/* ============================================
   SÉSARA BLOG — styles
   ============================================ */

.blog-article {
  background: var(--ivory);
  padding-top: 0;
}

/* ── HERO ── */
.blog-hero {
  position: relative;
  height: 60vh;
  min-height: 420px;
  display: flex;
  align-items: flex-end;
  overflow: hidden;
  background: var(--charcoal);
}
.blog-hero-img {
  position: absolute;
  inset: 0;
  width: 100%; height: 100%;
  object-fit: cover;
  object-position: center 40%;
  opacity: 0.55;
}
.blog-hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(28,28,28,0.15) 0%, rgba(28,28,28,0.75) 100%);
}
.blog-hero-content {
  position: relative;
  z-index: 2;
  padding: 2rem clamp(1.2rem, 4vw, 4rem) 3.5rem;
  max-width: 920px;
  width: 100%;
  margin: 0 auto;
}
.blog-hero-backlink {
  display: inline-block;
  font-family: var(--font-sans);
  font-size: 0.75rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: rgba(245,240,232,0.65);
  text-decoration: none;
  margin-bottom: 1.5rem;
}
.blog-hero-backlink:hover { color: var(--amber-light); }
.blog-hero h1 {
  font-family: var(--font-serif);
  font-weight: 300;
  font-size: clamp(2.3rem, 5vw, 4rem);
  line-height: 1.1;
  color: var(--ivory);
  margin: 0 0 1.2rem 0;
  letter-spacing: -0.01em;
}
.blog-hero h1 em { color: var(--amber-light); font-style: italic; }
.blog-hero-meta {
  font-family: var(--font-sans);
  font-size: 0.82rem;
  color: rgba(245,240,232,0.55);
  letter-spacing: 0.04em;
}

/* ── CONTAINER ── */
.blog-container {
  max-width: 760px;
  margin: 0 auto;
  padding: clamp(2.5rem, 5vw, 4rem) clamp(1.2rem, 4vw, 2rem) 6rem;
  background: var(--ivory);
}

.blog-excerpt {
  font-family: var(--font-serif);
  font-size: clamp(1.15rem, 1.8vw, 1.4rem);
  line-height: 1.55;
  color: var(--charcoal-soft);
  font-style: italic;
  border-left: 2px solid var(--amber);
  padding: 0.5rem 0 0.5rem 1.3rem;
  margin-bottom: 3rem;
}

/* ── TOC ── */
.blog-toc {
  background: var(--ivory-dark);
  border-left: 2px solid var(--amber);
  padding: 1.5rem 1.8rem;
  margin-bottom: 3rem;
}
.blog-toc-title {
  font-size: 0.7rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--amber);
  margin: 0 0 0.8rem 0;
  font-weight: 500;
}
.blog-toc ol {
  list-style: none;
  counter-reset: toc;
  padding: 0;
  margin: 0;
}
.blog-toc li {
  counter-increment: toc;
  margin: 0.35rem 0;
  padding-left: 1.8rem;
  position: relative;
}
.blog-toc li::before {
  content: counter(toc, decimal-leading-zero);
  position: absolute;
  left: 0;
  font-family: var(--font-serif);
  font-size: 0.85rem;
  color: var(--amber);
  font-weight: 400;
}
.blog-toc a {
  color: var(--charcoal-soft);
  text-decoration: none;
  font-size: 0.95rem;
  line-height: 1.55;
  transition: color 0.2s;
}
.blog-toc a:hover { color: var(--amber-deep); }

/* ── SECTIONS ── */
.blog-section {
  margin-bottom: 2.8rem;
  scroll-margin-top: 90px;
}
.blog-section h2 {
  font-family: var(--font-serif);
  font-size: clamp(1.6rem, 2.8vw, 2.2rem);
  font-weight: 400;
  color: var(--charcoal);
  margin: 0 0 1.2rem 0;
  line-height: 1.2;
  letter-spacing: -0.005em;
}
.blog-section h3 {
  font-family: var(--font-serif);
  font-size: clamp(1.15rem, 1.8vw, 1.4rem);
  font-weight: 500;
  color: var(--charcoal);
  margin: 1.8rem 0 0.8rem 0;
}
.blog-section p {
  font-family: var(--font-sans);
  font-size: 1rem;
  line-height: 1.75;
  color: var(--charcoal-soft);
  margin: 0 0 1.1rem 0;
}
.blog-section p strong { color: var(--charcoal); font-weight: 500; }
.blog-section p em { color: var(--amber-deep); font-style: italic; }
.blog-section a {
  color: var(--amber-deep);
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
}
.blog-section a:hover { color: var(--charcoal); }
.blog-section ul, .blog-section ol {
  padding-left: 1.4rem;
  margin: 0 0 1.4rem 0;
}
.blog-section li {
  font-size: 1rem;
  line-height: 1.7;
  color: var(--charcoal-soft);
  margin-bottom: 0.5rem;
}
.blog-section li::marker { color: var(--amber); }
.blog-section blockquote {
  border-left: 2px solid var(--amber);
  padding: 0.5rem 1.2rem;
  margin: 1.5rem 0;
  font-family: var(--font-serif);
  font-style: italic;
  font-size: 1.1rem;
  color: var(--charcoal);
}
.blog-section img {
  width: 100%;
  height: auto;
  margin: 1.8rem 0;
  border-radius: 2px;
}

/* ── CTA producto ── */
.blog-cta {
  display: grid;
  grid-template-columns: 140px 1fr;
  gap: 1.8rem;
  align-items: center;
  background: var(--charcoal);
  color: var(--ivory);
  padding: 1.8rem 2rem;
  margin: 2.5rem 0;
}
.blog-cta img {
  width: 140px;
  height: 140px;
  object-fit: cover;
  border-radius: 2px;
  background: var(--ivory-dark);
}
.blog-cta h3 {
  font-family: var(--font-serif);
  font-size: 1.4rem;
  margin: 0 0 0.5rem 0;
  color: var(--ivory);
  font-weight: 400;
}
.blog-cta p {
  margin: 0 0 1rem 0;
  color: rgba(245,240,232,0.7);
  font-size: 0.95rem;
  line-height: 1.55;
}
.blog-cta-row {
  display: flex;
  align-items: center;
  gap: 1.2rem;
}
.blog-cta-price {
  font-family: var(--font-serif);
  font-size: 1.4rem;
  color: var(--amber-light);
  font-weight: 400;
}

/* ── FAQ ── */
.blog-faq {
  background: var(--ivory-dark);
  padding: 2.5rem;
  margin: 3rem 0;
}
.blog-faq h2 {
  font-family: var(--font-serif);
  font-size: 1.7rem;
  font-weight: 400;
  margin: 0 0 1.4rem 0;
  color: var(--charcoal);
}
.blog-faq-list { display: flex; flex-direction: column; gap: 0.2rem; }
.blog-faq-item {
  border-bottom: 1px solid rgba(28,28,28,0.1);
  padding: 0.6rem 0;
}
.blog-faq-item:last-child { border-bottom: none; }
.blog-faq-item summary {
  cursor: pointer;
  font-family: var(--font-serif);
  font-size: 1.1rem;
  color: var(--charcoal);
  padding: 0.8rem 0;
  list-style: none;
  position: relative;
  padding-right: 2rem;
}
.blog-faq-item summary::-webkit-details-marker { display: none; }
.blog-faq-item summary::after {
  content: '+';
  position: absolute;
  right: 0;
  top: 50%;
  transform: translateY(-50%);
  font-size: 1.3rem;
  color: var(--amber);
  transition: transform 0.2s;
}
.blog-faq-item[open] summary::after { transform: translateY(-50%) rotate(45deg); }
.blog-faq-item div {
  padding: 0 0 1rem 0;
  font-size: 0.95rem;
  line-height: 1.7;
  color: var(--charcoal-soft);
}

/* ── Related ── */
.blog-related {
  margin: 3rem 0 1rem;
  padding-top: 2rem;
  border-top: 1px solid rgba(28,28,28,0.1);
}
.blog-related h2 {
  font-family: var(--font-serif);
  font-size: 0.8rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--amber);
  margin-bottom: 1.2rem;
  font-weight: 500;
}
.blog-related ul { list-style: none; padding: 0; margin: 0; }
.blog-related li { margin: 0.4rem 0; }
.blog-related a {
  display: block;
  color: var(--charcoal);
  text-decoration: none;
  font-family: var(--font-serif);
  font-size: 1.15rem;
  padding: 0.5rem 0;
  border-bottom: 1px solid rgba(28,28,28,0.06);
  transition: color 0.2s;
}
.blog-related a:hover { color: var(--amber-deep); }

.blog-footer {
  margin-top: 3rem;
  padding-top: 1.5rem;
  border-top: 1px solid rgba(28,28,28,0.08);
  font-size: 0.82rem;
  color: var(--charcoal-muted);
}

/* ── Blog INDEX ── */
.blog-index {
  padding: clamp(4rem, 8vw, 7rem) clamp(1.2rem, 4vw, 2rem) 6rem;
  background: var(--ivory);
}
.blog-index-inner {
  max-width: 980px;
  margin: 0 auto;
}
.blog-index-header { margin-bottom: 3rem; text-align: center; }
.blog-index-header h1 {
  font-family: var(--font-serif);
  font-weight: 300;
  font-size: clamp(2.5rem, 5vw, 4rem);
  color: var(--charcoal);
  margin: 0 0 0.5rem 0;
}
.blog-index-header h1 em { color: var(--amber-deep); font-style: italic; }
.blog-index-header p {
  color: var(--charcoal-muted);
  font-size: 1.05rem;
  max-width: 620px;
  margin: 0 auto;
}

.blog-index-list {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 2rem;
  margin-top: 3rem;
}
.blog-card {
  display: flex;
  flex-direction: column;
  text-decoration: none;
  background: var(--white);
  border: 1px solid rgba(28,28,28,0.06);
  transition: transform 0.3s, box-shadow 0.3s;
}
.blog-card:hover {
  transform: translateY(-3px);
  box-shadow: 0 10px 30px rgba(28,28,28,0.08);
}
.blog-card img {
  width: 100%;
  aspect-ratio: 16/10;
  object-fit: cover;
}
.blog-card-body { padding: 1.4rem 1.5rem 1.8rem; }
.blog-card-tag {
  font-size: 0.7rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--amber);
  margin-bottom: 0.5rem;
}
.blog-card-title {
  font-family: var(--font-serif);
  font-size: 1.3rem;
  font-weight: 400;
  color: var(--charcoal);
  line-height: 1.3;
  margin: 0 0 0.6rem 0;
}
.blog-card-excerpt {
  font-size: 0.92rem;
  line-height: 1.6;
  color: var(--charcoal-muted);
  margin: 0;
}
.blog-card-date {
  font-size: 0.75rem;
  color: var(--charcoal-muted);
  margin-top: 1rem;
  letter-spacing: 0.04em;
}

@media (max-width: 680px) {
  .blog-cta { grid-template-columns: 1fr; text-align: center; }
  .blog-cta img { width: 100%; height: 220px; margin: 0 auto; }
  .blog-cta-row { flex-direction: column; gap: 0.8rem; }
}