:root {
  color-scheme: light;
  --ink: #172033;
  --muted: #5a6475;
  --paper: #f7faf8;
  --surface: #ffffff;
  --line: #dce4e2;
  --green: #0f7c66;
  --blue: #295b9f;
  --amber: #c07820;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Hiragino Sans", "Yu Gothic", sans-serif;
}
* { box-sizing: border-box; }
body { margin: 0; color: var(--ink); background: var(--paper); font-size: 17px; line-height: 1.7; }
a { color: var(--green); text-underline-offset: 0.18em; }
code { padding: 0.1em 0.34em; border: 1px solid var(--line); border-radius: 6px; background: #eef5f2; font-size: 0.9em; }
.topbar { border-bottom: 1px solid var(--line); background: rgba(255,255,255,0.92); }
.topbar-inner, main, footer { width: min(1040px, calc(100% - 36px)); margin: 0 auto; }
.topbar-inner { display: flex; align-items: center; min-height: 64px; gap: 18px; }
.brand { color: var(--ink); font-weight: 850; text-decoration: none; }
.nav { display: flex; gap: 16px; margin-left: auto; font-size: 0.92rem; font-weight: 700; }
.nav a { color: var(--muted); text-decoration: none; }
.lang { display: flex; gap: 8px; }
.lang a[aria-current="page"] { color: var(--ink); font-weight: 800; }
.hero { display: grid; grid-template-columns: minmax(0, 1.15fr) minmax(280px, 0.85fr); gap: 32px; padding: 72px 0 48px; align-items: center; }
.eyebrow { margin: 0 0 10px; color: var(--green); font-weight: 850; text-transform: uppercase; letter-spacing: 0.08em; font-size: 0.78rem; }
h1 { margin: 0; font-size: clamp(2.3rem, 6vw, 4.8rem); line-height: 0.98; letter-spacing: 0; }
h2 { margin: 0 0 14px; font-size: clamp(1.6rem, 3vw, 2.3rem); line-height: 1.1; }
h3 { margin: 0 0 8px; }
.lede { color: var(--muted); font-size: 1.12rem; max-width: 62ch; }
.panel { border: 1px solid var(--line); border-radius: 8px; background: var(--surface); padding: 22px; box-shadow: 0 20px 50px rgba(23,32,51,0.08); }
.section { padding: 42px 0; border-top: 1px solid var(--line); }
.grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.card { border: 1px solid var(--line); border-radius: 8px; background: var(--surface); padding: 18px; }
.block { display: block; margin: 8px 0; padding: 10px 12px; border-radius: 7px; background: #f2a33a; color: #2d1800; font-weight: 750; }
pre { overflow-x: auto; padding: 16px; border-radius: 8px; background: #111827; color: #e5edf8; }
pre code { display: block; padding: 0; border: 0; border-radius: 0; background: transparent; color: inherit; font-size: 0.92rem; }
.note { border-left: 4px solid var(--amber); padding: 12px 16px; background: #fff8ed; }
footer { padding: 32px 0 48px; color: var(--muted); }
@media (max-width: 760px) {
  .hero, .grid { grid-template-columns: 1fr; }
  .topbar-inner { align-items: flex-start; flex-direction: column; padding: 14px 0; }
  .nav { margin-left: 0; flex-wrap: wrap; }
}