/* Portafolio unificado — filtros y grid */

.portfolio-all-page {
    --portfolio-section-gap: 4rem;
}

.portfolio-all-page .main-content {
    padding-top: calc(var(--header-height, 80px) + var(--portfolio-section-gap));
    padding-bottom: 0;
}

.portfolio-all-page .main-content .page-title {
    margin-top: 0;
    padding-top: 0;
    margin-bottom: 0.5rem;
    padding-bottom: 0;
}

.portfolio-all-page .main-content .portfolio-subtitle {
    margin-top: 0;
    margin-bottom: 2rem;
}

.portfolio-filters {
    display: flex;
    justify-content: center;
    margin: 0 auto 2.5rem;
    padding: 0 20px;
}

.portfolio-filters__list {
    display: inline-flex;
    align-items: center;
    gap: 0.75rem;
    list-style: none;
    margin: 0;
    padding: 0;
    background: transparent;
}

.portfolio-filters__btn {
    appearance: none;
    border: none;
    background: #183049;
    color: #ffffff;
    font-family: 'Sansation', sans-serif;
    font-size: 0.95rem;
    font-weight: 700;
    padding: 0.75rem 1.55rem;
    border-radius: 9999px;
    cursor: pointer;
    box-shadow: 0 4px 10px rgba(24, 48, 73, 0.16);
    transition: background 0.25s ease, color 0.25s ease, transform 0.2s ease, box-shadow 0.25s ease;
    white-space: nowrap;
    line-height: 1.2;
}

.portfolio-filters__btn:hover {
    color: #ffffff;
    background: #4aa921;
    transform: translateY(-2px);
    box-shadow: 0 7px 16px rgba(74, 169, 33, 0.28);
}

.portfolio-filters__btn.is-active {
    background: linear-gradient(135deg, #92d348, #4aa921);
    color: #ffffff;
    font-weight: 700;
    box-shadow: 0 4px 12px rgba(74, 169, 33, 0.35);
}

.portfolio-filters__btn:active {
    transform: translateY(0);
}

.portfolio-filters__btn:focus-visible {
    outline: 2px solid #92d348;
    outline-offset: 2px;
}

.portfolio-filter-grid {
    display: grid !important;
    grid-template-columns: repeat(3, 1fr);
    grid-auto-rows: 280px;
    grid-auto-flow: dense;
    gap: 14px;
    margin-top: 0 !important;
    margin-bottom: 64px;
    max-width: 1200px;
    margin-left: auto;
    margin-right: auto;
    padding-left: 20px;
    padding-right: 20px;
}

.portfolio-filter-grid .box-cont {
    min-height: 280px;
    opacity: 1;
    transform: scale(1);
    transition: opacity 0.3s ease, transform 0.3s ease, box-shadow 0.3s ease;
}

.portfolio-filter-grid .box-cont.is-hidden {
    display: none !important;
}

.portfolio-filter-grid .box-cont.is-filtering {
    opacity: 0;
    transform: scale(0.96);
}

.portfolio-empty {
    display: none;
    text-align: center;
    color: #183049;
    font-family: 'Sansation', sans-serif;
    font-size: 1.1rem;
    margin: 2rem auto 4rem;
    padding: 0 20px;
}

.portfolio-empty.is-visible {
    display: block;
}

.back-to-home-container {
    margin-top: 64px;
    margin-bottom: 55px;
    text-align: center;
    max-width: 1000px;
    margin-left: auto;
    margin-right: auto;
    padding: 0 20px;
}

.back-to-home-btn {
    display: inline-block;
}

@media (max-width: 900px) {
    .portfolio-filter-grid {
        grid-template-columns: repeat(2, 1fr);
        grid-auto-rows: 260px;
    }

    .portfolio-filters__list {
        flex-wrap: wrap;
        justify-content: center;
        max-width: 100%;
    }
}

@media (max-width: 768px) {
    .portfolio-all-page {
        --portfolio-section-gap: 3rem;
    }

    .portfolio-all-page .main-content .page-title {
        margin-bottom: 0.35rem !important;
    }

    .portfolio-filters__btn {
        font-size: 0.85rem;
        padding: 0.55rem 1rem;
    }

    .portfolio-filter-grid {
        grid-template-columns: 1fr 1fr;
        grid-auto-rows: 220px;
        gap: 10px;
    }

    .portfolio-filter-grid .box-cont {
        min-height: 220px;
        width: auto !important;
        max-width: none !important;
        min-width: 0 !important;
    }
}

@media (max-width: 480px) {
    .portfolio-filters {
        padding: 0 12px;
    }

    .portfolio-filters__list {
        width: 100%;
        gap: 0.5rem;
        padding: 0;
    }

    .portfolio-filters__btn {
        flex: 1 1 auto;
        text-align: center;
        padding: 0.55rem 0.75rem;
        font-size: 0.8rem;
    }

    .portfolio-filter-grid {
        grid-template-columns: 1fr;
        grid-auto-rows: 240px;
    }
}