:root {
  color-scheme: light;
  --background: #f7f8fb;
  --surface: #ffffff;
  --text: #182033;
  --muted: #536071;
  --accent: #176b7a;
  --border: #dbe2ea;
  --shadow: 0 16px 40px rgba(21, 33, 48, 0.08);
}

* {
  box-sizing: border-box;
}

html {
  background: var(--background);
}

body {
  margin: 0;
  color: var(--text);
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: 16px;
  line-height: 1.8;
}

a {
  color: var(--accent);
}

.page {
  width: min(100%, 880px);
  margin: 0 auto;
  padding: 48px 24px 64px;
}

.header,
section {
  background: var(--surface);
  border: 1px solid var(--border);
  box-shadow: var(--shadow);
}

.header {
  padding: 40px;
  border-radius: 8px 8px 0 0;
}

section {
  padding: 32px 40px;
  border-top: 0;
}

section:last-child {
  border-radius: 0 0 8px 8px;
}

.app-name {
  margin: 0 0 8px;
  color: var(--accent);
  font-size: 0.95rem;
  font-weight: 700;
}

h1,
h2,
p {
  margin-top: 0;
}

h1 {
  margin-bottom: 18px;
  font-size: clamp(2rem, 7vw, 3rem);
  line-height: 1.18;
  letter-spacing: 0;
}

h2 {
  margin-bottom: 12px;
  font-size: 1.25rem;
  line-height: 1.4;
  letter-spacing: 0;
}

p {
  margin-bottom: 14px;
}

ul {
  margin: 0 0 18px;
  padding-left: 1.35rem;
}

ol {
  margin: 0 0 18px;
  padding-left: 1.35rem;
}

li {
  margin-bottom: 6px;
}

.request-steps {
  border-left: 4px solid var(--accent);
}

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

.summary {
  color: var(--muted);
  font-size: 1.02rem;
}

.updated {
  display: inline-block;
  margin: 10px 0 0;
  padding-top: 12px;
  border-top: 1px solid var(--border);
  color: var(--muted);
  font-size: 0.95rem;
}

address {
  color: var(--muted);
  font-style: normal;
}

@media (max-width: 640px) {
  body {
    font-size: 15px;
    line-height: 1.75;
  }

  .page {
    padding: 20px 14px 40px;
  }

  .header,
  section {
    padding: 24px 20px;
  }
}