body {
  margin: 0;
  font-family: 'Arial', sans-serif;
  background: #0f172a;
  color: #f4f4f4;
}
.hero {
  text-align: center;
  background: linear-gradient(135deg, #0f2027, #203a43, #2c5364);
  padding: 3rem 2rem;
}
.profile-pic {
  width: 150px;
  height: 150px;
  border-radius: 50%;
  object-fit: cover;
  border: 4px solid #fff;
  margin-bottom: 1rem;
}
h1 {
  font-size: 2.2rem;
  margin-bottom: 0.3rem;
}
.btn {
  background: #22d3ee;
  color: #000;
  padding: 0.7rem 1.4rem;
  text-decoration: none;
  border-radius: 25px;
  font-weight: bold;
}
.container {
  max-width: 800px;
  margin: auto;
  padding: 2rem;
  background: #1e293b;
  border-radius: 12px;
  margin-top: -2rem;
}
h2 {
  color: #22d3ee;
}
a {
  color: #22d3ee;
}
@media screen and (max-width: 600px) {
  .btn {
    display: block;
    width: 100%;
    font-size: 1rem;
    padding: 0.8rem 1rem;
    margin: 10px 0;
    box-sizing: border-box;
  }

  .container {
    padding: 1rem;
    margin-top: 1rem;
  }

  h1 {
    font-size: 1.5rem;
  }

  h2 {
    font-size: 1.2rem;
  }

  img,
  .profile-pic {
    max-width: 100%;
    height: auto;
  }
}