:root{--bg:#f6f7f9;--ink:#17202a;--muted:#667085;--brand:#173b57;--soft:#eaf1f5;--card:#fff;--line:#e5e7eb;--accent:#e9b949}
*{box-sizing:border-box}body{margin:0;font-family:Arial,Helvetica,sans-serif;background:var(--bg);color:var(--ink)}
header{background:#fff;border-bottom:1px solid var(--line);position:sticky;top:0;z-index:5}.nav{max-width:1120px;margin:auto;padding:16px 24px;display:flex;gap:22px;align-items:center}
.brand{font-size:23px;font-weight:900;letter-spacing:.5px;color:var(--brand);margin-right:auto}.nav a{color:var(--ink);text-decoration:none}.nav a:hover{color:var(--brand)}
main{max-width:1120px;margin:auto;padding:42px 24px}.hero{background:linear-gradient(120deg,#eaf1f5,#fff4d8);border-radius:22px;padding:60px 48px;margin-bottom:30px}
.kicker{font-weight:800;color:var(--brand);text-transform:uppercase;letter-spacing:1.5px;font-size:13px}h1{font-size:48px;margin:12px 0 16px;line-height:1.05}h2{margin-top:0}.lead{font-size:18px;color:var(--muted);line-height:1.6;max-width:760px}
.btn,button{display:inline-block;background:var(--brand);color:white;border:0;border-radius:9px;padding:12px 18px;font-weight:800;text-decoration:none;cursor:pointer}.btn.alt{background:white;color:var(--brand);border:1px solid #ccd6dd}
.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:18px}.card{background:var(--card);border:1px solid var(--line);border-radius:15px;padding:20px;box-shadow:0 4px 18px rgba(20,35,50,.04)}
.product-img{height:150px;border-radius:11px;background:linear-gradient(145deg,#dfe9ef,#f8e8bf);display:flex;align-items:center;justify-content:center;font-size:50px;margin-bottom:15px}
.price{font-weight:900;color:var(--brand)}.muted{color:var(--muted)}.form{background:#fff;border:1px solid var(--line);border-radius:15px;padding:24px;max-width:680px}
label{display:block;font-weight:800;margin:14px 0 7px}input,textarea,select{width:100%;padding:12px;border:1px solid #cfd6dc;border-radius:8px;font:inherit}.result{margin-top:18px;padding:15px;background:var(--soft);border-radius:9px;min-height:50px;white-space:pre-wrap;word-break:break-word}
.pill{display:inline-block;padding:6px 9px;border-radius:999px;background:#eef4f7;color:var(--brand);font-size:12px;font-weight:800}.status{padding:12px;border-left:4px solid var(--accent);background:#fff8df;margin:16px 0}
footer{max-width:1120px;margin:30px auto;padding:28px 24px;border-top:1px solid var(--line);color:var(--muted);font-size:14px}
code{background:#eef1f4;padding:3px 6px;border-radius:5px}
@media(max-width:700px){h1{font-size:36px}.hero{padding:38px 24px}.nav{flex-wrap:wrap}.brand{width:100%}}