* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  font-size: 24px;
}

html,
body {
  min-height: 100%;
}

body {
  background-color: #1a1a1a;
  background-image: 
    linear-gradient(45deg, #2d5016 25%, transparent 25%),
    linear-gradient(-45deg, #2d5016 25%, transparent 25%),
    linear-gradient(45deg, transparent 75%, #2d5016 75%),
    linear-gradient(-45deg, transparent 75%, #2d5016 75%);
  background-size: 20px 20px;
  background-position: 0 0, 0 10px, 10px -10px, -10px 0px;
  background-attachment: fixed;
  color: #e0e0e0;
  text-align: center;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  min-height: 100vh;
  padding: 1rem;
  animation: scroll-bg 5s linear infinite;
  overflow: hidden;
  position: relative;
}

.page-card {
  width: min(100%, 860px);
  background: linear-gradient(180deg, rgba(225, 225, 225, 0.1), rgba(225, 255, 255, 0.1));
  border: 1px solid rgba(255, 255, 255, 0.35);
  border-radius: 32px;
  backdrop-filter: blur(0px) saturate(0%);
  -webkit-backdrop-filter: blur(50px) saturate(100%);
  box-shadow: 0 30px 90px rgba(0, 0, 0, 0.24), inset 0 0 0 1px rgba(255, 255, 255, 0.2);
  overflow: hidden;
}

.page-card > * {
  padding: 1.5rem 2rem;
}

.page-card header {
  border-bottom: 1px solid rgba(255, 255, 255, 0.14);
}

.page-card h1,
.page-card h2 {
  color: #ffffff;
}

.page-card p {
  color: #e6e6e6;
}

@media (max-width: 640px) {
  body {
    padding: 0.75rem;
  }

  .page-card {
    border-radius: 20px;
  }

  .page-card > * {
    padding: 1rem 1rem;
  }

  nav ul {
    gap: 1rem;
    flex-wrap: wrap;
  }
}

@keyframes scroll-bg {
  0% {
    background-position: 0 0, 0 10px, 10px -10px, -10px 0px;
  }
  100% {
    background-position: 20px 20px, 20px 30px, 30px 10px, 10px 20px;
  }
}

a {
  color: #ffffff;
  text-decoration: none;
  display: inline-block;
  transition: transform 0.3s ease;
}

a:hover {
  transform: translateY(-5px);
}

a:visited {
  color: #ffffff;
}

ul {
  list-style-type: none;
}

section {
  max-width: 760px;
  margin: 0 auto;
}

nav ul {
  display: flex;
  justify-content: center;
  gap: 1.5rem;
  padding: 0;
}

nav li {
  list-style: none;
}

.page-card footer {
  border-top: 1px solid rgba(255, 255, 255, 0.14);
}

.animal-overlay {
  position: absolute;
  inset: 0;
  pointer-events: none;
  z-index: 0;
}

.confetti-overlay {
  position: absolute;
  inset: 0;
  pointer-events: none;
  z-index: 0;
}

.confetti-piece {
  position: absolute;
  top: 0;
  border-radius: 2px;
  opacity: 0.9;
  transform-origin: center;
  animation: confetti-fall 2.4s ease-in forwards;
}

@keyframes confetti-fall {
  0% {
    opacity: 1;
    transform: translate3d(0, -24px, 0) rotate(0deg);
  }
  100% {
    opacity: 0;
    transform: translate3d(-40px, 100vh, 0) rotate(720deg);
  }
}

.animal-float {
  position: absolute;
  max-width: 32vw;
  width: min(320px, 32vw);
  height: auto;
  opacity: 0;
  transform: translate(-50%, -50%) rotate(var(--rotation, 0deg));
  animation: animal-fade linear forwards;
  will-change: opacity, transform;
}

@keyframes animal-fade {
  0% {
    opacity: 0;
  }
  15% {
    opacity: 1;
  }
  85% {
    opacity: 1;
  }
  100% {
    opacity: 0;
  }
}

.page-card {
  position: relative;
  z-index: 1;
}

.game-image {
  display: none;
  max-width: 150px;
  margin-left: 10px;
  vertical-align: middle;
  border-radius: 8px;
}

li:hover .game-image {
  display: inline-block;
}