/* The app's palette and type (AIStudio/DesignSystem/DS.swift): near-black
   ground, #141417 cards, the #FFE900 accent, Manrope and JetBrains Mono. */
:root {
  --ground: #0a0a0b;
  --card: #141417;
  --line: rgba(255, 255, 255, 0.08);
  --text: #ffffff;
  --muted: rgba(255, 255, 255, 0.62);
  --faint: rgba(255, 255, 255, 0.4);
  --accent: #ffe900;
  --on-accent: #0a0a0b;
  --measure: 720px;
  color-scheme: dark;
}

* { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  background: var(--ground);
  color: var(--text);
  font: 500 16px/1.65 "Manrope", system-ui, -apple-system, sans-serif;
  -webkit-font-smoothing: antialiased;
}

a { color: var(--accent); text-underline-offset: 3px; }
a:hover { text-decoration-thickness: 2px; }

.wrap {
  max-width: var(--measure);
  margin: 0 auto;
  padding: 0 20px;
}

/* ── header / footer ─────────────────────────────────────────────── */

.top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding-top: 22px;
  padding-bottom: 22px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--text);
  text-decoration: none;
  font-weight: 800;
  letter-spacing: -0.01em;
}

.brand-tile {
  width: 30px;
  height: 30px;
  border-radius: 9px;
  background: var(--accent);
  display: grid;
  place-items: center;
}

.brand-tile svg { width: 16px; height: 16px; fill: var(--on-accent); }

.nav { display: flex; gap: 18px; font-size: 14px; }
.nav a { color: var(--muted); text-decoration: none; }
.nav a:hover, .nav a[aria-current="page"] { color: var(--text); }

.foot {
  margin-top: 72px;
  padding-top: 24px;
  padding-bottom: 40px;
  border-top: 1px solid var(--line);
  display: flex;
  flex-wrap: wrap;
  gap: 8px 20px;
  font-size: 13px;
  color: var(--faint);
}
.foot a { color: var(--muted); text-decoration: none; }
.foot a:hover { color: var(--text); }

/* ── documents ───────────────────────────────────────────────────── */

.eyebrow {
  font: 500 12px/1.4 "JetBrains Mono", ui-monospace, monospace;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--faint);
  margin: 40px 0 10px;
}

h1 {
  font-size: clamp(32px, 7vw, 44px);
  line-height: 1.08;
  letter-spacing: -0.03em;
  font-weight: 800;
  margin: 0 0 14px;
}

.lede { color: var(--muted); font-size: 17px; margin: 0 0 8px; }
.updated { color: var(--faint); font-size: 13px; margin: 0; }

h2 {
  font-size: 21px;
  line-height: 1.3;
  letter-spacing: -0.015em;
  font-weight: 800;
  margin: 44px 0 10px;
}

h3 { font-size: 16px; font-weight: 800; margin: 24px 0 6px; }

p, li { color: var(--muted); }
strong { color: var(--text); font-weight: 700; }
ul { padding-left: 20px; }
li { margin: 6px 0; }
li::marker { color: var(--faint); }

.card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 18px;
  padding: 6px 20px;
  margin: 18px 0;
}

.card p { margin: 14px 0; }

.table {
  width: 100%;
  border-collapse: collapse;
  font-size: 14px;
  margin: 16px 0;
}
.table th, .table td {
  text-align: left;
  vertical-align: top;
  padding: 12px 12px 12px 0;
  border-bottom: 1px solid var(--line);
}
.table th { color: var(--text); font-weight: 700; }
.table td { color: var(--muted); }
.table-scroll { overflow-x: auto; }

.toc {
  list-style: none;
  padding: 0;
  margin: 24px 0 0;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}
.toc a {
  display: inline-block;
  padding: 7px 12px;
  border: 1px solid var(--line);
  border-radius: 999px;
  font-size: 13px;
  color: var(--muted);
  text-decoration: none;
}
.toc a:hover { color: var(--text); border-color: rgba(255, 255, 255, 0.2); }

/* ── landing ─────────────────────────────────────────────────────── */

.hero { padding: 56px 0 8px; }

.hero h1 { font-size: clamp(38px, 9vw, 60px); text-transform: uppercase; }
.hero h1 span { color: var(--accent); }

.hero .lede { max-width: 520px; }

.features {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(190px, 1fr));
  gap: 12px;
  margin-top: 36px;
}

.feature {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 18px;
  padding: 18px;
}
.feature b { display: block; color: var(--text); font-size: 15px; margin-bottom: 4px; }
.feature span { color: var(--muted); font-size: 14px; line-height: 1.5; }

.button {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-top: 28px;
  padding: 14px 22px;
  border-radius: 999px;
  background: var(--accent);
  color: var(--on-accent);
  font-weight: 800;
  text-decoration: none;
}
.button:hover { filter: brightness(1.05); text-decoration: none; }

.faq details {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 0 18px;
  margin: 10px 0;
}
.faq summary {
  cursor: pointer;
  padding: 16px 0;
  color: var(--text);
  font-weight: 700;
  list-style: none;
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; float: right; color: var(--faint); font-weight: 500; }
.faq details[open] summary::after { content: "–"; }
.faq details p { margin: 0 0 16px; }

code {
  font: 500 13px "JetBrains Mono", ui-monospace, monospace;
  background: rgba(255, 255, 255, 0.06);
  border-radius: 6px;
  padding: 2px 6px;
  color: var(--text);
}

@media (max-width: 520px) {
  .nav { gap: 14px; font-size: 13px; }
  .brand-name { display: none; }
}