/* ==========================================================================
   Blog — Clínica Diana Dussan
   Reutiliza variables y componentes de /styles/custom.css (container, section,
   btn, cards, cta-row, footer, wa-fab). Este archivo solo añade lo específico
   del blog: portada, tarjetas de artículo, ficha profesional y FAQ.
   ========================================================================== */

/* ---------- Hero de sección de blog ---------- */
.blog-hero{
  padding-block: 56px 32px;
  text-align: center;
}
.blog-hero .eyebrow{
  font-family: var(--font-montserrat);
  font-size: 12px;
  letter-spacing: .22em;
  text-transform: uppercase;
  color: var(--ink-80);
  margin-bottom: 12px;
}
.blog-hero h1{
  font-family: var(--font-bodoni);
  font-size: clamp(28px, 4vw, 46px);
  line-height: 1.15;
  margin: 0 auto 16px;
  max-width: 820px;
}
.blog-hero p.lead{
  font-family: var(--font-montserrat);
  font-size: 17px;
  color: var(--ink-80);
  max-width: 640px;
  margin: 0 auto;
}

/* ---------- Breadcrumb ---------- */
.breadcrumb{
  font-family: var(--font-montserrat);
  font-size: 13px;
  color: var(--ink-80);
  padding-top: 18px;
}
.breadcrumb a{ color: var(--ink-80); text-decoration: none; }
.breadcrumb a:hover{ color: var(--ink); text-decoration: underline; }

/* ---------- Grid de artículos (portada del blog) ---------- */
.blog-grid{
  display: grid;
  gap: 28px;
  grid-template-columns: 1fr;
}
@media (min-width: 640px){
  .blog-grid{ grid-template-columns: repeat(2, 1fr); }
}
@media (min-width: 1024px){
  .blog-grid{ grid-template-columns: repeat(3, 1fr); }
}

.blog-btn{
  display: flex;
  flex-direction: column;
  text-decoration: none;
  color: var(--ink);
  background: #fff;
  border: 1px solid var(--g-200);
  border-radius: 18px;
  overflow: hidden;
  transition: transform .25s ease, box-shadow .25s ease, border-color .25s ease;
}
.blog-btn:hover{
  transform: translateY(-4px);
  box-shadow: 0 20px 40px rgba(0,0,0,.08);
  border-color: var(--g-300);
}
.blog-btn__media{
  width: 100%;
  aspect-ratio: 4/3;
  background: var(--g-100);
  overflow: hidden;
}
.blog-btn__media img{
  width: 100%; height: 100%;
  object-fit: cover;
  display: block;
  transition: transform .5s ease;
}
.blog-btn:hover .blog-btn__media img{ transform: scale(1.06); }
.blog-btn__body{
  padding: 20px 22px 24px;
  display: flex; flex-direction: column; gap: 10px; flex: 1;
}
.blog-btn__cat{
  font-family: var(--font-montserrat);
  font-size: 11px; letter-spacing: .14em; text-transform: uppercase;
  color: #b8895f;
  font-weight: 600;
}
.blog-btn__title{
  font-family: var(--font-bodoni);
  font-size: 21px; line-height: 1.25; margin: 0;
}
.blog-btn__excerpt{
  font-family: var(--font-montserrat);
  font-size: 14px; color: var(--ink-80); line-height: 1.5; margin: 0;
  flex: 1;
}
.blog-btn__cta{
  margin-top: 6px;
  font-family: var(--font-montserrat);
  font-size: 13px; font-weight: 600;
  display: inline-flex; align-items: center; gap: 6px;
}
.blog-btn__cta svg{ width: 14px; height: 14px; transition: transform .25s ease; }
.blog-btn:hover .blog-btn__cta svg{ transform: translateX(4px); }

/* ---------- Artículo ---------- */
.post-hero{
  padding-block: 40px 24px;
}
.post-hero .eyebrow{
  font-family: var(--font-montserrat);
  font-size: 12px; letter-spacing:.2em; text-transform:uppercase;
  color:#b8895f; font-weight:600; margin-bottom:14px;
}
.post-hero h1{
  font-family: var(--font-bodoni);
  font-size: clamp(30px, 4.4vw, 50px);
  line-height: 1.12;
  max-width: 900px;
  margin: 0 0 18px;
}
.post-hero .lead{
  font-family: var(--font-montserrat);
  font-size: 18px; color: var(--ink-80); max-width: 700px; margin: 0 0 28px;
}
.post-meta{
  display:flex; flex-wrap:wrap; gap:16px; align-items:center;
  font-family: var(--font-montserrat); font-size: 13px; color: var(--ink-80);
  margin-bottom: 8px;
}
.post-hero__media{
  width:100%; border-radius: 22px; overflow:hidden; margin-top: 28px;
  aspect-ratio: 16/8; background: var(--g-100);
}
.post-hero__media img{ width:100%; height:100%; object-fit:cover; display:block; }

.post-body{
  max-width: 780px;
}
.post-body h2{
  font-family: var(--font-bodoni);
  font-size: clamp(22px, 2.6vw, 30px);
  margin: 48px 0 16px;
}
.post-body h3{
  font-family: var(--font-montserrat);
  font-size: 18px; margin: 28px 0 10px;
}
.post-body p{
  font-family: var(--font-montserrat);
  font-size: 16px; line-height: 1.75; color: var(--ink); margin: 0 0 16px;
}
.post-body ul{
  font-family: var(--font-montserrat);
  font-size: 16px; line-height: 1.7; color: var(--ink);
  padding-left: 22px; margin: 0 0 20px;
}
.post-body li{ margin-bottom: 8px; }
.post-body strong{ font-weight: 700; }

/* ---------- Callout de autoridad (técnica exclusiva) ---------- */
.signature-box{
  background: linear-gradient(180deg, #fbf7f2, #f5efe6);
  border: 1px solid #ecdfcd;
  border-radius: 18px;
  padding: 28px 28px;
  margin: 28px 0 8px;
}
.signature-box h2{
  font-family: var(--font-bodoni);
  font-size: 20px; margin: 0 0 10px;
}
.signature-box p{ margin: 0; }

/* ---------- Ficha profesional de la Dra. Diana Dussan ---------- */
.ficha{
  background: #fff;
  border: 1px solid var(--g-200);
  border-radius: 20px;
  overflow: hidden;
}
.ficha__head{
  padding: 24px 26px 14px;
  border-bottom: 3px solid var(--ink);
  display: flex; align-items: center; gap: 16px;
}
.ficha__avatar{
  width: 56px; height: 56px; border-radius: 999px; object-fit: cover;
  border: 1px solid var(--g-200); flex-shrink: 0;
}
.ficha__head h3{
  font-family: var(--font-bodoni);
  font-size: 26px; margin: 0; letter-spacing: .02em;
}
.ficha-table{
  width: 100%;
  border-collapse: collapse;
  font-family: var(--font-montserrat);
  font-size: 14.5px;
}
.ficha-table tr{ border-top: 1px solid var(--g-200); }
.ficha-table tr:first-child{ border-top: none; }
.ficha-table th{
  text-align: left;
  padding: 14px 16px;
  width: 42%;
  background: var(--g-50);
  color: var(--ink-80);
  font-weight: 700;
  letter-spacing: .04em;
  vertical-align: top;
}
.ficha-table td{
  padding: 14px 16px;
  vertical-align: top;
}
.ficha__foot{
  padding: 18px 26px 24px;
}

/* ---------- FAQ ---------- */
.faq{ display: flex; flex-direction: column; gap: 10px; }
.faq details{
  border: 1px solid var(--g-200);
  border-radius: 14px;
  padding: 4px 20px;
  background: #fff;
}
.faq summary{
  cursor: pointer;
  list-style: none;
  padding: 16px 0;
  font-family: var(--font-montserrat);
  font-weight: 600;
  font-size: 15.5px;
  display: flex; align-items: center; justify-content: space-between; gap: 12px;
}
.faq summary::-webkit-details-marker{ display: none; }
.faq summary::after{
  content: '+';
  font-size: 22px; font-weight: 400; color: var(--ink-80); flex-shrink: 0;
}
.faq details[open] summary::after{ content: '–'; }
.faq p{
  font-family: var(--font-montserrat);
  font-size: 15px; line-height: 1.65; color: var(--ink-80);
  margin: 0 0 18px;
}

/* ---------- CTA de agenda (repetible en todo el blog) ---------- */
.post-cta{
  background: var(--ink);
  color: #fff;
  border-radius: 22px;
  padding: 40px 32px;
  text-align: center;
}
.post-cta h3{
  font-family: var(--font-bodoni);
  font-size: clamp(22px, 3vw, 30px);
  margin: 0 0 10px; color: #fff;
}
.post-cta p{
  font-family: var(--font-montserrat);
  color: rgba(255,255,255,.78);
  margin: 0 0 24px;
}
.post-cta .cta-row{ justify-content: center; margin-top: 0; }
.btn-gold{
  display:inline-flex; align-items:center; justify-content:center; gap:8px;
  padding: 14px 28px; border-radius: 12px;
  background: #d7b77a; color: #16130f; font-weight: 700;
  font-family: var(--font-montserrat); text-decoration:none;
  border: 1px solid #d7b77a;
  transition: filter .2s ease;
}
.btn-gold:hover{ filter: brightness(1.06); }
.btn-outline-light{
  display:inline-flex; align-items:center; justify-content:center; gap:8px;
  padding: 14px 28px; border-radius: 12px;
  background: transparent; color:#fff; font-weight: 600;
  font-family: var(--font-montserrat); text-decoration:none;
  border: 1px solid rgba(255,255,255,.4);
  transition: background .2s ease;
}
.btn-outline-light:hover{ background: rgba(255,255,255,.1); }

/* ---------- Antes / después ---------- */
.ba-grid{
  display:grid; gap:16px; grid-template-columns: repeat(2, 1fr);
  margin: 20px 0 4px;
}
.ba-grid figure{ margin:0; }
.ba-grid img{
  width:100%; aspect-ratio: 3/4; object-fit: cover;
  border-radius: 16px; border: 1px solid var(--g-200); display:block;
}
.ba-grid figcaption{
  text-align:center; font-family: var(--font-montserrat);
  font-size: 12px; color: var(--ink-80); margin-top: 8px; letter-spacing:.04em;
}

/* ---------- Relacionados ---------- */
.related-grid{
  display:grid; gap:20px; grid-template-columns: 1fr;
}
@media (min-width:768px){
  .related-grid{ grid-template-columns: repeat(4, 1fr); }
}
.related-card{
  display:block; text-decoration:none; color:var(--ink);
  border: 1px solid var(--g-200); border-radius: 14px; overflow:hidden;
  transition: box-shadow .2s ease, transform .2s ease;
}
.related-card:hover{ box-shadow: 0 12px 24px rgba(0,0,0,.08); transform: translateY(-2px); }
.related-card__media{ aspect-ratio: 4/3; background: var(--g-100); }
.related-card__media img{ width:100%; height:100%; object-fit:cover; display:block; }
.related-card__title{
  font-family: var(--font-montserrat); font-weight:600; font-size:13.5px;
  padding: 12px 14px; line-height:1.4;
}