.methodology-tabs {
    background: var(--white-color);
    border-radius: 15px;
    padding: 20px;
    margin-top: -30px;
    position: relative;
    z-index: 10;
    box-shadow: 0 10px 30px rgba(0,0,0,0.1);
}

.nav-tabs {
    border-bottom: 2px solid #eee;
}

.nav-tabs .nav-link {
    border: none;
    color: var(--body-color);
    font-weight: 600;
    padding: 15px 25px;
    margin: 0 5px;
    border-radius: 10px 10px 0 0;
}

.nav-tabs .nav-link.active {
    background: var(--theme-color);
    color: white;
    border-bottom: 3px solid var(--theme-color);
}

.tab-content-area {
    background: var(--white-color);
    border-radius: 0 0 15px 15px;
    padding: 40px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.08);
    margin-bottom: 40px;
}

.methodology-card {
    background: #f8f9fa;
    border-radius: 12px;
    padding: 30px;
    margin-bottom: 30px;
    border-right: 4px solid var(--theme-color);
}

.methodology-title {
    font-size: 24px;
    font-weight: 600;
    color: var(--title-color);
    margin-bottom: 20px;
}

.formula-box {
    background: white;
    border-radius: 10px;
    padding: 25px;
    text-align: center;
    border: 2px dashed var(--theme-color);
    margin: 25px 0;
}

.formula-text {
    font-size: 20px;
    font-weight: 700;
    color: var(--theme-color);
    margin: 15px 0;
}

.criteria-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
    margin-top: 25px;
}


.criteria-item {
    background: white;
    border-radius: 10px;
    padding: 20px;
    text-align: center;
    border: 1px solid #eee;
}

.criteria-icon {
    width: 60px;
    height: 60px;
    background: var(--theme-color);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 15px;
    color: white;
    font-size: 24px;
}

.steps-container {
    display: flex;
    flex-direction: column;
    gap: 15px;
    margin-top: 25px;
}

.step-item {
    display: flex;
    align-items: center;
    gap: 15px;
    padding: 15px;
    background: white;
    border-radius: 10px;
    border: 1px solid #eee;
}

.step-number {
    width: 40px;
    height: 40px;
    background: var(--theme-color);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
    flex-shrink: 0;
}

@media (max-width: 768px) {
    
    .tab-content-area {
        padding: 25px 20px;
    }
    
    .nav-tabs .nav-link {
        padding: 12px 15px;
        font-size: 14px;
    }
    
    .criteria-grid {
        grid-template-columns: 1fr;
    }
    
    .step-item {
        flex-direction: column;
        text-align: center;
    }
}