*, *::before, *::after {
  box-sizing: border-box;
}

body {
  font-family: system-ui, "Segoe UI", Roboto, Helvetica, Arial, sans-serif, "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol";
  margin: 0;
  background: #1e293b;
  display: flex;
  justify-content: center;
  align-items: center;
  min-height: 100vh;
}

.spatial-card-wrapper {
  perspective: 1200px;
  width: 340px;
  height: 460px;
}

.spatial-card-inner {
  position: relative;
  width: 100%;
  height: 100%;
  transform-style: preserve-3d;
  transition: transform 0.2s ease-out;
  border-radius: 24px;
}

.spatial-bg {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(135deg, #0f172a, #1e1b4b);
  border-radius: 24px;
  border: 1px solid rgba(255, 255, 255, 0.1);
  box-shadow: 0 30px 60px rgba(0, 0, 0, 0.5);
  transform: translateZ(0px);
}

.spatial-layer {
  position: absolute;
  width: 100%;
  display: flex;
  justify-content: center;
  pointer-events: none;
  transition: transform 0.2s ease-out;
}

.layer-1 { top: 30px; transform: translateZ(20px); }
.layer-2 { top: 120px; transform: translateZ(40px); }
.layer-3 { top: 180px; transform: translateZ(60px); padding: 0 30px; text-align: center; }
.layer-4 { bottom: 40px; transform: translateZ(80px); pointer-events: auto; }

.layer-badge {
  background: #3b82f6;
  color: #ffffff;
  padding: 6px 16px;
  border-radius: 20px;
  font-weight: 800;
  letter-spacing: 1px;
}

.layer-2 h2 {
  color: #ffffff;
  font-size: 2.2rem;
  margin: 0;
  text-shadow: 0 10px 20px rgba(0, 0, 0, 0.5);
}

.layer-3 p {
  color: #94a3b8;
  font-size: 1.1rem;
  line-height: 1.6;
}

.spatial-btn {
  background: #ffffff;
  color: #0f172a;
  border: none;
  padding: 12px 32px;
  border-radius: 12px;
  font-size: 1.1rem;
  font-weight: 700;
  cursor: pointer;
  box-shadow: 0 10px 20px rgba(0, 0, 0, 0.3);
}

const card = document.getElementById("spatial-card");
const inner = document.querySelector(".spatial-card-inner");

card.addEventListener("mousemove", function(e) {
  const rect = card.getBoundingClientRect();
  const x = e.clientX - rect.left;
  const y = e.clientY - rect.top;
  
  const centerX = rect.width / 2;
  const centerY = rect.height / 2;
  
  const rotateX = ((y - centerY) / centerY) * -15;
  const rotateY = ((x - centerX) / centerX) * 15;
  
  inner.style.transform = "rotateX(" + rotateX + "deg) rotateY(" + rotateY + "deg)";
});

card.addEventListener("mouseleave", function() {
  inner.style.transform = "rotateX(0deg) rotateY(0deg)";
  inner.style.transition = "transform 0.6s cubic-bezier(0.2, 0.8, 0.2, 1)";
});

card.addEventListener("mouseenter", function() {
  inner.style.transition = "transform 0.1s ease-out";
});