/**
 * blog.css — Estilos del Blog y detalle de artículo
 * Pilates Integral Chile · Diseño editorial
 */

/* ══ BLOG HERO ══════════════════════════════════════════════════ */
.blog-hero {
    padding: calc(var(--nav-h) + 5rem) var(--gutter) 5rem;
    background: var(--ink);
    text-align: center;
}
.blog-hero__content .eyebrow { color: var(--rose-pale); }
.blog-hero__content h1 {
    font-family: var(--font-display);
    font-size: clamp(3rem, 7vw, 6rem);
    font-weight: 300;
    font-style: italic;
    color: var(--white);
    margin: 1rem 0 1.2rem;
    line-height: 1;
}
.blog-hero__content p {
    font-size: 1.1rem;
    color: rgba(255,255,255,0.65);
    max-width: 560px;
    margin: 0 auto;
    line-height: 1.6;
}

/* ══ FILTROS ════════════════════════════════════════════════════ */
.blog-filters {
    background: var(--white);
    border-bottom: 1px solid var(--nude);
    position: sticky;
    top: 0;
    z-index: 100;
}
.blog-filters__inner {
    max-width: var(--container);
    margin: 0 auto;
    padding: 1rem var(--gutter);
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
    overflow-x: auto;
}
.blog-filter {
    padding: 0.45rem 1.1rem;
    border: 1.5px solid var(--nude);
    background: var(--white);
    color: var(--charcoal);
    font-family: var(--font-sans);
    font-size: 0.85rem;
    font-weight: 500;
    border-radius: 100px;
    cursor: pointer;
    white-space: nowrap;
    transition: all 0.25s ease;
}
.blog-filter:hover { border-color: var(--rose); color: var(--rose); }
.blog-filter.active { background: var(--ink); border-color: var(--ink); color: var(--white); }

/* ══ LISTADO ════════════════════════════════════════════════════ */
.blog-list-section { padding: clamp(3rem, 6vw, 6rem) var(--gutter); background: var(--off-white); }
.blog-list-inner   { max-width: var(--container); margin: 0 auto; }

/* Loading */
.blog-loading {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1rem;
    padding: 5rem 0;
    color: var(--charcoal);
    opacity: 0.5;
}
.blog-loading__spinner {
    width: 36px; height: 36px;
    border: 3px solid var(--nude);
    border-top-color: var(--rose);
    border-radius: 50%;
    animation: blogSpin 0.7s linear infinite;
}
@keyframes blogSpin { to { transform: rotate(360deg); } }

.blog-empty {
    text-align: center;
    padding: 5rem 0;
    font-size: 1.1rem;
    color: var(--charcoal);
    opacity: 0.5;
}

/* ══ GRID ════════════════════════════════════════════════════════ */
.blog-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
}
.blog-grid--small { grid-template-columns: repeat(3, 1fr); gap: 1.5rem; }

/* Card destacada — ocupa 2 columnas */
.blog-card--featured {
    grid-column: 1 / -1;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0;
}
.blog-card--featured .blog-card__image { height: 420px; }
.blog-card--featured .blog-card__title { font-size: clamp(1.6rem, 2.5vw, 2.4rem); }

/* Card normal */
.blog-card {
    background: var(--white);
    border-radius: 8px;
    overflow: hidden;
    cursor: pointer;
    transition: transform 0.35s var(--ease-out), box-shadow 0.35s ease;
    border: 1px solid var(--nude);
}
.blog-card:hover {
    transform: translateY(-6px);
    box-shadow: 0 16px 40px -12px rgba(35,32,32,0.15);
}
.blog-card__image {
    width: 100%;
    height: 220px;
    overflow: hidden;
    background: var(--nude-light);
}
.blog-card__image img {
    width: 100%; height: 100%;
    object-fit: cover;
    transition: transform 0.6s var(--ease-out);
}
.blog-card:hover .blog-card__image img { transform: scale(1.04); }
.blog-card__placeholder {
    width: 100%; height: 100%;
    background: linear-gradient(135deg, var(--nude-light), var(--nude));
}
.blog-card__body {
    padding: 1.5rem 1.8rem 2rem;
    display: flex;
    flex-direction: column;
    gap: 0.7rem;
}
.blog-card--featured .blog-card__body {
    padding: 2.5rem 2.5rem;
    justify-content: center;
}
.blog-cat {
    display: inline-block;
    font-family: var(--font-sans);
    font-size: 0.72rem;
    font-weight: 700;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: var(--rose-deep);
}
.blog-card__title {
    font-family: var(--font-display);
    font-size: 1.25rem;
    font-weight: 400;
    color: var(--ink);
    line-height: 1.25;
    margin: 0;
}
.blog-card__excerpt {
    font-size: 0.92rem;
    color: var(--charcoal);
    opacity: 0.72;
    line-height: 1.6;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}
.blog-card__meta {
    display: flex;
    gap: 1rem;
    font-size: 0.78rem;
    color: var(--charcoal);
    opacity: 0.5;
    margin-top: auto;
    padding-top: 0.8rem;
    border-top: 1px solid var(--nude);
}

/* ══ PAGINACIÓN ══════════════════════════════════════════════════ */
.blog-pagination {
    display: flex;
    gap: 0.5rem;
    justify-content: center;
    margin-top: 3rem;
    flex-wrap: wrap;
}
.blog-pagination button {
    padding: 0.55rem 1rem;
    border: 1.5px solid var(--nude);
    background: var(--white);
    font-family: var(--font-sans);
    font-size: 0.88rem;
    color: var(--charcoal);
    border-radius: 6px;
    cursor: pointer;
    transition: all 0.2s ease;
}
.blog-pagination button:hover { border-color: var(--rose); color: var(--rose); }
.blog-pagination button.active { background: var(--ink); border-color: var(--ink); color: var(--white); }

/* ══ ARTÍCULO — HERO ═════════════════════════════════════════════ */
.articulo-hero {
    min-height: 70vh;
    position: relative;
    display: flex;
    align-items: flex-end;
    background: var(--ink);
    background-size: cover;
    background-position: center top;
}
.articulo-hero--with-image::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(to top, rgba(35,32,32,0.9) 0%, rgba(35,32,32,0.3) 60%, rgba(35,32,32,0.1) 100%);
}
.articulo-hero--no-image {
    background: linear-gradient(135deg, var(--ink), #2d4e62);
    min-height: 50vh;
}
.articulo-hero__overlay {
    position: relative;
    z-index: 2;
    width: 100%;
    padding: calc(var(--nav-h) + 3rem) var(--gutter) 4rem;
    max-width: calc(var(--container) + 2 * var(--gutter));
    margin: 0 auto;
}
.articulo-breadcrumb {
    display: inline-block;
    color: rgba(255,255,255,0.6);
    font-family: var(--font-sans);
    font-size: 0.85rem;
    text-decoration: none;
    margin-bottom: 1rem;
    transition: color 0.2s ease;
}
.articulo-breadcrumb:hover { color: var(--white); }
.articulo-hero__content h1 {
    font-family: var(--font-display);
    font-size: clamp(2rem, 5vw, 4rem);
    font-weight: 300;
    color: var(--white);
    line-height: 1.15;
    margin-top: 0.8rem;
    max-width: 760px;
}

/* ══ ARTÍCULO — BODY ════════════════════════════════════════════ */
.articulo-body {
    background: var(--white);
    padding: 4rem var(--gutter);
}
.articulo-body__inner {
    max-width: 760px;
    margin: 0 auto;
}

/* Meta */
.articulo-meta {
    display: flex;
    align-items: center;
    gap: 2rem;
    flex-wrap: wrap;
    padding-bottom: 2rem;
    margin-bottom: 2.5rem;
    border-bottom: 1px solid var(--nude);
}
.articulo-meta__item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.88rem;
    color: var(--charcoal);
    opacity: 0.65;
}
.articulo-meta__item svg { width: 16px; height: 16px; stroke: var(--rose); }
.articulo-meta__ia {
    color: var(--rose-deep);
    opacity: 1;
    font-weight: 500;
}

/* Contenido HTML generado */
.articulo-content {
    font-size: 1.08rem;
    line-height: 1.9;
    color: var(--charcoal);
}
.articulo-content h2 {
    font-family: var(--font-display);
    font-size: clamp(1.5rem, 2.5vw, 2rem);
    font-weight: 400;
    color: var(--ink);
    margin: 2.5rem 0 1rem;
    line-height: 1.2;
}
.articulo-content h3 {
    font-family: var(--font-display);
    font-size: 1.3rem;
    font-weight: 400;
    color: var(--ink);
    margin: 2rem 0 0.8rem;
}
.articulo-content p { margin-bottom: 1.4rem; }
.articulo-content ul, .articulo-content ol {
    padding-left: 1.5rem;
    margin-bottom: 1.4rem;
}
.articulo-content li { margin-bottom: 0.5rem; }
.articulo-content strong { color: var(--ink); font-weight: 600; }

/* Imagen secundaria */
.articulo-img-secundaria {
    margin: 3rem 0;
    border-radius: 8px;
    overflow: hidden;
}
.articulo-img-secundaria img {
    width: 100%;
    max-height: 480px;
    object-fit: cover;
    display: block;
}

/* Tags */
.articulo-tags {
    display: flex;
    align-items: center;
    gap: 0.6rem;
    flex-wrap: wrap;
    margin-top: 3rem;
    padding-top: 2rem;
    border-top: 1px solid var(--nude);
}
.articulo-tags__label {
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--charcoal);
    opacity: 0.5;
    letter-spacing: 0.06em;
    text-transform: uppercase;
}
.articulo-tag {
    padding: 0.3rem 0.9rem;
    background: var(--nude-light);
    border-radius: 100px;
    font-size: 0.82rem;
    color: var(--charcoal);
}

/* ══ RELACIONADOS ════════════════════════════════════════════════ */
.articulo-related {
    background: var(--off-white);
    padding: 5rem var(--gutter);
}
.articulo-related__inner { max-width: var(--container); margin: 0 auto; }
.articulo-related h2 {
    font-family: var(--font-display);
    font-size: clamp(1.6rem, 3vw, 2.4rem);
    font-weight: 400;
    color: var(--ink);
    margin-bottom: 2.5rem;
}

/* ══ CTA DEL ARTÍCULO ════════════════════════════════════════════ */
.articulo-cta {
    background: var(--ink);
    padding: clamp(4rem, 8vw, 7rem) var(--gutter);
    text-align: center;
}
.articulo-cta__inner { max-width: 640px; margin: 0 auto; }
.articulo-cta h2 {
    font-family: var(--font-display);
    font-size: clamp(1.8rem, 3.5vw, 3rem);
    font-weight: 300;
    color: var(--white);
}

/* ══ NOT FOUND ═══════════════════════════════════════════════════ */
.articulo-notfound {
    text-align: center;
    padding: 8rem var(--gutter);
}
.articulo-notfound h2 {
    font-family: var(--font-display);
    font-size: 2rem;
    color: var(--ink);
    margin-bottom: 1.5rem;
}
.articulo-notfound a {
    color: var(--rose-deep);
    text-decoration: none;
    font-weight: 500;
}
.articulo-loading {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 60vh;
}

/* ══ RESPONSIVE ══════════════════════════════════════════════════ */
@media (max-width: 1024px) {
    .blog-grid { grid-template-columns: repeat(2, 1fr); }
    .blog-grid--small { grid-template-columns: repeat(2, 1fr); }
    .blog-card--featured { grid-template-columns: 1fr; }
    .blog-card--featured .blog-card__image { height: 300px; }
}
@media (max-width: 680px) {
    .blog-grid { grid-template-columns: 1fr; }
    .blog-grid--small { grid-template-columns: 1fr; }
    .blog-card--featured { grid-column: 1; }
    .articulo-hero { min-height: 55vh; }
    .articulo-meta { gap: 1rem; }
}

/* ─── Figura con imagen secundaria dentro del artículo ────────── */
.articulo-figure {
    margin: 2.5rem -2rem;
    border-radius: 8px;
    overflow: hidden;
}
.articulo-figure img {
    width: 100%;
    max-height: 500px;
    object-fit: cover;
    display: block;
}
@media (max-width: 768px) {
    .articulo-figure { margin: 2rem -1rem; border-radius: 0; }
}