.study-overview .overview-width { max-width: 900px; }
.study-overview .site-header { position: relative; }
.study-overview .brand small { font-size: 12px; letter-spacing: .24em; margin-top: -4px; }
.overview-header-cta { color: var(--gold); font-size: .9375rem; font-weight: 700; text-align: right; text-underline-offset: .25em; }
.overview-hero { padding: 32px 0 64px; }
.overview-breadcrumb { margin-bottom: 40px; font-size: .875rem; color: var(--ivory); }
.study-overview .eyebrow { font-size: .875rem; }
.overview-hero h1 { max-width: 850px; margin: 0 0 24px; font-family: var(--serif); font-size: clamp(2.5rem, 6vw, 4.5rem); line-height: 1.08; }
.overview-lead { max-width: 780px; font-size: 1.125rem; line-height: 1.8; color: var(--ivory); margin-bottom: 28px; }
.study-overview .button { font-size: 1rem; white-space: normal; text-align: center; }
.overview-note { margin: 20px 0 0; font-size: .875rem; color: var(--ivory); }
.overview-section { padding: 60px 0; }
.overview-section h2 { font-family: var(--serif); font-size: clamp(2rem, 4vw, 2.75rem); line-height: 1.2; margin: 36px 0 18px; }
.overview-section h2:first-child { margin-top: 0; }
.overview-section p { font-size: 1rem; }
.overview-section a:not(.button) { font-weight: 600; text-underline-offset: .2em; }
.overview-topics { margin: 32px 0 0; padding-left: 28px; }
.overview-topics li { padding: 20px 0 20px 10px; border-top: 1px solid var(--border); }
.overview-topics li::marker { color: var(--plum); font-weight: 700; }
.overview-topics h3 { margin: 0 0 8px; font-size: 1.125rem; line-height: 1.4; }
.overview-topics p { margin: 0; }
.overview-footer { padding: 36px 0; background: var(--plum); color: var(--white); }
.overview-footer p, .overview-footer a { font-size: .875rem; }
.overview-footer nav { display: flex; flex-wrap: wrap; gap: 12px 24px; }
.study-overview a:focus-visible { outline: 3px solid var(--gold); outline-offset: 5px; }
.overview-section a:focus-visible { outline-color: var(--plum); }
@media (max-width: 540px) {
  .study-overview .header-inner { gap: 16px; padding-block: 12px; flex-wrap: wrap; }
  .study-overview .brand { font-size: 18px; }
  .overview-header-cta { font-size: .875rem; }
  .overview-hero { padding-bottom: 40px; }
  .overview-section { padding: 40px 0; }
}
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }