.case-study-section { background: linear-gradient(200deg, var(--surface) 0%, var(--canvas) 100%); padding: 10rem 0; }
.case-study-section__inner { width: min(1240px, calc(100% - 4rem)); margin: 0 auto; }

.case-study {
  background: var(--canvas);
  border: 1px solid var(--line);
  border-radius: var(--radius-xl);
  display: grid;
  grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
  overflow: hidden;
}

.case-study__copy { padding: 4.8rem; }

.case-study__copy h2 {
  margin: 0 0 3.2rem; font-weight: 800; font-size: clamp(2.8rem, 3vw, 3.6rem);
  line-height: 1.05; letter-spacing: -0.03em; text-wrap: balance;
}

.client-wordmark {
  display: inline-flex; align-items: center; gap: 1.2rem;
  margin-bottom: 2.4rem;
}
.client-wordmark .client-logo { height: 3.6rem; width: auto; }

.case-study__copy p { margin: 0 0 1.6rem; max-width: 48rem; color: var(--ink-muted); font-size: 1.6rem; line-height: 1.6; }
.case-study__copy p:last-of-type { margin-bottom: 3.2rem; }

.featured-row {
  display: flex; flex-direction: column; align-items: flex-start; gap: 0.8rem;
  padding-top: 3rem; margin-bottom: 2.4rem; border-top: 1px solid var(--line);
  font-size: 1.2rem; font-weight: 700; letter-spacing: 0.1em; text-transform: uppercase; color: var(--ink-muted);
}
.featured-row__top { display: flex; align-items: center; gap: 1.4rem; }
.featured-row .publication {
  display: inline-flex; align-items: center; gap: 0.8rem;
  text-transform: none; letter-spacing: normal; font-weight: 700; font-size: 1.4rem; color: var(--ink);
  transition: opacity 200ms var(--ease);
}
.featured-row .publication:hover { opacity: 0.7; }
.featured-row .publication-logo { height: 2.6rem; width: auto; }
.featured-row__link {
  text-transform: none; letter-spacing: normal; font-weight: 600; font-size: 1.2rem;
  color: var(--accent); text-decoration: underline; text-underline-offset: 0.2em;
}
.featured-row__link:hover { opacity: 0.7; }

.stat-row { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.4rem; }
.stat-card { border: 1px solid var(--line); border-radius: var(--radius-lg); padding: 1.8rem; }
.stat-card .material-symbols-rounded {
  display: block; color: var(--accent); margin-bottom: 1rem;
  font-variation-settings: "FILL" 1, "wght" 400, "GRAD" 0, "opsz" 40;
}
.stat-card strong { display: block; margin-bottom: 0.4rem; font-size: 2.2rem; font-weight: 800; letter-spacing: -0.02em; }
.stat-card span:not(.material-symbols-rounded) { display: block; font-size: 1.2rem; line-height: 1.4; color: var(--ink-muted); }

.case-study__visual { position: relative; overflow: hidden; }
.case-study__slideshow { position: relative; width: 100%; height: 100%; min-height: 40rem; }
.case-study__slide {
  position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; display: block;
  opacity: 0; transition: opacity 900ms var(--ease);
}
.case-study__slide.is-active { opacity: 1; }

.case-study__dots {
  position: absolute; z-index: 1; bottom: 2.4rem; left: 50%; transform: translateX(-50%);
  display: flex; gap: 0.9rem;
}
.case-study__dot {
  width: 0.9rem; height: 0.9rem; padding: 0; border: none; border-radius: 50%; cursor: pointer;
  background: rgba(255, 255, 255, 0.85); mix-blend-mode: difference;
  transition: transform 200ms var(--ease);
}
.case-study__dot:hover { transform: scale(1.2); }
.case-study__dot.is-active { transform: scale(1.3); }

.case-study__arrow {
  display: none;
  position: absolute; z-index: 1; top: 50%; transform: translateY(-50%);
  width: 3.6rem; height: 3.6rem; border: none; border-radius: 50%;
  background: rgba(0, 0, 0, 0.35); color: #fff; cursor: pointer;
  align-items: center; justify-content: center;
  transition: background-color 200ms var(--ease), transform 200ms var(--ease);
}
.case-study__arrow:hover { background: rgba(0, 0, 0, 0.5); }
.case-study__arrow:active { transform: translateY(-50%) scale(0.92); }
.case-study__arrow--prev { left: 1.2rem; }
.case-study__arrow--next { right: 1.2rem; }

@media (max-width: 1024px) {
  .case-study-section { padding: 7rem 0; }
  .case-study { grid-template-columns: 1fr; }
  .case-study__copy { padding: 3.6rem; }

  .case-study__visual { order: -1; }
  .case-study__slideshow { min-height: 0; aspect-ratio: 4 / 3; }

  .case-study__dots { display: none; }
  .case-study__arrow { display: flex; }
}
@media (max-width: 560px) {
  .case-study-section { padding: 6rem 0; }
  .case-study-section__inner { width: calc(100% - 3.2rem); }
  .case-study__copy { padding: 2.8rem; }
  .case-study__slideshow { aspect-ratio: 1 / 1; }

  .stat-row {
    display: flex;
    gap: 0;
    border: 1px solid var(--line);
    border-radius: var(--radius-lg);
    overflow: hidden;
  }
  .stat-card {
    flex: 1;
    min-width: 0;
    border: none;
    border-radius: 0;
    padding: 1.4rem 0.6rem;
    text-align: center;
  }
  .stat-card + .stat-card { border-left: 1px solid var(--line); }
  .stat-card .material-symbols-rounded { margin: 0 auto 0.6rem; font-size: 20px; }
  .stat-card strong { font-size: 1.5rem; }
  .stat-card span:not(.material-symbols-rounded) { font-size: 1rem; line-height: 1.3; }
}