* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: Arial, sans-serif;
}

body {
  background: #0f172a;
  color: #e5e7eb;
  line-height: 1.6;
}

header {
  display: flex;
  justify-content: space-between;
  padding: 20px 10%;
  background: #020617;
}

header h1 {
  color: #38bdf8;
}

nav a {
  color: #e5e7eb;
  margin-left: 20px;
  text-decoration: none;
}

.hero {
  height: 80vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  text-align: center;
}

.hero span {
  color: #38bdf8;
}

.btn {
  margin-top: 20px;
  padding: 10px 25px;
  background: #38bdf8;
  color: #020617;
  text-decoration: none;
  border-radius: 5px;
}

section {
  padding: 60px 10%;
}

.skills span {
  display: inline-block;
  background: #1e293b;
  padding: 10px 15px;
  margin: 5px;
  border-radius: 5px;
}

.projects {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 20px;
}

.card {
  background: #1e293b;
  padding: 20px;
  border-radius: 10px;
}

.card a {
  color: #38bdf8;
  text-decoration: none;
}

footer {
  text-align: center;
  padding: 20px;
  background: #020617;
  margin-top: 40px;
}

@media (max-width: 768px) {
  header {
    flex-direction: column;
    text-align: center;
  }
}