:root {
  color-scheme: light;
  --paper: #f7f7f4;
  --ink: #1d1d1b;
  --muted: #777873;
  --line: #dcdcd5;
  --accent: #a7b6a0;
  --content: 1600px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Helvetica, Arial, sans-serif;
  -webkit-font-smoothing: antialiased;
}

a {
  color: inherit;
  text-decoration: none;
}

a:focus-visible {
  outline: 2px solid var(--ink);
  outline-offset: 5px;
}

.site-header,
.case-study,
.site-footer {
  width: min(calc(100% - 64px), var(--content));
  margin-inline: auto;
}

.site-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 28px 0;
}

.wordmark {
  font-size: 1.05rem;
  font-weight: 650;
  letter-spacing: -0.04em;
}

.wordmark span,
.back-link span,
.case-link span {
  color: var(--accent);
}

.back-link,
.case-link {
  color: var(--muted);
  font-size: 0.82rem;
  transition: color 180ms ease;
}

.back-link:hover,
.case-link:hover {
  color: var(--ink);
}

.meta-label {
  margin: 0;
  color: var(--muted);
  font-size: 0.78rem;
}

.section-label {
  margin: 0 0 22px;
  font-size: 1rem;
  font-weight: 500;
  letter-spacing: -0.02em;
}

.case-hero {
  padding: 130px 0 110px;
}

.case-hero h1 {
  max-width: 920px;
  margin: 0 0 44px;
  font-size: clamp(3.5rem, 8vw, 8rem);
  font-weight: 500;
  letter-spacing: -0.07em;
  line-height: 0.92;
}

.case-hero .summary {
  max-width: 560px;
  margin: 0;
  color: var(--muted);
  font-size: clamp(1.15rem, 2vw, 1.5rem);
  letter-spacing: -0.03em;
  line-height: 1.25;
}

.case-hero-media {
  display: block;
  width: 100%;
  margin-top: 72px;
  background: #ecece7;
}

.case-study img,
.case-study video {
  border: 1px solid var(--line);
  border-radius: 8px;
}

.case-meta {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.meta-item {
  padding: 20px 24px 22px 0;
}

.meta-item + .meta-item {
  border-left: 1px solid var(--line);
  padding-left: 24px;
}

.meta-item p:last-child {
  margin: 10px 0 0;
  font-size: 0.92rem;
}

.case-content {
  padding: 120px 0 150px;
}

.case-section {
  padding: 34px 0 100px;
}

.case-section:last-child {
  padding-bottom: 0;
}

.case-section.has-media {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
  column-gap: 96px;
  align-items: start;
}

.case-section.has-media > .case-text {
  grid-column: 1;
}

.case-section.has-media > .media-block {
  grid-column: 2;
  grid-row: 1;
  margin: 0;
}

.case-section.has-media > .under-text {
  grid-column: 1 / -1;
  grid-row: 2;
  width: 100%;
  margin-top: 40px;
}

.case-section h2 {
  max-width: 650px;
  margin: 0 0 28px;
  font-size: clamp(2rem, 4vw, 4.3rem);
  font-weight: 500;
  letter-spacing: -0.06em;
  line-height: 1;
}

.case-copy {
  max-width: 720px;
}

.feature-section .case-copy {
  max-width: none;
}

.case-copy p {
  margin: 0 0 24px;
  color: var(--muted);
  font-size: 1.05rem;
  line-height: 1.6;
}

.case-copy p:last-child {
  margin-bottom: 0;
}

.quote-list,
.feature-list {
  display: grid;
  gap: 18px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.insight-section .case-copy {
  max-width: none;
}

.insight-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  column-gap: 64px;
  row-gap: 48px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.insight-list strong,
.insight-list span {
  display: block;
}

.insight-list strong {
  display: block;
  margin-bottom: 12px;
  font-size: clamp(1.5rem, 2.5vw, 2.4rem);
  font-weight: 500;
  letter-spacing: -0.05em;
  line-height: 1.05;
}

.insight-list span {
  color: var(--muted);
  font-size: 1.05rem;
  line-height: 1.5;
}

.quote-list li,
.feature-list li {
  color: var(--muted);
  font-size: 1.05rem;
  line-height: 1.5;
}

.feature-list li {
  display: flex;
  align-items: flex-start;
  gap: 24px;
  border-top: 1px solid var(--line);
  padding-top: 14px;
}

.feature-copy {
  flex: 1 1 0;
  min-width: 0;
}

.feature-copy strong {
  display: block;
  margin-bottom: 2px;
}

.feature-copy span {
  display: block;
}

.feature-list video {
  display: block;
  flex: 1 1 0;
  width: calc(50% - 12px);
  margin-top: 0;
  background: #ecece7;
}

.media-block {
  margin: 0 0 100px;
}

.media-block img {
  display: block;
  width: 100%;
  height: auto;
}

.media-pair,
.media-trio {
  display: block;
}

.compare-pair {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
}

.media-pair > div + div,
.media-trio > div + div {
  margin-top: 28px;
}

.compare-pair > div + div {
  margin-top: 0;
}

.compare-pair img {
  aspect-ratio: 1865 / 1166;
  object-fit: cover;
}

.media-block figcaption,
.media-caption {
  margin: 10px 0 0;
  color: var(--muted);
  font-size: 0.78rem;
  line-height: 1.4;
}

.media-caption {
  grid-column: 1 / -1;
  margin-top: 2px;
}

.media-full {
  max-width: 820px;
}

.case-section.has-media .media-full {
  max-width: none;
}

.feature-list strong {
  color: var(--ink);
  font-weight: 500;
  letter-spacing: -0.03em;
}

.case-stat {
  margin-top: 48px;
  color: var(--ink);
  font-size: clamp(2.5rem, 5vw, 5.5rem);
  font-weight: 500;
  letter-spacing: -0.07em;
  line-height: 0.95;
}

.case-cta {
  border-top: 1px solid var(--line);
  padding: 28px 0 0;
}

.case-cta p {
  max-width: 600px;
  margin: 0;
  color: var(--muted);
  font-size: 1.15rem;
  line-height: 1.5;
}

.case-nav {
  display: flex;
  justify-content: space-between;
  gap: 24px;
  padding: 0 0 110px;
}

.case-link {
  display: inline-flex;
  gap: 8px;
  border-bottom: 1px solid var(--ink);
  padding-bottom: 5px;
}

.site-footer {
  display: flex;
  justify-content: space-between;
  border-top: 1px solid var(--line);
  padding: 22px 0 28px;
  color: var(--muted);
  font-size: 0.75rem;
}

@media (max-width: 700px) {
  .site-header,
  .case-study,
  .site-footer {
    width: min(calc(100% - 32px), var(--content));
  }

  .site-header {
    padding: 22px 0;
  }

  .case-hero {
    padding: 86px 0 76px;
  }

  .case-hero h1 {
    margin: 24px 0 30px;
    font-size: clamp(3.1rem, 15vw, 5.5rem);
  }

  .case-meta,
  .case-section {
    display: block;
  }

  .meta-item,
  .meta-item + .meta-item {
    border-left: 0;
    border-top: 1px solid var(--line);
    padding: 16px 0;
  }

  .meta-item:first-child {
    border-top: 0;
  }

  .case-content {
    padding: 80px 0 100px;
  }

  .case-section {
    padding: 24px 0 70px;
  }

  .case-section.has-media {
    display: block;
  }

  .insight-list {
    grid-template-columns: 1fr;
    row-gap: 34px;
  }

  .case-section.has-media > .media-block {
    margin-top: 40px;
  }

  .case-section h2 {
    margin: 0 0 34px;
  }

  .compare-pair {
    display: block;
  }

  .feature-list li {
    display: block;
  }

  .feature-copy,
  .feature-list video {
    width: 100%;
  }

  .feature-list video {
    margin-top: 18px;
  }

  .case-nav {
    padding-bottom: 76px;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
}