:root {
  --paper: #f4efe6;
  --paper-deep: #ebe4d6;
  --ink: #2a241c;
  --ink-soft: #5c5348;
  --rule: #d4cbb8;
  --accent: #6b5840;
  --focus: #3d3428;
  --max: 40rem;
}

* { box-sizing: border-box; margin: 0; padding: 0; }

html {
  scroll-behavior: smooth;
}

body {
  background: var(--paper);
  color: var(--ink);
  font-family: "Source Sans 3", "Segoe UI", sans-serif;
  font-size: 1.0625rem;
  line-height: 1.65;
  font-optical-sizing: auto;
  -webkit-font-smoothing: antialiased;
}

a {
  color: var(--accent);
  text-underline-offset: 0.18em;
}

a:hover { color: var(--ink); }

a:focus-visible {
  outline: 2px solid var(--focus);
  outline-offset: 3px;
}

.wrap {
  width: min(100% - 2.5rem, 42rem);
  margin-inline: auto;
}

header {
  padding: 2.25rem 0 0;
}

.mark {
  display: inline-block;
  font-family: Newsreader, Georgia, serif;
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--ink-soft);
  text-decoration: none;
}

.mark:hover { color: var(--ink); }

nav {
  margin-top: 1.75rem;
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem 1.5rem;
  font-size: 0.92rem;
  letter-spacing: 0.04em;
}

nav a {
  color: var(--ink-soft);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  padding-bottom: 0.1rem;
}

nav a:hover {
  color: var(--ink);
  border-bottom-color: var(--rule);
}

nav a[aria-current="page"] {
  color: var(--ink);
  border-bottom-color: var(--ink);
}

.hero {
  padding: 4.5rem 0 3.5rem;
}

.page .hero {
  padding: 3.5rem 0 2.75rem;
}

.eyebrow {
  font-size: 0.75rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--ink-soft);
  font-weight: 500;
  margin-bottom: 1.25rem;
}

h1 {
  font-family: Newsreader, Georgia, serif;
  font-size: clamp(2.15rem, 6vw, 3.15rem);
  font-weight: 500;
  line-height: 1.15;
  letter-spacing: -0.02em;
  font-optical-sizing: auto;
}

.page h1 {
  font-size: clamp(1.85rem, 5vw, 2.55rem);
}

.lede {
  margin-top: 1.5rem;
  font-family: Newsreader, Georgia, serif;
  font-size: 1.2rem;
  font-weight: 400;
  line-height: 1.55;
  color: var(--ink-soft);
  max-width: 34rem;
}

hr.rule {
  border: 0;
  height: 1px;
  background: var(--rule);
  margin: 0 auto;
  width: min(100% - 2.5rem, 42rem);
}

section {
  padding: 3.25rem 0;
}

h2 {
  font-family: Newsreader, Georgia, serif;
  font-size: 1.65rem;
  font-weight: 500;
  letter-spacing: -0.015em;
  margin-bottom: 1rem;
}

p + p { margin-top: 1rem; }

.meta,
.pages {
  list-style: none;
  margin-top: 1.5rem;
  border-top: 1px solid var(--rule);
}

.meta li,
.pages li {
  border-bottom: 1px solid var(--rule);
}

.meta li {
  display: grid;
  grid-template-columns: 8.75rem 1fr;
  gap: 1rem;
  padding: 0.85rem 0;
  font-size: 0.98rem;
}

.pages a {
  display: grid;
  grid-template-columns: 8.75rem 1fr;
  gap: 1rem;
  padding: 0.95rem 0;
  text-decoration: none;
  color: inherit;
}

.pages a:hover .t {
  color: var(--accent);
}

.meta .k,
.pages .k {
  color: var(--ink-soft);
  font-size: 0.82rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  font-weight: 500;
  padding-top: 0.2rem;
}

.pages .t {
  color: var(--ink);
}

.study-list {
  list-style: none;
  border-top: 1px solid var(--rule);
}

.study-list li {
  padding: 1.5rem 0;
  border-bottom: 1px solid var(--rule);
  font-family: Newsreader, Georgia, serif;
  font-size: 1.15rem;
  color: var(--ink-soft);
}

footer {
  padding: 2.5rem 0 3.5rem;
  color: var(--ink-soft);
  font-size: 0.88rem;
}

footer p + p { margin-top: 0.4rem; }

@media (max-width: 520px) {
  .meta li,
  .pages a {
    grid-template-columns: 1fr;
    gap: 0.2rem;
  }
  .hero { padding-top: 3.25rem; }
  .page .hero { padding-top: 2.75rem; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
}