/* ==========================================================================
   COST CALCULATOR
   ========================================================================== */
.calculator-section {
    padding: 80px 20px;
    background-color: var(--color-bg-alt);
}

.calc-container {
    max-width: 800px;
    margin: 0 auto;
    background: white;
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-lg);
    padding: 40px;
    border: 1px solid var(--color-border);
}

.calc-step {
    margin-bottom: 30px;
    padding-bottom: 30px;
    border-bottom: 1px solid var(--color-border);
}

.calc-step:last-child {
    border-bottom: none;
    margin-bottom: 0;
    padding-bottom: 0;
}

.calc-step h3 {
    margin-bottom: 15px;
    color: var(--color-primary);
    font-size: 1.3rem;
}

/* Radio Button Group */
.radio-group {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 15px;
}

.radio-card {
    position: relative;
    border: 2px solid var(--color-border);
    border-radius: var(--border-radius);
    padding: 20px;
    text-align: center;
    cursor: pointer;
    transition: var(--transition);
}

.radio-card input[type="radio"] {
    position: absolute;
    opacity: 0;
    width: 0;
    height: 0;
}

.radio-icon {
    font-size: 2rem;
    color: var(--color-text-light);
    margin-bottom: 10px;
    transition: var(--transition);
}

.radio-label {
    font-weight: 600;
    color: var(--color-text);
    transition: var(--transition);
}

.radio-card:hover {
    border-color: rgba(255, 107, 0, 0.3);
}

.radio-card input[type="radio"]:checked + .radio-icon,
.radio-card input[type="radio"]:checked ~ .radio-label {
    color: var(--color-accent);
}

.radio-card.selected {
    border-color: var(--color-accent);
    background-color: rgba(255, 107, 0, 0.05);
}

/* Range Slider */
.range-wrapper {
    margin-top: 20px;
}

.range-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 10px;
}

.qm-value {
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--color-accent);
}

input[type=range] {
    -webkit-appearance: none;
    width: 100%;
    background: transparent;
}

input[type=range]::-webkit-slider-thumb {
    -webkit-appearance: none;
    height: 24px;
    width: 24px;
    border-radius: 50%;
    background: var(--color-accent);
    cursor: pointer;
    margin-top: -10px;
    box-shadow: 0 2px 6px rgba(255, 107, 0, 0.4);
}

input[type=range]::-webkit-slider-runnable-track {
    width: 100%;
    height: 4px;
    cursor: pointer;
    background: var(--color-border);
    border-radius: 2px;
}

input[type=range]:focus {
    outline: none;
}

/* Select Dropdown */
.select-wrapper {
    position: relative;
}

.select-wrapper::after {
    content: '▼';
    position: absolute;
    right: 15px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--color-text-light);
    pointer-events: none;
    font-size: 0.8rem;
}

select {
    width: 100%;
    padding: 15px;
    border: 2px solid var(--color-border);
    border-radius: var(--border-radius);
    font-size: 1rem;
    font-family: var(--font-primary);
    color: var(--color-text);
    background-color: white;
    appearance: none;
    cursor: pointer;
    transition: var(--transition);
}

select:focus {
    outline: none;
    border-color: var(--color-accent);
}

/* Result Area */
.calc-result-area {
    margin-top: 40px;
    padding: 30px;
    background: var(--color-primary);
    border-radius: var(--border-radius);
    color: white;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.result-loader {
    display: none;
    position: absolute;
    top: 0; left: 0; right: 0; bottom: 0;
    background: rgba(10, 37, 64, 0.9);
    z-index: 10;
    align-items: center;
    justify-content: center;
    flex-direction: column;
}

.result-loader.active {
    display: flex;
}

.spinner {
    width: 40px;
    height: 40px;
    border: 4px solid rgba(255, 255, 255, 0.3);
    border-top: 4px solid var(--color-accent);
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin-bottom: 10px;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

.result-title {
    font-size: 1.1rem;
    margin-bottom: 10px;
    color: rgba(255, 255, 255, 0.8);
}

.result-price {
    font-size: 3.5rem;
    font-weight: 800;
    color: var(--color-accent);
    font-family: var(--font-heading);
    margin-bottom: 20px;
    line-height: 1;
}

.result-benefits {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 15px;
    margin-bottom: 25px;
    text-align: left;
}

.benefit-item {
    background: rgba(255, 255, 255, 0.1);
    padding: 10px;
    border-radius: 8px;
    font-size: 0.9rem;
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
}

.benefit-item span.icon {
    color: var(--color-success);
    margin-bottom: 5px;
    font-size: 1.2rem;
}

.strike {
    text-decoration: line-through;
    color: rgba(255, 255, 255, 0.5);
    margin-right: 5px;
}

.free {
    color: var(--color-success);
    font-weight: 700;
}

.disclaimer-text {
    font-size: 0.8rem;
    color: rgba(255, 255, 255, 0.6);
    margin-top: 15px;
    line-height: 1.4;
}

@media (max-width: 768px) {
    .radio-group {
        grid-template-columns: 1fr;
    }
    .result-benefits {
        grid-template-columns: 1fr;
    }
    .result-price {
        font-size: 2.5rem;
    }
    .calc-container {
        padding: 20px;
    }
}