:root {
    --primary-bg: #0a0e13;
    --secondary-bg: #141a21;
    --text-color: #ffffff;
    --accent-color: #f8a106;
    --card-bg: rgba(30, 40, 50, 0.8);
    --overlay-bg: rgba(0, 0, 0, 0.6);
    --border-color: rgba(255, 255, 255, 0.214);
    --hero-layer: rgba(0, 0, 0, 0.705);
    --card-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
    --hover-transform: scale(1.05);
    --transition-speed: 0.4s;
    --border-radius: 12px;
    --badge-bg: #f8a106;
    --badge-bg-new: #4CAF50;
    --badge-bg-popular: #E91E63;
}

.light-theme {
    --primary-bg: #f5f5f5;
    --secondary-bg: #e0e0e0;
    --text-color: #0a0e13;
    --card-bg: rgba(255, 255, 255, 0.85);
    --overlay-bg: rgba(255, 255, 255, 0.7);
    --border-color: rgba(0, 0, 0, 0.1);
    --accent-color: rgba(207, 0, 0, 0.973);
    --hero-layer: rgba(95, 81, 81, 0.541);
    --card-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Vazirmatn', Tahoma, Arial, sans-serif;
}

.container {
    width: 100%;
    max-width: 2000px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Categories Section Styles */
.categories-section {
    padding: 80px 0;
    background-color: var(--primary-bg);
    position: relative;
    overflow: hidden;
}

/* Add subtle texture overlay */
.categories-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='4' height='4' viewBox='0 0 4 4'%3E%3Cpath fill='%23ffffff' fill-opacity='0.05' d='M1 3h1v1H1V3zm2-2h1v1H3V1z'%3E%3C/path%3E%3C/svg%3E");
    pointer-events: none;
}

.section-header {
    text-align: center;
    margin-bottom: 50px;
}

.section-title {
    color: var(--text-color);
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 15px;
    position: relative;
    display: inline-block;
}

.title-underline {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    margin-top: 10px;
}

.title-underline .line {
    height: 2px;
    width: 50px;
    background-color: var(--accent-color);
}

.title-underline .dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background-color: var(--accent-color);
}

.categories-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
    margin-bottom: 40px;
}

.category-card {
    position: relative;
    height: 350px;
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: var(--card-shadow);
    transition: transform var(--transition-speed), box-shadow var(--transition-speed);
    cursor: pointer;
    perspective: 1000px;
}

.card-inner {
    position: relative;
    width: 100%;
    height: 100%;
    text-align: center;
    transition: transform 0.8s;
    transform-style: preserve-3d;
}

.category-card:hover .card-inner {
    transform: rotateY(180deg);
}

.card-front, .card-back {
    position: absolute;
    width: 100%;
    height: 100%;
    -webkit-backface-visibility: hidden;
    backface-visibility: hidden;
    border-radius: var(--border-radius);
    overflow: hidden;
}

.card-back {
    transform: rotateY(180deg);
    background: var(--card-bg);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
}

.glass-effect {
    background: var(--card-bg);
    backdrop-filter: blur(10px);
    border: 1px solid var(--border-color);
}

.category-card:hover {
    transform: var(--hover-transform);
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.5);
    z-index: 1;
}

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

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

.category-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    background: var(--overlay-bg);
    padding: 20px;
    transform: translateY(0);
    transition: transform 0.3s ease;
}

.category-title {
    color: var(--text-color);
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 8px;
}

.category-subtitle {
    color: var(--text-color);
    font-size: 0.9rem;
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.3s ease, transform 0.3s ease;
    display: block;
}

.category-card:hover .category-subtitle {
    opacity: 1;
    transform: translateY(0);
}

.category-details {
    color: var(--text-color);
    text-align: center;
}

.category-details h3 {
    margin-bottom: 15px;
    font-size: 1.5rem;
    color: var(--accent-color);
}

.subcategory-list {
    list-style: none;
    margin-bottom: 20px;
    text-align: right;
}

.subcategory-list li {
    padding: 8px 0;
    border-bottom: 1px solid var(--border-color);
    position: relative;
}

.subcategory-list li::before {
    content: '•';
    color: var(--accent-color);
    display: inline-block;
    width: 1em;
    margin-left: 5px;
}

.category-btn {
    display: inline-block;
    padding: 10px 20px;
    background-color: var(--accent-color);
    color: #fff;
    text-decoration: none;
    border-radius: 30px;
    font-weight: 500;
    transition: all 0.3s ease;
    border: 2px solid transparent;
}

.category-btn:hover {
    background-color: transparent;
    border-color: var(--accent-color);
    color: var(--accent-color);
}

.category-badge {
    position: absolute;
    top: 15px;
    right: 15px;
    background-color: var(--badge-bg);
    color: white;
    padding: 5px 10px;
    border-radius: 20px;
    font-size: 0.8rem;
    z-index: 2;
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.2);
    transform: rotate(5deg);
}

.category-badge.new {
    background-color: var(--badge-bg-new);
}

.category-badge.popular {
    background-color: var(--badge-bg-popular);
}

/* Filters */
.categories-filter {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 10px;
    margin-bottom: 30px;
}

.filter-btn {
    background-color: transparent;
    border: 1px solid var(--border-color);
    color: var(--text-color);
    padding: 8px 15px;
    border-radius: 20px;
    cursor: pointer;
    transition: all 0.3s ease;
    font-size: 0.9rem;
}

.filter-btn:hover, .filter-btn.active {
    background-color: var(--accent-color);
    border-color: var(--accent-color);
    color: white;
}

/* View All Button */
.view-all-container {
    text-align: center;
    margin-top: 30px;
}

.view-all-btn {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 12px 25px;
    background-color: transparent;
    border: 2px solid var(--accent-color);
    color: var(--text-color);
    text-decoration: none;
    border-radius: 30px;
    font-weight: 500;
    transition: all 0.3s ease;
}

.view-all-btn svg {
    transition: transform 0.3s ease;
}

.view-all-btn:hover {
    background-color: var(--accent-color);
    color: white;
}

.view-all-btn:hover svg {
    transform: translateX(-5px);
}

/* Animation for cards on load */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.category-card {
    animation: fadeInUp 0.6s ease forwards;
    opacity: 0;
}

.category-card:nth-child(1) {
    animation-delay: 0.1s;
}

.category-card:nth-child(2) {
    animation-delay: 0.2s;
}

.category-card:nth-child(3) {
    animation-delay: 0.3s;
}

.category-card:nth-child(4) {
    animation-delay: 0.4s;
}

/* Responsive Styles */
@media (max-width: 1200px) {
    .categories-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .section-title {
        font-size: 2rem;
    }
    
    .categories-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    
    .category-card {
        height: 300px;
    }
    
    .category-title {
        font-size: 1.3rem;
    }
    
    .filter-btn {
        font-size: 0.8rem;
        padding: 6px 12px;
    }
}

@media (max-width: 480px) {
    .categories-section {
        padding: 50px 0;
    }
    
    .section-title {
        font-size: 1.5rem;
    }
    
    .category-card {
        height: 250px;
    }
    
    .title-underline .line {
        width: 30px;
    }
    
    .category-overlay {
        padding: 15px;
    }
    
    .category-title {
        font-size: 1.1rem;
        margin-bottom: 5px;
    }
    
    .category-subtitle {
        font-size: 0.8rem;
    }
    
    .view-all-btn {
        padding: 10px 20px;
        font-size: 0.9rem;
    }
    
    .categories-filter {
        flex-direction: row;
        overflow-x: auto;
        padding-bottom: 10px;
        justify-content: flex-start;
        margin-left: -10px;
        margin-right: -10px;
        padding-left: 10px;
        padding-right: 10px;
    }
    
    .filter-btn {
        flex-shrink: 0;
    }
}