.r4-landing{--bg: var(--dash-bg-primary, #f4f2ea);--bg-2: var(--dash-bg-secondary, #efede3);--surface: rgba(255, 255, 255, .65);--surface-strong: rgba(255, 255, 255, .85);--glass-stroke: rgba(255, 255, 255, .7);--card: #ffffff;--topbar-bg: rgba(255, 255, 255, .55);--grid-line: rgba(11, 11, 20, .04);--line: var(--dash-border-subtle, rgba(11, 11, 20, .08));--line-2: var(--dash-border-default, rgba(11, 11, 20, .14));--ink: var(--dash-text-primary, #0b0b14);--ink-2: var(--dash-text-secondary, #2a2a38);--muted: var(--dash-text-tertiary, #5c5c68);--muted-2: var(--dash-text-disabled, #8a8a95);--violet: var(--dash-accent-primary, #5b4fe5);--violet-2: var(--dash-accent-secondary, #7363ff);--violet-deep: var(--dash-accent-hover, #4a3cd6);--violet-soft: var(--dash-accent-light, rgba(91, 79, 229, .1));--violet-glow: var(--dash-accent-glow, rgba(91, 79, 229, .5));--emerald: #10b981;--emerald-soft: rgba(16, 185, 129, .12);--rose: #e11d48;--amber: #d97706;--radius: 14px;font-family:Geist,system-ui,sans-serif;color:var(--ink);background:var(--bg);font-size:16px;line-height:1.55;-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility;position:relative;overflow-x:hidden;min-height:100vh}[data-theme=dark] .r4-landing{--surface: rgba(255, 255, 255, .045);--surface-strong: rgba(255, 255, 255, .08);--glass-stroke: rgba(255, 255, 255, .1);--card: rgba(255, 255, 255, .035);--topbar-bg: rgba(255, 255, 255, .05);--grid-line: rgba(255, 255, 255, .05)}.r4-landing *{box-sizing:border-box}.r4-landing:before,.r4-landing:after{content:"";position:fixed;pointer-events:none;z-index:0;animation:r4drift 28s ease-in-out infinite alternate}.r4-landing:before{top:-200px;left:50%;transform:translate(-50%);width:1200px;height:1200px;border-radius:50%;background:radial-gradient(closest-side,var(--violet-soft),transparent 70%)}.r4-landing:after{top:600px;right:-200px;width:900px;height:900px;border-radius:50%;background:radial-gradient(closest-side,var(--violet-soft),transparent 70%);animation-duration:34s;animation-delay:-8s;animation-name:r4drift2}@keyframes r4drift{0%{transform:translate(-50%) translateY(0) scale(1)}50%{transform:translate(-45%) translateY(60px) scale(1.06)}to{transform:translate(-55%) translateY(-40px) scale(.97)}}@keyframes r4drift2{0%{transform:translate(0) scale(1)}50%{transform:translate(-80px,50px) scale(1.08)}to{transform:translate(60px,-30px) scale(.95)}}.r4-landing .grain{position:fixed;top:0;right:0;bottom:0;left:0;pointer-events:none;z-index:1;opacity:.35;background-image:radial-gradient(rgba(11,11,20,.04) 1px,transparent 1px);background-size:3px 3px;mix-blend-mode:multiply}.r4-landing .scroll-progress{position:fixed;top:0;left:0;height:3px;background:linear-gradient(90deg,var(--violet-deep),var(--violet-2));z-index:9999;width:0%;box-shadow:0 0 12px var(--violet-glow);transition:width 80ms linear}.r4-landing .display,.r4-landing h1,.r4-landing h2,.r4-landing h3,.r4-landing h4{font-family:Bricolage Grotesque,serif;font-weight:600;letter-spacing:-.035em;line-height:1;margin:0}.r4-landing h2{font-size:64px}.r4-landing h3{font-size:32px}.r4-landing .mono{font-family:Geist Mono,monospace;font-feature-settings:"tnum";letter-spacing:.02em}.r4-landing .page{max-width:1280px;margin:0 auto;padding:0 24px;position:relative;z-index:2}.r4-landing section{padding:120px 0;border-bottom:1px solid var(--line);position:relative}.r4-landing section.compat-band{padding:50px 0!important}.r4-landing .eyebrow{display:inline-flex;align-items:center;gap:8px;font-family:Geist Mono,monospace;font-size:11.5px;letter-spacing:.18em;text-transform:uppercase;color:var(--muted)}.r4-landing .eyebrow:before{content:"";width:6px;height:6px;border-radius:50%;background:var(--violet);box-shadow:0 0 12px var(--violet-glow)}.r4-landing .glass{background:var(--surface);backdrop-filter:blur(20px) saturate(140%);-webkit-backdrop-filter:blur(20px) saturate(140%);border:1px solid var(--glass-stroke);border-radius:18px;box-shadow:0 1px #ffffffe6 inset,0 30px 60px -30px #0b0b142e,0 10px 30px -20px #0b0b141a}.r4-landing .glass-strong{background:var(--surface-strong);backdrop-filter:blur(24px) saturate(150%);-webkit-backdrop-filter:blur(24px) saturate(150%);border:1px solid var(--glass-stroke);border-radius:18px;box-shadow:0 1px #ffffffe6 inset,0 40px 80px -40px #0b0b1438,0 16px 40px -20px #0b0b141f}.r4-landing .topbar{position:sticky;top:16px;z-index:30;margin:16px auto 0;max-width:1232px;background:var(--topbar-bg);backdrop-filter:blur(22px) saturate(160%);-webkit-backdrop-filter:blur(22px) saturate(160%);border:1px solid var(--glass-stroke);border-radius:999px;box-shadow:0 1px #ffffffe6 inset,0 14px 40px -20px #0b0b1424;display:flex;align-items:center;justify-content:space-between;padding:10px 12px 10px 20px}.r4-landing .brand{display:flex;align-items:center;gap:0;font-family:Bricolage Grotesque,serif;font-weight:700;font-size:20px;letter-spacing:-.03em;color:var(--ink)}.r4-landing .brand .r4{display:inline-flex;align-items:center;justify-content:center;background:var(--violet);color:#fff;border-radius:8px;padding:4px 10px;font-family:Bricolage Grotesque,serif;font-weight:700;font-size:18px;letter-spacing:-.04em;margin-right:10px;box-shadow:0 6px 18px -6px var(--violet-glow)}.r4-landing .brand .wm{font-family:Bricolage Grotesque,serif;font-weight:600;letter-spacing:-.03em}.r4-landing .brand-logo{width:34px;height:34px;-o-object-fit:contain;object-fit:contain;margin-right:5px;display:inline-block}.r4-landing .nav{display:flex;gap:26px;align-items:center}.r4-landing .nav a{color:var(--ink-2);text-decoration:none;font-size:13.5px;font-weight:500;position:relative}.r4-landing .nav a:not(.btn):after{content:"";position:absolute;left:0;bottom:-4px;width:0;height:1.5px;background:var(--violet);transition:width .25s ease}.r4-landing .nav a:not(.btn):hover{color:var(--violet)}.r4-landing .nav a:not(.btn):hover:after{width:100%}.r4-landing .nav a.btn-primary,.r4-landing .nav a.btn-primary:hover,.r4-landing .nav a.btn-ink,.r4-landing .nav a.btn-ink:hover{color:#fff}.r4-landing .nav .sep{width:1px;height:18px;background:var(--line-2)}.r4-landing .btn{display:inline-flex;align-items:center;gap:8px;padding:10px 18px;border-radius:999px;font-family:Geist,sans-serif;font-weight:600;font-size:13.5px;text-decoration:none;border:1px solid transparent;cursor:pointer;transition:transform .15s,background .15s,border-color .15s,box-shadow .2s}.r4-landing .btn-ghost{color:var(--ink);background:transparent}.r4-landing .btn-ghost:hover{background:#7f7f7f1f}.r4-landing .btn-outline{color:var(--ink);border-color:var(--line-2);background:var(--surface);-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px)}.r4-landing .btn-outline:hover{border-color:var(--ink)}.r4-landing .btn-primary{background:var(--violet);color:#fff;box-shadow:0 1px #ffffff4d inset,0 12px 28px -10px var(--violet-glow)}.r4-landing .btn-primary:hover{background:var(--violet-2);transform:translateY(-1px);box-shadow:0 1px #ffffff4d inset,0 18px 36px -10px var(--violet-glow)}.r4-landing .btn-ink{background:var(--ink);color:#fff}.r4-landing .btn-ink:hover{background:#000}[data-theme=dark] .r4-landing .btn-ink{background:var(--violet)}[data-theme=dark] .r4-landing .btn-ink:hover{background:var(--violet-deep)}.r4-landing .magnetic{position:relative;transition:box-shadow .25s ease,filter .25s ease}.r4-landing .btn-primary.magnetic:before{content:"";position:absolute;top:0;right:0;bottom:0;left:0;border-radius:999px;pointer-events:none;background:radial-gradient(140px circle at var(--mx, 50%) var(--my, 50%),rgba(255,255,255,.45),transparent 55%);opacity:0;transition:opacity .25s}.r4-landing .btn-primary.magnetic:hover:before{opacity:1}.r4-landing .btn-primary.magnetic:hover{transform:none;filter:brightness(1.04);box-shadow:0 1px #ffffff59 inset,0 18px 40px -12px var(--violet-glow),0 0 0 1px var(--violet-glow)}.r4-landing .chip{display:inline-flex;align-items:center;gap:8px;padding:7px 14px;border-radius:999px;background:var(--surface);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);border:1px solid var(--glass-stroke);box-shadow:0 1px #fffc inset,0 4px 12px -6px #0b0b1414;font-size:12.5px;color:var(--ink);font-family:Geist Mono,monospace;letter-spacing:.04em}.r4-landing .chip .dot{width:7px;height:7px;border-radius:50%;background:var(--emerald);box-shadow:0 0 0 4px #10b98126;animation:r4pulse 2s infinite}@keyframes r4pulse{0%,to{box-shadow:0 0 0 4px #10b98126}50%{box-shadow:0 0 0 7px #10b98100}}.r4-landing .hero{padding:90px 0 80px;text-align:center;position:relative}.r4-landing .hero:before{content:"";position:absolute;top:0;right:0;bottom:0;left:0;background-image:linear-gradient(var(--grid-line) 1px,transparent 1px),linear-gradient(90deg,var(--grid-line) 1px,transparent 1px);background-size:64px 64px;mask-image:radial-gradient(ellipse 70% 60% at 50% 30%,#000 30%,transparent 80%);-webkit-mask-image:radial-gradient(ellipse 70% 60% at 50% 30%,#000 30%,transparent 80%);pointer-events:none}.r4-landing .hero>*{position:relative}.r4-landing .hero h1{font-family:Bricolage Grotesque,serif;font-weight:600;font-size:132px;letter-spacing:-.05em;line-height:.92;margin:32px auto 0;max-width:1100px}.r4-landing .hero h1 em{font-style:italic;font-family:Bricolage Grotesque,serif;font-weight:500;color:var(--violet)}.r4-landing .hero-title .line{display:block;overflow:hidden;padding-bottom:.1em;margin-bottom:-.1em}.r4-landing .hero-title .line-inner{display:block;transform:translateY(115%);filter:blur(14px);opacity:0;animation:r4heroLine 1.1s cubic-bezier(.2,.75,.25,1) forwards}.r4-landing .hero-title .line:nth-child(1) .line-inner{animation-delay:.15s}.r4-landing .hero-title .line:nth-child(2) .line-inner{animation-delay:.45s}@keyframes r4heroLine{to{transform:translateY(0);filter:blur(0);opacity:1}}@media (prefers-reduced-motion: reduce){.r4-landing .hero-title .line-inner{animation:none;transform:none;filter:none;opacity:1}}.r4-landing .hero-sub{margin:32px auto 0;font-size:19px;color:var(--ink-2);max-width:640px;line-height:1.5}.r4-landing .cap-bar{margin:36px auto 0;display:inline-flex;flex-wrap:wrap;gap:8px;justify-content:center;max-width:880px}.r4-landing .cap-bar .chip{padding:8px 14px;font-size:12px}.r4-landing .cap-bar .chip svg{width:14px;height:14px;color:var(--emerald)}.r4-landing .hero-cta{margin:36px auto 0;display:flex;gap:12px;justify-content:center}.r4-landing 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14px;border-radius:12px;background:#ffffffd9;-webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);border:1px solid rgba(255,255,255,.7);box-shadow:0 20px 50px -20px #0b0b1440;font-family:Geist Mono,monospace;font-size:12px;color:#0b0b14;animation:r4floaty 6s ease-in-out infinite}.r4-landing .hero-shot .float .k{color:var(--muted);text-transform:uppercase;font-size:10px;letter-spacing:.12em}.r4-landing .hero-shot .float .v{font-weight:600}.r4-landing .hero-shot .float .pulse{width:8px;height:8px;border-radius:50%;background:var(--emerald);box-shadow:0 0 0 4px #10b98140;animation:r4pulse 1.6s infinite}@keyframes r4floaty{0%,to{transform:translateY(0)}50%{transform:translateY(-10px)}}.r4-landing .term-mock{background:linear-gradient(180deg,#14141d,#0f0f18);color:#e5e5ee;padding:22px 24px;min-height:440px;font-family:Geist Mono,monospace;font-size:12.5px;border-radius:0 0 16px 16px;position:relative;overflow:hidden}.r4-landing .term-mock:before{content:"";position:absolute;top:0;right:0;bottom:0;left:0;pointer-events:none;background:radial-gradient(ellipse at 30% 0%,rgba(91,79,229,.18),transparent 50%),radial-gradient(ellipse at 80% 100%,rgba(16,185,129,.12),transparent 50%)}.r4-landing .term-mock-head{display:flex;justify-content:space-between;align-items:center;padding-bottom:14px;border-bottom:1px solid rgba(255,255,255,.06);margin-bottom:16px;position:relative}.r4-landing .term-mock-head .tabs{display:flex;gap:6px;font-size:11px;color:#889}.r4-landing .term-mock-head .tabs span{padding:4px 10px;border-radius:6px;cursor:default}.r4-landing .term-mock-head .tabs span.active{background:#5b4fe52e;color:#b5aefb}.r4-landing .term-mock-head .live{display:inline-flex;align-items:center;gap:6px;font-size:10.5px;color:var(--emerald);letter-spacing:.14em;text-transform:uppercase}.r4-landing .term-mock-head .live .d{width:7px;height:7px;border-radius:50%;background:var(--emerald);animation:r4pulse 1.6s infinite}.r4-landing .term-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px;position:relative}.r4-landing .term-side{background:#ffffff08;border:1px solid rgba(255,255,255,.05);border-radius:10px;padding:14px}.r4-landing .term-side h4{font-size:10px;letter-spacing:.16em;color:#889;text-transform:uppercase;margin-bottom:10px;font-weight:500}.r4-landing .term-side .row{display:grid;grid-template-columns:auto 1fr auto auto;gap:10px;align-items:center;padding:7px 0;border-bottom:1px dashed rgba(255,255,255,.05);font-size:11.5px}.r4-landing .term-side .row:last-child{border-bottom:none}.r4-landing .term-side .row .tag{width:24px;height:18px;border-radius:4px;font-size:9px;display:inline-flex;align-items:center;justify-content:center;font-weight:600}.r4-landing .tag.master{background:var(--violet);color:#fff}.r4-landing .tag.slave{background:#ffffff14;color:#b5aefb}.r4-landing .term-side .row .name{color:#e5e5ee}.r4-landing .term-side .row .bal{color:#889;font-size:10.5px}.r4-landing .term-side .row .st{width:8px;height:8px;border-radius:50%;background:var(--emerald);box-shadow:0 0 6px var(--emerald)}.r4-landing .term-side .row .st.off{background:#3a3a4a;box-shadow:none}.r4-landing .term-feed{background:#ffffff08;border:1px solid rgba(255,255,255,.05);border-radius:10px;padding:14px;min-height:220px}.r4-landing .term-feed h4{font-size:10px;letter-spacing:.16em;color:#889;text-transform:uppercase;margin-bottom:12px;font-weight:500}.r4-landing .feed-line{display:flex;gap:12px;padding:5px 0;font-size:11.5px;opacity:0;transform:translateY(8px);animation:r4feedIn .4s forwards}@keyframes r4feedIn{to{opacity:1;transform:translateY(0)}}.r4-landing .feed-line .ts{color:#667}.r4-landing .feed-line .arr{color:var(--violet)}.r4-landing .feed-line .ok{color:var(--emerald)}.r4-landing .feed-line .warn{color:var(--amber)}.r4-landing .feed-line .body{color:#c9c9d4}.r4-landing .usp-card{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:start;padding:36px}.r4-landing .usp-card h2{font-size:56px}.r4-landing .usp-card .lead{font-size:17px;color:var(--ink-2);margin:20px 0 28px;line-height:1.55}.r4-landing .usp-points{list-style:none;padding:0;margin:0;display:flex;flex-direction:column;gap:18px}.r4-landing .usp-points li{display:grid;grid-template-columns:44px 1fr;gap:14px;align-items:start}.r4-landing .usp-points .ic{width:44px;height:44px;border-radius:12px;background:var(--violet-soft);color:var(--violet);display:inline-flex;align-items:center;justify-content:center}.r4-landing .usp-points .ic svg{width:22px;height:22px}.r4-landing .usp-points .t{font-weight:600;font-size:15.5px;margin-bottom:4px}.r4-landing .usp-points .d{font-size:13.5px;color:var(--muted);line-height:1.5}.r4-landing .usp-graphic{position:relative}.r4-landing .machine{background:var(--card);border-radius:18px;padding:18px;border:1px solid var(--line);box-shadow:0 30px 60px -30px #0b0b142e}.r4-landing .machine-bar{display:flex;align-items:center;gap:10px;font-size:12.5px;color:var(--ink-2);font-family:Geist Mono,monospace;padding-bottom:12px;border-bottom:1px dashed var(--line);margin-bottom:12px}.r4-landing .machine-bar svg{width:16px;height:16px}.r4-landing .machine-bar .name{font-weight:600;color:var(--ink)}.r4-landing .machine-bar .dot{margin-left:auto;width:8px;height:8px;border-radius:50%;background:var(--emerald);box-shadow:0 0 8px var(--emerald)}.r4-landing .machine-rhino{background:linear-gradient(135deg,var(--violet),var(--violet-2));color:#fff;padding:14px 16px;border-radius:12px;display:flex;justify-content:space-between;align-items:center;box-shadow:0 18px 40px -14px var(--violet-glow)}.r4-landing .machine-rhino .lab{font-size:10px;letter-spacing:.18em;text-transform:uppercase;opacity:.7}.r4-landing .machine-rhino .nm{font-family:Bricolage Grotesque,serif;font-weight:700;font-size:20px}.r4-landing .machine-rhino:after{content:"R4";background:#ffffff2e;padding:4px 10px;border-radius:6px;font-weight:700;font-family:Bricolage Grotesque,serif}.r4-landing .terminals{margin-top:14px}.r4-landing .t-lbl{font-size:10.5px;letter-spacing:.18em;text-transform:uppercase;color:var(--muted);margin-bottom:8px;font-family:Geist Mono,monospace}.r4-landing .t-row{display:flex;gap:8px}.r4-landing .term-chip{flex:1;padding:10px;border-radius:10px;background:#0b0b140a;border:1px solid var(--line);text-align:center;font-family:Geist Mono,monospace;font-size:12px;font-weight:600;transition:transform .2s,box-shadow .2s;color:var(--ink)}.r4-landing .term-chip:hover{transform:translateY(-2px);box-shadow:0 8px 20px -8px #0b0b1426}[data-theme=dark] .r4-landing .term-chip{background:#ffffff0d}.r4-landing .machine-foot{display:flex;align-items:center;gap:10px;margin-top:14px;padding-top:12px;border-top:1px dashed var(--line);font-size:12px;color:var(--ink-2)}.r4-landing .machine-foot svg{width:14px;height:14px;color:var(--violet)}.r4-landing 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