/**
 * Kamaran Trucks - Main Stylesheet
 * Modern, mobile-first responsive design
 */

/* Reset and Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    /* Color Palette */
    --primary-dark: #1a1a2e;
    --secondary-dark: #16213e;
    --accent: #f39c12;
    --accent-hover: #e67e22;
    --success: #27ae60;
    --danger: #e74c3c;
    --text-light: #ecf0f1;
    --text-dark: #2c3e50;
    --border-light: rgba(255, 255, 255, 0.1);
    --shadow: rgba(0, 0, 0, 0.3);
    
    /* Spacing */
    --spacing-xs: 5px;
    --spacing-sm: 10px;
    --spacing-md: 20px;
    --spacing-lg: 30px;
    --spacing-xl: 40px;
    
    /* Transitions */
    --transition: all 0.3s ease;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Segoe UI Arabic', Arial, sans-serif;
    background: var(--primary-dark);
    color: var(--text-light);
    line-height: 1.6;
    min-height: 100vh;
    overflow-x: hidden;
}

/* RTL Support */
[dir="rtl"] {
    font-family: 'Segoe UI Arabic', -apple-system, Arial, sans-serif;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    margin-bottom: var(--spacing-md);
    color: var(--text-light);
}

h1 { font-size: 2.5rem; }
h2 { font-size: 2rem; }
h3 { font-size: 1.75rem; }
h4 { font-size: 1.5rem; }
h5 { font-size: 1.25rem; }
h6 { font-size: 1rem; }

p {
    margin-bottom: var(--spacing-md);
}

a {
    color: var(--accent);
    text-decoration: none;
    transition: var(--transition);
}

a:hover {
    color: var(--accent-hover);
}

/* Container */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

/* Header */
.header {
    background: rgba(22, 33, 62, 0.95);
    backdrop-filter: blur(10px);
    position: sticky;
    top: 0;
    z-index: 1000;
    border-bottom: 1px solid var(--border-light);
    box-shadow: 0 2px 10px var(--shadow);
}

.header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-md) 0;
}

.logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-light);
}

.logo-icon {
    font-size: 2rem;
}

.nav-menu {
    display: flex;
    gap: var(--spacing-lg);
    align-items: center;
}

.nav-link {
    color: var(--text-light);
    font-weight: 500;
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: 8px;
    transition: var(--transition);
}

.nav-link:hover {
    background: rgba(243, 156, 18, 0.2);
    color: var(--accent);
}

.language-switch {
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid var(--border-light);
    color: var(--text-light);
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: 8px;
    cursor: pointer;
    transition: var(--transition);
}

.language-switch:hover {
    background: rgba(243, 156, 18, 0.2);
    border-color: var(--accent);
}

/* Hero Section */
.hero {
    background: linear-gradient(135deg, var(--primary-dark) 0%, var(--secondary-dark) 100%);
    padding: var(--spacing-xl) 0;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(243, 156, 18, 0.1) 0%, transparent 70%);
    animation: rotate 30s linear infinite;
}

@keyframes rotate {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

.hero-content {
    position: relative;
    z-index: 1;
}

.hero h1 {
    font-size: 3rem;
    margin-bottom: var(--spacing-md);
    background: linear-gradient(45deg, var(--accent), #f1c40f);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-description {
    font-size: 1.25rem;
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: var(--spacing-lg);
}

/* Search Bar */
.search-container {
    max-width: 600px;
    margin: var(--spacing-lg) auto;
}

.search-box {
    display: flex;
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid var(--border-light);
    border-radius: 50px;
    overflow: hidden;
    transition: var(--transition);
}

.search-box:focus-within {
    border-color: var(--accent);
    box-shadow: 0 0 20px rgba(243, 156, 18, 0.3);
}

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

.search-input::placeholder {
    color: rgba(255, 255, 255, 0.5);
}

.search-btn {
    background: var(--accent);
    border: none;
    color: var(--primary-dark);
    padding: 0 var(--spacing-lg);
    cursor: pointer;
    transition: var(--transition);
    font-size: 1.25rem;
}

.search-btn:hover {
    background: var(--accent-hover);
}

/* Categories Section */
.categories-section {
    padding: var(--spacing-xl) 0;
}

.section-header {
    text-align: center;
    margin-bottom: var(--spacing-xl);
}

.section-title {
    font-size: 2.5rem;
    margin-bottom: var(--spacing-sm);
}

.section-subtitle {
    color: rgba(255, 255, 255, 0.7);
    font-size: 1.1rem;
}

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

.category-card {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--border-light);
    border-radius: 15px;
    overflow: hidden;
    transition: var(--transition);
    cursor: pointer;
    position: relative;
}

.category-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px var(--shadow);
    border-color: var(--accent);
}

.category-image {
    width: 100%;
    height: 200px;
    object-fit: cover;
    transition: var(--transition);
}

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

.category-info {
    padding: var(--spacing-md);
}

.category-name {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: var(--spacing-sm);
}

.category-count {
    color: rgba(255, 255, 255, 0.7);
    font-size: 0.9rem;
}

/* Products Grid */
.products-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: var(--spacing-lg);
}

.product-card {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--border-light);
    border-radius: 15px;
    overflow: hidden;
    transition: var(--transition);
    position: relative;
}

.product-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px var(--shadow);
    border-color: var(--accent);
}

.product-image {
    width: 100%;
    height: 250px;
    object-fit: cover;
    transition: var(--transition);
}

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

.product-info {
    padding: var(--spacing-md);
}

.product-name {
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: var(--spacing-sm);
    color: var(--text-light);
}

.product-description {
    color: rgba(255, 255, 255, 0.7);
    font-size: 0.9rem;
    margin-bottom: var(--spacing-md);
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.product-price {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--accent);
}

/* Filters */
.filters-container {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--border-light);
    border-radius: 15px;
    padding: var(--spacing-lg);
    margin-bottom: var(--spacing-xl);
}

.filters-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-md);
}

.filter-group {
    margin-bottom: var(--spacing-md);
}

.filter-label {
    display: block;
    font-weight: 600;
    margin-bottom: var(--spacing-sm);
}

.filter-input {
    width: 100%;
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid var(--border-light);
    color: var(--text-light);
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: 8px;
    outline: none;
    transition: var(--transition);
}

.filter-input:focus {
    border-color: var(--accent);
}

.price-range {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-sm);
}

/* Buttons */
.btn {
    display: inline-block;
    padding: var(--spacing-sm) var(--spacing-lg);
    border-radius: 8px;
    font-weight: 600;
    text-align: center;
    cursor: pointer;
    transition: var(--transition);
    border: none;
    outline: none;
}

.btn-primary {
    background: var(--accent);
    color: var(--primary-dark);
}

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

.btn-secondary {
    background: rgba(255, 255, 255, 0.1);
    color: var(--text-light);
    border: 1px solid var(--border-light);
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.2);
}

.btn-block {
    display: block;
    width: 100%;
}

/* Footer */
.footer {
    background: var(--secondary-dark);
    border-top: 1px solid var(--border-light);
    padding: var(--spacing-xl) 0;
    margin-top: var(--spacing-xl);
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-xl);
}

.footer-section h4 {
    color: var(--accent);
    margin-bottom: var(--spacing-md);
}

.footer-links {
    list-style: none;
}

.footer-links li {
    margin-bottom: var(--spacing-sm);
}

.footer-bottom {
    text-align: center;
    margin-top: var(--spacing-xl);
    padding-top: var(--spacing-xl);
    border-top: 1px solid var(--border-light);
    color: rgba(255, 255, 255, 0.7);
}

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

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

/* Mobile Menu */
.mobile-menu-toggle {
    display: none;
    background: none;
    border: none;
    color: var(--text-light);
    font-size: 1.5rem;
    cursor: pointer;
}

/* Responsive Design */
@media (max-width: 768px) {
    /* Typography */
    h1 { font-size: 2rem; }
    h2 { font-size: 1.75rem; }
    h3 { font-size: 1.5rem; }
    
    /* Header */
    .nav-menu {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: var(--secondary-dark);
        flex-direction: column;
        padding: var(--spacing-md);
        gap: var(--spacing-sm);
        border-bottom: 1px solid var(--border-light);
    }
    
    .nav-menu.active {
        display: flex;
    }
    
    .mobile-menu-toggle {
        display: block;
    }
    
    /* Hero */
    .hero h1 {
        font-size: 2rem;
    }
    
    .hero-description {
        font-size: 1rem;
    }
    
    /* Grid Adjustments */
    .categories-grid,
    .products-grid {
        grid-template-columns: 1fr;
    }
    
    /* Footer */
    .footer-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
}

@media (max-width: 480px) {
    /* Spacing Adjustments */
    :root {
        --spacing-md: 15px;
        --spacing-lg: 20px;
        --spacing-xl: 30px;
    }
    
    /* Container */
    .container {
        padding: 0 var(--spacing-sm);
    }
    
    /* Search */
    .search-input {
        padding: var(--spacing-sm) var(--spacing-md);
    }
    
    .search-btn {
        padding: 0 var(--spacing-md);
    }
}

/* Animations */
.fade-in {
    animation: fadeIn 0.6s ease-out;
}

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

/* Utility Classes */
.text-center { text-align: center; }
.text-right { text-align: right; }
.text-left { text-align: left; }
.mt-1 { margin-top: var(--spacing-sm); }
.mt-2 { margin-top: var(--spacing-md); }
.mt-3 { margin-top: var(--spacing-lg); }
.mb-1 { margin-bottom: var(--spacing-sm); }
.mb-2 { margin-bottom: var(--spacing-md); }
.mb-3 { margin-bottom: var(--spacing-lg); }
.hidden { display: none; }

/* Print Styles */
@media print {
    body {
        background: white;
        color: black;
    }
    
    .header,
    .footer,
    .search-container,
    .filters-container {
        display: none;
    }
}