/* collections-3d-lab.html — финальная подача витрин «Коллекции» */

.lab-page {
  --lab-ink: #0a0a0c;
  --lab-slate: #1a1d26;
  --lab-line: rgba(0, 0, 0, 0.08);
  --lab-muted: #5c5c5c;
  --lab-accent-glow: rgba(204, 255, 0, 0.22);
  background-color: #ecebe8;
  background-image:
    linear-gradient(180deg, rgba(255, 255, 255, 0.5) 0%, transparent 32%),
    repeating-linear-gradient(
      -12deg,
      transparent,
      transparent 2px,
      rgba(0, 0, 0, 0.012) 2px,
      rgba(0, 0, 0, 0.012) 3px
    );
  padding-bottom: 56px;
}

/* Hero */
.lab-hero {
  position: relative;
  overflow: hidden;
  color: #fff;
  padding: clamp(2rem, 5vw, 3.25rem) 0;
  background:
    radial-gradient(ellipse 90% 80% at 18% 20%, rgba(204, 255, 0, 0.12), transparent 45%),
    radial-gradient(ellipse 70% 60% at 88% 88%, rgba(59, 89, 152, 0.45), transparent 50%),
    linear-gradient(145deg, #0d0f14 0%, #1a2744 42%, #0a1628 100%);
}

.lab-hero::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--accent) 0%, var(--accent) 18%, transparent 18%, transparent 24%, rgba(255, 255, 255, 0.25) 24%, rgba(255, 255, 255, 0.25) 100%);
}

.lab-hero-grid {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 2rem 3rem;
  align-items: center;
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 20px;
}

@media (max-width: 720px) {
  .lab-hero-grid {
    grid-template-columns: 1fr;
  }
}

.lab-hero-badge {
  display: inline-block;
  margin-bottom: 0.65rem;
  padding: 0.35rem 0.65rem;
  font-size: 0.65rem;
  font-weight: 800;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.92);
  border: 1px solid rgba(255, 255, 255, 0.22);
  background: rgba(0, 0, 0, 0.25);
}

.lab-hero-copy h1 {
  margin: 0 0 0.75rem;
  font-size: clamp(1.65rem, 4.2vw, 2.35rem);
  font-weight: 800;
  line-height: 1.12;
  letter-spacing: -0.02em;
}

.lab-hero-lead {
  margin: 0;
  max-width: 38rem;
  font-size: 1rem;
  line-height: 1.55;
  color: rgba(255, 255, 255, 0.82);
}

.lab-hero-stat {
  text-align: center;
  padding: 1.25rem 1.75rem;
  border: 1px solid rgba(255, 255, 255, 0.14);
  background: rgba(0, 0, 0, 0.22);
  backdrop-filter: blur(8px);
}

.lab-hero-stat-num {
  display: block;
  font-size: 2.75rem;
  font-weight: 800;
  line-height: 1;
  color: var(--accent);
  text-shadow: 0 0 40px var(--lab-accent-glow);
}

.lab-hero-stat-label {
  display: block;
  margin-top: 0.35rem;
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.55);
}

/* Main surface */
.lab-main-surface {
  margin-top: -28px;
  position: relative;
  z-index: 2;
}

.lab-category {
  padding: 0 0 2rem;
}

.lab-category-inner {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 20px;
}

.lab-section-intro {
  margin-bottom: 2rem;
  padding: 1.75rem 0 0.5rem;
}

.lab-category-title {
  margin: 0 0 0.5rem;
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--blue);
  letter-spacing: -0.02em;
}

.lab-category-lead {
  margin: 0 0 1.25rem;
  font-size: 0.95rem;
  color: var(--lab-muted);
  line-height: 1.5;
  max-width: 40rem;
}

.lab-pills {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.lab-pill {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.55rem 1rem;
  font-size: 0.8125rem;
  font-weight: 700;
  color: var(--text);
  text-decoration: none;
  background: #fff;
  border: 1px solid var(--lab-line);
  box-shadow: 0 4px 14px rgba(0, 0, 0, 0.04);
  transition: border-color 0.2s ease, box-shadow 0.2s ease, transform 0.2s ease;
}

.lab-pill:hover {
  border-color: #c8c8c8;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.08);
  transform: translateY(-1px);
}

.lab-pill-num {
  font-size: 0.65rem;
  font-weight: 800;
  letter-spacing: 0.06em;
  color: var(--blue);
}

/* Showcase cards */
.lab-showcase {
  margin-bottom: 2.5rem;
  background: #fff;
  border: 1px solid var(--lab-line);
  box-shadow:
    0 1px 0 rgba(255, 255, 255, 0.8) inset,
    0 24px 48px -12px rgba(0, 0, 0, 0.08),
    0 0 0 1px rgba(0, 0, 0, 0.02);
  scroll-margin-top: 96px;
}

.lab-showcase-head {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-start;
  justify-content: space-between;
  gap: 1rem;
  padding: 1.35rem 1.5rem 1rem;
  border-bottom: 1px solid var(--lab-line);
  background: linear-gradient(180deg, #fafaf8 0%, #fff 100%);
}

.lab-showcase-eyebrow {
  display: block;
  margin-bottom: 0.25rem;
  font-size: 0.65rem;
  font-weight: 800;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--lab-muted);
}

.lab-showcase-title {
  margin: 0;
  font-size: 1.25rem;
  font-weight: 800;
  color: var(--text);
  letter-spacing: -0.02em;
}

.lab-chip {
  flex-shrink: 0;
  padding: 0.4rem 0.75rem;
  font-size: 0.65rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  border: 1px solid var(--lab-line);
}

.lab-chip--css {
  color: #1a5f4a;
  background: linear-gradient(180deg, #e8f8f2 0%, #d4f0e5 100%);
  border-color: #b5e0d0;
}

.lab-chip--webgl {
  color: #2d4373;
  background: linear-gradient(180deg, #eef2fb 0%, #dce5f5 100%);
  border-color: #c5d0e8;
}

.lab-showcase-desc {
  margin: 0;
  padding: 1rem 1.5rem 1.25rem;
  font-size: 0.9rem;
  line-height: 1.55;
  color: var(--lab-muted);
  border-bottom: 1px solid var(--lab-line);
}

/* Carousel stage */
.lab-stage {
  position: relative;
}

.lab-stage--carousel {
  background: var(--lab-ink);
}

.lab-stage-inner {
  position: relative;
  padding-bottom: 0;
}

.lab-carousel-persp {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: clamp(280px, 42vw, 380px);
  padding: 2rem 1.25rem 3.25rem;
  perspective: 1300px;
  overflow: hidden;
  background:
    radial-gradient(ellipse 55% 35% at 50% 88%, rgba(59, 89, 152, 0.35), transparent 55%),
    radial-gradient(ellipse 80% 50% at 50% 100%, rgba(0, 0, 0, 0.85), transparent 55%),
    linear-gradient(180deg, #12141a 0%, #08080a 100%);
}

.lab-carousel-persp::before {
  content: "";
  position: absolute;
  bottom: 0;
  left: 10%;
  right: 10%;
  height: 38%;
  background: radial-gradient(ellipse 70% 55% at 50% 100%, rgba(204, 255, 0, 0.07), transparent 70%);
  pointer-events: none;
}

.lab-carousel-persp::after {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 50% 38%, transparent 0%, rgba(0, 0, 0, 0.55) 100%);
  pointer-events: none;
}

.lab-carousel {
  position: relative;
  z-index: 1;
  width: 200px;
  height: 268px;
  transform-style: preserve-3d;
  animation: lab-car-spin 36s linear infinite;
}

.lab-carousel:hover,
.lab-carousel:focus-within {
  animation-play-state: paused;
}

@keyframes lab-car-spin {
  from {
    transform: rotateY(0deg);
  }
  to {
    transform: rotateY(-360deg);
  }
}

.lab-car-card {
  position: absolute;
  inset: 0;
  width: 200px;
  height: 268px;
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.18);
  box-shadow:
    0 0 0 1px rgba(0, 0, 0, 0.35),
    0 28px 56px rgba(0, 0, 0, 0.65),
    0 0 60px rgba(59, 89, 152, 0.08);
  backface-visibility: hidden;
  transform-style: preserve-3d;
  text-decoration: none;
  color: #fff;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: 1.15rem 1.1rem;
  box-sizing: border-box;
  transition: border-color 0.35s ease, box-shadow 0.35s ease;
}

.lab-car-card:hover,
.lab-car-card:focus-visible {
  border-color: rgba(204, 255, 0, 0.55);
  box-shadow:
    0 0 0 1px rgba(204, 255, 0, 0.2),
    0 32px 64px rgba(0, 0, 0, 0.75),
    0 0 80px rgba(204, 255, 0, 0.12);
}

.lab-car-bg {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
  transform: scale(1.03);
  transition: transform 0.55s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.lab-car-card:hover .lab-car-bg,
.lab-car-card:focus-visible .lab-car-bg {
  transform: scale(1.1);
}

.lab-car-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(0, 0, 0, 0.92) 0%, rgba(0, 0, 0, 0.2) 45%, transparent 72%);
}

.lab-car-text {
  position: relative;
  z-index: 1;
}

.lab-car-title {
  display: block;
  font-weight: 800;
  font-size: 1.1rem;
  letter-spacing: -0.02em;
  margin-bottom: 0.2rem;
}

.lab-car-sub {
  display: block;
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--accent);
  opacity: 0.95;
}

.lab-car-arrow {
  position: absolute;
  top: 1rem;
  right: 1rem;
  z-index: 2;
  width: 2rem;
  height: 2rem;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
  font-weight: 700;
  color: #fff;
  background: rgba(0, 0, 0, 0.35);
  border: 1px solid rgba(255, 255, 255, 0.2);
  opacity: 0;
  transform: translate(4px, -4px);
  transition: opacity 0.3s ease, transform 0.3s ease;
}

.lab-car-card:hover .lab-car-arrow,
.lab-car-card:focus-visible .lab-car-arrow {
  opacity: 1;
  transform: translate(0, 0);
}

.lab-car-card:nth-child(1) {
  transform: rotateY(0deg) translateZ(248px);
}
.lab-car-card:nth-child(2) {
  transform: rotateY(90deg) translateZ(248px);
}
.lab-car-card:nth-child(3) {
  transform: rotateY(180deg) translateZ(248px);
}
.lab-car-card:nth-child(4) {
  transform: rotateY(270deg) translateZ(248px);
}

.lab-stage-hint {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 2;
  margin: 0;
  padding: 0.65rem 1rem;
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-align: center;
  color: rgba(255, 255, 255, 0.45);
  background: linear-gradient(0deg, rgba(0, 0, 0, 0.5) 0%, transparent 100%);
  pointer-events: none;
}

.lab-carousel-fallback {
  display: none;
  padding: 1rem;
  gap: 0.75rem;
  grid-template-columns: repeat(2, 1fr);
  background: var(--lab-ink);
}

.lab-carousel-fallback a {
  position: relative;
  min-height: 120px;
  padding: 1rem;
  display: flex;
  align-items: flex-end;
  text-decoration: none;
  color: #fff;
  font-weight: 800;
  font-size: 0.9rem;
  border: 1px solid rgba(255, 255, 255, 0.12);
  overflow: hidden;
  background-size: cover;
  background-position: center;
  transition: transform 0.25s ease, border-color 0.25s ease;
}

.lab-carousel-fallback a:hover {
  transform: scale(1.02);
  border-color: rgba(204, 255, 0, 0.35);
}

.lab-carousel-fallback a span {
  position: relative;
  z-index: 1;
  text-shadow: 0 2px 12px rgba(0, 0, 0, 0.8);
}

.lab-carousel-fallback a::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(0, 0, 0, 0.82), transparent 50%);
}

@media (prefers-reduced-motion: reduce) {
  .lab-carousel-persp {
    display: none;
  }

  .lab-carousel-fallback {
    display: grid;
    min-height: 260px;
  }

  .lab-stage-hint {
    display: none;
  }
}

/* WebGL viewport */
.lab-viewport {
  padding: 0 1.5rem 1.5rem;
  background: #fafaf8;
}

.lab-viewport-label {
  display: inline-block;
  margin: 0 0 0.65rem;
  padding: 0.3rem 0.55rem;
  font-size: 0.6rem;
  font-weight: 800;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--lab-muted);
  border: 1px solid var(--lab-line);
  background: #fff;
}

.lab-viewport-frame {
  position: relative;
  border-radius: 0;
  overflow: hidden;
  border: 1px solid rgba(0, 0, 0, 0.12);
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.06),
    0 12px 40px rgba(0, 0, 0, 0.12);
}

.lab-viewport-frame::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  box-shadow: inset 0 0 100px rgba(0, 0, 0, 0.22);
  z-index: 1;
}

.lab-canvas-host {
  position: relative;
  height: min(340px, 48vh);
  min-height: 260px;
  background: radial-gradient(ellipse 100% 80% at 50% 100%, #12151c 0%, #060608 55%);
}

.lab-canvas-host canvas {
  display: block;
  width: 100% !important;
  height: 100% !important;
  position: relative;
  z-index: 0;
}

.lab-viewport-actions {
  margin-top: 1rem;
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  align-items: center;
}

.lab-cta {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.65rem 1.15rem;
  font-size: 0.8125rem;
  font-weight: 800;
  color: #000;
  text-decoration: none;
  background: var(--accent);
  border: 1px solid #000;
  box-shadow: 0 4px 0 #000;
  transition: transform 0.15s ease, box-shadow 0.15s ease, background 0.15s ease;
}

.lab-cta:hover {
  background: var(--accent-hover);
  transform: translateY(2px);
  box-shadow: 0 2px 0 #000;
}

.lab-cta:active {
  transform: translateY(4px);
  box-shadow: none;
}

.lab-footer-tight .footer-grid {
  padding-top: 2rem;
  padding-bottom: 2rem;
}

.lab-footer-note {
  margin: 0.5rem 0 0;
  font-size: 0.8125rem;
  color: var(--text-muted);
}

.lab-footer-note code {
  font-size: 0.75rem;
}

@media (max-width: 520px) {
  .lab-carousel,
  .lab-car-card {
    width: 170px;
    height: 228px;
  }

  .lab-car-card:nth-child(1) {
    transform: rotateY(0deg) translateZ(210px);
  }
  .lab-car-card:nth-child(2) {
    transform: rotateY(90deg) translateZ(210px);
  }
  .lab-car-card:nth-child(3) {
    transform: rotateY(180deg) translateZ(210px);
  }
  .lab-car-card:nth-child(4) {
    transform: rotateY(270deg) translateZ(210px);
  }
}