:root {
  --ai-ink: #11130f;
  --ai-ink-soft: #2e332c;
  --ai-muted: #697069;
  --ai-canvas: #f5f6f2;
  --ai-surface: #ffffff;
  --ai-line: rgba(17, 19, 15, 0.1);
  --ai-yellow: #ffb321;
  --ai-yellow-2: #ffd36d;
  --ai-lime: #c8f36b;
  --ai-mint: #7ce8c5;
  --ai-night: #111712;
  --ai-night-2: #19231c;
  --ai-radius: 28px;
  --ai-shadow: 0 28px 80px rgba(20, 27, 21, 0.1);
}

body {
  background: var(--ai-canvas);
  color: var(--ai-ink);
  font-family: Inter, "SF Pro Display", "SF Pro Text", -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
  font-size: 16px;
}

.site-header {
  top: 0;
  border-bottom: 1px solid rgba(17, 19, 15, 0.07);
  background: rgba(248, 249, 246, 0.82);
  backdrop-filter: saturate(160%) blur(22px);
}

.header-inner {
  max-width: 1280px;
  height: 72px;
  gap: 34px;
  padding: 0 30px;
}

.brand {
  grid-template-columns: 46px max-content;
  column-gap: 8px;
}

.brand img {
  width: 46px;
  height: 46px;
}

.brand > span {
  min-width: 92px;
  gap: 3px;
}

.brand strong {
  color: var(--ai-ink);
  font-family: inherit;
  font-size: 20px;
  font-weight: 850;
  letter-spacing: -0.03em;
}

.brand small {
  color: #777d75;
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

nav {
  gap: 30px;
}

nav a {
  color: #525950;
  font-size: 14px;
  font-weight: 650;
}

nav a::after {
  bottom: -10px;
  background: var(--ai-yellow);
}

.header-cta,
.button {
  border-radius: 12px;
  background: var(--ai-ink);
  box-shadow: none;
  font-weight: 780;
}

.header-cta {
  padding: 10px 17px;
}

.header-cta:hover,
.button:hover {
  background: #2a3028;
}

main.ai-home {
  width: 100%;
  max-width: none;
  padding: 0;
}

.ai-home section {
  margin: 0;
}

.ai-home .eyebrow {
  margin-bottom: 18px;
  color: #5d655c;
  font-size: 11px;
  font-weight: 850;
  letter-spacing: 0.18em;
}

.nova-shell {
  width: min(1240px, calc(100% - 48px));
  margin: 0 auto;
}

.nova-hero {
  position: relative;
  overflow: hidden;
  min-height: 720px;
  padding: 72px 0 64px;
  background:
    radial-gradient(circle at 17% 14%, rgba(200, 243, 107, 0.16), transparent 24%),
    radial-gradient(circle at 84% 14%, rgba(124, 232, 197, 0.14), transparent 23%),
    linear-gradient(145deg, #0d110e 0%, #151b16 55%, #0e1511 100%);
  color: #fff;
}

.nova-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  opacity: 0.22;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.045) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.045) 1px, transparent 1px);
  background-size: 58px 58px;
  mask-image: linear-gradient(to bottom, black, transparent 90%);
}

.nova-hero-grid {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: minmax(0, 0.87fr) minmax(520px, 1.13fr);
  align-items: center;
  gap: 72px;
}

.nova-kicker {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  margin: 0 0 24px;
  padding: 7px 11px;
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.06);
  color: rgba(255, 255, 255, 0.72);
  font-size: 11px;
  font-weight: 760;
  letter-spacing: 0.13em;
}

.nova-kicker i {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--ai-lime);
  box-shadow: 0 0 18px rgba(200, 243, 107, 0.8);
}

.nova-hero-copy h1 {
  max-width: 650px;
  margin: 0;
  font-family: inherit;
  font-size: clamp(54px, 5.5vw, 78px);
  font-weight: 870;
  letter-spacing: -0.075em;
  line-height: 0.98;
}

.nova-hero-copy h1 span {
  display: block;
  color: var(--ai-yellow-2);
}

.nova-hero-copy > p:not(.nova-kicker) {
  max-width: 560px;
  margin: 28px 0 0;
  color: rgba(255, 255, 255, 0.66);
  font-size: 18px;
  line-height: 1.8;
}

.nova-actions {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-top: 34px;
}

.nova-actions .button {
  min-height: 52px;
  gap: 28px;
  padding: 0 22px;
  background: var(--ai-yellow);
  color: #17130b;
}

.nova-actions .button:hover {
  background: #ffc242;
}

.nova-actions .nova-secondary {
  display: inline-flex;
  align-items: center;
  min-height: 52px;
  padding: 0 20px;
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: 12px;
  color: rgba(255, 255, 255, 0.88);
  text-decoration: none;
  font-size: 14px;
  font-weight: 700;
}

.nova-trust {
  display: flex;
  gap: 24px;
  margin-top: 42px;
  color: rgba(255, 255, 255, 0.52);
  font-size: 12px;
}

.nova-trust span {
  display: flex;
  align-items: center;
  gap: 7px;
}

.nova-trust span::before {
  content: "✓";
  color: var(--ai-mint);
}

.nova-product {
  position: relative;
  padding: 10px;
  border: 1px solid rgba(255, 255, 255, 0.13);
  border-radius: 32px;
  background: rgba(255, 255, 255, 0.055);
  box-shadow: 0 40px 100px rgba(0, 0, 0, 0.32);
  backdrop-filter: blur(16px);
}

.nova-product::after {
  content: "";
  position: absolute;
  z-index: -1;
  right: -11%;
  bottom: -13%;
  width: 48%;
  aspect-ratio: 1;
  border-radius: 50%;
  background: rgba(255, 179, 33, 0.17);
  filter: blur(70px);
}

.nova-window {
  overflow: hidden;
  border-radius: 23px;
  background: #f4f5f1;
}

.nova-window-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 47px;
  padding: 0 16px;
  border-bottom: 1px solid rgba(17, 19, 15, 0.08);
  color: #666d64;
  font-size: 11px;
  font-weight: 720;
}

.nova-dots {
  display: flex;
  gap: 5px;
}

.nova-dots i {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: #c8ccc5;
}

.nova-window-badge {
  display: flex;
  align-items: center;
  gap: 6px;
}

.nova-window-badge::before {
  content: "";
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: #56c98c;
}

.nova-stage.hero-stage {
  min-height: 518px;
  border-radius: 0;
  box-shadow: none;
}

.nova-stage .hero-place {
  top: 21px;
  left: 21px;
  border-color: rgba(255, 255, 255, 0.26);
  background: rgba(14, 20, 16, 0.5);
}

.nova-stage .route-pill {
  top: 21px;
  right: 21px;
}

.nova-stage .audio-card {
  right: 20px;
  bottom: 20px;
  left: 20px;
  border: 1px solid rgba(255, 255, 255, 0.65);
  border-radius: 17px;
  background: rgba(249, 250, 247, 0.93);
  box-shadow: 0 18px 50px rgba(0, 0, 0, 0.2);
}

.nova-stage .play-icon {
  background: var(--ai-ink);
}

.nova-stage .hero-carousel-controls {
  bottom: 112px;
}

.nova-signal {
  border-bottom: 1px solid var(--ai-line);
  background: #fff;
}

.nova-signal .nova-shell {
  display: grid;
  grid-template-columns: 1.35fr repeat(3, 0.55fr);
  align-items: stretch;
}

.nova-signal-intro,
.nova-signal-stat {
  min-height: 116px;
  padding: 27px 28px;
  border-right: 1px solid var(--ai-line);
}

.nova-signal-intro {
  padding-left: 0;
}

.nova-signal-intro small,
.nova-signal-stat span {
  display: block;
  color: #858b84;
  font-size: 11px;
  font-weight: 760;
  letter-spacing: 0.12em;
}

.nova-signal-intro strong {
  display: block;
  margin-top: 7px;
  font-size: 18px;
}

.nova-signal-stat b {
  display: block;
  margin-bottom: 4px;
  font-size: 34px;
  letter-spacing: -0.05em;
}

.nova-section {
  padding: 118px 0;
}

.nova-section-head {
  display: grid;
  grid-template-columns: 1.1fr 0.7fr;
  align-items: end;
  gap: 70px;
  margin-bottom: 52px;
}

.nova-section-head h2 {
  max-width: 760px;
  margin: 0;
  font-family: inherit;
  font-size: clamp(44px, 5vw, 68px);
  font-weight: 850;
  letter-spacing: -0.065em;
  line-height: 1.04;
}

.nova-section-head > p {
  margin: 0;
  color: var(--ai-muted);
  font-size: 16px;
  line-height: 1.85;
}

.nova-bento {
  display: grid;
  grid-template-columns: 1.16fr 0.84fr;
  grid-template-rows: repeat(2, minmax(310px, auto));
  gap: 16px;
}

.nova-bento-card {
  position: relative;
  overflow: hidden;
  padding: 34px;
  border: 1px solid var(--ai-line);
  border-radius: var(--ai-radius);
  background: var(--ai-surface);
}

.nova-bento-card.dark {
  grid-row: 1 / 3;
  background:
    radial-gradient(circle at 85% 22%, rgba(124, 232, 197, 0.17), transparent 26%),
    var(--ai-night);
  color: #fff;
}

.nova-card-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nova-card-index,
.nova-card-label {
  color: #8d938c;
  font-size: 10px;
  font-weight: 820;
  letter-spacing: 0.13em;
}

.nova-capability-icon {
  display: grid;
  place-items: center;
  width: 44px;
  height: 44px;
  border-radius: 13px;
  background: #eef0ea;
  color: var(--ai-ink);
  font-size: 15px;
  font-weight: 900;
}

.dark .nova-capability-icon {
  background: rgba(255, 255, 255, 0.09);
  color: var(--ai-lime);
}

.nova-bento-card h3 {
  margin: 70px 0 11px;
  font-size: 29px;
  letter-spacing: -0.045em;
}

.nova-bento-card > p {
  max-width: 480px;
  margin: 0;
  color: var(--ai-muted);
  font-size: 14px;
}

.nova-bento-card.dark > p {
  color: rgba(255, 255, 255, 0.58);
}

.nova-chat-demo {
  margin-top: 36px;
  padding: 18px;
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 20px;
  background: rgba(255, 255, 255, 0.055);
}

.nova-chat-demo small {
  color: rgba(255, 255, 255, 0.45);
}

.nova-chat-question,
.nova-chat-answer {
  width: fit-content;
  max-width: 88%;
  margin-top: 11px;
  padding: 11px 13px;
  border-radius: 12px;
  font-size: 13px;
  line-height: 1.65;
}

.nova-chat-question {
  margin-left: auto;
  background: var(--ai-yellow);
  color: #18140c;
}

.nova-chat-answer {
  background: rgba(255, 255, 255, 0.09);
  color: rgba(255, 255, 255, 0.82);
}

.nova-route-line {
  display: flex;
  align-items: center;
  gap: 7px;
  margin-top: 48px;
}

.nova-route-line span {
  display: grid;
  place-items: center;
  width: 34px;
  height: 34px;
  border-radius: 50%;
  background: #f0f1ec;
  font-size: 10px;
  font-weight: 850;
}

.nova-route-line i {
  flex: 1;
  height: 1px;
  background: #d4d8d1;
}

.nova-map-orbit {
  position: absolute;
  right: -25px;
  bottom: -34px;
  width: 190px;
  height: 190px;
  border: 1px solid rgba(17, 19, 15, 0.08);
  border-radius: 50%;
}

.nova-map-orbit::before,
.nova-map-orbit::after {
  content: "";
  position: absolute;
  border: 1px solid rgba(17, 19, 15, 0.08);
  border-radius: 50%;
}

.nova-map-orbit::before { inset: 28px; }
.nova-map-orbit::after { inset: 61px; background: var(--ai-yellow); border: 0; }

.nova-showcase {
  background: #e9ece6;
}

.nova-showcase-head {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 30px;
  margin-bottom: 38px;
}

.nova-showcase-head h2 {
  margin: 0;
  font-size: clamp(40px, 4.5vw, 62px);
  letter-spacing: -0.06em;
}

.nova-showcase-head a {
  color: #394038;
  font-size: 14px;
  font-weight: 760;
  text-underline-offset: 5px;
}

.nova-scenic-grid {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: 16px;
}

.nova-scenic-card {
  position: relative;
  overflow: hidden;
  min-height: 480px;
  grid-column: span 4;
  border-radius: 26px;
  background: #1a201b;
  color: #fff;
  text-decoration: none;
}

.nova-scenic-card:first-child {
  grid-column: span 6;
}

.nova-scenic-card:nth-child(2),
.nova-scenic-card:nth-child(3) {
  grid-column: span 3;
}

.nova-scenic-card img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.65s cubic-bezier(.2,.7,.2,1);
}

.nova-scenic-card::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 34%, rgba(7, 12, 8, 0.86) 100%);
}

.nova-scenic-card:hover img {
  transform: scale(1.04);
}

.nova-scenic-copy {
  position: absolute;
  z-index: 1;
  right: 25px;
  bottom: 24px;
  left: 25px;
}

.nova-scenic-copy small {
  color: rgba(255, 255, 255, 0.64);
  font-size: 11px;
}

.nova-scenic-copy strong {
  display: block;
  margin-top: 5px;
  font-size: 29px;
  letter-spacing: -0.04em;
}

.nova-scenic-copy span {
  display: inline-block;
  margin-top: 17px;
  color: var(--ai-yellow-2);
  font-size: 12px;
  font-weight: 760;
}

.nova-process {
  background: #fff;
}

.nova-step-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
}

.nova-step {
  min-height: 260px;
  padding: 30px;
  border: 1px solid var(--ai-line);
  border-radius: 22px;
  background: #fafbf8;
}

.nova-step > span {
  display: grid;
  place-items: center;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: var(--ai-ink);
  color: #fff;
  font-size: 12px;
  font-weight: 850;
}

.nova-step h3 {
  margin: 63px 0 10px;
  font-size: 24px;
  letter-spacing: -0.04em;
}

.nova-step p {
  margin: 0;
  color: var(--ai-muted);
  font-size: 14px;
}

.nova-coverage {
  overflow: hidden;
  padding: 110px 0;
  background: var(--ai-night);
  color: #fff;
}

.nova-coverage-grid {
  display: grid;
  grid-template-columns: 0.85fr 1.15fr;
  align-items: center;
  gap: 90px;
}

.nova-coverage h2 {
  margin: 0;
  font-size: clamp(42px, 5vw, 66px);
  letter-spacing: -0.06em;
  line-height: 1.05;
}

.nova-coverage p {
  color: rgba(255, 255, 255, 0.58);
}

.nova-city-cloud {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.nova-city-cloud a {
  padding: 12px 16px;
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.045);
  color: rgba(255, 255, 255, 0.76);
  text-decoration: none;
  font-size: 13px;
}

.nova-city-cloud a:first-child,
.nova-city-cloud a:nth-child(4n) {
  border-color: rgba(200, 243, 107, 0.28);
  color: var(--ai-lime);
}

.nova-final {
  padding: 110px 0;
  background: var(--ai-yellow);
}

.nova-final-card {
  display: grid;
  grid-template-columns: 90px 1fr auto;
  align-items: center;
  gap: 30px;
}

.nova-final-card > img {
  width: 82px;
  height: 82px;
  padding: 10px;
  border-radius: 24px;
  background: #fff;
}

.nova-final-card h2 {
  margin: 0;
  font-size: clamp(38px, 4.5vw, 62px);
  letter-spacing: -0.06em;
  line-height: 1.08;
}

.nova-final-card p {
  margin: 10px 0 0;
  color: rgba(17, 19, 15, 0.67);
}

.nova-final-card .button {
  min-height: 54px;
  padding: 0 24px;
}

.hero.compact,
.brand-hero,
.detail-hero {
  padding-top: 76px;
}

.hero h1,
.detail-hero h1,
.brand-hero h1 {
  font-family: inherit;
  font-weight: 850;
  letter-spacing: -0.06em;
}

.card,
.callout,
.faq article,
.legal-grid article {
  border-color: var(--ai-line);
  background: rgba(255, 255, 255, 0.82);
  box-shadow: none;
}

#site-footer {
  background: #0e110e;
}

#site-footer .footer-inner {
  max-width: 1240px;
}

#site-footer .footer-links {
  grid-template-columns: repeat(3, minmax(100px, 1fr));
}

.site-sound-toggle {
  border-color: rgba(17, 19, 15, 0.1);
  background: rgba(255, 255, 255, 0.9);
  color: var(--ai-ink);
}

.site-sound-toggle i {
  background: var(--ai-ink);
}

@media (max-width: 1050px) {
  .nova-hero-grid {
    grid-template-columns: 1fr 1fr;
    gap: 35px;
  }

  .nova-hero-copy h1 { font-size: 62px; }
  nav { gap: 18px; }
}

@media (max-width: 900px) {
  .nova-hero { padding-top: 54px; }
  .nova-hero-grid { grid-template-columns: 1fr; }
  .nova-hero-copy { max-width: 720px; }
  .nova-product { max-width: 720px; width: 100%; }
  .nova-signal .nova-shell { grid-template-columns: repeat(3, 1fr); }
  .nova-signal-intro { grid-column: 1 / -1; padding-left: 0; }
  .nova-section-head { grid-template-columns: 1fr; gap: 22px; }
  .nova-bento { grid-template-columns: 1fr; grid-template-rows: auto; }
  .nova-bento-card.dark { grid-row: auto; }
  .nova-scenic-card,
  .nova-scenic-card:first-child,
  .nova-scenic-card:nth-child(2),
  .nova-scenic-card:nth-child(3) { grid-column: span 6; }
  .nova-scenic-card { min-height: 420px; }
  .nova-coverage-grid { grid-template-columns: 1fr; gap: 44px; }
  .nova-final-card { grid-template-columns: 76px 1fr; }
  .nova-final-card .button { grid-column: 2; justify-self: start; }
}

@media (max-width: 680px) {
  .header-inner { height: 64px; padding: 0 15px; }
  .brand { grid-template-columns: 42px max-content; }
  .brand img { width: 42px; height: 42px; }
  .brand strong { font-size: 18px; }
  .brand small { font-size: 8.5px; }
  .header-cta { min-height: 40px; padding: 8px 12px; }
  .nova-shell { width: min(100% - 28px, 1240px); }
  .nova-hero { min-height: auto; padding: 43px 0 40px; }
  .nova-hero-grid { gap: 38px; }
  .nova-kicker { margin-bottom: 19px; font-size: 9px; }
  .nova-hero-copy h1 { font-size: clamp(45px, 13.4vw, 58px); line-height: 1.01; }
  .nova-hero-copy h1 { overflow-wrap: anywhere; }
  .nova-hero-copy > p:not(.nova-kicker) { margin-top: 21px; font-size: 15.5px; line-height: 1.72; }
  .nova-actions { align-items: stretch; flex-direction: column; margin-top: 26px; }
  .nova-actions .button,
  .nova-actions .nova-secondary { justify-content: center; width: 100%; }
  .nova-trust { flex-wrap: wrap; gap: 8px 18px; margin-top: 27px; }
  .nova-product { padding: 6px; border-radius: 25px; }
  .nova-window { border-radius: 19px; }
  .nova-window-bar { min-height: 41px; }
  .nova-stage.hero-stage { min-height: 410px; }
  .nova-stage .hero-place { top: 14px; left: 14px; }
  .nova-stage .route-pill { top: 14px; right: 14px; }
  .nova-stage .route-pill { max-width: 52%; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
  .nova-stage .audio-card { right: 12px; bottom: 12px; left: 12px; }
  .nova-stage .hero-carousel-controls { bottom: 101px; }
  .nova-signal .nova-shell { width: 100%; grid-template-columns: repeat(3, 1fr); }
  .nova-signal-intro { min-height: 92px; padding: 20px 16px; }
  .nova-signal-stat { min-height: 92px; padding: 19px 8px; text-align: center; }
  .nova-signal-stat:last-child { border-right: 0; }
  .nova-signal-stat b { font-size: 25px; }
  .nova-signal-stat span { font-size: 8px; letter-spacing: 0.04em; }
  .nova-section { padding: 80px 0; }
  .nova-section-head { margin-bottom: 32px; }
  .nova-section-head h2 { font-size: 39px; }
  .nova-section-head > p { font-size: 14px; }
  .nova-bento { gap: 12px; }
  .nova-bento-card { min-height: 280px; padding: 24px; border-radius: 22px; }
  .nova-bento-card h3 { margin-top: 54px; font-size: 25px; }
  .nova-bento-card.dark { min-height: 510px; }
  .nova-chat-demo { margin-top: 26px; }
  .nova-showcase { padding: 76px 0; }
  .nova-showcase-head { align-items: flex-start; flex-direction: column; margin-bottom: 28px; }
  .nova-showcase-head h2 { font-size: 40px; }
  .nova-scenic-grid { display: flex; overflow-x: auto; margin-right: -14px; padding-right: 14px; scroll-snap-type: x mandatory; }
  .nova-scenic-card,
  .nova-scenic-card:first-child,
  .nova-scenic-card:nth-child(2),
  .nova-scenic-card:nth-child(3) { flex: 0 0 82vw; min-height: 390px; scroll-snap-align: start; }
  .nova-step-grid { grid-template-columns: 1fr; }
  .nova-step { min-height: 218px; padding: 25px; }
  .nova-step h3 { margin-top: 47px; }
  .nova-coverage { padding: 80px 0; }
  .nova-coverage h2 { font-size: 40px; }
  .nova-city-cloud { gap: 7px; }
  .nova-city-cloud a { padding: 9px 12px; font-size: 11px; }
  .nova-final { padding: 76px 0; }
  .nova-final-card { grid-template-columns: 58px 1fr; gap: 17px; }
  .nova-final-card > img { width: 58px; height: 58px; padding: 7px; border-radius: 17px; }
  .nova-final-card h2 { font-size: 34px; }
  .nova-final-card p { font-size: 13px; }
  .nova-final-card .button { grid-column: 1 / -1; width: 100%; justify-content: center; }
  .site-sound-toggle { display: none; }
  #site-footer .footer-links { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (prefers-reduced-motion: reduce) {
  .nova-scenic-card img { transition: none; }
}