/* ════════════════════════════════════════════════
   MUNDO DRONE — COMPONENT: Artículos
   Capa aditiva. No modifica mundodrone-mock.css.
   Reutiliza tokens del Codex (--cyan, --titanio-*, --plata-*, --fhud, --fmono, --ftac).
   ════════════════════════════════════════════════ */

/* ── Barra de filtro por categoría (listado) ── */
.articulos-filter-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 32px;
}
.articulo-filter-pill {
  font-family: var(--fmono);
  font-size: 11px;
  letter-spacing: 1px;
  text-transform: uppercase;
  color: var(--plata-a);
  opacity: 0.6;
  background: var(--titanio-a);
  border: 1px solid rgba(0,212,255,0.15);
  border-radius: 20px;
  padding: 8px 16px;
  text-decoration: none;
  transition: all 0.2s ease;
}
.articulo-filter-pill:hover { opacity: 0.9; border-color: rgba(0,212,255,0.4); }
.articulo-filter-pill.active {
  opacity: 1;
  color: var(--vacio);
  background: var(--cyan);
  border-color: var(--cyan);
  font-weight: 700;
}

/* ── Grid de tarjetas (listado) ── */
.articulos-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 20px;
}

.articulo-card {
  display: flex;
  flex-direction: column;
  background: var(--titanio-a);
  border: 1px solid rgba(0,212,255,0.1);
  border-top: 3px solid var(--cyan-dim);
  padding: 22px;
  text-decoration: none;
  transition: background 0.2s ease, border-color 0.2s ease, transform 0.2s ease;
}
.articulo-card:hover {
  background: var(--titanio-b);
  border-top-color: var(--cyan);
  transform: translateY(-2px);
}
.articulo-card.destacado { border-top-color: var(--orange); }

.articulo-card-meta {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--fmono);
  font-size: 10px;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  color: var(--cyan);
  opacity: 0.85;
  margin-bottom: 12px;
}
.articulo-card-meta .sep { opacity: 0.4; }
.articulo-card-meta .lectura { color: var(--plata-a); opacity: 0.55; }

.articulo-card-title {
  font-family: var(--ftac);
  font-weight: 700;
  font-size: 19px;
  color: var(--plata-b);
  line-height: 1.3;
  margin-bottom: 10px;
}

.articulo-card-excerpt {
  font-family: var(--ftac);
  font-size: 14px;
  font-weight: 300;
  color: var(--plata-a);
  opacity: 0.65;
  line-height: 1.6;
  flex: 1;
}

.articulo-card-footer {
  margin-top: 16px;
  padding-top: 14px;
  border-top: 1px solid rgba(0,212,255,0.08);
  font-family: var(--fmono);
  font-size: 11px;
  letter-spacing: 1px;
  color: var(--cyan);
  opacity: 0.8;
}
.articulo-card-footer::after { content: ' →'; }

/* ── Cabecera de ficha de artículo (detalle) ── */
.art-hero {
  max-width: 760px;
  margin: 0 auto 40px auto;
}
.art-hero-meta {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--fmono);
  font-size: 11px;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  color: var(--cyan);
  margin-bottom: 16px;
}
.art-hero-meta .sep { opacity: 0.4; }
.art-hero-meta .lectura { color: var(--plata-a); opacity: 0.55; }
.art-hero-title {
  font-family: var(--fhud);
  font-weight: 900;
  font-size: clamp(26px, 4vw, 42px);
  line-height: 1.15;
  color: var(--plata-b);
  margin-bottom: 16px;
}
.art-hero-excerpt {
  font-family: var(--ftac);
  font-weight: 300;
  font-size: 17px;
  color: var(--plata-a);
  opacity: 0.7;
  line-height: 1.7;
  border-left: 2px solid var(--cyan);
  padding-left: 18px;
}

/* ── Cuerpo del artículo (detalle) ── */
.art-body {
  max-width: 760px;
  margin: 0 auto;
  font-family: var(--ftac);
}

.art-p {
  font-size: 16px;
  font-weight: 300;
  color: var(--plata-a);
  line-height: 1.85;
  margin-bottom: 22px;
}

.art-h2 {
  font-family: var(--fhud);
  font-weight: 700;
  font-size: 21px;
  color: var(--plata-b);
  letter-spacing: 0.3px;
  margin: 36px 0 16px 0;
  padding-bottom: 10px;
  border-bottom: 1px solid rgba(0,212,255,0.15);
}

.art-callout {
  background: rgba(0,212,255,0.05);
  border-left: 3px solid var(--cyan);
  padding: 16px 20px;
  margin: 24px 0;
  font-size: 15px;
  font-weight: 300;
  color: var(--plata-b);
  line-height: 1.7;
}
.art-callout-tag {
  display: block;
  font-family: var(--fmono);
  font-size: 10px;
  letter-spacing: 2px;
  color: var(--cyan);
  margin-bottom: 8px;
  opacity: 0.85;
}

.art-list {
  list-style: none;
  margin: 0 0 24px 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 14px;
}
.art-list-item {
  padding-left: 22px;
  position: relative;
  font-size: 15.5px;
  font-weight: 300;
  color: var(--plata-a);
  line-height: 1.7;
}
.art-list-item::before {
  content: '▸';
  position: absolute;
  left: 0;
  top: 0;
  color: var(--cyan);
}
.art-list-title {
  display: block;
  font-family: var(--ftac);
  font-weight: 700;
  color: var(--plata-b);
  margin-bottom: 2px;
}
.art-list-text { opacity: 0.85; }

.art-table-wrap { margin: 8px 0 28px 0; overflow-x: auto; }
.art-table { min-width: 480px; }

/* ── Artículos relacionados (detalle) ── */
.art-related-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 16px;
}

@media (max-width: 640px) {
  .articulos-grid { grid-template-columns: 1fr; }
  .art-hero-title { font-size: 26px; }
  .art-p, .art-list-item { font-size: 15px; }
}