/* GTEA — tema terang, mobile-first, tanpa framework. */
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  font-size: 17px;
  line-height: 1.7;
  color: #1e293b;
  background: #f8fafc;
}
a { color: #0284c7; text-decoration: none; }
a:hover { text-decoration: underline; }
.container { max-width: 720px; margin: 0 auto; padding: 0 16px; }

/* Header */
.site-header { background: #0f172a; color: #e2e8f0; }
.header-inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 4px 20px;
  padding-top: 14px;
  padding-bottom: 14px;
}
.brand {
  font-size: 24px;
  font-weight: 800;
  letter-spacing: 4px;
  color: #22d3ee;
}
.brand:hover { text-decoration: none; }
.nav { display: flex; flex-wrap: wrap; gap: 4px 18px; }
.nav a { color: #cbd5e1; font-size: 15px; }
.nav a:hover { color: #fff; }

/* Beranda */
.hero { padding: 28px 0 8px; }
.hero h1 { font-size: 30px; line-height: 1.25; margin: 0 0 8px; color: #0f172a; }
.hero p { margin: 0; color: #64748b; font-size: 16px; }
.article-list { padding: 20px 0 32px; display: grid; gap: 16px; }
.card {
  background: #fff;
  border: 1px solid #e2e8f0;
  border-radius: 12px;
  padding: 20px;
}
.card h2 { font-size: 21px; line-height: 1.35; margin: 6px 0 8px; }
.card h2 a { color: #0f172a; }
.card p { margin: 0 0 12px; color: #475569; }
.card-meta { font-size: 13px; color: #94a3b8; }
.read-more { font-weight: 600; font-size: 15px; }

/* Artikel */
.article {
  background: #fff;
  border: 1px solid #e2e8f0;
  border-radius: 12px;
  padding: 24px 20px;
  margin: 24px 0 32px;
}
.article h1 { font-size: 28px; line-height: 1.3; margin: 8px 0 12px; color: #0f172a; }
.article h2 { font-size: 22px; line-height: 1.4; margin: 28px 0 10px; color: #0f172a; }
.article h3 { font-size: 18px; margin: 22px 0 8px; color: #0f172a; }
.article p { margin: 0 0 14px; }
.article ul, .article ol { margin: 0 0 14px; padding-left: 24px; }
.article li { margin-bottom: 6px; }
.article-meta { font-size: 13px; color: #94a3b8; }
.lede { font-size: 18px; color: #475569; }
.article pre {
  background: #0f172a;
  color: #e2e8f0;
  border-radius: 8px;
  padding: 14px;
  overflow-x: auto;
  font-size: 14px;
  line-height: 1.5;
}
.article code { font-family: ui-monospace, "SF Mono", Menlo, monospace; font-size: 0.9em; }
.article p code { background: #f1f5f9; border: 1px solid #e2e8f0; border-radius: 4px; padding: 1px 5px; }
.article img { max-width: 100%; height: auto; border-radius: 8px; }
.related { border-top: 1px solid #e2e8f0; margin-top: 28px; padding-top: 16px; }
.related h2 { font-size: 18px; margin: 0 0 10px; }
.related ul { margin: 0; }
.ad { margin: 24px 0; text-align: center; }

/* Footer */
.site-footer { border-top: 1px solid #e2e8f0; padding: 24px 0 32px; color: #94a3b8; font-size: 14px; }
.site-footer a { color: #64748b; }

/* Tablet */
@media (min-width: 640px) {
  body { font-size: 18px; }
  .hero h1 { font-size: 36px; }
  .article h1 { font-size: 32px; }
  .article { padding: 32px 28px; }
  .article-list { grid-template-columns: 1fr 1fr; }
  .article-list .card:first-child { grid-column: 1 / -1; }
}

/* PC */
@media (min-width: 1024px) {
  .container { max-width: 960px; }
  .article { max-width: 760px; margin-left: auto; margin-right: auto; }
  .hero { padding: 36px 0 12px; }
}