/* ═══════════════════════════════════════════════════════════
   NAVIGATION
   ═══════════════════════════════════════════════════════════ */

.site-nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  height: var(--nav-height);
  display: flex;
  align-items: center;
  padding: 0 var(--container-pad);
  background: linear-gradient(to bottom, rgba(12,19,24,0.92) 0%, rgba(12,19,24,0.6) 60%, transparent 100%);
}
.site-nav::before {
  content: '';
  position: absolute;
  inset: 0;
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  mask-image: linear-gradient(to bottom, black 40%, transparent 100%);
  -webkit-mask-image: linear-gradient(to bottom, black 40%, transparent 100%);
  z-index: -1;
}

.nav-inner {
  display: flex;
  align-items: center;
  width: 100%;
  max-width: var(--container);
  margin: 0 auto;
}

/* ── Logo ──────────────────────────────────────────────── */
.nav-logo {
  display: flex;
  align-items: center;
  flex-shrink: 0;
}
.nav-logo img {
  height: 40px;
  width: auto;
}

/* ── Nav Links (center) ────────────────────────────────── */
.nav-links {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
}

.nav-dropdown { position: relative; }

.nav-dropdown-trigger {
  font-family: var(--font-display);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--muted);
  padding: 8px 16px;
  border-radius: var(--radius);
  transition: color 0.2s, background 0.2s;
  display: inline-flex;
  align-items: center;
  gap: 6px;
}
.nav-dropdown-trigger::after {
  content: '▾';
  font-size: 9px;
  opacity: 0.5;
}
.nav-dropdown-trigger:hover,
.nav-dropdown-trigger.active {
  color: var(--white);
}
.nav-dropdown-trigger.active {
  color: var(--accent-hot);
}

.nav-dropdown-menu {
  position: absolute;
  top: 100%;
  left: 50%;
  transform: translateX(-50%);
  padding-top: 8px;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.2s, visibility 0.2s;
}
.nav-dropdown:hover .nav-dropdown-menu {
  opacity: 1;
  visibility: visible;
}

.nav-dropdown-menu-inner {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 8px;
  display: flex;
  flex-direction: column;
  min-width: 160px;
  box-shadow: 0 12px 40px rgba(0,0,0,0.5);
}
.nav-dropdown-menu-inner a {
  font-size: 13px;
  font-weight: 500;
  color: var(--muted);
  padding: 8px 14px;
  border-radius: 2px;
  transition: color 0.2s, background 0.2s;
  white-space: nowrap;
}
.nav-dropdown-menu-inner a:hover {
  color: var(--white);
  background: rgba(255,255,255,0.04);
}

/* ── Right Cluster ─────────────────────────────────────── */
.nav-right {
  display: flex;
  align-items: center;
  gap: 20px;
  flex-shrink: 0;
}
.nav-phone {
  font-family: var(--font-body);
  font-size: 13px;
  font-weight: 500;
  color: var(--muted);
  letter-spacing: 0.02em;
  transition: color 0.2s;
}
.nav-phone:hover { color: var(--white); }

.nav-cta { display: inline-flex; }

/* ── Hamburger ─────────────────────────────────────────── */
.hamburger {
  display: none;
  width: 44px;
  height: 44px;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  z-index: 102;
}
.hamburger span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--white);
  transition: all 0.3s ease;
  border-radius: 1px;
}

/* ── Mobile Overlay ────────────────────────────────────── */
.nav-overlay {
  position: fixed;
  inset: 0;
  z-index: 101;
  background: var(--bg);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 20px;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.35s, visibility 0.35s;
  padding-bottom: 80px;
}
.nav-overlay.open {
  opacity: 1;
  visibility: visible;
}
.nav-overlay-close {
  position: absolute;
  top: 20px;
  right: 20px;
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 24px;
  color: var(--muted);
  cursor: pointer;
}

.nav-overlay-group {
  text-align: center;
}
.nav-overlay-group > a {
  font-family: var(--font-display);
  font-size: 24px;
  font-weight: 700;
  color: var(--white);
  display: block;
  padding: 8px 0;
}
.nav-overlay-group > a.active {
  color: var(--accent-hot);
}

.nav-overlay-sub {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-top: 14px;
}
.nav-overlay-sub a {
  font-size: 15px;
  font-weight: 500;
  color: var(--muted);
  transition: color 0.2s;
}
.nav-overlay-sub a:hover { color: var(--white); }

/* ── Responsive ────────────────────────────────────────── */
@media (max-width: 960px) {
  .nav-links, .nav-right { display: none; }
  .hamburger { display: flex; }
  .nav-inner { justify-content: space-between; }
}