/* Relay landing — shared nav shell
 * Extracted from the 5 landing pages' inline CSS to prevent drift.
 * Each page still defines --cyan, --text-primary, --text-secondary in its own :root.
 * Per-page topnav styling stays inline so protocol/ can use its pill variant.
 */

.hamburger {
  display: none;
  pointer-events: auto;
  background: rgba(10,12,16,0.6);
  backdrop-filter: blur(12px);
  border: 1px solid rgba(0,221,255,0.22);
  border-radius: 10px;
  width: 42px; height: 42px;
  align-items: center; justify-content: center;
  color: var(--cyan);
  cursor: pointer;
  padding: 0;
}
.hamburger svg { width: 20px; height: 20px; stroke: currentColor; stroke-width: 2; fill: none; }
.hamburger:hover { border-color: var(--cyan); }

.mobile-nav {
  display: none;
  position: fixed;
  top: 68px; right: 12px; left: 12px;
  z-index: 19;
  background: rgba(10,12,16,0.96);
  backdrop-filter: blur(22px) saturate(140%);
  border: 1px solid rgba(0,221,255,0.22);
  border-radius: 14px;
  padding: 10px;
  box-shadow: 0 12px 42px rgba(0,0,0,0.5), 0 0 32px rgba(0,221,255,0.08);
  opacity: 0;
  transform: translateY(-6px);
  pointer-events: none;
  transition: opacity 0.18s, transform 0.18s;
}
.mobile-nav.open {
  display: flex;
  flex-direction: column;
  opacity: 1;
  transform: translateY(0);
  pointer-events: auto;
}
.mobile-nav a {
  display: block;
  padding: 12px 14px;
  font-family: 'JetBrains Mono', monospace;
  font-size: 12px; font-weight: 600;
  color: var(--text-secondary);
  letter-spacing: 1.5px; text-transform: uppercase;
  text-decoration: none;
  border-radius: 8px;
  transition: color 0.15s, background 0.15s;
}
.mobile-nav a:hover,
.mobile-nav a.active {
  color: var(--cyan);
  background: rgba(0,221,255,0.08);
}

/* Mobile nav-shell breakpoint — single source of truth so subpages don't drift.
 * .topnav / .statuspill are no-ops on pages that don't render them. */
@media (max-width: 760px) {
  .topnav { display: none; }
  .statuspill { display: none; }
  .hamburger { display: inline-flex; }
  .topbar { padding: 14px 16px; }
}