/* Base */
body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Arial, sans-serif;
  margin: 0;
  background: #f7f9fc;
  color: #1f2937;
}

/* Layout */
.container {
  max-width: 900px;
  margin: 0 auto;
  padding: 20px;
}

/* Header */
.header {
  background: white;
  border-bottom: 1px solid #e5e7eb;
}

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

.logo {
  font-weight: bold;
  font-size: 22px;
}

.nav a {
  margin-left: 20px;
  font-size: 14px;
  color: #374151;
}

/* Hero */
.hero {
  padding: 60px 0 40px;
}

.hero h1 {
  font-size: 36px;
  margin-bottom: 10px;
}

.hero p {
  font-size: 18px;
  color: #6b7280;
}

/* Cards */
.card {
  background: white;
  padding: 20px;
  border-radius: 12px;
  margin-bottom: 15px;
  border: 1px solid #e5e7eb;
}

.card:hover {
  border-color: #1f6feb;
}

/* Sections */
.section {
  margin-top: 40px;
}

/* Links */
a {
  text-decoration: none;
  color: #1f6feb;
}

a:hover {
  text-decoration: underline;
}

/* Lists */
ul {
  padding-left: 18px;
}

li {
  margin-bottom: 8px;
}

/* Callout */
.callout {
  background: #fff8e1;
  border-left: 4px solid #f59e0b;
  padding: 15px;
  border-radius: 6px;
}

/* Header nav */
.header {
  background: white;
  border-bottom: 1px solid #e5e7eb;
}

.header-inner {
  display: flex;
  justify-content: space-between;
  align-items: centre;
}

.logo a {
  text-decoration: none;
  color: #111;
}

.nav a {
  margin-left: 20px;
  font-size: 14px;
  color: #374151;
}

/* Footer */
.footer {
  margin-top: 60px;
  padding: 30px 0;
  border-top: 1px solid #e5e7eb;
  font-size: 14px;
  color: #6b7280;
}

.footer a {
  margin-right: 15px;
}

/* Related links */
.related {
  margin-top: 40px;
}

.related a {
  display: block;
  margin-bottom: 8px;
}
``