/* ==========================================================================
   MADBITS.AI · RETRO-FUTURE CYBERNETIC DESIGN SYSTEM
   Paying homage to MadBits (2012–2014)
   ========================================================================== */

:root {
  /* Color Palette */
  --bg-deep: #07090e;
  --bg-surface: #0c1017;
  --bg-card: #111722;
  --bg-card-hover: #162030;
  --border-subtle: #1c2738;
  --border-glow: #00f0ff33;
  --border-active: #00f0ff;

  --text-main: #f0f6fc;
  --text-muted: #b4c2d6;
  --text-dim: #94a3b8;

  /* Luminescent Accents */
  --cyan-glow: #00f0ff;
  --cyan-dim: #00d0df;
  --green-glow: #00ff66;
  --amber-glow: #ffb020;
  --magenta-glow: #ff2a6d;

  /* Typography */
  --font-sans: 'Space Grotesk', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  --font-mono: 'JetBrains Mono', ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;

  /* Spacing & Radii */
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --radius-xl: 18px;

  /* Shadows & Glows */
  --glow-cyan-sm: 0 0 10px rgba(0, 240, 255, 0.35);
  --glow-cyan-lg: 0 0 25px rgba(0, 240, 255, 0.25);
  --glow-green-sm: 0 0 10px rgba(0, 255, 102, 0.35);
  --glow-amber-sm: 0 0 10px rgba(255, 176, 32, 0.35);
}

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

html {
  font-size: 16px;
  scroll-behavior: smooth;
  background-color: var(--bg-deep);
  color: var(--text-main);
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-sans);
  background-color: var(--bg-deep);
  color: var(--text-main);
  line-height: 1.6;
  overflow-x: hidden;
  position: relative;
  min-height: 100vh;
}

/* Accessibility Focus Outline */
:focus-visible {
  outline: 2px solid var(--cyan-glow) !important;
  outline-offset: 3px !important;
  border-radius: var(--radius-sm);
}

/* Ensure mobile form inputs meet iOS Safari auto-zoom prevention bar (>= 16px) */
input, textarea, select, #custom-image-input {
  font-size: 16px !important;
}

.skip-link {
  position: absolute;
  top: -100px;
  left: 20px;
  background: var(--cyan-glow);
  color: #000;
  font-family: var(--font-mono);
  font-weight: 700;
  padding: 12px 18px;
  z-index: 10000;
  border-radius: var(--radius-sm);
  text-decoration: none;
  transition: top 0.2s ease;
}

.skip-link:focus {
  top: 15px;
}

/* CRT Scanline & Phosphor Vignette Overlay */
.crt-overlay {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 9000;
  background: linear-gradient(
    rgba(18, 16, 16, 0) 50%, 
    rgba(0, 0, 0, 0.28) 50%
  );
  background-size: 100% 4px;
  opacity: 0;
  transition: opacity 0.3s ease;
}

.crt-vignette {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 8999;
  background: radial-gradient(circle at center, transparent 60%, rgba(3, 5, 8, 0.75) 100%);
  opacity: 0;
  transition: opacity 0.3s ease;
}

body.crt-active .crt-overlay {
  opacity: 0.85;
}

body.crt-active .crt-vignette {
  opacity: 1;
}

/* Cockpit Header */
.cockpit-header {
  position: sticky;
  top: 0;
  z-index: 8000;
  background: rgba(7, 9, 14, 0.88);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border-subtle);
}

.header-inner {
  max-width: 1400px;
  margin: 0 auto;
  padding: 12px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.brand-cluster {
  display: flex;
  align-items: center;
  gap: 14px;
}

.brand-link {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  color: var(--text-main);
  min-height: 44px;
}

.brand-wordmark {
  height: 24px;
  width: auto;
  display: block;
  filter: brightness(0) invert(1) drop-shadow(0 0 8px rgba(0, 240, 255, 0.45));
}

.brand-tag {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.12em;
  padding: 3px 8px;
  background: rgba(0, 240, 255, 0.1);
  color: var(--cyan-glow);
  border: 1px solid rgba(0, 240, 255, 0.25);
  border-radius: var(--radius-sm);
}

@media (max-width: 500px) {
  .brand-tag {
    display: none;
  }
}

.status-ticker {
  display: none;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--text-dim);
  border-left: 1px solid var(--border-subtle);
  padding-left: 14px;
}

@media (min-width: 1100px) {
  .status-ticker {
    display: inline-flex;
  }
}

.status-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--green-glow);
  box-shadow: 0 0 8px var(--green-glow);
  animation: pulse-dot 2.5s infinite;
}

@keyframes pulse-dot {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.4; transform: scale(0.85); }
}

/* Desktop Nav */
.cockpit-nav {
  display: none;
}

@media (min-width: 860px) {
  .cockpit-nav {
    display: block;
  }
}

.nav-list {
  display: flex;
  align-items: center;
  gap: 6px;
  list-style: none;
}

.nav-item {
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--text-muted);
  text-decoration: none;
  padding: 10px 14px;
  border-radius: var(--radius-sm);
  transition: color 0.18s ease, background-color 0.18s ease, border-color 0.18s ease;
  border: 1px solid transparent;
  min-height: 44px;
  display: inline-flex;
  align-items: center;
}

.nav-item:hover {
  color: var(--cyan-glow);
  background: rgba(0, 240, 255, 0.06);
  border-color: rgba(0, 240, 255, 0.2);
}

.nav-item.active {
  color: #fff;
  background: rgba(0, 240, 255, 0.12);
  border-color: rgba(0, 240, 255, 0.4);
}

/* HUD Controls */
.hud-toggles {
  display: flex;
  align-items: center;
  gap: 8px;
}

@media (max-width: 640px) {
  .header-inner {
    padding: 10px 14px;
    gap: 8px;
  }
  .hud-btn .hud-label {
    display: none;
  }
  .hud-btn {
    padding: 8px !important;
    width: 44px !important;
    height: 44px !important;
  }
}

.hud-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  background: rgba(18, 24, 34, 0.9);
  border: 1px solid var(--border-subtle);
  color: var(--text-muted);
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 500;
  padding: 8px 12px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  min-height: 44px;
  min-width: 44px;
  transition: color 0.18s ease, background-color 0.18s ease, border-color 0.18s ease, box-shadow 0.18s ease;
}

.hud-btn:hover {
  border-color: var(--cyan-glow);
  color: var(--text-main);
  box-shadow: 0 0 10px rgba(0, 240, 255, 0.15);
}

.hud-btn.active {
  background: rgba(0, 240, 255, 0.12);
  border-color: var(--cyan-glow);
  color: var(--cyan-glow);
}

.hud-icon {
  flex-shrink: 0;
}

/* Mobile Menu Button */
.mobile-menu-btn {
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 5px;
  width: 44px;
  height: 44px;
  background: rgba(18, 24, 34, 0.9);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  cursor: pointer;
}

@media (min-width: 860px) {
  .mobile-menu-btn {
    display: none;
  }
}

.menu-bar {
  width: 20px;
  height: 2px;
  background: var(--text-main);
  border-radius: 2px;
  transition: transform 0.2s ease, opacity 0.2s ease;
}

.mobile-menu-btn[aria-expanded="true"] .menu-bar:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.mobile-menu-btn[aria-expanded="true"] .menu-bar:nth-child(2) {
  opacity: 0;
}

.mobile-menu-btn[aria-expanded="true"] .menu-bar:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* Mobile Drawer */
.mobile-drawer {
  background: var(--bg-surface);
  border-bottom: 1px solid var(--border-subtle);
  padding: 20px 24px;
  max-height: calc(100vh - 64px);
  overflow-y: auto;
}

.mobile-drawer[hidden] {
  display: none;
}

.mobile-nav-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.mobile-nav-link {
  display: flex;
  align-items: center;
  gap: 12px;
  font-family: var(--font-mono);
  font-size: 15px;
  color: var(--text-main);
  text-decoration: none;
  padding: 12px 14px;
  border-radius: var(--radius-sm);
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid var(--border-subtle);
  min-height: 44px;
}

.mobile-nav-link span {
  color: var(--cyan-glow);
  font-size: 12px;
}

.mobile-drawer-footer {
  margin-top: 20px;
  padding-top: 14px;
  border-top: 1px solid var(--border-subtle);
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--text-dim);
}

/* Cockpit Main Container */
.cockpit-main {
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 24px 80px;
}

/* Hero Section */
.hero-section {
  padding: 60px 0 70px;
}

@media (max-width: 768px) {
  .hero-section {
    padding: 24px 0 36px;
  }
}

.hero-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 40px;
  align-items: center;
}

@media (min-width: 1024px) {
  .hero-grid {
    grid-template-columns: 1.15fr 0.85fr;
    gap: 48px;
  }
}

.badge-strip {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 20px;
}

.badge {
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.06em;
  padding: 4px 10px;
  border-radius: var(--radius-sm);
  text-transform: uppercase;
}

.badge-cyan {
  background: rgba(0, 240, 255, 0.1);
  color: var(--cyan-glow);
  border: 1px solid rgba(0, 240, 255, 0.3);
}

.badge-amber {
  background: rgba(255, 176, 32, 0.1);
  color: var(--amber-glow);
  border: 1px solid rgba(255, 176, 32, 0.3);
}

.badge-green {
  background: rgba(0, 255, 102, 0.1);
  color: var(--green-glow);
  border: 1px solid rgba(0, 255, 102, 0.3);
}

.hero-title {
  font-size: clamp(2.2rem, 4.5vw, 3.8rem);
  font-weight: 700;
  line-height: 1.12;
  letter-spacing: -0.03em;
  color: #fff;
  margin-bottom: 22px;
}

.hero-title-sub {
  display: block;
  font-family: var(--font-mono);
  font-size: clamp(0.85rem, 1.6vw, 1.15rem);
  font-weight: 500;
  letter-spacing: 0.14em;
  color: var(--cyan-glow);
  margin-bottom: 8px;
  text-transform: uppercase;
}

.hero-lead {
  font-size: clamp(1.05rem, 1.8vw, 1.22rem);
  line-height: 1.65;
  color: var(--text-muted);
  margin-bottom: 28px;
  max-width: 660px;
}

.hero-lead strong {
  color: #fff;
}

.hero-quote-box {
  background: rgba(14, 20, 30, 0.7);
  border-left: 3px solid var(--cyan-glow);
  border-top: 1px solid var(--border-subtle);
  border-right: 1px solid var(--border-subtle);
  border-bottom: 1px solid var(--border-subtle);
  padding: 16px 20px;
  border-radius: var(--radius-sm);
  margin-bottom: 32px;
}

.quote-header {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--cyan-dim);
  margin-bottom: 6px;
}

.hero-quote {
  font-size: 1.05rem;
  font-style: italic;
  color: #fff;
  line-height: 1.5;
  margin-bottom: 6px;
}

.quote-cite {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--text-dim);
  font-style: normal;
}

.hero-cta-group {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.04em;
  padding: 13px 24px;
  border-radius: var(--radius-sm);
  text-decoration: none;
  cursor: pointer;
  min-height: 48px;
  transition: color 0.2s ease, background 0.2s ease, border-color 0.2s ease, box-shadow 0.2s ease, transform 0.2s ease;
  position: relative;
  overflow: hidden;
}

.btn-primary {
  background: var(--cyan-glow);
  color: #05080e;
  border: 1px solid var(--cyan-glow);
  box-shadow: 0 0 16px rgba(0, 240, 255, 0.4);
}

.btn-primary:hover {
  background: #33f3ff;
  box-shadow: 0 0 25px rgba(0, 240, 255, 0.6);
  transform: translateY(-1px);
}

.btn-secondary {
  background: rgba(18, 24, 34, 0.85);
  color: var(--text-main);
  border: 1px solid var(--border-subtle);
}

.btn-secondary:hover {
  border-color: var(--cyan-glow);
  color: var(--cyan-glow);
  background: rgba(0, 240, 255, 0.05);
}

/* Hero Visual & Telemetry Panel */
.telemetry-panel {
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.5), inset 0 0 20px rgba(0, 240, 255, 0.04);
}

.panel-header {
  background: #090d14;
  border-bottom: 1px solid var(--border-subtle);
  padding: 10px 16px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.panel-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
}
.panel-dot.red { background: #ff5f56; }
.panel-dot.yellow { background: #ffbd2e; }
.panel-dot.green { background: #27c93f; }

.panel-title {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--text-muted);
  letter-spacing: 0.08em;
  margin-left: 8px;
}

.panel-body {
  padding: 20px;
}

.hero-spec-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
  margin-bottom: 20px;
}

.spec-cell {
  background: rgba(17, 23, 34, 0.8);
  border: 1px solid var(--border-subtle);
  padding: 10px 14px;
  border-radius: var(--radius-sm);
}

.spec-key {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--text-dim);
  letter-spacing: 0.1em;
  margin-bottom: 4px;
}

.spec-val {
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 600;
  color: var(--text-main);
}
.spec-val.cyan { color: var(--cyan-glow); }
.spec-val.amber { color: var(--amber-glow); }
.spec-val.green { color: var(--green-glow); }

/* Animated Network Topology SVG */
.network-diagram-container {
  background: #06080d;
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  padding: 16px 12px;
}

.diagram-label {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--cyan-dim);
  margin-bottom: 12px;
  text-align: center;
}

.network-svg {
  width: 100%;
  height: auto;
  display: block;
}

.svg-rect-input {
  fill: #0c121d;
  stroke: var(--cyan-glow);
  stroke-width: 1.5;
}

.svg-rect-conv1 { fill: rgba(0, 240, 255, 0.2); stroke: var(--cyan-glow); stroke-width: 1; }
.svg-rect-conv2 { fill: rgba(0, 240, 255, 0.35); stroke: var(--cyan-glow); stroke-width: 1; }
.svg-rect-conv3 { fill: rgba(0, 240, 255, 0.5); stroke: var(--cyan-glow); stroke-width: 1; }

.svg-rect-latent {
  fill: rgba(255, 176, 32, 0.35);
  stroke: var(--amber-glow);
  stroke-width: 1.5;
}

.svg-lstm-cell {
  fill: #0c1816;
  stroke: var(--green-glow);
  stroke-width: 1.5;
}

.svg-wire {
  stroke: #253347;
  stroke-width: 1.5;
}

.pulse-wire {
  stroke: var(--cyan-glow);
  stroke-dasharray: 6 3;
  animation: wire-flow 1.5s linear infinite;
}

.pulse-wire.delay-1 { animation-delay: 0.4s; stroke: var(--amber-glow); }
.pulse-wire.delay-2 { animation-delay: 0.8s; stroke: var(--green-glow); }
.pulse-wire.delay-3 { animation-delay: 1.2s; stroke: var(--cyan-glow); }

@keyframes wire-flow {
  from { stroke-dashoffset: 18; }
  to { stroke-dashoffset: 0; }
}

.svg-arrowhead {
  fill: var(--cyan-glow);
}

.svg-recurrent {
  fill: none;
  stroke: var(--green-glow);
  stroke-width: 1.2;
  stroke-dasharray: 3 2;
}

.svg-token-wire {
  stroke: var(--green-glow);
  stroke-width: 1;
  stroke-dasharray: 2 2;
}

.svg-token-box {
  fill: rgba(0, 255, 102, 0.15);
  stroke: var(--green-glow);
  stroke-width: 1;
}

.svg-rect-caption {
  fill: rgba(0, 240, 255, 0.2);
  stroke: var(--cyan-glow);
  stroke-width: 1.5;
}

.svg-text {
  font-family: var(--font-mono);
  font-size: 12px;
  fill: #fff;
}
.svg-text.bold { font-weight: 700; fill: var(--green-glow); }

.svg-sub {
  font-family: var(--font-mono);
  font-size: 12px;
  fill: var(--text-dim);
}

.svg-token-text {
  font-family: var(--font-mono);
  font-size: 12px;
  fill: var(--green-glow);
}
.svg-token-text.bold { fill: var(--cyan-glow); font-weight: 700; }

.panel-footer-meta {
  display: flex;
  justify-content: space-between;
  margin-top: 14px;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--text-dim);
}

.panel-footer-meta .bullet {
  display: inline-block;
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--cyan-glow);
  margin-right: 5px;
}

/* Sections Common */
.section {
  padding: 80px 0;
  border-top: 1px solid var(--border-subtle);
}

.section-header {
  margin-bottom: 40px;
  max-width: 820px;
}

.section-tag {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.15em;
  color: var(--cyan-glow);
  margin-bottom: 10px;
  text-transform: uppercase;
}

.section-title {
  font-size: clamp(1.8rem, 3.2vw, 2.6rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  color: #fff;
  line-height: 1.2;
  margin-bottom: 14px;
}

.section-subtitle {
  font-size: 1.1rem;
  line-height: 1.6;
  color: var(--text-muted);
}

/* SECTION 1: INTERACTIVE NEURAL PIPELINE WORKBENCH */
.pipeline-workbench {
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 24px;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.4);
}

.workbench-bar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding-bottom: 20px;
  margin-bottom: 24px;
  border-bottom: 1px solid var(--border-subtle);
}

.source-selector {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px;
}

.selector-label {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--text-dim);
  letter-spacing: 0.1em;
}

.sample-pills {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.sample-pill {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  color: var(--text-muted);
  font-family: var(--font-mono);
  font-size: 12px;
  padding: 8px 14px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  min-height: 44px;
  transition: color 0.18s ease, background 0.18s ease, border-color 0.18s ease, box-shadow 0.18s ease;
}

.sample-pill:hover {
  color: var(--text-main);
  border-color: var(--cyan-glow);
}

.sample-pill.active {
  background: rgba(0, 240, 255, 0.12);
  border-color: var(--cyan-glow);
  color: var(--cyan-glow);
  box-shadow: 0 0 10px rgba(0, 240, 255, 0.2);
}

.sample-pill .pill-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: currentColor;
}

.upload-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(255, 176, 32, 0.1);
  border: 1px dashed rgba(255, 176, 32, 0.4);
  color: var(--amber-glow);
  font-family: var(--font-mono);
  font-size: 12px;
  padding: 8px 14px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  min-height: 44px;
  transition: color 0.18s ease, background 0.18s ease, border-color 0.18s ease, box-shadow 0.18s ease;
}

.upload-btn:hover {
  background: rgba(255, 176, 32, 0.18);
  border-color: var(--amber-glow);
}

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  border: 0;
}

/* Stage Grid */
.stage-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 20px;
}

@media (min-width: 860px) {
  .stage-grid {
    grid-template-columns: 1fr 1fr;
  }
}

@media (min-width: 1300px) {
  .stage-grid {
    grid-template-columns: 1fr 1fr 1fr 1fr;
  }
}

.stage-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  overflow: hidden;
  display: flex;
  flex-direction: column;
}

.card-hud-header {
  background: rgba(8, 12, 18, 0.9);
  border-bottom: 1px solid var(--border-subtle);
  padding: 10px 14px;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.card-step-num {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.15em;
  color: var(--cyan-glow);
}

.card-step-title {
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 700;
  color: #fff;
  letter-spacing: 0.05em;
}

.card-badge {
  display: inline-block;
  align-self: flex-start;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--text-dim);
  background: rgba(255, 255, 255, 0.04);
  padding: 2px 6px;
  border-radius: 2px;
}
.card-badge.green { color: var(--green-glow); background: rgba(0, 255, 102, 0.1); }

.card-body {
  padding: 16px;
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 14px;
}

/* Stage 1: Input Canvas */
.media-preview-container {
  position: relative;
  width: 100%;
  aspect-ratio: 1 / 1;
  background: #040609;
  border-radius: var(--radius-sm);
  overflow: hidden;
  border: 1px solid var(--border-subtle);
}

#input-canvas {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.scan-laser {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--cyan-glow);
  box-shadow: 0 0 10px var(--cyan-glow);
  animation: scan-move 3s ease-in-out infinite;
}

@keyframes scan-move {
  0%, 100% { top: 0%; opacity: 0.3; }
  50% { top: 98%; opacity: 0.9; }
}

.tensor-metrics {
  background: rgba(5, 8, 12, 0.8);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  padding: 10px 12px;
  font-size: 12px;
}

.metric-row {
  display: flex;
  justify-content: space-between;
  margin-bottom: 4px;
}
.metric-row:last-child { margin-bottom: 0; }
.metric-row span:first-child { color: var(--text-dim); }

/* Stage 2: Feature Maps */
.filter-controls {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.filter-hint {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--text-dim);
  letter-spacing: 0.08em;
}

.filter-tabs {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 6px;
}

.filter-tab {
  background: rgba(14, 20, 30, 0.8);
  border: 1px solid var(--border-subtle);
  color: var(--text-muted);
  font-family: var(--font-mono);
  font-size: 12px;
  padding: 6px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  text-align: left;
  transition: color 0.15s ease, background 0.15s ease, border-color 0.15s ease;
  min-height: 44px;
}

.filter-tab:hover {
  border-color: var(--cyan-glow);
  color: var(--text-main);
}

.filter-tab.active {
  background: rgba(0, 240, 255, 0.1);
  border-color: var(--cyan-glow);
  color: var(--cyan-glow);
}

.feature-maps-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
}

.fmap-cell {
  background: #05070a;
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  padding: 6px;
}

.fmap-label {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--text-dim);
  margin-bottom: 4px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.fmap-cell canvas {
  width: 100%;
  aspect-ratio: 1 / 1;
  display: block;
  border-radius: 2px;
  background: #000;
}

.conv-sub-text {
  font-size: 12px;
  color: var(--text-muted);
  line-height: 1.4;
}
.conv-icon { color: var(--cyan-glow); }

/* Stage 3: Latent Vector */
.latent-summary {
  font-size: 12px;
  color: var(--text-muted);
  line-height: 1.45;
}

.latent-spark-wrap {
  background: #05070b;
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  padding: 10px;
}

.spark-label {
  display: flex;
  justify-content: space-between;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--text-dim);
  margin-bottom: 8px;
}

.latent-bars {
  height: 60px;
  display: flex;
  align-items: flex-end;
  gap: 2px;
  overflow: hidden;
}

.latent-bar-col {
  flex: 1;
  background: var(--amber-glow);
  border-radius: 1px 1px 0 0;
  transition: height 0.4s ease;
  min-width: 2px;
}

.latent-tags-wrap {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.tags-header {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--text-dim);
}

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

.semantic-tags .tag {
  font-family: var(--font-mono);
  font-size: 12px;
  background: rgba(0, 255, 102, 0.08);
  color: var(--green-glow);
  border: 1px solid rgba(0, 255, 102, 0.25);
  padding: 2px 8px;
  border-radius: var(--radius-sm);
}

/* Stage 4: LSTM Text Decoder */
.caption-terminal {
  background: #05080d;
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  padding: 12px;
  min-height: 100px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.term-status-line {
  display: flex;
  justify-content: space-between;
  font-family: var(--font-mono);
  font-size: 12px;
}

.term-prompt { color: var(--cyan-glow); }
.term-state { color: var(--green-glow); }

.caption-display {
  font-family: var(--font-mono);
  font-size: 14px;
  line-height: 1.5;
  color: #fff;
  flex: 1;
}

.token-word {
  display: inline-block;
  margin-right: 5px;
  color: #fff;
  animation: token-pop 0.15s ease-out;
}

@keyframes token-pop {
  from { transform: translateY(3px); color: var(--cyan-glow); }
  to { transform: translateY(0); color: #fff; }
}

.typing-cursor {
  display: inline-block;
  color: var(--green-glow);
  font-weight: 700;
  animation: blink-cursor 1s steps(2, start) infinite;
}

@keyframes blink-cursor {
  to { visibility: hidden; }
}

.lstm-controls-wrap {
  display: flex;
  gap: 8px;
}

.ctrl-btn {
  flex: 1;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 600;
  padding: 9px 12px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  min-height: 44px;
  transition: color 0.18s ease, background 0.18s ease, border-color 0.18s ease, box-shadow 0.18s ease;
}

.ctrl-btn.primary {
  background: var(--green-glow);
  color: #05080e;
  border: 1px solid var(--green-glow);
  box-shadow: 0 0 12px rgba(0, 255, 102, 0.3);
}

.ctrl-btn.primary:hover {
  background: #33ff85;
}

.ctrl-btn.secondary {
  background: rgba(14, 20, 30, 0.85);
  border: 1px solid var(--border-subtle);
  color: var(--text-main);
}

.ctrl-btn.secondary:hover {
  border-color: var(--cyan-glow);
  color: var(--cyan-glow);
}

.prob-distribution-panel {
  background: #05080d;
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  padding: 10px;
}

.prob-header {
  display: flex;
  justify-content: space-between;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--text-dim);
  margin-bottom: 8px;
}

.prob-bars {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.prob-row {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-mono);
  font-size: 12px;
}

.prob-word {
  min-width: 95px;
  color: var(--text-muted);
  white-space: nowrap;
  font-size: 12px;
}

.prob-track {
  flex: 1;
  height: 8px;
  background: rgba(255, 255, 255, 0.05);
  border-radius: 4px;
  overflow: hidden;
}

.prob-fill {
  height: 100%;
  background: var(--green-glow);
  border-radius: 4px;
  transition: width 0.3s ease;
}

.prob-val {
  min-width: 48px;
  text-align: right;
  color: var(--green-glow);
  font-size: 12px;
}

/* Workbench Footer Stats */
.workbench-footer {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 14px;
  margin-top: 24px;
  padding-top: 20px;
  border-top: 1px solid var(--border-subtle);
}

.bench-stat {
  background: rgba(9, 13, 20, 0.6);
  border: 1px solid var(--border-subtle);
  padding: 10px 14px;
  border-radius: var(--radius-sm);
}

.bench-label {
  display: block;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--text-dim);
  margin-bottom: 4px;
}

.bench-val {
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 600;
  color: var(--text-main);
}
.bench-val.cyan { color: var(--cyan-glow); }
.bench-val.amber { color: var(--amber-glow); }
.bench-val.green { color: var(--green-glow); }

/* SECTION 2: CHRONOLOGY TIMELINE */
.timeline-container {
  display: flex;
  flex-direction: column;
  gap: 28px;
  position: relative;
}

.timeline-container::before {
  content: "";
  position: absolute;
  top: 20px;
  bottom: 20px;
  left: 20px;
  width: 2px;
  background: linear-gradient(to bottom, var(--cyan-glow), var(--green-glow));
  opacity: 0.4;
}

@media (min-width: 768px) {
  .timeline-container::before {
    left: 110px;
  }
}

.timeline-card {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 14px;
  padding-left: 45px;
}

@media (min-width: 768px) {
  .timeline-card {
    flex-direction: row;
    gap: 32px;
    padding-left: 0;
  }
}

.card-timeline-marker {
  display: flex;
  align-items: center;
  gap: 12px;
}

@media (min-width: 768px) {
  .card-timeline-marker {
    width: 110px;
    justify-content: flex-end;
    flex-shrink: 0;
    padding-right: 20px;
    position: relative;
  }
}

.marker-dot {
  position: absolute;
  left: 14px;
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: var(--bg-surface);
  border: 2px solid var(--cyan-glow);
  box-shadow: 0 0 10px var(--cyan-glow);
  z-index: 2;
}

@media (min-width: 768px) {
  .marker-dot {
    left: 104px;
  }
}

.marker-dot.highlight {
  border-color: var(--green-glow);
  box-shadow: 0 0 14px var(--green-glow);
  background: var(--green-glow);
}

.marker-date {
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 700;
  color: var(--cyan-glow);
  letter-spacing: 0.05em;
}

.timeline-card:nth-child(3) .marker-date {
  color: var(--green-glow);
}

.card-content {
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 24px;
  flex: 1;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.25);
  transition: border-color 0.2s ease;
}

.card-content:hover {
  border-color: rgba(0, 240, 255, 0.35);
}

.card-eyebrow {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--cyan-dim);
  margin-bottom: 6px;
}

.card-heading {
  font-size: 1.35rem;
  font-weight: 700;
  color: #fff;
  margin-bottom: 14px;
  line-height: 1.3;
}

.card-content p {
  color: var(--text-muted);
  line-height: 1.65;
  margin-bottom: 14px;
}
.card-content p strong { color: #fff; }

.card-callout {
  background: rgba(0, 240, 255, 0.05);
  border-left: 3px solid var(--cyan-glow);
  padding: 12px 16px;
  border-radius: var(--radius-sm);
  font-size: 13px;
  color: var(--text-main);
  line-height: 1.55;
  margin-top: 14px;
}

.card-callout.code-callout {
  background: rgba(255, 176, 32, 0.05);
  border-left-color: var(--amber-glow);
}

.card-callout code {
  font-family: var(--font-mono);
  background: rgba(0, 0, 0, 0.4);
  padding: 2px 6px;
  border-radius: 3px;
  color: var(--amber-glow);
}

.press-quotes-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px;
  margin-top: 16px;
}

@media (min-width: 640px) {
  .press-quotes-grid {
    grid-template-columns: 1fr 1fr;
  }
}

.press-snippet {
  background: rgba(6, 10, 16, 0.7);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  padding: 14px;
}

.press-source {
  display: block;
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 600;
  color: var(--cyan-glow);
  margin-bottom: 6px;
}

.press-snippet p {
  font-size: 12px;
  font-style: italic;
  line-height: 1.5;
  margin-bottom: 0;
}

/* SECTION 3: TECHNICAL ARCHITECTURE DEEP DIVE */
.tech-spec-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
}

@media (min-width: 860px) {
  .tech-spec-layout {
    grid-template-columns: 1fr 1fr;
  }
}

.tech-card {
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 24px;
  display: flex;
  flex-direction: column;
}

.tech-card-header {
  border-bottom: 1px solid var(--border-subtle);
  padding-bottom: 14px;
  margin-bottom: 18px;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.tech-step {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.15em;
  color: var(--cyan-dim);
}

.tech-title {
  font-size: 1.25rem;
  font-weight: 700;
  color: #fff;
}

.tech-pill {
  align-self: flex-start;
  font-family: var(--font-mono);
  font-size: 12px;
  padding: 3px 8px;
  border-radius: var(--radius-sm);
}
.tech-pill.cyan { background: rgba(0, 240, 255, 0.1); color: var(--cyan-glow); }
.tech-pill.green { background: rgba(0, 255, 102, 0.1); color: var(--green-glow); }

.tech-card-body p {
  color: var(--text-muted);
  line-height: 1.6;
  margin-bottom: 16px;
}

.equation-block {
  background: #04070b;
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  padding: 14px;
  margin-bottom: 18px;
  overflow-x: auto;
}

.equation-block code {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--cyan-glow);
  white-space: pre-wrap;
  word-break: break-all;
}

.tech-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.tech-list li {
  font-size: 13px;
  color: var(--text-muted);
  line-height: 1.55;
  position: relative;
  padding-left: 18px;
}

.tech-list li::before {
  content: "▸";
  position: absolute;
  left: 0;
  color: var(--cyan-glow);
  font-size: 12px;
}

.tech-list strong {
  color: #fff;
}

/* SECTION 4: TORCH7 LUA TERMINAL SHELL */
.terminal-shell {
  background: #05080e;
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: 0 16px 36px rgba(0, 0, 0, 0.6);
}

.shell-chrome {
  background: #090d14;
  border-bottom: 1px solid var(--border-subtle);
  padding: 8px 16px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
}

.shell-dots {
  display: flex;
  gap: 6px;
}

.shell-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
}
.shell-dot.red { background: #ff5f56; }
.shell-dot.yellow { background: #ffbd2e; }
.shell-dot.green { background: #27c93f; }

.shell-tabs {
  display: flex;
  gap: 4px;
  overflow-x: auto;
}

.shell-tab {
  background: transparent;
  border: 1px solid transparent;
  color: var(--text-muted);
  font-family: var(--font-mono);
  font-size: 12px;
  padding: 8px 14px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  white-space: nowrap;
  min-height: 44px;
  min-width: 44px;
  display: inline-flex;
  align-items: center;
  transition: color 0.15s ease, background-color 0.15s ease, border-color 0.15s ease;
}

.shell-tab:hover {
  color: var(--text-main);
  background: rgba(255, 255, 255, 0.04);
}

.shell-tab.active {
  background: rgba(0, 240, 255, 0.1);
  border-color: rgba(0, 240, 255, 0.3);
  color: var(--cyan-glow);
}

.shell-copy-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: rgba(18, 24, 34, 0.8);
  border: 1px solid var(--border-subtle);
  color: var(--text-muted);
  font-family: var(--font-mono);
  font-size: 12px;
  padding: 8px 14px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  min-height: 44px;
  min-width: 44px;
  transition: color 0.15s ease, border-color 0.15s ease;
}

.shell-copy-btn:hover {
  border-color: var(--cyan-glow);
  color: var(--cyan-glow);
}

.shell-viewport {
  padding: 20px;
  max-height: 480px;
  overflow-y: auto;
}

.shell-pane {
  display: none;
}

.shell-pane.active {
  display: block;
}

.code-block {
  font-family: var(--font-mono);
  font-size: 12px;
  line-height: 1.6;
  color: #c9d1d9;
  white-space: pre-wrap;
  word-break: break-all;
}

/* Syntax Highlighting */
.c-comment { color: #8c99a8; font-style: italic; }
.c-keyword { color: #ff7b72; font-weight: 600; }
.c-func { color: #79c0ff; }
.c-str { color: #a5d6ff; }
.c-num { color: #f2cc60; }

/* SECTION 5: LEGACY & IMPACT */
.legacy-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 20px;
  margin-bottom: 30px;
}

@media (min-width: 860px) {
  .legacy-grid {
    grid-template-columns: 1fr 1fr 1fr;
  }
}

.legacy-box {
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 24px;
}

.legacy-icon {
  font-family: var(--font-mono);
  font-size: 16px;
  font-weight: 700;
  color: var(--cyan-glow);
  margin-bottom: 12px;
}

.legacy-heading {
  font-size: 1.15rem;
  font-weight: 700;
  color: #fff;
  margin-bottom: 10px;
}

.legacy-box p {
  font-size: 13px;
  color: var(--text-muted);
  line-height: 1.6;
}

.verification-card {
  background: rgba(10, 14, 22, 0.7);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 20px;
}

.verification-header {
  margin-bottom: 10px;
}

.verif-badge {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--amber-glow);
  background: rgba(255, 176, 32, 0.1);
  border: 1px solid rgba(255, 176, 32, 0.3);
  padding: 3px 8px;
  border-radius: var(--radius-sm);
}

.verification-body p {
  font-size: 13px;
  color: var(--text-muted);
  line-height: 1.6;
}

.verification-body a {
  color: var(--cyan-glow);
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* Cockpit Footer */
.cockpit-footer {
  border-top: 1px solid var(--border-subtle);
  background: #05070c;
  padding: 56px 24px;
  text-align: center;
}

.footer-simple {
  max-width: 800px;
  margin: 0 auto;
  display: flex;
  justify-content: center;
  align-items: center;
}

.footer-memory {
  font-family: var(--font-mono);
  font-size: 14px;
  letter-spacing: 0.05em;
  color: var(--text-dim);
  margin: 0;
  text-align: center;
}

/* Reduced Motion Mode */
@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto !important;
  }
  * {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
  .scan-laser { display: none; }
  .pulse-wire { animation: none; stroke: var(--cyan-glow); }
}