:root {
  --maxw: 900px;
  --primary-color: #0052cc;
  --text-color: #333;
  --bg-color: #f9f9f9;
}

* { box-sizing: border-box; margin: 0; padding: 0; }
body {
  font-family: Arial, sans-serif;
  background: var(--bg-color);
  color: var(--text-color);
  line-height: 1.6;
}
.wrap {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 20px;
}
header {
  background: white;
  padding: 20px 0;
  border-bottom: 1px solid #ddd;
}
nav .menu {
  display: flex;
  gap: 15px;
}
nav a {
  text-decoration: none;
  color: var(--primary-color);
}
nav a:hover {
  text-decoration: underline;
}
.hero {
  text-align: center;
  margin: 40px 0;
}
.hero img {
  max-width: 100%;
  height: auto;
  border-radius: 8px;
}
footer {
  text-align: center;
  margin: 60px 0 20px;
  font-size: 0.9em;
  color: #777;
}

/* page-specific content spacing */
.page-section {
  margin: 30px 0;
}

.form-group {
  margin-bottom: 15px;
}
input, textarea {
  width: 100%;
  padding: 8px;
  border: 1px solid #bbb;
  border-radius: 4px;
}
button {
  background: var(--primary-color);
  color: white;
  padding: 10px 20px;
  border: none;
  border-radius: 4px;
  cursor: pointer;
}
button:hover {
  opacity: 0.9;
}