@import url('https://fonts.googleapis.com/css2?family=Poppins:wght@400;600&display=swap');

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: "Poppins", sans-serif;
}

body {
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  min-height: 100vh;
  background: linear-gradient(135deg, #0f2027, #203a43, #2c5364);
  color: #fff;
  overflow-x: hidden;
  text-align: center;
}

.wrapper {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 20px;
  padding: 2rem 3rem;
  backdrop-filter: blur(12px);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
  animation: fadeIn 1.2s ease;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(20px); }
  to { opacity: 1; transform: translateY(0); }
}

h1 {
  font-size: 2rem;
  margin-bottom: 0.5rem;
}

.subtitle {
  font-size: 1rem;
  opacity: 0.8;
  margin-bottom: 2rem;
}

.palette {
  display: flex;
  justify-content: center;
  gap: 1rem;
  flex-wrap: wrap;
  margin-bottom: 2rem;
}

.color {
  width: 120px;
  height: 140px;
  border-radius: 12px;
  position: relative;
  overflow: hidden;
  cursor: pointer;
  transform: translateY(0);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
  animation: float 3s ease-in-out infinite;
}

@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-8px); }
}

.color:hover {
  transform: scale(1.08);
  box-shadow: 0 0 20px rgba(255, 255, 255, 0.3);
}

.hex {
  position: absolute;
  bottom: 8px;
  left: 50%;
  transform: translateX(-50%);
  background: rgba(0, 0, 0, 0.4);
  padding: 6px 10px;
  border-radius: 8px;
  font-size: 0.9rem;
  transition: background 0.3s;
}

.hex:hover {
  background: rgba(0, 0, 0, 0.6);
}

button {
  background: linear-gradient(90deg, #00c2cb, #6a5acd);
  border: none;
  color: #fff;
  padding: 12px 30px;
  border-radius: 10px;
  font-size: 1rem;
  cursor: pointer;
  font-weight: 600;
  letter-spacing: 0.5px;
  transition: all 0.3s ease;
  box-shadow: 0 4px 20px rgba(0, 194, 203, 0.3);
}

button:hover {
  transform: scale(1.05);
  background: linear-gradient(90deg, #6a5acd, #00c2cb);
  box-shadow: 0 6px 30px rgba(0, 194, 203, 0.4);
}

footer {
  position: fixed;
  bottom: 10px;
  font-size: 0.85rem;
  opacity: 0.8;
}

footer a {
  color: #00c2cb;
  text-decoration: none;
}

footer a:hover {
  text-decoration: underline;
}