:root {
  color-scheme: light;
  --color-base-100: #ffffff;
  --color-base-200: #f5f5f5;
  --color-base-300: #e8e8e8;
  --color-base-content: #111111;
  --color-primary: #111111;
  --color-primary-content: #ffffff;
  --color-secondary: #444444;
  --color-secondary-content: #ffffff;
  --color-accent: #666666;
  --color-accent-content: #ffffff;
  --color-neutral: #222222;
  --color-neutral-content: #ffffff;
  --color-info: #0077cc;
  --color-info-content: #ffffff;
  --color-success: #1a7a1a;
  --color-success-content: #ffffff;
  --color-warning: #888888;
  --color-warning-content: #ffffff;
  --color-error: #cc2200;
  --color-error-content: #ffffff;
  --ink: var(--color-base-content);
  --muted: var(--color-secondary);
  --paper: var(--color-base-200);
  --line: var(--color-base-300);
  --accent: var(--color-primary);
  --shadow: 0 12px 32px rgba(0, 0, 0, .12);
}
:root[data-theme="monochrome-dark"] {
  color-scheme: dark;
  --color-base-100: #1e1e22;
  --color-base-200: #26262c;
  --color-base-300: #313138;
  --color-base-content: #e8e8e8;
  --color-primary: #d4d4d4;
  --color-primary-content: #111111;
  --color-secondary: #9a9a9a;
  --color-secondary-content: #111111;
  --color-accent: #7a7a7a;
  --color-accent-content: #ffffff;
  --color-neutral: #404040;
  --color-neutral-content: #e8e8e8;
  --color-info: #4da6ff;
  --color-info-content: #000000;
  --color-success: #4caf50;
  --color-success-content: #000000;
  --color-warning: #c0a060;
  --color-warning-content: #000000;
  --color-error: #f06050;
  --color-error-content: #000000;
  --shadow: 0 12px 32px rgba(0, 0, 0, .5);
}

/* ---- Base ------------------------------------------------------------- */
* { box-sizing: border-box; }
html { scroll-padding-top: 1rem; -webkit-text-size-adjust: 100%; }
body { margin: 0; background: var(--paper); color: var(--ink); font: 1rem/1.7 'Segoe UI', system-ui, -apple-system, sans-serif; }
a { color: var(--accent); text-underline-offset: .2em; overflow-wrap: anywhere; }
a:hover { text-decoration-thickness: 2px; }
:where(a, button, input, .table-wrap):focus-visible { outline: 3px solid var(--accent); outline-offset: 3px; border-radius: 2px; }
.visually-hidden { 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-link { position: fixed; left: 1rem; top: -5rem; padding: .5rem 1rem; background: var(--color-base-100); z-index: 100; }
.skip-link:focus { top: .5rem; }
.site-footer, main { width: min(1120px, calc(100% - 3rem)); margin-inline: auto; }
main { padding-block: 2.25rem 3.5rem; overflow-wrap: anywhere; }
.reading { max-width: 760px; }

/* ---- Header ----------------------------------------------------------- */
.site-header { display: flex; flex-wrap: wrap; align-items: center; gap: .6rem 1rem; padding: .6rem 1rem; border-bottom: 1px solid var(--line); background: var(--color-base-100); }
.brand { display: inline-flex; align-items: center; gap: .7rem; flex: none; order: 1; text-decoration: none; color: var(--ink); }
.brand img { width: 36px; height: 36px; object-fit: contain; border-radius: .125rem; }
.brand-wordmark { display: flex; flex-direction: column; line-height: 1; gap: .125rem; }
.brand-name { font: 800 1.1rem/1 'Cormorant Garamond', serif; letter-spacing: .08em; }
.brand-given { font: 600 .7rem/1 'Cormorant Garamond', serif; letter-spacing: .35em; opacity: .66; }
.header-actions { display: flex; align-items: center; gap: .5rem; order: 2; margin-left: auto; }
.site-search { order: 3; flex: 1 1 100%; min-width: 0; position: relative; display: flex; align-items: center; }
.site-nav { order: 4; flex: 1 1 100%; min-width: 0; overflow-x: auto; scrollbar-width: thin; }
.site-nav ul { display: flex; list-style: none; gap: .15rem; padding: 0; margin: 0; white-space: nowrap; }
.site-nav li { margin: 0; }
.site-nav a { display: block; padding: .4rem .6rem; font-size: .875rem; line-height: 1.4; font-weight: 600; text-decoration: none; border-radius: .25rem; }
.site-nav a:hover, .site-nav a[aria-current="page"], .theme-toggle:hover { background: var(--color-base-200); }
.site-nav a[aria-current="page"] { box-shadow: inset 0 -2px 0 var(--ink); }
.sign-in { padding: .3rem .65rem; border: 1px solid var(--ink); border-radius: .25rem; font-size: .875rem; font-weight: 600; line-height: 1.5; text-decoration: none; white-space: nowrap; }
.sign-in:hover { color: var(--color-primary-content); background: var(--color-primary); }
.theme-toggle { display: inline-flex; align-items: center; justify-content: center; width: 32px; height: 32px; padding: 6px; color: var(--ink); background: transparent; border: 0; border-radius: .25rem; cursor: pointer; }
.theme-toggle[hidden] { display: none; }
.theme-toggle svg { width: 20px; height: 20px; }
.theme-toggle .sun-icon, [data-theme="monochrome-dark"] .theme-toggle .moon-icon { display: none; }
[data-theme="monochrome-dark"] .theme-toggle .sun-icon { display: block; }

/* ---- Search ----------------------------------------------------------- */
.search-icon { width: 16px; height: 16px; pointer-events: none; }
.search-submit { position: absolute; left: 0; top: 0; bottom: 0; width: 2.1rem; display: inline-flex; align-items: center; justify-content: center; padding: 0; border: 0; background: transparent; color: var(--muted); cursor: pointer; border-radius: .25rem 0 0 .25rem; }
.search-submit:hover { color: var(--ink); }
.search-input { width: 100%; height: 2.2rem; padding: 0 .7rem 0 2.1rem; border: 1px solid var(--line); border-radius: .25rem; background: var(--color-base-100); color: var(--ink); font: inherit; font-size: .9rem; -webkit-appearance: none; appearance: none; }
.search-input::placeholder { color: var(--muted); opacity: .8; }
.search-input:focus { border-color: var(--ink); outline-offset: 1px; }
.search-results { position: absolute; top: calc(100% + .35rem); left: 0; right: 0; z-index: 60; max-height: min(70vh, 32rem); overflow-y: auto; background: var(--color-base-100); border: 1px solid var(--line); border-radius: .375rem; box-shadow: var(--shadow); }
.search-results[hidden] { display: none; }
.search-results [role="option"], .search-all, .search-empty { display: block; padding: .6rem .85rem; color: var(--ink); text-decoration: none; border-bottom: 1px solid var(--line); }
.search-results > :last-child { border-bottom: 0; }
.search-results [role="option"][aria-selected="true"], .search-results [role="option"]:hover, .search-all:hover { background: var(--color-base-200); }
.search-result-page { display: block; font-size: .68rem; font-weight: 650; text-transform: uppercase; letter-spacing: .1em; color: var(--muted); }
.search-result-heading { display: block; font-weight: 600; font-size: .95rem; line-height: 1.35; margin-top: .1rem; }
.search-result-snippet { display: -webkit-box; -webkit-line-clamp: 2; line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; margin-top: .2rem; font-size: .84rem; line-height: 1.45; color: var(--muted); }
.search-all, .search-empty { font-size: .875rem; }
.search-all { font-weight: 600; color: var(--accent); }
.search-empty { color: var(--muted); }
mark { background: var(--color-base-300); color: inherit; border-radius: 2px; padding: 0 .1em; }
.has-search-page .site-search { display: none; }
.search-page-form { margin: 1.25rem 0 2rem; }
.search-page-form label { display: block; font-weight: 600; margin-bottom: .5rem; }
.search-page-row { display: flex; flex-wrap: wrap; gap: .5rem; }
.search-page-row .search-input { flex: 1 1 14rem; height: 2.75rem; padding-left: .9rem; font-size: 1rem; }
.search-page-row button { height: 2.75rem; padding: 0 1.1rem; border: 1px solid var(--ink); border-radius: .25rem; background: var(--color-primary); color: var(--color-primary-content); font: inherit; font-weight: 600; cursor: pointer; }
.search-page-row button:hover { background: var(--color-secondary); border-color: var(--color-secondary); }
.search-results-list { list-style: none; padding: 0; margin: 0 0 2rem; }
.search-results-list li { margin: 0 0 .65rem; }
.search-results-list a { display: block; padding: .9rem 1.05rem; border: 1px solid var(--line); border-radius: .375rem; background: var(--color-base-100); color: var(--ink); text-decoration: none; }
.search-results-list a:hover { border-color: var(--ink); }
.search-results-list .search-result-snippet { -webkit-line-clamp: 3; line-clamp: 3; }

/* ---- Typography ------------------------------------------------------- */
h1, h2, h3 { line-height: 1.2; text-wrap: balance; }
h1 { font-size: clamp(1.9rem, 4.5vw, 3rem); font-weight: 700; line-height: 1.1; margin: .6rem 0 1rem; letter-spacing: -.02em; }
h2 { font-size: 1.5rem; font-weight: 650; line-height: 1.25; margin: 2.5rem 0 .75rem; }
h3 { font-size: 1.1rem; font-weight: 650; margin: 1.6rem 0 .4rem; }
main section { margin-top: 2.75rem; }
main section > h2:first-child { margin-top: 0; }
p, ul, ol, dl { margin-block: .9rem; }
li { margin-block: .4rem; }
ul, ol { padding-left: 1.3rem; }
.lead { font-size: 1.15rem; line-height: 1.6; max-width: 46rem; color: var(--ink); }
.site-footer, .meta, .eyebrow { color: var(--muted); }
.eyebrow { font-size: .76rem; font-weight: 650; text-transform: uppercase; letter-spacing: .12em; margin: 0; }
.meta { font-size: .88rem; }
.breadcrumbs { font-size: .88rem; margin-bottom: 1.75rem; color: var(--muted); }
.guide-icon { display: block; width: 2rem; height: 2rem; margin: 0 0 .6rem; }
[data-theme="monochrome-dark"] .guide-icon { filter: invert(1) brightness(.91); }
dt { font-weight: 650; margin-top: 1rem; }
dd { margin: .25rem 0 0; }
.glossary dt { margin-top: 1.15rem; }
.glossary dd { color: var(--ink); }

/* ---- Photographs ------------------------------------------------------ */
.hero-figure, .guide-figure { margin: 1.75rem 0 2rem; }
.hero-figure img, .guide-figure img { display: block; width: 100%; height: auto; border-radius: .375rem; border: 1px solid var(--line); background: var(--color-base-300); }
.hero-figure img { aspect-ratio: 2 / 1; object-fit: cover; }
.guide-figure img { aspect-ratio: 3 / 2; object-fit: cover; }
[data-theme="monochrome-dark"] :is(.hero-figure, .guide-figure) img { filter: brightness(.88); }
figcaption { margin-top: .55rem; font-size: .84rem; line-height: 1.5; color: var(--muted); }
figcaption .credit { display: block; margin-top: .15rem; font-size: .76rem; }

/* ---- Buttons & calls to action --------------------------------------- */
.btn-row { display: flex; flex-wrap: wrap; gap: .6rem; margin: 1.25rem 0 1.75rem; }
.btn { display: inline-flex; align-items: center; gap: .4rem; padding: .55rem 1rem; border: 1px solid var(--ink); border-radius: .25rem; font-size: .92rem; font-weight: 600; line-height: 1.3; text-decoration: none; transition: background-color .15s ease, color .15s ease; }
.btn svg { width: 1rem; height: 1rem; flex: none; }
.btn-primary { background: var(--color-primary); color: var(--color-primary-content); }
.btn-primary:hover { background: var(--color-secondary); border-color: var(--color-secondary); color: var(--color-secondary-content); }
.btn-outline { background: transparent; color: var(--ink); }
.btn-outline:hover { background: var(--color-primary); color: var(--color-primary-content); }
.cta { padding: 1.4rem 1.5rem; border: 1px solid var(--line); border-radius: .375rem; background: var(--color-base-100); }
.cta h2 { font-size: 1.3rem; }
.cta p:last-child, .cta .btn-row { margin-bottom: 0; }

/* ---- News carousel ---------------------------------------------------- */
.news { margin: 2rem 0 .5rem; }
.news-head { display: flex; flex-wrap: wrap; align-items: baseline; justify-content: space-between; gap: .25rem 1.5rem; }
.news-head h2 { margin: 0; }
.news-head .meta { margin: 0; }
.carousel { position: relative; margin-top: 1rem; }
.news-track { display: flex; gap: 1rem; list-style: none; margin: 0; padding: .25rem .25rem 1rem; overflow-x: auto; scroll-snap-type: x mandatory; scroll-behavior: smooth; scrollbar-width: thin; -webkit-overflow-scrolling: touch; }
.news-track li { margin: 0; }
.news-card { flex: 0 0 min(19rem, 82%); scroll-snap-align: start; display: flex; flex-direction: column; justify-content: space-between; gap: .6rem; padding: 1rem 1.1rem; border: 1px solid var(--line); border-radius: .375rem; background: var(--color-base-100); transition: border-color .15s ease; }
.news-card:hover { border-color: var(--ink); }
.news-card > a { color: var(--ink); font-weight: 600; line-height: 1.4; text-decoration: none; display: -webkit-box; -webkit-line-clamp: 4; line-clamp: 4; -webkit-box-orient: vertical; overflow: hidden; }
.news-card > a:hover { text-decoration: underline; }
.news-meta { margin: 0; font-size: .8rem; color: var(--muted); }
.news-source { font-weight: 600; }
.carousel-btn { position: absolute; top: 50%; transform: translateY(-60%); width: 2.25rem; height: 2.25rem; display: inline-flex; align-items: center; justify-content: center; border: 1px solid var(--ink); border-radius: 999px; background: var(--color-base-100); color: var(--ink); font-size: 1.4rem; line-height: 1; cursor: pointer; box-shadow: var(--shadow); z-index: 1; }
.carousel-btn[hidden] { display: none; }
.carousel-btn.prev { left: -.6rem; }
.carousel-btn.next { right: -.6rem; }
.carousel-btn:hover { background: var(--color-primary); color: var(--color-primary-content); }
@media (prefers-reduced-motion: reduce) { .news-track { scroll-behavior: auto; } }

/* ---- Calculators, checklists, filters, chips -------------------------- */
.calc { margin: 1.5rem 0; padding: 1.1rem 1.25rem 1.25rem; border: 1px solid var(--line); border-left: 4px solid var(--ink); border-radius: .375rem; background: var(--color-base-100); }
.calc h3 { margin: 0 0 .25rem; font-size: 1.05rem; }
.calc-note { margin: 0 0 .9rem; font-size: .82rem; color: var(--muted); }
.calc-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(min(13rem, 100%), 1fr)); gap: .75rem 1rem; }
.calc label { display: flex; flex-direction: column; gap: .3rem; font-size: .85rem; font-weight: 600; }
.calc input { width: 100%; min-width: 0; height: 2.5rem; padding: 0 .7rem; border: 1px solid var(--line); border-radius: .25rem; background: var(--paper); color: var(--ink); font: inherit; font-size: 1rem; font-weight: 400; }
.calc input:focus { border-color: var(--ink); outline-offset: 1px; }
.calc-results { display: grid; grid-template-columns: repeat(auto-fit, minmax(min(13rem, 100%), 1fr)); gap: .6rem 1rem; margin: 1rem 0 0; padding-top: .9rem; border-top: 1px solid var(--line); }
.calc-actions { margin: .9rem 0 0; }
.calc-ready .calc-actions { display: none; }
.calc-results div { margin: 0; }
.calc-results dt { margin: 0; font-size: .78rem; font-weight: 600; text-transform: uppercase; letter-spacing: .08em; color: var(--muted); }
.calc-results dd { margin: .15rem 0 0; font-size: 1.25rem; font-weight: 650; font-variant-numeric: tabular-nums; }
.calc .footnote { margin: .9rem 0 0; font-size: .82rem; color: var(--muted); }
th.check, td.check { width: 2.75rem; text-align: center; }
td.check input { width: 1.15rem; height: 1.15rem; accent-color: var(--ink); cursor: pointer; }
tr.done td:not(.check), tr.done th { color: var(--muted); }
tr.done th { text-decoration: line-through; text-decoration-thickness: 1px; }
.checklist-tools { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: .5rem 1rem; margin: -.6rem 0 1.4rem; }
.checklist-status { margin: 0; font-size: .85rem; color: var(--muted); }
.btn-small { padding: .35rem .75rem; font-size: .82rem; }
.filter { display: flex; flex-wrap: wrap; align-items: center; gap: .5rem 1rem; margin: 1.5rem 0; }
.filter[hidden] { display: none; }
.filter label { font-weight: 600; font-size: .9rem; }
.filter input { flex: 1 1 14rem; height: 2.5rem; padding: 0 .8rem; border: 1px solid var(--line); border-radius: .25rem; background: var(--color-base-100); color: var(--ink); font: inherit; font-size: 1rem; }
.filter input:focus { border-color: var(--ink); outline-offset: 1px; }
.filter output { font-size: .85rem; color: var(--muted); }
.chips { display: flex; flex-wrap: wrap; gap: .45rem; margin: 1.25rem 0 .5rem; }
.chips a { padding: .35rem .8rem; border: 1px solid var(--line); border-radius: 999px; background: var(--color-base-100); font-size: .85rem; font-weight: 600; text-decoration: none; color: var(--ink); }
.chips a:hover { border-color: var(--ink); }
.chips a[aria-current] { background: var(--color-primary); border-color: var(--color-primary); color: var(--color-primary-content); }
.toc a[aria-current] { font-weight: 650; text-decoration: underline; text-decoration-thickness: 2px; }

/* ---- Blocks ----------------------------------------------------------- */
.in-brief, .toc, .note, .card { background: var(--color-base-100); border: 1px solid var(--line); border-radius: .375rem; }
.in-brief { border-left: 4px solid var(--ink); padding: 1rem 1.25rem; margin: 1.5rem 0; }
.in-brief h2, .toc strong, .footer-heading { display: block; margin: 0 0 .5rem; font-size: .76rem; font-weight: 650; text-transform: uppercase; letter-spacing: .12em; color: var(--muted); }
.in-brief ul { margin: 0; padding-left: 1.2rem; }
.in-brief li { margin: .35rem 0; }
.toc { padding: .9rem 1.2rem; margin: 1.5rem 0 2.5rem; }
.toc ol { margin: 0; padding-left: 1.2rem; columns: 2; column-gap: 2rem; }
.toc li { break-inside: avoid; margin: .25rem 0; }
.toc a { text-decoration: none; }
.toc a:hover { text-decoration: underline; }
.note { padding: .9rem 1.1rem; border-left: 3px solid var(--ink); margin-block: 1.6rem; font-size: .95rem; }
.cards { display: grid; grid-template-columns: repeat(auto-fit, minmax(min(17rem, 100%), 1fr)); gap: 1rem; margin-block: 1.5rem 2rem; }
.card { display: grid; grid-template-columns: 2rem 1fr; gap: .2rem .9rem; align-items: start; padding: 1.1rem 1.2rem; transition: border-color .15s ease; }
.card:hover { border-color: var(--ink); }
.card .guide-icon { grid-row: 1 / span 2; margin: .15rem 0 0; }
.card h2, .card h3 { grid-column: 2; margin: 0; font-size: 1.12rem; line-height: 1.3; font-weight: 650; }
.card h2 a, .card h3 a { color: var(--ink); text-decoration: none; }
.card h2 a:hover, .card h3 a:hover { text-decoration: underline; }
.card p { grid-column: 2; margin: 0; font-size: .93rem; line-height: 1.5; color: var(--muted); }
.guide-list li { margin: .6rem 0; }
.table-wrap { overflow-x: auto; border: 1px solid var(--line); border-radius: .375rem; margin-block: 1.4rem; background: var(--color-base-100); }
table { width: 100%; border-collapse: collapse; font-size: .93rem; }
caption { text-align: left; font-weight: 650; padding: .8rem .8rem .5rem; }
th, td { text-align: left; vertical-align: top; border-top: 1px solid var(--line); padding: .7rem .8rem; }
thead th { background: var(--color-base-200); border-top: 0; }

/* ---- Footer ----------------------------------------------------------- */
.site-footer { border-top: 1px solid var(--line); padding: 2rem 0 2.5rem; font-size: .9rem; }
.footer-grid { display: grid; grid-template-columns: 1fr; gap: 1.75rem; }
.footer-brand { margin: 0 0 .4rem; font: 800 1rem/1.2 'Cormorant Garamond', serif; letter-spacing: .08em; color: var(--ink); }
.footer-about p { margin: 0; }
.site-footer ul { list-style: none; padding: 0; margin: 0; }
.site-footer li { margin: .3rem 0; }
.footer-profiles { margin-top: .6rem !important; }
.footer-profiles a { font-weight: 600; }
.footer-note { margin: 1.75rem 0 0; font-size: .82rem; }

/* ---- Responsive ------------------------------------------------------- */
@media (max-width: 639px) {
  .site-footer, main { width: calc(100% - 2rem); }
  main { padding-top: 1.75rem; }
  .toc ol { columns: 1; }
  .lead { font-size: 1.05rem; }
  .brand-given { display: none; }
}
@media (min-width: 768px) {
  .footer-grid { grid-template-columns: 1.4fr 1fr 1fr; gap: 2rem; }
}
@media (min-width: 1024px) {
  html { scroll-padding-top: 5rem; }
  .site-header { position: sticky; top: 0; z-index: 50; flex-wrap: nowrap; padding: .6rem 1.5rem; gap: .75rem 1.25rem; }
  .site-nav { order: 2; flex: 1 1 auto; }
  .site-search { order: 3; flex: 0 1 15rem; }
  .header-actions { order: 4; margin-left: 0; }
  .search-results { left: auto; right: 0; width: min(30rem, calc(100vw - 2rem)); }
}
@media (min-width: 1400px) {
  .site-search { flex-basis: 18rem; }
}
@media (prefers-reduced-motion: reduce) {
  * { transition: none !important; }
}
@media print {
  :root, :root[data-theme="monochrome-dark"] { --ink: black; --muted: #444444; --paper: white; --line: #cccccc; --accent: black; --color-base-100: white; --color-base-200: #f3f3f3; }
  body { font-size: 11pt; }
  .skip-link, .site-nav, .site-search, .header-actions, .toc, .footer-nav, .footer-links, .btn-row, .carousel-btn, .checklist-tools, .filter, .chips { display: none; }
  .news-track { display: block; }
  .news-card { margin-bottom: .5rem; }
  .site-header { position: static; }
  [data-theme="monochrome-dark"] :is(.hero-figure, .guide-figure) img { filter: none; }
  main, .site-header, .site-footer { width: 100%; }
  .cards { display: block; }
  .card { break-inside: avoid; margin-bottom: 1rem; }
  [data-theme="monochrome-dark"] .guide-icon { filter: none; }
}