.calc-page {
    padding-top: 140px;
    padding-bottom: var(--space-4xl);
}

.calc-page__header {
    text-align: center;
    margin-bottom: var(--space-3xl);
}

.calc-page__title {
    font-size: clamp(2rem, 5vw, 3.5rem);
    background: var(--accent-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    margin-bottom: var(--space-sm);
}

.calc-page__subtitle {
    color: var(--text-secondary);
    font-size: var(--fs-lg);
}

/* Layout */
.calc-grid {
    display: flex;
    gap: var(--space-3xl);
    align-items: flex-start;
}

.calc-options {
    flex: 1;
}

.calc-summary-wrapper {
    width: 350px;
    position: sticky;
    top: calc(var(--nav-height) + var(--space-xl));
}

@media (max-width: 900px) {
    .calc-grid {
        flex-direction: column-reverse;
    }
    .calc-summary-wrapper {
        width: 100%;
        position: static;
        margin-bottom: var(--space-2xl);
    }
}

/* Sections */
.calc-section__title {
    font-size: var(--fs-xl);
    margin-bottom: var(--space-xl);
    color: var(--text-primary);
}
.calc-section__title .req {
    color: var(--accent-primary);
}

/* Cards */
.calc-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--space-md);
}

.calc-cards--addons {
    grid-template-columns: 1fr;
}

.calc-card {
    background: rgba(255, 255, 255, 0.02);
    border: 2px solid var(--border-glass);
    border-radius: var(--radius-lg);
    padding: var(--space-xl);
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    flex-direction: column;
}

.calc-card:hover {
    border-color: rgba(255, 255, 255, 0.15);
    transform: translateY(-2px);
}

.calc-card.active {
    background: rgba(99, 102, 241, 0.05);
    border-color: var(--accent-primary);
}

.calc-card__price {
    font-weight: 700;
    font-size: var(--fs-lg);
    color: var(--accent-primary-light);
    margin-bottom: var(--space-md);
}

.calc-card__title {
    font-size: var(--fs-lg);
    margin-bottom: var(--space-xs);
    color: var(--text-primary);
}

.calc-card__desc {
    font-size: var(--fs-sm);
    color: var(--text-secondary);
    line-height: 1.5;
}

/* Addon Cards specific */
.calc-card--addon {
    flex-direction: row;
    align-items: center;
    padding: var(--space-md) var(--space-lg);
    gap: var(--space-md);
}

.calc-card--addon .calc-card__price {
    margin-bottom: 0;
    margin-left: auto;
    font-size: var(--fs-md);
    white-space: nowrap;
}

.calc-card__check {
    width: 24px;
    height: 24px;
    border-radius: 6px;
    border: 2px solid var(--border-glass);
    display: flex;
    align-items: center;
    justify-content: center;
    color: transparent;
    transition: all 0.2s;
}

.calc-card.active .calc-card__check {
    background: var(--accent-primary);
    border-color: var(--accent-primary);
    color: white;
}

/* Summary Box */
.calc-summary {
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid var(--border-glass);
    border-radius: var(--radius-lg);
    padding: var(--space-xl);
    backdrop-filter: blur(12px);
}

.calc-summary__title {
    font-size: var(--fs-lg);
    margin-bottom: var(--space-md);
    padding-bottom: var(--space-md);
    border-bottom: 1px solid var(--border-glass);
}

.calc-summary__list {
    list-style: none;
    padding: 0;
    margin: 0 0 var(--space-xl) 0;
}

.calc-summary__empty {
    color: var(--text-muted);
    font-style: italic;
    font-size: var(--fs-sm);
}

.summary-item {
    display: flex;
    justify-content: space-between;
    margin-bottom: var(--space-sm);
    font-size: var(--fs-sm);
    color: var(--text-secondary);
}

.summary-item strong {
    color: var(--text-primary);
}

.calc-summary__total {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: var(--space-md);
    border-top: 1px solid var(--border-glass);
    font-size: var(--fs-lg);
}

.calc-summary__total strong {
    font-size: var(--fs-xl);
    color: var(--accent-primary-light);
}
/* Inquiry Form Styling - Forced Dark Theme */
.calc-form .form-group {
    display: flex;
    flex-direction: column;
    gap: var(--space-xs);
    margin-bottom: var(--space-md);
}

.calc-form .calc-label {
    font-size: var(--fs-sm);
    font-weight: 600;
    color: var(--text-accent);
    margin-bottom: 6px;
    letter-spacing: 0.05em;
    text-transform: uppercase;
}

.calc-form .calc-input {
    background: #111827 !important; /* Solid dark background */
    border: 1px solid rgba(255, 255, 255, 0.1) !important;
    border-radius: var(--radius-md) !important;
    padding: 16px 20px !important;
    color: #fff !important;
    font-size: var(--fs-base) !important;
    font-family: var(--font-body);
    width: 100% !important;
    transition: all 0.3s ease !important;
    outline: none !important;
    box-shadow: inset 0 2px 4px rgba(0, 0, 0, 0.2);
}

.calc-form .calc-input::placeholder {
    color: rgba(255, 255, 255, 0.3) !important;
}

.calc-form .calc-input:hover {
    border-color: rgba(255, 255, 255, 0.25) !important;
    background: #1f2937 !important;
}

.calc-form .calc-input:focus {
    background: #0a0e1a !important;
    border-color: var(--accent-primary) !important;
    box-shadow: 0 0 0 4px rgba(99, 102, 241, 0.15), 0 0 20px rgba(99, 102, 241, 0.2) !important;
}

.calc-form .calc-textarea {
    min-height: 150px;
    resize: vertical;
}

.calc-submit {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-sm);
    padding: 16px;
    border-radius: var(--radius-full);
    font-weight: 700;
    width: 100%;
    margin-top: var(--space-md);
    background: var(--accent-gradient);
    color: #fff;
    transition: all var(--transition-base);
    border: none;
    cursor: pointer;
}

.calc-submit:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(99, 102, 241, 0.4);
    background: var(--accent-gradient-hover);
}

.calc-submit:active {
    transform: translateY(0);
}

.form-status {
    text-align: center;
    font-size: var(--fs-sm);
    min-height: 20px;
}

.form-status.success {
    color: #10b981;
}

.form-status.error {
    color: #ef4444;
}