/* ============================================================
   BLOG DE MERCALIA — artículo + escaparate de venta
   Va aparte de styles.css: un artículo no necesita el CSS de la
   tienda entera, y la velocidad de estas páginas es parte del
   posicionamiento.
   ============================================================ */

:root {
  --bl-ink: #131921;
  --bl-body: #3a4552;
  --bl-muted: #6c7681;
  --bl-muted-2: #727c88;
  --bl-line: #e8eaed;
  --bl-bg: #ffffff;
  --bl-suave: #f7f8fa;
  --bl-accent: #c85a1e;
  --bl-accent-txt: #b04e16;
  --bl-accent-soft: #fbf1ea;
  --bl-blue: #14568f;
  --bl-ok: #0a7040;
}

.bl-body {
  margin: 0;
  background: var(--bl-bg);
  color: var(--bl-body);
  font-family: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  font-size: 17px;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}
.bl-body * { box-sizing: border-box; }
.bl-wrap { max-width: 760px; margin: 0 auto; padding: 0 20px; }
.bl-ancho { max-width: 1100px; margin: 0 auto; padding: 0 20px; }

/* ---------- Cabecera y pie propios (sin JS) ---------- */
.bl-head { background: var(--bl-ink); }
.bl-head-in { display: flex; align-items: center; gap: 20px; padding: 13px 0; }
.bl-logo { font-size: 24px; font-weight: 800; letter-spacing: -.5px; color: #fff; text-decoration: none; }
.bl-logo i { display: inline-block; width: 7px; height: 7px; background: var(--bl-accent); border-radius: 50%; margin-left: 2px; vertical-align: 2px; }
.bl-nav { display: flex; gap: 18px; margin-left: auto; }
.bl-nav a {
  font-size: 14px; font-weight: 600; color: rgba(255, 255, 255, .8); text-decoration: none;
  min-height: 44px; display: inline-flex; align-items: center;   /* zona táctil de 44 px */
}
.bl-nav a:hover { color: #fff; }

.bl-foot { background: var(--bl-ink); color: rgba(255, 255, 255, .6); padding: 30px 0 26px; margin-top: 50px; font-size: 13.5px; line-height: 1.75; }
.bl-foot a { color: rgba(255, 255, 255, .75); }
.bl-foot b { color: rgba(255, 255, 255, .9); }
.bl-foot-links { display: flex; flex-wrap: wrap; gap: 8px 18px; margin-bottom: 14px; }
.bl-foot-links a { min-height: 44px; display: inline-flex; align-items: center; }

/* ---------- Artículo ---------- */
/* Los 20 px laterales son los de .bl-wrap: al repetir aquí el
   padding con "0" en los lados se los comía, y en el móvil el texto
   quedaba pegado a los dos bordes de la pantalla. */
.bl-art { padding: 34px 20px 10px; }
.bl-migas { font-size: 13.5px; color: var(--bl-muted); margin-bottom: 14px; }
.bl-migas a { color: var(--bl-muted); text-decoration: none; }
.bl-migas a:hover { color: var(--bl-accent-txt); }

.bl-art h1 {
  font-size: clamp(28px, 4.4vw, 40px); line-height: 1.16; letter-spacing: -.7px;
  font-weight: 800; color: var(--bl-ink); margin: 0 0 14px; text-wrap: balance;
}
.bl-meta { font-size: 13.5px; color: var(--bl-muted-2); margin-bottom: 26px; }
.bl-entradilla {
  font-size: 19px; line-height: 1.62; color: var(--bl-ink);
  padding-left: 16px; border-left: 3px solid var(--bl-accent); margin: 0 0 30px;
}

/* ---------- Imagen de cabecera del artículo ---------- */
.bl-hero { margin: 0 0 26px; }
.bl-hero-foto { text-align: center; }
.bl-hero-foto picture { display: contents; }
.bl-hero-foto img {
  width: 100%; max-width: 380px; height: auto; aspect-ratio: 1 / 1;
  object-fit: contain; background: #fff; border-radius: 14px;
  border: 1px solid var(--bl-linea); padding: 14px; mix-blend-mode: multiply;
}
.bl-hero-foto figcaption { font-size: 13px; color: var(--bl-muted-2); margin-top: 8px; }
.bl-hero-foto figcaption a { color: var(--bl-muted-2); text-decoration: underline; }
.bl-hero-svg {
  display: flex; align-items: center; justify-content: center;
  height: 190px; border-radius: 14px; color: var(--bl-blue);
  background: linear-gradient(135deg, #eef3fb 0%, #e4edf9 60%, #dbe7f7 100%);
}
.bl-hero-svg svg { width: 92px; height: 92px; }

.bl-art h2 {
  font-size: 24px; line-height: 1.25; letter-spacing: -.4px; font-weight: 800;
  color: var(--bl-ink); margin: 38px 0 12px; text-wrap: balance;
}
.bl-art h3 { font-size: 18.5px; font-weight: 700; color: var(--bl-ink); margin: 26px 0 8px; }
.bl-art p { margin: 0 0 16px; }
.bl-art a { color: var(--bl-blue); }
.bl-art ul, .bl-art ol { margin: 0 0 18px; padding-left: 22px; }
.bl-art li { margin-bottom: 8px; }
.bl-art strong, .bl-art b { color: var(--bl-ink); }

.bl-dato {
  background: var(--bl-suave); border-left: 3px solid var(--bl-ok);
  padding: 14px 18px; border-radius: 0 8px 8px 0; margin: 0 0 20px; font-size: 16px;
}
.bl-tabla-caja { overflow-x: auto; margin: 0 0 22px; border: 1px solid var(--bl-line); border-radius: 10px; }
.bl-art table { border-collapse: collapse; width: 100%; font-size: 15.5px; }
.bl-art th, .bl-art td { padding: 11px 14px; text-align: left; border-bottom: 1px solid var(--bl-line); vertical-align: top; }
.bl-art th { background: var(--bl-suave); font-size: 13px; text-transform: uppercase; letter-spacing: .05em; color: var(--bl-muted-2); font-weight: 700; }
.bl-art tr:last-child td { border-bottom: 0; }

/* ---------- Preguntas frecuentes ---------- */
.bl-faq { margin: 34px 0 0; }
.bl-faq details { border: 1px solid var(--bl-line); border-radius: 10px; padding: 0 18px; margin-bottom: 8px; }
.bl-faq summary {
  cursor: pointer; list-style: none; padding: 15px 0; min-height: 44px;
  font-size: 16.5px; font-weight: 700; color: var(--bl-ink);
  display: flex; justify-content: space-between; align-items: center; gap: 14px;
}
.bl-faq summary::-webkit-details-marker { display: none; }
.bl-faq summary::after { content: "＋"; color: var(--bl-muted); font-weight: 400; flex: none; }
.bl-faq details[open] summary::after { content: "－"; }
.bl-faq details p { margin: 0 0 16px; font-size: 16px; }

/* ============================================================
   EL ESCAPARATE
   OJO: dentro de un artículo los <a> heredan color azul y
   subrayado, y las tarjetas quedaban como enlaces de texto. De
   ahí el blindaje con !important.
   ============================================================ */
#bv { margin: 42px 0 10px; }
.bv .bv-card,
.bv .bv-card *,
.bv .bv-mas {
  text-decoration: none !important;
  color: var(--bl-ink) !important;
}

.bv-head { margin-bottom: 16px; }
.bv-head h2 { font-size: 23px; margin: 0 0 4px !important; color: var(--bl-ink); letter-spacing: -.4px; }
.bv-head p { font-size: 14.5px; color: var(--bl-muted); margin: 0 !important; }

.bv-row { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; }
.bv-card {
  position: relative; display: flex; flex-direction: column;
  border: 1px solid var(--bl-line); border-radius: 12px; overflow: hidden;
  background: #fff; transition: border-color .15s, transform .15s;
}
.bv-card:hover { border-color: var(--bl-accent); transform: translateY(-2px); }
.bv-papel {
  position: absolute; top: 10px; left: 10px; z-index: 2;
  font-size: 11.5px; font-weight: 700; letter-spacing: .03em;
  background: var(--bl-accent-soft); color: var(--bl-accent-txt) !important;
  padding: 3px 9px; border-radius: 999px;
}
.bv-img { display: block; aspect-ratio: 1 / 1; padding: 16px; background: #fff; }
.bv-img img { width: 100%; height: 100%; object-fit: contain; mix-blend-mode: multiply; }
.bv-txt { display: flex; flex-direction: column; gap: 3px; padding: 0 14px; flex: 1; }
.bv-marca { font-size: 11.5px; font-weight: 700; letter-spacing: .06em; text-transform: uppercase; color: var(--bl-muted-2) !important; }
.bv-nombre {
  font-size: 14.5px; font-weight: 600; line-height: 1.35;
  display: -webkit-box; -webkit-box-orient: vertical; -webkit-line-clamp: 2; line-clamp: 2; overflow: hidden;
}
.bv-precio { font-size: 21px; font-weight: 800; letter-spacing: -.3px; margin-top: 4px; }
.bv-envio { font-size: 12.5px; color: var(--bl-ok) !important; font-weight: 600; }
.bv-btn {
  display: block; margin: 12px 14px 14px; padding: 11px; border-radius: 8px;
  background: var(--bl-accent); color: #fff !important; text-align: center;
  font-size: 14px; font-weight: 700; min-height: 44px;
  display: flex; align-items: center; justify-content: center;
}
.bv-card:hover .bv-btn { background: #a8480f; }

.bv-mas {
  display: block; text-align: center; margin: 14px auto 0; max-width: 320px;
  padding: 12px 20px; border: 1px solid var(--bl-line); border-radius: 9px;
  font-size: 14.5px; font-weight: 700; min-height: 44px;
  display: flex; align-items: center; justify-content: center;
}
.bv-mas:hover { border-color: var(--bl-accent); color: var(--bl-accent-txt) !important; }

.bv-conf { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; margin-top: 24px; padding-top: 20px; border-top: 1px solid var(--bl-line); }
.bv-c b { display: block; font-size: 13.5px; color: var(--bl-ink); margin-bottom: 2px; }
.bv-c span { display: block; font-size: 12.5px; line-height: 1.5; color: var(--bl-muted-2); }

/* ---------- Barra fija de compra ---------- */
.bv-barra {
  position: fixed; left: 0; right: 0; bottom: 0; z-index: 900;
  display: flex; align-items: stretch; gap: 0;
  background: #fff; border-top: 1px solid var(--bl-line);
  box-shadow: 0 -4px 20px rgba(19, 25, 33, .1);
  transform: translateY(110%); transition: transform .24s ease;
  padding-bottom: env(safe-area-inset-bottom);
}
.bv-barra.visible { transform: translateY(0); }
.bv-barra-in {
  flex: 1; min-width: 0; display: flex; align-items: center; gap: 12px;
  padding: 9px 12px; text-decoration: none !important;
}
.bv-barra-img { flex: none; width: 44px; }
.bv-barra-img img { width: 44px; height: 44px; object-fit: contain; mix-blend-mode: multiply; }
.bv-barra-txt { min-width: 0; flex: 1; }
.bv-barra-txt b {
  display: block; font-size: 13.5px; color: var(--bl-ink); line-height: 1.3;
  white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
}
.bv-barra-txt span { display: block; font-size: 12.5px; color: var(--bl-muted-2); }
.bv-barra-btn {
  flex: none; align-self: center; background: var(--bl-accent); color: #fff !important;
  padding: 11px 20px; border-radius: 8px; font-size: 14.5px; font-weight: 700;
  min-height: 44px; display: flex; align-items: center;
}
.bv-barra-x {
  flex: none; width: 44px; border: 0; background: none; cursor: pointer;
  font-size: 22px; line-height: 1; color: var(--bl-muted);
}

/* ---------- Relacionados ---------- */
.bl-rel { margin-top: 44px; padding-top: 26px; border-top: 1px solid var(--bl-line); }
.bl-rel h2 { font-size: 20px; margin: 0 0 14px; color: var(--bl-ink); }
.bl-rel-lista { display: grid; gap: 8px; }
.bl-rel-lista a {
  display: block; padding: 13px 16px; border: 1px solid var(--bl-line); border-radius: 10px;
  font-size: 15.5px; font-weight: 600; color: var(--bl-ink); text-decoration: none;
  min-height: 44px;
}
.bl-rel-lista a:hover { border-color: var(--bl-accent); color: var(--bl-accent-txt); }
.bl-sigue { margin-top: 16px; font-size: 15.5px; }

/* ---------- Índice del blog ---------- */
.bl-idx-head { padding: 40px 0 26px; }
.bl-idx-head h1 { font-size: clamp(28px, 4vw, 38px); letter-spacing: -.6px; color: var(--bl-ink); margin: 0 0 10px; }
.bl-idx-head p { font-size: 17px; color: var(--bl-body); margin: 0; max-width: 65ch; }
.bl-idx-grupo { margin-bottom: 34px; }
.bl-idx-grupo > h2 { font-size: 21px; color: var(--bl-ink); margin: 0 0 4px; letter-spacing: -.3px; }
.bl-idx-grupo > p { font-size: 14.5px; color: var(--bl-muted); margin: 0 0 16px; }
.bl-idx-lista { display: grid; grid-template-columns: repeat(2, 1fr); gap: 10px; }
.bl-idx-card {
  display: block; padding: 16px 18px; border: 1px solid var(--bl-line);
  border-radius: 11px; text-decoration: none; background: #fff;
}
.bl-idx-card:hover { border-color: var(--bl-accent); }
.bl-idx-card b { display: block; font-size: 16px; color: var(--bl-ink); line-height: 1.35; margin-bottom: 5px; }
.bl-idx-card span { display: block; font-size: 14px; color: var(--bl-muted); line-height: 1.5; }

@media (max-width: 860px) {
  .bv-conf { grid-template-columns: 1fr 1fr; }
  .bl-idx-lista { grid-template-columns: 1fr; }
}
@media (max-width: 640px) {
  .bl-art { padding: 20px 16px 8px; }
  .bl-body { font-size: 16px; line-height: 1.66; }
  .bl-entradilla { font-size: 16.5px; }
  .bl-art h1 { letter-spacing: -.4px; }
  .bl-art h2 { font-size: 20px; margin-top: 26px; }
  .bl-art h3 { font-size: 17px; margin-top: 20px; }
  .bl-art p { margin-bottom: 14px; }
  /* La tabla comparativa se leía a 15,5 px en dos columnas de 170 px */
  .bl-art table { font-size: 14px; }
  .bl-art td, .bl-art th { padding: 9px 10px !important; }
  .bl-art blockquote, .bl-nota { font-size: 15px; padding: 12px 14px; }
  .bl-hero { margin-bottom: 20px; }
  .bl-hero-foto img { max-width: 260px; padding: 10px; }
  .bl-hero-svg { height: 132px; }
  .bl-hero-svg svg { width: 66px; height: 66px; }
  .bv-row { grid-template-columns: 1fr; gap: 10px; }
  /* En una columna la tarjeta va horizontal: ocupa un tercio */
  .bv-card { flex-direction: row; align-items: center; padding-right: 12px; }
  .bv-papel { display: none; }
  .bv-img { width: 96px; flex: none; aspect-ratio: 1 / 1; padding: 10px; }
  .bv-txt { padding: 10px 0 10px 4px; }
  .bv-nombre { font-size: 14px; }
  .bv-precio { font-size: 19px; }
  .bv-btn { margin: 0; padding: 10px 14px; flex: none; }
  .bv-conf { grid-template-columns: 1fr; gap: 12px; }
  .bl-nav { gap: 12px; overflow-x: auto; }
  .bl-nav a { white-space: nowrap; font-size: 13.5px; }
  /* Hueco para la barra fija */
  html.bv-con-barra .bl-foot { padding-bottom: 84px; }
}

/* Respuesta en corto: lo primero que se lee y lo que Google levanta
   para su recuadro de respuesta. Va antes de la entradilla. */
.bl-corto {
  margin: 0 0 16px; padding: 14px 16px; border-radius: 10px;
  background: #eef6ff; border: 1px solid #cfe3f8; border-left: 4px solid #14568f;
  font-size: 16px; line-height: 1.6; color: #1d2b3a;
}
.bl-corto b { color: #14568f; }