:root {
        --primary-dark: #0a0e17;
        --secondary-dark: #1a1f2e;
        --accent-blue: #2563eb;
        --accent-green: #10b981;
        --accent-red: #ef4444;
        --text-primary: #f1f5f9;
        --text-secondary: #94a3b8;
        --sidebar-width: 260px;
        --sidebar-collapsed: 90px;
        --transition-speed: 0.3s;
    }

    /* استایل‌های اصلی صفحه */
    .training-hero {
        background: linear-gradient(135deg, var(--primary-dark) 0%, var(--secondary-dark) 50%, #16213e 100%);
        padding: 120px 0 60px 0;
        text-align: center;
        border-bottom: 1px solid rgba(37, 99, 235, 0.2);
        margin-top: -20px;
    }
    
    .training-hero h1 { 
        font-size: 2.8rem;
        margin-bottom: 20px;
        background: linear-gradient(135deg, var(--accent-blue), var(--accent-green));
        -webkit-background-clip: text;
        -webkit-text-fill-color: transparent;
        background-clip: text;
        font-weight: bold;
    } 
    
    .training-hero p {
        font-size: 1.2rem;
        color: var(--text-secondary);
        max-width: 800px;
        margin: 0 auto 30px auto;
        line-height: 1.6;
    }
    
    /* استایل‌های کارت پکیج‌های آموزشی */
    .courses-section {
        padding: 50px 20px;
    }
    
    .courses-container {
        display: grid;
        grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
        gap: 30px;
        max-width: 1200px;
        margin: 0 auto;
    }
    
    .course-card {
        background: var(--secondary-dark);
        border-radius: 16px;
        border: 1px solid #2d3748;
        padding: 30px;
        transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        cursor: pointer;
        position: relative;
        overflow: hidden;
        height: 100%;
        display: flex;
        flex-direction: column;
    }
    
    .course-card:hover {
        transform: translateY(-8px);
        box-shadow: 0 20px 40px rgba(37, 99, 235, 0.2);
        border-color: var(--accent-blue);
    }
    
    .course-card:hover::before {
        content: '';
        position: absolute;
        top: 0;
        right: 0;
        bottom: 0;
        left: 0;
        background: radial-gradient(
            circle at center,
            rgba(37, 99, 235, 0.05) 0%,
            transparent 70%
        );
        opacity: 1;
        z-index: 1;
        pointer-events: none;
    }
    
    .course-badge {
        position: absolute;
        top: 20px;
        left: 20px;
        background: linear-gradient(135deg, var(--accent-green), #34d399);
        color: #000;
        padding: 5px 12px;
        border-radius: 20px;
        font-size: 0.8rem;
        font-weight: bold;
        z-index: 3;
    }
    
    .course-icon {
        font-size: 3rem;
        margin-bottom: 20px;
        color: var(--accent-blue);
        opacity: 0.9;
        transition: all 0.3s ease;
        position: relative;
        z-index: 3;
    }
    
    .course-card:hover .course-icon {
        transform: scale(1.1) translateY(-5px);
        color: var(--accent-blue);
    }
    
    .course-title {
        font-size: 1.5rem;
        margin-bottom: 15px;
        color: var(--text-primary);
        position: relative;
        z-index: 3;
    }
    
    .course-description {
        color: var(--text-secondary);
        margin-bottom: 20px;
        line-height: 1.6;
        flex-grow: 1;
        position: relative;
        z-index: 3;
    }
    
    .course-features {
        list-style: none;
        padding: 0;
        margin: 0 0 25px 0;
        position: relative;
        z-index: 3;
    }
    
    .course-features li {
        padding: 8px 0;
        color: var(--text-secondary);
        position: relative;
        padding-right: 25px;
    }
    
    .course-features li::before {
        content: '✓';
        position: absolute;
        right: 0;
        color: var(--accent-green);
        font-weight: bold;
    }
    
    .course-meta {
        display: flex;
        justify-content: space-between;
        align-items: center;
        margin-bottom: 20px;
        padding-top: 15px;
        border-top: 1px solid #2d3748;
        position: relative;
        z-index: 3;
    }
    
    .course-duration, .course-level {
        display: flex;
        align-items: center;
        gap: 5px;
        color: var(--text-secondary);
        font-size: 0.9rem;
        background: rgba(255, 255, 255, 0.05);
        padding: 5px 10px;
        border-radius: 20px;
    }
    
    .course-price {
        font-size: 1.8rem;
        font-weight: bold;
        margin-bottom: 20px;
        color: var(--accent-green);
        position: relative;
        z-index: 3;
    }
    
    .course-price.free {
        color: var(--accent-green);
    }
    
    .course-price .original-price {
        font-size: 1rem;
        color: var(--text-secondary);
        text-decoration: line-through;
        margin-left: 10px;
    }

    .subscription-badge {
        background: linear-gradient(135deg, #f97316, #fb923c);
        color: white;
        padding: 4px 10px;
        border-radius: 12px;
        font-size: 0.8rem;
        font-weight: bold;
        margin-right: 10px;
    }
    
    .cta-button {
        display: block;
        width: 100%;
        padding: 12px 20px;
        background: linear-gradient(135deg, var(--accent-green), #34d399);
        color: #000;
        text-align: center;
        text-decoration: none;
        border-radius: 10px;
        font-weight: bold;
        transition: all 0.3s ease;
        border: none;
        cursor: pointer;
        font-size: 1rem;
        margin-top: auto;
        position: relative;
        z-index: 10;
    }
    
    .cta-button:hover {
        background: linear-gradient(135deg, #34d399, var(--accent-green));
        transform: translateY(-2px);
        box-shadow: 0 5px 15px rgba(16, 185, 129, 0.3);
    }
    
    /* استایل‌های بخش ویژگی‌ها */
    .features-section {
        background: var(--primary-dark);
        padding: 80px 20px;
        margin-top: 50px;
        border-top: 1px solid #2d3748;
    }
    
    .features-grid {
        display: grid;
        grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
        gap: 30px;
        max-width: 1200px;
        margin: 0 auto;
    }
    
    .feature-card {
        background: var(--secondary-dark);
        padding: 30px;
        border-radius: 16px;
        text-align: center;
        border: 1px solid #2d3748;
        transition: all 0.3s ease;
    }
    
    .feature-card:hover {
        transform: translateY(-5px);
        border-color: var(--accent-blue);
        box-shadow: 0 10px 20px rgba(37, 99, 235, 0.1);
    }
    
    .feature-icon {
        font-size: 2.5rem;
        color: var(--accent-blue);
        margin-bottom: 20px;
    }
    
    .feature-title {
        color: var(--text-primary);
        margin-bottom: 15px;
        font-size: 1.2rem;
    }
    
    .feature-description {
        color: var(--text-secondary);
        line-height: 1.6;
    }
    
    /* لینک کارت */
    .course-card-link {
        display: block;
        text-decoration: none;
        color: inherit;
        height: 100%;
    }
    
    /* استایل اسکرول بار - یکسان با صفحه اصلی */
    ::-webkit-scrollbar {
        width: 8px;
    }
    
    ::-webkit-scrollbar-track {
        background: var(--secondary-dark);
    }
    
    ::-webkit-scrollbar-thumb {
        background: var(--accent-blue);
        border-radius: 4px;
    }
    
    /* رسپانسیو موبایل - هماهنگ با صفحه اصلی */
    @media (max-width: 768px) {
        body {
            overflow-x: hidden;
        }
        
        .main-content {
            width: 100%;
            padding: 20px 15px;
        }
        
        .training-hero {
            padding: 100px 15px 40px 15px;
            margin-top: -20px;
        }
        
        .training-hero h1 {
            font-size: 2rem;
        }
        
        .training-hero p {
            font-size: 1rem;
            padding: 0 15px;
        }
        
        .courses-section {
            padding: 30px 15px;
        }
        
        .courses-container {
            grid-template-columns: 1fr;
            gap: 20px;
        }
        
        .course-card {
            padding: 20px;
            min-height: auto;
        }
        
        .course-card:active {
            transform: scale(0.98);
        }
        
        .course-title {
            font-size: 1.3rem;
        }
        
        .course-icon {
            font-size: 2.5rem;
        }
        
        .course-meta {
            flex-direction: column;
            gap: 10px;
            align-items: flex-start;
        }
        
        .course-duration, .course-level {
            width: 100%;
            justify-content: center;
        }
        
        .features-section {
            padding: 50px 15px;
        }
        
        .features-grid {
            gap: 20px;
        }
        
        .feature-card {
            padding: 20px;
        }
    }
    
    @media (max-width: 576px) {
        .training-hero h1 {
            font-size: 1.8rem;
        }
        
        .course-price {
            font-size: 1.5rem;
        }
        
        .course-price .original-price {
            font-size: 0.9rem;
        }
        
        .cta-button {
            padding: 10px;
            font-size: 0.9rem;
        }
        
        .course-badge {
            font-size: 0.7rem;
            padding: 4px 8px;
        }
    }
    
    /* بهبود تعامل تاچ در موبایل */
    @media (max-width: 768px) {
        .course-card {
            -webkit-tap-highlight-color: transparent;
            user-select: none;
        }
        
        .cta-button {
            -webkit-tap-highlight-color: transparent;
        }
    }
    
    /* انیمیشن‌های اسکرول */
    .course-card {
        opacity: 0;
        transform: translateY(30px);
        transition: opacity 0.6s ease, transform 0.6s ease, box-shadow 0.3s ease, border-color 0.3s ease;
    }
    
    .course-card.visible {
        opacity: 1;
        transform: translateY(0);
    }