/**
 * ============================================================
 * Morris Millwork · Colecciones
 * Archivo: /assets/css/colecciones.css
 * ============================================================
 *
 * Responsabilidad:
 * - Definir la presentación exclusiva de colecciones.php.
 * - Mostrar una imagen editorial por cada familia principal.
 * - Mantener el texto legible mediante degradados oscuros.
 * - Organizar las categorías derivadas como enlaces.
 * - Adaptar la composición a escritorio, tableta y móvil.
 */

.collections-page {
    padding: 9rem 0 5rem;
    background: #050505;
}

.collections-header {
    display: grid;
    grid-template-columns: minmax(0, 1.35fr) minmax(18rem, 0.65fr);
    gap: 3rem;
    align-items: end;
    padding-bottom: 4.5rem;
}

.collections-title {
    margin: 0;
}

.collections-intro {
    max-width: 31rem;
    margin: 0;
    color: rgba(255, 255, 255, 0.64);
    line-height: 1.7;
}

.collections-list {
    border-top: 1px solid rgba(255, 255, 255, 0.14);
}

.collection-group {
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(0, .8fr);
    min-height: 24rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.14);
}

.collection-heading {
    position: relative;
    display: flex;
    min-width: 0;
    min-height: 24rem;
    overflow: hidden;
    padding: 2.5rem 2.75rem;
    align-items: flex-start;
    flex-direction: column;
    justify-content: center;
    background:
        linear-gradient(
            90deg,
            rgba(5, 5, 5, 0.94) 0%,
            rgba(5, 5, 5, 0.76) 34%,
            rgba(5, 5, 5, 0.34) 68%,
            rgba(5, 5, 5, 0.08) 100%
        ),
        linear-gradient(
            0deg,
            rgba(5, 5, 5, 0.76) 0%,
            rgba(5, 5, 5, 0.18) 52%,
            rgba(5, 5, 5, 0.32) 100%
        ),
        var(--collection-image);
    background-position: center;
    background-repeat: no-repeat;
    background-size: cover;
    isolation: isolate;
}

.collection-heading::after {
    content: "";
    position: absolute;
    inset: 0;
    z-index: -1;
    background: linear-gradient(
        90deg,
        rgba(5, 5, 5, 0.28) 0%,
        transparent 62%
    );
    pointer-events: none;
}

.collection-number {
    display: block;
    margin-bottom: 1rem;
    color: #d8c691;
    font-size: 0.72rem;
    letter-spacing: 0.14em;
}

.collection-name {
    margin: 0;
    font-family: "Syne", sans-serif;
    font-size: clamp(3.25rem, 6.2vw, 6.75rem);
    font-weight: 500;
    letter-spacing: -0.06em;
    line-height: 0.88;
}

.collection-description {
    max-width: 31rem;
    margin: 1.5rem 0 0;
    color: rgba(255, 255, 255, 0.78);
    line-height: 1.65;
}

.collection-main-link {
    display: inline-flex;
    align-items: center;
    gap: 0.75rem;
    margin-top: 2rem;
    color: #ffffff;
    font-size: 0.78rem;
    font-weight: 600;
    letter-spacing: 0.11em;
    text-decoration: none;
    text-transform: uppercase;
}

.collection-main-link::after {
    content: "↗";
    font-size: 1rem;
    transition: transform 220ms ease;
}

.collection-main-link:hover::after,
.collection-main-link:focus-visible::after {
    transform: translate(0.2rem, -0.2rem);
}

.collection-categories {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    align-content: stretch;
    border-left: 1px solid rgba(255, 255, 255, 0.1);
}

.collection-category {
    display: flex;
    min-width: 0;
    min-height: 5.5rem;
    align-items: center;
    justify-content: space-between;
    gap: 1.5rem;
    padding: 1rem 1.25rem;
    border-right: 1px solid rgba(255, 255, 255, 0.1);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    color: #ffffff;
    text-decoration: none;
    transition:
        background 220ms ease,
        color 220ms ease;
}

.collection-category:nth-child(2n) {
    border-right: 0;
}

.collection-category::after {
    content: "↗";
    flex: 0 0 auto;
    color: #d8c691;
    font-size: 1rem;
    transition: transform 220ms ease;
}

.collection-category:hover,
.collection-category:focus-visible {
    background: #d8c691;
    color: #090909;
}

.collection-category:hover::after,
.collection-category:focus-visible::after {
    color: #090909;
    transform: translate(0.2rem, -0.2rem);
}

@media (max-width: 1000px) {
    .collection-group {
        grid-template-columns: minmax(0, 0.92fr) minmax(0, 1.08fr);
    }

    .collection-heading {
        padding-right: 2rem;
        padding-left: 2rem;
    }

    .collection-name {
        font-size: clamp(3rem, 7vw, 5.75rem);
    }
}

@media (max-width: 900px) {
    .collections-page {
        padding-top: 7rem;
    }

    .collections-header {
        grid-template-columns: 1fr;
        gap: 1.5rem;
        padding-bottom: 3.5rem;
    }

    .collection-group {
        grid-template-columns: 1fr;
        min-height: auto;
    }

    .collection-heading {
        min-height: 22rem;
    }

    .collection-categories {
        border-top: 1px solid rgba(255, 255, 255, 0.1);
        border-left: 0;
    }
}

@media (max-width: 560px) {
    .collection-heading {
        min-height: 20rem;
        padding: 2rem 1.25rem;
        background:
            linear-gradient(
                90deg,
                rgba(5, 5, 5, 0.9) 0%,
                rgba(5, 5, 5, 0.62) 52%,
                rgba(5, 5, 5, 0.2) 100%
            ),
            linear-gradient(
                0deg,
                rgba(5, 5, 5, 0.84) 0%,
                rgba(5, 5, 5, 0.22) 56%,
                rgba(5, 5, 5, 0.3) 100%
            ),
            var(--collection-image);
        background-position: center;
    }

    .collection-name {
        font-size: clamp(3rem, 17vw, 4.75rem);
    }

    .collection-description {
        max-width: 25rem;
    }

    .collection-categories {
        grid-template-columns: 1fr;
    }

    .collection-category,
    .collection-category:nth-child(2n) {
        min-height: 4.75rem;
        padding-right: 1rem;
        padding-left: 1rem;
        border-right: 0;
    }
}

@media (prefers-reduced-motion: reduce) {
    .collection-main-link::after,
    .collection-category,
    .collection-category::after {
        transition: none;
    }
}