:root {
  color-scheme: light;
  --paper: #f8f6ef;
  --white: #fffefa;
  --ink: #163a40;
  --muted: #476168;
  --teal: #096f65;
  --teal-dark: #08574f;
  --teal-pale: #e7efea;
  --line: #cdd8d0;
  --gold: #875016;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: 18px;
  line-height: 1.6;
  color: var(--ink);
  background: var(--paper);
}
* { box-sizing: border-box; }
html { scroll-padding-top: 1.5rem; }
body { margin: 0; }
[hidden] { display: none !important; }
a { color: var(--teal-dark); text-underline-offset: .22em; }
button { font: inherit; }
a, button, [tabindex] { scroll-margin-block: 1.5rem; }
:focus-visible { outline: 3px solid var(--gold); outline-offset: 5px; }
p, h1, h2, h3, figure, dl { margin-block-start: 0; }
p { margin-bottom: 1rem; }
p:last-child { margin-bottom: 0; }
h1, h2, h3 { line-height: 1.15; letter-spacing: -.045em; font-weight: 650; }
h1 { font-size: clamp(2.7rem, 5.65vw, 4.8rem); margin-bottom: 1.4rem; }
h2 { font-size: clamp(1.9rem, 3.1vw, 2.8rem); margin-bottom: 1.2rem; }
h3 { font-size: 1.25rem; letter-spacing: -.02em; margin-bottom: .5rem; }
.skip-link { position: absolute; z-index: 10; top: .5rem; left: .5rem; padding: .7rem 1rem; color: white; background: var(--teal-dark); transform: translateY(-190%); }
.skip-link:focus { transform: none; }
.site-header, main, .site-footer { width: min(1240px, calc(100% - 5.4rem)); margin-inline: auto; }
.site-header { display: flex; align-items: center; justify-content: space-between; gap: 1rem; padding-block: 1.4rem; border-bottom: 1px solid var(--line); }
.brand { display: inline-flex; align-items: center; gap: .65rem; color: var(--ink); text-decoration: none; font-size: 1.5rem; font-weight: 750; letter-spacing: -.055em; min-height: 44px; }
.brand-mark { display: flex; align-items: end; gap: 3px; width: 25px; height: 26px; }
.brand-mark span { width: 6px; background: var(--teal); border-radius: 4px; }
.brand-mark span:nth-child(1) { height: 10px; }
.brand-mark span:nth-child(2) { height: 18px; }
.brand-mark span:nth-child(3) { height: 26px; }
.site-nav { display: flex; flex-wrap: wrap; gap: .3rem 1.6rem; font-size: .88rem; }
.site-nav a { display: inline-flex; align-items: center; min-height: 44px; color: var(--ink); font-weight: 550; text-decoration: none; }
.site-nav a:hover, .site-nav a[aria-current="page"] { text-decoration: underline; }
.eyebrow { font-size: .75rem; font-weight: 750; letter-spacing: .12em; text-transform: uppercase; color: var(--teal); margin-bottom: 1rem; }
.hero { display: grid; grid-template-columns: 1.08fr 1fr; gap: clamp(2rem, 4vw, 4.5rem); padding-block: 4.5rem 5rem; align-items: center; }
.hero-copy h1 span { color: var(--teal); }
.hero-lede { max-width: 31rem; font-size: 1.12rem; color: var(--muted); margin-bottom: 1.8rem; }
.primary-button { display: inline-flex; justify-content: space-between; align-items: center; gap: 1.2rem; min-height: 52px; padding: .8rem 1.2rem; background: var(--teal-dark); border: 1px solid var(--teal-dark); border-radius: 6px; color: white; font-size: .95rem; font-weight: 650; line-height: 1.4; text-decoration: none; }
.primary-button:hover { background: var(--ink); border-color: var(--ink); }
.cta-note { max-width: 30rem; color: var(--muted); font-size: .82rem; margin-top: .85rem; }
.practice-illustration { margin: 0; padding: 1.5rem 1rem 1rem; background: #e6ede4; border-radius: 14px; }
.illustration-label { color: var(--teal-dark); font-size: .76rem; font-weight: 650; margin: 0 .6rem 1rem; }
.sample-sheet { background: var(--white); padding: 1.7rem; border: 1px solid #c8d4cc; border-radius: 9px; }
.sample-context { font-size: .8rem; color: var(--muted); }
.sample-question { font-size: 1.45rem; font-weight: 650; line-height: 1.3; letter-spacing: -.035em; margin: 1.3rem 0; }
.sample-choices { list-style: none; padding: 0; margin: 0; display: grid; gap: .65rem; }
.sample-choices li { display: flex; align-items: center; gap: .8rem; padding: .7rem .75rem; border: 1px solid var(--line); border-radius: 6px; font-size: .87rem; line-height: 1.45; }
.sample-letter { display: inline-flex; align-items: center; justify-content: center; flex: 0 0 1.8rem; min-height: 1.8rem; background: var(--teal-pale); color: var(--teal-dark); border-radius: 4px; font-size: .75rem; font-weight: 700; }
.sample-unsure { font-size: .88rem; color: var(--teal-dark); padding-block: 1rem .7rem; margin: 0; }
.sample-caption { font-size: .76rem; color: var(--muted); border-top: 1px solid var(--line); padding-top: .8rem; }
.approach-section, .development-section { display: grid; grid-template-columns: 1fr 1.1fr; gap: clamp(2rem, 6vw, 6rem); padding-block: 4.5rem; border-top: 1px solid var(--line); }
.section-intro p:not(.eyebrow) { max-width: 30rem; color: var(--muted); }
.principles article { display: flex; align-items: start; gap: 1.3rem; padding-block: 1.5rem; border-bottom: 1px solid var(--line); }
.principles article:first-child { padding-top: .2rem; }
.principles article:last-child { border-bottom: 0; }
.principles p { color: var(--muted); font-size: .95rem; }
.principle-number { color: var(--teal); font-size: .85rem; font-weight: 700; flex: 0 0 1.3rem; padding-top: .16rem; }
.development-list { margin-bottom: 0; }
.development-list div { padding-block: 1.4rem; border-bottom: 1px solid var(--line); }
.development-list div:first-child { padding-top: .2rem; }
.development-list div:last-child { border-bottom: 0; }
.development-list dt { color: var(--teal-dark); font-size: 1.1rem; font-weight: 650; margin-bottom: .55rem; }
.development-list dd { margin: 0; font-size: .95rem; color: var(--muted); }
.practice-invitation { display: flex; align-items: center; justify-content: space-between; gap: 2rem; padding: 3rem; margin-block: 1rem 4rem; border-radius: 12px; background: var(--teal-pale); }
.practice-invitation div { max-width: 35rem; }
.practice-invitation h2 { font-size: 2rem; }
.practice-invitation p:not(.eyebrow) { color: var(--muted); font-size: .92rem; }
.practice-invitation > a { flex-shrink: 0; }
.site-footer { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 1rem 2rem; border-top: 1px solid var(--line); padding-block: 1.5rem 2rem; font-size: .77rem; color: var(--muted); }
.site-footer p { margin: 0; }
.site-footer a:not(.brand) { display: inline-flex; min-height: 44px; align-items: center; }
.footer-brand { font-size: 1.2rem; }
.document-page { max-width: 860px; padding-block: 3.5rem 4.5rem; }
.document-page h1 { font-size: clamp(2.3rem, 4vw, 3.7rem); }
.document-intro { color: var(--muted); font-size: 1.12rem; margin-bottom: 2.5rem; }
.document-section { padding-block: 1.6rem; border-top: 1px solid var(--line); }
.document-section h2 { font-size: 1.55rem; letter-spacing: -.025em; }
.document-section p, .document-section li { max-width: 43rem; }
.document-section ul { padding-left: 1.35rem; }
.document-section li { margin-bottom: .65rem; }
.document-callout { margin-top: 2rem; padding: 1.4rem; background: var(--teal-pale); border-left: 3px solid var(--teal); }
.error-page { min-height: 62vh; max-width: 850px; padding-block: 4.5rem; }
.error-page p:not(.eyebrow) { max-width: 33rem; color: var(--muted); margin-bottom: 2rem; }
@media (max-width: 900px) {
  .hero { grid-template-columns: 1fr; padding-block: 3rem; gap: 2.5rem; }
  .hero-copy { max-width: 40rem; }
  h1 { font-size: clamp(2.7rem, 8vw, 4rem); }
  .practice-illustration { width: min(100%, 600px); }
  .approach-section, .development-section { grid-template-columns: 1fr; gap: 2rem; padding-block: 3rem; }
  .practice-invitation { align-items: start; flex-direction: column; padding: 2rem; }
}
@media (max-width: 580px) {
  :root { font-size: 17px; }
  .site-header, main, .site-footer { width: calc(100% - 2rem); }
  .site-header { align-items: start; flex-direction: column; gap: .2rem; padding-block: .8rem; }
  .site-nav { gap: .2rem 1.4rem; font-size: .84rem; }
  .hero { padding-block: 2.1rem 2.5rem; }
  h1 { font-size: clamp(2.6rem, 11vw, 3.5rem); }
  .hero-lede { font-size: 1rem; }
  .primary-button { max-width: 100%; }
  .sample-sheet { padding: 1.2rem; }
  .practice-illustration { padding: 1.1rem .7rem .7rem; }
  .sample-question { font-size: 1.3rem; }
  .principles article { gap: .85rem; }
  .practice-invitation { padding: 1.5rem; margin-block: .5rem 2.5rem; }
  .practice-invitation h2 { font-size: 1.8rem; }
  .document-page { padding-block: 2.2rem 3rem; }
  .document-intro { font-size: 1rem; }
  .site-footer { align-items: start; flex-direction: column; gap: .5rem; }
}
@media (prefers-reduced-motion: reduce) { *, *::before, *::after { scroll-behavior: auto !important; } }
@media (forced-colors: active) { .primary-button, .sample-sheet, .sample-choices li, .sample-letter { border: 1px solid ButtonText; } }
