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

body {
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  background-color: #0d1117;
  color: #c9d1d9;
  line-height: 1.6;
}

header {
  background: linear-gradient(90deg, #0d1117, #161b22);
  color: #58a6ff;
  padding: 20px 0 40px;
  border-bottom: 1px solid #30363d;
  position: sticky;
  top: 0;
  z-index: 10;
}

nav {
  display: flex;
  justify-content: center;
  margin-bottom: 10px;
}

.nav-links {
  list-style: none;
  display: flex;
  gap: 30px;
}

.nav-links li a {
  text-decoration: none;
  color: #58a6ff;
  font-weight: bold;
  transition: color 0.3s ease;
}

.nav-links li a:hover {
  color: #79c0ff;
}

.intro {
  text-align: center;
}

.intro h1 {
  font-size: 2.5rem;
  margin-bottom: 5px;
}

.intro p {
  color: #8b949e;
}


section {
  background-color: #161b22;
  margin: 40px auto;
  padding: 25px;
  width: 90%;
  max-width: 900px;
  border-radius: 12px;
  box-shadow: 0 0 15px rgba(88, 166, 255, 0.1);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

section:hover {
  transform: translateY(-3px);
  box-shadow: 0 0 25px rgba(88, 166, 255, 0.3);
}

h2 {
  color: #58a6ff;
  border-bottom: 1px solid #30363d;
  padding-bottom: 5px;
  margin-bottom: 15px;
}

ul {
  padding-left: 20px;
}

a {
  color: #58a6ff;
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

footer {
  text-align: center;
  color: #8b949e;
  margin: 40px 0 20px;
  font-size: 0.9rem;
}

.profile-img {
  width: 120px;
  height: 120px;
  object-fit: cover;
  border-radius: 50%;
  border: 2px solid #58a6ff;
  margin: 10px auto;
  display: block;
}