/* ==========================================================================
   INN CONTAB 360 — Actualidad (blog)
   Extiende el sistema de diseño de styles.css
   ========================================================================== */

/* ---------- Barra de progreso de lectura ---------- */
.reading-progress{
  position: fixed;
  top: 0; left: 0;
  height: 3px;
  width: 0%;
  background: var(--gradient-marca);
  opacity: 0.99;
  z-index: 300;
  transition: width .1s linear;
}

/* ---------- Hero ---------- */
.actualidad-hero{
  position: relative;
  background: var(--carbon);
  color: var(--blanco);
  overflow: hidden;
  padding-top: calc(var(--header-h, 92px) + clamp(2.5rem, 6vw, 4rem));
  padding-bottom: clamp(3rem, 7vw, 4.5rem);
}
.actualidad-hero #hero-network{ position: absolute; inset: 0; width: 100%; height: 100%; opacity: 0.5; }
.actualidad-hero::after{
  content: "";
  position: absolute; inset: 0;
  background: radial-gradient(55% 65% at 85% 10%, rgba(239,119,39,0.2), transparent 60%);
  pointer-events: none;
}
.actualidad-hero .container{ position: relative; z-index: 2; }
.actualidad-hero .hero-lede{ max-width: 56ch; margin-top: var(--space-2); color: rgba(255,255,255,0.78); font-size: 1.08rem; }
.actualidad-hero .back-link{ color: var(--ambar); }
.actualidad-hero .back-link:hover{ color: var(--blanco); }

/* ---------- Tabs ---------- */
.articles-section{ padding: var(--space-5) 0 var(--space-6); background: var(--blanco); }
.tabs{
  display: flex;
  flex-wrap: wrap;
  gap: 0.8rem;
  margin-bottom: var(--space-5);
  border-bottom: 1px solid rgba(28,28,28,0.08);
  padding-bottom: var(--space-4);
}
.tab-btn{
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.85rem 1.4rem;
  border-radius: 999px;
  border: 1.5px solid rgba(28,28,28,0.12);
  background: var(--blanco);
  color: var(--gris-medio);
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 0.92rem;
  cursor: pointer;
  transition: background .3s var(--ease), color .3s var(--ease), border-color .3s var(--ease), transform .3s var(--ease);
}
.tab-icon{ width: 20px; height: 20px; display: flex; color: var(--naranja); transition: color .3s var(--ease); }
.tab-icon svg{ width: 100%; height: 100%; }
.tab-btn:hover{ border-color: var(--naranja); transform: translateY(-2px); }
.tab-btn.is-active{ background: var(--carbon); color: var(--blanco); border-color: var(--carbon); }
.tab-btn.is-active .tab-icon{ color: var(--naranja); }

/* ---------- Panel / artículo ---------- */
.tab-panel{ animation: panel-fade .5s var(--ease); }
@keyframes panel-fade{ from{ opacity: 0; transform: translateY(14px); } to{ opacity: 1; transform: translateY(0); } }

.article-grid{
  display: grid;
  grid-template-columns: 0.95fr 1.3fr;
  gap: var(--space-4);
  align-items: start;
}
.article-cover{
  position: sticky;
  top: calc(var(--header-h, 92px) + 1.5rem);
  border-radius: var(--radius-l);
  overflow: hidden;
  box-shadow: var(--shadow-soft);
}
.article-cover img{ width: 100%; height: auto; display: block; }

.article-title{
  font-size: clamp(1.5rem, 2.6vw, 2rem);
  line-height: 1.25;
  margin-top: 0.6rem;
}
.article-meta{
  display: flex; align-items: center; gap: 1.2rem;
  margin-top: var(--space-2);
  padding-bottom: var(--space-3);
  border-bottom: 1px solid rgba(28,28,28,0.08);
}
.article-meta span{ display: inline-flex; align-items: center; gap: 0.4rem; font-size: 0.85rem; color: var(--gris-medio); font-weight: 600; }

.article-body p{ color: var(--grafito); font-size: 1.02rem; line-height: 1.75; margin-top: var(--space-3); }
.article-body h3{ font-size: 1.2rem; margin-top: var(--space-4); color: var(--carbon); }
.article-body ul, .article-body ol.numbered-list{ margin-top: var(--space-2); padding-left: 1.3rem; }
.article-body ul li{ color: var(--grafito); font-size: 1rem; line-height: 1.7; margin-top: 0.5rem; list-style: disc; }
.article-body ol.numbered-list{ list-style: none; padding-left: 0; counter-reset: step; }
.article-body ol.numbered-list li{
  counter-increment: step;
  position: relative;
  padding-left: 2.6rem;
  color: var(--grafito);
  font-size: 1rem;
  line-height: 1.7;
  margin-top: var(--space-2);
}
.article-body ol.numbered-list li::before{
  content: counter(step);
  position: absolute;
  left: 0; top: 0;
  width: 1.9rem; height: 1.9rem;
  border-radius: 50%;
  background: var(--carbon);
  color: var(--naranja);
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 0.95rem;
  display: flex; align-items: center; justify-content: center;
}
.article-body ol.numbered-list li strong{ color: var(--carbon); }

.article-highlight{
  margin-top: var(--space-4);
  background: var(--panel);
  border-left: 4px solid var(--naranja);
  border-radius: var(--radius-s);
  padding: 1.4rem 1.6rem;
}
.article-highlight p{ margin-top: 0; font-size: 0.98rem; }
.article-highlight p + p{ margin-top: 0.8rem; }

.article-cta{ margin-top: var(--space-4); }

/* ---------- Responsive ---------- */
@media (max-width: 980px){
  .article-grid{ grid-template-columns: 1fr; }
  .article-cover{ position: static; max-width: 420px; margin: 0 auto; }
}
@media (max-width: 760px){
  .tabs{ flex-direction: column; }
  .tab-btn{ width: 100%; justify-content: flex-start; }
}