/* ==========================================================================
   AZTECH METAL - TODOS LOS ARTÍCULOS

   La biblioteca: todas las notas agrupadas por sección, visibles de una vez.
   Cada sección lleva su color de tipo (tipos.css) en el título, en la barra
   de secciones y en la orilla de cada tarjeta.
   ========================================================================== */

.ar-main { width: 100%; max-width: 1400px; margin: 0 auto; padding: 0 clamp(1rem, 3vw, 2.5rem) 4rem; }

/* -------------------------------- Cabecera -------------------------------- */
.ar-cabeza { padding: clamp(2rem, 5vw, 3.6rem) 0 1.4rem; border-bottom: 1px solid rgba(255, 255, 255, 0.1); }
.ar-cabeza-kicker {
  font-family: var(--font-data, 'Barlow', sans-serif);
  font-size: 0.68rem;
  font-weight: 800;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--neon-crimson, #FF2A24);
}
.ar-titulo {
  margin: 0.4rem 0 0.6rem;
  font-family: var(--font-headline, 'Barlow Condensed', sans-serif);
  font-size: clamp(2.4rem, 6vw, 4.6rem);
  font-weight: 800;
  line-height: 0.95;
  text-transform: uppercase;
  color: #fff;
}
.ar-titulo em { font-style: normal; color: var(--neon-crimson, #FF2A24); }
.ar-bajada { margin: 0; max-width: 62ch; font-size: 1.02rem; line-height: 1.55; color: rgba(255, 255, 255, 0.62); }
.ar-total { margin: 1rem 0 0; font-family: var(--font-data, 'Barlow', sans-serif); font-size: 0.74rem; letter-spacing: 0.06em; color: rgba(255, 255, 255, 0.42); }
.ar-total b { color: var(--neon-crimson, #FF2A24); }

/* ------------------------- Barra de secciones (fija) ------------------------- */
.ar-barra {
  position: sticky;
  top: var(--ar-alto-cabecera, 64px);
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
  padding: 0.7rem 0;
  margin-bottom: 1rem;
  background: rgba(10, 10, 12, 0.92);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}
.ar-nav { display: flex; gap: 0.35rem; flex-wrap: wrap; }
.ar-nav a {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  padding: 0.42rem 0.8rem;
  border: 1px solid rgba(255, 255, 255, 0.12);
  font-family: var(--font-data, 'Barlow', sans-serif);
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.68);
  text-decoration: none;
  transition: color 0.18s ease, border-color 0.18s ease, background 0.18s ease;
}
.ar-nav a::before { content: ""; width: 7px; height: 7px; border-radius: 50%; background: var(--tp, #fff); }
.ar-nav a::after { content: attr(data-cuenta); font-size: 0.6rem; opacity: 0.5; }
.ar-nav a:hover { color: #fff; border-color: var(--tp, #fff); }
.ar-nav a.is-active { color: #fff; border-color: var(--tp, #fff); background: color-mix(in srgb, var(--tp, #fff) 12%, transparent); }
.ar-nav a.is-vacia { opacity: 0.35; }

.ar-lugares { display: flex; gap: 0.35rem; }
.ar-lugar {
  background: transparent;
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: 999px;
  color: rgba(255, 255, 255, 0.5);
  font-family: var(--font-data, 'Barlow', sans-serif);
  font-size: 0.64rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: 0.32rem 0.75rem;
  cursor: pointer;
  transition: background 0.18s ease, color 0.18s ease, border-color 0.18s ease;
}
.ar-lugar::after { content: attr(data-cuenta); margin-left: 0.4rem; opacity: 0.5; }
.ar-lugar:hover { color: #fff; border-color: rgba(255, 255, 255, 0.35); }
.ar-lugar.is-active { background: rgba(255, 255, 255, 0.92); border-color: rgba(255, 255, 255, 0.92); color: #0a0a0c; }

/* --------------------------------- Sección --------------------------------- */
.ar-seccion { padding: clamp(1.6rem, 3.5vw, 2.8rem) 0; border-bottom: 1px solid rgba(255, 255, 255, 0.08); scroll-margin-top: 130px; }
.ar-seccion:last-child { border-bottom: 0; }
.ar-seccion-cabeza { display: flex; align-items: flex-end; justify-content: space-between; gap: 1rem; flex-wrap: wrap; margin-bottom: 1.3rem; }
.ar-seccion-titulo {
  margin: 0;
  display: flex;
  align-items: baseline;
  gap: 0.7rem;
  font-family: var(--font-headline, 'Barlow Condensed', sans-serif);
  font-size: clamp(1.8rem, 3.6vw, 2.6rem);
  font-weight: 800;
  line-height: 1;
  text-transform: uppercase;
  color: #fff;
  padding-left: 0.85rem;
  border-left: 4px solid var(--tp, #fff);
}
.ar-seccion-n { font-size: 0.5em; font-weight: 700; color: var(--tp, #fff); font-family: var(--font-data, 'Barlow', sans-serif); letter-spacing: 0.08em; }
.ar-seccion-que { margin: 0.35rem 0 0 calc(0.85rem + 4px); font-size: 0.9rem; color: rgba(255, 255, 255, 0.55); max-width: 60ch; }
.ar-seccion-blog {
  font-family: var(--font-data, 'Barlow', sans-serif);
  font-size: 0.66rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.5);
  text-decoration: none;
  border-bottom: 1px solid currentColor;
  padding-bottom: 0.15rem;
}
.ar-seccion-blog:hover { color: #fff; }
.ar-vacio { margin: 0; padding: 1.2rem 0; color: rgba(255, 255, 255, 0.4); font-size: 0.9rem; }
.ar-seccion-vacia { opacity: 0.6; }

/* ------------------------------ Rejilla y tarjeta ------------------------------ */
.ar-rejilla {
  display: grid;
  grid-template-columns: repeat(12, minmax(0, 1fr));
  gap: clamp(0.9rem, 1.8vw, 1.4rem);
}
.ar-card {
  grid-column: span 3;
  display: flex;
  flex-direction: column;
  background: var(--gx-panel, #101014);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-top: 3px solid var(--tp, rgba(255, 255, 255, 0.2));
  overflow: hidden;
  transition: transform 0.2s cubic-bezier(0.16, 1, 0.3, 1), border-color 0.2s ease;
}
.ar-card:hover { transform: translateY(-3px); }
.ar-card:hover .ar-card-titulo a { color: var(--neon-crimson, #FF2A24); }
.ar-card-lead { grid-column: span 6; grid-row: span 2; }
.ar-rejilla-sola .ar-card-lead { grid-column: span 12; flex-direction: row; }
.ar-rejilla-sola .ar-card-lead .ar-card-media { flex: 0 0 46%; aspect-ratio: auto; }

.ar-card-media { display: block; aspect-ratio: 16 / 10; overflow: hidden; background: #08080a; }
.ar-card-lead .ar-card-media { aspect-ratio: 16 / 9; }
.ar-card-img { width: 100%; height: 100%; object-fit: cover; object-position: center 22%; display: block; transition: transform 0.5s cubic-bezier(0.16, 1, 0.3, 1); }
.ar-card:hover .ar-card-img { transform: scale(1.04); }

.ar-card-cuerpo { display: flex; flex-direction: column; gap: 0.4rem; padding: 0.9rem 1rem 1rem; flex: 1; }
.ar-card-lead .ar-card-cuerpo { padding: 1.2rem 1.3rem 1.3rem; gap: 0.6rem; }
.ar-card-titulo { margin: 0; font-family: var(--font-headline, 'Barlow Condensed', sans-serif); font-size: 1.2rem; font-weight: 700; line-height: 1.08; text-transform: uppercase; }
.ar-card-lead .ar-card-titulo { font-size: clamp(1.5rem, 2.6vw, 2.1rem); font-weight: 800; text-wrap: balance; }
.ar-card-titulo a { color: #fff; text-decoration: none; transition: color 0.18s ease; }
.ar-card-entrada { margin: 0; font-size: 0.95rem; line-height: 1.55; color: rgba(255, 255, 255, 0.62); display: -webkit-box; -webkit-line-clamp: 3; -webkit-box-orient: vertical; overflow: hidden; }
.ar-card-pie {
  margin: auto 0 0;
  padding-top: 0.5rem;
  display: flex;
  gap: 0.6rem;
  font-family: var(--font-data, 'Barlow', sans-serif);
  font-size: 0.64rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.36);
}
.ar-card-pie span::before { content: "·"; margin-right: 0.6rem; opacity: 0.5; }

/* -------------------------------- Angosto -------------------------------- */
@media (max-width: 1100px) {
  .ar-card { grid-column: span 4; }
  .ar-card-lead { grid-column: span 12; grid-row: auto; flex-direction: row; }
  .ar-card-lead .ar-card-media { flex: 0 0 48%; aspect-ratio: auto; }
}
@media (max-width: 760px) {
  .ar-card { grid-column: span 6; }
  .ar-card-lead, .ar-rejilla-sola .ar-card-lead { flex-direction: column; }
  .ar-card-lead .ar-card-media, .ar-rejilla-sola .ar-card-lead .ar-card-media { flex: none; aspect-ratio: 16 / 9; }
  .ar-barra { top: var(--ar-alto-cabecera, 58px); }
  .ar-nav a { padding: 0.36rem 0.6rem; font-size: 0.62rem; }
  .ar-nav a::after { display: none; }
}
@media (max-width: 480px) {
  .ar-card { grid-column: span 12; }
  .ar-card-titulo { font-size: 1.1rem; }
}