:root {
  --navy: #0a2540;
  --teal: #00b4a6;
  --teal-dark: #009688;
  --sand: #fdf8f0;
  --ink: #1c2b3a;
  --muted: #5b6b7c;
  --card: #ffffff;
  --line: #e6edf3;
}
* { box-sizing: border-box; margin: 0; padding: 0; }
body { font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif; color: var(--ink); background: var(--sand); line-height: 1.55; }
.wrap { max-width: 1080px; margin: 0 auto; padding: 0 20px; }

.site-header { background: var(--navy); color: #fff; padding: 14px 0; position: sticky; top: 0; z-index: 10; }
.site-header .wrap { display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 10px; }
.logo { color: #fff; text-decoration: none; font-weight: 800; font-size: 1.25rem; }
.site-header nav { display: flex; gap: 4px; flex-wrap: wrap; }
.site-header nav a { color: #cdd9e5; text-decoration: none; padding: 8px 12px; border-radius: 8px; font-size: .95rem; }
.site-header nav a:hover, .site-header nav a.active { background: rgba(255,255,255,.12); color: #fff; }

.hero { background: linear-gradient(135deg, var(--navy) 0%, #123a63 60%, #0e5f6b 100%); color: #fff; padding: 56px 0 48px; }
.hero h1 { font-size: 2.4rem; line-height: 1.15; margin-bottom: 12px; }
.hero .sub { font-size: 1.1rem; color: #d7e3f0; max-width: 640px; }
.hero .updated { margin-top: 18px; color: #9fd9d2; font-size: .95rem; }

main { padding: 32px 0 56px; }
.port-filter { display: flex; gap: 8px; flex-wrap: wrap; margin-bottom: 24px; }
.port-filter button { border: 1px solid var(--line); background: #fff; padding: 9px 16px; border-radius: 999px; cursor: pointer; font-size: .92rem; color: var(--ink); }
.port-filter button.active, .port-filter button:hover { background: var(--teal); border-color: var(--teal); color: #fff; }

.deals-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(300px, 1fr)); gap: 20px; }
.deal-card { background: var(--card); border: 1px solid var(--line); border-radius: 14px; padding: 22px; display: flex; flex-direction: column; gap: 8px; box-shadow: 0 2px 8px rgba(10,37,64,.05); }
.deal-card .port-tag { align-self: flex-start; background: #e6f7f5; color: var(--teal-dark); font-size: .78rem; font-weight: 700; padding: 4px 10px; border-radius: 999px; text-transform: uppercase; letter-spacing: .04em; }
.deal-card h3 { font-size: 1.15rem; }
.deal-card .route { color: var(--muted); font-size: .95rem; }
.deal-card .price-row { display: flex; align-items: baseline; gap: 10px; margin-top: 4px; }
.deal-card .price { font-size: 1.7rem; font-weight: 800; color: var(--navy); }
.deal-card .per { color: var(--muted); font-size: .85rem; }
.deal-card .was { color: var(--muted); text-decoration: line-through; font-size: .95rem; }
.deal-card .perks { font-size: .88rem; color: var(--teal-dark); }
.deal-card .book-btn { margin-top: auto; display: block; text-align: center; background: var(--teal); color: #fff; text-decoration: none; font-weight: 700; padding: 12px; border-radius: 10px; }
.deal-card .book-btn:hover { background: var(--teal-dark); }
.deal-card .meta { font-size: .8rem; color: var(--muted); }

.why { margin-top: 48px; }
.why h2 { margin-bottom: 16px; }
.why-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 16px; }
.why-grid > div { background: var(--card); border: 1px solid var(--line); border-radius: 12px; padding: 20px; }
.why-grid h3 { font-size: 1.05rem; margin-bottom: 6px; }
.why-grid p { color: var(--muted); font-size: .94rem; }

.page-hero { background: linear-gradient(135deg, var(--navy), #0e5f6b); color: #fff; padding: 44px 0 36px; }
.page-hero h1 { font-size: 2rem; margin-bottom: 8px; }
.page-hero p { color: #d7e3f0; max-width: 640px; }
.prose { background: var(--card); border: 1px solid var(--line); border-radius: 14px; padding: 28px; margin: 28px 0; }
.prose h2 { margin: 20px 0 8px; font-size: 1.25rem; }
.prose h2:first-child { margin-top: 0; }
.prose p, .prose li { color: #33465a; margin-bottom: 10px; }
.prose ul { padding-left: 22px; }

footer { background: var(--navy); color: #b9c8da; padding: 28px 0; font-size: .9rem; }
footer .tiny { margin-top: 8px; font-size: .78rem; color: #7e93ab; }
.loading { color: var(--muted); padding: 24px 0; }

@media (max-width: 640px) {
  .hero h1 { font-size: 1.8rem; }
  .site-header nav a { padding: 6px 8px; font-size: .85rem; }
}

/* Newsletter signup */
.newsletter {
  margin: 2.5rem 0 0;
  padding: 2rem 1.5rem;
  background: linear-gradient(135deg, #0b3d62, #079992);
  border-radius: 14px;
  text-align: center;
  color: #fff;
}
.newsletter h2 { margin: 0 0 0.5rem; font-size: 1.4rem; }
.newsletter p { margin: 0.5rem auto 1.25rem; max-width: 34rem; opacity: 0.92; }
.newsletter form { display: flex; gap: 0.5rem; justify-content: center; flex-wrap: wrap; }
.newsletter input[type="email"] {
  padding: 0.75rem 1rem;
  border: none;
  border-radius: 8px;
  font-size: 1rem;
  width: min(20rem, 100%);
}
.newsletter button {
  padding: 0.75rem 1.5rem;
  border: none;
  border-radius: 8px;
  font-size: 1rem;
  font-weight: 700;
  background: #f6b93b;
  color: #1a1a1a;
  cursor: pointer;
}
.newsletter button:hover { background: #eaa324; }
.nl-note { min-height: 1.5em; font-weight: 600; }