body {
  margin: 0;
  background-color: white;
  color: black;
  font-family: Arial, sans-serif;
  text-align: center;
}

/* FLASH IMAGE */
#flash-image {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  z-index: 9999;
  display: none;
}

/* TITRE */
h1 {
  margin-top: 20px;
  letter-spacing: 2px;
}

/* GALERIE */
.gallery {
  display: flex;
  justify-content: center;
  align-items: flex-start;
  gap: 80px;
  margin-top: 40px;
  flex-wrap: wrap;
}

.column {
  display: flex;
  flex-direction: column;
  gap: 30px;
}

/* IMAGES */
.column img {
  width: 350px;
  height: 350px;
  object-fit: cover;
  border-radius: 5px;
  transition: transform 0.3s ease;
  cursor: pointer;
}

.column img:hover {
  transform: scale(1.05);
}

/* BOUTON */
.back-home {
  display: inline-block;
  margin-top: 40px;
  margin-bottom: 40px;
  color: black;
  text-decoration: none;
  border: 1px solid black;
  padding: 10px 15px;
  border-radius: 8px;
  transition: 0.3s;
}

.back-home:hover {
  background-color: black;
  color: white;
}

/* LIGHTBOX */
.lightbox {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0,0,0,0.9);
  justify-content: center;
  align-items: center;
  z-index: 1000;
}

.lightbox img {
  max-width: 90%;
  max-height: 90%;
  border-radius: 10px;
}

/* SLIDER */
#slider {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0,0,0,0.95);
  justify-content: center;
  align-items: center;
  z-index: 2000;
}

#slider img {
  max-width: 85%;
  max-height: 85%;
  border-radius: 10px;
}

/* CONTRÔLES */
.prev,
.next,
.close {
  position: absolute;
  color: white;
  font-size: 40px;
  cursor: pointer;
  user-select: none;
  transition: 0.3s;
}

.prev:hover,
.next:hover,
.close:hover {
  transform: scale(1.2);
}

.prev { left: 40px; }
.next { right: 40px; }

.close {
  top: 20px;
  right: 30px;
  font-size: 35px;
}