/* ============================================
   FILTER ROW
   ============================================ */
.filter-row {
  display: flex;
  align-items: center;
  gap: 24px;
  margin-bottom: 48px;
  flex-wrap: wrap;
  padding-bottom: 24px;
  border-bottom: 1px solid var(--border);
}
@media (max-width: 600px) {
  .filter-row { gap: 12px; margin-bottom: 32px; }
  .filter-chips { width: 100%; overflow-x: auto; flex-wrap: nowrap; -webkit-overflow-scrolling: touch; padding-bottom: 4px; }
  .filter-chip { white-space: nowrap; flex-shrink: 0; }
  .filter-count { margin-left: 0; }
}
.filter-chips {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  flex: 1;
}
.filter-chip {
  font-family: var(--font-mono);
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  padding: 8px 14px;
  border-radius: 999px;
  border: 1px solid var(--border-strong);
  color: var(--fg-dim);
  transition: all 0.15s;
  background: transparent;
}
.filter-chip:hover { color: var(--fg); border-color: var(--fg-dim); }
.filter-chip.active {
  background: var(--accent);
  color: #000;
  border-color: var(--accent);
  font-weight: 600;
}
.filter-count {
  margin-left: auto;
  color: var(--fg-mute);
}

/* ============================================
   CASE GRID
   ============================================ */
.case-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
}
@media (max-width: 800px) {
  .case-grid { grid-template-columns: 1fr; }
}
.case-card {
  --hue: 130;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  background: var(--bg-elev);
  cursor: pointer;
  transition: transform 0.2s, border-color 0.2s;
  overflow: hidden;
  display: flex;
  flex-direction: column;
}
.case-card:hover {
  transform: translateY(-4px);
  border-color: oklch(0.85 0.18 var(--hue));
  box-shadow: 0 12px 40px -12px oklch(0.85 0.18 var(--hue) / 0.25);
}
.case-card.case-card-large {
  grid-column: span 2;
}
@media (max-width: 800px) {
  .case-card.case-card-large { grid-column: span 1; }
}

.case-thumb {
  position: relative;
  aspect-ratio: 16 / 9;
  background:
    radial-gradient(ellipse at 30% 30%, oklch(0.85 0.18 var(--hue) / 0.18), transparent 60%),
    radial-gradient(ellipse at 70% 70%, oklch(0.85 0.18 calc(var(--hue) + 60) / 0.12), transparent 60%),
    var(--bg);
  overflow: hidden;
  display: grid;
  place-items: center;
}
.case-card-large .case-thumb { aspect-ratio: 21 / 9; }
.case-thumb-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.04) 1px, transparent 1px);
  background-size: 32px 32px;
}
.case-thumb-mark {
  font-family: var(--font-display);
  font-size: clamp(80px, 12vw, 160px);
  font-weight: 500;
  letter-spacing: -0.05em;
  line-height: 1;
  color: oklch(0.92 0.18 var(--hue));
  text-shadow: 0 0 60px oklch(0.92 0.18 var(--hue) / 0.4);
  position: relative;
  z-index: 2;
}
.case-thumb-meta {
  position: absolute;
  bottom: 16px;
  left: 16px;
  right: 16px;
  display: flex;
  justify-content: space-between;
  z-index: 3;
  color: var(--fg-mute);
}

.case-body {
  padding: 28px 32px;
  display: flex;
  flex-direction: column;
  gap: 14px;
}
@media (max-width: 600px) { .case-body { padding: 24px; } }
.case-client {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--accent);
}
.case-tagline {
  font-family: var(--font-display);
  font-size: 24px;
  font-weight: 500;
  letter-spacing: -0.02em;
  line-height: 1.15;
}
.case-card-large .case-tagline { font-size: 32px; }
.case-services {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
}
.case-service-tag {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  padding: 4px 10px;
  border: 1px solid var(--border-strong);
  border-radius: 999px;
  color: var(--fg-dim);
}
.case-stats-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  padding-top: 16px;
  border-top: 1px solid var(--border);
}
.case-stat-num {
  font-family: var(--font-display);
  font-size: 28px;
  font-weight: 500;
  letter-spacing: -0.02em;
  color: var(--fg);
  margin-bottom: 4px;
  line-height: 1;
}

/* ============================================
   MODAL
   ============================================ */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.7);
  backdrop-filter: blur(8px);
  z-index: 200;
  display: grid;
  place-items: center;
  padding: 24px;
  overflow-y: auto;
  animation: fadeIn 0.2s;
}
@media (max-width: 600px) {
  .modal-overlay { padding: 12px; align-items: start; }
  .modal-sheet { max-height: calc(100vh - 24px); }
}
@keyframes fadeIn { from { opacity: 0; } to { opacity: 1; } }
.modal-sheet {
  background: var(--bg-elev);
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-lg);
  max-width: 960px;
  width: 100%;
  max-height: 92vh;
  overflow-y: auto;
  position: relative;
  animation: slideUp 0.25s ease;
}
@keyframes slideUp { from { transform: translateY(20px); opacity: 0; } to { transform: translateY(0); opacity: 1; } }
.modal-close {
  position: absolute;
  top: 20px; right: 20px;
  width: 36px; height: 36px;
  border-radius: 50%;
  background: var(--bg);
  border: 1px solid var(--border-strong);
  font-size: 22px;
  color: var(--fg);
  display: grid;
  place-items: center;
  z-index: 10;
  transition: background 0.15s;
}
.modal-close:hover { background: var(--accent); color: #000; }

.case-modal-hero {
  --hue: 130;
  position: relative;
  aspect-ratio: 21/9;
  background:
    radial-gradient(ellipse at 30% 30%, oklch(0.85 0.18 var(--hue) / 0.22), transparent 60%),
    radial-gradient(ellipse at 70% 70%, oklch(0.85 0.18 calc(var(--hue) + 60) / 0.14), transparent 60%),
    var(--bg);
  display: grid;
  place-items: center;
  border-bottom: 1px solid var(--border);
}
.case-modal-mark {
  font-family: var(--font-display);
  font-size: 140px;
  font-weight: 500;
  letter-spacing: -0.05em;
  color: oklch(0.92 0.18 var(--hue));
  text-shadow: 0 0 60px oklch(0.92 0.18 var(--hue) / 0.4);
  position: relative;
  z-index: 2;
}

.case-modal-body { padding: 48px; }
@media (max-width: 600px) { .case-modal-body { padding: 28px; } }
.case-modal-title { margin-top: 12px; margin-bottom: 16px; }
.case-modal-tagline {
  font-size: 20px;
  color: var(--fg-dim);
  margin-bottom: 40px;
  max-width: 600px;
}

.case-modal-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  padding: 32px;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  margin-bottom: 40px;
}
@media (max-width: 600px) { .case-modal-stats { grid-template-columns: 1fr; } }
.case-stat-big-num {
  font-family: var(--font-display);
  font-size: 44px;
  font-weight: 500;
  letter-spacing: -0.03em;
  color: var(--accent);
  line-height: 1;
  margin-bottom: 8px;
}

.case-modal-grid {
  display: grid;
  grid-template-columns: 1fr 280px;
  gap: 48px;
}
@media (max-width: 800px) { .case-modal-grid { grid-template-columns: 1fr; } }
.case-modal-summary {
  font-size: 17px;
  line-height: 1.6;
  color: var(--fg);
}
.case-modal-meta {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px;
  display: flex;
  flex-direction: column;
  gap: 18px;
}