/* 
 * Open Study Centre - Responsive Stylesheet
 * Handles mobile, tablet, and custom breakpoint adjustments
 */

@media (max-width: 991px) {
  /* Keep CTA buttons side-by-side in a single row on small screens */
  .hero-cta-buttons {
    flex-direction: row !important;
    flex-wrap: nowrap !important;
    width: 100%;
    gap: 8px !important;
  }
  
  .hero-cta-buttons a {
    flex: 1 1 50% !important;
    text-align: center;
    justify-content: center;
    display: inline-flex;
    align-items: center;
    padding: 12px 10px !important; /* Reduced padding to fit screen */
    font-size: 0.85rem !important;  /* Slightly smaller font to prevent text wrapping */
    white-space: nowrap !important;  /* Keep button text on a single line */
  }
}

@media (max-width: 576px) {
  /* Style adjustments for About section 2-column grid cards on mobile */
  .about-grid-cards .card {
    padding: 16px 12px !important; /* Reduced padding on mobile */
    min-height: 170px !important;   /* Reduce min-height for compact look */
  }
  
  .about-grid-cards h5 {
    font-size: 0.9rem !important;   /* Smaller card title */
  }
  
  .about-grid-cards p {
    font-size: 0.74rem !important;  /* Smaller description */
    line-height: 1.4 !important;
  }
  
  .about-grid-cards .card > div:first-child {
    width: 36px !important;        /* Smaller icon container */
    height: 36px !important;
    margin-bottom: 8px !important;
  }
  
  .about-grid-cards i {
    font-size: 1rem !important;    /* Smaller icon size */
  }

  /* Counter card adjustments on mobile */
  .stats-counter-section .counter-card {
    padding: 12px 8px !important;
  }
  .stats-counter-section .counter-title {
    font-size: 0.62rem !important; /* Slightly smaller text to prevent wrapping */
    letter-spacing: 0.04em !important;
  }
  .stats-counter-section .counter-icon-wrap {
    width: 44px !important;
    height: 44px !important;
    font-size: 1.3rem !important;
  }
}

@media (max-width: 991px) {
  /* Set navbar header z-index higher than backdrop */
  .navbar-custom {
    z-index: 1050 !important;
  }

  /* Style navbar toggler to sit above the side drawer and stay fixed */
  .navbar-toggler-custom {
    position: relative;
    z-index: 1060 !important; /* Higher than drawer collapse */
  }

  /* Side menu drawer sliding from the right */
  .navbar-collapse {
    position: fixed;
    top: 0;
    right: -300px; /* Offscreen right */
    width: 300px;
    height: 100vh;
    background-color: #ffffff !important;
    box-shadow: -10px 0 30px rgba(0, 0, 0, 0.15);
    z-index: 1050 !important;
    transition: all 0.35s cubic-bezier(0.4, 0, 0.2, 1) !important;
    padding: 90px 24px 30px 24px !important; /* Space at top for logo & close button */
    overflow-y: auto;
    display: block !important;
    visibility: hidden;
  }

  /* While transitioning */
  .navbar-collapse.collapsing {
    right: -300px;
    transition: all 0.35s cubic-bezier(0.4, 0, 0.2, 1) !important;
    height: 100vh !important;
    display: block !important;
  }

  /* When expanded/open */
  .navbar-collapse.show {
    right: 0 !important;
    visibility: visible !important;
  }

  /* Style menu links for vertical drawer layout */
  .navbar-collapse .navbar-nav {
    width: 100% !important;
    align-items: flex-start !important;
    text-align: left !important;
  }

  .navbar-collapse .nav-item {
    width: 100% !important;
    border-bottom: 1px solid rgba(0, 0, 0, 0.05);
  }

  .navbar-collapse .nav-link-custom {
    padding: 14px 0 !important;
    font-size: 0.95rem !important;
    font-weight: 700 !important;
    color: var(--text-dark) !important;
    display: flex !important;
    justify-content: space-between;
    align-items: center;
    position: relative !important;
    transition: var(--transition-smooth) !important;
  }

  .navbar-collapse .nav-link-custom:hover,
  .navbar-collapse .nav-link-custom.active {
    color: var(--brand-primary) !important;
  }

  .navbar-collapse .nav-link-custom::after {
    content: '' !important;
    position: absolute !important;
    bottom: 0 !important;
    left: 0 !important;
    right: 0 !important;
    height: 3px !important;
    background-color: var(--brand-primary) !important;
    transform: scaleX(0) !important;
    transform-origin: center !important;
    transition: var(--transition-smooth) !important;
    border-radius: 2px !important;
    display: block !important;
  }

  .navbar-collapse .nav-link-custom:hover::after,
  .navbar-collapse .nav-link-custom.active::after {
    transform: scaleX(1) !important;
  }

  /* Dropdown submenus inside the drawer */
  .navbar-collapse .dropdown-menu-custom {
    position: static !important;
    float: none !important;
    box-shadow: none !important;
    background-color: #f8fafc !important;
    border-top: none !important;
    border-radius: 6px !important;
    padding: 8px 16px !important;
    margin-top: 5px !important;
    margin-bottom: 10px !important;
    width: 100% !important;
    opacity: 1 !important;
    visibility: visible !important;
    transform: none !important;
  }

  .navbar-collapse .dropdown-item-custom {
    padding: 8px 0 !important;
    font-size: 0.85rem !important;
    border-bottom: none !important;
  }

  /* Backdrop dimming effect when menu is open */
  body.menu-open-backdrop {
    overflow: hidden; /* Disable page scroll when menu is open */
  }

  body.menu-open-backdrop::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background-color: rgba(0, 0, 0, 0.4);
    z-index: 1040;
    transition: opacity 0.3s ease;
  }
}

/* Mobile Top Spacing Adjustments */
@media (max-width: 768px) {
  .subpage-hero {
    padding: 35px 0 !important;
  }
  .subpage-hero h1 {
    font-size: 1.75rem !important;
    margin-bottom: 6px !important;
  }
  .subpage-hero .breadcrumb-custom {
    padding: 5px 12px !important;
    font-size: 0.78rem !important;
  }
}