/* Existing Worlds Within paper, ink and vermilion identity. No remote fonts or scripts. */
:root {
  color-scheme: light;
  --paper: #ece8df;
  --ink: #23211d;
  --muted: #57534b;
  --line: #c7c1b6;
  --accent: #963b2d;
  font-family:
    system-ui,
    -apple-system,
    "PingFang SC",
    "Microsoft JhengHei",
    sans-serif;
  color: var(--ink);
  background: var(--paper);
  font-synthesis: none;
  -webkit-font-smoothing: antialiased;
}
* {
  box-sizing: border-box;
}
body {
  margin: 0;
}
a {
  color: inherit;
  text-underline-offset: 0.24em;
}
a:hover {
  color: var(--accent);
}
a:focus-visible,
summary:focus-visible,
.table-wrap:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 5px;
}
img {
  display: block;
  max-width: 100%;
  height: auto;
}
p {
  line-height: 1.85;
  margin: 0 0 1.2em;
}
h1,
h2,
h3 {
  font-family: "Iowan Old Style", "Songti SC", "Songti TC", Georgia, serif;
  font-weight: 500;
  text-wrap: balance;
}
h1 {
  font-size: clamp(2.35rem, 5vw, 4.6rem);
  line-height: 1.15;
  letter-spacing: -0.025em;
  margin: 0 0 26px;
  white-space: pre-line;
}
h2 {
  font-size: clamp(1.5rem, 3vw, 2.2rem);
  line-height: 1.35;
  margin: 0 0 24px;
}
h3 {
  font-size: 1.3rem;
  line-height: 1.45;
}
.wrap {
  width: min(1120px, calc(100% - 64px));
  margin-inline: auto;
}
.skip {
  position: fixed;
  left: 16px;
  top: -100px;
  padding: 12px;
  background: var(--paper);
  z-index: 10;
}
.skip:focus {
  top: 12px;
}
.header {
  min-height: 88px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  border-bottom: 1px solid var(--line);
}
.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
  flex-shrink: 0;
  font-family: Georgia, "Songti SC", serif;
  font-size: 20px;
}
.brand img {
  width: 38px;
  height: 38px;
  border-radius: 6px;
}
.header nav {
  display: flex;
  gap: 24px;
  align-items: center;
  font-size: 14px;
}
.header nav a {
  text-decoration: none;
  white-space: nowrap;
}
.languages {
  display: flex;
  gap: 16px;
  justify-content: flex-end;
  padding-top: 18px;
  font-size: 13px;
}
.languages a[aria-current="page"] {
  color: var(--accent);
  text-decoration: none;
}
.hero {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  align-items: center;
  gap: 56px;
  min-height: 660px;
  padding: 32px 0 64px;
}
.hero-copy {
  max-width: 570px;
}
.hero .lede {
  font-size: 18px;
  max-width: 28em;
  color: var(--muted);
}
.actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 22px;
  margin-top: 30px;
}
.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 50px;
  padding: 12px 24px;
  background: var(--accent);
  color: #fff;
  text-decoration: none;
  border-radius: 3px;
  font-size: 15px;
  white-space: nowrap;
}
.button:hover {
  color: #fff;
  background: #7d3024;
}
.text-link {
  font-size: 15px;
}
.hero-media {
  margin: 0;
  justify-self: center;
  width: min(100%, 304px);
}
.hero-media img {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 4px;
}
.hero-media figcaption {
  font-size: 12px;
  color: var(--muted);
  line-height: 1.7;
  margin-top: 12px;
}
.section {
  padding: 64px 0;
  border-top: 1px solid var(--line);
}
.intro {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: start;
}
.intro p {
  max-width: 37em;
}
.facts {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  margin: 36px 0 0;
}
.facts div {
  display: flex;
  flex-direction: column;
}
.facts dt {
  font-size: 13px;
  order: 2;
  color: var(--muted);
  margin-top: 8px;
}
.facts dd {
  margin: 0;
  font-family: Georgia, serif;
  font-size: 42px;
  font-variant-numeric: tabular-nums;
}
.gallery {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  margin-top: 32px;
}
.gallery figure {
  margin: 0;
}
.gallery img {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 3px;
}
.gallery figcaption {
  font-family: Georgia, "Songti SC", serif;
  font-size: 17px;
  margin-top: 16px;
}
.section-link {
  display: inline-block;
  margin-top: 28px;
}
.questions {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px 48px;
}
.questions details {
  padding: 20px 0;
  border-bottom: 1px solid var(--line);
}
summary {
  font-size: 17px;
  cursor: pointer;
  line-height: 1.6;
}
details p {
  font-size: 15px;
  color: var(--muted);
  margin: 16px 0 0;
}
.article {
  padding: 32px 0 64px;
}
.breadcrumb {
  font-size: 13px;
  color: var(--muted);
  margin: 8px 0 38px;
}
.article header {
  max-width: 850px;
  margin-bottom: 42px;
}
.article h1 {
  font-size: clamp(2rem, 4.3vw, 3.4rem);
}
.lede {
  font-size: 19px;
  line-height: 1.8;
  color: var(--muted);
}
.byline {
  font-size: 12px;
  color: var(--muted);
  line-height: 1.8;
}
.article-grid {
  display: grid;
  grid-template-columns: minmax(0, 720px) minmax(180px, 1fr);
  gap: 64px;
}
.prose > section {
  margin-bottom: 42px;
}
.prose h2 {
  font-size: 26px;
  margin-bottom: 16px;
}
.prose p {
  font-size: 16px;
  max-width: 65ch;
}
.contents {
  border-top: 1px solid var(--line);
  padding-top: 18px;
  font-size: 13px;
  line-height: 1.7;
  align-self: start;
  position: sticky;
  top: 24px;
}
.contents ol {
  padding-left: 20px;
  margin: 12px 0;
}
.contents li {
  margin-bottom: 12px;
}
.table-wrap {
  overflow-x: auto;
  margin: 28px 0;
}
.pricing {
  border-collapse: collapse;
  width: 100%;
  font-size: 14px;
  line-height: 1.7;
  min-width: 580px;
}
.pricing th {
  text-align: left;
  font-weight: 600;
  padding: 16px 18px 16px 0;
  border-bottom: 1px solid var(--line);
}
.pricing td {
  padding: 22px 18px 22px 0;
  vertical-align: top;
  border-bottom: 1px solid var(--line);
}
.pricing td:first-child {
  min-width: 120px;
}
.note {
  color: var(--muted);
  font-size: 13px;
  line-height: 1.8;
}
.channel-list {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 36px;
  margin: 32px 0;
}
.channel-list section {
  border-top: 1px solid var(--line);
  padding-top: 20px;
}
.channel-list h2 {
  font-size: 24px;
}
.media-list {
  padding-left: 20px;
  line-height: 2;
}
.media-list li {
  margin-bottom: 10px;
}
.practice {
  margin: 28px 0;
  max-width: 280px;
}
.practice-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 6px;
}
.practice-grid span {
  display: grid;
  place-items: center;
  aspect-ratio: 1;
  background: #ded7c8;
  border: 1px solid #aaa08d;
  font-size: 24px;
  font-family: Georgia, serif;
}
.practice figcaption {
  font-size: 13px;
  color: var(--muted);
  line-height: 1.7;
  margin-top: 12px;
}
.related {
  margin-top: 48px;
  padding-top: 32px;
  border-top: 1px solid var(--line);
}
.related nav {
  display: flex;
  gap: 18px 28px;
  flex-wrap: wrap;
  font-size: 14px;
}
.footer {
  padding: 36px 0 42px;
  border-top: 1px solid var(--line);
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 32px;
  font-size: 12px;
  color: var(--muted);
  line-height: 1.9;
}
.footer p {
  margin: 0;
}
.footer nav {
  display: flex;
  flex-wrap: wrap;
  gap: 12px 24px;
  justify-content: flex-end;
  align-content: start;
}
.cta {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 32px;
}
.cta h2 {
  margin: 0;
}
.cta p {
  margin: 10px 0 0;
  font-size: 14px;
  color: var(--muted);
}
.download-note {
  margin-top: 16px;
}
.wide {
  grid-column: 1/-1;
}
@media (min-width: 1440px) {
  .hero {
    min-height: 700px;
  }
  .hero-media {
    width: 320px;
  }
}
@media (max-width: 900px) {
  .header nav {
    gap: 14px;
  }
  .header nav a:nth-child(2) {
    display: none;
  }
  .hero {
    gap: 30px;
    min-height: 580px;
  }
  .hero-media {
    width: 260px;
  }
  .article-grid {
    grid-template-columns: 1fr;
    gap: 20px;
  }
  .contents {
    position: static;
    order: -1;
  }
  .contents ol {
    display: flex;
    flex-wrap: wrap;
    gap: 12px 24px;
  }
  .contents li {
    margin: 0;
  }
  .intro {
    gap: 36px;
  }
}
@media (max-width: 640px) {
  .wrap {
    width: calc(100% - 36px);
  }
  .header {
    min-height: 76px;
    gap: 12px;
  }
  .brand {
    font-size: 17px;
    gap: 8px;
  }
  .brand img {
    width: 32px;
    height: 32px;
  }
  .header nav {
    font-size: 12px;
  }
  .header nav a:not(:last-child) {
    display: none;
  }
  .languages {
    font-size: 12px;
    gap: 18px;
  }
  .hero {
    grid-template-columns: 1fr;
    gap: 36px;
    padding: 38px 0 44px;
    min-height: 0;
  }
  .hero-copy {
    max-width: 100%;
  }
  h1 {
    font-size: 42px;
    max-width: 12em;
  }
  .hero .lede {
    font-size: 16px;
  }
  .actions {
    gap: 20px;
    margin-top: 24px;
  }
  .hero-media {
    width: 248px;
  }
  .intro {
    grid-template-columns: 1fr;
    gap: 12px;
  }
  .facts {
    gap: 20px 12px;
    grid-template-columns: repeat(2, 1fr);
  }
  .facts dd {
    font-size: 36px;
  }
  .section {
    padding: 42px 0;
  }
  .gallery {
    grid-template-columns: repeat(2, 1fr);
    gap: 28px 14px;
  }
  .gallery figcaption {
    font-size: 15px;
  }
  .questions {
    grid-template-columns: 1fr;
    gap: 0;
  }
  .cta {
    display: block;
  }
  .cta .button {
    margin-top: 24px;
  }
  .article {
    padding-top: 24px;
  }
  .article h1 {
    font-size: 32px;
    line-height: 1.3;
  }
  .article header {
    margin-bottom: 32px;
  }
  .breadcrumb {
    margin-bottom: 26px;
  }
  .lede {
    font-size: 17px;
  }
  .contents ol {
    display: block;
  }
  .contents li {
    margin: 10px 0;
  }
  .prose h2 {
    font-size: 23px;
  }
  .prose p {
    font-size: 16px;
  }
  .channel-list {
    grid-template-columns: 1fr;
    gap: 20px;
  }
  .footer {
    grid-template-columns: 1fr;
    gap: 18px;
  }
  .footer nav {
    justify-content: flex-start;
  }
}
.video-section {
  margin: 42px 0;
}
.video-section video {
  display: block;
  width: min(100%, 340px);
  height: auto;
  border: 1px solid var(--line);
  border-radius: 3px;
}
.video-section details {
  margin-top: 20px;
}
@media (prefers-reduced-motion: reduce) {
  * {
    scroll-behavior: auto !important;
    animation: none !important;
    transition: none !important;
  }
}
/* Explanatory evidence remains readable as text and with high zoom. */
.prose .steps { padding-left: 1.5em; line-height: 1.85; }
.steps li { margin-bottom: 1em; }
.backup-shot { margin: 28px 0; max-width: 360px; }
.backup-shot img { border: 1px solid var(--line); border-radius: 4px; }
.backup-shot figcaption { font-size: 13px; line-height: 1.8; margin-top: 12px; color: var(--muted); }
.practice-grid .blocked { background: var(--ink); color: var(--paper); }
.prose { overflow-wrap: anywhere; }
.hero .lede { text-wrap: pretty; }
.prose { min-width: 0; }