/* header-responsive.css - mobile header fixes (DeepSkyBlue background) */
@media (max-width: 992px) {
  header.site-header, .site-header {
    position: fixed !important;
    top: 0;
    left: 0;
    right: 0;
    z-index: 10000;
    background: #00bfff !important; /* DeepSkyBlue on mobile */
    box-shadow: 0 2px 8px rgba(0,0,0,0.08);
  }
  /* reserve space so content not hidden */
  body { margin-top: 64px; }

  /* admission button smaller */
  .admission-btn {
    padding: 6px 10px !important;
    font-size: 12px !important;
    border-radius: 6px !important;
  }

  /* hamburger/button visible */
  .mobile-menu-btn, .hamburger, button.mobile-menu-btn {
    display: block !important;
    font-size: 22px !important;
    color: #fff !important;
    background: transparent !important;
    border: 0 !important;
  }

  /* nav visibility and stacking */
  #navMenu, .main-nav {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    z-index: 10001;
    background: #fff;
    max-height: calc(100vh - 64px);
    overflow-y: auto;
    box-shadow: 0 6px 18px rgba(0,0,0,0.12);
    padding: 12px 0;
  }
  #navMenu.open, .main-nav.open { display: block !important; visibility: visible !important; opacity: 1 !important; }

  #navMenu ul, .main-nav ul {
    list-style: none;
    margin: 0;
    padding: 0 12px;
    display: flex;
    flex-direction: column;
    gap: 6px;
  }
  #navMenu a, .main-nav a {
    display: block;
    padding: 10px 12px;
    color: #222 !important;
    text-decoration: none;
    font-weight: 600;
    border-radius: 6px;
  }
  #navMenu a:hover, .main-nav a:hover { background: rgba(0,0,0,0.04); }
}