/* ===== Portafolio Strip — cinema marquee reutilizable =====
 * Mismo look que la galería de Diseño Gráfico, pero como módulo independiente
 * (clases pf-*) para poder usarlo en otras páginas sin acoplar a diseno-grafico.
 * Lo alimenta portafolio-strip.js desde data/portafolio/items.json, filtrando
 * por las categorías que indique data-cats en la sección. */

.pf-strip {
    padding: 80px clamp(24px, 5vw, 60px);
    background: #fff;
}

/* head */
.pf-strip__head {
    max-width: var(--container);
    margin: 0 auto 36px;
    display: flex;
    align-items: flex-end;
    justify-content: space-between;
    gap: 24px;
}

.pf-strip__label {
    font-size: 0.68rem;
    font-weight: 600;
    letter-spacing: 0.22em;
    text-transform: uppercase;
    color: var(--accent);
    margin-bottom: 10px;
}

.pf-strip__title {
    font-family: var(--font-display);
    font-size: clamp(2rem, 3.5vw, 3rem);
    font-weight: 700;
    color: var(--dark);
    line-height: 1.06;
}

/* cinema film strip (auto-scroll) */
.pf-strip__film {
    margin-left: calc(-1 * clamp(24px, 5vw, 60px));
    margin-right: calc(-1 * clamp(24px, 5vw, 60px));
    border-top: 3px solid var(--accent);
    border-bottom: 3px solid var(--accent);
    padding: 16px 0;
    overflow: hidden;
    position: relative;
}

.pf-film-track {
    display: flex;
    gap: 4px;
    animation: pfFilmScroll 35s linear infinite;
    width: max-content;
}

@keyframes pfFilmScroll {
    0%   { transform: translateX(0); }
    100% { transform: translateX(-50%); }
}

.pf-strip__film:hover .pf-film-track {
    animation-play-state: paused;
}

.pf-slide {
    flex-shrink: 0;
    height: 420px;
    overflow: hidden;
    position: relative;
    cursor: pointer;
    background: #f4f4f4;
}

.pf-slide img,
.pf-slide video {
    height: 100%;
    width: auto;
    display: block;
    transition: transform 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}

.pf-slide video { background: #0a0a0a; }
.pf-slide:hover img { transform: scale(1.05); }

/* footer / ver-mas (el popup se agrega en la Parte 2) */
.pf-strip__foot {
    max-width: var(--container);
    margin: 0 auto;
    padding: 28px 0 0;
    display: flex;
    align-items: center;
    justify-content: center;
}

.pf-strip__ver-mas {
    font-family: var(--font-main);
    font-size: 0.78rem;
    font-weight: 600;
    letter-spacing: 0.04em;
    color: var(--accent);
    background: none;
    border: 1px solid rgba(255, 93, 60, 0.3);
    padding: 9px 22px;
    border-radius: 50px;
    cursor: pointer;
    transition: all 0.3s;
}

.pf-strip__ver-mas:hover {
    background: var(--accent);
    color: var(--white);
    border-color: var(--accent);
}

@media (max-width: 768px) {
    /* En celular el film deja de ser carrusel de piezas gigantes y pasa a un
       masonry por proporcion (igual que Diseno Grafico):
         cuadrada -> 2 apiladas, alargada -> 1 completa, horizontal -> 3 apiladas,
         muy ancha -> bloque doble (ancha arriba + 2 cuadradas abajo).
       Misma mecanica de marquee. */
    .pf-strip__film { padding: 12px 0; }
    .pf-strip { padding: 60px clamp(20px, 5vw, 40px); }

    /* Fallback instantaneo mientras se miden proporciones: grilla simple de 2 filas */
    .pf-film-track:not(.is-masonry) {
        display: grid;
        grid-auto-flow: column;
        grid-template-rows: repeat(2, 42vw);
        grid-auto-columns: 42vw;
        gap: 6px;
    }

    .pf-film-track:not(.is-masonry) .pf-slide {
        height: auto;
        width: auto;
    }

    /* Masonry por proporcion: altura fija, columnas/bloques mixtos */
    .pf-film-track.is-masonry {
        display: flex;
        gap: 6px;
    }

    .pf-col {
        flex-shrink: 0;
        width: 42vw;
        height: 84vw;
        display: flex;
        flex-direction: column;
        gap: 6px;
    }

    /* bloque doble ancho: ancha arriba + 2 cuadradas abajo */
    .pf-col--wide {
        width: calc(84vw + 6px);
    }

    .pf-col .pf-slide {
        flex: 1 1 0;
        min-height: 0;
        width: auto;
        height: auto;
    }

    .pf-row {
        display: flex;
        gap: 6px;
        flex: 1 1 0;
        min-height: 0;
    }

    .pf-row .pf-slide {
        flex: 1 1 0;
    }

    /* las piezas llenan su celda recortando (cover) */
    .pf-film-track .pf-slide img,
    .pf-film-track .pf-slide video {
        width: 100%;
        height: 100%;
        object-fit: cover;
    }

    /* las verticales se ven completas (su columna ya tiene el ancho de su proporcion) */
    .pf-col--tall .pf-slide img,
    .pf-col--tall .pf-slide video {
        object-fit: contain;
    }
}

/* ===== popup "Ver más" — grilla filtrable ===== */
.pf-modal {
    position: fixed;
    inset: 0;
    z-index: 9999;
    display: none;
    align-items: flex-start;
    justify-content: center;
    overflow-y: auto;
}
.pf-modal.is-open { display: flex; }

.pf-modal__bg {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.88);
    backdrop-filter: blur(14px);
    -webkit-backdrop-filter: blur(14px);
    z-index: 1;
    cursor: pointer;
}

.pf-modal__inner {
    position: relative;
    z-index: 2;
    width: 92%;
    max-width: 1100px;
    margin: 50px auto;
    animation: pfModalIn 0.35s cubic-bezier(0.16, 1, 0.3, 1);
}

@keyframes pfModalIn {
    from { opacity: 0; transform: translateY(24px); }
    to   { opacity: 1; transform: none; }
}

.pf-modal__top {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 28px;
    padding: 16px 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.07);
    /* El boton de cerrar siempre visible aunque se haga scroll en la grilla */
    position: sticky;
    top: 0;
    z-index: 5;
    background: rgba(10, 10, 10, 0.82);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
}
.pf-modal__top-left { display: flex; align-items: center; gap: 14px; }

.pf-modal__title {
    font-family: var(--font-display);
    font-size: 1.4rem;
    font-weight: 700;
    color: var(--white);
}
.pf-modal__count {
    font-size: 0.7rem;
    font-weight: 600;
    color: var(--accent);
    background: rgba(255, 93, 60, 0.1);
    padding: 4px 11px;
    border-radius: 20px;
    white-space: nowrap;
}

.pf-modal__close {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    border: 1px solid rgba(255, 255, 255, 0.12);
    background: rgba(255, 255, 255, 0.04);
    color: var(--white);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    transition: all 0.3s;
}
.pf-modal__close:hover { background: var(--accent); border-color: var(--accent); }

.pf-modal__filters {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    padding: 0 0 18px;
    margin: 0 0 18px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}
.pf-filters__btn {
    font-family: var(--font-main);
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    padding: 9px 20px;
    border-radius: 50px;
    border: 1px solid rgba(255, 255, 255, 0.12);
    background: transparent;
    color: rgba(255, 255, 255, 0.55);
    cursor: pointer;
    transition: all 0.25s;
}
.pf-filters__btn:hover,
.pf-filters__btn.active {
    background: var(--accent);
    border-color: var(--accent);
    color: #fff;
}

.pf-modal__grid { columns: 3; column-gap: 12px; }

.pf-modal__item {
    break-inside: avoid;
    margin-bottom: 12px;
    border-radius: 12px;
    overflow: hidden;
    position: relative;
    cursor: pointer;
}
.pf-modal__item img,
.pf-modal__item video {
    width: 100%;
    display: block;
    transition: transform 0.5s cubic-bezier(0.16, 1, 0.3, 1);
}
.pf-modal__item video { background: #0a0a0a; }
.pf-modal__item:hover img,
.pf-modal__item:hover video { transform: scale(1.03); }

.pf-modal__item-ov {
    position: absolute;
    inset: 0;
    background: linear-gradient(to top, rgba(0, 0, 0, 0.7), transparent 50%);
    opacity: 0;
    transition: opacity 0.3s;
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
    padding: 14px;
}
.pf-modal__item:hover .pf-modal__item-ov { opacity: 1; }

.pf-modal__item-cat {
    font-size: 0.58rem;
    font-weight: 600;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--accent);
    margin-bottom: 2px;
}
.pf-modal__item-name {
    font-family: var(--font-display);
    font-size: 0.88rem;
    font-weight: 700;
    color: var(--white);
}

@media (max-width: 768px) {
    .pf-modal__grid { columns: 2; }
    .pf-modal__inner { margin: 24px auto; }
}

/* ===== Lightbox (zoom de una pieza) — igual que en Diseno Grafico ===== */
.pf-lightbox {
    position: fixed;
    inset: 0;
    z-index: 10000;
    display: none;
    align-items: center;
    justify-content: center;
    padding: 24px;
}

.pf-lightbox.is-open { display: flex; }

.pf-lightbox__bg {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.92);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    cursor: pointer;
}

.pf-lightbox__content {
    position: relative;
    z-index: 2;
    max-width: 90vw;
    max-height: 86vh;
    display: flex;
    align-items: center;
    justify-content: center;
    animation: pfModalIn 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

.pf-lightbox__content img,
.pf-lightbox__content video {
    max-width: 90vw;
    max-height: 86vh;
    width: auto;
    height: auto;
    border-radius: 8px;
    display: block;
    box-shadow: 0 24px 70px rgba(0, 0, 0, 0.55);
}

.pf-lightbox__close {
    position: fixed;
    top: 20px;
    right: 20px;
    width: 48px;
    height: 48px;
    border-radius: 50%;
    border: 1px solid rgba(255, 255, 255, 0.2);
    background: rgba(255, 255, 255, 0.08);
    color: #fff;
    font-size: 1.6rem;
    line-height: 1;
    cursor: pointer;
    z-index: 3;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s;
}

.pf-lightbox__close:hover {
    background: var(--accent);
    border-color: var(--accent);
}