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

body {
  height: 100vh;
  font-family: 'Segoe UI', sans-serif;
  background: radial-gradient(circle at top, #ff9a9e, #fad0c4, #fbc2eb);
  overflow: hidden;
  animation: bgPulse 10s ease-in-out infinite;
}

/* Background breathing animation */
@keyframes bgPulse {
  0% { filter: brightness(1); }
  50% { filter: brightness(1.08); }
  100% { filter: brightness(1); }
}

/* Home container */
.home {
  position: relative;
  z-index: 2;
  height: 100%;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  text-align: center;
  color: white;
  animation: fadeIn 2s ease;
}

.title {
  font-size: 46px;
  letter-spacing: 2px;
  text-shadow: 0 10px 30px rgba(0,0,0,0.4);
}

.subtitle {
  margin-top: 15px;
  font-size: 20px;
  opacity: 0.95;
}

/* Button */
#heartBtn {
  margin-top: 45px;
  padding: 16px 36px;
  font-size: 18px;
  border-radius: 40px;
  border: none;
  cursor: pointer;
  color: white;
  background: linear-gradient(45deg, #ff4d6d, #ff85a1);
  box-shadow: 0 15px 40px rgba(255,77,109,0.6);
  transition: transform 0.3s, box-shadow 0.3s;
}

#heartBtn:hover {
  transform: scale(1.12);
  box-shadow: 0 20px 60px rgba(255,77,109,0.9);
}

/* Floating love emojis */
.floating span {
  position: absolute;
  font-size: 22px;
  animation: floatLove 8s linear infinite;
  opacity: 0.8;
}

@keyframes floatLove {
  from {
    transform: translateY(110vh) scale(0.8);
    opacity: 0;
  }
  to {
    transform: translateY(-10vh) scale(1.2);
    opacity: 1;
  }
}

/* Fade-in */
@keyframes fadeIn {
  from { opacity: 0; transform: translateY(25px); }
  to { opacity: 1; transform: translateY(0); }
}