:root{--bg:#f2f3f5;--bg-2:#e9eaee;--surface:#fff;--ink:#0b0d10;--ink-2:#4a5059;--ink-3:#8b919b;--accent:#0a66f5;--accent-soft:#dbe8ff;--line:#dddfe4;--r:18px;--ease:cubic-bezier(.22,1,.36,1);--maxw:1120px}*{box-sizing:border-box;margin:0;padding:0}html{scroll-behavior:smooth}body{background:var(--bg);color:var(--ink);font-family:Inter,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;-webkit-font-smoothing:antialiased;overflow-x:hidden;letter-spacing:-.011em}body:before{content:"";position:fixed;inset:0;pointer-events:none;z-index:0;background:radial-gradient(900px 600px at 78% -5%,rgba(10,102,245,.09),transparent 60%),radial-gradient(700px 500px at 5% 40%,rgba(10,102,245,.05),transparent 65%)}.grain{position:fixed;inset:-50%;z-index:1;pointer-events:none;opacity:.035;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='160'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.85' 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.accent{color:var(--accent)}.hero__sub{font-size:clamp(1.05rem,2.1vw,1.45rem);color:var(--ink-2);line-height:1.55;max-width:38ch;font-weight:400}.hero__cta{display:flex;flex-wrap:wrap;gap:12px;margin-top:38px}.btn{display:inline-flex;align-items:center;gap:8px;padding:13px 24px;border-radius:999px;font-size:15px;font-weight:600;text-decoration:none;transition:transform .35s var(--ease),box-shadow .35s var(--ease),background .25s;will-change:transform}.btn--primary{background:var(--accent);color:#fff;box-shadow:0 10px 26px -10px #0a66f5bf}.btn--primary:hover{transform:translateY(-2px);box-shadow:0 18px 38px -12px #0a66f5bf}.btn--ghost{color:var(--ink);border:1px solid var(--line);background:#fff9}.btn--ghost:hover{transform:translateY(-2px);background:#fff}.scroll-hint{margin-top:64px;width:24px;height:38px;border:1.5px solid var(--ink-3);border-radius:14px;position:relative;opacity:.5}.scroll-hint span{position:absolute;left:50%;top:8px;width:3px;height:7px;border-radius:2px;background:var(--ink-3);transform:translate(-50%);animation:wheel 1.8s var(--ease) infinite}@keyframes wheel{0%{opacity:0;transform:translate(-50%)}30%{opacity:1}to{opacity:0;transform:translate(-50%,13px)}}.demo{max-width:var(--maxw);margin:0 auto;padding:40px clamp(20px,5vw,48px) clamp(80px,12vh,140px)}.demo__row{display:grid;grid-template-columns:1fr auto 1fr;gap:clamp(16px,4vw,46px);align-items:center}@media (max-width:820px){.demo__row{grid-template-columns:1fr;justify-items:center}.arrow{transform:rotate(90deg)}}.card{display:flex;flex-direction:column;gap:16px;width:100%;max-width:420px}.card figcaption{font-size:14px;line-height:1.5;color:var(--ink-3);max-width:34ch}.arrow svg{width:70px;height:24px;fill:none;stroke-width:2.2;stroke-linecap:round;stroke-linejoin:round}.arrow--grey svg{stroke:var(--ink-3)}.arrow--blue svg{stroke:var(--accent)}.arrow svg path{stroke-dasharray:var(--len,90);stroke-dashoffset:var(--len,90);transition:stroke-dashoffset .9s var(--ease) .15s}[data-revealed] .arrow svg path,.arrow[data-revealed] svg path{stroke-dashoffset:0}.file{position:relative;background:var(--surface);border-radius:14px;padding:30px 26px;aspect-ratio:1/1.26;box-shadow:0 2px 4px #0b0d100a,0 18px 44px -24px #0b0d1059;transition:transform .6s var(--ease),box-shadow .6s var(--ease)}.file:hover{transform:translateY(-6px) rotate(-.5deg);box-shadow:0 26px 60px -26px #0b0d1066}.file__fold{position:absolute;top:0;right:0;width:46px;height:46px;background:linear-gradient(225deg,var(--bg-2) 50%,transparent 50%);border-top-right-radius:14px}.file__name{font-size:clamp(1.5rem,3.4vw,2rem);font-weight:700;letter-spacing:-.04em;display:block;margin-bottom:22px}.file--map .file__name{color:var(--ink)}.file__lines{display:flex;flex-direction:column;gap:11px}.file__lines i{height:5px;border-radius:3px;background:var(--bg-2);transform-origin:left;transform:scaleX(0);animation:none}[data-revealed] .file__lines i{animation:lineIn .5s var(--ease) forwards}@keyframes lineIn{to{transform:scaleX(1)}}.file__lines i:nth-child(n){animation-delay:calc(var(--i,0) * 55ms)}.graph{width:100%;height:auto;display:block;margin-top:4px}.graph .edges path,.graph .heads path{fill:none;stroke:var(--accent);stroke-width:2.4;stroke-linecap:round}.graph .nodes rect{fill:var(--accent-soft);stroke:var(--accent);stroke-width:2}.graph .pt{fill:var(--accent)}.graph .edges path{stroke-dasharray:120;stroke-dashoffset:120;transition:stroke-dashoffset 1s var(--ease)}[data-revealed] .graph .edges path{stroke-dashoffset:0}[data-revealed] .graph .edges path:nth-child(2){transition-delay:.12s}[data-revealed] .graph .edges path:nth-child(3){transition-delay:.18s}[data-revealed] .graph .edges path:nth-child(4){transition-delay:.3s}[data-revealed] .graph .edges path:nth-child(5){transition-delay:.36s}.graph .nodes rect,.graph .pt{opacity:0;transform:scale(.7);transform-origin:center;transform-box:fill-box;transition:opacity .5s var(--ease),transform .5s var(--ease)}[data-revealed] .graph .nodes rect,[data-revealed] .graph .pt{opacity:1;transform:scale(1)}[data-revealed] .graph .nodes rect:nth-child(2){transition-delay:.18s}[data-revealed] .graph .nodes rect:nth-child(3){transition-delay:.24s}.graph--lit .nodes rect,.graph--lit .pt{filter:drop-shadow(0 0 10px rgba(10,102,245,.45))}.graph--lit .edges path{filter:drop-shadow(0 0 6px rgba(10,102,245,.35))}.win{background:var(--surface);border-radius:14px;overflow:hidden;position:relative;aspect-ratio:1/1.1;display:flex;flex-direction:column;box-shadow:0 2px 4px #0b0d100a,0 18px 44px -24px #0b0d1059;transition:transform .6s var(--ease),box-shadow .6s var(--ease)}.win:hover{transform:translateY(-6px)}.win--ok{box-shadow:0 2px 4px #0b0d100a,0 20px 50px -22px #0a66f580}.win__bar{display:flex;align-items:center;gap:7px;padding:12px 16px;border-bottom:1px solid var(--line);position:relative}.win__bar i{width:10px;height:10px;border-radius:50%}.win__bar .r{background:#ff5f57}.win__bar .y{background:#febc2e}.win__bar .g{background:#28c840}.win__bar span{position:absolute;left:0;right:0;text-align:center;font-size:13.5px;font-weight:500;color:var(--ink-2)}.win__body{flex:1;position:relative;overflow:hidden;background:#fafbfc}.win__body--ok{display:flex;align-items:center;justify-content:center;padding:16px;background:radial-gradient(60% 50% at 50% 50%,rgba(10,102,245,.12),transparent 70%),#fafbfc}.glyph{position:absolute;font-weight:500;color:#b9bec7;user-select:none;will-change:transform}.win__alert{display:flex;align-items:center;justify-content:center;gap:9px;margin:0 16px 16px;padding:12px;border-radius:10px;background:var(--bg-2);color:var(--ink-2);font-size:14px;font-weight:500}.win__alert svg{width:17px;height:17px;fill:none;stroke:var(--ink-2);stroke-width:1.8;stroke-linejoin:round;stroke-linecap:round}.win__check{position:absolute;top:52px;right:16px;width:36px;height:36px;border-radius:50%;background:var(--accent);display:grid;place-items:center;opacity:0;transform:scale(.4);transition:opacity .45s var(--ease) .7s,transform .55s var(--ease) .7s;box-shadow:0 8px 20px -6px #0a66f5b3}[data-revealed] .win__check{opacity:1;transform:scale(1)}.win__check svg{width:20px;height:20px;fill:none;stroke:#fff;stroke-width:2.6;stroke-linecap:round;stroke-linejoin:round}.divider{display:flex;align-items:center;gap:20px;margin:clamp(44px,7vw,78px) 0;color:var(--ink-3);font-size:14.5px}.divider:before,.divider:after{content:"";flex:1;height:1px;background:var(--line)}.demo__claim{text-align:center;margin-top:clamp(48px,7vw,80px);font-size:clamp(1.15rem,2.6vw,1.6rem);color:var(--ink-3);line-height:1.6}.demo__claim strong{color:var(--accent);font-weight:700}.prose{max-width:780px;margin:0 auto;padding:clamp(70px,11vh,120px) clamp(20px,5vw,48px)}.prose h2{font-size:clamp(1.85rem,4.2vw,2.9rem);font-weight:800;letter-spacing:-.035em;line-height:1.12;margin:0 0 22px}.prose h2:not(:first-of-type){margin-top:clamp(56px,8vw,88px)}.prose p{font-size:clamp(1rem,1.6vw,1.12rem);line-height:1.72;color:var(--ink-2);margin-bottom:20px}.prose em{color:var(--ink);font-style:normal;font-weight:600}blockquote{margin-top:36px;padding:26px 30px;border-left:3px solid var(--accent);background:#ffffffa6;border-radius:0 14px 14px 0;font-size:clamp(1.1rem,2.2vw,1.35rem);font-weight:600;line-height:1.5;letter-spacing:-.02em}.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(230px,1fr));gap:14px;margin-top:44px}.tile{background:#ffffffb8;border:1px solid var(--line);border-radius:var(--r);padding:24px 22px;transition:transform .5s var(--ease),box-shadow .5s var(--ease),border-color .5s;position:relative;overflow:hidden}.tile:after{content:"";position:absolute;inset:0;background:radial-gradient(260px 160px at var(--mx,50%) var(--my,0%),rgba(10,102,245,.09),transparent 70%);opacity:0;transition:opacity .4s}.tile:hover{transform:translateY(-5px);border-color:#c9d6ee;box-shadow:0 18px 40px -22px #0b0d1066}.tile:hover:after{opacity:1}.tile__num{font-size:12px;font-weight:700;letter-spacing:.1em;color:var(--accent);display:block;margin-bottom:12px}.tile h3{font-size:1.06rem;font-weight:700;letter-spacing:-.02em;margin-bottom:9px}.tile p{font-size:.94rem;line-height:1.6;color:var(--ink-2);margin:0}.steps{list-style:none;counter-reset:s;margin-top:30px;display:flex;flex-direction:column;gap:2px}.steps li{counter-increment:s;position:relative;padding:18px 18px 18px 60px;border-radius:12px;font-size:1.02rem;line-height:1.62;color:var(--ink-2);transition:background .35s var(--ease)}.steps li:before{content:counter(s,decimal-leading-zero);position:absolute;left:18px;top:19px;font-size:12.5px;font-weight:700;color:var(--accent);letter-spacing:.06em}.steps li:hover{background:#ffffffb3}.steps b{color:var(--ink);font-weight:700}.outro{max-width:760px;margin:0 auto;padding:clamp(70px,11vh,120px) clamp(20px,5vw,48px) clamp(90px,14vh,150px);text-align:center}.outro h2{font-size:clamp(1.7rem,4vw,2.7rem);font-weight:800;letter-spacing:-.035em;line-height:1.14;margin-bottom:18px}.outro p{color:var(--ink-2);font-size:1.07rem;line-height:1.7;margin-bottom:30px}.foot{display:flex;justify-content:space-between;flex-wrap:wrap;gap:10px;max-width:var(--maxw);margin:0 auto;padding:28px clamp(20px,5vw,48px) 44px;border-top:1px solid var(--line);font-size:13.5px;color:var(--ink-3)}[data-reveal],[data-stagger]>*{opacity:0;transform:translateY(26px);transition:opacity .8s var(--ease),transform .8s var(--ease)}[data-reveal][data-revealed],[data-stagger][data-revealed]>*{opacity:1;transform:none}.hero__title .line{opacity:0;transform:translateY(.5em) rotate(1.2deg);transition:opacity .9s var(--ease),transform .9s var(--ease)}.hero__title .line.in{opacity:1;transform:none}@media (prefers-reduced-motion:reduce){*,*:before,*:after{animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important}[data-reveal],[data-stagger]>*,.hero__title .line{opacity:1;transform:none}}.lang{display:inline-flex;align-items:center;gap:7px;padding:6px 12px;border-radius:999px;cursor:pointer;border:1px solid var(--line);background:#fff9;font:inherit;font-size:12.5px;font-weight:700;letter-spacing:.06em;color:var(--ink-3);transition:background .3s,border-color .3s,transform .3s var(--ease)}.lang:hover{background:#fff;border-color:#c9d6ee;transform:translateY(-1px)}.lang__sep{width:1px;height:11px;background:var(--line)}.lang__opt{transition:color .3s}.lang__opt.is-on{color:var(--accent)}@media (max-width:600px){.nav{gap:12px}}.win__body{container-type:size}