:root {
  --bg: #07111a;
  --bg-soft: #0d1824;
  --panel: rgba(10, 21, 33, 0.78);
  --panel-strong: rgba(14, 31, 48, 0.94);
  --line: rgba(255, 255, 255, 0.1);
  --line-strong: rgba(255, 255, 255, 0.18);
  --text: #f5f1e8;
  --muted: #b5c2d0;
  --teal: #54e0d3;
  --blue: #86a1ff;
  --red: #ff697a;
  --gold: #e8bf78;
  --shadow: 0 24px 90px rgba(0, 0, 0, 0.36);
  --radius-xl: 32px;
  --radius-lg: 24px;
  --radius-md: 18px;
  --max-width: 1180px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  color-scheme: dark;
}

body {
  margin: 0;
  min-width: 320px;
  color: var(--text);
  background:
    radial-gradient(circle at 16% 18%, rgba(84, 224, 211, 0.18), transparent 34%),
    radial-gradient(circle at 88% 20%, rgba(255, 105, 122, 0.18), transparent 26%),
    radial-gradient(circle at 72% 78%, rgba(134, 161, 255, 0.18), transparent 30%),
    linear-gradient(180deg, #07111a 0%, #09131e 48%, #050b11 100%);
  font-family: "Avenir Next", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  -webkit-tap-highlight-color: rgba(84, 224, 211, 0.18);
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.025) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.025) 1px, transparent 1px);
  background-size: 36px 36px;
  mask-image: linear-gradient(180deg, rgba(0, 0, 0, 0.7), transparent 88%);
}

a {
  color: inherit;
  text-decoration: none;
  touch-action: manipulation;
}

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

main,
section,
.legal-copy h2 {
  scroll-margin-top: 96px;
}

.skip-link {
  position: absolute;
  left: 16px;
  top: -48px;
  z-index: 40;
  padding: 10px 14px;
  border-radius: 999px;
  background: rgba(84, 224, 211, 0.18);
  color: var(--text);
  border: 1px solid rgba(84, 224, 211, 0.4);
}

.skip-link:focus-visible {
  top: 14px;
}

a:focus-visible,
button:focus-visible,
summary:focus-visible {
  outline: 2px solid rgba(84, 224, 211, 0.82);
  outline-offset: 3px;
  border-radius: 14px;
}

.page-shell {
  width: min(calc(100% - 32px), var(--max-width));
  margin: 0 auto;
  padding-bottom: 48px;
}

.locale-strip {
  position: relative;
  display: block;
  width: auto;
  margin: 0;
  border: 1px solid var(--line);
  border-radius: 999px;
  background:
    linear-gradient(135deg, rgba(255, 255, 255, 0.04), rgba(255, 255, 255, 0.01)),
    rgba(8, 15, 24, 0.52);
  box-shadow: 0 18px 48px rgba(0, 0, 0, 0.24);
}

.locale-strip-inline {
  flex: 0 0 auto;
  width: clamp(176px, 19vw, 228px);
  max-width: 100%;
  box-shadow: none;
  background:
    linear-gradient(135deg, rgba(255, 255, 255, 0.02), rgba(255, 255, 255, 0.01)),
    rgba(255, 255, 255, 0.02);
}

.locale-summary {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 7px 10px 7px 14px;
  cursor: pointer;
  list-style: none;
}

.locale-summary::-webkit-details-marker {
  display: none;
}

.locale-title {
  display: inline-flex;
  align-items: center;
  min-height: 28px;
  color: rgba(232, 191, 120, 0.8);
  font-size: 0.74rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  white-space: nowrap;
}

.locale-current {
  display: inline-flex;
  align-items: center;
  min-height: 36px;
  padding: 0 14px;
  margin-left: auto;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.07);
  color: var(--text);
  font-size: 0.92rem;
  font-weight: 600;
  white-space: nowrap;
}

.locale-caret {
  flex: 0 0 auto;
  width: 10px;
  height: 10px;
  margin-right: 4px;
  border-right: 2px solid rgba(232, 191, 120, 0.88);
  border-bottom: 2px solid rgba(232, 191, 120, 0.88);
  transform: rotate(45deg) translateY(-2px);
  transition: transform 0.2s ease;
}

.locale-strip[open] .locale-caret {
  transform: rotate(-135deg) translate(-1px, -2px);
}

.locale-panel {
  position: absolute;
  top: calc(100% + 10px);
  right: 0;
  min-width: min(92vw, 248px);
  padding: 10px;
  border: 1px solid var(--line);
  border-radius: 20px;
  background:
    linear-gradient(135deg, rgba(11, 23, 36, 0.98), rgba(10, 18, 28, 0.94)),
    rgba(8, 15, 24, 0.96);
  box-shadow: var(--shadow);
}

.locale-list {
  display: grid;
  gap: 6px;
}

.locale-option {
  display: flex;
  align-items: center;
  min-height: 42px;
  padding: 0 14px;
  border-radius: 14px;
  border: 1px solid transparent;
  background: rgba(255, 255, 255, 0.03);
  color: var(--muted);
  font-size: 0.85rem;
  line-height: 1.1;
  white-space: nowrap;
}

.locale-option[aria-current="page"] {
  color: var(--text);
  border-color: rgba(84, 224, 211, 0.38);
  background: rgba(84, 224, 211, 0.12);
}

.site-header,
.hero {
  opacity: 0;
  transform: translateY(18px);
  animation: rise-in 0.75s ease forwards;
}

.site-header {
  animation-delay: 0.05s;
}

.hero {
  animation-delay: 0.1s;
}

.site-header {
  position: sticky;
  top: 18px;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  align-items: center;
  gap: 20px;
  margin: 20px 0 30px;
  padding: 12px 18px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(8, 15, 24, 0.72);
  backdrop-filter: blur(18px);
  box-shadow: var(--shadow);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  flex: 0 1 auto;
  min-width: 0;
}

.brand-mark {
  display: grid;
  place-items: center;
  flex: 0 0 58px;
  width: 58px;
  height: 58px;
  padding: 3px;
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 18px;
  background:
    radial-gradient(circle at 34% 30%, rgba(84, 224, 211, 0.14), transparent 52%),
    linear-gradient(180deg, rgba(255, 255, 255, 0.06), rgba(255, 255, 255, 0.02)),
    rgba(255, 255, 255, 0.04);
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.08),
    0 14px 28px rgba(0, 0, 0, 0.2);
}

.brand img {
  width: 52px;
  height: 52px;
  border-radius: 14px;
  object-fit: contain;
  object-position: center;
}

.hero h1,
.section-heading h2,
.cta-banner h2,
.legal-page h1,
.legal-copy h2 {
  font-family: "Iowan Old Style", "Baskerville", "Times New Roman", serif;
}

.brand-copy {
  display: grid;
  gap: 4px;
  min-width: 0;
}

.brand strong {
  font-family: "SF Pro Rounded", "Avenir Next Rounded", "Avenir Next", "PingFang SC", "Hiragino Sans GB", sans-serif;
  font-size: 1.08rem;
  font-weight: 700;
  letter-spacing: 0.01em;
}

.brand small {
  font-family: "SF Pro Rounded", "Avenir Next Rounded", "Avenir Next", "PingFang SC", "Hiragino Sans GB", sans-serif;
  font-size: 0.8rem;
  line-height: 1.1;
  letter-spacing: 0.06em;
  white-space: nowrap;
}

.header-side {
  display: grid;
  justify-items: end;
  gap: 12px;
  min-width: 0;
}

.header-side-rail {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 10px;
  flex: 1 1 auto;
}

.header-meta {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 12px;
  flex-wrap: wrap;
  min-width: 0;
}

.brand small,
.site-nav a,
.eyebrow,
.signal-list,
.panel-tag,
.track-card span,
.proof-strip strong,
.fact-list dt,
.site-footer,
.legal-copy p,
.legal-copy li {
  letter-spacing: 0.04em;
}

.brand small,
.site-nav a,
.lead,
.signal-list,
.proof-strip p,
.feature-card p,
.audience-grid p,
.fact-panel p,
.fact-list dd,
.answer-list,
.faq-list p,
.site-footer p,
.legal-copy p {
  color: var(--muted);
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 14px;
  flex-wrap: nowrap;
  justify-content: flex-end;
  min-width: 0;
}

.site-nav a {
  font-size: 0.84rem;
  white-space: nowrap;
  text-transform: uppercase;
}

.site-nav-primary {
  gap: clamp(10px, 1.3vw, 16px);
  flex: 1 1 auto;
}

.site-nav-secondary {
  gap: 8px;
  flex: 0 1 auto;
}

.site-nav-secondary a {
  padding: 8px 11px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.03);
  font-size: 0.75rem;
}

.site-nav a:hover,
.site-footer a:hover,
.locale-option:hover {
  color: var(--teal);
}

.site-nav a,
.site-footer a,
.locale-option,
.button,
.utility-card,
.mini-card,
.meta-card,
.highlight-card {
  transition:
    transform 0.2s ease,
    border-color 0.2s ease,
    background-color 0.2s ease,
    color 0.2s ease;
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(340px, 0.85fr);
  gap: 28px;
  align-items: center;
  padding: 34px 0 22px;
}

.hero-copy,
.hero-stage,
.section-block,
.proof-strip,
.cta-banner {
  position: relative;
}

.eyebrow {
  margin: 0 0 12px;
  color: var(--gold);
  font-size: 0.82rem;
  text-transform: uppercase;
}

.hero h1,
.legal-page h1 {
  margin: 0;
  max-width: 12ch;
  font-size: clamp(3rem, 7vw, 5.8rem);
  line-height: 0.95;
  letter-spacing: -0.04em;
  text-wrap: balance;
}

.lead {
  max-width: 62ch;
  margin: 24px 0 0;
  font-size: 1.08rem;
  line-height: 1.75;
}

.hero-actions {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
  margin-top: 26px;
}

.hero-mini-grid,
.utility-grid,
.legal-meta-grid,
.legal-highlights,
.availability-grid,
.launch-strip {
  display: grid;
  gap: 14px;
}

.hero-mini-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
  margin-top: 20px;
}

.launch-strip {
  grid-template-columns: repeat(3, minmax(0, 1fr));
  margin-top: 18px;
}

.mini-card,
.meta-card,
.highlight-card,
.utility-card,
.availability-card,
.launch-item {
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: rgba(255, 255, 255, 0.035);
}

.mini-card-accent,
.meta-card:last-child,
.availability-card-accent {
  background:
    linear-gradient(135deg, rgba(84, 224, 211, 0.08), rgba(134, 161, 255, 0.06)),
    rgba(255, 255, 255, 0.035);
}

.mini-label,
.utility-kicker,
.launch-label {
  display: block;
  margin-bottom: 8px;
  color: var(--gold);
  font-size: 0.76rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.mini-card strong,
.meta-card strong,
.highlight-card strong,
.utility-card strong,
.availability-card strong,
.launch-item strong {
  display: block;
  font-size: 1.05rem;
  line-height: 1.35;
}

.mini-card p,
.meta-card p,
.highlight-card p,
.utility-card p,
.availability-card p {
  margin: 10px 0 0;
  color: var(--muted);
  line-height: 1.6;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0 18px;
  border-radius: 999px;
  border: 1px solid var(--line-strong);
  transition: transform 0.2s ease, border-color 0.2s ease, background 0.2s ease;
}

.button:hover {
  transform: translateY(-2px);
}

.button-primary {
  background: linear-gradient(135deg, rgba(84, 224, 211, 0.22), rgba(134, 161, 255, 0.24));
}

.button-primary:hover {
  border-color: rgba(84, 224, 211, 0.45);
}

.button-secondary {
  background: rgba(255, 255, 255, 0.04);
}

.button-secondary:hover {
  border-color: rgba(255, 255, 255, 0.28);
}

.signal-list {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin: 26px 0 0;
  padding: 0;
  list-style: none;
  font-size: 0.83rem;
  text-transform: uppercase;
}

.signal-list li {
  padding: 10px 14px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.03);
}

.hero-stage {
  display: flex;
  justify-content: flex-end;
}

.device-frame {
  width: min(100%, 480px);
  padding: 18px;
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: calc(var(--radius-xl) + 8px);
  background:
    linear-gradient(180deg, rgba(11, 23, 36, 0.95), rgba(10, 18, 28, 0.88)),
    rgba(255, 255, 255, 0.02);
  box-shadow: var(--shadow);
}

.stage-topline,
.track-row,
.preview-grid,
.feature-grid,
.audience-grid,
.facts-layout,
.proof-strip,
.site-footer {
  display: grid;
}

.stage-topline {
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
  margin-bottom: 14px;
  font-size: 0.82rem;
  color: var(--muted);
}

.preview-grid {
  grid-template-columns: 1.2fr 0.8fr;
  gap: 12px;
  min-height: 360px;
}

.preview-main,
.preview-side,
.track-card,
.feature-card,
.audience-grid article,
.fact-panel,
.faq-list details,
.proof-strip article,
.cta-banner,
.legal-copy {
  border: 1px solid var(--line);
  background: var(--panel);
  box-shadow: var(--shadow);
}

.preview-main,
.preview-side {
  padding: 22px;
  border-radius: var(--radius-xl);
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.05), rgba(255, 255, 255, 0.02)),
    linear-gradient(135deg, rgba(84, 224, 211, 0.18), rgba(11, 23, 36, 0));
}

.preview-side {
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.04), rgba(255, 255, 255, 0.02)),
    linear-gradient(135deg, rgba(255, 105, 122, 0.18), rgba(11, 23, 36, 0));
}

.preview-main,
.preview-side {
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  position: relative;
  overflow: hidden;
}

.preview-main::before,
.preview-side::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(140deg, rgba(255, 255, 255, 0.12), transparent 30%),
    linear-gradient(12deg, transparent 20%, rgba(255, 255, 255, 0.05));
}

.panel-tag {
  position: relative;
  z-index: 1;
  font-size: 0.82rem;
  color: var(--gold);
  text-transform: uppercase;
}

.preview-main strong,
.preview-side strong,
.track-card strong,
.proof-strip strong,
.feature-card h3,
.audience-grid h3,
.fact-panel h3,
.cta-banner h2 {
  position: relative;
  z-index: 1;
}

.preview-main strong,
.preview-side strong {
  margin-top: auto;
  font-size: 1.18rem;
  line-height: 1.3;
}

.track-row {
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
  margin-top: 14px;
}

.track-card {
  padding: 14px 14px 16px;
  border-radius: var(--radius-md);
  background: rgba(255, 255, 255, 0.04);
}

.track-card span {
  display: block;
  margin-bottom: 8px;
  font-size: 0.74rem;
  color: var(--gold);
  text-transform: uppercase;
}

.track-card strong {
  font-size: 0.98rem;
}

.track-card.emphasis {
  background:
    linear-gradient(135deg, rgba(255, 105, 122, 0.18), rgba(255, 255, 255, 0.04)),
    rgba(255, 255, 255, 0.04);
}

.proof-strip {
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
  margin: 10px 0 48px;
}

.proof-strip article {
  padding: 22px;
  border-radius: var(--radius-lg);
}

.proof-strip strong {
  display: block;
  margin-bottom: 10px;
  font-size: 1rem;
  color: var(--gold);
  text-transform: uppercase;
}

.section-block,
.cta-banner,
.legal-copy {
  margin-bottom: 28px;
  padding: 34px;
  border-radius: 34px;
  background: var(--panel);
}

.alt-surface {
  background:
    linear-gradient(135deg, rgba(255, 105, 122, 0.09), transparent 36%),
    var(--panel);
}

.section-heading {
  max-width: 820px;
  margin-bottom: 28px;
}

.section-heading h2,
.cta-banner h2,
.legal-copy h2 {
  margin: 0;
  font-size: clamp(2rem, 4vw, 3.2rem);
  line-height: 1.05;
  letter-spacing: -0.04em;
  text-wrap: balance;
}

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

.utility-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.availability-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.utility-card {
  display: block;
}

.utility-card:hover,
.availability-card:hover {
  transform: translateY(-2px);
  border-color: rgba(84, 224, 211, 0.34);
}

.feature-card,
.audience-grid article,
.fact-panel {
  padding: 22px;
  border-radius: var(--radius-lg);
}

.feature-card h3,
.audience-grid h3,
.fact-panel h3 {
  margin: 0 0 12px;
  font-size: 1.24rem;
}

.feature-card p,
.audience-grid p,
.fact-panel p,
.answer-list,
.faq-list p,
.fact-list dd,
.legal-copy p {
  margin: 0;
  font-size: 1rem;
  line-height: 1.75;
}

.audience-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
}

.facts-layout {
  grid-template-columns: 1.05fr 1.1fr 0.9fr;
  gap: 16px;
}

.fact-list {
  display: grid;
  gap: 14px;
  margin: 0;
}

.fact-list div {
  padding-top: 14px;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
}

.fact-list div:first-child {
  padding-top: 0;
  border-top: 0;
}

.fact-list dt {
  margin-bottom: 6px;
  font-size: 0.76rem;
  color: var(--gold);
  text-transform: uppercase;
}

.answer-list {
  padding-left: 20px;
}

.answer-list li + li {
  margin-top: 12px;
}

.faq-list {
  display: grid;
  gap: 14px;
}

.faq-list details {
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.faq-list summary {
  cursor: pointer;
  padding: 20px 22px;
  font-size: 1.06rem;
  font-weight: 600;
  list-style: none;
}

.faq-list summary::-webkit-details-marker {
  display: none;
}

.faq-list summary::after {
  content: "+";
  float: right;
  color: var(--gold);
}

.faq-list details[open] summary::after {
  content: "−";
}

.faq-list p {
  padding: 0 22px 22px;
}

.cta-banner {
  background:
    linear-gradient(135deg, rgba(84, 224, 211, 0.14), rgba(255, 105, 122, 0.08)),
    var(--panel-strong);
}

.site-footer {
  grid-template-columns: 1fr auto;
  align-items: center;
  gap: 16px;
  padding: 18px 0 0;
}

.site-footer div {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  justify-content: flex-end;
}

.legal-page {
  padding-top: 10px;
}

.legal-hero {
  background:
    linear-gradient(135deg, rgba(134, 161, 255, 0.12), transparent 35%),
    var(--panel);
}

.legal-copy {
  display: block;
}

.legal-meta-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
  margin-top: 24px;
}

.legal-highlights {
  grid-template-columns: repeat(3, minmax(0, 1fr));
  margin-bottom: 26px;
}

.legal-copy h2 {
  margin: 26px 0 10px;
  font-size: clamp(1.5rem, 3vw, 2.15rem);
}

.legal-copy h2:first-child {
  margin-top: 0;
}

@keyframes rise-in {
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@media (max-width: 980px) {
  .site-header {
    border-radius: 30px;
  }

  .header-side-rail {
    flex-wrap: wrap;
    justify-content: flex-end;
  }

  .locale-strip {
    width: 100%;
  }

  .locale-panel { min-width: 100%; }

  .hero,
  .feature-grid,
  .facts-layout,
  .utility-grid,
  .legal-highlights,
  .availability-grid {
    grid-template-columns: 1fr;
  }

  .hero-stage {
    justify-content: flex-start;
  }

  .proof-strip,
  .audience-grid,
  .hero-mini-grid,
  .legal-meta-grid,
  .launch-strip {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 720px) {
  .page-shell {
    width: min(calc(100% - 20px), var(--max-width));
  }

  .site-header {
    position: static;
    display: grid;
    grid-template-columns: 1fr;
    align-items: flex-start;
    border-radius: 28px;
  }

  .header-side {
    width: 100%;
    justify-items: stretch;
  }

  .header-side-rail {
    display: grid;
    gap: 12px;
  }

  .locale-strip {
    border-radius: 20px;
  }

  .locale-strip-inline {
    width: 100%;
  }

  .locale-summary {
    padding-right: 12px;
  }

  .locale-panel {
    position: static;
    min-width: 0;
    margin-top: 10px;
  }

  .site-nav,
  .site-footer div {
    justify-content: flex-start;
  }

  .hero h1,
  .legal-page h1 {
    max-width: none;
  }

  .proof-strip,
  .audience-grid,
  .track-row,
  .preview-grid,
  .site-footer,
  .hero-mini-grid,
  .utility-grid,
  .legal-meta-grid,
  .legal-highlights,
  .availability-grid,
  .launch-strip {
    grid-template-columns: 1fr;
  }

  .site-nav {
    gap: 10px 14px;
    flex-wrap: wrap;
  }

  .site-nav a {
    font-size: 0.82rem;
  }

  .site-nav-secondary a {
    font-size: 0.78rem;
  }

  .hero {
    padding-top: 18px;
  }

  .hero h1 {
    font-size: clamp(2.6rem, 16vw, 4rem);
    line-height: 0.98;
  }

  .lead {
    font-size: 1rem;
    line-height: 1.65;
  }

  .section-block,
  .cta-banner,
  .legal-copy {
    padding: 24px;
    border-radius: 28px;
  }

  .device-frame {
    padding: 14px;
  }

  .preview-grid {
    min-height: auto;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  .site-header,
  .hero {
    opacity: 1;
    transform: none;
    animation: none;
  }

  .button {
    transition: none;
  }
}