:root {
  --bg: #edf7ff;
  --navy: #0d2f46;
  --navy-soft: #1d4d68;
  --blue: #1a7ee6;
  --gold: #ffb400;
  --gold-soft: #ffd164;
  --white: #ffffff;
  --muted: #617a89;
  --line: rgba(13, 47, 70, 0.09);
  --shadow: 0 22px 50px rgba(13, 47, 70, 0.12);
}

* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: "Cairo", sans-serif;
  background: linear-gradient(180deg, #f2f9ff 0%, #edf5ff 100%);
  color: var(--navy);
}

a { text-decoration: none; color: inherit; }
button, input, select { font: inherit; }

.topbar {
  background: rgba(13, 47, 70, 0.96);
  color: var(--white);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px 48px;
  position: sticky;
  top: 0;
  z-index: 10;
  box-shadow: 0 10px 22px rgba(13, 47, 70, 0.12);
}

.brand-wrap {
  display: flex;
  align-items: center;
  gap: 12px;
}

.brand-mark {
  width: 44px;
  height: 44px;
  border-radius: 14px;
  display: grid;
  place-items: center;
  background: linear-gradient(135deg, var(--gold), #ffcb52);
  color: var(--navy);
  font-size: 1.6rem;
  font-weight: 900;
}

.brand-name {
  font-size: 1.7rem;
  font-weight: 900;
}

.brand-wrap small {
  color: rgba(255,255,255,0.72);
  display: block;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.main-nav {
  display: flex;
  align-items: center;
  gap: 18px;
  font-weight: 700;
}

.main-nav a { opacity: 0.9; }
.main-nav a:hover { color: var(--gold-soft); }

.page-shell {
  max-width: 1180px;
  margin: 0 auto;
  padding: 38px 24px 80px;
}

.booking-card {
  background: rgba(255,255,255,0.82);
  border: 1px solid var(--line);
  border-radius: 28px;
  box-shadow: var(--shadow);
  padding: 24px;
}

.booking-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 18px;
}

.eyebrow {
  display: inline-block;
  padding: 8px 12px;
  border-radius: 999px;
  background: rgba(26, 126, 230, 0.08);
  color: var(--blue);
  font-weight: 800;
}

.booking-header h1 {
  margin: 10px 0 0;
  font-size: clamp(2rem, 3vw, 3rem);
}

.secure-pill {
  padding: 10px 16px;
  border-radius: 999px;
  background: rgba(255, 180, 0, 0.12);
  color: var(--navy);
  font-weight: 800;
}

.booking-grid {
  display: grid;
  grid-template-columns: 1.5fr 0.8fr;
  gap: 26px;
}

.booking-form,
.summary-panel {
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 24px;
  padding: 22px;
}

.two-col {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
  margin-bottom: 16px;
}

label {
  display: grid;
  gap: 8px;
  font-weight: 700;
  color: var(--navy);
}

input,
select {
  border: 1px solid var(--line);
  background: #f5f9ff;
  border-radius: 14px;
  padding: 14px 16px;
  color: var(--navy);
}

.travel-options,
.payment-methods {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 18px;
}

.option-card,
.method {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 12px 16px;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: #f9fbff;
  cursor: pointer;
  font-weight: 700;
}

.option-card.selected,
.method.selected {
  background: rgba(255, 180, 0, 0.08);
  border-color: rgba(255, 180, 0, 0.35);
}

.option-card input,
.method input {
  accent-color: var(--gold);
}

.payment-box {
  margin-top: 18px;
  padding-top: 18px;
  border-top: 1px solid var(--line);
}

.payment-box h3 {
  margin: 0 0 12px;
}

.submit-btn {
  width: 100%;
  border: 0;
  background: linear-gradient(135deg, var(--gold), #ffc94a);
  color: var(--navy);
  border-radius: 16px;
  padding: 18px 16px;
  margin-top: 22px;
  font-weight: 900;
  cursor: pointer;
  box-shadow: 0 12px 28px rgba(255, 180, 0, 0.24);
}

.summary-panel {
  display: grid;
  align-content: start;
  gap: 18px;
}

.trip-summary h2 {
  margin: 0;
  font-size: 1.7rem;
}

.trip-summary p {
  margin: 10px 0 0;
  color: var(--muted);
}

.summary-list {
  display: grid;
  gap: 12px;
}

.summary-list div,
.total-box {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 12px 0;
  border-bottom: 1px solid var(--line);
}

.total-box {
  border: 0;
  padding-top: 18px;
  font-size: 1.15rem;
  font-weight: 800;
}

.total-box strong {
  font-size: 1.8rem;
  color: var(--navy);
}

@media (max-width: 900px) {
  .topbar { padding: 14px 18px; }
  .main-nav { gap: 8px; font-size: 0.8rem; flex-wrap: wrap; }
  .booking-grid,
  .two-col { grid-template-columns: 1fr; }
  .booking-header { flex-direction: column; align-items: flex-start; }
}