/* ===========================================================
   Atlas Ahead — Design System
   Navy #1B2845 · Gold #B8922A · Cream #F7F4EE
   Display: 'Fraunces' (editorial serif) · Body: 'Inter'
=========================================================== */

:root {
  --navy: #1B2845;
  --navy-soft: #2A3B5F;
  --gold: #B8922A;
  --gold-soft: #D4AF5A;
  --cream: #F7F4EE;
  --white: #FFFFFF;
  --ink: #1B2845;
  --ink-muted: #5B6478;
  --ink-faint: #8B93A5;
  --border-hairline: rgba(27, 40, 69, 0.1);

  --font-display: 'Fraunces', Georgia, serif;
  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;

  --radius-card: 18px;
  --radius-pill: 999px;

  --space-1: 8px;
  --space-2: 16px;
  --space-3: 24px;
  --space-4: 40px;
  --space-5: 64px;
  --space-6: 96px;

  --max-width: 1120px;
}

* { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  * { animation-duration: 0.01ms !important; transition-duration: 0.01ms !important; }
}

body {
  font-family: var(--font-body);
  color: var(--ink);
  background: var(--cream);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

img { max-width: 100%; display: block; }

a { color: inherit; text-decoration: none; }

.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--space-3);
}

/* ---------- Typography ---------- */

h1, h2, h3, .display {
  font-family: var(--font-display);
  font-weight: 500;
  color: var(--navy);
  line-height: 1.15;
  letter-spacing: -0.01em;
}

h1 { font-size: clamp(2.2rem, 6vw, 3.6rem); }
h2 { font-size: clamp(1.7rem, 4vw, 2.4rem); }
h3 { font-size: clamp(1.3rem, 3vw, 1.6rem); }

.eyebrow {
  font-family: var(--font-body);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--gold);
}

.lede {
  font-size: 1.05rem;
  color: var(--ink-muted);
  max-width: 46ch;
}

/* ---------- Header ---------- */

.site-header {
  position: sticky;
  top: 0;
  z-index: 40;
  background: rgba(247, 244, 238, 0.88);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border-hairline);
}

.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 68px;
}

.logo {
  font-family: var(--font-display);
  font-size: 1.15rem;
  color: var(--navy);
  letter-spacing: 0.01em;
}

.logo span { color: var(--gold); }

.site-nav {
  display: flex;
  gap: var(--space-3);
  font-size: 14px;
  color: var(--ink-muted);
}

.site-nav a:hover { color: var(--navy); }

@media (max-width: 720px) {
  .site-header .container { height: auto; padding-top: 14px; padding-bottom: 14px; flex-wrap: wrap; gap: 10px; }
  .site-nav {
    width: 100%;
    overflow-x: auto;
    gap: var(--space-2);
    padding-bottom: 2px;
    -webkit-overflow-scrolling: touch;
  }
  .site-nav a { white-space: nowrap; }
}

/* ---------- Hero ---------- */

.hero {
  padding: var(--space-6) 0 var(--space-5);
  text-align: center;
}

.hero .eyebrow { display: block; margin-bottom: var(--space-2); }

.hero h1 { max-width: 16ch; margin: 0 auto var(--space-2); }

.hero .lede { margin: 0 auto var(--space-4); }

/* ---------- Floating stacked cards (home) ---------- */

.card-stack {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  max-width: 720px;
  margin: 0 auto;
  padding: 0 var(--space-3) var(--space-6);
}

.feature-card {
  position: relative;
  border-radius: var(--radius-card);
  overflow: hidden;
  min-height: 300px;
  display: flex;
  align-items: flex-end;
  background-size: cover;
  background-position: center;
  background-color: var(--navy-soft);
  box-shadow: 0 20px 50px -20px rgba(27, 40, 69, 0.35);
  transition: transform 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

.feature-card:hover { transform: translateY(-4px); }

.feature-card::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 40%, rgba(10, 15, 30, 0.75) 100%);
}

.feature-card .badge {
  position: absolute;
  top: var(--space-2);
  left: var(--space-2);
  z-index: 2;
  font-size: 11px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--gold-soft);
  background: rgba(27, 40, 69, 0.55);
  padding: 5px 12px;
  border-radius: var(--radius-pill);
}

.feature-card .card-body {
  position: relative;
  z-index: 2;
  padding: var(--space-4) var(--space-3) var(--space-3);
  text-align: center;
  width: 100%;
  color: var(--white);
}

.feature-card .card-body h2 { color: var(--white); }

.feature-card .card-body p {
  margin-top: var(--space-1);
  color: rgba(255, 255, 255, 0.82);
  font-size: 0.95rem;
}

.feature-card .card-link {
  display: inline-block;
  margin-top: var(--space-2);
  font-size: 13px;
  font-weight: 600;
  color: var(--gold-soft);
}

/* ---------- Content grid cards (destinations / stories / packages listing) ---------- */

.grid-cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--space-3);
}

.item-card {
  background: var(--white);
  border-radius: var(--radius-card);
  overflow: hidden;
  border: 1px solid var(--border-hairline);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.item-card:hover {
  transform: translateY(-3px);
  box-shadow: 0 16px 40px -20px rgba(27, 40, 69, 0.25);
}

.item-card .thumb {
  height: 220px;
  background-size: cover;
  background-position: center;
  background-color: var(--navy-soft);
}

.detail-hero {
  background-color: var(--navy);
}

.item-card .item-body {
  padding: var(--space-2) var(--space-3) var(--space-3);
}

.item-card .item-body h3 { margin-bottom: 6px; }

.item-card .item-body p {
  color: var(--ink-muted);
  font-size: 0.92rem;
}

.item-card .meta {
  display: flex;
  gap: var(--space-2);
  margin-top: var(--space-2);
  font-size: 12px;
  color: var(--gold);
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

/* ---------- Section ---------- */

.section {
  padding: var(--space-6) 0;
}

.section-head {
  text-align: center;
  margin-bottom: var(--space-4);
}

.section-head .eyebrow { display: block; margin-bottom: var(--space-1); }

.section-head .lede { margin: var(--space-1) auto 0; }

/* ---------- Detail page (destination / story / package) ---------- */

.detail-hero {
  height: 56vh;
  min-height: 320px;
  background-size: cover;
  background-position: center;
  position: relative;
  display: flex;
  align-items: flex-end;
}

.detail-hero::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(10,15,30,0.15) 0%, rgba(10, 15, 30, 0.75) 100%);
}

.detail-hero .detail-hero-body {
  position: relative;
  z-index: 2;
  width: 100%;
  padding: var(--space-4) var(--space-3);
  text-align: center;
  color: var(--white);
}

.detail-hero .detail-hero-body h1 { color: var(--white); max-width: none; }

.detail-content {
  max-width: 720px;
  margin: 0 auto;
  padding: var(--space-5) var(--space-3);
}

.detail-content p { margin-bottom: var(--space-2); color: var(--ink-muted); }

.detail-facts {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: var(--space-2);
  margin: var(--space-3) 0 var(--space-4);
  padding: var(--space-3) 0;
  border-top: 1px solid var(--border-hairline);
  border-bottom: 1px solid var(--border-hairline);
}

.detail-facts .fact .label {
  font-size: 11px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 4px;
}

.detail-facts .fact .value {
  font-family: var(--font-display);
  font-size: 1.1rem;
  color: var(--navy);
}

.gallery {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--space-2);
  margin: var(--space-4) 0;
}

.gallery img { border-radius: var(--radius-card); aspect-ratio: 4/3; object-fit: cover; }

.highlights {
  list-style: none;
  margin: var(--space-3) 0;
}

.highlights li {
  padding: var(--space-1) 0 var(--space-1) var(--space-3);
  position: relative;
  color: var(--ink-muted);
  border-bottom: 1px solid var(--border-hairline);
}

.highlights li::before {
  content: '—';
  position: absolute;
  left: 0;
  color: var(--gold);
}

/* ---------- WhatsApp CTA ---------- */

.whatsapp-cta {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background: var(--navy);
  color: var(--white);
  padding: 14px 28px;
  border-radius: var(--radius-pill);
  font-size: 15px;
  font-weight: 500;
  transition: background 0.25s ease, transform 0.25s ease;
}

.whatsapp-cta:hover { background: var(--navy-soft); transform: translateY(-2px); }

.whatsapp-cta svg { width: 18px; height: 18px; fill: var(--gold-soft); }

.whatsapp-float {
  position: fixed;
  bottom: var(--space-3);
  right: var(--space-3);
  z-index: 50;
  box-shadow: 0 10px 30px -8px rgba(27, 40, 69, 0.5);
}

.cta-center { text-align: center; margin-top: var(--space-4); }

/* ---------- Footer ---------- */

.site-footer {
  background: var(--navy);
  color: rgba(255, 255, 255, 0.7);
  padding: var(--space-5) 0 var(--space-3);
  margin-top: var(--space-6);
}

.site-footer .footer-top {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: var(--space-4);
  padding-bottom: var(--space-4);
  border-bottom: 1px solid rgba(255,255,255,0.12);
}

.site-footer .footer-brand .logo { color: var(--white); }
.site-footer .footer-brand .logo span { color: var(--gold-soft); }
.site-footer .footer-brand p { margin-top: var(--space-1); max-width: 32ch; font-size: 0.9rem; }

.site-footer .footer-col h4 {
  font-size: 12px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--gold-soft);
  margin-bottom: var(--space-2);
}

.site-footer .footer-col a,
.site-footer .footer-col p {
  display: block;
  font-size: 0.9rem;
  margin-bottom: 8px;
  color: rgba(255,255,255,0.7);
}

.site-footer .footer-col a:hover { color: var(--white); }

.footer-bottom {
  padding-top: var(--space-3);
  font-size: 12px;
  color: rgba(255,255,255,0.45);
  text-align: center;
}

/* ---------- Loading / empty states ---------- */

.state-msg {
  text-align: center;
  padding: var(--space-4);
  color: var(--ink-faint);
  font-size: 0.9rem;
  grid-column: 1 / -1;
}

/* ---------- Utility ---------- */

.text-center { text-align: center; }
.mt-4 { margin-top: var(--space-4); }