/*
Theme Name: Wander Vietnam
Theme URI: https://wandervietnam.info
Author: OpenCode
Description: SEO-first travel and culture theme for Wander Vietnam.
Version: 1.0.0
Text Domain: wander-vietnam
*/

:root {
  --bg: #f5fbf7;
  --surface: #ffffff;
  --text: #123125;
  --muted: #5f766b;
  --brand: #1e8f57;
  --brand-2: #2fbf71;
  --border: #dce9e1;
  --shadow: 0 16px 40px rgba(18, 49, 37, 0.08);
  --radius: 22px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: Arial, Helvetica, sans-serif;
  background: radial-gradient(circle at top, #eaf8ef 0, var(--bg) 42%, #f7faf8 100%);
  color: var(--text);
  line-height: 1.6;
}
a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }

.site-wrap { min-height: 100vh; }
.container { width: min(1140px, calc(100% - 32px)); margin: 0 auto; }

.site-header {
  position: sticky; top: 0; z-index: 20;
  background: rgba(245, 251, 247, 0.9);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid rgba(220, 233, 225, 0.9);
}
.header-inner {
  display: flex; align-items: center; justify-content: space-between;
  gap: 20px; padding: 14px 0;
}
.brand { display: flex; align-items: center; gap: 12px; font-weight: 800; letter-spacing: 0.2px; }
.brand-mark {
  width: 42px; height: 42px; border-radius: 14px;
  background: linear-gradient(145deg, var(--brand-2), var(--brand));
  box-shadow: var(--shadow);
}
.nav-toggle { display: none; }
.main-nav ul {
  list-style: none; display: flex; gap: 22px; margin: 0; padding: 0; align-items: center;
}
.main-nav a { color: var(--muted); font-weight: 700; }
.main-nav a:hover, .main-nav .current-menu-item > a { color: var(--brand); }

.hero { padding: 44px 0 18px; }
.hero-grid {
  display: grid; grid-template-columns: 1.2fr 0.8fr; gap: 24px;
}
.hero-card, .glass-card {
  background: linear-gradient(180deg, rgba(255,255,255,0.92), #fff);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}
.hero-card { padding: 34px; }
.eyebrow {
  display: inline-flex; gap: 8px; align-items: center;
  padding: 8px 12px; border-radius: 999px; background: #eaf8ef; color: var(--brand); font-weight: 700; font-size: 13px;
}
.hero h1 { font-size: clamp(2rem, 4vw, 4rem); line-height: 1.04; margin: 18px 0 14px; }
.hero p { color: var(--muted); font-size: 1.03rem; max-width: 62ch; }
.hero-actions { display: flex; gap: 12px; flex-wrap: wrap; margin-top: 24px; }
.button {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  padding: 14px 18px; border-radius: 999px; font-weight: 800; border: 1px solid transparent;
}
.button.primary { background: linear-gradient(135deg, var(--brand), var(--brand-2)); color: #fff; }
.button.secondary { background: #fff; color: var(--text); border-color: var(--border); }

.hero-aside { display: grid; gap: 16px; }
.stat-card { padding: 22px; }
.stat-number { font-size: 2rem; font-weight: 900; color: var(--brand); }
.stat-label { color: var(--muted); }

.section { padding: 18px 0 30px; }
.section-title { display: flex; justify-content: space-between; gap: 16px; align-items: end; margin-bottom: 18px; }
.section-title h2 { margin: 0; font-size: 1.5rem; }
.section-title p { margin: 0; color: var(--muted); max-width: 62ch; }

.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.card {
  background: var(--surface); border: 1px solid var(--border); border-radius: 20px;
  overflow: hidden; box-shadow: var(--shadow);
}
.card-body { padding: 18px; }
.card h3 { margin: 0 0 10px; font-size: 1.06rem; }
.meta { color: var(--muted); font-size: 0.9rem; }
.excerpt { color: var(--muted); margin: 0; }

.post-card .thumb { aspect-ratio: 16 / 10; background: linear-gradient(135deg, #dff4e7, #ccefdc); }
.post-card .thumb img { width: 100%; height: 100%; object-fit: cover; }

.archive-header { padding: 38px 0 14px; }
.content-wrap { padding: 0 0 42px; }
.content-grid { display: grid; grid-template-columns: minmax(0, 1fr) 320px; gap: 24px; }
.article, .sidebar-box { background: #fff; border: 1px solid var(--border); border-radius: 22px; box-shadow: var(--shadow); }
.article { padding: 28px; }
.sidebar-box { padding: 20px; }
.article h1, .article h2, .article h3 { line-height: 1.25; }
.article img { border-radius: 18px; margin: 18px 0; }

.site-footer { padding: 26px 0 36px; color: var(--muted); }
.footer-inner {
  display: flex; flex-wrap: wrap; justify-content: space-between; gap: 14px;
  border-top: 1px solid var(--border); padding-top: 20px;
}

@media (max-width: 1024px) {
  .hero-grid, .content-grid, .grid-4, .grid-3 { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 768px) {
  .header-inner, .section-title, .footer-inner { flex-direction: column; align-items: start; }
  .main-nav ul { flex-wrap: wrap; gap: 14px; }
  .hero-grid, .content-grid, .grid-4, .grid-3 { grid-template-columns: 1fr; }
  .hero-card { padding: 24px; }
}