:root{--ink:#0e0f13;--ink2:#3b3f4a;--mut:#6b7080;--line:#e6e7ec;--bg:#fafaf8;--card:#fff;--acc:#3355ff;--acc2:#5c77ff;--accsoft:#eef1ff;--good:#0f9f6e;--warn:#e08a00;--bad:#e5484d;--r:18px;--max:1180px}
*{box-sizing:border-box}html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{margin:0;font-family:"Plus Jakarta Sans",ui-sans-serif,system-ui,-apple-system,"Segoe UI",Roboto,Arial,sans-serif;color:var(--ink);background:var(--bg);font-size:17px;line-height:1.6;-webkit-font-smoothing:antialiased}
a{color:inherit}img,svg{display:block}
.wrap{max-width:var(--max);margin:0 auto;padding:0 24px}
.serif{font-family:"Instrument Serif",Georgia,serif;font-style:italic;font-weight:400;letter-spacing:0}
.btn{display:inline-flex;align-items:center;gap:.5rem;padding:.85rem 1.35rem;border-radius:12px;font-weight:600;font-size:16px;text-decoration:none;border:1px solid transparent;transition:transform .15s,box-shadow .15s,background .15s;white-space:nowrap}
.btn:hover{transform:translateY(-1px)}
.btn-p{background:var(--acc);color:#fff;box-shadow:0 6px 20px -6px rgba(51,85,255,.6)}.btn-p:hover{background:#2443f0}
.btn-d{background:var(--ink);color:#fff}.btn-d:hover{background:#000}
.btn-g{background:#fff;color:var(--ink);border-color:var(--line)}.btn-g:hover{border-color:#c9ccd6}
.btn svg{width:16px;height:16px}
.eyebrow{display:inline-flex;align-items:center;gap:.5rem;font-size:13px;font-weight:700;letter-spacing:.12em;text-transform:uppercase;color:var(--acc)}
h1,h2,h3{letter-spacing:-.025em;line-height:1.08;margin:0}
h2{font-size:clamp(2rem,4.2vw,3.2rem);font-weight:700}
.lead{font-size:clamp(1.05rem,1.6vw,1.2rem);color:var(--ink2);max-width:640px}
section{padding:96px 0}
.center{text-align:center}.center .lead{margin-left:auto;margin-right:auto}
/* nav */
header.nav{position:sticky;top:0;z-index:50;background:rgba(250,250,248,.82);backdrop-filter:saturate(1.6) blur(14px);-webkit-backdrop-filter:saturate(1.6) blur(14px);border-bottom:1px solid rgba(230,231,236,.7)}
.nav .wrap{display:flex;align-items:center;gap:28px;height:68px}
.logo{display:flex;align-items:center;gap:9px;text-decoration:none;font-weight:800;font-size:20px;letter-spacing:-.03em}
.logo svg{width:28px;height:28px}.logo small{font-size:10px;font-weight:600;color:var(--mut);letter-spacing:.02em;align-self:flex-start;margin-top:6px}
.links{display:flex;gap:26px;margin-left:12px}.links a{text-decoration:none;color:var(--ink2);font-size:15px;font-weight:500}.links a:hover{color:var(--ink)}
.nav-cta{margin-left:auto;display:flex;gap:10px;align-items:center}
.nav-cta .btn{padding:.6rem 1rem;font-size:14.5px;border-radius:10px}
.login{text-decoration:none;font-weight:600;font-size:15px;padding:.6rem .8rem;color:var(--ink2)}.login:hover{color:var(--ink)}
/* hero */
.hero{padding:72px 0 40px;position:relative;overflow:hidden}
.hero:before{content:"";position:absolute;inset:-200px -10% auto -10%;height:760px;background:radial-gradient(600px 380px at 78% 30%,rgba(51,85,255,.16),transparent 70%),radial-gradient(500px 300px at 10% 10%,rgba(92,119,255,.10),transparent 70%);pointer-events:none}
.hero .wrap{display:grid;grid-template-columns:1.05fr .95fr;gap:56px;align-items:center;position:relative}
.pill{display:inline-flex;align-items:center;gap:.55rem;padding:.38rem .8rem .38rem .45rem;border-radius:99px;background:#fff;border:1px solid var(--line);font-size:13.5px;font-weight:600;color:var(--ink2);margin-bottom:26px}
.pill b{white-space:nowrap;background:var(--accsoft);color:var(--acc);padding:.12rem .55rem;border-radius:99px;font-size:12px}
.hero h1{font-size:clamp(2.7rem,6vw,4.6rem);font-weight:800;letter-spacing:-.04em}
.hero h1 .serif{color:var(--acc);font-size:1.08em}
.hero .lead{margin:24px 0 32px}
.ctas{display:flex;gap:12px;flex-wrap:wrap}
.ticks{display:flex;gap:18px;flex-wrap:wrap;margin-top:20px;font-size:14px;color:var(--mut);font-weight:500}
.ticks span:before{content:"✓";color:var(--good);font-weight:800;margin-right:6px}
/* demo card */
.demo{position:relative}
.card{background:var(--card);border:1px solid var(--line);border-radius:22px;box-shadow:0 30px 60px -30px rgba(20,24,60,.28),0 2px 6px rgba(20,24,60,.05)}
.chat{padding:22px}
.q{display:flex;gap:10px;align-items:center;background:#f4f5f8;border-radius:14px;padding:12px 14px;font-weight:600;font-size:15px}
.q i{width:22px;height:22px;border-radius:50%;background:var(--acc);display:grid;place-items:center;color:#fff;font-style:normal;font-size:12px;flex:none}
.ans{padding:16px 4px 4px;font-size:14.5px;color:var(--ink2)}
.ans p{margin:0 0 12px}
.rec{display:flex;align-items:center;gap:12px;padding:10px 12px;border:1px solid var(--line);border-radius:12px;margin-bottom:8px;font-size:14px;background:#fff}
.rec .n{width:24px;height:24px;border-radius:7px;background:#f1f2f5;display:grid;place-items:center;font-weight:700;font-size:12px;color:var(--mut);flex:none}
.rec .t{flex:1;font-weight:600;color:var(--ink)}
.tag{white-space:nowrap;flex-shrink:0;font-size:11.5px;font-weight:700;padding:.18rem .5rem;border-radius:99px}
.tag.y{background:#e7f7ef;color:var(--good)}.tag.n{background:#fdecec;color:var(--bad)}
.rec.you{border-color:#c8d1ff;background:#f7f8ff}
.score{position:absolute;right:-18px;bottom:-34px;width:250px;padding:18px}
.score h4{margin:0 0 4px;font-size:12px;letter-spacing:.1em;text-transform:uppercase;color:var(--mut)}
.score .big{font-size:44px;font-weight:800;letter-spacing:-.04em;line-height:1}.score .big small{font-size:16px;color:var(--mut);font-weight:600}
.bars{margin-top:12px;display:grid;gap:7px}
.bar{display:grid;grid-template-columns:78px 1fr;gap:8px;align-items:center;font-size:12px;color:var(--ink2);font-weight:600}
.bar i{height:7px;border-radius:9px;background:#eceef3;position:relative;overflow:hidden}
.bar i:after{content:"";position:absolute;inset:0;width:var(--w);background:linear-gradient(90deg,var(--acc2),var(--acc));border-radius:9px}
.illus{position:absolute;left:0;bottom:-30px;font-size:12px;color:var(--mut)}
/* engines */
.engines{padding:56px 0 24px}
.engines p{text-align:center;color:var(--mut);font-size:14px;font-weight:600;margin:0 0 18px;letter-spacing:.02em}
.elist{display:flex;flex-wrap:wrap;justify-content:center;gap:12px}
.elist span{padding:.6rem 1.1rem;border-radius:99px;background:#fff;border:1px solid var(--line);font-weight:700;font-size:15px;color:var(--ink2)}
/* shelf */
.shelf{display:grid;grid-template-columns:1fr 1fr 1fr;gap:20px;margin-top:52px}
.sc{padding:30px;border-radius:var(--r);background:#fff;border:1px solid var(--line)}
.sc .k{font-size:12px;font-weight:800;letter-spacing:.14em;color:var(--mut)}
.sc h3{font-size:22px;margin:10px 0 8px}.sc p{margin:0;color:var(--ink2);font-size:15.5px}
.sc.win{background:var(--ink);color:#fff;border-color:var(--ink)}.sc.win p{color:#c9ccd8}.sc.win .k{color:#8fa2ff}
.quote{margin:56px auto 0;text-align:center;font-size:clamp(1.6rem,3vw,2.3rem);max-width:820px;line-height:1.25}
/* stages */
.dark{background:#0d0f17;color:#fff;position:relative;overflow:hidden}
.dark:before{content:"";position:absolute;inset:0;background:radial-gradient(700px 400px at 85% 0%,rgba(51,85,255,.32),transparent 70%),radial-gradient(500px 300px at 0% 100%,rgba(92,119,255,.18),transparent 70%)}
.dark .wrap{position:relative}.dark .lead{color:#b8bccb}.dark .eyebrow{color:#8fa2ff}
.stages{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin-top:56px}
.st{padding:26px;border-radius:var(--r);background:rgba(255,255,255,.04);border:1px solid rgba(255,255,255,.1)}
.st .num{font-size:13px;font-weight:800;color:#8fa2ff;letter-spacing:.14em}
.st h3{font-size:26px;margin:10px 0 8px}.st>p{margin:0 0 18px;color:#b8bccb;font-size:15px}
.st ul{list-style:none;margin:0;padding:16px 0 0;border-top:1px solid rgba(255,255,255,.1);display:grid;gap:10px}
.st li{font-size:14.5px;color:#e4e6ee;display:flex;gap:9px}.st li:before{content:"";width:6px;height:6px;border-radius:50%;background:var(--acc2);margin-top:9px;flex:none}
.st li.soon{color:#8b90a3}.st li.soon em{font-style:normal;font-size:11px;font-weight:700;background:rgba(255,255,255,.08);padding:.08rem .45rem;border-radius:99px;margin-left:4px}
/* signals */
.split{display:grid;grid-template-columns:.9fr 1.1fr;gap:64px;align-items:start}
.sig{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.sg{padding:22px;border-radius:16px;background:#fff;border:1px solid var(--line)}
.sg b{display:block;font-size:16.5px;margin-bottom:4px}.sg span{font-size:14.5px;color:var(--ink2)}
.sg .ic{width:34px;height:34px;border-radius:10px;background:var(--accsoft);color:var(--acc);display:grid;place-items:center;margin-bottom:12px}
.sg .ic svg{width:18px;height:18px}
/* who */
.who{display:grid;grid-template-columns:1fr 1fr;gap:20px;margin-top:52px}
.wc{padding:38px;border-radius:24px;background:#fff;border:1px solid var(--line)}
.wc h3{font-size:28px;margin:12px 0 10px}.wc p{color:var(--ink2);margin:0 0 18px}
.wc ul{margin:0;padding:0;list-style:none;display:grid;gap:10px}.wc li{display:flex;gap:10px;font-size:15.5px}
.wc li:before{content:"✓";color:var(--acc);font-weight:800}
.wc.alt{background:linear-gradient(160deg,#eef1ff,#fff 60%)}
/* steps */
.steps{counter-reset:s;display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin-top:52px}
.sp{counter-increment:s;padding:26px;border-radius:var(--r);border:1px dashed #cfd3de;background:rgba(255,255,255,.6)}
.sp:before{content:counter(s,decimal-leading-zero);display:block;font-family:"Instrument Serif",Georgia,serif;font-style:italic;font-size:40px;color:var(--acc);line-height:1;margin-bottom:12px}
.sp b{display:block;font-size:17px;margin-bottom:4px}.sp span{font-size:15px;color:var(--ink2)}
/* case */
.case{display:grid;grid-template-columns:1fr 1fr;gap:0;border-radius:28px;overflow:hidden;background:#fff;border:1px solid var(--line)}
.case .l{padding:48px;background:linear-gradient(150deg,#3355ff,#1e2fb8);color:#fff}
.case .l .eyebrow{color:#cdd5ff}.case .l h3{font-size:clamp(1.6rem,3vw,2.2rem);margin:14px 0 0}
.case .r{padding:48px;color:var(--ink2)}.case .r p{margin:0 0 14px}
.badge{display:inline-flex;margin-top:22px;padding:.5rem .9rem;border-radius:12px;background:rgba(255,255,255,.14);font-weight:700;font-size:14px}
.src{font-size:13px;color:var(--mut)}.src a{color:var(--acc)}
/* faq */
.faq{max-width:820px;margin:48px auto 0}
details.qa{border-bottom:1px solid var(--line);padding:6px 0}
details.qa summary{list-style:none;cursor:pointer;display:flex;justify-content:space-between;gap:20px;align-items:center;padding:18px 0}
details.qa summary::-webkit-details-marker{display:none}
details.qa summary h3{font-size:18.5px;font-weight:650;letter-spacing:-.01em;line-height:1.35}
details.qa summary:after{content:"+";font-size:26px;font-weight:400;color:var(--acc);transition:transform .2s;flex:none}
details.qa[open] summary:after{transform:rotate(45deg)}
details.qa p{margin:0 0 20px;color:var(--ink2);max-width:720px}
/* cta */
.final{padding:0 0 96px}
.cta{border-radius:32px;padding:72px 40px;text-align:center;color:#fff;background:radial-gradient(600px 300px at 50% 0%,rgba(143,162,255,.5),transparent 70%),#0d0f17;position:relative;overflow:hidden}
.cta h2{font-size:clamp(2.1rem,4.6vw,3.6rem)}.cta p{color:#c4c8d6;max-width:560px;margin:18px auto 30px}
.cta .ctas{justify-content:center}.cta .btn-g{background:transparent;color:#fff;border-color:rgba(255,255,255,.25)}
footer{border-top:1px solid var(--line);padding:40px 0 48px;font-size:14px;color:var(--mut)}
footer .wrap{display:flex;flex-wrap:wrap;gap:20px 40px;align-items:center;justify-content:space-between}
footer nav{display:flex;flex-wrap:wrap;gap:22px}footer a{text-decoration:none;color:var(--ink2)}footer a:hover{color:var(--acc)}
@media (max-width:980px){
 .hero .wrap,.split,.case{grid-template-columns:1fr}.hero .wrap{gap:72px}
 .stages{grid-template-columns:1fr 1fr}.links{display:none}
 .score{right:8px}
}
@media (max-width:720px){
 section{padding:72px 0}.hero{padding-top:40px}
 .shelf,.who,.steps,.stages,.sig{grid-template-columns:1fr}
 .login{display:none}.logo small{display:none}
 .case .l,.case .r,.wc{padding:30px}
 .score{position:relative;right:auto;bottom:auto;width:auto;margin-top:14px}.illus{position:static;margin-top:10px}
 .cta{padding:56px 22px;border-radius:24px}
 .ctas .btn{flex:1;justify-content:center}
}
@media (prefers-reduced-motion:reduce){*{transition:none!important;scroll-behavior:auto!important}}
.links a[aria-current]{color:var(--ink);font-weight:700}
.bhero{padding:72px 0 28px}.bhero h1{font-size:clamp(2.3rem,5vw,3.9rem);font-weight:800;max-width:900px}.bhero p{color:var(--ink2);max-width:640px;font-size:1.1rem;margin:16px 0 0}
.filters{display:flex;flex-wrap:wrap;gap:8px;margin:28px 0 8px}.filters button{font:inherit;font-size:14px;font-weight:600;padding:.45rem .85rem;border-radius:999px;border:1px solid var(--line);background:#fff;color:var(--ink2);cursor:pointer}
.filters button[aria-pressed=true]{background:var(--ink);color:#fff;border-color:var(--ink)}
.plist{display:grid;gap:18px;padding:24px 0 96px}
.pcard{display:block;text-decoration:none;background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:28px;transition:border-color .15s,transform .15s}
.pcard:hover{border-color:#c9ccd6;transform:translateY(-2px)}.pcard h2{font-size:clamp(1.3rem,2.4vw,1.75rem);font-weight:700;margin:10px 0}
.pcard p{color:var(--ink2);margin:0}.meta{font-size:14px;color:var(--mut)}.meta b{color:var(--ink2);font-weight:600}
.tags{display:flex;flex-wrap:wrap;gap:6px;margin-top:14px}.tags span{font-size:12.5px;font-weight:600;color:var(--acc);background:var(--accsoft);padding:.2rem .6rem;border-radius:999px}
article.post{max-width:760px;margin:0 auto;padding:48px 24px 40px}
.crumbs{font-size:14px;color:var(--mut)}.crumbs a{color:var(--mut)}
article.post h1{font-size:clamp(2rem,4.6vw,3.1rem);font-weight:800;margin:18px 0 16px;line-height:1.08}
article.post h2{font-size:clamp(1.45rem,3vw,1.9rem);margin:52px 0 14px;line-height:1.2;scroll-margin-top:88px}
article.post p,article.post li{color:#22252d;font-size:18px;line-height:1.7}article.post p{margin:0 0 18px}
article.post ul{padding-left:1.2rem;margin:0 0 18px}article.post li{margin:0 0 10px}
.body a,.tldr a{color:var(--acc);text-decoration-thickness:1px;text-underline-offset:3px}
.tldr{background:var(--accsoft);border:1px solid #d9dfff;border-radius:var(--r);padding:22px 24px;margin:26px 0 34px}
.tldr h2{font-size:13px!important;letter-spacing:.12em;text-transform:uppercase;color:var(--acc);margin:0 0 10px!important}
.tldr ul{margin:0;padding-left:1.1rem}.tldr li{font-size:16.5px!important;margin:0 0 8px!important}
.chart,.tool{margin:30px 0 34px;padding:22px;background:#fff;border:1px solid var(--line);border-radius:var(--r)}
.chart figcaption,.tool-h{font-weight:700;font-size:16px;line-height:1.35;margin:0 0 16px;color:var(--ink)}
.hbars{display:grid;gap:14px}.hb{display:grid;grid-template-columns:1fr 54px;gap:4px 12px;align-items:center}
.hb-l{grid-column:1/-1;font-size:14.5px;color:var(--ink2);line-height:1.35}.hb-t{height:14px;background:#eef0f5;border-radius:99px;overflow:hidden}
.hb-t i{display:block;height:100%;background:#9aa8ff;border-radius:99px;transition:width .6s}.hb b{font-size:15px;text-align:right}
.hb-hl .hb-t i{background:var(--acc)}.hb-hl .hb-l{color:var(--ink);font-weight:700}.hb-alt .hb-t i{background:var(--ink)}
.tabs{display:flex;flex-wrap:wrap;gap:6px;margin:-4px 0 14px}.tabs button{font:inherit;font-size:13.5px;font-weight:600;padding:.4rem .8rem;border-radius:10px;border:1px solid var(--line);background:#fafaf8;cursor:pointer;color:var(--ink2)}
.tabs button[aria-selected=true]{background:var(--acc);border-color:var(--acc);color:#fff}
.donut-row{display:grid;grid-template-columns:190px 1fr;gap:26px;align-items:center}.donut-svg{width:190px;height:190px}.donut-svg circle{transition:stroke-dasharray .5s,stroke-dashoffset .5s}
.dv{font-size:7px;font-weight:800;fill:var(--ink)}
.legend{list-style:none;margin:0;padding:0!important}.legend li{display:grid;grid-template-columns:14px 1fr auto;gap:10px;align-items:center;font-size:15px!important;margin:0 0 10px!important}
.legend i{width:14px;height:14px;border-radius:4px}.legend b{font-size:17px}
.note{font-size:14px!important;color:var(--mut)!important;margin:14px 0 0!important}.src{font-size:13px!important;color:var(--mut)!important;margin:12px 0 0!important}.src a{color:var(--mut)}
.tl{list-style:none;margin:0;padding:0 0 0 18px!important;border-left:2px solid #d9dfff}.tl li{position:relative;margin:0 0 18px!important;font-size:15.5px!important;line-height:1.5!important}
.tl li:before{content:"";position:absolute;left:-25px;top:6px;width:12px;height:12px;border-radius:50%;background:var(--acc);box-shadow:0 0 0 4px #fff}
.tl time{display:block;font-size:12.5px;font-weight:700;letter-spacing:.06em;text-transform:uppercase;color:var(--acc)}.tl b{margin-right:6px}.tl a{color:var(--mut);font-size:13px}
.chk ol{margin:0;padding:0!important;list-style:none;counter-reset:c}.chk li{margin:0 0 6px!important;font-size:16px!important}
.chk label{display:grid;grid-template-columns:22px 1fr;gap:12px;padding:10px 12px;border-radius:12px;cursor:pointer;line-height:1.45}.chk label:hover{background:#fafaf8}
.chk input{width:20px;height:20px;margin:2px 0 0;accent-color:var(--acc)}.chk input:checked+span{color:var(--mut);text-decoration:line-through;text-decoration-color:#c9ccd6}
.meter{height:10px;background:#eef0f5;border-radius:99px;overflow:hidden;margin:14px 0 10px}.meter i{display:block;height:100%;width:0;background:linear-gradient(90deg,var(--acc),var(--good));transition:width .3s}
.ck-score{margin:0!important;font-size:16px!important}
.wt label{display:block;font-size:14px;font-weight:600;color:var(--ink2);margin:12px 0 6px}
.wt textarea,.wt input{width:100%;font:inherit;font-size:15.5px;line-height:1.55;padding:12px 14px;border:1px solid var(--line);border-radius:12px;background:#fcfcfb;color:var(--ink)}
.wt textarea:focus,.wt input:focus{outline:2px solid var(--accsoft);border-color:var(--acc2)}
.wt-out{margin-top:16px;padding:16px;border-radius:12px;background:#fafaf8;border:1px dashed #cfd3de;font-size:15.5px;line-height:1.65}
.wt-out mark{background:#dfe5ff;color:var(--ink);padding:1px 0;border-radius:3px}.wt-out .cut{color:#9a9eab}
.wt-res{list-style:none;padding:0!important;margin:12px 0 0!important}.wt-res li{font-size:15px!important;margin:0 0 4px!important}.ok{color:var(--good);font-weight:700}.miss{color:var(--bad);font-weight:700}
.faqs{margin-top:48px}.sources{margin-top:44px;padding-top:24px;border-top:1px solid var(--line)}.sources h2{font-size:1.2rem!important;margin:0 0 12px!important}
.sources ol{padding-left:1.2rem}.sources li{font-size:15px!important;color:var(--ink2)!important;margin:0 0 8px!important}.sources a{color:var(--ink2)}
.byline{display:flex;flex-wrap:wrap;gap:6px 14px;font-size:14.5px;color:var(--mut)}.byline b{color:var(--ink);font-weight:700}
.pcta{margin:52px 0 0;padding:30px;border-radius:24px;color:#fff;background:radial-gradient(400px 220px at 80% 0%,rgba(143,162,255,.5),transparent 70%),#0d0f17}
.pcta h2{color:#fff;margin:0 0 8px!important;font-size:1.6rem!important}.pcta p{color:#c4c8d6!important;font-size:16px!important}.pcta .ctas{display:flex;flex-wrap:wrap;gap:10px;margin-top:16px}
.pcta .btn-g{background:transparent;color:#fff;border-color:rgba(255,255,255,.25)}
.more{max-width:760px;margin:0 auto;padding:0 24px 80px}.more h2{font-size:1.3rem;margin:0 0 14px}
@media (max-width:720px){.donut-row{grid-template-columns:1fr}.donut-fig{display:flex;justify-content:center}.chart,.tool{padding:18px}article.post p,article.post li{font-size:17px}.pcta .btn{flex:1;justify-content:center}}