/* Premium CBT Exam Section */
#cbt-exam-section {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    position: relative;
    overflow: hidden;
    padding: 80px 0;
}

#cbt-exam-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 1440 320"><path fill="%23ffffff" fill-opacity="0.1" d="M0,96L48,112C96,128,192,160,288,160C384,160,480,128,576,122.7C672,117,768,139,864,154.7C960,171,1056,181,1152,165.3C1248,149,1344,107,1392,85.3L1440,64L1440,320L1392,320C1344,320,1248,320,1152,320C1056,320,960,320,864,320C768,320,672,320,576,320C480,320,384,320,288,320C192,320,96,320,48,320L0,320Z"></path></svg>') no-repeat bottom;
    background-size: cover;
}

#cbt-exam-section .section-title {
    color: white;
    text-shadow: 0 2px 10px rgba(0,0,0,0.2);
    margin-bottom: 40px;
}

.cbt-premium-card {
    background: white;
    max-width: 900px;
    margin: 0 auto;
    padding: 50px 40px;
    border-radius: 20px;
    box-shadow: 0 20px 60px rgba(0,0,0,0.3);
    position: relative;
    overflow: hidden;
    animation: slideUp 0.8s ease-out;
}

@keyframes slideUp {
    from {
        opacity: 0;
        transform: translateY(50px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.cbt-premium-card::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(102,126,234,0.1) 0%, transparent 70%);
    animation: rotate 20s linear infinite;
}

@keyframes rotate {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

.cbt-icon-wrapper {
    position: relative;
    display: inline-block;
    margin-bottom: 30px;
}

.cbt-icon-wrapper i {
    font-size: 80px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    animation: pulse 2s ease-in-out infinite;
}

.cbt-icon-wrapper::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 120px;
    height: 120px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border-radius: 50%;
    opacity: 0.1;
    z-index: -1;
}

.cbt-premium-card h4 {
    font-size: 32px;
    margin-bottom: 20px;
    color: #2c3e50;
    font-weight: 700;
}

.cbt-premium-card p {
    font-size: 18px;
    line-height: 1.8;
    color: #7f8c8d;
    margin-bottom: 30px;
}

.cbt-features {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 20px;
    margin: 30px 0;
}

.cbt-feature-item {
    display: flex;
    align-items: center;
    gap: 15px;
    padding: 15px;
    background: #f8f9fa;
    border-radius: 10px;
    transition: all 0.3s ease;
}

.cbt-feature-item:hover {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    transform: translateY(-5px);
}

.cbt-feature-item i {
    font-size: 24px;
    color: #667eea;
}

.cbt-feature-item:hover i {
    color: white;
}

.cbt-btn-premium {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    padding: 18px 40px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    border: none;
    border-radius: 50px;
    font-size: 18px;
    font-weight: 600;
    text-decoration: none;
    box-shadow: 0 10px 30px rgba(102,126,234,0.4);
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.cbt-btn-premium::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.3), transparent);
    transition: left 0.5s;
}

.cbt-btn-premium:hover::before {
    left: 100%;
}

.cbt-btn-premium:hover {
    transform: translateY(-3px) scale(1.05);
    box-shadow: 0 15px 40px rgba(102,126,234,0.6);
}

.cbt-btn-premium i {
    transition: transform 0.3s ease;
}

.cbt-btn-premium:hover i {
    transform: translateX(5px);
}

/* Responsive */
@media (max-width: 768px) {
    .cbt-premium-card {
        padding: 40px 25px;
    }
    
    .cbt-premium-card h4 {
        font-size: 24px;
    }
    
    .cbt-premium-card p {
        font-size: 16px;
    }
    
    .cbt-features {
        grid-template-columns: 1fr;
    }
}