:root {
  --bg: #0b0f14;
  --text: #e6e8ea;
  --muted: #9aa3ab;
  --primary: #ffcc33;
  --primary-text: #1a1a1a;
  --accent: #5ec3ff;
  --border: #1e242b;
}

html, body {
  margin: 0; padding: 0; background: var(--bg); color: var(--text);
  font-family: system-ui, -apple-system, Segoe UI, Roboto, Ubuntu, Cantarell, "Fira Sans", "Droid Sans", "Helvetica Neue", Arial, sans-serif;
}

img { max-width: 100%; height: auto; border-radius: 6px; }
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }

.container { max-width: 1120px; margin: 0 auto; padding: 24px; }
.center { text-align: center; }
.flex { display: flex; align-items: center; }
.between { justify-content: space-between; }
.grid-2 { display: grid; grid-template-columns: 1.1fr 0.9fr; gap: 24px; }

.site-header { border-bottom: 1px solid var(--border); backdrop-filter: blur(2px); position: sticky; top: 0; z-index: 20; background: rgba(11,15,20,0.85); }
.brand img { display: block; }
.lang-nav { position: relative; }
.menu-toggle { background: transparent; border: 1px solid var(--border); color: var(--text); padding: 6px 10px; border-radius: 6px; }
.menu { list-style: none; display: flex; flex-wrap: wrap; gap: 10px; margin: 0; padding: 0 0 0 16px; }

.content .section { padding: 48px 0; border-bottom: 1px solid var(--border); }
.content h1, .content h2, .content h3 { margin: 8px 0 12px; }
.content p { color: var(--text); line-height: 1.6; }
.sub { color: var(--muted); }

.cta-group { display: flex; gap: 12px; margin: 16px 0; }
.btn { display: inline-block; padding: 12px 18px; border-radius: 8px; font-weight: 600; border: 1px solid var(--border); }
.btn.primary { background: var(--primary); color: var(--primary-text); }
.btn.secondary { background: transparent; color: var(--text); }

.tags { display: flex; gap: 8px; list-style: none; padding: 0; margin: 12px 0; flex-wrap: wrap; }
.tags li { border: 1px dashed var(--border); color: var(--muted); padding: 4px 8px; border-radius: 999px; font-size: 14px; }

.table-wrap { overflow-x: auto; border: 1px solid var(--border); border-radius: 8px; }
table { width: 100%; border-collapse: collapse; }
th, td { border-bottom: 1px solid var(--border); text-align: left; padding: 12px 14px; }
thead th { background: #11161d; }
tbody tr:hover { background: rgba(255,255,255,0.02); }

.site-footer { padding: 32px 0; }
.site-footer nav a { margin-right: 12px; }

@media (max-width: 900px) {
  .grid-2 { grid-template-columns: 1fr; }
  .menu { display: none; position: absolute; right: 0; background: rgba(11,15,20,0.98); border: 1px solid var(--border); border-radius: 8px; padding: 10px; }
  .menu.open { display: grid; grid-template-columns: repeat(4, auto); gap: 8px; }
}