/* Reset و فونت‌ها */
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        
        body {
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            background: #f5f9ff;
            color: #333;
            line-height: 1.6;
        }
        
        /* هدر صفحه */
        .hero {
            background: linear-gradient(135deg, #2A5C99, #4CAF50);
            color: white;
            text-align: center;
            padding: 3rem 1rem;
            margin-bottom: 2rem;
            position: relative;
            overflow: hidden;
        }
        
        .hero h1 {
            font-size: 2.5rem;
            margin-bottom: 1rem;
            position: relative;
            z-index: 2;
        }
        
        .hero h1 span {
            color: #FFD700;
        }
        
        .hero p {
            font-size: 1.2rem;
            opacity: 0.9;
            position: relative;
            z-index: 2;
        }
        
        /* شبکه سال‌ها */
        .years-container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 1rem;
        }
        
        .years-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
            gap: 2rem;
            margin-bottom: 3rem;
        }
        
        /* کارت هر سال */
        .year-card {
            background: white;
            border-radius: 15px;
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
            padding: 2rem;
            transition: all 0.3s ease;
            position: relative;
            overflow: hidden;
            border: 1px solid rgba(0, 0, 0, 0.05);
        }
        
        .year-card:hover {
            transform: translateY(-10px);
            box-shadow: 0 15px 35px rgba(0, 0, 0, 0.15);
        }
        
        .year-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 5px;
            height: 100%;
            background: linear-gradient(to bottom, #2A5C99, #4CAF50);
        }
        
        .year-card h3 {
            font-size: 1.5rem;
            margin-bottom: 1.5rem;
            color: #2A5C99;
            position: relative;
        }
        
        .year-card h3::after {
            content: '';
            position: absolute;
            bottom: -10px;
            right: 0;
            width: 50px;
            height: 3px;
            background: #4CAF50;
        }
        
        /* دکمه‌های دانلود */
        .download-buttons {
            display: flex;
            flex-direction: column;
            gap: 1rem;
        }
        
        .btn {
            display: flex;
            align-items: center;
            justify-content: center;
            padding: 0.8rem 1rem;
            border-radius: 8px;
            text-decoration: none;
            font-weight: 600;
            transition: all 0.3s ease;
            position: relative;
            overflow: hidden;
        }
        
        .btn i {
            margin-left: 8px;
            font-size: 1.1rem;
        }
        
        .btn::before {
            content: '';
            position: absolute;
            top: 0;
            left: -100%;
            width: 100%;
            height: 100%;
            background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
            transition: 0.5s;
        }
        
        .btn:hover::before {
            left: 100%;
        }
        
        .btn-analytical {
            background: #2A5C99;
            color: white;
        }
        
        .btn-speed {
            background: #3F51B5;
            color: white;
        }
        
        .btn-answers {
            background: #4CAF50;
            color: white;
        }
        
        .btn-video {
            background: #FF5722;
            color: white;
        }
        
        /* مودال ویدئو */
        .video-modal {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: rgba(0, 0, 0, 0.8);
            z-index: 1000;
            justify-content: center;
            align-items: center;
            animation: fadeIn 0.3s ease;
        }
        
        .modal-content {
            width: 90%;
            max-width: 900px;
            position: relative;
        }
        
        .modal-content iframe {
            width: 100%;
            height: 500px;
            border: none;
            border-radius: 10px;
        }
        
        .close-modal {
            position: absolute;
            top: -40px;
            right: 0;
            color: white;
            font-size: 1.5rem;
            cursor: pointer;
            transition: 0.3s;
        }
        
        .close-modal:hover {
            color: #FF5722;
        }
        
        /* فوتر */
        footer {
            background: #2A5C99;
            color: white;
            text-align: center;
            padding: 2rem;
            margin-top: 3rem;
        }
        
        /* انیمیشن‌ها */
        @keyframes fadeIn {
            from { opacity: 0; }
            to { opacity: 1; }
        }
        
        .year-card {
            animation: fadeIn 0.5s ease-in;
        }
        
        @keyframes float {
            0% { transform: translateY(0px); }
            50% { transform: translateY(-10px); }
            100% { transform: translateY(0px); }
        }
        
        /* ریسپانسیو */
        @media (max-width: 768px) {
            .hero h1 {
                font-size: 2rem;
            }
            
            .hero p {
                font-size: 1rem;
            }
            
            .years-grid {
                grid-template-columns: 1fr;
            }
            
            .modal-content iframe {
                height: 300px;
            }
        }


         /* استایل دکمه خانه */
    .home-button {
        position: fixed;
        top: 20px;
        right: 20px;
        background: linear-gradient(135deg, #4CAF50, #2A5C99);
        color: white;
        padding: 12px 20px;
        border-radius: 50px;
        text-decoration: none;
        font-weight: bold;
        display: flex;
        align-items: center;
        gap: 8px;
        box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
        z-index: 9999;
        transition: all 0.4s ease;
        border: 2px solid rgba(255, 255, 255, 0.3);
    }
    
    .home-button i {
        font-size: 1.2rem;
    }
    
    .home-button:hover {
        transform: translateY(-3px);
        box-shadow: 0 8px 20px rgba(0, 0, 0, 0.3);
        background: linear-gradient(135deg, #2A5C99, #4CAF50);
    }
    
    /* انیمیشن پالس */
    @keyframes pulse {
        0% { transform: scale(1); }
        50% { transform: scale(1.05); }
        100% { transform: scale(1); }
    }
    
    .home-button {
        animation: pulse 2s infinite;
    }
    
    /* ریسپانسیو */
    @media (max-width: 768px) {
        .home-button {
            top: 10px;
            right: 10px;
            padding: 10px 15px;
            font-size: 0.9rem;
        }
        
        .home-button span {
            display: none;
        }
        
        .home-button i {
            font-size: 1.3rem;
        }
    }


      /* استایل بخش محتوای آموزشی */
    .educational-content {
        background: #f9fbfe;
        padding: 4rem 0;
        border-top: 1px solid #e1e8f0;
    }
    
    .container {
        max-width: 1200px;
        margin: 0 auto;
        padding: 0 2rem;
    }
    
    .section-title {
        font-size: 2.2rem;
        color: #2A5C99;
        text-align: center;
        margin-bottom: 1rem;
        position: relative;
    }
    
    .section-title::after {
        content: '';
        display: block;
        width: 80px;
        height: 4px;
        background: #4CAF50;
        margin: 1rem auto;
        border-radius: 2px;
    }
    
    .section-subtitle {
        font-size: 1.2rem;
        color: #666;
        text-align: center;
        margin-bottom: 3rem;
    }
    
    .content-wrapper {
        display: grid;
        grid-template-columns: 1fr;
        gap: 2.5rem;
    }
    
    .content-box {
        background: white;
        border-radius: 12px;
        padding: 2rem;
        box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
        border: 1px solid #eaeaea;
        transition: transform 0.3s;
    }
    
    .content-box:hover {
        transform: translateY(-5px);
    }
    
    .content-box h3 {
        color: #2A5C99;
        font-size: 1.5rem;
        margin-bottom: 1.5rem;
        display: flex;
        align-items: center;
        gap: 10px;
    }
    
    .content-box p {
        line-height: 1.8;
        margin-bottom: 1.2rem;
        color: #444;
    }
    
    .content-box ul {
        padding-right: 1.5rem;
        margin-bottom: 1.5rem;
    }
    
    .content-box li {
        margin-bottom: 0.8rem;
        position: relative;
    }
    
    .content-box li::before {
        content: '•';
        color: #4CAF50;
        font-weight: bold;
        display: inline-block;
        width: 1em;
        margin-right: -1em;
    }
    
    .stats-box {
        display: flex;
        justify-content: space-around;
        flex-wrap: wrap;
        gap: 1.5rem;
        margin: 2rem 0;
    }
    
    .stat-item {
        background: #f0f7ff;
        border-radius: 10px;
        padding: 1.5rem;
        text-align: center;
        flex: 1;
        min-width: 120px;
    }
    
    .stat-value {
        display: block;
        font-size: 2.2rem;
        font-weight: bold;
        color: #2A5C99;
    }
    
    .stat-label {
        font-size: 0.9rem;
        color: #666;
    }
    
    .faq-item {
        margin-bottom: 2rem;
    }
    
    .faq-item h4 {
        color: #3F51B5;
        font-size: 1.2rem;
        margin-bottom: 0.8rem;
    }
    
    /* ریسپانسیو */
    @media (max-width: 768px) {
        .section-title {
            font-size: 1.8rem;
        }
        
        .content-box {
            padding: 1.5rem;
        }
        
        .stats-box {
            flex-direction: column;
        }
    }



    /* استایل بخش‌های خاص */
    .exam-structure {
        display: grid;
        grid-template-columns: 1fr 1fr;
        gap: 2rem;
        margin: 2rem 0;
    }
    
    .exam-part {
        background: #f0f7ff;
        border-radius: 10px;
        padding: 1.5rem;
        border-left: 4px solid #4CAF50;
    }
    
    .download-notice {
        background: #fff8e1;
        border-right: 4px solid #FFC107;
        padding: 1rem;
        margin: 1.5rem 0;
        display: flex;
        align-items: flex-start;
        gap: 10px;
    }
    
    .download-notice i {
        color: #FF9800;
        font-size: 1.2rem;
        margin-top: 2px;
    }
    
    .advice-box {
        background: #e8f5e9;
        border-radius: 8px;
        padding: 1.5rem;
        margin: 1.5rem 0;
    }
    
    /* ریسپانسیو */
    @media (max-width: 768px) {
        .section-title {
            font-size: 1.8rem;
        }
        
        .content-box {
            padding: 1.5rem;
        }
        
        .exam-structure {
            grid-template-columns: 1fr;
        }
    }