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56px;--radius-card: var(--radius-md);--radius-control: var(--radius-sm);--radius-surface: var(--radius-lg);--header-bg: rgba(255, 255, 255, .82);--header-bg-scrolled: rgba(255, 255, 255, .96);--header-border: transparent;--header-border-scrolled: var(--color-border);--button-height: 48px;--button-height-sm: 42px;--button-padding-inline: 22px;--button-radius: var(--radius-pill);--button-font-size: var(--text-body);--button-transition: transform var(--duration-slow) var(--ease-out), background-color var(--duration-base) var(--ease-in-out), border-color var(--duration-base) var(--ease-in-out), color var(--duration-base) var(--ease-in-out), box-shadow var(--duration-slow) var(--ease-out);--input-padding: 13px 15px;--input-border: var(--primitive-line);--input-border-hover: var(--primitive-line-strong);--input-border-focus: var(--primitive-red);--input-radius: var(--radius-sm);--input-bg: var(--primitive-white);--input-ring: 0 0 0 3px rgba(217, 37, 42, .13);--card-bg: 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a{position:relative;color:var(--color-text-secondary);text-decoration:none;font-size:var(--text-body);font-weight:600;white-space:nowrap;transition:color var(--duration-fast) var(--ease-in-out)}.site-nav a:after,.footer-links a:after{position:absolute;inset:-12px -9px;content:""}.site-nav a:hover,.footer-links a:hover{color:var(--color-brand)}.header-cta{margin-left:6px}.menu-toggle{display:none;width:44px;height:44px;padding:11px 8px;border:0;background:transparent;cursor:pointer}.menu-toggle span{display:block;width:24px;height:2px;margin:5px auto;background:var(--color-text);transition:transform var(--duration-slow) var(--ease-out)}.menu-toggle[aria-expanded=true] span:first-child{transform:translateY(3.5px) rotate(45deg)}.menu-toggle[aria-expanded=true] span:last-child{transform:translateY(-3.5px) rotate(-45deg)}.hero-field{position:absolute;inset:0;z-index:0;pointer-events:none;background:radial-gradient(62% 48% at 18% 14%,rgba(168,217,0,.12),transparent 70%),radial-gradient(58% 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58px);padding-bottom:34px;overflow:hidden}.hero-inner{position:relative;z-index:1;flex:1;display:grid;grid-template-columns:repeat(12,minmax(0,1fr));column-gap:26px;row-gap:var(--hero-row-gap);align-content:center}.hero-head{grid-column:1 / 7;grid-row:1;align-self:start}.hero-brand{grid-column:7 / 13;grid-row:1;align-self:start;justify-self:end;width:100%;max-width:var(--hero-lockup-max-width);margin:0}.hero-lockup{display:block;width:100%;height:auto;aspect-ratio:2797 / 988;object-fit:contain}.hero-brand figcaption{margin-top:16px;color:var(--color-text-muted);text-align:left}.hero-meta{grid-column:1 / 7;grid-row:2;align-self:end}.hero-lede{margin-bottom:26px;color:var(--color-text-secondary);font-size:var(--text-lead);line-height:1.7}.hero-actions{display:flex;flex-wrap:wrap;align-items:center;gap:22px}.hero-descriptor{grid-column:7 / 13;grid-row:2;align-self:end;justify-self:end;max-width:24ch;text-align:right;line-height:1.85;color:var(--color-text-muted)}.highlight-strip{position:relative;z-index:1;display:grid;grid-template-columns:repeat(3,minmax(0,1fr)) minmax(0,1.1fr);align-items:end;gap:30px;margin-top:72px;padding-top:26px;border-top:1px solid var(--color-border)}.highlight-strip>div{display:flex;flex-direction:column;gap:6px}.highlight-strip strong{font-family:var(--font-display);font-size:2.1rem;font-weight:800;line-height:1;letter-spacing:-.04em}.highlight-strip strong i{color:var(--color-brand);font-style:normal}.highlight-note{margin:0;color:var(--color-text-muted);font-family:var(--font-mono);font-size:.66rem;font-weight:500;letter-spacing:.04em}.hero-rail{position:relative;z-index:2;display:grid;grid-template-columns:auto minmax(140px,1fr) auto;align-items:center;gap:26px;padding-top:20px}.rail-label,.rail-counter{font-family:var(--font-mono);font-size:var(--text-micro);font-weight:500;letter-spacing:.14em;text-transform:uppercase;color:var(--color-text-muted)}.rail-counter{font-size:1rem;font-weight:600;color:var(--color-text);font-variant-numeric:tabular-nums}.rail-track{position:relative;display:flex;align-items:center;justify-content:space-between;height:16px;border-top:1px solid var(--color-border);color:var(--color-text-muted);font-family:var(--font-mono);font-size:.8rem;line-height:1}.rail-plus{position:relative;top:-1px}.chapter{position:relative;padding:var(--space-section) 0}.chapter-intro{display:grid;grid-template-columns:minmax(0,1fr) minmax(300px,.78fr);gap:clamp(30px,5vw,80px);align-items:end;margin-bottom:64px}.chapter-intro h2{max-width:16ch}.chapter-intro p{max-width:44ch;color:var(--color-text-secondary);font-size:var(--text-lead);line-height:1.72}.chapter--capabilities{background:var(--color-page)}.chapter-head{position:relative;display:flex;flex-wrap:wrap;align-items:flex-start;justify-content:space-between;gap:18px 40px;margin-bottom:34px}.chapter-word{font-size:clamp(2.6rem,10.2vw,9.2rem);line-height:.86;letter-spacing:-.055em;font-weight:800;text-transform:uppercase;text-wrap:nowrap}.chapter-count{display:inline-flex;align-items:center;gap:14px;padding-top:12px;font-family:var(--font-mono);font-size:clamp(1.6rem,3.2vw,2.6rem);font-weight:400;line-height:1;color:var(--color-text);font-variant-numeric:tabular-nums}.chapter-count .icon{width:.8em;height:.8em;stroke-width:1.2}.chapter-lead{max-width:62ch;margin-bottom:56px;color:var(--color-text-secondary);font-size:clamp(1.05rem,1.5vw,1.35rem);line-height:1.6;text-wrap:pretty}.chapter-lead em{color:var(--color-brand);font-style:normal}.chapter--approach .chapter-lead{color:var(--color-text-inverse-soft)}.chapter-descriptor{max-width:34ch;margin:-8px 0 30px auto;text-align:right;line-height:1.8;color:var(--color-text-muted)}.showcase{display:grid;grid-template-columns:repeat(12,minmax(0,1fr));gap:28px}.showcase-item{display:flex;flex-direction:column;gap:20px;grid-column:span 6}.showcase-media{position:relative;display:grid;place-items:center;min-height:340px;padding:34px;overflow:hidden;border:1px solid var(--color-line-strong);border-radius:15px;background:var(--primitive-white);box-shadow:var(--shadow-sm);transform-style:preserve-3d;transition:transform var(--duration-slow) var(--ease-out),box-shadow var(--duration-slow) var(--ease-out)}.showcase-item:hover .showcase-media{transform:translateY(-6px);box-shadow:var(--shadow-md)}.showcase-media:after{position:absolute;inset:0;background:radial-gradient(120% 90% at 50% 120%,rgba(217,37,42,.06),transparent 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i:first-child{background:var(--color-brand)}.mock-body{padding:14px}.mock-hero{display:block;height:52px;border-radius:6px;background:linear-gradient(100deg,var(--color-brand) 0%,#ef6a6e 48%,var(--color-brand-soft) 100%)}.mock-row{display:block;height:8px;margin-top:10px;border-radius:4px;background:var(--color-line)}.mock-row--short{width:58%}.mock-phone{position:absolute;z-index:1;right:7%;bottom:10%;width:26%;padding:10px 8px 14px;border:1px solid var(--color-line-strong);border-radius:14px;background:var(--primitive-white);box-shadow:var(--shadow-md);transform:rotate(4deg)}.mock-notch{display:block;width:42%;height:4px;margin:0 auto 12px;border-radius:3px;background:var(--color-line)}.mock-block{display:block;height:30px;margin-bottom:8px;border-radius:6px;background:var(--color-surface)}.mock-block--short{height:16px;background:var(--color-brand-soft)}.showcase-media--systems{background:var(--color-surface)}.mock-diagram{position:relative;z-index:1;width:76%;height:auto}.mock-diagram path{fill:none;stroke:#aab3a4;stroke-width:2}.mock-diagram circle{fill:var(--primitive-white);stroke:var(--color-brand);stroke-width:2.5}.mock-diagram rect{fill:var(--primitive-white);stroke:#aab3a4;stroke-width:2}.mock-meters{position:relative;z-index:1;display:grid;gap:9px;width:76%;margin-top:22px}.mock-meters span{display:block;height:7px;border-radius:4px;background:#dfe4da}.mock-meters span:after{display:block;width:var(--w);height:7px;border-radius:4px;background:var(--color-brand);content:""}.showcase-media--brand{background:var(--color-surface)}.showcase-media--brand img{position:relative;z-index:1;width:60%;height:auto}.mock-pulse{position:absolute;z-index:0;inset:auto 8% 14%;width:84%;height:46px}.mock-pulse path{fill:none;stroke:var(--color-accent);stroke-width:2;stroke-linecap:round;stroke-linejoin:round;opacity:.85}.chapter--systems{background:var(--color-surface-warm);border-block:1px solid var(--color-border)}.systems-stage{display:grid;grid-template-columns:minmax(0,1.5fr) minmax(280px,.5fr);gap:clamp(36px,5vw,72px);align-items:start}.systems-figure{position:relative}.systems-window{overflow:hidden;border:1px solid var(--ui-border-strong);border-radius:var(--radius-lg);background:var(--ui-surface);box-shadow:0 34px 70px #3c483029}.window-bar{display:flex;align-items:center;gap:14px;padding:12px 16px;border-bottom:1px solid var(--ui-border);background:var(--ui-surface-soft)}.window-dots{display:flex;gap:5px}.window-dots i{width:7px;height:7px;border-radius:50%;background:#d2d6cf}.window-dots 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