/* Additional custom styles for enhanced responsiveness and visual appeal */

/* Smooth animations */
* {
    scroll-behavior: smooth;
}

/* Enhanced mobile menu animations */
#mobile-menu {
    transition: all 0.3s ease-in-out;
}

/* Profile image hover effects */
.profile-image {
    transition: transform 0.3s ease-in-out;
}

.profile-image:hover {
    transform: scale(1.05);
}

.profile-image img {
    image-rendering: -webkit-optimize-contrast;
    image-rendering: crisp-edges;
}

/* Card hover effects */
.article-card, .video-card {
    transition: all 0.3s ease-in-out;
}

.article-card:hover, .video-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
}

/* Enhanced gradient overlays */
.gradient-overlay {
    background: linear-gradient(135deg, rgba(30, 64, 175, 0.9) 0%, rgba(59, 130, 246, 0.8) 100%);
}

/* Academic background pattern enhancements */
.academic-bg {
    background-attachment: fixed;
    background-size: cover;
    background-repeat: no-repeat;
}

/* Responsive text scaling */
@media (max-width: 640px) {
    .hero-title {
        font-size: 2.5rem;
        line-height: 1.1;
    }
    
    .hero-subtitle {
        font-size: 1.25rem;
    }
    
    .section-title {
        font-size: 2rem;
    }
}

/* Enhanced button styles */
.btn-primary {
    position: relative;
    overflow: hidden;
}

.btn-primary::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: left 0.5s ease;
}

.btn-primary:hover::before {
    left: 100%;
}

/* Loading animation for images */
.image-loading {
    background: linear-gradient(90deg, #f0f0f0 25%, #e0e0e0 50%, #f0f0f0 75%);
    background-size: 200% 100%;
    animation: loading 1.5s infinite;
}

@keyframes loading {
    0% {
        background-position: 200% 0;
    }
    100% {
        background-position: -200% 0;
    }
}

/* Enhanced focus states for accessibility */
a:focus, button:focus {
    outline: 2px solid #3b82f6;
    outline-offset: 2px;
}

/* Print styles */
@media print {
    .no-print {
        display: none !important;
    }
    
    body {
        font-size: 12pt;
        line-height: 1.4;
    }
    
    h1, h2, h3 {
        page-break-after: avoid;
    }
    
    .page-break {
        page-break-before: always;
    }
}

/* Dark mode support (future enhancement) */
@media (prefers-color-scheme: dark) {
    :root {
        --bg-primary: #1a202c;
        --text-primary: #f7fafc;
        --accent-color: #4299e1;
    }
}

/* High contrast mode support */
@media (prefers-contrast: high) {
    .text-gray-600 {
        color: #2d3748 !important;
    }
    
    .border-gray-200 {
        border-color: #000000 !important;
    }
}

/* Reduced motion support */
@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

/* Enhanced table responsiveness */
.table-responsive {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
}

/* Custom scrollbar */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: #f1f1f1;
}

::-webkit-scrollbar-thumb {
    background: #888;
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: #555;
}