/* styles.css — Rebuilt AP-OS v2.0 Premium Design System */

@import url('https://fonts.googleapis.com/css2?family=DM+Mono:wght@400;500&family=Syne:wght@500;600;700;800&family=DM+Sans:ital,wght@0,300;0,400;0,500;1,300&display=swap');

:root {
  /* Dark Void Theme (Default) */
  --bg-color: #05060B;
  --bg-secondary: #0b0d16;
  --card-bg: linear-gradient(158deg, rgba(26, 33, 54, 0.45), rgba(9, 12, 22, 0.32));
  --card-border: rgba(164, 184, 224, 0.14);
  --card-border-hover: rgba(190, 208, 240, 0.38);
  --text-primary: #E9EDF6;
  --text-secondary: #A9BBD9;
  --text-muted: rgba(214, 224, 242, 0.45);
  --accent-color: #CBD9F2;
  --accent-glow: rgba(203, 217, 242, 0.25);
  --cyber-maroon: #b91c1c;
  --cyber-maroon-glow: rgba(185, 28, 28, 0.2);
  --input-bg: rgba(26, 33, 54, 0.2);
  --input-border: rgba(164, 184, 224, 0.1);
  --input-focus: rgba(203, 217, 242, 0.5);
  --line-color: rgba(164, 184, 224, 0.08);

  --font-sans: 'DM Sans', system-ui, sans-serif;
  --font-display: 'Syne', sans-serif;
  --font-mono: 'DM Mono', monospace;
  --transition-speed: 0.3s;
  --r: 20px;
}

html.light {
  /* Light Theme (Multi-Tiered Gray & Space Silver) */
  --bg-color: #f3f4f6;
  --bg-secondary: #e5e7eb;
  --card-bg: linear-gradient(158deg, rgba(255, 255, 255, 0.85), rgba(243, 244, 246, 0.7));
  --card-border: rgba(0, 0, 0, 0.08);
  --card-border-hover: rgba(0, 0, 0, 0.22);
  --text-primary: #111827;
  --text-secondary: #374151;
  --text-muted: #6b7280;
  --accent-color: #111827;
  --accent-glow: rgba(17, 24, 39, 0.08);
  --cyber-maroon: #991b1b;
  --cyber-maroon-glow: rgba(153, 27, 27, 0.15);
  --input-bg: rgba(255, 255, 255, 0.7);
  --input-border: rgba(0, 0, 0, 0.1);
  --input-focus: rgba(17, 24, 39, 0.6);
  --line-color: rgba(0, 0, 0, 0.05);
}

/* Global Reset */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
}

body {
  background-color: var(--bg-color);
  color: var(--text-primary);
  font-family: var(--font-sans);
  overflow-x: hidden;
  transition: background-color var(--transition-speed) ease, color var(--transition-speed) ease;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

/* Twinkle Canvas & Stars Background */
#interactive-canvas {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  z-index: 0;
  pointer-events: none;
}

/* Nebulae & Film Grain (Only in Dark Mode) */
body::before {
  content: '';
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  background:
    radial-gradient(1100px 700px at 12% 8%, rgba(64,86,148,.08), transparent 62%),
    radial-gradient(900px 640px at 88% 34%, rgba(88,76,136,.06), transparent 60%);
  opacity: 1;
  transition: opacity var(--transition-speed);
}

html.light body::before {
  opacity: 0;
}

body::after {
  content: '';
  position: fixed;
  inset: -50%;
  z-index: 90;
  pointer-events: none;
  opacity: .03;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='240' height='240'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='.6'/%3E%3C/svg%3E");
  animation: grain 9s steps(6) infinite;
}

@keyframes grain {
  0%, 100% { transform: translate(0, 0); }
  20% { transform: translate(-4%, 3%); }
  40% { transform: translate(3%, -4%); }
  60% { transform: translate(-3%, -2%); }
  80% { transform: translate(4%, 3%); }
}

/* Custom Scrollbar */
::-webkit-scrollbar {
  width: 8px;
}
::-webkit-scrollbar-track {
  background: var(--bg-color);
}
::-webkit-scrollbar-thumb {
  background: var(--card-border-hover);
  border-radius: 4px;
}

/* Glassmorphism Header */
header {
  position: fixed;
  top: 0;
  width: 100%;
  z-index: 120;
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--card-border);
  background: rgba(5, 6, 11, 0.65);
  transition: background var(--transition-speed), border-color var(--transition-speed);
}

html.light header {
  background: rgba(243, 244, 246, 0.75);
}

.nav-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 1.25rem 2rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logo {
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 1.1rem;
  letter-spacing: 0.2em;
  color: var(--text-primary);
  text-decoration: none;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.logo .pip {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent-color);
  box-shadow: 0 0 10px var(--accent-color);
}

.nav-logo {
  height: 24px;
  width: auto;
  object-fit: contain;
  transition: filter var(--transition-speed);
}

html.light .nav-logo {
  filter: invert(1);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 2rem;
  list-style: none;
}

.nav-links a {
  text-decoration: none;
  color: var(--text-muted);
  font-family: var(--font-mono);
  font-size: 0.8rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  transition: color var(--transition-speed);
  position: relative;
  padding: 4px 0;
}

.nav-links a::after {
  content: '';
  position: absolute;
  left: 0;
  right: 100%;
  bottom: 0;
  height: 1px;
  background: var(--accent-color);
  transition: right var(--transition-speed) ease;
}

.nav-links a:hover, .nav-links a.active {
  color: var(--text-primary);
}

.nav-links a:hover::after, .nav-links a.active::after {
  right: 0;
}

.theme-toggle-btn {
  background: none;
  border: none;
  color: var(--text-secondary);
  cursor: pointer;
  padding: 0.5rem;
  border-radius: 50%;
  transition: color var(--transition-speed);
  display: flex;
  align-items: center;
  justify-content: center;
}

.theme-toggle-btn:hover {
  color: var(--text-primary);
}

.mobile-menu-toggle {
  display: none;
  background: none;
  border: none;
  color: var(--text-primary);
  font-size: 1.5rem;
  cursor: pointer;
}

/* ── HUD instruments ── */
.hud {
  position: fixed;
  inset: 0;
  z-index: 95;
  pointer-events: none;
  font-family: var(--font-mono);
  font-size: 8.5px;
  letter-spacing: .24em;
  color: var(--text-muted);
  text-transform: uppercase;
}

.hud > div {
  position: absolute;
  display: flex;
  gap: 10px;
  align-items: center;
}

.hud .tl { top: 86px; left: 24px; }
.hud .tr { top: 86px; right: 24px; }
.hud .bl { bottom: 24px; left: 24px; }
.hud .br { bottom: 24px; right: 24px; }
.hud .tick {
  width: 8px;
  height: 8px;
  border-left: 1px solid var(--card-border-hover);
  border-top: 1px solid var(--card-border-hover);
}
.hud .tr .tick { border-left: none; border-right: 1px solid var(--card-border-hover); }
.hud .bl .tick { border-top: none; border-bottom: 1px solid var(--card-border-hover); }
.hud .br .tick { border: none; border-right: 1px solid var(--card-border-hover); border-bottom: 1px solid var(--card-border-hover); }
.hud .val { color: var(--text-secondary); }

@media(max-width: 900px) {
  .hud { display: none; }
}

/* Preloader Boot Sequence */
#boot {
  position: fixed;
  inset: 0;
  z-index: 500;
  background: #030407;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: transform .8s cubic-bezier(.23,1,.32,1), opacity .6s;
}

#boot.done {
  transform: translateY(-100%);
  opacity: 0;
  pointer-events: none;
}

.boot-inner {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .18em;
  color: var(--text-secondary);
  line-height: 2.2;
  min-width: min(420px, 80vw);
}

.boot-inner div {
  opacity: 0;
}

.boot-inner div.on {
  opacity: 1;
}

.boot-inner .ok {
  color: var(--accent-color);
}

.caret {
  display: inline-block;
  width: 8px;
  height: 14px;
  background: var(--accent-color);
  vertical-align: -2px;
  animation: blink 1s steps(2) infinite;
  margin-left: 6px;
}

@keyframes blink {
  0%, 100% { opacity: 1; }
  50% { opacity: 0; }
}

/* Hero orbits */
.hero {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  position: relative;
  z-index: 10;
  padding: 120px 2rem 0;
  overflow: hidden;
}

.hero-orbits {
  position: absolute;
  top: 50%;
  left: 50%;
  width: min(120vmin, 1050px);
  height: min(120vmin, 1050px);
  transform: translate(-50%, -54%);
  opacity: .4;
  pointer-events: none;
  z-index: 0;
}

.hero-orbits .o1, .hero-orbits .o2, .hero-orbits .o3 {
  position: absolute;
  inset: 0;
  border-radius: 50%;
  border: 1px dashed var(--card-border);
}

.hero-orbits .o2 {
  inset: 11%;
  border-color: rgba(164, 184, 224, 0.1);
  animation: spin 160s linear infinite;
}

.hero-orbits .o1 {
  animation: spin 220s linear infinite reverse;
}

.hero-orbits .o3 {
  inset: 24%;
  border-style: solid;
  border-color: rgba(164, 184, 224, 0.05);
  animation: spin 110s linear infinite;
}

.hero-orbits .sat {
  position: absolute;
  top: -3px;
  left: 50%;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent-color);
  box-shadow: 0 0 14px var(--accent-color);
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

.hero-content {
  position: relative;
  z-index: 10;
  max-width: 800px;
  margin: 0 auto;
  text-align: left;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  padding: 10px 24px;
  border-radius: 100px;
  font-family: var(--font-mono);
  font-size: 9px;
  letter-spacing: .32em;
  text-transform: uppercase;
  color: var(--text-primary);
  border: 1px solid var(--card-border);
  background: rgba(15, 19, 32, 0.45);
  backdrop-filter: blur(10px);
  margin-bottom: 2rem;
}

html.light .hero-badge {
  background: rgba(255, 255, 255, 0.8);
}

.hero-badge .pip {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--cyber-maroon);
  box-shadow: 0 0 10px var(--cyber-maroon);
}

.hero-title {
  font-family: var(--font-display);
  font-size: clamp(3rem, 12vw, 8.5rem);
  font-weight: 800;
  line-height: 0.95;
  letter-spacing: -0.04em;
  color: var(--text-primary);
  margin-bottom: 2rem;
}

.hero-title span.ghost {
  color: transparent;
  -webkit-text-stroke: 1px var(--card-border-hover);
  font-weight: 700;
}

.hero-subtitle {
  font-size: clamp(1rem, 2.5vw, 1.2rem);
  color: var(--text-secondary);
  font-weight: 300;
  line-height: 1.8;
  max-width: 550px;
  margin-bottom: 3rem;
}

/* Scroll Cue */
.scroll-cue {
  position: absolute;
  bottom: 86px;
  right: 3rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 8px;
  letter-spacing: .3em;
  color: var(--text-muted);
  z-index: 10;
}

.scroll-cue .line {
  width: 1px;
  height: 52px;
  background: linear-gradient(to bottom, transparent, var(--text-muted), transparent);
  animation: cue 2.2s ease-in-out infinite;
}

@keyframes cue {
  0%, 100% { opacity: .25; }
  50% { opacity: 1; }
}

/* Telemetry Ticker */
.ticker {
  border-top: 1px solid var(--card-border);
  border-bottom: 1px solid var(--card-border);
  overflow: hidden;
  padding: 14px 0;
  z-index: 10;
  background: rgba(5, 6, 11, 0.4);
  backdrop-filter: blur(10px);
  mask-image: linear-gradient(to right, transparent, #000 8%, #000 92%, transparent);
  -webkit-mask-image: linear-gradient(to right, transparent, #000 8%, #000 92%, transparent);
}

.ticker-track {
  display: flex;
  width: max-content;
  animation: tick 42s linear infinite;
}

.ticker span {
  font-family: var(--font-mono);
  font-size: 9px;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: var(--text-secondary);
  padding: 0 2rem;
  white-space: nowrap;
}

.ticker span b {
  color: var(--text-primary);
}

@keyframes tick {
  to { transform: translate3d(-50%, 0, 0); }
}

/* Premium Buttons */
.cta-group {
  display: flex;
  gap: 1.5rem;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: .28em;
  text-transform: uppercase;
  color: var(--text-primary);
  text-decoration: none;
  cursor: pointer;
  border: 1px solid var(--card-border-hover);
  border-radius: 100px;
  padding: 16px 30px;
  background: rgba(203, 217, 242, 0.04);
  transition: border-color 0.3s, background 0.3s, transform 0.4s cubic-bezier(.23,1,.32,1);
}

.btn:hover {
  border-color: var(--text-primary);
  background: rgba(255, 255, 255, 0.08);
}

.btn .arr {
  transition: transform var(--transition-speed);
}

.btn:hover .arr {
  transform: translateX(4px);
}

.btn-solid {
  background: var(--text-primary);
  color: var(--bg-color);
  border-color: var(--text-primary);
}

.btn-solid:hover {
  background: var(--accent-color);
  border-color: var(--accent-color);
}

/* Layout System */
.section {
  padding: clamp(5.5rem, 11vw, 9.5rem) 0;
  position: relative;
  z-index: 10;
  border-bottom: 1px solid var(--line-color);
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 clamp(1.25rem, 4.5vw, 3rem);
}

.divider {
  border-top: 1px solid var(--line-color);
}

.label {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: .4em;
  text-transform: uppercase;
  color: var(--text-muted);
  display: flex;
  align-items: center;
  gap: 14px;
}

.label .idx {
  color: var(--text-secondary);
}

.label::after {
  content: '';
  height: 1px;
  width: 56px;
  background: var(--card-border-hover);
  display: inline-block;
}

.label.center {
  justify-content: center;
  margin-bottom: 4rem;
}

.label.center::before {
  content: '';
  height: 1px;
  width: 56px;
  background: var(--card-border-hover);
  display: inline-block;
}

.display {
  font-family: var(--font-display);
  font-weight: 800;
  letter-spacing: -.03em;
  line-height: .98;
  font-size: clamp(2.4rem, 7vw, 4.5rem);
}

.display .thin {
  font-weight: 500;
  color: var(--text-secondary);
}

.lead {
  font-size: clamp(15px, 1.8vw, 18px);
  color: var(--text-secondary);
  font-weight: 300;
  line-height: 1.85;
}

/* Glassmorphism & Cyber Corners */
.glass {
  position: relative;
  border-radius: var(--r);
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  backdrop-filter: blur(28px) saturate(1.25);
  -webkit-backdrop-filter: blur(28px) saturate(1.25);
  box-shadow: 0 34px 90px -34px rgba(0, 0, 0, 0.65), inset 0 1px 0 rgba(255, 255, 255, 0.05);
  transition: border-color var(--transition-speed), transform var(--transition-speed);
}

.glass:hover {
  border-color: var(--card-border-hover);
}

.brackets::after {
  content: '';
  position: absolute;
  inset: 10px;
  border-radius: calc(var(--r) - 8px);
  pointer-events: none;
  background:
    linear-gradient(var(--card-border-hover), var(--card-border-hover)) top left/14px 1px,
    linear-gradient(var(--card-border-hover), var(--card-border-hover)) top left/1px 14px,
    linear-gradient(var(--card-border-hover), var(--card-border-hover)) bottom right/14px 1px,
    linear-gradient(var(--card-border-hover), var(--card-border-hover)) bottom right/1px 14px;
  background-repeat: no-repeat;
  opacity: .5;
}

/* Grids */
.about-grid {
  display: grid;
  grid-template-columns: 5fr 6fr;
  gap: 4rem;
}

.grid-stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 2rem;
  text-align: center;
}

.stat {
  padding: 2rem 0;
}

.stat-n {
  font-family: var(--font-display);
  font-size: clamp(2.5rem, 6vw, 4rem);
  font-weight: 800;
  color: var(--text-primary);
  line-height: 1;
  margin-bottom: 0.5rem;
}

.stat-l {
  font-size: 0.85rem;
  color: var(--text-secondary);
}

/* Chips list */
.chips {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 2rem;
}

.chip {
  background: var(--card-border);
  padding: 0.4rem 1rem;
  border-radius: 20px;
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--text-secondary);
  border: 1px solid transparent;
}

/* Timeline */
.timeline {
  position: relative;
  max-width: 900px;
  margin: 0 auto;
  padding-left: 2.5rem;
  border-left: 1px solid var(--card-border);
  display: flex;
  flex-direction: column;
  gap: 3.5rem;
}

.tl-item {
  position: relative;
}

.tl-item::before {
  content: '';
  position: absolute;
  left: calc(-2.5rem - 5px);
  top: 6px;
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background-color: var(--accent-color);
  box-shadow: 0 0 10px var(--accent-color);
}

.tl-date {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--text-secondary);
  margin-bottom: 0.5rem;
  letter-spacing: 0.05em;
}

.tl-title {
  font-family: var(--font-display);
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 0.5rem;
}

.tl-desc {
  color: var(--text-secondary);
  font-size: 0.95rem;
  font-weight: 300;
}

/* Project capability list */
.caps-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
}

.cap {
  padding: 2.5rem;
}

.diagram {
  margin-bottom: 2rem;
  height: 96px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.diagram svg {
  width: 100%;
  height: 100%;
}

.dg-node {
  fill: rgba(164, 184, 224, 0.06);
  stroke: var(--card-border-hover);
  stroke-width: 1;
}

.dg-txt {
  fill: var(--text-secondary);
  font-family: var(--font-mono);
  font-size: 8px;
  letter-spacing: 0.05em;
}

.dg-flow {
  stroke: var(--accent-color);
  stroke-width: 1;
  stroke-dasharray: 4 4;
  fill: none;
  animation: flow 4s linear infinite;
}

.dg-line {
  stroke: var(--card-border);
  stroke-width: 1;
  fill: none;
}

.dg-node-hot {
  fill: var(--cyber-maroon);
  stroke: var(--text-primary);
  stroke-width: 1.5;
  box-shadow: 0 0 10px var(--cyber-maroon);
}

@keyframes flow {
  to { stroke-dashoffset: -20; }
}

.cap-title {
  font-family: var(--font-display);
  font-size: 1.35rem;
  font-weight: 700;
  margin-bottom: 1rem;
}

.cap-desc {
  font-size: 0.9rem;
  color: var(--text-secondary);
  font-weight: 300;
  margin-bottom: 2rem;
  min-height: 80px;
}

.link-mono {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: .2em;
  text-transform: uppercase;
  color: var(--text-secondary);
  text-decoration: none;
  transition: color var(--transition-speed);
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.link-mono:hover {
  color: var(--text-primary);
}

/* Featured Mission Card */
.feature {
  display: grid;
  grid-template-columns: 6fr 5fr;
  gap: 4rem;
  padding: 4rem;
  align-items: center;
}

.feature-visual {
  height: 300px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.feature-metrics {
  display: flex;
  gap: 3rem;
  margin-top: 2rem;
}

.fm .n {
  font-family: var(--font-display);
  font-size: 2rem;
  font-weight: 700;
  color: var(--text-primary);
}

.fm .l {
  font-size: 0.8rem;
  color: var(--text-secondary);
}

/* Case study layout */
.case {
  display: grid;
  grid-template-columns: 6fr 5fr;
  gap: 4rem;
  padding: 4rem;
  align-items: center;
  margin-bottom: 3rem;
}

.case-body {
  display: flex;
  flex-direction: column;
}

.case-idx {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.25em;
  color: var(--text-muted);
  margin-bottom: 1rem;
}

.case-title {
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 4vw, 2.5rem);
  font-weight: 800;
  line-height: 1.1;
  color: var(--text-primary);
  margin-bottom: 1rem;
}

.case-meta {
  display: flex;
  gap: 1.5rem;
  font-family: var(--font-mono);
  font-size: 9px;
  color: var(--text-muted);
  letter-spacing: 0.05em;
  margin-bottom: 1.5rem;
}

.case-meta span b {
  color: var(--text-secondary);
}

.case-desc {
  font-size: 1rem;
  font-weight: 300;
  color: var(--text-secondary);
  line-height: 1.7;
  margin-bottom: 2rem;
}

.case-stats {
  display: flex;
  gap: 2.5rem;
  margin-bottom: 2rem;
}

.case-stats .n {
  font-family: var(--font-display);
  font-size: 1.75rem;
  font-weight: 700;
  color: var(--text-primary);
}

.case-stats .l {
  font-size: 0.8rem;
  color: var(--text-secondary);
}

.case-visual {
  height: 240px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.case-visual svg {
  width: 100%;
  height: 100%;
}

/* Publications list rows */
.row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 2rem 0;
  border-bottom: 1px solid var(--line-color);
  text-decoration: none;
  transition: transform var(--transition-speed);
}

.row:hover {
  transform: translateX(10px);
}

.r-tag {
  font-family: var(--font-mono);
  font-size: 9px;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.15em;
  margin-bottom: 0.5rem;
}

.r-title {
  font-family: var(--font-display);
  font-size: 1.35rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 0.25rem;
}

.r-desc {
  font-size: 0.9rem;
  color: var(--text-secondary);
}

.r-arr {
  font-size: 1.5rem;
  color: var(--text-muted);
}

/* Mission page specific widgets */
.mission-hero-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
}

.visual-3d {
  height: 460px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: var(--r);
  padding: 2rem;
}

#habitat3d {
  max-width: 100%;
}

.gauges {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
  margin-top: 3rem;
}

.gauge-card {
  padding: 2rem;
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.gauge {
  position: relative;
  width: 118px;
  height: 118px;
  margin-bottom: 1.5rem;
  display: flex;
  align-items: center;
  justify-content: center;
}

.gauge svg {
  transform: rotate(-90deg);
  width: 100%;
  height: 100%;
}

.gauge circle {
  fill: none;
  stroke-width: 4;
}

.gauge .track {
  stroke: var(--card-border);
}

.gauge .fill {
  stroke: var(--accent-color);
  stroke-dasharray: 276;
  stroke-dashoffset: 276;
  transition: stroke-dashoffset 2s cubic-bezier(.23,1,.32,1);
}

.g-val {
  position: absolute;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.g-val b {
  font-family: var(--font-display);
  font-size: 1.35rem;
  color: var(--text-primary);
}

.g-val i {
  font-family: var(--font-mono);
  font-size: 8px;
  color: var(--text-muted);
  font-style: normal;
  text-transform: uppercase;
}

.gauge-name {
  font-family: var(--font-display);
  font-size: 1.15rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
}

.gauge-note {
  font-size: 0.8rem;
  color: var(--text-secondary);
}

/* Console Logger Box */
.console {
  padding: 3rem;
}

.c-head {
  display: flex;
  justify-content: space-between;
  font-family: var(--font-mono);
  font-size: 10px;
  color: var(--text-muted);
  border-bottom: 1px solid var(--card-border);
  padding-bottom: 1.25rem;
  margin-bottom: 1.5rem;
  letter-spacing: 0.1em;
}

.log-line {
  display: flex;
  font-family: var(--font-mono);
  font-size: 12px;
  margin-bottom: 1.25rem;
  line-height: 1.5;
}

.log-t {
  width: 100px;
  color: var(--cyber-maroon);
  flex-shrink: 0;
}

.log-m {
  color: var(--text-primary);
}

/* Structured Record Resume Grids */
.res-grid {
  display: grid;
  grid-template-columns: 200px 1fr;
  gap: 2rem;
  padding: 2.5rem 0;
  border-bottom: 1px solid var(--line-color);
}

.res-date {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--text-secondary);
  letter-spacing: 0.05em;
}

.res-title {
  font-family: var(--font-display);
  font-size: 1.35rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 0.5rem;
}

.res-desc {
  font-size: 0.95rem;
  color: var(--text-secondary);
  font-weight: 300;
}

.pdf-frame {
  height: 550px;
  margin-top: 3rem;
  overflow: hidden;
}

.pdf-frame object {
  width: 100%;
  height: 100%;
}

.pdf-fallback {
  height: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  color: var(--text-secondary);
  padding: 2rem;
}

/* Contact Open Channel Grid */
.contact-grid {
  display: grid;
  grid-template-columns: 5fr 7fr;
  gap: 4rem;
  align-items: start;
}

.contact-info {
  display: flex;
  flex-direction: column;
  gap: 2.5rem;
}

.contact-card {
  display: flex;
  flex-direction: column;
}

.contact-label {
  font-family: var(--font-mono);
  font-size: 9px;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.2em;
  margin-bottom: 0.5rem;
}

.contact-value {
  font-size: 1.25rem;
  color: var(--text-primary);
  text-decoration: none;
  font-family: var(--font-sans);
}

.form-group {
  margin-bottom: 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.form-label {
  font-family: var(--font-mono);
  font-size: 9px;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

.form-input {
  background: var(--input-bg);
  border: 1px solid var(--input-border);
  padding: 0.9rem 1.2rem;
  border-radius: 8px;
  color: var(--text-primary);
  font-family: var(--font-sans);
  outline: none;
  transition: border-color var(--transition-speed), box-shadow var(--transition-speed);
}

.form-input:focus {
  border-color: var(--input-focus);
  box-shadow: 0 0 15px var(--accent-glow);
}

textarea.form-input {
  min-height: 150px;
  resize: vertical;
}

/* CTA band */
.cta-band {
  padding: 4rem;
  text-align: center;
}

.cta-band .display {
  margin: 1.5rem 0;
}

/* Footer */
footer {
  padding: 4rem 2rem;
  border-top: 1px solid var(--card-border);
  position: relative;
  z-index: 10;
}

.foot-inner {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-family: var(--font-mono);
  font-size: 9px;
  color: var(--text-muted);
  letter-spacing: 0.15em;
}

/* Reveal systems */
.reveal {
  opacity: 0;
  transform: translateY(25px);
  filter: blur(5px);
  transition: opacity 0.8s cubic-bezier(.23,1,.32,1), transform 0.8s cubic-bezier(.23,1,.32,1), filter 0.8s cubic-bezier(.23,1,.32,1);
}

.reveal.in {
  opacity: 1;
  transform: none;
  filter: none;
}

/* Mobile responsive drawer */
@media (max-width: 968px) {
  .about-grid, .feature, .case, .contact-grid, .mission-hero-grid, .caps-grid {
    grid-template-columns: 1fr;
    gap: 3rem;
  }
  .grid-stats, .gauges {
    grid-template-columns: 1fr 1fr;
  }
  .diagram svg {
    max-width: 280px;
  }
}

@media (max-width: 768px) {
  .nav-links {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    width: 100%;
    background: var(--bg-color);
    border-bottom: 1px solid var(--card-border);
    flex-direction: column;
    padding: 2.5rem;
    gap: 1.5rem;
    box-shadow: 0 10px 30px rgba(0,0,0,0.5);
  }
  
  .nav-links.mobile-open {
    display: flex;
  }
  
  .mobile-menu-toggle {
    display: block;
  }
  
  .grid-stats, .gauges, .grid-3 {
    grid-template-columns: 1fr;
  }
  
  .foot-inner {
    flex-direction: column;
    gap: 1.5rem;
    text-align: center;
  }

  /* Mobile optimization for cases and features */
  .case, .feature {
    padding: 2.5rem 1.5rem;
  }
  
  .case-visual {
    height: auto;
    margin-top: 1.5rem;
  }
  
  .case-visual svg {
    max-width: 100%;
    height: auto;
  }
}

@media (max-width: 480px) {
  .cta-group {
    flex-direction: column;
    gap: 1rem;
    width: 100%;
  }
  .cta-group .btn {
    width: 100%;
    justify-content: center;
  }
  .feature-metrics {
    flex-direction: column;
    gap: 1.5rem;
  }
  .case-stats {
    flex-direction: column;
    gap: 1.25rem;
  }
}