body {
  margin: 0;
  font-family: 'Segoe UI', Arial, sans-serif;
  background: #f7f8fa;
  color: #222;
}
nav {
  background: #222;
  padding: 0.5rem 0;
}
nav ul {
  list-style: none;
  display: flex;
  justify-content: center;
  margin: 0;
  padding: 0;
}
nav li {
  margin: 0 1.5rem;
}
nav a {
  color: #fff;
  text-decoration: none;
  font-weight: 500;
  font-size: 1.1rem;
  transition: color 0.2s;
}
nav a:hover {
  color: #00aaff;
}
.hero {
  background: linear-gradient(135deg, #00aaff 60%, #fff 100%);
  color: #fff;
  padding: 4rem 2rem 2rem 2rem;
  text-align: center;
  border-radius: 0 0 2rem 2rem;
  box-shadow: 0 4px 16px rgba(0,170,255,0.08);
}
.features {
  display: flex;
  justify-content: center;
  gap: 2rem;
  margin: 3rem 0;
}
.feature {
  background: #fff;
  border-radius: 1rem;
  box-shadow: 0 2px 8px rgba(0,0,0,0.06);
  padding: 2rem;
  max-width: 300px;
  text-align: center;
}
footer {
  background: #222;
  color: #fff;
  text-align: center;
  padding: 1rem 0;
  margin-top: 3rem;
}
main {
  max-width: 800px;
  margin: 2rem auto;
  background: #fff;
  border-radius: 1rem;
  box-shadow: 0 2px 8px rgba(0,0,0,0.06);
  padding: 2rem;
}
.contact-form {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  margin-top: 2rem;
}
.contact-form label {
  font-weight: 500;
}
.contact-form input,
.contact-form textarea {
  padding: 0.7rem;
  border-radius: 0.5rem;
  border: 1px solid #ccc;
  font-size: 1rem;
}
.contact-form button {
  background: #00aaff;
  color: #fff;
  border: none;
  border-radius: 0.5rem;
  padding: 0.8rem 1.5rem;
  font-size: 1.1rem;
  font-weight: 600;
  cursor: pointer;
  transition: background 0.2s;
}
.contact-form button:hover {
  background: #0077cc;
}