:root {
  --bg: #faf9f6;
  --ink: #1c1c1e;
  --muted: #6b6b70;
  --accent: #0a7d5c;
  --accent-2: #0a5d7d;
  --card: #ffffff;
  --border: #e6e3dc;
}
* { margin: 0; padding: 0; box-sizing: border-box; }
body {
  font-family: "Noto Sans Khmer", "Khmer OS Battambang", -apple-system, "Segoe UI", Roboto, sans-serif;
  background: var(--bg);
  color: var(--ink);
  line-height: 1.7;
}
.container { max-width: 960px; margin: 0 auto; padding: 0 20px; }
header { background: var(--card); border-bottom: 1px solid var(--border); position: sticky; top: 0; z-index: 10; }
.nav { display: flex; align-items: center; justify-content: space-between; padding: 14px 20px; flex-wrap: wrap; gap: 10px; }
.logo { font-size: 1.3rem; font-weight: 700; text-decoration: none; color: var(--ink); }
.logo span { color: var(--accent); }
nav a { margin-left: 18px; text-decoration: none; color: var(--muted); font-size: 0.95rem; }
nav a:hover { color: var(--accent); }
.hero { padding: 64px 0 48px; text-align: center; background: linear-gradient(180deg, #f0f7f3 0%, var(--bg) 100%); }
.hero h1 { font-size: 1.9rem; line-height: 1.5; max-width: 720px; margin: 0 auto 14px; }
.hero .sub { color: var(--muted); max-width: 640px; margin: 0 auto 24px; }
.btn {
  display: inline-block; background: var(--accent); color: #fff; padding: 12px 28px;
  border-radius: 8px; text-decoration: none; font-weight: 600;
}
.btn:hover { background: var(--accent-2); }
.section { padding: 48px 0; }
.alt { background: #f2f5f3; }
h2 { margin-bottom: 18px; font-size: 1.4rem; }
.lead { color: var(--muted); margin-bottom: 24px; max-width: 640px; }
.grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); gap: 16px; }
.card {
  background: var(--card); border: 1px solid var(--border); border-radius: 12px;
  padding: 20px; text-decoration: none; color: var(--ink); display: block;
  transition: transform .12s ease, box-shadow .12s ease;
}
a.card:hover { transform: translateY(-2px); box-shadow: 0 6px 18px rgba(0,0,0,.06); }
.card h3 { font-size: 1.05rem; margin: 8px 0 6px; }
.card .km { color: var(--muted); font-size: 0.92rem; }
.tag {
  display: inline-block; background: #e7f2ee; color: var(--accent);
  font-size: 0.75rem; font-weight: 700; padding: 2px 10px; border-radius: 99px;
}
.card.static:hover { transform: none; box-shadow: none; }
.contact-box { background: var(--card); border: 1px solid var(--border); border-radius: 12px; padding: 24px; max-width: 480px; }
.contact-box p { margin-bottom: 10px; }
.qr-placeholder {
  margin-top: 12px; border: 2px dashed var(--border); border-radius: 8px;
  padding: 40px; text-align: center; color: var(--muted); font-size: 0.9rem;
}
article { max-width: 720px; }
article h1 { font-size: 1.5rem; line-height: 1.5; margin: 8px 0 4px; }
article .km-title { color: var(--accent); font-weight: 600; margin-bottom: 16px; }
article h2 { font-size: 1.15rem; margin: 28px 0 10px; }
article p, article li { margin-bottom: 12px; }
article ul { padding-left: 22px; }
.meta { color: var(--muted); font-size: 0.85rem; margin-bottom: 24px; }
.draft-banner {
  background: #fff6de; border: 1px solid #efe3b0; border-radius: 8px;
  padding: 10px 14px; font-size: 0.88rem; color: #7a6414; margin-bottom: 24px;
}
.cta-box {
  background: #e7f2ee; border-radius: 12px; padding: 20px 24px; margin-top: 32px;
}
.cta-box strong { color: var(--accent); }
footer { border-top: 1px solid var(--border); padding: 28px 0; color: var(--muted); font-size: 0.9rem; text-align: center; }
@media (max-width: 600px) {
  .hero h1 { font-size: 1.5rem; }
  nav { font-size: 0.85rem; }
  nav a { margin-left: 10px; }
}