/* daezpro.com — 13b-articulo.css
   Componentes de lectura del artículo de eficiencia de caldera (.art-*).
   Consume solo tokens de 00-tokens-base.css; trato de usted. */

/* ------------------------------------------------------------ CABECERA */
.art-meta{
  display:flex;
  align-items:center;
  gap:16px;
  flex-wrap:wrap;
  margin-bottom:22px;
}
.art-date{ font-family:var(--font-mono); font-size:var(--fs-xs); color:var(--text-body); }
.art-dek{ margin-top:22px; max-width:58ch; }
.art-byline{
  display:flex;
  align-items:center;
  gap:12px;
  margin-top:30px;
  padding:20px 0;
  border-top:1px solid var(--border);
  border-bottom:1px solid var(--border);
}
.art-byline__badge{
  flex:0 0 auto;
  width:44px; height:44px;
  border-radius:50%;
  background:var(--text-strong);
  color:var(--text-invert);
  display:grid; place-items:center;
  font-family:var(--font-display);
  font-weight:700; font-size:var(--fs-title);
}
.art-byline__name{ font-family:var(--font-display); font-weight:600; font-size:var(--fs-title); color:var(--text-strong); }
.art-byline__role{ font-family:var(--font-mono); font-size:var(--fs-xs); color:var(--text-body); margin-top:3px; }

/* ------------------------------------------------------ IMAGEN DESTACADA */
.art-hero{
  position:relative;
  margin-top:32px;
  border-radius:var(--r-xl);
  overflow:hidden;
  border:1px solid var(--border);
  box-shadow:var(--sh-sm);
}
.art-hero img{ width:100%; height:clamp(220px,34vw,380px); object-fit:cover; display:block; }
.art-hero::after{
  content:"";
  position:absolute; inset:0;
  background:linear-gradient(180deg, transparent 55%, color-mix(in srgb, var(--text-strong) 55%, transparent));
  pointer-events:none;
}
.art-hero__cap{
  position:absolute; left:16px; bottom:14px; z-index:1;
  font-family:var(--font-mono);
  font-size:var(--fs-xs); letter-spacing:.12em; text-transform:uppercase;
  color:var(--text-invert); opacity:.92;
}

/* ------------------------------------------------------- CUERPO DE LECTURA */
.art-body{ max-width:70ch; }
.art-body p{ font-size:var(--fs-h3); line-height:1.75; color:var(--text-body); margin:0 0 20px; }
.art-body h2{
  font-family:var(--font-display);
  font-weight:600;
  font-size:clamp(24px,3vw,32px);
  letter-spacing:-0.02em;
  line-height:1.15;
  color:var(--text-strong);
  margin:46px 0 16px;
  text-wrap:balance;
}
.art-body ul, .art-body ol{ margin:0 0 22px; padding-left:24px; }
.art-body ul{ list-style:disc; }
.art-body ol{ list-style:decimal; }
.art-body li{ font-size:var(--fs-h3); line-height:1.7; color:var(--text-body); margin-bottom:12px; }
.art-body strong{ color:var(--text-strong); }
.art-body em{ font-style:italic; }
.art-body a{ color:var(--accent-strong); font-weight:600; text-decoration:underline; text-underline-offset:2px; }

/* --------------------------------------------------------- CIFRAS DESTACADAS */
.art-stats{ display:grid; grid-template-columns:repeat(3,1fr); gap:16px; margin:28px 0; }
.art-stat{ background:var(--text-strong); color:var(--text-invert); border-radius:var(--r-md); padding:20px 18px; }
.art-stat b{ display:block; font-family:var(--font-display); font-weight:700; font-size:var(--fs-h1); letter-spacing:-0.02em; color:var(--accent); }
.art-stat span{ display:block; font-size:var(--fs-sm); line-height:1.45; color:var(--text-body); margin-top:6px; }

/* ---------------------------------------------------------------- CALLOUT */
.art-callout{
  background:var(--surface);
  border:1px solid var(--border);
  border-left:4px solid var(--accent);
  border-radius:var(--r-md);
  padding:18px 22px;
  margin:26px 0;
  font-size:var(--fs-title);
  line-height:1.62;
  color:var(--text-body);
}
.art-callout--strong{ border-left-color:var(--text-strong); }
.art-callout strong{ color:var(--text-strong); }
.art-callout a{ color:var(--accent-strong); font-weight:600; }

/* ---------------------------------------------------------- TABLA COMPARATIVA */
.art-table-wrap{ margin:24px 0; overflow-x:auto; }
.art-table{ width:100%; border-collapse:collapse; font-size:var(--fs-title); }
.art-table th, .art-table td{ padding:12px 14px; border-bottom:1px solid var(--border); text-align:left; }
.art-table th{
  font-family:var(--font-mono);
  font-size:var(--fs-xs); letter-spacing:.08em; text-transform:uppercase;
  color:var(--text-body); font-weight:500;
}
.art-table td{ color:var(--text-body); }
.art-table tr:last-child b{ color:var(--accent-strong); }

/* --------------------------------------------------- TARJETA DEL MINI-SIMULADOR */
.art-sim{ margin:36px 0; }
.art-sim__head{
  font-family:var(--font-mono);
  font-size:var(--fs-xs); letter-spacing:.12em; text-transform:uppercase;
  color:var(--accent-strong); font-weight:500;
  margin-bottom:12px;
}
.art-gauge{ max-width:360px; margin-inline:auto; padding:22px 22px 20px; }

/* -------------------------------------------------------------- FIRMA DEL AUTOR */
.art-sign{ margin:40px 0 4px; }
.art-sign svg{ display:block; overflow:visible; }
.art-sign__cap{
  font-family:var(--font-mono);
  font-size:var(--fs-xs); letter-spacing:.08em; text-transform:uppercase;
  color:var(--text-body);
  margin-top:6px; border-top:1px solid var(--border);
  padding-top:8px; width:fit-content;
}

/* ------------------------------------------------------------ CTA FINAL */
.art-cta{ padding:clamp(24px,3vw,36px); margin-top:8px; }
.art-cta__title{
  font-family:var(--font-display);
  font-weight:700;
  font-size:clamp(22px,2.4vw,30px);
  letter-spacing:-0.02em;
  line-height:1.15;
  color:var(--text-strong);
  margin:0 0 12px;
  text-wrap:balance;
}
.art-cta__sub{ font-size:var(--fs-title); color:var(--text-body); line-height:1.55; margin:0 0 22px; max-width:52ch; }

/* ------------------------------------------------------------- RESPONSIVE */
@media (max-width:640px){
  .art-stats{ grid-template-columns:1fr; }
}