:root {
  color-scheme: dark;
  --bg: #101513;
  --panel: #171d1a;
  --panel-2: #1e2521;
  --line: #303a34;
  --ink: #f1f5f2;
  --muted: #9ca9a1;
  --accent: #70d8ad;
  --accent-strong: #8be8c0;
  --accent-ink: #0b1a13;
  --ok: #5bc893;
  --code: #0c100e;
  --shadow: rgba(0, 0, 0, .3);
  --shell: 1180px;
  --mono: "SFMono-Regular", Consolas, "Liberation Mono", monospace;
  --sans: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

:root[data-theme="light"] {
  color-scheme: light;
  --bg: #f5f7f5;
  --panel: #ffffff;
  --panel-2: #edf2ef;
  --line: #d4ddd7;
  --ink: #17211c;
  --muted: #647169;
  --accent: #187c59;
  --accent-strong: #106847;
  --accent-ink: #ffffff;
  --ok: #17764f;
  --code: #17201b;
  --shadow: rgba(35, 54, 44, .12);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 90px; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.6;
  text-rendering: optimizeLegibility;
}
a { color: inherit; }
button, a { -webkit-tap-highlight-color: transparent; }
button, input { font: inherit; }
button:focus-visible, a:focus-visible { outline: 3px solid var(--accent); outline-offset: 3px; }

.skip-link {
  position: fixed; top: 10px; left: 10px; z-index: 20;
  padding: 8px 12px; background: var(--accent); color: var(--accent-ink);
  font-weight: 800; transform: translateY(-160%);
}
.skip-link:focus { transform: translateY(0); }
.shell { width: min(calc(100% - 40px), var(--shell)); margin-inline: auto; }

.site-header {
  position: sticky; top: 0; z-index: 10;
  border-bottom: 1px solid color-mix(in srgb, var(--line) 82%, transparent);
  background: color-mix(in srgb, var(--bg) 92%, transparent);
  backdrop-filter: blur(14px);
}
.header-inner { min-height: 66px; display: flex; align-items: center; gap: 28px; }
.wordmark {
  margin-right: auto; color: var(--ink); font-size: 18px; font-weight: 850;
  letter-spacing: -.035em; text-decoration: none;
}
.primary-nav, .header-actions, .hero-actions, .footer-inner nav { display: flex; align-items: center; }
.primary-nav { gap: 26px; }
.primary-nav a, .footer-inner a {
  color: var(--muted); font-size: 13px; font-weight: 700; text-decoration: none;
}
.primary-nav a:hover, .footer-inner a:hover, .text-link:hover { color: var(--accent); }
.header-actions { gap: 9px; }
.nav-toggle {
  display: none; min-height: 34px; align-items: center; justify-content: center;
  padding: 0 10px; border: 1px solid var(--line); border-radius: 7px;
  background: var(--panel); color: var(--ink); cursor: pointer;
  font-size: 12px; font-weight: 800;
}
.nav-toggle:hover { border-color: var(--accent); color: var(--accent); }
.theme-toggle-icon, .github-label-short { display: none; }
.quiet-button, .copy-button {
  border: 0; background: transparent; color: var(--muted);
  cursor: pointer; font-size: 12px; font-weight: 750;
}
.quiet-button:hover, .copy-button:hover { color: var(--ink); }

.button {
  min-height: 42px; display: inline-flex; align-items: center; justify-content: center;
  padding: 0 17px; border: 1px solid var(--accent); border-radius: 7px;
  background: var(--accent); color: var(--accent-ink);
  font-size: 13px; font-weight: 800; text-decoration: none;
  transition: transform 140ms ease, background 140ms ease;
}
.button:hover { background: var(--accent-strong); transform: translateY(-1px); }
.button-small { min-height: 34px; padding-inline: 12px; font-size: 12px; }
.button-secondary { border-color: var(--line); background: var(--panel); color: var(--ink); }
.button-secondary:hover { border-color: var(--accent); background: var(--panel-2); }

.hero {
  min-height: 700px; display: grid;
  grid-template-columns: minmax(0, 1.08fr) minmax(420px, .92fr);
  align-items: center; gap: clamp(48px, 7vw, 92px); padding-block: 86px 100px;
}
.eyebrow { display: flex; flex-wrap: wrap; gap: 7px; margin-bottom: 22px; }
.eyebrow span, .chip-list span {
  border: 1px solid var(--line); border-radius: 999px; background: var(--panel);
  color: var(--muted); font-family: var(--mono); font-size: 11px;
}
.eyebrow span { padding: 4px 9px; }
h1, h2, h3, p { margin-top: 0; }
h1 {
  max-width: 720px; margin-bottom: 25px; font-size: clamp(54px, 7.3vw, 92px);
  line-height: .98; letter-spacing: -.065em;
}
.hero-lede {
  max-width: 640px; margin-bottom: 29px; color: var(--muted);
  font-size: clamp(17px, 2vw, 20px); line-height: 1.65;
}
.hero-actions { flex-wrap: wrap; gap: 10px; }
.hero-note { margin: 17px 0 0; color: var(--muted); font-size: 12px; }

.terminal-card {
  min-width: 0; overflow: hidden; border: 1px solid var(--line);
  border-radius: 10px; background: var(--code); box-shadow: 0 32px 70px var(--shadow);
}
.terminal-head, .terminal-status {
  display: flex; align-items: center; justify-content: space-between; padding-inline: 15px;
  color: #aab7af; font-family: var(--mono); font-size: 11px;
}
.terminal-head { min-height: 43px; border-bottom: 1px solid #2a322e; }
.terminal-card .copy-button, .api-panel .copy-button { color: #9faca5; }
pre {
  margin: 0; overflow: auto; color: #e0e8e3; font-family: var(--mono);
  font-size: 12.5px; line-height: 1.75; tab-size: 2;
}
.terminal-card pre { min-height: 330px; padding: 22px; }
.code-comment { color: #6e8277; }
.terminal-status {
  min-height: 42px; justify-content: flex-start; gap: 9px; border-top: 1px solid #2a322e;
}
.status-dot {
  width: 8px; height: 8px; border-radius: 50%; background: var(--ok);
  box-shadow: 0 0 0 4px rgba(91, 200, 147, .12);
}

.proof-strip { border-block: 1px solid var(--line); background: var(--panel); }
.proof-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); }
.proof-grid > div {
  min-height: 128px; display: flex; flex-direction: column; justify-content: center;
  padding: 22px 30px; border-left: 1px solid var(--line);
}
.proof-grid > div:last-child { border-right: 1px solid var(--line); }
.proof-grid strong { font-family: var(--mono); font-size: clamp(20px, 2.4vw, 30px); line-height: 1.1; }
.proof-grid span { margin-top: 7px; color: var(--muted); font-size: 12px; }

.section { padding-block: 110px; }
.section-tinted, .section-performance {
  border-block: 1px solid var(--line); background: var(--panel);
}
.section-heading { max-width: 760px; margin-bottom: 48px; }
.section-label {
  margin-bottom: 12px; color: var(--accent); font-family: var(--mono);
  font-size: 11px; font-weight: 800; letter-spacing: .08em; text-transform: uppercase;
}
.section-heading h2, .closing h2 {
  margin-bottom: 17px; font-size: clamp(36px, 5vw, 58px);
  line-height: 1.08; letter-spacing: -.045em;
}
.section-heading > p:last-child, .closing > p:not(.section-label) {
  color: var(--muted); font-size: 17px;
}
.section-heading-split {
  max-width: none; display: grid; grid-template-columns: 1fr minmax(300px, .62fr);
  align-items: end; gap: 60px;
}
.section-heading-split p:last-child { margin-bottom: 10px; }

.feature-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 10px; }
.feature-card {
  min-height: 290px; display: flex; flex-direction: column; padding: 26px;
  border: 1px solid var(--line); border-radius: 9px; background: var(--panel);
}
.feature-card-wide { grid-column: span 2; }
.feature-number { margin-bottom: auto; color: var(--accent); font-family: var(--mono); font-size: 11px; }
.feature-card h3, .model-groups h3 { margin-bottom: 10px; font-size: 19px; letter-spacing: -.02em; }
.feature-card p { max-width: 580px; margin-bottom: 19px; color: var(--muted); font-size: 14px; }
.feature-card a, .text-link {
  width: fit-content; color: var(--accent); font-size: 12px;
  font-weight: 800; text-underline-offset: 4px;
}

.section-embeddings {
  border-bottom: 1px solid var(--line);
  background: linear-gradient(135deg, color-mix(in srgb, var(--panel) 78%, var(--bg)), var(--bg));
}
.embeddings-layout {
  display: grid; grid-template-columns: minmax(0, .9fr) minmax(420px, 1.1fr);
  align-items: center; gap: clamp(46px, 7vw, 94px);
}
.embeddings-layout .section-heading { margin-bottom: 0; }
.embeddings-layout .section-heading > p:not(.section-label) {
  color: var(--muted); font-size: 17px;
}
.embedding-detail { max-width: 660px; margin-bottom: 28px; font-size: 14px !important; }
.embedding-card {
  overflow: hidden; border: 1px solid var(--line); border-radius: 10px;
  background: var(--code); box-shadow: 0 28px 62px var(--shadow);
}
.embedding-card-head {
  min-height: 44px; display: flex; align-items: center; justify-content: space-between;
  padding-inline: 17px; border-bottom: 1px solid #2a322e;
  color: #aab7af; font-family: var(--mono); font-size: 11px;
}
.embedding-card .copy-button { color: #9faca5; }
.embedding-card pre { min-height: 144px; padding: 24px; border-bottom: 1px solid #2a322e; }
.embedding-flow { display: grid; gap: 0; margin: 0; padding: 0 24px; list-style: none; }
.embedding-flow li {
  display: grid; grid-template-columns: 34px minmax(0, 1fr); gap: 10px;
  padding: 16px 0; border-bottom: 1px solid #2a322e;
}
.embedding-flow li:last-child { border-bottom: 0; }
.embedding-flow span { color: #83deb8; font-family: var(--mono); font-size: 11px; font-weight: 800; }
.embedding-flow p { margin: 0; color: #bbc8c1; font-size: 12px; line-height: 1.55; }

.model-groups {
  display: grid; grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 10px; margin-bottom: 28px;
}
.model-groups article {
  min-height: 248px; padding: 25px; border: 1px solid var(--line);
  border-radius: 9px; background: var(--bg);
}
.chip-list { display: flex; flex-wrap: wrap; gap: 7px; }
.chip-list span { padding: 5px 8px; background: var(--panel-2); }
.model-note { margin: 12px 0 0; color: var(--muted); font-size: 12px; }

.api-demo {
  overflow: hidden; border: 1px solid var(--line);
  border-radius: 10px; background: var(--code);
}
.api-tabs { display: flex; gap: 4px; padding: 10px; border-bottom: 1px solid #2a322e; }
.api-tab {
  min-height: 36px; padding: 0 13px; border: 1px solid transparent; border-radius: 6px;
  background: transparent; color: #93a198; cursor: pointer; font-size: 12px; font-weight: 750;
}
.api-tab:hover { color: #eef4f0; }
.api-tab.is-active { border-color: #3b4941; background: #1e2822; color: #83deb8; }
.api-panel { position: relative; }
.api-panel .copy-button { position: absolute; top: 16px; right: 18px; }
.api-panel pre { min-height: 290px; padding: 28px; }

.performance-layout {
  display: grid; grid-template-columns: minmax(0, .8fr) minmax(460px, 1.2fr);
  gap: 80px;
}
.performance-layout .section-heading { margin-bottom: 0; }
.performance-layout .button { margin-top: 12px; }
.performance-list {
  display: grid; grid-template-columns: repeat(2, minmax(0, 1fr));
  border-top: 1px solid var(--line); border-left: 1px solid var(--line);
}
.performance-list article {
  min-height: 190px; padding: 23px; border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}
.performance-list strong { font-size: 14px; }
.performance-list p { margin: 10px 0 0; color: var(--muted); font-size: 13px; }

.closing { max-width: 900px; padding-block: 130px; text-align: center; }
.closing > p:not(.section-label) { max-width: 640px; margin-inline: auto; }
.closing .hero-actions { justify-content: center; margin-top: 29px; }
.site-footer { border-top: 1px solid var(--line); background: var(--panel); }
.footer-inner {
  min-height: 120px; display: grid; grid-template-columns: 1fr auto auto;
  align-items: center; gap: 46px;
}
.footer-inner strong { font-size: 15px; }
.footer-inner p, .footer-inner > span { margin: 4px 0 0; color: var(--muted); font-size: 11px; }
.footer-inner nav { gap: 20px; }
.toast {
  position: fixed; right: 22px; bottom: 22px; z-index: 20;
  padding: 10px 13px; border: 1px solid var(--line); border-radius: 7px;
  background: var(--ink); color: var(--bg); box-shadow: 0 12px 30px var(--shadow);
  font-size: 12px; font-weight: 800;
}
[hidden] { display: none !important; }

@media (max-width: 980px) {
  .header-inner { position: relative; gap: 14px; }
  .nav-toggle { display: inline-flex; }
  .primary-nav {
    position: absolute; top: calc(100% + 8px); right: 0; left: 0; z-index: 12;
    display: none; gap: 0; padding: 7px; border: 1px solid var(--line);
    border-radius: 9px; background: var(--panel); box-shadow: 0 18px 40px var(--shadow);
  }
  .primary-nav.is-open { display: grid; }
  .primary-nav a { padding: 10px 11px; border-radius: 6px; }
  .primary-nav a:hover { background: var(--panel-2); }
  .hero { grid-template-columns: 1fr; gap: 55px; padding-block: 75px; }
  .hero-copy, .terminal-card { max-width: 760px; }
  .feature-grid, .model-groups { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .feature-card-wide { grid-column: span 1; }
  .section-heading-split, .embeddings-layout, .performance-layout { grid-template-columns: 1fr; gap: 28px; }
  .performance-layout { gap: 52px; }
}

@media (max-width: 680px) {
  .shell { width: min(calc(100% - 28px), var(--shell)); }
  .header-inner { min-height: 58px; }
  .header-actions .quiet-button {
    width: 32px; min-height: 32px; display: inline-flex; align-items: center;
    justify-content: center; padding: 0; border: 1px solid var(--line); border-radius: 7px;
    background: var(--panel);
  }
  .header-actions { gap: 6px; }
  .nav-toggle { padding-inline: 9px; }
  .theme-toggle-icon { display: inline; font-size: 16px; line-height: 1; }
  .theme-toggle-label, .github-label-full { display: none; }
  .github-label-short { display: inline; }
  .button-small { min-height: 32px; }
  .hero { min-height: 0; padding-block: 58px 66px; }
  h1 { font-size: clamp(48px, 15vw, 68px); }
  .hero-lede { font-size: 16px; }
  .terminal-card pre { min-height: 300px; padding: 18px; overflow-wrap: anywhere; white-space: pre-wrap; font-size: 11px; }
  .proof-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .proof-grid > div { min-height: 105px; padding: 18px; border-bottom: 1px solid var(--line); }
  .proof-grid > div:nth-child(2n) { border-right: 1px solid var(--line); }
  .section { padding-block: 78px; }
  .section-heading { margin-bottom: 34px; }
  .section-heading h2, .closing h2 { font-size: 38px; }
  .feature-grid, .model-groups, .performance-list { grid-template-columns: 1fr; }
  .feature-card, .model-groups article { min-height: 240px; }
  .embedding-card pre { min-height: 130px; padding: 20px 18px; font-size: 11px; }
  .embedding-flow { padding-inline: 18px; }
  .performance-list { border-left: 1px solid var(--line); }
  .performance-list article { min-height: 145px; }
  .api-tabs { overflow-x: auto; }
  .api-tab { flex: none; }
  .api-panel pre { min-height: 330px; padding: 52px 18px 20px; font-size: 11px; }
  .footer-inner { grid-template-columns: 1fr; gap: 20px; padding-block: 28px; }
  .footer-inner nav { flex-wrap: wrap; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition-duration: .01ms !important; }
}