/* Hello Vanuatu / Hi 瓦努阿图 — bilingual travel site */
:root {
  --color-ocean: #0a4d68;
  --color-sand: #e8dcc4;
  --color-coral: #e07a5f;
  --color-leaf: #3d5a45;
  --color-white: #faf9f7;
  --color-text: #1a1a1a;
  --color-text-muted: #555;
  --font-sans: 'Segoe UI', system-ui, -apple-system, sans-serif;
  --font-display: Georgia, 'Times New Roman', serif;
  --space: 1.25rem;
  --radius: 8px;
  --shadow: 0 4px 20px rgba(0,0,0,0.08);
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font-sans);
  font-size: 1rem;
  line-height: 1.6;
  color: var(--color-text);
  background: var(--color-white);
}

.container {
  width: 100%;
  max-width: 960px;
  margin: 0 auto;
  padding: 0 var(--space);
}

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(250, 249, 247, 0.95);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid rgba(10, 77, 104, 0.1);
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space) 0;
}

.logo {
  font-weight: 700;
  font-size: 1.25rem;
  color: var(--color-ocean);
  text-decoration: none;
}

.logo:hover {
  color: var(--color-coral);
}

.nav-links {
  display: flex;
  gap: 1.5rem;
  align-items: center;
}

.nav-links a {
  color: var(--color-text);
  text-decoration: none;
  font-weight: 500;
}

.nav-links a:hover {
  color: var(--color-ocean);
}

.lang-switch {
  padding: 0.35rem 0.75rem;
  background: var(--color-ocean);
  color: var(--color-white) !important;
  border-radius: var(--radius);
}

.lang-switch:hover {
  background: var(--color-leaf);
  color: var(--color-white) !important;
}

/* Hero */
.hero {
  min-height: 60vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--color-ocean) 0%, var(--color-leaf) 100%);
  color: var(--color-white);
  text-align: center;
  padding: 3rem var(--space);
}

.hero-content h1 {
  font-family: var(--font-display);
  font-size: clamp(2rem, 5vw, 3rem);
  margin: 0 0 1rem;
  font-weight: 600;
}

.hero-tagline {
  font-size: 1.15rem;
  opacity: 0.95;
  max-width: 36ch;
  margin: 0 auto 1.5rem;
}

.btn {
  display: inline-block;
  padding: 0.75rem 1.5rem;
  border-radius: var(--radius);
  font-weight: 600;
  text-decoration: none;
  transition: transform 0.2s, box-shadow 0.2s;
}

.btn-primary {
  background: var(--color-coral);
  color: var(--color-white);
  border: none;
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(224, 122, 95, 0.4);
}

/* Sections */
.section {
  padding: 3rem 0;
}

.section-alt {
  background: rgba(10, 77, 104, 0.04);
}

.section h2 {
  font-family: var(--font-display);
  font-size: 1.75rem;
  color: var(--color-ocean);
  margin: 0 0 1.25rem;
}

.section p {
  margin: 0 0 1rem;
  color: var(--color-text-muted);
}

.section p:last-child {
  margin-bottom: 0;
}

/* Cards */
.card-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: var(--space);
}

.card {
  background: var(--color-white);
  padding: 1.5rem;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  border: 1px solid rgba(10, 77, 104, 0.08);
}

.card h3 {
  font-size: 1.1rem;
  color: var(--color-ocean);
  margin: 0 0 0.5rem;
}

.card p {
  margin: 0;
  font-size: 0.95rem;
}

/* Activity list */
.activity-list {
  margin: 0;
  padding-left: 1.25rem;
  color: var(--color-text-muted);
}

.activity-list li {
  margin-bottom: 0.5rem;
}

/* Footer */
.site-footer {
  padding: 2rem 0;
  text-align: center;
  color: var(--color-text-muted);
  font-size: 0.9rem;
  border-top: 1px solid rgba(10, 77, 104, 0.1);
}

.site-footer a {
  color: var(--color-ocean);
  text-decoration: none;
}

.site-footer a:hover {
  text-decoration: underline;
}

@media (max-width: 640px) {
  .nav-links {
    gap: 1rem;
    flex-wrap: wrap;
  }
}