* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html, body {
  width: 100%;
  height: 100%;
  overflow: hidden;
  background: #000;
  position: fixed;
  inset: 0;
  overscroll-behavior: none;
  touch-action: none;
  -webkit-user-select: none;
  user-select: none;
}

/* Fuldskærms-scene. Bruger dvh (dynamic viewport height) så adresselinjen
   der vises/skjules i mobile browsere ikke skaber et hul under billedet.
   100vh bruges som fallback til ældre browsere. */
.stage {
  position: fixed;
  inset: 0;
  width: 100vw;
  height: 100vh;
  height: 100dvh;
  overflow: hidden;
}

.poster {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
}

.poster img {
  width: 100%;
  height: 100%;
  display: block;
  object-fit: cover;
}

/* Klikbar pil nederst i midten */
.scroll-arrow {
  position: fixed;
  left: 50%;
  bottom: max(24px, env(safe-area-inset-bottom));
  transform: translateX(-50%);
  width: 76px;
  height: 76px;
  border-radius: 50%;
  background: #ffffff;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.35);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 10;
  animation: bounce 2.2s ease-in-out infinite;
  text-decoration: none;
  -webkit-tap-highlight-color: transparent;
}

.scroll-arrow svg {
  pointer-events: none;
}

@keyframes bounce {
  0%, 100% {
    transform: translateX(-50%) translateY(0);
  }
  50% {
    transform: translateX(-50%) translateY(-10px);
  }
}