/* Custom CSS styles for COSEF Premium Website */

/* Smooth Scroll & Responsive Scroll Boundary */
html {
  scroll-behavior: smooth;
}

html, body {
  max-width: 100%;
  overflow-x: clip;
}

/* Custom Scrollbar */
::-webkit-scrollbar {
  width: 8px;
}
::-webkit-scrollbar-track {
  background: #f1f1f1;
}
.dark ::-webkit-scrollbar-track {
  background: #1f2937;
}
::-webkit-scrollbar-thumb {
  background: #0f4c81;
  border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
  background: #10b981;
}

/* Glassmorphism Cards */
.glass-card {
  background: rgba(255, 255, 255, 0.75);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid rgba(255, 255, 255, 0.25);
  box-shadow: 0 8px 32px 0 rgba(31, 38, 135, 0.07);
}

.dark .glass-card {
  background: rgba(31, 41, 55, 0.75);
  border: 1px solid rgba(255, 255, 255, 0.08);
  box-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.3);
}

/* Custom Gradients */
.bg-gradient-primary {
  background: linear-gradient(135deg, #0F4C81 0%, #082d4f 100%);
}

.bg-gradient-accent {
  background: linear-gradient(135deg, #f59e0b 0%, #d97706 100%);
}

/* Preloader Animation */
.preloader {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: #ffffff;
  display: flex;
  justify-content: center;
  align-items: center;
  z-index: 9999;
  transition: opacity 0.5s ease, visibility 0.5s ease;
}

.dark .preloader {
  background-color: #1f2937;
}

.preloader.fade-out {
  opacity: 0;
  visibility: hidden;
}

.loader-spinner {
  width: 50px;
  height: 50px;
  border: 5px solid #e5e7eb;
  border-top-color: #0f4c81;
  border-bottom-color: #10b981;
  border-radius: 50%;
  animation: spin 1s linear infinite;
}

@keyframes spin {
  to {
    transform: rotate(360deg);
  }
}

/* Pulse Hover for Cards */
.hover-pulse {
  transition: transform 0.3s cubic-bezier(0.165, 0.84, 0.44, 1), box-shadow 0.3s ease;
}

.hover-pulse:hover {
  transform: translateY(-6px);
  box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
}

/* Custom Mega Menu Transitions */
.mega-menu {
  opacity: 0;
  visibility: hidden;
  transform: translateY(10px);
  transition: all 0.3s cubic-bezier(0.165, 0.84, 0.44, 1);
}

.group:hover .mega-menu {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

/* Map placeholder background */
.map-placeholder {
  background: radial-gradient(circle, #e5e7eb 10%, #d1d5db 90%);
}
.dark .map-placeholder {
  background: radial-gradient(circle, #374151 10%, #1f2937 90%);
}