:root{
  --brand:#0b5fff; --dark:#0f172a; --text:#0b1220; --muted:#5b677a; --ring:#e6ecff; --bg:#ffffff;
}
*{box-sizing:border-box}
html,body{margin:0;padding:0;background:var(--bg);color:var(--text);font:16px/1.55 system-ui,-apple-system,Segoe UI,Roboto,Inter,Arial,sans-serif}
a{color:var(--brand);text-decoration:none}
a:hover{text-decoration:underline}

.topbar{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:14px 20px;border-bottom:1px solid var(--ring);background:#fff;position:sticky;top:0;z-index:20}
.brand{display:flex;align-items:center;gap:10px;font-weight:800;letter-spacing:.2px}
.brand small{display:block;font-size:12px;color:var(--muted)}
nav ul{display:flex;gap:14px;list-style:none;margin:0;padding:0;flex-wrap:wrap}
.btn{display:inline-block;padding:10px 16px;border-radius:12px;font-weight:700;border:1px solid var(--brand);background:var(--brand);color:#fff}
.btn.outline{background:#fff;color:var(--brand)}

.hero img{width:100%;height:auto;display:block;aspect-ratio:16/9;object-fit:cover}
.heroCard{margin:-84px auto 0;max-width:1100px;background:#fff;padding:22px;border-radius:16px;box-shadow:0 8px 30px rgba(2,12,60,.12);border:1px solid var(--ring)}
.heroCard h1{margin:0 0 6px;font-size:28px}
.heroCard p{margin:0 0 14px;color:var(--muted)}
@media(min-width:700px){.heroCard h1{font-size:34px}}

.container{max-width:1100px;margin:28px auto;padding:0 18px}
.grid{display:grid;gap:16px}
.cards{grid-template-columns:repeat(12,1fr)}
.card{grid-column:span 12;border:1px solid var(--ring);border-radius:16px;padding:18px;background:#fff}
.card h3{margin:0 0 6px}
.card img{width:100%;height:auto;border-radius:12px;margin:6px 0 8px}
@media(min-width:700px){.card{grid-column:span 4}}

footer{border-top:1px solid var(--ring);margin-top:38px;padding:22px 18px;color:var(--muted);background:#fafcff}
.cols{display:grid;grid-template-columns:1fr;gap:16px}
@media(min-width:700px){.cols{grid-template-columns:1fr 1fr}}

form{display:grid;gap:12px;margin-top:12px}
input,textarea{width:100%;padding:12px 14px;border:1px solid var(--ring);border-radius:12px;font:inherit}
label{font-weight:700}
.badge{display:inline-block;padding:6px 10px;border-radius:999px;background:var(--ring);color:var(--brand);font-weight:700;font-size:12px}