/* ============================================================
   LAYOUT — Navigation, Footer, Page wrapper
   ============================================================ */

/* ── PAGE WRAPPER ───────────────────────────────────────── */
.page-wrapper {
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}
.page-main { flex: 1; }

/* ── NAVIGATION ─────────────────────────────────────────── */
.nav {
  position: sticky;
  top: 0;
  z-index: var(--z-sticky);
  height: var(--nav-height);
  background: rgba(9,9,11,0.85);
  backdrop-filter: blur(20px) saturate(180%);
  -webkit-backdrop-filter: blur(20px) saturate(180%);
  border-bottom: 1px solid var(--border);
  transition: border-color var(--transition);
}
.nav.scrolled {
  border-bottom-color: var(--border-light);
  background: rgba(9,9,11,0.95);
}
.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
  gap: var(--space-4);
}

/* Logo */
.nav-logo {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--text-base);
  font-weight: var(--weight-bold);
  color: var(--text-primary);
  letter-spacing: -0.02em;
  text-decoration: none;
  flex-shrink: 0;
  transition: opacity var(--transition-fast);
}
.nav-logo:hover { opacity: 0.8; }
.nav-logo-icon {
  width: 28px;
  height: 28px;
  background: linear-gradient(135deg, var(--accent) 0%, #06b6d4 100%);
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
  line-height: 1;
  color: #052e16;
  font-weight: var(--weight-extrabold);
  flex-shrink: 0;
}
.nav-logo-text { color: var(--text-primary); }
.nav-logo-domain { color: var(--accent); }

/* Nav links */
.nav-links {
  display: flex;
  align-items: center;
  gap: var(--space-1);
  flex: 1;
  margin: 0 var(--space-4);
}
.nav-link {
  display: flex;
  align-items: center;
  gap: var(--space-1);
  padding: var(--space-2) var(--space-3);
  font-size: var(--text-sm);
  font-weight: var(--weight-medium);
  color: var(--text-secondary);
  border-radius: var(--radius);
  text-decoration: none;
  transition: color var(--transition-fast), background var(--transition-fast);
  white-space: nowrap;
}
.nav-link:hover { color: var(--text-primary); background: var(--bg-overlay); }
.nav-link.active { color: var(--text-primary); }

/* Dropdown nav item */
.nav-dropdown { position: relative; }
.nav-dropdown-trigger {
  display: flex;
  align-items: center;
  gap: 4px;
  padding: var(--space-2) var(--space-3);
  font-size: var(--text-sm);
  font-weight: var(--weight-medium);
  color: var(--text-secondary);
  border-radius: var(--radius);
  cursor: pointer;
  transition: color var(--transition-fast), background var(--transition-fast);
  user-select: none;
  white-space: nowrap;
}
.nav-dropdown-trigger:hover, .nav-dropdown.open .nav-dropdown-trigger {
  color: var(--text-primary);
  background: var(--bg-overlay);
}
.nav-dropdown-chevron {
  width: 12px; height: 12px;
  color: var(--text-muted);
  transition: transform var(--transition-fast);
}
.nav-dropdown.open .nav-dropdown-chevron { transform: rotate(180deg); }

.nav-dropdown-menu {
  position: absolute;
  top: calc(100% + var(--space-2));
  left: 0;
  min-width: 220px;
  background: var(--bg-elevated);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-xl);
  padding: var(--space-2);
  box-shadow: var(--shadow-lg);
  opacity: 0;
  visibility: hidden;
  transform: translateY(-8px);
  transition: opacity var(--transition), visibility var(--transition), transform var(--transition);
  z-index: var(--z-dropdown);
}
.nav-dropdown.open .nav-dropdown-menu {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}
.nav-dropdown-item {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-2) var(--space-3);
  border-radius: var(--radius);
  font-size: var(--text-sm);
  color: var(--text-secondary);
  text-decoration: none;
  transition: color var(--transition-fast), background var(--transition-fast);
}
.nav-dropdown-item:hover { color: var(--text-primary); background: var(--bg-overlay); }
.nav-dropdown-item-icon {
  width: 28px; height: 28px;
  background: var(--bg-overlay);
  border-radius: var(--radius-sm);
  display: flex; align-items: center; justify-content: center;
  font-size: 13px;
  flex-shrink: 0;
  transition: background var(--transition-fast);
}
.nav-dropdown-item:hover .nav-dropdown-item-icon { background: var(--bg-base); }
.nav-dropdown-item-text h4 {
  font-size: var(--text-sm);
  font-weight: var(--weight-medium);
  color: var(--text-primary);
  margin-bottom: 1px;
}
.nav-dropdown-item-text p {
  font-size: var(--text-xs);
  color: var(--text-muted);
  line-height: 1.4;
}
.nav-dropdown-separator {
  height: 1px;
  background: var(--border);
  margin: var(--space-1) 0;
}

/* Nav actions (right side) */
.nav-actions {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  flex-shrink: 0;
}
.nav-lang-btn {
  padding: var(--space-1) var(--space-2);
  font-size: var(--text-xs);
  font-weight: var(--weight-semibold);
  color: var(--text-muted);
  border-radius: var(--radius-sm);
  background: var(--bg-overlay);
  border: 1px solid var(--border);
  letter-spacing: var(--tracking-wide);
  text-transform: uppercase;
  transition: all var(--transition-fast);
  text-decoration: none;
}
.nav-lang-btn:hover { color: var(--text-primary); border-color: var(--border-light); }

/* Mobile burger */
.nav-burger {
  display: none;
  width: 40px; height: 40px;
  align-items: center; justify-content: center;
  background: var(--bg-overlay);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  cursor: pointer;
  gap: 0;
  flex-direction: column;
  padding: 10px;
  transition: border-color var(--transition-fast);
}
.nav-burger:hover { border-color: var(--border-light); }
.nav-burger span {
  display: block;
  width: 18px; height: 1.5px;
  background: var(--text-secondary);
  border-radius: 2px;
  transition: all var(--transition);
}
.nav-burger span + span { margin-top: 4px; }

/* Mobile nav */
.nav-mobile {
  display: none;
  position: fixed;
  top: var(--nav-height);
  left: 0; right: 0; bottom: 0;
  background: var(--bg-base);
  border-top: 1px solid var(--border);
  z-index: calc(var(--z-sticky) - 1);
  overflow-y: auto;
  padding: var(--space-4);
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition);
}
.nav-mobile.open { opacity: 1; pointer-events: auto; }
.nav-mobile-section {
  margin-bottom: var(--space-4);
}
.nav-mobile-heading {
  font-size: var(--text-xs);
  font-weight: var(--weight-semibold);
  color: var(--text-muted);
  letter-spacing: var(--tracking-wider);
  text-transform: uppercase;
  padding: var(--space-2) var(--space-3);
  margin-bottom: var(--space-1);
}
.nav-mobile-link {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-3);
  border-radius: var(--radius-lg);
  font-size: var(--text-sm);
  font-weight: var(--weight-medium);
  color: var(--text-secondary);
  text-decoration: none;
  transition: color var(--transition-fast), background var(--transition-fast);
}
.nav-mobile-link:hover { color: var(--text-primary); background: var(--bg-surface); }
.nav-mobile-actions {
  padding: var(--space-4) 0 var(--space-6);
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  border-top: 1px solid var(--border);
  margin-top: var(--space-2);
}

/* ── FOOTER ─────────────────────────────────────────────── */
.footer {
  background: var(--bg-raised);
  border-top: 1px solid var(--border);
  padding: var(--space-16) 0 var(--space-8);
}
.footer-grid {
  display: grid;
  grid-template-columns: 240px repeat(4, 1fr);
  gap: var(--space-8);
  margin-bottom: var(--space-12);
}
.footer-brand { display: flex; flex-direction: column; gap: var(--space-4); }
.footer-tagline {
  font-size: var(--text-sm);
  color: var(--text-muted);
  line-height: var(--leading-relaxed);
  max-width: 200px;
}
.footer-social {
  display: flex;
  gap: var(--space-2);
}
.footer-social-link {
  width: 32px; height: 32px;
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  display: flex; align-items: center; justify-content: center;
  font-size: 13px;
  color: var(--text-muted);
  text-decoration: none;
  transition: all var(--transition-fast);
}
.footer-social-link:hover {
  color: var(--text-primary);
  border-color: var(--border-light);
  background: var(--bg-overlay);
}
.footer-col-heading {
  font-size: var(--text-xs);
  font-weight: var(--weight-semibold);
  color: var(--text-primary);
  text-transform: uppercase;
  letter-spacing: var(--tracking-wider);
  margin-bottom: var(--space-4);
}
.footer-links {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}
.footer-link {
  font-size: var(--text-sm);
  color: var(--text-muted);
  text-decoration: none;
  transition: color var(--transition-fast);
  line-height: 1.5;
}
.footer-link:hover { color: var(--text-secondary); }
.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: var(--space-8);
  border-top: 1px solid var(--border);
  flex-wrap: wrap;
  gap: var(--space-3);
}
.footer-copyright {
  font-size: var(--text-sm);
  color: var(--text-muted);
}
.footer-meta {
  display: flex;
  align-items: center;
  gap: var(--space-4);
}
.footer-meta-item {
  font-size: var(--text-xs);
  color: var(--text-disabled);
  display: flex;
  align-items: center;
  gap: var(--space-1);
}
.footer-meta-dot { width: 4px; height: 4px; background: var(--bg-overlay); border-radius: 50%; }

/* ── RESPONSIVE NAV ─────────────────────────────────────── */
@media (max-width: 1024px) {
  .nav-links .nav-dropdown:last-child,
  .nav-links .nav-dropdown:nth-last-child(2) { display: none; }
}
@media (max-width: 768px) {
  .nav-links { display: none; }
  .nav-burger { display: flex; }
  .nav-mobile { display: block; }
  .nav-actions .nav-lang-btn { display: none; }
  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: var(--space-8) var(--space-6);
  }
  .footer-brand { grid-column: 1 / -1; }
}
@media (max-width: 480px) {
  .footer-grid { grid-template-columns: 1fr; }
  .footer-bottom { flex-direction: column; align-items: flex-start; }
}

/* ── RESPONSIVE MOBILE NAV BURGER ANIMATION ─────────────── */
.nav-burger.open span:nth-child(1) { transform: translateY(5.5px) rotate(45deg); }
.nav-burger.open span:nth-child(2) { opacity: 0; transform: scaleX(0); }
.nav-burger.open span:nth-child(3) { transform: translateY(-5.5px) rotate(-45deg); }

/* ── BETA BADGE in logo ─────────────────────────────────── */
.nav-beta-badge {
  margin-left: var(--space-2);
  font-size: 10px;
  padding: 1px 6px;
  letter-spacing: 0.5px;
}