/* ============================================
   ANKIT GUPTA PORTFOLIO — SEMICONDUCTOR DARK THEME
   From Silicon to Software: The Full-Stack Story
   ============================================ */

@import url('https://fonts.googleapis.com/css2?family=Syne:wght@400;600;700;800&family=Inter:wght@300;400;500;600&family=JetBrains+Mono:wght@400;500;600&display=swap');

/* --- Design Tokens --- */
:root {
  --bg: #0a0a0f;
  --bg-circuit: #0d0d14;
  --surface: #12121a;
  --surface-2: #1a1a25;
  --surface-glass: rgba(18, 18, 26, 0.75);
  --surface-glass-border: rgba(255, 255, 255, 0.06);

  --accent-silicon: #00ff88;
  --accent-silicon-dim: #00cc6a;
  --accent-silicon-glow: rgba(0, 255, 136, 0.12);
  --accent-dv: #00e5ff;
  --accent-dv-glow: rgba(0, 229, 255, 0.12);
  --accent-builder: #ff3366;
  --accent-builder-dim: #cc2952;
  --accent-builder-glow: rgba(255, 51, 102, 0.12);
  --accent-gold: #ffd700;
  --accent-gold-glow: rgba(255, 215, 0, 0.12);
  --accent-purple: #a855f7;

  --text: #e8e8ef;
  --text-muted: #8888a0;
  --text-faint: #55556a;
  --border: rgba(255, 255, 255, 0.06);
  --border-hover: rgba(0, 255, 136, 0.25);

  --shadow-sm: 0 1px 3px rgba(0,0,0,.3);
  --shadow: 0 4px 16px rgba(0,0,0,.4);
  --shadow-lg: 0 12px 40px rgba(0,0,0,.5);
  --shadow-glow-silicon: 0 0 30px rgba(0,255,136,.15), 0 0 60px rgba(0,255,136,.05);
  --shadow-glow-builder: 0 0 30px rgba(255,51,102,.15), 0 0 60px rgba(255,51,102,.05);

  --radius: 16px;
  --radius-sm: 10px;
  --radius-xs: 6px;
  --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

/* --- Reset --- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 16px; }
body {
  font-family: 'Inter', sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}
a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
ul { list-style: none; }

/* --- Scroll Progress Bar --- */
#progress-bar {
  position: fixed; top: 0; left: 0; height: 3px;
  background: linear-gradient(90deg, var(--accent-silicon), var(--accent-dv), var(--accent-builder));
  width: 0%; z-index: 9999; transition: width 0.1s linear;
  border-radius: 0 2px 2px 0;
  box-shadow: 0 0 10px var(--accent-silicon);
}

/* ============================================
   PROCESS PIPELINE TRACKER
   ============================================ */
#process-pipeline {
  position: fixed; top: 64px; left: 0; right: 0; z-index: 90;
  background: rgba(10, 10, 15, 0.85);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
  padding: 0 2%;
  opacity: 0; transform: translateY(-10px);
  transition: opacity 0.4s ease, transform 0.4s ease;
  pointer-events: none;
}
#process-pipeline.visible {
  opacity: 1; transform: translateY(0); pointer-events: all;
}
.pipeline-inner {
  max-width: 1100px; margin: 0 auto;
  display: flex; align-items: center; justify-content: center;
  gap: 0; padding: 8px 0; overflow-x: auto;
  scrollbar-width: none;
}
.pipeline-inner::-webkit-scrollbar { display: none; }
.pipeline-node {
  display: flex; align-items: center; gap: 4px;
  font-family: 'JetBrains Mono', monospace; font-size: 0.65rem;
  font-weight: 600; color: var(--text-faint);
  padding: 4px 8px; border-radius: 20px;
  transition: all var(--transition); white-space: nowrap;
  text-decoration: none; flex-shrink: 0;
  border: 1px solid transparent;
}
.pipeline-node.active {
  color: var(--accent-silicon);
  background: var(--accent-silicon-glow);
  border-color: rgba(0,255,136,0.2);
  text-shadow: 0 0 8px rgba(0,255,136,0.5);
}
.pipeline-node:hover { color: var(--text); }
.pipe-icon { font-size: 0.75rem; }
.pipeline-connector {
  width: 16px; height: 2px; flex-shrink: 0;
  background: var(--border);
  transition: background var(--transition);
}
.pipeline-connector.filled {
  background: var(--accent-silicon);
  box-shadow: 0 0 6px rgba(0,255,136,0.4);
}

/* ============================================
   NAVIGATION
   ============================================ */
#navbar {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  padding: 0 5%; display: flex; align-items: center;
  justify-content: space-between; height: 64px;
  background: rgba(10, 10, 15, 0);
  backdrop-filter: blur(0px);
  transition: background var(--transition), backdrop-filter var(--transition), box-shadow var(--transition);
}
#navbar.scrolled {
  background: rgba(10, 10, 15, 0.92);
  backdrop-filter: blur(16px);
  box-shadow: 0 1px 0 var(--border);
}
.nav-logo {
  font-family: 'Syne', sans-serif; font-weight: 800; font-size: 1.1rem;
  color: var(--text); letter-spacing: -0.02em;
}
.dot-accent { color: var(--accent-silicon); }
.nav-links { display: flex; gap: 28px; align-items: center; position: relative; }
.nav-links a {
  font-size: 0.85rem; font-weight: 500; color: var(--text-muted);
  transition: color var(--transition); position: relative;
}
.nav-links a:hover { color: var(--text); }
.nav-links a::after {
  content: ''; position: absolute; bottom: -2px; left: 0;
  width: 0; height: 2px; background: var(--accent-silicon);
  transition: width var(--transition); border-radius: 2px;
}
.nav-links a:hover::after { width: 100%; }
.nav-cta {
  padding: 8px 20px; background: var(--accent-silicon); color: var(--bg) !important;
  border-radius: 40px; font-size: 0.85rem !important; font-weight: 700 !important;
  transition: transform var(--transition), box-shadow var(--transition) !important;
}
.nav-cta:hover {
  transform: translateY(-1px);
  box-shadow: var(--shadow-glow-silicon) !important;
}
.nav-cta::after { display: none !important; }

/* ============================================
   SHARED SECTION STYLES
   ============================================ */
section {
  scroll-margin-top: 120px;
}
.section-stage-label {
  display: flex; align-items: center; gap: 8px;
  font-family: 'JetBrains Mono', monospace; font-size: 0.7rem;
  font-weight: 600; color: var(--accent-silicon); letter-spacing: 0.08em;
  text-transform: uppercase; margin-bottom: 20px; padding: 0 5%;
  max-width: 1100px; margin-left: auto; margin-right: auto;
}
.stage-icon { font-size: 0.9rem; }
.section-header { padding: 0 5%; max-width: 1100px; margin: 0 auto 32px; }
.section-label {
  display: inline-flex; align-items: center; gap: 8px;
  font-family: 'JetBrains Mono', monospace; font-size: 0.75rem;
  font-weight: 500; color: var(--accent-silicon); letter-spacing: 0.08em;
  text-transform: uppercase; margin-bottom: 12px;
}
.section-label::before {
  content: ''; display: block; width: 20px; height: 2px;
  background: var(--accent-silicon); border-radius: 2px;
}
.section-title {
  font-family: 'Syne', sans-serif; font-size: clamp(2rem, 4vw, 2.75rem);
  font-weight: 800; line-height: 1.15; letter-spacing: -0.03em;
  color: var(--text);
}
.section-title .highlight {
  position: relative; display: inline-block; color: var(--accent-silicon);
}
.section-title .highlight::after {
  content: ''; position: absolute; bottom: 2px; left: 0; right: 0;
  height: 8px; background: var(--accent-silicon); opacity: 0.15;
  border-radius: 4px; transform: skewX(-3deg);
}
.section-sub {
  font-size: 0.9rem; color: var(--text-faint); margin-top: 8px;
  font-family: 'JetBrains Mono', monospace;
}

/* --- Fade-in on scroll --- */
.fade-up {
  opacity: 0; transform: translateY(28px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}
.fade-up.visible { opacity: 1; transform: translateY(0); }

/* --- Scroll beats: progressive disclosure (revealed as you scroll) --- */
.rv {
  transition: opacity 0.55s ease, transform 0.55s ease;
  transition-delay: calc(var(--d, 0) * 90ms);
}
html.js .rv { opacity: 0; transform: translateY(18px); }
html.js .rv.in { opacity: 1; transform: translateY(0); }
@media (prefers-reduced-motion: reduce) {
  html.js .rv { opacity: 1 !important; transform: none !important; transition: none !important; }
}
@media (max-width: 640px) {
  html.js .rv { transform: translateY(10px); }
}

/* ============================================
   HERO
   ============================================ */
#hero {
  min-height: 100vh; display: flex; flex-direction: column;
  justify-content: center; align-items: center; text-align: center;
  padding: 120px 5% 60px; position: relative; overflow: hidden;
}
#circuit-canvas {
  position: absolute; inset: 0; z-index: 0;
}
.hero-content { position: relative; z-index: 1; max-width: 800px; width: 100%; }

/* Terminal */
.terminal-window {
  background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--radius); overflow: hidden;
  margin: 0 auto 40px; max-width: 600px; text-align: left;
  box-shadow: var(--shadow-lg), var(--shadow-glow-silicon);
  transition: opacity 0.6s ease, transform 0.6s ease;
  cursor: pointer; position: relative;
}
.terminal-window::after {
  content: 'click to skip ↓';
  position: absolute; bottom: 6px; right: 12px;
  font-family: 'JetBrains Mono', monospace; font-size: 0.6rem;
  color: var(--text-faint); opacity: 0.8;
}
.terminal-window.hidden {
  opacity: 0; transform: translateY(-20px) scale(0.95);
  pointer-events: none; position: absolute;
}
.terminal-header {
  display: flex; align-items: center; gap: 6px;
  padding: 10px 16px; background: var(--surface-2);
  border-bottom: 1px solid var(--border);
}
.t-dot { width: 10px; height: 10px; border-radius: 50%; }
.t-red { background: #ff5f57; }
.t-yellow { background: #ffbd2e; }
.t-green { background: #28c840; }
.t-title {
  margin-left: 8px; font-family: 'JetBrains Mono', monospace;
  font-size: 0.7rem; color: var(--text-faint);
}
.terminal-body {
  padding: 16px 20px; font-family: 'JetBrains Mono', monospace;
  font-size: 0.78rem; color: var(--accent-silicon);
  line-height: 1.8; min-height: 180px;
}
.terminal-body .t-line {
  opacity: 0; animation: t-line-in 0.3s ease forwards;
}
@keyframes t-line-in {
  from { opacity: 0; transform: translateX(-8px); }
  to { opacity: 1; transform: translateX(0); }
}
.terminal-body .t-cursor {
  display: inline-block; width: 8px; height: 14px;
  background: var(--accent-silicon); margin-left: 2px;
  animation: blink-cursor 0.8s step-end infinite;
  vertical-align: text-bottom;
}
@keyframes blink-cursor {
  0%, 100% { opacity: 1; }
  50% { opacity: 0; }
}
.terminal-body .t-highlight { color: var(--accent-dv); }
.terminal-body .t-builder { color: var(--accent-builder); }
.terminal-body .t-gold { color: var(--accent-gold); }
.terminal-body .t-dim { color: var(--text-faint); }

/* Hero Reveal */
.hero-reveal {
  opacity: 0; transform: translateY(20px);
  transition: opacity 0.8s ease 0.2s, transform 0.8s ease 0.2s;
}
.hero-reveal.revealed { opacity: 1; transform: translateY(0); }
.hero-badge {
  display: inline-flex; align-items: center; gap: 8px;
  background: var(--surface-glass); border: 1px solid var(--border);
  border-radius: 40px; padding: 6px 16px 6px 10px;
  font-size: 0.8rem; font-weight: 500; color: var(--text-muted);
  margin-bottom: 28px; backdrop-filter: blur(8px);
}
.status-dot {
  position: relative; width: 8px; height: 8px; border-radius: 50%;
  background: var(--accent-silicon);
}
.status-dot::after {
  content: ''; position: absolute; inset: 0; border-radius: 50%;
  box-shadow: 0 0 0 2px var(--accent-silicon);
  animation: radar-ping 1.8s cubic-bezier(0.16, 1, 0.3, 1) infinite;
}
@keyframes radar-ping {
  0% { transform: scale(1); opacity: 0.8; }
  100% { transform: scale(3.5); opacity: 0; }
}

/* Photo */
.hero-photo-wrap {
  margin: 0 auto 28px; width: 130px; height: 130px;
  position: relative;
}
.photo-circuit-ring {
  position: absolute; inset: -5px; width: 140px; height: 140px;
  animation: ring-spin 20s linear infinite;
}
@keyframes ring-spin { to { transform: rotate(360deg); } }
.ring-animate {
  stroke-dasharray: 8 4;
  animation: dash-flow 2s linear infinite;
}
@keyframes dash-flow { to { stroke-dashoffset: -24; } }
.hero-photo {
  width: 120px; height: 120px; border-radius: 50%;
  object-fit: cover; object-position: center top;
  border: 3px solid var(--surface);
  box-shadow: 0 0 0 2px var(--accent-silicon), var(--shadow-glow-silicon);
  position: relative; top: 5px; left: 5px;
}
.hero-name {
  font-family: 'Syne', sans-serif;
  font-size: clamp(2.5rem, 7vw, 5rem);
  font-weight: 800; letter-spacing: -0.04em;
  line-height: 1; color: var(--text); margin-bottom: 16px;
}
.hero-tagline {
  font-size: clamp(0.95rem, 2vw, 1.15rem);
  color: var(--text-muted); margin-bottom: 8px;
}
.hero-dual-track {
  display: flex; align-items: center; justify-content: center;
  gap: 12px; flex-wrap: wrap; margin-bottom: 36px; margin-top: 4px;
}
.track-pill {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 8px 18px; border-radius: 40px;
  font-size: 0.85rem; font-weight: 600; border: 1.5px solid;
}
.track-pill.dv {
  background: var(--accent-silicon-glow); border-color: rgba(0,255,136,0.25);
  color: var(--accent-silicon);
}
.track-pill.builder {
  background: var(--accent-builder-glow); border-color: rgba(255,51,102,0.25);
  color: var(--accent-builder);
}
.track-x { color: var(--text-faint); font-size: 1.1rem; }

/* Hero Contacts */
.hero-contacts {
  display: flex; align-items: center; justify-content: center;
  gap: 10px; flex-wrap: wrap; margin-bottom: 40px;
}
.hero-contact-link {
  display: inline-flex; align-items: center; gap: 7px;
  padding: 9px 16px; border-radius: 40px;
  border: 1px solid var(--border); background: var(--surface-glass);
  backdrop-filter: blur(8px);
  font-size: 0.8rem; font-weight: 500; color: var(--text-muted);
  transition: all var(--transition);
}
.hero-contact-link:hover {
  border-color: var(--accent-silicon); color: var(--accent-silicon);
  transform: translateY(-2px); box-shadow: var(--shadow-glow-silicon);
}
.hero-contact-link svg { width: 14px; height: 14px; flex-shrink: 0; }

/* Hero CTAs */
.hero-cta-group { display: flex; gap: 12px; justify-content: center; flex-wrap: wrap; }
.btn-primary {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 14px 28px; border-radius: 30px; font-weight: 700; font-size: 0.95rem;
  border: none; cursor: pointer;
  background: var(--accent-silicon); color: var(--bg);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}
.btn-primary:hover {
  transform: translateY(-3px) scale(1.03);
  box-shadow: var(--shadow-glow-silicon);
}
.btn-secondary {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 14px 28px; border-radius: 30px; font-weight: 600; font-size: 0.95rem;
  border: 1.5px solid var(--border); cursor: pointer;
  background: transparent; color: var(--text);
  transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s;
}
.btn-secondary:hover {
  border-color: var(--accent-silicon); transform: translateY(-3px);
  box-shadow: var(--shadow-glow-silicon);
}
.scroll-indicator {
  position: absolute; bottom: 28px; left: 50%; transform: translateX(-50%);
  display: flex; flex-direction: column; align-items: center; gap: 6px;
  color: var(--text-faint); font-size: 0.72rem; font-weight: 500;
  font-family: 'JetBrains Mono', monospace;
  animation: bounce-gentle 2s ease-in-out infinite;
}
.scroll-indicator svg { width: 18px; height: 18px; }
@keyframes bounce-gentle {
  0%, 100% { transform: translateX(-50%) translateY(0); }
  50% { transform: translateX(-50%) translateY(6px); }
}

/* ============================================
   ABOUT: DESIGN PHASE
   ============================================ */
#about {
  padding: 96px 0; position: relative;
}
.about-inner {
  max-width: 1100px; margin: 0 auto; padding: 0 5%;
}
.about-grid {
  display: grid; grid-template-columns: 1fr 1fr;
  gap: 48px; align-items: start; margin-top: 32px;
}
/* --- Interactive Horizontal Storyboard --- */
.about-storyboard {
  display: flex;
  flex-direction: column;
  gap: 16px;
  position: relative;
  width: 100%;
  min-width: 0;
}

/* Stepper Bar */
.sb-stepper {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 6px;
  background: var(--surface-glass);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 8px 12px;
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
}
.sb-step {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: transparent;
  border: 1px solid transparent;
  border-radius: 10px;
  padding: 6px 12px;
  cursor: pointer;
  transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
  text-align: left;
}
.sb-step:hover {
  background: rgba(0, 255, 136, 0.06);
  border-color: rgba(0, 255, 136, 0.25);
}
.sb-step.active {
  background: rgba(0, 255, 136, 0.12);
  border-color: var(--accent-silicon);
  box-shadow: 0 0 14px rgba(0, 255, 136, 0.22);
}
.sb-step[data-story-idx="1"].active {
  background: rgba(0, 212, 255, 0.12);
  border-color: var(--accent-dv);
  box-shadow: 0 0 14px rgba(0, 212, 255, 0.22);
}
.sb-step[data-story-idx="2"].active {
  background: rgba(255, 107, 53, 0.12);
  border-color: var(--accent-builder);
  box-shadow: 0 0 14px rgba(255, 107, 53, 0.22);
}
.sb-step-num {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.7rem;
  font-weight: 700;
  color: var(--accent-silicon);
  background: rgba(0, 255, 136, 0.15);
  border-radius: 6px;
  padding: 2px 6px;
}
.sb-step[data-story-idx="1"] .sb-step-num {
  color: var(--accent-dv);
  background: rgba(0, 212, 255, 0.15);
}
.sb-step[data-story-idx="2"] .sb-step-num {
  color: var(--accent-builder);
  background: rgba(255, 107, 53, 0.15);
}
.sb-step-meta {
  display: flex;
  flex-direction: column;
  line-height: 1.15;
}
.sb-step-name {
  font-size: 0.78rem;
  font-weight: 700;
  color: var(--text);
  letter-spacing: 0.05em;
}
.sb-step-org {
  font-size: 0.62rem;
  color: var(--text-faint);
  font-family: 'JetBrains Mono', monospace;
}
.sb-step-divider {
  color: var(--text-faint);
  font-size: 0.78rem;
  opacity: 0.5;
  user-select: none;
}

/* Track & Viewport */
.sb-track-wrapper {
  position: relative;
  width: 100%;
  min-width: 0;
  border-radius: 16px;
}
.sb-track {
  display: flex;
  width: 100%;
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  scroll-behavior: smooth;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: none;
  gap: 16px;
  padding: 2px 0;
}
.sb-track::-webkit-scrollbar {
  display: none;
}
.sb-card {
  flex: 0 0 100%;
  min-width: 100%;
  box-sizing: border-box;
  scroll-snap-align: start;
  scroll-snap-stop: always;
  background: var(--surface-glass);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 24px;
  display: flex;
  flex-direction: column;
  gap: 14px;
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  transition: border-color 0.35s ease, box-shadow 0.35s ease, transform 0.35s ease;
}
.sb-card.active, .sb-card:hover {
  border-color: rgba(0, 255, 136, 0.4);
  box-shadow: 0 10px 30px rgba(0, 255, 136, 0.08);
}
.sb-card[data-card-idx="1"].active, .sb-card[data-card-idx="1"]:hover {
  border-color: rgba(0, 212, 255, 0.4);
  box-shadow: 0 10px 30px rgba(0, 212, 255, 0.08);
}
.sb-card[data-card-idx="2"].active, .sb-card[data-card-idx="2"]:hover {
  border-color: rgba(255, 107, 53, 0.4);
  box-shadow: 0 10px 30px rgba(255, 107, 53, 0.08);
}
.sb-card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  flex-wrap: wrap;
}
.sb-status-pill {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 10px;
  border-radius: 20px;
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  background: rgba(0, 255, 136, 0.12);
  color: var(--accent-silicon);
  border: 1px solid rgba(0, 255, 136, 0.3);
}
.sb-status-pill.dv {
  background: rgba(0, 212, 255, 0.12);
  color: var(--accent-dv);
  border-color: rgba(0, 212, 255, 0.3);
}
.sb-status-pill.ship {
  background: rgba(255, 107, 53, 0.12);
  color: var(--accent-builder);
  border-color: rgba(255, 107, 53, 0.3);
}
.sb-pulse-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--accent-silicon);
  box-shadow: 0 0 8px var(--accent-silicon);
  animation: pulse-green 1.8s infinite;
}
.sb-pulse-dot.dv {
  background: var(--accent-dv);
  box-shadow: 0 0 8px var(--accent-dv);
}
.sb-pulse-dot.ship {
  background: var(--accent-builder);
  box-shadow: 0 0 8px var(--accent-builder);
}
.sb-card-code {
  font-size: 0.66rem;
  color: var(--text-faint);
}
.sb-card-title {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--text);
  margin: 0;
  line-height: 1.3;
}
.sb-card-content {
  font-size: 0.92rem;
  color: var(--text-muted);
  line-height: 1.65;
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.sb-card-content p { margin: 0; }
.sb-card-content strong {
  color: var(--text);
  font-weight: 600;
}
.sb-card-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 4px;
}
.sb-chip {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.68rem;
  padding: 3px 10px;
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--border);
  color: var(--text-muted);
  transition: all 0.2s ease;
}
.sb-chip:hover {
  color: var(--accent-silicon);
  border-color: var(--accent-silicon);
  transform: translateY(-1px);
}
.sb-chip.dv:hover {
  color: var(--accent-dv);
  border-color: var(--accent-dv);
}
.sb-chip.ship:hover {
  color: var(--accent-builder);
  border-color: var(--accent-builder);
}
.sb-card-footer {
  margin-top: auto;
  padding-top: 8px;
}
.sb-jump-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--accent-silicon);
  text-decoration: none;
  padding: 8px 16px;
  border-radius: 10px;
  background: rgba(0, 255, 136, 0.08);
  border: 1px solid rgba(0, 255, 136, 0.25);
  transition: all 0.25s ease;
}
.sb-jump-link:hover {
  background: rgba(0, 255, 136, 0.18);
  border-color: var(--accent-silicon);
  transform: translateX(4px);
  box-shadow: 0 0 14px rgba(0, 255, 136, 0.25);
}
.sb-jump-link.dv {
  color: var(--accent-dv);
  background: rgba(0, 212, 255, 0.08);
  border-color: rgba(0, 212, 255, 0.25);
}
.sb-jump-link.dv:hover {
  background: rgba(0, 212, 255, 0.18);
  border-color: var(--accent-dv);
  box-shadow: 0 0 14px rgba(0, 212, 255, 0.25);
}
.sb-jump-link.ship {
  color: var(--accent-builder);
  background: rgba(255, 107, 53, 0.08);
  border-color: rgba(255, 107, 53, 0.25);
}
.sb-jump-link.ship:hover {
  background: rgba(255, 107, 53, 0.18);
  border-color: var(--accent-builder);
  box-shadow: 0 0 14px rgba(255, 107, 53, 0.25);
}

/* Storyboard HUD */
.sb-hud {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 10px 14px;
  background: var(--surface-glass);
  border: 1px solid var(--border);
  border-radius: 12px;
}
.sb-hud-counter {
  font-size: 0.72rem;
  font-weight: 700;
  color: var(--text-faint);
  letter-spacing: 0.06em;
}
.sb-hud-phase {
  color: var(--accent-silicon);
  transition: color 0.3s ease;
}
.sb-hud-dots {
  display: flex;
  align-items: center;
  gap: 8px;
}
.sb-hud-dot {
  width: 10px;
  height: 10px;
  border-radius: 5px;
  background: var(--border);
  border: none;
  cursor: pointer;
  padding: 0;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}
.sb-hud-dot.active {
  width: 26px;
  background: var(--accent-silicon);
  box-shadow: 0 0 10px var(--accent-silicon);
}
.sb-hud-dot[data-story-idx="1"].active {
  background: var(--accent-dv);
  box-shadow: 0 0 10px var(--accent-dv);
}
.sb-hud-dot[data-story-idx="2"].active {
  background: var(--accent-builder);
  box-shadow: 0 0 10px var(--accent-builder);
}
.sb-hud-nav {
  display: flex;
  gap: 6px;
}
.sb-hud-btn {
  width: 34px;
  height: 34px;
  border-radius: 8px;
  border: 1px solid var(--border);
  background: transparent;
  color: var(--text);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all 0.2s ease;
}
.sb-hud-btn:hover:not(:disabled) {
  border-color: var(--accent-silicon);
  color: var(--accent-silicon);
  background: rgba(0, 255, 136, 0.1);
  transform: scale(1.05);
}
.sb-hud-btn:disabled {
  opacity: 0.3;
  cursor: not-allowed;
}

@media (max-width: 640px) {
  .sb-step-org { display: none; }
  .sb-step { padding: 6px 8px; }
  .sb-card { padding: 18px 14px; }
  .sb-card-title { font-size: 1.05rem; }
  .sb-jump-link { width: 100%; justify-content: center; }
}

/* --- Flip Cards (Stats) --- */
.stats-flip-grid {
  display: grid; grid-template-columns: 1fr 1fr; gap: 16px;
}
.flip-card {
  perspective: 800px; cursor: pointer; height: 140px;
}
.flip-card-inner {
  position: relative; width: 100%; height: 100%;
  transition: transform 0.6s cubic-bezier(0.4, 0, 0.2, 1);
  transform-style: preserve-3d;
}
.flip-card:hover .flip-card-inner,
.flip-card:focus .flip-card-inner,
.flip-card.flipped .flip-card-inner {
  transform: rotateY(180deg);
}
.flip-front, .flip-back {
  position: absolute; inset: 0; border-radius: var(--radius-sm);
  backface-visibility: hidden; -webkit-backface-visibility: hidden;
  display: flex; flex-direction: column; align-items: center;
  justify-content: center; padding: 20px;
  border: 1px solid var(--border);
  background: var(--surface);
}
.flip-front {
  background: var(--surface);
}
.flip-front:hover {
  border-color: var(--border-hover);
  box-shadow: var(--shadow-glow-silicon);
}
.flip-back {
  transform: rotateY(180deg);
  background: linear-gradient(135deg, var(--surface), var(--surface-2));
  border-color: rgba(0,255,136,0.15);
}
.stat-number {
  font-family: 'Syne', sans-serif; font-size: 2.2rem;
  font-weight: 800; letter-spacing: -0.04em; line-height: 1;
  color: var(--text); margin-bottom: 6px;
}
.stat-number .plus { color: var(--accent-silicon); }
.stat-label {
  font-size: 0.78rem; font-weight: 500; color: var(--text-muted);
  font-family: 'JetBrains Mono', monospace;
}
.flip-detail {
  font-size: 0.78rem; color: var(--text-muted); line-height: 1.6;
  text-align: center;
}

/* ============================================
   EXPERIENCE: HORIZONTAL SCROLL
   ============================================ */
#experience {
  padding: 96px 0 64px; position: relative;
  overflow: hidden;
}
#experience .section-stage-label, #experience .exp-header { max-width: 1100px; margin-left: auto; margin-right: auto; padding-left: 5%; padding-right: 5%; }
.exp-header { margin-bottom: 8px; }
/* --- Vertical timeline redesign --- */
.exp-timeline { display: flex; gap: 18px; max-width: 1100px; margin: 18px auto 0; padding: 0 5%; align-items: stretch; }
.exp-rail { display: flex; flex-direction: column; align-items: center; padding-top: 8px; flex-shrink: 0; }
.exp-rail-line { width: 2px; flex: 1; min-height: 200px; background: linear-gradient(180deg, var(--accent-silicon), rgba(0,255,136,.12)); border-radius: 2px; position: relative; }
.exp-rail-line::after {
  content: ''; position: absolute; inset: 0; border-radius: 2px;
  background: linear-gradient(180deg, var(--accent-silicon), rgba(0,255,136,.45));
  transform-origin: top center;
  transform: scaleY(var(--rail-fill, 0));
  box-shadow: 0 0 10px rgba(0,255,136,.45);
}
.exp-rail-dot { width: 12px; height: 12px; border-radius: 50%; background: var(--bg); border: 2px solid var(--accent-silicon); box-shadow: 0 0 12px rgba(0,255,136,.6); }
.exp-timeline-cards { display: flex; flex-direction: column; gap: 18px; flex: 1; min-width: 0; }
.exp-card { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 28px; position: relative; overflow: hidden; transition: border-color var(--transition), box-shadow var(--transition), transform var(--transition); }
.exp-card:hover { border-color: var(--border-hover); box-shadow: var(--shadow-glow-silicon); transform: translateY(-2px); }
.exp-card-top { display: flex; align-items: center; justify-content: space-between; gap: 12px; flex-wrap: wrap; margin-bottom: 12px; }
.exp-card-top .exp-card-date { margin-bottom: 0; }
.exp-card-top .exp-card-badge { margin-bottom: 0; }
.exp-card-impact-card { background: linear-gradient(135deg, var(--surface), rgba(0,255,136,0.05)); border-color: rgba(0,255,136,0.15); }
.exp-saas-note { margin-top: 16px; font-size: .68rem; color: var(--text-faint); }
.exp-saas-note a { color: var(--accent-builder); }
@media (max-width: 640px) {
  .exp-timeline { gap: 12px; }
  .exp-card { padding: 20px; }
  .impact-grid { grid-template-columns: 1fr 1fr; gap: 14px; }
}
.horizontal-scroll-wrapper {
  position: relative; padding-bottom: 40px;
}
.h-scroll-track {
  display: flex; gap: 20px; padding: 8px max(5%, calc((100% - 1100px) / 2)) 20px;
  overflow-x: auto; scroll-snap-type: x mandatory;
  scroll-behavior: smooth; -webkit-overflow-scrolling: touch;
  scrollbar-width: none;
}
.h-scroll-track::-webkit-scrollbar { display: none; }
.h-card {
  flex: 0 0 auto; width: min(420px, calc(100vw - 48px)); max-width: 100%; box-sizing: border-box; scroll-snap-align: start;
  background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 32px;
  position: relative; overflow: hidden;
  transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
}
.h-card:hover {
  transform: translateY(-4px);
  border-color: var(--border-hover);
  box-shadow: var(--shadow-glow-silicon);
}

/* Scanline overlay on main exp card */
.exp-card-main::before {
  content: ''; position: absolute; inset: 0;
  background: repeating-linear-gradient(
    0deg, transparent, transparent 2px,
    rgba(0,255,136,0.02) 2px, rgba(0,255,136,0.02) 4px
  );
  pointer-events: none; z-index: 1;
  animation: scanline-scroll 8s linear infinite;
}
@keyframes scanline-scroll {
  0% { transform: translateY(0); }
  100% { transform: translateY(100px); }
}
.h-card-glow {
  position: absolute; top: -50%; right: -30%;
  width: 200px; height: 200px; border-radius: 50%;
  background: radial-gradient(circle, var(--accent-silicon-glow), transparent 70%);
  pointer-events: none;
}
.exp-card-main, .exp-card-impact { min-width: 0; overflow-wrap: break-word; word-break: break-word; }
.exp-card-main > *, .exp-card-impact > * { position: relative; z-index: 2; }
.exp-card-points li { min-width: 0; }
.exp-card-badge {
  display: inline-block; font-family: 'JetBrains Mono', monospace;
  font-size: 0.7rem; font-weight: 600; text-transform: uppercase;
  letter-spacing: 0.06em; color: var(--accent-silicon);
  background: var(--accent-silicon-glow); border: 1px solid rgba(0,255,136,0.2);
  padding: 4px 12px; border-radius: 20px; margin-bottom: 16px;
  position: relative; z-index: 2;
}
.badge-builder {
  color: var(--accent-builder);
  background: var(--accent-builder-glow);
  border-color: rgba(255,51,102,0.2);
}
.exp-card-title {
  font-family: 'Syne', sans-serif; font-size: 1.2rem;
  font-weight: 800; margin-bottom: 4px; position: relative; z-index: 2;
}
.exp-card-company {
  font-size: 0.85rem; color: var(--text-muted);
  margin-bottom: 4px; position: relative; z-index: 2;
}
.exp-card-date {
  font-family: 'JetBrains Mono', monospace; font-size: 0.72rem;
  color: var(--text-faint); margin-bottom: 16px; position: relative; z-index: 2;
}
.exp-card-divider {
  height: 1px; background: var(--border); margin-bottom: 16px;
  position: relative; z-index: 2;
}
.exp-card-points {
  display: flex; flex-direction: column; gap: 10px;
  position: relative; z-index: 2;
}
.exp-card-points li {
  display: block; font-size: 0.85rem;
  color: var(--text-muted); line-height: 1.6;
  padding-left: 22px; position: relative;
}
.exp-card-points li::before {
  content: '→'; color: var(--accent-silicon);
  position: absolute; left: 0; top: 0;
}
.exp-card-points li strong { color: var(--text); }
.exp-awards {
  display: flex; flex-wrap: wrap; gap: 8px; margin-top: 20px;
  position: relative; z-index: 2;
}
.award-chip {
  display: inline-flex; align-items: center; gap: 4px;
  background: var(--accent-gold-glow); border: 1px solid rgba(255,215,0,0.2);
  border-radius: 6px; padding: 4px 10px;
  font-size: 0.72rem; font-weight: 600; color: var(--accent-gold);
}
.exp-card-side { border-left: 3px solid var(--accent-builder); }

/* Impact card */
.exp-card-impact {
  background: linear-gradient(135deg, var(--surface), rgba(0,255,136,0.05));
  border-color: rgba(0,255,136,0.15);
}
.impact-title {
  font-family: 'Syne', sans-serif; font-size: 1.1rem;
  font-weight: 800; margin-bottom: 24px; color: var(--accent-silicon);
}
.impact-grid {
  display: grid; grid-template-columns: 1fr 1fr; gap: 20px;
}
.impact-item { text-align: center; }
.impact-num {
  font-family: 'Syne', sans-serif; font-size: 1.8rem;
  font-weight: 800; color: var(--text); display: block;
}
.impact-label {
  font-size: 0.72rem; color: var(--text-muted);
  font-family: 'JetBrains Mono', monospace;
}

/* Scroll nav */
.h-scroll-indicators {
  display: flex; align-items: center; justify-content: center;
  gap: 12px; margin-top: 16px;
}
.h-scroll-btn {
  width: 36px; height: 36px; border-radius: 50%;
  border: 1px solid var(--border); background: var(--surface);
  color: var(--text-muted); font-size: 1.2rem;
  cursor: pointer; display: flex; align-items: center;
  justify-content: center; transition: all var(--transition);
}
.h-scroll-btn:hover {
  border-color: var(--accent-silicon); color: var(--accent-silicon);
  box-shadow: var(--shadow-glow-silicon);
}
.h-scroll-dots { display: flex; gap: 6px; }
.h-scroll-dots .dot {
  width: 8px; height: 8px; border-radius: 50%;
  background: var(--text-faint); transition: all var(--transition);
}
.h-scroll-dots .dot.active {
  background: var(--accent-silicon);
  box-shadow: 0 0 8px rgba(0,255,136,0.5);
  width: 20px; border-radius: 4px;
}

/* ============================================
   SKILLS: 360° ORBIT + LAYERED STACK
   ============================================ */
#skills {
  padding: 96px 0; background: var(--surface);
}
.skills-dual-layout {
  display: flex; gap: 32px; align-items: stretch;
  max-width: 1200px; margin: 0 auto; padding: 0 5%;
}

/* 360 Orbit */
.skills-track-360 {
  flex: 1; background: var(--bg); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 32px; overflow: hidden;
}
.orbit-header {
  display: flex; align-items: center; gap: 12px; margin-bottom: 24px;
}
.orbit-icon {
  width: 44px; height: 44px; border-radius: 12px;
  display: flex; align-items: center; justify-content: center;
  font-size: 1.3rem;
}
.dv-glow {
  background: var(--accent-silicon-glow);
  box-shadow: 0 0 12px rgba(0,255,136,0.2);
}
.builder-glow {
  background: var(--accent-builder-glow);
  box-shadow: 0 0 12px rgba(255,51,102,0.2);
}
.orbit-title {
  font-family: 'Syne', sans-serif; font-size: 1.1rem; font-weight: 700;
  color: var(--text);
}
.orbit-sub { font-size: 0.78rem; color: var(--text-muted); }

.orbit-container {
  position: relative;
  width: 100%;
  aspect-ratio: 1;
  max-width: 440px;
  margin: 0 auto;
}

.orbit-center {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 72px;
  height: 72px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(0, 255, 136, 0.16) 0%, rgba(10, 22, 40, 0.95) 75%);
  border: 2px solid var(--accent-silicon);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  font-family: 'Syne', sans-serif;
  font-weight: 800;
  font-size: 1.05rem;
  color: var(--accent-silicon);
  box-shadow: 0 0 24px rgba(0, 255, 136, 0.35);
  z-index: 10;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}
.orbit-center:hover {
  transform: translate(-50%, -50%) scale(1.06);
  box-shadow: 0 0 32px rgba(0, 255, 136, 0.55);
}
.orbit-center small {
  font-size: 0.55rem;
  font-weight: 600;
  color: var(--text-muted);
  font-family: 'JetBrains Mono', monospace;
  text-transform: uppercase;
}

/* Concentric rings */
.orbit-ring {
  position: absolute;
  top: 50%;
  left: 50%;
  border-radius: 50%;
  border: 1px dashed rgba(0, 255, 136, 0.2);
  transform: translate(-50%, -50%);
  transition: border-color 0.3s ease;
  pointer-events: none;
}

.ring-1 {
  width: 50%;
  height: 50%;
  border-color: rgba(0, 255, 136, 0.28);
  animation: orbit-spin-cw 32s linear infinite;
  z-index: 5;
}
.ring-2 {
  width: 75%;
  height: 75%;
  border-color: rgba(0, 229, 255, 0.25);
  animation: orbit-spin-ccw 42s linear infinite;
  z-index: 4;
}
.ring-3 {
  width: 100%;
  height: 100%;
  border-color: rgba(168, 85, 247, 0.22);
  animation: orbit-spin-cw 54s linear infinite;
  z-index: 3;
}

/* Pause on hover or focus */
.orbit-container:hover .orbit-ring,
.orbit-container:hover .orbit-chip,
.orbit-container:focus-within .orbit-ring,
.orbit-container:focus-within .orbit-chip {
  animation-play-state: paused !important;
}

/* Orbit Chips */
.orbit-chip {
  position: absolute;
  pointer-events: auto;
  padding: 4px 10px;
  border-radius: 20px;
  font-size: 0.68rem;
  font-weight: 600;
  font-family: 'JetBrains Mono', monospace;
  white-space: nowrap;
  cursor: pointer;
  z-index: 5;
  border: 1px solid rgba(0, 255, 136, 0.22);
  background: rgba(14, 14, 22, 0.94);
  color: var(--accent-silicon);
  backdrop-filter: blur(6px);
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.5);
  /* Mathematical placement around ring */
  --angle: calc(var(--i) * (360deg / var(--total)) - 90deg);
  left: calc(50% + 50% * cos(var(--angle)));
  top: calc(50% + 50% * sin(var(--angle)));
  transform: translate(-50%, -50%);
  transition: background 0.25s ease, color 0.25s ease, border-color 0.25s ease, box-shadow 0.25s ease;
}

/* Counter-rotations to keep chips perfectly upright and readable */
.ring-1 .orbit-chip {
  animation: orbit-spin-ccw 32s linear infinite;
}
.ring-2 .orbit-chip {
  border-color: rgba(0, 229, 255, 0.25);
  color: var(--accent-dv);
  animation: orbit-spin-cw 42s linear infinite;
}
.ring-3 .orbit-chip {
  border-color: rgba(168, 85, 247, 0.25);
  color: #c084fc;
  animation: orbit-spin-ccw 54s linear infinite;
}

/* Standard coordinate fallbacks for older engines */
.ring-1 .orbit-chip:nth-child(1) { top: 0%; left: 50%; }
.ring-1 .orbit-chip:nth-child(2) { top: 75%; left: 93.3%; }
.ring-1 .orbit-chip:nth-child(3) { top: 75%; left: 6.7%; }

.ring-2 .orbit-chip:nth-child(1) { top: 0%; left: 50%; }
.ring-2 .orbit-chip:nth-child(2) { top: 34.5%; left: 97.6%; }
.ring-2 .orbit-chip:nth-child(3) { top: 90.5%; left: 79.4%; }
.ring-2 .orbit-chip:nth-child(4) { top: 90.5%; left: 20.6%; }
.ring-2 .orbit-chip:nth-child(5) { top: 34.5%; left: 2.4%; }

.ring-3 .orbit-chip:nth-child(1) { top: 0%; left: 50%; }
.ring-3 .orbit-chip:nth-child(2) { top: 14.6%; left: 85.4%; }
.ring-3 .orbit-chip:nth-child(3) { top: 50%; left: 100%; }
.ring-3 .orbit-chip:nth-child(4) { top: 85.4%; left: 85.4%; }
.ring-3 .orbit-chip:nth-child(5) { top: 100%; left: 50%; }
.ring-3 .orbit-chip:nth-child(6) { top: 85.4%; left: 14.6%; }
.ring-3 .orbit-chip:nth-child(7) { top: 50%; left: 0%; }
.ring-3 .orbit-chip:nth-child(8) { top: 14.6%; left: 14.6%; }

/* Hover states */
.orbit-chip:hover,
.orbit-chip:focus-visible {
  background: var(--accent-silicon);
  color: #04120a;
  border-color: var(--accent-silicon);
  box-shadow: 0 0 20px rgba(0, 255, 136, 0.7);
  z-index: 40;
}
.ring-2 .orbit-chip:hover,
.ring-2 .orbit-chip:focus-visible {
  background: var(--accent-dv);
  color: #031520;
  border-color: var(--accent-dv);
  box-shadow: 0 0 20px rgba(0, 229, 255, 0.7);
}
.ring-3 .orbit-chip:hover,
.ring-3 .orbit-chip:focus-visible {
  background: var(--accent-purple);
  color: #ffffff;
  border-color: var(--accent-purple);
  box-shadow: 0 0 20px rgba(168, 85, 247, 0.7);
}

/* Tooltip for orbit chips */
.orbit-chip[data-tip]:hover::after,
.orbit-chip[data-tip]:focus-visible::after {
  content: attr(data-tip);
  position: absolute; bottom: calc(100% + 8px); left: 50%;
  transform: translateX(-50%);
  background: #080811; border: 1px solid var(--border);
  border-radius: 6px; padding: 6px 10px;
  font-size: 0.65rem; color: #fff;
  white-space: nowrap; pointer-events: none;
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.6);
  z-index: 50;
}

@keyframes orbit-spin-cw {
  from { transform: translate(-50%, -50%) rotate(0deg); }
  to { transform: translate(-50%, -50%) rotate(360deg); }
}
@keyframes orbit-spin-ccw {
  from { transform: translate(-50%, -50%) rotate(0deg); }
  to { transform: translate(-50%, -50%) rotate(-360deg); }
}

/* Skills connector */
.skills-connector {
  display: flex; flex-direction: column; align-items: center;
  justify-content: center; gap: 8px; padding: 0 8px;
}
.connector-line {
  width: 2px; height: 60px;
  background: linear-gradient(180deg, var(--accent-silicon), var(--accent-builder));
  border-radius: 2px;
}
.connector-label {
  font-family: 'JetBrains Mono', monospace; font-size: 0.6rem;
  color: var(--text-faint); writing-mode: vertical-rl;
  letter-spacing: 0.1em; text-transform: uppercase;
}

/* Layered Stack */
.skills-track-layers {
  flex: 1; background: var(--bg); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 32px; overflow: hidden;
}
.layer-stack {
  display: flex; flex-direction: column; gap: 8px; margin-top: 8px;
}
.stack-layer {
  border: 1px solid var(--border); border-radius: var(--radius-sm);
  padding: 16px 20px; transition: all var(--transition);
  position: relative; overflow: hidden;
}
.stack-layer::before {
  content: ''; position: absolute; left: 0; top: 0; bottom: 0;
  width: 3px; border-radius: 0 2px 2px 0;
}
.layer-5::before { background: var(--accent-builder); }
.layer-4::before { background: #f472b6; }
.layer-3::before { background: var(--accent-purple); }
.layer-2::before { background: #818cf8; }
.layer-1::before { background: var(--accent-dv); }

.stack-layer:hover {
  border-color: rgba(255,51,102,0.2);
  background: var(--surface);
  transform: translateX(4px);
  box-shadow: var(--shadow-glow-builder);
}
.layer-label {
  font-family: 'JetBrains Mono', monospace; font-size: 0.65rem;
  font-weight: 700; text-transform: uppercase; letter-spacing: 0.08em;
  color: var(--text-faint); margin-bottom: 10px;
}
.layer-chips { display: flex; flex-wrap: wrap; gap: 6px; }
.layer-chip {
  padding: 4px 12px; border-radius: var(--radius-xs);
  font-size: 0.75rem; font-weight: 600;
  font-family: 'JetBrains Mono', monospace;
  background: var(--accent-builder-glow); color: var(--accent-builder);
  border: 1px solid rgba(255,51,102,0.15);
  transition: all var(--transition);
}
.layer-chip:hover {
  background: var(--accent-builder); color: #fff;
  border-color: var(--accent-builder);
}

/* ============================================
   DV PROJECTS: HORIZONTAL SCROLL
   ============================================ */
#dv-projects {
  padding: 96px 0 64px; position: relative;
}
.project-badge {
  display: inline-block; font-family: 'JetBrains Mono', monospace;
  font-size: 0.72rem; font-weight: 700; text-transform: uppercase;
  letter-spacing: 0.05em; margin-bottom: 16px;
  padding: 4px 14px; border-radius: 20px;
}
.project-card-featured {
  min-height: 320px;
}
.dv-theme {
  background: linear-gradient(135deg, var(--surface), rgba(0,229,255,0.05));
  border-color: rgba(0,229,255,0.15);
}
.dv-theme .project-badge {
  color: var(--accent-dv); background: var(--accent-dv-glow);
  border: 1px solid rgba(0,229,255,0.2);
}
.dv-theme:hover {
  box-shadow: 0 0 40px rgba(0,229,255,0.1);
  border-color: rgba(0,229,255,0.3);
}
.silicon-theme {
  background: linear-gradient(135deg, var(--surface), rgba(0,255,136,0.05));
  border-color: rgba(0,255,136,0.15);
}
.silicon-theme .project-badge {
  color: var(--accent-silicon); background: var(--accent-silicon-glow);
  border: 1px solid rgba(0,255,136,0.2);
}
.silicon-theme:hover {
  box-shadow: var(--shadow-glow-silicon);
  border-color: rgba(0,255,136,0.3);
}
.project-card-title {
  font-family: 'Syne', sans-serif; font-size: 1.6rem;
  font-weight: 800; letter-spacing: -0.02em; margin-bottom: 12px;
}
.project-card-desc {
  font-size: 0.88rem; color: var(--text-muted); line-height: 1.7;
  margin-bottom: 20px; max-width: 500px;
}
.project-card-desc strong { color: var(--text); }
.project-card-tags {
  display: flex; flex-wrap: wrap; gap: 6px; margin-bottom: 24px;
}
.project-card-tags span {
  padding: 4px 12px; border-radius: 20px; font-size: 0.72rem;
  font-weight: 600; font-family: 'JetBrains Mono', monospace;
  background: rgba(255,255,255,0.05); color: var(--text-muted);
  border: 1px solid var(--border);
}
.project-card-actions { display: flex; gap: 12px; }
.btn-glow {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 12px 24px; border-radius: 40px;
  font-size: 0.85rem; font-weight: 700;
  background: var(--accent-silicon); color: var(--bg);
  transition: all var(--transition); border: none; cursor: pointer;
}
.btn-glow:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-glow-silicon);
}
.btn-glow.builder-btn {
  background: var(--accent-builder);
}
.btn-glow.builder-btn:hover {
  box-shadow: var(--shadow-glow-builder);
}

/* ============ JOURNEY SWITCHER + MODES ============ */
#journey-switcher { position: fixed; bottom: 14px; left: 50%; transform: translateX(-50%); z-index: 200; }
.journey-inner { display: flex; gap: 4px; background: rgba(10,10,15,.9); border: 1px solid var(--border); border-radius: 40px; padding: 4px; backdrop-filter: blur(12px); box-shadow: var(--shadow-lg); }
.journey-btn { border: 0; background: transparent; color: var(--text-muted); font-family: 'JetBrains Mono', monospace; font-size: .7rem; font-weight: 600; padding: 8px 14px; border-radius: 30px; cursor: pointer; transition: all .25s; white-space: nowrap; }
.journey-btn.active { background: var(--accent-silicon); color: #04120a; box-shadow: 0 0 18px rgba(0,255,136,.35); }
body[data-journey="dv"] [data-journey-hide="dv"], body[data-journey="dv"] [data-full-only], body[data-journey="dv"] [data-indie-only][style] { display: none !important; }
body[data-journey="dv"] [data-dv-only] { display: revert !important; }
body[data-journey="dv"] [data-indie-only] { display: none !important; }
body[data-journey="indie"] [data-journey-hide="indie"], body[data-journey="indie"] [data-full-only], body[data-journey="indie"] [data-dv-only] { display: none !important; }
body[data-journey="indie"] [data-indie-only] { display: revert !important; }
body[data-journey="full"] [data-indie-only] { display: none !important; }
body[data-journey="full"] [data-full-only] { display: revert !important; }
p[data-dv-only], div[data-dv-only], h2[data-dv-only] { display: revert; }
.exp-timeline[data-dv-only] { display: flex !important; }
body[data-journey="dv"] .exp-timeline[data-dv-only],
body[data-journey="full"] .exp-timeline[data-dv-only] { display: flex !important; }
body[data-journey="indie"] .exp-timeline[data-dv-only] { display: none !important; }
.exp-lab-link { display: inline-block; margin-top: 14px; font-family: 'JetBrains Mono', monospace; font-size: .75rem; color: var(--accent-dv); }
.indie-backstory { max-width: 700px; margin: 0 auto 24px; background: var(--surface); border: 1px dashed rgba(255,51,102,.4); border-radius: var(--radius-sm); padding: 16px 20px; text-align: center; }
.indie-backstory .mono { color: var(--accent-builder); font-size: .7rem; letter-spacing: .1em; }
.indie-backstory p { color: var(--text-muted); font-size: .85rem; margin-top: 6px; }
.indie-backstory a { color: var(--accent-builder); font-weight: 600; }

/* ============================================
   CDC PORTAL: SILICON → SOFTWARE
   ============================================ */
#bridge { padding: 0; position: relative; }
#portal-scene {
  position: relative;
  min-height: 450vh;
  background: linear-gradient(180deg, #090e0c 0%, #0c1214 25%, #13101d 55%, #190b14 85%, #0e0712 100%);
  /* Note: Do NOT add overflow: hidden here, so .portal-stage can stick to viewport! */
}
#portal-canvas {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  display: block;
  pointer-events: none;
  z-index: 1;
}

/* Sticky stage pinned during the entire scroll through #portal-scene */
.portal-stage {
  position: sticky;
  top: 0;
  left: 0;
  height: 100vh;
  width: 100%;
  overflow: hidden; /* Clips any canvas particles or waveforms cleanly within stage */
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  pointer-events: none;
  padding: 0 4%;
  z-index: 5;
}

/* Top HUD */
.portal-hud {
  position: absolute;
  top: 68px;
  left: 0;
  right: 0;
  width: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  pointer-events: none;
  padding: 10px 5% 12px;
  z-index: 15;
}
.portal-eyebrow {
  color: var(--accent-dv);
  letter-spacing: .2em;
  font-size: .68rem;
  margin-bottom: 8px;
  text-shadow: 0 2px 10px rgba(0,0,0,0.8);
}
.portal-chapters {
  display: flex;
  gap: 8px;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: 8px;
}
.portal-dot-item {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 6px 14px;
  border-radius: 20px;
  background: rgba(12, 16, 22, 0.85);
  border: 1px solid rgba(255, 255, 255, 0.12);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  cursor: pointer;
  pointer-events: all;
  transition: all .25s ease;
  font-family: inherit;
}
.portal-dot-item:hover {
  border-color: rgba(255, 255, 255, 0.3);
  transform: translateY(-1px);
}
.portal-dot-item .portal-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.25);
  transition: all .3s ease;
}
.portal-dot-item .portal-dot-label {
  font-family: 'JetBrains Mono', monospace;
  font-size: .65rem;
  color: var(--text-faint);
  letter-spacing: .06em;
  font-weight: 600;
  transition: all .3s ease;
}

/* Active chapter states */
.portal-dot-item.active[data-step="0"] {
  border-color: rgba(0, 255, 136, 0.55);
  background: rgba(0, 255, 136, 0.12);
}
.portal-dot-item.active[data-step="0"] .portal-dot {
  background: var(--accent-silicon);
  box-shadow: 0 0 10px var(--accent-silicon);
}
.portal-dot-item.active[data-step="0"] .portal-dot-label {
  color: var(--accent-silicon);
}

.portal-dot-item.active[data-step="1"] {
  border-color: rgba(0, 229, 255, 0.55);
  background: rgba(0, 229, 255, 0.12);
}
.portal-dot-item.active[data-step="1"] .portal-dot {
  background: var(--accent-dv);
  box-shadow: 0 0 10px var(--accent-dv);
}
.portal-dot-item.active[data-step="1"] .portal-dot-label {
  color: var(--accent-dv);
}

.portal-dot-item.active[data-step="2"] {
  border-color: rgba(255, 51, 102, 0.55);
  background: rgba(255, 51, 102, 0.12);
}
.portal-dot-item.active[data-step="2"] .portal-dot {
  background: var(--accent-builder);
  box-shadow: 0 0 10px var(--accent-builder);
}
.portal-dot-item.active[data-step="2"] .portal-dot-label {
  color: var(--accent-builder);
}

.portal-dot-item.active[data-step="3"] {
  border-color: rgba(255, 215, 0, 0.55);
  background: rgba(255, 215, 0, 0.12);
}
.portal-dot-item.active[data-step="3"] .portal-dot {
  background: #ffd700;
  box-shadow: 0 0 10px #ffd700;
}
.portal-dot-item.active[data-step="3"] .portal-dot-label {
  color: #ffd700;
}

.portal-meter {
  width: min(460px, 88%);
  height: 6px;
  background: rgba(255, 255, 255, 0.08);
  border-radius: 4px;
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.05);
}
#portal-progress {
  height: 100%;
  width: 0%;
  background: linear-gradient(90deg, #00ff88 0%, #00e5ff 38%, #ff3366 72%, #ffd700 100%);
  border-radius: 4px;
  transition: width .15s linear;
}

/* Card Deck: holds the 4 cards and morphs them with 3D changing animation */
.portal-card-deck {
  position: relative;
  width: min(740px, 94%);
  min-height: 440px;
  display: flex;
  align-items: center;
  justify-content: center;
  perspective: 1400px;
  pointer-events: none;
  margin-top: 48px;
  z-index: 10;
}

.cdc-card {
  position: absolute;
  top: 50%;
  left: 50%;
  width: 100%;
  max-width: 740px;
  background: rgba(12, 16, 23, 0.94);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 24px;
  padding: clamp(22px, 3.8vw, 36px);
  box-shadow: 0 30px 80px rgba(0, 0, 0, 0.75);
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
  text-align: left;
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  filter: blur(10px);
  transform: translate(-50%, calc(-50% + 55px)) scale(0.92) translateZ(-60px) rotateX(-5deg);
  transition: opacity 0.5s cubic-bezier(0.16, 1, 0.3, 1),
              transform 0.55s cubic-bezier(0.16, 1, 0.3, 1),
              filter 0.45s ease,
              visibility 0.45s ease,
              box-shadow 0.45s ease,
              border-color 0.45s ease;
  will-change: transform, opacity, filter;
}

/* Card Transition States */
.cdc-card.active {
  opacity: 1;
  visibility: visible;
  filter: blur(0px);
  transform: translate(-50%, -50%) scale(1) translateZ(0) rotateX(0deg);
  pointer-events: auto;
  z-index: 10;
}
.cdc-card.past {
  opacity: 0;
  visibility: hidden;
  filter: blur(10px);
  transform: translate(-50%, calc(-50% - 55px)) scale(0.92) translateZ(-60px) rotateX(5deg);
  pointer-events: none;
  z-index: 2;
}
.cdc-card.future {
  opacity: 0;
  visibility: hidden;
  filter: blur(10px);
  transform: translate(-50%, calc(-50% + 55px)) scale(0.92) translateZ(-60px) rotateX(-5deg);
  pointer-events: none;
  z-index: 2;
}

/* Staggered in-card animation when active */
.cdc-card.active .cdc-badge {
  animation: cdcFadeSlide 0.45s cubic-bezier(0.16, 1, 0.3, 1) both;
}
.cdc-card.active .cdc-card-title {
  animation: cdcFadeSlide 0.5s cubic-bezier(0.16, 1, 0.3, 1) 0.06s both;
}
.cdc-card.active .cdc-card-desc {
  animation: cdcFadeSlide 0.5s cubic-bezier(0.16, 1, 0.3, 1) 0.12s both;
}
.cdc-card.active .cdc-card-metrics,
.cdc-card.active .cdc-sync-diagram,
.cdc-card.active .cdc-ecom-showcase {
  animation: cdcFadeSlide 0.5s cubic-bezier(0.16, 1, 0.3, 1) 0.18s both;
}
.cdc-card.active .cdc-card-foot-row {
  animation: cdcFadeSlide 0.5s cubic-bezier(0.16, 1, 0.3, 1) 0.24s both;
}

@keyframes cdcFadeSlide {
  0% { opacity: 0; transform: translateY(12px); }
  100% { opacity: 1; transform: translateY(0); }
}

.cdc-card-hw {
  border-color: rgba(0, 255, 136, 0.45);
  box-shadow: 0 0 50px rgba(0, 255, 136, 0.14), 0 30px 80px rgba(0, 0, 0, 0.75);
}
.cdc-card-sync {
  border-color: rgba(0, 229, 255, 0.45);
  box-shadow: 0 0 50px rgba(0, 229, 255, 0.14), 0 30px 80px rgba(0, 0, 0, 0.75);
}
.cdc-card-ecom {
  border-color: rgba(255, 51, 102, 0.45);
  box-shadow: 0 0 50px rgba(255, 51, 102, 0.14), 0 30px 80px rgba(0, 0, 0, 0.75);
}
.cdc-card-indie {
  border-color: rgba(255, 215, 0, 0.45);
  box-shadow: 0 0 50px rgba(255, 215, 0, 0.14), 0 30px 80px rgba(0, 0, 0, 0.75);
}

.cdc-card-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
  margin-bottom: 12px;
}
.cdc-badge {
  font-family: 'JetBrains Mono', monospace;
  font-size: .68rem;
  font-weight: 700;
  letter-spacing: .1em;
  padding: 4px 10px;
  border-radius: 6px;
}
.cdc-badge-hw { color: #00ff88; background: rgba(0, 255, 136, 0.12); border: 1px solid rgba(0, 255, 136, 0.3); }
.cdc-badge-sync { color: #00e5ff; background: rgba(0, 229, 255, 0.12); border: 1px solid rgba(0, 229, 255, 0.3); }
.cdc-badge-ecom { color: #ff3366; background: rgba(255, 51, 102, 0.12); border: 1px solid rgba(255, 51, 102, 0.3); }
.cdc-badge-indie { color: #ffd700; background: rgba(255, 215, 0, 0.12); border: 1px solid rgba(255, 215, 0, 0.3); }

.cdc-clock { font-size: .72rem; color: var(--text-faint); }
.cdc-card-title {
  font-family: 'Syne', sans-serif;
  font-size: clamp(1.8rem, 3.8vw, 2.5rem);
  font-weight: 800;
  line-height: 1.15;
  margin-bottom: 12px;
}
.cdc-card-hw .cdc-card-title span { color: var(--accent-silicon); }
.cdc-card-sync .cdc-card-title span { color: var(--accent-dv); }
.cdc-card-ecom .cdc-card-title span { color: var(--accent-builder); }
.cdc-card-indie .cdc-card-title span { color: #ffd700; }

.cdc-card-desc {
  color: var(--text-muted);
  font-size: clamp(.88rem, 1.4vw, 1rem);
  line-height: 1.6;
  margin-bottom: 16px;
}
.cdc-card-metrics {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  margin-bottom: 14px;
}
.cdc-chip {
  font-family: 'JetBrains Mono', monospace;
  font-size: .72rem;
  padding: 5px 12px;
  border-radius: 20px;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.1);
  color: var(--text);
}
.cdc-chip.hot {
  background: rgba(0, 255, 136, 0.12);
  border-color: rgba(0, 255, 136, 0.35);
  color: #00ff88;
  font-weight: 600;
}
.cdc-chip.hot-ecom {
  background: rgba(255, 51, 102, 0.12);
  border-color: rgba(255, 51, 102, 0.35);
  color: #ff3366;
  font-weight: 600;
}
.cdc-chip.hot-gold {
  background: rgba(255, 215, 0, 0.12);
  border-color: rgba(255, 215, 0, 0.35);
  color: #ffd700;
  font-weight: 600;
}

/* Card 2 CDC diagram */
.cdc-sync-diagram {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  background: rgba(0, 0, 0, 0.5);
  border: 1px dashed rgba(0, 229, 255, 0.3);
  border-radius: 12px;
  padding: 12px 18px;
  margin-bottom: 14px;
  flex-wrap: wrap;
}
.sync-node { display: flex; flex-direction: column; gap: 4px; }
.sync-hw span { color: var(--accent-silicon); font-size: .68rem; }
.sync-hw strong { color: #fff; font-size: .88rem; }
.sync-sw span { color: var(--accent-builder); font-size: .68rem; }
.sync-sw strong { color: #fff; font-size: .88rem; }
.sync-bridge {
  display: flex;
  align-items: center;
  gap: 8px;
  background: rgba(0, 229, 255, 0.08);
  border: 1px solid rgba(0, 229, 255, 0.25);
  border-radius: 20px;
  padding: 5px 14px;
}
.sync-pulse {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--accent-dv);
  box-shadow: 0 0 10px var(--accent-dv);
  animation: syncPulseMove 1.6s infinite ease-in-out;
}
@keyframes syncPulseMove {
  0% { transform: translateX(-10px); opacity: 0.3; }
  50% { opacity: 1; transform: translateX(0); }
  100% { transform: translateX(10px); opacity: 0.3; }
}
.sync-label { font-size: .65rem; color: var(--accent-dv); letter-spacing: .08em; }

/* Card 3 E-Commerce showcase */
.cdc-ecom-showcase {
  background: rgba(255, 51, 102, 0.06);
  border: 1px solid rgba(255, 51, 102, 0.2);
  border-radius: 12px;
  padding: 10px 16px;
  margin-bottom: 14px;
}
.ecom-rating-box {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}
.ecom-stars {
  color: #ffd700;
  font-size: 1.05rem;
  letter-spacing: 2px;
  text-shadow: 0 0 10px rgba(255, 215, 0, 0.5);
}
.ecom-rating-text {
  font-size: .72rem;
  color: var(--text-muted);
}

/* Card Foot Row with step buttons */
.cdc-card-foot-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  padding-top: 12px;
  margin-top: 10px;
  flex-wrap: wrap;
}
.cdc-card-foot {
  font-size: .72rem;
  color: var(--text-faint);
  flex: 1;
  min-width: 220px;
}
.cdc-nav-step-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 14px;
  border-radius: 20px;
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.72rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.25s ease;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.15);
  color: var(--text);
  white-space: nowrap;
}
.cdc-card-hw .cdc-nav-step-btn:hover {
  background: rgba(0, 255, 136, 0.15);
  border-color: rgba(0, 255, 136, 0.45);
  color: #00ff88;
  transform: translateX(2px);
}
.cdc-card-sync .cdc-nav-step-btn:hover {
  background: rgba(0, 229, 255, 0.15);
  border-color: rgba(0, 229, 255, 0.45);
  color: #00e5ff;
  transform: translateX(2px);
}
.cdc-card-ecom .cdc-nav-step-btn:hover {
  background: rgba(255, 51, 102, 0.15);
  border-color: rgba(255, 51, 102, 0.45);
  color: #ff3366;
  transform: translateX(2px);
}
.cdc-card-indie .cdc-nav-step-btn:hover {
  background: rgba(255, 215, 0, 0.15);
  border-color: rgba(255, 215, 0, 0.45);
  color: #ffd700;
  transform: translateX(2px);
}
.cdc-prev-step-btn:hover {
  transform: translateX(-2px) !important;
}
.cdc-enter-btn { font-size: .82rem; padding: 8px 18px; }

/* ============ SILICON LAB ============ */
#silicon-lab { padding: 96px 0 64px; overflow: hidden; }
#silicon-lab section, #silicon-lab .lab-grid, #silicon-lab .lab-journey { scroll-margin-top: 130px; }
.lab-resume-map { max-width: 1100px; margin: 10px auto 0; padding: 0 5%; color: var(--text-muted); font-size: .82rem; }
.lab-resume-map a { color: var(--accent-silicon); font-weight: 600; }
.lab-resume-quote { display: block; margin-top: 8px; font-family: 'JetBrains Mono', monospace; font-size: .62rem; line-height: 1.5; color: var(--accent-dv); background: rgba(0,229,255,.06); border: 1px dashed rgba(0,229,255,.25); border-radius: 6px; padding: 6px 8px; }
.lab-journey { display: grid; grid-template-columns: repeat(4,1fr); gap: 10px; max-width: 1100px; margin: 0 auto; padding: 0 5%; }
.lab-stage { background: var(--surface-glass); border: 1px solid var(--border); border-radius: 12px; padding: 10px 14px; text-align: left; color: var(--text); cursor: pointer; transition: all .25s ease; font-family: inherit; backdrop-filter: blur(10px); }
.lab-stage:hover { border-color: rgba(0,255,136,.4); transform: translateY(-2px); }
.lab-stage.active { border-color: var(--accent-silicon); box-shadow: var(--shadow-glow-silicon); background: rgba(0,255,136,.06); }
.lab-stage-num { font-family: 'JetBrains Mono', monospace; font-size: .65rem; color: var(--accent-dv); }
.lab-stage-tag { display: inline-block; font-family: 'JetBrains Mono', monospace; font-size: .68rem; letter-spacing: .05em; color: var(--accent-silicon); background: rgba(0,255,136,.14); border-radius: 6px; padding: 2px 7px; margin-bottom: 4px; font-weight: 700; }
.ref-tag { display: inline-block; font-family: 'JetBrains Mono', monospace; font-size: .58rem; letter-spacing: .08em; color: var(--accent-dv); border: 1px solid rgba(0,229,255,.4); border-radius: 4px; padding: 2px 7px; margin-left: 6px; vertical-align: middle; }
.lab-stage-metrics { display: flex; gap: 8px; flex-wrap: wrap; max-width: 1100px; margin: 12px auto 0; padding: 0 5%; }
.metric-chip { font-family: 'JetBrains Mono', monospace; font-size: .68rem; color: var(--accent-silicon); background: rgba(0,255,136,.07); border: 1px solid rgba(0,255,136,.25); border-radius: 20px; padding: 5px 13px; }
.metric-chip.hot { background: var(--accent-silicon); color: #04120a; font-weight: 700; }
.lab-stage-name { display: block; font-weight: 700; font-size: .88rem; color: var(--text); margin: 3px 0 2px; }
.lab-stage-desc { font-size: .7rem; color: var(--text-faint); font-family: 'JetBrains Mono', monospace; }
.lab-stage-caption { max-width: 1100px; margin: 12px auto 0; padding: 0 5%; color: var(--text-muted); font-size: .85rem; }
.lab-grid { display: grid; grid-template-columns: minmax(0,7fr) minmax(0,5fr); gap: 14px; max-width: 1100px; margin: 18px auto 0; padding: 0 5%; }
.lab-grid-2 { grid-template-columns: minmax(0,1fr) minmax(0,1fr); }
.lab-grid > *, .lab-grid-2 > * { min-width: 0; }
.mobile-lab-switcher { display: none; }
.wave-card, .ltssm-card, .logic-card, .clock-card { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 18px; overflow: hidden; transform-style: preserve-3d; will-change: transform; }
.wave-title-row { display: flex; align-items: center; gap: 8px; margin-bottom: 10px; }
.wave-dot { width: 9px; height: 9px; border-radius: 50%; background: var(--accent-silicon); box-shadow: 0 0 10px var(--accent-silicon); }
.wave-title { font-family: 'JetBrains Mono', monospace; font-size: .75rem; color: var(--text-muted); }
.wave-live { margin-left: auto; font-family: 'JetBrains Mono', monospace; font-size: .65rem; color: var(--accent-silicon); }
.wave-controls { display: grid; grid-template-columns: auto 1fr; gap: 8px; margin-bottom: 10px; align-items: center; }
.wave-controls .wave-zoom, .wave-controls .wave-period { justify-content: flex-end; }
.wave-btn { background: var(--surface-2); border: 1px solid var(--border); color: var(--text); border-radius: 8px; padding: 6px 12px; font-family: 'JetBrains Mono', monospace; font-size: .7rem; cursor: pointer; transition: all .2s; }
.wave-btn.active, .wave-btn:hover { border-color: var(--accent-silicon); color: var(--accent-silicon); }
.wave-zoom, .wave-period { display: flex; gap: 4px; }
#wave-canvas, #clock-canvas, #ff-canvas { width: 100%; max-width: 100%; height: auto; display: block; background: #07070c; border: 1px solid var(--border); border-radius: 10px; }
.wave-readout { margin-top: 8px; font-size: .7rem; color: var(--accent-dv); }
.wave-lanes { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 10px; }
.wave-lane-toggle { background: transparent; border: 1px solid var(--border); color: var(--text-faint); border-radius: 20px; font-family: 'JetBrains Mono', monospace; font-size: .65rem; padding: 4px 10px; cursor: pointer; }
.wave-lane-toggle.active { color: var(--accent-silicon); border-color: rgba(0,255,136,.35); }
.wave-note { font-size: .68rem; color: var(--text-faint); margin-top: 8px; }
.ltssm-head, .logic-head { display: flex; align-items: center; justify-content: space-between; gap: 10px; flex-wrap: wrap; margin-bottom: 10px; }
.ltssm-title { font-weight: 700; font-size: .85rem; }
.ltssm-scroll { overflow-x: auto; border-radius: 10px; }
#ltssm-svg { width: 100%; min-width: 440px; background: #07070c; border: 1px solid var(--border); border-radius: 10px; display: block; }
.ltssm-node rect { fill: #14141d; stroke: #3a3a4d; transition: all .25s; }
.ltssm-node text { fill: #8888a0; }
.ltssm-node { cursor: pointer; transform-box: fill-box; transform-origin: center; transition: transform .35s cubic-bezier(.34,1.56,.64,1); }
.ltssm-node:hover { transform: translateZ(0) scale(1.06); }
.ltssm-node.active rect { fill: rgba(0,255,136,.15); stroke: var(--accent-silicon); }
.ltssm-node.active text { fill: var(--accent-silicon); }
.ltssm-node.active { transform: perspective(400px) rotateY(8deg) scale(1.08); }
.ltssm-node.active rect { filter: drop-shadow(0 0 8px rgba(0,255,136,.5)); }
.ltssm-info { margin-top: 10px; }
.ltssm-state-name { font-size: .78rem; color: var(--accent-silicon); }
.ltssm-state-desc { font-size: .8rem; color: var(--text-muted); margin-top: 4px; }
.ltssm-why { font-size: .72rem; color: var(--accent-silicon); margin-top: 6px; font-family: 'JetBrains Mono', monospace; }
.logic-tabs { display: flex; gap: 4px; flex-wrap: wrap; }
.logic-tab { background: transparent; border: 1px solid var(--border); color: var(--text-muted); border-radius: 8px; font-family: 'JetBrains Mono', monospace; font-size: .65rem; padding: 5px 10px; cursor: pointer; }
.logic-tab.active { color: var(--accent-silicon); border-color: var(--accent-silicon); }
.logic-panel { display: none; }
.logic-panel.active { display: block; }
.logic-hint { font-size: .75rem; color: var(--text-muted); margin: 8px 0; }
.gate-select { display: flex; flex-wrap: wrap; gap: 4px; margin-bottom: 10px; }
.gate-sim, .mux-row, .codec-row, .ff-row { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }
.bit-btn { background: #07070c; border: 1px solid var(--border); color: var(--text-muted); border-radius: 8px; font-family: 'JetBrains Mono', monospace; font-size: .7rem; padding: 7px 12px; cursor: pointer; }
.bit-btn.on { color: var(--accent-silicon); border-color: var(--accent-silicon); box-shadow: 0 0 12px rgba(0,255,136,.25); }
.gate-out { background: #07070c; border: 1px solid var(--border); border-radius: 8px; padding: 7px 12px; font-size: .72rem; color: var(--accent-dv); }
.gate-led { width: 16px; height: 16px; border-radius: 50%; background: #222; border: 1px solid #555; display: inline-block; }
.gate-led.on { background: var(--accent-silicon); box-shadow: 0 0 14px var(--accent-silicon); }
.codec-input { width: 52px; background: #07070c; border: 1px solid var(--border); color: var(--text); border-radius: 8px; padding: 7px 10px; text-align: center; font-size: .8rem; }
.codec-out { font-size: .72rem; color: var(--accent-silicon); }
.clock-controls { display: grid; gap: 8px; margin-bottom: 10px; }
.clock-row { display: grid; grid-template-columns: 52px 1fr 84px; align-items: center; gap: 8px; font-size: .75rem; color: var(--text-muted); }
.clock-row input[type=range] { accent-color: var(--accent-silicon); }
.clock-check { display: flex; gap: 8px; align-items: center; }
.skills-tabs { display: flex; gap: 6px; justify-content: center; margin-top: 14px; flex-wrap: wrap; }
.skills-tab { background: var(--surface); border: 1px solid var(--border); color: var(--text-muted); border-radius: 30px; padding: 8px 18px; font-family: 'JetBrains Mono', monospace; font-size: .72rem; cursor: pointer; }
.skills-tab.active { color: #04120a; background: var(--accent-silicon); border-color: var(--accent-silicon); font-weight: 700; }
body[data-skills="builder"] #dv-orbit { display: none; }
body[data-skills="dv"] #builder-stack, body[data-skills="dv"] .skills-connector { display: none; }
/* ============================================
   THE LOOP — Dedicated Engineering Section
   ============================================ */
#the-loop {
  padding: 96px 0;
  position: relative;
}
.loop-container {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 5%;
}
.loop-card {
  background: var(--surface-glass);
  border: 1px solid rgba(255, 107, 53, 0.35);
  border-radius: 20px;
  padding: 40px 32px;
  margin-top: 36px;
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  box-shadow: 0 12px 40px rgba(255, 107, 53, 0.08);
  transition: all 0.3s ease;
  text-align: center;
}
.loop-card:hover {
  border-color: rgba(255, 107, 53, 0.55);
  box-shadow: 0 16px 48px rgba(255, 107, 53, 0.14);
}
.loop-cycle-track {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 14px;
  flex-wrap: wrap;
  margin: 28px 0;
}
.loop-cycle-node {
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 20px 16px;
  min-width: 170px;
  max-width: 210px;
  flex: 1 1 170px;
  text-align: center;
  transition: all 0.3s ease;
}
.loop-cycle-node:hover {
  border-color: var(--accent-builder);
  transform: translateY(-3px);
  box-shadow: 0 0 20px rgba(255, 107, 53, 0.22);
}
.lcn-icon {
  font-size: 1.6rem;
  margin-bottom: 8px;
}
.lcn-name {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.82rem;
  font-weight: 700;
  color: var(--accent-builder);
  letter-spacing: 0.06em;
}
.lcn-desc {
  font-size: 0.72rem;
  color: var(--text-muted);
  margin-top: 6px;
  line-height: 1.45;
}
.loop-cycle-arrow {
  font-size: 1.3rem;
  color: var(--text-faint);
  user-select: none;
}
.loop-cycle-arrow.return {
  font-size: 1.6rem;
  color: var(--accent-builder);
}
.loop-stats-bar {
  display: flex;
  justify-content: space-around;
  gap: 16px;
  flex-wrap: wrap;
  background: rgba(0, 0, 0, 0.25);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 16px 20px;
  margin: 30px 0 24px;
}
.ls-item {
  display: flex;
  flex-direction: column;
  align-items: center;
}
.ls-num {
  font-size: 1.35rem;
  font-weight: 700;
  color: var(--accent-builder);
}
.ls-label {
  font-size: 0.68rem;
  color: var(--text-faint);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-top: 4px;
}
.loop-ctas {
  display: flex;
  gap: 14px;
  justify-content: center;
  flex-wrap: wrap;
  margin-top: 24px;
}
.tilt-3d { perspective: 900px; }
.tilt-3d-inner { transition: transform .18s ease-out; transform-style: preserve-3d; }
@media (max-width: 900px) { .lab-grid, .lab-grid-2, .lab-journey { grid-template-columns: 1fr; } }
@media (max-width: 1024px) and (min-width: 769px) { .lab-journey { grid-template-columns: 1fr 1fr; } }
@media (max-width: 768px) {
  #portal-scene { min-height: 320vh; }
  .portal-hud { top: 58px; padding: 6px 3%; }
  .portal-eyebrow { font-size: 0.58rem; letter-spacing: 0.1em; text-align: center; }
  .portal-chapters { gap: 4px; }
  .portal-dot-item { padding: 4px 8px; }
  .portal-dot-item .portal-dot-label { font-size: 0.56rem; }
  .portal-card-deck { margin-top: 64px; min-height: 480px; width: 96%; }
  .cdc-card { padding: 18px 16px; border-radius: 18px; max-height: 82vh; overflow-y: auto; }
  .cdc-card-title { font-size: 1.45rem; margin-bottom: 8px; }
  .cdc-card-desc { font-size: 0.82rem; margin-bottom: 12px; line-height: 1.5; }
  .cdc-sync-diagram { padding: 8px 10px; gap: 6px; }
  .cdc-card-foot-row { flex-direction: column; align-items: stretch; gap: 8px; }
  .cdc-card-foot { text-align: center; font-size: 0.68rem; min-width: 0; }
  .cdc-nav-step-btn { justify-content: center; width: 100%; }
  .portal-title { font-size: clamp(1.6rem,8vw,2.4rem); }
  .portal-sub { font-size: .85rem; padding: 0 4%; }
  /* Mobile Lab Switcher */
  .mobile-lab-switcher {
    display: flex;
    gap: 8px;
    padding: 0 4%;
    max-width: 100%;
    margin: 14px auto 14px;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
  }
  .mobile-lab-tab {
    background: var(--surface);
    border: 1px solid var(--border);
    color: var(--text-muted);
    border-radius: 20px;
    padding: 7px 14px;
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.72rem;
    white-space: nowrap;
    cursor: pointer;
    transition: all 0.2s ease;
    flex-shrink: 0;
  }
  .mobile-lab-tab:hover {
    border-color: rgba(0, 255, 136, 0.4);
    color: var(--text);
  }
  .mobile-lab-tab.active {
    background: rgba(0, 255, 136, 0.12);
    border-color: var(--accent-silicon);
    color: var(--accent-silicon);
    font-weight: 700;
    box-shadow: 0 0 12px rgba(0, 255, 136, 0.2);
  }

  /* Filter panels on mobile: Show active module only to keep mobile height under 480px */
  body[data-lab-active="waveform"] [data-lab-panel="ltssm"],
  body[data-lab-active="waveform"] [data-lab-panel="logic"] {
    display: none !important;
  }
  body[data-lab-active="ltssm"] [data-lab-panel="waveform"],
  body[data-lab-active="ltssm"] [data-lab-panel="logic"] {
    display: none !important;
  }
  body[data-lab-active="logic"] [data-lab-panel="waveform"],
  body[data-lab-active="logic"] [data-lab-panel="ltssm"] {
    display: none !important;
  }

  /* Waveform Card Mobile Polish */
  .wave-card {
    padding: 14px;
    border-radius: 16px;
  }
  #wave-canvas {
    height: 140px !important;
    max-height: 140px;
    border-radius: 8px;
  }
  .wave-controls {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 6px;
    margin-bottom: 8px;
  }
  .wave-controls .wave-btn {
    padding: 5px 10px;
    font-size: 0.65rem;
  }
  .wave-controls .wave-period {
    display: none !important;
  }
  .wave-controls .wave-zoom {
    display: flex;
    gap: 3px;
  }
  .wave-readout {
    font-size: 0.65rem;
    margin-top: 6px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
  }
  .wave-lanes {
    display: flex;
    flex-wrap: nowrap;
    overflow-x: auto;
    gap: 4px;
    margin-top: 8px;
    padding-bottom: 4px;
    -webkit-overflow-scrolling: touch;
  }
  .wave-lane-toggle {
    flex-shrink: 0;
    padding: 3px 8px;
    font-size: 0.62rem;
  }
  .wave-note {
    font-size: 0.62rem;
    margin-top: 6px;
  }

  /* LTSSM Mobile Polish */
  #ltssm-svg {
    min-width: 0 !important;
    width: 100% !important;
    height: auto !important;
    max-width: 100% !important;
  }
  .ltssm-scroll {
    overflow-x: hidden;
  }

  /* Lab Stages Pills Mobile Polish */
  .lab-journey {
    display: flex;
    overflow-x: auto;
    scroll-snap-type: x mandatory;
    gap: 6px;
    padding: 0 4% 6px;
  }
  .lab-stage {
    min-width: 130px;
    padding: 8px 10px;
    scroll-snap-align: start;
    border-radius: 10px;
  }
  .lab-stage-name {
    font-size: 0.78rem;
  }
  .lab-stage-desc {
    font-size: 0.62rem;
  }
  .lab-stage-tag {
    font-size: 0.6rem;
    padding: 1px 5px;
  }
  .lab-stage-metrics {
    gap: 6px;
    margin-top: 8px;
    padding: 0 4%;
  }
  .metric-chip {
    font-size: 0.62rem;
    padding: 3px 8px;
  }
  .lab-stage-caption {
    font-size: 0.78rem;
    margin-top: 8px;
    line-height: 1.45;
    padding: 0 4%;
  }
  .lab-grid, .lab-grid-2 { grid-template-columns: minmax(0,1fr); padding: 0 4%; }
  .ltssm-card, .logic-card, .clock-card { padding: 14px; }
  .logic-tabs { display: flex; overflow-x: auto; padding-bottom: 6px; }
  .clock-row { grid-template-columns: 48px 1fr 72px; }
  .finale-ctas { flex-direction: column; align-items: stretch; }
  .finale-ctas a { text-align: center; }
  #journey-switcher { bottom: calc(10px + env(safe-area-inset-bottom)); max-width: 94vw; }
  .journey-inner { max-width: 94vw; overflow-x: auto; }
  .journey-btn { padding: 10px 12px; font-size: .72rem; min-height: 44px; }
  section { scroll-margin-top: 120px; }
}

/* ============================================
   INDIE PROJECTS: BUILDER JOURNEY (Horizontal Scroll)
   ============================================ */
#indie-projects {
  padding: 96px 0 64px;
}
.section-title .highlight-builder {
  position: relative; display: inline-block; color: var(--accent-builder);
}
.section-title .highlight-builder::after {
  content: ''; position: absolute; bottom: 2px; left: 0; right: 0;
  height: 8px; background: var(--accent-builder); opacity: 0.15;
  border-radius: 4px; transform: skewX(-3deg);
}

/* Builder theme cards */
.builder-theme {
  background: linear-gradient(135deg, var(--surface), rgba(255,51,102,0.05));
  border-color: rgba(255,51,102,0.15);
}
.builder-theme:hover {
  box-shadow: var(--shadow-glow-builder);
  border-color: rgba(255,51,102,0.3);
}
.builder-tags span {
  background: var(--accent-builder-glow);
  color: var(--accent-builder);
  border-color: rgba(255,51,102,0.15);
}

/* Journey start card */
.indie-journey-start {
  background: linear-gradient(135deg, rgba(255,51,102,0.08), rgba(255,51,102,0.02));
  border-color: rgba(255,51,102,0.2);
  display: flex; flex-direction: column;
  justify-content: center; align-items: center;
  text-align: center;
}
.journey-chapter {
  font-family: 'JetBrains Mono', monospace; font-size: 0.7rem;
  font-weight: 700; text-transform: uppercase; letter-spacing: 0.12em;
  color: var(--accent-builder); margin-bottom: 16px;
  padding: 4px 14px; border-radius: 20px;
  border: 1px solid rgba(255,51,102,0.2);
  background: var(--accent-builder-glow);
}
.journey-title {
  font-family: 'Syne', sans-serif; font-size: 1.8rem;
  font-weight: 800; line-height: 1.2; letter-spacing: -0.02em;
  margin-bottom: 12px; color: var(--text);
}
.journey-desc {
  font-size: 0.88rem; color: var(--text-muted);
  line-height: 1.6; max-width: 320px; margin-bottom: 24px;
}
.journey-flow-mini {
  display: flex; align-items: center; gap: 8px; flex-wrap: wrap;
  justify-content: center;
}
.jf-node {
  padding: 6px 14px; border-radius: 20px;
  font-family: 'JetBrains Mono', monospace; font-size: 0.72rem;
  font-weight: 600; border: 1px solid var(--border);
  background: var(--surface);
}
.jf-silicon { color: var(--accent-silicon); border-color: rgba(0,255,136,0.2); }
.jf-code { color: var(--accent-purple); border-color: rgba(168,85,247,0.2); }
.jf-ship { color: var(--accent-builder); border-color: rgba(255,51,102,0.2);
  background: var(--accent-builder-glow);
}
.jf-arrow { color: var(--text-faint); font-size: 1rem; }

/* Journey impact card */
.indie-journey-impact {
  background: linear-gradient(135deg, var(--surface), rgba(255,51,102,0.05));
  border-color: rgba(255,51,102,0.15);
}
.journey-closing {
  margin-top: 24px; font-size: 0.82rem; color: var(--text-muted);
  font-style: italic; text-align: center; line-height: 1.6;
  padding-top: 16px; border-top: 1px solid var(--border);
}
/* (Flip card project styles removed — indie projects now use horizontal scroll) */
/* Builder card themes are now handled by .builder-theme class */

/* ============================================
   COLLEGE
   ============================================ */
#college {
  padding: 96px 0;
}
.college-grid {
  display: grid; grid-template-columns: 1fr 1fr;
  gap: 24px; max-width: 1100px; margin: 32px auto 0;
  padding: 0 5%;
}
.college-left { display: flex; flex-direction: column; gap: 16px; }
.college-right { display: flex; flex-direction: column; gap: 16px; }

.college-viit-card {
  background: linear-gradient(135deg, #0a1628, #0f2035);
  border: 1px solid rgba(0,255,136,0.1);
  border-radius: var(--radius); padding: 32px; color: #fff;
}
.viit-label {
  font-size: 0.7rem; text-transform: uppercase; letter-spacing: 0.1em;
  color: rgba(255,255,255,.4); margin-bottom: 8px;
  font-family: 'JetBrains Mono', monospace;
}
.viit-name {
  font-family: 'Syne', sans-serif; font-size: 1.2rem;
  font-weight: 800; margin-bottom: 4px;
}
.viit-degree {
  font-size: 0.88rem; color: rgba(255,255,255,.6); margin-bottom: 16px;
}
.viit-stats { display: flex; gap: 24px; }
.viit-stat { text-align: center; }
.viit-stat-num {
  font-family: 'Syne', sans-serif; font-size: 1.3rem;
  font-weight: 800; color: var(--accent-silicon);
}
.viit-stat-label {
  font-size: 0.68rem; color: rgba(255,255,255,.4);
  font-family: 'JetBrains Mono', monospace;
}

.clubs-heading {
  font-family: 'Syne', sans-serif; font-size: 1rem;
  font-weight: 700; margin-bottom: 12px; padding-left: 4px;
  color: var(--text);
}
.clubs-list { display: flex; flex-direction: column; gap: 8px; }
.club-item {
  background: var(--bg); border: 1px solid var(--border);
  border-radius: var(--radius-sm); padding: 12px 16px;
  display: flex; justify-content: space-between; align-items: center;
  transition: all var(--transition);
}
.club-item:hover {
  transform: translateX(4px);
  border-color: var(--border-hover);
}
.club-role { font-weight: 700; font-size: 0.85rem; color: var(--text); }
.club-name { font-size: 0.78rem; color: var(--text-muted); margin-top: 2px; }
.club-period {
  font-family: 'JetBrains Mono', monospace; font-size: 0.68rem;
  color: var(--text-faint); flex-shrink: 0;
}

.research-card {
  background: linear-gradient(135deg, rgba(168,85,247,0.08), rgba(168,85,247,0.03));
  border: 1px solid rgba(168,85,247,0.15);
  border-radius: var(--radius); padding: 28px;
  transition: all var(--transition);
}
.research-card:hover {
  transform: translateY(-2px);
  box-shadow: 0 0 30px rgba(168,85,247,0.1);
}
.research-label {
  font-size: 0.7rem; text-transform: uppercase; letter-spacing: 0.1em;
  color: var(--accent-purple); font-family: 'JetBrains Mono', monospace;
  font-weight: 600; margin-bottom: 8px;
}
.research-title {
  font-family: 'Syne', sans-serif; font-size: 1rem;
  font-weight: 700; color: #c4b5fd; margin-bottom: 8px;
}
.research-desc { font-size: 0.82rem; color: #a78bfa; line-height: 1.6; }
.research-desc strong { color: #e9d5ff; }

.gandharva-card {
  background: linear-gradient(135deg, rgba(249,115,22,0.08), rgba(249,115,22,0.03));
  border: 1px solid rgba(249,115,22,0.15);
  border-radius: var(--radius-sm); padding: 24px;
  transition: all var(--transition);
}
.gandharva-card:hover { transform: translateY(-2px); }
.gandharva-header { display: flex; align-items: center; gap: 14px; }
.gandharva-icon { font-size: 1.8rem; }
.gandharva-label {
  font-size: 0.65rem; text-transform: uppercase; letter-spacing: 0.1em;
  color: #fb923c; font-family: 'JetBrains Mono', monospace;
  font-weight: 600; margin-bottom: 3px;
}
.gandharva-title {
  font-family: 'Syne', sans-serif; font-size: 0.92rem;
  font-weight: 700; color: #fdba74;
}
.gandharva-desc {
  font-size: 0.8rem; color: #f97316; line-height: 1.65; margin-top: 12px;
  opacity: 0.8;
}

.patents-row { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.patent-card {
  background: linear-gradient(135deg, rgba(255,215,0,0.06), rgba(255,215,0,0.02));
  border: 1px solid rgba(255,215,0,0.15);
  border-radius: var(--radius-sm); padding: 20px;
  transition: all var(--transition);
}
.patent-card:hover {
  transform: translateY(-2px);
  box-shadow: 0 0 20px rgba(255,215,0,0.08);
}
.patent-icon { font-size: 1.3rem; margin-bottom: 8px; }
.patent-title {
  font-weight: 700; font-size: 0.85rem; color: var(--accent-gold);
  margin-bottom: 4px;
}
.patent-number {
  font-family: 'JetBrains Mono', monospace; font-size: 0.72rem;
  color: rgba(255,215,0,0.6);
}

/* ============================================
   CONTACT
   ============================================ */
#contact {
  padding: 80px 5% 80px;
  position: relative;
}
.contact-inner {
  position: relative;
  max-width: 820px; margin: 0 auto; text-align: center;
  padding: 40px 32px 36px;
  background: var(--surface-glass);
  border: 1px solid rgba(0, 255, 136, 0.22);
  border-radius: var(--radius);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.55), 0 0 45px rgba(0, 255, 136, 0.09);
  overflow: hidden;
}
.contact-terminal-bar {
  display: flex; align-items: center; justify-content: space-between;
  padding-bottom: 14px; margin-bottom: 22px;
  border-bottom: 1px solid var(--border);
  font-size: 0.68rem; color: var(--text-faint); letter-spacing: 0.08em;
}
.contact-terminal-bar .ct-status {
  display: inline-flex; align-items: center; gap: 8px; color: var(--accent-silicon); font-weight: 600;
}
.contact-terminal-bar .ct-status .status-dot {
  width: 7px; height: 7px;
}
.contact-eyebrow {
  font-family: 'JetBrains Mono', monospace; font-size: 0.8rem;
  font-weight: 500; color: var(--accent-silicon);
  letter-spacing: 0.06em; text-transform: uppercase; margin-bottom: 10px;
}
.contact-title {
  font-family: 'Syne', sans-serif;
  font-size: clamp(1.8rem, 4vw, 2.75rem);
  font-weight: 800; letter-spacing: -0.03em; margin-bottom: 14px;
}
.contact-sub {
  font-size: 0.95rem; color: var(--text-muted); margin-bottom: 24px; line-height: 1.65;
  max-width: 580px; margin-left: auto; margin-right: auto;
}
.contact-links {
  display: flex; flex-wrap: wrap; gap: 12px;
  justify-content: center; margin-top: 14px;
}
.contact-link-card {
  display: flex; flex-direction: column; align-items: center; gap: 6px;
  background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--radius-sm); padding: 18px 24px;
  font-size: 0.85rem; font-weight: 600; color: var(--text);
  min-width: 130px; transition: all var(--transition);
  opacity: 1 !important; transform: none !important;
}
.contact-link-card svg {
  width: 22px; height: 22px; color: var(--text-muted);
  transition: color var(--transition);
}
.contact-link-card:hover {
  border-color: var(--accent-silicon);
  transform: translateY(-3px) !important;
  box-shadow: var(--shadow-glow-silicon);
}
.contact-link-card:hover svg { color: var(--accent-silicon); }

/* ============================================
   FOOTER
   ============================================ */
.footer-divider {
  height: 1px; background: var(--border); margin: 0 5% 32px;
}
footer {
  text-align: center; padding: 0 5% 90px;
  font-size: 0.82rem; color: var(--text-faint);
}
footer span { color: var(--accent-builder); }
.curiosity-beep {
  display: inline-flex; align-items: center; gap: 8px;
  color: var(--accent-silicon); font-weight: 600;
  position: relative;
  animation: curiosity-glow 3s ease-in-out infinite;
}
.curiosity-beep::before {
  content: ''; display: inline-block; width: 7px; height: 7px;
  border-radius: 50%; background: var(--accent-silicon);
}
.curiosity-beep::after {
  content: ''; position: absolute; left: 0; top: 50%;
  transform: translateY(-50%); width: 7px; height: 7px;
  border-radius: 50%; box-shadow: 0 0 0 2px var(--accent-silicon);
  animation: curiosity-ping 2.2s cubic-bezier(0.16, 1, 0.3, 1) infinite;
}
@keyframes curiosity-ping {
  0% { transform: translate(0, -50%) scale(1); opacity: 0.85; }
  100% { transform: translate(0, -50%) scale(3.5); opacity: 0; }
}
@keyframes curiosity-glow {
  0%, 100% { text-shadow: 0 0 0px rgba(0,255,136,0); }
  50% { text-shadow: 0 0 8px rgba(0,255,136,0.4); }
}

/* ============================================
   MOBILE NAV TOGGLE
   ============================================ */
.nav-toggle { display: none; }

/* ============================================
   RESPONSIVE
   ============================================ */
@media (max-width: 900px) {
  /* Nav */
  .nav-toggle {
    display: flex; flex-direction: column; justify-content: space-between;
    width: 24px; height: 16px; background: transparent;
    border: none; cursor: pointer; z-index: 110; padding: 0;
  }
  .nav-toggle span {
    width: 100%; height: 2px; background: var(--text);
    border-radius: 2px; transition: all var(--transition);
    transform-origin: left center;
  }
  .nav-toggle.open span:nth-child(1) { transform: rotate(45deg) translateY(-2px) translateX(2px); }
  .nav-toggle.open span:nth-child(2) { opacity: 0; transform: scaleX(0); }
  .nav-toggle.open span:nth-child(3) { transform: rotate(-45deg) translateY(2px) translateX(2px); }

  .nav-links {
    position: fixed; top: 0; right: -100%; width: 280px; height: 100vh;
    background: rgba(10, 10, 15, 0.98); backdrop-filter: blur(20px);
    box-shadow: -10px 0 40px rgba(0, 0, 0, 0.3);
    border-left: 1px solid var(--border);
    flex-direction: column; align-items: stretch; justify-content: flex-start;
    gap: 0; padding: 100px 32px;
    transition: right 0.35s cubic-bezier(0.16, 1, 0.3, 1);
  }
  .nav-links.active { right: 0; }
  .nav-links a {
    padding: 16px 0; border-bottom: 1px solid var(--border);
    font-size: 1rem; font-weight: 600;
  }
  .nav-links a::after { display: none; }
  .nav-links .nav-cta {
    margin-top: 24px; text-align: center; border-bottom: none;
    padding: 14px 28px; font-size: 1rem !important;
  }

  /* Pipeline icons have no labels here; logo, menu, and journey pill are enough */
  #process-pipeline { display: none; }

  #navbar {
    padding-top: env(safe-area-inset-top);
    height: calc(64px + env(safe-area-inset-top));
  }

  /* Grids */
  .about-grid { grid-template-columns: 1fr; }
  .stats-flip-grid { grid-template-columns: 1fr 1fr; }
  .skills-dual-layout { flex-direction: column; }
  .skills-connector { flex-direction: row; padding: 8px 0; }
  .connector-line { width: 60px; height: 2px; }
  .connector-label { writing-mode: horizontal-tb; }
  .college-grid { grid-template-columns: 1fr; }
}

@media (max-width: 600px) {
  #hero {
    padding: calc(80px + env(safe-area-inset-top)) 5% 96px;
  }
  .terminal-window { margin-bottom: 20px; }
  .terminal-body {
    min-height: 96px; font-size: 0.68rem;
    padding: 12px 14px; line-height: 1.6;
  }
  .hero-badge {
    margin-bottom: 14px; font-size: 0.72rem;
    padding: 5px 12px 5px 8px;
  }
  .hero-photo-wrap { width: 104px; height: 104px; margin-bottom: 14px; }
  .photo-circuit-ring { inset: -4px; width: auto; height: auto; }
  .hero-photo { width: 96px; height: 96px; top: 4px; left: 4px; }
  .hero-name { font-size: clamp(1.9rem, 8.6vw, 2.75rem); margin-bottom: 8px; line-height: 1; white-space: nowrap; }
  .hero-tagline { font-size: 0.9rem; margin-bottom: 6px; }
  .hero-dual-track { flex-direction: column; gap: 8px; margin-top: 4px; margin-bottom: 16px; }
  .track-pill { font-size: 0.78rem; padding: 6px 14px; }
  .hero-contacts {
    flex-direction: row; align-items: center; justify-content: center;
    max-width: none; gap: 12px; margin-bottom: 16px;
  }
  .hero-contact-link {
    width: 44px; height: 44px; padding: 0; justify-content: center;
    font-size: 0; border-radius: 50%;
  }
  .hero-contact-link svg { width: 18px; height: 18px; }
  .hero-cmd { font-size: 0.68rem; margin-top: 8px; max-width: 100%; }
  .hero-metrics { gap: 6px; margin-top: 8px; }
  .hero-metric { padding: 4px 6px; line-height: 1.15; }
  .hero-cta-group { flex-direction: column; align-items: stretch; gap: 8px; margin-top: 10px; }
  .hero-cta-group .btn-primary,
  .hero-cta-group .btn-secondary {
    width: 100%; justify-content: center; min-height: 48px;
  }
  .scroll-indicator { display: none; }

  #about, #skills, #the-loop, #college { padding: 64px 0; }
  #experience, #silicon-lab, #dv-projects, #indie-projects { padding: 64px 0 48px; }
  #contact { padding: 64px 5% calc(96px + env(safe-area-inset-bottom)); }

  .sb-step { min-height: 44px; }
  .exp-filter, .proj-filter, .btn-secondary { min-height: 44px; }
  .exp-card-points li { font-size: 0.9rem; }

  .h-card { width: calc(100vw - 48px); max-width: 420px; padding: 24px; }
  .stats-flip-grid { grid-template-columns: 1fr; }
  .flip-card { height: 120px; }

  .patents-row { grid-template-columns: 1fr; }
  .contact-links { flex-direction: column; align-items: stretch; }
  .contact-link-card { text-align: center; justify-content: center; }

  /* Orbit becomes a structured category group on mobile */
  .orbit-container {
    display: flex; flex-direction: column; gap: 14px;
    aspect-ratio: auto; height: auto; max-width: none;
    padding: 6px 0;
  }
  .orbit-center {
    position: static; transform: none; margin: 0 auto 6px;
    width: 68px; height: 68px;
  }
  .orbit-ring {
    position: static !important; width: 100% !important; height: auto !important;
    border: 1px solid var(--border) !important; border-radius: 12px;
    background: rgba(18, 18, 26, 0.6); padding: 16px 12px 14px;
    transform: none !important; animation: none !important;
    display: flex; flex-wrap: wrap; gap: 8px; justify-content: center;
    pointer-events: auto;
  }
  .orbit-ring::before {
    display: block !important; position: static !important;
    width: 100%; height: auto; background: none; box-shadow: none;
    border-radius: 0; margin: 0 0 6px 0;
    font-family: 'JetBrains Mono', monospace; font-size: 0.65rem;
    font-weight: 700; letter-spacing: 0.08em; text-transform: uppercase;
    text-align: center;
  }
  .ring-1::before { content: 'RING 01 · CORE HDL'; color: var(--accent-silicon); }
  .ring-2::before { content: 'RING 02 · PROTOCOLS'; color: var(--accent-dv); }
  .ring-3::before { content: 'RING 03 · VERIFICATION TOOLS & LAB'; color: #c084fc; }
  .orbit-ring::after { display: none !important; }
  .orbit-chip,
  .orbit-chip:hover {
    position: static !important; left: auto !important; top: auto !important;
    transform: none !important; animation: none !important;
    font-size: 0.72rem; padding: 6px 12px; white-space: normal;
  }

  .flip-card-project { min-height: 340px; }
  .flip-card-project .flip-card-inner { min-height: 340px; }
}

/* ============================================
   SECTION PARITY — bring every section to Lab quality
   ============================================ */
.hero-cmd { display: flex; align-items: center; gap: 8px; background: #07070c; border: 1px solid var(--border); border-radius: 10px; padding: 8px 12px; font-size: .78rem; color: var(--accent-silicon); max-width: 560px; margin: 14px auto 0; }
.term-replay { margin-left: auto; background: transparent; border: 1px solid var(--border); color: var(--text-muted); border-radius: 8px; font-size: .65rem; padding: 3px 9px; cursor: pointer; }
.term-replay:hover { color: var(--accent-silicon); border-color: var(--accent-silicon); }
.term-cursor { animation: blink 1s steps(1) infinite; color: var(--accent-silicon); }
@keyframes blink { 50% { opacity: 0; } }
.hero-metrics { display: flex; gap: 10px; justify-content: center; flex-wrap: wrap; margin-top: 14px; }
.hero-metric { background: var(--surface-glass); border: 1px solid var(--border); border-radius: 10px; padding: 8px 14px; text-align: center; min-width: 96px; }
.hero-metric-num { font-family: 'JetBrains Mono', monospace; font-weight: 700; color: var(--accent-silicon); display: block; }
.hero-metric-label { font-size: .62rem; color: var(--text-faint); text-transform: uppercase; letter-spacing: .08em; }
.wave-divider { width: 100%; max-width: 900px; height: 44px; display: block; margin: 10px auto 0; opacity: .9; }
.about-state-strip { display: flex; align-items: center; gap: 10px; justify-content: center; flex-wrap: wrap; margin-bottom: 22px; background: var(--surface-glass); border: 1px solid var(--border); border-radius: 12px; padding: 10px 14px; }
.about-state { display: flex; align-items: center; gap: 8px; background: transparent; border: 1px solid var(--border); color: var(--text); border-radius: 20px; padding: 6px 14px; cursor: pointer; font-weight: 600; font-size: .8rem; }
.about-state:hover { border-color: var(--accent-silicon); }
.as-dot { width: 9px; height: 9px; border-radius: 50%; background: var(--accent-silicon); box-shadow: 0 0 10px var(--accent-silicon); }
.as-sub { font-family: 'JetBrains Mono', monospace; font-size: .6rem; color: var(--text-faint); }
.as-arrow { color: var(--text-faint); }
.as-note { font-size: .62rem; color: var(--text-faint); }
.exp-filters, .proj-filters { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; justify-content: center; margin: 0 auto 14px; }
.exp-filter, .proj-filter { background: transparent; border: 1px solid var(--border); color: var(--text-muted); border-radius: 20px; padding: 5px 14px; font-family: 'JetBrains Mono', monospace; font-size: .68rem; cursor: pointer; }
.exp-filter.active, .proj-filter.active { color: var(--accent-silicon); border-color: var(--accent-silicon); }
.exp-filter-note { font-size: .62rem; color: var(--text-faint); }
.exp-led { position: absolute; top: 14px; right: 16px; width: 10px; height: 10px; border-radius: 50%; background: var(--accent-silicon); box-shadow: 0 0 12px var(--accent-silicon); animation: blink 2s infinite; }
.exp-card-main { position: relative; }
.exp-metric-row { display: flex; gap: 8px; flex-wrap: wrap; margin: 10px 0; }
.exp-metric-row span { border: 1px solid rgba(0,255,136,.3); color: var(--accent-silicon); border-radius: 8px; padding: 3px 10px; font-size: .65rem; }
.exp-lab-links { display: flex; gap: 8px; flex-wrap: wrap; margin-bottom: 8px; }
#experience .h-card[data-exp].dim, #dv-proj-track .h-card.dim, #indie-track .h-card.dim { opacity: .25; filter: saturate(.4); }
.project-report { display: flex; gap: 8px; align-items: center; font-size: .62rem; color: var(--accent-silicon); margin-bottom: 10px; }
.builder-report { color: var(--accent-builder); }
.report-waves { margin-left: auto; background: transparent; border: 1px solid var(--border); color: var(--text-muted); border-radius: 8px; font-size: .62rem; padding: 3px 10px; cursor: pointer; font-family: 'JetBrains Mono', monospace; }
.report-waves:hover { color: var(--accent-silicon); border-color: var(--accent-silicon); }
.skills-count { font-size: .62rem; color: var(--text-faint); }
.boot-rail { display: flex; gap: 10px; align-items: center; justify-content: center; flex-wrap: wrap; font-family: 'JetBrains Mono', monospace; font-size: .7rem; color: var(--text-muted); margin-top: 10px; }
.contact-cta-row { display: flex; gap: 10px; justify-content: center; flex-wrap: wrap; margin: 16px 0 22px; }
.footer-route { margin-top: 6px; font-size: .62rem; color: var(--text-faint); }
@media (max-width: 768px) {
  .hero-metrics { gap: 8px; }
  .hero-metric { min-width: 0; flex: 1 1 40%; }
  .about-state-strip { gap: 6px; padding: 8px; }
}

/* Touch device: flip on tap (handled by JS adding .flipped class) */
@media (hover: none) {
  .flip-card:hover .flip-card-inner,
  .flip-card-project:hover .flip-card-inner { transform: none; }
  .flip-card.flipped .flip-card-inner,
  .flip-card-project.flipped .flip-card-inner { transform: rotateY(180deg); }
}

/* ============================================
   EXTRA ANIMATIONS — micro-motion, 3D atom, bug hunt
   ============================================ */

/* --- Atom legend + electron nodes (structure) --- */
.atom-legend {
  display: flex; gap: 14px; justify-content: center; flex-wrap: wrap;
  font-size: .6rem; color: var(--text-faint); letter-spacing: .05em; margin-top: 14px;
}

/* --- Shimmer bases (one-shot sweep triggered on reveal) --- */
.award-chip, .project-report { position: relative; overflow: hidden; }
.award-chip::after, .project-report::after {
  content: ''; position: absolute; top: 0; bottom: 0; left: 0; width: 45%;
  background: linear-gradient(105deg, transparent, rgba(255,255,255,.5), transparent);
  transform: translateX(-200%); pointer-events: none;
}

/* --- Small structural helpers --- */
.as-dot { position: relative; }
.section-stage-label .stage-icon { display: inline-block; }

/* --- Gradient-text bases (static = same color as before) --- */
.footer-route {
  background: linear-gradient(90deg, var(--text-faint) 44%, var(--accent-silicon) 50%, var(--text-faint) 56%);
  background-size: 300% 100%;
  -webkit-background-clip: text; background-clip: text;
  -webkit-text-fill-color: transparent;
}
.section-title .highlight, .section-title .highlight-builder {
  background-image: linear-gradient(100deg, var(--accent-silicon) 42%, #d6ffec 50%, var(--accent-silicon) 58%);
  background-size: 260% 100%; background-position: 0% 0;
  -webkit-background-clip: text; background-clip: text;
  -webkit-text-fill-color: transparent;
}


/* --- Bug hunt structure --- */
#bug-hunt { position: fixed; inset: 0; z-index: 150; pointer-events: none; overflow: hidden; }
#bug-wrap {
  position: absolute; left: 0; top: 0; width: 38px; height: 38px;
  pointer-events: auto; cursor: crosshair;
  opacity: 0; transition: opacity .4s ease; will-change: transform;
}
#bug-wrap.on { opacity: 1; }
#bug-svg {
  display: block; overflow: visible;
  filter: drop-shadow(0 0 7px rgba(0, 255, 136, 0.85));
  transition: filter .25s ease;
}
#bug-wrap:hover #bug-svg {
  filter: drop-shadow(0 0 12px rgba(0, 255, 136, 1)) drop-shadow(0 0 20px rgba(0, 229, 255, 0.7));
}
#ecom-svg {
  display: block; overflow: visible;
  filter: drop-shadow(0 0 8px rgba(0, 255, 136, 0.85)) drop-shadow(0 0 14px rgba(255, 183, 3, 0.6));
  transition: filter .25s ease, transform .25s ease;
}
#bug-wrap:hover #ecom-svg {
  filter: drop-shadow(0 0 16px rgba(0, 255, 136, 1)) drop-shadow(0 0 24px rgba(255, 107, 53, 0.95));
  transform: scale(1.12);
}
.bug-abdomen, .bug-thorax, .bug-head { fill: #0b1e13; stroke: #00ff88; stroke-width: 1.8; }
.bug-seam { fill: none; stroke: #00ff88; stroke-width: 1.4; opacity: .9; }
.bug-sheen { fill: rgba(0,255,136,.35); }
.bug-spot { fill: rgba(0,255,136,.5); stroke: rgba(0,255,136,.8); stroke-width: .8; }
.bug-eye { fill: #ffffff; filter: drop-shadow(0 0 2px #00ff88); }
.bug-legs { filter: drop-shadow(0 0 3px rgba(0, 255, 136, 0.6)); }
#bug-net {
  position: absolute; left: 0; top: 0;
  opacity: 0; transform: translateX(75vw) rotate(26deg);
  transition: transform .5s cubic-bezier(.3,.9,.35,1), opacity .16s ease;
}
#bug-net.lunge { opacity: 1; transform: translateX(0) rotate(-14deg); }
.net-hoop { fill: rgba(255,255,255,.05); stroke: #00ff88; stroke-width: 3; filter: drop-shadow(0 0 6px rgba(0,255,136,.6)); }
.net-mesh path { fill: none; stroke: rgba(0,255,136,.55); stroke-width: 1.4; }
.net-handle { fill: none; stroke: #baf7d8; stroke-width: 6; stroke-linecap: round; }
#bug-stamp {
  position: absolute; left: 0; top: 0; white-space: nowrap;
  padding: 7px 13px; border: 1.5px solid var(--accent-silicon); border-radius: 8px;
  background: rgba(4,18,10,.96); color: var(--accent-silicon);
  font-size: .78rem; font-weight: 700; letter-spacing: .06em;
  box-shadow: 0 0 24px rgba(0,255,136,.6);
  transform: translate(-50%, -160%) rotate(-7deg) scale(.3);
  opacity: 0; pointer-events: none;
  transition: opacity .3s, transform .35s cubic-bezier(.2, 1.4, .4, 1);
}
#bug-stamp.show { opacity: 1; transform: translate(-50%, -160%) rotate(-7deg) scale(1); }
#bug-stamp small {
  display: block; font-size: .58rem; color: var(--text-muted);
  font-weight: 500; letter-spacing: .02em; margin-top: 2px;
}
#bug-hunt.gone { opacity: 0; transition: opacity .8s ease; }

/* --- Keyframes (invoked only under no-preference below) --- */
@keyframes chip-sweep { to { transform: translateX(340%); } }
@keyframes packet-pulse { 50% { box-shadow: 0 0 18px 5px rgba(0,255,136,.9); } }
@keyframes boot-pulse {
  0% { color: var(--text-muted); text-shadow: none; }
  6% { color: var(--accent-silicon); text-shadow: 0 0 12px rgba(0,255,136,.85); }
  16%, 100% { color: var(--text-muted); text-shadow: none; }
}
@keyframes arrow-flow {
  0% { color: var(--text-faint); transform: none; }
  8% { color: var(--accent-silicon); transform: translateX(4px); }
  18%, 100% { color: var(--text-faint); transform: none; }
}
@keyframes dot-ring { 0% { transform: scale(.5); opacity: .9; } 55%, 100% { transform: scale(1.9); opacity: 0; } }
@keyframes route-flow { from { background-position: 0% 0; } to { background-position: 100% 0; } }
@keyframes cta-breathe {
  0%, 100% { filter: drop-shadow(0 0 0 rgba(0,255,136,0)); }
  50% { filter: drop-shadow(0 0 9px rgba(0,255,136,.65)); }
}
@keyframes text-shine { from { background-position: 100% 0; } to { background-position: 0% 0; } }
@keyframes pop-in { 0% { transform: scale(.86); } 100% { transform: scale(1); } }
@keyframes icon-pop { 0% { transform: scale(.4) rotate(-12deg); } 100% { transform: scale(1) rotate(0); } }
@keyframes nucleus-pulse { 0%, 100% { box-shadow: var(--shadow-glow-silicon); } 50% { box-shadow: 0 0 30px 7px rgba(0,255,136,.4); } }
@keyframes electron-glow { 50% { box-shadow: 0 0 16px 4px rgba(0,255,136,.95); } }
@keyframes gait-a { 0%, 100% { transform: rotate(-11deg); } 50% { transform: rotate(11deg); } }
@keyframes gait-b { 0%, 100% { transform: rotate(11deg); } 50% { transform: rotate(-11deg); } }
@keyframes ant-wig { from { transform: rotate(-8deg); } to { transform: rotate(8deg); } }
@keyframes bug-bob {
  0%, 100% { transform: translateY(0) rotate(-1.5deg); }
  50% { transform: translateY(-2px) rotate(1.5deg); }
}
@keyframes bug-squash {
  0% { transform: scale(1); opacity: 1; }
  35% { transform: scale(1.3, .55) rotate(6deg); }
  70%, 100% { transform: scale(1.5, .3) rotate(10deg); opacity: .35; }
}
@keyframes stamp-in { to { transform: translate(-50%, -160%) rotate(-7deg) scale(1); opacity: 1; } }

/* ============================================
   MOTION GATE — everything below only runs when
   the user hasn't asked for reduced motion
   ============================================ */
@media (prefers-reduced-motion: no-preference) {
  /* One-shot sweeps on reveal */
  html.js .award-chip.rv.in::after,
  html.js .rv.in .project-report::after {
    animation: chip-sweep .8s ease both;
    animation-delay: calc(var(--d, 0) * 90ms + 200ms);
  }

  /* Experience rail: traveling packet synced to scroll fill */
  .exp-rail-line::before {
    content: ''; position: absolute; left: 50%; z-index: 2;
    width: 9px; height: 9px; margin-left: -4.5px; border-radius: 50%;
    top: calc(var(--rail-fill, 0) * 100%); transform: translateY(-50%);
    background: radial-gradient(circle, #d8ffe9, var(--accent-silicon) 70%);
    box-shadow: 0 0 12px 3px rgba(0,255,136,.7);
    transition: top .12s linear;
    animation: packet-pulse 1.2s ease-in-out infinite;
  }

  /* College boot-rail signal flow (curiosity → VORA → Silicon DV) */
  .boot-rail > span:nth-child(1) { animation: boot-pulse 4s ease-in-out infinite; }
  .boot-rail > span:nth-child(3) { animation: boot-pulse 4s ease-in-out .8s infinite; }
  .boot-rail > span:nth-child(5) { animation: boot-pulse 4s ease-in-out 1.6s infinite; }
  .boot-rail > .as-arrow:nth-child(2) { animation: arrow-flow 4s ease-in-out .4s infinite; }
  .boot-rail > .as-arrow:nth-child(4) { animation: arrow-flow 4s ease-in-out 1.2s infinite; }

  /* About state-strip: ping dots + flowing arrows */
  .as-dot::after {
    content: ''; position: absolute; inset: -4px; border-radius: 50%;
    border: 1.5px solid var(--accent-silicon); opacity: 0;
    animation: dot-ring 2.6s ease-out infinite;
  }
  .about-state-strip > .as-arrow { animation: arrow-flow 3.6s ease-in-out infinite; }
  .about-state-strip > :nth-child(2) { animation-delay: .45s; }
  .about-state-strip > :nth-child(4) { animation-delay: 1.5s; }
  .about-state-strip > :nth-child(3) .as-dot::after { animation-delay: .85s; }
  .about-state-strip > :nth-child(5) .as-dot::after { animation-delay: 1.7s; }

  /* Footer route data-flow + contact CTA breathe */
  .footer-route { animation: route-flow 5s linear infinite; }
  .contact-cta-row .btn-primary { animation: cta-breathe 3s ease-in-out infinite; }

  /* Section title shine on reveal */
  .fade-up.visible .section-title .highlight,
  .fade-up.visible .section-title .highlight-builder {
    animation: text-shine 1.7s ease .35s 1 both;
  }

  /* Micro pops */
  .exp-filter.active, .proj-filter.active, .skills-tab.active,
  .journey-btn.active, .h-scroll-dots .dot.active {
    animation: pop-in .28s cubic-bezier(.2, 1.6, .4, 1);
  }
  .section-stage-label.rv.in .stage-icon {
    animation: icon-pop .5s cubic-bezier(.2, 1.6, .4, 1) .15s both;
  }

  /* Card depth entrance (paired rules keep specificity correct) */
  html.js .h-card.rv, html.js .flip-card.rv, html.js .college-viit-card.rv,
  html.js .research-card.rv, html.js .gandharva-card.rv, html.js .patent-card.rv {
    transform: translateY(18px) scale(.965);
  }
  html.js .h-card.rv.in, html.js .flip-card.rv.in, html.js .college-viit-card.rv.in,
  html.js .research-card.rv.in, html.js .gandharva-card.rv.in, html.js .patent-card.rv.in {
    transform: translateY(0) scale(1);
  }

  /* Section headers land with a 3D tilt (perspective on section) */
  section { perspective: 1400px; }
  .section-header.fade-up {
    transform: translateY(30px) rotateX(7deg);
    transform-origin: 50% 110%;
    transition: opacity .6s ease, transform .75s cubic-bezier(.2, .75, .25, 1);
  }
  .section-header.fade-up.visible { transform: translateY(0) rotateX(0); }

  /* 3D atom: pulsing nucleus + glowing electrons */
  .orbit-center { animation: nucleus-pulse 3s ease-in-out infinite; }
  .orbit-ring::before { animation: electron-glow 1.6s ease-in-out infinite; }
  .orbit-ring::after { animation: electron-glow 1.6s ease-in-out .8s infinite; }

  /* Bug hunt: gait, bob, antennae, squash, stamp */
  #bug-wrap.moving #bug-svg { animation: bug-bob .34s ease-in-out infinite; }
  #bug-wrap.moving .leg.g1 { animation: gait-a .26s ease-in-out infinite; }
  #bug-wrap.moving .leg.g2 { animation: gait-b .26s ease-in-out infinite; }
  .ant { transform-box: view-box; }
  .ant1 { transform-origin: 60px 28px; animation: ant-wig .9s ease-in-out infinite alternate; }
  .ant2 { transform-origin: 60px 36px; animation: ant-wig .9s ease-in-out .2s infinite alternate-reverse; }
  #bug-svg.caught { animation: bug-squash .4s ease-out forwards; }
  #bug-stamp.show { animation: stamp-in .45s cubic-bezier(.2, 1.6, .4, 1) forwards; }
}

/* ============================================
   COLLEGE — interactive BOOT-ROM chapter tabs
   ============================================ */
.college-tabs {
  display: flex; gap: 8px; justify-content: center; flex-wrap: wrap;
  margin: 4px auto 24px; padding: 0 5%;
}
.college-tab {
  background: transparent; border: 1px solid var(--border); color: var(--text-muted);
  border-radius: 20px; padding: 7px 16px; cursor: pointer;
  font-family: 'JetBrains Mono', monospace; font-size: .7rem; letter-spacing: .04em;
  transition: all var(--transition);
}
.college-tab:hover {
  border-color: var(--accent-silicon); color: var(--text);
  box-shadow: var(--shadow-glow-silicon);
}
.college-tab.active {
  color: #04120a; background: var(--accent-silicon);
  border-color: var(--accent-silicon); font-weight: 700;
}
.college-panels {
  display: grid; max-width: 1100px; margin: 0 auto; padding: 0 5%;
}
.college-panel {
  grid-area: 1 / 1; display: flex; flex-direction: column; gap: 16px;
  opacity: 0; visibility: hidden; pointer-events: none;
  transform: translateY(12px);
  transition: opacity .35s ease, transform .35s ease, visibility 0s linear .35s;
}
.college-panel.active {
  opacity: 1; visibility: visible; pointer-events: auto; transform: none;
  transition: opacity .4s ease .06s, transform .4s ease .06s;
}
@keyframes panel-in { from { opacity: 0; transform: translateY(16px); } to { opacity: 1; transform: none; } }

/* College Awards Ticker Marquee */
.college-awards-ticker {
  max-width: 900px;
  margin: 14px auto 0;
  overflow: hidden;
  white-space: nowrap;
  position: relative;
  border: 1px solid rgba(255, 215, 0, 0.25);
  background: rgba(255, 215, 0, 0.04);
  border-radius: 30px;
  padding: 8px 16px;
  mask-image: linear-gradient(90deg, transparent, #000 8%, #000 92%, transparent);
  -webkit-mask-image: linear-gradient(90deg, transparent, #000 8%, #000 92%, transparent);
}
.ticker-track {
  display: inline-flex;
  align-items: center;
  gap: 16px;
  animation: ticker-slide 34s linear infinite;
  will-change: transform;
}
.college-awards-ticker:hover .ticker-track {
  animation-play-state: paused;
}
@keyframes ticker-slide {
  0% { transform: translateX(0); }
  100% { transform: translateX(-50%); }
}
.ticker-item {
  font-size: .72rem;
  color: #ffd700;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-weight: 500;
}
.ticker-emoji { font-size: .85rem; }
.ticker-sep { color: var(--accent-silicon); font-size: .65rem; opacity: .7; }

.tab-chip-gold {
  font-family: 'JetBrains Mono', monospace;
  font-size: .56rem;
  padding: 2px 7px;
  border-radius: 10px;
  background: rgba(255, 215, 0, 0.15);
  color: #ffd700;
  border: 1px solid rgba(255, 215, 0, 0.35);
  margin-left: 5px;
  vertical-align: middle;
  animation: pulse-glow 2s infinite alternate;
}

/* Achievements Grid & Cards */
.achieve-heading-row {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  margin-bottom: 8px;
  flex-wrap: wrap;
  gap: 10px;
}
.achieve-eyebrow {
  font-size: .68rem;
  color: var(--accent-silicon);
  letter-spacing: .14em;
  margin-bottom: 4px;
}
.achieve-section-title {
  font-family: 'Syne', sans-serif;
  font-size: 1.35rem;
  font-weight: 800;
  color: var(--text);
}
.achieve-counter {
  font-size: .72rem;
  color: var(--accent-dv);
  background: rgba(0, 229, 255, 0.08);
  border: 1px solid rgba(0, 229, 255, 0.25);
  border-radius: 20px;
  padding: 4px 12px;
}

.achieve-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
}
@media (max-width: 768px) {
  .achieve-grid { grid-template-columns: 1fr; }
}

.achieve-card {
  position: relative;
  background: var(--surface-glass);
  border: 1px solid var(--border);
  border-radius: 18px;
  padding: 24px;
  display: flex;
  flex-direction: column;
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  transition: transform .35s cubic-bezier(0.16, 1, 0.3, 1),
              border-color .35s ease,
              box-shadow .35s ease;
  overflow: hidden;
  will-change: transform;
}
.achieve-card:hover {
  transform: translateY(-4px);
}

.achieve-card-glow {
  position: absolute;
  top: 0; left: 0; right: 0; height: 3px;
  background: linear-gradient(90deg, transparent, currentColor, transparent);
  opacity: .7;
}

.achieve-card[data-honor="swadeshi"] {
  border-color: rgba(0, 255, 136, 0.25);
}
.achieve-card[data-honor="swadeshi"]:hover {
  border-color: rgba(0, 255, 136, 0.5);
  box-shadow: 0 12px 36px rgba(0, 255, 136, 0.12), 0 0 20px rgba(0, 255, 136, 0.06);
}

.achieve-card[data-honor="pyp"] {
  border-color: rgba(255, 215, 0, 0.25);
}
.achieve-card[data-honor="pyp"]:hover {
  border-color: rgba(255, 215, 0, 0.55);
  box-shadow: 0 12px 36px rgba(255, 215, 0, 0.15), 0 0 20px rgba(255, 215, 0, 0.08);
}

.achieve-card[data-honor="iiser"] {
  border-color: rgba(0, 229, 255, 0.25);
}
.achieve-card[data-honor="iiser"]:hover {
  border-color: rgba(0, 229, 255, 0.5);
  box-shadow: 0 12px 36px rgba(0, 229, 255, 0.12), 0 0 20px rgba(0, 229, 255, 0.06);
}

.achieve-card[data-honor="coep"] {
  border-color: rgba(180, 120, 255, 0.25);
}
.achieve-card[data-honor="coep"]:hover {
  border-color: rgba(180, 120, 255, 0.5);
  box-shadow: 0 12px 36px rgba(180, 120, 255, 0.12), 0 0 20px rgba(180, 120, 255, 0.06);
}

.achieve-top {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
  margin-bottom: 14px;
}
.achieve-badge {
  font-family: 'JetBrains Mono', monospace;
  font-size: .68rem;
  font-weight: 700;
  letter-spacing: .08em;
  padding: 4px 10px;
  border-radius: 6px;
}
.badge-swadeshi {
  color: #00ff88;
  background: rgba(0, 255, 136, 0.12);
  border: 1px solid rgba(0, 255, 136, 0.35);
  box-shadow: 0 0 10px rgba(0, 255, 136, 0.2);
}
.badge-first {
  color: #ffd700;
  background: rgba(255, 215, 0, 0.14);
  border: 1px solid rgba(255, 215, 0, 0.45);
  box-shadow: 0 0 12px rgba(255, 215, 0, 0.25);
  text-shadow: 0 0 8px rgba(255, 215, 0, 0.4);
}
.badge-national {
  color: #00e5ff;
  background: rgba(0, 229, 255, 0.12);
  border: 1px solid rgba(0, 229, 255, 0.35);
  box-shadow: 0 0 10px rgba(0, 229, 255, 0.2);
}
.badge-runner {
  color: #c8a2ff;
  background: rgba(180, 120, 255, 0.12);
  border: 1px solid rgba(180, 120, 255, 0.35);
  box-shadow: 0 0 10px rgba(180, 120, 255, 0.2);
}

.achieve-year {
  font-size: .7rem;
  color: var(--text-faint);
}

.achieve-icon-title {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 12px;
}
.achieve-icon-box {
  width: 46px;
  height: 46px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.4rem;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.1);
  flex-shrink: 0;
  transition: transform .3s ease;
}
.achieve-card:hover .achieve-icon-box {
  transform: scale(1.1) rotate(6deg);
}
.achieve-box-swadeshi { border-color: rgba(0, 255, 136, 0.3); background: rgba(0, 255, 136, 0.08); }
.achieve-box-first { border-color: rgba(255, 215, 0, 0.35); background: rgba(255, 215, 0, 0.08); }
.achieve-box-national { border-color: rgba(0, 229, 255, 0.3); background: rgba(0, 229, 255, 0.08); }
.achieve-box-runner { border-color: rgba(180, 120, 255, 0.3); background: rgba(180, 120, 255, 0.08); }

.achieve-card-title {
  font-family: 'Syne', sans-serif;
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--text);
  line-height: 1.25;
  margin-bottom: 3px;
}
.achieve-org {
  font-size: .76rem;
  color: var(--text-muted);
}

.achieve-desc {
  font-size: .84rem;
  line-height: 1.6;
  color: var(--text-muted);
  margin-bottom: 16px;
  flex: 1;
}
.achieve-desc strong {
  color: var(--text);
}

.achieve-tags {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
  margin-top: auto;
}
.achieve-tag {
  font-family: 'JetBrains Mono', monospace;
  font-size: .65rem;
  padding: 3px 9px;
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.08);
  color: var(--text-faint);
}

/* ============================================
   INDIE — vertical journey rail (builder accent)
   ============================================ */
.indie-journey-v {
  display: flex; gap: 18px; max-width: 900px;
  margin: 18px auto 0; padding: 0 5%; align-items: stretch;
}
.indie-v-rail { display: flex; flex-direction: column; align-items: center; padding-top: 8px; flex-shrink: 0; }
.indie-v-line {
  width: 2px; flex: 1; min-height: 200px;
  background: linear-gradient(180deg, var(--accent-builder), rgba(255,51,102,.12));
  border-radius: 2px; position: relative;
}
.indie-v-line::after {
  content: ''; position: absolute; inset: 0; border-radius: 2px;
  background: linear-gradient(180deg, var(--accent-builder), rgba(255,51,102,.5));
  transform-origin: top center;
  transform: scaleY(var(--rail-fill, 0));
  box-shadow: 0 0 10px rgba(255,51,102,.45);
}
.indie-v-dot {
  width: 12px; height: 12px; border-radius: 50%;
  background: var(--bg); border: 2px solid var(--accent-builder);
  box-shadow: 0 0 12px rgba(255,51,102,.6);
}
.indie-v-cards { display: flex; flex-direction: column; gap: 14px; flex: 1; min-width: 0; }
.indie-v-cards .h-card { width: 100%; max-width: 100%; flex: initial; }
.indie-v-arrow {
  text-align: center; color: var(--accent-builder);
  font-size: 1rem; line-height: 1; opacity: .8;
  text-shadow: 0 0 10px rgba(255,51,102,.6);
}
@media (max-width: 640px) {
  .indie-journey-v { gap: 12px; }
  .college-tab { font-size: .64rem; padding: 6px 12px; }
}

/* College panel content cascades (re-run on every tab switch) */
@media (prefers-reduced-motion: no-preference) {
  .college-tab.active { animation: pop-in .28s cubic-bezier(.2, 1.6, .4, 1); }
  .college-panel.active .college-viit-card { animation: panel-in .45s ease backwards; }
  .college-panel.active .viit-stat:nth-child(1) { animation: panel-in .4s ease .12s backwards; }
  .college-panel.active .viit-stat:nth-child(2) { animation: panel-in .4s ease .24s backwards; }
  .college-panel.active .viit-stat:nth-child(3) { animation: panel-in .4s ease .36s backwards; }
  .college-panel.active .clubs-heading { animation: panel-in .4s ease backwards; }
  .college-panel.active .club-item:nth-child(1) { animation: panel-in .4s ease .08s backwards; }
  .college-panel.active .club-item:nth-child(2) { animation: panel-in .4s ease .16s backwards; }
  .college-panel.active .club-item:nth-child(3) { animation: panel-in .4s ease .24s backwards; }
  .college-panel.active .club-item:nth-child(4) { animation: panel-in .4s ease .32s backwards; }
  .college-panel.active .club-item:nth-child(5) { animation: panel-in .4s ease .40s backwards; }
  .college-panel.active .club-item:nth-child(6) { animation: panel-in .4s ease .48s backwards; }
  .college-panel.active .gandharva-card { animation: panel-in .45s ease .6s backwards; }
  .college-panel.active .research-card { animation: panel-in .45s ease .1s backwards; }
  .college-panel.active .patent-card:nth-child(1) { animation: panel-in .4s ease .12s backwards; }
  .college-panel.active .patent-card:nth-child(2) { animation: panel-in .4s ease .24s backwards; }
  .college-panel.active .achieve-heading-row { animation: panel-in .4s ease backwards; }
  .college-panel.active .achieve-card:nth-child(1) { animation: panel-in .45s ease .08s backwards; }
  .college-panel.active .achieve-card:nth-child(2) { animation: panel-in .45s ease .16s backwards; }
  .college-panel.active .achieve-card:nth-child(3) { animation: panel-in .45s ease .24s backwards; }
  .college-panel.active .achieve-card:nth-child(4) { animation: panel-in .45s ease .32s backwards; }
}

/* ============================================
   DV PROJECTS — horizontal storytelling stage
   ============================================ */
.hstory { position: relative; height: 320vh; }
.hstory-sticky {
  position: sticky; top: 0; height: 100vh; height: 100svh;
  overflow: hidden; display: flex; flex-direction: column; justify-content: center;
  --glow-rgb: 0,255,136;
}
.hstory-sticky::before {
  content: ''; position: absolute; inset: 0; pointer-events: none; z-index: 0;
  background: radial-gradient(58% 46% at 50% 55%, rgba(var(--glow-rgb), .07), transparent 72%);
}
.hstory-hud {
  position: absolute; top: 78px; left: 0; right: 0; padding: 0 5%;
  display: flex; align-items: center; gap: 14px; z-index: 4;
}
.hstory-step {
  font-size: .66rem; color: var(--accent-silicon);
  letter-spacing: .1em; white-space: nowrap;
}
.hstory-progress {
  flex: 1; height: 3px; border-radius: 2px;
  background: rgba(0,255,136,.12); overflow: hidden;
}
.hstory-progress span {
  display: block; height: 100%; width: 0%; border-radius: 2px;
  background: linear-gradient(90deg, var(--accent-silicon), rgba(var(--glow-rgb), .9));
  box-shadow: 0 0 10px rgba(0,255,136,.5);
}
.hstory-track {
  position: relative; z-index: 1;
  display: flex; align-items: center; gap: 26px;
  padding: 0 max(6vw, 40px); height: 100%;
  will-change: transform;
}
.hstory-panel { position: relative; flex: none; width: min(78vw, 720px); }
.hstory-intro, .hstory-outro {
  background: var(--surface-glass); border: 1px dashed rgba(0,255,136,.25);
  border-radius: var(--radius); padding: 44px 40px; overflow: hidden;
}
.hs-ghost {
  position: absolute; right: 6%; top: 4%; pointer-events: none;
  font-size: clamp(4rem, 11vw, 8rem); font-weight: 800; line-height: 1;
  color: transparent; -webkit-text-stroke: 1px rgba(0,255,136,.22);
  font-family: 'Syne', sans-serif;
}
.hs-kicker {
  font-size: .68rem; color: var(--accent-silicon);
  letter-spacing: .12em; text-transform: uppercase; margin-bottom: 14px;
}
.hs-title {
  font-family: 'Syne', sans-serif; font-weight: 800;
  font-size: clamp(1.5rem, 3.4vw, 2.4rem); line-height: 1.15;
  letter-spacing: -.02em; color: var(--text); max-width: 80%;
}
.hs-em { color: var(--accent-silicon); }
.hs-sub { margin-top: 18px; font-size: .68rem; color: var(--text-faint); }
.hs-wave { display: flex; align-items: center; gap: 5px; height: 84px; margin-top: 26px; }
.hs-wave span {
  flex: 1 1 0; max-width: 14px; height: var(--h, 50%); border-radius: 3px;
  transform-origin: center;
  background: linear-gradient(180deg, var(--accent-silicon), rgba(0,255,136,.12));
}
.hs-cta { display: flex; gap: 10px; flex-wrap: wrap; margin-top: 24px; }
.hstory-controls {
  position: absolute; bottom: 26px; left: 50%; transform: translateX(-50%);
  display: flex; align-items: center; gap: 12px; z-index: 4;
}
.hstory-btn {
  width: 38px; height: 38px; border-radius: 50%;
  border: 1px solid var(--border); background: var(--surface);
  color: var(--text-muted); font-size: 1.1rem; cursor: pointer;
  transition: all var(--transition);
}
.hstory-btn:hover {
  border-color: var(--accent-silicon); color: var(--accent-silicon);
  box-shadow: var(--shadow-glow-silicon);
}
.hstory-dots { display: flex; gap: 8px; }
.hstory-dot {
  width: 9px; height: 9px; border-radius: 6px; border: none; padding: 0;
  background: var(--text-faint); opacity: .6; cursor: pointer;
  transition: all .35s ease;
}
.hstory-dot.active {
  width: 26px; opacity: 1; background: var(--accent-silicon);
  box-shadow: 0 0 10px rgba(0,255,136,.6);
}
@media (max-width: 768px) {
  .hstory-hud { top: 66px; }
  .hstory-track { gap: 16px; padding: 0 5%; }
  .hstory-panel { width: min(86vw, 560px); }
  .hstory-intro, .hstory-outro { padding: 28px 24px; }
  .hs-title { max-width: 100%; }
  .hstory-controls { bottom: 68px; }
}
@keyframes panel-pop {
  from { opacity: 0; transform: translateY(22px); }
  to { opacity: 1; transform: none; }
}
@keyframes tag-pop {
  from { opacity: 0; transform: scale(.7); }
  to { opacity: 1; transform: none; }
}
@keyframes ghost-in {
  from { opacity: 0; transform: translateX(60px) rotate(6deg); }
  to { opacity: 1; transform: none; }
}
@keyframes wf-dance {
  0%, 100% { transform: scaleY(.35); opacity: .65; }
  50% { transform: scaleY(1); opacity: 1; }
}

/* Horizontal story motion (gated) */
@media (prefers-reduced-motion: no-preference) {
  .hs-wave span {
    animation: wf-dance 1.4s ease-in-out infinite;
    animation-delay: calc(var(--i, 0) * 65ms);
  }
  .hstory-panel.active .hs-ghost { animation: ghost-in .7s cubic-bezier(.2, .8, .25, 1) backwards; }
  .hstory-intro.active .hs-kicker { animation: panel-pop .55s cubic-bezier(.2, .8, .25, 1) backwards; }
  .hstory-intro.active .hs-title { animation: panel-pop .55s cubic-bezier(.2, .8, .25, 1) .1s backwards; }
  .hstory-intro.active .hs-wave { animation: panel-pop .55s cubic-bezier(.2, .8, .25, 1) .2s backwards; }
  .hstory-intro.active .hs-sub { animation: panel-pop .55s cubic-bezier(.2, .8, .25, 1) .3s backwards; }
  .hstory-outro.active .hs-kicker { animation: panel-pop .55s cubic-bezier(.2, .8, .25, 1) backwards; }
  .hstory-outro.active .hs-title { animation: panel-pop .55s cubic-bezier(.2, .8, .25, 1) .1s backwards; }
  .hstory-outro.active .hs-sub { animation: panel-pop .55s cubic-bezier(.2, .8, .25, 1) .2s backwards; }
  .hstory-outro.active .hs-cta { animation: panel-pop .55s cubic-bezier(.2, .8, .25, 1) .3s backwards; }

  .hstory-panel.active .project-report { animation: panel-pop .5s cubic-bezier(.2, .8, .25, 1) backwards; }
  .hstory-panel.active .project-badge { animation: panel-pop .5s cubic-bezier(.2, .8, .25, 1) .08s backwards; }
  .hstory-panel.active .project-card-title { animation: panel-pop .5s cubic-bezier(.2, .8, .25, 1) .16s backwards; }
  .hstory-panel.active .project-card-desc { animation: panel-pop .5s cubic-bezier(.2, .8, .25, 1) .24s backwards; }
  .hstory-panel.active .project-card-tags span { animation: tag-pop .38s cubic-bezier(.2, 1.5, .4, 1) backwards; }
  .hstory-panel.active .project-card-tags span:nth-child(1) { animation-delay: .30s; }
  .hstory-panel.active .project-card-tags span:nth-child(2) { animation-delay: .36s; }
  .hstory-panel.active .project-card-tags span:nth-child(3) { animation-delay: .42s; }
  .hstory-panel.active .project-card-tags span:nth-child(4) { animation-delay: .48s; }
  .hstory-panel.active .project-card-tags span:nth-child(5) { animation-delay: .54s; }
  .hstory-panel.active .project-card-actions { animation: panel-pop .5s cubic-bezier(.2, .8, .25, 1) .6s backwards; }
}

/* ============================================
   STORY: interactive case notes + generic cascade
   ============================================ */
.hs-toggle {
  margin-top: 16px; background: transparent;
  border: 1px dashed rgba(0,255,136,.35); color: var(--accent-silicon);
  font-size: .66rem; letter-spacing: .04em; padding: 6px 14px;
  border-radius: 18px; cursor: pointer; transition: all var(--transition);
}
.hs-toggle:hover {
  background: rgba(0,255,136,.08); border-style: solid;
  box-shadow: var(--shadow-glow-silicon);
}
.hs-more {
  max-height: 0; overflow: hidden; opacity: 0;
  transition: max-height .45s ease, opacity .3s ease, margin-top .35s ease;
}
.hstory-panel.open .hs-more { max-height: 200px; opacity: 1; margin-top: 12px; }
.hs-more-label {
  display: inline-block; font-size: .58rem; letter-spacing: .14em;
  color: var(--accent-silicon); margin-bottom: 6px;
}
.hs-more p { font-size: .8rem; line-height: 1.65; color: var(--text-muted); }

/* leftover connectors from the old vertical indie rail */
.hstory-track .indie-v-arrow { display: none; }

@media (prefers-reduced-motion: no-preference) {
  .hstory-panel.active > *:not(.hs-ghost):not(.hs-toggle):not(.hs-more) {
    animation: panel-pop .5s cubic-bezier(.2, .8, .25, 1) backwards;
  }
  .hstory-panel.active > *:nth-child(1) { animation-delay: 0s; }
  .hstory-panel.active > *:nth-child(2) { animation-delay: .07s; }
  .hstory-panel.active > *:nth-child(3) { animation-delay: .14s; }
  .hstory-panel.active > *:nth-child(4) { animation-delay: .21s; }
  .hstory-panel.active > *:nth-child(5) { animation-delay: .28s; }
  .hstory-panel.active > *:nth-child(6) { animation-delay: .35s; }
  .hstory-panel.active > *:nth-child(7) { animation-delay: .42s; }
  .hstory-panel.active > *:nth-child(8) { animation-delay: .49s; }
}

/* ============================================
   SCROLL FX — rail, parallax, spotlight, waves
   ============================================ */
body { --vel: 0; --velglow: 0; --hero-y: 0px; --hero-fade: 0; }

/* --- Global scroll rail (section index) --- */
#scroll-rail {
  position: fixed; left: 14px; right: auto; top: 50%; transform: translateY(-50%);
  width: auto; height: auto; padding: 0;
  background: transparent !important; backdrop-filter: none !important; box-shadow: none !important;
  z-index: 95; display: flex; align-items: center; gap: 10px;
  pointer-events: none; opacity: 0; transition: opacity .4s ease;
}
#scroll-rail.ready { opacity: 1; }
.rail-line {
  position: relative; width: 2px; height: 46vh; border-radius: 2px;
  background: rgba(255,255,255,.09); display: block;
}
.rail-line i {
  position: absolute; left: 0; top: 0; width: 100%; height: 0%;
  background: linear-gradient(180deg, var(--accent-silicon), var(--accent-builder));
  border-radius: 2px; box-shadow: 0 0 8px rgba(0,255,136,.5);
}
.rail-line b {
  position: absolute; left: 50%; top: 0; width: 8px; height: 8px;
  margin: -4px 0 0 -4px; border-radius: 50%;
  background: #d8ffe9; box-shadow: 0 0 12px 2px rgba(0,255,136,.85);
}
.rail-ticks { display: flex; flex-direction: column; gap: 12px; pointer-events: auto; }
.rail-tick {
  width: 22px; height: 12px; padding: 0; border: none; cursor: pointer;
  background: transparent; display: flex; align-items: center; gap: 6px;
}
.rail-tick::before {
  content: ''; width: 7px; height: 7px; border-radius: 50%;
  background: rgba(255,255,255,.22);
  transition: all .3s cubic-bezier(.2, 1.4, .4, 1);
}
.rail-tick span {
  font-family: 'JetBrains Mono', monospace; font-size: .55rem;
  letter-spacing: .1em; color: var(--text-faint); opacity: 0;
  white-space: nowrap; transition: opacity .3s ease;
}
.rail-tick:hover span { opacity: 1; }
.rail-tick:hover::before { background: var(--accent-silicon); }
.rail-tick.on::before {
  background: var(--accent-silicon); transform: scale(1.5);
  box-shadow: 0 0 10px rgba(0,255,136,.8);
}
.rail-tick.on span { opacity: 1; color: var(--accent-silicon); }
@media (max-width: 1100px) { #scroll-rail { display: none; } }

/* --- Hero parallax (scroll-linked) --- */
.hero-content {
  transform: translate3d(0, var(--hero-y), 0) scale(calc(1 - var(--hero-fade) * .06));
  opacity: calc(1 - var(--hero-fade) * .85);
  will-change: transform, opacity;
}
.hero-photo-wrap { transform: translateY(calc(var(--hero-y) * -.35)); }

/* --- Scroll-velocity energy on story panels --- */
.hstory-panel {
  box-shadow: 0 0 calc(var(--velglow) * 46px) rgba(0, 255, 136, calc(var(--velglow) * .22));
}
.hstory-panel.active { border-color: rgba(0,255,136,calc(.25 + var(--velglow) * .5)); }

/* --- Experience card spotlight --- */
.exp-card.spot {
  border-color: rgba(0,255,136,.45);
  box-shadow: 0 0 34px rgba(0,255,136,.16);
}
.exp-card.spot .exp-card-title { color: var(--accent-silicon); }

/* --- Section label sweep when in view --- */
.section-stage-label { position: relative; }
.section-stage-label::after {
  content: ''; position: absolute; left: 5%; bottom: -8px; height: 1px; width: 0;
  background: linear-gradient(90deg, var(--accent-silicon), transparent);
}

/* --- Title decode flash --- */
.section-title.decoding { letter-spacing: .02em; color: var(--accent-silicon); }

/* --- College tab auto-scan --- */
.college-tab.scanning { animation: tab-scan 1.1s ease; }

/* --- Contact ambient waveform --- */
.contact-wave {
  display: flex; align-items: center; gap: 5px; height: 54px;
  margin: 26px auto 0; max-width: 520px; opacity: .8;
}
.contact-wave span {
  flex: 1 1 0; height: var(--h, 50%); border-radius: 3px;
  transform-origin: center;
  background: linear-gradient(180deg, var(--accent-silicon), rgba(0,255,136,.08));
}

@keyframes tab-scan {
  0% { box-shadow: 0 0 0 rgba(0,255,136,0); }
  40% { box-shadow: 0 0 18px rgba(0,255,136,.55); color: var(--accent-silicon); }
  100% { box-shadow: 0 0 0 rgba(0,255,136,0); }
}
@keyframes route-draw {
  from { background-position: -120% 0; opacity: .25; }
  to { background-position: 200% 0; opacity: 1; }
}

@media (prefers-reduced-motion: no-preference) {
  .section-stage-label.in-view::after {
    animation: label-sweep 1.4s cubic-bezier(.2, .8, .25, 1) forwards;
  }
  @keyframes label-sweep {
    from { width: 0; opacity: 0; }
    60% { opacity: 1; }
    to { width: 34%; opacity: .6; }
  }
  .contact-wave span {
    animation: wf-dance 1.6s ease-in-out infinite;
    animation-delay: calc(var(--i, 0) * 80ms);
  }
  html.js .footer-route.rv.in { animation: route-draw 1.3s ease .15s both; }
  html.js .exp-card.spot { transition: border-color .4s ease, box-shadow .4s ease; }
  .flip-card.reveal-in { animation: flip-in .7s cubic-bezier(.2, .8, .25, 1) backwards; }
  @keyframes flip-in {
    from { opacity: 0; transform: perspective(700px) rotateY(-14deg) translateY(18px); }
    to { opacity: 1; transform: perspective(700px) rotateY(0) translateY(0); }
  }
  .signal-burst i {
    position: fixed; width: 5px; height: 5px; border-radius: 50%;
    background: var(--accent-silicon); pointer-events: none; z-index: 94;
    box-shadow: 0 0 8px rgba(0,255,136,.8);
    animation: burst .9s cubic-bezier(.2, .7, .3, 1) forwards;
  }
  @keyframes burst {
    0% { transform: translate(-50%, -50%) scale(.4); opacity: 1; }
    100% { transform: translate(calc(-50% + var(--bx)), calc(-50% + var(--by))) scale(.1); opacity: 0; }
  }
}

/* --- Probe cursor (fine pointers only) --- */
@media (hover: hover) and (pointer: fine) {
  #probe-cursor { display: block; }
}
#probe-cursor { display: none; position: fixed; left: 0; top: 0; z-index: 300; pointer-events: none; }
#probe-cursor i {
  position: absolute; border-radius: 50%; background: var(--accent-silicon);
  box-shadow: 0 0 10px rgba(0,255,136,.9); transform: translate(-50%, -50%);
}
#probe-cursor i:nth-child(1) { width: 7px; height: 7px; opacity: .95; }
#probe-cursor i:nth-child(2) { width: 5px; height: 5px; opacity: .5; }
#probe-cursor i:nth-child(3) { width: 3px; height: 3px; opacity: .28; }

/* --- Skills focus: nucleus swells when the section is centred --- */
.skills-track-360.focused .orbit-center {
  transform: translate(-50%, -50%) scale(1.08);
}

/* Stage labels stay anchored in normal document flow */
.section-stage-label { transform: none !important; }

/* --- P4a: morphing nav pill --- */
.nav-pill {
  position: absolute; left: 0; top: 50%; height: calc(100% - 4px);
  transform: translate(0, -50%); width: 0; opacity: 0; pointer-events: none;
  border-radius: 20px; background: rgba(0, 255, 136, .1);
  border: 1px solid rgba(0, 255, 136, .32); z-index: -1;
  transition: transform .4s cubic-bezier(.2, .9, .3, 1), width .4s cubic-bezier(.2, .9, .3, 1), opacity .3s ease;
}

/* --- P4b: hero load bar (fills with scroll) --- */
.hero-load {
  display: flex; align-items: center; justify-content: center; gap: 10px;
  margin-top: 22px; font-size: .6rem; color: var(--text-faint); letter-spacing: .12em;
}
.hero-load-bar {
  width: min(240px, 46vw); height: 3px; border-radius: 2px;
  background: rgba(0, 255, 136, .12); overflow: hidden;
}
.hero-load-bar i {
  display: block; height: 100%; width: calc(var(--load-p, 0) * 100%);
  background: linear-gradient(90deg, var(--accent-silicon), rgba(0, 255, 136, .4));
  box-shadow: 0 0 8px rgba(0, 255, 136, .6);
  transition: width .15s linear;
}

/* --- P5: experience bullets + awards illuminate with the rail --- */
.exp-timeline .exp-card-points li { opacity: .45; transition: opacity .4s ease; }
.exp-timeline .exp-card-points li.lit { opacity: 1; }
.exp-timeline .exp-card-points li.lit::before { text-shadow: 0 0 10px rgba(0, 255, 136, .9); }
@media (prefers-reduced-motion: no-preference) {
  .exp-timeline .award-chip {
    opacity: .35; transform: scale(.94);
    transition: opacity .3s ease, transform .35s cubic-bezier(.2, 1.6, .4, 1);
  }
  .exp-timeline .award-chip.stamped { opacity: 1; transform: scale(1); }
}

/* --- P6: per-panel live mini-scene --- */
.hstory-scene {
  position: absolute; left: 4%; bottom: 92px; width: 240px; height: 120px;
  opacity: .5; pointer-events: none; z-index: 2;
}
@media (max-width: 1100px) { .hstory-scene { display: none; } }

/* --- P7: ambient world --- */
body::before {
  content: ''; position: fixed; inset: 0; pointer-events: none; z-index: 0;
  background: radial-gradient(70% 45% at 50% 38%, rgba(var(--tint-rgb, 0, 255, 136), .07), transparent 72%);
  transition: background .9s ease;
}
#warp-lines {
  position: fixed; inset: -10% 0; pointer-events: none;
  /* Behind all content: sections are static, so a z-index >= 0 layer here
     would paint over the stage labels and text. */
  z-index: -1;
  opacity: calc(var(--velabs, 0) * .55);
  background: repeating-linear-gradient(0deg, rgba(255, 255, 255, .055) 0 1px, transparent 1px 84px);
  transform: translateY(calc(var(--vel, 0) * -50px));
}
.contact-pulse {
  position: absolute; inset: 0; width: 100%; height: 100%;
  pointer-events: none; opacity: .45; z-index: 0;
}
.contact-inner > *:not(.contact-pulse) { position: relative; z-index: 1; }

/* --- P8: footer + college datasheet scan --- */
@media (prefers-reduced-motion: no-preference) {
  .footer-divider { animation: footer-pulse 4.5s ease-in-out infinite; }
  @keyframes footer-pulse {
    0%, 100% { box-shadow: 0 0 0 rgba(0, 255, 136, 0); opacity: .6; }
    50% { box-shadow: 0 0 26px rgba(0, 255, 136, .35); opacity: 1; }
  }
  #college.datasheet .clubs-list { position: relative; }
  #college.datasheet .clubs-list::after {
    content: ''; position: absolute; left: 0; right: 0; top: 0; height: 2px;
    background: linear-gradient(90deg, transparent, var(--accent-silicon), transparent);
    animation: ds-scan 2.8s linear infinite;
  }
  @keyframes ds-scan {
    0% { transform: translateY(0); opacity: 0; }
    10% { opacity: 1; }
    90% { opacity: 1; }
    100% { transform: translateY(100%); opacity: 0; }
  }
}

/* --- P3: circuit traces that draw with scroll --- */
#trace-layer { position: absolute; left: 0; top: 0; width: 100%; pointer-events: none; z-index: 0; opacity: .6; }
.trace { fill: none; stroke: rgba(0, 255, 136, .3); stroke-width: 1.2; stroke-linecap: round; stroke-linejoin: round; }
.trace-pulse { fill: var(--accent-silicon); filter: drop-shadow(0 0 4px rgba(0, 255, 136, .9)); }
@media (max-width: 1100px) { #trace-layer { display: none; } }

/* --- P1: lab stage pulses while scroll-driven --- */
@media (prefers-reduced-motion: no-preference) {
  .lab-stage.auto { animation: auto-scan 2.4s ease-in-out infinite; }
  @keyframes auto-scan {
    0%, 100% { box-shadow: 0 0 0 rgba(0, 255, 136, 0); }
    50% { box-shadow: 0 0 24px rgba(0, 255, 136, .35); }
  }
}

/* --- P2: builder stack assembles itself on scroll --- */
.stack-layer {
  transform: translateZ(calc(var(--p, 0) * 26px)) scale(calc(.93 + var(--p, 0) * .07));
  opacity: calc(.5 + var(--p, 0) * .5);
}
.layer-chips { transform: translateY(calc((1 - var(--p, 0)) * 10px)); }
.connector-line {
  transform: scaleX(var(--cp, .4));
  transform-origin: center;
  transition: transform .2s linear;
}