/* ISO 27007 Revision Checker
   Seed: "27007 audit workbench, cool slate and oxidised copper, grid paper, vertical clause rail,
   grotesque type". Palette, layout and type are derived from that seed, not from a sibling. */

:root {
  --paper: #f3f5f2;
  --panel: #fbfcfa;
  --ink: #14201f;
  --ink-soft: #41514d;
  --slate: #2f4f4a;
  --slate-deep: #203936;
  --copper: #a9502c;
  --copper-dark: #7f3a20;
  --sea: #1d6a64;
  --mist: #e3eae5;
  --rule: #b8c6c0;
  --rule-strong: #8fa39b;
  --focus: #1b5fbf;
  --white: #ffffff;
  --serif: Charter, "Bitstream Charter", "Iowan Old Style", "Palatino Linotype", Georgia, serif;
  --sans: "Avenir Next", "Helvetica Neue", "Segoe UI", Arial, sans-serif;
  --mono: ui-monospace, SFMono-Regular, Menlo, Consolas, "Liberation Mono", monospace;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body { margin: 0; background: var(--paper); color: var(--ink); font-family: var(--sans); font-size: 17px; line-height: 1.62; }
img { max-width: 100%; height: auto; display: block; }
a { color: var(--sea); text-decoration-thickness: 1px; text-underline-offset: 2px; }
main p a, main li a, .prov a, footer.site p a, footer.site li a, .stagebar a { display: inline-block; min-height: 24px; line-height: 1.5; }
a:hover { color: var(--copper); }
:focus-visible { outline: 3px solid var(--focus); outline-offset: 3px; }
h1, h2, h3, h4 { font-family: var(--sans); font-weight: 700; line-height: 1.12; letter-spacing: -0.02em; margin: 0 0 12px; }
h1 { font-size: clamp(34px, 5.1vw, 54px); }
h2 { font-size: clamp(25px, 3.2vw, 34px); }
h3 { font-size: 21px; letter-spacing: -0.01em; }
p { margin: 0 0 14px; }
p, li, td, th, label, dd, dt, summary, figcaption { font-size: max(14px, 1em); }
ul, ol { margin: 0 0 16px; padding-left: 22px; }
li { margin: 7px 0; }
strong { font-weight: 700; }
small, .small { font-size: 14px; }
.hint { font-size: 14px; line-height: 1.5; color: var(--ink-soft); }
.sr { position: absolute !important; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0; }
.skip { position: absolute; left: -999px; top: 0; background: var(--ink); color: var(--paper); padding: 10px 16px; z-index: 20; }
.skip:focus { left: 12px; top: 12px; }
.wrap { width: min(1180px, calc(100% - 48px)); margin: 0 auto; }
.wrap.narrow { width: min(860px, calc(100% - 48px)); }

/* stage bar */
.stagebar { background: var(--slate-deep); color: #e8efeb; font-family: var(--mono); font-size: 14px; letter-spacing: .04em; }
.stagebar .wrap { display: flex; gap: 18px; flex-wrap: wrap; align-items: center; padding: 9px 0; }
.stagebar b { color: #f0b08c; font-weight: 600; }
.stagebar a { color: #e8efeb; text-decoration: none; display: inline-flex; align-items: center; min-height: 24px; }
.stagebar a:hover { text-decoration: underline; }

/* masthead */
.mast { background: var(--panel); border-bottom: 1px solid var(--rule); }
.mast .wrap { display: flex; align-items: center; justify-content: space-between; gap: 20px; padding: 16px 0 12px; flex-wrap: wrap; }
.brand { display: flex; align-items: center; gap: 12px; text-decoration: none; color: var(--ink); }
.brand .glyph { width: 38px; height: 38px; border: 2px solid var(--slate); display: grid; place-items: center; font-family: var(--mono); font-size: 13px; font-weight: 700; color: var(--copper-dark); background: var(--mist); }
.brand .name { font-size: 19px; font-weight: 700; letter-spacing: -.02em; line-height: 1.15; }
.brand .sub { display: block; font-family: var(--mono); font-size: 12px; letter-spacing: .12em; text-transform: uppercase; color: var(--ink-soft); margin-top: 3px; }
nav.main { display: flex; gap: 0; flex-wrap: wrap; align-items: center; }
nav.main a { font-family: var(--sans); font-size: 14px; font-weight: 600; text-decoration: none; color: var(--ink); padding: 10px 10px; border-bottom: 2px solid transparent; min-height: 44px; display: inline-flex; align-items: center; }
nav.main a:hover { border-bottom-color: var(--copper); }
nav.main a[aria-current="page"] { border-bottom-color: var(--copper); color: var(--copper-dark); }

/* hero */
.hero { padding: 40px 0 8px; }
.hero .grid { display: grid; grid-template-columns: minmax(0, 1.55fr) minmax(300px, .85fr); gap: 42px; align-items: start; }
.kicker { font-family: var(--mono); font-size: 14px; letter-spacing: .12em; text-transform: uppercase; color: var(--copper-dark); margin: 0 0 12px; }
.hero h1 { max-width: 780px; }
.hero .lede { font-family: var(--serif); font-size: 20px; line-height: 1.55; color: #26332f; max-width: 690px; }
.hero .lede b { background: linear-gradient(transparent 62%, #e9c3ae 62%); }
.hero .facts { display: flex; gap: 18px; flex-wrap: wrap; margin: 20px 0 0; }
.fact { border-top: 2px solid var(--slate); padding-top: 8px; min-width: 120px; }
.fact .n { display: block; font-family: var(--mono); font-size: 12px; letter-spacing: .1em; text-transform: uppercase; color: var(--ink-soft); }
.fact .v { display: block; font-size: 17px; font-weight: 700; }
.aside-card { background: var(--panel); border: 1px solid var(--rule); border-top: 4px solid var(--copper); padding: 20px 22px; }
.aside-card h2 { font-size: 19px; margin-bottom: 6px; }
.aside-card dl { display: grid; grid-template-columns: 1fr auto; margin: 10px 0 0; }
.aside-card dt, .aside-card dd { margin: 0; padding: 9px 0; border-top: 1px solid var(--rule); font-size: 15px; }
.aside-card dt { color: var(--ink-soft); }
.aside-card dd { text-align: right; font-weight: 700; font-family: var(--mono); font-size: 14px; }
.chip { display: inline-flex; align-items: center; gap: 6px; font-family: var(--mono); font-size: 12px; letter-spacing: .06em; text-transform: uppercase; border: 1px solid var(--rule-strong); padding: 4px 8px; color: var(--ink-soft); background: var(--mist); }
.chip.live { border-color: var(--sea); color: var(--sea); background: #e6f1ee; }
.chip.draft { border-color: var(--copper); color: var(--copper-dark); background: #f7e8e0; }
.chip.new { border-color: var(--copper); color: var(--white); background: var(--copper); }

/* buttons */
.btn, button.btn { display: inline-flex; align-items: center; justify-content: center; min-height: 46px; padding: 12px 20px; background: var(--slate); color: var(--paper); border: 1px solid var(--slate); border-radius: 0; font-family: var(--sans); font-size: 15px; font-weight: 700; text-decoration: none; cursor: pointer; }
.btn:hover { background: var(--copper); border-color: var(--copper); color: #fff; }
.btn.ghost { background: transparent; color: var(--ink); border-color: var(--rule-strong); }
.btn.ghost:hover { border-color: var(--ink); background: var(--panel); color: var(--ink); }
.btn.copper { background: var(--copper); border-color: var(--copper); color: #fff; }
.btn.copper:hover { background: var(--copper-dark); border-color: var(--copper-dark); }
.btn.small { min-height: 38px; padding: 8px 14px; font-size: 14px; }

/* photo band */
.photoband { margin: 28px 0 0; border: 1px solid var(--rule); background: var(--mist); }
.photoband img { width: 100%; height: clamp(220px, 32vw, 360px); object-fit: cover; }
.photoband figcaption { background: var(--slate-deep); color: #eef4f0; padding: 14px 18px; font-size: 15px; line-height: 1.55; }
.photoband figcaption b { color: #f0b08c; }

/* section grid */
section.block { padding: 8px 0 4px; }
.grid2 { display: grid; grid-template-columns: 180px minmax(0, 1fr); gap: 28px; align-items: start; }
.grid2 > .label { font-family: var(--mono); font-size: 14px; letter-spacing: .1em; text-transform: uppercase; color: var(--copper-dark); border-top: 2px solid var(--slate); padding-top: 10px; position: sticky; top: 12px; }
.grid2 > .content h2 { margin-top: 0; }
.section-rule { border: 0; border-top: 1px solid var(--rule); margin: 34px 0; }

/* panels and cards */
.panel { background: var(--panel); border: 1px solid var(--rule); padding: 22px 24px; }
.panel.tight { padding: 16px 18px; }
.panel h2, .panel h3 { margin-top: 0; }
.cards { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 16px; }
.card { background: var(--panel); border: 1px solid var(--rule); border-top: 3px solid var(--slate); padding: 18px 18px 16px; }
.card .n { font-family: var(--mono); font-size: 13px; letter-spacing: .12em; text-transform: uppercase; color: var(--copper-dark); }
.card h3 { font-size: 18px; margin: 6px 0 6px; }
.card p { font-size: 15px; color: #2c3a36; }
.card a { font-weight: 700; }

/* comparison */
.compare { display: grid; grid-template-columns: 1fr 1fr; gap: 0; border: 1px solid var(--rule); background: var(--panel); }
.compare > div { padding: 18px 20px; }
.compare > div + div { border-left: 1px solid var(--rule); background: #f7f4ef; }
.compare h3 { font-size: 16px; margin: 0 0 8px; font-family: var(--mono); letter-spacing: .08em; text-transform: uppercase; color: var(--ink-soft); }
.compare ul { margin: 0; padding-left: 18px; font-size: 15px; }

/* tables */
.tablewrap { overflow-x: auto; border: 1px solid var(--rule); background: var(--panel); }
table.records { width: 100%; border-collapse: collapse; font-size: 15px; }
table.records caption { text-align: left; padding: 10px 12px; font-family: var(--mono); font-size: 12px; letter-spacing: .1em; text-transform: uppercase; color: var(--ink-soft); border-bottom: 1px solid var(--rule); }
table.records th { text-align: left; font-family: var(--sans); font-size: 14px; letter-spacing: .04em; text-transform: uppercase; color: var(--ink-soft); background: var(--mist); padding: 10px 12px; border-bottom: 1px solid var(--rule-strong); white-space: nowrap; position: sticky; top: 0; z-index: 1; }
table.records td { padding: 11px 12px; border-bottom: 1px solid var(--rule); vertical-align: top; }
table.records tr:last-child td { border-bottom: 0; }
table.records tr:hover td { background: #eef3ef; }
table.records .code { font-family: var(--mono); font-weight: 700; white-space: nowrap; }
table.records a { font-weight: 700; display: inline-block; min-height: 24px; line-height: 1.5; }
.filters { display: flex; gap: 10px; flex-wrap: wrap; margin: 0 0 12px; }
.filters label { font-size: 14px; font-weight: 700; }
.filters input, .filters select { font: inherit; font-size: 15px; padding: 8px 10px; border: 1px solid var(--rule-strong); background: var(--panel); min-height: 44px; }
.filters input { min-width: 220px; }

/* timeline */
.timeline { list-style: none; padding: 0; margin: 10px 0 0; border-left: 2px solid var(--rule-strong); }
.timeline li { position: relative; padding: 0 0 18px 22px; margin: 0; }
.timeline li::before { content: ""; position: absolute; left: -7px; top: 6px; width: 12px; height: 12px; background: var(--panel); border: 2px solid var(--slate); }
.timeline li.now::before { background: var(--copper); border-color: var(--copper); }
.timeline .when { font-family: var(--mono); font-size: 14px; letter-spacing: .06em; color: var(--copper-dark); }
.timeline .what { font-weight: 700; }

/* unit page */
.unit { display: grid; grid-template-columns: 240px minmax(0, 1fr); gap: 34px; align-items: start; padding: 26px 0 10px; }
.rail { position: sticky; top: 12px; border-top: 3px solid var(--slate); padding-top: 10px; }
.rail .k { font-family: var(--mono); font-size: 12px; letter-spacing: .12em; text-transform: uppercase; color: var(--ink-soft); margin-bottom: 8px; }
.rail ol { list-style: none; padding: 0; margin: 0; max-height: 66vh; overflow: auto; }
.rail li { margin: 0; }
.rail a { display: block; padding: 6px 8px; font-size: 14px; text-decoration: none; color: var(--ink-soft); border-left: 2px solid transparent; }
.rail a:hover { color: var(--ink); background: var(--mist); }
.rail a[aria-current="page"] { color: var(--copper-dark); border-left-color: var(--copper); font-weight: 700; background: #f7ebe4; }
.rail .g { font-family: var(--mono); font-size: 12px; letter-spacing: .1em; text-transform: uppercase; color: var(--rule-strong); padding: 12px 8px 4px; }
.unitlead { border-bottom: 1px solid var(--rule); padding-bottom: 16px; margin-bottom: 22px; }
.unitlead .cite { font-family: var(--mono); font-size: 13.5px; color: var(--ink-soft); }
.unitlead h1 { margin: 8px 0 10px; font-size: clamp(30px, 4vw, 44px); }
.unitlead .answer { font-family: var(--serif); font-size: 19px; line-height: 1.55; color: #26332f; }
.meta { display: flex; gap: 10px; flex-wrap: wrap; margin: 12px 0 0; }
.prose h2 { font-size: 24px; margin: 34px 0 10px; padding-top: 8px; border-top: 1px solid var(--rule); }
.prose h2:first-child { border-top: 0; padding-top: 0; margin-top: 0; }
.prose h3 { font-size: 18px; margin: 20px 0 6px; }
.prose p { font-family: var(--serif); font-size: 17.5px; line-height: 1.64; }
.prose li { font-family: var(--serif); font-size: 17px; }
.sourcebox { background: var(--mist); border-left: 4px solid var(--sea); padding: 14px 16px; font-size: 14.5px; margin: 26px 0 0; }
.sourcebox b { display: block; font-family: var(--mono); font-size: 11.5px; letter-spacing: .1em; text-transform: uppercase; color: var(--sea); margin-bottom: 4px; }
.pager { display: flex; justify-content: space-between; gap: 14px; border-top: 1px solid var(--rule); margin-top: 30px; padding-top: 16px; }
.pager a { font-weight: 700; max-width: 48%; }
.gaps li { color: #5a2a17; }
.evidence li { margin: 8px 0; }
.evidence .cat { font-family: var(--mono); font-size: 12px; letter-spacing: .08em; text-transform: uppercase; color: var(--copper-dark); display: block; }

/* forms */
form.check { background: var(--panel); border: 1px solid var(--rule); border-top: 4px solid var(--copper); padding: 20px 22px; }
fieldset { border: 0; padding: 0; margin: 0; }
legend { font-weight: 700; font-size: 18px; margin-bottom: 4px; }
.field { margin: 0 0 18px; }
.field label { display: block; font-weight: 700; font-size: 15px; margin-bottom: 4px; }
.field .hint { margin: 0 0 6px; }
.field select, .field input { width: 100%; font: inherit; font-size: 16px; padding: 10px 12px; border: 1px solid var(--rule-strong); background: #fff; min-height: 46px; }
.error-summary { border: 2px solid #9b2f1c; background: #fbe9e4; padding: 14px 16px; margin: 0 0 18px; }
.error-summary h2 { font-size: 18px; margin: 0 0 6px; }
.error-summary a { color: #7f2414; font-weight: 700; }
.field.bad input, .field.bad select { border-color: #9b2f1c; border-width: 2px; }
.result { background: var(--panel); border: 1px solid var(--rule); border-top: 4px solid var(--sea); padding: 20px 22px; margin-top: 18px; }
.result h2 { margin-top: 0; }
.result .verdict { font-size: 15px; font-weight: 700; font-family: var(--mono); letter-spacing: .06em; text-transform: uppercase; color: var(--sea); }
.result ul { margin: 10px 0 0; }
.fade { animation: fadeIn .18s ease-out; }
@keyframes fadeIn { from { opacity: 0; transform: translateY(4px); } to { opacity: 1; transform: none; } }
@media (prefers-reduced-motion: reduce) { .fade { animation: none; } html { scroll-behavior: auto; } }

/* pricing */
.plans { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 16px; align-items: stretch; }
.plan { background: var(--panel); border: 1px solid var(--rule); padding: 20px 20px 18px; display: flex; flex-direction: column; }
.plan.feature { border-top: 4px solid var(--copper); }
.plan .n { font-family: var(--mono); font-size: 12px; letter-spacing: .12em; text-transform: uppercase; color: var(--copper-dark); }
.plan .price { font-size: 34px; font-weight: 700; letter-spacing: -.03em; margin: 6px 0 0; }
.plan .per { font-size: 14px; color: var(--ink-soft); margin-bottom: 10px; }
.plan ul { padding-left: 18px; font-size: 15px; flex: 1; }
.plan .btn { margin-top: 12px; }

/* faq */
.faq details { border-top: 1px solid var(--rule); padding: 13px 0; }
.faq details:last-child { border-bottom: 1px solid var(--rule); }
.faq summary { cursor: pointer; font-weight: 700; font-size: 17px; }
.faq summary:hover { color: var(--copper-dark); }
.faq p { margin: 10px 0 0; font-family: var(--serif); }

/* provenance / grounding */
.band { background: var(--slate-deep); color: #e9f1ec; padding: 30px 0; margin-top: 40px; }
.band h2 { color: #fff; }
.band a { color: #f0b08c; }
.band .badges { display: flex; gap: 10px; flex-wrap: wrap; margin: 12px 0 0; }
.band .badge { border: 1px solid #5d7a72; padding: 6px 10px; font-family: var(--mono); font-size: 12px; letter-spacing: .04em; }
.prov { background: var(--mist); border-left: 4px solid var(--copper); padding: 14px 16px; font-size: 14.5px; margin: 18px 0 0; }
.prov b { font-family: var(--mono); font-size: 12px; letter-spacing: .1em; text-transform: uppercase; color: var(--copper-dark); display: block; margin-bottom: 4px; }

/* footer */
footer.site { border-top: 3px solid var(--slate); background: var(--panel); margin-top: 46px; padding: 28px 0 34px; font-size: 14px; }
footer.site .cols { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1fr; gap: 26px; }
footer.site h2 { font-family: var(--mono); font-size: 12px; letter-spacing: .12em; text-transform: uppercase; color: var(--ink-soft); margin: 0 0 8px; }
footer.site ul { list-style: none; padding: 0; margin: 0; }
footer.site li { margin: 5px 0; }
footer.site a { text-decoration: none; color: var(--ink); }
footer.site a:hover { color: var(--copper); text-decoration: underline; }
footer.site .fine { border-top: 1px solid var(--rule); margin-top: 22px; padding-top: 16px; color: var(--ink-soft); font-size: 14px; }
footer.site .fine p { margin: 0 0 8px; }

/* utility */
.row { display: flex; gap: 12px; flex-wrap: wrap; align-items: center; }
.mt0 { margin-top: 0; } .mt1 { margin-top: 12px; } .mt2 { margin-top: 24px; } .mt3 { margin-top: 36px; }
.nowrap { white-space: nowrap; }
.center { text-align: center; }
.stat { display: flex; gap: 26px; flex-wrap: wrap; }
.stat div { border-left: 3px solid var(--copper); padding-left: 12px; }
.stat .n { font-size: 28px; font-weight: 700; letter-spacing: -.03em; }
.stat .l { font-size: 13px; color: var(--ink-soft); }

@media (max-width: 980px) {
  .hero .grid, .grid2, .unit { grid-template-columns: 1fr; }
  .grid2 > .content, .unit > article { min-width: 0; }
  .cards, .plans { grid-template-columns: 1fr; }
  .compare { grid-template-columns: 1fr; }
  .compare > div + div { border-left: 0; border-top: 1px solid var(--rule); }
  .rail { position: static; }
  .rail ol { max-height: 220px; display: block; overflow: auto; padding-bottom: 6px; }
  .rail li { flex: none; }
  .rail .g { display: none; }
  footer.site .cols { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 768px) {
  .rail { display: none; }
}
@media (max-width: 620px) {
  .wrap, .wrap.narrow { width: min(100% - 32px, 1180px); }
  .tablewrap { max-width: 100%; }
  table.records th, table.records td { white-space: normal; overflow-wrap: anywhere; }
  body { font-size: 16px; }
  .hero { padding-top: 26px; }
  .hero .grid { gap: 24px; }
  .stagebar .wrap { gap: 10px; font-size: 12px; }
  nav.main a { padding: 10px 7px; font-size: 13.5px; }
  .filters input { min-width: 0; width: 100%; }
  .pager { flex-direction: column; }
  .pager a { max-width: 100%; }
  footer.site .cols { grid-template-columns: 1fr; }
}
@media print {
  .stagebar, nav.main, .rail, .pager, footer.site .cols, .btn { display: none !important; }
  body { background: #fff; color: #000; font-size: 11pt; }
  .unit { display: block; }
  .prose p, .prose li { font-size: 11pt; }
  a { color: #000; text-decoration: none; }
  .sourcebox { border-left: 2px solid #000; background: #fff; }
}