/* Race Telemetry Studio — Marketing Site */

/* Fixed 黑体 (self-hosted) — Windows / WeChat must not fall through to 宋体 */
@font-face {
  font-family: "Noto Sans SC";
  font-style: normal;
  font-display: swap;
  font-weight: 400;
  src: url("../assets/fonts/noto-sans-sc-chinese-simplified-400-normal.woff2")
    format("woff2");
}
@font-face {
  font-family: "Noto Sans SC";
  font-style: normal;
  font-display: swap;
  font-weight: 500;
  src: url("../assets/fonts/noto-sans-sc-chinese-simplified-500-normal.woff2")
    format("woff2");
}
@font-face {
  font-family: "Noto Sans SC";
  font-style: normal;
  font-display: swap;
  font-weight: 600;
  src: url("../assets/fonts/noto-sans-sc-chinese-simplified-600-normal.woff2")
    format("woff2");
}
@font-face {
  font-family: "Noto Sans SC";
  font-style: normal;
  font-display: swap;
  font-weight: 700;
  src: url("../assets/fonts/noto-sans-sc-chinese-simplified-700-normal.woff2")
    format("woff2");
}

:root {
  --bg-0: #06080d;
  --bg-1: #0c1018;
  --bg-2: #121826;
  --bg-3: #1a2233;
  --surface: rgba(22, 30, 46, 0.72);
  --surface-solid: #141c2b;
  --border: rgba(255, 255, 255, 0.08);
  --border-strong: rgba(255, 255, 255, 0.14);
  --text: #eef2f8;
  --text-muted: #94a0b8;
  --text-dim: #6b7890;
  --accent: #ff2d4a;
  --accent-soft: rgba(255, 45, 74, 0.14);
  --accent-glow: rgba(255, 45, 74, 0.35);
  --amber: #ffb020;
  --cyan: #3ecfff;
  --green: #34d399;
  --radius: 18px;
  --radius-sm: 12px;
  --radius-lg: 28px;
  --shadow: 0 24px 80px rgba(0, 0, 0, 0.45);
  --nav-h: 72px;
  /*
   * CJK UI: Noto Sans SC first (黑体), never bare system-ui (→ 宋体 on Win/WeChat).
   * Brand latin: system sans after Noto for English chrome.
   */
  --font-cjk:
    "Noto Sans SC",
    "Microsoft YaHei UI",
    "Microsoft YaHei",
    "PingFang SC",
    "Hiragino Sans GB",
    "Heiti SC",
    sans-serif;
  --font: var(--font-cjk);
  --font-brand: var(--font-cjk);
  --font-latin: "Segoe UI", system-ui, "Helvetica Neue", Arial, var(--font-cjk);
  --mono:
    ui-monospace,
    "SF Mono",
    Menlo,
    Monaco,
    Consolas,
    "Noto Sans SC",
    monospace;
  --max: 1180px;
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
}

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

html {
  font-family: var(--font);
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font);
  background: var(--bg-0);
  color: var(--text);
  line-height: 1.6;
  min-height: 100vh;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

img {
  max-width: 100%;
  display: block;
}

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

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

ul {
  list-style: none;
}

.container {
  width: min(100% - 2.5rem, var(--max));
  margin-inline: auto;
}

/* Background atmosphere */
.bg-glow {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: -1;
  overflow: hidden;
}

.bg-glow::before,
.bg-glow::after {
  content: "";
  position: absolute;
  border-radius: 50%;
  filter: blur(100px);
  opacity: 0.45;
}

.bg-glow::before {
  width: 620px;
  height: 620px;
  top: -180px;
  right: -80px;
  background: radial-gradient(circle, rgba(255, 45, 74, 0.35), transparent 70%);
}

.bg-glow::after {
  width: 520px;
  height: 520px;
  bottom: 10%;
  left: -120px;
  background: radial-gradient(circle, rgba(62, 207, 255, 0.18), transparent 70%);
}

.grid-overlay {
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.03) 1px, transparent 1px);
  background-size: 64px 64px;
  mask-image: radial-gradient(ellipse 80% 60% at 50% 20%, black, transparent);
  opacity: 0.5;
}

/* Nav */
.nav {
  position: sticky;
  top: 0;
  z-index: 100;
  height: var(--nav-h);
  display: flex;
  align-items: center;
  backdrop-filter: blur(18px) saturate(1.4);
  -webkit-backdrop-filter: blur(18px) saturate(1.4);
  background: rgba(6, 8, 13, 0.72);
  border-bottom: 1px solid var(--border);
}

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  width: min(100% - 2.5rem, var(--max));
  margin-inline: auto;
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-family: var(--font-brand);
  font-weight: 700;
  letter-spacing: -0.02em;
  font-size: 1.02rem;
}

.brand img {
  width: 36px;
  height: 36px;
  border-radius: 9px;
  box-shadow: 0 0 0 1px var(--border-strong), 0 8px 24px rgba(255, 45, 74, 0.25);
}

.brand span {
  font-family: var(--font-brand);
  background: linear-gradient(135deg, #fff 0%, #c8d0e0 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

/* Utility for fixed English-only snippets (never on data-i18n Chinese) */
.font-latin,
.font-brand {
  font-family: var(--font-latin);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 0.25rem;
}

.nav-links a {
  padding: 0.5rem 0.85rem;
  border-radius: 999px;
  color: var(--text-muted);
  font-size: 0.92rem;
  font-weight: 500;
  transition: color 0.2s, background 0.2s;
}

.nav-links a:hover {
  color: var(--text);
  background: rgba(255, 255, 255, 0.05);
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 0.65rem;
}

.lang-switch {
  position: relative;
}

.lang-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.45rem 0.75rem;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: rgba(255, 255, 255, 0.03);
  color: var(--text-muted);
  font-size: 0.85rem;
  font-weight: 500;
  transition: border-color 0.2s, color 0.2s, background 0.2s;
}

.lang-btn:hover,
.lang-switch.open .lang-btn {
  color: var(--text);
  border-color: var(--border-strong);
  background: rgba(255, 255, 255, 0.06);
}

.lang-btn svg {
  width: 14px;
  height: 14px;
  opacity: 0.7;
}

.lang-menu {
  position: absolute;
  top: calc(100% + 8px);
  right: 0;
  min-width: 160px;
  padding: 0.4rem;
  border-radius: 14px;
  border: 1px solid var(--border-strong);
  background: rgba(16, 22, 34, 0.96);
  box-shadow: var(--shadow);
  display: none;
  z-index: 50;
}

.lang-switch.open .lang-menu {
  display: block;
  animation: fadeUp 0.18s var(--ease);
}

.lang-menu button {
  width: 100%;
  text-align: left;
  padding: 0.55rem 0.75rem;
  border-radius: 10px;
  color: var(--text-muted);
  font-size: 0.9rem;
  transition: background 0.15s, color 0.15s;
}

.lang-menu button:hover,
.lang-menu button.active {
  background: var(--accent-soft);
  color: var(--text);
}

.lang-menu button.active {
  color: #ff7a8c;
}

.nav-toggle {
  display: none;
  width: 42px;
  height: 42px;
  border-radius: 12px;
  border: 1px solid var(--border);
  align-items: center;
  justify-content: center;
}

.nav-toggle span {
  display: block;
  width: 18px;
  height: 2px;
  background: var(--text);
  position: relative;
}

.nav-toggle span::before,
.nav-toggle span::after {
  content: "";
  position: absolute;
  left: 0;
  width: 18px;
  height: 2px;
  background: var(--text);
}

.nav-toggle span::before { top: -6px; }
.nav-toggle span::after { top: 6px; }

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.8rem 1.25rem;
  border-radius: 999px;
  font-weight: 600;
  font-size: 0.95rem;
  letter-spacing: -0.01em;
  transition: transform 0.2s var(--ease), box-shadow 0.2s, background 0.2s, border-color 0.2s;
  white-space: nowrap;
}

.btn:hover {
  transform: translateY(-1px);
}

.btn:active {
  transform: translateY(0);
}

.btn-primary {
  background: linear-gradient(135deg, #ff3b57 0%, #e01135 100%);
  color: #fff;
  box-shadow: 0 10px 30px var(--accent-glow), inset 0 1px 0 rgba(255, 255, 255, 0.2);
}

.btn-primary:hover {
  box-shadow: 0 14px 36px rgba(255, 45, 74, 0.45), inset 0 1px 0 rgba(255, 255, 255, 0.25);
}

.btn-secondary {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border-strong);
  color: var(--text);
}

.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.09);
  border-color: rgba(255, 255, 255, 0.22);
}

.btn-ghost {
  color: var(--text-muted);
  border: 1px solid transparent;
}

.btn-ghost:hover {
  color: var(--text);
  background: rgba(255, 255, 255, 0.04);
}

.btn svg {
  width: 18px;
  height: 18px;
}

.btn-sm {
  padding: 0.55rem 1rem;
  font-size: 0.88rem;
}

/* Hero */
.hero {
  padding: clamp(3rem, 8vw, 6.5rem) 0 3rem;
  position: relative;
  overflow: visible;
}

.hero .container {
  overflow: visible;
}

.hero-grid {
  display: grid;
  grid-template-columns: 0.95fr 1.1fr;
  gap: clamp(2rem, 5vw, 3.5rem);
  align-items: center;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.35rem 0.75rem 0.35rem 0.4rem;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: rgba(255, 255, 255, 0.03);
  color: var(--text-muted);
  font-size: 0.82rem;
  font-weight: 500;
  margin-bottom: 1.25rem;
}

.eyebrow .dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--green);
  box-shadow: 0 0 12px rgba(52, 211, 153, 0.8);
}

.hero h1 {
  font-size: clamp(2.4rem, 5.2vw, 3.75rem);
  line-height: 1.08;
  letter-spacing: -0.04em;
  font-weight: 780;
  margin-bottom: 1.1rem;
}

.hero h1 .grad {
  background: linear-gradient(120deg, #fff 0%, #ff8a9a 40%, #ff2d4a 75%, #ffb020 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.hero-lead {
  font-size: clamp(1.05rem, 1.6vw, 1.2rem);
  color: var(--text-muted);
  max-width: 34rem;
  margin-bottom: 1.75rem;
  line-height: 1.7;
}

.hero-cta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-bottom: 1.75rem;
}

.hero-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 1.25rem;
  color: var(--text-dim);
  font-size: 0.88rem;
}

.hero-meta strong {
  color: var(--text-muted);
  font-weight: 600;
}

.hero-visual {
  position: relative;
  min-height: clamp(320px, 42vw, 480px);
  display: flex;
  align-items: center;
  justify-content: center;
}

.hero-glow {
  position: absolute;
  inset: 5% 0 auto;
  height: 70%;
  background:
    radial-gradient(ellipse 70% 60% at 50% 45%, rgba(255, 45, 74, 0.28), transparent 70%),
    radial-gradient(ellipse 50% 40% at 70% 60%, rgba(62, 207, 255, 0.12), transparent 70%);
  z-index: 0;
  filter: blur(8px);
  pointer-events: none;
}

/* ── 3D exploded screenshot stack (Dragy-style) ── */
.hero-3d {
  position: relative;
  width: 100%;
  max-width: 560px;
  margin-inline: auto;
  aspect-ratio: 16 / 11;
  perspective: 1600px;
  perspective-origin: 50% 40%;
  z-index: 1;
  overflow: visible;
  cursor: grab;
}

.hero-3d-stage {
  position: relative;
  width: 100%;
  height: 100%;
  transform-style: preserve-3d;
  transform: rotateX(14deg) rotateY(-22deg) rotateZ(2deg);
  transition: transform 0.45s var(--ease);
  will-change: transform;
}

.hero-3d.is-tilting .hero-3d-stage {
  transition: transform 0.12s ease-out;
}

.layer {
  position: absolute;
  inset: 8% 4% 12% 4%;
  border-radius: 14px;
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.14);
  background: #0a0e16;
  box-shadow:
    0 30px 60px rgba(0, 0, 0, 0.55),
    0 0 0 1px rgba(255, 255, 255, 0.04) inset,
    0 1px 0 rgba(255, 255, 255, 0.08) inset;
  transform-style: preserve-3d;
  backface-visibility: hidden;
  transition: transform 0.7s var(--ease), box-shadow 0.7s;
}

.layer img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  user-select: none;
  pointer-events: none;
}

/* Exploded depth offsets */
.layer-1 {
  transform: translate3d(0, 0, 70px);
  z-index: 3;
  animation: layerFloat1 7s ease-in-out infinite;
}

.layer-2 {
  transform: translate3d(-28px, 18px, 0px);
  z-index: 2;
  opacity: 0.96;
  animation: layerFloat2 8.5s ease-in-out infinite;
  filter: brightness(0.92);
}

.layer-3 {
  transform: translate3d(-56px, 36px, -70px);
  z-index: 1;
  opacity: 0.88;
  animation: layerFloat3 9.5s ease-in-out infinite;
  filter: brightness(0.82) saturate(0.9);
}

/* Hover / expanded explode */
.hero-3d:hover .layer-1,
.hero-3d.is-exploded .layer-1 {
  transform: translate3d(8px, -6px, 110px);
  box-shadow:
    0 40px 80px rgba(0, 0, 0, 0.6),
    0 0 40px rgba(255, 45, 74, 0.12);
}

.hero-3d:hover .layer-2,
.hero-3d.is-exploded .layer-2 {
  transform: translate3d(-40px, 28px, -10px);
}

.hero-3d:hover .layer-3,
.hero-3d.is-exploded .layer-3 {
  transform: translate3d(-80px, 52px, -120px);
}

/* Soft reflection under stack */
.hero-3d::after {
  content: "";
  position: absolute;
  left: 12%;
  right: 8%;
  bottom: -6%;
  height: 28%;
  background: radial-gradient(ellipse at 50% 0%, rgba(255, 45, 74, 0.18), transparent 70%);
  filter: blur(18px);
  z-index: 0;
  pointer-events: none;
  opacity: 0.85;
}

/* Floating callouts */
.callout {
  position: absolute;
  z-index: 8;
  display: flex;
  align-items: center;
  gap: 0;
  pointer-events: none;
  transform-style: preserve-3d;
  animation: calloutFloat 5.5s ease-in-out infinite;
}

.callout-pill {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  padding: 0.55rem 0.85rem 0.55rem 0.55rem;
  border-radius: 999px;
  font-size: 0.78rem;
  font-weight: 650;
  letter-spacing: -0.01em;
  color: #fff;
  white-space: nowrap;
  background: linear-gradient(135deg, #2a7bff 0%, #1a5fe0 100%);
  box-shadow:
    0 10px 28px rgba(30, 100, 255, 0.35),
    0 0 0 1px rgba(255, 255, 255, 0.12) inset;
  backdrop-filter: blur(8px);
}

.callout-ico {
  width: 22px;
  height: 22px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  background: rgba(255, 255, 255, 0.18);
  font-size: 0.72rem;
  line-height: 1;
}

.callout-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: #fff;
  box-shadow: 0 0 0 4px rgba(42, 123, 255, 0.35), 0 0 16px rgba(42, 123, 255, 0.6);
  flex-shrink: 0;
  position: relative;
}

/* Connector line from pill toward stack */
.callout::before {
  content: "";
  position: absolute;
  height: 2px;
  background: linear-gradient(90deg, rgba(255, 255, 255, 0.85), rgba(255, 255, 255, 0.05));
  border-radius: 2px;
  z-index: -1;
  pointer-events: none;
}

.callout-a {
  top: 2%;
  right: -2%;
  animation-delay: 0s;
  transform: translateZ(140px);
}
.callout-a::before {
  width: 72px;
  right: 100%;
  top: 50%;
  transform: rotate(-18deg);
  transform-origin: right center;
  background: linear-gradient(90deg, rgba(255, 255, 255, 0.05), rgba(255, 255, 255, 0.85));
}

.callout-b {
  top: 28%;
  left: -10%;
  animation-delay: 0.8s;
  transform: translateZ(120px);
}
.callout-b .callout-pill {
  background: linear-gradient(135deg, #ff3b57 0%, #d40f32 100%);
  box-shadow: 0 10px 28px rgba(255, 45, 74, 0.35), 0 0 0 1px rgba(255, 255, 255, 0.12) inset;
}
.callout-b .callout-dot {
  box-shadow: 0 0 0 4px rgba(255, 45, 74, 0.3), 0 0 16px rgba(255, 45, 74, 0.55);
}
.callout-b::before {
  width: 64px;
  left: 100%;
  top: 50%;
  transform: rotate(12deg);
  transform-origin: left center;
}

.callout-c {
  bottom: 18%;
  left: -4%;
  animation-delay: 1.4s;
  transform: translateZ(100px);
}
.callout-c .callout-pill {
  background: linear-gradient(135deg, #0d9f6e 0%, #067a54 100%);
  box-shadow: 0 10px 28px rgba(16, 185, 129, 0.3), 0 0 0 1px rgba(255, 255, 255, 0.12) inset;
}
.callout-c .callout-dot {
  box-shadow: 0 0 0 4px rgba(16, 185, 129, 0.3), 0 0 16px rgba(16, 185, 129, 0.5);
}
.callout-c::before {
  width: 56px;
  left: 100%;
  top: 40%;
  transform: rotate(-8deg);
  transform-origin: left center;
}

.callout-d {
  bottom: 6%;
  right: 0%;
  animation-delay: 2s;
  transform: translateZ(130px);
}
.callout-d .callout-pill {
  background: linear-gradient(135deg, rgba(18, 24, 38, 0.92), rgba(28, 36, 54, 0.95));
  border: 1px solid rgba(255, 255, 255, 0.14);
  box-shadow: 0 10px 28px rgba(0, 0, 0, 0.4), 0 0 0 1px rgba(255, 255, 255, 0.06) inset;
  color: var(--text);
}
.callout-d .callout-dot {
  background: var(--cyan);
  box-shadow: 0 0 0 4px rgba(62, 207, 255, 0.28), 0 0 16px rgba(62, 207, 255, 0.5);
}
.callout-d::before {
  width: 48px;
  right: 100%;
  top: 50%;
  transform: rotate(22deg);
  transform-origin: right center;
  background: linear-gradient(90deg, rgba(255, 255, 255, 0.05), rgba(255, 255, 255, 0.7));
}

@keyframes layerFloat1 {
  0%, 100% { transform: translate3d(0, 0, 70px); }
  50% { transform: translate3d(0, -8px, 78px); }
}
@keyframes layerFloat2 {
  0%, 100% { transform: translate3d(-28px, 18px, 0px); }
  50% { transform: translate3d(-28px, 10px, 6px); }
}
@keyframes layerFloat3 {
  0%, 100% { transform: translate3d(-56px, 36px, -70px); }
  50% { transform: translate3d(-56px, 28px, -62px); }
}
@keyframes calloutFloat {
  0%, 100% { translate: 0 0; }
  50% { translate: 0 -7px; }
}

/* Pause layer float on hover so explode transform wins cleanly */
.hero-3d:hover .layer-1,
.hero-3d:hover .layer-2,
.hero-3d:hover .layer-3,
.hero-3d.is-exploded .layer-1,
.hero-3d.is-exploded .layer-2,
.hero-3d.is-exploded .layer-3 {
  animation: none;
}

/* Sections */
section {
  padding: clamp(3.5rem, 8vw, 6rem) 0;
}

.section-head {
  max-width: 40rem;
  margin-bottom: 2.5rem;
}

.section-head.center {
  text-align: center;
  margin-inline: auto;
}

.section-label {
  display: inline-block;
  color: #ff7a8c;
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-bottom: 0.75rem;
}

.section-head h2 {
  font-size: clamp(1.8rem, 3.5vw, 2.5rem);
  letter-spacing: -0.03em;
  line-height: 1.15;
  margin-bottom: 0.85rem;
}

.section-head p {
  color: var(--text-muted);
  font-size: 1.05rem;
}

/* 3D track replay */
.track3d-section {
  position: relative;
  overflow: hidden;
  padding-top: clamp(4rem, 9vw, 7.5rem);
  background:
    radial-gradient(ellipse 60% 38% at 50% 47%, rgba(42, 123, 255, 0.11), transparent 72%),
    linear-gradient(180deg, transparent 0%, rgba(11, 17, 29, 0.82) 34%, rgba(8, 12, 20, 0.92) 72%, transparent 100%);
}

.track3d-section::before {
  content: "";
  position: absolute;
  inset: 8% -12% auto;
  height: 64%;
  background-image:
    linear-gradient(rgba(62, 207, 255, 0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(62, 207, 255, 0.04) 1px, transparent 1px);
  background-size: 52px 52px;
  mask-image: linear-gradient(to bottom, transparent, #000 22%, #000 70%, transparent);
  transform: perspective(700px) rotateX(62deg) translateY(16%);
  pointer-events: none;
}

.track3d-heading {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 2rem;
  margin-bottom: clamp(1.75rem, 4vw, 3rem);
}

.track3d-heading .section-head {
  margin-bottom: 0;
  max-width: 44rem;
}

.track3d-tags {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 0.55rem;
  padding-bottom: 0.15rem;
}

.track3d-tags span {
  padding: 0.48rem 0.7rem;
  border: 1px solid rgba(62, 207, 255, 0.18);
  border-radius: 999px;
  background: rgba(62, 207, 255, 0.055);
  color: #b9eaff;
  font-size: 0.78rem;
  font-weight: 650;
  white-space: nowrap;
}

.track3d-demo {
  position: relative;
  perspective: 1800px;
  padding: 0.35rem 0 2.5rem;
}

.track3d-demo-glow {
  position: absolute;
  inset: 12% 6% 0;
  background:
    radial-gradient(ellipse at 28% 45%, rgba(62, 207, 255, 0.22), transparent 50%),
    radial-gradient(ellipse at 75% 50%, rgba(255, 45, 74, 0.16), transparent 48%);
  filter: blur(44px);
  transform: translateZ(-80px);
  pointer-events: none;
}

.track3d-demo-card {
  position: relative;
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.13);
  border-radius: clamp(16px, 2vw, 24px);
  background: #080c14;
  box-shadow:
    0 52px 110px rgba(0, 0, 0, 0.58),
    0 0 0 1px rgba(62, 207, 255, 0.05) inset,
    0 1px 0 rgba(255, 255, 255, 0.08) inset;
  transform-style: preserve-3d;
  transform: rotateX(3.5deg) rotateY(-2.5deg);
  transition: transform 0.38s var(--ease), border-color 0.3s, box-shadow 0.3s;
  will-change: transform;
}

.track3d-demo.is-tilting .track3d-demo-card {
  transition: transform 0.1s ease-out, border-color 0.3s, box-shadow 0.3s;
  border-color: rgba(62, 207, 255, 0.28);
  box-shadow:
    0 60px 130px rgba(0, 0, 0, 0.62),
    0 0 44px rgba(62, 207, 255, 0.08),
    0 1px 0 rgba(255, 255, 255, 0.1) inset;
}

.track3d-demo-bar,
.track3d-demo-footer {
  position: relative;
  z-index: 5;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  min-height: 54px;
  padding: 0.7rem 1rem;
  background: rgba(8, 12, 20, 0.92);
  backdrop-filter: blur(18px);
}

.track3d-demo-bar {
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.track3d-demo-title {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  min-width: 0;
  color: var(--text);
  font-size: 0.9rem;
  font-weight: 720;
}

.track3d-demo-title small {
  padding: 0.24rem 0.42rem;
  border: 1px solid rgba(52, 211, 153, 0.22);
  border-radius: 5px;
  color: #76e7bd;
  background: rgba(52, 211, 153, 0.07);
  font: 650 0.62rem/1 var(--mono);
  letter-spacing: 0.06em;
}

.live-dot {
  width: 8px;
  height: 8px;
  flex: 0 0 auto;
  border-radius: 50%;
  background: var(--green);
  box-shadow: 0 0 0 4px rgba(52, 211, 153, 0.12), 0 0 14px rgba(52, 211, 153, 0.8);
}

.track3d-compare-status {
  display: flex;
  align-items: center;
  gap: 0.7rem;
  color: var(--text-dim);
  font-size: 0.72rem;
}

.track3d-compare-status strong {
  min-width: 96px;
  padding: 0.42rem 0.64rem;
  border: 1px solid rgba(82, 165, 255, 0.28);
  border-radius: 7px;
  color: #fff;
  background: rgba(40, 117, 226, 0.12);
  font: 700 0.68rem/1 var(--mono);
  text-align: center;
}

.track3d-screen {
  position: relative;
  min-height: 0;
  aspect-ratio: 1742 / 980;
  overflow: hidden;
  background: #02050a;
}

.track3d-world,
.track3d-video-layer {
  position: absolute;
  inset: 0;
  overflow: hidden;
}

.track3d-world img,
.track3d-video-layer img {
  width: 100%;
  height: 100%;
  display: block;
  object-fit: cover;
  user-select: none;
  pointer-events: none;
}

.track3d-world img {
  object-position: center 48%;
  filter: saturate(1.04) contrast(1.03);
}

.track3d-video-layer {
  z-index: 2;
  clip-path: inset(0 calc(100% - var(--compare)) 0 0);
  will-change: clip-path;
}

.track3d-screen-label {
  position: absolute;
  top: 0.7rem;
  z-index: 4;
  padding: 0.35rem 0.55rem;
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: 6px;
  color: #fff;
  background: rgba(4, 8, 14, 0.74);
  backdrop-filter: blur(10px);
  font: 720 0.62rem/1 var(--mono);
  letter-spacing: 0.08em;
}

.label-3d {
  right: 0.8rem;
  color: #9ee6ff;
}

.label-video {
  left: 0.7rem;
  color: #ff9baa;
}

.track3d-compare-divider {
  position: absolute;
  z-index: 6;
  top: 0;
  bottom: 0;
  left: var(--compare);
  width: 2px;
  transform: translateX(-1px);
  background: rgba(255, 255, 255, 0.9);
  box-shadow: 0 0 0 1px rgba(28, 105, 219, 0.5), 0 0 22px rgba(62, 207, 255, 0.62);
  pointer-events: none;
}

.track3d-compare-divider span {
  position: absolute;
  top: 50%;
  left: 50%;
  display: grid;
  width: 42px;
  height: 42px;
  place-items: center;
  transform: translate(-50%, -50%);
  border: 1px solid rgba(255, 255, 255, 0.72);
  border-radius: 50%;
  color: #fff;
  background: linear-gradient(135deg, #2e8df6, #1749aa);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.42), 0 0 18px rgba(62, 207, 255, 0.38);
  font: 800 0.95rem/1 var(--font-latin);
  transition: transform 0.18s var(--ease), box-shadow 0.18s var(--ease);
}

.track3d-screen.is-dragging .track3d-compare-divider span {
  transform: translate(-50%, -50%) scale(1.1);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.48), 0 0 24px rgba(62, 207, 255, 0.56);
}

.track3d-compare-range {
  position: absolute;
  z-index: 7;
  inset: 0;
  width: 100%;
  height: 100%;
  margin: 0;
  appearance: none;
  opacity: 0;
  cursor: ew-resize;
  touch-action: pan-y;
}

.track3d-demo-footer {
  justify-content: flex-start;
  min-height: 48px;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  color: var(--text-dim);
  font-size: 0.73rem;
}

.track3d-demo-footer span {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  white-space: nowrap;
}

.track3d-demo-footer b {
  color: var(--text-muted);
  font-weight: 650;
}

.track3d-demo-footer i {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  box-shadow: 0 0 8px currentColor;
}

.track3d-demo-footer i.cyan { color: var(--cyan); background: var(--cyan); }
.track3d-demo-footer i.green { color: var(--green); background: var(--green); }
.track3d-demo-footer i.amber { color: var(--amber); background: var(--amber); }

.track3d-points {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  overflow: hidden;
  margin-top: 0.65rem;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--border);
}

.track3d-points article {
  min-height: 174px;
  padding: 1.35rem;
  background: rgba(11, 16, 26, 0.96);
}

.track3d-points article > span {
  display: block;
  margin-bottom: 1.2rem;
  color: var(--cyan);
  font: 650 0.7rem/1 var(--mono);
  letter-spacing: 0.1em;
}

.track3d-points h3 {
  margin-bottom: 0.55rem;
  font-size: 1rem;
  letter-spacing: -0.02em;
}

.track3d-points p {
  color: var(--text-muted);
  font-size: 0.88rem;
  line-height: 1.62;
}

/* Features */
.features-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1rem;
}

.feature-card {
  position: relative;
  padding: 1.5rem;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.035), rgba(255, 255, 255, 0.015));
  overflow: hidden;
  transition: border-color 0.25s, transform 0.25s var(--ease), background 0.25s;
}

.feature-card:hover {
  border-color: rgba(255, 45, 74, 0.35);
  transform: translateY(-3px);
  background: linear-gradient(180deg, rgba(255, 45, 74, 0.08), rgba(255, 255, 255, 0.02));
}

.feature-icon {
  width: 44px;
  height: 44px;
  border-radius: 12px;
  display: grid;
  place-items: center;
  margin-bottom: 1rem;
  background: var(--accent-soft);
  color: #ff7a8c;
  font-size: 1.25rem;
}

.feature-card:nth-child(2) .feature-icon { background: rgba(62, 207, 255, 0.12); color: var(--cyan); }
.feature-card:nth-child(3) .feature-icon { background: rgba(255, 176, 32, 0.12); color: var(--amber); }
.feature-card:nth-child(4) .feature-icon { background: rgba(52, 211, 153, 0.12); color: var(--green); }
.feature-card:nth-child(5) .feature-icon { background: rgba(167, 139, 250, 0.14); color: #c4b5fd; }
.feature-card:nth-child(6) .feature-icon { background: rgba(244, 114, 182, 0.12); color: #f9a8d4; }

.feature-card h3 {
  font-size: 1.1rem;
  letter-spacing: -0.02em;
  margin-bottom: 0.5rem;
}

.feature-card p {
  color: var(--text-muted);
  font-size: 0.94rem;
  line-height: 1.65;
}

.feature-demo {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  margin-top: 0.85rem;
  font-size: 0.86rem;
  font-weight: 600;
  color: var(--cyan);
  text-decoration: none;
}

.feature-demo:hover {
  text-decoration: underline;
}

/* Formats */
.formats {
  background: linear-gradient(180deg, transparent, rgba(18, 24, 38, 0.6), transparent);
}

.format-pills {
  display: flex;
  flex-wrap: wrap;
  gap: 0.65rem;
  justify-content: center;
}

.pill {
  display: inline-flex;
  flex-direction: column;
  gap: 0.15rem;
  padding: 0.9rem 1.15rem;
  min-width: 140px;
  border-radius: 16px;
  border: 1px solid var(--border);
  background: var(--surface);
  text-align: center;
}

.pill strong {
  font-family: var(--mono);
  font-size: 0.95rem;
  color: #ff9aa8;
  letter-spacing: 0.02em;
}

.pill span {
  font-size: 0.8rem;
  color: var(--text-dim);
}

/* Gallery */
.gallery-wrap {
  position: relative;
}

.gallery-main {
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--border-strong);
  background: var(--bg-2);
  box-shadow: var(--shadow);
  aspect-ratio: 16 / 10;
  position: relative;
}

.gallery-main img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.gallery-nav {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 0.75rem;
  pointer-events: none;
}

.gallery-nav button {
  pointer-events: auto;
  width: 42px;
  height: 42px;
  border-radius: 50%;
  border: 1px solid var(--border-strong);
  background: rgba(8, 10, 16, 0.7);
  backdrop-filter: blur(8px);
  display: grid;
  place-items: center;
  color: var(--text);
  transition: background 0.2s, transform 0.2s;
}

.gallery-nav button:hover {
  background: rgba(255, 45, 74, 0.85);
  transform: scale(1.05);
}

.gallery-thumbs {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  gap: 0.6rem;
  margin-top: 0.85rem;
}

.gallery-thumbs button {
  border-radius: 10px;
  overflow: hidden;
  border: 2px solid transparent;
  opacity: 0.55;
  transition: opacity 0.2s, border-color 0.2s, transform 0.2s;
  aspect-ratio: 16 / 10;
  background: var(--bg-2);
}

.gallery-thumbs button img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.gallery-thumbs button.active,
.gallery-thumbs button:hover {
  opacity: 1;
  border-color: var(--accent);
  transform: translateY(-1px);
}

/* Download */
.download-section {
  position: relative;
}

.download-card {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 2rem;
  padding: clamp(1.75rem, 4vw, 2.75rem);
  border-radius: calc(var(--radius-lg) + 4px);
  border: 1px solid var(--border-strong);
  background:
    radial-gradient(ellipse 80% 80% at 100% 0%, rgba(255, 45, 74, 0.18), transparent 50%),
    linear-gradient(145deg, rgba(28, 36, 54, 0.95), rgba(12, 16, 26, 0.98));
  box-shadow: var(--shadow);
  overflow: hidden;
}

.download-card h2 {
  font-size: clamp(1.7rem, 3vw, 2.2rem);
  letter-spacing: -0.03em;
  margin-bottom: 0.75rem;
}

.download-card > div > p {
  color: var(--text-muted);
  margin-bottom: 1.5rem;
  max-width: 32rem;
}

.download-actions {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.75rem;
}

@media (max-width: 560px) {
  .download-actions {
    grid-template-columns: 1fr;
  }
}

.download-btn {
  display: flex;
  align-items: center;
  gap: 0.9rem;
  padding: 1rem 1.15rem;
  border-radius: 16px;
  border: 1px solid var(--border);
  background: rgba(255, 255, 255, 0.04);
  transition: background 0.2s, border-color 0.2s, transform 0.2s;
  text-align: left;
}

.download-btn:hover {
  background: rgba(255, 255, 255, 0.08);
  border-color: rgba(255, 255, 255, 0.2);
  transform: translateY(-2px);
}

.download-btn.primary {
  background: linear-gradient(135deg, #ff3b57, #d40f32);
  border-color: transparent;
  box-shadow: 0 12px 32px var(--accent-glow);
}

.download-btn.is-coming-soon {
  opacity: 0.78;
  position: relative;
}

.download-btn.is-coming-soon:hover {
  transform: none;
  border-color: rgba(255, 176, 32, 0.45);
  background: rgba(255, 176, 32, 0.08);
}

.download-btn.is-coming-soon::after {
  content: attr(data-badge);
  position: absolute;
  top: 0.55rem;
  right: 0.65rem;
  padding: 0.12rem 0.45rem;
  border-radius: 999px;
  font-size: 0.65rem;
  font-weight: 700;
  letter-spacing: 0.02em;
  color: #1a1408;
  background: linear-gradient(135deg, #ffd56a, #ffb020);
  box-shadow: 0 4px 12px rgba(255, 176, 32, 0.35);
  pointer-events: none;
}

/* Toast */
.site-toast {
  position: fixed;
  left: 50%;
  bottom: 1.75rem;
  transform: translateX(-50%) translateY(16px);
  z-index: 200;
  max-width: min(92vw, 420px);
  padding: 0.85rem 1.15rem;
  border-radius: 14px;
  border: 1px solid rgba(255, 176, 32, 0.35);
  background: rgba(18, 22, 32, 0.94);
  color: var(--text);
  font-size: 0.92rem;
  font-weight: 550;
  line-height: 1.45;
  box-shadow: 0 16px 48px rgba(0, 0, 0, 0.45), 0 0 0 1px rgba(255, 255, 255, 0.04) inset;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.25s var(--ease), transform 0.25s var(--ease);
  text-align: center;
  backdrop-filter: blur(12px);
}

.site-toast.show {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
}

.download-btn.primary:hover {
  background: linear-gradient(135deg, #ff5470, #e61a3c);
}

.download-btn .dl-icon {
  width: 42px;
  height: 42px;
  border-radius: 11px;
  display: grid;
  place-items: center;
  background: rgba(0, 0, 0, 0.2);
  flex-shrink: 0;
}

.download-btn.primary .dl-icon {
  background: rgba(255, 255, 255, 0.15);
}

.download-btn .dl-text strong {
  display: block;
  font-size: 0.98rem;
  margin-bottom: 0.1rem;
}

.download-btn .dl-text span {
  font-size: 0.8rem;
  color: var(--text-dim);
}

.download-btn.primary .dl-text span {
  color: rgba(255, 255, 255, 0.78);
}

.download-note {
  margin-top: 1rem;
  font-size: 0.85rem;
  color: var(--text-dim);
}

.req-list {
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
  padding: 1.25rem;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  background: rgba(0, 0, 0, 0.2);
}

.req-list h3 {
  font-size: 0.92rem;
  color: var(--text-muted);
  font-weight: 600;
  margin-bottom: 0.15rem;
}

.req-list li {
  display: flex;
  gap: 0.65rem;
  align-items: flex-start;
  font-size: 0.92rem;
  color: var(--text-muted);
}

.req-list li::before {
  content: "";
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent);
  margin-top: 0.5rem;
  flex-shrink: 0;
  box-shadow: 0 0 8px var(--accent-glow);
}

/* Privacy page */
.page-hero {
  padding: 3.5rem 0 2rem;
}

.page-hero h1 {
  font-size: clamp(2rem, 4vw, 2.8rem);
  letter-spacing: -0.03em;
  margin-bottom: 0.75rem;
}

.page-hero p {
  color: var(--text-muted);
  max-width: 40rem;
}

.legal {
  max-width: 760px;
  padding-bottom: 5rem;
}

.legal article {
  padding: 1.5rem 0;
  border-bottom: 1px solid var(--border);
}

.legal article:last-child {
  border-bottom: none;
}

.legal h2 {
  font-size: 1.2rem;
  letter-spacing: -0.02em;
  margin-bottom: 0.75rem;
}

.legal p,
.legal li {
  color: var(--text-muted);
  font-size: 0.98rem;
  line-height: 1.75;
  margin-bottom: 0.75rem;
}

.legal ul {
  padding-left: 1.2rem;
  margin-bottom: 0.75rem;
}

.legal li {
  list-style: disc;
  margin-bottom: 0.4rem;
}

.legal a {
  color: #ff7a8c;
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-hero .updated,
.legal .updated {
  display: inline-block;
  padding: 0.35rem 0.75rem;
  border-radius: 999px;
  border: 1px solid var(--border);
  color: var(--text-dim);
  font-size: 0.85rem;
  margin: 0.25rem 0 1.25rem;
}

/* Footer */
.footer {
  border-top: 1px solid var(--border);
  padding: 2.5rem 0 2rem;
  margin-top: 2rem;
}

.footer-inner {
  display: flex;
  flex-wrap: wrap;
  gap: 1.5rem;
  justify-content: space-between;
  align-items: flex-start;
}

.footer-brand {
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
  max-width: 280px;
}

.footer-brand .brand {
  margin-bottom: 0.2rem;
}

.footer-brand p {
  color: var(--text-dim);
  font-size: 0.88rem;
  line-height: 1.6;
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 2rem;
}

.footer-col h4 {
  font-size: 0.82rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--text-dim);
  margin-bottom: 0.75rem;
}

.footer-col a {
  display: block;
  color: var(--text-muted);
  font-size: 0.92rem;
  margin-bottom: 0.45rem;
  transition: color 0.15s;
}

.footer-col a:hover {
  color: var(--text);
}

.footer-bottom {
  margin-top: 2rem;
  padding-top: 1.25rem;
  border-top: 1px solid var(--border);
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  justify-content: space-between;
  color: var(--text-dim);
  font-size: 0.85rem;
}

/* Animations */
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(6px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-8px); }
}

.reveal {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 0.7s var(--ease), transform 0.7s var(--ease);
}

.reveal.visible {
  opacity: 1;
  transform: none;
}

/* Responsive */
@media (max-width: 960px) {
  .hero-grid,
  .download-card {
    grid-template-columns: 1fr;
  }

  .features-grid {
    grid-template-columns: 1fr 1fr;
  }

  .track3d-heading {
    align-items: flex-start;
    flex-direction: column;
  }

  .track3d-tags {
    justify-content: flex-start;
  }

  .callout-c,
  .callout-d {
    display: none;
  }

  .callout-a {
    right: 0;
    top: -2%;
  }

  .callout-b {
    left: 0;
  }

  .hero-3d-stage {
    transform: rotateX(10deg) rotateY(-14deg) rotateZ(1deg);
  }

  .layer-2 {
    transform: translate3d(-18px, 12px, 0);
  }

  .layer-3 {
    transform: translate3d(-36px, 24px, -50px);
  }

  .nav-links {
    display: none;
  }

  .nav-toggle {
    display: inline-flex;
  }

  .nav.open .nav-links {
    display: flex;
    position: absolute;
    top: var(--nav-h);
    left: 0;
    right: 0;
    flex-direction: column;
    padding: 1rem;
    background: rgba(8, 10, 16, 0.96);
    border-bottom: 1px solid var(--border);
    gap: 0.25rem;
  }

  .nav.open .nav-links a {
    padding: 0.85rem 1rem;
  }

  .gallery-thumbs {
    grid-template-columns: repeat(4, 1fr);
  }

  .gallery-thumbs button:nth-child(n + 5) {
    display: none;
  }
}

@media (max-width: 640px) {
  .features-grid {
    grid-template-columns: 1fr;
  }

  .track3d-demo-bar {
    align-items: flex-start;
    flex-direction: column;
  }

  .track3d-demo-title small {
    display: none;
  }

  .track3d-compare-status {
    width: 100%;
    justify-content: space-between;
  }

  .track3d-screen {
    aspect-ratio: 1742 / 980;
  }

  .track3d-world img {
    object-position: 48% 50%;
  }

  .track3d-compare-divider span {
    width: 36px;
    height: 36px;
  }

  .track3d-demo-footer span:nth-child(2) {
    display: none;
  }

  .track3d-points {
    grid-template-columns: 1fr;
  }

  .track3d-points article {
    min-height: auto;
  }

  .brand span.full {
    display: none;
  }

  .hero-cta {
    flex-direction: column;
  }

  .hero-cta .btn {
    width: 100%;
  }

  .gallery-thumbs {
    grid-template-columns: repeat(3, 1fr);
  }
}

/* Reduced motion */
.nav-links a.active { color: var(--text); background: rgba(255, 255, 255, 0.07); }
.pricing-main { padding-bottom: 6rem; }
.pricing-hero { padding-top: clamp(5rem, 10vw, 8rem); text-align: center; }
.pricing-hero h1 { max-width: 800px; margin: .75rem auto 1rem; font-size: clamp(2.4rem, 6vw, 4.7rem); line-height: 1.05; letter-spacing: -.045em; }
.pricing-hero > p { max-width: 680px; margin: 0 auto; color: var(--text-muted); font-size: 1.08rem; }
.pricing-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 1.25rem; margin-top: 3.5rem; }
.price-card { position: relative; display: flex; flex-direction: column; padding: clamp(1.5rem, 4vw, 2.25rem); border: 1px solid var(--border-strong); border-radius: var(--radius-lg); background: linear-gradient(150deg, rgba(24,33,50,.94), rgba(10,14,23,.96)); box-shadow: 0 22px 70px rgba(0,0,0,.28); overflow: hidden; }
.price-card-featured { border-color: rgba(255,45,74,.38); }
.price-card-featured::before { content: ""; position: absolute; width: 280px; height: 280px; right: -100px; top: -140px; border-radius: 50%; background: rgba(255,45,74,.15); filter: blur(45px); }
.price-card-top { position: relative; display: flex; justify-content: space-between; align-items: center; gap: 1rem; }
.price-badge { padding: .28rem .58rem; border-radius: 999px; color: #ff8395; background: rgba(255,45,74,.12); font-size: .67rem; font-weight: 800; letter-spacing: .12em; }
.price-badge-ai { color: #7ddfff; background: rgba(62,207,255,.11); }
.price-code { color: var(--text-dim); font: .72rem var(--mono); }
.price-card h2 { position: relative; margin-top: 1.5rem; font-size: clamp(1.45rem, 3vw, 2rem); }
.price-summary { min-height: 3.25rem; margin-top: .45rem; color: var(--text-muted); }
.price-value { display: flex; align-items: flex-start; margin-top: 1.8rem; font-family: var(--font-latin); }
.price-value strong { font-size: clamp(3.2rem, 7vw, 4.7rem); line-height: .9; letter-spacing: -.055em; }
.price-currency { margin: .2rem .3rem 0 0; color: var(--text-muted); font-size: 1.2rem; }
.price-unit { align-self: flex-end; margin: 0 0 .35rem .65rem; color: var(--text-muted); font-size: .8rem; font-weight: 700; }
.price-kind { margin-top: .7rem; color: var(--text-muted); font-size: .85rem; }
.price-features { display: grid; gap: .8rem; margin: 1.8rem 0 2rem; color: #cad3e2; font-size: .92rem; }
.price-features li { position: relative; padding-left: 1.55rem; }
.price-features li::before { content: "✓"; position: absolute; left: 0; color: var(--green); font-weight: 800; }
.price-cta { width: 100%; margin-top: auto; justify-content: center; }
.pricing-details { margin-top: 5rem; padding-top: 4rem; border-top: 1px solid var(--border); }
.pricing-details > div:first-child { max-width: 650px; }
.pricing-details h2 { margin-top: .55rem; font-size: clamp(1.8rem, 4vw, 3rem); line-height: 1.12; }
.pricing-detail-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1rem; margin-top: 2rem; }
.pricing-detail-grid article { padding: 1.35rem; border: 1px solid var(--border); border-radius: var(--radius); background: rgba(18,24,38,.62); }
.pricing-detail-grid article > strong { color: var(--accent); font: 700 .75rem var(--mono); }
.pricing-detail-grid h3 { margin-top: .85rem; font-size: 1rem; }
.pricing-detail-grid p { margin-top: .4rem; color: var(--text-muted); font-size: .87rem; }
.commerce-policy-links { display: flex; flex-wrap: wrap; justify-content: center; gap: 1rem; margin-top: 2rem; }
.policy-highlight { margin: 0 0 2rem; padding: 1.2rem 1.35rem; border: 1px solid rgba(52,211,153,.25); border-radius: var(--radius); background: rgba(52,211,153,.07); }
@media (max-width: 760px) { .pricing-grid, .pricing-detail-grid { grid-template-columns: 1fr; } .price-summary { min-height: 0; } }

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .reveal { opacity: 1; transform: none; transition: none; }
  .layer-1,
  .layer-2,
  .layer-3,
  .callout {
    animation: none !important;
  }
  .hero-3d-stage {
    transition: none;
  }

  .track3d-demo-card,
  .track3d-world,
  .track3d-video-layer,
  .track3d-compare-divider span {
    transition: none;
  }
}