/* Heating Page Specific Styles */
/* Inherits from global variables */

.heating-container {
    padding-top: var(--space-xl);
    padding-bottom: 100px;
}

/* Layout Grid */
.heating-layout {
    display: grid;
    grid-template-columns: 250px 1fr;
    gap: var(--space-xl);
    align-items: start;
}

/* Mobile Responsiveness */
@media (max-width: 900px) {
    .heating-layout {
        grid-template-columns: 1fr;
    }
}

/* Sidebar Styles */
.heating-sidebar {
    position: sticky;
    top: 100px;
    /* Below navbar */
    padding-right: var(--space-md);
    border-right: 1px solid rgba(0, 0, 0, 0.05);
}

.filter-group {
    margin-bottom: var(--space-lg);
}

.filter-title {
    font-family: 'Playfair Display', serif;
    font-size: var(--text-h4);
    margin-bottom: var(--space-sm);
    color: var(--color-text-main);
}

.filter-list {
    list-style: none;
    padding: 0;
    margin: 0;
}

.filter-item {
    margin-bottom: var(--space-xs);
    font-size: var(--text-body-sm);
    /* 14px */
    color: var(--color-text-muted);
    cursor: pointer;
    transition: color 0.3s ease;
    display: flex;
    align-items: center;
    gap: 8px;
}

.filter-item:hover,
.filter-item.active {
    color: var(--color-accent);
}

.filter-item.active {
    font-weight: 500;
}

/* Checkbox style indicator */
.filter-checkbox {
    width: 14px;
    height: 14px;
    border: 1px solid var(--color-border);
    border-radius: 2px;
    display: inline-block;
}

.filter-item.active .filter-checkbox {
    background-color: var(--color-accent);
    border-color: var(--color-accent);
}


/* Product Grid */
.heating-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: var(--space-lg);
}

/* Product Card */
.heater-card {
    display: block;
    text-decoration: none;
    color: inherit;
    group: transition all 0.3s ease;
}

.heater-img-wrapper {
    position: relative;
    aspect-ratio: 4 / 3;
    /* Standard aspect ratio for heaters */
    overflow: hidden;
    background-color: #f5f5f5;
    margin-bottom: var(--space-sm);
}

.heater-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.6s ease;
}

.heater-card:hover .heater-img {
    transform: scale(1.05);
}

.heater-info {
    text-align: left;
}

.heater-series {
    font-size: var(--text-body-xs);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--color-text-muted);
    margin-bottom: 4px;
    display: block;
}

.heater-title {
    font-family: 'Playfair Display', serif;
    font-size: var(--text-h4);
    margin-bottom: var(--space-xs);
    color: var(--color-text-main);
}

.heater-specs {
    font-size: var(--text-body-xs);
    color: var(--color-text-muted);
}

.view-product-btn {
    margin-top: var(--space-sm);
    font-size: var(--text-body-sm);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    border-bottom: 1px solid transparent;
    display: inline-block;
    transition: border-color 0.3s;
}

.heater-card:hover .view-product-btn {
    border-bottom-color: var(--color-text-main);
}