/* ============================================================
   KVM Joaillerie — Catalog CSS — White Page Design
   ============================================================ */

.kvm-catalog-page {
    padding-top: 80px;
    min-height: 100vh;
    background: #fff;
}

.kvm-catalog-header {
    padding: var(--space-lg) clamp(20px, 4vw, 64px) var(--space-sm);
}

.kvm-catalog-title {
    font-family: var(--serif);
    font-weight: 300;
    font-size: clamp(2.5rem, 6vw, 4rem);
    line-height: 0.95;
    letter-spacing: -0.02em;
    color: var(--ink);
}

/* — Filters — */
.kvm-filters {
    position: sticky;
    top: 76px;
    z-index: 50;
    background: rgba(255,255,255,0.92);
    backdrop-filter: blur(8px);
    display: flex;
    gap: var(--space-sm);
    padding: var(--space-sm) clamp(20px, 4vw, 64px);
    overflow-x: auto;
    scrollbar-width: none;
    border-bottom: 1px solid var(--page-border);
    border-top: 1px solid var(--page-border);
}
.kvm-filters::-webkit-scrollbar { display: none; }

.kvm-filter-btn {
    flex-shrink: 0;
    padding: 8px var(--space-sm);
    background: none;
    border: none;
    font-family: var(--sans);
    font-size: var(--cap);
    font-weight: 400;
    color: var(--page-muted);
    cursor: pointer;
    border-bottom: 2px solid transparent;
    transition: color var(--transition-fast), border-color var(--transition-fast);
    white-space: nowrap;
    text-transform: uppercase;
    letter-spacing: 0.18em;
}

.kvm-filter-btn:hover { color: var(--ink); }

.kvm-filter-btn.active {
    color: var(--ink);
    border-bottom-color: var(--emerald);
}

.kvm-filter-btn.disabled {
    opacity: 0.3;
    cursor: default;
    pointer-events: none;
}

/* — Product Grid — */
.kvm-product-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: clamp(20px, 2.4vw, 36px) clamp(16px, 2vw, 28px);
    padding: var(--space-md) clamp(20px, 4vw, 64px);
    max-width: 1440px;
    margin: 0 auto;
}

/* — Product Card — */
.kvm-card {
    display: block;
    cursor: pointer;
    color: var(--ink);
}

.kvm-card-img-wrap {
    position: relative;
    aspect-ratio: 4 / 5;
    overflow: hidden;
    background: var(--page-subtle-bg);
    border: 1px solid var(--page-border);
    border-radius: var(--radius-sm);
    margin-bottom: var(--space-sm);
}

.kvm-card-img-wrap img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 600ms var(--ease-cubic-soft);
}

.kvm-card:hover .kvm-card-img-wrap img {
    transform: scale(1.04);
}
.kvm-card:hover .kvm-card-img-wrap {
    border-color: rgba(20,36,30,0.25);
}

.kvm-card-name {
    font-family: var(--serif);
    font-size: 1.125rem;
    font-weight: 400;
    color: var(--ink);
    margin-bottom: 6px;
    line-height: 1.2;
}

.kvm-card-price {
    font-family: var(--sans);
    font-size: var(--body);
    color: var(--page-muted);
}

/* — Filter animation — */
.kvm-card {
    animation: kvm-fadein 200ms ease;
}

@keyframes kvm-fadein {
    from { opacity: 0; }
    to   { opacity: 1; }
}

.kvm-card.hidden {
    display: none;
}

/* — Collection switcher — */
.kvm-collection-switch {
    text-align: center;
    padding: var(--space-lg) var(--space-md);
    border-top: 1px solid var(--page-border);
    color: var(--page-muted);
    font-size: 13px;
}

.kvm-collection-switch a {
    color: var(--emerald);
    font-weight: var(--fw-medium);
    transition: opacity var(--transition-fast);
}
.kvm-collection-switch a:hover { opacity: 0.7; }

/* — No products — */
.kvm-no-products {
    text-align: center;
    padding: var(--space-xl);
    color: var(--page-muted);
    font-size: 15px;
}