/* Shared site navigation + footer (non-payment/non-download pages)
   Namespaced to avoid colliding with page-specific CSS.
*/

:root {
  --zn-chrome-bg: rgba(5, 5, 5, 0.86);
  --zn-chrome-border: var(--glass-border, rgba(255, 255, 255, 0.12));
  --zn-gold: var(--gold-accent, var(--gold-main, var(--z-gold, #D4AF37)));
  --zn-text: var(--text-main, var(--text-white, #e0e0e0));
  --zn-text-dim: var(--text-dim, var(--text-muted, #888));
  --zn-nav-h: 72px;
}

.zn-navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 9998;
  height: var(--zn-nav-h);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 0 20px;
  background: var(--zn-chrome-bg);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--zn-chrome-border);
}

.zn-nav-spacer {
  height: var(--zn-nav-h);
}

.zn-brand {
  display: flex;
  align-items: center;
  gap: 12px;
  min-width: 0;
  text-decoration: none;
  color: var(--zn-text);
}

.zn-brand:visited {
  color: var(--zn-text);
}

.zn-brand img {
  height: 38px;
  width: auto;
}

.zn-brand-name {
  font-family: 'Cinzel', serif;
  font-weight: 800;
  letter-spacing: 3px;
  font-size: 1.05rem;
  color: var(--zn-text);
  white-space: nowrap;
}

.zn-brand-name .zn-gold {
  color: var(--zn-gold);
}

.zn-nav-links {
  display: flex;
  align-items: center;
  gap: 14px;
  justify-content: center;
  flex: 1;
  min-width: 0;
  white-space: nowrap;
}

.zn-nav-links a {
  font-family: 'Roboto Mono', monospace;
  font-size: 0.78rem;
  letter-spacing: 1.4px;
  text-transform: uppercase;
  text-decoration: none;
  color: var(--zn-text-dim);
  padding: 10px 10px;
  border-radius: 6px;
  border: 1px solid transparent;
  transition: color 160ms ease, background-color 160ms ease, border-color 160ms ease;
}

.zn-nav-links a:hover {
  color: var(--zn-gold);
  border-color: rgba(212, 175, 55, 0.25);
  background: rgba(212, 175, 55, 0.05);
}

.zn-nav-links a[aria-current="page"] {
  color: var(--zn-gold);
  border-color: rgba(212, 175, 55, 0.35);
  background: rgba(212, 175, 55, 0.07);
}

.zn-nav-actions {
  display: flex;
  align-items: center;
  gap: 10px;
  white-space: nowrap;
}

.zn-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 10px 14px;
  border-radius: 8px;
  font-family: 'Roboto Mono', monospace;
  font-size: 0.78rem;
  letter-spacing: 1.2px;
  text-transform: uppercase;
  text-decoration: none;
  border: 1px solid rgba(255, 255, 255, 0.12);
  background: rgba(255, 255, 255, 0.04);
  color: var(--zn-text);
  transition: transform 140ms ease, border-color 160ms ease, background-color 160ms ease;
}

.zn-btn:hover {
  border-color: rgba(212, 175, 55, 0.35);
  background: rgba(212, 175, 55, 0.06);
}

.zn-btn-primary {
  border-color: rgba(212, 175, 55, 0.35);
}

.zn-hamburger {
  display: none;
  width: 44px;
  height: 44px;
  border-radius: 10px;
  border: 1px solid rgba(255, 255, 255, 0.12);
  background: rgba(255, 255, 255, 0.04);
  color: var(--zn-text);
}

.zn-hamburger:focus {
  outline: none;
  border-color: rgba(212, 175, 55, 0.45);
}

.zn-drawer {
  position: fixed;
  top: var(--zn-nav-h);
  left: 0;
  right: 0;
  z-index: 9997;
  background: rgba(5, 5, 5, 0.94);
  border-bottom: 1px solid var(--zn-chrome-border);
  transform: translateY(-12px);
  opacity: 0;
  pointer-events: none;
  transition: transform 180ms ease, opacity 180ms ease;
}

body.zn-nav-open .zn-drawer {
  transform: translateY(0);
  opacity: 1;
  pointer-events: auto;
}

.zn-drawer-inner {
  padding: 14px 18px 18px;
  display: grid;
  gap: 10px;
}

.zn-drawer a {
  text-decoration: none;
  color: var(--zn-text);
  font-family: 'Roboto Mono', monospace;
  letter-spacing: 1.2px;
  text-transform: uppercase;
  font-size: 0.82rem;
  padding: 12px 12px;
  border-radius: 10px;
  border: 1px solid rgba(255, 255, 255, 0.10);
  background: rgba(255, 255, 255, 0.03);
}

.zn-drawer a:hover {
  border-color: rgba(212, 175, 55, 0.35);
  background: rgba(212, 175, 55, 0.06);
}

.zn-footer {
  margin-top: 60px;
  border-top: 1px solid var(--zn-chrome-border);
  background: rgba(5, 5, 5, 0.65);
  backdrop-filter: blur(8px);
}

.zn-footer-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 26px 20px;
  display: flex;
  justify-content: space-between;
  gap: 18px;
  flex-wrap: wrap;
  color: var(--zn-text-dim);
  font-family: 'Roboto Mono', monospace;
  font-size: 0.75rem;
}

.zn-footer strong {
  color: var(--zn-text);
  font-family: 'Cinzel', serif;
  letter-spacing: 2px;
}

.zn-footer a {
  color: var(--zn-text-dim);
  text-decoration: none;
}

.zn-footer a:hover {
  color: var(--zn-gold);
}

@media (max-width: 980px) {
  :root {
    --zn-nav-h: 60px;
  }

  /* Mobile should mirror the index navbar: swipeable links, no MENU drawer. */
  .zn-hamburger { display: none !important; }
  .zn-drawer { display: none !important; }

  .zn-nav-links {
    display: flex;
    justify-content: flex-start;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    touch-action: pan-x;
    overscroll-behavior-x: contain;
    scrollbar-width: none;

    mask-image: linear-gradient(to right, transparent 0%, black 14px, black 92%, transparent 100%);
    -webkit-mask-image: linear-gradient(to right, transparent 0%, black 14px, black 92%, transparent 100%);
  }
  .zn-nav-links::-webkit-scrollbar { display: none; }

  .zn-nav-links a {
    flex: 0 0 auto;
    padding: 9px 10px;
  }

  /* Keep actions available but compact on small screens. */
  .zn-nav-actions {
    display: flex;
    gap: 8px;
  }
  .zn-nav-actions .zn-btn-primary {
    display: none;
  }

  .zn-brand img {
    height: 34px;
  }

  .zn-brand-name {
    font-size: 0.98rem;
    letter-spacing: 2.4px;
  }
}