.case-page { padding-bottom: 96px; }
.case-header { border-bottom: 1px solid var(--border); }
.case-header-inner { padding: 40px var(--gutter); }
.back-link { display: inline-flex; min-height: 44px; align-items: center; gap: 8px; color: var(--muted); font: 11px var(--font-mono); letter-spacing: .16em; text-decoration: none; text-transform: uppercase; }
.back-link:hover { color: var(--fg); }
.case-kicker { margin-top: 32px; }
.case-title { margin-top: 16px; max-width: 896px; font-size: 36px; }
.case-summary { max-width: 672px; margin: 24px 0 0; color: var(--muted); font-size: 16px; line-height: 1.7; }
.case-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 32px; }
.case-status { display: inline-flex; min-height: 44px; align-items: center; color: var(--subtle); font: 11px var(--font-mono); letter-spacing: .16em; text-transform: uppercase; }
.case-scene { padding: 40px var(--gutter); }
.case-content { display: grid; gap: 64px; padding-inline: var(--gutter); }
.case-section { min-width: 0; }
.case-section h2 { margin-top: 12px; max-width: 768px; font-size: 30px; }
.case-body { display: grid; gap: 16px; max-width: 672px; margin-top: 24px; color: var(--muted); font-size: 16px; line-height: 1.7; }
.case-body p { margin: 0; }
.decision-grid { display: grid; gap: 16px; margin-top: 32px; }
.decision-card { padding: 20px; border: 1px solid var(--border); background: var(--bg-elevated); }
.decision-card h3 { margin-top: 12px; font: 24px/1.1 var(--font-display); font-weight: 400; }
.decision-card dl { display: grid; gap: 16px; margin: 24px 0 0; }
.decision-card dl > div { display: grid; gap: 8px; }
.decision-card dt { margin: 0; }
.decision-card dd { margin: 0; font-size: 14px; line-height: 1.7; }
.decision-card dd[data-tone="muted"] { color: var(--muted); }
.decision-card dd[data-tone="fg"] { color: var(--fg); }
.behavior-list { margin: 28px 0 0; padding: 0; list-style: none; border-block: 1px solid var(--border); }
.behavior-list li { display: grid; grid-template-columns: 220px minmax(0, 1fr); gap: 12px; padding: 24px 0; border-bottom: 1px solid var(--border); }
.behavior-list li:last-child { border-bottom: 0; }
.behavior-list strong { color: var(--fg); font: 11px var(--font-mono); letter-spacing: .16em; text-transform: uppercase; }
.behavior-list span { color: var(--muted); font-size: 14px; line-height: 1.7; }
.tech-line { margin-top: 24px; color: var(--subtle); font: 10px/1.7 var(--font-mono); letter-spacing: .12em; text-transform: uppercase; }
.case-next { margin-top: 80px; padding: 40px var(--gutter); border-top: 1px solid var(--border); }
.case-next-link { display: flex; align-items: end; justify-content: space-between; gap: 20px; margin-top: 14px; text-decoration: none; }
.case-next-title { margin-top: 8px; font-size: 30px; }
.case-next-open { color: var(--muted); font: 11px var(--font-mono); letter-spacing: .16em; text-transform: uppercase; }
.case-next-link:hover .case-next-open { color: var(--fg); }
@media (min-width: 900px) { .case-header-inner, .case-scene, .case-content, .case-next { width: min(var(--shell), calc(100% - (var(--gutter) * 2))); margin-inline: auto; } .case-header-inner { padding-block: 64px; } .case-title { font-size: 60px; } .case-section h2 { font-size: 36px; } .decision-card { padding: 24px; } .decision-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); } .case-next-title { font-size: 36px; } }
@media (max-width: 620px) { .behavior-list li { grid-template-columns: 1fr; gap: 8px; } .case-next-link { align-items: start; flex-direction: column; } }