.case-index-hero, .case-catalog, .case-detail-hero, .case-facts, .case-scope, .case-source { width: min(100%, var(--max)); margin-inline: auto; padding-inline: var(--gutter); }
.case-index-hero { min-height: 410px; display: flex; flex-direction: column; justify-content: center; padding-top: 64px; padding-bottom: 64px; }
.case-index-hero h1 { max-width: 1040px; margin: 15px 0 0; font-size: clamp(48px, 6.5vw, 88px); font-weight: 860; letter-spacing: -.068em; line-height: .94; }
.case-index-hero > p:last-child { max-width: 680px; margin: 24px 0 0; color: var(--muted); font-size: clamp(17px, 1.5vw, 21px); }
.case-catalog { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 20px; padding-bottom: 96px; }
.case-card { min-width: 0; overflow: hidden; border: 1px solid var(--line); border-radius: var(--radius-card); background: var(--card); box-shadow: 0 8px 28px rgb(49 76 136 / .07); transition: transform .25s ease, box-shadow .25s ease; }
.case-card:first-of-type { grid-column: span 2; }
.case-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-hover); }
.case-card > a { display: block; color: inherit; text-decoration: none; }
.case-card-media { aspect-ratio: 4 / 3; margin: 0; overflow: hidden; background: var(--surface-deep); }
.case-card:first-of-type .case-card-media { aspect-ratio: 2 / 1; }
.case-card-media img { width: 100%; height: 100%; object-fit: cover; transition: transform .5s cubic-bezier(.16,1,.3,1); }
.case-card:hover img { transform: scale(1.025); }
.case-card-copy { min-height: 170px; position: relative; display: flex; flex-direction: column; padding: 22px; }
.case-card-copy p { margin: 0; color: var(--accent); font-size: 12px; font-weight: 850; }
.case-card-copy h2 { margin: 9px 0 0; font-size: clamp(27px, 3vw, 42px); letter-spacing: -.05em; line-height: 1; }
.case-card-copy span { margin-top: auto; color: var(--accent); font-size: 14px; font-weight: 850; }
.case-card-copy i { font-style: normal; }

.case-detail { padding-top: 28px; }
.case-detail-hero { min-height: 660px; display: grid; grid-template-columns: minmax(320px, .75fr) minmax(0, 1.25fr); gap: clamp(34px, 5vw, 78px); align-items: center; padding-top: 42px; padding-bottom: 70px; }
.case-back-link { display: inline-flex; border-radius: 999px; padding: 9px 14px; background: var(--accent-soft); color: var(--accent); font-size: 14px; font-weight: 800; text-decoration: none; }
.case-detail-copy h1 { margin: 24px 0 0; font-size: clamp(54px, 6.5vw, 90px); font-weight: 860; letter-spacing: -.07em; line-height: .92; }
.case-detail-copy > p { max-width: 570px; margin: 24px 0 0; color: var(--muted); font-size: clamp(17px, 1.4vw, 20px); }
.case-detail-media { height: min(64dvh, 700px); margin: 0; overflow: hidden; border-radius: 30px; background: var(--surface-deep); box-shadow: var(--shadow); }
.case-detail-media img { width: 100%; height: 100%; object-fit: cover; }
.case-facts { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1px; overflow: hidden; border: 1px solid var(--line); border-radius: var(--radius-card); padding: 0; background: var(--line); }
.case-facts div { min-height: 160px; display: flex; flex-direction: column; justify-content: space-between; padding: 26px; background: var(--card); }
.case-facts span { color: var(--muted); font-size: 13px; }
.case-facts strong { max-width: 360px; font-size: clamp(22px, 2.5vw, 34px); letter-spacing: -.04em; line-height: 1.05; }
.case-scope { padding-top: 90px; padding-bottom: 90px; }
.case-scope h2, .case-source h2 { max-width: 900px; margin: 0; font-size: clamp(40px, 5vw, 68px); letter-spacing: -.06em; line-height: .96; }
.case-scope-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 14px; margin-top: 38px; }
.case-scope-grid p { min-height: 130px; margin: 0; border-radius: 20px; padding: 24px; background: var(--card); font-size: clamp(19px, 2vw, 26px); font-weight: 750; letter-spacing: -.03em; }
.case-source { margin-bottom: 96px; border-radius: 30px; padding-top: clamp(38px, 5vw, 68px); padding-bottom: clamp(38px, 5vw, 68px); background: linear-gradient(135deg, var(--accent) 0%, #093cae 100%); color: #fff; }
.case-source p { max-width: 640px; margin: 20px 0 0; color: #dce7ff; }
.case-source .button { margin-top: 28px; border: 0; color: #0c398d; }

/* Keep portfolio catalog cards square at every responsive breakpoint. */
.case-card {
  border-radius: 0;
}

.case-facts,
.case-scope-grid p,
.case-source {
  border-radius: 0;
}

@media (max-width: 900px) {
  .case-catalog { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .case-detail-hero { grid-template-columns: 1fr; }
  .case-detail-media { height: auto; aspect-ratio: 4 / 3; }
}

@media (max-width: 767px) {
  .case-index-hero { min-height: 340px; padding-top: 48px; padding-bottom: 48px; }
  .case-index-hero h1 { font-size: clamp(44px, 12.5vw, 62px); }
  .case-catalog { grid-template-columns: 1fr; gap: 14px; padding-bottom: 72px; }
  .case-card:first-of-type { grid-column: auto; }
  .case-card:first-of-type .case-card-media, .case-card-media { aspect-ratio: 1.35 / 1; }
  .case-detail { padding-top: 8px; }
  .case-detail-hero { min-height: auto; gap: 42px; padding-top: 34px; padding-bottom: 54px; }
  .case-detail-copy h1 { font-size: clamp(48px, 13vw, 68px); }
  .case-detail-media { border-radius: 22px; }
  .case-facts { grid-template-columns: 1fr; }
  .case-facts div { min-height: 130px; }
  .case-scope { padding-top: 68px; padding-bottom: 68px; }
  .case-scope-grid { grid-template-columns: 1fr; }
  .case-scope-grid p { min-height: auto; }
  .case-source { width: calc(100% - 2 * var(--gutter)); margin-bottom: 72px; border-radius: 22px; }
  .case-source .button { width: 100%; }
}