.case-page {
  background: #fafafa;
  color: var(--ink);
}

.case-hero {
  position: relative;
  padding: 150px var(--gutter) 72px;
  overflow: hidden;
}

.case-hero::before {
  content: "";
  position: absolute;
  inset: 64px var(--gutter) 0;
  background-image:
    linear-gradient(rgba(23,23,23,.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(23,23,23,.04) 1px, transparent 1px);
  background-size: 72px 72px;
  mask-image: linear-gradient(to bottom, transparent, black 24%, black 72%, transparent);
}

.case-hero-inner {
  position: relative;
  z-index: 1;
  width: min(100%, 1080px);
  margin: auto;
  text-align: center;
}

.case-back {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 50px;
  color: var(--muted);
  font-size: 12px;
  font-weight: 500;
}

.case-back span { transition: transform .2s ease; }
.case-back:hover span { transform: translateX(-3px); }

.case-meta {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 10px 22px;
  margin-bottom: 25px;
  color: var(--muted);
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
  font-size: 10px;
  letter-spacing: .08em;
  text-transform: uppercase;
}

.case-meta span + span::before {
  content: "";
  display: inline-block;
  width: 4px;
  height: 4px;
  margin: 0 16px 2px 0;
  border-radius: 1px;
  background: var(--accent);
  transform: rotate(45deg);
}

.case-title {
  max-width: 1020px;
  margin: 0 auto 27px;
  font-family: var(--display);
  font-size: clamp(62px, 8vw, 116px);
  font-weight: 500;
  line-height: .94;
  letter-spacing: -.06em;
}

.case-deck {
  max-width: 760px;
  margin: 0 auto 34px;
  color: var(--muted);
  font-size: clamp(17px, 1.7vw, 21px);
  line-height: 1.65;
}

.case-actions {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 10px;
}

.case-cover {
  width: min(calc(100% - 2 * var(--gutter)), 1280px);
  margin: 0 auto 108px;
}

.case-frame {
  padding: clamp(20px, 4.5vw, 64px);
  border: 1px solid rgba(11,13,12,.07);
  border-radius: 30px;
}

.case-page.integr8 .case-frame { background: linear-gradient(145deg, #eee9f4, #d9cee7); }
.case-page.marz .case-frame { background: linear-gradient(145deg, #e8efeb, #d0dcd6); }
.case-page.music .case-frame { background: linear-gradient(145deg, #f2ede3, #e6ddcd); }
.case-page.selfridge .case-frame { background: linear-gradient(145deg, #dde8e9, #c7d3d5); }

.case-browser {
  overflow: hidden;
  border: 1px solid rgba(11,13,12,.12);
  border-radius: 16px;
  background: white;
  box-shadow: 0 28px 65px rgba(14,20,18,.16);
}

.browser-bar {
  height: 38px;
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 0 14px;
  border-bottom: 1px solid var(--line);
  background: #f4f4f2;
}

.browser-bar i { width: 7px; height: 7px; border-radius: 50%; background: #c5c7c3; }
.browser-bar span { margin-left: 9px; color: #898d89; font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace; font-size: 9px; }
.case-browser img { aspect-ratio: 16 / 9; object-fit: cover; object-position: top; }

.case-cover figcaption {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  margin-top: 11px;
  color: var(--muted);
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
  font-size: 9px;
  letter-spacing: .07em;
  text-transform: uppercase;
}

.case-block {
  width: min(calc(100% - 2 * var(--gutter)), 1120px);
  margin: auto;
  padding: 0 0 112px;
}

.case-overview-grid {
  display: grid;
  grid-template-columns: .72fr 1.28fr;
  gap: clamp(48px, 9vw, 130px);
  align-items: start;
}

.case-kicker {
  margin-bottom: 16px;
  color: var(--muted);
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
  font-size: 10px;
  letter-spacing: .09em;
  text-transform: uppercase;
}

.case-heading {
  margin: 0;
  font-family: var(--display);
  font-size: clamp(40px, 5vw, 66px);
  font-weight: 500;
  line-height: 1;
  letter-spacing: -.05em;
}

.case-lead {
  margin-bottom: 50px;
  color: #333735;
  font-size: clamp(20px, 2.2vw, 28px);
  line-height: 1.58;
  letter-spacing: -.025em;
}

.case-facts { border-top: 1px solid var(--line); }
.case-facts div { display: grid; grid-template-columns: 110px 1fr; gap: 24px; padding: 18px 0; border-bottom: 1px solid var(--line); }
.case-facts span { color: var(--muted); font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace; font-size: 9px; letter-spacing: .08em; text-transform: uppercase; }
.case-facts strong { font-size: 12px; font-weight: 600; line-height: 1.55; }

.case-challenge {
  padding: 112px var(--gutter);
  background: var(--graphite);
  color: white;
}

.case-challenge-grid {
  width: min(100%, 1120px);
  margin: auto;
  display: grid;
  grid-template-columns: 1.35fr .65fr;
  gap: clamp(50px, 9vw, 130px);
  align-items: end;
}

.case-challenge .case-kicker { color: rgba(255,255,255,.5); }
.case-challenge h2 { margin: 0; font-family: var(--display); font-size: clamp(42px, 5.2vw, 70px); font-weight: 500; line-height: 1.03; letter-spacing: -.05em; }
.case-challenge p:last-child { margin: 0; color: rgba(255,255,255,.6); font-size: 15px; line-height: 1.8; }

.case-system { padding-top: 112px; }
.case-section-heading { display: flex; justify-content: space-between; align-items: end; gap: 40px; margin-bottom: 50px; }
.case-section-heading .case-heading { max-width: 760px; }

.case-system-list {
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--line);
  list-style: none;
  counter-reset: system-item;
}

.case-system-list li {
  counter-increment: system-item;
  display: grid;
  grid-template-columns: 64px 1fr auto;
  gap: 20px;
  align-items: center;
  padding: 22px 4px;
  border-bottom: 1px solid var(--line);
  font-family: var(--display);
  font-size: clamp(20px, 2.2vw, 29px);
  font-weight: 500;
  letter-spacing: -.035em;
}

.case-system-list li::before { content: counter(system-item, decimal-leading-zero); color: var(--accent); font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace; font-size: 9px; letter-spacing: .08em; }
.case-system-list li::after { content: "↗"; color: #b8bbb7; font-family: var(--body); font-size: 14px; }

.case-results {
  padding: 110px var(--gutter);
  border-top: 1px solid var(--line);
  background: #f4f3f0;
}

.case-results-inner { width: min(100%, 1120px); margin: auto; }
.case-result-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 12px; }
.case-result {
  min-height: 235px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  padding: 25px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(255,255,255,.72);
  transition: transform .22s ease, border-color .22s ease, background .22s ease;
}

.case-result:hover { transform: translateY(-3px); border-color: #bfc2be; background: white; }
.case-result span { color: var(--accent); font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace; font-size: 9px; }
.case-result h3 { margin: 0 0 12px; font-family: var(--display); font-size: 28px; font-weight: 500; letter-spacing: -.04em; }
.case-result p { margin: 0; color: var(--muted); font-size: 13px; line-height: 1.7; }

.case-navigation {
  width: min(calc(100% - 2 * var(--gutter)), 1120px);
  margin: 110px auto;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}

.case-navigation a {
  min-height: 190px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  padding: 24px;
  border: 1px solid var(--line);
  border-radius: 7px;
  background: white;
  transition: transform .2s ease, border-color .2s ease;
}

.case-navigation a:hover { transform: translateY(-2px); border-color: #b9bbb8; }
.case-navigation a:last-child { text-align: right; }
.case-navigation small { color: var(--muted); font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace; font-size: 9px; letter-spacing: .08em; text-transform: uppercase; }
.case-navigation strong { max-width: 460px; font-family: var(--display); font-size: clamp(24px, 2.7vw, 36px); font-weight: 500; line-height: 1.1; letter-spacing: -.04em; }
.case-navigation a:last-child strong { margin-left: auto; }

.case-cta {
  padding: 96px var(--gutter);
  border-top: 1px solid var(--line);
  background: #f4f3f0;
  text-align: center;
}
.case-cta p { margin-bottom: 12px; color: var(--muted); font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace; font-size: 10px; letter-spacing: .08em; text-transform: uppercase; }
.case-cta h2 { max-width: 760px; margin: 0 auto 28px; font-family: var(--display); font-size: clamp(38px, 5vw, 64px); font-weight: 500; line-height: 1; letter-spacing: -.05em; }

@media (max-width: 820px) {
  .case-overview-grid, .case-challenge-grid { grid-template-columns: 1fr; }
  .case-result-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 620px) {
  .case-hero { padding-top: 130px; padding-bottom: 54px; }
  .case-back { margin-bottom: 40px; }
  .case-title { font-size: clamp(50px, 15vw, 74px); }
  .case-cover { margin-bottom: 78px; }
  .case-frame { padding: 12px; border-radius: 22px; }
  .case-browser { border-radius: 12px; }
  .browser-bar { height: 31px; }
  .case-browser img { aspect-ratio: 4 / 3; }
  .case-cover figcaption { flex-direction: column; gap: 3px; }
  .case-block { padding-bottom: 82px; }
  .case-facts div { grid-template-columns: 82px 1fr; }
  .case-challenge, .case-results { padding-top: 82px; padding-bottom: 82px; }
  .case-section-heading { align-items: start; flex-direction: column; }
  .case-system { padding-top: 82px; }
  .case-system-list li { grid-template-columns: 42px 1fr auto; gap: 12px; }
  .case-result-grid, .case-navigation { grid-template-columns: 1fr; }
  .case-navigation { margin-top: 76px; margin-bottom: 76px; }
  .case-navigation a:last-child { text-align: left; }
  .case-navigation a:last-child strong { margin-left: 0; }
  .case-navigation a { min-height: 160px; }
  .case-cta { padding-top: 76px; padding-bottom: 76px; }
}

@media (prefers-reduced-motion: reduce) {
  .case-result, .case-navigation a, .case-back span { transition: none; }
}