body {
  background: linear-gradient(135deg, #10182a 0%, #1a2238 100%);
  color: #e0e6ed;
  font-family: 'Segoe UI', 'Roboto', 'Arial', sans-serif;
  margin: 0;
  min-height: 100vh;
}

header {
  background: linear-gradient(90deg, #16213e 60%, #0f3460 100%);
  box-shadow: 0 2px 16px 0 #000a;
  padding: 2.5rem 0 2rem 0;
  text-align: center;
  position: relative;
  border-bottom: 2px solid #23395d;
}

.profile-pic {
  width: 128px;
  height: 128px;
  border-radius: 50%;
  border: 3px solid #23395d;
  box-shadow: 0 0 32px 0 #0ff8, 0 2px 8px #000a;
  object-fit: cover;
  margin-bottom: 1.2rem;
  background: #222;
}

h1, h2, h3 {
  color: #f8f8ff;
  text-shadow: 0 2px 8px #0ff4, 0 1px 0 #222;
  letter-spacing: 1px;
}

h1 {
  font-size: 2.5rem;
  margin-bottom: 0.5rem;
}

h2 {
  font-size: 1.6rem;
  margin-top: 2rem;
}

nav ul {
  list-style: none;
  padding: 0;
  margin: 1.2rem 0 0 0;
  display: flex;
  justify-content: center;
  gap: 2.5rem;
}

nav a {
  color: #0ff8;
  text-decoration: none;
  font-weight: 500;
  font-size: 1.1rem;
  transition: color 0.2s;
}
nav a:hover {
  color: #ff0fa0;
}

section {
  background: #16213e;
  margin: 2rem auto;
  padding: 2.2rem;
  border-radius: 1.2rem;
  box-shadow: 0 2px 16px #000a;
  max-width: 720px;
  border: 1px solid #23395d;
}

article {
  margin-bottom: 1.5rem;
  padding-bottom: 1rem;
  border-bottom: 1px solid #23395d;
}
article:last-child {
  border-bottom: none;
}

footer {
  text-align: center;
  padding: 1.5rem 0;
  background: #10182a;
  color: #888;
  font-size: 1rem;
  border-top: 1px solid #23395d;
}

ul {
  padding-left: 1.2rem;
}

strong {
  color: #0ff8;
}

@media (max-width: 600px) {
  section {
    padding: 1rem;
  }
  header {
    padding: 1rem 0 1rem 0;
  }
  .profile-pic {
    width: 80px;
    height: 80px;
  }
  h1 {
    font-size: 1.5rem;
  }
}