body {
  margin: 0;
  padding: 0;
  font-family: Arial, sans-serif;
  background: linear-gradient(135deg, #6e8efb, #a777e3, #17ead9);
  background-size: 600% 600%;
  animation: gradientBG 12s ease infinite;
  color: #fff;
  text-align: center;
}

@keyframes gradientBG {
  0% { background-position: 0% 50%; }
  50% { background-position: 100% 50%; }
  100% { background-position: 0% 50%; }
}

main {
  padding: 50px 20px;
}

.avatar {
  width: 160px;
  height: 160px;
  border-radius: 50%;
  border: 5px solid rgba(255, 255, 255, 0.8);
  box-shadow: 0 0 25px rgba(255,255,255,0.9);
}

h1 {
  margin: 25px 0 10px;
  font-weight: 700;
  font-size: 28px;
  letter-spacing: 1px;
}

.bio {
  margin-bottom: 35px;
  font-size: 18px;
  line-height: 1.6;
  opacity: 0.9;
}

.link-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 90%;
  max-width: 420px;
  margin: 14px auto;
  padding: 18px;
  background: rgba(255,255,255,0.25);
  border-radius: 35px;
  font-size: 20px;
  color: #fff;
  text-decoration: none;
  transition: 0.3s;
  box-shadow: 0 5px 12px rgba(0,0,0,0.25);
}

.link-btn:hover {
  background: rgba(255,255,255,0.35);
  transform: scale(1.07);
  box-shadow: 0 8px 20px rgba(0,0,0,0.35);
}

.icon {
  width: 30px;
  height: 30px;
  margin-right: 14px;
}

.promo-section {
  margin: 40px 0;
  display: flex;
  justify-content: center;
  gap: 20px;
  flex-wrap: wrap;
}

.promo-section img {
  width: 200px;
  height: auto;
  border-radius: 12px;
  box-shadow: 0 5px 15px rgba(0,0,0,0.25);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.promo-section img:hover {
  transform: scale(1.05);
  box-shadow: 0 8px 20px rgba(0,0,0,0.35);
}