/* Professional corporate case study pages */

:root {
  --cs-ink: #151515;
  --cs-muted: #5f5757;
  --cs-line: rgba(21, 21, 21, 0.12);
  --cs-red: #b71c1c;
  --cs-surface: #f3f4f6;
  --cs-white: #ffffff;
  --cs-display: "Outfit", "Manrope", sans-serif;
  --cs-body: "Manrope", "Open Sans", sans-serif;
  --cs-pad: 2rem;
  --cs-max: 1080px;
}

body.case-study-page {
  padding-top: 80px;
  background: var(--cs-surface);
  color: var(--cs-ink);
  font-family: var(--cs-body);
}

.case-page {
  padding: 1.5rem 0 4.5rem;
}

.case-page-frame {
  width: min(100% - 2.5rem, var(--cs-max));
  margin: 0 auto;
}

.case-page-back {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  margin-bottom: 1rem;
  font-family: var(--cs-display);
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--cs-red);
  text-decoration: none;
}

.case-page-back:hover {
  color: #8e1515;
  text-decoration: none;
}

.case-page-panel {
  background: var(--cs-white);
  border: 1px solid var(--cs-line);
  box-shadow: 0 10px 30px rgba(20, 16, 16, 0.05);
  overflow: hidden;
}

.case-page-hero {
  position: relative;
  background: #e5e6ea;
}

.case-page-hero img {
  display: block;
  width: 100%;
  height: clamp(240px, 38vw, 420px);
  object-fit: cover;
}

.case-page-hero-caption {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  padding: 1.35rem var(--cs-pad);
  background: linear-gradient(180deg, transparent 10%, rgba(12, 10, 10, 0.78));
  color: #fff;
  font-size: 0.9rem;
  line-height: 1.45;
  letter-spacing: 0.01em;
}

.case-page-header {
  padding: 1.75rem var(--cs-pad) 1.5rem;
  border-bottom: 1px solid var(--cs-line);
}

.case-page-tag {
  margin: 0 0 0.7rem;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--cs-red);
}

.case-page-header h1 {
  margin: 0 0 0.8rem;
  font-family: var(--cs-display);
  font-size: clamp(1.75rem, 3vw, 2.4rem);
  font-weight: 700;
  line-height: 1.2;
  color: var(--cs-ink);
  letter-spacing: -0.02em;
}

.case-page-lead {
  margin: 0;
  max-width: 46rem;
  color: #3a3333;
  font-size: 1.08rem;
  line-height: 1.65;
  font-weight: 500;
}

.case-page-meta {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0;
  margin-top: 1.4rem;
  padding: 1.15rem 0 1.35rem;
  border-top: 1px solid var(--cs-line);
}

.case-page-meta div {
  padding: 0 1.25rem 0 0;
  border-right: 1px solid var(--cs-line);
}

.case-page-meta div:not(:first-child) {
  padding-left: 1.25rem;
}

.case-page-meta div:last-child {
  border-right: 0;
  padding-right: 0;
}

.case-page-meta span {
  display: block;
  margin-bottom: 0.35rem;
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: #8a8080;
}

.case-page-meta strong {
  display: block;
  font-family: var(--cs-display);
  font-size: 0.98rem;
  font-weight: 600;
  color: var(--cs-ink);
  line-height: 1.4;
}

.case-page-body {
  display: block;
}

.case-page-main {
  padding: 1.75rem var(--cs-pad) 2rem;
  min-width: 0;
}

.case-page-side {
  padding: 1.6rem var(--cs-pad) 1.85rem;
  border-top: 1px solid var(--cs-line);
  background: #fafafa;
  min-width: 0;
}

.case-section + .case-section,
.case-page-figure + .case-section {
  margin-top: 1.75rem;
  padding-top: 1.65rem;
  border-top: 1px solid var(--cs-line);
}

.case-section p.case-section-label {
  margin: 0 0 0.7rem;
  font-family: var(--cs-display);
  font-size: 0.74rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--cs-red);
  line-height: 1.35;
}

.case-section h2 {
  margin: 0 0 0.85rem;
  font-family: var(--cs-display);
  font-size: 1.28rem;
  font-weight: 700;
  color: var(--cs-ink);
  line-height: 1.3;
}

.case-section p {
  margin: 0 0 1rem;
  color: var(--cs-muted);
  font-size: 1rem;
  line-height: 1.8;
}

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

.case-page-figure {
  margin: 1.65rem 0 0;
}

.case-page-figure img {
  display: block;
  width: 100%;
  height: auto;
  max-height: 320px;
  object-fit: cover;
  border: 1px solid var(--cs-line);
}

.case-page-figure figcaption {
  margin-top: 0.55rem;
  font-size: 0.82rem;
  color: #7a7272;
  line-height: 1.45;
}

.case-side-card h3 {
  margin: 0 0 1rem;
  font-family: var(--cs-display);
  font-size: 0.74rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--cs-red);
}

.case-side-card ul {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.85rem 1.5rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

.case-side-card li {
  position: relative;
  margin: 0;
  padding: 0 0 0 1.15rem;
  color: #2f2929;
  font-size: 0.98rem;
  line-height: 1.5;
  font-weight: 500;
}

.case-side-card--impact li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.45rem;
  width: 0.42rem;
  height: 0.42rem;
  background: var(--cs-red);
}

.case-page-cta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 1.35rem var(--cs-pad);
  border-top: 1px solid var(--cs-line);
  background: #151515;
  color: #fff;
}

.case-page-cta p {
  margin: 0;
  max-width: 34rem;
  font-family: var(--cs-display);
  font-size: 1.02rem;
  font-weight: 600;
  line-height: 1.4;
}

.case-page-cta-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.8rem 1.3rem;
  background: var(--cs-red);
  color: #fff !important;
  text-decoration: none !important;
  font-family: var(--cs-display);
  font-weight: 600;
  font-size: 0.9rem;
  transition: background 0.25s ease;
}

.case-page-cta-btn:hover {
  background: #8e1515;
}

@media (max-width: 991.98px) {
  .case-page-meta {
    grid-template-columns: 1fr;
    gap: 0.85rem;
  }

  .case-page-meta div,
  .case-page-meta div:not(:first-child),
  .case-page-meta div:last-child {
    padding: 0;
    border-right: 0;
  }

  .case-side-card ul {
    grid-template-columns: 1fr;
    gap: 0.75rem;
  }
}

@media (max-width: 575.98px) {
  :root {
    --cs-pad: 1.15rem;
  }

  .case-page-frame {
    width: min(100% - 1.5rem, var(--cs-max));
  }

  .case-page-hero img {
    height: 220px;
  }

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