/* Simple, LLM-friendly structure: tag-based styling with minimal classes */
:root {
  --bg: #f4f8ff;
  --surface: #ffffff;
  --text: #0f172a;
  --muted: #334155;
  --primary: #1d4ed8;
  --primary-dark: #1e40af;
  --border: #dbeafe;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  padding: 40px 20px;
  background: linear-gradient(180deg, #eff6ff 0%, var(--bg) 100%);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  line-height: 1.7;
}

main {
  max-width: 780px;
  margin: 0 auto;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 28px;
  box-shadow: 0 10px 30px rgba(30, 64, 175, 0.08);
}

.language-switch {
  display: flex;
  justify-content: flex-end;
  width: 100%;
  text-align: right;
  font-size: 0.92rem;
  margin: -6px 0 10px;
}

h1 {
  margin: 0 0 10px;
  color: var(--primary-dark);
  font-size: 2rem;
  line-height: 1.25;
}

h2 {
  margin: 0 0 8px;
  color: var(--primary);
  font-size: 1.2rem;
  line-height: 1.35;
}

p {
  margin: 0;
  color: var(--muted);
}

section {
  margin-top: 22px;
  padding-top: 18px;
  border-top: 1px solid var(--border);
}

a {
  color: var(--primary);
  text-decoration: none;
  font-weight: 600;
}

a:hover {
  text-decoration: underline;
}