/* Case Study Page Styles */
.cs-hero { padding: 120px 0 64px; background: var(--bg); }
.cs-back { display: inline-flex; align-items: center; gap: 6px; font-family: var(--mono); font-size: 12px; color: var(--text3); margin-bottom: 24px; transition: color .2s; }
.cs-back:hover { color: var(--accent); }
.cs-badge { display: inline-block; font-family: var(--mono); font-size: 11px; padding: 4px 10px; border-radius: 4px; background: rgba(124,147,195,.08); color: var(--accent); border: 1px solid rgba(124,147,195,.15); margin-bottom: 16px; }
.cs-title { font-size: clamp(32px, 5vw, 48px); font-weight: 700; line-height: 1.1; letter-spacing: -.025em; margin-bottom: 16px; }
.cs-subtitle { font-size: 17px; color: var(--text2); max-width: 600px; line-height: 1.7; }

.cs-metrics { padding: 32px 0; border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); background: var(--bg2); }
.cs-metrics-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); gap: 24px; }
.cs-metric { text-align: center; }
.cs-metric-num { font-family: var(--mono); font-size: 32px; font-weight: 700; color: var(--text); display: block; }
.cs-metric-lbl { font-size: 13px; color: var(--text3); margin-top: 4px; }

.cs-content { padding: 80px 0; background: var(--bg); }
.cs-content-grid { display: grid; grid-template-columns: 2fr 1fr; gap: 64px; align-items: start; }
.cs-main { }
.cs-sidebar { position: sticky; top: 84px; }
.cs-section-title { font-size: 20px; font-weight: 700; margin-bottom: 16px; }
.cs-text { font-size: 15px; color: var(--text2); line-height: 1.72; margin-bottom: 24px; }
.cs-list { margin-bottom: 24px; }
.cs-list li { display: flex; align-items: flex-start; gap: 10px; font-size: 14px; color: var(--text2); margin-bottom: 8px; }
.cs-list li::before { content: '→'; color: var(--accent); font-family: var(--mono); flex-shrink: 0; }

.cs-tech { padding: 24px; background: var(--card); border: 1px solid var(--border); border-radius: var(--r); }
.cs-tech-title { font-family: var(--mono); font-size: 10px; letter-spacing: .12em; text-transform: uppercase; color: var(--text4); margin-bottom: 12px; }
.cs-tech-tags { display: flex; flex-wrap: wrap; gap: 6px; }

.cs-cta { padding: 80px 0; background: var(--bg2); text-align: center; }

@media (max-width: 900px) {
  .cs-content-grid { grid-template-columns: 1fr; }
  .cs-sidebar { position: static; }
}