/* Custom CSS for AI Business Academy */

/* Animations */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes slideInLeft {
    from {
        opacity: 0;
        transform: translateX(-50px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes slideInRight {
    from {
        opacity: 0;
        transform: translateX(50px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

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

/* Animation classes */
.animate-fade-in {
    animation: fadeIn 1s ease-out;
}

.animate-fade-in-delay {
    animation: fadeIn 1s ease-out 0.3s both;
}

.animate-fade-in-delay-2 {
    animation: fadeIn 1s ease-out 0.6s both;
}

.animate-slide-in-left {
    animation: slideInLeft 0.8s ease-out;
}

.animate-slide-in-right {
    animation: slideInRight 0.8s ease-out;
}

.animate-pulse {
    animation: pulse 2s infinite;
}

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

/* 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;
}

/* Navigation */
.nav-link {
    position: relative;
    transition: all 0.3s ease;
}

.nav-link::after {
    content: '';
    position: absolute;
    width: 0;
    height: 2px;
    bottom: -5px;
    left: 50%;
    background-color: #2563eb;
    transition: all 0.3s ease;
    transform: translateX(-50%);
}

.nav-link:hover::after {
    width: 100%;
}

/* Feature cards */
.feature-card {
    transition: all 0.3s ease;
    border: 1px solid transparent;
}

.feature-card:hover {
    border-color: #e5e7eb;
    transform: translateY(-8px);
}

/* Course cards */
.course-card {
    transition: all 0.3s ease;
    border: 1px solid #e5e7eb;
    overflow: hidden;
}

.course-card: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);
}

.course-card .course-image {
    height: 200px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 3rem;
}

.course-card .difficulty-badge {
    position: absolute;
    top: 12px;
    right: 12px;
    padding: 4px 8px;
    border-radius: 12px;
    font-size: 0.75rem;
    font-weight: 600;
}

.difficulty-beginner {
    background-color: #10b981;
    color: white;
}

.difficulty-intermediate {
    background-color: #f59e0b;
    color: white;
}

.difficulty-advanced {
    background-color: #ef4444;
    color: white;
}

/* Curriculum steps */
.curriculum-step {
    transition: all 0.3s ease;
}

.curriculum-step:hover {
    transform: translateX(10px);
}

.curriculum-step .step-number {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-weight: bold;
    font-size: 1.25rem;
    flex-shrink: 0;
}

/* Testimonials */
.testimonial-card {
    transition: all 0.3s ease;
}

.testimonial-card:hover {
    transform: translateY(-5px);
}

.testimonial-avatar {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-weight: bold;
    font-size: 1.25rem;
}

/* Modal styles */
.modal {
    backdrop-filter: blur(4px);
}

.modal.show {
    display: flex !important;
}

/* Chat styles */
.chat-message {
    margin-bottom: 1rem;
}

.user-message {
    display: flex;
    justify-content: flex-end;
}

.user-message .message-content {
    background-color: #2563eb;
    color: white;
    padding: 0.75rem 1rem;
    border-radius: 1rem;
    border-bottom-right-radius: 0.25rem;
    max-width: 70%;
}

.ai-message .message-content {
    background-color: white;
    color: #374151;
    padding: 0.75rem 1rem;
    border-radius: 1rem;
    border-bottom-left-radius: 0.25rem;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
    max-width: 70%;
}

/* Loading animation */
.loading-dots {
    display: inline-block;
}

.loading-dots::after {
    content: '';
    animation: loading 1.5s infinite;
}

@keyframes loading {
    0% { content: ''; }
    25% { content: '.'; }
    50% { content: '..'; }
    75% { content: '...'; }
    100% { content: ''; }
}

/* Button hover effects */
button {
    transition: all 0.3s ease;
}

button:hover {
    transform: translateY(-2px);
}

button:active {
    transform: translateY(0);
}

/* Form styles */
input:focus, select:focus, textarea:focus {
    outline: none;
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
}

/* Responsive design */
@media (max-width: 768px) {
    .feature-card:hover {
        transform: none;
    }
    
    .course-card:hover {
        transform: none;
    }
    
    .curriculum-step:hover {
        transform: none;
    }
    
    .testimonial-card:hover {
        transform: none;
    }
}

/* Utility classes */
.text-gradient {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.bg-gradient-primary {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
}

.bg-gradient-secondary {
    background: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
}

.bg-gradient-success {
    background: linear-gradient(135deg, #4facfe 0%, #00f2fe 100%);
}

/* Dark mode support */
@media (prefers-color-scheme: dark) {
    /* Add dark mode styles if needed */
}

/* Print styles */
@media print {
    .no-print {
        display: none !important;
    }
}

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

/* Focus styles for accessibility */
button:focus,
input:focus,
select:focus,
textarea:focus,
a:focus {
    outline: 2px solid #2563eb;
    outline-offset: 2px;
}

/* High contrast mode support */
@media (prefers-contrast: high) {
    .feature-card,
    .course-card,
    .testimonial-card {
        border: 2px solid #000;
    }
}