/* ============================================================
   Blog headless — estilos específicos (artículo, TOC, paginación)
   Se carga junto con /css/styles.css
   ============================================================ */

.post-grid--2 { grid-template-columns: repeat(2, 1fr); }

/* ---------- Héroe del artículo ---------- */
.article-hero {
    position: relative;
    padding: 170px 0 56px;
    background:
        radial-gradient(circle at 78% 18%, rgba(14, 165, 233, .14), transparent 30%),
        var(--ink);
}
.article-hero .container { max-width: 860px; }
.back-link {
    display: inline-flex;
    margin-bottom: 26px;
    color: var(--copy);
    font-size: 14px;
    font-weight: 600;
    transition: color .2s ease;
}
.back-link:hover { color: var(--cyan); }
.article-hero .post-meta { display: block; margin-bottom: 16px; }
.article-hero h1 { color: var(--white); font-size: clamp(34px, 5vw, 56px); letter-spacing: -.045em; line-height: 1.1; }
.article-lead { margin-top: 20px; color: var(--copy); font-size: 18px; line-height: 1.6; }

/* ---------- Layout del artículo ---------- */
.article-layout { display: grid; grid-template-columns: minmax(0, 1fr) 300px; gap: 56px; align-items: start; }
.article-body { min-width: 0; }
.article-featured { width: 100%; border-radius: 16px; border: 1px solid var(--line); margin-bottom: 36px; }

.article-content { max-width: 720px; color: var(--copy); font-size: 17px; line-height: 1.75; }
.article-content h2 { margin: 44px 0 16px; color: var(--white); font-size: 28px; letter-spacing: -.02em; }
.article-content h3 { margin: 32px 0 12px; color: var(--white); font-size: 22px; }
.article-content h4 { margin: 28px 0 10px; color: var(--white); font-size: 18px; }
.article-content p { margin: 0 0 20px; }
.article-content a { color: var(--cyan); text-decoration: underline; text-underline-offset: 3px; }
.article-content a:hover { color: #fff; }
.article-content ul, .article-content ol { margin: 0 0 20px; padding-left: 24px; }
.article-content li { margin-bottom: 8px; }
.article-content blockquote { margin: 24px 0; padding: 18px 22px; border-left: 2px solid var(--cyan); background: var(--panel); border-radius: 0 12px 12px 0; color: var(--white); font-style: italic; }
.article-content img { max-width: 100%; height: auto; border-radius: 12px; }
.article-content code { padding: 2px 6px; border-radius: 6px; background: var(--panel); font: 500 14px 'IBM Plex Mono', monospace; color: var(--cyan); }
.article-content pre { overflow-x: auto; margin: 0 0 20px; padding: 18px; border: 1px solid var(--line); border-radius: 12px; background: var(--panel); }
.article-content pre code { padding: 0; background: transparent; color: var(--copy); }
.article-content hr { margin: 32px 0; border: 0; border-top: 1px solid var(--line); }
.article-content figure { margin: 0 0 20px; }
.article-content figcaption { color: var(--dim); font-size: 13px; text-align: center; margin-top: 10px; }
.article-content table { width: 100%; border-collapse: collapse; margin-bottom: 20px; font-size: 15px; }
.article-content th, .article-content td { padding: 10px 12px; border: 1px solid var(--line); text-align: left; }
.article-content th { color: var(--white); background: var(--panel); }

/* ---------- CTA final del artículo ---------- */
.article-cta { margin-top: 48px; padding: 34px; border: 1px solid var(--line-strong); border-radius: 18px; background: linear-gradient(145deg, var(--panel-2), var(--ink-soft)); text-align: center; }
.article-cta h3 { color: var(--white); font-size: 22px; }
.article-cta p { margin: 10px 0 20px; color: var(--copy); font-size: 14px; }

/* ---------- Sidebar ---------- */
.article-side { position: sticky; top: 130px; display: grid; gap: 18px; }
.toc { padding: 22px; border: 1px solid var(--line); border-radius: 14px; background: var(--panel); }
.toc-title { color: var(--white); font: 600 13px 'Montserrat', sans-serif; }
.toc ul { list-style: none; margin-top: 14px; display: grid; gap: 8px; }
.toc li a { color: var(--copy); font-size: 13px; line-height: 1.4; transition: color .2s ease; }
.toc li a:hover, .toc li a.active { color: var(--cyan); }
.toc li.toc-l3 a { padding-left: 14px; font-size: 12px; }
.article-cta-box { padding: 22px; border: 1px solid var(--line-strong); border-radius: 14px; background: linear-gradient(145deg, var(--panel-2), var(--ink-soft)); }
.article-cta-box .mono { color: var(--cyan); font: 500 11px 'IBM Plex Mono', monospace; letter-spacing: .08em; text-transform: uppercase; }
.article-cta-box p { margin: 10px 0 14px; color: var(--copy); font-size: 13px; }

/* ---------- Paginación ---------- */
.pagination { display: flex; align-items: center; justify-content: center; gap: 18px; margin-top: 40px; flex-wrap: wrap; }
.pagination-link { padding: 10px 18px; border: 1px solid var(--line); border-radius: 10px; color: var(--white); font-size: 13px; font-weight: 600; transition: border-color .2s ease, transform .2s ease; }
.pagination-link:hover { border-color: var(--cyan); transform: translateY(-2px); }
.pagination-info { color: var(--dim); font: 500 12px 'IBM Plex Mono', monospace; }

/* ---------- Responsive ---------- */
@media (max-width: 980px) {
    .article-layout { grid-template-columns: 1fr; }
    .article-side { position: static; }
    .post-grid--2 { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 620px) {
    .article-hero { padding: 140px 0 44px; }
    .post-grid--2 { grid-template-columns: 1fr; }
    .article-content { font-size: 16px; }
}