/* Mailcore cases — customer-story layer on top of the shared public shell. */

.cases-page,
.site-home {
  --case-green: #288d45;
  --case-green-strong: #236b37;
  --case-green-tint: #eaf6ed;
  --case-green-line: #bfdac7;
}

.cases-index__hero {
  max-width: 900px;
  padding-block: var(--space-14) var(--space-12);
}

.cases-index__hero h1,
.case-hero h1 {
  margin: 0;
  color: var(--text-strong);
  font-weight: var(--font-weight-semibold);
  letter-spacing: -.04em;
  text-wrap: balance;
}

.cases-index__hero h1 {
  max-width: 860px;
  margin-block-start: var(--space-4);
  font-size: clamp(2.45rem, 5.5vw, 4.25rem);
  line-height: 1;
}

.cases-index__hero > p {
  max-width: 760px;
  margin: var(--space-5) 0 0;
  color: var(--text-subtle);
  font-size: clamp(1rem, 1.5vw, 1.125rem);
  line-height: 1.65;
}

.cases-list,
.cases-method,
.case-related-cases,
.case-related {
  padding-block: var(--space-10);
  border-block-start: var(--border-hair) solid var(--line);
}

.cases-section-head {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: var(--space-6);
  margin-block-end: var(--space-6);
}

.cases-section-head h2 {
  margin: var(--space-2) 0 0;
  color: var(--text-strong);
  font-size: clamp(1.55rem, 3vw, 2.15rem);
  font-weight: var(--font-weight-semibold);
  letter-spacing: -.025em;
}

.cases-section-head > span,
.cases-section-head__eyebrow {
  color: var(--text-subtle);
  font-size: var(--text-xs);
  font-weight: var(--font-weight-semibold);
  letter-spacing: .06em;
  text-transform: uppercase;
}

.cases-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: var(--space-4);
}

.case-card {
  position: relative;
  display: flex;
  min-width: 0;
  overflow: hidden;
  border-radius: var(--radius-2xl);
  outline: 0;
  background: var(--surface-base);
  color: inherit;
  box-shadow: 0 0 0 var(--border-hair) var(--line), var(--shadow-sm);
  text-decoration: none;
}

.case-card:hover {
  background: var(--surface-tint);
  color: inherit;
}

.case-card:focus-visible {
  box-shadow: 0 0 0 var(--ring-width-strong) var(--brand);
}

.case-card--featured {
  grid-column: 1 / -1;
  display: grid;
  grid-template-columns: minmax(0, 1.08fr) minmax(340px, .92fr);
}

.case-card__media {
  position: relative;
  display: block;
  min-width: 0;
  overflow: hidden;
  background: var(--surface-recessed);
}

.case-card:not(.case-card--featured) {
  flex-direction: column;
}

.case-card:not(.case-card--featured) .case-card__media {
  aspect-ratio: 1200 / 630;
}

.case-card__media > img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.case-card--featured .case-card__media > img {
  object-fit: contain;
}

.case-card__relation,
.case-hero__relation {
  display: inline-flex;
  align-items: center;
  width: fit-content;
  min-height: 26px;
  padding-inline: var(--space-3);
  border-radius: var(--radius-pill);
  background: var(--case-green-tint);
  color: var(--case-green-strong);
  font-size: var(--text-xs);
  font-weight: var(--font-weight-semibold);
}

.case-card__relation {
  position: absolute;
  inset: var(--space-4) auto auto var(--space-4);
  border: var(--border-hair) solid var(--case-green-line);
}

.case-card__body {
  display: flex;
  min-width: 0;
  flex-direction: column;
  padding: var(--space-7);
}

.case-card__logo {
  width: 156px;
  height: auto;
  max-height: 58px;
  object-fit: contain;
  object-position: left center;
}

.case-card__tags,
.case-hero__meta > span:first-child {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
}

.case-card__tags {
  margin-block-start: var(--space-5);
}

.case-tag {
  display: inline-flex;
  align-items: center;
  min-height: 24px;
  padding-inline: var(--space-2);
  border-radius: var(--radius-md);
  background: var(--surface-recessed);
  color: var(--text-subtle);
  font-size: var(--text-xs);
  font-weight: var(--font-weight-medium);
}

.case-card h2 {
  margin: var(--space-4) 0 0;
  color: var(--text-strong);
  font-size: clamp(1.45rem, 2.5vw, 2rem);
  font-weight: var(--font-weight-semibold);
  line-height: 1.2;
  letter-spacing: -.025em;
}

.case-card__excerpt {
  margin-block-start: var(--space-4);
  color: var(--text-subtle);
  font-size: var(--text-base);
  line-height: 1.65;
}

.case-card__proof {
  display: grid;
  gap: var(--space-1);
  margin-block-start: var(--space-5);
  padding: var(--space-4);
  border-radius: var(--radius-xl);
  background: var(--case-green-tint);
  color: var(--case-green-strong);
  font-size: var(--text-sm);
  line-height: 1.5;
}

.case-card__proof strong {
  font-size: var(--text-xs);
  letter-spacing: .04em;
  text-transform: uppercase;
}

.case-card__footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  margin-block-start: auto;
  padding-block-start: var(--space-6);
  color: var(--text-subtle);
  font-size: var(--text-xs);
}

.case-card__footer > span {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  color: var(--text-link);
  font-weight: var(--font-weight-semibold);
}

.case-card__footer .icon {
  width: 16px;
  height: 16px;
}

.cases-method__grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: var(--space-4);
}

.cases-method__grid article {
  padding: var(--space-6);
  border-radius: var(--radius-2xl);
  background: var(--surface-base);
  box-shadow: 0 0 0 var(--border-hair) var(--line);
}

.cases-method__grid article > span {
  color: var(--brand);
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  font-weight: var(--font-weight-semibold);
}

.cases-method__grid h3 {
  margin: var(--space-5) 0 0;
  color: var(--text-strong);
  font-size: var(--text-lg);
  font-weight: var(--font-weight-semibold);
}

.cases-method__grid p {
  margin: var(--space-3) 0 0;
  color: var(--text-subtle);
  font-size: var(--text-sm);
  line-height: 1.6;
}

.cases-index__cta {
  border-block-start: var(--border-hair) solid var(--line);
}

.case-hero {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(260px, 320px);
  align-items: center;
  gap: var(--space-10);
  padding-block: var(--space-12) var(--space-10);
}

.case-hero h1 {
  max-width: 800px;
  margin-block-start: var(--space-4);
  font-size: clamp(2.2rem, 5vw, 4rem);
  line-height: 1.02;
}

.case-hero__copy > p {
  max-width: 760px;
  margin: var(--space-5) 0 0;
  color: var(--text-subtle);
  font-size: clamp(1rem, 1.5vw, 1.125rem);
  line-height: 1.65;
}

.case-hero__meta {
  display: grid;
  gap: var(--space-4);
  margin-block-start: var(--space-6);
}

.case-hero__meta .blog-meta {
  display: flex;
}

.case-hero__company {
  display: grid;
  gap: var(--space-4);
  min-height: 220px;
  padding: var(--space-6);
  border-radius: var(--radius-2xl);
  outline: 0;
  background: var(--surface-base);
  color: inherit;
  box-shadow: 0 0 0 var(--border-hair) var(--line), var(--shadow-sm);
  text-decoration: none;
}

.case-hero__company:hover {
  background: var(--surface-tint);
  color: inherit;
}

.case-hero__company:focus-visible {
  box-shadow: 0 0 0 var(--ring-width-strong) var(--brand);
}

.case-hero__company > span,
.case-hero__company > small {
  color: var(--text-subtle);
  font-size: var(--text-xs);
  font-weight: var(--font-weight-semibold);
  letter-spacing: .04em;
  text-transform: uppercase;
}

.case-hero__company img {
  align-self: center;
  width: 100%;
  height: auto;
  max-height: 88px;
  object-fit: contain;
}

.case-hero__company > small {
  align-self: end;
}

.case-cover {
  margin: 0;
  overflow: hidden;
  border-radius: var(--radius-2xl);
  background: var(--surface-recessed);
  box-shadow: 0 0 0 var(--border-hair) var(--line), var(--shadow-sm);
}

.case-cover img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 1200 / 630;
  object-fit: cover;
}

.case-cover figcaption {
  padding: var(--space-3) var(--space-5);
  border-block-start: var(--border-hair) solid var(--line);
  background: var(--surface-base);
  color: var(--text-subtle);
  font-size: var(--text-xs);
}

.case-summary {
  display: grid;
  grid-template-columns: .7fr 1fr 1.25fr;
  margin: var(--space-6) 0 0;
  overflow: hidden;
  border-radius: var(--radius-2xl);
  background: var(--surface-base);
  box-shadow: 0 0 0 var(--border-hair) var(--line);
}

.case-summary > div {
  padding: var(--space-5);
}

.case-summary > div + div {
  border-inline-start: var(--border-hair) solid var(--line);
}

.case-summary dt {
  color: var(--text-subtle);
  font-size: var(--text-xs);
  font-weight: var(--font-weight-semibold);
  letter-spacing: .04em;
  text-transform: uppercase;
}

.case-summary dd {
  display: grid;
  gap: var(--space-1);
  margin: var(--space-3) 0 0;
  color: var(--text-strong);
  font-size: var(--text-sm);
  font-weight: var(--font-weight-semibold);
  line-height: 1.5;
}

.case-summary dd small {
  color: var(--text-subtle);
  font-size: var(--text-xs);
  font-weight: var(--font-weight-normal);
}

.case-article-layout {
  display: grid;
  grid-template-columns: 220px minmax(0, 720px);
  justify-content: center;
  gap: var(--space-12);
  padding-block: var(--space-12);
}

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

.case-prose > :first-child {
  margin-block-start: 0;
}

.case-disclosure {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: var(--space-4);
  margin-block-start: var(--space-8);
  padding: var(--space-5);
  border-radius: var(--radius-2xl);
  background: var(--case-green-tint);
  color: var(--case-green-strong);
  box-shadow: 0 0 0 var(--border-hair) var(--case-green-line);
}

.case-disclosure > .icon {
  width: 24px;
  height: 24px;
}

.case-disclosure strong {
  font-size: var(--text-sm);
}

.case-disclosure p {
  margin: var(--space-2) 0 0;
  font-size: var(--text-sm);
  line-height: 1.6;
}

.case-related-cases > h2,
.case-related > h2 {
  margin: 0 0 var(--space-6);
  color: var(--text-strong);
  font-size: var(--text-2xl);
  font-weight: var(--font-weight-semibold);
}

.case-cta__actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: var(--space-3);
}

@media (max-width: 64rem) {
  .case-card--featured {
    grid-template-columns: minmax(0, 1fr);
  }

  .case-card--featured .case-card__media {
    aspect-ratio: 1200 / 630;
  }

  .cases-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .case-card--featured {
    grid-column: 1 / -1;
  }

  .case-article-layout {
    display: block;
    max-width: 720px;
    margin-inline: auto;
  }

  .case-toc {
    display: none;
  }

  .case-mobile-toc {
    display: block;
  }
}

@media (max-width: 47.999rem) {
  .cases-index__hero {
    padding-block: var(--space-8);
  }

  .cases-index__hero h1,
  .case-hero h1 {
    font-size: clamp(2rem, 10vw, 3rem);
  }

  .cases-section-head {
    align-items: start;
    flex-direction: column;
    gap: var(--space-3);
  }

  .cases-grid,
  .cases-method__grid,
  .case-hero,
  .case-summary {
    grid-template-columns: minmax(0, 1fr);
  }

  .case-card__body,
  .cases-method__grid article {
    padding: var(--space-5);
  }

  .case-card__footer {
    align-items: start;
    flex-direction: column;
  }

  .case-hero {
    gap: var(--space-6);
    padding-block: var(--space-6);
  }

  .case-hero__company {
    min-height: 180px;
  }

  .case-cover {
    margin-inline: calc(var(--space-4) * -1);
    border-radius: 0;
    box-shadow: none;
  }

  .case-summary {
    margin-block-start: var(--space-4);
  }

  .case-summary > div + div {
    border-block-start: var(--border-hair) solid var(--line);
    border-inline-start: 0;
  }

  .case-article-layout {
    padding-block: var(--space-8);
  }

  .case-disclosure {
    grid-template-columns: minmax(0, 1fr);
  }

  .case-cta__actions {
    display: grid;
    width: 100%;
  }

  .case-cta__actions .btn {
    width: 100%;
    min-height: 44px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .cases-page *,
  .cases-page *::before,
  .cases-page *::after {
    scroll-behavior: auto !important;
  }
}

@media print {
  .case-cta,
  .case-related,
  .case-related-cases,
  .case-mobile-toc {
    display: none !important;
  }
}