html {
  scroll-behavior: smooth;
}

body {
  background: var(--oscuro2);
  color: var(--claro);
  overflow-x: hidden;
}

/* HERO FOTO */
.hero-foto {
  position: relative;
  height: 100vh;
  min-height: 600px;
  overflow: hidden;
  display: flex;
  align-items: flex-end;
}

.hero-foto-img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 30%;
  display: block;
  filter: brightness(0.55) saturate(0.8);
  transform: scale(1.03);
  transition: transform 8s ease;
}

.hero-foto:hover .hero-foto-img {
  transform: scale(1.0);
}

/* Gradiente de oscurecimiento inferior */
.hero-foto-capa {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(to top, rgba(10, 10, 10, 0.95) 0%, rgba(10, 10, 10, 0.3) 45%, transparent 100%),
    linear-gradient(to right, rgba(10, 10, 10, 0.5) 0%, transparent 50%);
}

/* Texto abajo izquierda */
.hero-foto-texto {
  position: relative;
  z-index: 2;
  padding: 0 64px 72px;
  max-width: 700px;
}

.hero-etiqueta {
  display: block;
  font-size: 10px;
  font-weight: 500;
  letter-spacing: 5px;
  text-transform: uppercase;
  color: var(--amarillo-principal);
  margin-bottom: 20px;
}

.hero-titulo {
  font-family: var(--font-display);
  font-size: clamp(52px, 8vw, 96px);
  font-weight: 900;
  line-height: 0.88;
  letter-spacing: -2px;
  text-transform: uppercase;
  color: var(--claro);
  margin-bottom: 24px;
}

.hero-bajada {
  font-size: 13px;
  font-weight: 300;
  color: var(--text-gray2);
  letter-spacing: 1px;
}

/* Índice de años — columna derecha superpuesta */
.hero-indice {
  position: absolute;
  right: 56px;
  bottom: 64px;
  z-index: 2;
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 4px;
}

.hero-indice-label {
  font-size: 8px;
  letter-spacing: 4px;
  text-transform: uppercase;
  color: var(--text-gray);
  margin-bottom: 8px;
}

.hero-indice a {
  font-family: var(--font-display);
  font-size: 22px;
  font-weight: 700;
  color: var(--text-gray);
  text-decoration: none;
  letter-spacing: 1px;
  line-height: 1.2;
  transition: color 0.2s;
}

.hero-indice a:hover {
  color: var(--amarillo-principal);
}

/* Flecha scroll down */
.hero-scroll {
  position: absolute;
  bottom: 32px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 2;
  color: var(--text-gray);
  text-decoration: none;
  font-size: 22px;
  animation: bajar 2s ease-in-out infinite;
}

@keyframes bajar {

  0%,
  100% {
    transform: translateX(-50%) translateY(0);
  }

  50% {
    transform: translateX(-50%) translateY(6px);
  }
}

/* GALERÍA*/
.galeria {
  background: var(--oscuro2);
}

/* ── Cabecera de edición ── */
.edicion {
  padding: 64px 56px 48px;
  border-bottom: 1px solid var(--gris);
  scroll-margin-top: 0;
}

.edicion-cabecera {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  margin-bottom: 24px;
  padding-bottom: 20px;
  border-bottom: 1px solid var(--gris-claro);
  gap: 20px;
  flex-wrap: wrap;
}

.edicion-meta {
  display: flex;
  align-items: baseline;
  gap: 20px;
}

.edicion-num {
  font-family: var(--font-display);
  font-size: clamp(56px, 7vw, 88px);
  font-weight: 900;
  color: var(--gris-claro);
  line-height: 1;
  letter-spacing: -3px;
  /* Número grande en gris muy oscuro — se ve el año pero no compite */
  -webkit-text-stroke: 1px var(--borde-gris);
}

.edicion-info {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding-bottom: 8px;
}

.edicion-titulo {
  font-family: var(--font-display);
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 3px;
  text-transform: uppercase;
  color: var(--text-gray);
}

.edicion-categoria {
  font-size: 9px;
  font-weight: 700;
  letter-spacing: 2.5px;
  text-transform: uppercase;
  padding: 3px 10px;
  border-radius: 2px;
  width: fit-content;
}

.cat-origen {
  background: color-mix(in srgb, var(--secundario) 15%, transparent);
  color: var(--secundario);
  border: 1px solid color-mix(in srgb, var(--secundario) 35%, transparent);
}

.edicion-volver {
  font-size: 9px;
  letter-spacing: 3px;
  text-transform: uppercase;
  color: var(--text-gray);
  background-color: var(--gris);
  text-decoration: none;
  transition: color 0.15s;
  padding: 8px 10px 8px 10px;
  border-radius: 2px;
  border: 1px solid var(--borde-gris);
  white-space: nowrap;
  display: flex;
  align-items: center;
  gap: 5px;
}

.edicion-volver:hover {
  color: var(--amarillo-principal);
  border-color:var(--amarillo-principal)
}

/* Mosaico de fotos*/
.foto-mosaico {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  grid-auto-rows: 320px;
  gap: 4px;
}

/* Foto normal — ocupa 1×1 */
.foto-item {
  overflow: hidden;
  cursor: pointer;
  background: var(--gris);
  position: relative;
  border-radius: 5px;
}

/* Foto grande — ocupa 2 columnas × 2 filas */
.foto-item.foto-grande {
  grid-column: span 2;
  grid-row: span 2;
}

/* Foto apaisada — ocupa 2 columnas × 1 fila */
.foto-item.foto-apaisada {
  grid-column: span 1;
  grid-row: span 2;
}

.foto-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform 0.4s ease, filter 0.4s ease;
  filter: brightness(0.8) saturate(0.85);
  border-radius: 5px;
}

.foto-item:hover img {
  transform: scale(1.06);
  filter: brightness(1) saturate(1.1);
}

/* LIGHTBOX */
.lightbox {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.96);
  z-index: 2000;
  align-items: center;
  justify-content: center;
  padding: 24px;
}

.lightbox.activo {
  display: flex;
}

.lightbox-foto {
  max-width: 92vw;
  max-height: 90vh;
  object-fit: contain;
  display: block;
  border-radius: 2px;
}

.lightbox-cerrar {
  position: fixed;
  top: 20px;
  right: 20px;
  background: var(--principal);
  width: 38px;
  height: 38px;
  border-radius: 50%;
  cursor: pointer;
  font-size: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.15s;
  z-index: 2001;
  border:2px solid var(--amarillo-principal);
  box-shadow: -3px 3px 0px 0px var(--amarillo-principal);
}
.lightbox-cerrar svg {
  width: 18px;
  height: 18px;
  fill: var(--amarillo-principal);
  transition: fill 0.15s;
}

.lightbox-cerrar:hover {
  box-shadow: 0px 0px 0px 0px var(--amarillo-principal);
  border: none;
  transform: scale(1.1) rotate(90deg);
}

/* RESPONSIVE*/
@media (max-width: 1024px) {
  .foto-mosaico {
    grid-template-columns: repeat(3, 1fr);
    grid-auto-rows: 280px;
  }

}

@media (max-width: 768px) {
  .hero-foto-texto {
    padding: 0 24px 80px;
  }

  .hero-indice {
    right: 24px;
    bottom: 80px;
  }

  .edicion {
    padding: 40px 24px 36px;
  }

  .foto-mosaico {
    grid-template-columns: repeat(2, 1fr);
    grid-auto-rows: 240px;
  }

  .foto-item.foto-grande {
    grid-column: span 2;
    grid-row: span 1;
  }

  .foto-item.foto-apaisada {
    grid-column: span 1;
    grid-row: span 1;
  }
}

@media (max-width: 480px) {
  .hero-indice {
    display: none;
  }

  .foto-mosaico {
    grid-template-columns: repeat(2, 1fr);
    grid-auto-rows: 200px;
  }


  .foto-item.foto-grande,
  .foto-item.foto-apaisada {
    grid-column: span 2;
    grid-row: span 1;
  }

  .edicion-num {
    font-size: 48px;
  }
}