/* ════════════════════════════════════════════════════════════════
   FLOAT:LAB — Experimental Portal Stylesheet
   Design: Dark futuristic glassmorphism with accent-driven theming
   ════════════════════════════════════════════════════════════════ */

@import url('https://fonts.googleapis.com/css2?family=Outfit:wght@300;400;500;600;700;800;900&family=JetBrains+Mono:wght@300;400;500;600;700&family=Syne:wght@400;500;600;700;800&display=swap');

/* ── Design Tokens ── */
:root {
  --lab-bg: #0a0a14;
  --lab-bg-elevated: #0f0f1c;
  --lab-surface: rgba(255, 255, 255, 0.06);
  --lab-surface-hover: rgba(255, 255, 255, 0.1);
  --lab-border: rgba(255, 255, 255, 0.1);
  --lab-border-hover: rgba(255, 255, 255, 0.18);
  --lab-text: #ffffff;
  --lab-text-muted: #aaaaaa;
  --lab-text-dim: #888888;
  --lab-blur: 12px;

  /* Theme accent palette */
  --lab-cyan: #f59e0b;
  --lab-cyan-glow: rgba(245, 158, 11, 0.15);
  --lab-cyan-soft: rgba(245, 158, 11, 0.08);
  --lab-red: #ff2d55;
  --lab-red-glow: rgba(255, 45, 85, 0.15);
  --lab-red-soft: rgba(255, 45, 85, 0.08);
  --lab-purple: #a855f7;
  --lab-purple-glow: rgba(168, 85, 247, 0.15);
  --lab-purple-soft: rgba(168, 85, 247, 0.08);
  --lab-amber: #14b8a6;
  --lab-amber-glow: rgba(20, 184, 166, 0.15);
  --lab-amber-soft: rgba(20, 184, 166, 0.08);
  --lab-blue: #3b82f6;
  --lab-blue-glow: rgba(59, 130, 246, 0.15);
  --lab-blue-soft: rgba(59, 130, 246, 0.08);
  --lab-green: #22c55e;
  --lab-green-glow: rgba(34, 197, 94, 0.15);
  --lab-green-soft: rgba(34, 197, 94, 0.08);

  /* Shared easing */
  --lab-ease: cubic-bezier(.16, 1, .3, 1);
  --lab-ease-bounce: cubic-bezier(.34, 1.56, .64, 1);
}


/* ════════════════════════════════════════════════════════════════
   1. PAGE-LEVEL DARK OVERRIDE
   ════════════════════════════════════════════════════════════════ */

.lab-page {
  background: var(--lab-bg) !important;
  min-height: 100vh;
  position: relative;
  overflow-x: clip;
  color: var(--lab-text);
}

/* Force dark header */
.lab-page .header {
  background: rgba(10, 10, 20, 0.6);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.lab-page .nav .nav__item {
  color: rgba(255, 255, 255, 0.45);
}
.lab-page .nav .nav__item.--active {
  color: #fff;
}
.lab-page .nav .nav__item:hover {
  color: rgba(255, 255, 255, 0.7);
}
.lab-page .logo-small img,
.lab-page .logo-small svg {
  filter: brightness(0) invert(1);
}
.lab-page .logo-small svg path {
  fill: #fff;
}
.lab-page .menu-btn {
  color: #fff;
}
.lab-page .lang__current {
  background: rgba(255, 255, 255, 0.06);
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.08);
}
.lab-page .lang__current:hover {
  background: rgba(255, 255, 255, 0.12);
}

/* Nav menu — keep it white (it overlays) */
.lab-page .nav-menu {
  background: #fff;
}


/* ════════════════════════════════════════════════════════════════
   2. HERO SECTION — Main Portal
   ════════════════════════════════════════════════════════════════ */

.lab-hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 120px 24px 60px;
  overflow: hidden;
}

/* Ambient radial glow behind hero */
.lab-hero::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 800px;
  height: 800px;
  transform: translate(-50%, -55%);
  background: radial-gradient(
    circle,
    rgba(245, 158, 11, 0.06) 0%,
    rgba(168, 85, 247, 0.04) 30%,
    rgba(255, 45, 85, 0.02) 60%,
    transparent 80%
  );
  pointer-events: none;
  z-index: 0;
}

/* Subtle grid overlay */
.lab-hero::after {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.015) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.015) 1px, transparent 1px);
  background-size: 60px 60px;
  mask-image: radial-gradient(ellipse 70% 60% at 50% 40%, black 30%, transparent 80%);
  -webkit-mask-image: radial-gradient(ellipse 70% 60% at 50% 40%, black 30%, transparent 80%);
  pointer-events: none;
  z-index: 0;
}

.lab-hero > * {
  position: relative;
  z-index: 1;
}

/* Particle canvas container */
.lab-particles {
  position: absolute;
  inset: 0;
  z-index: 0;
  pointer-events: none;
}
.lab-particles canvas {
  display: block;
  width: 100%;
  height: 100%;
}

/* Hero title — gradient text "FLOAT:LAB" */
.lab-hero__title {
  font-family: 'Syne', 'Outfit', sans-serif;
  font-size: clamp(36px, 10vw, 120px);
  font-weight: 800;
  letter-spacing: -3px;
  line-height: 1;
  margin: 0 0 16px;
  overflow-wrap: break-word;
  word-break: break-word;
  background: linear-gradient(
    135deg,
    #ffffff 0%,
    #f59e0b 25%,
    #a855f7 50%,
    #ff2d55 75%,
    #14b8a6 100%
  );
  background-size: 300% 300%;
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  animation: labGradientShift 8s ease infinite;
}

@keyframes labGradientShift {
  0%, 100% { background-position: 0% 50%; }
  25% { background-position: 100% 50%; }
  50% { background-position: 100% 0%; }
  75% { background-position: 0% 100%; }
}

.lab-hero__subtitle {
  font-family: 'JetBrains Mono', monospace;
  font-size: clamp(13px, 1.4vw, 16px);
  font-weight: 400;
  color: var(--lab-text-muted);
  letter-spacing: 4px;
  text-transform: uppercase;
  margin: 0 0 12px;
}

.lab-hero__desc {
  font-family: 'Outfit', sans-serif;
  font-size: clamp(15px, 1.6vw, 18px);
  font-weight: 300;
  color: var(--lab-text-dim);
  max-width: 540px;
  line-height: 1.6;
  margin: 0;
}

/* Scroll indicator */
.lab-hero__scroll {
  position: absolute;
  bottom: 36px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  opacity: 0.4;
  animation: labScrollPulse 2.5s ease-in-out infinite;
}

.lab-hero__scroll span {
  font-family: 'JetBrains Mono', monospace;
  font-size: 16px;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--lab-text-dim);
}

.lab-hero__scroll::after {
  content: '';
  width: 1px;
  height: 24px;
  background: linear-gradient(to bottom, var(--lab-text-dim), transparent);
}

@keyframes labScrollPulse {
  0%, 100% { opacity: 0.4; transform: translateX(-50%) translateY(0); }
  50% { opacity: 0.2; transform: translateX(-50%) translateY(6px); }
}


/* ════════════════════════════════════════════════════════════════
   3. CONTENT SECTION CONTAINER
   ════════════════════════════════════════════════════════════════ */

.lab-section {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 24px 80px;
  position: relative;
}

.lab-section__label {
  font-family: 'JetBrains Mono', monospace;
  font-size: 16px;
  font-weight: 500;
  letter-spacing: 3px;
  text-transform: uppercase;
  color: var(--lab-text-dim);
  margin: 0 0 32px;
  padding-left: 2px;
}

.lab-section__label::before {
  content: '//';
  margin-right: 8px;
  color: var(--lab-cyan);
  opacity: 0.5;
}


/* ════════════════════════════════════════════════════════════════
   4. MAIN PRODUCTS — Premium 2-column cards (RIDM / Float:Right)
   ════════════════════════════════════════════════════════════════ */

.lab-main-products {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
  margin-bottom: 64px;
}

.lab-main-card {
  position: relative;
  background: var(--lab-surface);
  backdrop-filter: blur(var(--lab-blur));
  -webkit-backdrop-filter: blur(var(--lab-blur));
  border: 1px solid var(--lab-border);
  border-radius: 20px;
  padding: 40px 36px;
  text-decoration: none;
  color: var(--lab-text);
  display: flex;
  flex-direction: column;
  gap: 16px;
  overflow: hidden;
  transition:
    transform 0.45s var(--lab-ease),
    box-shadow 0.45s var(--lab-ease),
    border-color 0.45s var(--lab-ease),
    background 0.45s var(--lab-ease);
  cursor: pointer;
}

/* Shimmering top-edge accent line */
.lab-main-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--card-accent, var(--lab-cyan)), transparent);
  opacity: 0;
  transition: opacity 0.45s var(--lab-ease);
}

/* Radial glow in top-right corner */
.lab-main-card::after {
  content: '';
  position: absolute;
  top: -40px;
  right: -40px;
  width: 180px;
  height: 180px;
  border-radius: 50%;
  background: radial-gradient(circle, var(--card-glow, var(--lab-cyan-glow)), transparent 70%);
  opacity: 0;
  transition: opacity 0.5s var(--lab-ease);
  pointer-events: none;
}

.lab-main-card:hover {
  transform: translateY(-4px);
  background: var(--lab-surface-hover);
  border-color: var(--lab-border-hover);
  box-shadow:
    0 8px 40px var(--card-glow, var(--lab-cyan-glow)),
    0 0 0 1px var(--lab-border-hover);
}
.lab-main-card:hover::before {
  opacity: 1;
}
.lab-main-card:hover::after {
  opacity: 0.6;
}

.lab-main-card__icon {
  width: 48px;
  height: 48px;
  border-radius: 14px;
  background: var(--card-soft, var(--lab-cyan-soft));
  border: 1px solid rgba(255, 255, 255, 0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 22px;
  flex-shrink: 0;
  transition: transform 0.4s var(--lab-ease-bounce), box-shadow 0.4s var(--lab-ease);
}

.lab-main-card:hover .lab-main-card__icon {
  transform: scale(1.08);
  box-shadow: 0 0 20px var(--card-glow, var(--lab-cyan-glow));
}

.lab-main-card__icon img {
  width: 28px;
  height: 28px;
  display: block;
  border-radius: 6px;
}

.lab-main-card__name {
  font-family: 'Syne', 'Outfit', sans-serif;
  font-size: 26px;
  font-weight: 700;
  letter-spacing: -0.5px;
  margin: 0;
  line-height: 1.2;
}

.lab-main-card__desc {
  font-family: 'Outfit', sans-serif;
  font-size: 16px;
  font-weight: 300;
  color: var(--lab-text-muted);
  line-height: 1.65;
  margin: 0;
}

.lab-main-card__tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-family: 'JetBrains Mono', monospace;
  font-size: 16px;
  font-weight: 500;
  letter-spacing: 1px;
  text-transform: uppercase;
  color: var(--card-accent, var(--lab-cyan));
  margin-top: auto;
  padding-top: 8px;
}

.lab-main-card__tag::after {
  content: '\2192';
  font-size: 16px;
  transition: transform 0.3s var(--lab-ease);
}
.lab-main-card:hover .lab-main-card__tag::after {
  transform: translateX(4px);
}

/* Per-product accent overrides */
.lab-main-card--ridm {
  --card-accent: var(--lab-blue);
  --card-glow: var(--lab-blue-glow);
  --card-soft: var(--lab-blue-soft);
}
.lab-main-card--floatright {
  --card-accent: var(--lab-red);
  --card-glow: var(--lab-red-glow);
  --card-soft: var(--lab-red-soft);
}


/* ════════════════════════════════════════════════════════════════
   5. THEME CARDS — 2x2 grid (webapp / game / AI / hardware)
   ════════════════════════════════════════════════════════════════ */

.lab-themes {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}

.lab-theme-card {
  position: relative;
  background: var(--lab-surface);
  backdrop-filter: blur(var(--lab-blur));
  -webkit-backdrop-filter: blur(var(--lab-blur));
  border: 1px solid var(--lab-border);
  border-radius: 16px;
  padding: 32px 28px;
  text-decoration: none;
  color: var(--lab-text);
  display: flex;
  flex-direction: column;
  gap: 12px;
  overflow: hidden;
  transition:
    transform 0.4s var(--lab-ease),
    box-shadow 0.4s var(--lab-ease),
    border-color 0.4s var(--lab-ease),
    background 0.4s var(--lab-ease);
  cursor: pointer;
}

/* Left accent bar */
.lab-theme-card::before {
  content: '';
  position: absolute;
  left: 0;
  top: 20%;
  bottom: 20%;
  width: 3px;
  border-radius: 0 3px 3px 0;
  background: var(--theme-accent, var(--lab-cyan));
  opacity: 0.3;
  transition: opacity 0.4s var(--lab-ease), top 0.4s var(--lab-ease), bottom 0.4s var(--lab-ease);
}

/* Corner glow */
.lab-theme-card::after {
  content: '';
  position: absolute;
  top: -30px;
  right: -30px;
  width: 120px;
  height: 120px;
  border-radius: 50%;
  background: radial-gradient(circle, var(--theme-glow, rgba(245, 158, 11, 0.08)), transparent 70%);
  opacity: 0;
  transition: opacity 0.4s var(--lab-ease);
  pointer-events: none;
}

.lab-theme-card:hover {
  transform: translateY(-4px);
  background: var(--lab-surface-hover);
  border-color: var(--lab-border-hover);
  box-shadow:
    0 6px 30px var(--theme-glow, var(--lab-cyan-glow)),
    0 0 0 1px var(--lab-border-hover);
}
.lab-theme-card:hover::before {
  opacity: 0.8;
  top: 10%;
  bottom: 10%;
}
.lab-theme-card:hover::after {
  opacity: 1;
}

.lab-theme-card__icon {
  font-size: 28px;
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 12px;
  background: var(--theme-soft, rgba(245, 158, 11, 0.06));
  transition: transform 0.35s var(--lab-ease-bounce);
}
.lab-theme-card:hover .lab-theme-card__icon {
  transform: scale(1.1) rotate(-3deg);
}

.lab-theme-card__name {
  font-family: 'Syne', 'Outfit', sans-serif;
  font-size: 20px;
  font-weight: 700;
  letter-spacing: -0.3px;
  margin: 0;
}

.lab-theme-card__desc {
  font-family: 'Outfit', sans-serif;
  font-size: 16px;
  font-weight: 300;
  color: var(--lab-text-muted);
  line-height: 1.55;
  margin: 0;
}

.lab-theme-card__arrow {
  font-family: 'JetBrains Mono', monospace;
  font-size: 16px;
  letter-spacing: 1px;
  text-transform: uppercase;
  color: var(--theme-accent, var(--lab-cyan));
  margin-top: auto;
  padding-top: 4px;
  display: flex;
  align-items: center;
  gap: 6px;
}
.lab-theme-card__arrow::after {
  content: '\2192';
  font-size: 16px;
  transition: transform 0.3s var(--lab-ease);
}
.lab-theme-card:hover .lab-theme-card__arrow::after {
  transform: translateX(4px);
}

/* Theme accent variants */
.lab-theme-card--webapp {
  --theme-accent: var(--lab-cyan);
  --theme-glow: var(--lab-cyan-glow);
  --theme-soft: var(--lab-cyan-soft);
}
.lab-theme-card--game {
  --theme-accent: var(--lab-red);
  --theme-glow: var(--lab-red-glow);
  --theme-soft: var(--lab-red-soft);
}
.lab-theme-card--ai {
  --theme-accent: var(--lab-purple);
  --theme-glow: var(--lab-purple-glow);
  --theme-soft: var(--lab-purple-soft);
}
.lab-theme-card--hardware {
  --theme-accent: var(--lab-amber);
  --theme-glow: var(--lab-amber-glow);
  --theme-soft: var(--lab-amber-soft);
}


/* ════════════════════════════════════════════════════════════════
   6. SUB-PAGE HERO (lab-webapp, lab-game, lab-ai, lab-hardware)
   ════════════════════════════════════════════════════════════════ */

.lab-sub-hero {
  padding: 190px 24px 60px;
  text-align: center;
  position: relative;
  overflow: hidden;
}

/* Ambient top glow for sub-pages */
.lab-sub-hero::before {
  content: '';
  position: absolute;
  top: -100px;
  left: 50%;
  width: 600px;
  height: 400px;
  transform: translateX(-50%);
  background: radial-gradient(ellipse, var(--sub-glow, rgba(245, 158, 11, 0.06)), transparent 70%);
  pointer-events: none;
}

.lab-sub-hero > * {
  position: relative;
  z-index: 1;
}

.lab-back {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: 'JetBrains Mono', monospace;
  font-size: 16px;
  font-weight: 400;
  letter-spacing: 1px;
  text-transform: uppercase;
  color: var(--lab-text-dim);
  text-decoration: none;
  margin-bottom: 32px;
  transition: color 0.3s ease;
}
.lab-back:hover {
  color: var(--lab-text-muted);
}
.lab-back::before {
  content: '\2190';
  font-size: 16px;
  transition: transform 0.3s var(--lab-ease);
}
.lab-back:hover::before {
  transform: translateX(-3px);
}

.lab-sub-hero__icon {
  font-size: 48px;
  margin-bottom: 20px;
  display: inline-block;
  animation: labIconFloat 4s ease-in-out infinite;
}

@keyframes labIconFloat {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-6px); }
}

.lab-sub-hero__title {
  font-family: 'Syne', 'Outfit', sans-serif;
  font-size: clamp(36px, 6vw, 56px);
  font-weight: 800;
  letter-spacing: -1.5px;
  margin: 0 0 12px;
  color: var(--lab-text);
}

.lab-sub-hero__subtitle {
  font-family: 'Outfit', sans-serif;
  font-size: clamp(15px, 1.6vw, 18px);
  font-weight: 300;
  color: var(--lab-text-muted);
  max-width: 520px;
  margin: 0 auto;
  line-height: 1.6;
}


/* ════════════════════════════════════════════════════════════════
   7. WEB APP PAGE — Service cards
   ════════════════════════════════════════════════════════════════ */

.lab-services {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 20px;
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 24px 80px;
}

.lab-service-card {
  position: relative;
  background: var(--lab-surface);
  backdrop-filter: blur(var(--lab-blur));
  -webkit-backdrop-filter: blur(var(--lab-blur));
  border: 1px solid var(--lab-border);
  border-radius: 16px;
  padding: 32px 28px;
  text-decoration: none;
  color: var(--lab-text);
  display: flex;
  flex-direction: column;
  gap: 12px;
  overflow: hidden;
  transition:
    transform 0.4s var(--lab-ease),
    box-shadow 0.4s var(--lab-ease),
    border-color 0.4s var(--lab-ease);
}

.lab-service-card:hover {
  transform: translateY(-4px);
  border-color: var(--lab-border-hover);
  box-shadow: 0 8px 32px var(--lab-cyan-glow);
}

.lab-service-card__icon {
  font-size: 32px;
  width: 52px;
  height: 52px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 14px;
  background: var(--lab-cyan-soft);
  border: 1px solid rgba(245, 158, 11, 0.1);
  transition: transform 0.35s var(--lab-ease-bounce);
}
.lab-service-card:hover .lab-service-card__icon {
  transform: scale(1.08);
}

.lab-service-card__name {
  font-family: 'Syne', 'Outfit', sans-serif;
  font-size: 18px;
  font-weight: 700;
  margin: 0;
  letter-spacing: -0.3px;
}

.lab-service-card__desc {
  font-family: 'Outfit', sans-serif;
  font-size: 16px;
  font-weight: 300;
  color: var(--lab-text-muted);
  line-height: 1.6;
  margin: 0;
}

.lab-service-card__link {
  font-family: 'JetBrains Mono', monospace;
  font-size: 16px;
  letter-spacing: 0.5px;
  color: var(--lab-cyan);
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin-top: auto;
  padding-top: 8px;
  transition: gap 0.3s var(--lab-ease);
}
.lab-service-card__link::after {
  content: '\2192';
  transition: transform 0.3s var(--lab-ease);
}
.lab-service-card:hover .lab-service-card__link::after {
  transform: translateX(3px);
}

/* App store badge row */
.lab-service-card__badges {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  margin-top: 8px;
}

.lab-service-card__badges a {
  display: block;
  transition: transform 0.3s var(--lab-ease), opacity 0.3s ease;
  opacity: 0.7;
}
.lab-service-card__badges a:hover {
  transform: scale(1.05);
  opacity: 1;
}
.lab-service-card__badges img {
  height: 36px;
  display: block;
}


/* ════════════════════════════════════════════════════════════════
   8. GAME PAGE
   ════════════════════════════════════════════════════════════════ */

.lab-game-hero {
  padding: 140px 24px 40px;
  position: relative;
  overflow: hidden;
}

/* Full-width banner image */
.lab-game-banner {
  width: 100%;
  max-width: 1100px;
  margin: 0 auto 40px;
  border-radius: 20px;
  overflow: hidden;
  border: 1px solid var(--lab-border);
  position: relative;
}

.lab-game-banner img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}

/* Gradient overlay on banner bottom */
.lab-game-banner::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 50%;
  background: linear-gradient(to top, var(--lab-bg), transparent);
  pointer-events: none;
}

.lab-game-info {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 24px 80px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: start;
}

.lab-game-info__text {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.lab-game-info__title {
  font-family: 'Syne', 'Outfit', sans-serif;
  font-size: clamp(32px, 5vw, 48px);
  font-weight: 800;
  letter-spacing: -1px;
  margin: 0;
  color: var(--lab-text);
  position: relative;
  display: inline-block;
}

/* Glitch effect on game title hover */
.lab-game-info__title:hover {
  animation: labGlitch 0.4s ease-in-out;
}

@keyframes labGlitch {
  0% { transform: translate(0); }
  10% { transform: translate(-2px, 1px); filter: hue-rotate(30deg); }
  20% { transform: translate(2px, -1px); filter: hue-rotate(-30deg); }
  30% { transform: translate(-1px, -2px); filter: hue-rotate(60deg); }
  40% { transform: translate(1px, 2px); filter: hue-rotate(-60deg); }
  50% { transform: translate(0); filter: hue-rotate(0deg); }
  60% { transform: translate(-2px, 0); text-shadow: 2px 0 var(--lab-red), -2px 0 var(--lab-cyan); }
  70% { transform: translate(2px, 1px); text-shadow: -2px 0 var(--lab-red), 2px 0 var(--lab-cyan); }
  80% { transform: translate(0, -1px); text-shadow: none; }
  100% { transform: translate(0); filter: none; text-shadow: none; }
}

.lab-game-info__desc {
  font-family: 'Outfit', sans-serif;
  font-size: 16px;
  font-weight: 300;
  color: var(--lab-text-muted);
  line-height: 1.7;
  margin: 0;
}

.lab-game-info__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 4px;
}

.lab-game-info__meta-tag {
  font-family: 'JetBrains Mono', monospace;
  font-size: 16px;
  font-weight: 500;
  letter-spacing: 0.5px;
  padding: 6px 12px;
  border-radius: 8px;
  background: var(--lab-red-soft);
  color: var(--lab-red);
  border: 1px solid rgba(255, 45, 85, 0.12);
}

/* Steam / download button */
.lab-steam-btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 14px 28px;
  border-radius: 12px;
  background: linear-gradient(135deg, rgba(255, 45, 85, 0.1), rgba(255, 45, 85, 0.05));
  border: 1px solid rgba(255, 45, 85, 0.2);
  color: var(--lab-text);
  text-decoration: none;
  font-family: 'Outfit', sans-serif;
  font-size: 16px;
  font-weight: 600;
  transition: all 0.4s var(--lab-ease);
  margin-top: 8px;
}

.lab-steam-btn:hover {
  background: linear-gradient(135deg, rgba(255, 45, 85, 0.2), rgba(255, 45, 85, 0.1));
  border-color: rgba(255, 45, 85, 0.4);
  box-shadow: 0 4px 24px var(--lab-red-glow);
  transform: translateY(-2px);
}

.lab-steam-btn img,
.lab-steam-btn svg {
  width: 20px;
  height: 20px;
}

/* Game screenshots grid */
.lab-game-screenshots {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px;
}

.lab-game-screenshots img {
  width: 100%;
  border-radius: 12px;
  border: 1px solid var(--lab-border);
  transition: transform 0.4s var(--lab-ease), box-shadow 0.4s var(--lab-ease);
  display: block;
}

.lab-game-screenshots img:hover {
  transform: scale(1.03);
  box-shadow: 0 8px 32px rgba(255, 45, 85, 0.1);
}


/* ════════════════════════════════════════════════════════════════
   9. AI PAGE — Models & Hugging Face
   ════════════════════════════════════════════════════════════════ */

.lab-ai-models {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 24px 80px;
}

.lab-ai-card {
  position: relative;
  background: var(--lab-surface);
  backdrop-filter: blur(var(--lab-blur));
  -webkit-backdrop-filter: blur(var(--lab-blur));
  border: 1px solid var(--lab-border);
  border-radius: 14px;
  padding: 28px 28px;
  display: flex;
  align-items: center;
  gap: 20px;
  overflow: hidden;
  transition:
    transform 0.4s var(--lab-ease),
    box-shadow 0.4s var(--lab-ease),
    border-color 0.4s var(--lab-ease);
}

.lab-ai-card:hover {
  transform: translateY(-3px);
  border-color: rgba(168, 85, 247, 0.15);
  box-shadow: 0 6px 28px var(--lab-purple-glow);
}

.lab-ai-card__icon {
  font-size: 28px;
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 12px;
  background: var(--lab-purple-soft);
  border: 1px solid rgba(168, 85, 247, 0.1);
  flex-shrink: 0;
  transition: transform 0.35s var(--lab-ease-bounce);
}

.lab-ai-card:hover .lab-ai-card__icon {
  transform: scale(1.08);
}

.lab-ai-card__body {
  flex: 1;
  min-width: 0;
}

.lab-ai-card__name {
  font-family: 'JetBrains Mono', monospace;
  font-size: 16px;
  font-weight: 600;
  margin: 0 0 4px;
  color: var(--lab-text);
  letter-spacing: -0.3px;
}

.lab-ai-card__desc {
  font-family: 'Outfit', sans-serif;
  font-size: 16px;
  font-weight: 300;
  color: var(--lab-text-muted);
  margin: 0;
  line-height: 1.5;
}

.lab-ai-card__version {
  font-family: 'JetBrains Mono', monospace;
  font-size: 16px;
  font-weight: 400;
  color: var(--lab-purple);
  background: var(--lab-purple-soft);
  padding: 3px 8px;
  border-radius: 6px;
  margin-top: 6px;
  display: inline-block;
  letter-spacing: 0.5px;
}

/* Hugging Face link button */
.lab-hf-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 20px;
  border-radius: 10px;
  background: var(--lab-purple-soft);
  border: 1px solid rgba(168, 85, 247, 0.15);
  color: var(--lab-purple);
  text-decoration: none;
  font-family: 'JetBrains Mono', monospace;
  font-size: 16px;
  font-weight: 500;
  letter-spacing: 0.3px;
  transition: all 0.35s var(--lab-ease);
  flex-shrink: 0;
}

.lab-hf-link:hover {
  background: rgba(168, 85, 247, 0.12);
  border-color: rgba(168, 85, 247, 0.3);
  box-shadow: 0 4px 16px var(--lab-purple-glow);
  transform: translateY(-1px);
}

.lab-hf-link img,
.lab-hf-link svg {
  width: 16px;
  height: 16px;
}

/* Terminal-style code block for AI info */
.lab-ai-terminal {
  background: rgba(0, 0, 0, 0.3);
  border: 1px solid var(--lab-border);
  border-radius: 12px;
  padding: 20px 24px;
  margin-top: 24px;
  font-family: 'JetBrains Mono', monospace;
  font-size: 16px;
  color: var(--lab-text-muted);
  line-height: 1.8;
  overflow-x: auto;
}

.lab-ai-terminal__prompt {
  color: var(--lab-purple);
}

.lab-ai-terminal__comment {
  color: var(--lab-text-dim);
}


/* ════════════════════════════════════════════════════════════════
   10. HARDWARE PAGE — Coming Soon
   ════════════════════════════════════════════════════════════════ */

.lab-coming-soon {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 40px 24px 120px;
  position: relative;
  min-height: 40vh;
}

.lab-coming-soon__icon {
  font-size: 64px;
  margin-bottom: 24px;
  position: relative;
  animation: labPulseIcon 3s ease-in-out infinite;
}

/* Pulse ring around icon */
.lab-coming-soon__icon::after {
  content: '';
  position: absolute;
  inset: -12px;
  border-radius: 50%;
  border: 1px solid var(--lab-amber);
  opacity: 0;
  animation: labPulseRing 3s ease-in-out infinite;
}

@keyframes labPulseIcon {
  0%, 100% { transform: scale(1); }
  50% { transform: scale(1.06); }
}

@keyframes labPulseRing {
  0% { transform: scale(0.8); opacity: 0; }
  40% { opacity: 0.4; }
  100% { transform: scale(1.6); opacity: 0; }
}

.lab-coming-soon__title {
  font-family: 'Syne', 'Outfit', sans-serif;
  font-size: clamp(24px, 4vw, 36px);
  font-weight: 700;
  letter-spacing: -0.5px;
  margin: 0 0 12px;
  color: var(--lab-text);
}

.lab-coming-soon__desc {
  font-family: 'Outfit', sans-serif;
  font-size: 16px;
  font-weight: 300;
  color: var(--lab-text-muted);
  max-width: 420px;
  line-height: 1.6;
  margin: 0 auto;
}

/* Circuit board background decoration */
.lab-circuit-bg {
  position: absolute;
  inset: 0;
  pointer-events: none;
  overflow: hidden;
  z-index: 0;
}

.lab-circuit-bg::before,
.lab-circuit-bg::after {
  content: '';
  position: absolute;
  background: var(--lab-amber);
  opacity: 0.04;
}

/* Horizontal circuit trace */
.lab-circuit-bg::before {
  top: 50%;
  left: 10%;
  right: 10%;
  height: 1px;
}

/* Vertical circuit trace */
.lab-circuit-bg::after {
  left: 50%;
  top: 20%;
  bottom: 20%;
  width: 1px;
}

/* Circuit node dots */
.lab-circuit-dot {
  position: absolute;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--lab-amber);
  opacity: 0.08;
}
.lab-circuit-dot:nth-child(1) { top: 30%; left: 25%; }
.lab-circuit-dot:nth-child(2) { top: 50%; left: 50%; }
.lab-circuit-dot:nth-child(3) { top: 70%; left: 75%; }
.lab-circuit-dot:nth-child(4) { top: 40%; left: 70%; }
.lab-circuit-dot:nth-child(5) { top: 60%; left: 30%; }

/* Animated trace along circuit lines */
.lab-circuit-trace {
  position: absolute;
  width: 20px;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--lab-amber), transparent);
  opacity: 0.15;
  animation: labCircuitTrace 6s linear infinite;
}

@keyframes labCircuitTrace {
  0% { left: 10%; opacity: 0; }
  10% { opacity: 0.15; }
  90% { opacity: 0.15; }
  100% { left: 85%; opacity: 0; }
}


/* ════════════════════════════════════════════════════════════════
   11. STAGGERED FADE-IN ANIMATION
   ════════════════════════════════════════════════════════════════ */

.lab-fade-in {
  opacity: 0;
  transform: translateY(20px);
  transition:
    opacity 0.7s var(--lab-ease),
    transform 0.7s var(--lab-ease);
}

.lab-fade-in.--visible {
  opacity: 1;
  transform: translateY(0);
}

/* Stagger delays for sequential reveal */
.lab-fade-in:nth-child(1) { transition-delay: 0s; }
.lab-fade-in:nth-child(2) { transition-delay: 0.08s; }
.lab-fade-in:nth-child(3) { transition-delay: 0.16s; }
.lab-fade-in:nth-child(4) { transition-delay: 0.24s; }
.lab-fade-in:nth-child(5) { transition-delay: 0.32s; }
.lab-fade-in:nth-child(6) { transition-delay: 0.4s; }
.lab-fade-in:nth-child(7) { transition-delay: 0.48s; }
.lab-fade-in:nth-child(8) { transition-delay: 0.56s; }

/* Alternate animation variants */
.lab-fade-in--up {
  transform: translateY(30px);
}
.lab-fade-in--scale {
  transform: translateY(12px) scale(0.97);
}
.lab-fade-in--scale.--visible {
  transform: translateY(0) scale(1);
}


/* ════════════════════════════════════════════════════════════════
   12. FOOTER DARK OVERRIDE
   ════════════════════════════════════════════════════════════════ */

.lab-page .biz-footer {
  background: #060610;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
}

.lab-page .biz-footer__inner {
  color: rgba(255, 255, 255, 0.55);
}

.lab-page .biz-footer__name {
  color: rgba(255, 255, 255, 0.6);
}

.lab-page .biz-footer__mail {
  color: rgba(255, 255, 255, 0.45);
}

.lab-page .biz-footer__mail:hover {
  color: var(--lab-cyan);
}


/* ════════════════════════════════════════════════════════════════
   13. UTILITY & SHARED ELEMENTS
   ════════════════════════════════════════════════════════════════ */

/* Divider line with fade */
.lab-divider {
  width: 100%;
  max-width: 1100px;
  margin: 0 auto 64px;
  padding: 0 24px;
}

.lab-divider::after {
  content: '';
  display: block;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--lab-border), transparent);
}

/* Status badge */
.lab-status {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-family: 'JetBrains Mono', monospace;
  font-size: 16px;
  font-weight: 500;
  letter-spacing: 1px;
  text-transform: uppercase;
  padding: 4px 10px;
  border-radius: 6px;
}

.lab-status--live {
  background: rgba(245, 158, 11, 0.08);
  color: var(--lab-cyan);
  border: 1px solid rgba(245, 158, 11, 0.12);
}

.lab-status--live::before {
  content: '';
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--lab-cyan);
  animation: labLiveDot 2s ease-in-out infinite;
}

@keyframes labLiveDot {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.3; }
}

.lab-status--beta {
  background: rgba(20, 184, 166, 0.08);
  color: var(--lab-amber);
  border: 1px solid rgba(20, 184, 166, 0.12);
}

.lab-status--soon {
  background: rgba(255, 255, 255, 0.06);
  color: var(--lab-text-dim);
  border: 1px solid var(--lab-border);
}

/* Glassmorphism panel (reusable) */
.lab-glass {
  background: var(--lab-surface);
  backdrop-filter: blur(var(--lab-blur));
  -webkit-backdrop-filter: blur(var(--lab-blur));
  border: 1px solid var(--lab-border);
  border-radius: 16px;
}

/* Code-style inline tag */
.lab-code {
  font-family: 'JetBrains Mono', monospace;
  font-size: 16px;
  padding: 2px 8px;
  border-radius: 6px;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid var(--lab-border);
  color: var(--lab-text-muted);
}

/* Horizontal scroll tech stack row */
.lab-tech-stack {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  margin-top: 12px;
}

.lab-tech-tag {
  font-family: 'JetBrains Mono', monospace;
  font-size: 16px;
  font-weight: 500;
  letter-spacing: 0.5px;
  text-transform: uppercase;
  padding: 4px 10px;
  border-radius: 6px;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--lab-border);
  color: var(--lab-text-dim);
  transition: all 0.3s ease;
}

.lab-tech-tag:hover {
  background: rgba(255, 255, 255, 0.1);
  color: var(--lab-text-muted);
  border-color: var(--lab-border-hover);
}


/* ════════════════════════════════════════════════════════════════
   14. SCANLINE OVERLAY (optional atmospheric effect)
   ════════════════════════════════════════════════════════════════ */

.lab-scanlines {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 9998;
  background: repeating-linear-gradient(
    0deg,
    transparent,
    transparent 2px,
    rgba(0, 0, 0, 0.015) 2px,
    rgba(0, 0, 0, 0.015) 4px
  );
  mix-blend-mode: multiply;
}


/* ════════════════════════════════════════════════════════════════
   15. NOISE TEXTURE OVERLAY
   ════════════════════════════════════════════════════════════════ */

.lab-noise {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 9997;
  opacity: 0.025;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
  background-repeat: repeat;
  background-size: 256px 256px;
}


/* ════════════════════════════════════════════════════════════════
   16. RESPONSIVE — Tablet (max-width: 768px)
   ════════════════════════════════════════════════════════════════ */

@media (max-width: 768px) {

  .lab-hero {
    padding: 120px 20px 50px;
    min-height: 85vh;
  }

  .lab-hero__title {
    letter-spacing: -2px;
  }

  .lab-hero__subtitle {
    letter-spacing: 2px;
  }

  .lab-section {
    padding: 0 20px 60px;
  }

  /* Stack main products */
  .lab-main-products {
    grid-template-columns: 1fr;
    gap: 16px;
    margin-bottom: 48px;
  }

  .lab-main-card {
    padding: 32px 28px;
  }

  .lab-main-card__name {
    font-size: 22px;
  }

  /* Stack theme cards 2 -> 1 */
  .lab-themes {
    grid-template-columns: 1fr;
    gap: 16px;
  }

  .lab-theme-card {
    padding: 28px 24px;
  }

  /* Sub-page hero */
  .lab-sub-hero {
    padding: 120px 20px 40px;
  }

  /* Game info: stack to single column */
  .lab-game-info {
    grid-template-columns: 1fr;
    gap: 32px;
    padding: 0 20px 60px;
  }

  .lab-game-banner {
    border-radius: 16px;
    margin-bottom: 32px;
  }

  .lab-game-screenshots {
    grid-template-columns: 1fr;
    gap: 10px;
  }

  /* Services: single column */
  .lab-services {
    grid-template-columns: 1fr;
    gap: 16px;
    padding: 0 20px 60px;
  }

  /* AI models */
  .lab-ai-models {
    padding: 0 20px 60px;
  }

  .lab-ai-card {
    flex-direction: column;
    align-items: flex-start;
    gap: 14px;
    padding: 24px 22px;
  }

  .lab-hf-link {
    align-self: flex-start;
  }

  /* Coming soon */
  .lab-coming-soon {
    padding: 32px 20px 80px;
  }

  .lab-coming-soon__icon {
    font-size: 52px;
  }
}


/* ════════════════════════════════════════════════════════════════
   17. RESPONSIVE — Small Mobile (max-width: 480px)
   ════════════════════════════════════════════════════════════════ */

@media (max-width: 480px) {

  .lab-hero {
    padding: 110px 16px 40px;
    min-height: 80vh;
  }

  .lab-hero__title {
    letter-spacing: -1.5px;
  }

  .lab-hero__subtitle {
    font-size: 16px;
    letter-spacing: 2px;
  }

  .lab-hero__desc {
    font-size: 16px;
  }

  .lab-hero__scroll {
    bottom: 24px;
  }

  .lab-section {
    padding: 0 16px 48px;
  }

  .lab-section__label {
    font-size: 16px;
    letter-spacing: 2px;
    margin-bottom: 24px;
  }

  .lab-main-card {
    padding: 28px 22px;
    border-radius: 16px;
  }

  .lab-main-card__icon {
    width: 42px;
    height: 42px;
    border-radius: 12px;
  }

  .lab-main-card__name {
    font-size: 20px;
  }

  .lab-main-card__desc {
    font-size: 16px;
  }

  .lab-theme-card {
    padding: 24px 20px;
    border-radius: 14px;
  }

  .lab-theme-card__icon {
    width: 40px;
    height: 40px;
    font-size: 24px;
  }

  .lab-theme-card__name {
    font-size: 18px;
  }

  .lab-sub-hero {
    padding: 110px 16px 32px;
  }

  .lab-sub-hero__icon {
    font-size: 40px;
    margin-bottom: 16px;
  }

  .lab-back {
    margin-bottom: 24px;
    font-size: 16px;
  }

  .lab-game-banner {
    border-radius: 12px;
    margin-bottom: 24px;
  }

  .lab-game-info {
    gap: 24px;
    padding: 0 16px 48px;
  }

  .lab-game-info__meta-tag {
    font-size: 16px;
    padding: 4px 10px;
  }

  .lab-steam-btn {
    padding: 12px 22px;
    font-size: 16px;
    border-radius: 10px;
  }

  .lab-service-card {
    padding: 24px 20px;
  }

  .lab-service-card__icon {
    width: 44px;
    height: 44px;
    font-size: 26px;
  }

  .lab-service-card__badges img {
    height: 32px;
  }

  .lab-ai-card {
    padding: 22px 18px;
  }

  .lab-ai-card__name {
    font-size: 16px;
  }

  .lab-ai-terminal {
    padding: 16px 18px;
    font-size: 16px;
  }

  .lab-coming-soon {
    padding: 24px 16px 64px;
  }

  .lab-coming-soon__icon {
    font-size: 44px;
    margin-bottom: 20px;
  }

  /* Reduce noise and scanline effects on small screens */
  .lab-scanlines { opacity: 0.3; }
  .lab-noise { opacity: 0.015; }

  /* Reduce fade-in stagger on mobile for snappier feel */
  .lab-fade-in:nth-child(n) {
    transition-delay: 0s;
    transition-duration: 0.5s;
  }
  .lab-fade-in:nth-child(2) { transition-delay: 0.05s; }
  .lab-fade-in:nth-child(3) { transition-delay: 0.1s; }
  .lab-fade-in:nth-child(4) { transition-delay: 0.15s; }
}


/* ════════════════════════════════════════════════════════════════
   17-b. RESPONSIVE — Extra-small phone (max-width: 380px, ~300px)
   ════════════════════════════════════════════════════════════════ */

@media (max-width: 380px) {

  .lab-hero {
    padding: 100px 12px 32px;
    min-height: 75vh;
  }

  .lab-hero__title {
    letter-spacing: -1px;
  }

  .lab-hero__subtitle {
    font-size: 14px;
    letter-spacing: 1px;
  }

  .lab-section {
    padding: 0 12px 36px;
  }

  .lab-section__label {
    font-size: 14px;
    letter-spacing: 1px;
    margin-bottom: 20px;
  }

  .lab-main-card {
    padding: 22px 16px;
    border-radius: 12px;
  }

  .lab-main-card__icon {
    width: 36px;
    height: 36px;
    border-radius: 10px;
    margin-bottom: 14px;
  }

  .lab-main-card__name {
    font-size: 18px;
  }

  .lab-main-card__desc {
    font-size: 14px;
  }

  .lab-main-card__tag {
    font-size: 14px;
    padding: 3px 10px;
  }

  .lab-theme-card {
    padding: 20px 16px;
    border-radius: 12px;
  }

  .lab-theme-card__icon {
    width: 36px;
    height: 36px;
    font-size: 20px;
  }

  .lab-theme-card__name {
    font-size: 16px;
  }

  .lab-theme-card__desc {
    font-size: 14px;
  }

  .lab-theme-card__count {
    font-size: 14px;
  }

  .lab-sub-hero {
    padding: 100px 12px 28px;
  }

  .lab-sub-hero__icon {
    font-size: 32px;
    margin-bottom: 12px;
  }

  .lab-game-info {
    gap: 20px;
    padding: 0 12px 36px;
  }

  .lab-service-card {
    padding: 20px 16px;
  }

  .lab-service-card__icon {
    width: 38px;
    height: 38px;
    font-size: 22px;
  }

  .lab-service-card__name {
    font-size: 16px;
  }

  .lab-service-card__desc {
    font-size: 14px;
  }

  .lab-ai-card {
    padding: 18px 14px;
  }

  .lab-ai-card__name {
    font-size: 16px;
  }

  .lab-ai-card__specs {
    gap: 6px;
  }

  .lab-ai-terminal {
    padding: 14px 14px;
    font-size: 14px;
  }

  .lab-hf-link {
    font-size: 14px;
    padding: 10px 16px;
  }

  .lab-coming-soon {
    padding: 20px 12px 48px;
  }

  .lab-coming-soon__icon {
    font-size: 36px;
    margin-bottom: 16px;
  }

  .lab-services {
    padding: 0 12px 36px;
  }

  .lab-ai-models {
    padding: 0 12px 36px;
  }

  /* Scanlines/noise off on tiny screens for perf */
  .lab-scanlines,
  .lab-noise { display: none; }
}


/* ════════════════════════════════════════════════════════════════
   18. MOTION PREFERENCES — Reduced motion
   ════════════════════════════════════════════════════════════════ */

@media (prefers-reduced-motion: reduce) {
  .lab-hero__title {
    animation: none;
    background-position: 0% 50%;
  }

  .lab-hero__scroll {
    animation: none;
    opacity: 0.3;
  }

  .lab-sub-hero__icon {
    animation: none;
  }

  .lab-coming-soon__icon {
    animation: none;
  }

  .lab-coming-soon__icon::after {
    animation: none;
    display: none;
  }

  .lab-circuit-trace {
    animation: none;
    display: none;
  }

  .lab-status--live::before {
    animation: none;
    opacity: 1;
  }

  .lab-fade-in {
    opacity: 1;
    transform: none;
    transition: none;
  }

  .lab-game-info__title:hover {
    animation: none;
  }
}


/* ════════════════════════════════════════════════════════════════
   19. LAB BACK BUTTON — Fixed left sidebar on PC
   ════════════════════════════════════════════════════════════════ */

.lab-back-fixed {
  position: fixed;
  left: 32px;
  top: 50%;
  transform: translateY(-50%);
  z-index: 9000;
  display: flex;
  align-items: center;
  gap: 6px;
  font-family: 'JetBrains Mono', monospace;
  font-size: 16px;
  font-weight: 400;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.35);
  text-decoration: none;
  writing-mode: vertical-rl;
  text-orientation: mixed;
  transition: color 0.3s ease;
  padding: 16px 8px;
  border-left: 1px solid rgba(255, 255, 255, 0.1);
}
.lab-back-fixed:hover {
  color: rgba(255, 255, 255, 0.5);
  border-left-color: rgba(255, 255, 255, 0.12);
}
.lab-back-fixed::before {
  content: '↑';
  writing-mode: horizontal-tb;
  font-size: 16px;
  transition: transform 0.3s ease;
}
.lab-back-fixed:hover::before {
  transform: translateY(-4px);
}

@media (max-width: 1200px) {
  .lab-back-fixed { display: none; }
}


/* ── Hardware: Fire Simulation Link Button ── */
.hw-sim-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-top: 32px;
  padding: 12px 28px;
  font-family: 'JetBrains Mono', monospace;
  font-size: 14px;
  font-weight: 500;
  letter-spacing: 1px;
  color: var(--lab-amber);
  text-decoration: none;
  border: 1px solid rgba(20, 184, 166, 0.25);
  border-radius: 8px;
  background: rgba(20, 184, 166, 0.06);
  transition: background 0.3s ease, border-color 0.3s ease, color 0.3s ease;
}
.hw-sim-link:hover {
  background: var(--lab-amber);
  border-color: var(--lab-amber);
  color: #0a0a14;
}

/* ════════════════════════════════════════════════════════════════
   20. LAB CATEGORY NAV — Top navigation between sub-pages
   ════════════════════════════════════════════════════════════════ */

.lab-cat-nav {
  position: fixed;
  top: 98px;
  left: 0;
  right: 0;
  z-index: 1400;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
  gap: 4px;
  padding: 10px 24px;
  background: rgba(10, 10, 20, 0.95);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.04);
  transition: top 0.35s cubic-bezier(.16,1,.3,1);
}
/* 헤더-네비 사이 배경 누출 차단 */
.lab-cat-nav::before {
  content: '';
  position: absolute;
  left: 0;
  right: 0;
  bottom: 100%;
  height: 120px;
  background: var(--lab-bg);
  pointer-events: none;
}
/* 헤더 스크롤 시 네비바 위치 자동 조정 */
.header--scrolled ~ .lab-cat-nav { top: 64px; }

.lab-cat-nav__link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 14px;
  font-family: 'JetBrains Mono', monospace;
  font-size: 16px;
  font-weight: 400;
  letter-spacing: 1px;
  color: rgba(255, 255, 255, 0.5);
  text-decoration: none;
  border-radius: 6px;
  transition: color 0.3s, background 0.3s;
  white-space: nowrap;
}
.lab-cat-nav__link:hover {
  color: rgba(255, 255, 255, 0.6);
  background: rgba(255, 255, 255, 0.04);
}
.lab-cat-nav__link.--active {
  color: rgba(255, 255, 255, 0.7);
  background: rgba(255, 255, 255, 0.06);
}

.lab-cat-nav__dot {
  width: 4px;
  height: 4px;
  border-radius: 50%;
  flex-shrink: 0;
}

/* Theme colors for dots */
.lab-cat-nav__link[data-cat="home"] .lab-cat-nav__dot { background: var(--lab-cyan); }
.lab-cat-nav__link[data-cat="home"] { font-weight: 600; }
.lab-cat-nav__link[data-cat="webapp"] .lab-cat-nav__dot { background: var(--lab-cyan); }
.lab-cat-nav__link[data-cat="game"] .lab-cat-nav__dot { background: var(--lab-red); }
.lab-cat-nav__link[data-cat="ai"] .lab-cat-nav__dot { background: var(--lab-purple); }
.lab-cat-nav__link[data-cat="hw"] .lab-cat-nav__dot { background: var(--lab-amber); }
.lab-cat-nav__link[data-cat="opensource"] .lab-cat-nav__dot { background: var(--lab-green); }

@media (max-width: 768px) {
  .lab-cat-nav {
    top: 72px;
  }
  .lab-cat-nav__link[data-cat="home"],
  .lab-cat-nav__link[data-cat="opensource"] {
    flex: 1;
    justify-content: center;
  }
  .lab-sub-hero {
    padding-top: 210px;
  }
}

@media (max-width: 600px) {
  .lab-cat-nav {
    gap: 3px;
    padding: 8px 12px;
    row-gap: 2px;
  }
  .lab-cat-nav__link {
    font-size: 13px;
    padding: 4px 8px;
    letter-spacing: 0;
  }
}

@media (max-width: 380px) {
  .lab-cat-nav {
    gap: 2px;
    padding: 6px 8px;
    row-gap: 2px;
  }
  .lab-cat-nav__link {
    font-size: 11px;
    padding: 3px 6px;
    gap: 4px;
  }
  .lab-cat-nav__dot {
    width: 3px;
    height: 3px;
  }
}

@media (max-width: 300px) {
  .lab-cat-nav {
    flex-wrap: nowrap;
    overflow-x: auto;
    justify-content: flex-start;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
    -ms-overflow-style: none;
  }
  .lab-cat-nav::-webkit-scrollbar { display: none; }
}