/* =====================================================
   CATALOG PAGE CSS — Lotus Flower
   CSS dedicado exclusivamente para el catálogo de productos
   Paleta: vinotinto y dorado
   ===================================================== */

:root {
    --catalog-primary: #5B0E22;   /* vinotinto */
    --catalog-secondary: #7D1B36; /* vinotinto claro */
    --catalog-deep: #3A0815;      /* vinotinto profundo */
    --catalog-accent: #C9A24D;    /* dorado */
    --catalog-gold-light: #E6CC8A;
    --catalog-gold-dark: #8E6C24;
    --catalog-dark: #2A0A12;
    --catalog-light: #FFFBF8;
    --catalog-petal: #F8F0EE;
    --catalog-gray: #5E4A50;
    --catalog-line: rgba(201, 162, 77, 0.38);
    --catalog-heading: 'Bodoni Moda', 'Didot', Georgia, serif;
    --catalog-body: 'Jost', 'Avenir Next', system-ui, sans-serif;
}

/* ===================================
   CATALOG HERO
   =================================== */
.catalog-hero {
    position: relative;
    overflow: hidden;
    background: radial-gradient(120% 150% at 80% 0%, #7D1B36 0%, #5B0E22 45%, #3A0815 100%);
    color: #FFF6F0;
    padding: 96px 0 76px;
    margin-top: 80px;
    text-align: center;
}

.catalog-hero::before {
    content: '';
    position: absolute;
    left: 50%;
    bottom: -120px;
    width: 560px;
    height: 480px;
    transform: translateX(-50%);
    background: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='80 110 352 310' fill='none' stroke='%23E6CC8A' stroke-width='1.6' stroke-linejoin='round' stroke-linecap='round'%3E%3Cpath d='M256 338C176 336 118 296 92 238c68-6 130 32 164 100z'/%3E%3Cpath d='M256 338c80-2 138-42 164-100-68-6-130 32-164 100z'/%3E%3Cpath d='M256 336c-58-30-90-92-84-160 52 24 82 86 84 160z'/%3E%3Cpath d='M256 336c58-30 90-92 84-160-52 24-82 86-84 160z'/%3E%3Cpath d='M256 128c46 52 50 142 0 208-50-66-46-156 0-208z'/%3E%3Cpath d='M150 370q106 34 212 0M196 398q60 20 120 0'/%3E%3C/svg%3E") center / contain no-repeat;
    opacity: 0.12;
    pointer-events: none;
}

.catalog-hero .container { position: relative; }

.catalog-hero h1 {
    font-family: var(--catalog-heading);
    font-optical-sizing: auto;
    font-size: clamp(2.6rem, 5vw, 4.2rem);
    font-weight: 500;
    letter-spacing: -0.02em;
    line-height: 1.05;
    margin-bottom: 1.1rem;
}

.catalog-hero p {
    font-family: var(--catalog-body);
    font-size: 1.15rem;
    font-weight: 300;
    color: rgba(255, 246, 240, 0.84);
    max-width: 36em;
    margin: 0 auto;
}

/* ===================================
   FILTERS SECTION
   =================================== */
.catalog-filters {
    background: rgba(255, 251, 248, 0.97);
    backdrop-filter: blur(8px);
    padding: 1.6rem 0 1.4rem;
    border-bottom: 1px solid var(--catalog-line);
    position: sticky;
    top: 80px;
    z-index: 100;
}

.filters-container {
    display: flex;
    gap: 0.5rem;
    justify-content: center;
    flex-wrap: wrap;
    align-items: center;
}

/* ===================================
   SEARCH BAR
   =================================== */
.search-container {
    width: 100%;
    max-width: 520px;
    margin: 0 auto 1.1rem;
    position: relative;
}

.search-input {
    width: 100%;
    padding: 0.8rem 1.25rem 0.8rem 3rem;
    border: 1px solid rgba(91, 14, 34, 0.22);
    border-radius: 3px;
    font-size: 0.98rem;
    font-family: var(--catalog-body);
    color: var(--catalog-dark);
    transition: border-color 0.2s ease, box-shadow 0.2s ease;
    background: #fff;
}

.search-input:focus {
    outline: none;
    border-color: var(--catalog-primary);
    box-shadow: 0 0 0 3px rgba(201, 162, 77, 0.28);
}

.search-input::placeholder { color: #9b8a8f; }

.search-icon {
    position: absolute;
    left: 1rem;
    top: 50%;
    transform: translateY(-50%);
    width: 20px;
    height: 20px;
    color: var(--catalog-accent);
    pointer-events: none;
    transition: color 0.2s ease;
}

.search-input:focus ~ .search-icon { color: var(--catalog-primary); }

.search-clear {
    position: absolute;
    right: 1rem;
    top: 50%;
    transform: translateY(-50%);
    width: 24px;
    height: 24px;
    background: var(--catalog-petal);
    border: none;
    border-radius: 50%;
    cursor: pointer;
    display: none;
    align-items: center;
    justify-content: center;
    font-size: 0.8rem;
    color: var(--catalog-primary);
    transition: background 0.2s ease, color 0.2s ease;
}

.search-clear.visible { display: flex; }

.search-clear:hover {
    background: var(--catalog-primary);
    color: #FFF6F0;
}

.filter-label {
    font-family: var(--catalog-body);
    font-weight: 500;
    color: var(--catalog-dark);
    margin-right: 0.5rem;
}

.filter-btn {
    padding: 0.45rem 0.95rem;
    border: 1px solid rgba(91, 14, 34, 0.24);
    background: transparent;
    color: var(--catalog-primary);
    border-radius: 3px;
    font-family: var(--catalog-body);
    font-weight: 500;
    cursor: pointer;
    transition: background 0.2s ease, border-color 0.2s ease, color 0.2s ease;
    font-size: 0.82rem;
}

.filter-btn:hover {
    border-color: var(--catalog-primary);
    background: rgba(91, 14, 34, 0.05);
}

.filter-btn.active {
    background: var(--catalog-primary);
    border-color: var(--catalog-primary);
    color: #FFF6F0;
}

.filter-btn.active .filter-code { color: var(--catalog-gold-light); }

/* ===================================
   PRODUCTS GRID
   =================================== */
.catalog-section {
    padding: 36px 0 96px;
    background: var(--catalog-petal);
}

.products-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: 2.5rem 2rem;
}

/* ===================================
   PRODUCT CARD — imagen con arco de pétalo
   =================================== */
.product-card {
    background: #fff;
    border: 1px solid var(--catalog-line);
    border-radius: 6px;
    padding: 12px 12px 0;
    overflow: hidden;
    transition: transform 0.3s ease, box-shadow 0.3s ease, border-color 0.3s ease;
    display: flex;
    flex-direction: column;
}

.product-card:hover {
    transform: translateY(-4px);
    border-color: var(--catalog-accent);
    box-shadow: 0 18px 40px rgba(91, 14, 34, 0.10);
}

.product-image-container {
    position: relative;
    width: 100%;
    aspect-ratio: 1 / 1;
    overflow: hidden;
    cursor: pointer;
    border-radius: 50% 50% 3px 3px / 26% 26% 3px 3px;
    background: var(--catalog-petal);
}

.product-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.4s ease;
}

.product-card:hover .product-image { transform: scale(1.04); }

.product-badge {
    position: absolute;
    top: 1rem;
    right: 1rem;
    background: var(--catalog-accent);
    color: var(--catalog-deep);
    padding: 0.4rem 0.9rem;
    border-radius: 3px;
    font-size: 0.85rem;
    font-weight: 600;
}

.zoom-icon {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 58px;
    height: 58px;
    background: rgba(91, 14, 34, 0.86);
    border: 1px solid var(--catalog-gold-light);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity 0.3s ease;
    pointer-events: none;
}

.product-image-container:hover .zoom-icon { opacity: 1; }

.zoom-icon svg {
    width: 28px;
    height: 28px;
    color: var(--catalog-gold-light);
}

.product-info {
    padding: 1.3rem 0.5rem 1.3rem;
    flex-grow: 1;
    display: flex;
    flex-direction: column;
}

.product-name {
    font-family: var(--catalog-heading);
    font-optical-sizing: auto;
    font-size: 1.45rem;
    color: var(--catalog-dark);
    margin-bottom: 0.6rem;
    font-weight: 500;
    letter-spacing: -0.01em;
    line-height: 1.2;
}

.product-description {
    font-family: var(--catalog-body);
    color: var(--catalog-gray);
    line-height: 1.6;
    margin-bottom: 1.4rem;
    font-size: 0.97rem;
    flex-grow: 1;
}

.product-description ul { list-style: none; padding: 0; }

.product-description li {
    padding: 0.25rem 0 0.25rem 1.25rem;
    position: relative;
}

.product-description li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--catalog-accent);
    font-weight: bold;
}

.product-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 0.75rem;
    padding-top: 1rem;
    border-top: 1px solid var(--catalog-line);
}

.product-price {
    font-family: var(--catalog-heading);
    font-size: 1.75rem;
    color: var(--catalog-primary);
    font-weight: 600;
    line-height: 1.1;
}

.price-label {
    font-family: var(--catalog-body);
    font-size: 0.78rem;
    color: var(--catalog-gray);
    display: block;
    margin-bottom: 0.15rem;
}

.btn-order {
    padding: 0.8rem 1.35rem;
    background: var(--catalog-primary);
    color: #FFF6F0;
    border: none;
    border-radius: 3px;
    font-family: var(--catalog-body);
    font-weight: 500;
    cursor: pointer;
    transition: background 0.2s ease, color 0.2s ease;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    text-decoration: none;
    white-space: nowrap;
}

.btn-order:hover {
    background: var(--catalog-accent);
    color: var(--catalog-deep);
}

.btn-order svg { width: 18px; height: 18px; }

/* ===================================
   LIGHTBOX / MODAL
   =================================== */
.lightbox {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(42, 10, 18, 0.94);
    z-index: 9999;
    align-items: center;
    justify-content: center;
    padding: 2rem;
}

.lightbox.active { display: flex; }

.lightbox-content {
    position: relative;
    max-width: 90%;
    max-height: 90%;
    animation: zoomIn 0.3s ease;
}

@keyframes zoomIn {
    from { transform: scale(0.94); opacity: 0; }
    to   { transform: scale(1); opacity: 1; }
}

.lightbox-image {
    max-width: 100%;
    max-height: 78vh;
    border-radius: 4px;
    border: 1px solid rgba(230, 204, 138, 0.5);
}

.lightbox-close {
    position: absolute;
    top: -52px;
    right: 0;
    background: var(--catalog-primary);
    color: var(--catalog-gold-light);
    border: 1px solid var(--catalog-gold-light);
    width: 44px;
    height: 44px;
    border-radius: 50%;
    cursor: pointer;
    font-size: 1.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background 0.2s ease;
}

.lightbox-close:hover { background: var(--catalog-secondary); }

.lightbox-info {
    background: var(--catalog-light);
    padding: 1.2rem 1.5rem;
    border-radius: 4px;
    margin-top: 0.9rem;
    text-align: center;
    border-top: 2px solid var(--catalog-accent);
}

.lightbox-info h3 {
    font-family: var(--catalog-heading);
    font-weight: 500;
    color: var(--catalog-dark);
    margin-bottom: 0.35rem;
}

.lightbox-info p {
    font-family: var(--catalog-heading);
    color: var(--catalog-primary);
    font-size: 1.25rem;
    font-weight: 600;
}

/* ===================================
   EMPTY STATE
   =================================== */
.empty-state {
    text-align: center;
    padding: 4rem 2rem;
    display: none;
}

.empty-state.active { display: block; }

.empty-state h3 {
    font-family: var(--catalog-heading);
    font-weight: 500;
    font-size: 2rem;
    color: var(--catalog-primary);
    margin-bottom: 0.75rem;
}

.empty-state p {
    font-family: var(--catalog-body);
    color: var(--catalog-gray);
    font-size: 1.1rem;
}

/* ===================================
   RESULTS COUNTER
   =================================== */
.results-counter {
    text-align: center;
    padding: 1rem 0;
    color: var(--catalog-gray);
    font-family: var(--catalog-body);
    font-size: 1rem;
    background: var(--catalog-petal);
}

.results-counter strong {
    color: var(--catalog-primary);
    font-weight: 600;
}

/* ===================================
   RESPONSIVE DESIGN
   =================================== */
@media (max-width: 1024px) {
    .products-grid {
        grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
        gap: 2rem 1.5rem;
    }
}

@media (max-width: 768px) {
    .catalog-hero {
        padding: 72px 0 56px;
        margin-top: 70px;
    }

    .catalog-hero p { font-size: 1rem; }

    /* Sin sticky en móvil */
    .catalog-filters {
        position: static;
        top: auto;
        padding: 1.4rem 0;
    }

    .filter-btn {
        padding: 0.4rem 0.8rem;
        font-size: 0.78rem;
    }

    .search-container {
        max-width: 100%;
        padding: 0 1rem;
    }

    .search-icon { left: 2rem; }

    .products-grid {
        grid-template-columns: 1fr;
        gap: 1.75rem;
    }

    .product-name { font-size: 1.3rem; }
    .product-price { font-size: 1.5rem; }

    .btn-order {
        padding: 0.75rem 1.2rem;
        font-size: 0.92rem;
    }

    .lightbox-content { max-width: 95%; }

    .lightbox-close {
        top: -48px;
        width: 40px;
        height: 40px;
        font-size: 1.25rem;
    }
}

@media (max-width: 480px) {
    .filters-container {
        flex-direction: column;
        gap: 0.6rem;
    }

    .filter-label {
        width: 100%;
        text-align: center;
        margin-right: 0;
        margin-bottom: 0.25rem;
    }

    .filter-btn {
        width: 100%;
        max-width: 300px;
    }

    .product-footer {
        flex-direction: column;
        align-items: stretch;
        gap: 1rem;
    }

    .btn-order {
        width: 100%;
        justify-content: center;
    }
}

/* ===================================
   LOADING ANIMATION
   =================================== */
.product-card.loading { animation: pulse 1.5s ease-in-out infinite; }

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.7; }
}

/* ===================================
   SCROLL TO TOP BUTTON
   =================================== */
.scroll-top {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    width: 54px;
    height: 54px;
    background: var(--catalog-primary);
    color: var(--catalog-gold-light);
    border: 1px solid var(--catalog-gold-light);
    border-radius: 50%;
    cursor: pointer;
    display: none;
    align-items: center;
    justify-content: center;
    box-shadow: 0 6px 18px rgba(58, 8, 21, 0.3);
    transition: background 0.2s ease, transform 0.2s ease;
    z-index: 1000;
}

.scroll-top.visible { display: flex; }

.scroll-top:hover {
    background: var(--catalog-secondary);
    transform: translateY(-3px);
}

.scroll-top svg { width: 22px; height: 22px; }

/* Tres columnas para comparar económico, intermedio y alto. */
@media (min-width: 1025px) {
    .products-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
}