.case-study { max-width: 1184px; margin: 0 auto; padding: 40px 32px 64px; }
.case-heading { max-width: 880px; }
.case-back { display: inline-block; margin-bottom: 32px; color: var(--muted); font-size: 14px; text-underline-offset: 4px; }
.case-heading h1 { margin: 0 0 24px; font-size: 42px; line-height: 1.16; letter-spacing: 0; text-wrap: balance; }
.case-lead { max-width: 760px; font-size: 19px; line-height: 1.65; color: var(--muted); }
.case-byline { margin: 24px 0 0; color: var(--muted); font-size: 14px; }
.case-facts { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 24px; margin: 36px 0; padding: 22px 0; border-block: 1px solid var(--line); }
.case-facts dt { margin-bottom: 6px; font-size: 13px; color: var(--muted); }
.case-facts dd { margin: 0; font-size: 15px; font-weight: 700; }
.case-overview { margin: 0 0 52px; }
.case-overview img { display: block; width: 100%; height: auto; border: 1px solid var(--line); }
.case-study figcaption { margin-top: 12px; color: var(--muted); font-size: 14px; line-height: 1.6; }
.case-layout { display: grid; grid-template-columns: 210px minmax(0, 1fr); gap: 56px; align-items: start; }
.case-index { position: sticky; top: 116px; display: grid; gap: 14px; border-left: 2px solid var(--line); padding-left: 18px; }
.case-index p { margin: 0; font-weight: 700; font-size: 14px; }
.case-index a { font-size: 14px; line-height: 1.5; color: var(--muted); text-underline-offset: 4px; }
.case-study section[id] { scroll-margin-top: 130px; }
.case-copy section + section { margin-top: 48px; padding-top: 32px; border-top: 1px solid var(--line); }
.case-study h2 { margin: 0 0 20px; font-size: 28px; line-height: 1.25; letter-spacing: 0; text-wrap: balance; }
.case-copy h3 { margin: 28px 0 10px; font-size: 20px; line-height: 1.35; }
.case-copy p:not(.section-kicker), .case-examples > p:not(.section-kicker), .case-conclusion > p:not(.section-kicker) { font-size: 17px; line-height: 1.75; color: var(--muted); }
.case-copy strong { color: var(--ink); }
.case-steps { padding-left: 25px; margin: 26px 0; }
.case-steps li { padding: 0 0 18px 8px; font-size: 16px; line-height: 1.7; }
.case-steps strong, .case-steps span { display: block; }
.case-steps span { color: var(--muted); }
.case-examples { margin-top: 56px; padding-top: 36px; border-top: 1px solid var(--line); }
.case-examples > p { max-width: 760px; }
.case-gallery { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 24px; margin-top: 28px; }
.case-gallery figure { min-width: 0; margin: 0; }
.case-gallery a { display: block; background: white; border: 1px solid var(--line); }
.case-gallery img { display: block; width: 100%; height: auto; aspect-ratio: 210 / 297; object-fit: contain; }
.case-gallery figcaption strong { display: block; color: var(--ink); font-size: 16px; margin-bottom: 5px; }
[data-case-image] { cursor: zoom-in; }
.case-conclusion { padding-top: 36px; margin-top: 52px; border-top: 2px solid var(--leaf); max-width: 820px; }
.case-actions { display: flex; flex-wrap: wrap; align-items: center; gap: 24px; margin-top: 24px; }
.case-actions .button { white-space: normal; text-align: center; }
.case-lightbox { width: min(1200px, calc(100% - 24px)); max-width: none; max-height: calc(100dvh - 24px); padding: 0; border: 1px solid var(--line); border-radius: 6px; background: white; color: var(--ink); }
.case-lightbox::backdrop { background: rgb(0 0 0 / 72%); }
.case-lightbox-bar { position: sticky; top: 0; display: grid; grid-template-columns: 44px minmax(0, 1fr) 44px 44px; gap: 8px; align-items: center; padding: 12px; border-bottom: 1px solid var(--line); background: white; }
.case-lightbox-bar button { display: grid; place-items: center; width: 44px; height: 44px; padding: 0; border: 1px solid var(--line); border-radius: 4px; background: white; color: var(--ink); cursor: pointer; font-size: 24px; }
.case-lightbox-bar p { margin: 0; font-size: 14px; line-height: 1.4; }
.case-lightbox > img { display: block; width: 100%; height: auto; }
.case-lightbox :focus-visible, .case-study a:focus-visible { outline: 3px solid var(--leaf); outline-offset: 3px; }
@media (max-width: 920px) {
  .case-layout { grid-template-columns: minmax(0, 1fr); gap: 32px; }
  .case-index { position: static; grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .case-index p { grid-column: 1 / -1; }
}
@media (max-width: 600px) {
  .case-study { padding: 28px 20px 48px; }
  .case-heading h1 { font-size: 30px; line-height: 1.2; }
  .case-lead { font-size: 17px; }
  .case-back { margin-bottom: 26px; }
  .case-facts { grid-template-columns: minmax(0, 1fr); gap: 18px; }
  .case-study h2 { font-size: 24px; }
  .case-gallery { grid-template-columns: minmax(0, 1fr); gap: 30px; }
  .case-overview { margin-bottom: 32px; }
  .case-lightbox-bar { gap: 4px; padding: 8px; }
}