:root {
  --bg: #0b1220;
  --card: #ffffff;
  --brand: #0e5bd7;
  --text: #0b1220;
  --muted: #6b7280;
}
*{box-sizing:border-box}
html,body{margin:0;padding:0}
body{font-family:Inter,system-ui,-apple-system,Segoe UI,Roboto,Arial,sans-serif;background:linear-gradient(180deg,#dfe9ff 0%,#eef4ff 50%,#ffffff 100%);color:var(--text)}
.hero{background:linear-gradient(135deg,#0f2b72 0%,#0e5bd7 60%,#5ea3ff 100%);color:#fff;padding:48px 16px}
.hero-inner{max-width:960px;margin:0 auto}
.hero h1{margin:0 0 6px 0;font-size:36px}
.sub{opacity:.9;margin:0}
.container{max-width:960px;margin:-40px auto 64px;padding:0 16px}
.card{background:var(--card);border-radius:16px;box-shadow:0 20px 40px rgba(13,38,76,.12);padding:20px}
.trip-type{display:flex;gap:16px;margin-bottom:8px}
.row{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin:12px 0}
.row label{display:flex;flex-direction:column;font-weight:600;font-size:14px;color:#111827}
input{margin-top:6px;border:1px solid #e5e7eb;border-radius:12px;padding:12px 14px;font-size:16px}
.hidden{display:none}
.btn{background:var(--brand);color:#fff;border:none;border-radius:12px;padding:14px 18px;font-weight:700;width:100%;cursor:pointer}
.btn:hover{filter:brightness(1.05)}
.results{margin-top:20px}
.result{background:#fff;border:1px solid #e5e7eb;border-radius:14px;padding:14px;margin:10px 0;display:flex;justify-content:space-between;align-items:center}
.result .meta{color:var(--muted);font-size:13px}
.footer{max-width:960px;margin:40px auto;padding:0 16px;color:var(--muted)}
@media (max-width:640px){
  .row{grid-template-columns:1fr}
}