/* ==================== Case study content ==================== */
.hero-img {
  mix-blend-mode: multiply;
}

[data-theme="dark"] .hero-img {
  mix-blend-mode: normal;
}

.top-bar-back {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 30px;
  height: 30px;
  border-radius: 50%;
  border: 1px solid var(--border-color);
  color: var(--text-muted);
  flex-shrink: 0;
  transition: var(--transition);
  margin-right: 12px;
}

.top-bar-back:hover {
  color: var(--text-color);
  border-color: var(--text-muted);
}
.content {
  padding-top: 40px;
}
.back-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 0.85rem;
  letter-spacing: 0.04em;
  color: var(--text-muted);
  margin-bottom: 4px;
}

.back-link:hover {
  color: var(--accent);
}

.case-content {
  max-width: 100%;
}

.case-hero h1 {
  font-family: 'Geist Pixel', var(--font-body);
  font-weight: 400;
  font-size: 2.4rem;
  line-height: 1.25;
  margin: 0 0 40px;
}

.case-hero-text {
  padding: 20px 0 32px;
}

.case-hero-label {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.1em;
  color: var(--text-muted);
  margin-bottom: 12px;
}

.case-hero-heading {
  font-family: 'Geist Pixel', var(--font-body);
  font-size: 2.8rem;
  font-weight: 400;
  line-height: 1.15;
  color: var(--text-color);
  margin-bottom: 24px;
}

.case-hero-subtitle {
  font-size: 1rem;
  color: var(--text-muted);
  line-height: 1.7;
}

.case-subtitle {
  color: var(--text-muted);
  font-size: 1.1rem;
  margin-bottom: 32px;
}

.case-meta {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 32px;
  width: 100%;
  padding: 24px 0;
  margin-bottom: 8px;
  border-top: 1px solid var(--border-color);
  border-bottom: 1px solid var(--border-color);
}

.case-meta-item {
  min-width: 0;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.case-meta-label {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--text-muted);
}

.case-section {
  margin-top: 64px;
}

.case-section > p {
  color: var(--text-muted);
  margin-top: 16px;
}

.case-section h3 {
  font-family: 'Geist Pixel', var(--font-body);
  font-weight: 400;
  font-size: 1.15rem;
  margin: 32px 0 12px;
}

/* Callout / HMW box */
.callout {
  border-left: 2px solid var(--accent);
  padding: 4px 24px;
  margin: 24px 0;
}

.callout-label {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 8px;
}

.callout p {
  font-family: 'Geist Pixel', var(--font-body);
  font-size: 1.2rem;
  line-height: 1.4;
  color: var(--text-color);
}

/* User cards */
.user-cards {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
  margin-top: 24px;
}

.user-card {
  border: 1px solid var(--border-color);
  border-radius: 12px;
  padding: 20px;
  background-color: var(--bg-sidebar);
}

.user-card h3 {
  margin-top: 0;
  margin-bottom: 8px;
}

.user-card p {
  color: var(--text-muted);
  font-size: 0.9rem;
}

/* Approach steps */
.approach-steps {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  list-style: none;
  margin: 24px 0 0;
  padding: 0;
  counter-reset: step;
}

.approach-steps li {
  counter-increment: step;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  letter-spacing: 0.02em;
  padding: 6px 14px;
  border: 1px solid var(--border-color);
  border-radius: 100px;
  color: var(--text-muted);
}

.approach-steps li::before {
  content: counter(step) '. ';
  color: var(--accent);
}


/* Media placeholders */
.media-placeholder {
  position: relative;
  height: 320px;
  margin: 24px 0;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px dashed var(--border-color);
  border-radius: 12px;
  background-color: var(--bg-sidebar);
  overflow: hidden;
}

.media-placeholder.small {
  height: 160px;
  margin: 0;
}

.media-caption {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.04em;
  color: var(--text-muted);
  background-color: var(--hover-bg);
  padding: 6px 14px;
  border-radius: 100px;
  border: 1px solid var(--border-color);
  z-index: 1;
  text-align: center;
}

.media-placeholder.video::after {
  content: '\25B6';
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background-color: var(--hover-bg);
  border: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  color: var(--text-color);
}

/* Research grid */
.research-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  margin-top: 24px;
}

.research-card {
  border: 1px solid var(--border-color);
  border-radius: 12px;
  padding: 16px;
  background-color: var(--bg-sidebar);
}

.research-card h4 {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 12px;
}

/* Flow / design blocks */
.flow-block,
.design-block {
  margin-top: 40px;
}

.flow-block:first-of-type,
.design-block:first-of-type {
  margin-top: 24px;
}

/* Feature / impact lists */
.feature-list,
.impact-list {
  list-style: none;
  padding: 0;
  margin: 16px 0 0;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.feature-list li,
.impact-list li {
  position: relative;
  padding-left: 22px;
  color: var(--text-muted);
  font-size: 0.95rem;
  line-height: 1.6;
}

.feature-list li::before,
.impact-list li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0.65em;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background-color: var(--accent);
}

/* Impact stat highlight */
.stat-highlight {
  display: flex;
  align-items: center;
  gap: 24px;
  margin: 24px 0;
  padding: 24px;
  border: 1px solid var(--border-color);
  border-radius: 12px;
  background-color: var(--bg-sidebar);
}

.stat-number {
  font-family: 'Geist Pixel', var(--font-body);
  font-size: 3rem;
  line-height: 1;
  flex-shrink: 0;
}

.stat-text {
  color: var(--text-color);
  font-size: 1rem;
}

/* Image comparison slider */
.img-compare {
  position: relative;
  overflow: hidden;
  cursor: ew-resize;
  user-select: none;
  border-radius: 8px;
  margin-top: 24px;
  touch-action: none;
}

.img-compare-base {
  display: block;
  width: 100%;
  height: auto;
}

.img-compare-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  clip-path: inset(0 0 0 var(--pos, 50%));
  pointer-events: none;
}

.img-compare-handle {
  position: absolute;
  top: 0;
  bottom: 0;
  left: var(--pos, 50%);
  transform: translateX(-50%);
  width: 2px;
  background: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  pointer-events: none;
}

.img-compare-btn {
  width: 36px;
  height: 36px;
  background: #fff;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 2px 12px rgba(0,0,0,0.25);
  flex-shrink: 0;
  color: #333;
}

.img-compare-drag-zone {
  position: absolute;
  inset: 0;
  z-index: 10;
  cursor: ew-resize;
}



/* ==================== Responsive ==================== */
@media (max-width: 768px) {
  .case-hero h1 { font-size: 1.6rem; }
  .case-hero-heading { font-size: 1.8rem; }

  .case-meta {
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
  }

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

  .research-grid { grid-template-columns: repeat(2, 1fr); }

  .stat-highlight {
    flex-direction: column;
    text-align: center;
  }

  .content { padding-top: 28px; }
}

@media (max-width: 480px) {
  .case-hero h1 { font-size: 1.35rem; }
  .case-hero-heading { font-size: 1.4rem; }
  .case-meta { grid-template-columns: 1fr; gap: 16px; }
  .research-grid { grid-template-columns: 1fr; }
  .callout p { font-size: 1rem; }
  .stat-number { font-size: 2rem; }
}