* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  scroll-behavior: smooth;
}

body {
  font-family: 'Segoe UI', sans-serif;
  line-height: 1.6;
  background-color: #f9f9f9;
  color: #333;
}

header {
  background: #222;
  color: #fff;
  padding: 2rem 1rem;
  text-align: center;
}

header h1 {
  font-size: 2.5rem;
}

header nav {
  margin-top: 1rem;
}

header nav a {
  color: #0fd;
  margin: 0 10px;
  text-decoration: none;
  font-weight: bold;
}

header nav a:hover {
  color: #0fa;
}

section {
  padding: 2rem;
  max-width: 900px;
  margin: auto;
}

h2 {
  border-bottom: 2px solid #0fd;
  margin-bottom: 1rem;
  color: #222;
}

ul {
  list-style: square inside;
  margin: 1rem 0;
}

.socials a {
  display: inline-block;
  margin-right: 15px;
  background: #222;
  color: #fff;
  padding: 10px 15px;
  text-decoration: none;
  border-radius: 5px;
  transition: background 0.3s ease;
}

.socials a:hover {
  background: #0fd;
  color: #000;
}

footer {
  text-align: center;
  padding: 1rem;
  background: #222;
  color: #ccc;
  margin-top: 2rem;
}