/* ============================================================
   ON TIME INTERNATIONAL — Blog
   Se carga después de /index.css y usa sus variables (--red, --dark, ...).
   Colores de texto secundarios >= 4.5:1 sobre blanco (WCAG AA).
   ============================================================ */

:root {
  --blog-muted: #5b5b57;      /* 6.5:1 sobre blanco */
  --blog-line: #e4e4e0;
  --blog-ease: cubic-bezier(0.16, 1, 0.3, 1);
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  margin: -1px;
  padding: 0;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.container--narrow { max-width: 760px; }
.container--wide { max-width: 1040px; }

/* ---------- Foco visible (teclado) ---------- */
.blog-card a:focus-visible,
.blog-filters a:focus-visible,
.blog-pagination a:focus-visible,
.blog-toc a:focus-visible,
.blog-toc summary:focus-visible,
.blog-share a:focus-visible,
.blog-back a:focus-visible,
.blog-breadcrumb a:focus-visible,
.blog-post__content a:focus-visible,
.blog-chip:focus-visible {
  outline: 3px solid var(--dark);
  outline-offset: 3px;
  border-radius: 2px;
}

/* ---------- Encabezado del listado ---------- */
.blog-hero { min-height: 340px; }

/* ---------- Filtros ---------- */
.blog-filters ul {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 0 0 40px;
  padding: 0;
  list-style: none;
}

.blog-filters a {
  display: inline-block;
  padding: 8px 18px;
  border: 1px solid var(--blog-line);
  border-radius: 999px;
  font-size: .9rem;
  font-weight: 600;
  color: var(--dark);
  background: var(--white);
  transition: background .25s var(--blog-ease), color .25s var(--blog-ease), border-color .25s var(--blog-ease);
}

.blog-filters a:hover { border-color: var(--dark); }

.blog-filters a[aria-current="page"] {
  background: var(--dark);
  border-color: var(--dark);
  color: var(--white);
}

/* ---------- Tarjetas ---------- */
.blog-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 32px;
}

.blog-card {
  display: flex;
  flex-direction: column;
  background: var(--white);
  border: 1px solid var(--blog-line);
  border-radius: 6px;
  overflow: hidden;
  transition: transform .3s var(--blog-ease), box-shadow .3s var(--blog-ease);
}

.blog-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 14px 34px rgba(29, 29, 27, .12);
}

.blog-card__media {
  display: block;
  aspect-ratio: 16 / 9;
  overflow: hidden;
  background: var(--gray-light);
}

.blog-card__media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform .5s var(--blog-ease);
}

.blog-card:hover .blog-card__media img { transform: scale(1.04); }

.blog-card__body {
  display: flex;
  flex-direction: column;
  flex: 1;
  padding: 24px 24px 26px;
}

.blog-card__meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin: 0 0 12px;
  font-size: .82rem;
  color: var(--blog-muted);
}

.blog-chip {
  display: inline-block;
  padding: 3px 10px;
  background: var(--dark);
  color: var(--white);
  border-radius: 3px;
  font-size: .72rem;
  font-weight: 700;
  letter-spacing: .8px;
  text-transform: uppercase;
}

.blog-card__title {
  margin: 0 0 10px;
  font-size: 1.25rem;
  line-height: 1.3;
  font-weight: 700;
}

.blog-card__title a { color: var(--dark); }
.blog-card__title a:hover { color: var(--red); }

.blog-card__excerpt {
  margin: 0 0 18px;
  font-size: .95rem;
  line-height: 1.6;
  color: var(--blog-muted);
}

.blog-card__more {
  margin-top: auto;
  font-weight: 700;
  font-size: .92rem;
  color: var(--red);
}

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

.blog-card--featured {
  grid-column: 1 / -1;
  flex-direction: row;
}

.blog-card--featured .blog-card__media {
  flex: 1.2;
  aspect-ratio: auto;
  min-height: 320px;
}

.blog-card--featured .blog-card__body {
  flex: 1;
  justify-content: center;
  padding: 40px;
}

.blog-card--featured .blog-card__title { font-size: 1.9rem; }
.blog-card--featured .blog-card__excerpt { font-size: 1.02rem; }

.blog-empty {
  padding: 60px 0;
  text-align: center;
  font-size: 1.1rem;
  color: var(--blog-muted);
}

.blog-preview-badge {
  display: inline-block;
  margin: 0 0 24px;
  padding: 6px 14px;
  background: #fff4cc;
  border: 1px solid #d9b100;
  border-radius: 4px;
  font-size: .85rem;
  font-weight: 700;
  color: #4a3b00;
}

/* ---------- Paginación ---------- */
.blog-pagination ul {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 24px;
  margin: 48px 0 0;
  padding: 0;
  list-style: none;
}

.blog-pagination a { font-weight: 700; color: var(--red); }
.blog-pagination a:hover { text-decoration: underline; }
.blog-pagination [aria-current] { color: var(--blog-muted); font-size: .92rem; }

/* ---------- Artículo ---------- */
.blog-post__head {
  padding-top: calc(var(--nav-height) + 36px);
}

.blog-breadcrumb ol {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 0 0 28px;
  padding: 0;
  list-style: none;
  font-size: .85rem;
}

.blog-breadcrumb li + li::before {
  content: "/";
  margin-right: 8px;
  color: var(--blog-muted);
}

.blog-breadcrumb a { color: var(--blog-muted); }
.blog-breadcrumb a:hover { color: var(--red); text-decoration: underline; }

.blog-post__cat { margin: 0 0 14px; }

.blog-post__head h1 {
  margin: 0 0 18px;
  font-size: clamp(2rem, 4.4vw, 3rem);
  line-height: 1.15;
  font-weight: 700;
  letter-spacing: -.5px;
  text-wrap: balance;
}

.blog-post__lead {
  margin: 0 0 22px;
  font-size: 1.2rem;
  line-height: 1.6;
  color: var(--blog-muted);
}

.blog-post__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 0 0 36px;
  font-size: .9rem;
  color: var(--blog-muted);
}

.blog-post__cover {
  margin: 0 0 48px;
}

.blog-post__cover img {
  width: 100%;
  height: auto;
  max-height: 560px;
  object-fit: cover;
  border-radius: 6px;
  background: var(--gray-light);
}

.blog-post__layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  max-width: 760px;
  margin: 0 auto;
}

/* Tabla de contenido */
.blog-toc {
  margin: 0 0 36px;
  padding: 18px 22px;
  background: var(--gray-light);
  border-left: 4px solid var(--red);
  border-radius: 0 6px 6px 0;
}

.blog-toc summary {
  cursor: pointer;
  font-weight: 700;
  font-size: 1rem;
}

.blog-toc ol {
  margin: 14px 0 0;
  padding: 0;
  list-style: none;
}

.blog-toc li { margin: 0 0 8px; font-size: .95rem; line-height: 1.4; }
.blog-toc__l3 { padding-left: 18px; }
.blog-toc a { color: var(--dark); }
.blog-toc a:hover { color: var(--red); text-decoration: underline; }

/* Cuerpo */
.blog-post__content {
  font-size: 1.1rem;
  line-height: 1.8;
  color: #262624;
}

.blog-post__content > * + * { margin-top: 1.25em; }

.blog-post__content h2,
.blog-post__content h3,
.blog-post__content h4 {
  margin-top: 2.2em;
  margin-bottom: .2em;
  line-height: 1.25;
  font-weight: 700;
  color: var(--dark);
  scroll-margin-top: calc(var(--nav-height) + 24px);
  text-wrap: balance;
}

.blog-post__content h2 { font-size: 1.7rem; }
.blog-post__content h3 { font-size: 1.3rem; }
.blog-post__content h4 { font-size: 1.1rem; }

.blog-post__content a {
  color: var(--red);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.blog-post__content a:hover { color: var(--red-dark); }

.blog-post__content ul,
.blog-post__content ol { padding-left: 1.4em; }
.blog-post__content li + li { margin-top: .4em; }

.blog-post__content blockquote {
  margin-left: 0;
  padding: 6px 0 6px 22px;
  border-left: 4px solid var(--red);
  font-size: 1.15rem;
  color: var(--dark);
}

.blog-post__content img {
  max-width: 100%;
  height: auto;
  border-radius: 6px;
}

.blog-post__content figure { margin-left: 0; margin-right: 0; }

.blog-post__content figcaption {
  margin-top: 10px;
  font-size: .88rem;
  color: var(--blog-muted);
  text-align: center;
}

.blog-post__content hr {
  border: 0;
  border-top: 1px solid var(--blog-line);
  margin: 2.5em 0;
}

.blog-post__content code {
  padding: 2px 6px;
  background: var(--gray-light);
  border-radius: 3px;
  font-size: .92em;
}

.blog-post__content pre {
  padding: 18px;
  overflow-x: auto;
  background: var(--dark);
  color: var(--white);
  border-radius: 6px;
}

.blog-post__content pre code { padding: 0; background: none; color: inherit; }

.blog-post__content iframe,
.blog-post__content video {
  max-width: 100%;
  border: 0;
  border-radius: 6px;
}

.blog-table { overflow-x: auto; }

.blog-post__content table {
  width: 100%;
  border-collapse: collapse;
  font-size: .98rem;
}

.blog-post__content th,
.blog-post__content td {
  padding: 10px 14px;
  border: 1px solid var(--blog-line);
  text-align: left;
}

.blog-post__content th { background: var(--gray-light); }

/* Compartir / volver */
.blog-share {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 14px;
  margin: 56px 0 0;
  padding: 20px 0;
  border-top: 1px solid var(--blog-line);
  border-bottom: 1px solid var(--blog-line);
}

.blog-share__label { font-weight: 700; }

.blog-share ul {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.blog-share a {
  display: inline-block;
  padding: 8px 16px;
  border: 1px solid var(--dark);
  border-radius: 999px;
  font-size: .9rem;
  font-weight: 600;
  color: var(--dark);
  transition: background .25s var(--blog-ease), color .25s var(--blog-ease);
}

.blog-share a:hover { background: var(--dark); color: var(--white); }

.blog-back { margin: 24px 0 64px; font-weight: 700; }
.blog-back a { color: var(--red); }
.blog-back a:hover { text-decoration: underline; }

/* ---------- Llamado a la acción ---------- */
.blog-cta {
  padding: 56px 0;
  background: var(--dark);
  color: var(--white);
}

.blog-cta__inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 28px;
}

.blog-cta h2 { margin: 0 0 8px; font-size: 1.7rem; line-height: 1.25; }
.blog-cta p { margin: 0; max-width: 560px; color: rgba(255, 255, 255, .85); }
.blog-cta__actions { display: flex; flex-wrap: wrap; gap: 14px; }

.blog-related h2 { margin: 0 0 32px; font-size: 1.7rem; }

.blog-404 { padding-top: calc(var(--nav-height) + 80px); text-align: center; }
.blog-404 h1 { margin: 0 0 14px; }

/* ---------- Responsive ---------- */
@media (max-width: 860px) {
  .blog-card--featured { flex-direction: column; }
  .blog-card--featured .blog-card__media { min-height: 0; aspect-ratio: 16 / 9; }
  .blog-card--featured .blog-card__body { padding: 24px; }
  .blog-card--featured .blog-card__title { font-size: 1.4rem; }
  .blog-hero { min-height: 280px; }
}

@media (max-width: 560px) {
  .blog-grid { grid-template-columns: 1fr; gap: 24px; }
  .blog-post__content { font-size: 1.05rem; }
  .blog-cta__actions .btn { width: 100%; }
}

/* ---------- Movimiento reducido ---------- */
@media (prefers-reduced-motion: reduce) {
  .blog-card,
  .blog-card__media img,
  .blog-filters a,
  .blog-share a {
    transition: none;
  }
  .blog-card:hover { transform: none; }
  .blog-card:hover .blog-card__media img { transform: none; }
}