html, body {
  height: 100%;
  margin: 0;
  background: black;
  overflow: hidden;
  font-family: 'Cinzel', serif;
}

/* Dungeon */
#dungeon {
  position: absolute;
  top: 0; left: 0;
  width: 100%; height: 100%;
  background: url("dungeon.gif") no-repeat center center;
  background-size: cover;
  transform: scale(1);
  opacity: 0;
  transition: opacity 1s ease, transform 3s ease;
  z-index: 0;
}
#dungeon.reveal {
  opacity: 1;
  transform: scale(1.2);
}

/* Logo */
#logo {
  position: absolute;
  top: 0; left: 0;
  width: 100%; height: 100%;
  background: black;
  display: flex;
  justify-content: center;
  align-items: center;
  opacity: 0;
  transition: opacity 2s ease;
  z-index: 3;
}
#logo.show { opacity: 1; }
#logo.hide { opacity: 0; }
#logo img { width: 900px; height: auto; }

/* Doors */
.door {
  position: absolute;
  top: 0;
  width: 50%; height: 100%;
  background-size: cover;
  background-position: center;
  opacity: 0;
  transition: opacity 1.5s ease, transform 2s ease;
  z-index: 2;
}
#door-left { left: 0; background-image: url("door-left.jpg"); }
#door-right { right: 0; background-image: url("door-right.jpg"); }
.door.show { opacity: 1; }
.door.slide-left { transform: translateX(-100%); }
.door.slide-right { transform: translateX(100%); }

/* Header */
header {
  position: absolute;
  top: 0; left: 0;
  width: 100%;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 15px 40px;
  background: rgba(0,0,0,0.5);
  border-bottom: 3px solid #d3a625;
  opacity: 0;
  transition: opacity 2s ease;
  z-index: 5;
  box-sizing: border-box;
}
header.show { opacity: 1; }

.logo-title {
  display: flex;
  align-items: center;
  gap: 15px;
  min-width: 180px;
}
.logo-title img {
  width: 60px;
  height: auto;
}
.logo-title h1 {
  margin: 0;
  font-family: 'Merriweather', serif;
  font-size: 28px;
  color: #d3a625;
  text-shadow: 2px 2px 6px black;
}

nav ul {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 20px;
  list-style: none;
  margin: 0;
  padding: 0;
}
nav a {
  text-decoration: none;
  font-size: 18px;
  color: #d3a625;
  transition: color 0.3s ease;
  white-space: nowrap;
}
nav a:hover { color: #fff; }

/* Footer */
footer {
  position: absolute;
  bottom: 0; left: 0;
  width: 100%;
  padding: 15px;
  text-align: center;
  font-size: 1.2rem;
  color: #d3a625;
  border-top: 3px solid #d3a625;
  background: rgba(0, 0, 0, 0.5);
  opacity: 0;
  transition: opacity 2s ease;
  z-index: 5;
}
footer.show { opacity: 1; }

/* Fate Section */
#fate-section {
  position: absolute;
  top: 50%; left: 50%;
  transform: translate(-50%, -50%);
  background: url("blanket2.jpg") no-repeat center center;
  background-size: cover;
  padding: 60px 120px;
  min-width: 1200px;
  border-radius: 20px;
  border: 5px solid #d3a625;
  box-shadow: 0 0 40px rgba(211,166,37,0.6);
  opacity: 0;
  transition: opacity 2s ease;
  z-index: 4;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 40px;
}
#fate-section.show { opacity: 1; }

/* Title */
#fate-title {
  font-size: 3rem;
  font-weight: bold;
  color: #d3a625;
  text-align: center;
  text-shadow: 2px 2px 8px black;
  font-family: 'Merriweather', serif;
}

/* Cards Layout */
#cards-wrapper {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 40px;
}

/* Card Flip */
.card {
  width: 220px;
  height: 320px;
  perspective: 1000px;
  cursor: pointer;
  opacity: 0;
  transform: translateY(40px);
  transition: opacity 1s ease, transform 1s ease;
  pointer-events: none; /* disabled initially */
}
.card.reveal {
  opacity: 1;
  transform: translateY(0);
}
.card.enabled {
  pointer-events: auto; /* clickable after reveal sequence */
}
.card-inner {
  position: relative;
  width: 100%; height: 100%;
  transition: transform 0.8s;
  transform-style: preserve-3d;
}
.card:hover .card-inner {
  transform: rotateY(180deg);
}
.card-front, .card-back {
  position: absolute;
  width: 100%; height: 100%;
  backface-visibility: hidden;
  border-radius: 12px;
  overflow: hidden;
  border: 3px solid #d3a625;
  box-shadow: 0 8px 20px rgba(0,0,0,0.6);
}
.card-back {
  background: url("Back card.jpg") no-repeat center center;
  background-size: cover;
}
.card-front {
  transform: rotateY(180deg);
  background-size: cover;
  background-position: center;
}

/* House Images */
#gryffindor .card-front { background-image: url("Gryffindor.png"); }
#hufflepuff .card-front { background-image: url("Hufflepuff.jpg"); }
#slytherin .card-front { background-image: url("Slytherin.jpg"); }
#ravenclaw .card-front { background-image: url("Ravenclaw.jpg"); }