:root {
    --bg-gradient-start: #f9f4ee;
    --bg-gradient-end: #eef3f8;
    --ink: #1b1f2a;
    --soft-ink: #6a7286;
    --accent: #b1423f;
    --card-shadow: 0 16px 30px rgba(26, 33, 56, 0.08);
}

.catalog-body {
    background: radial-gradient(circle at 15% 20%, rgba(177, 66, 63, 0.08), transparent 35%),
                linear-gradient(135deg, var(--bg-gradient-start), var(--bg-gradient-end));
    color: var(--ink);
    font-family: "Manrope", "Segoe UI", sans-serif;
    min-height: 100vh;
}

.catalog-header {
    backdrop-filter: blur(10px);
    background: rgba(255, 255, 255, 0.85);
    border-bottom: 1px solid rgba(17, 24, 39, 0.08);
}

.catalog-brand {
    align-items: center;
    display: inline-flex;
    font-family: "Cormorant Garamond", serif;
    font-size: 2rem;
    gap: 0.55rem;
    letter-spacing: 0.04em;
    color: var(--ink);
}

.catalog-brand-logo {
    height: 2.15rem;
    width: auto;
}

.navbar .nav-link {
    color: var(--soft-ink);
    font-weight: 600;
}

.navbar .nav-link.active,
.navbar .nav-link:hover {
    color: var(--ink);
}

.display-title {
    font-family: "Cormorant Garamond", serif;
    font-size: clamp(2rem, 4vw, 3rem);
    letter-spacing: 0.02em;
}

.catalog-card {
    background: #fff;
    border: 1px solid rgba(17, 24, 39, 0.08);
    border-radius: 1rem;
    overflow: hidden;
    box-shadow: var(--card-shadow);
    transition: transform 0.25s ease, box-shadow 0.25s ease;
    animation: card-in 0.5s ease both;
}

.catalog-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 20px 34px rgba(26, 33, 56, 0.12);
}

.catalog-card-image-wrap {
    aspect-ratio: 1 / 1;
    overflow: hidden;
    background: #f0f2f8;
    display: flex;
    align-items: center;
    justify-content: center;
}

.catalog-card-image-wrap.small {
    aspect-ratio: 1 / 1;
}

.catalog-card-image {
    aspect-ratio: 1 / 1;
    width: auto;
    height: auto;
    max-width: 100%;
    max-height: 100%;
    object-fit: contain;
    display: block;
    margin: auto;
}

.product-list-image-wrap {
    aspect-ratio: 1 / 1;
    overflow: hidden;
}

.product-list-image {
    width: auto;
    height: auto;
    max-width: 100%;
    max-height: 100%;
    object-fit: contain;
    display: block;
}

.sku-badge {
    display: inline-block;
    background: #111827;
    color: #fff;
    border-radius: 999px;
    padding: 0.25rem 0.75rem;
    font-size: 0.78rem;
    font-weight: 700;
    letter-spacing: 0.05em;
}

.sku-highlight {
    display: inline-block;
    font-weight: 800;
    font-size: 1rem;
    letter-spacing: 0.08em;
    background: #111827;
    color: #fff;
    padding: 0.45rem 0.8rem;
    border-radius: 0.5rem;
}

.price-highlight {
    display: inline-block;
    font-weight: 700;
    font-size: 1rem;
    letter-spacing: 0.04em;
    background: #fff;
    color: #111827;
    border: 1px solid rgba(17, 24, 39, 0.15);
    padding: 0.45rem 0.8rem;
    border-radius: 0.5rem;
}

.detail-main-image-wrap {
    border-radius: 1rem;
    border: 1px solid rgba(17, 24, 39, 0.08);
    background: #f0f2f8;
    padding: 0.25rem;
}

.detail-main-image {
    width: 100%;
    height: auto;
    object-fit: contain;
    display: block;
}

.gallery-thumb {
    width: 100%;
    height: auto;
    object-fit: contain;
}

.gallery-thumb-btn {
    display: block;
}

.gallery-thumb-btn.active .gallery-thumb {
    border-color: var(--accent) !important;
    box-shadow: 0 0 0 2px rgba(177, 66, 63, 0.2);
}

.detail-spec-card {
    border: 1px solid rgba(17, 24, 39, 0.08);
    border-radius: 0.8rem;
    padding: 1rem;
    background: rgba(255, 255, 255, 0.85);
}

.detail-description-card {
    border: 1px solid rgba(17, 24, 39, 0.08);
    border-radius: 0.8rem;
    padding: 1.25rem;
    background: rgba(255, 255, 255, 0.9);
}

@keyframes card-in {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}