:root{
  --bg:#ffffff;
  --text:#111;
  --muted:#555;
  --border:#e6e6e6;
  --card:#fafafa;
  --max:1100px;
}
*{box-sizing:border-box}
html,body{margin:0;padding:0;font-family:system-ui,-apple-system,Segoe UI,Roboto,Arial,sans-serif;color:var(--text);background:var(--bg);line-height:1.55}
a{color:inherit}
.container{max-width:var(--max);margin:0 auto;padding:0 18px}
header{position:sticky;top:0;background:rgba(255,255,255,.92);backdrop-filter:saturate(180%) blur(10px);border-bottom:1px solid var(--border);z-index:10}
.nav{display:flex;align-items:center;justify-content:space-between;gap:18px;padding:12px 0}
.brand{display:flex;align-items:center;gap:12px;text-decoration:none}
.brand img{height:34px;width:auto}
.menu{display:flex;flex-wrap:wrap;gap:14px;align-items:center}
.menu a{font-size:14px;text-decoration:none;color:var(--muted);padding:6px 8px;border-radius:10px}
.menu a:hover{background:var(--card);color:var(--text)}
.hero{padding:54px 0 26px;border-bottom:1px solid var(--border)}
.grid{display:grid;gap:22px}
.hero-grid{grid-template-columns:1.2fr .8fr;align-items:center}
@media (max-width:900px){.hero-grid{grid-template-columns:1fr}.menu{gap:8px}}
h1{font-size:42px;line-height:1.15;margin:0 0 10px}
p.lead{font-size:18px;color:var(--muted);margin:0 0 18px}
.cta{display:flex;gap:10px;flex-wrap:wrap;margin-top:10px}
.btn{display:inline-block;border:1px solid var(--text);background:var(--text);color:#fff;padding:10px 14px;border-radius:12px;text-decoration:none;font-weight:600;font-size:14px}
.btn.secondary{background:#fff;color:var(--text)}
.section{padding:34px 0;border-bottom:1px solid var(--border)}
.cards{grid-template-columns:repeat(3,1fr)}
@media (max-width:900px){.cards{grid-template-columns:1fr}}
.card{background:var(--card);border:1px solid var(--border);border-radius:16px;padding:16px}
.card h3{margin:0 0 8px}
.small{font-size:13px;color:var(--muted)}
footer{padding:26px 0}
footer .footgrid{display:grid;grid-template-columns:1fr auto;gap:12px;align-items:start}
footer a{color:var(--muted);text-decoration:none}
footer a:hover{color:var(--text)}
.kv{border:1px solid var(--border);border-radius:18px;overflow:hidden;background:var(--card)}
.kv img{display:block;width:100%;height:auto}
.kv .pad{padding:14px}
form{display:grid;gap:10px;max-width:680px}
input,textarea,select{padding:10px 12px;border-radius:12px;border:1px solid var(--border);font:inherit}
textarea{min-height:120px;resize:vertical}
.notice{font-size:12px;color:var(--muted)}