:root {
  --ink: #071014;
  --ink-2: #0c191d;
  --steel: #14272d;
  --line: #294149;
  --line-soft: #1a3036;
  --paper: #f4f1e8;
  --soft: #c3cfca;
  --muted: #8ba19e;
  --signal: #f6b73c;
  --signal-soft: rgba(246, 183, 60, .12);
  --live: #72d29d;
  --danger: #f37870;
  --display: "Arial Narrow", "Helvetica Neue", Arial, sans-serif;
  --serif: Georgia, "Times New Roman", serif;
  --mono: "SFMono-Regular", Consolas, "Liberation Mono", monospace;
}

* { box-sizing: border-box; }
html { background: var(--ink); color: var(--paper); }
body { margin: 0; background: var(--ink); color: var(--paper); font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif; line-height: 1.7; }
a { color: inherit; }
.wrap { width: min(100% - 2rem, 70rem); margin: 0 auto; }
.site-head { border-bottom: 1px solid var(--line); background: var(--ink-2); }
.site-head .wrap { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 1rem; padding: 1rem 0; }
.lockup { display: inline-flex; align-items: center; gap: .75rem; color: var(--paper); text-decoration: none; }
.mark { display: grid; width: 2.2rem; height: 2.2rem; place-items: center; background: var(--signal); color: var(--ink); clip-path: polygon(0 0, 82% 0, 100% 18%, 100% 100%, 18% 100%, 0 82%); font-family: var(--display); font-weight: 800; letter-spacing: -.06em; }
.word { font-family: var(--display); font-size: .9rem; font-weight: 700; letter-spacing: .11em; }
.site-nav { display: flex; flex-wrap: wrap; gap: .85rem; font-family: var(--mono); font-size: .72rem; letter-spacing: .07em; }
.site-nav a { color: var(--muted); text-decoration: none; text-transform: uppercase; }
.site-nav a:hover, .site-nav a[aria-current="page"] { color: var(--signal); }
main { padding: clamp(2.5rem, 7vw, 5.5rem) 0 2rem; }
.crumb { margin: 0 0 1rem; color: var(--muted); font-family: var(--mono); font-size: .72rem; letter-spacing: .06em; }
.crumb a { text-underline-offset: .25rem; }
.eyebrow { margin: 0; color: var(--signal); font-family: var(--mono); font-size: .72rem; letter-spacing: .14em; text-transform: uppercase; }
h1, h2, h3 { color: var(--paper); font-family: var(--serif); line-height: 1.15; }
h1 { max-width: 16ch; margin: .6rem 0 0; font-size: clamp(2.2rem, 6vw, 4.5rem); font-weight: 600; letter-spacing: -.045em; }
h2 { margin: 0; font-size: clamp(1.5rem, 3vw, 2.15rem); font-weight: 600; letter-spacing: -.025em; }
h3 { margin: 0; font-size: 1.25rem; font-weight: 600; }
.lede { max-width: 46rem; margin: 1.4rem 0 0; color: var(--soft); font-size: clamp(1.05rem, 2vw, 1.22rem); }
.byline { margin: 1.15rem 0 0; color: var(--muted); font-size: .84rem; }
.byline strong { color: var(--soft); font-weight: 600; }
.hero-rule { width: 4rem; height: 2px; margin: 2.4rem 0 0; background: var(--signal); }
.guide-layout { display: grid; gap: 2rem; margin-top: 3rem; }
.summary, .toc, .scope, .en-answer { border: 1px solid var(--line); background: var(--ink-2); }
.summary { padding: 1.35rem; }
.summary h2, .toc h2, .scope h2, .en-answer h2 { font-family: var(--display); font-size: .78rem; letter-spacing: .1em; text-transform: uppercase; }
.summary h2 { color: var(--signal); }
.summary ul { margin: .9rem 0 0; padding-left: 1.1rem; color: var(--soft); }
.summary li + li { margin-top: .5rem; }
.toc { padding: 1.2rem 1.35rem; }
.toc ol { margin: .7rem 0 0; padding-left: 1.15rem; }
.toc a { color: var(--soft); text-underline-offset: .22rem; }
.toc a:hover { color: var(--signal); }
.article-body { max-width: 48rem; }
.article-body section { margin-top: 3.5rem; scroll-margin-top: 1.5rem; }
.article-body p { margin: 1rem 0 0; color: var(--soft); }
.article-body ul, .article-body ol { margin: 1rem 0 0; padding-left: 1.3rem; color: var(--soft); }
.article-body li + li { margin-top: .55rem; }
.article-body strong { color: var(--paper); }
.article-body a, .resource-links a { color: var(--paper); text-decoration-color: var(--signal); text-underline-offset: .25rem; }
.article-body a:hover, .resource-links a:hover { color: var(--signal); }
.steps { counter-reset: guide-step; list-style: none; padding: 0 !important; }
.steps li { position: relative; padding: 1rem 1rem 1rem 3.5rem; border-top: 1px solid var(--line-soft); }
.steps li::before { position: absolute; left: 0; top: 1rem; display: grid; width: 2rem; height: 2rem; place-items: center; border: 1px solid var(--signal); color: var(--signal); content: counter(guide-step, decimal-leading-zero); counter-increment: guide-step; font-family: var(--mono); font-size: .68rem; }
.fact-table { width: 100%; margin-top: 1.25rem; border-collapse: collapse; color: var(--soft); font-size: .94rem; }
.fact-table th, .fact-table td { padding: .85rem; border: 1px solid var(--line); text-align: left; vertical-align: top; }
.fact-table th { color: var(--paper); background: var(--steel); font-family: var(--display); font-size: .78rem; letter-spacing: .05em; text-transform: uppercase; }
.scope { margin-top: 2rem; padding: 1.35rem; }
.scope h2 { color: var(--signal); }
.scope p { margin: .75rem 0 0; color: var(--soft); }
.en-answer { margin-top: 2rem; padding: 1.35rem; }
.en-answer h2 { color: var(--signal); }
.en-answer p { margin: .7rem 0 0; color: var(--soft); }
.resource-links { margin-top: 2rem; border-top: 1px solid var(--line); padding-top: 1.3rem; }
.resource-links p { color: var(--muted); font-size: .84rem; }
.guide-grid { display: grid; gap: 1.1rem; margin-top: 2.5rem; }
.guide-card { display: flex; flex-direction: column; min-height: 15rem; border: 1px solid var(--line); background: var(--ink-2); padding: 1.5rem; }
.guide-card .num { color: var(--signal); font-family: var(--mono); font-size: .7rem; letter-spacing: .1em; }
.guide-card p { margin: .9rem 0 0; color: var(--soft); }
.guide-card a { margin-top: auto; padding-top: 1.25rem; color: var(--paper); font-family: var(--mono); font-size: .72rem; letter-spacing: .08em; text-decoration-color: var(--signal); text-transform: uppercase; text-underline-offset: .28rem; }
.guide-card a:hover { color: var(--signal); }
.article-cta { display: flex; flex-wrap: wrap; gap: .7rem; margin-top: 2.5rem; }
.button { display: inline-block; border: 1px solid var(--signal); padding: .7rem 1rem; color: var(--signal); font-family: var(--mono); font-size: .75rem; letter-spacing: .07em; text-decoration: none; text-transform: uppercase; }
.button.primary { background: var(--signal); color: var(--ink); font-weight: 700; }
.button:hover { filter: brightness(1.08); }
.site-foot { margin-top: 4rem; border-top: 1px solid var(--line); background: var(--ink-2); }
.site-foot .wrap { padding: 1.4rem 0 2rem; color: var(--muted); font-size: .78rem; line-height: 1.8; }
.site-foot p { margin: .3rem 0; }
.site-foot a { text-underline-offset: .2rem; }
@media (min-width: 720px) {
  .guide-layout { grid-template-columns: minmax(0, 1fr) 15rem; align-items: start; }
  .guide-layout .article-body { grid-column: 1; grid-row: 1 / span 4; }
  .guide-layout .summary { grid-column: 2; grid-row: 1; }
  .guide-layout .toc { grid-column: 2; grid-row: 2; }
  .guide-layout .scope { grid-column: 2; grid-row: 3; margin-top: 0; }
  .guide-layout .en-answer { grid-column: 2; grid-row: 4; margin-top: 0; }
  .guide-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
}
@media (max-width: 520px) {
  .site-head .wrap { align-items: flex-start; }
  .site-nav { gap: .65rem; }
  .fact-table { display: block; overflow-x: auto; }
}