/* Calculator Section Styles */
.calculators-section {
    padding: 5rem 0;
    background-color: var(--bg-color);
    min-height: 100vh;
}

.calculators-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

.section-header {
    text-align: center;
    margin-bottom: 4rem;
}

.section-title {
    font-size: 2.5rem;
    color: var(--primary-color);
    margin-bottom: 1rem;
    font-weight: 700;
}

.section-subtitle {
    font-size: 1.1rem;
    color: var(--text-color);
    opacity: 0.8;
    max-width: 600px;
    margin: 0 auto;
}

.calculator-buttons {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-top: 2rem;
}

.calculator-btn {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 2.5rem 1.5rem;
    border-radius: 16px;
    text-decoration: none;
    color: white;
    transition: all 0.3s ease;
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1);
    text-align: center;
    min-height: 200px;
}

.calculator-btn i {
    font-size: 2.5rem;
    margin-bottom: 1.5rem;
}

.calculator-btn span {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
}

.calculator-btn p {
    font-size: 0.9rem;
    opacity: 0.9;
    margin: 0;
}

/* Button Colors */
.calculator-btn.tdee {
    background: linear-gradient(135deg, #4361ee 0%, #3a0ca3 100%);
}

.calculator-btn.bmi {
    background: linear-gradient(135deg, #4cc9f0 0%, #4895ef 100%);
}

.calculator-btn.bmr {
    background: linear-gradient(135deg, #f72585 0%, #b5179e 100%);
}

.calculator-btn.calorie {
    background: linear-gradient(135deg, #7209b7 0%, #560bad 100%);
}

/* Hover Effects */
.calculator-btn:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.2);
}

/* Responsive Design */
@media (max-width: 768px) {
    .calculator-buttons {
        grid-template-columns: 1fr;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .calculator-btn {
        min-height: 180px;
        padding: 2rem 1rem;
    }
}