:root {
  color-scheme: dark;
  --bg: #08090d;
  --bg-soft: #0e1118;
  --surface: #121620;
  --surface-2: #171d29;
  --line: rgba(255, 255, 255, 0.11);
  --text: #f7fbff;
  --muted: rgba(247, 251, 255, 0.66);
  --soft: rgba(247, 251, 255, 0.48);
  --cyan: #67e8f9;
  --green: #a3e635;
  --violet: #7c3aed;
  --amber: #fbbf24;
  --max: 1180px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background:
    radial-gradient(circle at 74% 18%, rgba(124, 58, 237, 0.18), transparent 28rem),
    radial-gradient(circle at 16% 10%, rgba(103, 232, 249, 0.13), transparent 26rem),
    linear-gradient(180deg, #08090d 0%, #0a0d12 46%, #08090d 100%);
  color: var(--text);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  letter-spacing: 0;
}

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

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

.announcement {
  min-height: 42px;
  display: grid;
  place-items: center;
  padding: 8px 18px;
  background: linear-gradient(90deg, #0ea5e9, #6d28d9 56%, #7c3aed);
  color: white;
  font-size: 14px;
  font-weight: 680;
  text-align: center;
}

.nav {
  position: sticky;
  top: 0;
  z-index: 30;
  backdrop-filter: blur(20px);
  background: rgba(8, 9, 13, 0.82);
  border-bottom: 1px solid var(--line);
}

.nav-inner {
  width: min(var(--max), calc(100% - 40px));
  margin: 0 auto;
  min-height: 76px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font-weight: 820;
}

.brand-mark {
  width: 38px;
  height: 38px;
  display: grid;
  place-items: center;
  border-radius: 9px;
  color: #071016;
  background: linear-gradient(135deg, var(--cyan), var(--green) 62%, var(--amber));
  box-shadow: 0 0 34px rgba(103, 232, 249, 0.22);
}

.brand-word {
  font-size: 20px;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 24px;
  color: var(--muted);
  font-size: 14px;
}

.nav-links a:hover,
.nav-links a.active {
  color: #fff;
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 10px;
}

.lang-switch {
  display: inline-grid;
  grid-template-columns: repeat(2, minmax(42px, 1fr));
  gap: 2px;
  min-height: 36px;
  padding: 3px;
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.055);
}

.lang-switch button {
  min-width: 42px;
  border: 0;
  border-radius: 6px;
  color: var(--muted);
  background: transparent;
  font: inherit;
  font-size: 12px;
  font-weight: 760;
  cursor: pointer;
}

.lang-switch button[aria-pressed="true"] {
  color: #071016;
  background: linear-gradient(135deg, var(--cyan), var(--green));
}

.button {
  min-height: 44px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 0 18px;
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: 8px;
  color: #071016;
  background: linear-gradient(135deg, var(--cyan), var(--green));
  font-weight: 760;
  white-space: nowrap;
}

.button.secondary {
  color: #fff;
  background: rgba(255, 255, 255, 0.055);
}

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

.shell {
  width: min(var(--max), calc(100% - 40px));
  margin: 0 auto;
}

.hero {
  min-height: auto;
  display: grid;
  grid-template-columns: minmax(0, 1.02fr) minmax(380px, 0.98fr);
  gap: 58px;
  align-items: center;
  padding: 58px 0 44px;
}

.page-hero {
  padding: 86px 0 44px;
  border-bottom: 1px solid var(--line);
}

.kicker {
  margin-bottom: 18px;
  color: var(--cyan);
  font-size: 12px;
  font-weight: 820;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

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

.hero-title,
.page-title {
  margin-bottom: 22px;
  line-height: 0.96;
  letter-spacing: 0;
  font-weight: 860;
}

.hero-title {
  font-size: clamp(48px, 6.2vw, 78px);
}

.page-title {
  max-width: 850px;
  font-size: clamp(44px, 6vw, 76px);
}

.gradient-text {
  display: block;
  color: transparent;
  background: linear-gradient(120deg, #fff, var(--cyan) 35%, var(--green) 68%, var(--amber));
  -webkit-background-clip: text;
  background-clip: text;
}

.lead {
  max-width: 720px;
  color: var(--muted);
  font-size: clamp(17px, 2vw, 21px);
  line-height: 1.7;
}

.hero-actions {
  margin-top: 34px;
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.hero-media {
  position: relative;
  min-height: 480px;
  border: 1px solid var(--line);
  border-radius: 12px;
  overflow: hidden;
  background: #0b0f16;
  box-shadow: 0 30px 90px rgba(0, 0, 0, 0.34);
}

.hero-media img {
  width: 100%;
  height: 100%;
  min-height: 480px;
  object-fit: cover;
  opacity: 0.92;
}

.terminal {
  position: absolute;
  left: 22px;
  right: 22px;
  bottom: 22px;
  padding: 18px;
  border: 1px solid rgba(103, 232, 249, 0.22);
  border-radius: 10px;
  background: rgba(3, 7, 12, 0.84);
  font: 12px/1.8 ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  color: rgba(235, 255, 255, 0.84);
  overflow-x: auto;
}

.terminal strong {
  color: var(--green);
}

.terminal em {
  color: var(--cyan);
  font-style: normal;
}

.section {
  padding: 74px 0;
  border-top: 1px solid var(--line);
}

.section-head {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 28px;
  margin-bottom: 28px;
}

.section-head p {
  max-width: 510px;
  margin-bottom: 0;
}

.section-title {
  margin-bottom: 0;
  font-size: clamp(30px, 4vw, 50px);
  line-height: 1.05;
  letter-spacing: 0;
}

.muted {
  color: var(--muted);
  line-height: 1.68;
}

.grid-3,
.grid-4,
.model-grid,
.blog-grid,
.pricing-grid {
  display: grid;
  gap: 14px;
}

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

.grid-4 {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

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

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

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

.card,
.model-card,
.blog-card,
.pricing-card,
.doc-panel {
  border: 1px solid var(--line);
  border-radius: 10px;
  background: rgba(255, 255, 255, 0.045);
}

.card {
  min-height: 178px;
  padding: 22px;
}

.card-number {
  width: 36px;
  height: 36px;
  display: grid;
  place-items: center;
  margin-bottom: 18px;
  border-radius: 8px;
  color: #061016;
  background: linear-gradient(135deg, var(--cyan), var(--green));
  font-size: 13px;
  font-weight: 820;
}

.card h3,
.model-card h3,
.blog-card h3,
.pricing-card h3 {
  margin-bottom: 10px;
  font-size: 18px;
  line-height: 1.28;
}

.card p,
.model-card p,
.blog-card p,
.pricing-card p {
  margin-bottom: 0;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.62;
}

.model-card {
  min-height: 138px;
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 14px;
  align-items: start;
  padding: 18px;
}

.model-name {
  margin-bottom: 8px;
  color: #fff;
  font: 14px/1.35 ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  overflow-wrap: anywhere;
}

.pill,
.status {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  min-height: 28px;
  padding: 0 9px;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 760;
}

.pill {
  color: #081015;
  background: linear-gradient(135deg, var(--cyan), var(--green));
}

.status {
  color: #bbf7d0;
  border: 1px solid rgba(34, 197, 94, 0.24);
  background: rgba(34, 197, 94, 0.08);
}

.status::before {
  content: "";
  width: 7px;
  height: 7px;
  border-radius: 999px;
  background: #22c55e;
}

.tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 9px;
  margin: 28px 0 24px;
}

.tabs span,
.tabs a {
  display: inline-flex;
  min-height: 34px;
  align-items: center;
  padding: 0 12px;
  border: 1px solid var(--line);
  border-radius: 999px;
  color: var(--muted);
  font-size: 13px;
}

.tabs .active {
  color: #081015;
  border-color: transparent;
  background: linear-gradient(135deg, var(--cyan), var(--green));
  font-weight: 760;
}

.blog-card {
  min-height: 246px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: 20px;
}

.blog-card.featured {
  grid-column: span 2;
  background: linear-gradient(135deg, rgba(103, 232, 249, 0.1), rgba(124, 58, 237, 0.08), rgba(163, 230, 53, 0.06));
}

.blog-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  align-items: center;
  color: var(--soft);
  font-size: 12px;
}

.blog-card details {
  margin-top: auto;
  padding-top: 12px;
  border-top: 1px solid var(--line);
}

.blog-card summary {
  cursor: pointer;
  list-style: none;
  color: var(--green);
  font-size: 13px;
  font-weight: 760;
}

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

.blog-card summary::after {
  content: " +";
}

.blog-card details[open] summary::after {
  content: " -";
}

.article-body {
  display: grid;
  gap: 12px;
  margin-top: 14px;
}

.article-body h4 {
  margin: 4px 0 0;
  font-size: 14px;
}

.article-body ul,
.pricing-card ul {
  margin: 0;
  padding-left: 18px;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.65;
}

.code {
  overflow-x: auto;
  padding: 16px;
  border: 1px solid rgba(103, 232, 249, 0.18);
  border-radius: 10px;
  background: rgba(1, 5, 10, 0.88);
  color: rgba(235, 255, 255, 0.86);
  font: 12px/1.8 ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
}

.pricing-card {
  min-height: 420px;
  display: flex;
  flex-direction: column;
  gap: 18px;
  padding: 24px;
}

.pricing-card.highlight {
  border-color: rgba(103, 232, 249, 0.34);
  background: linear-gradient(135deg, rgba(103, 232, 249, 0.11), rgba(124, 58, 237, 0.08));
}

.price-label {
  display: inline-flex;
  align-items: center;
  width: fit-content;
  min-height: 32px;
  padding: 0 11px;
  border-radius: 999px;
  color: #081015;
  background: linear-gradient(135deg, var(--cyan), var(--green));
  font-size: 13px;
  font-weight: 820;
}

.pricing-card .button {
  margin-top: auto;
}

.doc-panel {
  padding: 24px;
}

.doc-grid {
  display: grid;
  grid-template-columns: minmax(0, 0.86fr) minmax(360px, 1.14fr);
  gap: 18px;
  align-items: start;
}

.footer {
  padding: 46px 0 36px;
  border-top: 1px solid var(--line);
  color: var(--muted);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr repeat(3, 1fr);
  gap: 28px;
}

.footer h3,
.footer h4 {
  margin: 0 0 12px;
  color: #fff;
}

.footer a,
.footer span {
  display: block;
  margin-top: 9px;
  color: var(--muted);
  font-size: 14px;
}

.copyright {
  margin-top: 32px;
  padding-top: 18px;
  border-top: 1px solid var(--line);
  color: var(--soft);
  font-size: 13px;
}

@media (max-width: 980px) {
  .nav-links {
    gap: 14px;
  }

  .hero,
  .doc-grid {
    grid-template-columns: 1fr;
  }

  .hero-media,
  .hero-media img {
    min-height: 430px;
  }

  .grid-4,
  .grid-3,
  .pricing-grid,
  .blog-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .section-head {
    display: grid;
    align-items: start;
  }

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

@media (max-width: 720px) {
  .announcement {
    font-size: 12px;
  }

  .nav-inner {
    width: min(100% - 28px, var(--max));
    min-height: 66px;
  }

  .brand-word {
    font-size: 17px;
  }

  .nav-links {
    display: none;
  }

  .button.secondary {
    display: none;
  }

  .lang-switch {
    min-height: 34px;
  }

  .lang-switch button {
    min-width: 36px;
  }

  .shell {
    width: min(100% - 28px, var(--max));
  }

  .hero {
    min-height: auto;
    padding: 54px 0 46px;
  }

  .hero-title,
  .page-title {
    font-size: 44px;
  }

  .grid-4,
  .grid-3,
  .pricing-grid,
  .blog-grid,
  .model-grid,
  .footer-grid {
    grid-template-columns: 1fr;
  }

  .blog-card.featured {
    grid-column: span 1;
  }

  .model-card {
    grid-template-columns: 1fr;
  }
}