:root{--bg:#fff;--fg:#1c2a23;--muted:#5b6b62;--brand:#2e7d4f;--card:#f3f7f4;--line:#dbe5de}
@media (prefers-color-scheme:dark){:root{--bg:#121714;--fg:#e8efea;--muted:#9fb0a6;--brand:#6fcf97;--card:#1b231e;--line:#2c3a32}}
*{box-sizing:border-box}
body{margin:0;background:var(--bg);color:var(--fg);font:16px/1.65 system-ui,-apple-system,"Segoe UI",Roboto,sans-serif}
.wrap{max-width:860px;margin:0 auto;padding:0 16px}
.top{border-bottom:1px solid var(--line);position:sticky;top:0;background:var(--bg);z-index:5}
.bar{display:flex;align-items:center;gap:16px;flex-wrap:wrap;padding-top:10px;padding-bottom:10px}
.brand{display:flex;align-items:center;gap:8px;font-weight:700;color:var(--fg);text-decoration:none}
nav{display:flex;gap:4px 14px;flex-wrap:wrap;flex:1}
nav a,.lang{color:var(--muted);text-decoration:none;font-size:.95rem}
nav a:hover,.lang:hover{color:var(--brand)}
nav a[aria-current]{color:var(--brand);font-weight:600}
.lang{border:1px solid var(--line);border-radius:999px;padding:2px 12px}
main{padding-top:28px;padding-bottom:48px}
h1{font-size:2rem;line-height:1.2;margin:.2em 0 .5em}
h2{font-size:1.3rem;margin:1.8em 0 .5em}
a{color:var(--brand)}
.muted{color:var(--muted)}
.hero{text-align:center;padding:24px 0 8px}
.hero img{border-radius:20px}
.lead{font-size:1.15rem;color:var(--muted);max-width:620px;margin:0 auto}
.cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:14px;margin:28px 0}
.card{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:16px 18px;margin:14px 0}
.cards .card{margin:0}
.card h3{margin:0 0 6px;font-size:1.05rem}
.card p{margin:.3em 0}
.steps li{margin:.4em 0}
details{background:var(--card);border:1px solid var(--line);border-radius:12px;padding:10px 16px;margin:10px 0}
summary{cursor:pointer;font-weight:600}
footer{border-top:1px solid var(--line);padding:20px 0;color:var(--muted);font-size:.9rem}
@media (max-width:640px){h1{font-size:1.6rem}.top{position:static}.bar{gap:8px 12px}.lang{margin-left:auto}nav{order:3;flex-basis:100%;gap:4px 16px}}