@font-face { font-family: "Cinzel"; src: url("fonts/cinzel-700.woff2") format("woff2");
  font-weight: 700; font-style: normal; font-display: swap; }
@font-face { font-family: "Cinzel"; src: url("fonts/cinzel-900.woff2") format("woff2");
  font-weight: 900; font-style: normal; font-display: swap; }
@font-face { font-family: "MedievalSharp"; src: url("fonts/medievalsharp-400.woff2") format("woff2");
  font-weight: 400; font-style: normal; font-display: swap; }
@font-face { font-family: "Outfit"; src: url("fonts/outfit-var.woff2") format("woff2");
  font-weight: 100 900; font-style: normal; font-display: swap; }

:root {
  --field-top: #150e07; --field-bot: #0b0704;
  --oak: #2e2014; --oak-deep: #160f09; --oak-inset: #4a341e;
  --parchment: #f3e6cd; --parchment-dim: #b9ac96; --parchment-faint: #8a7f6d;
  --gold: #cfa93a; --gold-bright: #edd07a; --gold-line: #6b5720;
  --vert: #2f6b3a; --gules: #8f2b26;
  --serif: "Cinzel", Georgia, serif;
  --script: "MedievalSharp", Georgia, serif;
  --sans: "Outfit", "Avenir Next", system-ui, sans-serif;
  --mono: "SFMono-Regular", "Menlo", monospace;
  --rail: 17.5rem;
  color-scheme: dark;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0; min-height: 100vh; color: var(--parchment);
  font-family: var(--sans); font-size: 16px; line-height: 1.75;
  background:
    radial-gradient(circle at 20% -6%, #241708 0%, rgba(36, 23, 8, 0) 46%),
    linear-gradient(180deg, var(--field-top) 0%, var(--field-bot) 100%);
  background-attachment: fixed;
}
a { color: var(--gold); text-underline-offset: 0.2em; }
a:hover, a:focus-visible { color: var(--gold-bright); }
:focus-visible { outline: 2px solid var(--gold); outline-offset: 2px; }
.skip-link { position: absolute; left: -9999px; }
.skip-link:focus { left: 1rem; top: 1rem; z-index: 10; background: var(--oak);
  color: var(--parchment); padding: 0.6rem 1rem; border: 1px solid var(--gold-line); }

/* ---- shell ---- */
.guide-shell { display: grid; grid-template-columns: var(--rail) minmax(0, 1fr);
  gap: 0; max-width: 84rem; margin: 0 auto; }

/* ---- left index rail ---- */
.guide-rail {
  position: sticky; top: 0; align-self: start; height: 100vh; overflow-y: auto;
  padding: 2rem 1.5rem 3rem; border-right: 1px solid var(--gold-line);
  background: linear-gradient(180deg, rgba(46,32,20,0.55), rgba(22,15,9,0.55));
}
.rail-brand { display: block; font-family: var(--script); font-size: 1.32rem;
  line-height: 1.25; color: var(--parchment); text-decoration: none; }
.rail-brand:hover { color: var(--gold-bright); }
.rail-mark { display: block; font-family: var(--serif); font-weight: 700;
  font-size: 0.62rem; letter-spacing: 0.24em; text-transform: uppercase;
  color: var(--gold); margin-bottom: 0.35rem; }
.rail-rule { height: 2px; width: 3.2rem; margin: 1rem 0 1.4rem;
  background: linear-gradient(90deg, var(--gold), rgba(207,169,58,0)); }
.rail-heading { font-family: var(--serif); font-weight: 700; font-size: 0.6rem;
  letter-spacing: 0.22em; text-transform: uppercase; color: var(--parchment-faint);
  margin: 1.6rem 0 0.6rem; }
.guide-rail > ol { margin: 0; padding: 0; list-style: none; counter-reset: nav; }
.guide-rail > ol > li { counter-increment: nav; }
.guide-rail > ol > li > a {
  display: grid; grid-template-columns: 1.7rem 1fr; align-items: baseline;
  gap: 0.15rem; padding: 0.42rem 0.6rem; margin-left: -0.6rem;
  color: var(--parchment-dim); text-decoration: none; font-size: 0.925rem;
  border-left: 2px solid transparent; border-radius: 2px;
}
.guide-rail > ol > li > a::before { content: counter(nav, decimal-leading-zero);
  font-family: var(--serif); font-size: 0.66rem; letter-spacing: 0.08em;
  color: var(--gold-line); }
.guide-rail > ol > li > a:hover { color: var(--parchment); background: rgba(207,169,58,0.07); }
.guide-rail > ol > li > a:hover::before { color: var(--gold); }
.guide-rail > ol > li > a[aria-current="page"] {
  color: var(--parchment); background: rgba(207,169,58,0.1);
  border-left-color: var(--gold); font-weight: 500; }
.guide-rail > ol > li > a[aria-current="page"]::before { color: var(--gold); }
.rail-toc { margin: 0.15rem 0 0.7rem 1.75rem; padding: 0 0 0 0.8rem;
  list-style: none; border-left: 1px solid var(--gold-line); }
.rail-toc li { counter-increment: none; margin: 0; }
.rail-toc a { display: block; padding: 0.22rem 0; font-size: 0.83rem;
  color: var(--parchment-faint); text-decoration: none; }
.rail-toc a:hover { color: var(--gold-bright); }

/* ---- article ---- */
.guide-main { min-width: 0; padding: 3rem 3.5rem 6rem; }
.guide-body { max-width: 46rem; }
.eyebrow { font-family: var(--serif); font-weight: 700; font-size: 0.62rem;
  letter-spacing: 0.24em; text-transform: uppercase; color: var(--gold);
  margin: 0 0 0.5rem; }
h1, h2, h3, h4 { font-family: var(--serif); color: var(--parchment);
  line-height: 1.14; letter-spacing: -0.005em; }
h1 { font-size: 2.35rem; font-weight: 900; margin: 0 0 1.4rem; }
h1::after { content: ""; display: block; width: 3.4rem; height: 3px;
  margin-top: 0.9rem; background: linear-gradient(90deg, var(--gold), rgba(207,169,58,0)); }
h2 { font-size: 1.42rem; font-weight: 700; margin: 2.6rem 0 0.9rem;
  padding-bottom: 0.42rem; border-bottom: 1px solid var(--gold-line); }
h3 { font-size: 1.08rem; font-weight: 700; margin: 1.9rem 0 0.6rem;
  color: var(--gold-bright); }
p, li { color: var(--parchment-dim); }
p { margin: 0 0 1.05rem; }
strong { color: var(--parchment); font-weight: 600; }
ul, ol { padding-left: 1.3rem; margin: 0 0 1.15rem; }
li { margin: 0.35rem 0; }
li::marker { color: var(--gold-line); }
hr { border: 0; height: 1px; background: var(--gold-line); margin: 2.4rem 0; }

/* Tinctures never sit bare on the field: the gold boundary is the enclosure. */
blockquote { margin: 1.6rem 0; padding: 1rem 1.25rem;
  background: linear-gradient(180deg, rgba(46,32,20,0.66), rgba(22,15,9,0.66));
  border: 1px solid var(--gold-line); border-left: 3px solid var(--gold); }
blockquote p { margin: 0.25rem 0; color: var(--parchment-dim); }
blockquote strong { color: var(--gold-bright); }

code { font-family: var(--mono); font-size: 0.855em; color: var(--gold-bright);
  background: rgba(74,52,30,0.42); border: 1px solid rgba(107,87,32,0.5);
  padding: 0.08em 0.36em; border-radius: 3px; }
pre { background: var(--oak-deep); border: 1px solid var(--gold-line);
  padding: 1rem 1.15rem; overflow-x: auto; border-radius: 3px; }
pre code { background: none; border: 0; color: var(--parchment-dim); padding: 0; }

.table-wrap { overflow-x: auto; margin: 1.5rem 0;
  border: 1px solid var(--gold-line); }
table { border-collapse: collapse; width: 100%; font-size: 0.92rem; }
thead th { font-family: var(--serif); font-weight: 700; font-size: 0.66rem;
  letter-spacing: 0.16em; text-transform: uppercase; color: var(--gold);
  background: rgba(46,32,20,0.85); }
th, td { padding: 0.66rem 0.85rem; text-align: left; vertical-align: top;
  border-bottom: 1px solid rgba(107,87,32,0.42); }
td { color: var(--parchment-dim); }
tbody tr:last-child td { border-bottom: 0; }
tbody tr:nth-child(even) { background: rgba(46,32,20,0.24); }

/* Screenshots of the running client. The gold boundary is the same rule the
   tinctures follow: the capture never sits bare on the field. */
.shot { margin: 1.75rem 0; }
.shot img { display: block; width: 100%; height: auto;
  border: 1px solid var(--gold-line); border-radius: 2px;
  background: var(--oak-deep); }
.shot figcaption { margin-top: 0.6rem; font-size: 0.79rem; line-height: 1.5;
  color: var(--parchment-faint); }

.guide-foot { max-width: 46rem; margin-top: 3.5rem; padding-top: 1.1rem;
  border-top: 1px solid var(--gold-line); display: flex; justify-content: space-between;
  gap: 1rem; font-family: var(--serif); font-size: 0.58rem; letter-spacing: 0.2em;
  text-transform: uppercase; color: var(--parchment-faint); }

/* ---- narrow screens: the rail becomes a disclosure above the article ---- */
@media (max-width: 60rem) {
  .guide-shell { grid-template-columns: 1fr; }
  .guide-rail { position: static; height: auto; border-right: 0;
    border-bottom: 1px solid var(--gold-line); padding: 1.5rem 1.5rem 1.75rem; }
  .rail-toc { display: none; }
  .guide-main { padding: 2rem 1.5rem 4rem; }
  h1 { font-size: 1.85rem; }
}
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }