/**
 * استایل‌های مدرن فروشگاه - طراحی شبیه به ParsVPN
 */

:root {
    --primary: #2563eb;
    --primary-dark: #1e40af;
    --primary-light: #3b82f6;
    --secondary: #7c3aed;
    --accent: #f59e0b;
    --success: #10b981;
    --danger: #ef4444;
    --dark: #0f172a;
    --dark-secondary: #1e293b;
    --gray-50: #f8fafc;
    --gray-100: #f1f5f9;
    --gray-200: #e2e8f0;
    --gray-300: #cbd5e1;
    --gray-400: #94a3b8;
    --gray-500: #64748b;
    --gray-600: #475569;
    --gray-700: #334155;
    --gray-800: #1e293b;
    --gray-900: #0f172a;
    --white: #ffffff;
    --text-primary: #1e293b;
    --text-secondary: #64748b;
    --border: #e2e8f0;
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow: 0 1px 3px 0 rgba(0, 0, 0, 0.1), 0 1px 2px 0 rgba(0, 0, 0, 0.06);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Vazir', 'Segoe UI', 'Tahoma', 'Arial', sans-serif;
    direction: rtl;
    background: var(--white);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
}

/* Header - Simple and Clean */
.shop-header {
    background: var(--white);
    box-shadow: var(--shadow-sm);
    position: sticky;
    top: 0;
    z-index: 1000;
    border-bottom: 1px solid var(--border);
}

.header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 2rem;
    max-width: 1400px;
    margin: 0 auto;
}

.logo h1 {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary);
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin: 0;
}

.logo h1 i {
    color: var(--primary);
}

.main-nav {
    display: flex;
    align-items: center;
    gap: 1.5rem;
}

.nav-link {
    text-decoration: none;
    color: var(--text-primary);
    font-weight: 500;
    font-size: 0.95rem;
    transition: color 0.2s;
    padding: 0.5rem 0;
    position: relative;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    right: 0;
    width: 0;
    height: 2px;
    background: var(--primary);
    transition: width 0.3s;
}

.nav-link:hover,
.nav-link.active {
    color: var(--primary);
}

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

.user-name {
    color: var(--text-secondary);
    font-size: 0.9rem;
    padding: 0.5rem 1rem;
    background: var(--gray-100);
    border-radius: 0.5rem;
}

.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.625rem 1.25rem;
    border-radius: 0.5rem;
    text-decoration: none;
    font-weight: 600;
    font-size: 0.95rem;
    transition: all 0.2s;
    border: none;
    cursor: pointer;
}

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

.btn-primary:hover {
    background: var(--primary-dark);
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
}

.btn-secondary {
    background: var(--gray-100);
    color: var(--text-primary);
    border: 1px solid var(--border);
}

.btn-secondary:hover {
    background: var(--gray-200);
}

/* Hero Section - Clean Banner */
.hero-section {
    background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
    color: var(--white);
    padding: 5rem 0;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.hero-section::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -20%;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(255, 255, 255, 0.1) 0%, transparent 70%);
    border-radius: 50%;
}

.hero-content {
    position: relative;
    z-index: 1;
    max-width: 800px;
    margin: 0 auto;
    padding: 0 2rem;
}

.hero-content h1 {
    font-size: 3rem;
    font-weight: 800;
    margin-bottom: 1.5rem;
    line-height: 1.2;
}

.hero-content p {
    font-size: 1.25rem;
    margin-bottom: 2rem;
    opacity: 0.95;
    line-height: 1.8;
}

.hero-buttons {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
}

.btn-hero {
    padding: 1rem 2rem;
    font-size: 1.1rem;
    border-radius: 0.5rem;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    transition: all 0.2s;
    font-weight: 600;
}

.btn-hero-primary {
    background: var(--white);
    color: var(--primary);
}

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

.btn-hero-secondary {
    background: rgba(255, 255, 255, 0.2);
    color: var(--white);
    border: 2px solid rgba(255, 255, 255, 0.3);
}

.btn-hero-secondary:hover {
    background: rgba(255, 255, 255, 0.3);
}

/* Features Section */
.features-section {
    padding: 4rem 0;
    background: var(--white);
}

.section-header {
    text-align: center;
    margin-bottom: 3rem;
}

.section-header h2 {
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--text-primary);
    margin-bottom: 1rem;
}

.section-header p {
    font-size: 1.1rem;
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

.feature-item {
    text-align: center;
    padding: 2rem;
    border-radius: 1rem;
    transition: all 0.3s;
    background: var(--white);
    border: 1px solid var(--border);
}

.feature-item:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
    border-color: var(--primary);
}

.feature-item i {
    font-size: 3rem;
    color: var(--primary);
    margin-bottom: 1rem;
    display: block;
}

.feature-item h3 {
    font-size: 1.25rem;
    margin-bottom: 0.75rem;
    color: var(--text-primary);
    font-weight: 700;
}

.feature-item p {
    color: var(--text-secondary);
    line-height: 1.7;
}

/* Services Section - Product Cards */
.services-section {
    padding: 4rem 0;
    background: var(--gray-50);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: 2rem;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

.service-card {
    background: var(--white);
    border-radius: 1rem;
    padding: 2rem;
    box-shadow: var(--shadow);
    transition: all 0.3s;
    border: 1px solid var(--border);
    position: relative;
    overflow: hidden;
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--primary), var(--secondary));
}

.service-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-xl);
    border-color: var(--primary);
}

.service-header {
    display: flex;
    justify-content: space-between;
    align-items: start;
    margin-bottom: 1.5rem;
}

.service-header h3 {
    font-size: 1.5rem;
    color: var(--text-primary);
    margin: 0;
    font-weight: 700;
}

.discount-badge {
    background: var(--success);
    color: var(--white);
    padding: 0.25rem 0.75rem;
    border-radius: 1rem;
    font-size: 0.75rem;
    font-weight: 600;
}

.service-info {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
    margin-bottom: 1.5rem;
}

.info-item {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    color: var(--text-secondary);
    font-size: 0.95rem;
}

.info-item i {
    color: var(--primary);
    width: 20px;
}

.service-price {
    margin-bottom: 1.5rem;
    padding-top: 1.5rem;
    border-top: 1px solid var(--border);
    text-align: center;
}

.current-price {
    font-size: 2rem;
    font-weight: 800;
    color: var(--primary);
}

.service-footer {
    margin-top: 1.5rem;
}

.btn-service {
    width: 100%;
    padding: 0.875rem;
    background: var(--primary);
    color: var(--white);
    border: none;
    border-radius: 0.5rem;
    font-size: 1rem;
    font-weight: 600;
    text-decoration: none;
    display: block;
    text-align: center;
    transition: all 0.2s;
}

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

/* Stats Section */
.stats-section {
    padding: 4rem 0;
    background: var(--dark);
    color: var(--white);
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 2rem;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
    text-align: center;
}

.stat-item {
    padding: 2rem 1rem;
}

.stat-item .number {
    font-size: 3rem;
    font-weight: 800;
    color: var(--primary-light);
    margin-bottom: 0.5rem;
    display: block;
}

.stat-item .label {
    font-size: 1.1rem;
    color: var(--gray-300);
}

/* CTA Section */
.cta-section {
    padding: 4rem 0;
    background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
    color: var(--white);
    text-align: center;
}

.cta-content {
    max-width: 800px;
    margin: 0 auto;
    padding: 0 2rem;
}

.cta-content h2 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
    font-weight: 800;
}

.cta-content p {
    font-size: 1.25rem;
    margin-bottom: 2rem;
    opacity: 0.95;
}

/* Categories Section */
.categories-section {
    padding: 4rem 0;
    background: var(--dark);
    position: relative;
}

.categories-section .section-header {
    margin-bottom: 3rem;
}

.categories-section .section-header h2 {
    color: var(--white);
}

.categories-section .section-header p {
    color: var(--gray-300);
}

.categories-grid-wrapper {
    margin-top: 2rem;
}

.categories-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 2rem;
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 2rem;
}

.category-card-item {
    width: 100%;
}

.category-card {
    background: var(--dark-secondary);
    border-radius: 1rem;
    overflow: hidden;
    border: 1px solid rgba(255, 255, 255, 0.1);
    transition: all 0.3s;
    height: 100%;
    display: flex;
    flex-direction: column;
}

.category-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-xl);
    border-color: var(--primary);
}

.category-header {
    padding: 1.5rem;
    text-align: center;
    background: linear-gradient(135deg, var(--gradient-from, var(--primary)) 0%, var(--gradient-to, var(--secondary)) 100%);
    position: relative;
}

.category-header::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.1);
    pointer-events: none;
}

.category-header h3 {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--white);
    margin: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
    position: relative;
    z-index: 1;
}

.category-header .category-description {
    font-size: 0.9rem;
    color: rgba(255, 255, 255, 0.95);
    margin: 0.75rem 0 0 0;
    text-shadow: 0 1px 2px rgba(0, 0, 0, 0.2);
    position: relative;
    z-index: 1;
}

.category-features {
    padding: 1.5rem;
    flex-grow: 1;
    background: var(--dark-secondary);
}

.category-features ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

.category-features li {
    padding: 0.75rem 0;
    color: var(--white);
    font-size: 0.95rem;
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-weight: 500;
    line-height: 1.6;
}

.category-features li i {
    color: var(--primary-light);
    font-size: 1rem;
    flex-shrink: 0;
}

.category-action-btn {
    width: calc(100% - 3rem);
    margin: 0 1.5rem 1.5rem;
    padding: 0.875rem;
    background: linear-gradient(135deg, var(--gradient-from, var(--primary)) 0%, var(--gradient-to, var(--secondary)) 100%);
    color: var(--white);
    border: none;
    border-radius: 0.5rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s;
    text-shadow: 0 1px 2px rgba(0, 0, 0, 0.2);
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}

.category-action-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 12px rgba(0, 0, 0, 0.2);
    filter: brightness(1.1);
}

/* Footer */
.shop-footer {
    background: var(--dark);
    color: var(--white);
    padding: 3rem 0 1.5rem;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    max-width: 1200px;
    margin: 0 auto 2rem;
    padding: 0 2rem;
}

.footer-section h4 {
    margin-bottom: 1rem;
    color: var(--white);
    font-size: 1.1rem;
    font-weight: 700;
}

.footer-section p,
.footer-section a {
    color: var(--gray-300);
    text-decoration: none;
    font-size: 0.95rem;
    line-height: 1.8;
    transition: color 0.2s;
}

.footer-section a:hover {
    color: var(--primary-light);
}

.footer-section ul {
    list-style: none;
}

.footer-section ul li {
    margin-bottom: 0.5rem;
}

.footer-bottom {
    text-align: center;
    padding-top: 1.5rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    color: var(--gray-400);
    font-size: 0.9rem;
}

.social-links {
    display: flex;
    flex-direction: row;
    flex-wrap: wrap;
    gap: 10px;
    margin-top: 1rem;
}

.social-link {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    color: var(--gray-300);
    text-decoration: none;
    padding: 0.75rem;
    border-radius: 0.5rem;
    transition: all 0.2s;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.social-link:hover {
    color: var(--white);
    background: rgba(255, 255, 255, 0.1);
    transform: translateX(-5px);
}

.social-link svg {
    width: 20px;
    height: 20px;
}

/* Container */
.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 2rem;
}

/* Responsive */
@media (max-width: 1200px) {
    .categories-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

@media (max-width: 768px) {
    .header-content {
        flex-direction: column;
        gap: 1rem;
        padding: 1rem;
    }
    
    .main-nav {
        flex-wrap: wrap;
        justify-content: center;
    }
    
    .hero-content h1 {
        font-size: 2rem;
    }
    
    .hero-content p {
        font-size: 1rem;
    }
    
    .section-header h2 {
        font-size: 2rem;
    }
    
    .features-grid,
    .services-grid {
        grid-template-columns: 1fr;
    }
    
    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .categories-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 1.5rem;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    .hero-content h1 {
        font-size: 1.75rem;
    }
    
    .btn-hero {
        width: 100%;
        justify-content: center;
    }
    
    .stats-grid {
        grid-template-columns: 1fr;
    }
    
    .categories-grid {
        grid-template-columns: 1fr;
    }
}