/* ============================================
   MASTERHACKS - BLOG UI
   Tipografía de artículo (prose), layout de lectura,
   listado profesional y componentes del blog.
   ============================================ */

/* ---------- Barra de progreso de lectura ---------- */
.blog-progress {
    position: fixed;
    top: 0;
    left: 0;
    height: 3px;
    width: 0;
    z-index: 1000;
    background: linear-gradient(90deg, var(--color-primary), var(--color-primary-bright));
    transition: width 80ms linear;
}

/* ---------- Cabecera del artículo ---------- */
.blog-header {
    max-width: 800px;
    margin: 0 auto;
    padding: 0 1.5rem;
}

.blog-header .eyebrow {
    margin-bottom: 1.1rem;
}

.blog-title {
    font-size: clamp(2rem, 6vw, 3.3rem);
    line-height: 1.08;
    letter-spacing: -1.5px;
    margin: 0 0 1.4rem;
    text-wrap: balance;
}

.blog-meta {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 0.5rem 1rem;
    font-family: var(--font-mono);
    font-size: 0.8rem;
    color: var(--color-text-dim);
}

.blog-meta .sep {
    opacity: 0.35;
}

.blog-author-chip {
    display: inline-flex;
    align-items: center;
    gap: 0.55rem;
    color: var(--color-text);
}

.blog-author-chip .avatar {
    width: 30px;
    height: 30px;
    border-radius: 50%;
    display: grid;
    place-items: center;
    font-size: 0.72rem;
    font-weight: 700;
    font-family: var(--font-mono);
    color: #fff;
    background: linear-gradient(135deg, var(--color-primary-bright), var(--color-primary));
}

/* ---------- Portada ---------- */
.blog-cover {
    max-width: 980px;
    margin: 2.5rem auto 0;
    padding: 0 1.5rem;
}

.blog-cover .frame {
    border-radius: 20px;
    overflow: hidden;
    aspect-ratio: 16 / 9;
    border: 1px solid var(--border-soft);
    background: var(--color-surface);
}

.blog-cover img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

/* ---------- Columna de lectura ---------- */
.blog-column {
    max-width: 720px;
    margin: 0 auto;
    padding: 0 1.5rem;
}

.module {
    margin-top: 2.25rem;
}

.blog-deck {
    font-size: clamp(1.1rem, 1.15rem + 0.2vw, 1.28rem);
    line-height: 1.65;
    color: var(--color-text);
    font-weight: 500;
    padding: 1.4rem 0 1.6rem;
    border-bottom: 1px solid var(--border-soft);
}

/* ---------- PROSE: tipografía del cuerpo ---------- */
.prose {
    font-size: clamp(1.03rem, 1.05rem + 0.15vw, 1.18rem);
    line-height: 1.8;
    color: #d4d4d8;
    margin-top: 2rem;
}

.prose > * + * {
    margin-top: 1.35em; /* ritmo vertical uniforme: separa títulos de textos */
}

.prose h2,
.prose h3,
.prose h4 {
    color: var(--color-text);
    letter-spacing: -0.4px;
    scroll-margin-top: 96px;
    position: relative;
}

.prose h2 {
    font-size: clamp(1.5rem, 2.6vw, 1.95rem);
    line-height: 1.2;
    margin-top: 3.1rem;
    padding-top: 1.6rem;
    border-top: 1px solid var(--border-soft);
}

.prose h3 {
    font-size: 1.32rem;
    line-height: 1.3;
    margin-top: 2.3rem;
}

.prose h4 {
    font-size: 1.12rem;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    margin-top: 2rem;
    color: var(--color-text-dim);
}

.prose p {
    text-wrap: pretty;
}

.prose a {
    color: var(--color-primary-bright);
    text-decoration: none;
    border-bottom: 1px solid rgba(255, 74, 56, 0.35);
    padding-bottom: 1px;
}

.prose a:hover {
    border-bottom-color: var(--color-primary-bright);
}

.prose strong {
    color: #fff;
    font-weight: 600;
}

.prose em {
    color: #e7e7ea;
}

.prose ul,
.prose ol {
    padding-left: 1.4rem;
    display: grid;
    gap: 0.5rem;
}

.prose ul li::marker,
.prose ol li::marker {
    color: var(--color-primary);
}

.prose blockquote {
    border-left: 3px solid var(--color-primary);
    background: var(--color-surface);
    border-radius: 0 14px 14px 0;
    padding: 1.1rem 1.4rem;
    font-style: italic;
    color: var(--color-text-dim);
}

.prose blockquote p {
    margin: 0;
}

.prose code {
    font-family: var(--font-mono);
    font-size: 0.86em;
    background: var(--color-secondary);
    border: 1px solid var(--border-soft);
    padding: 0.14em 0.42em;
    border-radius: 6px;
    color: var(--color-primary-bright);
}

.prose pre {
    background: #0b0b0e;
    border: 1px solid var(--border-soft);
    border-radius: 14px;
    padding: 1.2rem 1.4rem;
    overflow-x: auto;
    line-height: 1.65;
}

.prose pre code {
    background: transparent;
    border: 0;
    padding: 0;
    color: #e8e8ea;
    font-size: 0.86rem;
}

.prose img {
    max-width: 100%;
    border-radius: 14px;
    display: block;
}

.prose hr {
    border: 0;
    border-top: 1px solid var(--border-soft);
    margin: 2.8rem auto;
    max-width: 90px;
}

.prose table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.95em;
}

.prose th,
.prose td {
    border: 1px solid var(--border-soft);
    padding: 0.6rem 0.85rem;
    text-align: left;
}

.prose th {
    background: var(--color-surface);
    color: var(--color-text);
    font-weight: 600;
}

/* ---------- Índice (TOC) ---------- */
.blog-toc {
    border: 1px solid var(--border-soft);
    background: var(--color-surface);
    border-radius: 16px;
    padding: 1.2rem 1.5rem;
}

.blog-toc[open] summary {
    margin-bottom: 0.9rem;
}

.blog-toc summary {
    cursor: pointer;
    list-style: none;
    font-family: var(--font-mono);
    font-size: 0.72rem;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--color-text-dim);
}

.blog-toc summary::-webkit-details-marker {
    display: none;
}

.blog-toc ol {
    padding-left: 1.2rem;
    display: grid;
    gap: 0.45rem;
}

.blog-toc a {
    color: var(--color-text-dim);
    text-decoration: none;
    font-size: 0.95rem;
}

.blog-toc a:hover {
    color: var(--color-primary-bright);
}

/* ---------- Tags ---------- */
.blog-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.blog-back {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--color-primary-bright);
    font-family: var(--font-mono);
    font-size: 0.82rem;
    text-decoration: none;
}

.blog-back:hover {
    text-decoration: underline;
}

/* ---------- Listado (cards profesionales) ---------- */
.blog-section {
    padding-top: clamp(2rem, 5vh, 3.5rem);
    padding-bottom: clamp(3rem, 8vh, 6rem);
}

.post-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 24px;
}

.post-card {
    display: flex;
    flex-direction: column;
    overflow: hidden;
    border-radius: 18px;
    background: var(--color-surface);
    border: 1px solid var(--border-soft);
    padding: 0;
    text-decoration: none;
    transition: transform 0.22s ease, border-color 0.22s ease, box-shadow 0.22s ease;
}

.post-card:hover {
    transform: translateY(-4px);
    border-color: var(--color-primary-soft);
    box-shadow: 0 18px 44px -18px rgba(255, 1, 0, 0.28);
}

.post-card .thumb {
    aspect-ratio: 16 / 9;
    overflow: hidden;
    background: var(--color-secondary);
    flex-shrink: 0;
}

.post-card .thumb img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    transition: transform 0.4s ease;
}

.post-card:hover .thumb img {
    transform: scale(1.04);
}

.post-card .thumb.placeholder {
    display: grid;
    place-items: center;
    font-family: var(--font-mono);
    font-size: 0.72rem;
    letter-spacing: 0.14em;
    color: var(--color-text-faint);
}

.post-card .body {
    padding: 1.4rem 1.5rem 1.6rem;
    display: flex;
    flex-direction: column;
    gap: 0.7rem;
    flex: 1;
}

.post-card .cat {
    font-family: var(--font-mono);
    font-size: 0.68rem;
    letter-spacing: 0.14em;
    color: var(--color-primary-bright);
}

.post-card h3 {
    font-size: 1.18rem;
    line-height: 1.32;
    color: var(--color-text);
}

.post-card p.excerpt {
    color: var(--color-text-dim);
    font-size: 0.92rem;
    line-height: 1.55;
}

.post-card .foot {
    margin-top: auto;
    padding-top: 0.9rem;
    border-top: 1px solid var(--border-soft);
    font-family: var(--font-mono);
    font-size: 0.74rem;
    color: var(--color-text-faint);
    display: flex;
    justify-content: space-between;
    gap: 0.5rem;
}

/* ---------- CTA de herramienta del sistema (artículo) ---------- */
.blog-tool-cta {
    margin-top: 1.6rem;
}

.blog-tool-inner {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.9rem;
    padding: 1.8rem 1.5rem;
    border: 1px solid #26262d;
    border-radius: 14px;
    background: linear-gradient(180deg, rgba(255, 1, 0, 0.06), rgba(255, 1, 0, 0.015) 55%), #101013;
    color: #f3f2f0;
    text-align: center;
}

.blog-tool-eyebrow {
    font-family: var(--font-mono, ui-monospace, monospace);
    font-size: 0.66rem;
    letter-spacing: 0.16em;
    color: #9aa4b2;
    text-transform: uppercase;
}

.blog-tool-btn {
    display: inline-flex;
    align-items: center;
    gap: 0.6rem;
    font-family: var(--font-mono, ui-monospace, monospace);
    font-size: 0.9rem;
    letter-spacing: 0.04em;
    font-weight: 700;
    padding: 0.75rem 1.5rem;
    border-radius: 999px;
    background: #ff0100;
    color: #ffffff;
    text-decoration: none;
    box-shadow: 0 12px 28px -12px rgba(255, 1, 0, 0.55);
    transition: transform 0.18s ease, box-shadow 0.18s ease;
}

.blog-tool-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 16px 34px -12px rgba(255, 1, 0, 0.7);
}

.blog-tool-btn:focus-visible {
    outline: 2px solid #ffffff;
    outline-offset: 2px;
}

.post-card .foot .arrow {
    color: var(--color-primary);
}

/* ---------- Responde mejor en móvil ---------- */
@media (max-width: 640px) {
    .blog-cover .frame {
        aspect-ratio: 4 / 3;
    }

    .blog-meta {
        gap: 0.4rem 0.8rem;
        font-size: 0.74rem;
    }
}