:root {
  color-scheme: light;
  font-family: "Helvetica Neue", Arial, sans-serif;
}

body {
  margin: 0;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: radial-gradient(circle at top, #fff2f2, #ffe4e4 45%, #ffd6d6 100%);
  color: #2a0909;
}

.hero {
  text-align: center;
  padding: 2rem 1.5rem 3rem;
}

.hero h1 {
  font-size: clamp(2rem, 4vw, 3rem);
  margin-bottom: 0.5rem;
}

.hero p {
  margin: 0 auto 2.5rem;
  max-width: 32rem;
  font-size: 1.1rem;
}

.bounce-stage {
  position: relative;
  width: 220px;
  height: 220px;
  margin: 0 auto;
}

.red-bounce {
  position: absolute;
  left: 50%;
  width: 120px;
  height: 120px;
  margin-left: -60px;
  border-radius: 50%;
  background: radial-gradient(circle at 30% 30%, #ff8f8f, #ff1b1b 55%, #b30000 100%);
  animation: bounce 1.8s ease-in-out infinite;
  box-shadow: 0 20px 40px rgba(128, 0, 0, 0.25);
}

.shadow {
  position: absolute;
  left: 50%;
  bottom: 18px;
  width: 120px;
  height: 30px;
  margin-left: -60px;
  background: radial-gradient(circle, rgba(80, 0, 0, 0.4), rgba(80, 0, 0, 0) 70%);
  animation: shadow 1.8s ease-in-out infinite;
}

@keyframes bounce {
  0%,
  100% {
    transform: translate(-50%, 0) scale(1);
  }
  50% {
    transform: translate(-50%, -110px) scale(0.95);
  }
}

@keyframes shadow {
  0%,
  100% {
    transform: scale(1);
    opacity: 0.5;
  }
  50% {
    transform: scale(0.6);
    opacity: 0.2;
  }
}