/* Base */
* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: system-ui, -apple-system, BlinkMacSystemFont, sans-serif;
  line-height: 1.6;
  color: #111827;
  background: #ffffff;
}

/* Layout */
main {
  max-width: 880px;
  margin: 0 auto;
  padding: 64px 20px;
}

section + section {
  margin-top: 64px;
}

/* Typography */
h1 {
  font-size: 2.5rem;
  margin-bottom: 16px;
}

h2 {
  font-size: 1.75rem;
  margin-bottom: 12px;
}

h3 {
  font-size: 1.2rem;
  margin-bottom: 4px;
}

p {
  margin: 8px 0 0;
  color: #374151;
}

/* Product blocks */
.product {
  margin-top: 32px;
}

.product p {
  margin-top: 4px;
}

/* Links */
a {
  color: #2563eb;
  text-decoration: none;
  font-weight: 500;
}

a:hover {
  text-decoration: underline;
}

/* Footer */
footer {
  margin-top: 80px;
  padding: 32px 0 48px;
  border-top: 1px solid #e5e7eb;
  background: #fafafa;
}

footer p {
  max-width: 880px;
  margin: 8px auto 0;
  padding: 0 20px;
  font-size: 14px;
  color: #6b7280;
}

footer strong {
  color: #111827;
}