:root {
  --ink: #252e32;
  --muted: #627079;
  --teal: #167d87;
  --aqua: #40a5af;
  --soft: #f6f7f8;
  --pale: #edf7f8;
  --line: #e6eaed;
  --coral: #d94828;
  --font: "Segoe UI", Arial, sans-serif;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 100px; }
body { margin: 0; background: #e8f0f1; color: var(--ink); font: 15px/1.65 var(--font); -webkit-font-smoothing: antialiased; }
.page-shell { max-width: 1380px; margin: 18px auto; background: white; border-radius: 14px; box-shadow: 0 5px 35px #34464c0b; }
a { color: inherit; }
button, input, select { font: inherit; }
button { cursor: pointer; }
img { display: block; max-width: 100%; height: auto; }
h1, h2, h3, p, figure { margin: 0; }
h1, h2, h3 { line-height: 1.22; }
:focus-visible { outline: 3px solid var(--teal); outline-offset: 4px; }
[hidden] { display: none !important; }
.icon { width: 24px; height: 24px; flex-shrink: 0; }
.container { width: min(1200px, calc(100% - 64px)); margin-inline: auto; }
.sr-only { position: absolute; 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; top: 10px; left: 10px; z-index: 100; transform: translateY(-160%); background: var(--ink); color: white; padding: 10px; }
.skip-link:focus { transform: none; }
.site-header { position: sticky; top: 0; background: #fff; z-index: 20; border-radius: 14px 14px 0 0; border-bottom: 1px solid #edf0f1; }
.header-inner { width: min(1200px, calc(100% - 64px)); min-height: 80px; margin: auto; display: flex; align-items: center; justify-content: space-between; gap: 28px; }
.brand { display: inline-flex; align-items: center; gap: 10px; text-decoration: none; flex-shrink: 0; }
.brand-mark { width: 38px; height: 38px; }
.brand-symbol { gap: 0; }
.brand strong { display: block; font-size: 24px; font-weight: 650; line-height: 1.05; letter-spacing: -.8px; }
.brand small { display: block; font-size: 10px; color: var(--muted); margin-top: 3px; letter-spacing: .3px; }
.nav { display: flex; align-items: center; gap: 28px; }
.nav a { font-size: 12px; text-decoration: none; }
.nav a:hover { color: var(--teal); }
.header-search { display: flex; align-items: center; gap: 10px; text-decoration: none; font-size: 12px; border: 1px solid #d4e8eb; background: #f1f9fa; color: var(--teal); padding: 9px 15px; border-radius: 5px; }
.header-search .icon { width: 17px; height: 17px; }
.hero { display: grid; grid-template-columns: 47% 53%; min-height: 398px; border-radius: 8px; background: #f1f6f7; margin-top: 18px; overflow: hidden; }
.hero-art { position: relative; overflow: hidden; }
.hero-art img { width: 100%; height: 100%; object-fit: cover; }
.hero-content { padding: 35px 34px 33px; }
.eyebrow { color: var(--teal); font-size: 11px; line-height: 1.5; margin-bottom: 12px; }
.hero .eyebrow { display: inline-block; padding: 3px 8px; background: #ddf0f2; border-radius: 3px; color: #376b71; }
.hero h1 { text-transform: uppercase; font-size: clamp(30px, 3.3vw, 43px); line-height: 1.03; font-weight: 680; letter-spacing: -1.5px; margin-bottom: 18px; }
.hero-copy { font-size: 13px; color: #55656c; line-height: 1.6; max-width: 400px; margin-bottom: 19px; }
.hero-facts { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; margin-bottom: 20px; }
.hero-facts > div { padding: 12px; background: white; display: flex; align-items: center; gap: 10px; border-radius: 5px; }
.hero-facts .icon { color: #8ba6ab; width: 25px; }
.hero-facts span { font-size: 10px; color: var(--muted); line-height: 1.5; }
.hero-facts strong { display: block; color: var(--ink); font-size: 12px; font-weight: 600; }
.hero-actions { display: flex; align-items: center; gap: 22px; }
.hero-about { font-size: 11px; color: var(--muted); text-decoration: none; }
.button { min-height: 40px; display: inline-flex; gap: 16px; justify-content: center; align-items: center; padding: 10px 17px; border-radius: 5px; border: 1px solid transparent; font-size: 11px; font-weight: 600; text-decoration: none; line-height: 1.5; }
.button .icon { width: 16px; height: 16px; }
.button-coral { background: var(--coral); color: white; }
.button-coral:hover { background: #b73b20; }
.button-outline { background: white; border-color: #e0e5e8; color: #44535b; }
.button-outline:hover { border-color: var(--teal); color: var(--teal); }
.search-ribbon { display: flex; align-items: center; gap: 22px; padding-block: 16px; }
.search-ribbon > label { font-size: 11px; color: var(--muted); }
.quick-search > div { position: relative; }
.quick-search input { height: 40px; border: 1px solid var(--line); border-radius: 4px; background: white; color: var(--ink); padding: 9px 46px 9px 13px; width: 100%; font-size: 12px; }
.quick-search button { position: absolute; right: 0; top: 0; height: 40px; width: 42px; background: transparent; border: 0; display: grid; place-items: center; color: var(--teal); }
.quick-search .icon { width: 17px; }
.search-ribbon > div { flex: 1; }
.search-ribbon > span { font-size: 10px; color: var(--muted); }
.section { padding: 48px 0; }
.section-soft { background: var(--soft); }
.section-head { display: flex; align-items: center; justify-content: space-between; gap: 24px; margin-bottom: 25px; }
.section-head h2, .about-copy h2, .reading-copy h2, .help-copy h2 { font-size: 32px; font-weight: 500; letter-spacing: -.9px; }
.section-caption { font-size: 11px; color: var(--muted); }
.text-link { display: inline-flex; align-items: center; gap: 10px; font-size: 11px; color: var(--teal); text-decoration: none; }
.text-link .icon { width: 16px; }
.topic-grid { display: grid; grid-template-columns: repeat(4, minmax(0,1fr)); gap: 14px; }
.topic-card { background: #fff; border: 1px solid #edf0f2; border-radius: 5px; padding: 19px 17px 15px; min-height: 195px; display: flex; flex-direction: column; text-decoration: none; transition: border-color .2s; }
.topic-card:hover { border-color: #91c7ce; }
.topic-head { display: flex; justify-content: space-between; align-items: start; gap: 8px; min-height: 44px; margin-bottom: 13px; }
.topic-head h3 { font-size: 14px; font-weight: 600; line-height: 1.3; }
.topic-icon { color: #d58278; background: #fff5f3; padding: 5px; display: flex; border-radius: 4px; flex-shrink: 0; }
.topic-icon .icon { width: 23px; height: 23px; }
.topic-card p { font-size: 11px; color: var(--muted); line-height: 1.7; margin-bottom: 19px; }
.topic-link { display: flex; align-items: center; justify-content: center; gap: 12px; border: 1px solid #e9edef; border-radius: 3px; padding: 7px; margin-top: auto; font-size: 10px; }
.topic-link .icon { width: 13px; height: 13px; color: var(--teal); }
.about-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 52px; align-items: center; }
.about-visual { position: relative; }
.about-visual > img { border-radius: 6px; width: 100%; height: 355px; object-fit: cover; }
.about-visual figcaption { font-size: 9px; color: var(--muted); margin-top: 5px; }
.photo-note { position: absolute; left: 14px; bottom: 33px; background: white; padding: 17px 20px; border-radius: 4px; box-shadow: 0 6px 20px #334b5015; }
.photo-note .icon { color: #cc867a; margin-bottom: 8px; }
.photo-note strong { display: block; font-size: 12px; font-weight: 500; line-height: 1.45; }
.about-copy h2 { margin-bottom: 17px; }
.about-copy > p:not(.eyebrow) { font-size: 13px; color: var(--muted); line-height: 1.75; margin-bottom: 17px; }
.about-point { display: flex; gap: 13px; margin: 22px 0; }
.about-point > .icon { color: #d17c71; }
.about-point h3 { font-size: 13px; font-weight: 600; margin-bottom: 6px; }
.about-point p { font-size: 12px; color: var(--muted); line-height: 1.7; }
.feature-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 20px; }
.feature-card { background: #fff; border-radius: 6px; overflow: hidden; text-decoration: none; border: 1px solid #e8ecee; transition: border-color .2s; }
.feature-card:hover { border-color: var(--teal); }
.feature-visual { height: 168px; overflow: hidden; position: relative; display: grid; place-items: center; }
.rose { background: #f0e8e5; color: #ad746b; }
.blue { background: #dcecef; color: #5b929e; }
.mint { background: #e3eeea; color: #669783; }
.visual-grid { position: absolute; inset: 0; background-image: linear-gradient(#ffffff60 1px, transparent 1px), linear-gradient(90deg,#ffffff60 1px,transparent 1px); background-size: 27px 27px; }
.visual-symbol { position: relative; padding: 24px; display: flex; border: 1px solid #fff; background: #ffffff80; border-radius: 20px; transform: rotate(-6deg); }
.visual-symbol .icon { width: 60px; height: 60px; stroke-width: 1; }
.visual-orbit { position: absolute; border: 1px solid #ffffffbb; width: 250px; height: 110px; border-radius: 50%; transform: rotate(-30deg); }
.orbit-two { transform: rotate(35deg); width: 290px; height: 130px; }
.visual-label { position: absolute; bottom: 12px; left: 16px; font-size: 9px; color: #526269; }
.feature-copy { padding: 20px; }
.feature-copy h3 { font-size: 18px; font-weight: 550; margin-bottom: 9px; }
.feature-copy p { color: var(--muted); font-size: 12px; min-height: 42px; }
.feature-bottom { display: flex; align-items: center; justify-content: space-between; gap: 6px; margin-top: 18px; font-size: 10px; }
.feature-bottom > span:first-child { color: #b06555; }
.feature-bottom > span:last-child { display: flex; align-items: center; gap: 6px; padding: 4px 9px; border: 1px solid #e6e9eb; border-radius: 4px; }
.feature-bottom .icon { width: 12px; height: 12px; }
.reading-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 72px; align-items: center; }
.reading-copy > p:not(.eyebrow) { font-size: 13px; color: var(--muted); line-height: 1.8; max-width: 430px; margin-top: 18px; }
.reading-list { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; list-style: none; padding: 0; margin: 25px 0; }
.reading-list li { font-size: 11px; line-height: 1.55; display: flex; gap: 10px; align-items: center; }
.reading-list span { color: #55767d; padding: 7px 9px; background: #f0f5f6; border-radius: 3px; font-size: 12px; }
.article-preview { background: #f1f7f8; border-radius: 6px; padding: 25px 28px; border: 1px solid #d9e8eb; }
.preview-top { display: flex; justify-content: space-between; align-items: center; font-size: 10px; color: var(--teal); border-bottom: 1px solid #d5e5e8; padding-bottom: 16px; margin-bottom: 23px; }
.preview-category { font-size: 10px; color: var(--muted); margin-bottom: 9px; }
.article-preview h3 { font-size: 23px; font-weight: 500; letter-spacing: -.5px; line-height: 1.3; }
.preview-lines { margin: 17px 0 23px; display: grid; gap: 6px; }
.preview-lines span { display: block; height: 4px; background: #d7e5e8; border-radius: 2px; }
.preview-lines span:last-child { width: 65%; }
.preview-note { background: #fff; border-left: 2px solid var(--aqua); padding: 17px 15px; display: flex; gap: 11px; }
.preview-note .icon { color: var(--teal); width: 20px; }
.preview-note strong { font-size: 12px; font-weight: 600; }
.preview-note p { font-size: 11px; color: var(--muted); line-height: 1.9; margin-top: 8px; }
.article-preview > a { display: inline-flex; align-items: center; gap: 12px; font-size: 11px; text-decoration: none; color: var(--teal); margin-top: 20px; }
.article-preview > a .icon { width: 16px; height: 16px; }
.principle-strip { padding: 0 0 48px; }
.principle-grid { display: grid; grid-template-columns: repeat(4,1fr); gap: 14px; }
.principle-grid > div { background: #f7f8f9; border-radius: 5px; padding: 22px; }
.principle-grid .icon { color: #d88f83; width: 22px; margin-bottom: 15px; }
.principle-grid h3 { font-size: 13px; font-weight: 600; margin-bottom: 7px; }
.principle-grid p { font-size: 11px; color: var(--muted); line-height: 1.7; }
.catalog-controls { display: grid; grid-template-columns: 1fr 290px; gap: 12px; }
.search-wrap { position: relative; display: flex; align-items: center; }
.search-wrap > .icon { position: absolute; left: 15px; width: 18px; color: #6c8d96; }
.search-wrap input, .select-wrap select { width: 100%; height: 44px; border: 1px solid #dde5e8; background: #fff; border-radius: 4px; font-size: 12px; color: var(--ink); }
.search-wrap input { padding: 10px 15px 10px 43px; }
.select-wrap select { padding: 10px 14px; }
.catalog-status { display: flex; align-items: center; justify-content: space-between; min-height: 46px; font-size: 11px; color: var(--muted); }
.reset-button { background: none; border: none; color: var(--teal); font-size: 11px; }
.card-grid { display: grid; grid-template-columns: repeat(3,minmax(0,1fr)); gap: 10px; }
.card { display: flex; align-items: center; gap: 15px; padding: 17px 16px; background: white; border: 1px solid #e5eaec; border-radius: 4px; text-decoration: none; min-height: 84px; transition: border-color .2s; }
.card:hover { border-color: var(--aqua); }
.card-number { color: #9daeb4; font-size: 12px; }
.card-kicker { display: block; color: #68808a; font-size: 9px; line-height: 1.35; margin-bottom: 6px; }
.card h3 { font-size: 14px; font-weight: 500; line-height: 1.4; }
.card-link { margin-left: auto; color: var(--teal); flex-shrink: 0; }
.card-link .icon { width: 15px; height: 15px; }
.show-more { display: flex; margin: 24px auto 0; }
.empty { padding: 25px; background: #fff; border: 1px solid var(--line); margin-top: 10px; font-size: 13px; }
.help-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 30px; }
.help-copy { padding: 28px 30px; border: 1px solid #e5ecee; border-radius: 6px; }
.help-copy > p:not(.eyebrow) { font-size: 13px; color: var(--muted); margin-top: 16px; max-width: 400px; }
.question-link { display: inline-flex; gap: 20px; align-items: center; margin-top: 24px; font-size: 12px; text-decoration: none; color: var(--teal); }
.question-link .icon { width: 16px; height: 16px; }
.help-search { background: #368f99; padding: 28px 32px; border-radius: 6px; color: white; }
.help-search h2 { font-size: 27px; font-weight: 400; letter-spacing: -.5px; }
.help-search > p { font-size: 12px; margin: 12px 0 20px; }
.help-search > span { display: block; font-size: 10px; margin-top: 10px; }
.site-footer { background: #f6f8f9; padding: 38px 0 20px; border-radius: 0 0 14px 14px; border-top: 1px solid var(--line); }
.footer-grid { display: grid; grid-template-columns: 1.5fr 1fr 1fr; gap: 55px; }
.footer-copy { font-size: 11px; color: var(--muted); max-width: 350px; margin-top: 18px; }
.footer-column h2 { font-size: 13px; font-weight: 600; margin-bottom: 16px; }
.footer-column a { display: block; font-size: 11px; color: var(--muted); text-decoration: none; padding: 4px 0; }
.footer-column a:hover { color: var(--teal); }
.footer-bottom { border-top: 1px solid var(--line); margin-top: 30px; padding-top: 15px; font-size: 10px; color: var(--muted); }
.library-intro { padding: 40px 0 30px; }
.breadcrumbs { font-size: 11px; color: #6d7c84; line-height: 1.8; margin-bottom: 25px; }
.breadcrumbs a { text-decoration: none; }
.breadcrumbs span { padding-inline: 6px; color: #adb8bd; }
.library-intro h1 { font-size: 40px; font-weight: 500; letter-spacing: -1px; margin-bottom: 14px; }
.library-intro > .container > p { color: var(--muted); max-width: 640px; font-size: 14px; }
.library-page .section { padding-top: 24px; }
.library-page .section-head { display: none; }
.article-heading { padding: 32px 0 30px; border-bottom: 1px solid var(--line); }
.article-heading h1 { font-size: 40px; letter-spacing: -1.2px; font-weight: 550; line-height: 1.18; max-width: 900px; margin-bottom: 18px; }
.article-heading .eyebrow { font-size: 11px; }
.lead { max-width: 810px; color: #5d6e77; line-height: 1.8; font-size: 16px; }
.article-tags { display: flex; gap: 10px; margin-top: 21px; }
.article-tags span { background: #f4f7f8; border: 1px solid #e7edef; padding: 4px 10px; border-radius: 3px; font-size: 10px; color: #58727c; }
.article-shell { display: grid; grid-template-columns: minmax(0,1fr) 270px; gap: 45px; align-items: start; padding-block: 35px 55px; }
.article-body { min-width: 0; }
.article-body section { margin-bottom: 35px; scroll-margin-top: 100px; padding: 28px 30px; border: 1px solid #e5eaed; border-radius: 5px; background: white; }
.article-body h2 { font-size: 26px; font-weight: 500; letter-spacing: -.5px; margin-bottom: 18px; line-height: 1.3; }
.article-body p { font-size: 15px; line-height: 1.9; color: #4f636d; margin-bottom: 17px; }
.article-body p:last-child { margin-bottom: 0; }
.article-body ul { list-style: none; padding: 0; margin: 0 0 20px; }
.article-body ul:last-child { margin-bottom: 0; }
.article-body li { position: relative; padding: 12px 0 12px 23px; border-bottom: 1px solid #edf1f3; font-size: 14px; line-height: 1.8; }
.article-body li:last-child { border-bottom: 0; }
.article-body li::before { content: ""; position: absolute; top: 22px; left: 1px; width: 6px; height: 6px; background: var(--aqua); border-radius: 50%; }
.article-rail { position: sticky; top: 103px; }
.article-nav { border: 1px solid #dce7ea; border-radius: 5px; background: #f5fafb; padding: 24px 21px; }
.article-nav > p { font-size: 13px; font-weight: 600; margin-bottom: 15px; }
.article-nav a { display: flex; gap: 11px; padding: 10px 0; font-size: 12px; color: #536e79; text-decoration: none; border-bottom: 1px solid #e5edef; }
.article-nav a:last-child { border: 0; }
.article-nav a span { font-size: 10px; color: #8aa4ad; }
.article-nav a:hover { color: var(--teal); }
.rail-card { padding: 22px; margin-top: 18px; background: #4097a1; color: white; border-radius: 5px; }
.rail-card > .icon { margin-bottom: 13px; }
.rail-card h2 { font-size: 20px; font-weight: 450; margin-bottom: 12px; }
.rail-card p { font-size: 12px; line-height: 1.8; margin-bottom: 18px; }
.rail-card a { display: inline-flex; align-items: center; gap: 10px; font-size: 12px; }
.rail-card a .icon { width: 15px; }
.rail-related { padding: 22px; border: 1px solid var(--line); margin-top: 18px; border-radius: 5px; }
.rail-related h2 { font-size: 13px; font-weight: 600; margin-bottom: 15px; }
.rail-related a { display: block; font-size: 12px; line-height: 1.6; text-decoration: none; color: var(--teal); margin-bottom: 10px; }
.soft-note { margin: -12px 0 35px; padding: 23px 28px; border-left: 3px solid #49a3ad; background: #eef7f8; border-radius: 0 5px 5px 0; }
.soft-note strong { display: block; font-weight: 600; font-size: 15px; margin-bottom: 7px; }
.soft-note p { font-size: 13px; margin: 0; }
.questions { counter-reset: question; }
.questions li { padding-left: 39px; }
.questions li::before { counter-increment: question; content: counter(question); width: 24px; height: 24px; top: 13px; left: 0; display: grid; place-items: center; font-size: 11px; background: #eaf5f7; color: var(--teal); border-radius: 3px; }
.sources a { color: var(--teal); text-underline-offset: 3px; }
.sources li, .sources .source-note { font-size: 12px; }
.next-card { display: block; padding: 24px 28px; background: #f6f8f9; border: 1px solid var(--line); border-radius: 5px; text-decoration: none; }
.next-card span { color: var(--muted); font-size: 11px; }
.next-card strong { display: block; margin-top: 8px; font-size: 20px; font-weight: 500; line-height: 1.4; }
.next-card:hover { border-color: var(--teal); }
@media (max-width: 1100px) {
  .page-shell { margin: 0; border-radius: 0; }
  .header-inner { min-height: 74px; gap: 15px; }
  .nav { gap: 16px; }
  .nav a { font-size: 11px; }
  .hero-content { padding: 30px 25px; }
  .hero h1 { font-size: 34px; }
  .hero-facts strong { font-size: 11px; }
  .hero-facts .icon { width: 20px; }
  .search-ribbon > span { display: none; }
  .about-grid, .reading-grid { gap: 35px; }
  .article-shell { grid-template-columns: minmax(0,1fr) 240px; gap: 25px; }
}
@media (max-width: 850px) {
  .container, .header-inner { width: calc(100% - 40px); }
  .header-inner { flex-wrap: wrap; padding-block: 14px; }
  .nav { width: 100%; order: 3; justify-content: space-between; border-top: 1px solid #edf0f2; padding-top: 12px; }
  .site-header { position: relative; }
  .hero { grid-template-columns: 42% 58%; }
  .hero-content { padding: 25px; }
  .hero-facts { grid-template-columns: 1fr; gap: 7px; }
  .hero-facts > div { padding: 8px 10px; }
  .hero-facts strong { display: inline; margin-right: 7px; }
  .hero-about { display: none; }
  .hero h1 { font-size: 30px; }
  .topic-grid { grid-template-columns: repeat(2,minmax(0,1fr)); }
  .topic-card { min-height: 170px; }
  .section-head h2, .about-copy h2, .reading-copy h2 { font-size: 28px; }
  .about-visual > img { height: 390px; }
  .feature-grid { gap: 12px; }
  .feature-copy { padding: 15px; }
  .feature-copy h3 { font-size: 16px; }
  .feature-bottom { flex-wrap: wrap; gap: 10px; }
  .feature-visual { height: 145px; }
  .reading-grid { gap: 25px; }
  .article-preview { padding: 22px; }
  .article-preview h3 { font-size: 21px; }
  .reading-list { grid-template-columns: 1fr; gap: 10px; }
  .principle-grid { grid-template-columns: repeat(2,1fr); }
  .card-grid { grid-template-columns: repeat(2,minmax(0,1fr)); }
  .help-grid { gap: 20px; }
  .help-search, .help-copy { padding: 23px; }
  .help-search h2 { font-size: 24px; }
  .article-shell { grid-template-columns: 1fr; }
  .article-rail { position: static; grid-row: 1; }
  .article-nav { padding: 18px 21px; }
  .article-nav a { display: inline-flex; margin-right: 17px; padding: 8px 0; border: 0; }
  .rail-card, .rail-related { display: none; }
  .footer-grid { gap: 25px; }
  html { scroll-padding-top: 20px; }
}
@media (max-width: 560px) {
  body { background: white; }
  .container, .header-inner { width: calc(100% - 30px); }
  .header-inner { gap: 13px; }
  .nav { gap: 10px; }
  .nav a { font-size: 10px; }
  .header-search { font-size: 10px; padding: 8px 10px; gap: 7px; }
  .brand strong { font-size: 22px; }
  .hero { display: flex; flex-direction: column; margin-top: 12px; }
  .hero-content { padding: 25px 21px; order: -1; }
  .hero h1 { font-size: 35px; }
  .hero-copy { font-size: 13px; margin-bottom: 17px; }
  .hero-art { height: 180px; }
  .hero-art img { object-position: center 55%; }
  .hero-facts { grid-template-columns: 1fr 1fr; gap: 8px; }
  .hero-facts strong { display: block; margin: 0; font-size: 10px; }
  .hero-facts span { font-size: 9px; }
  .hero-facts .icon { width: 19px; }
  .hero-facts > div { gap: 7px; }
  .hero-about { display: inline; font-size: 10px; }
  .hero-actions { gap: 17px; }
  .button { font-size: 11px; }
  .search-ribbon { flex-direction: column; align-items: stretch; gap: 7px; }
  .section { padding: 34px 0; }
  .section-head { align-items: start; gap: 14px; margin-bottom: 21px; flex-wrap: wrap; }
  .section-head h2, .about-copy h2, .reading-copy h2, .help-copy h2 { font-size: 27px; }
  .section-head .text-link { font-size: 10px; }
  .topic-grid { gap: 10px; }
  .topic-card { padding: 15px 12px 12px; min-height: 206px; }
  .topic-head { flex-direction: column-reverse; justify-content: start; gap: 10px; margin-bottom: 10px; }
  .topic-head h3 { font-size: 13px; }
  .topic-icon { padding: 4px; }
  .topic-icon .icon { width: 20px; height: 20px; }
  .topic-card p { font-size: 11px; }
  .topic-link { font-size: 9px; gap: 6px; padding: 7px 4px; }
  .about-grid { grid-template-columns: 1fr; gap: 26px; }
  .about-visual > img { height: 280px; }
  .about-copy > p:not(.eyebrow) { font-size: 14px; }
  .about-copy h2 br { display: none; }
  .about-point p { font-size: 13px; }
  .feature-grid { grid-template-columns: 1fr; gap: 17px; }
  .feature-visual { height: 160px; }
  .feature-copy { padding: 20px; }
  .feature-copy h3 { font-size: 20px; }
  .feature-copy p { font-size: 13px; min-height: 0; }
  .feature-bottom { font-size: 11px; }
  .reading-grid { grid-template-columns: 1fr; gap: 28px; }
  .reading-list { grid-template-columns: 1fr 1fr; gap: 13px; }
  .reading-copy > p:not(.eyebrow) { font-size: 14px; }
  .principle-strip { padding-bottom: 34px; }
  .principle-grid { gap: 10px; }
  .principle-grid > div { padding: 17px 14px; }
  .principle-grid h3 { font-size: 12px; }
  .principle-grid p { font-size: 11px; }
  .catalog-controls { grid-template-columns: 1fr; gap: 9px; }
  .card-grid { grid-template-columns: 1fr; gap: 8px; }
  .card { min-height: 75px; }
  .card h3 { font-size: 15px; }
  .card-kicker { font-size: 10px; }
  .help-grid { grid-template-columns: 1fr; }
  .help-copy, .help-search { padding: 24px; }
  .footer-grid { grid-template-columns: 1fr 1fr; row-gap: 28px; }
  .footer-grid > div:first-child { grid-column: 1/-1; }
  .footer-copy { max-width: none; }
  .footer-bottom { line-height: 1.8; }
  .library-intro { padding: 25px 0 15px; }
  .library-intro h1 { font-size: 31px; }
  .article-heading { padding: 22px 0 25px; }
  .article-heading h1 { font-size: clamp(25px, 7.2vw, 31px); letter-spacing: -.8px; hyphens: auto; overflow-wrap: break-word; }
  .breadcrumbs { font-size: 10px; margin-bottom: 20px; }
  .lead { font-size: 15px; }
  .article-tags { flex-wrap: wrap; gap: 7px; }
  .article-shell { padding: 24px 0 35px; gap: 22px; }
  .article-body section { padding: 23px 18px; margin-bottom: 20px; scroll-margin-top: 20px; }
  .article-body h2 { font-size: 24px; }
  .article-body p { font-size: 15px; line-height: 1.85; }
  .article-body li { font-size: 14px; }
  .article-nav a { font-size: 11px; }
  .soft-note { padding: 22px 20px; margin: 0 0 20px; }
  .soft-note p { font-size: 13px; }
  .next-card { padding: 22px; }
  .next-card strong { font-size: 19px; }
}
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } * { transition: none !important; } }
@media print { .site-header, .site-footer, .article-rail, .next-card { display: none; } body, .page-shell { background: #fff; margin: 0; } .article-shell { display: block; } .article-body section { break-inside: avoid; border: 0; } }