:root {
  --bg: #ffffff;
  --fg: #1c2330;
  --muted: #5b6575;
  --line: #e2e6ec;
  --soft: #f4f6f9;
  --accent: #1f5fbf;
  --accent-fg: #ffffff;
  --code-bg: #f1f3f6;
  --mono: ui-monospace, SFMono-Regular, Menlo, Consolas, "Liberation Mono", monospace;
  color-scheme: light dark;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #11151c;
    --fg: #e4e8ee;
    --muted: #9aa4b2;
    --line: #2a313c;
    --soft: #181e27;
    --accent: #6ea8ff;
    --accent-fg: #0b1220;
    --code-bg: #1b222c;
  }
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--fg);
  font: 16px/1.6 system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}
a { color: var(--accent); }
a:hover { text-decoration-thickness: 2px; }
.bar { max-width: 72rem; margin: 0 auto; padding: 0 16px; display: flex; flex-wrap: wrap; align-items: center; gap: 8px 20px; }
.top { border-bottom: 1px solid var(--line); }
.top .bar { min-height: 56px; justify-content: space-between; }
.brand { display: flex; align-items: center; gap: 10px; color: var(--fg); text-decoration: none; font-weight: 650; font-size: 18px; }
.brand img { border-radius: 6px; }
.top nav { display: flex; gap: 16px; flex-wrap: wrap; }
.top nav a { color: var(--fg); text-decoration: none; }
.top nav a:hover { color: var(--accent); }
footer { border-top: 1px solid var(--line); margin-top: 48px; padding: 20px 0 32px; color: var(--muted); font-size: 14px; }
footer a { color: var(--muted); }
footer span { margin-left: auto; }
.page { max-width: 72rem; margin: 0 auto; padding: 0 16px; }
.page main { max-width: 46rem; min-width: 0; }
.with-side { display: grid; grid-template-columns: 15rem minmax(0, 1fr); grid-template-areas: "side main"; gap: 40px; }
.with-side main { grid-area: main; }
.side { grid-area: side; padding-top: 24px; font-size: 15px; }
.side-title { font-weight: 650; margin: 0 0 8px; }
.side ul { list-style: none; margin: 0; padding: 0; position: sticky; top: 16px; }
.side li a { display: block; padding: 4px 8px; border-radius: 6px; color: var(--fg); text-decoration: none; }
.side li a:hover { background: var(--soft); }
.side li a[aria-current] { background: var(--soft); color: var(--accent); font-weight: 600; }
@media (max-width: 860px) {
  .with-side { display: block; }
  .side { margin-top: 40px; padding: 12px 16px; border: 1px solid var(--line); border-radius: 8px; }
  .side ul { position: static; }
}
h1, h2, h3, h4 { line-height: 1.25; margin: 1.8em 0 0.6em; }
h1 { font-size: 2rem; margin-top: 1.2em; }
h2 { font-size: 1.45rem; padding-top: 0.4em; border-top: 1px solid var(--line); }
h3 { font-size: 1.15rem; }
code { font-family: var(--mono); font-size: 0.9em; background: var(--code-bg); padding: 0.1em 0.35em; border-radius: 4px; overflow-wrap: anywhere; }
pre { background: var(--code-bg); padding: 12px 14px; border-radius: 8px; overflow-x: auto; line-height: 1.45; }
pre code { background: none; padding: 0; font-size: 0.85em; overflow-wrap: normal; }
.table { overflow-x: auto; margin: 1em 0; }
table { border-collapse: collapse; font-size: 0.92em; }
th, td { border: 1px solid var(--line); padding: 6px 10px; text-align: left; vertical-align: top; }
th { background: var(--soft); }
blockquote { margin: 1em 0; padding: 0 1em; border-left: 3px solid var(--line); color: var(--muted); }
hr { border: 0; border-top: 1px solid var(--line); }
.lead { font-size: 1.15rem; color: var(--muted); }
.button { display: inline-flex; flex-direction: column; gap: 2px; padding: 10px 16px; border: 1px solid var(--line); border-radius: 8px;
  color: var(--fg); text-decoration: none; background: var(--soft); margin: 4px 8px 4px 0; }
.button:hover { border-color: var(--accent); }
.button span { font-size: 13px; color: var(--muted); font-family: var(--mono); overflow-wrap: anywhere; }
.button.primary { background: var(--accent); border-color: var(--accent); color: var(--accent-fg); font-weight: 600; }
.downloads { display: grid; grid-template-columns: repeat(auto-fit, minmax(14rem, 1fr)); gap: 8px; }
.downloads .button { margin: 0; }
.notice { background: var(--soft); border: 1px solid var(--line); border-left: 4px solid var(--accent); border-radius: 8px; padding: 10px 14px; }
.promise { font-size: 1.25rem; font-weight: 600; border-left: 4px solid var(--accent); padding-left: 14px; }
.wide main { max-width: none; }
.wide main > h2, .wide main > p, .wide main > pre, .wide main > .downloads, .wide main > .faq { max-width: 52rem; }
.hero { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1.1fr); gap: 40px; align-items: center; padding: 40px 0 24px; }
.hero h1 { font-size: 2.8rem; line-height: 1.1; margin: 0 0 20px; border: 0; }
.checks { list-style: none; padding: 0; margin: 0 0 24px; }
.checks li { padding-left: 28px; position: relative; margin: 6px 0; }
.checks li::before { content: "✓"; position: absolute; left: 4px; color: var(--accent); font-weight: 700; }
.actions { display: flex; flex-wrap: wrap; gap: 8px; }
.actions .button { margin: 0; }
.hero-code { background: var(--code-bg); border: 1px solid var(--line); border-radius: 12px; padding: 4px 16px 8px; min-width: 0; }
.hero-code pre { padding: 0; margin: 0 0 8px; background: none; }
.code-title { margin: 12px 0 4px; font-size: 13px; color: var(--muted); font-family: var(--mono); }
.band { margin: 32px 0; }
.cards { display: grid; grid-template-columns: repeat(auto-fit, minmax(15rem, 1fr)); gap: 12px; }
.card { border: 1px solid var(--line); border-radius: 10px; padding: 4px 18px 8px; background: var(--soft); }
.card h3 { margin: 12px 0 4px; }
.card p { margin: 0 0 8px; color: var(--muted); }
.split h2, .band h2 { margin-top: 0.6em; }
.split { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1.4fr); gap: 32px; align-items: center; margin: 24px 0; }
.shot { margin: 0; }
.shot img { width: 100%; height: auto; border: 1px solid var(--line); border-radius: 10px; display: block; }
.muted { color: var(--muted); }
.top nav a.nav-demo { color: var(--accent); font-weight: 600; }
.faq details { border-bottom: 1px solid var(--line); padding: 10px 0; }
.faq summary { cursor: pointer; font-weight: 600; }
.faq details p { margin: 8px 0 4px; }
@media (max-width: 860px) {
  .hero, .split { grid-template-columns: minmax(0, 1fr); }
  .hero h1 { font-size: 2.2rem; }
}
@media (max-width: 520px) {
  h1, .hero h1 { font-size: 1.6rem; }
  footer span { margin-left: 0; width: 100%; }
}