/* 01 Tokens & Reset */
:root {
  --color-ink: #17181b;
  --color-deep: #27333a;
  --color-teal: #375e61;
  --color-sage: #708781;
  --color-burgundy: #744c55;
  --color-brass: #b08b57;
  --color-sand: #e5d9c8;
  --color-paper: #f6f2ea;
  --color-surface: #fcfaf6;
  --color-line: #c9c7c0;
  --color-muted: #616768;
  --color-mist: #e2e7e4;
  --color-white: #fff;
  --font-sans: ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --font-editorial: Georgia, "Times New Roman", serif;
  --step--1: clamp(.75rem, .7rem + .18vw, .85rem);
  --step-0: clamp(.96rem, .9rem + .18vw, 1.06rem);
  --step-1: clamp(1.15rem, 1.02rem + .4vw, 1.4rem);
  --step-2: clamp(1.45rem, 1.2rem + .8vw, 2rem);
  --step-3: clamp(2rem, 1.55rem + 1.5vw, 3.1rem);
  --step-4: clamp(2.75rem, 1.8rem + 3vw, 5.4rem);
  --space-1: .5rem;
  --space-2: .85rem;
  --space-3: 1.25rem;
  --space-4: 2rem;
  --space-5: clamp(3rem, 6vw, 6rem);
  --space-6: clamp(5rem, 9vw, 9rem);
  --container: 1320px;
  --narrow: 860px;
  --border: 1px solid var(--color-line);
  --radius: 2px;
  --shadow: 0 18px 45px rgb(23 24 27 / .07);
  --transition: 180ms ease;
}
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: auto; }
body { margin: 0; color: var(--color-ink); background: var(--color-surface); font-family: var(--font-sans); font-size: var(--step-0); line-height: 1.65; overflow-wrap: anywhere; }
img, svg { display: block; max-width: 100%; }
button, input { font: inherit; }
button, a { -webkit-tap-highlight-color: transparent; }

/* 02 Base */
h1, h2, h3, p { margin-top: 0; }
h1, h2, h3 { line-height: 1.08; text-wrap: balance; }
h1 { max-width: 1030px; margin-bottom: var(--space-4); font-size: var(--step-4); letter-spacing: -.045em; font-weight: 610; }
h2 { margin-bottom: var(--space-3); font-size: var(--step-3); letter-spacing: -.035em; font-weight: 620; }
h3 { margin-bottom: 1rem; font-size: var(--step-2); letter-spacing: -.02em; }
a { color: inherit; text-underline-offset: 4px; }
::selection { color: var(--color-white); background: var(--color-teal); }
.eyebrow { display: flex; align-items: center; gap: .7rem; margin-bottom: 1.15rem; color: var(--color-teal); font-size: .73rem; font-weight: 750; letter-spacing: .16em; text-transform: uppercase; }
.pin, .rule-label i { width: 7px; height: 7px; flex: 0 0 auto; background: var(--color-brass); }
.section-heading { max-width: 800px; margin-bottom: clamp(2.5rem, 5vw, 4.5rem); }
.section-heading > p:last-child { max-width: 690px; color: var(--color-muted); font-size: var(--step-1); }
.section-heading.compact { margin-bottom: 2rem; }
.section-heading.light, .section-heading.light > p:last-child { color: var(--color-paper); }
.section-heading.light .eyebrow { color: var(--color-sand); }
.button-row { display: flex; flex-wrap: wrap; gap: .75rem; align-items: center; }
.button { min-height: 48px; display: inline-flex; align-items: center; justify-content: center; padding: .78rem 1.25rem; border: 1px solid transparent; text-decoration: none; font-size: .82rem; font-weight: 720; letter-spacing: .035em; transition: color var(--transition), background var(--transition), border-color var(--transition); }
.button-primary { color: var(--color-white); background: var(--color-teal); }
.button-primary:hover { background: var(--color-deep); }
.button-secondary { border-color: var(--color-deep); }
.button-secondary:hover { color: var(--color-white); background: var(--color-deep); }
.button-dark { border-color: var(--color-deep); color: var(--color-deep); }
.button-dark:hover { color: var(--color-white); background: var(--color-deep); }

/* 03 Accessibility */
.skip-link { position: fixed; top: 8px; left: 8px; z-index: 999; padding: .75rem 1rem; color: white; background: var(--color-deep); transform: translateY(-150%); }
.skip-link:focus { transform: none; }
:focus-visible { outline: 3px solid var(--color-brass); outline-offset: 3px; }
section[id], main[id] { scroll-margin-top: 96px; }
.noscript { margin: 0; padding: .75rem; text-align: center; color: white; background: var(--color-burgundy); }
.copy-helper { position: fixed; left: -9999px; }

/* 04 Layout */
.container { width: min(calc(100% - 2.5rem), var(--container)); margin-inline: auto; }
.section { padding-block: var(--space-6); }
.paper-section { background: var(--color-paper); }
.surface-section { background: var(--color-surface); }
.deep-section { color: var(--color-white); background: var(--color-deep); }

/* 05 Header */
.site-header { position: sticky; top: 0; z-index: 50; border-bottom: 1px solid rgb(201 199 192 / .75); background: rgb(252 250 246 / .96); backdrop-filter: blur(12px); }
.header-inner { min-height: 80px; display: flex; align-items: center; justify-content: space-between; gap: 1.25rem; }
.brand { flex: 0 1 248px; }
.brand img { width: 248px; height: auto; }
.primary-nav { display: flex; align-items: center; justify-content: flex-end; gap: clamp(.75rem, 1.35vw, 1.35rem); }
.primary-nav a { position: relative; padding-block: 1rem; color: #42494b; text-decoration: none; font-size: clamp(.7rem, .65rem + .13vw, .79rem); font-weight: 680; white-space: nowrap; }
.primary-nav a::after { content: ""; position: absolute; right: 0; bottom: .65rem; left: 0; height: 1px; background: var(--color-burgundy); transform: scaleX(0); transform-origin: left; transition: transform var(--transition); }
.primary-nav a:hover::after, .primary-nav a:focus-visible::after { transform: scaleX(1); }
.menu-button { display: none; width: 48px; height: 48px; padding: 12px; border: var(--border); background: transparent; }
.menu-button span { display: block; width: 100%; height: 1px; margin: 5px 0; background: var(--color-deep); }

/* 06 Hero */
.hero { height: auto; padding: clamp(4rem, 7vw, 7.5rem) 0 0; background: linear-gradient(90deg, var(--color-surface) 0 73%, var(--color-paper) 73%); }
.hero-copy { max-width: 760px; margin-bottom: 2rem; color: var(--color-muted); font-family: var(--font-editorial); font-size: var(--step-1); }
.scope-marker { width: fit-content; margin: 1.5rem 0 4rem; padding-left: .8rem; border-left: 2px solid var(--color-burgundy); color: var(--color-muted); font-size: var(--step--1); }
.scope-marker span { padding-inline: .4rem; color: var(--color-brass); }

/* 07 Finance Charter */
.finance-charter { border-top: 1px solid var(--color-deep); background: var(--color-surface); }
.section-kicker { min-height: 62px; display: flex; align-items: center; justify-content: space-between; gap: 1rem; border-bottom: var(--border); color: var(--color-muted); font-size: .7rem; font-weight: 750; letter-spacing: .14em; text-transform: uppercase; }
.charter-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); grid-auto-rows: auto; }
.charter-stratum { min-width: 0; height: auto; padding: clamp(1.5rem, 3vw, 2.8rem); border-right: var(--border); }
.charter-stratum:last-child { border-right: 0; }
.charter-stratum .index { display: block; margin-bottom: clamp(2.5rem, 5vw, 5rem); color: var(--color-muted); font-size: .72rem; }
.charter-stratum h2 { margin-bottom: 1rem; font-size: var(--step-1); text-transform: uppercase; letter-spacing: .07em; }
.charter-stratum p { min-height: 3.2em; color: var(--color-muted); font-family: var(--font-editorial); }
.rule-label { display: flex; align-items: center; gap: .55rem; padding-top: 1rem; border-top: var(--border); color: var(--color-muted); font-size: .68rem; letter-spacing: .1em; text-transform: uppercase; }

/* 08 Institution View */
.institution-view { padding-block: var(--space-5); color: var(--color-paper); background: var(--color-teal); }
.institution-view .eyebrow { color: var(--color-sand); }
.institution-view h2 { font-size: var(--step-2); }
.view-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); grid-auto-rows: auto; border-top: 1px solid rgb(255 255 255 / .35); }
.view-grid article { min-width: 0; height: auto; padding: 1.5rem clamp(1rem, 2vw, 2rem); border-right: 1px solid rgb(255 255 255 / .25); }
.view-grid article:last-child { border-right: 0; }
.view-grid span { display: block; margin-bottom: 1rem; color: var(--color-sand); font-size: .68rem; letter-spacing: .12em; text-transform: uppercase; }
.view-grid p { margin: 0; font-size: .92rem; }

/* 09 Finance Domains */
.finance-domains-grid { display: grid; grid-template-columns: repeat(12, minmax(0, 1fr)); grid-auto-rows: auto; gap: clamp(1rem, 2vw, 2rem); align-items: start; }
.domain { min-width: 0; height: auto; padding: clamp(1.5rem, 3vw, 2.8rem); border-top: 3px solid var(--color-teal); border-bottom: var(--border); background: var(--color-surface); box-shadow: var(--shadow); }
.domain-one { grid-column: 1 / 8; }
.domain-two { grid-column: 8 / 13; border-top-color: var(--color-sage); }
.domain-three { grid-column: 1 / 6; border-top-color: var(--color-burgundy); }
.domain-four { grid-column: 6 / 13; border-top-color: var(--color-brass); }
.domain-head { display: flex; justify-content: space-between; gap: 1rem; margin-bottom: clamp(2rem, 4vw, 4rem); color: var(--color-muted); font-size: .68rem; font-weight: 720; letter-spacing: .12em; text-transform: uppercase; }
.pin-group { color: var(--color-brass); letter-spacing: .3em; }
.domain p { color: var(--color-muted); }
.domain .boundary { padding-top: 1rem; border-top: var(--border); color: var(--color-ink); font-family: var(--font-editorial); }
.tags { display: flex; flex-wrap: wrap; gap: .5rem; margin: 1.5rem 0 0; padding: 0; list-style: none; }
.tags li { padding: .35rem .58rem; border: var(--border); color: var(--color-muted); font-size: .7rem; }

/* 10 Financial Alignment */
.alignment-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); grid-auto-rows: auto; border-block: var(--border); }
.alignment-grid div { min-width: 0; padding: 1.5rem; border-right: var(--border); }
.alignment-grid div:last-child { border-right: 0; }
.alignment-grid b { font-size: .78rem; letter-spacing: .08em; text-transform: uppercase; }
.alignment-grid p { margin: 1rem 0 0; color: var(--color-muted); }
blockquote { max-width: 920px; margin: 3rem 0 0; padding-left: 1.5rem; border-left: 3px solid var(--color-burgundy); font-family: var(--font-editorial); font-size: var(--step-1); }

/* 11 Concord Review */
.review-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); grid-auto-rows: auto; gap: 1px; background: rgb(255 255 255 / .18); }
.review-sheet { min-width: 0; height: auto; padding: clamp(1.5rem, 3vw, 3rem); background: var(--color-deep); }
.review-sheet span { display: block; width: fit-content; margin-bottom: 3rem; padding: .3rem .45rem; border: 1px solid var(--color-sage); color: var(--color-sand); font-size: .7rem; }
.review-sheet h3 { font-size: var(--step-1); }
.review-sheet p { margin-bottom: 0; color: var(--color-mist); }

/* 12 Reference Desk */
.contact-clarification { margin-bottom: 2rem; padding: 1.5rem; border-left: 4px solid var(--color-burgundy); background: var(--color-paper); font-family: var(--font-editorial); }
.profiles-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); grid-auto-rows: auto; gap: 1.25rem; align-items: start; }
.profile { min-width: 0; height: auto; padding: clamp(1.35rem, 2.5vw, 2.25rem); border: var(--border); background: var(--color-white); }
.profile.offset-rule { border-top-width: 4px; }
.contact-profile { border-top-color: var(--color-burgundy); }
.research-profile { border-top-color: var(--color-teal); background: var(--color-paper); }
.profile-top { display: flex; align-items: center; justify-content: space-between; gap: 1rem; margin-bottom: 2rem; }
.avatar { width: 46px; height: 46px; display: grid; place-items: center; color: white; background: var(--color-burgundy); font-size: .75rem; font-weight: 750; letter-spacing: .08em; }
.research-profile .avatar { background: var(--color-teal); }
.profile-index { color: var(--color-muted); font-size: .64rem; letter-spacing: .08em; text-align: right; text-transform: uppercase; }
.profile h3 { font-size: var(--step-1); }
.profile .role { min-height: 3.4em; color: var(--color-teal); font-size: .79rem; font-weight: 700; text-transform: uppercase; letter-spacing: .045em; }
.profile > p:not(.role) { color: var(--color-muted); font-size: .9rem; }
.email-row { display: flex; flex-direction: column; align-items: flex-start; gap: .75rem; padding-top: 1rem; border-top: var(--border); }
.email-row a { max-width: 100%; color: var(--color-burgundy); font-size: .8rem; }
.copy-email { min-height: 44px; padding: .55rem .85rem; border: 1px solid var(--color-burgundy); color: var(--color-burgundy); background: transparent; cursor: pointer; }
.copy-email:hover { color: white; background: var(--color-burgundy); }

/* 13 Independence */
.independence { color: var(--color-paper); background: var(--color-burgundy); }
.independence .eyebrow { color: var(--color-sand); }
.independence-grid { display: grid; grid-template-columns: minmax(0, .8fr) minmax(0, 1.2fr); gap: clamp(2rem, 7vw, 7rem); }
.scope-list { border-top: 1px solid rgb(255 255 255 / .35); }
.scope-list p { margin: 0; padding: 1.2rem 0; border-bottom: 1px solid rgb(255 255 255 / .25); }

/* 14 Principle Notes */
.notes-list { border-top: 1px solid var(--color-deep); }
.note-item { border-bottom: var(--border); }
.note-item[hidden] { display: none; }
details { height: auto; }
summary { min-width: 0; display: flex; align-items: center; justify-content: space-between; gap: 1rem; padding: 1.5rem .25rem; cursor: pointer; list-style: none; font-size: var(--step-1); font-weight: 650; }
summary::-webkit-details-marker { display: none; }
summary small { display: block; margin-bottom: .45rem; color: var(--color-muted); font-size: .65rem; font-weight: 730; letter-spacing: .1em; text-transform: uppercase; }
summary b { color: var(--color-teal); font-size: 1.6rem; font-weight: 400; transition: transform var(--transition); }
details[open] summary b { transform: rotate(45deg); }
.note-content { height: auto; max-width: 850px; padding: 0 .25rem 2rem; color: var(--color-muted); }

/* 15 Search */
.search-panel { margin-bottom: 2rem; padding: clamp(1.25rem, 3vw, 2rem); color: var(--color-white); background: var(--color-deep); }
.search-panel label { display: block; margin-bottom: .75rem; color: var(--color-sand); font-size: .76rem; font-weight: 730; letter-spacing: .09em; text-transform: uppercase; }
.search-row { display: flex; gap: .75rem; }
.search-row input { min-width: 0; flex: 1; min-height: 50px; padding: .7rem 1rem; border: 1px solid var(--color-sage); border-radius: 0; color: var(--color-ink); background: var(--color-white); }
.search-row button { min-height: 50px; padding-inline: 1rem; border: 1px solid var(--color-sand); color: var(--color-sand); background: transparent; cursor: pointer; }
.search-panel > p { margin: .75rem 0 0; font-size: .8rem; }
.no-results { padding: 2rem; border: var(--border); text-align: center; }

/* 16 About */
.about-section { background: var(--color-mist); }
.about-grid { display: grid; grid-template-columns: minmax(0, .8fr) minmax(0, 1.2fr); gap: clamp(2rem, 7vw, 7rem); }
.about-grid > div:last-child { padding-top: .5rem; font-family: var(--font-editorial); font-size: var(--step-1); }

/* 17 Concord Principles */
.principle-rows { border-top: 1px solid var(--color-deep); }
.principle-rows article { display: grid; grid-template-columns: 90px minmax(0, 1fr); gap: 1.5rem; padding: 1.5rem 0; border-bottom: var(--border); }
.principle-rows article > span { width: 42px; height: 34px; display: grid; place-items: center; color: white; background: var(--color-teal); font-size: .7rem; }
.principle-rows h3 { margin-bottom: .45rem; font-size: var(--step-1); }
.principle-rows p { margin: 0; color: var(--color-muted); }

/* 18 Final CTA */
.final-cta { padding-block: var(--space-5); background: var(--color-teal); }
.cta-inset { display: grid; grid-template-columns: minmax(0, 1.15fr) minmax(0, .85fr); gap: clamp(2rem, 6vw, 6rem); padding: clamp(2rem, 5vw, 5rem); border-left: 5px solid var(--color-burgundy); color: var(--color-deep); background: var(--color-sand); }
.cta-inset .eyebrow { color: var(--color-burgundy); }

/* 19 Footer */
.site-footer { padding-block: var(--space-5); color: var(--color-mist); background: var(--color-ink); }
.footer-grid { display: grid; grid-template-columns: 1.4fr .8fr .8fr; gap: 2rem; }
.site-footer img { margin-bottom: 1.25rem; }
.site-footer h2 { margin-bottom: .5rem; font-size: var(--step-1); }
.site-footer p, .site-footer small { color: var(--color-line); }
.site-footer nav { display: flex; flex-direction: column; gap: .55rem; }
.site-footer a { width: fit-content; }
.footer-end { text-align: right; }

/* 20 Reveal */
.js-enabled .reveal { opacity: 0; transform: translateY(16px); transition: opacity 550ms ease, transform 550ms ease; }
.js-enabled .reveal.is-visible { opacity: 1; transform: none; }

/* 21 Responsive */
@media (max-width: 1199px) {
  .header-inner { min-height: 72px; }
  .brand { flex-basis: 220px; }
  .brand img { width: 220px; }
  .menu-button { display: block; }
  .primary-nav { position: absolute; top: 100%; right: 0; left: 0; padding: 1rem max(1.25rem, calc((100% - var(--container)) / 2)); border-bottom: var(--border); background: var(--color-surface); box-shadow: var(--shadow); }
  .js-enabled .primary-nav { display: none; }
  .js-enabled .primary-nav.is-open { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .primary-nav a { min-height: 44px; padding: .7rem; }
  .profiles-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .profile .role { min-height: 0; }
}
@media (max-width: 1023px) {
  .charter-grid, .view-grid, .alignment-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .charter-stratum:nth-child(2), .view-grid article:nth-child(2), .alignment-grid div:nth-child(2) { border-right: 0; }
  .charter-stratum:nth-child(-n+2), .view-grid article:nth-child(-n+2), .alignment-grid div:nth-child(-n+2) { border-bottom: var(--border); }
  .review-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .domain-one, .domain-two, .domain-three, .domain-four { grid-column: span 6; }
  .independence-grid, .about-grid, .cta-inset { grid-template-columns: 1fr; }
}
@media (max-width: 767px) {
  .container { width: min(calc(100% - 2rem), var(--container)); }
  .js-enabled .primary-nav.is-open { grid-template-columns: 1fr; }
  .primary-nav a { border-bottom: var(--border); }
  .hero { padding-top: 3.5rem; background: var(--color-surface); }
  .scope-marker { margin-bottom: 3rem; }
  .charter-grid, .view-grid, .alignment-grid, .review-grid, .profiles-grid, .footer-grid { grid-template-columns: 1fr; }
  .charter-stratum, .view-grid article, .alignment-grid div { border-right: 0; border-bottom: var(--border); }
  .charter-stratum:last-child, .view-grid article:last-child, .alignment-grid div:last-child { border-bottom: 0; }
  .charter-stratum .index { margin-bottom: 2rem; }
  .finance-domains-grid { grid-template-columns: 1fr; }
  .domain-one, .domain-two, .domain-three, .domain-four { grid-column: 1; }
  .search-row { align-items: stretch; flex-direction: column; }
  .principle-rows article { grid-template-columns: 55px minmax(0, 1fr); gap: 1rem; }
  .footer-end { text-align: left; }
}
@media (max-width: 420px) {
  .brand { flex-basis: 190px; }
  .brand img { width: 190px; }
  .header-inner { gap: .5rem; }
  .button-row { align-items: stretch; flex-direction: column; }
  .button { width: 100%; }
  .section-kicker { align-items: flex-start; flex-direction: column; padding-block: 1rem; }
  summary { align-items: flex-start; }
  .profile { padding-inline: 1.1rem; }
}

/* 22 Reduced Motion */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { scroll-behavior: auto !important; animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; }
  .js-enabled .reveal { opacity: 1; transform: none; }
}