:root {
  --bg: #f6f3ee;
  --surface: #fffdf9;
  --ink: #1c1a17;
  --muted: #625a52;
  --line: #dfd6cb;
  --accent: #8f3d17;
  --note: #f5ede3;
  --max: 760px;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: "Source Serif 4", Georgia, serif;
  line-height: 1.78;
}

a {
  color: var(--accent);
  text-decoration-thickness: 1px;
  text-underline-offset: 0.14em;
}

img,
svg {
  max-width: 100%;
  display: block;
}

code {
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 0.94em;
  background: #f1e8dc;
  padding: 0.08em 0.34em;
  border-radius: 4px;
}

.page {
  width: min(calc(100% - 32px), 980px);
  margin: 0 auto;
  padding: 28px 0 64px;
}

.topbar,
.eyebrow,
.meta,
.nav-links,
.related,
.footer {
  font-family: "Instrument Sans", sans-serif;
}

.topbar {
  font-size: 0.92rem;
  color: var(--muted);
  margin-bottom: 24px;
}

.topbar a {
  color: inherit;
  text-decoration: none;
}

.article {
  background: var(--surface);
  border: 1px solid var(--line);
  padding: clamp(24px, 5vw, 56px);
}

.article-body {
  width: min(100%, var(--max));
  margin: 0 auto;
}

.eyebrow {
  margin: 0 0 14px;
  font-size: 0.78rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted);
  font-weight: 700;
}

h1, h2, h3 {
  font-family: "Instrument Sans", sans-serif;
  line-height: 1.12;
  color: var(--ink);
}

h1 {
  margin: 0;
  font-size: clamp(2.3rem, 6vw, 4rem);
  letter-spacing: -0.04em;
}

h2 {
  margin: 44px 0 12px;
  font-size: clamp(1.5rem, 3vw, 2rem);
  letter-spacing: -0.03em;
}

h3 {
  margin: 28px 0 8px;
  font-size: 1.06rem;
}

p {
  margin: 0 0 18px;
  font-size: 1.08rem;
  color: #302c28;
}

.lead {
  margin-top: 18px;
  font-size: 1.2rem;
  color: #2e2823;
}

.meta {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 14px;
  margin: 18px 0 28px;
  font-size: 0.9rem;
  color: var(--muted);
}

.meta span:not(:last-child)::after {
  content: "•";
  margin-left: 14px;
}

.nav-links {
  display: flex;
  flex-wrap: wrap;
  gap: 12px 18px;
  margin: 0 0 28px;
  font-size: 0.95rem;
  color: var(--muted);
}

.nav-links a {
  color: inherit;
  text-decoration: none;
  border-bottom: 1px solid transparent;
}

.nav-links a:hover { border-color: var(--line); }

.note,
.faq,
.next {
  margin: 28px 0;
  padding: 18px 20px;
  background: var(--note);
  border-left: 3px solid var(--accent);
}

.figure {
  margin: 26px 0 32px;
  border: 1px solid var(--line);
  background: #fbf7f1;
}

.figure svg {
  width: 100%;
  height: auto;
}

.figure figcaption {
  padding: 10px 14px 14px;
  font-family: "Instrument Sans", sans-serif;
  font-size: 0.9rem;
  color: var(--muted);
}

.summary-block {
  margin: 26px 0 32px;
  padding: 20px;
  border: 1px solid var(--line);
  background: #fbf7f1;
}

.summary-kicker {
  margin: 0 0 14px;
  font-family: "Instrument Sans", sans-serif;
  font-size: 0.78rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted);
  font-weight: 700;
}

.summary-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
}

.summary-item {
  padding: 14px 14px 12px;
  border: 1px solid var(--line);
  background: var(--surface);
}

.summary-item h3 {
  margin: 0 0 8px;
  font-size: 1rem;
}

.summary-item p {
  margin: 0;
  font-size: 0.98rem;
  line-height: 1.6;
  color: var(--muted);
}

.summary-caption {
  margin: 14px 0 0;
  font-family: "Instrument Sans", sans-serif;
  font-size: 0.9rem;
  color: var(--muted);
}

ul, ol {
  margin: 0 0 18px;
  padding-left: 24px;
}

li {
  margin-bottom: 10px;
  font-size: 1.04rem;
  color: #302c28;
}

.faq h3,
.next h3,
.note h3 {
  margin-top: 0;
}

.related {
  margin-top: 40px;
  padding-top: 22px;
  border-top: 1px solid var(--line);
}

.footer {
  margin-top: 18px;
  font-size: 0.9rem;
  color: var(--muted);
  text-align: center;
}

@media (max-width: 720px) {
  .page {
    width: min(calc(100% - 20px), 980px);
    padding-top: 18px;
  }

  .article {
    padding: 22px 18px 32px;
  }

  .summary-grid {
    grid-template-columns: 1fr;
  }

  p, li { font-size: 1rem; }
  .lead { font-size: 1.1rem; }
}