:root {
  --bg: #f4efe6;
  --sand: #fffaf3;
  --ink: #2c241c;
  --muted: #6e6256;
  --line: #e3d5c4;
  --clay: #b24a28;
  --clay-dark: #8a351c;
  --moss: #2f6a52;
  --max: 1080px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: "Noto Sans Khmer", "Leelawadee UI", "Khmer UI", "Segoe UI", sans-serif;
  font-size: 18px;
  line-height: 1.85;
}
a { color: var(--moss); }
figure a { display: block; text-decoration: none; }
img { max-width: 100%; height: auto; }
.skip {
  position: absolute;
  left: 1rem;
  top: -4rem;
  background: var(--sand);
  color: var(--ink);
  padding: 0.45rem 0.75rem;
  z-index: 6;
}
.skip:focus { top: 0.6rem; }

.site-header { background: var(--clay); color: var(--sand); }
.site-header a { color: var(--sand); text-decoration: none; }
.bar, .nav-inner, .wrap, .site-footer .inner {
  width: min(var(--max), calc(100% - 2.4rem));
  margin: 0 auto;
}
.bar {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-end;
  justify-content: space-between;
  gap: 0.6rem 1.4rem;
  padding: 1rem 0 0.85rem;
}
.logo { display: flex; flex-direction: column; line-height: 1.15; }
.logo strong { font-size: 1.85rem; font-weight: 700; }
.logo span { font-size: 0.86rem; margin-top: 0.2rem; }
.tag { margin: 0 0 0.15rem; font-size: 0.95rem; }
.nav {
  background: var(--clay-dark);
  position: sticky;
  top: 0;
  z-index: 4;
}
.nav-inner {
  display: flex;
  flex-wrap: wrap;
  gap: 0.25rem 1.15rem;
  padding: 0.55rem 0;
}
.nav a {
  padding: 0.1rem 0;
  border-bottom: 2px solid transparent;
  font-size: 0.95rem;
}
.nav a:hover { border-bottom-color: var(--sand); }

.wrap { padding: 1.15rem 0 3rem; }
.crumbs { color: var(--muted); font-size: 0.86rem; margin: 0 0 1rem; }
.crumbs ol { list-style: none; display: flex; flex-wrap: wrap; gap: 0.35rem; padding: 0; margin: 0; }
.crumbs a { text-decoration: none; }
.crumbs li:not(:last-child)::after { content: "/"; margin-left: 0.35rem; color: var(--line); }

.kicker {
  margin: 0 0 0.35rem;
  color: var(--clay);
  font-weight: 700;
  font-size: 0.86rem;
}
h1 {
  font-size: clamp(2rem, 4.2vw, 2.9rem);
  line-height: 1.3;
  margin: 0 0 0.75rem;
  max-width: 18ch;
}
.lead { font-size: 1.1rem; margin-top: 0; max-width: 44rem; }
.meta { color: var(--muted); font-size: 0.88rem; margin: 0 0 1rem; }

.answer {
  background: var(--sand);
  border-left: 4px solid var(--clay);
  padding: 0.85rem 1rem 0.2rem;
  margin: 0 0 1.3rem;
}
.answer p { margin-top: 0; }

figure { margin: 0.3rem 0 1.2rem; }
figure img { display: block; width: 100%; background: var(--sand); }
figcaption { color: var(--muted); font-size: 0.88rem; margin-top: 0.45rem; }

h2 {
  font-size: 1.5rem;
  line-height: 1.4;
  margin: 2.1rem 0 0.55rem;
  padding-left: 0.7rem;
  border-left: 4px solid var(--clay);
}
h3 { font-size: 1.08rem; margin: 1rem 0 0.3rem; color: var(--clay-dark); }
p { margin: 0 0 0.9rem; }

.ad {
  margin: 1.4rem 0 1.6rem;
  padding: 0.85rem 0 0.2rem;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}
.ad-label {
  margin: 0 0 0.55rem;
  color: var(--clay-dark);
  font-size: 0.82rem;
  font-weight: 700;
}
.ad a { display: block; }
.ad-frame {
  display: block;
  width: 100%;
  height: min(70vh, 36rem);
  margin-top: 0.7rem;
  border: 0;
  background: #0e0e0e;
}
.ad-caption { color: var(--ink); font-size: 0.92rem; }

.glossary {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.15rem 1.6rem;
  margin: 0.4rem 0 0.6rem;
}
.glossary div {
  border-top: 1px solid var(--line);
  padding: 0.45rem 0 0.35rem;
}
.glossary dt { font-weight: 700; }
.glossary dd { margin: 0; color: var(--muted); }

.table-wrap { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; font-size: 0.95rem; margin: 0.3rem 0 1rem; background: var(--sand); }
caption { text-align: left; font-weight: 700; margin-bottom: 0.45rem; }
th, td {
  border: 0;
  padding: 0.6rem 0.5rem;
  vertical-align: top;
  text-align: left;
}
th { color: var(--clay-dark); border-bottom: 2px solid var(--clay); }
td { border-bottom: 1px solid var(--line); }

.split {
  display: grid;
  grid-template-columns: minmax(0, 0.92fr) minmax(0, 1.08fr);
  gap: 1.3rem;
  align-items: start;
  margin: 0.6rem 0 1rem;
}
.split figure { margin: 0; }
.split.flip { grid-template-columns: minmax(0, 1.08fr) minmax(0, 0.92fr); }
.split.flip figure { order: 2; }

.faq details {
  border-bottom: 1px solid var(--line);
  padding: 0.65rem 0;
}
.faq summary { cursor: pointer; font-weight: 700; }
.faq details p { margin: 0.45rem 0 0.15rem; }

.site-footer {
  background: var(--clay-dark);
  color: var(--sand);
  padding: 1.25rem 0 1.7rem;
  font-size: 0.92rem;
}
.site-footer a { color: var(--sand); }
.site-footer .inner { display: grid; gap: 0.4rem; }
.site-footer p { margin: 0; }

@media (max-width: 800px) {
  body { font-size: 16px; }
  h1 { max-width: none; }
  .glossary, .split, .split.flip { grid-template-columns: 1fr; }
  .split.flip figure { order: 0; }
}
.poster img { width: min(100%, 24rem); height: auto; }