:root {
  --primary-color: #ff69b4; /* Hot Pink */
  --secondary-color: #9370db; /* Medium Purple */
  --accent-color: #ffd700; /* Gold */
  --bg-color: #fff0f5; /* Lavender Blush */
}

body {
  margin: 0;
  padding: 0;
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  background-color: var(--bg-color);
  color: #333;
  overflow-x: hidden;
}

.container {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  height: 100vh;
  text-align: center;
  position: relative;
  z-index: 10;
}

h1 {
  font-size: 4rem;
  color: var(--secondary-color);
  text-shadow: 2px 2px 4px rgba(0,0,0,0.1);
  margin-bottom: 0.5rem;
}

p {
  font-size: 1.5rem;
  color: var(--primary-color);
}

.btn {
  background-color: var(--primary-color);
  color: white;
  border: none;
  padding: 10px 20px;
  font-size: 1.1rem;
  border-radius: 25px;
  cursor: pointer;
  transition: transform 0.2s, background-color 0.2s;
  box-shadow: 0 4px 6px rgba(0,0,0,0.1);
}

.btn:hover {
  background-color: var(--secondary-color);
  transform: scale(1.05);
}

.btn:active {
  transform: scale(0.95);
}

/* Butterfly Animation Styles */
.butterfly-container {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 1;
}

.butterfly {
  position: absolute;
  width: 40px;
  height: 40px;
  transform-style: preserve-3d;
  animation: fly linear infinite;
}

.wing {
  position: absolute;
  width: 20px;
  height: 30px;
  background-color: var(--primary-color);
  border-radius: 50% 50% 0 50%;
  opacity: 0.8;
  transform-origin: right bottom;
}

.wing.left {
  left: 0;
  animation: flap-left 0.2s ease-in-out infinite alternate;
}

.wing.right {
  right: 20px;
  border-radius: 50% 50% 50% 0;
  transform-origin: left bottom;
  animation: flap-right 0.2s ease-in-out infinite alternate;
}

@keyframes flap-left {
  from { transform: rotateY(0deg); }
  to { transform: rotateY(70deg); }
}

@keyframes flap-right {
  from { transform: rotateY(0deg); }
  to { transform: rotateY(-70deg); }
}

@keyframes fly {
  0% { transform: translate(-100px, 100vh) rotate(45deg); }
  100% { transform: translate(110vw, -100px) rotate(45deg); }
}

/* Specific Butterfly Variations */
.b1 { top: 10%; animation-duration: 15s; animation-delay: 0s; }
.b2 { top: 30%; animation-duration: 12s; animation-delay: -5s; }
.b3 { top: 60%; animation-duration: 18s; animation-delay: -2s; }
.b4 { top: 80%; animation-duration: 20s; animation-delay: -10s; }
.b5 { top: 40%; animation-duration: 14s; animation-delay: -7s; }

.b2 .wing { background-color: var(--secondary-color); }
.b4 .wing { background-color: var(--accent-color); }