/* Courses Page Styles */
:root {
    --primary-color: #FF6B00;
    --primary-dark: #E55C00;
    --primary-light: #FF8533;
    --secondary-color: #FFA64D;
    --text-color: #333;
    --light-text: #fff;
    --bg-light: #fff;
    --bg-dark: #2c3e50;
    --border-color: #e0e0e0;
    --shadow-sm: 0 2px 4px rgba(0,0,0,0.1);
    --shadow-md: 0 4px 6px rgba(0,0,0,0.1);
    --shadow-lg: 0 10px 15px rgba(0,0,0,0.1);
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s ease;
}

.courses-page {
    padding-top: calc(var(--spacing-xl) + 80px);
    background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
    min-height: 100vh;
    position: relative;
    overflow-x: hidden;
}

/* Hero Section */
.courses-hero {
    background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
    color: var(--light-text);
    padding: var(--spacing-xl) 0;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.courses-hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('../assets/images/hero-bg.jpg') center/cover;
    opacity: 0.1;
    z-index: 0;
}

.courses-hero .container {
    position: relative;
    z-index: 1;
    max-width: 800px;
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
}

.courses-hero h1 {
    font-size: 3rem;
    margin-bottom: var(--spacing-md);
    text-shadow: 2px 2px 4px rgba(0,0,0,0.2);
}

.courses-hero p {
    font-size: 1.2rem;
    margin-bottom: var(--spacing-xl);
    opacity: 0.9;
}

.search-box {
    display: flex;
    max-width: 500px;
    margin: 0 auto;
    background: var(--bg-light);
    border-radius: 50px;
    overflow: hidden;
    box-shadow: var(--shadow-lg);
}

.search-box input {
    flex: 1;
    padding: var(--spacing-md) var(--spacing-lg);
    border: none;
    outline: none;
    font-size: 1rem;
}

.search-box button {
    padding: var(--spacing-md) var(--spacing-lg);
    background: var(--primary-color);
    color: var(--light-text);
    border: none;
    cursor: pointer;
    transition: var(--transition-fast);
}

.search-box button:hover {
    background: var(--primary-dark);
}

/* Course Categories */
.course-categories {
    padding: var(--spacing-xl) 0;
    background: var(--bg-light);
}

.categories-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-lg);
    margin-top: var(--spacing-lg);
}

.category-card {
    background: var(--bg-light);
    padding: var(--spacing-lg);
    border-radius: 12px;
    text-align: center;
    box-shadow: var(--shadow-md);
    transition: var(--transition-normal);
    text-decoration: none;
    color: var(--text-color);
}

.category-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.category-card i {
    font-size: 2.5rem;
    color: var(--primary-color);
    margin-bottom: var(--spacing-md);
}

.category-card h3 {
    margin-bottom: var(--spacing-sm);
    color: var(--text-color);
}

.category-card p {
    color: var(--text-color);
    opacity: 0.8;
    font-size: 0.9rem;
}

/* Featured Courses */
.featured-courses {
    padding: var(--spacing-xl) 0;
    background: #f8f9fa;
}

.courses-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 2rem;
    padding: 2rem 0;
}

.course-card {
    background: var(--bg-light);
    border-radius: 15px;
    overflow: hidden;
    box-shadow: var(--shadow-md);
    transition: all 0.3s ease;
    position: relative;
    border: 1px solid rgba(0, 0, 0, 0.1);
}

.course-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.15);
}

.course-image {
    position: relative;
    height: 220px;
    overflow: hidden;
}

.course-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

.course-card:hover .course-image img {
    transform: scale(1.1);
}

.course-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    padding: 1.5rem;
    background: linear-gradient(to top, rgba(0, 0, 0, 0.8), transparent);
    color: var(--light-text);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.course-duration,
.course-level {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.9rem;
    font-weight: 500;
    text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.3);
}

.course-duration i,
.course-level i {
    color: var(--primary-color);
}

.course-content {
    padding: 1.5rem;
    background: var(--bg-light);
}

.course-content h3 {
    font-size: 1.4rem;
    margin-bottom: 1rem;
    color: var(--text-color);
    font-weight: 600;
    line-height: 1.3;
}

.course-content p {
    color: var(--text-color);
    opacity: 0.8;
    margin-bottom: 1.25rem;
    font-size: 0.95rem;
    line-height: 1.6;
}

.course-features {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1rem;
    margin-bottom: 1.5rem;
    padding: 1rem;
    background: rgba(255, 107, 0, 0.05);
    border-radius: 10px;
}

.course-features span {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.9rem;
    color: var(--text-color);
    font-weight: 500;
}

.course-features i {
    color: var(--primary-color);
    font-size: 1.1rem;
}

.btn {
    display: inline-block;
    padding: 0.8rem 1.5rem;
    border-radius: 30px;
    text-decoration: none;
    font-weight: 600;
    text-align: center;
    transition: all 0.3s ease;
    width: 100%;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    font-size: 0.9rem;
}

.btn-primary {
    background: var(--primary-color);
    color: var(--light-text);
    border: 2px solid var(--primary-color);
}

.btn-primary:hover {
    background: transparent;
    color: var(--primary-color);
    transform: translateY(-2px);
}

/* Testimonials */
.testimonials {
    padding: var(--spacing-xl) 0;
    background: #f8f9fa;
}

.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-lg);
    margin-top: var(--spacing-lg);
}

.testimonial-card {
    background: var(--bg-light);
    padding: var(--spacing-lg);
    border-radius: 12px;
    box-shadow: var(--shadow-md);
}

.testimonial-content {
    margin-bottom: var(--spacing-md);
}

.testimonial-content p {
    font-style: italic;
    color: var(--text-color);
    line-height: 1.6;
}

.testimonial-author {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

.testimonial-author img {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    object-fit: cover;
}

.author-info h4 {
    margin-bottom: var(--spacing-xs);
    color: var(--text-color);
}

.author-info p {
    color: var(--text-color);
    opacity: 0.8;
    font-size: 0.9rem;
}

/* Call to Action */
.cta-section {
    padding: var(--spacing-xl) 0;
    background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
    color: var(--light-text);
    text-align: center;
}

.cta-section h2 {
    margin-bottom: var(--spacing-md);
}

.cta-section p {
    margin-bottom: var(--spacing-lg);
    opacity: 0.9;
}

.btn-primary {
    display: inline-block;
    background: var(--bg-light);
    color: var(--primary-color);
    padding: var(--spacing-md) var(--spacing-xl);
    border-radius: 25px;
    text-decoration: none;
    font-weight: 600;
    transition: var(--transition-fast);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

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

.animate-slide-up {
    animation: slideUp 1s ease-out;
}

@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

@keyframes slideUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Responsive Design */
@media (max-width: 992px) {
    .courses-hero h1 {
        font-size: 2.5rem;
    }
    
    .categories-grid,
    .courses-grid,
    .features-grid,
    .testimonials-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .courses-hero h1 {
        font-size: 2rem;
    }
    
    .courses-hero p {
        font-size: 1rem;
    }
    
    .categories-grid,
    .courses-grid,
    .features-grid,
    .testimonials-grid {
        grid-template-columns: 1fr;
    }
    
    .search-box {
        flex-direction: column;
        border-radius: 12px;
    }
    
    .search-box input {
        border-radius: 12px 12px 0 0;
    }
    
    .search-box button {
        border-radius: 0 0 12px 12px;
    }

    .courses-grid {
        grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
        gap: 1.5rem;
    }

    .course-image {
        height: 200px;
    }

    .course-content h3 {
        font-size: 1.2rem;
    }

    .course-features {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    .courses-hero h1 {
        font-size: 1.75rem;
    }
    
    .course-meta {
        flex-direction: column;
        gap: var(--spacing-sm);
    }
    
    .course-footer {
        flex-direction: column;
        gap: var(--spacing-md);
        text-align: center;
    }

    .courses-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }

    .course-overlay {
        padding: 1rem;
    }

    .course-duration,
    .course-level {
        font-size: 0.8rem;
    }
}