/* =========================
   Variables (con fallback)
   ========================= */
:root{
  --gal-radius: 18px;
}

/* =========================
   HERO
   ========================= */
.galeria-hero{
  position: relative;
  min-height: clamp(220px, 36vw, 380px);
  display: grid;
  place-items: center;
  overflow: hidden;
  background: var(--gal-bg);
}

/* Fondo (usa una imagen tuya o una textura) */
.galeria-hero__bg{
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient( to bottom, rgba(255, 255, 255, 0.55), rgba(0, 0, 0, 0.82) ),
    url("../img/galeria/Escuela.webp");
  background-size: cover;
  background-position: center;
  filter: saturate(1.05) contrast(1.05);
  transform: scale(1.03);
}

/* Contenido centrado */
.galeria-hero__content{
  position: relative;
  width: min(1100px, calc(100% - 2.5rem));
  display: flex;
  justify-content: center;
}

/* Panel tipo glass */
.galeria-hero__panel{
  width: min(780px, 100%);
  padding: clamp(1.1rem, 2.6vw, 1.6rem) clamp(1.2rem, 3vw, 2rem);
  border-radius: calc(var(--gal-radius) + 6px);
  background: color-mix(in srgb, var(--gal-surface) 92%, transparent);
  border: 1px solid color-mix(in srgb, var(--gal-border) 95%, transparent);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  box-shadow: var(--gal-shadow);
  text-align: center;
}

.galeria-hero__title{
  color: white;
  margin: 0;
  font-size: clamp(2rem, 4.6vw, 3.4rem);
  letter-spacing: 0.5px;
  
}

.galeria-hero__subtitle{
  margin: .65rem 0 0;
  font-size: clamp(1rem, 1.6vw, 1.15rem);
  color: var(--gal-muted);
}

/* =========================
   Wrapper / Heading
   ========================= */
.galeria-wrap{
  width: min(1100px, calc(100% - 2.5rem));
  margin: clamp(2rem, 4vw, 3rem) auto clamp(2.4rem, 4vw, 3.5rem);
}

.galeria-heading{
  text-align: center;
  margin-bottom: 1.2rem;
}

.galeria-heading__title{
  margin: 0;
  font-size: clamp(1.6rem, 3.3vw, 2.6rem);
  color: var(--gal-accent);
  letter-spacing: .3px;
}

.galeria-heading__subtitle{
  margin: .6rem 0 0;
  color: var(--gal-muted);
  font-size: clamp(.98rem, 1.4vw, 1.05rem);
}

/* =========================
   Galería "expanding" (mejorada)
   ========================= */
.galeria-strip{
  margin-top: 1.4rem;
  height: clamp(260px, 42vw, 520px);
  display: flex;
  gap: 10px;
  padding: 10px;
  border-radius: calc(var(--gal-radius) + 6px);
  background: color-mix(in srgb, var(--gal-surface) 75%, transparent);
  border: 1px solid color-mix(in srgb, var(--gal-border) 85%, transparent);
  box-shadow: var(--gal-shadow);
  overflow: hidden;
}

/* Estado base */
.galeria-strip img{
  flex: 1;
  min-width: 0;
  height: 100%;
  object-fit: cover;
  border-radius: calc(var(--gal-radius) - 6px);
  opacity: .86;
  filter: saturate(1.05);
  transition:
    flex .55s cubic-bezier(.22,1,.36,1),
    opacity .25s ease,
    filter .25s ease,
    transform .25s ease;
  transform: translateZ(0);
}

/* Al pasar por el contenedor, bajamos un poco lo demás */
.galeria-strip:hover img{
  opacity: .75;
}

/* Imagen activa */
.galeria-strip img:hover{
  flex: 6;
  opacity: 1;
  filter: saturate(1.12) contrast(1.08);
  transform: scale(1.01);
  cursor: crosshair;
}

/* Accesibilidad: si navegan con teclado */
.galeria-strip img:focus-visible{
  outline: 2px solid var(--gal-accent);
  outline-offset: 3px;
}

/* Nota */
.galeria-note{
  margin: .9rem 0 0;
  text-align: center;
  color: var(--gal-muted);
  font-size: .95rem;
}

/* =========================
   Responsive (móvil)
   ========================= */
@media (max-width: 700px){
  .galeria-strip{
    gap: 8px;
    padding: 8px;
    height: 320px;
  }
  /* En móvil, que no “colapse” tanto */
  .galeria-strip img:hover{
    flex: 4;
    cursor: default;
  }
}