body {
  margin: 0;
  font-family: 'Inter', sans-serif;
  background-color: var(--bg);
  color: var(--text);
  transition: background-color 0.3s, color 0.3s;
}
:root {
  --bg: #ffffff;
  --text: #000000;
}
body.dark {
  --bg: #121212;
  --text: #ffffff;
}
.hero-section, .section, .footer {
  padding: 2rem;
}
.navbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.nav-links {
  list-style: none;
  display: flex;
  gap: 1rem;
}
.contact-form form {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  max-width: 400px;
}