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

body {
  background-color: #f4f4f4;
  color: #333;
}

/* Header */
header {
  background-color: #111;
  padding: 15px 40px;
}

nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logo {
  color: #00bcd4;
}

nav ul {
  list-style: none;
  display: flex;
  gap: 20px;
}

nav a {
  color: white;
  text-decoration: none;
}

nav a:hover {
  color: #00bcd4;
}

/* Hero */
.hero {
  text-align: center;
  padding: 80px 20px;
  background: linear-gradient(to right, #00bcd4, #2196f3);
  color: white;
}

.hero span {
  color: yellow;
}

.btn {
  display: inline-block;
  margin-top: 20px;
  padding: 10px 20px;
  background-color: #111;
  color: white;
  text-decoration: none;
  border-radius: 5px;
}

.btn:hover {
  background-color: #333;
}

/* Sections */
.section {
  padding: 60px 20px;
  text-align: center;
}

.project-card {
  background-color: white;
  padding: 20px;
  margin: 20px auto;
  max-width: 400px;
  border-radius: 8px;
  box-shadow: 0 4px 10px rgba(0,0,0,0.1);
}

/* Footer */
footer {
  background-color: #111;
  color: white;
  text-align: center;
  padding: 15px;
}