:root {
  --text: #222;
  --muted: #666;
  --rule: #dedede;
  --link: #1d4f91;
  --paper-bg: #fafafa;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: #fff;
  color: var(--text);
  font-family: Georgia, "Times New Roman", serif;
  font-size: 17px;
  line-height: 1.62;
}

.page {
  width: min(820px, calc(100% - 40px));
  margin: 0 auto;
  padding: 70px 0 45px;
}

.hero { margin-bottom: 52px; }

h1, h2, h3 { line-height: 1.25; }
h1 {
  margin: 0 0 8px;
  font-size: clamp(2.3rem, 7vw, 3.4rem);
  font-weight: 600;
  letter-spacing: -0.02em;
}

h2 {
  margin: 0 0 22px;
  padding-bottom: 7px;
  border-bottom: 1px solid var(--rule);
  font-size: 1.45rem;
  font-weight: 600;
}

h3 {
  margin: 0 0 6px;
  font-size: 1.08rem;
  font-weight: 600;
}

p { margin: 0 0 14px; }

.role {
  margin: 0 0 12px;
  color: var(--muted);
  font-size: 1.06rem;
}
.links, .paper-links {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: 0.92rem;
}

.links span { color: #aaa; padding: 0 3px; }

a {
  color: var(--link);
  text-decoration: none;
}

a:hover { text-decoration: underline; }

section { margin: 0 0 48px; }

.note {
  color: var(--muted);
  font-size: 0.95rem;
}

.paper {
  margin: 0 0 19px;
  padding: 17px 19px 16px;
  border: 1px solid #e5e5e5;
  border-radius: 5px;
  background: var(--paper-bg);
}
.paper p:last-child { margin-bottom: 0; }

.meta {
  color: var(--muted);
  font-size: 0.94rem;
}

.paper-links { margin-top: 9px; }

footer {
  margin-top: 70px;
  padding-top: 18px;
  border-top: 1px solid var(--rule);
  color: var(--muted);
  font-size: 0.88rem;
}

@media (max-width: 560px) {
  body { font-size: 16px; }
  .page { width: min(100% - 28px, 820px); padding-top: 42px; }
  .hero { margin-bottom: 40px; }
  section { margin-bottom: 40px; }
  .paper { padding: 15px 15px 14px; }
  .links span { display: none; }
  .links a { display: inline-block; margin: 0 12px 6px 0; }
}