/* ZType site-wide styles */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --bg: #07090f;
  --bg2: #0d1220;
  --bg3: #111827;
  --cyan: #00ccff;
  --cyan-dim: #0099cc;
  --text: #e2e8f0;
  --muted: #94a3b8;
  --border: rgba(0,200,255,0.15);
  --max: 900px;
}

html { scroll-behavior: smooth; }

body {
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  font-size: 16px;
  line-height: 1.7;
  min-height: 100vh;
}

a { color: var(--cyan); text-decoration: none; }
a:hover { text-decoration: underline; color: #33ddff; }

/* Nav */
.site-nav {
  position: sticky; top: 0; z-index: 100;
  background: rgba(7,9,15,0.95);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--border);
  padding: 0 20px;
}
.site-nav-inner {
  max-width: var(--max);
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 52px;
  gap: 16px;
}
.site-nav .logo {
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--cyan);
  letter-spacing: 0.05em;
  white-space: nowrap;
}
.site-nav .logo:hover { text-decoration: none; }
.nav-links {
  display: flex;
  flex-wrap: wrap;
  gap: 4px 14px;
  list-style: none;
}
.nav-links a {
  font-size: 0.82rem;
  color: var(--muted);
  transition: color .2s;
}
.nav-links a:hover { color: var(--cyan); text-decoration: none; }

/* Hero / page header */
.page-hero {
  background: linear-gradient(180deg, #0a1628 0%, var(--bg) 100%);
  padding: 52px 20px 40px;
  text-align: center;
  border-bottom: 1px solid var(--border);
}
.page-hero h1 {
  font-size: clamp(1.6rem, 4vw, 2.4rem);
  font-weight: 800;
  color: #fff;
  line-height: 1.2;
  margin-bottom: 14px;
  text-shadow: 0 0 40px rgba(0,200,255,0.3);
}
.page-hero p {
  font-size: 1.05rem;
  color: var(--muted);
  max-width: 640px;
  margin: 0 auto;
}

/* Article content */
.content {
  max-width: var(--max);
  margin: 0 auto;
  padding: 40px 20px 60px;
}
.content h2 {
  font-size: 1.35rem;
  font-weight: 700;
  color: #fff;
  margin: 36px 0 12px;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--border);
}
.content h3 {
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--cyan);
  margin: 24px 0 8px;
}
.content p { margin-bottom: 16px; color: var(--text); }
.content ul, .content ol { margin: 0 0 16px 24px; }
.content li { margin-bottom: 6px; color: var(--text); }
.content strong { color: #fff; }

/* Cards */
.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
  gap: 16px;
  margin: 20px 0 32px;
}
.card {
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 20px;
  transition: border-color .2s, transform .2s;
}
.card:hover { border-color: var(--cyan-dim); transform: translateY(-2px); }
.card h3 { margin-top: 0; font-size: 1rem; }
.card p { font-size: 0.9rem; color: var(--muted); margin-bottom: 10px; }
.card a.cta { font-size: 0.85rem; font-weight: 600; }

/* CTA button */
.btn {
  display: inline-block;
  background: var(--cyan);
  color: #000;
  font-weight: 700;
  font-size: 0.95rem;
  padding: 10px 24px;
  border-radius: 6px;
  transition: background .2s, transform .1s;
  text-decoration: none;
}
.btn:hover { background: #33ddff; text-decoration: none; transform: translateY(-1px); }

/* Internal links section */
.related {
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 20px 24px;
  margin-top: 40px;
}
.related h2 { border: none; margin-top: 0; font-size: 1rem; color: var(--muted); text-transform: uppercase; letter-spacing: .05em; }
.related ul { margin: 10px 0 0 0; list-style: none; display: flex; flex-wrap: wrap; gap: 8px 20px; }
.related li::before { content: '→ '; color: var(--cyan); }

/* Footer */
.site-footer {
  background: var(--bg2);
  border-top: 1px solid var(--border);
  padding: 28px 20px;
  text-align: center;
  font-size: 0.82rem;
  color: var(--muted);
}
.site-footer a { color: var(--muted); }
.site-footer a:hover { color: var(--cyan); }
.footer-links { display: flex; flex-wrap: wrap; justify-content: center; gap: 6px 18px; margin-bottom: 10px; }

/* Table */
.data-table { width: 100%; border-collapse: collapse; margin: 16px 0 24px; font-size: 0.9rem; }
.data-table th { background: var(--bg2); color: var(--cyan); padding: 10px 14px; text-align: left; border-bottom: 1px solid var(--border); }
.data-table td { padding: 10px 14px; border-bottom: 1px solid rgba(255,255,255,0.05); }
.data-table tr:hover td { background: rgba(0,200,255,0.04); }

/* Badge */
.badge { display: inline-block; background: rgba(0,200,255,0.12); color: var(--cyan); font-size: 0.75rem; font-weight: 600; padding: 2px 8px; border-radius: 4px; border: 1px solid rgba(0,200,255,0.25); }

/* Responsive */
@media (max-width: 600px) {
  .nav-links { display: none; }
  .page-hero { padding: 36px 16px 28px; }
  .content { padding: 28px 16px 48px; }
}