/* ============================================================
   CG · efectos compartidos — revelados por líneas, esquinas de
   visor, chip de cursor, marquesinas, CTA de fila
   ============================================================ */

/* ---------- Revelado por líneas enmascaradas ----------
   El estado oculto solo existe bajo html.js (lo pone un script en el
   <head>): sin JavaScript el texto nace visible. */

.linea { display: block; overflow: hidden; }

.linea__interior {
  display: block;
  transition: transform 0.7s var(--suave);
}

.js .linea__interior { transform: translateY(112%); }

.lineas-visibles .linea__interior { transform: translateY(0); }

/* ---------- Esquinas de visor (21hrs) ---------- */

.esquinas {
  position: absolute;
  inset: 12px;
  z-index: 2; /* por delante de la placa/imagen de la tarjeta */
  pointer-events: none;
  opacity: 0;
  transition: opacity 0.25s, inset 0.3s var(--suave);
  --e-color: var(--tinta);
  --e-largo: 14px;
  --e-grosor: 1.5px;
  background:
    linear-gradient(var(--e-color), var(--e-color)) left top / var(--e-largo) var(--e-grosor),
    linear-gradient(var(--e-color), var(--e-color)) left top / var(--e-grosor) var(--e-largo),
    linear-gradient(var(--e-color), var(--e-color)) right top / var(--e-largo) var(--e-grosor),
    linear-gradient(var(--e-color), var(--e-color)) right top / var(--e-grosor) var(--e-largo),
    linear-gradient(var(--e-color), var(--e-color)) left bottom / var(--e-largo) var(--e-grosor),
    linear-gradient(var(--e-color), var(--e-color)) left bottom / var(--e-grosor) var(--e-largo),
    linear-gradient(var(--e-color), var(--e-color)) right bottom / var(--e-largo) var(--e-grosor),
    linear-gradient(var(--e-color), var(--e-color)) right bottom / var(--e-grosor) var(--e-largo);
  background-repeat: no-repeat;
}

.tarjeta-proyecto:hover .esquinas { opacity: 1; inset: 5px; }

/* ---------- Cristal (liquid glass reutilizable) ---------- */

.cristal {
  background: rgba(246, 244, 239, 0.4);
  backdrop-filter: blur(14px) saturate(1.2);
  -webkit-backdrop-filter: blur(14px) saturate(1.2);
  border: 1px solid rgba(20, 20, 20, 0.35);
}

@supports not (backdrop-filter: blur(1px)) {
  .cristal { background: rgba(246, 244, 239, 0.9); }
}

/* ---------- Chip de cursor "Ver caso →" ---------- */

.chip-cursor {
  position: fixed;
  left: 0;
  top: 0;
  z-index: 80;
  pointer-events: none;
  padding: 10px 18px;
  border: 1px solid rgba(20, 20, 20, 0.4);
  border-radius: 999px;
  background: rgba(246, 244, 239, 0.45);
  backdrop-filter: blur(12px) saturate(1.2);
  -webkit-backdrop-filter: blur(12px) saturate(1.2);
  color: var(--cobalto);
  font-family: var(--fuente-display);
  font-weight: 600;
  font-size: 12px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  white-space: nowrap;
  transform: scale(0);
  opacity: 0;
  transition: opacity 0.2s;
}

.chip-cursor--visible { opacity: 1; }

/* ---------- Marquesina vertical (fondo del perfil) ---------- */

.marquesina-v {
  position: absolute;
  inset: 0;
  overflow: hidden;
  pointer-events: none;
}

.marquesina-v__pista {
  display: flex;
  flex-direction: column;
  gap: 0.35em;
  font-family: var(--fuente-display);
  font-weight: 200;
  font-size: clamp(40px, 5.4vw, 84px);
  line-height: 1.05;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: rgba(20, 20, 20, 0.09); /* respaldo sin color-mix */
  color: color-mix(in srgb, var(--tinta) 9%, transparent);
  white-space: nowrap;
  animation: marquesina-sube 46s linear infinite;
}

@keyframes marquesina-sube {
  from { transform: translateY(0); }
  to { transform: translateY(-33.333%); }
}

/* ---------- CTA de fila completa ---------- */

.cta-fila {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 26px 4px;
  border-top: var(--filete);
  border-bottom: var(--filete);
  text-decoration: none;
  color: var(--tinta);
  overflow: hidden;
  font-family: var(--fuente-display);
  font-weight: 600;
  font-size: clamp(17px, 2.2vw, 26px);
  letter-spacing: 0.18em;
  text-transform: uppercase;
}

.cta-fila::before {
  content: "";
  position: absolute;
  inset: 0;
  background: var(--tinta);
  transform: translateY(101%);
  transition: transform 0.4s var(--suave);
}

.cta-fila span { position: relative; transition: color 0.3s; }

.cta-fila:hover::before { transform: translateY(0); }
.cta-fila:hover span { color: var(--papel); }

/* ---------- Resalte cíclico del muro de herramientas ---------- */

.muro {
  font-family: var(--fuente-display);
  font-weight: 600;
  font-size: clamp(22px, 3.4vw, 44px);
  line-height: 1.5;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  /* 26%: sigue leyendo como muro apagado pero es legible en reposo */
  color: rgba(20, 20, 20, 0.26); /* respaldo sin color-mix */
  color: color-mix(in srgb, var(--tinta) 26%, transparent);
}

.muro span { transition: color 0.4s; white-space: nowrap; }
.muro span.muro--activa,
.muro span:hover { color: var(--cobalto); }

/* ---------- Accesibilidad de movimiento ---------- */

@media (prefers-reduced-motion: reduce) {
  .linea__interior, .js .linea__interior { transform: none; transition: none; }
  .marquesina-v__pista { animation: none; }
  .esquinas { transition: none; }
  .cta-fila::before { transition: none; }
}
