/* Custom CSS for Power BI Course Website */

/* Font Family */
.font-inter {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
}

/* Smooth scrolling */
html {
    scroll-behavior: smooth;
}

/* Custom animations */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes pulse {
    0%, 100% {
        transform: scale(1);
    }
    50% {
        transform: scale(1.05);
    }
}

/* Animation classes */
.animate-fade-in-up {
    animation: fadeInUp 0.6s ease-out;
}

.animate-pulse-hover:hover {
    animation: pulse 0.3s ease-in-out;
}

/* Custom gradient backgrounds */
.bg-gradient-blue {
    background: linear-gradient(135deg, #1e40af 0%, #1e3a8a 100%);
}

/* Card hover effects */
.card-hover {
    transition: all 0.3s ease;
}

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

/* Custom button styles */
.btn-primary {
    background: linear-gradient(135deg, #2563eb 0%, #1d4ed8 100%);
    color: white;
    padding: 12px 24px;
    border-radius: 8px;
    font-weight: 600;
    transition: all 0.3s ease;
    border: none;
    cursor: pointer;
}

.btn-primary:hover {
    background: linear-gradient(135deg, #1d4ed8 0%, #1e40af 100%);
    transform: translateY(-2px);
    box-shadow: 0 10px 15px -3px rgba(37, 99, 235, 0.3);
}

/* Custom text styles */
.text-gradient {
    background: linear-gradient(135deg, #2563eb 0%, #1d4ed8 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* Loading animation */
.loading {
    display: inline-block;
    width: 20px;
    height: 20px;
    border: 3px solid rgba(255, 255, 255, 0.3);
    border-radius: 50%;
    border-top-color: #fff;
    animation: spin 1s ease-in-out infinite;
}

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

/* Responsive typography */
@media (max-width: 640px) {
    .text-responsive-xl {
        font-size: 1.875rem;
        line-height: 2.25rem;
    }
    
    .text-responsive-lg {
        font-size: 1.5rem;
        line-height: 2rem;
    }
}

@media (min-width: 641px) {
    .text-responsive-xl {
        font-size: 2.25rem;
        line-height: 2.5rem;
    }
    
    .text-responsive-lg {
        font-size: 1.875rem;
        line-height: 2.25rem;
    }
}

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

::-webkit-scrollbar-track {
    background: #f1f5f9;
}

::-webkit-scrollbar-thumb {
    background: #cbd5e1;
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: #94a3b8;
}

/* Focus styles for accessibility */
.focus-ring:focus {
    outline: 2px solid #2563eb;
    outline-offset: 2px;
}

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

/* High contrast mode support */
@media (prefers-contrast: high) {
    .bg-gray-50 {
        background-color: #ffffff;
    }
    
    .text-gray-600 {
        color: #000000;
    }
}

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

/* Dark mode support (future enhancement) */
@media (prefers-color-scheme: dark) {
    .dark-mode-support {
        background-color: #1f2937;
        color: #f9fafb;
    }
}