/* ── Hero base ── */
.hero {
  position: relative;
  height: 100svh;
  min-height: 100vh;
  display: flex;
  align-items: center;
  overflow: hidden;
  background-color: var(--color-stone);
}

/* ── Fallback: imagen estática (detrás del video) ── */
.hero__image-fallback {
  position: absolute;
  inset: 0;
  z-index: 0;
  background-image: url("../assets/glaciar/glaciar-hero.jpeg");
  background-size: cover;
  background-position: center 30%;
}

/* ── Video de fondo ── */
.hero__media {
  position: absolute;
  inset: 0;
  z-index: 1;
}

.hero__video {
  position: relative;
  z-index: 1;  /* above hero__image-fallback (z-index: 0) in the same stacking context */
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
}

/* prefers-reduced-data: usar imagen estática */
@media (prefers-reduced-data: reduce) {
  .hero__video { display: none; }
}

/* ── Overlay ── */
.hero__overlay {
  position: absolute;
  inset: 0;
  z-index: 2;
  background: linear-gradient(
    160deg,
    rgba(0, 0, 0, 0.30) 0%,
    rgba(0, 0, 0, 0.48) 50%,
    rgba(0, 0, 0, 0.60) 100%
  );
}

/* ── Contenido ── */
.hero__content {
  position: relative;
  z-index: 3;
  width: 100%;
  max-width: var(--container-max);
  margin-inline: auto;
  padding-inline: var(--container-padding);
  padding-top: 72px; /* compensa el nav fijo */
  color: var(--color-text-on-dark);
}

.hero__eyebrow {
  font-family: var(--font-body);
  font-size: var(--text-xs);
  font-weight: 500;
  letter-spacing: var(--tracking-wider);
  text-transform: uppercase;
  color: var(--color-sky);
  margin-bottom: var(--space-sm);
}

.hero__headline {
  font-family: var(--font-display);
  font-size: clamp(2.5rem, 7vw, 5rem);
  font-weight: 700;
  color: var(--color-text-on-dark);
  line-height: var(--leading-tight);
  margin-bottom: var(--space-sm);
  max-width: 14ch;
}

.hero__subheadline {
  font-family: var(--font-body);
  font-weight: 300;
  font-size: clamp(var(--text-base), 2vw, var(--text-xl));
  color: var(--color-text-on-dark-muted);
  line-height: var(--leading-relaxed);
  max-width: 520px;
  margin-bottom: var(--space-md);
}

.hero__ctas {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm);
  align-items: center;
}

/* ── Scroll indicator ── */
.hero__scroll-indicator {
  position: absolute;
  bottom: var(--space-md);
  left: 50%;
  transform: translateX(-50%);
  z-index: 3;
  display: flex;
  flex-direction: column;
  align-items: center;
  opacity: 1;
  transition: opacity var(--transition-slow);
}

.hero__scroll-indicator.is-hidden {
  opacity: 0;
  pointer-events: none;
}

.hero__scroll-arrow {
  display: block;
  width: 18px;
  height: 18px;
  border-right: 2px solid rgba(255, 255, 255, 0.6);
  border-bottom: 2px solid rgba(255, 255, 255, 0.6);
  transform: rotate(45deg);
  animation: arrowBounce 2s ease-in-out infinite;
}

@keyframes arrowBounce {
  0%, 100% {
    transform: rotate(45deg) translate(0, 0);
    opacity: 0.5;
  }
  50% {
    transform: rotate(45deg) translate(5px, 5px);
    opacity: 1;
  }
}