:root {
  --paper: #f4efe6;
  --sheet: #fbf7f0;
  --ink: #241f18;
  --mute: #6d6559;
  --rule: #e3d8c6;
  --clay: #b24a28;
  --clay-deep: #8c3518;
  --sage: #4f6b58;
  --font-sans: "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  --font-serif: "Source Han Serif SC", "Noto Serif SC", "Songti SC", "SimSun", Georgia, serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; color-scheme: light; }
body {
  margin: 0;
  font-family: var(--font-sans);
  background: var(--paper);
  color: var(--ink);
  line-height: 1.85;
  min-height: 100vh;
}
a { color: var(--clay-deep); }
a:hover { color: var(--clay); }
img { max-width: 100%; height: auto; display: block; }

.cover-art {
  margin: 36px 0 8px;
}
.cover-art img,
.frame img,
.letter-art img,
.hero-art img {
  width: 100%;
  border-radius: 2px;
  object-fit: cover;
  background: var(--sheet);
}
.cover-art img { max-height: 420px; }
.hero-art {
  margin: 32px 0 8px;
  max-width: 720px;
}
.hero-art img { max-height: 340px; }
.frame {
  margin: 28px 0 36px;
}
.frame figcaption,
.cover-art figcaption,
.hero-art figcaption {
  margin-top: 10px;
  font-size: 13px;
  color: var(--mute);
  letter-spacing: 0.04em;
}
.letter-art {
  margin: 16px 0 0;
}
.letter-art img {
  width: 160px;
  height: 120px;
  object-fit: cover;
}
.note-art {
  margin: 0 0 28px;
}
.note-art img {
  width: 100%;
  height: 160px;
  object-fit: cover;
  border-radius: 2px;
}
.skip { position: absolute; left: -999px; }
.skip:focus { left: 16px; top: 12px; background: #fff; padding: 8px 12px; z-index: 80; }

.shell {
  width: min(1120px, calc(100% - 48px));
  margin: 0 auto;
}
.shell-narrow {
  width: min(760px, calc(100% - 48px));
  margin: 0 auto;
}

.mast {
  padding: 28px 0 0;
  background: var(--paper);
}
.mast-top {
  display: flex;
  justify-content: space-between;
  gap: 16px 24px;
  align-items: baseline;
  padding-bottom: 22px;
  border-bottom: 1px solid var(--ink);
}
.wordmark {
  font-family: var(--font-serif);
  font-size: 28px;
  font-weight: 700;
  letter-spacing: 0.12em;
  color: var(--ink);
  text-decoration: none;
}
.mast-tag {
  margin: 0;
  color: var(--mute);
  font-size: 14px;
  flex: 1;
}
.menu-toggle {
  display: none;
  border: 0;
  background: transparent;
  font: inherit;
  cursor: pointer;
  padding: 0;
  border-bottom: 1px solid var(--ink);
  margin-left: auto;
}
.rail {
  padding: 14px 0 18px;
}
.rail-inner {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 22px;
}
.rail a {
  color: var(--mute);
  text-decoration: none;
  font-size: 14px;
}
.rail a:hover,
.rail a.is-active {
  color: var(--ink);
  text-decoration: underline;
  text-underline-offset: 4px;
}

.cover {
  padding: 72px 0 40px;
}
.cover-kicker {
  margin: 0 0 28px;
  color: var(--mute);
  letter-spacing: 0.18em;
  font-size: 12px;
  text-transform: uppercase;
}
.cover h1 {
  font-family: var(--font-serif);
  font-size: clamp(36px, 6vw, 64px);
  font-weight: 600;
  line-height: 1.22;
  letter-spacing: -0.02em;
  margin: 0 0 28px;
  max-width: 16ch;
}
.dek {
  font-size: 20px;
  color: var(--mute);
  max-width: 38em;
  margin: 0;
}

.spread {
  display: grid;
  grid-template-columns: minmax(0, 1.7fr) minmax(240px, 0.7fr);
  gap: 72px;
  padding: 24px 0 96px;
  align-items: start;
}
.essay {
  font-size: 17px;
}
.essay h2 {
  font-family: var(--font-serif);
  font-size: 28px;
  font-weight: 600;
  margin: 56px 0 18px;
  line-height: 1.35;
}
.essay h2:first-child { margin-top: 0; }
.essay p { margin: 0 0 22px; }
.essay p:last-child { margin-bottom: 0; }
.pull {
  font-family: var(--font-serif);
  font-size: 26px;
  line-height: 1.45;
  margin: 40px 0;
  padding: 8px 0 8px 22px;
  border-left: 2px solid var(--clay);
  color: var(--ink);
}
.essay ul {
  padding-left: 1.2em;
  margin: 0 0 28px;
}
.essay li { margin: 8px 0; }

.margin {
  position: sticky;
  top: 28px;
  padding-top: 4px;
}
.note {
  margin: 0 0 36px;
  padding: 0 0 24px;
  border-bottom: 1px solid var(--rule);
  color: var(--mute);
  font-size: 14px;
  line-height: 1.7;
}
.note:last-child { border-bottom: 0; }
.note b {
  display: block;
  color: var(--ink);
  font-size: 12px;
  letter-spacing: 0.12em;
  margin-bottom: 8px;
  font-weight: 700;
}
.note a { display: inline; }

.letters {
  padding: 8px 0 80px;
}
.letter {
  display: grid;
  grid-template-columns: 180px minmax(0, 1fr);
  gap: 40px;
  padding: 48px 0;
  border-top: 1px solid var(--rule);
}
.letter:last-child { border-bottom: 1px solid var(--rule); }
.letter-meta {
  color: var(--mute);
  font-size: 13px;
  letter-spacing: 0.08em;
}
.letter h2 {
  font-family: var(--font-serif);
  font-size: 30px;
  margin: 0 0 16px;
  font-weight: 600;
}
.letter p { margin: 0 0 16px; max-width: 58ch; }
.letter p:last-of-type { margin-bottom: 0; }
.more {
  display: inline-block;
  margin-top: 18px;
  font-weight: 700;
  text-decoration: none;
  border-bottom: 1px solid currentColor;
}

.page-open {
  padding: 64px 0 12px;
}
.crumb {
  color: var(--mute);
  font-size: 13px;
  margin-bottom: 28px;
}
.crumb a { color: var(--mute); text-decoration: none; }
.page-open h1 {
  font-family: var(--font-serif);
  font-size: clamp(32px, 5vw, 52px);
  line-height: 1.25;
  font-weight: 600;
  margin: 0 0 20px;
  max-width: 16ch;
}
.byline {
  color: var(--mute);
  font-size: 14px;
  margin: 0 0 8px;
}

.qa {
  padding: 24px 0 80px;
}
.qa article {
  padding: 40px 0;
  border-top: 1px solid var(--rule);
}
.qa article:last-child { border-bottom: 1px solid var(--rule); }
.qa h2 {
  font-family: var(--font-serif);
  font-size: 24px;
  font-weight: 600;
  margin: 0 0 14px;
  line-height: 1.4;
}
.qa p { margin: 0; color: var(--ink); }

.code {
  background: #2a241c;
  color: #f4efe6;
  border-radius: 2px;
  padding: 28px 26px;
  overflow: auto;
  font-size: 13px;
  line-height: 1.65;
  margin: 8px 0 32px;
}

.closing {
  padding: 0 0 96px;
}
.closing p {
  font-family: var(--font-serif);
  font-size: 22px;
  line-height: 1.5;
  margin: 0 0 20px;
  max-width: 22em;
}
.closing a {
  font-family: var(--font-sans);
  font-size: 15px;
  font-weight: 700;
}

.colophon {
  border-top: 1px solid var(--ink);
  padding: 28px 0 48px;
  color: var(--mute);
  font-size: 13px;
}
.colophon .shell {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
}
.colophon p { margin: 0; }
.colophon a { color: var(--mute); }

@media (max-width: 900px) {
  .shell, .shell-narrow { width: min(1120px, calc(100% - 32px)); }
  .mast-tag { display: none; }
  .menu-toggle { display: inline; }
  .rail {
    display: none;
    padding: 8px 0 20px;
  }
  .rail.is-open { display: block; }
  .rail-inner { flex-direction: column; gap: 12px; }
  .spread { grid-template-columns: 1fr; gap: 40px; padding-bottom: 64px; }
  .margin { position: static; }
  .letter { grid-template-columns: 1fr; gap: 12px; padding: 36px 0; }
  .letter-art img { width: 100%; height: 180px; }
  .cover-art img { max-height: 240px; }
  .hero-art img { max-height: 220px; }
  .cover { padding: 48px 0 24px; }
  .cover h1, .page-open h1 { max-width: none; }
  .pull { font-size: 22px; }
}