@font-face {
  font-family: "Source Sans 3";
  font-style: normal;
  font-weight: 200 900;
  font-display: swap;
  src: url("/assets/fonts/source-sans-3-latin.woff2") format("woff2");
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}

@font-face {
  font-family: "Source Sans 3";
  font-style: normal;
  font-weight: 200 900;
  font-display: swap;
  src: url("/assets/fonts/source-sans-3-latin-ext.woff2") format("woff2");
  unicode-range: U+0100-02BA, U+02BD-02C5, U+02C7-02CC, U+02CE-02D7, U+02DD-02FF, U+0304, U+0308, U+0329, U+1D00-1DBF, U+1E00-1E9F, U+1EF2-1EFF, U+2020, U+20A0-20AB, U+20AD-20C0, U+2113, U+2C60-2C7F, U+A720-A7FF;
}

@font-face {
  font-family: "Source Serif 4";
  font-style: normal;
  font-weight: 200 900;
  font-display: swap;
  src: url("/assets/fonts/source-serif-4-latin.woff2") format("woff2");
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}

@font-face {
  font-family: "Source Serif 4";
  font-style: normal;
  font-weight: 200 900;
  font-display: swap;
  src: url("/assets/fonts/source-serif-4-latin-ext.woff2") format("woff2");
  unicode-range: U+0100-02BA, U+02BD-02C5, U+02C7-02CC, U+02CE-02D7, U+02DD-02FF, U+0304, U+0308, U+0329, U+1D00-1DBF, U+1E00-1E9F, U+1EF2-1EFF, U+2020, U+20A0-20AB, U+20AD-20C0, U+2113, U+2C60-2C7F, U+A720-A7FF;
}

:root {
  --navy: #253952;
  --navy-deep: #1d3047;
  --blue: #8fa8c2;
  --blue-pale: #ebf0f6;
  --ink: #404448;
  --muted: #6f7478;
  --paper: #ffffff;
  --surface: #fafaf8;
  --soft: #f3f3f1;
  --line: #dfe2e3;
  --line-dark: #bfc6cb;
  --positive: #2f6a50;
  --negative: #8a3e3e;
  --amber: #876715;
  --shadow: 0 18px 50px rgba(28, 47, 70, 0.09);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: "Source Sans 3", Arial, sans-serif;
  font-size: 16px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}
a { color: inherit; text-decoration: none; }
img { display: block; max-width: 100%; }
button, input, select { font: inherit; }
a:focus-visible, button:focus-visible, input:focus-visible, select:focus-visible, summary:focus-visible {
  outline: 3px solid rgba(143, 168, 194, .55);
  outline-offset: 3px;
}
.skip-link {
  position: fixed;
  z-index: 100;
  top: 10px;
  left: 10px;
  padding: 10px 16px;
  background: var(--navy);
  color: white;
  transform: translateY(-160%);
}
.skip-link:focus { transform: translateY(0); }
.shell { width: min(1400px, calc(100% - 96px)); margin-inline: auto; }
.measure { max-width: 780px; }
.muted { color: var(--muted); }
.eyebrow {
  margin: 0 0 12px;
  color: var(--navy);
  font-size: 12px;
  font-weight: 720;
  letter-spacing: .11em;
  text-transform: uppercase;
}
.eyebrow.light { color: #d9e4ef; }
.kicker {
  display: inline-flex;
  align-items: center;
  min-height: 27px;
  padding: 3px 10px;
  border: 1px solid var(--line-dark);
  color: var(--navy);
  background: rgba(255,255,255,.82);
  font-size: 11px;
  font-weight: 680;
  letter-spacing: .07em;
  text-transform: uppercase;
}
.site-header {
  position: relative;
  z-index: 30;
  background: #fff;
  border-bottom: 1px solid var(--line);
}
.masthead {
  position: relative;
  isolation: isolate;
  min-height: 126px;
  display: grid;
  grid-template-columns: 1fr minmax(400px, 500px) 1fr;
  gap: 42px;
  align-items: center;
}
.masthead::before {
  content: "";
  position: absolute;
  z-index: -1;
  top: 0;
  bottom: 0;
  left: 50%;
  width: 100vw;
  transform: translateX(-50%);
  clip-path: polygon(30% 0, 74% 0, 65% 100%, 22% 100%);
  background: linear-gradient(180deg, var(--blue-pale), #fff);
}
.edition-meta { display: grid; gap: 5px; color: var(--navy); }
.edition-meta span:first-child { font-size: 11px; font-weight: 760; letter-spacing: .09em; text-transform: uppercase; }
.edition-meta span:last-child { color: var(--muted); font-size: 13px; }
.brand { justify-self: center; width: min(475px, 100%); }
.header-action { justify-self: end; display: flex; gap: 16px; align-items: center; }
.header-action a {
  min-height: 46px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 10px 22px;
  background: var(--navy);
  color: white;
  font-size: 11px;
  font-weight: 690;
  letter-spacing: .07em;
  text-transform: uppercase;
}
.header-action a:hover { background: var(--navy-deep); }
.primary-nav { border-top: 1px solid var(--line); box-shadow: 0 2px 5px rgba(0,0,0,.025); }
.nav-row { min-height: 62px; display: flex; align-items: stretch; justify-content: center; gap: clamp(28px, 4vw, 68px); }
.nav-row a {
  position: relative;
  display: flex;
  align-items: center;
  color: var(--navy);
  font-size: 11px;
  font-weight: 620;
  letter-spacing: .055em;
  text-transform: uppercase;
}
.nav-row a::after { content: ""; position: absolute; left: 0; right: 100%; bottom: 0; height: 3px; background: var(--navy); transition: right .18s ease; }
.nav-row a:hover::after, .nav-row a[aria-current="page"]::after { right: 0; }
.mobile-menu { display: none; }

.hero {
  position: relative;
  overflow: hidden;
  min-height: 640px;
  border-bottom: 1px solid var(--line);
  background: linear-gradient(118deg, #fff 0 55%, #edf2f6 55% 100%);
}
.hero::after {
  content: "";
  position: absolute;
  inset: 0 0 0 51%;
  background: linear-gradient(150deg, transparent 0 32%, rgba(143,168,194,.22) 32% 61%, transparent 61%);
  pointer-events: none;
}
.hero-grid { position: relative; z-index: 1; min-height: 640px; display: grid; grid-template-columns: 1.07fr .93fr; gap: clamp(70px, 10vw, 150px); align-items: center; padding-block: 96px; }
.hero h1, .page-hero h1, .section-heading h2 {
  color: var(--navy);
  font-family: "Source Serif 4", Georgia, serif;
  font-weight: 430;
  letter-spacing: -.035em;
}
.hero h1 { margin: 0; max-width: 820px; font-size: clamp(58px, 6vw, 90px); line-height: .98; }
.hero h1 span { display: block; color: var(--blue); }
.hero-copy > p:not(.eyebrow) { max-width: 700px; margin: 30px 0 0; color: #51575b; font-size: 20px; line-height: 1.55; }
.hero-card {
  position: relative;
  padding: 42px;
  border: 1px solid rgba(37,57,82,.2);
  background: rgba(255,255,255,.92);
  box-shadow: var(--shadow);
}
.hero-card::before { content: ""; position: absolute; top: 0; left: 0; width: 88px; height: 5px; background: var(--blue); }
.hero-card h2 { margin: 0 0 18px; color: var(--navy); font: 540 30px/1.16 "Source Serif 4", Georgia, serif; }
.hero-card p { margin: 0 0 28px; color: var(--muted); }
.status-line { border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.status-line div { min-height: 46px; display: grid; grid-template-columns: 135px 1fr; align-items: center; gap: 16px; font-size: 13px; }
.status-line div + div { border-top: 1px solid var(--line); }
.status-line span { color: var(--muted); }
.status-line strong { color: var(--navy); font-weight: 650; }
.text-link { display: inline-flex; align-items: center; gap: 12px; margin-top: 27px; color: var(--navy); font-size: 12px; font-weight: 720; letter-spacing: .06em; text-transform: uppercase; }
.text-link::after { content: "→"; font-size: 18px; font-weight: 400; }
.text-link:hover { text-decoration: underline; text-underline-offset: 4px; }

.principles { background: var(--navy); color: white; }
.principle-grid { display: grid; grid-template-columns: repeat(4, 1fr); }
.principle-grid article { min-height: 190px; padding: 38px 32px; border-left: 1px solid rgba(255,255,255,.2); }
.principle-grid article:last-child { border-right: 1px solid rgba(255,255,255,.2); }
.principle-grid strong { display: block; margin-bottom: 14px; color: #fff; font-family: "Source Serif 4", Georgia, serif; font-size: 25px; font-weight: 480; }
.principle-grid p { margin: 0; color: #d9e1e8; font-size: 14px; }

.section { padding-block: 100px; }
.section.soft { background: var(--surface); }
.section.navy { background: var(--navy); color: white; }
.section-heading { display: grid; grid-template-columns: .68fr 1.32fr; gap: 70px; align-items: end; margin-bottom: 52px; }
.section-heading h2 { margin: 0; max-width: 800px; font-size: clamp(42px, 4.2vw, 62px); line-height: 1.04; }
.section-heading > p { max-width: 660px; justify-self: end; margin: 0; color: var(--muted); font-size: 18px; }
.navy .section-heading h2 { color: white; }
.navy .section-heading > p { color: #d4dde6; }
.domain-grid { display: grid; grid-template-columns: repeat(3, 1fr); border-top: 1px solid var(--line); border-left: 1px solid var(--line); }
.domain-grid article { min-height: 235px; padding: 34px 32px; background: white; border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.domain-grid .number { display: block; color: var(--blue); font: 650 13px/1 "Source Sans 3", Arial, sans-serif; letter-spacing: .08em; }
.domain-grid h3 { margin: 28px 0 12px; color: var(--navy); font: 520 25px/1.18 "Source Serif 4", Georgia, serif; }
.domain-grid p { margin: 0; color: var(--muted); font-size: 14px; }
.process-grid { display: grid; grid-template-columns: repeat(5, 1fr); border-top: 1px solid rgba(255,255,255,.28); border-bottom: 1px solid rgba(255,255,255,.28); }
.process-grid article { min-height: 205px; padding: 32px 28px; border-left: 1px solid rgba(255,255,255,.23); }
.process-grid article:last-child { border-right: 1px solid rgba(255,255,255,.23); }
.process-grid span { color: #aec0d3; font-size: 12px; font-weight: 700; letter-spacing: .08em; }
.process-grid h3 { margin: 30px 0 10px; color: white; font: 500 23px/1.15 "Source Serif 4", Georgia, serif; }
.process-grid p { margin: 0; color: #d4dde6; font-size: 13px; }
.compact-process { grid-template-columns: repeat(4, 1fr); }
.public-process { border-color: var(--line); }
.public-process article { border-color: var(--line); background: #fff; }
.public-process article:last-child { border-color: var(--line); }
.public-process span { color: var(--blue); }
.public-process h3 { color: var(--navy); }
.public-process p { color: var(--muted); }
.callout { display: grid; grid-template-columns: 1.2fr .8fr; gap: 80px; align-items: center; padding: 55px 60px; background: var(--blue-pale); border-left: 6px solid var(--blue); }
.callout h2 { margin: 0; color: var(--navy); font: 470 clamp(34px, 3.3vw, 50px)/1.08 "Source Serif 4", Georgia, serif; letter-spacing: -.025em; }
.callout p { margin: 0; color: #56616a; font-size: 17px; }

.page-hero { position: relative; overflow: hidden; padding-block: 92px 80px; background: linear-gradient(125deg, #fff 0 59%, var(--blue-pale) 59%); border-bottom: 1px solid var(--line); }
.page-hero::after { content: ""; position: absolute; top: -70%; right: 5%; width: 330px; height: 660px; transform: rotate(37deg); background: rgba(143,168,194,.2); }
.page-hero .shell { position: relative; z-index: 1; }
.page-hero h1 { margin: 0; max-width: 990px; font-size: clamp(50px, 5.2vw, 78px); line-height: 1.02; }
.page-hero .lead { max-width: 850px; margin: 28px 0 0; color: #555d63; font-size: 20px; }
.metadata-band { border-bottom: 1px solid var(--line); background: #fff; }
.metadata-grid { display: grid; grid-template-columns: repeat(6, 1fr); }
.metadata-grid div { min-height: 102px; padding: 23px 20px; border-left: 1px solid var(--line); }
.metadata-grid div:last-child { border-right: 1px solid var(--line); }
.metadata-grid dt { color: var(--muted); font-size: 10px; font-weight: 720; letter-spacing: .08em; text-transform: uppercase; }
.metadata-grid dd { margin: 10px 0 0; color: var(--navy); font-size: 14px; font-weight: 630; line-height: 1.35; }
.short-meta { grid-template-columns: repeat(4, 1fr); }
.decision-strip { display: grid; grid-template-columns: repeat(3, 1fr); margin-bottom: 34px; border: 1px solid var(--line-dark); }
.decision-strip article { min-height: 112px; display: grid; align-content: center; gap: 8px; padding: 22px 25px; background: #fff; }
.decision-strip article + article { border-left: 1px solid var(--line); }
.decision-strip strong { color: var(--navy); font-size: 12px; letter-spacing: .08em; }
.decision-strip span { color: var(--muted); font-size: 14px; line-height: 1.35; }
.decision-strip article:first-child { box-shadow: inset 0 4px 0 var(--positive); }
.decision-strip article:nth-child(2) { box-shadow: inset 0 4px 0 var(--negative); }
.decision-strip article:last-child { box-shadow: inset 0 4px 0 var(--amber); }
.standard-jump { display: flex; flex-wrap: wrap; align-items: center; gap: 8px; margin: 0 0 54px; }
.standard-jump strong { margin-right: 6px; color: var(--navy); font-size: 12px; letter-spacing: .06em; text-transform: uppercase; }
.standard-jump a { padding: 7px 11px; border: 1px solid var(--line); color: #5b6267; background: var(--surface); font-size: 12px; }
.standard-jump a:hover { border-color: var(--navy); color: var(--navy); }
.content-layout { display: grid; grid-template-columns: 250px minmax(0, 1fr); gap: 70px; align-items: start; }
.toc { position: sticky; top: 24px; border-top: 3px solid var(--navy); }
.toc strong { display: block; padding: 17px 0 11px; color: var(--navy); font-size: 11px; letter-spacing: .09em; text-transform: uppercase; }
.toc a { display: block; padding: 10px 0; border-top: 1px solid var(--line); color: #5f676c; font-size: 13px; line-height: 1.3; }
.toc a:hover { color: var(--navy); }
.document-section { padding: 0 0 78px; scroll-margin-top: 24px; }
.document-section + .document-section { padding-top: 72px; border-top: 1px solid var(--line); }
.document-section h2 { margin: 0 0 22px; color: var(--navy); font: 500 clamp(32px, 3vw, 45px)/1.08 "Source Serif 4", Georgia, serif; letter-spacing: -.022em; }
.document-section h3 { margin: 34px 0 15px; color: var(--navy); font: 560 24px/1.2 "Source Serif 4", Georgia, serif; }
.document-section > p, .document-section .intro { max-width: 900px; color: #555b60; font-size: 17px; }
.rule-banner { display: grid; grid-template-columns: 130px 1fr; margin: 30px 0; border: 1px solid var(--line-dark); background: #fff; }
.rule-banner strong { display: grid; place-items: center; padding: 24px; background: var(--navy); color: white; font-size: 12px; letter-spacing: .08em; text-transform: uppercase; }
.rule-banner p { margin: 0; padding: 24px 28px; color: #454c51; font-size: 17px; font-weight: 560; }
.table-wrap { width: 100%; margin: 28px 0 12px; overflow-x: auto; border: 1px solid var(--line-dark); }
table { width: 100%; border-collapse: collapse; background: #fff; font-size: 14px; }
caption { padding: 15px 18px; text-align: left; background: var(--navy); color: white; font-weight: 670; letter-spacing: .025em; }
th { padding: 13px 15px; background: var(--soft); color: var(--navy); text-align: left; font-size: 11px; font-weight: 750; letter-spacing: .065em; text-transform: uppercase; vertical-align: bottom; }
td { padding: 15px; border-top: 1px solid var(--line); color: #4b5257; vertical-align: top; line-height: 1.42; }
th + th, td + td { border-left: 1px solid var(--line); }
tbody tr:hover td { background: #fbfcfd; }
.criteria-table th:first-child { width: 80px; }
.criteria-table th:nth-child(2) { width: 25%; }
.criteria-table th:nth-child(3) { width: 37%; }
.criteria-table td:first-child { color: var(--navy); font-weight: 720; white-space: nowrap; }
.check-table th:first-child { width: 68px; }
.check-table th:nth-child(2) { width: 27%; }
.check-table th:nth-child(3) { width: 32%; }
.check-table td:first-child { color: var(--navy); font-weight: 760; white-space: nowrap; }
.simple-standard > .eyebrow { margin-bottom: 10px; }
.definition-table th:first-child { width: 25%; }
.status-chip { display: inline-flex; min-height: 25px; align-items: center; padding: 3px 9px; background: var(--blue-pale); color: var(--navy); font-size: 11px; font-weight: 700; letter-spacing: .05em; text-transform: uppercase; white-space: nowrap; }
.note { margin: 22px 0; padding: 20px 23px; background: var(--surface); border-left: 4px solid var(--blue); color: #596168; font-size: 14px; }
.number-list { list-style: none; margin: 30px 0 0; padding: 0; border-top: 1px solid var(--line); }
.number-list li { display: grid; grid-template-columns: 62px 1fr; gap: 24px; padding: 24px 0; border-bottom: 1px solid var(--line); }
.number-list span { color: var(--blue); font-size: 13px; font-weight: 750; letter-spacing: .08em; }
.number-list strong { display: block; margin-bottom: 5px; color: var(--navy); font-size: 17px; }
.number-list p { margin: 0; color: var(--muted); font-size: 14px; }
.cards-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 24px; margin-top: 32px; }
.cards-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; margin-top: 32px; }
.info-card { padding: 30px; border: 1px solid var(--line); background: white; }
.info-card h3 { margin: 0 0 11px; color: var(--navy); font: 550 24px/1.18 "Source Serif 4", Georgia, serif; }
.info-card p { margin: 0; color: var(--muted); font-size: 14px; }
.info-card .large-number { display: block; margin-bottom: 18px; color: var(--blue); font: 480 44px/1 "Source Serif 4", Georgia, serif; }
.empty-state { display: grid; grid-template-columns: .8fr 1.2fr; min-height: 380px; border: 1px solid var(--line-dark); background: #fff; }
.empty-state .marker { display: grid; place-items: center; min-height: 280px; background: var(--blue-pale); }
.empty-state .marker img { width: 150px; }
.empty-state .copy { align-self: center; padding: 55px; }
.empty-state h2 { margin: 0 0 18px; color: var(--navy); font: 500 38px/1.08 "Source Serif 4", Georgia, serif; }
.empty-state p { margin: 0; max-width: 700px; color: var(--muted); font-size: 17px; }
.directory-controls { display: grid; grid-template-columns: 1fr 240px 160px; gap: 0; margin: 36px 0 30px; border: 1px solid var(--line-dark); }
.directory-controls input, .directory-controls select { min-height: 58px; padding: 0 18px; border: 0; border-right: 1px solid var(--line); background: white; color: var(--ink); }
.directory-controls button { border: 0; background: var(--navy); color: white; font-size: 11px; font-weight: 700; letter-spacing: .07em; text-transform: uppercase; }
.source-list { border-top: 2px solid var(--navy); }
.source-item { display: grid; grid-template-columns: 175px 1fr 110px; gap: 30px; padding: 24px 0; border-bottom: 1px solid var(--line); align-items: start; }
.source-item span { color: var(--muted); font-size: 12px; font-weight: 650; letter-spacing: .06em; text-transform: uppercase; }
.source-item strong { display: block; color: var(--navy); font-size: 17px; }
.source-item p { margin: 7px 0 0; color: var(--muted); font-size: 14px; }
.source-item a { justify-self: end; color: var(--navy); font-size: 12px; font-weight: 700; text-decoration: underline; text-underline-offset: 3px; }
.source-link { color: var(--navy); font-weight: 700; text-decoration: underline; text-underline-offset: 3px; }
.contact-box { padding: 35px; border: 1px solid var(--line-dark); background: var(--surface); }
.contact-box h3 { margin-top: 0; }
.contact-box a { color: var(--navy); font-weight: 650; text-decoration: underline; text-underline-offset: 3px; }

.site-footer { border-top: 1px solid var(--line); background: linear-gradient(145deg, #fff 0 48%, var(--blue-pale) 100%); }
.footer-main { display: grid; grid-template-columns: 1.1fr .65fr .65fr; gap: 80px; padding-block: 72px 58px; }
.footer-brand img { width: min(350px, 100%); }
.footer-brand p { max-width: 440px; margin: 23px 0 0; color: var(--muted); font-size: 13px; }
.footer-column strong { display: block; margin-bottom: 15px; color: var(--navy); font-size: 11px; font-weight: 750; letter-spacing: .09em; text-transform: uppercase; }
.footer-column a { display: block; margin: 9px 0; color: #535a5f; font-size: 13px; }
.footer-column a:hover { color: var(--navy); text-decoration: underline; text-underline-offset: 3px; }
.footer-disclaimer { max-width: 1000px; padding: 23px 0 35px; border-top: 1px solid var(--line-dark); color: #676e72; font-size: 11px; line-height: 1.6; }
.footer-legal { display: flex; justify-content: space-between; gap: 30px; padding-block: 19px 28px; border-top: 1px solid var(--line); color: var(--muted); font-size: 10px; }
.print-action { display: inline-flex; min-height: 42px; align-items: center; padding: 8px 16px; border: 1px solid var(--line-dark); background: white; color: var(--navy); cursor: pointer; font-size: 11px; font-weight: 700; letter-spacing: .06em; text-transform: uppercase; }
.print-action:hover { background: var(--soft); }

@media (max-width: 1120px) {
  .shell { width: min(960px, calc(100% - 48px)); }
  .masthead { grid-template-columns: .8fr minmax(350px, 430px) .8fr; gap: 25px; }
  .principle-grid { grid-template-columns: repeat(2, 1fr); }
  .principle-grid article:nth-child(3) { border-top: 1px solid rgba(255,255,255,.2); }
  .principle-grid article:nth-child(4) { border-top: 1px solid rgba(255,255,255,.2); }
  .domain-grid { grid-template-columns: repeat(2, 1fr); }
  .process-grid { grid-template-columns: repeat(3, 1fr); border-bottom: 0; }
  .compact-process { grid-template-columns: repeat(2, 1fr); }
  .process-grid article { border-bottom: 1px solid rgba(255,255,255,.23); }
  .public-process article { border-color: var(--line); }
  .metadata-grid { grid-template-columns: repeat(3, 1fr); }
  .metadata-grid div:nth-child(4) { border-top: 1px solid var(--line); }
  .content-layout { grid-template-columns: 210px minmax(0,1fr); gap: 45px; }
}

@media (max-width: 820px) {
  .shell { width: min(720px, calc(100% - 32px)); }
  .masthead { min-height: 98px; display: flex; justify-content: space-between; gap: 24px; }
  .masthead::before { clip-path: polygon(0 0, 85% 0, 68% 100%, 0 100%); }
  .brand { width: min(350px, 70vw); margin: 0; }
  .edition-meta, .header-action, .primary-nav { display: none; }
  .mobile-menu { display: block; position: relative; }
  .mobile-menu summary { padding: 11px 0 11px 15px; color: var(--navy); cursor: pointer; font-size: 11px; font-weight: 750; letter-spacing: .08em; list-style: none; text-transform: uppercase; }
  .mobile-menu summary::-webkit-details-marker { display: none; }
  .mobile-panel { position: absolute; top: 44px; right: 0; width: min(340px, calc(100vw - 32px)); padding: 12px 24px 18px; border: 1px solid var(--line); background: white; box-shadow: var(--shadow); }
  .mobile-panel a { display: block; padding: 11px 0; border-bottom: 1px solid var(--line); color: var(--navy); font-size: 13px; font-weight: 630; }
  .mobile-panel a:last-child { border: 0; }
  .hero, .hero-grid { min-height: auto; }
  .hero { background: linear-gradient(160deg, #fff 0 70%, var(--blue-pale) 70%); }
  .hero-grid { grid-template-columns: 1fr; gap: 55px; padding-block: 76px; }
  .hero-card { max-width: 640px; }
  .section { padding-block: 78px; }
  .section-heading { grid-template-columns: 1fr; gap: 22px; }
  .section-heading > p { justify-self: start; }
  .process-grid { grid-template-columns: repeat(2, 1fr); }
  .public-process { grid-template-columns: repeat(2, 1fr); }
  .decision-strip { grid-template-columns: 1fr; }
  .decision-strip article + article { border-left: 0; border-top: 1px solid var(--line); }
  .callout { grid-template-columns: 1fr; gap: 22px; padding: 44px; }
  .page-hero { padding-block: 72px 65px; }
  .content-layout { grid-template-columns: 1fr; }
  .toc { position: static; display: grid; grid-template-columns: repeat(2, 1fr); margin-bottom: 20px; }
  .toc strong { grid-column: 1 / -1; }
  .toc a { padding-right: 15px; }
  .cards-3 { grid-template-columns: 1fr; }
  .empty-state { grid-template-columns: 1fr; }
  .empty-state .marker { min-height: 220px; }
  .footer-main { grid-template-columns: 1.3fr .7fr; gap: 50px; }
  .footer-brand { grid-column: 1 / -1; }
  .source-item { grid-template-columns: 140px 1fr; }
  .source-item a { grid-column: 2; justify-self: start; }
}

@media (max-width: 570px) {
  .shell { width: calc(100% - 28px); }
  .masthead { min-height: 86px; }
  .brand { width: 260px; }
  .hero-grid { padding-block: 64px; gap: 40px; }
  .hero h1 { font-size: 52px; }
  .hero-copy > p:not(.eyebrow) { font-size: 17px; }
  .hero-card { padding: 32px 25px; }
  .principle-grid, .domain-grid, .process-grid, .metadata-grid, .cards-2 { grid-template-columns: 1fr; }
  .compact-process, .public-process, .short-meta { grid-template-columns: 1fr; }
  .standard-jump { gap: 6px; margin-bottom: 42px; }
  .principle-grid article, .principle-grid article:nth-child(2) { border-top: 1px solid rgba(255,255,255,.2); }
  .domain-grid article { min-height: auto; }
  .process-grid article { min-height: 175px; }
  .section { padding-block: 64px; }
  .section-heading { margin-bottom: 36px; }
  .section-heading h2 { font-size: 39px; }
  .callout { padding: 34px 25px; }
  .page-hero { background: linear-gradient(160deg, #fff 0 75%, var(--blue-pale) 75%); }
  .page-hero h1 { font-size: 46px; }
  .page-hero .lead { font-size: 17px; }
  .metadata-grid div { min-height: 82px; border-right: 1px solid var(--line); border-top: 1px solid var(--line); }
  .toc { grid-template-columns: 1fr; }
  .document-section { padding-bottom: 58px; }
  .document-section + .document-section { padding-top: 54px; }
  .document-section h2 { font-size: 34px; }
  .rule-banner { grid-template-columns: 1fr; }
  .rule-banner strong { place-items: start; padding-block: 13px; }
  .directory-controls { grid-template-columns: 1fr; }
  .directory-controls input, .directory-controls select { border-right: 0; border-bottom: 1px solid var(--line); }
  .directory-controls button { min-height: 52px; }
  .empty-state .copy { padding: 34px 25px; }
  .source-item { grid-template-columns: 1fr; gap: 9px; }
  .source-item a { grid-column: 1; }
  .footer-main { grid-template-columns: 1fr; gap: 38px; padding-block: 58px 45px; }
  .footer-brand { grid-column: auto; }
  .footer-legal { flex-direction: column; gap: 7px; }
}

@media print {
  .site-header, .site-footer, .toc, .print-action, .directory-controls { display: none !important; }
  .shell { width: 100%; }
  .page-hero { padding: 0 0 28px; background: white; }
  .page-hero::after { display: none; }
  .page-hero h1 { font-size: 38px; }
  .metadata-grid { grid-template-columns: repeat(3, 1fr); }
  .section { padding: 30px 0; }
  .content-layout { display: block; }
  .document-section { break-inside: auto; }
  .table-wrap { overflow: visible; border-color: #777; }
  table { font-size: 10px; }
  th, td { padding: 7px; }
  a { text-decoration: none; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition-duration: .01ms !important; }
}