:root{--mv4-ease:cubic-bezier(.2,.7,.2,1);--mv4-ease-out:cubic-bezier(.16,1,.3,1);--mv4-esp:#15110c;--mv4-esp-2:#1d1812;--mv4-esp-line:rgba(255,247,233,.09);--mv4-esp-ink:#f7f1e6;--mv4-esp-ink2:#d8cdba;--mv4-esp-ink3:#a99b84;--mv4-esp-muted:#7c6f5c;--mv4-esp-accent:rgb(var(--brand-400));--mv4-esp-memory:rgb(var(--brand-300));--mv4-amber:#fbbf24;--mv4-amber-weak:rgba(251,191,36,.14)}.mv4-wrap{max-width:1200px;margin:0 auto;padding:0 28px}.mv4-section{padding:clamp(80px,10vw,140px) 0;position:relative}.mv4-disp{font-family:var(--font-display),"Bricolage Grotesque",sans-serif;font-weight:700;letter-spacing:-.025em;line-height:1.02;text-wrap:balance}.mv4-sec{font-size:clamp(34px,4.6vw,58px);margin:18px 0;max-width:17ch;color:var(--ink)}.mv4-lead{font-size:clamp(17px,1.55vw,20px);color:var(--ink-3);max-width:54ch;margin:0;text-wrap:pretty}.mv4-eyebrow{display:inline-flex;align-items:center;gap:10px;font-family:var(--font-mono),"JetBrains Mono",monospace;font-size:11px;letter-spacing:.22em;text-transform:uppercase;color:var(--accent);white-space:nowrap}.mv4-eyebrow:before{content:"";width:22px;height:1.5px;background:var(--accent);opacity:.6}.mv4-mono{font-family:var(--font-mono),"JetBrains Mono",monospace}.mv4-logo{display:inline-grid;place-items:center;background:var(--surface-overlay);border:1px solid var(--hairline);box-shadow:var(--shadow-sm);overflow:hidden;flex:none}.mv4-logo svg,.mv4-plainlogo svg{display:block}.mv4-plainlogo{display:inline-grid;place-items:center;flex:none}.mv4-progress{position:fixed;top:0;left:0;right:0;height:2.5px;z-index:90;pointer-events:none}.mv4-progress i{display:block;height:100%;width:0;background:linear-gradient(90deg,var(--accent),var(--memory))}.mv4-btn{display:inline-flex;align-items:center;justify-content:center;gap:9px;height:50px;padding:0 22px;border-radius:14px;font-weight:600;font-size:15px;border:1px solid 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a:hover{color:var(--ink);background:var(--surface-sunken)}.mv4-navr{margin-left:auto;display:flex;align-items:center;gap:12px}.mv4-hero{min-height:calc(100vh - 72px);justify-content:center;position:relative;padding:30px 0 90px}.mv4-hero,.mv4-hero-stage{display:flex;flex-direction:column}.mv4-hero-stage{align-items:center;text-align:center}.mv4-hero h1{font-size:clamp(34px,4.5vw,64px);font-weight:800;margin:20px 0 12px;line-height:1.06;color:var(--ink)}.mv4-hero p.mv4-sub{font-size:clamp(17px,1.6vw,20px);color:var(--ink-3);max-width:46ch;margin:0 0 36px;text-wrap:pretty}.mv4js .mv4-late{opacity:0;transform:translateY(18px);transition:opacity .8s var(--mv4-ease-out),transform .8s var(--mv4-ease-out)}.mv4js .mv4-hero.go .mv4-late{opacity:1;transform:none}.mv4-dynw{overflow:hidden;height:1.12em;vertical-align:bottom;white-space:nowrap;text-align:left}.mv4-dyni,.mv4-dynw{display:inline-block}.mv4-dyni{color:var(--accent);will-change:transform,opacity}.mv4-theater{display:grid;grid-template-columns:1fr 92px 1fr;align-items:center;gap:0;width:min(1040px,100%);position:relative;text-align:left}.mv4-tcard{background:var(--surface-overlay);border:1px solid var(--border);border-radius:18px;box-shadow:var(--shadow-lg);overflow:hidden;min-height:236px}.mv4-thead{display:flex;align-items:center;gap:9px;padding:13px 17px;border-bottom:1px solid var(--hairline);background:var(--surface-raised)}.mv4-thead .mv4-nm{font-weight:700;font-size:13.5px;white-space:nowrap;color:var(--ink)}.mv4-thead .mv4-tm{margin-left:auto;font-family:var(--font-mono),monospace;font-size:10px;color:var(--ink-muted);white-space:nowrap}.mv4-tbody{padding:17px;min-height:166px}.mv4-tmsg{display:flex;gap:11px}.mv4-tmsg 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scale(.97);transition:opacity .45s var(--mv4-ease-out),transform .45s var(--mv4-ease-out)}.mv4-memsave2.show{opacity:1;transform:none}.mv4-memsave2 svg{width:15px;height:15px;color:var(--memory);flex:none}.mv4-memsave2 .mv4-mono5{font-family:var(--font-mono),monospace;font-size:10px;color:var(--accent);margin-left:auto;white-space:nowrap}.mv4-recall2{border-left:3px solid var(--memory);border-radius:10px;background:var(--surface-raised);padding:12px 15px;margin-top:12px;opacity:0;transform:translateY(8px);transition:opacity .45s var(--mv4-ease-out),transform .45s var(--mv4-ease-out)}.mv4-recall2.show{opacity:1;transform:none}.mv4-recall2 .mv4-rt{font-size:13.5px;color:var(--ink-2);min-height:1.4em}.mv4-provrow{display:inline-flex;align-items:center;gap:7px;font-family:var(--font-mono),monospace;font-size:10px;color:var(--ink-muted);margin-top:9px;opacity:0;transition:opacity .4s;flex-wrap:wrap}.mv4-provrow.show{opacity:1}.mv4-pchip{display:inline-flex;align-items:center;gap:5px;background:var(--surface-sunken);padding:3px 9px;border-radius:6px;color:var(--ink-3)}.mv4-mav{display:inline-grid;place-items:center;width:15px;height:15px;border-radius:5px;color:#fff;font-weight:700;font-size:7.5px;font-family:Inter,sans-serif;flex:none}.mv4-thread{position:relative;height:2px;align-self:center}.mv4-thread:before{content:"";position:absolute;left:-6px;right:-6px;top:0;height:2px;background:repeating-linear-gradient(90deg,var(--border-strong) 0 6px,transparent 6px 13px)}.mv4-midnode{position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);width:42px;height:42px;border-radius:50%;background:var(--surface-overlay);border:1px solid var(--memory);box-shadow:0 0 0 5px rgba(13,148,136,.07),0 0 22px rgba(13,148,136,.28),var(--shadow-md);display:grid;place-items:center;z-index:2}.mv4-midnode svg{width:22px;height:22px}.mv4-midlab{position:absolute;left:50%;top:calc(50% + 30px);transform:translateX(-50%);font-family:var(--font-mono),monospace;font-size:8.5px;letter-spacing:.16em;text-transform:uppercase;color:var(--accent);white-space:nowrap}.mv4-tdot{position:absolute;top:-4px;left:0;width:10px;height:10px;border-radius:50%;background:var(--memory);box-shadow:0 0 14px 3px rgba(13,148,136,.5);opacity:0;z-index:1}.mv4-tdot.go{animation:mv4-tdotgo 1.2s var(--mv4-ease) forwards}@keyframes mv4-tdotgo{0%{left:-4%;opacity:0}12%{opacity:1}88%{opacity:1}to{left:100%;opacity:0}}.mv4-epi{margin:24px 0 30px;font-family:var(--font-mono),monospace;font-size:11px;color:var(--ink-3);display:flex;gap:8px;align-items:center;flex-wrap:wrap;justify-content:center}.mv4-epi .mv4-ep{width:26px;height:3px;border-radius:99px;background:var(--surface-sunken);overflow:hidden}.mv4-epi .mv4-ep i{display:block;height:100%;width:0;background:var(--accent)}.mv4-epi 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.mv4-name{font-size:14px;font-weight:600;color:var(--ink-2);white-space:nowrap}.mv4-knowpin{position:relative;height:340vh}.mv4-knowstick{position:sticky;top:0;height:100vh;display:flex;align-items:center;overflow:hidden}.mv4-knowgrid{display:grid;grid-template-columns:.92fr 1.08fr;gap:clamp(30px,5vw,70px);align-items:center;width:100%}.mv4-kchapters{display:flex;flex-direction:column;gap:6px;margin-top:30px}.mv4-kch{padding:16px 18px;border-radius:14px;border:1px solid transparent;transition:background .35s,border-color .35s;cursor:default}.mv4-kch .mv4-kt{font-weight:700;font-size:17px;display:flex;align-items:center;gap:11px;color:var(--ink-muted);transition:color .35s}.mv4-kch .mv4-kn{width:24px;height:24px;border-radius:8px;border:1.5px solid var(--border-strong);display:grid;place-items:center;font-family:var(--font-mono),monospace;font-size:10.5px;font-weight:600;color:var(--ink-muted);transition:all .35s;flex:none}.mv4-kch .mv4-kd{font-size:14px;color:var(--ink-3);margin:7px 0 0 35px}.mv4js .mv4-kch .mv4-kd{max-height:0;opacity:0;overflow:hidden;transition:max-height .45s var(--mv4-ease),opacity .45s;text-wrap:pretty}.mv4-kch.on{background:var(--surface-raised);border-color:var(--hairline);box-shadow:var(--shadow-sm)}.mv4-kch.on .mv4-kt{color:var(--ink)}.mv4-kch.on .mv4-kn{background:var(--accent);border-color:var(--accent);color:var(--accent-ink)}.mv4-kch.on .mv4-kd{max-height:90px;opacity:1}.mv4-kprog{height:3px;border-radius:99px;background:var(--surface-sunken);margin-top:22px;overflow:hidden;max-width:280px}.mv4-kprog i{display:block;height:100%;width:0;background:var(--accent);border-radius:99px}.mv4-kstage{display:flex;flex-direction:column;gap:22px}.mv4-scene{display:grid;place-items:center}.mv4js .mv4-kstage{display:block;position:relative;height:min(560px,72vh);min-height:420px}.mv4js .mv4-scene{position:absolute;inset:0;opacity:0;transform:translateY(44px) scale(.97);transition:opacity .55s var(--mv4-ease-out),transform .55s var(--mv4-ease-out);pointer-events:none}.mv4-scene.on{opacity:1;transform:none;pointer-events:auto}.mv4-scene.off{opacity:0;transform:translateY(-44px) scale(.97)}.mv4-uicard{width:min(470px,92%);background:var(--surface-overlay);border:1px solid var(--border);border-radius:18px;box-shadow:var(--shadow-lg);overflow:hidden}.mv4-uchead{display:flex;align-items:center;gap:9px;padding:13px 17px;border-bottom:1px solid var(--hairline);background:var(--surface-raised)}.mv4-uchead .mv4-nm{font-weight:700;font-size:13.5px;color:var(--ink)}.mv4-uchead .mv4-tm{margin-left:auto;font-family:var(--font-mono),monospace;font-size:10px;color:var(--ink-muted)}.mv4-ucbody{padding:17px}.mv4-bubble{display:flex;gap:11px;margin-bottom:13px}.mv4-bubble:last-child{margin-bottom:0}.mv4-bubble .mv4-av{width:32px;height:32px;border-radius:9px;flex:none;display:grid;place-items:center;color:#fff;font-weight:700;font-size:12px}.mv4-bubble .mv4-bw{flex:1}.mv4-bubble 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svg{width:18px;height:18px;color:var(--mv4-esp-accent);flex:none;margin-top:3px}.mv4-df b{font-size:15px;color:var(--mv4-esp-ink)}.mv4-df p{margin:2px 0 0;font-size:13.5px;color:var(--mv4-esp-ink3);text-wrap:pretty}.mv4-runcard{background:var(--mv4-esp-2);border:1px solid var(--mv4-esp-line);border-radius:20px;box-shadow:0 30px 90px rgba(0,0,0,.5);overflow:hidden}.mv4-rhead{display:flex;align-items:center;gap:11px;padding:15px 19px;border-bottom:1px solid var(--mv4-esp-line)}.mv4-rhead .mv4-rt2{font-weight:700;font-size:14.5px}.mv4-rhead .mv4-pill{margin-left:auto;display:inline-flex;align-items:center;gap:7px;height:25px;padding:0 11px;border-radius:99px;font-family:var(--font-mono),monospace;font-size:10px;font-weight:600;letter-spacing:.04em;text-transform:uppercase;background:rgba(45,212,191,.13);color:var(--mv4-esp-accent);transition:background .4s,color .4s}.mv4-pill .mv4-pd{width:7px;height:7px;border-radius:50%;background:currentColor;animation:mv4-pulsedot 1.4s ease-in-out 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