.case-content { padding-block: 58px 76px; }
.case-heading { display: grid; grid-template-columns: minmax(0,1.35fr) minmax(0,1fr); align-items: end; gap: 34px; margin-bottom: 32px; }
.case-heading h1 { color: var(--navy); font-size: clamp(40px,5.5vw,70px); line-height: 1.06; letter-spacing: -.045em; margin: 14px 0 18px; }
.case-heading h1 span { display: block; color: var(--navy-soft); font-size: .48em; line-height: 1.3; letter-spacing: -.025em; margin-top: 14px; }
.case-lead { color: var(--muted); font-size: 18px; line-height: 1.65; max-width: 680px; }
.case-meta { border-left: 3px solid var(--sky); padding: 7px 0 7px 23px; }
.case-meta dt { color: var(--navy); font-weight: 750; margin-bottom: 3px; }
.case-meta dd { color: var(--muted); margin: 0 0 15px; font-size: 14px; line-height: 1.5; }
.case-meta dd:last-child { margin-bottom: 0; }
.case-screenshot { margin: 0; border: 1px solid var(--outline); border-radius: 18px; background: var(--white); box-shadow: 0 16px 42px var(--shadow); overflow: hidden; }
.case-screenshot img { display: block; width: 100%; height: auto; }
.case-screenshot figcaption { padding: 13px 20px; font-size: 13px; color: var(--muted); border-top: 1px solid var(--line); }
.case-sections { display: grid; grid-template-columns: repeat(3,minmax(0,1fr)); gap: 24px; margin-top: 36px; }
.case-sections section { border-top: 3px solid var(--sky); padding-top: 21px; }
.case-sections h2 { font-size: 25px; color: var(--navy); letter-spacing: -.6px; line-height: 1.25; margin-bottom: 16px; }
.case-sections p,.case-sections li { font-size: 15px; line-height: 1.75; color: var(--muted); }
.case-sections ul { padding-left: 20px; }
.case-sections li + li { margin-top: 9px; }
.case-actions { display: flex; flex-wrap: wrap; align-items: center; gap: 16px 28px; margin-top: 24px; }
.case-next { border: 1px solid var(--outline); background: var(--sky-light); border-radius: 16px; padding: 30px; margin-top: 38px; }
.case-next h2 { font-size: 30px; line-height: 1.2; color: var(--navy); margin-bottom: 12px; }
.case-next p { color: var(--muted); max-width: 750px; font-size: 16px; line-height: 1.7; }
.case-page .site-footer p { line-height: 1.6; }
@media (max-width: 760px) {
  .case-content { padding-block: 36px 48px; }
  .case-heading { grid-template-columns: 1fr; gap: 23px; }
  .case-heading h1 { font-size: clamp(38px,8.5vw,58px); }
  .case-lead { font-size: 16px; }
  .case-sections { grid-template-columns: 1fr; gap: 28px; margin-top: 28px; }
  .case-next { padding: 23px; }
  .case-page .brand-service { font-size: 20px; }
  .case-page .site-header nav { flex-wrap: wrap; }
}