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

body {
  height: 100vh;
  overflow: hidden;
  background: radial-gradient(circle at center, #040404 0%, #000 100%);
  font-family: 'Poppins', sans-serif;
  color: #fff;
  display: flex;
  justify-content: center;
  align-items: center;
  position: relative;
}

.fog-overlay, .fog-overlay::before, .fog-overlay::after {
  position: absolute;
  top: 0; left: 0;
  width: 200%;
  height: 100%;
  background: url("assets/fog.png") repeat-x;
  background-size: cover;
  z-index: 1;
}
.fog-overlay {
  animation: fogMove 90s linear infinite;
}
.fog-overlay::before {
  content: "";
  opacity: 0.4;
  animation: fogMove2 120s linear infinite;
}
.fog-overlay::after {
  content: "";
  opacity: 0.3;
  animation: fogMove3 150s linear infinite;
}
@keyframes fogMove { to { transform: translateX(-50%); } }
@keyframes fogMove2 { to { transform: translateX(-40%); } }
@keyframes fogMove3 { to { transform: translateX(-30%); } }

#lightning {
  position: fixed;
  top: 0; left: 0;
  width: 100%;
  height: 100%;
  background: rgba(255,255,255,0.8);
  opacity: 0;
  z-index: 5;
  pointer-events: none;
}

.container { position: relative; z-index: 3; text-align: center; }

.portal-door {
  position: relative;
  width: 320px; height: 400px;
  border: 3px solid #bfa17f;
  box-shadow: 0 0 50px rgba(255,140,0,0.6);
  border-radius: 10px;
  overflow: hidden;
}

.door-left, .door-right {
  position: absolute;
  top: 0; width: 50%; height: 100%;
  background: linear-gradient(135deg, #1a1a1a, #0f0f0f);
  transition: transform 1.2s ease-in-out;
}
.door-left { left: 0; border-right: 2px solid #bfa17f; transform-origin: left center; }
.door-right { right: 0; border-left: 2px solid #bfa17f; transform-origin: right center; }

.glow {
  position: absolute;
  width: 100%; height: 100%;
  background: radial-gradient(circle at center, rgba(255,120,0,0.2) 0%, transparent 70%);
  z-index: 0;
  mix-blend-mode: screen;
  animation: pulse 3s ease-in-out infinite;
}
@keyframes pulse {
  0%, 100% { opacity: 0.3; }
  50% { opacity: 1; }
}

#enterBtn {
  position: absolute; bottom: 20px; left: 50%;
  transform: translateX(-50%);
  background: #bfa17f; color: #000;
  padding: 12px 24px; border: none;
  border-radius: 50px; font-family: 'Creepster', cursive;
  cursor: pointer; z-index: 2;
  transition: all 0.3s;
}
#enterBtn:hover { background: #0f52ba; color: #fff; }

.portal-content {
  display: none; text-align: center;
  animation: fadeIn 2s ease forwards;
}
@keyframes fadeIn { from { opacity: 0; } to { opacity: 1; } }

.portal-content h1 {
  font-family: 'Creepster', cursive;
  font-size: 3.2rem;
  color: #ff7518;
  text-shadow: 0 0 20px #ff7518, 0 0 40px #ff7518;
  margin-bottom: 10px;
}

.portal-content p {
  color: #ddd; font-size: 1.1rem; margin-bottom: 20px;
}

#replayBtn {
  background: transparent;
  border: 2px solid #bfa17f;
  color: #bfa17f;
  padding: 10px 20px;
  border-radius: 30px;
  cursor: pointer;
  transition: all 0.3s;
}
#replayBtn:hover { background: #bfa17f; color: #000; }

.bats {
  position: absolute;
  width: 60px;
  opacity: 0.8;
  animation: fly linear infinite;
}
@keyframes fly {
  0% { transform: translateX(-10%) translateY(0); }
  50% { transform: translateX(100vw) translateY(-20vh); }
  100% { transform: translateX(-10%) translateY(0); }
}

.cursor-glow {
  position: fixed;
  width: 60px; height: 60px;
  background: radial-gradient(circle, rgba(255,120,0,0.5), transparent);
  border-radius: 50%;
  pointer-events: none;
  mix-blend-mode: lighten;
  z-index: 999;
}

#soulsCanvas {
  position: absolute;
  top: 0; left: 0;
  width: 100%; height: 100%;
  pointer-events: none;
}

.bats {
  position: absolute;
  width: 40px;
  opacity: 0.8;
  filter: drop-shadow(0 0 5px #ff7518);
  animation: fly linear infinite;
  filter: drop-shadow(0 0 10px #ff7518) drop-shadow(0 0 20px #ff4000);
}

@keyframes fly {
  0% {
    transform: translateX(0) translateY(0) scale(1) rotate(0deg);
  }
  25% {
    transform: translateX(20vw) translateY(-10vh) scale(1.2) rotate(5deg);
  }
  50% {
    transform: translateX(40vw) translateY(5vh) scale(0.9) rotate(-10deg);
  }
  75% {
    transform: translateX(60vw) translateY(-5vh) scale(1.1) rotate(8deg);
  }
  100% {
    transform: translateX(0) translateY(0) scale(1) rotate(0deg);
  }
}