/* Every Door Direct Mail USPS Rule Book (independent). Look: a statute book. Parchment, oxblood and ink;
   section marks, numbered clauses with margin notes, a leather title band and a ruled change register. Prefix rb-. */
@font-face { font-family: "EB Garamond"; src: url("/assets/fonts/EBGaramond-400.woff2") format("woff2"); font-weight: 400; font-display: swap; }
@font-face { font-family: "EB Garamond"; src: url("/assets/fonts/EBGaramond-600.woff2") format("woff2"); font-weight: 600; font-display: swap; }
@font-face { font-family: "Hanken Grotesk"; src: url("/assets/fonts/HankenGrotesk-400.woff2") format("woff2"); font-weight: 400; font-display: swap; }
@font-face { font-family: "Hanken Grotesk"; src: url("/assets/fonts/HankenGrotesk-600.woff2") format("woff2"); font-weight: 600; font-display: swap; }

:root {
  --rb-parch: #f4ecdc;
  --rb-parch-2: #fbf6ea;
  --rb-ink: #231c17;
  --rb-ink-2: #6a5d50;
  --rb-ox: #6e1f26;
  --rb-gold: #b08a3e;
  --rb-rule: #d9c9a8;
  --rb-serif: "EB Garamond", Garamond, "Times New Roman", serif;
  --rb-sans: "Hanken Grotesk", "Segoe UI", system-ui, sans-serif;
  color-scheme: light dark;
}
@media (prefers-color-scheme: dark) {
  :root {
    --rb-parch: #1a1512;
    --rb-parch-2: #231d18;
    --rb-ink: #efe6d4;
    --rb-ink-2: #b9aa93;
    --rb-ox: #e0848b;
    --rb-gold: #d6b26a;
    --rb-rule: #3b3128;
  }
}

*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body { margin: 0; background: var(--rb-parch); color: var(--rb-ink); font: 20px/1.6 var(--rb-serif); overflow-x: clip; }
svg { max-width: 100%; height: auto; }
a { color: var(--rb-ox); text-underline-offset: 3px; }
:focus-visible { outline: 2px solid var(--rb-gold); outline-offset: 2px; }
.rb-skip { position: absolute; left: -999px; }
.rb-skip:focus { left: 10px; top: 10px; z-index: 40; background: var(--rb-parch-2); padding: 8px 12px; }
.rb-wrap { max-width: 1040px; margin: 0 auto; padding: 0 28px; display: block; }
sup { font-size: .55em; vertical-align: super; line-height: 0; }

/* header */
.rb-header { background: #5a1a1f; color: #f4ecdc; }
.rb-header__in { padding-top: 16px; padding-bottom: 12px; }
.rb-brand { display: inline-flex; align-items: center; gap: 12px; color: #f4ecdc; text-decoration: none; font: 600 1.3rem var(--rb-serif); letter-spacing: .01em; }
.rb-brand__s { width: 40px; height: 40px; border: 2px solid #d6b26a; border-radius: 50%; display: grid; place-items: center; color: #d6b26a; font-size: 1.4rem; }
.rb-nav { border-top: 1px solid rgba(214,178,106,.45); border-bottom: 3px double #d6b26a; }
.rb-nav ul { list-style: none; margin: 0; padding: 0; display: flex; flex-wrap: wrap; }
.rb-nav a { display: flex; gap: 8px; align-items: baseline; color: #f4ecdc; text-decoration: none; padding: 9px 14px 9px 0; margin-right: 8px; font: 400 .9rem var(--rb-sans); }
.rb-nav a span { font: 600 .9rem var(--rb-serif); color: #d6b26a; }
.rb-nav a[aria-current] { text-decoration: underline; text-decoration-color: #d6b26a; text-underline-offset: 6px; }
.rb-indep { margin: 0; background: #3e1115; color: #e9d9bd; font: 400 .78rem var(--rb-sans); padding: 6px 0; }

/* title band */
.rb-title { border-bottom: 1px solid var(--rb-rule); padding: 50px 0 34px; text-align: center; background: var(--rb-parch-2); }
.rb-kicker { font: 600 .78rem var(--rb-sans); letter-spacing: .26em; text-transform: uppercase; color: var(--rb-ox); margin: 0 0 12px; }
.rb-kicker::before, .rb-kicker::after { content: "❧"; margin: 0 12px; color: var(--rb-gold); letter-spacing: 0; }
.rb-title h1 { font: 600 clamp(2.1rem, 5vw, 3.4rem)/1.1 var(--rb-serif); margin: 0 auto 14px; max-width: 18em; }
.rb-lede { font-size: 1.2rem; font-style: italic; max-width: 36em; margin: 0 auto; color: var(--rb-ink); }
.rb-checked { font: 400 .8rem var(--rb-sans); color: var(--rb-ink-2); margin: 16px 0 0; }

/* article */
.rb-article { max-width: 780px; margin: 0 auto; padding: 24px 0 80px; }
.rb-article h2 { font: 600 1.7rem/1.2 var(--rb-serif); color: var(--rb-ox); margin: 2em 0 .6em; text-align: center; }
.rb-article h2::after { content: ""; display: block; width: 120px; height: 1px; background: var(--rb-gold); margin: 10px auto 0; }
.rb-article li { margin: .3em 0; }
.rb-article ul li::marker { color: var(--rb-ox); }
.rb-fine { font: 400 .8rem var(--rb-sans); color: var(--rb-ink-2); }

/* contents */
.rb-toc { border: 1px solid var(--rb-rule); background: var(--rb-parch-2); padding: 18px 26px; margin: 0 0 1em; }
.rb-toc__h { font: 600 .8rem var(--rb-sans); letter-spacing: .26em; text-transform: uppercase; text-align: center; color: var(--rb-ox); margin: 0 0 10px; }
.rb-toc ol { list-style: none; padding: 0; margin: 0; }
.rb-toc a { display: flex; align-items: baseline; gap: 10px; text-decoration: none; color: var(--rb-ink); padding: 6px 0; }
.rb-toc__ch { font: 600 .8rem var(--rb-sans); color: var(--rb-ox); width: 110px; flex: none; letter-spacing: .06em; }
.rb-toc__t { font-size: 1.15rem; }
.rb-toc__lead { flex: 1; border-bottom: 2px dotted var(--rb-rule); transform: translateY(-5px); }
.rb-toc a:hover .rb-toc__t { color: var(--rb-ox); }

/* clauses */
.rb-clause { display: grid; grid-template-columns: 120px 1fr; gap: 18px; border-top: 1px solid var(--rb-rule); padding: 16px 0; }
.rb-clause__no { margin: 0; font: 600 1.05rem var(--rb-serif); color: var(--rb-ox); text-align: right; padding-top: 2px; }
.rb-clause h3 { font: 600 1.15rem var(--rb-sans); margin: 0 0 4px; letter-spacing: .01em; }
.rb-clause__rule { margin: 0 0 8px; }
.rb-clause__note { margin: 0; font: 400 .92rem/1.55 var(--rb-sans); color: var(--rb-ink-2); border-left: 3px solid var(--rb-gold); padding-left: 12px; }
.rb-clause__note span { font-weight: 600; color: var(--rb-ox); font-style: italic; font-family: var(--rb-serif); font-size: 1.05rem; }

/* tables */
.rb-table { overflow-x: auto; margin: 1.2em 0; border-top: 2px solid var(--rb-ink); border-bottom: 2px solid var(--rb-ink); }
.rb-table table { border-collapse: collapse; width: 100%; font: 400 .92rem/1.5 var(--rb-sans); }
.rb-table th, .rb-table td { padding: 9px 10px; border-bottom: 1px solid var(--rb-rule); text-align: left; vertical-align: top; }
.rb-table thead th { font: 600 .75rem var(--rb-sans); letter-spacing: .14em; text-transform: uppercase; color: var(--rb-ox); border-bottom: 1px solid var(--rb-ink); }
.rb-table tbody tr:last-child td, .rb-table tbody tr:last-child th { border-bottom: 0; }
.rb-register .rb-date { font-family: var(--rb-serif); font-weight: 600; white-space: nowrap; color: var(--rb-ox); }
.rb-register .rb-src { white-space: nowrap; font-style: italic; }

/* price, figure, no-list */
.rb-price { text-align: center; border: 3px double var(--rb-ox); padding: 22px 18px; margin: 1.2em auto 1.6em; max-width: 420px; background: var(--rb-parch-2); }
.rb-price__k { font: 600 .75rem var(--rb-sans); letter-spacing: .18em; text-transform: uppercase; color: var(--rb-ink-2); margin: 0; }
.rb-price__v { font: 600 4rem/1 var(--rb-serif); color: var(--rb-ox); margin: 10px 0 6px; }
.rb-price__d { font-style: italic; margin: 0; }
.rb-fig { margin: 1.4em 0 1.8em; text-align: center; }
.rb-fig svg { width: 100%; max-width: 520px; background: var(--rb-parch-2); border: 1px solid var(--rb-rule); }
.rb-fig figcaption { font: italic 400 .95rem var(--rb-serif); color: var(--rb-ink-2); margin-top: 8px; }
.rb-ln { fill: none; stroke: var(--rb-ink); }
.rb-ln--b { stroke-width: 2; }
.rb-ln--d { stroke-width: 1.2; stroke-dasharray: 6 4; }
.rb-hatch { fill: color-mix(in srgb, var(--rb-ox) 14%, transparent); }
.rb-svg { font: 400 14px var(--rb-sans); fill: var(--rb-ink); }
.rb-svg--i { font: italic 400 17px var(--rb-serif); fill: var(--rb-ox); }
.rb-no { list-style: none; padding: 0 !important; display: grid; grid-template-columns: 1fr 1fr; gap: 8px 22px; margin: 1em 0 1.6em; }
.rb-no li { margin: 0; padding-left: 30px; position: relative; font-family: var(--rb-sans); font-size: .95rem; }
.rb-no li::before { content: ""; position: absolute; left: 0; top: 3px; width: 18px; height: 18px; border: 2px solid var(--rb-ox); border-radius: 50%;
  background: linear-gradient(45deg, transparent 45%, var(--rb-ox) 45%, var(--rb-ox) 55%, transparent 55%); }

/* faq, sources */
.rb-faq { margin-top: 2.4em; border-top: 3px double var(--rb-ink); padding-top: 10px; }
.rb-faq__h { font: 600 .78rem var(--rb-sans); letter-spacing: .24em; text-transform: uppercase; color: var(--rb-ox); text-align: center; }
.rb-faq details { border-bottom: 1px solid var(--rb-rule); }
.rb-faq summary { cursor: pointer; padding: 12px 0; font-weight: 600; list-style: none; }
.rb-faq summary::-webkit-details-marker { display: none; }
.rb-faq summary::before { content: "Q. "; color: var(--rb-ox); font-style: italic; }
.rb-faq details p { margin: 0 0 12px; }
.rb-faq details p::before { content: "A. "; color: var(--rb-ox); font-style: italic; font-weight: 600; }
.rb-sources { margin-top: 2.4em; font-size: .95rem; background: var(--rb-parch-2); border: 1px solid var(--rb-rule); padding: 14px 20px; }
.rb-sources__h { font: 600 .75rem var(--rb-sans); letter-spacing: .2em; text-transform: uppercase; color: var(--rb-ox); margin: 0 0 4px; }
.rb-sources ol { margin: 0 0 6px; padding-left: 1.3em; }

/* footer */
.rb-foot { background: #5a1a1f; color: #e9d9bd; padding: 36px 0 26px; font: 400 .9rem var(--rb-sans); text-align: center; border-top: 3px double #d6b26a; }
.rb-foot a { color: #fff; }
.rb-foot__name { font: 600 1.35rem var(--rb-serif); color: #f4ecdc; margin: 0 0 6px; }
.rb-foot__legal { font-size: .78rem; color: #c9b593; margin: 18px auto 0; max-width: 56em; }

@media (max-width: 720px) {
  body { font-size: 18.5px; }
  .rb-wrap { padding-left: 16px; padding-right: 16px; }
  .rb-clause { grid-template-columns: 1fr; gap: 4px; }
  .rb-clause__no { text-align: left; }
  .rb-no { grid-template-columns: 1fr; }
  .rb-toc { padding: 14px 16px; }
  .rb-toc__ch { width: 86px; }
  .rb-nav a { padding: 6px 10px 6px 0; }
  .rb-title { text-align: left; }
  .rb-kicker::before { content: none; }
  .rb-title h1, .rb-lede { margin-left: 0; }
}