:root {
  color-scheme: light;
  --bg: #f7f9fb;
  --panel: #ffffff;
  --panel-soft: #f1f5f9;
  --text: #1e293b;
  --muted: #64748b;
  --line: rgba(15, 23, 42, 0.1);
  --amber: #53b3fd;
  --coral: #0284c7;
  --cyan: #53b3fd;
  --green: #16a34a;
  --shadow: 0 18px 48px rgba(15, 23, 42, 0.08);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
  background:
    radial-gradient(circle at top left, rgba(83, 179, 253, 0.14), transparent 34rem),
    linear-gradient(180deg, #ffffff 0%, var(--bg) 42%, #eef4f8 100%);
  color: var(--text);
}

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

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 72px;
  padding: 0 clamp(20px, 5vw, 72px);
  border-bottom: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.9);
  backdrop-filter: blur(18px);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-weight: 800;
  letter-spacing: 0;
}

.brand-logo {
  display: block;
  flex: 0 0 38px;
  width: 38px;
  height: 38px;
  max-width: 38px;
  max-height: 38px;
  aspect-ratio: 1;
  border-radius: 8px;
  background: #050505;
  object-fit: cover;
  box-shadow: 0 10px 26px rgba(255, 120, 54, 0.28);
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 8px;
}

.site-nav a {
  padding: 10px 12px;
  border-radius: 8px;
  color: var(--muted);
  font-size: 14px;
}

.site-nav a:hover,
.site-nav a[aria-current="page"] {
  color: var(--text);
  background: rgba(255, 255, 255, 0.08);
}

.nav-toggle {
  display: none;
  width: 42px;
  height: 42px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.06);
  color: var(--text);
  font-size: 20px;
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(320px, 520px);
  gap: clamp(32px, 6vw, 84px);
  align-items: center;
  min-height: calc(100vh - 72px);
  padding: clamp(48px, 8vw, 96px) clamp(20px, 5vw, 72px) 64px;
}

.eyebrow {
  margin: 0 0 12px;
  color: var(--amber);
  font-size: 13px;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

h1 {
  margin-bottom: 18px;
  max-width: 760px;
  font-size: clamp(52px, 8vw, 112px);
  line-height: 0.92;
  letter-spacing: 0;
}

h2 {
  margin-bottom: 14px;
  font-size: clamp(30px, 4vw, 54px);
  line-height: 1.06;
  letter-spacing: 0;
}

h3 {
  margin-bottom: 10px;
  font-size: 20px;
}

.hero-text,
.section-heading p,
.experience-copy p,
.legal-callout p,
.legal-hero p {
  color: var(--muted);
  font-size: 18px;
  line-height: 1.75;
}

.hero-text {
  max-width: 680px;
}

.hero-proof {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 24px;
}

.hero-proof span {
  padding: 9px 12px;
  border: 1px solid rgba(255, 255, 255, 0.13);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.055);
  color: var(--text);
  font-size: 13px;
  font-weight: 800;
}

.hero-actions,
.legal-links {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 30px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0 18px;
  border-radius: 8px;
  font-weight: 800;
}

.button.primary {
  background: var(--amber);
  color: #1d1207;
}

.button.secondary {
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.06);
  color: var(--text);
}

.phone-stage {
  position: relative;
  display: grid;
  place-items: center;
}

.phone-showcase {
  position: relative;
  width: min(100%, 430px);
  min-height: 760px;
}

.phone-glow {
  position: absolute;
  inset: 56px 12px 34px;
  border-radius: 44px;
  background:
    radial-gradient(circle at 50% 20%, rgba(255, 159, 46, 0.34), transparent 18rem),
    radial-gradient(circle at 20% 70%, rgba(255, 93, 99, 0.20), transparent 15rem);
  filter: blur(16px);
  opacity: 0.9;
}

.phone-device {
  position: relative;
  z-index: 1;
  width: min(100%, 390px);
  margin: 0 auto;
  padding: 12px;
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: 38px;
  background:
    linear-gradient(145deg, rgba(255, 255, 255, 0.17), rgba(255, 255, 255, 0.03) 18%, rgba(0, 0, 0, 0.38)),
    #08090b;
  box-shadow: 0 30px 80px rgba(0, 0, 0, 0.56), 0 0 0 10px rgba(255, 255, 255, 0.035);
}

.phone-device::after {
  content: "";
  position: absolute;
  inset: 12px;
  pointer-events: none;
  border-radius: 28px;
  background: linear-gradient(115deg, rgba(255, 255, 255, 0.20), transparent 20%, transparent 74%, rgba(255, 255, 255, 0.07));
  mix-blend-mode: screen;
}

.device-speaker {
  position: absolute;
  top: 22px;
  left: 50%;
  z-index: 2;
  width: 72px;
  height: 6px;
  transform: translateX(-50%);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.18);
}

.player-screen {
  display: block;
  width: 100%;
  aspect-ratio: 1290 / 2796;
  border-radius: 28px;
  object-fit: cover;
  background: #000;
}

.floating-badge {
  position: absolute;
  z-index: 3;
  width: 210px;
  padding: 14px 16px;
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: 8px;
  background: rgba(18, 18, 18, 0.72);
  box-shadow: 0 18px 44px rgba(0, 0, 0, 0.35);
  backdrop-filter: blur(14px);
}

.floating-badge span,
.floating-badge strong {
  display: block;
}

.floating-badge span {
  margin-bottom: 5px;
  color: var(--muted);
  font-size: 12px;
}

.floating-badge strong {
  color: var(--text);
  font-size: 15px;
  font-weight: 800;
}

.badge-top {
  top: 96px;
  right: -36px;
}

.badge-bottom {
  left: -24px;
  bottom: 108px;
}

.feature-strip {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1px;
  margin: 0 clamp(20px, 5vw, 72px);
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--line);
}

.feature-strip div {
  padding: 26px;
  background: rgba(255, 255, 255, 0.055);
}

.feature-strip strong {
  display: block;
  margin-bottom: 8px;
  color: var(--amber);
  font-size: 34px;
}

.feature-strip span {
  color: var(--muted);
}

.section,
.catalog-section,
.experience,
.legal-callout,
.legal-page {
  padding: 92px clamp(20px, 5vw, 72px);
}

.section-heading {
  max-width: 760px;
  margin-bottom: 34px;
}

.catalog-section {
  position: relative;
}

.catalog-section::before {
  content: "";
  position: absolute;
  left: clamp(20px, 5vw, 72px);
  right: clamp(20px, 5vw, 72px);
  top: 0;
  height: 1px;
  background: var(--line);
}

.catalog-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 14px;
}

.catalog-grid article {
  min-height: 260px;
  padding: 24px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background:
    linear-gradient(180deg, rgba(255, 159, 46, 0.10), transparent 42%),
    rgba(255, 255, 255, 0.05);
}

.catalog-grid span {
  display: inline-flex;
  margin-bottom: 28px;
  padding: 7px 10px;
  border-radius: 8px;
  background: rgba(255, 159, 46, 0.13);
  color: var(--amber);
  font-size: 12px;
  font-weight: 900;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.catalog-grid p {
  color: var(--muted);
  line-height: 1.75;
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}

.feature-card {
  min-height: 238px;
  padding: 26px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.055);
}

.feature-card p,
.timeline p,
.legal-doc p {
  color: var(--muted);
  line-height: 1.75;
}

.icon {
  display: grid;
  place-items: center;
  width: 42px;
  height: 42px;
  margin-bottom: 24px;
  border-radius: 8px;
  background: rgba(75, 198, 216, 0.14);
  color: var(--cyan);
  font-size: 22px;
  font-weight: 900;
}

.experience {
  display: grid;
  grid-template-columns: minmax(0, 0.8fr) minmax(0, 1.2fr);
  gap: 42px;
  align-items: start;
  background: #101318;
}

.experience-copy {
  position: sticky;
  top: 110px;
}

.timeline {
  display: grid;
  gap: 14px;
}

.timeline div {
  padding: 22px;
  border-left: 3px solid var(--green);
  background: rgba(255, 255, 255, 0.055);
}

.timeline span {
  display: block;
  margin-bottom: 10px;
  color: var(--green);
  font-weight: 900;
}

.timeline strong {
  display: block;
  margin-bottom: 6px;
  font-size: 20px;
}

.legal-callout {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
}

.legal-callout > div:first-child {
  max-width: 740px;
}

.site-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  padding: 28px clamp(20px, 5vw, 72px);
  border-top: 1px solid var(--line);
  color: var(--muted);
}

.site-footer div {
  display: flex;
  gap: 16px;
}

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

.legal-page {
  max-width: 1040px;
  margin: 0 auto;
}

.legal-hero {
  padding-bottom: 34px;
  border-bottom: 1px solid var(--line);
}

.legal-hero h1 {
  font-size: clamp(40px, 6vw, 76px);
  line-height: 1;
}

.legal-doc {
  display: grid;
  gap: 30px;
  padding-top: 42px;
}

.legal-doc section {
  padding: 26px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.045);
}

.legal-doc h2 {
  font-size: 24px;
}

@media (max-width: 920px) {
  .hero,
  .experience {
    grid-template-columns: 1fr;
  }

  .hero {
    min-height: auto;
  }

  .experience-copy {
    position: static;
  }

  .feature-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .catalog-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .legal-callout {
    align-items: flex-start;
    flex-direction: column;
  }
}

@media (max-width: 680px) {
  .site-header {
    min-height: 64px;
    padding-inline: 16px;
  }

  .nav-toggle {
    display: inline-grid;
    place-items: center;
  }

  .site-nav {
    position: absolute;
    top: 64px;
    left: 16px;
    right: 16px;
    display: none;
    flex-direction: column;
    align-items: stretch;
    padding: 10px;
    border: 1px solid var(--line);
    border-radius: 8px;
    background: rgba(15, 16, 20, 0.97);
  }

  .site-nav.is-open {
    display: flex;
  }

  .hero,
  .section,
  .catalog-section,
  .experience,
  .legal-callout,
  .legal-page {
    padding-inline: 16px;
  }

  .hero {
    padding-top: 42px;
  }

  .feature-strip,
  .feature-grid,
  .catalog-grid {
    grid-template-columns: 1fr;
  }

  .catalog-section::before {
    left: 16px;
    right: 16px;
  }

  .feature-strip {
    margin-inline: 16px;
  }

  .phone-showcase {
    min-height: 640px;
  }

  .floating-badge {
    position: static;
    width: auto;
    margin: 12px 10px 0;
  }

  .phone-device {
    width: min(100%, 330px);
  }

  .site-footer {
    flex-direction: column;
    align-items: flex-start;
    padding-inline: 16px;
  }
}