:root {
  --bg: #faf7f2;
  --ink: #1c1c1c;
  --muted: #6b6b6b;
  --accent: #d9622b;
  --accent-2: #1f7a6c;
  --card-bg: #ffffff;
  --border: #e8e2d8;
  --radius: 16px;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Helvetica, Arial, sans-serif;
  background: var(--bg);
  color: var(--ink);
  line-height: 1.5;
}

a {
  color: inherit;
}

.wrap {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 24px;
}

/* Nav */
header.nav {
  position: sticky;
  top: 0;
  background: rgba(250, 247, 242, 0.9);
  backdrop-filter: blur(6px);
  border-bottom: 1px solid var(--border);
  z-index: 10;
}

.nav .wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 16px;
  padding-bottom: 16px;
}

.logo {
  font-weight: 800;
  font-size: 1.1rem;
  text-decoration: none;
  letter-spacing: -0.02em;
}

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

.nav-links {
  display: flex;
  gap: 24px;
  font-size: 0.95rem;
}

.nav-links a {
  text-decoration: none;
  color: var(--muted);
  transition: color 0.15s ease;
}

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

/* Hero */
.hero {
  padding: 96px 0 64px;
  text-align: center;
}

.hero h1 {
  font-size: clamp(2.2rem, 5vw, 3.4rem);
  margin: 0 0 16px;
  letter-spacing: -0.03em;
}

.hero h1 em {
  font-style: normal;
  color: var(--accent);
}

.hero p {
  color: var(--muted);
  font-size: 1.15rem;
  max-width: 560px;
  margin: 0 auto 32px;
}

.btn {
  display: inline-block;
  background: var(--ink);
  color: #fff;
  padding: 12px 28px;
  border-radius: 999px;
  text-decoration: none;
  font-weight: 600;
  font-size: 0.95rem;
  transition: transform 0.15s ease;
}

.btn:hover {
  transform: translateY(-1px);
}

/* Destinations */
.section-title {
  text-align: center;
  margin: 0 0 8px;
  font-size: 1.8rem;
  letter-spacing: -0.02em;
}

.section-sub {
  text-align: center;
  color: var(--muted);
  margin: 0 0 48px;
}

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 24px;
  padding-bottom: 96px;
}

.card {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: box-shadow 0.2s ease, transform 0.2s ease;
}

.card:hover {
  box-shadow: 0 12px 24px rgba(0, 0, 0, 0.06);
  transform: translateY(-2px);
}

.card-banner {
  height: 120px;
  display: flex;
  align-items: flex-end;
  padding: 16px 20px;
  color: #fff;
}

.card-banner h3 {
  margin: 0;
  font-size: 1.4rem;
  letter-spacing: -0.01em;
}

.card-body {
  padding: 20px;
  display: flex;
  flex-direction: column;
  gap: 14px;
  flex: 1;
}

.vibe {
  color: var(--muted);
  font-size: 0.95rem;
  margin: 0;
}

.stats {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
  margin-top: auto;
}

.stat {
  background: var(--bg);
  border-radius: 10px;
  padding: 8px 10px;
}

.stat .label {
  display: block;
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--muted);
}

.stat .value {
  font-weight: 700;
  font-size: 0.9rem;
}

/* City banner colors */
.bg-danang { background: linear-gradient(135deg, #1f7a6c, #114f45); }
.bg-hoian { background: linear-gradient(135deg, #d9622b, #a8431a); }
.bg-hcmc { background: linear-gradient(135deg, #b8452f, #7a2416); }
.bg-hanoi { background: linear-gradient(135deg, #2b4d9b, #1a2f66); }
.bg-dalat { background: linear-gradient(135deg, #5a7d3a, #35491f); }

footer {
  border-top: 1px solid var(--border);
  padding: 32px 0;
  text-align: center;
  color: var(--muted);
  font-size: 0.85rem;
}

footer p {
  margin: 4px 0;
}