/* ==========================================================================
   Empresas — banda oscura con textura fija + carrusel glassmorphism
   ========================================================================== */

.band {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  overflow: clip;
  padding-block: clamp(64px, 10vw, 128px);
  background: rgba(6, 8, 10, 0.9);
  border-block: 1px solid var(--line);
}

/* Textura: líneas de barrido muy finas + estanques de luz de cada marca,
   que dan algo que refractar al vidrio de las tarjetas. */
.band__texture {
  position: absolute; inset: 0; z-index: -1;
  pointer-events: none;
  background:
    radial-gradient(38% 42% at 24% 58%, rgba(111, 88, 168, 0.20), transparent 70%),
    radial-gradient(34% 40% at 78% 52%, rgba(95, 143, 69, 0.16), transparent 70%),
    radial-gradient(46% 36% at 52% 78%, rgba(195, 161, 95, 0.10), transparent 70%),
    repeating-linear-gradient(180deg, rgba(214, 228, 222, 0.035) 0 1px, transparent 1px 4px);
}

/* ── Carrusel ────────────────────────────────────────────────────────── */

.cf {
  --card-w: min(76vw, 330px);
  --spacing: 0.84;          /* separación entre tarjetas, en anchos de tarjeta */
  --tilt: 24deg;
  position: relative;
  margin-top: var(--s-7);
}

.cf__viewport {
  position: relative;
  height: calc(var(--card-w) * 1.36 + 28px);
  touch-action: pan-y;
  user-select: none;
  -webkit-user-select: none;
  cursor: grab;
}
.cf__viewport.is-dragging { cursor: grabbing; }

.cf__track { position: absolute; inset: 0; }

/* El <li> solo posiciona; la transformación va en la .gcard (ver carousel.js). */
.cf__slide {
  position: absolute;
  top: 12px; left: 50%;
  width: var(--card-w);
  margin-left: calc(var(--card-w) / -2);
}
.cf__slide[aria-hidden="true"] { cursor: pointer; }

/* ── Tarjeta glass ───────────────────────────────────────────────────── */

.gcard {
  --a: 159 199 182;
  --b: 127 159 143;
  position: relative;
  display: grid;
  grid-template-rows: auto auto 1fr;
  padding: 18px 18px 20px;
  border-radius: var(--r-lg);
  border: 1px solid rgba(255, 255, 255, 0.09);
  background:
    radial-gradient(110% 62% at 50% 0%, rgb(var(--a) / 0.24), transparent 62%),
    radial-gradient(80% 60% at 100% 100%, rgb(var(--b) / 0.20), transparent 66%),
    linear-gradient(162deg, rgba(255, 255, 255, 0.085), rgba(255, 255, 255, 0.02) 38%, rgba(6, 8, 10, 0.34));
  -webkit-backdrop-filter: blur(20px) saturate(1.35);
  backdrop-filter: blur(20px) saturate(1.35);
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.16),
    inset 0 -1px 0 rgba(255, 255, 255, 0.03),
    0 44px 80px -44px rgb(var(--b) / 0.6),
    0 20px 44px -28px rgba(0, 0, 0, 0.85);
  transform-origin: 50% 50%;
  will-change: transform, opacity;
  transition: border-color .5s, box-shadow .5s;
}
/* Borde luminoso: degradado que se apaga hacia la esquina opuesta. */
.gcard::before {
  content: "";
  position: absolute; inset: -1px;
  border-radius: inherit;
  padding: 1px;
  background: linear-gradient(145deg, rgba(255, 255, 255, 0.5), rgba(255, 255, 255, 0.06) 28%, rgba(255, 255, 255, 0) 58%, rgb(var(--a) / 0.45));
  -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
  -webkit-mask-composite: xor;
  mask-composite: exclude;
  opacity: 0.55;
  transition: opacity .5s;
  pointer-events: none;
}
.cf__slide.is-active .gcard { border-color: rgba(255, 255, 255, 0.14); }
.cf__slide.is-active .gcard::before { opacity: 1; }

.gcard__top {
  display: flex; justify-content: space-between; align-items: baseline;
  font-size: var(--fs-micro);
  letter-spacing: 0.06em;
  color: var(--text-2);   /* text-2: ≥ 6:1 incluso sobre el brillo dorado de AISA */
}
.gcard__index { font-variant-numeric: tabular-nums; font-weight: 600; color: var(--text-2); }

/* Imagen de la marca: banner recortado (cover) o logo sobre placa (contain). */
.gcard__media {
  position: relative;
  margin: 14px 0 0;
  aspect-ratio: 1;
  border-radius: 14px;
  overflow: hidden;
  background: rgb(var(--a) / 0.12);
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.08), 0 18px 36px -22px rgba(0, 0, 0, 0.9);
}
.gcard__media img {
  width: 100%; height: 100%;
  object-fit: cover;
  -webkit-user-drag: none;
}
.gcard__media[data-fit="contain"] { display: grid; place-items: center; background: var(--plate, #f7f7f7); }
.gcard__media[data-fit="contain"] img { width: 88%; height: auto; max-height: 80%; object-fit: contain; }

/* Si la imagen no carga, se compone la sigla en tipografía. */
.gcard__media.is-missing { display: grid; place-items: center; background: rgb(var(--a) / 0.14); }
.gcard__wordmark {
  font-family: var(--serif);
  font-weight: 500;
  font-size: clamp(2.25rem, 9vw, 3.1rem);
  letter-spacing: 0.14em;
  padding-left: 0.14em;
  color: #f1f4f2;
  text-shadow: 0 0 36px rgb(var(--a) / 0.55);
}

.gcard__meta { padding-top: 16px; }
.gcard__name {
  font-family: var(--serif);
  font-size: 1.3125rem;
  line-height: 1.15;
  font-weight: 500;
}
.gcard__tag {
  margin-top: 6px;
  font-size: var(--fs-small);
  line-height: 1.4;
  color: var(--text-2);
}
.gcard__link {
  display: inline-flex; align-items: center; gap: 6px;
  margin-top: 12px;
  font-size: var(--fs-small); font-weight: 600;
  color: var(--text);
  text-decoration: none;
}
.gcard__link .icon { width: 15px; height: 15px; transition: transform .3s var(--ease-out); }
.gcard__link:hover .icon { transform: translate(2px, -2px); }

/* ── Controles ───────────────────────────────────────────────────────── */

.cf__controls {
  display: flex; align-items: center; justify-content: center; gap: var(--s-4);
  margin-top: var(--s-5);
}
.cf__btn {
  display: grid; place-items: center;
  width: 48px; height: 48px;
  border: 1px solid var(--line-strong);
  border-radius: 50%;
  background: rgba(9, 12, 14, 0.4);
  color: var(--text);
  cursor: pointer;
  transition: background-color .2s, border-color .2s, transform .2s var(--ease-out);
}
.cf__btn:hover { background: rgba(237, 241, 238, 0.08); border-color: rgba(214, 228, 222, 0.45); }
.cf__btn:active { transform: scale(0.96); }
.cf__btn .icon { width: 18px; height: 18px; }

.cf__progress {
  display: flex; align-items: center; gap: 12px;
  font-size: var(--fs-micro); letter-spacing: 0.08em;
  font-variant-numeric: tabular-nums;
  color: var(--text-3);
}
.cf__current { color: var(--text); font-weight: 600; }
.cf__bar {
  position: relative;
  width: 72px; height: 1px;
  background: var(--line-strong);
  overflow: hidden;
}
.cf__bar i {
  position: absolute; left: 0; top: 0; bottom: 0;
  width: calc(100% / var(--n, 3));
  background: var(--text);
  transform: translateX(calc(var(--i, 0) * 100%));
  transition: transform .6s var(--ease-out);
}

@media (min-width: 960px) {
  .cf { --card-w: clamp(300px, 26vw, 350px); --spacing: 1.04; --tilt: 22deg; }
  .cf__viewport { cursor: default; }
  .gcard { padding: 20px 20px 22px; }
  .gcard__wordmark { font-size: 3.1rem; }
}

@media (prefers-reduced-motion: reduce) {
  .cf__bar i { transition: none; }
}