/* =============================================
   NAVIGATION
   ============================================= */
.scroll-progress {
  position: fixed;
  top: 0;
  left: 0;
  width: 0%;
  height: 2px;
  background: linear-gradient(90deg, var(--accent), var(--highlight));
  z-index: 10001;
  pointer-events: none;
}

.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  padding: 0 40px;
  height: 80px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: transparent;
  transition: background 0.5s, box-shadow 0.5s, height 0.3s;
}
.nav--scrolled {
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
  border-bottom: 1px solid var(--border-light);
  height: 72px;
  box-shadow: 0 1px 8px var(--shadow-neutral);
}

.nav-logo {
  display: flex;
  align-items: center;
}
.nav-logo img {
  height: 44px;
  width: auto;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 36px;
}
.nav-link {
  font-size: 13px;
  font-weight: 500;
  color: var(--text-secondary);
  letter-spacing: 0.3px;
  transition: color 0.3s;
  position: relative;
}
.nav-link:hover { color: var(--text-primary); }
.nav-link::after {
  content: '';
  position: absolute;
  bottom: -6px;
  left: 0;
  width: 0;
  height: 1px;
  background: var(--accent);
  transition: width 0.4s var(--ease-out);
}
.nav-link:hover::after { width: 100%; }
.nav-link--active { color: var(--accent); font-weight: 600; }

.nav-cta {
  font-size: 13px;
  font-weight: 600;
  color: white;
  background: var(--accent);
  padding: 11px 28px;
  border-radius: 8px;
  border: none;
  transition: transform 0.25s var(--ease-spring), box-shadow 0.3s;
}
.nav-cta:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(43, 122, 120, 0.25);
}

.nav-hamburger {
  display: none;
  flex-direction: column;
  gap: 6px;
  background: none;
  border: none;
  padding: 4px;
}
.nav-hamburger span {
  width: 24px;
  height: 2px;
  background: var(--text-primary);
  border-radius: 2px;
  transition: transform 0.3s, opacity 0.3s;
}

/* =============================================
   NAV DROPDOWN
   ============================================= */
.nav-dropdown {
  position: relative;
}
.nav-link--dropdown {
  display: flex;
  align-items: center;
  gap: 6px;
}
.nav-dropdown-arrow {
  transition: transform 0.3s var(--ease-smooth);
}
.nav-dropdown:hover .nav-dropdown-arrow {
  transform: rotate(180deg);
}
.nav-dropdown-menu {
  position: absolute;
  top: 100%;
  left: 50%;
  transform: translateX(-50%) translateY(8px);
  min-width: 240px;
  background: white;
  border: 1px solid var(--hairline-dark);
  border-radius: var(--radius-sm);
  padding: 16px 0;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.3s, visibility 0.3s, transform 0.3s;
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.15);
  z-index: 100;
}
.nav-dropdown:hover .nav-dropdown-menu {
  opacity: 1;
  visibility: visible;
  transform: translateX(-50%) translateY(0);
}
.nav-dropdown-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 12px 24px;
  font-size: 14px;
  color: var(--ink-70);
  text-decoration: none;
  transition: background 0.2s, color 0.2s;
}
.nav-dropdown-item:hover {
  background: var(--bone);
  color: var(--ink);
}
.nav-dropdown-item--active {
  color: var(--ink);
  font-weight: 600;
  background: var(--bone);
  border-left: 3px solid var(--bronze);
}
.nav-dropdown-item--active .nav-dropdown-date {
  color: var(--bronze);
}
.nav-dropdown-item--upcoming {
  color: var(--ink-30);
  cursor: default;
}
.nav-dropdown-item--upcoming:hover {
  background: transparent;
  color: var(--ink-30);
}
.nav-dropdown-city {
  font-weight: 500;
}
.nav-dropdown-date {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: var(--tracking-wide);
}
.nav-dropdown-divider {
  height: 1px;
  background: var(--hairline);
  margin: 8px 0;
}
.nav-dropdown-label {
  display: block;
  padding: 8px 20px 6px;
  font-family: var(--font-mono);
  font-size: 9px;
  font-weight: 500;
  letter-spacing: var(--tracking-wide);
  text-transform: uppercase;
  color: var(--ink-30);
}

/* =============================================
   MOBILE NAV DROPDOWN
   ============================================= */
@media (max-width: 640px) {
  .nav-dropdown-menu {
    position: static;
    transform: none;
    min-width: 100%;
    max-height: 0;
    opacity: 0;
    visibility: hidden;
    overflow: hidden;
    padding: 0;
    margin: 0;
    border: none;
    box-shadow: none;
    background: transparent;
    transition: max-height 0.3s, opacity 0.3s, padding 0.3s;
  }
  .nav-dropdown.open .nav-dropdown-menu {
    max-height: 400px;
    opacity: 1;
    visibility: visible;
    padding: 12px 0;
    margin-top: 8px;
    background: rgba(255, 255, 255, 0.05);
    border-radius: var(--radius-sm);
  }
  .nav-dropdown:hover .nav-dropdown-menu {
    /* Disable hover on mobile */
    opacity: 0;
    visibility: hidden;
    max-height: 0;
    padding: 0;
  }
  .nav-dropdown.open:hover .nav-dropdown-menu {
    /* Re-enable when open */
    max-height: 400px;
    opacity: 1;
    visibility: visible;
    padding: 12px 0;
  }
  .nav-dropdown-item {
    padding: 12px 24px;
    color: var(--ink-70);
  }
  .nav-dropdown-item--active {
    color: var(--ink);
  }
  .nav-dropdown-item--upcoming {
    color: var(--ink-50);
  }
  .nav-dropdown-label {
    color: var(--ink-30);
    padding: 12px 24px 8px;
  }
  .nav-dropdown-divider {
    background: var(--hairline);
    margin: 8px 24px;
  }
  .nav-dropdown-arrow {
    transition: transform 0.3s;
  }
  .nav-dropdown.open .nav-dropdown-arrow {
    transform: rotate(180deg);
  }
}