:root {
  --bg: #ffffff; --card: #f5f5f7; --border: #e8e8ec; --text: #0a0a0b; --muted: #6b6b73;
  --accent: #1f5fe0; --accent-text: #ffffff;
  --font: "Inter", "Segoe UI", system-ui, -apple-system, Roboto, sans-serif;
}
@media (prefers-color-scheme: dark) {
  :root { --bg: #000000; --card: #121214; --border: #232327; --text: #f5f5f7; --muted: #9a9aa3; --accent: #8fb1ff; --accent-text: #0a0a0b; }
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; background: var(--bg); color: var(--text); font: 16px/1.65 var(--font); -webkit-font-smoothing: antialiased; }
a { color: var(--accent); text-underline-offset: 3px; }
a:focus-visible, .btn:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; border-radius: 6px; }
.skip { position: absolute; left: -999px; top: 8px; background: var(--card); padding: 8px 12px; border-radius: 8px; z-index: 10; }
.skip:focus { left: 8px; }
.wrap { width: min(920px, calc(100% - 40px)); margin: 0 auto; }
header.top { display: flex; align-items: center; justify-content: space-between; gap: 16px; padding: 22px 0; }
.brand { display: inline-flex; align-items: center; gap: 12px; text-decoration: none; color: var(--text); font-weight: 600; font-size: 20px; letter-spacing: -0.3px; }
.brand img { width: 36px; height: 36px; border-radius: 9px; }
nav.main { display: flex; gap: 22px; font-size: 15px; }
nav.main a { color: var(--muted); text-decoration: none; }
nav.main a:hover, nav.main a[aria-current="page"] { color: var(--text); }
.hero { text-align: center; padding: 56px 0 40px; }
.hero img.logo { width: 132px; height: 132px; border-radius: 30px; box-shadow: 0 12px 40px rgba(61, 123, 255, .25); }
.hero h1 { font-size: clamp(34px, 6vw, 54px); line-height: 1.1; letter-spacing: -1.4px; margin: 28px 0 14px; }
.hero p.lead { font-size: clamp(17px, 2.4vw, 20px); color: var(--muted); max-width: 640px; margin: 0 auto 28px; }
.btns { display: flex; flex-wrap: wrap; gap: 12px; justify-content: center; }
.btn { display: inline-flex; align-items: center; min-height: 46px; padding: 0 22px; border-radius: 12px; border: 1px solid var(--border); text-decoration: none; color: var(--text); font-weight: 500; }
.btn.primary { background: var(--accent); color: var(--accent-text); border-color: transparent; }
.grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 16px; margin: 24px 0 8px; }
.card { background: var(--card); border: 1px solid var(--border); border-radius: 16px; padding: 22px; }
.card h3 { margin: 0 0 8px; font-size: 18px; letter-spacing: -0.2px; }
.card p { margin: 0; color: var(--muted); font-size: 15px; }
section { padding: 36px 0 8px; }
h2 { font-size: 28px; letter-spacing: -0.6px; margin: 0 0 8px; }
.sub { color: var(--muted); margin: 0 0 8px; }
.names { display: flex; flex-wrap: wrap; gap: 10px; margin: 14px 0 0; padding: 0; list-style: none; }
.names li { border: 1px solid var(--border); background: var(--card); border-radius: 9px; padding: 4px 12px; font-size: 14px; font-weight: 500; }
.note { border: 1px solid var(--border); border-left: 4px solid var(--accent); border-radius: 12px; padding: 14px 18px; background: var(--card); color: var(--muted); font-size: 15px; }
article.doc { padding: 18px 0 20px; max-width: 760px; }
article.doc h1 { font-size: clamp(30px, 5vw, 40px); letter-spacing: -1px; line-height: 1.15; margin: 8px 0 6px; }
article.doc h2 { font-size: 22px; margin: 34px 0 8px; letter-spacing: -0.3px; }
article.doc ul { padding-left: 22px; }
article.doc li { margin: 6px 0; }
.meta { color: var(--muted); font-size: 14px; margin: 0 0 26px; }
footer { border-top: 1px solid var(--border); margin-top: 56px; padding: 26px 0 40px; color: var(--muted); font-size: 14px; }
footer .wrap { display: flex; flex-wrap: wrap; gap: 8px 22px; justify-content: space-between; }
footer a { color: var(--muted); }
@media (max-width: 560px) { nav.main { gap: 14px; font-size: 14px; } .hero { padding-top: 32px; } }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }