:root {
  color-scheme: light;
  --background: #f8fafc;
  --surface: #ffffff;
  --foreground: #0f172a;
  --muted: #475569;
  --primary: #1e3a8a;
  --border: #cbd5e1;
}

* {
  box-sizing: border-box;
}

html {
  background: var(--background);
  font-size: 16px;
  -webkit-text-size-adjust: 100%;
  text-size-adjust: 100%;
}

body {
  margin: 0;
  color: var(--foreground);
  background: var(--background);
  font-family: Inter, ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  line-height: 1.75;
}

main {
  width: min(100% - 32px, 800px);
  margin: 0 auto;
  padding: 48px 0;
}

article {
  overflow: hidden;
  padding: clamp(24px, 5vw, 56px);
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 18px;
  box-shadow: 0 12px 32px rgb(15 23 42 / 8%);
}

header {
  padding-bottom: 32px;
  border-bottom: 1px solid var(--border);
}

.product {
  margin: 0 0 8px;
  color: var(--primary);
  font-size: 0.875rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

h1,
h2 {
  color: var(--foreground);
  line-height: 1.25;
  text-wrap: balance;
}

h1 {
  margin: 0;
  font-size: clamp(2rem, 7vw, 3rem);
  letter-spacing: -0.03em;
}

.subtitle {
  margin: 12px 0 0;
  color: var(--muted);
  font-size: 1.125rem;
}

.updated {
  margin: 8px 0 0;
  color: var(--muted);
  font-size: 0.9375rem;
}

section {
  padding-top: 32px;
}

h2 {
  margin: 0 0 12px;
  color: var(--primary);
  font-size: clamp(1.25rem, 4vw, 1.5rem);
}

p {
  margin: 0 0 16px;
}

ul {
  margin: 0 0 16px;
  padding-left: 1.5rem;
}

li {
  margin-bottom: 8px;
  padding-left: 4px;
}

p,
li {
  overflow-wrap: anywhere;
}

@media (max-width: 520px) {
  main {
    width: 100%;
    padding: 0;
  }

  article {
    min-height: 100dvh;
    border: 0;
    border-radius: 0;
    box-shadow: none;
  }
}

@media print {
  html,
  body {
    background: #ffffff;
  }

  main {
    width: 100%;
    padding: 0;
  }

  article {
    padding: 0;
    border: 0;
    box-shadow: none;
  }
}