/* Case studies hub — editorial list of projects */

.csh-hero {
  padding: 140px 0 60px;
}
.csh-hero-top {
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 16px;
  margin-bottom: 28px;
}
.csh-hero-crumb {
  color: var(--fg-muted);
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}
.csh-hero-crumb a { color: var(--fg-muted); }
.csh-hero-crumb a:hover { color: var(--fg); }
.csh-hero-crumb .sep { opacity: 0.4; }

.csh-hero-head {
  font-family: var(--font-sans);
  font-weight: 500;
  font-size: clamp(48px, 8vw, 120px);
  line-height: 0.98;
  letter-spacing: -0.035em;
  margin: 0 0 28px;
  max-width: 14ch;
}
.csh-hero-head em {
  font-family: var(--font-serif);
  font-style: italic;
  font-weight: 400;
}

.csh-hero-lede {
  font-size: clamp(16px, 1.3vw, 19px);
  line-height: 1.55;
  color: var(--fg-soft);
  max-width: 62ch;
  margin: 0 0 48px;
}

.csh-filters {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  align-items: center;
  padding: 20px 0 24px;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}
.csh-filters-label {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--fg-muted);
  margin-right: 8px;
}
.csh-filter {
  padding: 8px 16px;
  border: 1px solid var(--border);
  border-radius: 999px;
  background: transparent;
  font-family: var(--font-sans);
  font-size: 13px;
  color: var(--fg);
  cursor: pointer;
  transition: background .2s, border-color .2s;
}
.csh-filter:hover { background: color-mix(in oklab, var(--fg) 5%, transparent); }
.csh-filter.is-active {
  background: var(--accent);
  color: var(--accent-ink);
  border-color: var(--accent);
}

.csh-list {
  padding: 0 0 96px;
}

.csh-item {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(40px, 5vw, 72px);
  align-items: stretch;
  padding: 56px 0;
  border-bottom: 1px solid var(--border);
  transition: padding .3s ease;
  text-decoration: none;
  color: inherit;
}
.csh-item:first-of-type { border-top: 1px solid var(--border); }
.csh-item:hover { padding-left: 12px; padding-right: 12px; }
.csh-item:nth-child(even) {
  direction: rtl;
}
.csh-item:nth-child(even) > * { direction: ltr; }

.csh-item-media {
  aspect-ratio: 4 / 3;
  overflow: hidden;
  border-radius: 14px;
  background: var(--bg-2);
  border: 1px solid var(--border);
  position: relative;
}
.csh-item-media img {
  width: 100%; height: 100%;
  object-fit: cover;
  display: block;
  transition: transform .8s cubic-bezier(.2,.7,.1,1);
}
.csh-item:hover .csh-item-media img {
  transform: scale(1.05);
}

.csh-item-body {
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 18px;
}
.csh-item-num {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--fg-muted);
}
.csh-item-tag {
  display: inline-block;
  padding: 5px 12px;
  border-radius: 999px;
  background: var(--accent);
  color: var(--accent-ink);
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  font-weight: 500;
  align-self: flex-start;
}
.csh-item-title {
  font-family: var(--font-sans);
  font-weight: 500;
  font-size: clamp(28px, 3.5vw, 48px);
  line-height: 1.05;
  letter-spacing: -0.03em;
  margin: 0;
  max-width: 18ch;
}
.csh-item-title em {
  font-family: var(--font-serif);
  font-style: italic;
  font-weight: 400;
}
.csh-item-desc {
  font-size: 15.5px;
  line-height: 1.6;
  color: var(--fg-soft);
  margin: 0;
  max-width: 52ch;
}
.csh-item-stats {
  display: flex;
  gap: 28px;
  margin-top: 8px;
}
.csh-item-stat {
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.csh-item-stat-k {
  font-family: var(--font-sans);
  font-weight: 500;
  font-size: clamp(24px, 2vw, 32px);
  letter-spacing: -0.02em;
  line-height: 1;
  color: var(--fg);
}
.csh-item-stat-l {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--fg-muted);
}
.csh-item-services {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-top: 10px;
}
.csh-item-service {
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--fg-muted);
}
.csh-item-service::after { content: "·"; margin: 0 4px; color: var(--border); }
.csh-item-service:last-child::after { display: none; }
.csh-item-cta {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--fg);
  margin-top: 12px;
  transition: gap .2s;
}
.csh-item:hover .csh-item-cta { gap: 14px; color: var(--accent); }

/* Responsive */
@media (max-width: 1100px) {
  .csh-item { grid-template-columns: 1fr; gap: 28px; padding: 40px 0; }
  .csh-item:nth-child(even) { direction: ltr; }
  .csh-item:hover { padding-left: 0; padding-right: 0; }
}
@media (max-width: 760px) {
  .csh-hero { padding: 96px 0 32px; }
  .csh-hero-head { font-size: clamp(40px, 12vw, 64px); }
  .csh-filters { gap: 8px; }
  .csh-filter { padding: 6px 12px; font-size: 12px; }
  .csh-item-stats { gap: 20px; }
}

/* ============= MOBILE FIXES (≤760px) ============= */
@media (max-width: 760px) {
  .csh-grid { grid-template-columns: 1fr !important; gap: 20px; }
  .csh-hero-head { font-size: clamp(40px, 11vw, 64px) !important; }
}