/**
 * ==========================================================
 * SIDV Theme — Servindustriales del Valle S.A.S.
 * ----------------------------------------------------------
 * Componente: blog/categories (CSS Refactorizado & Unificado)
 * Version: 1.4.0
 * ----------------------------------------------------------
 * Diseño modular BEM, soporte de estados activos, interacción
 * por teclado, adaptabilidad móvil y prevención de FOUC.
 * ==========================================================
 */

:root {
    --sidv-cat-bg: #ffffff;
    --sidv-cat-brand: #025672;
    --sidv-cat-brand-hover: #013e53;
    --sidv-cat-accent: #f09700;
    --sidv-cat-accent-bg: rgba(240, 151, 0, 0.1);
    --sidv-cat-title: #0f172a;
    --sidv-cat-body: #64748b;
    --sidv-cat-muted: #94a3b8;
    --sidv-cat-border: #e2e8f0;
    --sidv-cat-card-bg: #ffffff;
    --sidv-cat-radius: 20px;
    --sidv-cat-shadow: 0 4px 20px -2px rgba(15, 23, 42, 0.05);
    --sidv-cat-shadow-hover: 0 16px 32px -4px rgba(2, 86, 114, 0.12);
    --sidv-cat-active-bg: #025672;
    --sidv-cat-active-shadow: 0 20px 40px -6px rgba(2, 86, 114, 0.28);
}

/*
==================================================
1. CONTENEDOR PRINCIPAL
==================================================
*/
.sidv-blog-categories {
    padding: 6rem 0;
    background-color: var(--sidv-cat-bg);
    position: relative;
    box-sizing: border-box;
}

.sidv-blog-categories .sidv-container {
    width: 100%;
    max-width: 1280px;
    margin-left: auto;
    margin-right: auto;
    padding-left: 1.5rem;
    padding-right: 1.5rem;
    box-sizing: border-box;
}

/*
==================================================
2. ENCABEZADO
==================================================
*/
.sidv-blog-categories__header {
    max-width: 760px;
    margin: 0 auto 4rem;
    text-align: center;
}

.sidv-blog-categories__eyebrow {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.5rem 1.25rem;
    border-radius: 999px;
    background: rgba(2, 86, 114, 0.08);
    border: 1px solid rgba(2, 86, 114, 0.15);
    color: var(--sidv-cat-brand);
    font-size: 0.8rem;
    font-weight: 800;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    margin-bottom: 1rem;
}

.sidv-blog-categories__title {
    margin: 0 0 1rem 0;
    font-size: clamp(2rem, 3.5vw, 2.8rem);
    font-weight: 800;
    color: var(--sidv-cat-title);
    line-height: 1.2;
    letter-spacing: -0.02em;
}

.sidv-blog-categories__description {
    max-width: 680px;
    margin: 0 auto;
    color: var(--sidv-cat-body);
    font-size: 1rem;
    line-height: 1.75;
}

/*
==================================================
3. GRILLA DE CATEGORÍAS
==================================================
*/
.sidv-blog-categories__grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 1.75rem;
    align-items: stretch;
    width: 100%;
}

/*
==================================================
4. TARJETA DE CATEGORÍA (.sidv-blog-category)
==================================================
*/
.sidv-blog-category {
    display: flex;
    align-items: flex-start;
    gap: 1.25rem;
    padding: 1.75rem;
    background-color: var(--sidv-cat-card-bg);
    border: 1px solid var(--sidv-cat-border);
    border-radius: var(--sidv-cat-radius);
    cursor: pointer;
    text-align: left;
    box-shadow: var(--sidv-cat-shadow);
    transition: transform 0.35s cubic-bezier(0.16, 1, 0.3, 1),
                border-color 0.35s ease,
                background-color 0.35s ease,
                box-shadow 0.35s cubic-bezier(0.16, 1, 0.3, 1);
    position: relative;
    outline: none;
    width: 100%;
    box-sizing: border-box;
    opacity: 1;
    transform: translateY(0);
}

/* Estado Focus/Accesibilidad */
.sidv-blog-category:focus-visible {
    border-color: var(--sidv-cat-brand);
    box-shadow: 0 0 0 3px rgba(2, 86, 114, 0.3);
}

/* Estado Hover */
.sidv-blog-category:hover {
    transform: translateY(-6px);
    border-color: var(--sidv-cat-accent);
    box-shadow: var(--sidv-cat-shadow-hover);
}

/* Estado Activo / Seleccionado */
.sidv-blog-category.is-active {
    background-color: var(--sidv-cat-active-bg);
    border-color: var(--sidv-cat-active-bg);
    box-shadow: var(--sidv-cat-active-shadow);
}

.sidv-blog-category.is-active:hover {
    transform: translateY(-4px);
}

/*
==================================================
5. ICONO DE CATEGORÍA
==================================================
*/
.sidv-blog-category__icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 58px;
    height: 58px;
    border-radius: 16px;
    background-color: var(--sidv-cat-accent-bg);
    color: var(--sidv-cat-accent);
    flex-shrink: 0;
    transition: background-color 0.35s ease, color 0.35s ease;
}

.sidv-blog-category:hover .sidv-blog-category__icon {
    background-color: var(--sidv-cat-accent);
    color: #ffffff;
}

.sidv-blog-category.is-active .sidv-blog-category__icon {
    background-color: rgba(255, 255, 255, 0.15);
    color: #ffffff;
}

/*
==================================================
6. CONTENIDO DE CATEGORÍA
==================================================
*/
.sidv-blog-category__content {
    flex: 1;
    min-width: 0;
}

.sidv-blog-category__title {
    margin: 0 0 0.5rem 0;
    color: var(--sidv-cat-title);
    font-size: 1.15rem;
    font-weight: 700;
    line-height: 1.3;
    transition: color 0.35s ease;
}

.sidv-blog-category__description {
    margin: 0;
    color: var(--sidv-cat-body);
    font-size: 0.875rem;
    line-height: 1.6;
    transition: color 0.35s ease;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.sidv-blog-category.is-active .sidv-blog-category__title,
.sidv-blog-category.is-active .sidv-blog-category__description {
    color: #ffffff;
}

/*
==================================================
7. METADATOS Y CONTEO
==================================================
*/
.sidv-blog-category__meta {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    min-width: 68px;
    padding-left: 1rem;
    border-left: 1px solid var(--sidv-cat-border);
    transition: border-color 0.35s ease;
}

.sidv-blog-category__count {
    font-size: 1.4rem;
    font-weight: 800;
    color: var(--sidv-cat-accent);
    line-height: 1;
    transition: color 0.35s ease;
}

.sidv-blog-category__label {
    margin-top: 0.35rem;
    font-size: 0.725rem;
    font-weight: 700;
    color: var(--sidv-cat-muted);
    text-transform: uppercase;
    letter-spacing: 0.06em;
    transition: color 0.35s ease;
}

.sidv-blog-category.is-active .sidv-blog-category__meta {
    border-left-color: rgba(255, 255, 255, 0.2);
}

.sidv-blog-category.is-active .sidv-blog-category__count,
.sidv-blog-category.is-active .sidv-blog-category__label {
    color: #ffffff;
}

/*
==================================================
8. RESPONSIVO Y MEDIA QUERIES
==================================================
*/
@media (max-width: 1100px) {
    .sidv-blog-categories__grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
        gap: 1.5rem;
    }
}

@media (max-width: 768px) {
    .sidv-blog-categories {
        padding: 4.5rem 0;
    }

    .sidv-blog-categories__header {
        margin-bottom: 2.75rem;
    }

    .sidv-blog-categories__grid {
        grid-template-columns: 1fr;
        gap: 1.25rem;
    }

    .sidv-blog-category {
        padding: 1.5rem;
    }

    .sidv-blog-category__meta {
        min-width: 58px;
        padding-left: 0.85rem;
    }
}

@media (max-width: 520px) {
    .sidv-blog-category {
        flex-wrap: wrap;
        gap: 1.25rem;
    }

    .sidv-blog-category__meta {
        width: 100%;
        flex-direction: row;
        justify-content: space-between;
        align-items: center;
        border-left: none;
        border-top: 1px solid var(--sidv-cat-border);
        padding-left: 0;
        padding-top: 0.85rem;
        margin-top: 0.25rem;
    }

    .sidv-blog-category__label {
        margin-top: 0;
    }

    .sidv-blog-category.is-active .sidv-blog-category__meta {
        border-top-color: rgba(255, 255, 255, 0.2);
    }
}

/* Accesibilidad */
@media (prefers-reduced-motion: reduce) {
    .sidv-blog-category,
    .sidv-blog-category__icon,
    .sidv-blog-category__title,
    .sidv-blog-category__description {
        transition: none !important;
        transform: none !important;
    }
}