:root {
  color-scheme: light dark;
  --paper: #eef3f7;
  --paper-raised: #f8fafc;
  --ink: #102b3c;
  --ink-soft: #486172;
  --line: #b9c8d3;
  --line-strong: #829aa9;
  --blue: #1156a3;
  --blue-deep: #073d78;
  --on-blue: #ffffff;
  --yellow: #ffd84a;
  --yellow-ink: #3c3100;
  --selection: #d6e7fa;
  --header-height: 72px;
  --sans: -apple-system, BlinkMacSystemFont, "Segoe UI", "Noto Sans", Arial, sans-serif;
  --serif: Charter, "Bitstream Charter", "Iowan Old Style", "Palatino Linotype", Georgia, serif;
  --ease: cubic-bezier(.16, 1, .3, 1);
}

:root[data-theme="dark"] {
  --paper: #0d1922;
  --paper-raised: #13232f;
  --ink: #e8f0f5;
  --ink-soft: #aac0cf;
  --line: #324a5a;
  --line-strong: #577080;
  --blue: #87bfff;
  --blue-deep: #b8d8ff;
  --on-blue: #071d31;
  --yellow: #f2cd3e;
  --yellow-ink: #2b2400;
  --selection: #21496c;
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --paper: #0d1922;
    --paper-raised: #13232f;
    --ink: #e8f0f5;
    --ink-soft: #aac0cf;
    --line: #324a5a;
    --line-strong: #577080;
    --blue: #87bfff;
    --blue-deep: #b8d8ff;
    --on-blue: #071d31;
    --yellow: #f2cd3e;
    --yellow-ink: #2b2400;
    --selection: #21496c;
  }
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: calc(var(--header-height) + 24px); }
body {
  margin: 0;
  min-width: 320px;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 17px;
  line-height: 1.65;
  text-rendering: optimizeLegibility;
}

::selection { background: var(--selection); }
a { color: var(--blue); text-underline-offset: .18em; text-decoration-thickness: .08em; }
a:hover { color: var(--blue-deep); }
a:focus-visible, button:focus-visible, summary:focus-visible {
  outline: 3px solid var(--yellow);
  outline-offset: 4px;
}

.skip-link {
  position: fixed;
  z-index: 1000;
  top: 12px;
  left: 12px;
  transform: translateY(-180%);
  padding: 10px 14px;
  background: var(--ink);
  color: var(--paper);
  font-weight: 700;
}
.skip-link:focus { transform: translateY(0); }

.reading-progress {
  position: fixed;
  z-index: 110;
  inset: 0 0 auto;
  height: 3px;
  background: transparent;
}
.reading-progress span {
  display: block;
  width: 100%;
  height: 100%;
  transform: scaleX(0);
  transform-origin: left;
  background: var(--yellow);
}

.site-header {
  position: sticky;
  z-index: 100;
  top: 0;
  border-bottom: 1px solid var(--line);
  background: color-mix(in srgb, var(--paper) 94%, transparent);
  backdrop-filter: blur(12px);
}
.header-inner {
  display: flex;
  width: min(100% - 40px, 1360px);
  min-height: var(--header-height);
  margin-inline: auto;
  align-items: center;
  gap: 28px;
}
.brand {
  display: inline-flex;
  flex: 0 0 auto;
  min-height: 48px;
  align-items: center;
  gap: 11px;
  color: var(--ink);
  text-decoration: none;
}
.brand-mark {
  display: grid;
  width: 38px;
  height: 38px;
  place-items: center;
  background: var(--blue);
  color: var(--paper-raised);
  font: 800 22px/1 var(--sans);
}
.brand > span:last-child { display: grid; line-height: 1.12; }
.brand strong { font-size: 17px; }
.brand small { margin-top: 4px; color: var(--ink-soft); font-size: 11px; letter-spacing: .01em; }

.desktop-nav { margin-left: auto; }
.desktop-nav ul, .nav-menu ul {
  display: flex;
  margin: 0;
  padding: 0;
  align-items: center;
  gap: 2px;
  list-style: none;
}
.desktop-nav a, .nav-menu a {
  display: inline-flex;
  min-height: 44px;
  padding: 0 12px;
  align-items: center;
  color: var(--ink-soft);
  font-size: 14px;
  font-weight: 650;
  text-decoration: none;
}
.desktop-nav a:hover, .nav-menu a:hover { color: var(--ink); }
.desktop-nav a[aria-current="page"], .nav-menu a[aria-current="page"] {
  box-shadow: inset 0 -3px 0 var(--yellow);
  color: var(--ink);
}
.nav-menu { display: none; margin-left: auto; }
.theme-toggle {
  display: inline-flex;
  min-width: 44px;
  min-height: 44px;
  padding: 0 10px;
  align-items: center;
  justify-content: center;
  gap: 6px;
  border: 0;
  background: transparent;
  color: var(--ink-soft);
  cursor: pointer;
  font: 650 13px/1 var(--sans);
}
.theme-toggle:hover { color: var(--ink); }

.page-shell {
  width: min(100% - 40px, 1240px);
  min-height: calc(100vh - 260px);
  margin-inline: auto;
  padding: clamp(44px, 7vw, 96px) 0 80px;
}
.breadcrumbs {
  display: flex;
  max-width: 74ch;
  margin: 0 auto 30px;
  align-items: baseline;
  gap: 9px;
  overflow-wrap: anywhere;
  color: var(--ink-soft);
  font-size: 13px;
}
.reading-layout { max-width: 74ch; margin-inline: auto; }
.reading-layout.has-toc {
  display: grid;
  max-width: none;
  grid-template-columns: minmax(0, 74ch) minmax(190px, 250px);
  justify-content: center;
  gap: clamp(54px, 7vw, 110px);
}

.content {
  min-width: 0;
  font-family: var(--serif);
  font-size: clamp(18px, 1.4vw, 20px);
  line-height: 1.72;
}
.content h1, .content h2, .content h3, .content h4 {
  color: var(--ink);
  font-family: var(--sans);
  line-height: 1.12;
  text-wrap: balance;
}
.content h1 {
  max-width: 15ch;
  margin: 0 0 24px;
  font-size: clamp(46px, 7vw, 82px);
  font-weight: 760;
  letter-spacing: -.035em;
}
.content h2 {
  margin: 3.6em 0 .8em;
  font-size: clamp(28px, 3vw, 39px);
  font-weight: 740;
  letter-spacing: -.025em;
}
.content h3 { margin: 2.6em 0 .65em; font-size: 23px; font-weight: 720; letter-spacing: -.015em; }
.content h4 { margin: 2.2em 0 .6em; font-size: 19px; }
.content p { margin: 0 0 1.2em; }
.content ul, .content ol { margin: 0 0 1.45em; padding-left: 1.35em; }
.content li { margin: .42em 0; padding-left: .2em; }
.content li::marker { color: var(--blue); font-family: var(--sans); font-weight: 700; }
.content strong { font-weight: 750; }
.content blockquote {
  margin: 2.2em 0;
  padding: 1.2em 0 1.2em 1.5em;
  border-left: 1px solid var(--line-strong);
  color: var(--ink-soft);
  font-size: 1.08em;
}
.content hr { margin: 3em 0; border: 0; border-top: 1px solid var(--line); }
.content table {
  display: block;
  width: 100%;
  margin: 2em 0;
  overflow-x: auto;
  border-collapse: collapse;
  font-family: var(--sans);
  font-size: 15px;
  line-height: 1.5;
}
.content th, .content td { min-width: 150px; padding: 12px 14px; border-bottom: 1px solid var(--line); text-align: left; vertical-align: top; }
.content th { color: var(--ink); font-weight: 720; }
.content code { padding: .08em .3em; background: var(--paper-raised); font-size: .88em; }
.content pre { max-width: 100%; overflow: auto; padding: 18px; background: var(--paper-raised); }

.page-toc {
  position: sticky;
  top: calc(var(--header-height) + 30px);
  max-height: calc(100vh - var(--header-height) - 60px);
  align-self: start;
  overflow: auto;
  color: var(--ink-soft);
  font-size: 13px;
  line-height: 1.35;
}
.page-toc > p { margin: 0 0 14px; color: var(--ink); font-weight: 750; }
.page-toc ol { margin: 0; padding: 0; list-style: none; }
.page-toc li { margin: 0; }
.page-toc .toc-level-3 { padding-left: 13px; }
.page-toc a { display: block; padding: 6px 0; color: var(--ink-soft); text-decoration: none; }
.page-toc a:hover { color: var(--ink); }

.home-hero {
  display: grid;
  min-height: min(700px, calc(100vh - var(--header-height) - 70px));
  grid-template-columns: minmax(0, 1fr) minmax(380px, .9fr);
  align-items: center;
  gap: clamp(52px, 8vw, 120px);
}
.home-hero-copy > p:first-of-type {
  margin-bottom: 30px;
  color: var(--blue);
  font-family: var(--sans);
  font-size: clamp(19px, 2vw, 25px);
  font-weight: 700;
}
.home-hero-copy > p:nth-of-type(2) { max-width: 52ch; font-size: clamp(20px, 1.8vw, 25px); }
.home-hero-copy > p:last-child { margin-top: 36px; font-family: var(--sans); font-size: 15px; font-weight: 720; }
.home-hero-copy > p:last-child a:first-child {
  display: inline-flex;
  min-height: 48px;
  margin: 0 12px 10px 0;
  padding: 0 18px;
  align-items: center;
  background: var(--blue);
  color: var(--on-blue);
  text-decoration: none;
}
.practice-rail {
  position: relative;
  display: grid;
  min-height: 390px;
  padding: 28px 0;
  grid-template-rows: repeat(5, 1fr);
  align-items: center;
  font: 700 clamp(17px, 2vw, 22px)/1 var(--sans);
}
.practice-rail::before {
  position: absolute;
  inset: 11% auto 11% 18px;
  width: 1px;
  background: var(--line-strong);
  content: "";
}
.practice-rail span, .practice-rail strong {
  position: relative;
  display: flex;
  min-height: 54px;
  padding-left: 64px;
  align-items: center;
}
.practice-rail span::before, .practice-rail strong::before {
  position: absolute;
  left: 10px;
  width: 17px;
  height: 17px;
  border: 1px solid var(--line-strong);
  background: var(--paper);
  content: "";
}
.practice-rail strong {
  color: var(--yellow-ink);
  font-weight: 800;
}
.practice-rail strong::after {
  position: absolute;
  z-index: -1;
  inset: 3px 0 3px 44px;
  background: var(--yellow);
  content: "";
}
.practice-rail strong::before { border-color: var(--yellow-ink); background: var(--yellow); }

.content[data-reading-mode="catalog"] > ol:first-of-type {
  display: grid;
  padding: 0;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  border-top: 1px solid var(--line);
  list-style-position: inside;
}
.content[data-reading-mode="catalog"] > ol:first-of-type > li { min-height: 150px; margin: 0; padding: 22px 24px 22px 4px; border-bottom: 1px solid var(--line); }
.content[data-reading-mode="catalog"] > ol:first-of-type > li:nth-child(odd) { margin-right: 28px; }

.content[data-reading-mode="poem"] { max-width: 38em; font-size: clamp(20px, 2vw, 24px); line-height: 1.9; }
.content[data-reading-mode="poem"] > p:not(:nth-of-type(-n+2)) { white-space: pre-line; }
.content[data-reading-mode="poetry-collection"] { max-width: 48em; font-size: clamp(19px, 1.8vw, 22px); line-height: 1.82; }
.content[data-reading-mode="poetry-collection"] p { white-space: pre-line; }
.content[data-reading-mode="prose"] { max-width: 72ch; }
.content[data-reading-mode="drama"] { max-width: 68ch; }
.content[data-reading-mode="drama"] p { margin-bottom: 1.45em; }

.adjacent {
  display: grid;
  max-width: 990px;
  margin: 90px auto 0;
  padding-top: 24px;
  grid-template-columns: 1fr 1fr;
  gap: 30px;
  border-top: 1px solid var(--line);
}
.adjacent a { display: grid; min-height: 60px; color: var(--ink); text-decoration: none; }
.adjacent .next { text-align: right; }
.adjacent small { color: var(--ink-soft); font-size: 12px; font-weight: 700; }
.adjacent span { font-weight: 720; }

.site-footer {
  display: flex;
  width: min(100% - 40px, 1240px);
  margin-inline: auto;
  padding: 38px 0 50px;
  justify-content: space-between;
  gap: 40px;
  border-top: 1px solid var(--line);
  color: var(--ink-soft);
  font-size: 13px;
}
.site-footer strong { color: var(--ink); font-size: 17px; }
.site-footer p { max-width: 64ch; margin: 6px 0 0; }
.site-footer nav { display: flex; flex-wrap: wrap; align-items: flex-start; gap: 18px; }

@media (max-width: 1040px) {
  .desktop-nav { display: none; }
  .nav-menu { display: block; position: relative; }
  .nav-menu summary {
    display: flex;
    min-height: 44px;
    padding: 0 10px;
    align-items: center;
    cursor: pointer;
    font-size: 14px;
    font-weight: 700;
    list-style: none;
  }
  .nav-menu summary::-webkit-details-marker { display: none; }
  .nav-menu[open] nav {
    position: absolute;
    top: 52px;
    right: 0;
    width: min(88vw, 330px);
    padding: 10px;
    border: 1px solid var(--line);
    background: var(--paper-raised);
    box-shadow: 0 16px 36px rgba(8, 27, 40, .18);
  }
  .nav-menu ul { align-items: stretch; flex-direction: column; }
  .nav-menu a { width: 100%; }
  .nav-menu a[aria-current="page"] { box-shadow: inset 3px 0 0 var(--yellow); }
  .reading-layout.has-toc { grid-template-columns: minmax(0, 74ch); }
  .page-toc { position: static; grid-row: 1; max-height: none; padding: 18px 20px; border: 1px solid var(--line); }
  .page-toc ol { columns: 2; column-gap: 28px; }
  .home-hero { grid-template-columns: minmax(0, 1fr) minmax(300px, .75fr); gap: 42px; }
}

@media (max-width: 760px) {
  :root { --header-height: 64px; }
  body { font-size: 16px; }
  .header-inner, .page-shell, .site-footer { width: min(100% - 28px, 1240px); }
  .brand small { display: none; }
  .brand-mark { width: 34px; height: 34px; font-size: 20px; }
  .theme-toggle span { display: none; }
  .page-shell { padding-top: 38px; }
  .content { font-size: 18px; line-height: 1.68; }
  .content h1 { font-size: clamp(42px, 14vw, 62px); }
  .content h2 { margin-top: 3em; font-size: 30px; }
  .home-hero { min-height: auto; grid-template-columns: 1fr; gap: 22px; }
  .practice-rail { min-height: 310px; margin: 18px 0 44px; }
  .page-toc ol { columns: 1; }
  .content table { width: calc(100vw - 28px); margin-left: 0; }
  .content[data-reading-mode="catalog"] > ol:first-of-type { grid-template-columns: 1fr; }
  .content[data-reading-mode="catalog"] > ol:first-of-type > li:nth-child(odd) { margin-right: 0; }
  .adjacent { grid-template-columns: 1fr; gap: 20px; }
  .adjacent .next { text-align: left; }
  .site-footer { flex-direction: column; }
}

@media (max-width: 410px) {
  .header-inner { gap: 4px; }
  .brand { margin-right: auto; }
  .nav-menu { margin-left: 0; }
  .nav-menu summary { padding-inline: 7px; }
  .content h1 { font-size: 40px; }
  .home-hero-copy > p:last-child a { display: flex; width: 100%; margin-right: 0; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; }
}

@media print {
  .site-header, .reading-progress, .page-toc, .adjacent, .site-footer { display: none; }
  .page-shell { width: auto; padding: 0; }
  .reading-layout.has-toc { display: block; }
  .content { max-width: none; color: #000; font-size: 11pt; }
  .content a { color: inherit; }
}