:root{--bg:#fcf9f8;--card:#fff;--soft:#f0eded;--text:#1c1b1b;--muted:#414755;--line:#e5e2e1;--primary:#0058bc;--primary-2:#0070eb;--on-primary:#fff;--accent:#e2dfff}
@media (prefers-color-scheme:dark){:root{--bg:#131314;--card:#1d1d1f;--soft:#26262a;--text:#e5e2e1;--muted:#b4b8c6;--line:#2f2f33;--primary:#adc6ff;--primary-2:#6ea0ff;--on-primary:#001a41;--accent:#2a2966}}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;background:var(--bg);color:var(--text);font:16px/1.65 Inter,-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif}
h1,h2,h3{font-family:Manrope,Inter,-apple-system,sans-serif;letter-spacing:-.02em;line-height:1.25;margin:0 0 .5em}
a{color:var(--primary)}
.wrap{max-width:880px;margin:0 auto;padding:0 16px}
header.top{position:sticky;top:0;z-index:5;background:color-mix(in srgb,var(--bg) 88%,transparent);backdrop-filter:saturate(180%) blur(12px);-webkit-backdrop-filter:saturate(180%) blur(12px);border-bottom:1px solid var(--line)}
header.top .wrap{display:flex;align-items:center;justify-content:space-between;height:60px;gap:12px}
.brand{display:flex;align-items:center;gap:10px;font:700 17px Manrope,Inter,sans-serif;color:var(--text);text-decoration:none;white-space:nowrap}
.logo{width:32px;height:32px;border-radius:8px;display:block;flex:none}
nav a{color:var(--muted);text-decoration:none;font-size:14px;font-weight:500;margin-left:16px}
nav a:hover,nav a[aria-current]{color:var(--primary)}
.hero{padding:56px 0 32px}
.hero p{color:var(--muted);font-size:18px;max-width:620px;margin:0}
.hero h1{font-size:clamp(30px,6vw,44px)}
.btn{display:inline-block;margin-top:22px;background:var(--primary);color:var(--on-primary);padding:12px 22px;border-radius:12px;text-decoration:none;font-weight:600}
.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:14px;margin:8px 0 40px}
.card{background:var(--card);border:1px solid var(--line);border-radius:16px;padding:20px}
.card h3{font-size:17px;margin-bottom:4px}
.card p{margin:0;color:var(--muted);font-size:15px}
.ico{font-size:22px;margin-bottom:8px}
section{margin-bottom:44px}
section>h2{font-size:24px}
details{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:0 18px;margin-bottom:10px}
summary{cursor:pointer;font-weight:600;padding:15px 0;list-style:none;display:flex;justify-content:space-between;gap:12px}
summary::-webkit-details-marker{display:none}
summary::after{content:"+";color:var(--muted);font-weight:400;font-size:20px;line-height:1}
details[open] summary::after{content:"–"}
details>div{padding:0 0 16px;color:var(--muted)}
details>div p{margin:0 0 .6em}
.contact{background:var(--accent);border-radius:18px;padding:24px}
.contact p{margin:.2em 0}
.doc{padding:40px 0 20px}
.doc h1{font-size:clamp(28px,5vw,36px)}
.doc h2{font-size:20px;margin-top:1.8em}
.doc .meta{color:var(--muted);font-size:14px;margin-bottom:28px}
.doc li{margin:.25em 0}
.note{background:var(--soft);border-radius:12px;padding:14px 16px}
footer{border-top:1px solid var(--line);color:var(--muted);font-size:14px;padding:24px 0 40px;margin-top:20px}
footer .wrap{display:flex;flex-wrap:wrap;gap:8px 18px;justify-content:space-between}
footer a{color:var(--muted)}
@media (max-width:520px){nav a{margin-left:12px;font-size:13px}.brand span.name{display:none}}