/**
 * ============================================================
 * Morris Millwork · Retícula de piezas
 * Archivo: /assets/css/piezas-grid.css
 * ============================================================
 *
 * Responsabilidad:
 * - Definir la retícula responsiva de piezas.
 * - Controlar los estados cerrado y expandido.
 * - Mostrar thumb en estado cerrado.
 * - Mostrar feature en estado expandido.
 * - Presentar un spinner verde durante la carga de feature.
 * - Conservar un margen de 3px alrededor de cada pieza.
 */

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

.pieces-page-header {
    display: flex;
    align-items: flex-end;
    justify-content: space-between;
    gap: 2rem;
    padding-bottom: 2rem;
}

.pieces-page-title {
    margin: 0;
}

.pieces-page-description {
    max-width: 28rem;
    margin: 0;
    color: rgba(255, 255, 255, 0.62);
    line-height: 1.6;
}

.pieces-grid {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    grid-auto-rows: clamp(10rem, 15vw, 14rem);
    grid-auto-flow: row dense;
    border-top: 1px solid rgba(255, 255, 255, 0.09);
    border-left: 1px solid rgba(255, 255, 255, 0.09);
}

.grid-piece {
    position: relative;
    min-width: 0;
    min-height: 0;
    overflow: hidden;
    margin: 3px;
    background: #101010;
    border-right: 1px solid rgba(255, 255, 255, 0.09);
    border-bottom: 1px solid rgba(255, 255, 255, 0.09);
    isolation: isolate;
}

.grid-piece.is-expanded {
    grid-column: span 2;
    grid-row: span 2;
    z-index: 5;
    min-height: 20rem;
}

.grid-piece.is-page-hidden {
    display: none;
}

.grid-piece-trigger {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    padding: 0;
    border: 0;
    background: transparent;
    color: inherit;
    text-align: left;
    cursor: pointer;
}

.grid-piece-image {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    transform: scale(1.01);
    transition:
        transform 700ms cubic-bezier(0.22, 1, 0.36, 1),
        filter 500ms ease,
        opacity 500ms ease;
}

.grid-piece-thumb {
    z-index: 1;
    opacity: 1;
    visibility: visible;
}

.grid-piece-feature {
    z-index: 2;
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
}

.grid-piece-thumb.is-hidden {
    opacity: 0;
    visibility: hidden;
}

.grid-piece-feature.is-visible {
    opacity: 1;
    visibility: visible;
}

.grid-piece:not(.is-expanded):hover .grid-piece-image,
.grid-piece:not(.is-expanded):focus-within .grid-piece-image {
    transform: scale(1.055);
}

.grid-piece-overlay {
    position: absolute;
    inset: 0;
    z-index: 3;
    background:
        linear-gradient(180deg, rgba(0, 0, 0, 0.12), rgba(0, 0, 0, 0.78)),
        linear-gradient(90deg, rgba(0, 0, 0, 0.34), transparent 60%);
    transition: background 500ms ease;
}

.grid-piece.is-expanded .grid-piece-overlay {
    background:
        linear-gradient(180deg, rgba(0, 0, 0, 0.05), rgba(0, 0, 0, 0.84)),
        linear-gradient(90deg, rgba(0, 0, 0, 0.58), transparent 74%);
}

/**
 * Spinner de carga para la imagen feature.
 *
 * El JavaScript debe agregar la clase .is-loading-feature
 * a la pieza expandida mientras la imagen termina de cargar.
 */
.grid-piece::after {
    content: "";
    position: absolute;
    top: 50%;
    left: 50%;
    z-index: 6;
    width: 2.4rem;
    height: 2.4rem;
    border: 3px solid rgba(255, 255, 255, 0.2);
    border-top-color: var(--morris-green, #708b78);
    border-radius: 50%;
    opacity: 0;
    visibility: hidden;
    transform: translate(-50%, -50%);
    pointer-events: none;
}

.grid-piece.is-loading-feature::after {
    opacity: 1;
    visibility: visible;
    animation: pieces-spinner 800ms linear infinite;
}

@keyframes pieces-spinner {
    from {
        transform: translate(-50%, -50%) rotate(0deg);
    }

    to {
        transform: translate(-50%, -50%) rotate(360deg);
    }
}

.grid-piece-summary {
    position: absolute;
    right: 1.25rem;
    bottom: 1.15rem;
    left: 1.25rem;
    z-index: 4;
    display: grid;
    gap: 0.25rem;
    transition:
        opacity 220ms ease,
        transform 500ms cubic-bezier(0.22, 1, 0.36, 1);
}

.grid-piece.is-expanded .grid-piece-summary {
    opacity: 0;
    transform: translateY(0.875rem);
    pointer-events: none;
}

.grid-piece-number {
    color: #d8c691;
    font-size: 0.7rem;
    letter-spacing: 0.12em;
}

.grid-piece-name {
    font-family: "Syne", sans-serif;
    font-size: clamp(0.95rem, 1.25vw, 1.2rem);
    font-weight: 500;
}

.grid-piece-details {
    position: absolute;
    right: 2rem;
    bottom: 2rem;
    left: 2rem;
    z-index: 5;
    max-width: 28rem;
    opacity: 0;
    transform: translateY(1.25rem);
    pointer-events: none;
    transition:
        opacity 260ms ease,
        transform 620ms cubic-bezier(0.22, 1, 0.36, 1);
}

.grid-piece.is-expanded .grid-piece-details {
    opacity: 1;
    transform: translateY(0);
    pointer-events: auto;
    transition-delay: 160ms;
}

.grid-piece-category {
    margin: 0 0 0.625rem;
    color: #d8c691;
    font-size: 0.75rem;
    letter-spacing: 0.12em;
    text-transform: uppercase;
}

.grid-piece-title {
    margin: 0;
    font-family: "Syne", sans-serif;
    font-size: clamp(2rem, 4vw, 3.5rem);
    font-weight: 500;
    letter-spacing: -0.055em;
    line-height:3rem;
}

.grid-piece-description {
    max-width: 38rem;
    margin: 1rem 0 0;
    color: rgba(255, 255, 255, 0.8);
    line-height: 1.55;
}

.grid-piece-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem 1.25rem;
    margin-top: 1.25rem;
    color: rgba(255, 255, 255, 0.6);
    font-size: 0.88rem;
}

.grid-piece-details .link-arrow {
    margin-top: 1.5rem;
}

.grid-piece-close {
    position: absolute;
    top: 1.125rem;
    right: 1.125rem;
    z-index: 7;
    display: grid;
    width: 2.625rem;
    height: 2.625rem;
    place-items: center;
    border: 1px solid rgba(255, 255, 255, 0.32);
    border-radius: 50%;
    background: rgba(0, 0, 0, 0.58);
    color: #ffffff;
    cursor: pointer;
    opacity: 0;
    transform: scale(0.8);
    pointer-events: none;
    transition:
        opacity 240ms ease,
        transform 480ms cubic-bezier(0.22, 1, 0.36, 1),
        background 200ms ease;
}

.grid-piece-close:hover {
    background: rgba(255, 255, 255, 0.14);
}

.grid-piece.is-expanded .grid-piece-close {
    opacity: 1;
    transform: scale(1);
    pointer-events: auto;
    transition-delay: 180ms;
}

.pieces-grid.is-moving .grid-piece {
    pointer-events: none;
}

.pieces-pagination {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1.25rem;
    padding-top: 2rem;
}

.pieces-pagination-pages {
    display: flex;
    gap: 0.5rem;
}

.pieces-pagination button {
    min-width: 2.625rem;
    height: 2.625rem;
    padding: 0 0.9rem;
    border: 1px solid rgba(255, 255, 255, 0.14);
    background: transparent;
    color: #ffffff;
    cursor: pointer;
    transition:
        background 200ms ease,
        color 200ms ease,
        border-color 200ms ease;
}

.pieces-pagination button:hover,
.pieces-pagination button[aria-current="page"] {
    border-color: #d8c691;
    background: #d8c691;
    color: #090909;
}

.pieces-pagination button:disabled {
    cursor: not-allowed;
    opacity: 0.35;
}

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

    .pieces-page-header {
        align-items: flex-start;
        flex-direction: column;
    }

    .pieces-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
        grid-auto-rows: 13.75rem;
    }

    .grid-piece.is-expanded {
        grid-column: span 2;
        grid-row: span 2;
    }
}

@media (max-width: 560px) {
    .pieces-grid {
        grid-template-columns: 1fr;
        grid-auto-rows: 20rem;
    }

    .grid-piece.is-expanded {
        grid-column: span 1;
        grid-row: span 2;
    }

    .grid-piece-details {
        right: 1.375rem;
        bottom: 1.5rem;
        left: 1.375rem;
    }

    .pieces-pagination {
        align-items: stretch;
        flex-direction: column;
    }

    .pieces-pagination-pages {
        justify-content: center;
    }
}

@media (prefers-reduced-motion: reduce) {
    .grid-piece-image,
    .grid-piece-summary,
    .grid-piece-details,
    .grid-piece-close {
        transition: none;
    }

    .grid-piece.is-loading-feature::after {
        animation-duration: 1.6s;
    }
}