/* ══════════════════════════════════════════════════════════════
   Helmlab — Shared Site Components (nav + footer)
   Included on ALL pages for consistent layout.
   ══════════════════════════════════════════════════════════════ */

/* ── Site Nav ──────────────────────────────────────────────── */
.site-nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 1000;
  background: rgba(9,9,11,0.92); backdrop-filter: blur(12px);
  border-bottom: 1px solid #1a1a1e; height: 56px;
}
.site-nav-inner {
  max-width: 1100px; margin: 0 auto; padding: 0 24px;
  display: flex; align-items: center; justify-content: space-between;
  height: 56px;
}
.site-nav-logo { display: flex; align-items: center; text-decoration: none; }
.site-nav-logo img { height: 24px; width: auto; }

.site-nav-links {
  display: flex; gap: 8px;
}
.site-nav-links a {
  color: #71717a; text-decoration: none; font-size: 0.88em; font-weight: 500;
  padding: 6px 12px; border-radius: 6px; transition: color 0.15s, background 0.15s;
}
.site-nav-links a:hover { color: #e4e4e7; background: rgba(255,255,255,0.04); }
.site-nav-links a.active { color: #fafafa; }

/* Hamburger (hidden on desktop) */
.site-nav-burger {
  display: none; flex-direction: column; justify-content: center; gap: 4px;
  background: none; border: none; cursor: pointer; padding: 8px;
}
.site-nav-burger span {
  display: block; width: 20px; height: 2px; background: #a1a1aa;
  border-radius: 1px; transition: transform 0.2s, opacity 0.2s;
}

/* ── Site Footer ───────────────────────────────────────────── */
.site-footer {
  border-top: 1px solid #1a1a1e; padding: 24px 0; margin-top: 48px;
}
.site-footer-inner {
  max-width: 1100px; margin: 0 auto; padding: 0 24px;
  display: flex; align-items: center; justify-content: space-between;
  flex-wrap: wrap; gap: 12px;
  font-size: 0.82em; color: #52525b;
}
.site-footer-left, .site-footer-right {
  display: flex; align-items: center; gap: 8px;
}
.site-footer-sep { color: #3f3f46; }
.site-footer a {
  color: #52525b; text-decoration: none; transition: color 0.15s;
}
.site-footer a:hover { color: #a1a1aa; }

/* ── Body padding for fixed nav ────────────────────────────── */
body { padding-top: 56px; }

/* ── Mobile responsive ─────────────────────────────────────── */
@media (max-width: 768px) {
  .site-nav-inner { padding: 0 16px; }
  .site-nav-links {
    display: none; position: absolute; top: 56px; left: 0; right: 0;
    flex-direction: column; background: rgba(9,9,11,0.97);
    backdrop-filter: blur(12px); border-bottom: 1px solid #27272a;
    padding: 8px 0;
  }
  .site-nav-links.open { display: flex; }
  .site-nav-links a {
    padding: 12px 24px; border-radius: 0; font-size: 0.95em;
  }
  .site-nav-burger { display: flex; }
  .site-footer-inner { flex-direction: column; text-align: center; }
}