html {
  scroll-behavior: smooth;
  font-size: 18px;
  box-sizing: border-box;
}

*, *::before, *::after {
  box-sizing: inherit;
}

body {
  margin: 0;
  font-family: 'Segoe UI', sans-serif;
  color: #333;
  background-color: #fff;
  line-height: 1.6;
}

header {
  text-align: center;
  padding: 1.5rem;
  background-color: #000;
  color: white;
}

.logo {
  max-width: 150px;
  height: auto;
}

nav {
  margin-top: 1rem;
}

nav a {
  margin: 0 1rem;
  text-decoration: none;
  color: #ccc;
  font-weight: bold;
}

nav a:hover {
  color: white;
  text-decoration: underline;
}

main {
  max-width: 800px;
  margin: auto;
  padding: 2rem;
}

section {
  margin-bottom: 3rem;
}

h1 {
  color: #white;
}

h2 {
  color: #000;
}

footer {
  text-align: center;
  padding: 1rem;
  background-color: #f5f5f5;
  font-size: 0.9rem;
}

form {
  margin-top: 1rem;
}

input, textarea {
  padding: 0.5rem;
  font-size: 1rem;
  border: 1px solid #ccc;
  border-radius: 4px;
}

button {
  background-color: #333;
  color: white;
  padding: 0.5rem 1rem;
  border: none;
  cursor: pointer;
  border-radius: 4px;
}

button:hover {
  background-color: #555;
}