body {
  font-family: 'Helvetica Neue', sans-serif;
  margin: 0;
  background: #f4f7f9;
  color: #333;
  line-height: 1.6;
}

header {
  background: #fff;
  box-shadow: 0 2px 10px rgba(0,0,0,0.05);
  position: sticky;
  top: 0;
  z-index: 1000;
  padding: 1rem 2rem;
}

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

.logo {
  font-size: 1.4rem;
  font-weight: bold;
  color: #007acc;
}

.nav-links {
  list-style: none;
  display: flex;
  gap: 1rem;
}

.nav-links a {
  text-decoration: none;
  color: #444;
  transition: color 0.3s;
}

.nav-links a:hover {
  color: #007acc;
}

section {
  padding: 3rem 2rem;
  max-width: 1000px;
  margin: auto;
}

#hello {
  background: linear-gradient(to right, #007acc, #00bfff);
  color: white;
  text-align: center;
  padding: 5rem 2rem;
}

.hello-text h2 {
  font-size: 2rem;
}

h1 {
  color: white;
  margin-bottom: 1rem;
}

h2 {
  color: #007acc;
  margin-bottom: 1rem;
}

.project-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.5rem;
}

.project-card {
  background: white;
  border-radius: 8px;
  padding: 1.5rem;
  box-shadow: 0 2px 10px rgba(0,0,0,0.05);
  transition: transform 0.3s;
}

.project-card:hover {
  transform: translateY(-5px);
}

footer {
  background: #eaeaea;
  text-align: center;
  padding: 2rem;
  font-size: 0.9rem;
}