.calc-wrapper {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
}

.calc-form {
    background: var(--bg-card);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 16px;
    padding: 2rem;
    transition: all 0.3s ease;
}

.calc-form:hover {
    border-color: rgba(0, 240, 255, 0.3);
}

.calc-step {
    margin-bottom: 2rem;
    padding-bottom: 2rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.calc-step:last-of-type {
    border-bottom: none;
    margin-bottom: 1.5rem;
}

.calc-step h3 {
    margin-bottom: 1.5rem;
    color: var(--neon-cyan);
    font-family: 'Space Grotesk', sans-serif;
    font-weight: 600;
}

.calc-options {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.calc-option {
    cursor: pointer;
}

.calc-option input {
    display: none;
}

.calc-option-content {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1rem;
    background: var(--gray-800);
    border: 2px solid rgba(255, 255, 255, 0.1);
    border-radius: 12px;
    transition: all 0.3s ease;
}

.calc-option input:checked + .calc-option-content {
    border-color: var(--neon-cyan);
    background: rgba(0, 240, 255, 0.1);
    box-shadow: var(--shadow-glow);
}

.calc-option-icon {
    font-size: 2rem;
    color: var(--neon-cyan);
}

.calc-option-title {
    font-weight: 600;
    flex: 1;
}

.calc-option-desc {
    color: var(--gray-400);
    font-size: 0.9rem;
}

.calc-inputs {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.calc-input-group {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.calc-input-group label {
    font-weight: 500;
    color: var(--gray-300);
}

.calc-input-group input[type="range"] {
    width: 100%;
    height: 8px;
    border-radius: 4px;
    background: var(--gray-700);
    appearance: none;
    cursor: pointer;
    outline: none;
}

.calc-input-group input[type="range"]::-webkit-slider-thumb {
    appearance: none;
    width: 24px;
    height: 24px;
    border-radius: 50%;
    background: var(--neon-cyan);
    cursor: pointer;
    box-shadow: 0 0 10px rgba(0, 240, 255, 0.5);
    transition: all 0.3s ease;
}

.calc-input-group input[type="range"]::-webkit-slider-thumb:hover {
    transform: scale(1.1);
    box-shadow: 0 0 15px rgba(0, 240, 255, 0.8);
}

.calc-input-group input[type="range"]::-moz-range-thumb {
    width: 24px;
    height: 24px;
    border-radius: 50%;
    background: var(--neon-cyan);
    cursor: pointer;
    border: none;
    box-shadow: 0 0 10px rgba(0, 240, 255, 0.5);
}

.calc-range-value {
    text-align: right;
    font-family: 'Space Grotesk', sans-serif;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--neon-cyan);
}

.calc-checkboxes {
    display: flex;
    gap: 2rem;
}

.calc-checkbox {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    cursor: pointer;
}

.calc-checkbox input {
    width: 20px;
    height: 20px;
    accent-color: var(--neon-cyan);
    cursor: pointer;
}

.calc-contacts {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.calc-contacts input {
    background: var(--gray-800);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 8px;
    padding: 1rem;
    color: var(--white);
    font-size: 1rem;
    font-family: inherit;
    transition: all 0.3s ease;
}

.calc-contacts input:focus {
    outline: none;
    border-color: var(--neon-cyan);
    box-shadow: 0 0 0 3px rgba(0, 240, 255, 0.1);
}

.calc-contacts input::placeholder {
    color: var(--gray-500);
}

.calc-result {
    background: var(--bg-card);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 16px;
    padding: 2rem;
    position: sticky;
    top: 100px;
    max-height: calc(100vh - 120px);
    overflow-y: auto;
}

.calc-result h3 {
    margin-bottom: 1.5rem;
    color: var(--neon-cyan);
    font-family: 'Space Grotesk', sans-serif;
    font-weight: 600;
}

.calc-result-placeholder {
    color: var(--gray-500);
    text-align: center;
    padding: 2rem;
}

.result-cost {
    text-align: center;
    margin-bottom: 2rem;
    padding: 2rem;
    background: linear-gradient(135deg, rgba(0,240,255,0.1), rgba(0,255,65,0.05));
    border-radius: 12px;
    border: 1px solid rgba(0, 240, 255, 0.2);
}

.result-cost-value {
    font-family: 'Space Grotesk', sans-serif;
    font-size: 3rem;
    font-weight: 700;
    color: var(--neon-cyan);
    line-height: 1;
}

.result-cost-usd {
    color: var(--gray-400);
    margin-top: 0.5rem;
    font-size: 1.1rem;
}

.result-details {
    display: grid;
    gap: 1rem;
    margin-bottom: 2rem;
}

.result-detail {
    display: flex;
    justify-content: space-between;
    padding: 0.8rem 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.result-detail-label {
    color: var(--gray-400);
}

.result-detail-value {
    font-weight: 600;
    color: var(--white);
}

.result-components {
    margin-bottom: 2rem;
}

.result-components h4 {
    margin-bottom: 1rem;
    color: var(--gray-300);
    font-weight: 600;
}

.result-components ul {
    list-style: none;
    padding: 0;
}

.result-components li {
    padding: 0.5rem 0;
    padding-left: 1.5rem;
    position: relative;
    color: var(--gray-400);
}

.result-components li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 8px;
    height: 8px;
    background: var(--neon-cyan);
    border-radius: 50%;
}

.result-note {
    font-size: 0.85rem;
    color: var(--gray-500);
    text-align: center;
    padding-top: 1rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    line-height: 1.5;
}

@media (max-width: 1024px) {
    .calc-wrapper {
        grid-template-columns: 1fr;
    }
    
    .calc-result {
        position: static;
        max-height: none;
    }
}

@media (max-width: 768px) {
    .calc-checkboxes {
        flex-direction: column;
        gap: 1rem;
    }
    
    .calc-form {
        padding: 1.5rem;
    }
    
    .calc-result {
        padding: 1.5rem;
    }
}