body {
  box-sizing: border-box;
}

html, body {
  height: 100%;
  margin: 0;
  padding: 0;
}

.smooth-scroll {
  scroll-behavior: smooth;
}

.project-card {
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.project-card:hover {
  transform: translateY(-8px);
  box-shadow: 0 12px 24px rgba(0, 0, 0, 0.15);
}

.nav-link {
  transition: color 0.3s ease;
}

.contact-button {
  transition: all 0.3s ease;
}

.contact-button:hover {
  transform: scale(1.05);
}