.proof-strip{width:100%;max-width:900px;margin:10px auto 2px;background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-lg);box-shadow:var(--shadow-sm);overflow:hidden}.proof-strip-head{display:flex;align-items:center;justify-content:center;gap:9px;padding:13px 18px;border-bottom:1px solid var(--border);background:var(--bg-alt)}.proof-strip-head svg{width:14px;height:14px;color:var(--violet)}.proof-strip-head span{font-family:var(--font-mono);font-size:10.5px;letter-spacing:.18em;text-transform:uppercase;color:var(--violet-deep)}.proof-strip-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(148px,1fr))}.proof-stat{padding:14px 18px;border-right:1px solid var(--border);text-align:center}.proof-stat:last-child{border-right:none}.proof-stat-value{display:flex;align-items:baseline;justify-content:center;gap:5px;font-family:var(--font-display);font-size:30px;font-weight:600;letter-spacing:-.03em;line-height:1;color:var(--violet)}.proof-stat-unit{font-family:var(--font-mono);font-size:13px;font-weight:400;letter-spacing:.02em;color:var(--violet-deep)}.proof-stat-label{margin-top:11px;font-size:13.5px;font-weight:600;line-height:1.4;color:var(--text)}.proof-stat-method{margin-top:5px;font-family:var(--font-mono);font-size:10px;letter-spacing:.1em;text-transform:uppercase;color:var(--dim)}@media(max-width:640px){.proof-strip-grid{grid-template-columns:repeat(2,1fr)}.proof-stat:nth-child(2n){border-right:none}}.demo-stage{position:relative;aspect-ratio:16 / 9;background:var(--bg-alt);border:1px solid var(--border);border-radius:var(--radius-lg);box-shadow:var(--shadow-md);overflow:hidden;display:flex;align-items:center;justify-content:center}.demo-stage-body{text-align:center;padding:32px;max-width:440px}.demo-stage-icon{display:inline-flex;align-items:center;justify-content:center;width:56px;height:56px;border-radius:var(--radius-circle);background:var(--violet-mid);border:1px solid var(--violet-border);color:var(--violet)}.demo-stage-title{margin-top:18px;font-family:var(--font-display);font-size:20px;font-weight:600;letter-spacing:-.01em;color:var(--text)}.demo-stage-desc{margin:8px 0 0;font-size:14.5px;line-height:1.55;color:var(--muted)}.demo-stage-meta{margin-top:20px;display:inline-flex;align-items:center;gap:8px;padding:7px 13px;border:1px dashed var(--border-mid);border-radius:var(--radius-full)}.demo-stage-meta svg{width:13px;height:13px;color:var(--dim)}.demo-stage-meta span{font-family:var(--font-mono);font-size:10px;letter-spacing:.14em;text-transform:uppercase;color:var(--dim)}.walkthrough-foot{margin-top:14px;display:flex;flex-wrap:wrap;gap:12px;align-items:baseline;justify-content:space-between}.walkthrough-foot-caption{font-size:13.5px;color:var(--muted)}.walkthrough-foot-counter{font-family:var(--font-mono);font-size:10px;letter-spacing:.14em;text-transform:uppercase;color:var(--dim)}.included-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(320px,1fr));gap:24px}.engine-card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-lg);box-shadow:var(--shadow-sm);padding:28px}.engine-card-head{display:flex;align-items:center;gap:14px}.engine-icon{flex-shrink:0;width:46px;height:46px;border-radius:var(--radius-md);background:var(--violet-mid);border:1px solid var(--violet-border);color:var(--violet);display:inline-flex;align-items:center;justify-content:center}.engine-name{display:block;font-family:var(--font-display);font-size:21px;font-weight:600;letter-spacing:-.01em;color:var(--text)}.engine-kicker{display:block;margin-top:4px;color:var(--violet-deep)}.engine-body{margin:18px 0 0;font-size:15px;line-height:1.6;color:var(--muted)}.engine-points{list-style:none;margin:18px 0 0;padding:0;display:flex;flex-direction:column;gap:10px}.engine-point{display:flex;gap:10px;align-items:flex-start;font-size:13.5px;line-height:1.5;color:var(--text)}.engine-point svg{flex-shrink:0;width:16px;height:16px;color:var(--violet);margin-top:2px}.included-banner{margin-top:20px;background:linear-gradient(135deg,var(--violet) 0%,var(--violet-deep) 100%);border-radius:var(--radius-lg);padding:22px 26px;display:flex;flex-wrap:wrap;gap:16px;align-items:center;justify-content:space-between;box-shadow:0 6px 18px #5546e047}.included-banner-copy{font-family:var(--font-display);font-size:17px;font-weight:600;line-height:1.45;color:#fff}.included-banner-tag{font-family:var(--font-mono);font-size:11px;letter-spacing:.18em;text-transform:uppercase;color:#ffffffd1}.final-cta-logo{display:block;width:50%;max-width:300px;margin:36px auto 0;opacity:.55}[data-theme=dark] .final-cta-logo{filter:brightness(0) invert(1)}