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

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

header {
  background: #222;
  color: #fff;
  padding: 60px 20px;
  text-align: center;
}

header h1 {
  font-size: 2.5rem;
  margin-bottom: 10px;
}

header p {
  font-size: 1.2rem;
  margin-bottom: 20px;
}

.btn {
  display: inline-block;
  padding: 10px 20px;
  background: #ff5722;
  color: #fff;
  border-radius: 5px;
  text-decoration: none;
}

.btn:hover {
  background: #e64a19;
}

section {
  padding: 40px 20px;
}

.container {
  max-width: 900px;
  margin: auto;
}

.projects-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 20px;
}

.project-card {
  background: #fff;
  padding: 20px;
  border-radius: 10px;
  box-shadow: 0 2px 5px rgba(0,0,0,0.1);
}

.project-card h3 {
  margin-bottom: 10px;
}

.project-card a {
  color: #ff5722;
  text-decoration: none;
  font-weight: bold;
}

.project-card a:hover {
  text-decoration: underline;
}

footer {
  background: #222;
  color: #fff;
  text-align: center;
  padding: 15px;
  margin-top: 20px;
}