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

html, body {
  width: 100%;
  height: 100%;
  background: black;
  overflow: hidden;
}

/* ======================
   VIDÉOS
   ====================== */

.video {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  object-fit: cover;
  z-index: 1;
}

/* Desktop par défaut */
.video-mobile {
  display: none;
}

/* Mobile */
@media (max-width: 768px) {
  .video-desktop {
    display: none;
  }

  .video-mobile {
    display: block;
  }
}

/* ======================
   LOADER
   ====================== */

#loader {
  position: fixed;
  inset: 0;
  background: black;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: center;
  visibility: visible;
}

/* Cercle noir + lueur */
.loader-glow {
  width: 120px;
  height: 120px;
  border-radius: 50%;

  /* cercle noir central */
  background-color: black;

  /* lueur blanche autour */
  box-shadow:
    0 0 25px rgba(255,255,255,0.35),
    0 0 50px rgba(255,255,255,0.25),
    0 0 90px rgba(255,255,255,0.15);

  animation: glow-pulse 1.6s ease-in-out infinite;
}

/* Animation douce de la lueur uniquement */
@keyframes glow-pulse {
  0% {
    box-shadow:
      0 0 18px rgba(255,255,255,0.25),
      0 0 40px rgba(255,255,255,0.18),
      0 0 70px rgba(255,255,255,0.1);
  }
  50% {
    box-shadow:
      0 0 30px rgba(255,255,255,0.45),
      0 0 65px rgba(255,255,255,0.3),
      0 0 120px rgba(255,255,255,0.18);
  }
  100% {
    box-shadow:
      0 0 18px rgba(255,255,255,0.25),
      0 0 40px rgba(255,255,255,0.18),
      0 0 70px rgba(255,255,255,0.1);
  }
}