:root{color-scheme:light;--bg:#f4f7fd;--surface:#fff;--surface-2:#eef2fb;--text:#0b1220;--muted:#55637d;--line:rgba(15,23,42,.1);--brand:#4f46e5;--brand-2:#8b5cf6;--pen:#d62839;--good:#047857;--bad:#be123c;--warn:#b45309;--good-bg:rgba(var(--brand2-rgb),.1);--bad-bg:rgba(244,63,94,.08);--grad-a:#4f46e5;--grad-b:#8b5cf6;--brand-rgb:79,70,229;--brand2-rgb:139,92,246;--brand-grad:linear-gradient(135deg,var(--grad-a) 0%,var(--grad-b) 100%);--nav-bg:rgba(244,247,253,.8);--shadow:0 1px 2px rgba(15,23,42,.05),0 10px 30px rgba(15,23,42,.07);--shadow-lg:0 2px 6px rgba(15,23,42,.06),0 30px 80px rgba(var(--brand-rgb),.18);--aurora-1:rgba(var(--brand-rgb),.22);--aurora-2:rgba(var(--brand2-rgb),.2);--aurora-3:rgba(124,58,237,.14);--grid-line:rgba(15,23,42,.06);--paper:#fffdf8;--ink:#1e3a8a;--radius:20px;--wrap:1180px}[data-theme=dark]{color-scheme:dark;--bg:#060b1a;--surface:#0d1530;--surface-2:#131e43;--text:#eaf0ff;--muted:#9aa8c7;--line:hsla(0,0%,100%,.1);--brand:#818cf8;--brand-2:#a78bfa;--pen:#ff5b6b;--brand-rgb:129,140,248;--brand2-rgb:167,139,250;--good:#34d399;--bad:#fb7185;--warn:#fbbf24;--good-bg:rgba(52,211,153,.1);--bad-bg:rgba(251,113,133,.09);--nav-bg:rgba(6,11,26,.75);--shadow:0 1px 2px rgba(0,0,0,.3),0 10px 30px rgba(0,0,0,.3);--shadow-lg:0 2px 6px rgba(0,0,0,.4),0 30px 90px rgba(var(--brand-rgb),.28);--aurora-1:rgba(59,130,246,.3);--aurora-2:rgba(var(--brand2-rgb),.22);--aurora-3:rgba(139,92,246,.24);--grid-line:hsla(0,0%,100%,.05)}*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:84px}body{margin:0;font-family:Inter,system-ui,sans-serif;background:var(--bg);color:var(--text);line-height:1.6;-webkit-font-smoothing:antialiased;transition:background .3s,color .3s}img,svg{max-width:100%;display:block}a{color:inherit;text-decoration:none}h1,h2,h3,h4{margin:0;line-height:1.12;letter-spacing:-.025em;color:var(--text)}p{margin:0}button{font:inherit;color:inherit}.wrap{width:min(var(--wrap),100% - 40px);margin-inline:auto}.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;overflow:clip;clip:rect(0 0 0 0);white-space:nowrap}.grad-text{background:var(--brand-grad);-webkit-background-clip:text;background-clip:text;color:transparent}:focus-visible{outline:3px solid var(--brand);outline-offset:3px;border-radius:8px}.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:13px 24px;border-radius:999px;font-weight:600;font-size:.96rem;border:1px solid transparent;cursor:pointer;transition:transform .15s,box-shadow .2s,border-color .2s}.btn:active{transform:translateY(1px)}.btn:disabled{opacity:.55;cursor:not-allowed}.btn-primary{background:var(--brand-grad);color:#fff;box-shadow:0 8px 26px rgba(var(--brand-rgb),.35)}.btn-primary:hover:not(:disabled){transform:translateY(-2px);box-shadow:0 12px 34px rgba(var(--brand-rgb),.45)}.btn-ghost{background:var(--surface);border-color:var(--line);color:var(--text)}.btn-ghost:hover{border-color:var(--brand)}.btn-sm{padding:9px 18px;font-size:.88rem}.pill{display:inline-flex;align-items:center;gap:9px;padding:7px 15px;border-radius:999px;background:var(--surface);border:1px solid var(--line);font-size:.82rem;font-weight:600;color:var(--muted);box-shadow:var(--shadow)}.live{width:8px;height:8px;border-radius:50%;background:var(--brand-2);box-shadow:0 0 0 0 rgba(var(--brand2-rgb),.6);animation:ping 2s infinite}@keyframes ping{70%{box-shadow:0 0 0 9px rgba(var(--brand2-rgb),0)}to{box-shadow:0 0 0 0 rgba(var(--brand2-rgb),0)}}.nav{position:-webkit-sticky;position:sticky;top:0;background:var(--nav-bg);-webkit-backdrop-filter:blur(16px);backdrop-filter:blur(16px);border-bottom:1px solid var(--line)}.nav-in{justify-content:space-between;height:68px;gap:18px}.brand,.nav-in{display:flex;align-items:center}.brand{gap:10px;font-weight:800;font-size:1.25rem;letter-spacing:-.03em}.brand img{width:40px;height:40px}.brand b{color:var(--brand)}.nav-links{display:flex;gap:26px;font-size:.92rem;font-weight:500;color:var(--muted)}.nav-links a:hover{color:var(--text)}.nav-cta{display:flex;align-items:center;gap:10px}.signin{font-weight:600;font-size:.92rem;padding:8px 10px}.icon-btn{width:40px;height:40px;border-radius:12px;border:1px solid var(--line);background:var(--surface);cursor:pointer;display:grid;place-items:center;font-size:1.05rem}.icon-btn:hover{border-color:var(--brand)}.menu-btn{display:none}.hero{position:relative;overflow:hidden;overflow:clip;padding:76px 0 40px}.aurora{position:absolute;inset:0;z-index:0;pointer-events:none;background-image:linear-gradient(var(--grid-line) 1px,transparent 1px),linear-gradient(90deg,var(--grid-line) 1px,transparent 1px);background-size:54px 54px;mask-image:radial-gradient(ellipse 80% 60% at 50% 20%,#000 30%,transparent 75%);-webkit-mask-image:radial-gradient(ellipse 80% 60% at 50% 20%,#000 30%,transparent 75%)}.aurora:after,.aurora:before{content:"";position:absolute;border-radius:50%;filter:blur(70px);animation:drift 18s ease-in-out infinite alternate}.aurora:before{width:520px;height:520px;left:8%;top:-140px;background:var(--aurora-1)}.aurora:after{width:460px;height:460px;right:6%;top:-60px;background:var(--aurora-2);animation-delay:-6s}.hero>.wrap{position:relative;z-index:1}@keyframes drift{to{transform:translate(60px,40px) scale(1.15)}}.hero-top{text-align:center;max-width:880px;margin-inline:auto}.hero h1{font-size:clamp(2.6rem,6.2vw,4.9rem);font-weight:800;margin:22px 0}.lede{font-size:clamp(1.02rem,1.6vw,1.2rem);color:var(--muted);max-width:40em;margin-inline:auto}.hero-actions{gap:12px;margin-top:32px}.hero-actions,.hero-meta{display:flex;flex-wrap:wrap;justify-content:center}.hero-meta{gap:8px 24px;margin-top:26px;font-size:.87rem;color:var(--muted);font-weight:500}.hero-meta span:before{content:"✓";color:var(--brand-2);font-weight:800;margin-right:7px}.studio{margin:52px auto 0;max-width:1000px;background:var(--surface);border:1px solid var(--line);border-radius:24px;box-shadow:var(--shadow-lg);overflow:hidden;overflow:clip;position:relative}.studio-bar{display:flex;align-items:center;gap:14px;padding:12px 18px;border-bottom:1px solid var(--line);background:var(--surface-2)}.dots{display:flex;gap:7px}.dots i{width:11px;height:11px;border-radius:50%;background:#ff5f57}.dots i:nth-child(2){background:#febc2e}.dots i:nth-child(3){background:#28c840}.studio-title{font-size:.8rem;flex:1 1;text-align:center;white-space:nowrap;overflow:hidden;overflow:clip;text-overflow:ellipsis}.studio-replay,.studio-title{font-weight:600;color:var(--muted)}.studio-replay{border:1px solid var(--line);background:var(--surface);border-radius:999px;padding:4px 12px;font-size:.75rem;cursor:pointer}.studio-replay:hover{color:var(--text);border-color:var(--brand)}.studio-body{display:grid;grid-template-columns:1.3fr 1fr}.paper{position:relative;background:var(--paper);padding:22px 20px 22px 44px;overflow:hidden;overflow:clip;min-height:400px;color:var(--ink);background-image:linear-gradient(90deg,transparent 30px,rgba(214,40,57,.35) 0,rgba(214,40,57,.35) 31.5px,transparent 0),repeating-linear-gradient(180deg,transparent 0 30px,rgba(37,99,235,.15) 30px 31px);background-position:0 0,0 12px}.paper-meta{display:flex;justify-content:space-between;font-family:Kalam,cursive;font-size:.85rem;margin-bottom:8px}.row{display:grid;grid-template-columns:1fr 112px;grid-gap:8px;gap:8px;min-height:93px}.qa{font-family:Kalam,cursive;font-size:.9rem;line-height:31px}.qa b{font-weight:700}.wrong{-webkit-text-decoration:line-through 2px transparent;text-decoration:line-through 2px transparent;transition:-webkit-text-decoration-color .3s .5s;transition:text-decoration-color .3s .5s;transition:text-decoration-color .3s .5s,-webkit-text-decoration-color .3s .5s}.row.on .wrong{-webkit-text-decoration-color:var(--pen);text-decoration-color:var(--pen)}.margin{position:relative}.draw{fill:none;stroke:#d62839;stroke-width:3;stroke-linecap:round;stroke-linejoin:round;stroke-dasharray:1;stroke-dashoffset:1;transition:stroke-dashoffset .55s ease}.row.on .draw{stroke-dashoffset:0}.tick{left:2px;top:0;width:30px;height:26px}.sc,.tick{position:absolute}.sc{right:0;top:2px;width:66px;height:46px;overflow:visible}.sc .draw{transition-delay:.35s;stroke-width:2.6}.sc text{font-family:Caveat,cursive;font-weight:700;font-size:25px;fill:#d62839;opacity:0;transition:opacity .3s .7s}.row.on .sc text{opacity:1}.remark{position:absolute;left:0;top:40px;font-family:Caveat,cursive;font-weight:700;font-size:1.05rem;line-height:1.05;color:#d62839;transform:rotate(-3deg);opacity:0;-webkit-clip-path:inset(0 100% 0 0);clip-path:inset(0 100% 0 0)}.row.on .remark{opacity:1;animation:write 1s steps(14) .6s forwards}@keyframes write{to{-webkit-clip-path:inset(0 0 0 0);clip-path:inset(0 0 0 0)}}.beam{position:absolute;left:0;right:0;top:0;height:3px;opacity:0;background:linear-gradient(90deg,transparent,#10b981,transparent);box-shadow:0 0 22px 6px rgba(var(--brand2-rgb),.5)}.studio.run .beam{animation:beam 3.3s ease-in-out forwards}@keyframes beam{0%{top:0;opacity:0}8%{opacity:1}92%{opacity:1}to{top:100%;opacity:0}}.pipe{padding:22px 22px 20px;display:flex;flex-direction:column;gap:4px;border-left:1px solid var(--line)}.pipe h4{font-size:.72rem;letter-spacing:.1em;text-transform:uppercase;color:var(--muted);margin-bottom:8px}.pipe-step{display:flex;gap:12px;align-items:flex-start;padding:8px 0;font-size:.9rem;color:var(--muted);transition:color .3s}.pipe-step small{display:block;font-size:.74rem;opacity:.85}.pipe-ico{flex:none;width:22px;height:22px;border-radius:50%;border:2px solid var(--line);position:relative;margin-top:1px;transition:all .3s}.pipe-step.active{color:var(--text);font-weight:600}.pipe-step.active .pipe-ico{border-color:var(--brand);border-top-color:transparent;animation:spin .7s linear infinite}.pipe-step.done{color:var(--text)}.pipe-step.done .pipe-ico{background:var(--brand-2);border-color:var(--brand-2)}.pipe-step.done .pipe-ico:after{content:"✓";position:absolute;inset:0;display:grid;place-items:center;color:#fff;font-size:.7rem;font-weight:800}@keyframes spin{to{transform:rotate(1turn)}}.score-card{margin-top:auto;display:flex;align-items:center;gap:16px;padding:14px 16px;border-radius:16px;background:var(--surface-2);border:1px solid var(--line);opacity:.35;transition:opacity .5s}.score-card.on{opacity:1}.ring{width:66px;height:66px;flex:none;transform:rotate(-90deg)}.ring circle{fill:none;stroke-width:7}.ring .trk{stroke:var(--line)}.ring .val{stroke:url(#rg);stroke-linecap:round;stroke-dasharray:188.5;stroke-dashoffset:188.5;transition:stroke-dashoffset 1s ease}.score-num{font-size:1.8rem;font-weight:800;line-height:1}.score-num small{font-size:.9rem;color:var(--muted);font-weight:600}.score-sub{font-size:.76rem;color:var(--muted);margin-top:4px}.mini-chips{display:flex;flex-wrap:wrap;gap:6px;margin-top:10px;min-height:26px}.mini-chips span{font-size:.7rem;font-weight:600;padding:3px 10px;border-radius:999px;background:var(--bad-bg);color:var(--bad);opacity:0;transform:translateY(6px);transition:all .4s}.mini-chips span.g{background:var(--good-bg);color:var(--good)}.mini-chips.on span{opacity:1;transform:none}.mini-chips.on span:nth-child(2){transition-delay:.15s}.mini-chips.on span:nth-child(3){transition-delay:.3s}.ticker{padding:34px 0 10px;overflow:hidden;overflow:clip;mask-image:linear-gradient(90deg,transparent,#000 10%,#000 90%,transparent);-webkit-mask-image:linear-gradient(90deg,transparent,#000 10%,#000 90%,transparent)}.ticker-track{display:flex;gap:14px;width:max-content;animation:marquee 40s linear infinite}.ticker:hover .ticker-track{animation-play-state:paused}.ticker-track span{padding:8px 20px;border:1px solid var(--line);background:var(--surface);border-radius:999px;font-weight:600;font-size:.88rem;color:var(--muted);white-space:nowrap}@keyframes marquee{to{transform:translateX(-50%)}}section{padding:96px 0}.sec-head{text-align:center;max-width:780px;margin:0 auto 52px}.kicker{font-size:.78rem;font-weight:700;letter-spacing:.14em;text-transform:uppercase;color:var(--brand);margin-bottom:14px}.sec-head h2{font-size:clamp(2rem,4vw,3.1rem);font-weight:800}.sec-head p{margin-top:16px;color:var(--muted);font-size:1.07rem}.card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow)}.tabs{display:flex;flex-wrap:wrap;justify-content:center;gap:8px;margin-bottom:32px}.tab{padding:10px 20px;border-radius:999px;border:1px solid var(--line);background:var(--surface);font-weight:600;font-size:.92rem;color:var(--muted);cursor:pointer;transition:all .2s}.tab:hover{color:var(--text);border-color:var(--brand)}.tab[aria-selected=true]{background:var(--brand-grad);color:#fff;border-color:transparent;box-shadow:0 8px 22px rgba(var(--brand-rgb),.3)}.role-head{text-align:center;max-width:640px;margin:0 auto 28px}.role-head h3{font-size:1.5rem}.role-head p{color:var(--muted);margin-top:8px}.ps-list{display:grid;grid-gap:12px;gap:12px;max-width:980px;margin-inline:auto}.ps{display:grid;grid-template-columns:1fr 46px 1.45fr;border-radius:var(--radius);overflow:hidden;overflow:clip;border:1px solid var(--line);background:var(--surface);box-shadow:var(--shadow);animation:rise .5s both}.ps:nth-child(2){animation-delay:.07s}.ps:nth-child(3){animation-delay:.14s}.ps:nth-child(4){animation-delay:.21s}@keyframes rise{0%{opacity:0;transform:translateY(14px)}}.ps .prob{padding:22px 24px;background:var(--bad-bg)}.ps .sol{padding:22px 24px;background:var(--good-bg)}.ps h4{font-size:.98rem;margin-bottom:6px}.ps .prob h4{color:var(--bad)}.ps .sol h4{color:var(--good)}.ps p{font-size:.91rem;color:var(--muted)}.ps .arrow{display:grid;place-items:center;font-weight:800;background:linear-gradient(90deg,var(--bad-bg),var(--good-bg))}.ps .arrow,.tag{color:var(--good)}.tag{display:inline-block;margin:10px 6px 0 0;padding:3px 10px;border-radius:999px;font-size:.72rem;font-weight:600;background:var(--surface);border:1px solid var(--line)}.play{display:grid;grid-template-columns:250px 1fr;grid-gap:22px;gap:22px;align-items:start}.samples{display:grid;grid-gap:10px;gap:10px}.sample{text-align:left;padding:16px;border-radius:16px;border:1px solid var(--line);background:var(--surface);cursor:pointer;transition:all .2s}.sample:hover{border-color:var(--brand)}.sample[aria-pressed=true]{border-color:var(--brand);box-shadow:0 0 0 3px rgba(var(--brand-rgb),.18)}.sample b{display:block;font-size:.93rem}.play-note,.sample span{font-size:.78rem;color:var(--muted)}.play-note{margin-top:6px}.play-main{display:grid;grid-template-columns:1fr 1fr;overflow:hidden;overflow:clip}.answer{padding:26px 24px;background:var(--paper);color:var(--ink);position:relative;min-height:420px;background-image:repeating-linear-gradient(180deg,transparent 0 33px,rgba(37,99,235,.15) 33px 34px);background-position:0 14px;display:flex;flex-direction:column}.answer .q{font-weight:600;font-size:.84rem;font-family:Inter;line-height:1.5;color:#475569;margin-bottom:12px}.answer .hand{font-family:Kalam,cursive;font-size:1.12rem;line-height:34px}.answer .hand.smudge{filter:blur(2.4px);opacity:.7;letter-spacing:.06em}.answer .go{margin-top:auto;align-self:flex-start}.result{padding:24px;display:flex;flex-direction:column;gap:14px;min-height:420px}.stage{font-size:.78rem;font-weight:700;letter-spacing:.08em;text-transform:uppercase;color:var(--muted);display:flex;align-items:center;gap:8px;min-height:20px}.stage .spin{width:14px;height:14px;border:2px solid var(--brand);border-top:2px solid transparent;border-radius:50%;animation:spin .7s linear infinite}.transcript{font-size:.9rem;padding:12px 14px;border-radius:12px;background:var(--surface-2);border:1px dashed var(--line);min-height:48px;color:var(--text)}.transcript:after{content:"▍";color:var(--brand);animation:blink 1s steps(2) infinite}.transcript.done:after{content:""}@keyframes blink{50%{opacity:0}}.rubric{display:grid;grid-gap:7px;gap:7px}.rub{display:flex;justify-content:space-between;align-items:center;gap:10px;font-size:.86rem;padding:9px 12px;border-radius:10px;background:var(--surface-2);animation:rise .35s both}.rub.ok{background:var(--good-bg)}.rub.no{background:var(--bad-bg)}.rub b{font-weight:700;white-space:nowrap}.rub.ok b{color:var(--good)}.rub.no b{color:var(--bad)}.total-row{display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap}.total{font-size:1.9rem;font-weight:800}.total small{font-size:.95rem}.stepper,.total small{color:var(--muted);font-weight:600}.stepper{display:inline-flex;align-items:center;gap:8px;font-size:.78rem}.stepper button{width:30px;height:30px;border-radius:9px;border:1px solid var(--line);background:var(--surface);cursor:pointer;font-weight:700}.stepper button:hover{border-color:var(--brand)}.override-badge{color:var(--warn);font-size:.72rem;font-weight:700}.penbox{font-family:Caveat,cursive;font-weight:700;font-size:1.4rem;line-height:1.1;color:var(--pen);padding:10px 14px;border-radius:12px;border:1px dashed rgba(214,40,57,.35)}.flagbox{padding:14px;border-radius:14px;background:rgba(245,158,11,.1);border:1px solid rgba(245,158,11,.4);font-size:.88rem}.flagbox b{color:var(--warn);display:block;margin-bottom:4px}.meta-chips{display:flex;flex-wrap:wrap;gap:7px}.meta-chips span{font-size:.72rem;font-weight:600;padding:4px 11px;border-radius:999px;background:var(--surface-2);border:1px solid var(--line);color:var(--muted)}.empty{color:var(--muted);font-size:.92rem;margin:auto;text-align:center;max-width:18em}.flow{display:grid;grid-template-columns:repeat(4,1fr);grid-gap:18px;gap:18px;counter-reset:s;position:relative}.flow-step{padding:26px 22px;counter-increment:s}.flow-step:before{content:counter(s);display:grid;place-items:center;width:38px;height:38px;border-radius:12px;background:var(--brand-grad);color:#fff;font-weight:800;margin-bottom:16px}.flow-step h3{font-size:1.08rem;margin-bottom:8px}.flow-step p{font-size:.9rem;color:var(--muted)}.bento{display:grid;grid-template-columns:repeat(6,1fr);grid-gap:16px;gap:16px}.bx{padding:26px;position:relative;overflow:hidden;overflow:clip;display:flex;flex-direction:column;transition:transform .25s,border-color .25s}.bx:hover{transform:translateY(-4px);border-color:rgba(var(--brand-rgb),.45)}.bx h3{font-size:1.15rem;margin-bottom:8px}.bx>p{font-size:.91rem;color:var(--muted)}.s2{grid-column:span 2}.s3{grid-column:span 3}.s4{grid-column:span 4}.s6{grid-column:1/-1;flex-direction:row;gap:28px;align-items:center;flex-wrap:wrap}.viz{margin-top:20px;flex:1 1;display:flex;align-items:flex-end;justify-content:center;min-height:130px}.bars{width:100%;grid-gap:10px}.bars,.brow{display:grid;gap:10px}.brow{grid-template-columns:96px 1fr 38px;grid-gap:10px;align-items:center;font-size:.8rem}.btrack{height:9px;border-radius:9px;background:var(--surface-2);overflow:hidden;overflow:clip}.btrack i{display:block;height:100%;border-radius:9px;width:0;transition:width 1.1s cubic-bezier(.2,.8,.2,1)}.in .btrack i{width:var(--w)}.brow b{text-align:right}.c-g{background:#10b981}.c-m{background:#f59e0b}.c-r{background:var(--pen)}.radar{width:100%;max-width:230px}.radar polygon.shape{fill:rgba(var(--brand-rgb),.25);stroke:var(--brand);stroke-width:2;transform-origin:100px 100px;transform:scale(0);transition:transform 1s cubic-bezier(.2,.8,.2,1)}.in .radar polygon.shape{transform:scale(1)}.radar .web{fill:none;stroke:var(--line)}.radar text{fill:var(--muted);font-size:9px;font-weight:600;text-anchor:middle}.wa{width:100%;display:grid;grid-gap:8px;gap:8px}.wa .b{padding:10px 13px;border-radius:14px;font-size:.82rem;max-width:92%}.wa .out{background:#dcf8c6;color:#0b3d1e;margin-left:auto;border-bottom-right-radius:4px}[data-theme=dark] .wa .out{background:#1f5c3a;color:#e6fff0}.wa .in-b{background:var(--surface-2);border-bottom-left-radius:4px}.wa .pdf{display:flex;gap:10px;align-items:center;background:rgba(0,0,0,.07);border-radius:10px;padding:8px 10px;margin-bottom:6px;font-weight:600;font-size:.78rem}.wa .pdf i{font-style:normal;background:var(--pen);color:#fff;font-size:.62rem;padding:3px 5px;border-radius:4px}.mini-phone{width:128px;background:#0b1020;border-radius:22px;padding:6px}.mini-phone div{background:#dfe5f2;border-radius:17px;height:168px;position:relative;overflow:hidden;overflow:clip;display:grid;place-items:center}.mini-phone .doc{width:66%;height:78%;background:var(--paper);border-radius:4px;transform:rotate(-4deg);box-shadow:0 6px 14px rgba(0,0,0,.2);background-image:repeating-linear-gradient(180deg,transparent 0 11px,rgba(37,99,235,.25) 11px 12px)}.mini-phone .fr{position:absolute;inset:14% 12%;border:2px solid var(--brand-2);border-radius:8px}.mini-phone .ln{position:absolute;left:12%;right:12%;height:2px;background:var(--brand-2);box-shadow:0 0 10px var(--brand-2);animation:scanv 2.6s ease-in-out infinite}@keyframes scanv{0%,to{top:16%}50%{top:82%}}.chat{width:100%;display:grid;grid-gap:8px;gap:8px}.chat .m{padding:9px 12px;border-radius:13px;font-size:.8rem;max-width:90%}.m.s{background:var(--surface-2)}.m.a{background:var(--good-bg);color:var(--good)}.m.a,.m.t{margin-left:auto}.m.t{background:var(--brand);color:#fff}.tree{width:100%;max-width:330px}.tree .ln{stroke:var(--line);stroke-width:1.5;fill:none}.tree .nd{fill:var(--surface-2);stroke:var(--line)}.tree .nd.hub{fill:var(--brand);stroke:none}.tree text{fill:var(--text);font-size:9px;font-weight:700;text-anchor:middle}.tree .hub-t{fill:#fff}.tree .dt{fill:var(--brand-2)}.heat-wrap{padding:26px;max-width:980px;margin-inline:auto}.heat-top{display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:10px;margin-bottom:18px}.heat-top h3{font-size:1.1rem}.legend{display:flex;align-items:center;gap:8px;font-size:.74rem;color:var(--muted);font-weight:600}.legend i{width:120px;height:8px;border-radius:8px;background:linear-gradient(90deg,#d92626,#d9d926,#2bab2b)}.heat{display:grid;grid-template-columns:92px repeat(6,1fr);grid-gap:5px;gap:5px}.heat .hd{font-size:.7rem;font-weight:700;color:var(--muted);text-align:center;padding:4px 2px;line-height:1.2}.heat .nm{font-size:.8rem;font-weight:600;display:flex;align-items:center}.cell{height:34px;border-radius:8px;border:0;color:#fff;font-size:.72rem;font-weight:700;cursor:pointer;transition:transform .15s}.cell:focus-visible,.cell:hover{transform:scale(1.12);z-index:2;position:relative}.heat .avg{font-size:.72rem;font-weight:800;text-align:center;padding-top:8px;border-top:1px solid var(--line);margin-top:4px}.heat .avg.weak{color:var(--bad)}.insight{margin-top:20px;display:flex;gap:14px;align-items:center;padding:16px 18px;border-radius:14px;background:var(--bad-bg);border:1px solid rgba(244,63,94,.25);font-size:.9rem}.insight .ico{font-size:1.4rem}.tip{position:fixed;z-index:90;pointer-events:none;background:var(--text);color:var(--bg);font-size:.76rem;font-weight:600;padding:6px 10px;border-radius:8px;opacity:0;transition:opacity .12s;white-space:nowrap}.tip.on{opacity:1}.roi{display:grid;grid-template-columns:1.1fr 1fr;grid-gap:22px;gap:22px;max-width:980px;margin-inline:auto}.roi-in{padding:30px;display:grid;grid-gap:26px;gap:26px}.field label{display:flex;justify-content:space-between;font-weight:600;font-size:.92rem;margin-bottom:10px}.field label output{color:var(--brand);font-weight:800}input[type=range]{width:100%;accent-color:var(--brand);height:6px}.roi-out{padding:30px;display:flex;flex-direction:column;justify-content:center;text-align:center;background:var(--surface);position:relative;overflow:hidden;overflow:clip}.roi-out:before{content:"";position:absolute;inset:-40% -20% auto;height:80%;background:radial-gradient(closest-side,var(--aurora-2),transparent)}.roi-out>*{position:relative}.big{font-size:clamp(3rem,6vw,4.4rem);font-weight:800;line-height:1}.roi-out p{font-size:.92rem;margin-top:10px}.cmp,.roi-out p{color:var(--muted)}.cmp{margin-top:24px;display:grid;grid-gap:8px;gap:8px;text-align:left;font-size:.78rem;font-weight:600}.cmp .tr{height:12px;border-radius:12px;background:var(--surface-2);overflow:hidden;overflow:clip;margin-top:4px}.cmp .tr i{display:block;height:100%;border-radius:12px;transition:width .5s}.fine{font-size:.74rem!important;margin-top:16px!important;opacity:.85}.faq{max-width:800px;margin-inline:auto;display:grid;grid-gap:12px;gap:12px}.faq details{background:var(--surface);border:1px solid var(--line);border-radius:14px;padding:2px 22px;box-shadow:var(--shadow)}.faq summary{cursor:pointer;font-weight:600;padding:17px 0;list-style:none;display:flex;justify-content:space-between;gap:16px}.faq summary::-webkit-details-marker{display:none}.faq summary:after{content:"+";font-size:1.4rem;line-height:1;color:var(--brand);transition:transform .2s}.faq details[open] summary:after{transform:rotate(45deg)}.faq details p{padding:0 0 18px;color:var(--muted);font-size:.95rem}.demo{display:grid;grid-template-columns:1fr 1.1fr;grid-gap:40px;gap:40px;align-items:center;padding:52px;border-radius:28px;background:var(--surface);border:1px solid var(--line);box-shadow:var(--shadow-lg);position:relative;overflow:hidden;overflow:clip}.demo:before{content:"";position:absolute;width:420px;height:420px;right:-120px;top:-160px;border-radius:50%;background:var(--aurora-2);filter:blur(70px)}.demo>*{position:relative}.demo h2{font-size:clamp(1.9rem,3.4vw,2.7rem);font-weight:800;margin-bottom:14px}.demo>div>p{color:var(--muted)}.demo ul{list-style:none;padding:0;margin:22px 0 0;display:grid;grid-gap:10px;gap:10px;font-size:.94rem}.demo li:before{content:"✓";color:var(--brand-2);font-weight:800;margin-right:10px}form{grid-gap:14px}.two,form{display:grid;gap:14px}.two{grid-template-columns:1fr 1fr;grid-gap:14px}form label{font-size:.8rem;font-weight:600;color:var(--muted);display:grid;grid-gap:6px;gap:6px}input,select,textarea{font:inherit;padding:12px 14px;border-radius:12px;border:1px solid var(--line);background:var(--bg);color:var(--text);width:100%}input:focus,select:focus{outline:none;border-color:var(--brand);box-shadow:0 0 0 3px rgba(var(--brand-rgb),.2)}.form-msg{font-size:.88rem;min-height:1.3em}.form-msg.ok{color:var(--good);font-weight:600}.form-msg.err{color:var(--bad);font-weight:600}.hp{position:absolute;left:-9999px}footer{padding:44px 0 40px;color:var(--muted);font-size:.9rem;border-top:1px solid var(--line);margin-top:40px}.foot{justify-content:space-between;gap:18px;align-items:center}.foot,.foot-links{display:flex;flex-wrap:wrap}.foot-links{gap:22px}.foot-links a:hover{color:var(--text)}.js .reveal{opacity:0;transform:translateY(24px);transition:opacity .7s ease,transform .7s ease}.js .reveal.in{opacity:1;transform:none}@media (max-width:980px){.demo,.play-main,.roi,.studio-body{grid-template-columns:1fr}.pipe{border-left:0;border-top:1px solid var(--line)}.play{grid-template-columns:1fr}.samples{grid-template-columns:repeat(3,1fr)}.flow{grid-template-columns:1fr 1fr}.bento{grid-template-columns:repeat(2,1fr)}.s2,.s3{grid-column:span 1}.s4{grid-column:span 2}.demo{padding:34px 26px}}@media (max-width:760px){section{padding:66px 0}.signin{display:none}.nav-in{gap:8px}.nav-cta{gap:6px}.brand{font-size:1.1rem;gap:8px}.brand img{width:34px;height:34px}.btn-sm{white-space:nowrap;padding:8px 14px;font-size:.82rem}.icon-btn{width:36px;height:36px}.hero{padding-top:44px}.hero-actions .btn{width:100%}.ps{grid-template-columns:1fr}.ps .arrow{padding:4px;transform:rotate(90deg)}.samples{grid-template-columns:1fr}.bento,.flow,.two{grid-template-columns:minmax(0,1fr)}.s2,.s3,.s4{grid-column:1/-1}.heat{grid-template-columns:62px repeat(6,1fr);gap:3px}.heat .hd{font-size:.58rem}.cell{height:30px;font-size:.62rem}.heat .nm{font-size:.7rem}.paper{padding-left:38px}.row{grid-template-columns:1fr 96px}}@media (prefers-reduced-motion:reduce){*,:after,:before{animation:none!important;transition:none!important;scroll-behavior:auto!important}.js .reveal{opacity:1;transform:none}.btrack i{width:var(--w)}.radar polygon.shape{transform:none}.ticker-track{flex-wrap:wrap;width:auto;justify-content:center}.ticker{mask-image:none;-webkit-mask-image:none}}.soon-pill{margin-top:22px!important}.subjects{display:grid;grid-template-columns:repeat(3,1fr);grid-gap:16px;gap:16px}.subj{padding:26px;position:relative;transition:transform .25s,border-color .25s}.subj:hover{transform:translateY(-4px);border-color:rgba(var(--brand-rgb),.45)}.subj-ico{width:48px;height:48px;border-radius:14px;display:grid;place-items:center;font-size:1.5rem;font-weight:700;margin-bottom:16px;color:#fff;background:var(--brand-grad)}.subj h3{font-size:1.15rem;margin-bottom:8px}.subj p{font-size:.92rem;color:var(--muted)}.badge{position:absolute;top:22px;right:22px;font-size:.7rem;font-weight:700;letter-spacing:.04em;padding:4px 11px;border-radius:999px;color:var(--warn);background:rgba(245,158,11,.12);border:1px solid rgba(245,158,11,.35)}.badge.avail{color:var(--good);background:var(--good-bg);border-color:rgba(16,185,129,.35)}.subj-cta{text-align:center;margin-top:36px}@media (max-width:980px){.subjects{grid-template-columns:1fr 1fr}}@media (max-width:760px){.subjects{grid-template-columns:minmax(0,1fr)}}.band{background:linear-gradient(180deg,transparent,var(--surface-2) 12%,var(--surface-2) 88%,transparent)}.scroll-progress{position:fixed;left:0;right:0;top:0;height:3px;z-index:80;transform-origin:0 50%;background:var(--brand-grad)}.cursor-glow{position:fixed;left:0;top:0;width:520px;height:520px;border-radius:50%;pointer-events:none;z-index:0;background:radial-gradient(closest-side,var(--aurora-1),transparent);opacity:.55}.nav,footer,main{position:relative;z-index:1}.nav{z-index:60}@media (hover:none){.cursor-glow{display:none}}.glow{position:relative}.glow:before{content:"";position:absolute;inset:0;border-radius:inherit;pointer-events:none;opacity:0;transition:opacity .3s;background:radial-gradient(380px circle at var(--gx,50%) var(--gy,50%),rgba(var(--brand-rgb),.18),transparent 45%);z-index:0}.glow:hover:before{opacity:1}.glow>*{position:relative;z-index:1}.glow>.subj-ico+.badge,.subj>.badge{position:absolute}.studio{transform:translateZ(0)}.story{padding:0;position:relative;height:480vh}.story-pin{position:-webkit-sticky;position:sticky;top:0;height:100vh;height:100svh;padding-top:68px;box-sizing:border-box;display:flex;align-items:center;overflow:hidden;overflow:clip}.story-grid{display:grid;grid-template-columns:.85fr 1.15fr;grid-gap:56px;gap:56px;align-items:center;width:min(var(--wrap),100% - 40px)}.story-copy{position:relative;min-height:320px}.story-cap{position:absolute;left:0;right:0;top:50%;translate:0 -50%;will-change:transform,opacity}.story-cap h2{font-size:clamp(2rem,4vw,3.3rem);font-weight:800;margin:6px 0 16px}.story-cap p{color:var(--muted);font-size:1.08rem;max-width:30em}.story-stage{position:relative;height:min(66vh,580px)}.story-layer{position:absolute;inset:0;display:grid;place-items:center;pointer-events:none;will-change:transform,opacity}.story-paper{width:min(100%,540px);height:100%;max-height:520px;min-height:0;border-radius:18px;box-shadow:var(--shadow-lg)}.story-score{position:absolute;right:22px;bottom:14px;font-family:Caveat,cursive;font-weight:700;font-size:2.4rem;line-height:1;color:#d62839}.story-score small{font-size:1.2rem}.story-chip{position:absolute;left:46px;bottom:18px;font-size:.76rem;font-weight:700;padding:6px 12px;border-radius:999px;background:#fff;color:#1e3a8a;border:1px solid rgba(30,58,138,.25);box-shadow:var(--shadow)}.story-rail{position:absolute;right:22px;top:50%;translate:0 -50%;display:grid;grid-gap:10px;gap:10px}.story-rail i{width:8px;height:8px;border-radius:99px;background:var(--line);transition:all .3s;display:block}.story-rail i.past{background:var(--brand-2)}.story-rail i.on{height:26px;background:var(--brand-grad)}.story-hint{position:absolute;bottom:22px;left:50%;translate:-50% 0;font-size:.78rem;font-weight:700;letter-spacing:.12em;text-transform:uppercase;color:var(--muted);animation:nudge 1.6s ease-in-out infinite}@keyframes nudge{50%{transform:translateY(6px)}}.sc-wrap{width:min(100%,580px)}.sc-grid{display:grid;grid-template-columns:64px repeat(6,1fr);grid-gap:5px;gap:5px}.sc-hd{font-size:.62rem;font-weight:700;color:var(--muted);text-align:center;line-height:1.15;align-self:end;padding-bottom:4px}.sc-hd.is-weak{color:var(--bad)}.sc-nm{font-size:.76rem;font-weight:600;display:flex;align-items:center}.sc-nm.me{color:var(--brand)}.sc-cell{height:clamp(22px,4.7vh,38px);border-radius:8px;color:#fff;font-size:.7rem;font-weight:700;display:grid;place-items:center;opacity:0;transform:scale(.35);transition:opacity .45s,transform .45s cubic-bezier(.2,.8,.2,1),box-shadow .4s}.sc-wrap.on .sc-cell{opacity:1;transform:none}.sc-wrap.weak .sc-cell.col-weak{box-shadow:0 0 0 2px var(--bg),0 0 0 4px var(--pen),0 0 22px rgba(255,91,107,.5)}.sc-note{margin-top:16px;text-align:center;font-size:.92rem;color:var(--muted)}.sc-note b{color:var(--text)}.sc-tree{width:min(100%,540px)}.sc-tree .tree{max-width:none}.sc-tree .tree .ln{stroke:var(--muted);opacity:.55;stroke-width:1.6}.story-static{padding:80px 0}.story-static-row{display:grid;grid-template-columns:1fr 1fr;grid-gap:48px;gap:48px;align-items:center;padding:36px 0}.story-static-row h2{font-size:clamp(1.8rem,3.2vw,2.6rem);font-weight:800;margin:6px 0 12px}.story-static-row p{color:var(--muted)}.story-static-vis .story-paper{height:auto;min-height:380px}@media (max-width:980px){.story-grid{grid-template-columns:1fr;gap:14px}.story-copy{min-height:190px}.story-stage{height:44svh}.story-cap h2{font-size:clamp(1.6rem,6vw,2.2rem);margin:4px 0 8px}.story-cap p{font-size:.96rem}.story-paper{max-height:100%}.story-rail{right:8px}.story-static-row{grid-template-columns:1fr}}@media (max-width:760px){.story-paper .row{min-height:70px}.story-paper .qa{font-size:.78rem;line-height:24px}.story-score{font-size:1.8rem}.sc-grid{grid-template-columns:46px repeat(6,1fr);gap:3px}.sc-hd{font-size:.52rem}.sc-nm{font-size:.62rem}.sc-cell{font-size:.58rem;border-radius:5px}}@media (prefers-reduced-motion:reduce){.story{height:auto}.story-hint{animation:none}.scroll-progress{display:none}}.brand-txt{display:flex;flex-direction:column;line-height:1.05}.brand-txt small{font-size:.62rem;font-weight:600;letter-spacing:.02em;color:var(--muted);margin-top:3px;white-space:nowrap}footer{padding:52px 0 28px}.foot-grid{display:grid;grid-template-columns:1.2fr 1.4fr 1fr;grid-gap:36px;gap:36px;align-items:start}.foot-brand .by{margin-top:14px;font-size:.92rem;color:var(--muted)}.foot-brand .by b{color:var(--text)}.foot-brand .tagline{margin-top:4px;font-size:.84rem;color:var(--muted)}.foot-addr{font-style:normal;display:grid;grid-gap:3px;gap:3px;font-size:.9rem;color:var(--muted)}.foot-addr b{color:var(--text);margin-bottom:4px}.foot-addr a{color:var(--brand);font-weight:600;margin-top:6px}.foot-addr a:hover{text-decoration:underline}.foot-links{display:grid;grid-template-columns:1fr 1fr;grid-gap:10px 22px;gap:10px 22px;font-size:.9rem;align-content:start}.foot-legal{margin-top:34px;padding-top:20px;border-top:1px solid var(--line);font-size:.8rem;color:var(--muted)}@media (max-width:980px){.foot-grid{grid-template-columns:1fr 1fr}.foot-brand{grid-column:1/-1}}@media (max-width:760px){.brand-txt small{display:none}.foot-grid{grid-template-columns:minmax(0,1fr);gap:26px}}.nav-signup{display:inline-flex}.auth{position:relative;min-height:100vh;min-height:100svh;display:flex;flex-direction:column;overflow:hidden;overflow:clip}.auth>.aurora{mask-image:radial-gradient(ellipse 90% 70% at 50% 0,#000 25%,transparent 75%);-webkit-mask-image:radial-gradient(ellipse 90% 70% at 50% 0,#000 25%,transparent 75%)}.auth>:not(.aurora){position:relative;z-index:1}.auth-top{justify-content:space-between;height:76px}.auth-top,.auth-top-r{display:flex;align-items:center}.auth-top-r{gap:14px}.auth-back{font-size:.9rem;font-weight:600;color:var(--muted)}.auth-back:hover{color:var(--text)}.auth-main{flex:1 1;display:grid;grid-template-columns:minmax(0,1.05fr) minmax(0,.95fr);grid-gap:64px;gap:64px;align-items:center;padding:28px 0 56px}.auth-card{padding:38px 36px;box-shadow:var(--shadow-lg);max-width:560px;width:100%;justify-self:end}.auth-card h1{font-size:clamp(1.6rem,3vw,2.1rem);font-weight:800}.auth-sub{color:var(--muted);margin:8px 0 22px}.pw{position:relative;display:block}.pw input{padding-right:70px}.pw-toggle{position:absolute;right:8px;top:50%;translate:0 -50%;border:0;background:none;color:var(--brand);font-weight:700;font-size:.78rem;cursor:pointer;padding:6px 8px;border-radius:8px}.pw-toggle:hover{background:var(--surface-2)}.auth-alert{padding:12px 14px;border-radius:12px;font-size:.88rem;line-height:1.5}.auth-alert.err{background:var(--bad-bg);color:var(--bad);border:1px solid rgba(244,63,94,.3)}.auth-alert.info{background:rgba(245,158,11,.1);color:var(--warn);border:1px solid rgba(245,158,11,.4)}.auth-alert.ok{background:var(--good-bg);color:var(--good);border:1px solid rgba(16,185,129,.3);margin-bottom:14px}.auth-alert a{text-decoration:underline;font-weight:600}.auth-alt{text-align:center;font-size:.9rem;color:var(--muted);margin-top:4px}.auth-alt a,.auth-note a{color:var(--brand);font-weight:700}.auth-alt a:hover,.auth-note a:hover{text-decoration:underline}.auth-side{max-width:460px}.auth-side h2{font-size:clamp(1.5rem,2.6vw,2.1rem);font-weight:800;margin-bottom:20px}.auth-side ol,.auth-side ul{margin:0;padding:0;list-style:none;display:grid;grid-gap:16px;gap:16px;color:var(--muted);counter-reset:n}.auth-side li b{color:var(--text)}.auth-side ul li{padding-left:34px;position:relative}.auth-side ul li:before{content:"✓";position:absolute;left:0;top:1px;width:22px;height:22px;border-radius:50%;display:grid;place-items:center;font-size:.72rem;font-weight:800;color:#fff;background:var(--brand-grad)}.auth-side ol li{padding-left:38px;position:relative;counter-increment:n}.auth-side ol li:before{content:counter(n);position:absolute;left:0;top:-1px;width:26px;height:26px;border-radius:9px;display:grid;place-items:center;font-size:.8rem;font-weight:800;color:#fff;background:var(--brand-grad)}.auth-note{margin-top:26px;font-size:.92rem;color:var(--muted)}.auth-foot{display:flex;justify-content:space-between;flex-wrap:wrap;gap:8px;padding:18px 0 26px;font-size:.8rem;color:var(--muted);border-top:1px solid var(--line)}.auth-foot a:hover{color:var(--text)}@media (max-width:980px){.auth-main{grid-template-columns:minmax(0,1fr);gap:36px;padding-top:8px}.auth-card,.auth-side{justify-self:center}.auth-side{max-width:560px}}@media (max-width:760px){.nav-signup{display:none}.auth-card{padding:28px 22px}.auth-back{display:none}}.menu-only{display:none}@media (max-width:760px){.menu-only{display:block}}@media (max-width:1100px){.nav-links{display:none}.menu-btn{display:grid}.nav.open .nav-links{display:flex;flex-direction:column;position:absolute;top:68px;left:0;right:0;padding:18px 20px 22px;background:var(--bg);border-bottom:1px solid var(--line);gap:16px;font-size:1rem}}