body {
  margin: 0;
  font-family: 'Poppins', sans-serif;
  background: linear-gradient(135deg, #001F3F, #0074D9);
  color: white;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  height: 100vh;
  text-align: center;
  transition: background 0.5s, color 0.5s;
}
.container {
  background-color: rgba(255, 255, 255, 0.1);
  padding: 40px;
  border-radius: 20px;
  box-shadow: 0 0 15px rgba(255, 255, 255, 0.2);
  width: 90%;
  max-width: 400px;
  transition: background 0.5s, box-shadow 0.5s;
}
.profile img {
  width: 100px;
  height: 100px;
  border-radius: 50%;
  margin-bottom: 10px;
}
h1 {
  margin-bottom: 5px;
  font-size: 24px;
}
p {
  margin-bottom: 30px;
  font-size: 14px;
  color: #cfd9e6;
}
.links {
  display: flex;
  flex-direction: column;
  gap: 15px;
}
.btn {
  padding: 12px;
  border: none;
  border-radius: 30px;
  text-decoration: none;
  color: white;
  font-weight: 600;
  transition: 0.3s;
}
.btn:hover {
  transform: scale(1.05);
  opacity: 0.9;
}
.facebook { background-color: #3b5998; }
.instagram { background: linear-gradient(45deg, #f09433, #e6683c, #dc2743, #cc2366, #bc1888); }
.youtube { background-color: #ff0000; }
.tiktok { background: linear-gradient(45deg, #69C9D0, #EE1D52); }
.twitter { background-color: #1DA1F2; }
footer {
  position: fixed;
  bottom: 10px;
  text-align: center;
  width: 100%;
  font-size: 12px;
  color: #cfd9e6;
}
@media (prefers-color-scheme: dark) {
  body {
    background: linear-gradient(135deg, #000814, #001D3D);
    color: #e0e0e0;
  }
  .container {
    background-color: rgba(255, 255, 255, 0.08);
    box-shadow: 0 0 20px rgba(0, 150, 255, 0.3);
  }
  footer {
    color: #9bb3c7;
  }
}
@media (prefers-color-scheme: light) {
  body {
    background: linear-gradient(135deg, #E3F2FD, #BBDEFB);
    color: #0d47a1;
  }
  .container {
    background-color: rgba(255, 255, 255, 0.8);
    box-shadow: 0 0 15px rgba(0, 0, 0, 0.1);
  }
  footer {
    color: #0d47a1;
  }
}