/* ============================================================
   18 GANGSTER MUSEUM — nav.css
   ============================================================ */

#site-nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 900;
  height: var(--nav-height);
  display: flex;
  align-items: center;
  padding: 0 6vw;
  transition: background 0.3s, box-shadow 0.3s;
}

#site-nav.scrolled {
  background: rgba(17, 17, 17, 0.97);
  box-shadow: 0 2px 20px rgba(0,0,0,0.5);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
}

#site-nav.hero-top {
  background: linear-gradient(to bottom, rgba(0,0,0,0.7), transparent);
}

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

/* Logo */
.nav-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}

.nav-logo img {
  height: 44px;
  width: auto;
  display: block;
}

.nav-logo-text {
  font-family: var(--font-heading);
  font-size: 1.4rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  color: var(--white);
  line-height: 1;
}
.nav-logo-text span { color: var(--red); }

.nav-logo-image {
  height: 44px;
  width: auto;
}

/* Desktop menu */
.nav-menu {
  display: flex;
  align-items: center;
  gap: 0;
}

.nav-item {
  position: relative;
}

.nav-link {
  display: block;
  padding: 0 1rem;
  height: var(--nav-height);
  line-height: var(--nav-height);
  font-family: var(--font-heading);
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--light-grey);
  transition: color 0.2s;
  white-space: nowrap;
}

.nav-link:hover,
.nav-link.active { color: var(--red); }

.nav-link .arrow {
  font-size: 0.6rem;
  margin-left: 4px;
  transition: transform 0.2s;
}

/* Dropdown */
.nav-item:hover .nav-dropdown { opacity: 1; pointer-events: all; transform: translateY(0); }
.nav-item:hover .arrow { transform: rotate(180deg); }

.nav-dropdown {
  position: absolute;
  top: calc(var(--nav-height) - 4px);
  left: 0;
  min-width: 240px;
  background: var(--charcoal);
  border-top: 2px solid var(--red);
  box-shadow: 0 8px 30px rgba(0,0,0,0.5);
  opacity: 0;
  pointer-events: none;
  transform: translateY(6px);
  transition: opacity 0.2s, transform 0.2s;
}

.nav-dropdown a {
  display: block;
  padding: 11px 16px;
  font-family: var(--font-body);
  font-size: 0.82rem;
  font-weight: 400;
  color: var(--light-grey);
  border-bottom: 1px solid var(--border);
  transition: background 0.15s, color 0.15s;
}
.nav-dropdown a:last-child { border-bottom: none; }
.nav-dropdown a:hover {
  background: var(--dark-grey);
  color: var(--white);
  padding-left: 22px;
}

/* Book CTA */
.nav-cta {
  margin-left: 1.5rem;
  padding: 10px 20px;
  font-size: 0.78rem;
}

/* Hamburger */
.nav-hamburger {
  display: none;
  flex-direction: column;
  justify-content: space-between;
  width: 26px; height: 18px;
  background: none; border: none;
  cursor: pointer; padding: 0;
}
.nav-hamburger span {
  display: block;
  height: 2px;
  background: var(--white);
  border-radius: 2px;
  transition: all 0.25s;
}
.nav-hamburger.open span:nth-child(1) { transform: translateY(8px) rotate(45deg); }
.nav-hamburger.open span:nth-child(2) { opacity: 0; }
.nav-hamburger.open span:nth-child(3) { transform: translateY(-8px) rotate(-45deg); }

/* Mobile overlay */
#nav-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.5);
  z-index: 849;
  opacity: 0;
  transition: opacity 0.3s ease;
}
#nav-overlay.visible {
  display: block;
  opacity: 1;
}

/* Mobile drawer */
.nav-drawer {
  display: none;
  position: fixed;
  top: var(--nav-height); left: 0; right: 0; bottom: 0;
  background: var(--black);
  overflow-y: auto;
  z-index: 851;
  padding: 1.5rem 6vw 3rem;
  transform: translateX(100%);
  transition: transform 0.3s var(--ease);
  box-shadow: -4px 0 20px rgba(0,0,0,0.3);
}
.nav-drawer.open { transform: translateX(0); }

.drawer-link {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem 0;
  font-family: var(--font-heading);
  font-size: 1.1rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--white);
  border-bottom: 1px solid var(--border);
}
.drawer-link:hover { color: var(--red); }

.drawer-sub {
  background: var(--charcoal);
  border-bottom: 1px solid var(--border);
  overflow: hidden;
  max-height: 0;
  transition: max-height 0.3s var(--ease);
}
.drawer-sub.open { max-height: 400px; }
.drawer-sub a {
  display: block;
  padding: 10px 16px;
  font-size: 0.88rem;
  color: var(--light-grey);
  border-bottom: 1px solid var(--dark-grey);
}
.drawer-sub a:last-child { border-bottom: none; }

.drawer-cta {
  margin-top: 1.5rem;
  width: 100%;
  justify-content: center;
  font-size: 0.9rem;
}

/* ── RESPONSIVE ── */
@media (max-width: 1024px) {
  .nav-link { padding: 0 0.65rem; font-size: 0.72rem; }
}

@media (max-width: 860px) {
  .nav-menu { display: none !important; }
  .nav-cta { display: none !important; }
  .nav-hamburger { display: flex !important; }
  .nav-drawer { display: block; }
  
  /* Ensure nav is visible on mobile */
  #site-nav {
    background: rgba(17, 17, 17, 0.95) !important;
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
  }
  #site-nav.hero-top {
    background: rgba(17, 17, 17, 0.95) !important;
  }
}

@media (max-width: 600px) {
  .nav-hamburger {
    display: flex !important;
    width: 26px !important;
    height: 18px !important;
    z-index: 1001 !important;
  }
}