:root {
  --color-bg: #f6f3ee;
  --color-surface: #ffffff;
  --color-text: #1c1917;
  --color-muted: #57534e;
  --color-accent: #c2410c;
  --color-accent-hover: #9a3412;
  --color-accent-soft: rgba(194, 65, 12, 0.14);
  --color-border: #e7e5e4;
  --font-sans: ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --radius: 14px;
  --radius-sm: 10px;
  --shadow: 0 1px 2px rgba(28, 25, 23, 0.04), 0 8px 32px rgba(28, 25, 23, 0.08);
  --max-width: 42rem;
  --space-page: clamp(1rem, 4vw, 2rem);
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

body {
  margin: 0;
  padding: 0 var(--space-page) 2.5rem;
  min-height: 100vh;
  background-color: var(--color-bg);
  background-image: radial-gradient(ellipse 120% 80% at 50% -20%, rgba(194, 65, 12, 0.08), transparent 55%);
  color: var(--color-text);
  font-family: var(--font-sans);
  font-size: 1.0625rem;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

body * {
  font-family: inherit;
}

.header {
  max-width: var(--max-width);
  margin: var(--space-page) auto 2rem;
  padding: clamp(1.5rem, 4vw, 2.25rem);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  text-align: center;
}

h1 {
  margin: 0 0 0.5rem;
  padding-bottom: 0.65rem;
  font-size: clamp(1.65rem, 4.5vw, 2.15rem);
  font-weight: 700;
  letter-spacing: -0.03em;
  line-height: 1.2;
  color: var(--color-text);
  border-bottom: 3px solid var(--color-accent-soft);
}

.subtitle {
  margin: 0;
  font-size: 1rem;
  font-weight: 500;
  color: var(--color-muted);
  font-style: normal;
  letter-spacing: 0.01em;
}

h2 {
  margin: 2.25rem auto 0.85rem;
  max-width: var(--max-width);
  padding-bottom: 0.4rem;
  font-size: 1.125rem;
  font-weight: 650;
  letter-spacing: -0.02em;
  color: var(--color-text);
  border-bottom: 2px solid var(--color-accent);
  width: fit-content;
  max-width: min(100%, var(--max-width));
}

body > h2:first-of-type {
  margin-top: 0;
}

ul {
  max-width: var(--max-width);
  margin: 0 auto 1.5rem;
  padding: 1rem 1.25rem 1rem 2.25rem;
  list-style-type: disc;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  box-shadow: 0 1px 2px rgba(28, 25, 23, 0.03);
}

li {
  margin-bottom: 0.4rem;
  color: var(--color-text);
}

li:last-child {
  margin-bottom: 0;
}