/* ROI Calculator Styles */
.roi-calculator-section {
    background: linear-gradient(135deg, #0f172a 0%, #1e293b 100%);
    border-radius: 16px;
    padding: 3rem 2rem;
    box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    position: relative;
    overflow: hidden;
}

.roi-calculator-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: radial-gradient(circle at 50% 50%, rgba(16, 185, 129, 0.1) 0%, transparent 50%);
    pointer-events: none;
}

.range-slider-container {
    margin-bottom: 2rem;
}

.range-label {
    display: flex;
    justify-content: space-between;
    margin-bottom: 0.5rem;
    color: #cbd5e1;
    font-weight: 500;
}

.range-value {
    color: #10b981;
    font-weight: 700;
}

input[type=range] {
    -webkit-appearance: none;
    appearance: none;
    width: 100%;
    height: 8px;
    background: #334155;
    border-radius: 4px;
    outline: none;
    transition: background 0.3s;
}

input[type=range]::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 24px;
    height: 24px;
    background: #10b981;
    cursor: pointer;
    border-radius: 50%;
    box-shadow: 0 0 15px rgba(16, 185, 129, 0.5);
    transition: transform 0.2s;
}

input[type=range]::-webkit-slider-thumb:hover {
    transform: scale(1.1);
}

.roi-result-card {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 12px;
    padding: 2rem;
    text-align: center;
    backdrop-filter: blur(5px);
}

.roi-money {
    font-size: 3rem;
    font-weight: 800;
    color: #10b981;
    text-shadow: 0 0 20px rgba(16, 185, 129, 0.3);
    margin: 1rem 0;
}

.roi-savings-badge {
    background: rgba(16, 185, 129, 0.2);
    color: #10b981;
    padding: 0.5rem 1rem;
    border-radius: 9999px;
    font-size: 0.875rem;
    font-weight: 600;
    display: inline-block;
}