:root {
  --ink: #17232a;
  --muted: #536269;
  --teal-950: #0b2229;
  --teal-900: #102d35;
  --teal-800: #17414a;
  --teal-700: #276b68;
  --mint: #eaf4f1;
  --mint-strong: #cce6df;
  --blue-soft: #eef3f8;
  --coral: #b84b32;
  --coral-hover: #993a26;
  --gold: #b99a43;
  --off-white: #fbfaf7;
  --white: #ffffff;
  --line: #dbe3e1;
  --shadow: 0 18px 44px rgb(11 34 41 / 10%);
  --container: 1120px;
}

* { box-sizing: border-box; }
html { scroll-behavior: auto; scroll-padding-top: 76px; }
body {
  margin: 0;
  background: var(--off-white);
  color: var(--ink);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Arial, sans-serif;
  font-size: 17px;
  line-height: 1.58;
  text-rendering: optimizeLegibility;
}
a { color: inherit; }
img { display: block; max-width: 100%; height: auto; }
button, input, textarea, select { font: inherit; }
h1, h2, h3, p { margin-top: 0; }
h1, h2, h3 { overflow-wrap: normal; word-break: normal; hyphens: none; }
.container { width: min(var(--container), calc(100% - 40px)); margin-inline: auto; }
.skip-link { position: fixed; left: 16px; top: 8px; z-index: 100; transform: translateY(-160%); padding: 10px 14px; border-radius: 8px; background: white; color: var(--teal-950); font-weight: 800; }
.skip-link:focus { transform: translateY(0); }
:focus-visible { outline: 3px solid #f0bd55; outline-offset: 3px; box-shadow: 0 0 0 5px var(--teal-950); }

.site-header { position: sticky; top: 0; z-index: 50; min-height: 68px; border-bottom: 1px solid rgb(255 255 255 / 13%); background: rgb(11 34 41 / 94%); color: white; backdrop-filter: blur(18px); }
.header-inner { width: min(1180px, calc(100% - 40px)); min-height: 68px; margin-inline: auto; display: grid; grid-template-columns: auto 1fr auto; align-items: center; gap: 28px; }
.brand { min-height: 44px; display: inline-flex; align-items: center; gap: 10px; color: inherit; text-decoration: none; font-weight: 850; letter-spacing: -.02em; white-space: nowrap; }
.brand-mark { display: grid; width: 38px; height: 38px; place-items: center; border-radius: 10px; background: white; color: var(--teal-950); font-size: 15px; font-weight: 900; }
.desktop-nav { justify-self: end; display: flex; align-items: center; gap: 8px; }
.desktop-nav a, .desktop-languages a { border-radius: 8px; color: rgb(255 255 255 / 82%); text-decoration: none; font-size: 14px; font-weight: 700; white-space: nowrap; }
.desktop-nav a { min-height: 44px; display: inline-flex; align-items: center; padding: 10px 11px; }
.desktop-nav a:hover, .desktop-nav a[aria-current="page"] { background: rgb(255 255 255 / 10%); color: white; }
.desktop-languages { display: flex; align-items: center; gap: 2px; padding: 4px; border: 1px solid rgb(255 255 255 / 16%); border-radius: 12px; background: rgb(255 255 255 / 6%); }
.desktop-languages a { padding: 6px 8px; }
.desktop-languages a:hover, .desktop-languages a[aria-current="page"] { background: white; color: var(--teal-950); }
.menu-button, .mobile-panel { display: none; }
.menu-button { cursor: pointer; }
.menu-open { overflow: hidden; }

.hero { position: relative; min-height: 670px; overflow: hidden; background: var(--teal-950); color: white; }
.hero-media { position: absolute; inset: 0 0 0 48%; }
.hero-media picture { display: contents; }
.hero-image { position: absolute; border: 1px solid rgb(255 255 255 / 14%); border-radius: 4px; opacity: .55; filter: saturate(.72) contrast(.92); box-shadow: 0 28px 65px rgb(0 0 0 / 28%); }
.hero-image-a { width: 49%; top: 34px; right: 5%; transform: rotate(-9deg); }
.hero-image-b { width: 48%; left: 2%; bottom: 48px; transform: rotate(7deg); }
.hero-image-c { width: 50%; right: -9%; bottom: -86px; transform: rotate(-2deg); }
.hero-overlay { position: absolute; inset: 0; background: linear-gradient(90deg, rgb(7 28 34 / 98%) 0%, rgb(7 28 34 / 92%) 47%, rgb(7 28 34 / 48%) 76%, rgb(7 28 34 / 34%) 100%), linear-gradient(0deg, rgb(7 28 34 / 56%), transparent 55%); }
.hero-grid { position: relative; min-height: 670px; display: grid; align-items: center; }
.hero-copy-block { max-width: 720px; padding: 74px 0 68px; }
.eyebrow, .section-kicker, .availability, .relationship-label, .card-topline span, .resource-links span { color: #2e706a; font-size: 13px; font-weight: 850; letter-spacing: .12em; line-height: 1.35; text-transform: uppercase; }
.hero .eyebrow, .research-section .section-kicker, .test-card .availability, .page-hero .section-kicker { color: #91c9bd; }
.hero h1 { max-width: 760px; margin-bottom: 26px; font-size: clamp(54px, 6.5vw, 86px); line-height: .99; letter-spacing: -.055em; }
.hero-copy { max-width: 680px; margin-bottom: 30px; color: rgb(255 255 255 / 88%); font-size: clamp(18px, 1.6vw, 21px); line-height: 1.55; }
.hero-inline-link { color: white; font-weight: 800; text-decoration-color: rgb(255 255 255 / 52%); text-decoration-thickness: 1px; text-underline-offset: 4px; }
.hero-inline-link:hover { text-decoration-color: white; }
.button-row { display: flex; flex-wrap: wrap; gap: 12px; }
.button { min-height: 50px; display: inline-flex; align-items: center; justify-content: center; padding: 12px 20px; border: 1px solid transparent; border-radius: 9px; text-decoration: none; font-size: 16px; font-weight: 850; line-height: 1.2; transition: background .18s ease, border-color .18s ease, transform .18s ease; }
.button:hover { transform: translateY(-1px); }
.button-primary { background: var(--coral); color: white; }
.button-primary:hover { background: var(--coral-hover); }
.button-secondary, .button-quiet { border-color: #b7c9c5; background: white; color: var(--teal-950); }
.button-on-dark { border-color: rgb(255 255 255 / 42%); background: rgb(255 255 255 / 8%); color: white; }
.button-on-dark:hover { background: rgb(255 255 255 / 15%); }
.hero-boundary { max-width: 680px; margin: 24px 0 0; padding-left: 16px; border-left: 2px solid #d7bd68; color: rgb(255 255 255 / 72%); font-size: 14px; line-height: 1.55; }
.hero-boundary strong { color: white; }

.relationship-bar { background: #dcece7; border-bottom: 1px solid #c7ddd7; }
.relationship-inner { min-height: 104px; display: grid; grid-template-columns: 150px 1fr; align-items: center; gap: 26px; }
.relationship-label { color: var(--teal-700); }
.relationship-inner p { margin: 0; color: #33484d; }
.domain-pill { display: inline-block; margin-left: 4px; padding: 1px 7px; border-radius: 6px; background: rgb(16 45 53 / 8%); color: var(--teal-900); font-size: 14px; font-weight: 800; text-decoration-color: rgb(16 45 53 / 36%); text-underline-offset: 3px; white-space: nowrap; }
.domain-pill:hover { background: rgb(16 45 53 / 14%); text-decoration-color: currentColor; }

.section { padding: 96px 0; }
.section-soft { background: #f1f6f4; }
.section-heading { max-width: 790px; margin-bottom: 42px; }
.section-heading h2, .test-intro h2, .research-copy h2, .resources-layout h2 { margin: 10px 0 20px; font-size: clamp(38px, 4.2vw, 58px); line-height: 1.04; letter-spacing: -.045em; }
.section-heading > p:last-child, .test-intro > p, .research-copy > p, .resources-layout > div > p { color: var(--muted); }
.compact-heading { max-width: 800px; }
.step-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.step-card { min-height: 260px; padding: 28px; border: 1px solid var(--line); border-radius: 14px; background: white; box-shadow: 0 8px 22px rgb(11 34 41 / 4%); }
.step-card > span { color: var(--coral); font-weight: 900; }
.step-card h3 { margin: 42px 0 12px; font-size: 24px; line-height: 1.12; letter-spacing: -.025em; }
.step-card p { margin-bottom: 0; color: var(--muted); }

.test-layout { display: grid; grid-template-columns: .82fr 1.18fr; align-items: center; gap: 64px; }
.test-layout > *, .research-layout > *, .resources-layout > * { min-width: 0; }
.quiet-link { display: inline-flex; min-height: 44px; align-items: center; gap: 8px; margin-top: 12px; color: var(--teal-700); font-weight: 800; text-underline-offset: 4px; }
.test-card { padding: 34px; border-radius: 18px; background: var(--teal-900); color: white; box-shadow: var(--shadow); }
.test-card-heading { display: flex; align-items: center; gap: 18px; margin-bottom: 28px; }
.test-logo { width: 76px; height: 76px; border-radius: 16px; }
.test-card h3 { margin: 4px 0 0; font-size: 30px; letter-spacing: -.03em; }
.test-logo-link { flex: 0 0 auto; display: inline-flex; border-radius: 16px; transition: transform 160ms ease, box-shadow 160ms ease; }
.test-logo-link:hover { transform: translateY(-2px); box-shadow: 0 12px 24px rgb(0 0 0 / 22%); }
.test-title-link { color: white; text-decoration-color: rgb(255 255 255 / 42%); text-decoration-thickness: 1px; text-underline-offset: 5px; }
.test-title-link:hover { text-decoration-color: white; }
.test-card-cta { width: 100%; min-height: 52px; margin: -8px 0 14px; justify-content: center; }
.language-options { display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; }
.language-options a { min-height: 106px; display: grid; grid-template-columns: auto 1fr; grid-template-rows: auto auto; align-content: center; gap: 2px 10px; padding: 16px; border: 1px solid rgb(255 255 255 / 16%); border-radius: 10px; background: rgb(255 255 255 / 8%); color: white; text-decoration: none; }
.language-options a:hover { background: rgb(255 255 255 / 14%); border-color: rgb(255 255 255 / 30%); }
.language-options a > span { grid-row: 1 / 3; align-self: center; font-size: 22px; }
.language-options strong { align-self: end; }
.language-options small { color: rgb(255 255 255 / 62%); font-size: 11px; line-height: 1.25; }

.education-section { background: var(--blue-soft); }
.language-notice { margin: -22px 0 26px; padding: 12px 14px; border-left: 3px solid var(--gold); background: rgb(255 255 255 / 62%); color: #536269; font-size: 14px; }
.heading-row { max-width: none; display: flex; align-items: end; justify-content: space-between; gap: 32px; }
.heading-row h2 { margin-bottom: 0; }
.education-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.education-card { min-height: 348px; display: flex; flex-direction: column; padding: 26px; border: 1px solid #d4dde4; border-radius: 14px; background: rgb(255 255 255 / 82%); }
.card-topline { display: flex; justify-content: space-between; align-items: baseline; }
.card-topline b { color: #c7d2da; font-size: 42px; line-height: 1; }
.education-card h3 { margin: 42px 0 14px; font-size: 24px; line-height: 1.15; letter-spacing: -.025em; }
.education-card p { color: var(--muted); }
.card-link { min-height: 44px; display: inline-flex; align-items: center; gap: 8px; margin-top: auto; color: var(--teal-700); font-weight: 850; text-underline-offset: 4px; }

.research-section { background: var(--teal-900); color: white; }
.research-layout { display: grid; grid-template-columns: .96fr 1.04fr; gap: 68px; align-items: start; }
.research-copy > p { color: rgb(255 255 255 / 72%); }
.stat-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 12px; }
.stat-grid > div { min-height: 170px; display: flex; flex-direction: column; justify-content: space-between; padding: 24px; border: 1px solid rgb(255 255 255 / 17%); border-radius: 12px; background: rgb(255 255 255 / 8%); }
.stat-grid strong { color: #c7ebe2; font-size: clamp(36px, 4vw, 54px); line-height: 1; letter-spacing: -.045em; }
.stat-grid span { color: rgb(255 255 255 / 72%); font-size: 15px; line-height: 1.4; }
.research-status { margin: 14px 0 0; padding: 15px 16px; border: 1px solid #d0ba65; border-radius: 9px; background: rgb(208 186 101 / 9%); color: #f3e7b6; font-size: 14px; }
.research-links { display: grid; grid-template-columns: repeat(3, 1fr); margin-top: 22px; border: 1px solid rgb(255 255 255 / 17%); border-radius: 10px; overflow: hidden; }
.research-links a { min-height: 58px; display: flex; align-items: center; justify-content: space-between; padding: 12px 16px; color: white; text-decoration: none; font-weight: 750; }
.research-links a + a { border-left: 1px solid rgb(255 255 255 / 17%); }
.research-links a:hover { background: rgb(255 255 255 / 8%); }
.research-language-note { margin: 14px 2px -8px; color: rgb(255 255 255 / 65%); font-size: 13px; }

.resources-section { background: #f5f8f6; }
.resources-layout { display: grid; grid-template-columns: .72fr 1.28fr; gap: 64px; align-items: start; }
.resource-links { display: grid; gap: 10px; }
.resource-links a { min-height: 104px; display: grid; grid-template-columns: 100px 1fr auto; align-items: center; gap: 18px; padding: 20px 22px; border: 1px solid var(--line); border-radius: 12px; background: white; text-decoration: none; }
.resource-links a:hover { border-color: #aac6bf; box-shadow: 0 10px 24px rgb(11 34 41 / 6%); }
.resource-links strong { font-size: 20px; }
.resource-links small { color: var(--teal-700); font-weight: 750; }

.medical-note { padding: 38px 0; border-top: 1px solid #edd8d1; background: #fff5f2; }
.medical-note p { margin: 0; color: #5f504c; font-size: 15px; }
.site-footer { padding: 58px 0; background: #0c1c22; color: white; }
.footer-inner { width: min(1180px, calc(100% - 40px)); margin-inline: auto; display: grid; grid-template-columns: 1.5fr .75fr .7fr; gap: 54px; }
.brand-footer { margin-bottom: 18px; }
.footer-brand p { max-width: 520px; margin: 0 0 9px; color: rgb(255 255 255 / 68%); }
.footer-relationship { font-size: 14px; }
.footer-domain-link { color: inherit; font-weight: 800; text-decoration-color: rgb(255 255 255 / 38%); text-underline-offset: 3px; }
.footer-domain-link:hover { color: white; text-decoration-color: currentColor; }
.footer-nav, .footer-languages { display: grid; align-content: start; gap: 8px; }
.footer-nav a, .footer-languages a { min-height: 44px; display: flex; align-items: center; color: rgb(255 255 255 / 72%); text-decoration: none; font-weight: 650; }
.footer-nav a:hover, .footer-languages a:hover { color: white; }
.footer-languages a[aria-current="page"] { color: white; text-decoration: underline; text-decoration-color: #8cc8bb; text-underline-offset: 5px; }

.narrow-container { width: min(820px, calc(100% - 40px)); margin-inline: auto; }
.page-hero { padding: 100px 0 76px; background: linear-gradient(140deg, var(--teal-950), var(--teal-800)); color: white; }
.page-hero h1, .article-header h1, .video-header h1 { margin: 10px 0 22px; font-size: clamp(46px, 6.5vw, 76px); line-height: 1.01; letter-spacing: -.052em; }
.page-hero p:last-child { max-width: 720px; margin-bottom: 0; color: rgb(255 255 255 / 76%); font-size: 19px; }
.education-index { background: var(--off-white); }
.education-index .education-card h2 { margin: 42px 0 14px; font-size: 24px; line-height: 1.15; letter-spacing: -.025em; }

.article-page, .video-page { width: min(1040px, calc(100% - 40px)); margin-inline: auto; padding: 84px 0 96px; }
.article-header, .video-header { max-width: 820px; margin-bottom: 66px; }
.article-header > p:last-child, .video-header > p { max-width: 760px; color: var(--muted); font-size: 20px; line-height: 1.6; }
.article-body { width: min(720px, 100%); margin: 0 auto; font-size: 18px; line-height: 1.72; }
.article-body > section { padding: 32px 0; border-top: 1px solid var(--line); }
.article-body h2, .video-page > section > h2 { margin: 0 0 16px; font-size: 30px; line-height: 1.15; letter-spacing: -.03em; }
.article-body p, .article-body li { color: #39494f; }
.article-body p { margin-bottom: 16px; }
.article-body a { color: #1d6964; font-weight: 750; text-underline-offset: 4px; }
.article-body ul { margin: 0; padding-left: 24px; }
.article-body li { margin: 8px 0; padding-left: 4px; }
.quick-answer { padding: 24px 26px; border-left: 4px solid var(--coral); border-radius: 0 10px 10px 0; background: #fff1ec; }
.quick-answer p { margin: 0; color: #493b38; font-weight: 620; }
.topic-video { display: grid; grid-template-columns: minmax(240px, .72fr) minmax(0, 1.28fr); gap: 0; margin: 0 0 66px; border: 1px solid var(--line); border-radius: 18px; overflow: hidden; background: white; box-shadow: var(--shadow); }
.topic-video-media { position: relative; min-height: 420px; display: block; overflow: hidden; background: #dce9e5; }
.topic-video-media picture { display: contents; }
.topic-video-media img { width: 100%; height: 100%; object-fit: cover; }
.play-badge { position: absolute; inset: 50% auto auto 50%; width: 64px; height: 64px; display: grid; place-items: center; padding-left: 4px; border-radius: 50%; background: rgb(184 75 50 / 96%); color: white; box-shadow: 0 10px 28px rgb(0 0 0 / 28%); }
.topic-video-content { align-self: center; padding: 42px; }
.topic-video-content h2, .topic-video-content h3 { margin: 8px 0 16px; font-size: 34px; line-height: 1.08; letter-spacing: -.035em; }
.topic-video-content > p:not(.section-kicker) { color: var(--muted); }
.topic-video-content details { margin-top: 24px; border-top: 1px solid var(--line); padding-top: 18px; }
.topic-video-content summary { cursor: pointer; color: var(--teal-700); font-weight: 800; }
.topic-video-content details p { margin: 15px 0 0; color: var(--muted); font-size: 15px; }
.related-articles { width: min(720px, 100%); margin: 46px auto 0; display: grid; grid-template-columns: repeat(2, 1fr); gap: 10px; }
.related-articles a { min-height: 72px; display: flex; align-items: center; justify-content: space-between; padding: 16px 18px; border: 1px solid var(--line); border-radius: 10px; background: white; color: var(--teal-900); text-decoration: none; font-weight: 800; }
.related-articles a:hover { border-color: #a8c5bd; }
.article-disclaimer { width: min(720px, 100%); margin: 42px auto 0; padding: 24px 26px; border: 1px solid #ead6ca; border-radius: 12px; background: #fff7f2; }
.article-disclaimer h2 { margin: 0 0 8px; font-size: 22px; }
.article-disclaimer p { margin: 0; color: #5d514c; font-size: 15px; }
.article-actions { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 24px; }
.article-page > .article-actions { width: min(720px, 100%); margin: 24px auto 0; }
.education-index-action { margin-top: 28px; }

.video-page { max-width: 1120px; }
.video-header { max-width: 850px; }
.video-page > section { margin-top: 70px; }
.compact-topic-video { grid-template-columns: 340px 1fr; }
.compact-topic-video .topic-video-media { min-height: 390px; }
.video-topics { padding-top: 10px; }
.topic-card-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.topic-card { min-height: 238px; padding: 26px; border: 1px solid var(--line); border-radius: 13px; background: white; }
.topic-card h3 { margin: 34px 0 12px; font-size: 23px; line-height: 1.16; letter-spacing: -.025em; }
.topic-card > p:last-child { margin-bottom: 0; color: var(--muted); }
.topic-card-link { display: block; color: var(--ink); text-decoration: none; transition: transform 160ms ease, border-color 160ms ease, box-shadow 160ms ease; }
.topic-card-link:hover { transform: translateY(-2px); border-color: #9fc6bd; box-shadow: 0 14px 30px rgb(16 45 53 / 10%); }

@media (max-width: 980px) {
  .test-layout, .research-layout, .resources-layout { grid-template-columns: 1fr; }
  .test-intro { max-width: 760px; }
  .resources-layout { gap: 28px; }
}

@media (max-width: 900px) {
  html { scroll-padding-top: 62px; }
  .site-header, .header-inner { min-height: 62px; }
  .header-inner { width: calc(100% - 32px); grid-template-columns: 1fr auto; }
  .brand-mark { width: 34px; height: 34px; border-radius: 9px; }
  .desktop-nav, .desktop-languages { display: none; }
  .menu-button { min-width: 88px; min-height: 44px; display: inline-flex; align-items: center; justify-content: center; gap: 9px; padding: 8px 12px; border: 1px solid rgb(255 255 255 / 18%); border-radius: 9px; background: rgb(255 255 255 / 7%); color: white; font-size: 14px; font-weight: 800; }
  .menu-icon { width: 17px; display: grid; gap: 4px; }
  .menu-icon i { display: block; height: 2px; border-radius: 2px; background: currentColor; }
  .mobile-panel { position: fixed; inset: 62px 0 auto; display: block; padding: 12px 20px 22px; border-top: 1px solid rgb(255 255 255 / 10%); background: #0b2229; box-shadow: 0 24px 55px rgb(0 0 0 / 28%); transform: translateY(-10px); opacity: 0; visibility: hidden; transition: opacity .16s ease, transform .16s ease, visibility .16s; }
  .mobile-panel.is-open { transform: translateY(0); opacity: 1; visibility: visible; }
  .mobile-nav { display: grid; }
  .mobile-nav a { min-height: 52px; display: flex; align-items: center; padding: 0 12px; border-bottom: 1px solid rgb(255 255 255 / 10%); color: rgb(255 255 255 / 82%); text-decoration: none; font-weight: 800; white-space: nowrap; }
  .mobile-nav a[aria-current="page"] { color: white; background: rgb(255 255 255 / 7%); box-shadow: inset 3px 0 #9acfc4; }
  .mobile-language-label { margin: 20px 12px 9px; color: rgb(255 255 255 / 54%); font-size: 12px; font-weight: 850; letter-spacing: .08em; text-transform: uppercase; }
  .mobile-languages { display: grid; grid-template-columns: repeat(3, 1fr); gap: 8px; }
  .mobile-languages a { min-height: 48px; display: flex; align-items: center; justify-content: center; border: 1px solid rgb(255 255 255 / 15%); border-radius: 8px; color: rgb(255 255 255 / 76%); text-decoration: none; font-size: 14px; font-weight: 800; white-space: nowrap; }
  .mobile-languages a[aria-current="page"] { background: white; color: var(--teal-950); }
  .hero, .hero-grid { min-height: 650px; }
  .hero-media { inset: 0; }
  .hero-image-a { width: 55%; top: 74px; right: -5%; opacity: .34; }
  .hero-image-b, .hero-image-c { display: none; }
  .hero-overlay { background: linear-gradient(90deg, rgb(7 28 34 / 98%), rgb(7 28 34 / 82%)), linear-gradient(0deg, rgb(7 28 34 / 55%), transparent); }
  .hero-copy-block { padding: 64px 0 58px; }
  .step-grid, .education-grid { grid-template-columns: 1fr; }
  .step-card, .education-card { min-height: auto; }
  .step-card h3, .education-card h3 { margin-top: 24px; }
  .heading-row { align-items: start; flex-direction: column; }
  .footer-inner { grid-template-columns: 1fr 1fr; }
  .footer-brand { grid-column: 1 / -1; }
  .topic-video, .compact-topic-video { grid-template-columns: 1fr; }
  .topic-video-media, .compact-topic-video .topic-video-media { min-height: 360px; max-height: 520px; }
  .topic-card-grid { grid-template-columns: 1fr; }
}

@media (max-width: 560px) {
  body { font-size: 16.5px; }
  .container { width: min(100% - 36px, var(--container)); }
  .hero, .hero-grid { min-height: 682px; }
  .hero-copy-block { padding: 56px 0 48px; }
  .eyebrow { max-width: 260px; font-size: 11px; }
  .hero h1 { max-width: 360px; margin-bottom: 22px; font-size: clamp(43px, 12vw, 54px); line-height: 1.01; }
  .hero-copy { font-size: 17px; line-height: 1.52; }
  .button-row { display: grid; }
  .button { width: 100%; min-height: 52px; }
  .hero-boundary { font-size: 13px; }
  .relationship-inner { min-height: auto; grid-template-columns: 1fr; gap: 8px; padding-block: 24px; }
  .section { padding: 70px 0; }
  .section-heading { margin-bottom: 30px; }
  .section-heading h2, .test-intro h2, .research-copy h2, .resources-layout h2 { font-size: 34px; line-height: 1.08; }
  .step-grid { gap: 12px; }
  .step-card { padding: 22px; }
  .test-layout { gap: 34px; }
  .test-card { padding: 22px; }
  .test-logo { width: 64px; height: 64px; }
  .language-options { grid-template-columns: 1fr; }
  .language-options a { min-height: 74px; }
  .education-grid { gap: 12px; }
  .education-card { min-height: 310px; padding: 22px; }
  .research-layout { gap: 34px; }
  .stat-grid { gap: 8px; }
  .stat-grid > div { min-height: 138px; padding: 18px; }
  .stat-grid strong { font-size: 36px; }
  .stat-grid span { font-size: 13px; }
  .research-links { grid-template-columns: 1fr; }
  .research-links a + a { border-left: 0; border-top: 1px solid rgb(255 255 255 / 17%); }
  .resource-links a { grid-template-columns: 1fr; gap: 4px; }
  .footer-inner { grid-template-columns: 1fr; gap: 26px; }
  .footer-brand { grid-column: auto; }
  .footer-nav, .footer-languages { grid-template-columns: repeat(2, 1fr); }
  .page-hero { padding: 68px 0 58px; }
  .page-hero h1, .article-header h1, .video-header h1 { font-size: 43px; }
  .article-page, .video-page { width: calc(100% - 36px); padding: 62px 0 72px; }
  .article-header, .video-header { margin-bottom: 46px; }
  .article-header > p:last-child, .video-header > p { font-size: 18px; }
  .article-body h2, .video-page > section > h2 { font-size: 27px; }
  .quick-answer { padding: 20px; }
  .topic-video { margin-bottom: 48px; }
  .topic-video-media, .compact-topic-video .topic-video-media { min-height: 320px; }
  .topic-video-content { padding: 26px 22px; }
  .topic-video-content h2, .topic-video-content h3 { font-size: 29px; }
  .related-articles { grid-template-columns: 1fr; }
  .article-actions .button { width: 100%; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; }
}