/* CardWise case study — extends portfolio tokens */
.case-page {
  background:
    radial-gradient(ellipse 80% 50% at 10% -10%, color-mix(in srgb, var(--accent) 12%, transparent), transparent 55%),
    var(--bg);
  color: var(--text);
  min-height: 100vh;
}

.case-topbar {
  position: sticky;
  top: 0;
  z-index: 40;
  border-bottom: 1px solid var(--border);
  background: color-mix(in srgb, var(--bg) 88%, transparent);
  backdrop-filter: blur(10px);
}
.case-topbar-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding-block: 14px;
  flex-wrap: wrap;
}
.case-brand {
  font-family: var(--mono);
  font-size: 13px;
  letter-spacing: 0.04em;
  color: var(--text);
  text-decoration: none;
}
.case-brand span { color: var(--muted); }
.case-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  align-items: center;
  font-family: var(--mono);
  font-size: 11px;
  text-transform: lowercase;
}
.case-nav a {
  color: var(--muted);
  text-decoration: none;
}
.case-nav a:hover,
.case-nav a:focus-visible { color: var(--accent); }
.case-nav-cta { color: var(--accent) !important; }

.case-hero {
  padding: clamp(40px, 8vw, 88px) 0 clamp(36px, 5vw, 56px);
  border-bottom: 1px solid var(--border);
}
.case-crumb {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  font-family: var(--mono);
  font-size: 11px;
  color: var(--muted);
  margin-bottom: 20px;
}
.case-crumb a { color: var(--muted); text-decoration: none; }
.case-crumb a:hover { color: var(--accent); }
.case-kicker {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  color: var(--accent);
  margin: 0 0 12px;
}
.case-title {
  font-family: var(--serif, "Instrument Serif", Georgia, serif);
  font-size: clamp(36px, 6vw, 64px);
  font-weight: 400;
  line-height: 1.1;
  margin: 0 0 18px;
  max-width: 18ch;
}
.case-title em { font-style: italic; color: var(--accent); }
.case-lede {
  max-width: 62ch;
  font-size: clamp(16px, 1.6vw, 18px);
  line-height: 1.55;
  color: var(--muted);
  margin: 0 0 24px;
}
.case-hero-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 12px 20px;
  font-family: var(--mono);
  font-size: 12px;
  color: var(--muted);
  margin-bottom: 28px;
}
.case-hero-meta strong {
  color: var(--text);
  font-weight: 500;
  margin-right: 6px;
}
.case-hero-cta {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.case-section {
  padding: clamp(40px, 6vw, 72px) 0;
  border-bottom: 1px solid var(--border);
}
.case-section-alt {
  background: color-mix(in srgb, var(--bg-2) 80%, transparent);
}
.case-section h2 {
  font-family: var(--serif, "Instrument Serif", Georgia, serif);
  font-size: clamp(28px, 3.5vw, 40px);
  font-weight: 400;
  margin: 0 0 12px;
}
.case-section-sub {
  font-family: var(--mono);
  font-size: 12px;
  color: var(--muted);
  margin: 0 0 28px;
}
.case-prose p {
  max-width: 68ch;
  line-height: 1.65;
  color: var(--muted);
}
.case-prose code {
  font-family: var(--mono);
  font-size: 0.9em;
  color: var(--accent);
}
.case-bullets,
.case-steps {
  max-width: 68ch;
  margin: 20px 0 0;
  padding-left: 1.2em;
  line-height: 1.65;
  color: var(--muted);
}
.case-bullets li,
.case-steps li { margin-bottom: 10px; }
.case-bullets strong { color: var(--text); }

.journey {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 16px;
}
.journey-tab {
  font-family: var(--mono);
  font-size: 11px;
  padding: 10px 14px;
  border: 1px solid var(--border);
  background: var(--bg);
  color: var(--muted);
  cursor: pointer;
  transition: border-color 0.2s var(--ease, ease), color 0.2s var(--ease, ease);
}
.journey-tab:hover,
.journey-tab:focus-visible {
  border-color: var(--accent);
  color: var(--text);
  outline: none;
}
.journey-tab.active {
  border-color: var(--accent);
  color: var(--accent);
}
.journey-panel {
  border: 1px solid var(--border);
  padding: clamp(18px, 3vw, 28px);
  background: var(--bg);
  min-height: 88px;
}
.journey-copy {
  margin: 0;
  max-width: 62ch;
  line-height: 1.6;
  color: var(--muted);
}
@media (prefers-reduced-motion: no-preference) {
  .journey-copy {
    animation: case-fade 0.35s var(--ease, ease);
  }
}
@keyframes case-fade {
  from { opacity: 0; transform: translateY(4px); }
  to { opacity: 1; transform: none; }
}

.sample-grid {
  display: grid;
  grid-template-columns: minmax(200px, 280px) 1fr;
  gap: 20px;
}
@media (max-width: 720px) {
  .sample-grid { grid-template-columns: 1fr; }
}
.sample-inputs,
.sample-result {
  border: 1px solid var(--border);
  padding: clamp(16px, 2.5vw, 24px);
  background: var(--bg-2);
}
.sample-inputs h3,
.sample-result h3 {
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin: 0 0 16px;
  color: var(--text);
}
.sample-inputs dl {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 8px 16px;
  margin: 0;
  font-family: var(--mono);
  font-size: 12px;
}
.sample-inputs dt { color: var(--muted); }
.sample-inputs dd { margin: 0; color: var(--text); }
.sample-note {
  margin: 18px 0 0;
  font-family: var(--mono);
  font-size: 10px;
  color: var(--muted);
}
.sample-badge {
  font-size: 10px;
  color: var(--accent);
  letter-spacing: 0.06em;
}
.sample-card-name {
  font-family: var(--serif, "Instrument Serif", Georgia, serif);
  font-size: 28px;
  margin: 0 0 10px;
}
.sample-card-name span {
  font-family: var(--mono);
  font-size: 12px;
  color: var(--muted);
}
.sample-reason {
  font-family: var(--mono);
  font-size: 13px;
  color: var(--accent);
  margin: 0 0 16px;
}
.sample-disclaimer {
  font-size: 13px;
  line-height: 1.5;
  color: var(--muted);
  margin: 0;
  max-width: 52ch;
}

.arch-diagram {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  margin: 0 0 28px;
}
.arch-node {
  font-family: var(--mono);
  font-size: 12px;
  padding: 12px 16px;
  border: 1px solid var(--border);
  background: var(--bg-2);
}
.arch-node.accent {
  border-color: var(--accent);
  color: var(--accent);
}
.arch-arrow {
  color: var(--muted);
  font-family: var(--mono);
}

.case-footer {
  padding: 28px 0 48px;
  font-family: var(--mono);
  font-size: 11px;
  color: var(--muted);
}
.case-footer .container {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 12px;
}
.case-footer a {
  color: var(--muted);
  text-decoration: none;
}
.case-footer a:hover { color: var(--accent); }

@media (prefers-reduced-motion: reduce) {
  .journey-copy { animation: none; }
}