/* ==========================================================================
   ROISA TECH — Estilos del blog
   Reutiliza variables de styles.css (--blue, --cyan, --bg-*, etc.)
   Ámbito: /blog, /casos-de-exito
   ========================================================================== */

.blog-main {
  min-height: 60vh;
  padding-top: 96px;   /* espacio para navbar fijo */
  padding-bottom: 80px;
  background: linear-gradient(180deg, var(--bg-0) 0%, var(--bg-1) 100%);
  color: var(--text);
}

.container--narrow { max-width: 760px; margin: 0 auto; padding: 0 24px; }
.container--wide   { max-width: 1180px; margin: 0 auto; padding: 0 24px; }

/* ---------- HERO ---------- */
.blog-hero {
  padding: 48px 0 40px;
  border-bottom: 1px solid var(--border);
  background: radial-gradient(ellipse at top, rgba(99,163,225,0.08), transparent 60%);
}
.blog-hero--sub { padding-top: 32px; padding-bottom: 24px; }
.blog-hero__eyebrow {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--cyan);
  padding: 4px 10px;
  border: 1px solid var(--cyan-border);
  border-radius: 999px;
  background: var(--cyan-dim);
  margin-bottom: 16px;
}
.blog-hero__title {
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 4vw, 2.8rem);
  line-height: 1.15;
  margin: 0 0 16px;
  color: var(--text);
}
.blog-hero__title-accent {
  color: var(--cyan);
}
.blog-hero__lede {
  font-size: 1.05rem;
  line-height: 1.65;
  color: var(--text-muted);
  max-width: 720px;
  margin: 0 0 28px;
}
.blog-hero__cats {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}
.blog-hero__cat {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 14px;
  border-radius: 999px;
  border: 1px solid var(--border-blue);
  color: var(--text-muted);
  font-size: 0.85rem;
  text-decoration: none;
  transition: var(--transition);
}
.blog-hero__cat:hover { background: var(--dim); color: var(--blue-light); }
.blog-hero__cat--active { background: var(--brand-gradient); color: #fff; border-color: transparent; }
.blog-hero__cat span { opacity: 0.6; font-size: 0.75rem; }

/* ---------- FEATURED ---------- */
.blog-featured { padding: 40px 0 24px; }
.blog-featured__eyebrow {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--blue);
  margin-bottom: 12px;
}

/* ---------- LIST ---------- */
.blog-list { padding: 32px 0 40px; }
.blog-list__title {
  font-family: var(--font-display);
  font-size: 1.4rem;
  margin: 0 0 24px;
  color: var(--text);
}
.blog-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 24px;
}
.blog-empty { padding: 48px 0; color: var(--text-muted); }
.blog-empty a { color: var(--cyan); }

/* ---------- POST CARD ---------- */
.post-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  transition: var(--transition);
  position: relative;
}
.post-card:hover {
  transform: translateY(-2px);
  border-color: var(--border-blue);
  box-shadow: var(--glow);
}
.post-card__link { display: block; color: inherit; text-decoration: none; }
.post-card__cover {
  aspect-ratio: 16/9;
  overflow: hidden;
  background: var(--bg-2);
}
.post-card__cover img { width: 100%; height: 100%; object-fit: cover; display: block; }
.post-card__body { padding: 20px 22px 22px; }
.post-card__meta {
  display: flex; flex-wrap: wrap; align-items: center; gap: 8px;
  font-size: 0.75rem; color: var(--text-faint);
  margin-bottom: 12px;
}
.post-card__cat {
  padding: 2px 8px;
  border-radius: 4px;
  background: var(--dim);
  color: var(--blue-light);
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.06em;
}
.post-card__rt { color: var(--text-faint); }
.post-card__title {
  font-family: var(--font-display);
  font-size: 1.2rem;
  line-height: 1.35;
  margin: 0 0 10px;
  color: var(--text);
}
.post-card__desc {
  font-size: 0.92rem;
  line-height: 1.6;
  color: var(--text-muted);
  margin: 0 0 14px;
}
.post-card__tags { display: flex; flex-wrap: wrap; gap: 6px; margin-bottom: 14px; }
.post-card__tag {
  font-size: 0.72rem;
  color: var(--text-faint);
  font-family: var(--font-mono);
}
.post-card__cta {
  display: inline-flex; align-items: center; gap: 6px;
  color: var(--cyan);
  font-size: 0.88rem;
  font-weight: 600;
}
.post-card--featured .post-card__cover { aspect-ratio: 21/9; }
.post-card--featured .post-card__title { font-size: 1.55rem; }
.post-card--featured .post-card__body { padding: 28px 32px 32px; }

/* ---------- POST ---------- */
.post__header {
  padding: 40px 0 32px;
  border-bottom: 1px solid var(--border);
}
.post__back {
  display: inline-block;
  color: var(--cyan);
  text-decoration: none;
  font-size: 0.9rem;
  margin-bottom: 20px;
}
.post__back:hover { text-decoration: underline; }
.post__meta {
  display: flex; flex-wrap: wrap; align-items: center; gap: 8px;
  font-size: 0.82rem; color: var(--text-faint);
  margin-bottom: 18px;
}
.post__cat {
  padding: 4px 12px;
  border-radius: 999px;
  background: var(--brand-gradient);
  color: #fff;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}
.post__title {
  font-family: var(--font-display);
  font-size: clamp(2rem, 5vw, 3rem);
  line-height: 1.15;
  margin: 0 0 20px;
  color: var(--text);
}
.post__lede {
  font-size: 1.2rem;
  line-height: 1.55;
  color: var(--text-muted);
  margin: 0 0 20px;
}
.post__author {
  font-size: 0.9rem;
  color: var(--text-faint);
}
.post__author strong { color: var(--blue-light); font-weight: 600; }
.post__cover { padding: 32px 0; }
.post__cover img {
  width: 100%; height: auto;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  display: block;
}

/* ---------- POST BODY (markdown) ---------- */
.post__body {
  font-size: 1.05rem;
  line-height: 1.8;
  color: var(--text-muted);
  padding-top: 32px;
  padding-bottom: 32px;
}
.post__body > * + * { margin-top: 1.2em; }
.post__body h2 {
  font-family: var(--font-display);
  font-size: 1.7rem;
  color: var(--text);
  margin-top: 2.4em;
  margin-bottom: 0.5em;
  line-height: 1.3;
}
.post__body h3 {
  font-family: var(--font-display);
  font-size: 1.3rem;
  color: var(--text);
  margin-top: 1.8em;
  margin-bottom: 0.4em;
}
.post__body p { margin: 1em 0; }
.post__body a {
  color: var(--cyan);
  text-decoration: underline;
  text-decoration-color: rgba(6,182,212,0.35);
  text-underline-offset: 3px;
}
.post__body a:hover { text-decoration-color: var(--cyan); }
.post__body strong { color: var(--text); font-weight: 600; }
.post__body em { color: var(--blue-light); }
.post__body blockquote {
  border-left: 3px solid var(--cyan);
  padding: 8px 20px;
  margin: 24px 0;
  background: var(--cyan-dim);
  color: var(--text);
  font-style: italic;
  border-radius: 0 var(--radius) var(--radius) 0;
}
.post__body ul, .post__body ol { padding-left: 1.4em; margin: 1em 0; }
.post__body li { margin: 0.4em 0; }
.post__body code {
  font-family: var(--font-mono);
  font-size: 0.9em;
  background: var(--bg-2);
  padding: 2px 6px;
  border-radius: 4px;
  color: var(--blue-light);
  border: 1px solid var(--border);
}
.post__body pre {
  background: var(--bg-2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px;
  overflow-x: auto;
  font-size: 0.9rem;
  line-height: 1.6;
}
.post__body pre code {
  background: transparent;
  border: none;
  padding: 0;
  color: inherit;
}
.post__body img {
  width: 100%; height: auto;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  margin: 20px 0;
}
.post__body table {
  width: 100%;
  border-collapse: collapse;
  margin: 20px 0;
  font-size: 0.92rem;
}
.post__body th, .post__body td {
  padding: 10px 14px;
  border: 1px solid var(--border);
  text-align: left;
}
.post__body th { background: var(--dim); color: var(--text); font-weight: 600; }
.post__body hr { border: none; border-top: 1px solid var(--border); margin: 40px 0; }

.post__tags { padding-top: 24px; padding-bottom: 8px; }
.post__tag {
  display: inline-block;
  margin-right: 10px;
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--blue-light);
}

/* ---------- RELATED ---------- */
.post-related {
  padding: 60px 0 40px;
  border-top: 1px solid var(--border);
  margin-top: 40px;
}
.post-related__title {
  font-family: var(--font-display);
  font-size: 1.4rem;
  margin: 0 0 24px;
  color: var(--text);
}

/* ---------- CTA ---------- */
.post-cta {
  padding: 60px 0 20px;
  text-align: center;
}
.post-cta h2 {
  font-family: var(--font-display);
  font-size: 1.8rem;
  margin: 0 0 12px;
  color: var(--text);
}
.post-cta p {
  font-size: 1.05rem;
  color: var(--text-muted);
  margin: 0 0 24px;
}

/* ---------- CASOS DE ÉXITO ---------- */
.cases-list { padding: 40px 0; }
.cases-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(360px, 1fr));
  gap: 28px;
}
.case-card {
  background: var(--bg-card);
  border: 1px solid var(--border-blue);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: var(--transition);
  position: relative;
}
.case-card::before {
  content: '';
  position: absolute; top: 0; left: 0; right: 0;
  height: 3px;
  background: var(--brand-gradient);
}
.case-card:hover {
  transform: translateY(-3px);
  border-color: var(--cyan-border);
  box-shadow: var(--glow-strong);
}
.case-card__link { display: block; color: inherit; text-decoration: none; }
.case-card__cover { aspect-ratio: 16/9; overflow: hidden; background: var(--bg-2); }
.case-card__cover img { width: 100%; height: 100%; object-fit: cover; }
.case-card__body { padding: 24px 26px 26px; }
.case-card__meta {
  display: flex; justify-content: space-between; align-items: center;
  font-size: 0.75rem; color: var(--text-faint);
  margin-bottom: 12px;
}
.case-card__ind {
  padding: 3px 10px;
  border-radius: 4px;
  background: var(--dim);
  color: var(--cyan);
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.05em;
}
.case-card__title {
  font-family: var(--font-display);
  font-size: 1.35rem;
  line-height: 1.3;
  margin: 0 0 12px;
  color: var(--text);
}
.case-card__desc {
  font-size: 0.95rem;
  line-height: 1.6;
  color: var(--text-muted);
  margin: 0 0 18px;
}
.case-card__facts {
  display: grid;
  grid-template-columns: 1fr;
  gap: 8px;
  padding: 14px 16px;
  background: var(--bg-2);
  border-radius: var(--radius);
  border: 1px solid var(--border);
  margin: 0 0 18px;
}
.case-card__facts > div { display: flex; gap: 8px; font-size: 0.85rem; }
.case-card__facts dt { color: var(--text-faint); font-weight: 500; min-width: 76px; }
.case-card__facts dd { color: var(--text); margin: 0; font-weight: 500; }
.case-card__cta {
  display: inline-flex; align-items: center; gap: 6px;
  color: var(--cyan);
  font-size: 0.9rem;
  font-weight: 600;
}

/* ---------- CASE DETAIL FACTS ---------- */
.case__facts {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 12px;
  margin: 32px auto;
  padding: 20px;
  background: var(--bg-card);
  border: 1px solid var(--border-blue);
  border-radius: var(--radius);
}
.case__fact { display: flex; flex-direction: column; gap: 4px; }
.case__fact dt {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-faint);
}
.case__fact dd { margin: 0; color: var(--text); font-weight: 600; font-size: 1rem; }

/* ---------- RESPONSIVE ---------- */
@media (max-width: 640px) {
  .blog-main { padding-top: 80px; }
  .blog-hero { padding: 32px 0 28px; }
  .post-card--featured .post-card__body { padding: 20px 22px 22px; }
  .post-card--featured .post-card__title { font-size: 1.3rem; }
  .blog-grid { grid-template-columns: 1fr; }
  .cases-grid { grid-template-columns: 1fr; }
}