/* theme.css: ISO 18033-7 Revision Checker. A specification sheet on warm paper.
   Type: serif headings over a system sans body, mono for codes and dates. No webfont. */
:root {
  --ink: #191c1b;
  --paper: #faf7ef;
  --sheet: #fffdf7;
  --green: #14524a;
  --green-dark: #0d3a34;
  --rust: #a34a1e;
  --muted: #5e655f;
  --rule: #d5cfbf;
  --rule-dark: #b9b19e;
  --wash: #f1ecdf;
  --serif: "Iowan Old Style", "Palatino Linotype", Palatino, Georgia, serif;
  --sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Helvetica, Arial, sans-serif;
  --mono: ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas, monospace;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0; background: var(--paper); color: var(--ink);
  font: 17px/1.6 var(--sans);
  -webkit-font-smoothing: antialiased;
}
a { color: var(--green); text-decoration-thickness: 1px; text-underline-offset: 3px; transition: color .12s; }
a:hover { color: var(--rust); }
:focus-visible { outline: 3px solid var(--rust); outline-offset: 3px; }
.skip { position: absolute; left: -999px; top: 0; background: var(--ink); color: #fff; padding: 12px 18px; z-index: 99; }
.skip:focus { left: 12px; top: 12px; }
.wrap { max-width: 1120px; margin: 0 auto; padding: 0 24px; }
.mono { font-family: var(--mono); }
.small { font-size: 15px; color: var(--muted); }
.flabel { font-family: var(--mono); font-size: 14px; letter-spacing: .09em; text-transform: uppercase; color: var(--muted); margin: 0 0 6px; }
.kicker { font-family: var(--mono); font-size: 14px; letter-spacing: .12em; text-transform: uppercase; color: var(--green); margin: 0 0 12px; }

/* record ribbon */
.recordbar { background: var(--green-dark); color: #f4f1e6; font-family: var(--mono); font-size: 14px; }
.recordbar .wrap { display: flex; flex-wrap: wrap; gap: 8px 26px; padding-top: 9px; padding-bottom: 9px; align-items: center; }
.recordbar b { color: #fff; font-weight: 600; }
.recordbar a { color: #fff; display: inline-block; padding: 4px 0; min-height: 24px; }
.recordbar .est { color: #f0c9a8; }

/* masthead */
.mast { border-bottom: 1px solid var(--rule); background: var(--paper); }
.mast .wrap { display: flex; align-items: center; justify-content: space-between; gap: 18px; padding-top: 16px; padding-bottom: 16px; flex-wrap: wrap; }
.brand { display: flex; align-items: center; gap: 13px; text-decoration: none; color: var(--ink); }
.brand .glyph { font-family: var(--mono); font-size: 14px; font-weight: 700; letter-spacing: .02em; color: #fff; background: var(--green); padding: 11px 9px; line-height: 1.05; text-align: center; }
.brand .name { display: block; font-family: var(--serif); font-size: 21px; font-weight: 600; line-height: 1.15; }
.brand .sub { display: block; font-family: var(--mono); font-size: 14px; color: var(--muted); letter-spacing: .02em; }
nav.main { display: flex; flex-wrap: wrap; gap: 4px 20px; align-items: center; }
nav.main a { font-size: 15.5px; text-decoration: none; color: var(--ink); padding: 8px 0; }
nav.main a:hover { color: var(--green); text-decoration: underline; }
nav.main a[aria-current="page"] { color: var(--green); font-weight: 600; }
nav.main .navcta { font-family: var(--mono); font-size: 14px; border: 1px solid var(--green); padding: 8px 12px; color: var(--green); }
nav.main .navcta:hover { background: var(--green); color: #fff; text-decoration: none; }

main { display: block; }
h1, h2, h3 { font-family: var(--serif); font-weight: 600; line-height: 1.14; margin: 0 0 14px; letter-spacing: -.012em; }
h1 { font-size: 46px; }
h2 { font-size: 29px; margin-top: 38px; }
h3 { font-size: 21px; margin-top: 26px; }
p { margin: 0 0 15px; }
ul, ol { margin: 0 0 16px; padding-left: 22px; }
li { margin-bottom: 7px; }
strong { font-weight: 650; }
hr { border: 0; border-top: 1px solid var(--rule); margin: 32px 0; }

/* hero */
.hero { padding: 42px 0 26px; border-bottom: 1px solid var(--rule); }
.hero .grid { display: grid; grid-template-columns: 1.55fr 1fr; gap: 48px; align-items: start; }
.hero h1 { max-width: 18ch; }
.lede { font-size: 19.5px; line-height: 1.55; max-width: 62ch; }
.priceline { font-family: var(--mono); font-size: 15px; margin: 18px 0 20px; }
.priceline b { color: var(--green); }
.btn { display: inline-block; background: var(--green); color: #fff; text-decoration: none; padding: 13px 20px; font-weight: 600; font-size: 16px; border: 1px solid var(--green); min-height: 46px; }
.btn:hover { background: var(--green-dark); color: #fff; }
.btn.ghost { background: transparent; color: var(--green); }
.btn.ghost:hover { background: var(--wash); color: var(--green-dark); }
.btnrow { display: flex; flex-wrap: wrap; gap: 10px; align-items: center; }
.trustnote { font-size: 15px; color: var(--muted); margin-top: 16px; max-width: 56ch; }

.plate { background: var(--sheet); border: 1px solid var(--rule-dark); }
.plate .phead { border-bottom: 1px solid var(--rule); padding: 12px 16px; font-family: var(--mono); font-size: 14px; letter-spacing: .08em; text-transform: uppercase; color: var(--muted); display: flex; justify-content: space-between; gap: 8px; }
.plate dl { margin: 0; }
.plate .r { display: grid; grid-template-columns: 42% 58%; gap: 10px; padding: 10px 16px; border-bottom: 1px solid var(--rule); font-size: 15px; }
.plate .r:last-child { border-bottom: 0; }
.plate dt { font-family: var(--mono); font-size: 14px; text-transform: uppercase; letter-spacing: .05em; color: var(--muted); padding-top: 2px; }
.plate dd { margin: 0; font-weight: 600; }
.tag { display: inline-block; font-family: var(--mono); font-size: 14px; letter-spacing: .05em; text-transform: uppercase; padding: 2px 6px; border: 1px solid currentColor; margin-left: 6px; vertical-align: 1px; }
.tag.est { color: var(--rust); }
.tag.textstate { color: var(--green); }

/* stage ladder */
.ladder { padding: 26px 0 8px; }
.ladder ol { display: grid; grid-template-columns: repeat(7, 1fr); list-style: none; margin: 18px 0 0; padding: 0; position: relative; }
.ladder ol::before { content: ""; position: absolute; left: 0; right: 0; top: 9px; border-top: 1px solid var(--rule-dark); }
.ladder li { position: relative; padding-top: 26px; padding-right: 10px; font-size: 14px; color: var(--muted); }
.ladder li::before { content: ""; position: absolute; top: 4px; left: 0; width: 11px; height: 11px; background: var(--paper); border: 1px solid var(--rule-dark); border-radius: 50%; }
.ladder li.now { color: var(--green-dark); font-weight: 600; }
.ladder li.now::before { background: var(--green); border-color: var(--green); box-shadow: 0 0 0 4px rgba(20,82,74,.14); }
.ladder li.est::before { background: var(--paper); border: 2px solid var(--rust); }
.ladder .code { display: block; font-family: var(--mono); font-size: 14px; letter-spacing: .03em; }

/* sections */
.band { padding: 38px 0; border-bottom: 1px solid var(--rule); }
.band h2 { margin-top: 0; }
.cols3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 26px; }
.cols3 h3 { margin-top: 0; font-size: 19px; }
.cols3 .box { border-top: 3px solid var(--green); padding-top: 14px; }
.cols3 .box.not { border-top-color: var(--rust); }
.cols3 .box.todo { border-top-color: var(--ink); }

/* field note */
.fieldnote { display: grid; grid-template-columns: 1fr 1.05fr; gap: 34px; align-items: center; padding: 36px 0; border-bottom: 1px solid var(--rule); }
.fieldnote img { width: 100%; height: 300px; object-fit: cover; display: block; border: 1px solid var(--rule-dark); }
.fieldnote .cap { font-family: var(--serif); font-size: 25px; line-height: 1.32; margin: 0 0 12px; }
.fieldnote p.small { margin: 0; }

/* contents */
.contents { width: 100%; border-collapse: collapse; font-size: 15.5px; }
.contents th, .contents td { text-align: left; padding: 9px 10px; border-bottom: 1px solid var(--rule); vertical-align: top; }
.contents th { font-family: var(--mono); font-size: 14px; letter-spacing: .07em; text-transform: uppercase; color: var(--muted); border-bottom: 1px solid var(--rule-dark); }
.contents td.code { font-family: var(--mono); font-size: 14px; white-space: nowrap; width: 72px; color: var(--green-dark); }
.contents td.state { width: 118px; font-family: var(--mono); font-size: 14px; text-transform: uppercase; letter-spacing: .04em; color: var(--muted); }
.contents tr:hover td { background: var(--wash); }
.contents a, .source a, .side a { display: inline-block; padding: 3px 0; min-height: 24px; }

/* unit page */
.unithead { padding: 34px 0 22px; border-bottom: 1px solid var(--rule); }
.crumbs { font-family: var(--mono); font-size: 14px; color: var(--muted); margin-bottom: 14px; }
.crumbs a { display: inline-block; padding: 4px 0; min-height: 24px; }
.unithead h1 { max-width: 24ch; margin-bottom: 10px; }
.facts { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1px; background: var(--rule); border: 1px solid var(--rule); margin-top: 22px; }
.facts div { background: var(--sheet); padding: 12px 14px; }
.facts .flabel { margin-bottom: 3px; }
.facts .v { font-size: 15.5px; font-weight: 600; }
.unitgrid { display: grid; grid-template-columns: 1fr 310px; gap: 46px; padding: 30px 0 44px; align-items: start; }
.unitgrid .body { max-width: 68ch; }
.unitgrid .body h2 { font-size: 24px; margin-top: 30px; }
.unitgrid .body h2:first-child { margin-top: 0; }
.side { position: sticky; top: 18px; background: var(--sheet); border: 1px solid var(--rule-dark); padding: 16px 18px; font-size: 15px; }
.side h2 { font-family: var(--mono); font-size: 14px; letter-spacing: .09em; text-transform: uppercase; color: var(--muted); margin: 0 0 10px; }
.side ul { padding-left: 18px; margin-bottom: 14px; }
.side .meta { border-top: 1px solid var(--rule); padding-top: 10px; margin-top: 4px; }
.source { background: var(--wash); border-left: 3px solid var(--green); padding: 14px 16px; font-size: 15px; margin-top: 26px; }
.source ul { margin: 6px 0; }

/* evidence table */
.ev { width: 100%; border-collapse: collapse; font-size: 15px; margin: 10px 0 18px; }
.ev th, .ev td { text-align: left; padding: 9px 10px; border-bottom: 1px solid var(--rule); vertical-align: top; }
.ev th { font-family: var(--mono); font-size: 14px; letter-spacing: .06em; text-transform: uppercase; color: var(--muted); border-bottom: 1px solid var(--rule-dark); }
.callout { border: 1px solid var(--rule-dark); border-left: 4px solid var(--rust); background: var(--sheet); padding: 16px 18px; margin: 20px 0; }
.callout p:last-child { margin-bottom: 0; }
.notheld { border: 1px solid var(--rule-dark); background: var(--wash); padding: 6px 10px; display: inline-block; font-family: var(--mono); font-size: 14px; letter-spacing: .04em; text-transform: uppercase; color: var(--rust); }

/* check */
.check { display: grid; grid-template-columns: 1fr 1fr; gap: 40px; padding: 30px 0 46px; align-items: start; }
.check fieldset { border: 1px solid var(--rule); background: var(--sheet); padding: 16px 18px; margin: 0 0 14px; }
.check legend { font-weight: 600; font-size: 16px; padding: 0 6px; }
.check .opts { display: flex; flex-wrap: wrap; gap: 6px 16px; }
.check label { display: inline-flex; align-items: center; gap: 7px; font-size: 15.5px; min-height: 32px; cursor: pointer; }
.check input { width: 24px; height: 24px; accent-color: var(--green); }
.result { position: sticky; top: 18px; background: var(--sheet); border: 1px solid var(--rule-dark); padding: 20px; }
.result h2 { margin-top: 0; font-size: 24px; }
.bandtag { display: inline-block; font-family: var(--mono); font-size: 14px; letter-spacing: .07em; text-transform: uppercase; padding: 4px 8px; color: #fff; background: var(--green); }
.bandtag.act { background: var(--rust); }
.bandtag.gap { background: #7a3b12; }
.bandtag.incomplete { background: var(--ink); }
.result ol { padding-left: 20px; }
.result .actions li { margin-bottom: 10px; }
.result .copy { margin-top: 12px; }
.copyout { width: 100%; min-height: 130px; font-family: var(--mono); font-size: 14px; padding: 10px; border: 1px solid var(--rule-dark); background: var(--paper); }

/* pricing and kit */
.plans { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; margin: 24px 0 10px; }
.plan { background: var(--sheet); border: 1px solid var(--rule-dark); padding: 22px; }
.plan.feature { border-top: 4px solid var(--green); }
.plan h2 { margin: 0 0 6px; font-size: 24px; }
.plan .price { font-family: var(--mono); font-size: 32px; font-weight: 700; color: var(--green-dark); margin: 8px 0 2px; }
.plan .per { font-family: var(--mono); font-size: 14px; color: var(--muted); }
.plan ul { padding-left: 20px; margin-top: 14px; }
.plan .btn { width: 100%; text-align: center; margin-top: 8px; }
.spec { width: 100%; border-collapse: collapse; font-size: 15px; margin: 12px 0 20px; }
.spec th, .spec td { text-align: left; padding: 8px 10px; border-bottom: 1px solid var(--rule); vertical-align: top; }
.spec th { font-family: var(--mono); font-size: 14px; text-transform: uppercase; letter-spacing: .05em; color: var(--muted); }
.spec td.num { font-family: var(--mono); white-space: nowrap; }

/* prose pages */
.prose { max-width: 74ch; padding: 34px 24px 50px; margin: 0 auto; }
.prose h1 { max-width: 20ch; }
.prose p a, .prose li a, #main p a, #main li a { display: inline-block; padding: 3px 0; min-height: 24px; }
.prose h2 { font-size: 25px; }
.prose table { width: 100%; border-collapse: collapse; font-size: 15px; margin: 14px 0 20px; }
.prose th, .prose td { text-align: left; padding: 8px 10px; border-bottom: 1px solid var(--rule); vertical-align: top; }
.prose th { font-family: var(--mono); font-size: 14px; text-transform: uppercase; letter-spacing: .05em; color: var(--muted); }

/* FAQ */
details { border-bottom: 1px solid var(--rule); padding: 13px 0; }
summary { font-weight: 600; cursor: pointer; font-size: 17px; }
summary::marker { color: var(--green); }
details p { margin: 10px 0 0; max-width: 70ch; }

/* grounding */
#grounding { background: var(--green-dark); color: #f4f1e6; padding: 34px 0; }
#grounding h2 { color: #fff; margin-top: 0; font-size: 26px; }
#grounding p { color: #e7e2d4; max-width: 72ch; }
#grounding a { color: #fff; }
.badges { display: flex; flex-wrap: wrap; gap: 8px; margin: 16px 0 6px; }
.badge { font-family: var(--mono); font-size: 14px; border: 1px solid rgba(255,255,255,.45); padding: 6px 9px; letter-spacing: .03em; }

/* footer */
footer.site { border-top: 1px solid var(--rule); padding: 36px 0 30px; background: var(--paper); }
.fgrid { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 30px; }
.fname { font-family: var(--serif); font-size: 19px; font-weight: 600; margin: 0 0 8px; }
.fgrid ul { list-style: none; padding: 0; margin: 0; }
.fgrid li { margin-bottom: 2px; font-size: 15px; }
.fgrid a { text-decoration: none; display: inline-block; padding: 4px 0; min-height: 24px; }
.fgrid a:hover { text-decoration: underline; }
.fbase a { display: inline-block; padding: 3px 0; min-height: 24px; }
.fbase { border-top: 1px solid var(--rule); margin-top: 26px; padding-top: 14px; font-size: 14px; color: var(--muted); display: flex; flex-wrap: wrap; gap: 6px 20px; }

/* account */
.acct { min-height: 60vh; }

@media (max-width: 900px) {
  .hero .grid, .check, .fieldnote, .plans, .unitgrid { grid-template-columns: 1fr; }
  .hero .grid { gap: 28px; }
  .unitgrid .side { position: static; }
  .result { position: static; }
  .cols3 { grid-template-columns: 1fr; }
  .fgrid { grid-template-columns: 1fr 1fr; }
  .ladder ol { grid-template-columns: repeat(4, 1fr); row-gap: 16px; }
  .ladder ol::before { display: none; }
  .fieldnote img { height: 240px; }
}
@media (max-width: 620px) {
  body { font-size: 16px; }
  .wrap { padding: 0 16px; }
  h1 { font-size: 32px; }
  h2 { font-size: 24px; }
  .lede { font-size: 17.5px; }
  .hero { padding-top: 28px; }
  .recordbar .wrap { display: block; }
  .recordbar span { display: block; margin: 2px 0; }
  nav.main { gap: 2px 14px; }
  nav.main a { font-size: 14.5px; padding: 7px 0; }
  .facts { grid-template-columns: 1fr; }
  .ladder ol { grid-template-columns: 1fr 1fr; }
  .fgrid { grid-template-columns: 1fr; }
  .plan .price { font-size: 28px; }
  .prose { padding: 24px 16px 40px; }
  .ev, .spec, .contents { display: block; overflow-x: auto; }
}
@media (prefers-reduced-motion: reduce) { * { transition: none !important; scroll-behavior: auto !important; } }