* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: Arial, sans-serif;
  background: #f7f9fb;
  color: #222;
  line-height: 1.6;
}

.container {
  width: min(1100px, 92%);
  margin: auto;
}

.site-header {
  background: #ffffff;
  border-bottom: 1px solid #e5e5e5;
  padding: 16px 0;
}

.site-header .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logo {
  margin: 0;
  color: #0066cc;
}

.nav a {
  margin-left: 16px;
  text-decoration: none;
  color: #222;
}

.nav a:hover {
  color: #0066cc;
}

.hero {
  background: #ffffff;
  padding: 40px;
  margin-top: 30px;
  border-radius: 12px;
}

.button {
  display: inline-block;
  padding: 10px 18px;
  background: #0066cc;
  color: #ffffff;
  text-decoration: none;
  border-radius: 6px;
}

.article {
  background: #ffffff;
  margin-top: 30px;
  padding: 30px;
  border-radius: 12px;
}

form {
  background: #ffffff;
  padding: 25px;
  border-radius: 12px;
  margin-top: 20px;
}

input,
textarea {
  width: 100%;
  padding: 12px;
  margin: 8px 0 18px;
  border: 1px solid #ccc;
  border-radius: 6px;
}

button {
  padding: 10px 18px;
  background: #0066cc;
  color: white;
  border: 0;
  border-radius: 6px;
}

.site-footer {
  margin-top: 50px;
  padding: 25px 0;
  background: #ffffff;
  border-top: 1px solid #e5e5e5;
}