/* ==========================================================================
   REGLER HEALTH CARE - RESPONSIVE STYLESHEET
   Responsive Breakpoints & Layout Adaptations
   ========================================================================== */

/* Large Desktop & Laptops (Max 1200px) */
@media (max-width: 1200px) {
  .nav-link {
    font-size: 0.82rem;
    padding: 6px 8px;
    gap: 3px;
  }
  .mega-menu {
    width: 800px;
  }
  .slide-title {
    font-size: 2.6rem;
  }
  .quick-features-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .department-grid {
    grid-template-columns: repeat(3, 1fr);
  }
  .doctor-grid {
    grid-template-columns: repeat(3, 1fr);
  }
  .footer-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

/* Global Overflow Guard to prevent any mobile horizontal scrolling */
html, body {
  max-width: 100vw;
  overflow-x: hidden !important;
  position: relative;
}

/* Medium Tablets & iPads (Max 992px) */
@media (max-width: 992px) {
  .top-header-inner {
    justify-content: center;
    text-align: center;
  }
  .main-header.menu-open {
    z-index: 100000 !important;
  }
  .mobile-nav-toggle {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border-radius: var(--radius-sm);
    background: var(--primary-blue-light);
    color: var(--primary-blue);
    font-size: 1.3rem;
    cursor: pointer;
    flex-shrink: 0;
    border: none;
    outline: none;
    position: relative;
    z-index: 100005 !important;
  }
  .nav-menu {
    position: fixed;
    top: 0;
    right: 0;
    width: 290px;
    max-width: 85vw;
    height: 100vh;
    background: #ffffff !important;
    box-shadow: -10px 0 30px rgba(10, 37, 64, 0.25);
    flex-direction: column;
    align-items: flex-start;
    padding: 80px 20px 40px 20px;
    transform: translateX(105%);
    visibility: hidden;
    transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1), visibility 0.3s ease;
    overflow-y: auto;
    z-index: 100001 !important;
  }
  .nav-menu.active {
    transform: translateX(0);
    visibility: visible;
  }
  .nav-item {
    width: 100%;
  }
  .nav-link {
    width: 100%;
    justify-content: space-between;
    padding: 13px 16px;
    font-size: 1.02rem;
    font-weight: 600;
    color: #0a2540 !important;
    border-bottom: 1px solid var(--border-subtle);
    border-radius: var(--radius-sm);
  }
  .nav-link:hover, .nav-link.active {
    color: #e31b23 !important;
    background: var(--primary-blue-light) !important;
  }
  .dropdown-menu, .mega-menu {
    position: static;
    opacity: 1;
    visibility: visible;
    transform: none !important;
    width: 100% !important;
    max-width: 100% !important;
    box-shadow: none;
    border: none;
    display: none;
    padding: 8px 0 8px 14px;
    background: var(--bg-light);
    border-radius: var(--radius-sm);
    margin-top: 4px;
  }
  .dropdown-item {
    padding: 10px 14px;
    color: #334155 !important;
    font-weight: 500;
    font-size: 0.94rem;
    display: flex;
    align-items: center;
    gap: 8px;
    border-bottom: 1px dashed var(--border-light);
  }
  .dropdown-item:hover, .dropdown-item.active {
    color: var(--primary-red) !important;
    background: #ffffff !important;
  }
  .nav-item.dropdown-open .dropdown-menu,
  .nav-item.dropdown-open .mega-menu {
    display: block;
  }
  .mega-menu {
    grid-template-columns: 1fr;
  }
  .hero-wrapper-grid {
    grid-template-columns: 1fr;
    gap: 30px;
    padding: 30px 0;
  }
  .slide-title {
    font-size: 2.2rem;
  }
  .about-grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }
  .services-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .package-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .package-card.featured {
    transform: none;
  }
  .home-collection-banner {
    grid-template-columns: 1fr;
    padding: 36px 24px;
  }
  .steps-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .counter-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
  }
  .appointment-grid-layout {
    grid-template-columns: 1fr;
  }
  .footer-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .grid-4-cols {
    grid-template-columns: repeat(2, 1fr);
  }
  .grid-2-cols {
    grid-template-columns: 1fr;
  }
  .gallery-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

/* Backdrop Overlay for Mobile Nav */
.nav-menu-backdrop {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background: rgba(10, 37, 64, 0.65);
  backdrop-filter: blur(4px);
  z-index: 99990 !important;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.3s ease, visibility 0.3s ease;
}
  transition: opacity 0.3s ease, visibility 0.3s ease;
}
.nav-menu-backdrop.active {
  opacity: 1;
  visibility: visible;
}

/* Small Tablets & Mobile Portrait (Max 768px) */
@media (max-width: 768px) {
  .top-header {
    display: none; /* Hide top info bar on smaller screens to save space */
  }
  .header-container {
    padding: 8px 0;
    gap: 8px;
    justify-content: space-between;
    width: 100%;
    max-width: 100%;
    overflow: hidden;
  }
  .brand-logo {
    max-width: 160px;
    flex-shrink: 1;
  }
  .brand-logo img {
    height: 36px;
    max-width: 100%;
    object-fit: contain;
  }
  .header-cta-group {
    display: flex;
    align-items: center;
    gap: 8px;
    flex-shrink: 0;
  }
  .header-container .btn-sm {
    padding: 6px 10px;
    font-size: 0.76rem;
    white-space: nowrap;
  }
  .slide-content {
    padding: 40px 0;
  }
  .slide-title {
    font-size: 1.85rem;
  }
  .slide-desc {
    font-size: 0.98rem;
  }
  .slider-arrow {
    display: none; /* Swipe & dots used on mobile */
  }
  .quick-features-grid {
    grid-template-columns: 1fr;
  }
  .section-title {
    font-size: 1.8rem;
  }
  .services-grid {
    grid-template-columns: 1fr;
  }
  .department-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .package-grid {
    grid-template-columns: 1fr;
  }
  .doctor-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .blog-grid {
    grid-template-columns: 1fr;
  }
  .form-grid {
    grid-template-columns: 1fr;
  }
  .form-group.full-width {
    grid-column: span 1;
  }
  .appointment-form-wrapper, .appointment-left-info {
    padding: 24px 16px;
  }
  .footer-grid {
    grid-template-columns: 1fr;
    gap: 30px;
  }
  .footer-bottom-inner {
    flex-direction: column;
    text-align: center;
  }
}

/* Mobile & Foldable Phones (Max 480px) */
@media (max-width: 480px) {
  .container {
    padding-left: 12px;
    padding-right: 12px;
  }
  .brand-logo {
    max-width: 135px;
  }
  .brand-logo img {
    height: 32px;
    max-width: 100%;
  }
  .header-container .btn-sm {
    padding: 5px 8px;
    font-size: 0.72rem;
  }
  .header-container .btn-sm i {
    font-size: 0.75rem;
  }
  .mobile-nav-toggle {
    width: 36px;
    height: 36px;
    font-size: 1.1rem;
  }
  .slide-title {
    font-size: 1.55rem;
  }
  .btn-lg {
    padding: 12px 24px;
    font-size: 0.92rem;
    width: 100%;
  }
  .department-grid {
    grid-template-columns: 1fr;
  }
  .doctor-grid {
    grid-template-columns: 1fr;
  }
  .steps-grid {
    grid-template-columns: 1fr;
  }
  .counter-grid {
    grid-template-columns: 1fr;
  }
  .about-experience-badge {
    position: static;
    margin-top: 20px;
    min-width: 100%;
  }
  .grid-4-cols {
    grid-template-columns: 1fr;
  }
  .gallery-grid {
    grid-template-columns: 1fr;
  }
}