@font-face { font-family: "Merriweather"; src: url(/fonts/merriweather-latin-400-normal.woff2) format("woff2"); font-weight: 400; font-style: normal; font-display: swap; }
@font-face { font-family: "Merriweather"; src: url(/fonts/merriweather-latin-400-italic.woff2) format("woff2"); font-weight: 400; font-style: italic; font-display: swap; }
@font-face { font-family: "Merriweather"; src: url(/fonts/merriweather-latin-700-normal.woff2) format("woff2"); font-weight: 700; font-style: normal; font-display: swap; }
@font-face { font-family: "Montserrat"; src: url(/fonts/montserrat-latin-600-normal.woff2) format("woff2"); font-weight: 600; font-display: swap; }
@font-face { font-family: "Montserrat"; src: url(/fonts/montserrat-latin-700-normal.woff2) format("woff2"); font-weight: 700; font-display: swap; }

:root {
  --ink: #1d1b16; --paper: #f6f1e4; --sheet: #efe8d6; --rule: #c4b896; --quiet: #5f5848; --accent: #9a3a17;
  --sans: Montserrat, "Helvetica Neue", Arial, sans-serif;
  --serif: Merriweather, Georgia, serif;
  --mono: ui-monospace, "SF Mono", Menlo, Consolas, "DejaVu Sans Mono", monospace;
}
@media (prefers-color-scheme: dark) {
  :root { --ink: #e9e2cf; --paper: #1b1915; --sheet: #24211b; --rule: #4d4636; --quiet: #a39a84; --accent: #e08a5f; }
}

* { box-sizing: border-box; }
html { background: var(--paper); color: var(--ink); }
body { margin: 0; font: 1rem/1.75 var(--serif); }
a { color: inherit; text-decoration-color: var(--rule); text-underline-offset: .2em; }
a:hover { color: var(--accent); text-decoration-color: currentColor; }

/* Masthead: a running head, not a hero. */
.masthead { display: flex; align-items: baseline; gap: 2.5rem; padding: 1.1rem 2.5rem; border-bottom: 1px solid var(--rule); }
.wordmark { font: 700 1.35rem/1 var(--sans); letter-spacing: -.01em; text-decoration: none; }
.masthead nav { display: flex; gap: 1.6rem; font: 600 .78rem/1 var(--sans); letter-spacing: .08em; text-transform: uppercase; }
.masthead nav a { text-decoration: none; color: var(--quiet); }
.masthead nav a:hover { color: var(--accent); }

.frame { display: grid; grid-template-columns: minmax(0, 46rem); justify-content: center; padding: 2.5rem 2.5rem 4rem; }
body.doc .frame { grid-template-columns: 15rem minmax(0, 46rem); gap: 4rem; justify-content: start; padding-left: 2.5rem; }

/* The doc index reads like a book's contents page. */
.index { position: sticky; top: 1.5rem; align-self: start; max-height: calc(100vh - 3rem); overflow-y: auto; }
.index h2 { font: 700 .72rem/1 var(--sans); letter-spacing: .2em; text-transform: uppercase; color: var(--quiet); margin: .4rem 0 1rem; }
.index ol { list-style: none; margin: 0; padding: 0; counter-reset: doc; font-size: .86rem; line-height: 1.45; }
.index li { counter-increment: doc; display: grid; grid-template-columns: 1.8rem 1fr; padding: .28rem 0; }
.index li::before { content: counter(doc, decimal-leading-zero); font: 600 .7rem/1.9 var(--sans); color: var(--quiet); }
.index a { text-decoration: none; }
.index li.here a { color: var(--accent); font-weight: 700; }

/* Running text. */
.prose h1 { font: 700 2.4rem/1.15 var(--sans); letter-spacing: -.02em; margin: 0 0 1.5rem; }
.prose h2 { font: 700 1.3rem/1.3 var(--sans); margin: 3rem 0 .8rem; padding-top: 1rem; border-top: 1px solid var(--rule); }
.prose h3 { font: 600 1.05rem/1.35 var(--sans); margin: 2.2rem 0 .6rem; }
.prose h4 { font: 600 .92rem/1.4 var(--sans); margin: 1.8rem 0 .5rem; }
.prose p, .prose ul, .prose ol { margin: 0 0 1.1rem; }
.prose li { margin: .2rem 0; }
.prose li > p { margin: 0 0 .4rem; }
.prose blockquote { margin: 1.4rem 0; padding: 0 0 0 1.2rem; border-left: 3px solid var(--rule); color: var(--quiet); }
.prose hr { border: 0; border-top: 1px solid var(--rule); margin: 2.5rem 0; }
.prose img { max-width: 100%; height: auto; }
.prose code { font: .86em/1 var(--mono); background: var(--sheet); padding: .12em .3em; border-radius: 2px; }
.prose pre { background: var(--sheet); border-left: 3px solid var(--rule); padding: .9rem 1.1rem; overflow-x: auto; margin: 0 0 1.4rem; }
.prose pre code { font-size: .82rem; line-height: 1.6; background: none; padding: 0; }
.prose :is(h1, h2, h3, h4)[id] { scroll-margin-top: 1.5rem; }

/* Tables are the reference pages' main structure, so they get room. */
.table { overflow-x: auto; margin: 0 0 1.6rem; }
.prose table { border-collapse: collapse; font-size: .84rem; line-height: 1.55; width: 100%; }
.prose th { font: 700 .7rem/1.3 var(--sans); letter-spacing: .08em; text-transform: uppercase; text-align: left; color: var(--quiet); border-bottom: 2px solid var(--ink); padding: .5rem .8rem .5rem 0; }
.prose td { border-bottom: 1px solid var(--rule); padding: .55rem .8rem .55rem 0; vertical-align: top; }
.prose td code { white-space: nowrap; }

/* The front page: the emblem sits in the margin like a printer's mark. */
body.home .prose > p:first-child { float: right; margin: 0 0 1rem 2rem; }
body.home .prose > p:first-child img { width: 160px; image-rendering: pixelated; }
body.home .prose h1 { font-size: 4rem; margin-bottom: 1rem; }
body.home .prose h1 + p { font-size: 1.25rem; line-height: 1.6; }

/* Colophon. */
.colophon h1 { font: 700 .85rem/1.2 var(--sans); letter-spacing: .25em; text-transform: uppercase; border-bottom: 1px solid var(--rule); padding-bottom: .5rem; margin-bottom: 1.5rem; }
.colophon h2 { font: 600 .95rem/1.3 var(--sans); border: 0; padding: 0; margin-top: 2.75rem; }
.colophon .lede::first-letter { float: left; font: 700 3.9rem/.8 var(--sans); padding: .35rem .5rem 0 0; }
.colophon ol.sources { font-size: .85rem; color: var(--quiet); padding-left: 1.4rem; }
.colophon sup a { text-decoration: none; color: var(--quiet); }

.colophon-line { border-top: 1px solid var(--rule); padding: 1rem 2.5rem 2rem; font: 600 .74rem/1.6 var(--sans); letter-spacing: .03em; color: var(--quiet); display: flex; gap: 1.2rem; flex-wrap: wrap; }

/* Not a phone layout, only enough that a narrow window does not break. */
@media (max-width: 52rem) {
  .masthead, .frame, body.doc .frame, .colophon-line { padding-left: 1rem; padding-right: 1rem; }
  .masthead { flex-wrap: wrap; gap: .8rem 1.5rem; }
  body.doc .frame { grid-template-columns: minmax(0, 1fr); gap: 1.5rem; }
  .index { position: static; max-height: none; }
  body.home .prose > p:first-child { float: none; margin: 0; }
}