.casestudy {
  width: 100%;
  background: var(--surface-inverse);
  padding: var(--space-96) 0;
  position: relative;
  overflow: hidden;
}

.casestudy::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.10), transparent);
}

.casestudy-bg {
  position: absolute;
  inset: 0;
  background-image: url("../images/sections/relatable-desk.jpg");
  background-size: cover;
  background-position: center 30%;
  opacity: 0.05;
}

.casestudy-container {
  width: 100%;
  max-width: var(--layout-max);
  margin: 0 auto;
  padding: 0 var(--gutter);
  position: relative;
  z-index: 1;
}

.casestudy-label-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--space-64);
  flex-wrap: wrap;
  gap: var(--space-16);
}

.casestudy-eyebrow {
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--olive);
  display: inline-flex;
  align-items: center;
  gap: 10px;
}

.casestudy-eyebrow::before {
  content: "";
  width: 20px;
  height: 1.5px;
  background: var(--olive);
  display: inline-block;
  flex-shrink: 0;
}

.casestudy-tag {
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.35);
  border: 1px solid rgba(255, 255, 255, 0.1);
  padding: 6px 14px;
}

.casestudy-body {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-64) var(--space-96);
  align-items: start;
}

.casestudy-left {
  display: flex;
  flex-direction: column;
  gap: var(--space-32);
}

.casestudy-client {
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.3);
}

.casestudy-heading {
  font-size: clamp(2rem, 4vw, 3.4rem);
  font-weight: 800;
  letter-spacing: -0.04em;
  line-height: 0.95;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.95);
}

.casestudy-heading .olive-accent {
  color: var(--olive);
}

.casestudy-challenge {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: var(--space-24);
  border: 1px solid rgba(255, 255, 255, 0.07);
  background: rgba(255, 255, 255, 0.02);
}

.casestudy-challenge-label {
  font-size: 0.65rem;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.25);
}

.casestudy-challenge-text {
  font-size: 0.95rem;
  color: rgba(255, 255, 255, 0.6);
  line-height: 1.6;
}

.casestudy-link {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--olive);
  text-decoration: none;
  transition: gap 0.25s ease;
}

.casestudy-link:hover {
  gap: 16px;
}

.casestudy-right {
  display: flex;
  flex-direction: column;
  gap: var(--space-24);
}

.casestudy-metrics {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2px;
  background: rgba(255, 255, 255, 0.05);
}

.casestudy-metric {
  background: var(--surface-inverse);
  padding: var(--space-32) var(--space-24);
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.casestudy-metric-num {
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 900;
  letter-spacing: -0.05em;
  line-height: 1;
  color: rgba(255, 255, 255, 0.95);
}

.casestudy-metric-num .olive-accent {
  color: var(--olive);
}

.casestudy-metric-label {
  font-size: 0.8rem;
  color: rgba(255, 255, 255, 0.35);
  line-height: 1.4;
}

.casestudy-solution {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: var(--space-24);
  border: 1px solid rgba(255, 255, 255, 0.06);
  background: rgba(255, 255, 255, 0.02);
}

.casestudy-solution-label {
  font-size: 0.65rem;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--olive);
  opacity: 0.7;
}

.casestudy-solution-text {
  font-size: 0.92rem;
  color: rgba(255, 255, 255, 0.6);
  line-height: 1.65;
}

/* ── Browser mockup ── */
.casestudy-mockup {
  width: 100%;
}

.casestudy-browser {
  background: var(--surface-inverse);
  border: 1px solid rgba(255, 255, 255, 0.08);
  overflow: hidden;
}

.casestudy-browser-bar {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 14px;
  background: var(--surface-inverse);
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}

.casestudy-browser-dots {
  display: flex;
  gap: 5px;
  flex-shrink: 0;
}

.casestudy-browser-dots i {
  display: block;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.12);
  font-style: normal;
}

.casestudy-browser-dots i:first-child { background: rgba(255, 90, 90, 0.5); }
.casestudy-browser-dots i:nth-child(2) { background: rgba(255, 190, 50, 0.5); }
.casestudy-browser-dots i:last-child { background: rgba(50, 200, 90, 0.5); }

.casestudy-browser-url {
  font-size: 0.65rem;
  color: rgba(255, 255, 255, 0.25);
  letter-spacing: 0.04em;
  background: rgba(255, 255, 255, 0.05);
  padding: 3px 10px;
  flex: 1;
}

.casestudy-browser-screen {
  width: 100%;
  aspect-ratio: 4 / 3;
  overflow: hidden;
  position: relative;
}

.casestudy-browser-screen img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: top;
  display: block;
}

/* ── Metrics compact ── */
.casestudy-metrics--compact .casestudy-metric {
  padding: var(--space-24) var(--space-16);
}

.casestudy-metrics--compact .casestudy-metric-num {
  font-size: clamp(1.6rem, 3vw, 2.4rem);
}

/* ── More work grid ── */
.casestudy-more {
  margin-top: var(--space-64);
  padding-top: var(--space-48);
  border-top: 1px solid rgba(255, 255, 255, 0.06);
}

.casestudy-more-label {
  display: block;
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.2);
  margin-bottom: var(--space-32);
}

.casestudy-cards {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2px;
  background: rgba(255, 255, 255, 0.05);
}

.casestudy-card {
  background: var(--surface-inverse);
  padding: var(--space-32);
  display: flex;
  flex-direction: column;
  gap: var(--space-24);
  transition: background 0.3s ease;
}

.casestudy-card:hover {
  background: rgba(255, 255, 255, 0.02);
}

.casestudy-card-top {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.casestudy-card-client {
  font-size: 1rem;
  font-weight: 700;
  color: rgba(255, 255, 255, 0.85);
  letter-spacing: -0.01em;
}

.casestudy-card-tag {
  font-size: 0.65rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.2);
}

.casestudy-card-metrics {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2px;
  background: rgba(255, 255, 255, 0.05);
}

.casestudy-card-metric {
  background: var(--surface-inverse);
  padding: var(--space-16);
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.casestudy-card:hover .casestudy-card-metric {
  background: rgba(255, 255, 255, 0.02);
}

.casestudy-card-num {
  font-size: 1.35rem;
  font-weight: 900;
  letter-spacing: -0.04em;
  color: var(--olive);
  line-height: 1;
}

.casestudy-card-label {
  font-size: 0.68rem;
  color: rgba(255, 255, 255, 0.3);
  line-height: 1.3;
}

.casestudy-card-desc {
  font-size: 0.88rem;
  color: rgba(255, 255, 255, 0.4);
  line-height: 1.65;
}

@media (max-width: 900px) {
  .casestudy-body {
    grid-template-columns: 1fr;
    gap: var(--space-48);
  }

  .casestudy-cards {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 600px) {
  .casestudy {
    padding: var(--space-64) 0;
  }

  .casestudy-metrics {
    grid-template-columns: 1fr 1fr;
  }

  .casestudy-metric {
    padding: var(--space-24) var(--space-16);
  }
}