:root {
  --ocean: #0b4f6c;
  --ocean-deep: #073347;
  --lagoon: #1f8a70;
  --hydrangea: #6c7fd8;
  --sand: #f6f1e9;
  --ink: #1d2730;
  --muted: #5b6770;
  --white: #ffffff;
  --radius: 14px;
  --shadow: 0 10px 30px rgba(7, 51, 71, 0.12);
  --max: 1160px;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: "Inter", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  color: var(--ink);
  background: var(--white);
  line-height: 1.65;
  font-size: 17px;
}

h1, h2, h3 {
  font-family: "Playfair Display", Georgia, serif;
  line-height: 1.2;
  color: var(--ocean-deep);
}

h1 { font-size: clamp(2.1rem, 5vw, 3.6rem); margin: 0 0 1rem; }
h2 { font-size: clamp(1.7rem, 3.5vw, 2.5rem); margin: 0 0 1rem; }
h3 { font-size: 1.35rem; margin: 0 0 .5rem; }

a { color: var(--ocean); }
img { max-width: 100%; display: block; }

.container { max-width: var(--max); margin: 0 auto; padding: 0 20px; }

.skip-link {
  position: absolute; left: -999px; top: 0;
  background: var(--ocean); color: #fff; padding: 8px 14px; z-index: 100;
}
.skip-link:focus { left: 8px; }

/* Header */
.site-header {
  position: sticky; top: 0; z-index: 50;
  background: rgba(255, 255, 255, .96);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid #e7ecef;
}
.nav {
  display: flex; align-items: center; justify-content: space-between;
  gap: 16px; min-height: 68px;
}
.logo {
  font-family: "Playfair Display", Georgia, serif;
  font-weight: 700; font-size: 1.25rem;
  color: var(--ocean-deep); text-decoration: none;
}
.logo span { color: var(--lagoon); }
.nav ul { list-style: none; display: flex; gap: 22px; margin: 0; padding: 0; }
.nav ul a { text-decoration: none; color: var(--ink); font-weight: 500; font-size: .96rem; }
.nav ul a:hover { color: var(--lagoon); }

.btn {
  display: inline-block; padding: 13px 26px; border-radius: 999px;
  background: var(--lagoon); color: #fff; text-decoration: none;
  font-weight: 600; border: 0; cursor: pointer; font-size: 1rem;
  transition: transform .15s ease, background .15s ease;
}
.btn:hover { background: #18705b; transform: translateY(-1px); }
.btn-outline { background: transparent; border: 2px solid #fff; }
.btn-outline:hover { background: rgba(255,255,255,.15); }
.btn-small { padding: 9px 18px; font-size: .92rem; }
.btn-wa { background: #25d366; color: #fff; display: inline-flex; align-items: center; gap: 8px; }
.btn-wa:hover { background: #1ebe5a; }
.btn-wa svg { width: 1.2em; height: 1.2em; fill: currentColor; flex: none; }
.btn-large { padding: 17px 32px; font-size: 1.12rem; }
.wa-box {
  background: #e9fbf0; border: 2px solid #25d366; border-radius: var(--radius);
  padding: 26px; margin: 22px 0;
}
.wa-box p { margin: 10px 0 0; color: var(--muted); font-size: .95rem; }
.form-note { font-size: .92rem; color: var(--muted); margin: 0 0 6px; }

/* Hero */
.hero {
  position: relative; color: #fff;
  padding: 120px 0 110px;
  background:
    linear-gradient(120deg, rgba(7,51,71,.85), rgba(31,138,112,.65)),
    var(--hero-img, linear-gradient(160deg, #0b4f6c 0%, #1f8a70 55%, #6c7fd8 100%));
  background-size: cover; background-position: center;
}
.hero h1, .hero h2 { color: #fff; }
.hero p.lead { font-size: 1.2rem; max-width: 680px; opacity: .95; }
.hero .actions { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 28px; }
.hero-badges {
  display: flex; flex-wrap: wrap; gap: 10px 22px; margin-top: 34px;
  font-size: .95rem; opacity: .95; padding: 0; list-style: none;
}
.hero-badges li::before { content: "✓ "; color: #9be7c9; font-weight: 700; }
.page-hero { padding: 90px 0 70px; }

/* Sections */
section { padding: 80px 0; }
.alt { background: var(--sand); }
.section-intro { max-width: 760px; color: var(--muted); font-size: 1.08rem; margin-bottom: 40px; }
.eyebrow {
  text-transform: uppercase; letter-spacing: .12em; font-size: .8rem;
  font-weight: 700; color: var(--lagoon); margin-bottom: .5rem; display: block;
}

.grid { display: grid; gap: 26px; }
.grid-2 { grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); }
.grid-3 { grid-template-columns: repeat(auto-fit, minmax(270px, 1fr)); }
.grid-4 { grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); }

.card {
  background: #fff; border-radius: var(--radius); box-shadow: var(--shadow);
  overflow: hidden; display: flex; flex-direction: column;
}
.card-media {
  aspect-ratio: 16 / 10;
  background: linear-gradient(150deg, var(--c1, #0b4f6c), var(--c2, #1f8a70));
  display: flex; align-items: flex-end; padding: 16px; color: #fff;
  font-weight: 600; font-size: .9rem;
}
.card-media img { width: 100%; height: 100%; object-fit: cover; }
.card-body { padding: 22px 24px 26px; display: flex; flex-direction: column; flex: 1; }
.card-body p { color: var(--muted); margin: 0 0 1rem; }
.meta { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 14px; padding: 0; list-style: none; }
.meta li {
  background: #eef6f3; color: var(--lagoon); border-radius: 999px;
  padding: 3px 12px; font-size: .82rem; font-weight: 600;
}
.card-footer { margin-top: auto; display: flex; flex-wrap: wrap; justify-content: space-between; align-items: center; gap: 8px 12px; }
.price { font-weight: 700; color: var(--ocean-deep); white-space: nowrap; }
.price small { font-weight: 400; color: var(--muted); }

.feature { padding: 26px; background: #fff; border-radius: var(--radius); box-shadow: var(--shadow); }
.feature .icon { font-size: 1.8rem; margin-bottom: 8px; }
.feature p { color: var(--muted); margin: 0; }

/* Tour detail */
.tour-layout { display: grid; grid-template-columns: 1fr 340px; gap: 48px; align-items: start; }
.tour-aside {
  position: sticky; top: 90px; background: var(--sand); padding: 28px;
  border-radius: var(--radius);
}
.tour-aside dl { margin: 0 0 20px; }
.tour-aside dt { font-weight: 700; font-size: .85rem; text-transform: uppercase; letter-spacing: .06em; color: var(--lagoon); }
.tour-aside dd { margin: 0 0 14px; }
.itinerary { counter-reset: stop; list-style: none; padding: 0; }
.itinerary li {
  counter-increment: stop; position: relative; padding: 0 0 22px 52px;
  border-left: 2px dashed #cfe0da; margin-left: 17px;
}
.itinerary li:last-child { border-left-color: transparent; }
.itinerary li::before {
  content: counter(stop); position: absolute; left: -18px; top: -2px;
  width: 34px; height: 34px; border-radius: 50%; background: var(--lagoon);
  color: #fff; display: grid; place-items: center; font-weight: 700; font-size: .9rem;
}
.itinerary strong { display: block; color: var(--ocean-deep); }
.checklist { list-style: none; padding: 0; }
.checklist li { padding-left: 28px; position: relative; margin-bottom: 8px; }
.checklist li::before { content: "✓"; position: absolute; left: 0; color: var(--lagoon); font-weight: 700; }
.breadcrumb { font-size: .9rem; margin-bottom: 18px; opacity: .9; }
.breadcrumb a { color: #fff; }
.breadcrumb ol { list-style: none; display: flex; flex-wrap: wrap; gap: 6px; padding: 0; margin: 0; }
.breadcrumb li + li::before { content: "›"; margin-right: 6px; }

/* FAQ */
.faq details {
  background: #fff; border-radius: 12px; padding: 18px 22px; margin-bottom: 12px;
  box-shadow: 0 4px 14px rgba(7,51,71,.07);
}
.faq summary { cursor: pointer; font-weight: 600; color: var(--ocean-deep); font-size: 1.05rem; }
.faq details p { color: var(--muted); margin: 12px 0 0; }

/* Reviews */
.review { background: #fff; padding: 26px; border-radius: var(--radius); box-shadow: var(--shadow); }
.review .stars { color: #f2a93b; letter-spacing: 2px; }
.review p { font-style: italic; color: var(--ink); }
.review cite { color: var(--muted); font-style: normal; font-size: .92rem; }

/* CTA / contact */
.cta {
  background: linear-gradient(120deg, var(--ocean-deep), var(--lagoon));
  color: #fff; border-radius: 22px; padding: 56px 40px; text-align: center;
}
.cta h2 { color: #fff; }
.cta p { max-width: 640px; margin: 0 auto 26px; opacity: .95; }

.contact-form { display: grid; gap: 14px; }
.contact-form label { font-weight: 600; font-size: .92rem; display: grid; gap: 6px; }
.contact-form input, .contact-form select, .contact-form textarea {
  font: inherit; padding: 12px 14px; border: 1px solid #cdd8de; border-radius: 10px; background: #fff;
}
.contact-form .row { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }

/* Footer */
.site-footer { background: var(--ocean-deep); color: #cfe0e8; padding: 60px 0 30px; font-size: .95rem; }
.site-footer a { color: #fff; text-decoration: none; }
.site-footer h3 { color: #fff; font-size: 1.1rem; }
.site-footer ul { list-style: none; padding: 0; margin: 0; }
.site-footer li { margin-bottom: 6px; }
.footer-bottom { border-top: 1px solid rgba(255,255,255,.15); margin-top: 40px; padding-top: 20px; font-size: .85rem; }

.whatsapp-float {
  position: fixed; right: 18px; bottom: 18px; z-index: 60;
  background: #25d366; color: #fff; border-radius: 999px; padding: 13px 20px;
  font-weight: 700; text-decoration: none; box-shadow: 0 8px 24px rgba(0,0,0,.2);
  display: inline-flex; align-items: center; gap: 8px;
}
.whatsapp-float svg { width: 1.3em; height: 1.3em; fill: currentColor; }

.nav ul a[aria-current="page"] { color: var(--lagoon); }

@media (max-width: 900px) {
  .nav { flex-wrap: wrap; padding-top: 10px; }
  .nav ul {
    order: 3; width: 100%; gap: 20px; overflow-x: auto; white-space: nowrap;
    padding: 2px 0 10px; scrollbar-width: none;
  }
  .nav ul::-webkit-scrollbar { display: none; }
  .tour-layout { grid-template-columns: 1fr; }
  .tour-aside { position: static; }
}
@media (max-width: 560px) {
  section { padding: 60px 0; }
  .hero { padding: 80px 0 70px; }
  .contact-form .row { grid-template-columns: 1fr; }
  .cta { padding: 40px 22px; }
}