:root{
  --bg: #0f1724;
  --card: #0b1220;
  --accent: #60a5fa;
  --muted: #94a3b8;
  --text: #e6eef8;
}
*{box-sizing:border-box}
html,body{height:100%;margin:0;font-family:Inter, system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial}
body{background:linear-gradient(180deg,#071028 0%,var(--bg) 100%);color:var(--text);display:flex;align-items:center;justify-content:center;padding:24px}
.container{max-width:760px;width:100%;background:linear-gradient(180deg, rgba(255,255,255,0.02), rgba(255,255,255,0.01));border:1px solid rgba(255,255,255,0.04);padding:40px;border-radius:12px;box-shadow:0 10px 30px rgba(2,6,23,0.6)}
header h1{margin:0;font-size:2.25rem;letter-spacing:0.6px}
.subtitle{color:var(--muted);margin-top:6px}
.lead{font-size:1.05rem;margin-top:22px}
.contact-form{margin-top:18px;display:block}
.contact-form label{display:block;margin-top:12px;font-size:0.9rem;color:var(--muted)}
.contact-form input[type="text"],
.contact-form input[type="email"],
.contact-form input[type="tel"],
.contact-form textarea{width:100%;padding:12px;border-radius:8px;border:1px solid rgba(255,255,255,0.06);background:transparent;color:var(--text);margin-top:6px}
.contact-form textarea{resize:vertical}
.btn{display:inline-block;margin-top:14px;padding:10px 16px;border-radius:8px;background:var(--accent);color:#05202b;border:none;font-weight:700;cursor:pointer}
.btn:hover{filter:brightness(.95)}
.details{background:rgba(255,255,255,0.02);padding:14px;border-radius:8px;margin-top:18px;color:var(--muted)}
.notes{margin-top:14px;color:var(--muted);font-size:0.95rem}
footer{margin-top:26px;color:var(--muted);font-size:0.85rem;text-align:center}

@media (max-width:520px){.container{padding:20px}header h1{font-size:1.6rem}}