:root{--ink:#11233d;--muted:#65758b;--bg:#f7f9fc;--card:#fff;--brand:#1f6feb;--line:#e5eaf1;--good:#147d4f}
*{box-sizing:border-box}body{margin:0;font-family:Inter,ui-sans-serif,system-ui,-apple-system,Segoe UI,Arial;background:var(--bg);color:var(--ink)}
a{color:inherit;text-decoration:none}.container{max-width:1180px;margin:auto;padding:0 20px}.nav{background:#fff;border-bottom:1px solid var(--line);position:sticky;top:0;z-index:20}
.navin{height:68px;display:flex;align-items:center;gap:24px}.brand{font-weight:800;font-size:22px}.navlinks{display:flex;gap:18px;align-items:center;margin-left:auto}.btn{display:inline-flex;align-items:center;justify-content:center;padding:10px 16px;border-radius:10px;border:1px solid var(--line);background:#fff;cursor:pointer}.btn.primary{background:var(--brand);color:white;border-color:var(--brand)}
.hero{padding:72px 0 52px;background:linear-gradient(180deg,#eef5ff,#f7f9fc)}.hero h1{font-size:48px;line-height:1.08;margin:0 0 16px;max-width:850px}.hero p{font-size:19px;color:var(--muted);max-width:760px}
.grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}.card{background:var(--card);border:1px solid var(--line);border-radius:16px;padding:20px;box-shadow:0 4px 16px rgba(17,35,61,.04)}
.section{padding:36px 0}.muted{color:var(--muted)}.price{font-size:22px;font-weight:800;margin-top:12px}.badge{display:inline-block;font-size:12px;padding:5px 9px;border-radius:999px;background:#edf3ff;color:#174ea6}
.form{max-width:560px;margin:35px auto;background:#fff;border:1px solid var(--line);border-radius:16px;padding:24px}.form label{display:block;font-weight:650;margin-top:14px}.form input,.form select,.form textarea{width:100%;padding:11px 12px;border:1px solid #ccd6e2;border-radius:9px;margin-top:6px}
.alert{padding:12px 14px;border-radius:10px;margin:12px 0;background:#eefaf4;color:var(--good)}.error{background:#fff1f2;color:#a00}.table{width:100%;border-collapse:collapse;background:white}.table th,.table td{padding:12px;border-bottom:1px solid var(--line);text-align:left}.stat{font-size:32px;font-weight:800}.footer{padding:42px 0;color:var(--muted)}
@media(max-width:900px){.grid{grid-template-columns:repeat(2,1fr)}.hero h1{font-size:38px}.navlinks{gap:9px;font-size:14px}}@media(max-width:600px){.grid{grid-template-columns:1fr}.hero h1{font-size:32px}.navlinks a:not(.btn){display:none}}