@import url('https://fonts.googleapis.com/css2?family=DM+Mono:ital,wght@0,400;0,500;1,400&family=Manrope:wght@400;500;600;700;800&family=Playfair+Display:ital,wght@0,500;0,600;1,500;1,600&family=Space+Grotesk:wght@400;500;600;700&display=swap');

/* ==========================================================================
   CSS CUSTOM PROPERTIES & DUAL THEME ENGINE
   ========================================================================== */
:root, [data-theme="dark"] {
  --night: #060e14;
  --night-2: #0a1822;
  --night-3: #102430;
  --night-glass: rgba(10, 24, 34, 0.78);
  --ink: #e6f1f4;
  --ink-secondary: #c0d3d8;
  --muted: #88a0a8;
  --dim: #446069;
  --line: rgba(154, 232, 220, 0.16);
  --line-bold: rgba(154, 232, 220, 0.32);
  --aqua: #7ee8d8;
  --aqua-glow: rgba(126, 232, 216, 0.25);
  --lime: #d2f882;
  --lime-glow: rgba(210, 248, 130, 0.22);
  --coral: #f89674;
  --blue-sat: #58a6ff;
  --card-bg: linear-gradient(145deg, rgba(16, 36, 48, 0.65), rgba(7, 18, 26, 0.82));
  --card-bg-hover: linear-gradient(145deg, rgba(22, 50, 66, 0.8), rgba(11, 27, 38, 0.92));
  --panel-bg: #091720;
  --sans: 'Manrope', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --mono: 'DM Mono', SFMono-Regular, Consolas, monospace;
  --serif: 'Playfair Display', Georgia, serif;
  --heading: 'Space Grotesk', 'Manrope', sans-serif;
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.35);
  --shadow-md: 0 8px 24px rgba(0, 0, 0, 0.45);
  --shadow-lg: 0 16px 40px rgba(0, 0, 0, 0.6);
  --transition-fast: 180ms cubic-bezier(0.16, 1, 0.3, 1);
  --transition-smooth: 280ms cubic-bezier(0.16, 1, 0.3, 1);
}

[data-theme="light"] {
  --night: #f5f9fa;
  --night-2: #e8f1f3;
  --night-3: #d9e6e9;
  --night-glass: rgba(245, 249, 250, 0.88);
  --ink: #0c1c24;
  --ink-secondary: #27434d;
  --muted: #59737c;
  --dim: #9cb1b8;
  --line: rgba(14, 80, 94, 0.16);
  --line-bold: rgba(14, 80, 94, 0.32);
  --aqua: #088b7d;
  --aqua-glow: rgba(8, 139, 125, 0.15);
  --lime: #528a00;
  --lime-glow: rgba(82, 138, 0, 0.15);
  --coral: #c84e2a;
  --blue-sat: #1a6fbf;
  --card-bg: linear-gradient(145deg, rgba(255, 255, 255, 0.95), rgba(238, 245, 247, 0.85));
  --card-bg-hover: linear-gradient(145deg, #ffffff, rgba(230, 241, 244, 0.95));
  --panel-bg: #e4edf0;
  --shadow-sm: 0 2px 8px rgba(12, 28, 36, 0.06);
  --shadow-md: 0 8px 20px rgba(12, 28, 36, 0.08);
  --shadow-lg: 0 16px 36px rgba(12, 28, 36, 0.12);
}

/* ==========================================================================
   RESET & GLOBAL STYLES
   ========================================================================== */
*, *::before, *::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  background-color: var(--night);
}

body {
  margin: 0;
  color: var(--ink);
  background-color: var(--night);
  background-image: 
    radial-gradient(circle at 82% 14%, rgba(14, 116, 144, 0.28) 0%, transparent 44rem),
    radial-gradient(circle at 12% 78%, rgba(5, 150, 105, 0.14) 0%, transparent 38rem),
    linear-gradient(var(--line) 1px, transparent 1px),
    linear-gradient(90deg, var(--line) 1px, transparent 1px);
  background-size: 100% 100%, 100% 100%, 64px 64px, 64px 64px;
  background-position: center center, center center, 0 0, 0 0;
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.6;
  overflow-x: hidden;
  transition: background-color var(--transition-smooth), color var(--transition-smooth);
}

a {
  color: inherit;
  text-decoration: none;
  cursor: pointer;
}

button {
  font-family: inherit;
  cursor: pointer;
  border: none;
  background: none;
}

#orbital-canvas {
  position: fixed;
  z-index: 1;
  right: 0;
  top: 0;
  width: 100%;
  height: 100vh;
  pointer-events: none;
  opacity: 0.85;
}

.grain {
  position: fixed;
  z-index: 2;
  inset: 0;
  opacity: 0.07;
  pointer-events: none;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 160 160' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.95' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='.36'/%3E%3C/svg%3E");
}

main, header, footer {
  position: relative;
  z-index: 3;
}

/* ==========================================================================
   SITE HEADER & NAVIGATION
   ========================================================================== */
.site-header {
  height: 84px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 clamp(20px, 4.5vw, 72px);
  border-bottom: 1px solid var(--line);
  background: var(--night-glass);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  position: sticky;
  top: 0;
  z-index: 100;
  transition: border-color var(--transition-fast), background-color var(--transition-smooth);
}

.wordmark {
  font: 600 0.82rem var(--mono);
  letter-spacing: 0.12em;
  display: flex;
  align-items: center;
  gap: 6px;
}

.wordmark-badge {
  font-size: 0.65rem;
  padding: 2px 6px;
  background: var(--aqua-glow);
  border: 1px solid var(--aqua);
  color: var(--aqua);
  border-radius: 3px;
  margin-left: 6px;
}

nav {
  display: flex;
  align-items: center;
  gap: clamp(16px, 2.2vw, 32px);
}

nav a {
  color: var(--ink-secondary);
  font: 500 0.74rem var(--mono);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  transition: color var(--transition-fast);
  position: relative;
  padding: 6px 0;
}

nav a:hover, nav a.active {
  color: var(--aqua);
}

nav a::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 1.5px;
  background: var(--aqua);
  transition: width var(--transition-fast);
}

nav a:hover::after, nav a.active::after {
  width: 100%;
}

.header-controls {
  display: flex;
  align-items: center;
  gap: 12px;
}

.cmd-k-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 12px;
  background: rgba(126, 232, 216, 0.08);
  border: 1px solid var(--line);
  border-radius: 4px;
  color: var(--ink-secondary);
  font: 500 0.68rem var(--mono);
  transition: all var(--transition-fast);
}

.cmd-k-btn:hover {
  border-color: var(--aqua);
  color: var(--aqua);
  background: var(--aqua-glow);
}

.cmd-k-btn kbd {
  background: var(--night-3);
  border: 1px solid var(--line);
  padding: 1px 5px;
  border-radius: 3px;
  font-size: 0.6rem;
  color: var(--aqua);
}

.theme-toggle-btn {
  width: 36px;
  height: 36px;
  border-radius: 4px;
  border: 1px solid var(--line);
  background: rgba(126, 232, 216, 0.06);
  color: var(--aqua);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.95rem;
  transition: all var(--transition-fast);
}

.theme-toggle-btn:hover {
  border-color: var(--aqua);
  background: var(--aqua-glow);
  transform: translateY(-1px);
}

.header-status {
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--ink-secondary);
  font: 500 0.7rem var(--mono);
  letter-spacing: 0.04em;
  padding: 6px 12px;
  background: rgba(210, 248, 130, 0.08);
  border: 1px solid rgba(210, 248, 130, 0.25);
  border-radius: 4px;
}

.header-status i {
  display: block;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--lime);
  box-shadow: 0 0 0 4px var(--lime-glow);
  animation: pulse-ring 2.4s infinite;
}

@keyframes pulse-ring {
  0% { box-shadow: 0 0 0 0 rgba(210, 248, 130, 0.4); }
  70% { box-shadow: 0 0 0 7px rgba(210, 248, 130, 0); }
  100% { box-shadow: 0 0 0 0 rgba(210, 248, 130, 0); }
}

/* ==========================================================================
   HERO SECTION & 3D EARTH GLOBE STAGE
   ========================================================================== */
.hero {
  min-height: calc(100vh - 84px);
  max-width: 1440px;
  margin: auto;
  padding: clamp(60px, 11vh, 130px) clamp(24px, 7vw, 110px) 60px;
  display: flex;
  align-items: center;
  position: relative;
  overflow: hidden;
}

.earth-3d-stage {
  position: absolute;
  z-index: 1;
  right: -3vw;
  top: 45%;
  width: min(58vw, 760px);
  aspect-ratio: 1;
  transform: translateY(-50%) rotateZ(-11deg);
  perspective: 1200px;
  transform-style: preserve-3d;
  pointer-events: auto;
  animation: earth-float 14s ease-in-out infinite alternate;
}

@keyframes earth-float {
  0% { transform: translateY(-52%) rotateZ(-13deg) scale(0.99); }
  50% { transform: translateY(-48%) rotateZ(-9deg) scale(1.015); }
  100% { transform: translateY(-52%) rotateZ(-13deg) scale(0.99); }
}

.earth-atmosphere {
  position: absolute;
  inset: 3%;
  border-radius: 50%;
  background: radial-gradient(circle at 42% 38%, transparent 58%, rgba(88, 166, 255, 0.2) 75%, rgba(126, 232, 216, 0.45) 90%, rgba(126, 232, 216, 0.9) 100%);
  box-shadow: 0 0 80px rgba(88, 166, 255, 0.4), 0 0 150px rgba(126, 232, 216, 0.25);
  pointer-events: none;
  z-index: 1;
  animation: atmosphere-pulse 4s ease-in-out infinite alternate;
}

@keyframes atmosphere-pulse {
  from { opacity: 0.85; transform: scale(0.99); }
  to { opacity: 1; transform: scale(1.02); }
}

.earth-sphere-wrap {
  position: relative;
  width: 100%;
  height: 100%;
  border-radius: 50%;
  transform-style: preserve-3d;
  cursor: grab;
  transition: transform 0.1s ease-out;
  user-select: none;
  -webkit-user-select: none;
  touch-action: none;
  z-index: 2;
  overflow: hidden;
  box-shadow: 0 0 60px rgba(0, 0, 0, 0.95);
}

.earth-sphere-wrap:active {
  cursor: grabbing;
}

/* Continuous Rotating Planetary Surface */
.earth-sphere-surface {
  position: absolute;
  inset: 0;
  border-radius: 50%;
  background-image: url('assets/nasa-blue-marble-texture.png');
  background-size: auto 100%;
  background-repeat: repeat-x;
  background-position: 0 0;
  box-shadow: inset 0 0 50px rgba(0, 0, 0, 0.85);
  pointer-events: none;
  z-index: 1;
}

/* Original NASA Photo Cloud Layer with Atmospheric Drift */
.earth-cloud-layer {
  position: absolute;
  inset: 0;
  border-radius: 50%;
  background-image: url('assets/nasa-blue-marble-globe.jpg');
  background-size: cover;
  background-position: center;
  mix-blend-mode: screen;
  opacity: 0.68;
  pointer-events: none;
  z-index: 2;
  animation: clouds-drift 32s ease-in-out infinite alternate;
}

@keyframes clouds-drift {
  0% { transform: scale(1) rotate(0deg); opacity: 0.64; }
  50% { transform: scale(1.018) rotate(1.5deg); opacity: 0.76; }
  100% { transform: scale(1) rotate(-1deg); opacity: 0.66; }
}

.earth-3d-shading {
  position: absolute;
  inset: 0;
  border-radius: 50%;
  pointer-events: none;
  z-index: 3;
  /* Volumetric 3D Spherical Shading & Dynamic Sun Glint */
  background: radial-gradient(circle at var(--sunX, 36%) var(--sunY, 32%), rgba(255, 255, 255, 0.45) 0%, rgba(255, 255, 255, 0.08) 25%, transparent 50%),
              linear-gradient(135deg, transparent 40%, rgba(3, 10, 16, 0.72) 75%, rgba(1, 4, 8, 0.96) 96%);
  box-shadow: 
    inset -38px -38px 75px rgba(1, 4, 8, 0.96),
    inset 22px 22px 50px rgba(126, 232, 216, 0.38),
    0 0 50px rgba(88, 166, 255, 0.35),
    0 0 110px rgba(126, 232, 216, 0.22);
}

#earth-globe {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  display: block;
  border-radius: 50%;
  pointer-events: none;
  z-index: 4;
  opacity: 0;
  transition: opacity 0.6s ease;
}

#earth-globe.ready {
  opacity: 0.96;
}

.geo-grid-hud {
  position: absolute;
  top: 100px;
  left: clamp(24px, 7vw, 110px);
  display: flex;
  gap: 18px;
  font: 500 0.62rem var(--mono);
  color: var(--dim);
  letter-spacing: 0.12em;
  pointer-events: none;
  z-index: 3;
}

.geo-grid-hud span {
  display: flex;
  align-items: center;
  gap: 6px;
}

.geo-grid-hud span::before {
  content: '+';
  color: var(--aqua);
}

/* 3D Orbit Ring around Earth */
.orbit-ring-3d {
  position: absolute;
  inset: -12%;
  border: 1px dashed rgba(126, 232, 216, 0.28);
  border-radius: 50%;
  transform: rotateX(68deg) rotateY(-24deg);
  pointer-events: none;
  z-index: 3;
  animation: orbit-spin 26s linear infinite;
}

.orbit-sat-3d {
  position: absolute;
  top: -8px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  align-items: center;
  gap: 4px;
}

.orbit-sat-3d .sat-body {
  width: 10px;
  height: 10px;
  background: var(--lime);
  border: 1px solid #ffffff;
  border-radius: 2px;
  box-shadow: 0 0 12px var(--lime);
}

.orbit-sat-3d .sat-panel {
  width: 12px;
  height: 5px;
  background: var(--blue-sat);
  border: 1px solid rgba(255, 255, 255, 0.6);
  border-radius: 1px;
}

.orbit-sat-3d .sat-tag {
  position: absolute;
  top: 14px;
  left: 50%;
  transform: translateX(-50%);
  font: 700 0.58rem var(--mono);
  color: var(--lime);
  background: rgba(6, 14, 20, 0.85);
  border: 1px solid var(--line);
  padding: 2px 6px;
  border-radius: 3px;
  white-space: nowrap;
}

@keyframes orbit-spin {
  from { transform: rotateX(68deg) rotateY(-24deg) rotateZ(0deg); }
  to { transform: rotateX(68deg) rotateY(-24deg) rotateZ(360deg); }
}

/* 3D Earth Mode Switcher */
.earth-mode-toggle {
  display: flex;
  gap: 4px;
  background: var(--night-3);
  padding: 3px;
  border-radius: 4px;
  border: 1px solid var(--line);
  margin-top: 10px;
}

.earth-mode-btn {
  flex: 1;
  padding: 5px 8px;
  font: 600 0.62rem var(--mono);
  color: var(--muted);
  border-radius: 3px;
  text-align: center;
  transition: all var(--transition-fast);
}

.earth-mode-btn.active, .earth-mode-btn:hover {
  background: var(--aqua-glow);
  color: var(--aqua);
  border: 1px solid var(--aqua);
}

.hero-copy {
  position: relative;
  z-index: 4;
  max-width: 660px;
}

.eyebrow, .micro-label, .section-label p, .project-topline, .project-kicker, .tag-row, .meta-pill {
  margin: 0;
  font: 500 0.68rem var(--mono);
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.eyebrow {
  color: var(--aqua);
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 20px;
  background: var(--aqua-glow);
  padding: 4px 10px;
  border-radius: 3px;
  border: 1px solid var(--line);
}

h1, h2, h3, h4, p {
  margin-top: 0;
}

h1, h2 {
  font-family: var(--heading);
  font-weight: 600;
  letter-spacing: -0.04em;
  line-height: 1.02;
}

h1 {
  font-size: clamp(3.2rem, 6.8vw, 6.4rem);
  margin-bottom: 24px;
}

h1 em, h2 em {
  font-family: var(--serif);
  font-style: italic;
  font-weight: 500;
  color: var(--aqua);
}

.hero-intro {
  max-width: 530px;
  font-size: 1.08rem;
  line-height: 1.75;
  color: var(--ink-secondary);
  margin-bottom: 34px;
}

.hero-actions {
  display: flex;
  align-items: center;
  gap: 20px;
  flex-wrap: wrap;
}

.button {
  min-height: 48px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  padding: 0 24px;
  font: 700 0.78rem var(--mono);
  letter-spacing: 0.04em;
  border-radius: 4px;
  transition: all var(--transition-fast);
  cursor: pointer;
}

.button.primary {
  background: var(--aqua);
  color: #071922;
  box-shadow: 0 4px 16px var(--aqua-glow);
}

.button.primary:hover {
  transform: translateY(-2px);
  background: #9cf5e7;
  box-shadow: 0 8px 24px var(--aqua-glow);
}

.button.secondary {
  background: transparent;
  color: var(--ink);
  border: 1px solid var(--line-bold);
}

.button.secondary:hover {
  border-color: var(--aqua);
  color: var(--aqua);
  background: var(--aqua-glow);
  transform: translateY(-2px);
}

.text-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 10px 0;
  font: 600 0.78rem var(--mono);
  border-bottom: 1px solid var(--line-bold);
  color: var(--aqua);
  transition: border-color var(--transition-fast);
}

.text-link:hover {
  border-bottom-color: var(--aqua);
}

/* Globe Telemetry HUD & Hotspots */
.orbit-control {
  position: absolute;
  right: clamp(24px, 5vw, 90px);
  top: 18%;
  width: 250px;
  padding: 20px;
  background: var(--night-glass);
  border: 1px solid var(--line);
  border-left: 3px solid var(--aqua);
  border-radius: 4px;
  backdrop-filter: blur(10px);
  z-index: 4;
}

.orbit-control .micro-label {
  color: var(--aqua);
  display: flex;
  justify-content: space-between;
}

.orbit-data {
  margin: 12px 0;
}

.orbit-data span {
  display: block;
  color: var(--lime);
  font: 500 0.68rem var(--mono);
}

.orbit-data b {
  font-size: 0.94rem;
  line-height: 1.35;
  color: var(--ink);
}

.telemetry-row {
  display: flex;
  justify-content: space-between;
  font: 0.68rem var(--mono);
  color: var(--muted);
  padding: 4px 0;
  border-top: 1px dashed var(--line);
}

.telemetry-row strong {
  color: var(--aqua);
  font-weight: 500;
}

.hotspot-nav {
  margin-top: 14px;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.hotspot-nav span {
  font: 500 0.62rem var(--mono);
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.hotspot-btn {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 6px 10px;
  background: var(--night-3);
  border: 1px solid var(--line);
  border-radius: 3px;
  color: var(--ink-secondary);
  font: 500 0.68rem var(--mono);
  transition: all var(--transition-fast);
}

.hotspot-btn:hover, .hotspot-btn.active {
  border-color: var(--aqua);
  background: var(--aqua-glow);
  color: var(--aqua);
}

.globe-hint {
  font: 0.62rem var(--mono);
  color: var(--muted);
  margin-top: 10px;
  display: flex;
  align-items: center;
  gap: 6px;
}

.hero-index {
  display: flex;
  align-items: center;
  gap: 12px;
  position: absolute;
  z-index: 4;
  bottom: 36px;
  left: clamp(24px, 7vw, 110px);
  color: var(--muted);
  font: 500 0.65rem var(--mono);
  letter-spacing: 0.1em;
}

.hero-index div {
  height: 1px;
  width: 50px;
  background: var(--muted);
}

.hero-index b {
  color: var(--aqua);
}

.earth-credit {
  position: absolute;
  z-index: 4;
  right: clamp(24px, 5vw, 90px);
  bottom: 36px;
  color: var(--muted);
  font: 500 0.62rem var(--mono);
  letter-spacing: 0.06em;
  transition: color var(--transition-fast);
}

.earth-credit:hover {
  color: var(--aqua);
}

/* ==========================================================================
   METRICS & HIGHLIGHTS RIBBON
   ========================================================================== */
.impact-strip {
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  background: var(--card-bg);
  position: relative;
  z-index: 4;
}

.impact-grid {
  max-width: 1300px;
  margin: auto;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  divide-x: 1px solid var(--line);
}

.impact-item {
  padding: 30px clamp(16px, 3vw, 36px);
  border-right: 1px solid var(--line);
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.impact-item:last-child {
  border-right: none;
}

.impact-number {
  font-family: var(--heading);
  font-size: clamp(2.2rem, 3.4vw, 3.2rem);
  font-weight: 700;
  line-height: 1;
  color: var(--lime);
  letter-spacing: -0.04em;
}

.impact-title {
  font: 600 0.86rem var(--sans);
  color: var(--ink);
  margin: 0;
}

.impact-desc {
  font: 0.74rem var(--mono);
  color: var(--muted);
  margin: 0;
  line-height: 1.5;
}

/* ==========================================================================
   SHARED SECTION FRAMEWORK
   ========================================================================== */
.section-wrap {
  max-width: 1320px;
  margin: auto;
  padding: clamp(70px, 12vh, 130px) clamp(24px, 5vw, 64px);
  position: relative;
}

.section-label {
  display: flex;
  align-items: center;
  gap: 14px;
  color: var(--muted);
  margin-bottom: 36px;
}

.section-label span {
  color: var(--aqua);
  font: 600 0.76rem var(--mono);
  padding: 2px 8px;
  border: 1px solid var(--line-bold);
  border-radius: 3px;
  background: var(--aqua-glow);
}

.section-label p {
  margin: 0;
  font: 500 0.72rem var(--mono);
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.section-intro-split {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  gap: 40px;
  margin-bottom: 48px;
}

.section-intro-split h2 {
  font-size: clamp(2.4rem, 4.4vw, 4.2rem);
  max-width: 720px;
  margin: 0;
}

.section-intro-split p {
  max-width: 380px;
  font-size: 0.96rem;
  line-height: 1.7;
  color: var(--ink-secondary);
  margin: 0;
}

/* ==========================================================================
   INTERACTIVE RESEARCH LAB (CORE INNOVATION MODULE)
   ========================================================================== */
.lab-container {
  background: var(--card-bg);
  border: 1px solid var(--line-bold);
  border-radius: 8px;
  box-shadow: var(--shadow-lg);
  overflow: hidden;
}

.lab-tabs {
  display: flex;
  align-items: center;
  background: var(--panel-bg);
  border-bottom: 1px solid var(--line);
  padding: 0 16px;
  gap: 8px;
  overflow-x: auto;
}

.lab-tab-btn {
  padding: 16px 20px;
  font: 600 0.76rem var(--mono);
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--muted);
  border-bottom: 2px solid transparent;
  display: flex;
  align-items: center;
  gap: 10px;
  white-space: nowrap;
  transition: all var(--transition-fast);
}

.lab-tab-btn:hover {
  color: var(--ink);
}

.lab-tab-btn.active {
  color: var(--aqua);
  border-bottom-color: var(--aqua);
  background: rgba(126, 232, 216, 0.04);
}

.lab-tab-btn i {
  font-size: 0.95rem;
}

.lab-panel {
  display: none;
  padding: clamp(20px, 4vw, 44px);
}

.lab-panel.active {
  display: block;
}

/* Lab Panel 1: Environmental ML Simulator */
.simulator-layout {
  display: grid;
  grid-template-columns: 340px 1fr;
  gap: 36px;
}

.simulator-controls {
  background: var(--panel-bg);
  border: 1px solid var(--line);
  padding: 24px;
  border-radius: 6px;
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.control-header {
  border-bottom: 1px solid var(--line);
  padding-bottom: 12px;
}

.control-header h3 {
  font-size: 1.05rem;
  margin: 0 0 4px;
}

.control-header p {
  font: 0.68rem var(--mono);
  color: var(--muted);
  margin: 0;
}

.preset-scenarios {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.preset-scenarios span {
  font: 500 0.64rem var(--mono);
  color: var(--muted);
  text-transform: uppercase;
}

.preset-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.preset-chip {
  padding: 6px 10px;
  font: 500 0.66rem var(--mono);
  background: var(--night-3);
  border: 1px solid var(--line);
  border-radius: 4px;
  color: var(--ink-secondary);
  transition: all var(--transition-fast);
}

.preset-chip:hover, .preset-chip.active {
  border-color: var(--aqua);
  background: var(--aqua-glow);
  color: var(--aqua);
}

.slider-group {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.param-slider {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.param-label {
  display: flex;
  justify-content: space-between;
  font: 500 0.72rem var(--mono);
}

.param-label span {
  color: var(--ink-secondary);
}

.param-label strong {
  color: var(--lime);
}

.param-slider input[type="range"] {
  appearance: none;
  -webkit-appearance: none;
  width: 100%;
  height: 5px;
  background: var(--dim);
  border-radius: 3px;
  outline: none;
  cursor: pointer;
}

.param-slider input[type="range"]::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background: var(--aqua);
  cursor: pointer;
  box-shadow: 0 0 6px var(--aqua);
  transition: transform var(--transition-fast);
}

.param-slider input[type="range"]::-webkit-slider-thumb:hover {
  transform: scale(1.2);
}

/* Simulator Output Screen */
.simulator-screen {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.screen-topline {
  display: flex;
  justify-content: space-between;
  align-items: center;
  background: var(--panel-bg);
  border: 1px solid var(--line);
  padding: 16px 20px;
  border-radius: 6px;
}

.aqi-metric {
  display: flex;
  align-items: baseline;
  gap: 14px;
}

.aqi-metric .aqi-val {
  font-family: var(--heading);
  font-size: 2.8rem;
  font-weight: 800;
  line-height: 1;
  color: var(--lime);
}

.aqi-metric .aqi-status {
  padding: 4px 10px;
  border-radius: 3px;
  font: 700 0.68rem var(--mono);
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.aqi-status.good { background: rgba(82, 138, 0, 0.2); color: #8de838; border: 1px solid #8de838; }
.aqi-status.moderate { background: rgba(220, 180, 0, 0.2); color: #ffd644; border: 1px solid #ffd644; }
.aqi-status.unhealthy { background: rgba(248, 150, 116, 0.2); color: var(--coral); border: 1px solid var(--coral); }
.aqi-status.hazardous { background: rgba(230, 40, 80, 0.25); color: #ff5277; border: 1px solid #ff5277; }

.screen-telemetry {
  display: flex;
  gap: 20px;
  font: 0.7rem var(--mono);
  color: var(--muted);
}

.screen-telemetry div b {
  display: block;
  color: var(--ink);
  font-size: 0.82rem;
}

/* SVG Forecast Chart */
.chart-container {
  height: 280px;
  background: var(--panel-bg);
  border: 1px solid var(--line);
  border-radius: 6px;
  position: relative;
  padding: 16px;
}

.chart-container svg {
  width: 100%;
  height: 100%;
  overflow: visible;
}

.chart-who-line {
  stroke: var(--coral);
  stroke-dasharray: 4 4;
  stroke-width: 1.5;
  opacity: 0.7;
}

.chart-who-label {
  fill: var(--coral);
  font: 500 0.62rem var(--mono);
}

.chart-curve-path {
  fill: none;
  stroke: var(--aqua);
  stroke-width: 3;
  stroke-linecap: round;
  stroke-linejoin: round;
  filter: drop-shadow(0 0 6px var(--aqua-glow));
}

.chart-area-path {
  fill: url(#area-grad);
}

/* SHAP Feature Attribution */
.shap-container {
  background: var(--panel-bg);
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 18px 22px;
}

.shap-header {
  display: flex;
  justify-content: space-between;
  margin-bottom: 12px;
  font: 500 0.7rem var(--mono);
  color: var(--muted);
}

.shap-header strong {
  color: var(--aqua);
}

.shap-bars {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 14px;
}

.shap-bar-item {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.shap-bar-label {
  display: flex;
  justify-content: space-between;
  font: 0.68rem var(--mono);
  color: var(--ink-secondary);
}

.shap-track {
  height: 6px;
  background: var(--night-3);
  border-radius: 3px;
  overflow: hidden;
}

.shap-fill {
  height: 100%;
  background: var(--aqua);
  border-radius: 3px;
  transition: width 0.4s ease;
}

.shap-fill.coral { background: var(--coral); }
.shap-fill.lime { background: var(--lime); }
.shap-fill.blue { background: var(--blue-sat); }

/* Lab Panel 2: Multispectral Band Explorer */
.band-explorer-layout {
  display: grid;
  grid-template-columns: 1fr 340px;
  gap: 36px;
}

.band-viewer-card {
  background: var(--panel-bg);
  border: 1px solid var(--line);
  border-radius: 6px;
  overflow: hidden;
  display: flex;
  flex-direction: column;
}

.band-canvas-wrap {
  position: relative;
  width: 100%;
  aspect-ratio: 16 / 10;
  background: #02070a;
  overflow: hidden;
  cursor: crosshair;
}

#band-canvas {
  width: 100%;
  height: 100%;
  display: block;
}

.band-split-slider {
  position: absolute;
  top: 0;
  bottom: 0;
  width: 2px;
  background: var(--lime);
  box-shadow: 0 0 10px var(--lime);
  cursor: ew-resize;
  pointer-events: none;
}

.band-split-slider::before {
  content: '◂ ▸';
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  background: var(--night);
  border: 1px solid var(--lime);
  color: var(--lime);
  font: 700 0.64rem var(--mono);
  padding: 3px 6px;
  border-radius: 3px;
}

.band-overlay-hud {
  position: absolute;
  bottom: 12px;
  left: 12px;
  background: rgba(6, 14, 20, 0.85);
  border: 1px solid var(--line);
  padding: 6px 12px;
  border-radius: 4px;
  font: 0.65rem var(--mono);
  color: var(--aqua);
  backdrop-filter: blur(6px);
  pointer-events: none;
}

.band-mode-selector {
  padding: 16px;
  background: var(--night-3);
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  border-top: 1px solid var(--line);
}

.band-mode-chip {
  padding: 8px 14px;
  font: 600 0.72rem var(--mono);
  border: 1px solid var(--line);
  border-radius: 4px;
  background: var(--panel-bg);
  color: var(--ink-secondary);
  transition: all var(--transition-fast);
}

.band-mode-chip:hover, .band-mode-chip.active {
  border-color: var(--aqua);
  background: var(--aqua-glow);
  color: var(--aqua);
}

.band-inspector-sidebar {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.band-details-card, .spectral-curve-card {
  background: var(--panel-bg);
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 20px;
}

.band-details-card h4, .spectral-curve-card h4 {
  font-size: 0.96rem;
  margin: 0 0 10px;
  color: var(--aqua);
}

.band-details-card p {
  font-size: 0.8rem;
  line-height: 1.6;
  color: var(--ink-secondary);
  margin-bottom: 14px;
}

.formula-box {
  background: var(--night);
  border: 1px solid var(--line);
  padding: 8px 12px;
  border-radius: 4px;
  font: 500 0.72rem var(--mono);
  color: var(--lime);
}

.spec-list {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-top: 14px;
  border-top: 1px dashed var(--line);
  padding-top: 12px;
}

.spec-list div {
  display: flex;
  justify-content: space-between;
  font: 0.68rem var(--mono);
  color: var(--muted);
}

.spec-list div strong {
  color: var(--ink);
}

/* Lab Panel 3: Neural Pipeline Architecture */
.pipeline-flow {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  position: relative;
  margin-bottom: 30px;
}

.pipeline-node {
  background: var(--panel-bg);
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 22px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  cursor: pointer;
  transition: all var(--transition-fast);
  position: relative;
}

.pipeline-node:hover, .pipeline-node.active {
  border-color: var(--aqua);
  background: var(--card-bg-hover);
  transform: translateY(-3px);
  box-shadow: 0 8px 24px var(--aqua-glow);
}

.pipeline-node .node-step {
  font: 700 0.68rem var(--mono);
  color: var(--lime);
}

.pipeline-node h4 {
  font-size: 1.05rem;
  margin: 0;
  color: var(--ink);
}

.pipeline-node p {
  font-size: 0.78rem;
  color: var(--muted);
  line-height: 1.55;
  margin: 0;
}

.pipeline-node .tensor-pill {
  font: 500 0.65rem var(--mono);
  padding: 4px 8px;
  border-radius: 3px;
  background: var(--night-3);
  color: var(--aqua);
  border: 1px solid var(--line);
  align-self: flex-start;
}

.pipeline-inspector-panel {
  background: var(--panel-bg);
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 24px;
  border-left: 3px solid var(--lime);
}

.inspector-meta {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 12px;
}

.inspector-meta h3 {
  margin: 0;
  font-size: 1.25rem;
  color: var(--lime);
}

.inspector-body {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: 28px;
}

.inspector-body p {
  font-size: 0.88rem;
  line-height: 1.7;
  color: var(--ink-secondary);
}

.math-tensor-card {
  background: var(--night);
  border: 1px solid var(--line);
  padding: 16px;
  border-radius: 4px;
  font: 0.72rem var(--mono);
  color: var(--aqua);
  line-height: 1.6;
}

/* ==========================================================================
   PUBLICATIONS & RESEARCH PAPERS SECTION
   ========================================================================== */
.pub-filter-bar {
  display: flex;
  gap: 10px;
  margin-bottom: 36px;
  flex-wrap: wrap;
}

.pub-filter-btn {
  padding: 8px 16px;
  font: 600 0.72rem var(--mono);
  background: var(--panel-bg);
  border: 1px solid var(--line);
  border-radius: 4px;
  color: var(--muted);
  transition: all var(--transition-fast);
}

.pub-filter-btn:hover, .pub-filter-btn.active {
  border-color: var(--aqua);
  color: var(--aqua);
  background: var(--aqua-glow);
}

.publications-list {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.publication-card {
  background: var(--card-bg);
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 28px;
  transition: border-color var(--transition-fast), transform var(--transition-fast);
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.publication-card:hover {
  border-color: var(--line-bold);
  transform: translateY(-2px);
}

.pub-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 20px;
}

.pub-title-block h3 {
  font-size: 1.25rem;
  font-weight: 600;
  line-height: 1.35;
  margin: 0 0 8px;
  color: var(--ink);
}

.pub-authors {
  font: 0.8rem var(--mono);
  color: var(--muted);
}

.pub-authors strong {
  color: var(--aqua);
}

.pub-badge-stack {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-shrink: 0;
}

.pub-badge {
  padding: 4px 10px;
  border-radius: 3px;
  font: 700 0.62rem var(--mono);
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.pub-badge.working { background: rgba(210, 248, 130, 0.15); color: var(--lime); border: 1px solid var(--lime); }
.pub-badge.preprint { background: rgba(126, 232, 216, 0.15); color: var(--aqua); border: 1px solid var(--aqua); }
.pub-badge.thesis { background: rgba(88, 166, 255, 0.15); color: var(--blue-sat); border: 1px solid var(--blue-sat); }
.pub-badge.pedagogy { background: rgba(248, 150, 116, 0.15); color: var(--coral); border: 1px solid var(--coral); }

.pub-abstract {
  font-size: 0.88rem;
  line-height: 1.7;
  color: var(--ink-secondary);
  border-left: 2px solid var(--line);
  padding-left: 16px;
  margin: 0;
}

.pub-footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  padding-top: 14px;
  border-top: 1px solid var(--line);
  flex-wrap: wrap;
}

.pub-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.pub-tags span {
  font: 500 0.65rem var(--mono);
  padding: 3px 8px;
  border: 1px solid var(--line);
  border-radius: 3px;
  color: var(--muted);
}

.pub-actions {
  display: flex;
  align-items: center;
  gap: 12px;
}

.copy-bibtex-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 12px;
  border: 1px solid var(--line);
  border-radius: 4px;
  background: var(--panel-bg);
  color: var(--ink-secondary);
  font: 600 0.68rem var(--mono);
  transition: all var(--transition-fast);
}

.copy-bibtex-btn:hover {
  border-color: var(--aqua);
  color: var(--aqua);
  background: var(--aqua-glow);
}

/* ==========================================================================
   ACADEMIC PERSPECTIVE / ABOUT
   ========================================================================== */
.about-layout {
  display: grid;
  grid-template-columns: 0.85fr 1.3fr;
  gap: clamp(40px, 8vw, 120px);
  align-items: center;
}

.portrait-frame {
  position: relative;
  max-width: 320px;
}

.portrait-frame::before {
  content: '';
  position: absolute;
  inset: -14px 14px 14px -14px;
  border: 1px solid var(--line-bold);
  z-index: -1;
  border-radius: 4px;
}

.portrait-frame img {
  display: block;
  width: 100%;
  border-radius: 4px;
  filter: grayscale(100%) contrast(1.1);
  mix-blend-mode: luminosity;
  box-shadow: var(--shadow-md);
  transition: filter var(--transition-smooth);
}

.portrait-frame:hover img {
  filter: grayscale(40%) contrast(1.05);
}

.portrait-caption {
  display: flex;
  justify-content: space-between;
  margin-top: 16px;
  color: var(--muted);
  font: 0.64rem var(--mono);
  letter-spacing: 0.08em;
}

.about-copy h2 {
  font-size: clamp(2.4rem, 4.2vw, 3.8rem);
  margin-bottom: 24px;
}

.body-copy {
  max-width: 600px;
  color: var(--ink-secondary);
  font-size: 1.05rem;
  line-height: 1.8;
}

.fact-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  margin-top: 40px;
  border-top: 1px solid var(--line);
  padding-top: 26px;
}

.fact-grid article {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.fact-grid strong {
  font-family: var(--heading);
  font-size: 1.85rem;
  font-weight: 700;
  letter-spacing: -0.04em;
  color: var(--lime);
}

.fact-grid span {
  font-size: 0.74rem;
  line-height: 1.55;
  color: var(--muted);
}

/* ==========================================================================
   ACADEMIC TRAJECTORY, HONORS & EXPERIENCE BENTO
   ========================================================================== */
.records-grid {
  display: grid;
  grid-template-columns: 1.35fr 0.85fr;
  gap: 24px;
}

.records-panel {
  border: 1px solid var(--line);
  background: var(--card-bg);
  border-radius: 8px;
  padding: 30px;
  display: flex;
  flex-direction: column;
}

.records-title {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-bottom: 18px;
  border-bottom: 1px solid var(--line);
  margin-bottom: 12px;
}

.records-title p, .records-title span {
  margin: 0;
  font: 600 0.68rem var(--mono);
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.records-title p {
  color: var(--aqua);
}

.records-title span {
  color: var(--muted);
}

.record-row {
  display: grid;
  grid-template-columns: 120px 1fr 60px;
  gap: 18px;
  padding: 20px 0;
  border-bottom: 1px solid var(--line);
  align-items: flex-start;
}

.record-row:last-child {
  border-bottom: none;
  padding-bottom: 0;
}

.record-date {
  color: var(--lime);
  font: 600 0.68rem var(--mono);
  letter-spacing: 0.04em;
  line-height: 1.5;
  margin: 0;
}

.record-row h3 {
  font-size: 1.08rem;
  letter-spacing: -0.02em;
  margin: 0 0 6px;
  color: var(--ink);
}

.record-row h3 small {
  color: var(--aqua);
  font: 500 0.72rem var(--mono);
}

.record-row div > p {
  font-size: 0.78rem;
  line-height: 1.55;
  color: var(--muted);
  margin: 0;
}

.record-row div > span {
  display: inline-block;
  color: var(--lime);
  font: 600 0.68rem var(--mono);
  margin-top: 8px;
  background: rgba(210, 248, 130, 0.12);
  padding: 2px 8px;
  border-radius: 3px;
}

.record-row > b {
  color: var(--dim);
  font: 600 0.68rem var(--mono);
  text-align: right;
}

.record-row.active h3 {
  color: var(--aqua);
}

.experience-panel {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.role-mark {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 24px 0;
  color: var(--aqua);
  font: 600 1.6rem var(--mono);
  letter-spacing: -0.06em;
}

.role-mark i {
  height: 1px;
  flex: 1;
  background: linear-gradient(90deg, var(--aqua), transparent);
}

.role-content h3 {
  font-size: 1.65rem;
  color: var(--aqua);
  margin: 0 0 8px;
}

.role-content > p {
  font-size: 0.82rem;
  line-height: 1.6;
  color: var(--muted);
  margin: 0 0 16px;
}

.role-content > p span {
  color: var(--ink-secondary);
}

.role-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-top: 18px;
}

.role-tags span {
  border: 1px solid var(--line);
  padding: 5px 10px;
  color: var(--ink-secondary);
  font: 500 0.62rem var(--mono);
  border-radius: 3px;
  background: var(--night-3);
}

/* Honors & Awards Bento Sub-grid */
.honors-bento {
  margin-top: 24px;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}

.honor-card {
  background: var(--card-bg);
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 22px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  transition: transform var(--transition-fast), border-color var(--transition-fast);
}

.honor-card:hover {
  transform: translateY(-2px);
  border-color: var(--line-bold);
}

.honor-badge {
  font: 700 0.62rem var(--mono);
  color: var(--lime);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.honor-card h4 {
  font-size: 1.05rem;
  margin: 0;
  color: var(--ink);
}

.honor-card p {
  font-size: 0.74rem;
  line-height: 1.5;
  color: var(--muted);
  margin: 0;
}

/* ==========================================================================
   SELECTED WORK & SYSTEMS ARCHITECTURE
   ========================================================================== */
.project-grid {
  display: grid;
  grid-template-columns: 1.35fr 0.8fr 0.85fr;
  gap: 20px;
}

.project-card {
  border: 1px solid var(--line);
  background: var(--card-bg);
  border-radius: 8px;
  min-height: 480px;
  padding: 26px;
  display: flex;
  flex-direction: column;
  transition: transform var(--transition-smooth), border-color var(--transition-smooth);
}

.project-card:hover {
  transform: translateY(-6px);
  border-color: var(--line-bold);
  box-shadow: var(--shadow-md);
}

.project-topline {
  display: flex;
  justify-content: space-between;
  color: var(--muted);
  font-size: 0.65rem;
}

.project-topline span:last-child {
  color: var(--aqua);
}

.air-chart {
  height: 180px;
  margin: 24px 0 10px;
  position: relative;
  overflow: hidden;
  background: radial-gradient(ellipse at 20% 120%, var(--aqua-glow), transparent 60%);
  border-radius: 6px;
}

.chart-grid {
  position: absolute;
  inset: 0;
  background: linear-gradient(var(--line) 1px, transparent 1px), linear-gradient(90deg, var(--line) 1px, transparent 1px);
  background-size: 100% 40px, 70px 100%;
  opacity: 0.5;
}

.air-chart svg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  overflow: visible;
}

.air-chart path {
  stroke: var(--aqua);
  stroke-width: 2.5;
  stroke-dasharray: 1;
  stroke-dashoffset: 1;
  animation: draw 2.3s ease-out forwards;
}

.chart-pin {
  position: absolute;
  width: 8px;
  height: 8px;
  background: var(--lime);
  border: 2px solid var(--night);
  border-radius: 50%;
  box-shadow: 0 0 0 4px var(--lime-glow);
}

.pin-a { left: 20%; top: 44%; }
.pin-b { left: 61%; top: 27%; }
.pin-c { left: 82%; top: 40%; }

.project-body {
  margin-top: auto;
}

.project-kicker {
  color: var(--aqua);
  font-size: 0.65rem;
  margin-bottom: 8px;
}

.project-body h3 {
  font-size: 1.45rem;
  letter-spacing: -0.03em;
  margin-bottom: 12px;
  color: var(--ink);
}

.project-body > p {
  font-size: 0.78rem;
  line-height: 1.65;
  color: var(--muted);
  margin-bottom: 20px;
}

.tag-row {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  color: var(--ink-secondary);
  font-size: 0.62rem;
}

.tag-row span {
  border: 1px solid var(--line);
  padding: 5px 8px;
  border-radius: 3px;
  background: var(--night-3);
}

.code-surface, .wave-surface {
  height: 180px;
  margin: 24px 0;
  background: #091a22;
  border-radius: 6px;
  position: relative;
  overflow: hidden;
}

.code-surface {
  padding: 24px;
  color: var(--aqua);
  display: flex;
  flex-direction: column;
  gap: 8px;
  font: 0.78rem var(--mono);
}

.code-surface > span {
  position: absolute;
  right: 16px;
  top: 14px;
  color: var(--dim);
  font: 0.62rem var(--mono);
}

.code-surface code:nth-child(3) {
  color: var(--lime);
}

.code-surface i {
  color: var(--coral);
  font-style: normal;
}

.wave-surface {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 7px;
}

.wave-surface::after {
  content: 'AUDIO BUFFER / JMF';
  position: absolute;
  bottom: 12px;
  left: 16px;
  color: var(--dim);
  font: 0.6rem var(--mono);
  letter-spacing: 0.1em;
}

.wave-surface span {
  display: block;
  width: 7px;
  background: var(--aqua);
  border-radius: 3px;
  animation: wave 1.4s ease-in-out infinite;
}

.wave-surface span:nth-child(1), .wave-surface span:nth-child(9) { height: 20px; }
.wave-surface span:nth-child(2), .wave-surface span:nth-child(8) { height: 44px; animation-delay: 0.1s; }
.wave-surface span:nth-child(3), .wave-surface span:nth-child(7) { height: 75px; animation-delay: 0.2s; }
.wave-surface span:nth-child(4), .wave-surface span:nth-child(6) { height: 50px; animation-delay: 0.3s; }
.wave-surface span:nth-child(5) { height: 110px; background: var(--lime); animation-delay: 0.4s; }

/* ==========================================================================
   CAPABILITIES MATRIX
   ========================================================================== */
.capability-list {
  border-top: 1px solid var(--line);
}

.capability-list article {
  display: grid;
  grid-template-columns: 60px 1.2fr 1fr 200px;
  align-items: center;
  gap: 20px;
  border-bottom: 1px solid var(--line);
  padding: 24px 0;
  transition: all var(--transition-fast);
}

.capability-list article:hover {
  padding-left: 18px;
  background: var(--aqua-glow);
}

.capability-list span {
  color: var(--aqua);
  font: 600 0.72rem var(--mono);
}

.capability-list h3 {
  font-size: 1.15rem;
  letter-spacing: -0.02em;
  margin: 0;
  color: var(--ink);
}

.capability-list p {
  font-size: 0.78rem;
  line-height: 1.55;
  color: var(--muted);
  margin: 0;
  max-width: 320px;
}

.capability-list b {
  font: 600 0.65rem var(--mono);
  color: var(--lime);
  text-align: right;
}

/* ==========================================================================
   RESEARCH TRAJECTORY / CALLOUT
   ========================================================================== */
.trajectory-panel {
  background: linear-gradient(135deg, rgba(126, 232, 216, 0.12), rgba(210, 248, 130, 0.08));
  border: 1px solid var(--line-bold);
  border-radius: 8px;
  color: var(--ink);
  padding: clamp(36px, 5vw, 64px);
  display: grid;
  grid-template-columns: 0.95fr 1.05fr;
  gap: 60px;
  overflow: hidden;
  position: relative;
}

.trajectory-panel::after {
  content: 'IIITDM';
  position: absolute;
  font-family: var(--heading);
  font-size: 14vw;
  font-weight: 800;
  line-height: 0.8;
  letter-spacing: -0.08em;
  right: -0.02em;
  bottom: -0.08em;
  color: rgba(126, 232, 216, 0.04);
  pointer-events: none;
}

.trajectory-copy h2 {
  font-size: clamp(2.2rem, 3.6vw, 3.4rem);
  margin-bottom: 20px;
}

.trajectory-copy > p:last-child {
  font-size: 0.95rem;
  line-height: 1.75;
  color: var(--ink-secondary);
}

.trajectory-steps {
  display: flex;
  gap: 16px;
  align-items: flex-end;
}

.trajectory-steps div {
  padding: 16px 0;
  border-top: 1px solid var(--line-bold);
  flex: 1;
}

.trajectory-steps span {
  display: block;
  color: var(--aqua);
  font: 600 0.68rem var(--mono);
  margin-bottom: 24px;
}

.trajectory-steps b {
  font-size: 1.15rem;
  color: var(--ink);
}

.trajectory-steps p {
  color: var(--muted);
  font-size: 0.72rem;
  line-height: 1.5;
  margin: 6px 0 0;
}

/* ==========================================================================
   CONTACT SECTION
   ========================================================================== */
.contact-main {
  padding-left: clamp(0px, 8vw, 120px);
}

.contact h2 {
  max-width: 820px;
  margin-bottom: 28px;
}

.contact-email {
  font-family: var(--heading);
  font-size: clamp(1.4rem, 2.8vw, 2.4rem);
  letter-spacing: -0.03em;
  color: var(--aqua);
  border-bottom: 2px solid var(--line-bold);
  padding-bottom: 8px;
  display: inline-flex;
  align-items: center;
  gap: 12px;
  transition: all var(--transition-fast);
}

.contact-email:hover {
  border-bottom-color: var(--aqua);
  color: #9cf5e7;
  transform: translateX(4px);
}

.contact-meta {
  margin-top: 32px;
  color: var(--muted);
  font-size: 0.82rem;
  line-height: 1.9;
}

.contact-meta a {
  color: var(--ink-secondary);
  font-family: var(--mono);
  transition: color var(--transition-fast);
}

.contact-meta a:hover {
  color: var(--aqua);
}

/* ==========================================================================
   SITE FOOTER
   ========================================================================== */
footer {
  border-top: 1px solid var(--line);
  padding: 30px clamp(24px, 4.5vw, 72px);
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  color: var(--muted);
  font: 500 0.68rem var(--mono);
  letter-spacing: 0.05em;
  background: var(--night-2);
}

footer a {
  color: var(--aqua);
}

footer a:hover {
  text-decoration: underline;
}

/* ==========================================================================
   COMMAND PALETTE MODAL (CMD + K)
   ========================================================================== */
.cmd-modal-backdrop {
  position: fixed;
  inset: 0;
  z-index: 999;
  background: rgba(4, 10, 14, 0.8);
  backdrop-filter: blur(10px);
  display: none;
  align-items: flex-start;
  justify-content: center;
  padding-top: 14vh;
}

.cmd-modal-backdrop.open {
  display: flex;
}

.cmd-modal-window {
  width: min(620px, 92vw);
  background: var(--panel-bg);
  border: 1px solid var(--line-bold);
  border-radius: 8px;
  box-shadow: var(--shadow-lg);
  overflow: hidden;
  animation: modal-enter 0.2s cubic-bezier(0.16, 1, 0.3, 1);
}

@keyframes modal-enter {
  from { opacity: 0; transform: scale(0.96) translateY(-10px); }
  to { opacity: 1; transform: scale(1) translateY(0); }
}

.cmd-search-header {
  padding: 16px 20px;
  display: flex;
  align-items: center;
  gap: 12px;
  border-bottom: 1px solid var(--line);
}

.cmd-search-input {
  flex: 1;
  background: none;
  border: none;
  color: var(--ink);
  font: 500 0.95rem var(--sans);
  outline: none;
}

.cmd-search-input::placeholder {
  color: var(--muted);
}

.cmd-esc-badge {
  font: 500 0.65rem var(--mono);
  color: var(--muted);
  background: var(--night-3);
  padding: 3px 6px;
  border-radius: 3px;
  border: 1px solid var(--line);
}

.cmd-list-wrap {
  max-height: 380px;
  overflow-y: auto;
  padding: 10px;
}

.cmd-group-label {
  font: 700 0.6rem var(--mono);
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  padding: 8px 12px 4px;
}

.cmd-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 12px;
  border-radius: 5px;
  color: var(--ink-secondary);
  font: 500 0.82rem var(--sans);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.cmd-item:hover, .cmd-item.selected {
  background: var(--aqua-glow);
  color: var(--aqua);
}

.cmd-item span {
  display: flex;
  align-items: center;
  gap: 10px;
}

.cmd-item kbd {
  font: 500 0.62rem var(--mono);
  color: var(--muted);
  background: var(--night-3);
  padding: 2px 6px;
  border-radius: 3px;
  border: 1px solid var(--line);
}

/* ==========================================================================
   TOAST NOTIFICATION COMPONENT
   ========================================================================== */
.toast-container {
  position: fixed;
  bottom: 24px;
  right: 24px;
  z-index: 1000;
  display: flex;
  flex-direction: column;
  gap: 10px;
  pointer-events: none;
}

.toast {
  background: var(--panel-bg);
  border: 1px solid var(--aqua);
  color: var(--ink);
  padding: 12px 18px;
  border-radius: 4px;
  font: 500 0.78rem var(--mono);
  box-shadow: var(--shadow-lg);
  display: flex;
  align-items: center;
  gap: 10px;
  animation: toast-in 0.25s ease forwards;
}

@keyframes toast-in {
  from { opacity: 0; transform: translateY(12px); }
  to { opacity: 1; transform: translateY(0); }
}

/* ==========================================================================
   ANIMATIONS & KEYFRAMES
   ========================================================================== */
.reveal {
  animation: rise 0.75s both ease-out;
}

@keyframes rise {
  from { opacity: 0; transform: translateY(24px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes draw {
  to { stroke-dashoffset: 0; }
}

@keyframes wave {
  50% { transform: scaleY(0.45); opacity: 0.6; }
}

/* ==========================================================================
   RESPONSIVE DESIGN (TABLETS & MOBILE)
   ========================================================================== */
@media (max-width: 1024px) {
  .simulator-layout {
    grid-template-columns: 1fr;
  }
  .band-explorer-layout {
    grid-template-columns: 1fr;
  }
  .pipeline-flow {
    grid-template-columns: repeat(2, 1fr);
  }
  .impact-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .impact-item:nth-child(2) {
    border-right: none;
  }
  .impact-item:nth-child(1), .impact-item:nth-child(2) {
    border-bottom: 1px solid var(--line);
  }
  .honors-bento {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 900px) {
  .site-header {
    height: auto;
    min-height: 72px;
    padding-top: 14px;
    padding-bottom: 14px;
  }
  .header-status {
    display: none;
  }
  nav {
    gap: 14px;
  }
  .hero {
    min-height: 740px;
    padding-top: 100px;
    align-items: flex-start;
  }
  #earth-globe {
    right: -6vw;
    top: 42%;
    width: 74vw;
    opacity: 0.85;
  }
  .orbit-control {
    top: auto;
    right: 24px;
    bottom: 90px;
    width: 220px;
  }
  .records-grid {
    grid-template-columns: 1fr;
  }
  .project-grid {
    grid-template-columns: 1fr;
  }
  .capability-list article {
    grid-template-columns: 40px 1.2fr 1fr;
  }
  .capability-list b {
    display: none;
  }
}

@media (max-width: 620px) {
  .site-header {
    padding: 14px 16px;
  }
  .wordmark {
    font-size: 0.72rem;
  }
  .wordmark-badge {
    display: none;
  }
  nav {
    display: none; /* Accessible via Cmd+K button on mobile */
  }
  .hero {
    min-height: 700px;
    padding: 70px 18px 40px;
  }
  #earth-globe {
    top: 38%;
    right: -30vw;
    width: 95vw;
    opacity: 0.7;
  }
  .hero h1 {
    font-size: 3.2rem;
  }
  .hero-intro {
    font-size: 0.94rem;
  }
  .hero-actions {
    flex-direction: column;
    align-items: stretch;
  }
  .orbit-control {
    position: static;
    width: 100%;
    margin-top: 24px;
  }
  .hero-index, .earth-credit {
    display: none;
  }
  .impact-grid {
    grid-template-columns: 1fr;
  }
  .impact-item {
    border-right: none;
    border-bottom: 1px solid var(--line);
  }
  .section-wrap {
    padding: 64px 18px;
  }
  .section-intro-split {
    flex-direction: column;
    align-items: flex-start;
    gap: 16px;
  }
  .about-layout {
    grid-template-columns: 1fr;
  }
  .portrait-frame {
    max-width: 220px;
    margin: auto;
  }
  .fact-grid {
    grid-template-columns: 1fr;
    gap: 20px;
  }
  .record-row {
    grid-template-columns: 1fr;
    gap: 6px;
  }
  .record-row > b {
    text-align: left;
  }
  .trajectory-panel {
    grid-template-columns: 1fr;
    gap: 30px;
    padding: 30px 20px;
  }
  .trajectory-steps {
    flex-direction: column;
    align-items: stretch;
  }
  .pipeline-flow {
    grid-template-columns: 1fr;
  }
  .inspector-body {
    grid-template-columns: 1fr;
  }
  .shap-bars {
    grid-template-columns: 1fr 1fr;
  }
  footer {
    flex-direction: column;
    text-align: center;
    gap: 12px;
  }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}