.demo-body{margin:0;min-height:100vh;background:#0a0c15;color:#e3e6f0;font-family:var(--font-sans);overflow:hidden}.slide{position:fixed;inset:0;display:flex;flex-direction:column;align-items:center;justify-content:center;padding:40px 60px;opacity:0;transform:translate(40px);transition:opacity .4s var(--easing-standard),transform .4s var(--easing-standard);pointer-events:none}.slide.active{opacity:1;transform:translate(0);pointer-events:auto}.slide.prev{transform:translate(-40px)}.slide-eyebrow{font-size:13px;font-weight:500;letter-spacing:.12em;text-transform:uppercase;color:var(--color-accent-400);margin-bottom:16px}.slide-title{font-size:42px;font-weight:700;line-height:1.15;max-width:800px;text-align:center;margin:0 0 24px;color:#fff}.slide-subtitle{font-size:18px;line-height:1.6;max-width:640px;text-align:center;color:#9ca3af;margin:0 0 40px}.demo-card{background:#12141d;border:1px solid #1e2130;border-radius:16px;padding:32px;max-width:880px;width:100%;box-shadow:0 8px 40px #0006}.demo-card.split{display:grid;grid-template-columns:1fr 1fr;gap:24px}.demo-card-col h3{font-size:13px;font-weight:500;letter-spacing:.08em;text-transform:uppercase;color:var(--color-accent-400);margin:0 0 12px}.code-block{background:#0a0c15;border:1px solid #1e2130;border-radius:10px;padding:16px;font-family:var(--font-mono);font-size:13px;line-height:1.6;color:#c4c8d4;white-space:pre-wrap;word-break:break-word;max-height:280px;overflow-y:auto}.badge{display:inline-flex;align-items:center;gap:6px;padding:6px 14px;border-radius:999px;font-size:13px;font-weight:600;letter-spacing:.03em}.badge-pass{background:#12a15026;color:#4ade80;border:1px solid rgba(18,161,80,.3)}.badge-fail{background:#e0574c26;color:#f87171;border:1px solid rgba(224,87,76,.3)}.badge-expand{background:#e0871e26;color:#fbbf24;border:1px solid rgba(224,135,30,.3)}.badge-info{background:#2563eb26;color:var(--color-accent-400);border:1px solid rgba(37,99,235,.3)}.demo-btn{display:inline-flex;align-items:center;gap:8px;padding:14px 28px;border-radius:12px;border:none;font-size:16px;font-weight:600;cursor:pointer;transition:all .2s var(--easing-standard);background:var(--color-accent);color:#fff}.demo-btn:hover{background:var(--color-accent-hover);transform:translateY(-1px);box-shadow:0 4px 20px #2563eb66}.demo-btn:disabled{opacity:.5;cursor:wait;transform:none}.demo-btn-secondary{background:transparent;color:#9ca3af;border:1px solid #2a2d3d}.demo-btn-secondary:hover{background:#1a1d2a;color:#fff}.spinner{display:inline-block;width:18px;height:18px;border:2px solid #2a2d3d;border-top-color:var(--color-accent);border-radius:50%;animation:spin .7s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.nav-bar{position:fixed;bottom:0;left:0;right:0;display:flex;align-items:center;justify-content:space-between;padding:20px 60px;background:linear-gradient(to top,#0a0c15 60%,transparent);z-index:100}.nav-dots{display:flex;gap:10px;align-items:center}.nav-dot{width:8px;height:8px;border-radius:50%;background:#2a2d3d;cursor:pointer;transition:all .2s}.nav-dot.active{background:var(--color-accent);width:24px;border-radius:4px}.progress-bar{position:fixed;top:0;left:0;height:3px;background:var(--color-accent);transition:width .4s var(--easing-standard);z-index:100}.source-item{display:flex;align-items:flex-start;gap:10px;padding:10px 0;border-bottom:1px solid #1e2130}.source-item:last-child{border-bottom:none}.source-rank{flex-shrink:0;width:22px;height:22px;border-radius:50%;background:#1a1d2a;display:flex;align-items:center;justify-content:center;font-size:11px;font-weight:600;color:#9ca3af}.source-code{font-family:var(--font-mono);font-size:13px;color:var(--color-accent-400);font-weight:500}.source-meta{font-size:12px;color:#6b7280;margin-top:2px}.source-content{font-size:13px;color:#9ca3af;margin-top:4px;line-height:1.5}.ledger-entry{font-family:var(--font-mono);font-size:13px;line-height:1.8}.ledger-label{color:#6b7280;display:inline-block;width:160px}.ledger-value{color:#c4c8d4}.ledger-hash{color:var(--color-accent-400);word-break:break-all}.ledger-verified{color:#4ade80;font-weight:600}.fade-in{animation:fadeIn .5s var(--easing-standard) forwards}@keyframes fadeIn{0%{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}.stagger>*{opacity:0;animation:fadeIn .4s var(--easing-standard) forwards}.stagger>*:nth-child(1){animation-delay:.1s}.stagger>*:nth-child(2){animation-delay:.2s}.stagger>*:nth-child(3){animation-delay:.3s}.stagger>*:nth-child(4){animation-delay:.4s}.stagger>*:nth-child(5){animation-delay:.5s}.stagger>*:nth-child(6){animation-delay:.6s}.typing:after{content:"▊";animation:blink .8s steps(2) infinite;color:var(--color-accent)}@keyframes blink{50%{opacity:0}}.split-layout{display:grid;grid-template-columns:1fr 1fr;gap:24px;width:100%;max-width:880px}@media(max-width:768px){.slide{padding:20px}.slide-title{font-size:28px}.demo-card.split,.split-layout{grid-template-columns:1fr}.nav-bar{padding:16px 20px}}