:root {
  --ink: #102b42;
  --blue: #17506f;
  --paper: #fbfcfd;
  --muted: #566a78;
  --line: #d8e2e9;
  --accent: #b96843;
  --wash: #eaf2f7;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; background: var(--paper); color: var(--ink); font: 17px/1.7 Arial, Helvetica, sans-serif; }
a { color: inherit; text-underline-offset: 4px; }
a:hover { color: var(--accent); }
a:focus-visible, button:focus-visible { outline: 3px solid var(--accent); outline-offset: 5px; }
header, main, footer { max-width: 1240px; margin: auto; padding: 0 40px; }
.skip { position: absolute; left: 16px; top: -100px; background: white; padding: 10px; z-index: 10; }
.skip:focus { top: 10px; }
header { display: flex; justify-content: space-between; align-items: center; gap: 25px; padding-top: 27px; padding-bottom: 27px; border-bottom: 1px solid var(--line); }
.brand { font: 700 22px/1.2 Georgia, serif; text-decoration: none; letter-spacing: -.5px; }
.brand span { display: block; margin-top: 5px; font: 11px/1.6 Arial, sans-serif; letter-spacing: 2.5px; text-transform: uppercase; }
nav { display: flex; gap: 28px; flex-wrap: wrap; }
nav a { font-size: 14px; text-decoration: none; }
.eyebrow { font-size: 12px; font-weight: 700; letter-spacing: 2px; text-transform: uppercase; color: var(--blue); }
.hero { padding: 68px 0 52px; display: grid; grid-template-columns: 1.5fr 1fr; gap: 70px; align-items: center; }
h1, h2, h3 { font-family: Georgia, 'Times New Roman', serif; font-weight: 400; line-height: 1.13; }
h1 { font-size: clamp(42px, 5.8vw, 76px); letter-spacing: -2.5px; margin: 18px 0 24px; }
h2 { font-size: 36px; letter-spacing: -.8px; }
h3 { font-size: 27px; letter-spacing: -.4px; }
.hero p { max-width: 590px; color: var(--muted); }
.feature { background: var(--ink); color: white; border-top: 5px solid #95bacf; overflow: hidden; }
.feature img { display: block; width: 100%; height: 235px; object-fit: cover; }
.feature-copy { padding: 28px 32px 32px; }
.feature .eyebrow { color: #b2d6e9; }
.feature h2 { font-size: 40px; margin: 14px 0; }
.feature p { color: #d4e2ea; font-size: 16px; }
.text-link { display: inline-block; font-size: 14px; font-weight: 700; margin-top: 14px; }
.section-head { display: flex; justify-content: space-between; align-items: baseline; gap: 20px; border-top: 1px solid var(--ink); padding-top: 24px; }
.section-head h2 { margin: 0 0 25px; }
.section-head p { color: var(--muted); font-size: 14px; }
.grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 30px; }
.card { border-top: 1px solid var(--line); padding: 24px 0 32px; }
.card h3 { margin: 13px 0; }
.card h3 a { text-decoration: none; }
.card p { font-size: 16px; color: var(--muted); margin-bottom: 10px; }
.meta { font-size: 13px; color: var(--muted); }
.note { padding: 27px 32px; background: var(--wash); margin: 36px 0 60px; border-left: 3px solid var(--blue); }
.note p { margin: 8px 0; }
.note h2 { font-size: 26px; margin: 0; }
.note a { font-size: 14px; }
footer { margin-top: 60px; border-top: 1px solid var(--line); padding-top: 30px; padding-bottom: 35px; display: grid; grid-template-columns: 1fr 1fr; gap: 35px; }
footer p { font-size: 13px; color: var(--muted); max-width: 630px; }
footer nav { gap: 18px; }
.article-header { max-width: 880px; padding: 50px 0 25px; }
.article-header h1 { font-size: clamp(38px, 5vw, 62px); }
.article-layout { display: grid; grid-template-columns: minmax(0, 760px) 240px; gap: 70px; padding-bottom: 40px; }
.prose h2 { font-size: 31px; margin-top: 38px; }
.prose p { margin: 16px 0; }
.prose li { margin: 8px 0; }
.answer { font-size: 20px; line-height: 1.6; border-left: 3px solid var(--blue); padding-left: 24px; margin: 24px 0 34px; }
.prose .source-list { font-size: 15px; }
.prose sup a { font: 12px Arial, sans-serif; color: var(--blue); }
aside { font-size: 14px; }
aside .note { padding: 20px; margin-top: 24px; }
aside h2 { font-size: 22px; }
.toc { display: grid; gap: 10px; }
.breadcrumb { font-size: 13px; color: var(--muted); }
.label { display: inline-block; background: var(--wash); padding: 4px 9px; font-size: 12px; color: var(--blue); }
.wide-intro { max-width: 780px; padding: 45px 0 25px; }
.wide-intro h1 { font-size: 58px; }
figure { margin: 28px 0 36px; }
.research-image { display: block; width: 100%; height: auto; aspect-ratio: 16 / 9; object-fit: cover; margin: 0 0 12px; border-radius: 2px; }
.caption { font-size: 12px; color: var(--muted); }

@media (max-width: 850px) {
  header { align-items: flex-start; flex-direction: column; }
  .hero { grid-template-columns: 1fr; gap: 25px; padding-top: 40px; }
  .grid { grid-template-columns: repeat(2, 1fr); }
  .article-layout { grid-template-columns: 1fr; gap: 10px; }
  .article-layout aside { border-top: 1px solid var(--line); }
  .section-head { align-items: flex-start; flex-direction: column; gap: 0; }
  .section-head p { margin-top: 0; }
  footer { grid-template-columns: 1fr; }
}

@media (max-width: 540px) {
  header, main, footer { padding-left: 22px; padding-right: 22px; }
  nav { gap: 17px; }
  .grid { grid-template-columns: 1fr; gap: 0; }
  h1 { letter-spacing: -1.4px; }
  .feature-copy { padding: 24px; }
  .feature img { height: 200px; }
  .wide-intro h1 { font-size: 42px; }
  .note { padding: 20px; }
  .hero { padding-bottom: 35px; }
}

@media (prefers-reduced-motion: reduce) {
  * { scroll-behavior: auto !important; }
}