:root{--ink:#070a12;--panel:#0d1322;--panel2:#111a2e;--line:#1e2a44;--text:#e6edf7;--body:#b9c6d9;--mute:#8d9bb0;--blue:#2f80ff;--blue2:#5aa2ff;--cyan:#5ad1e6;--warn:#ffd666}
*{box-sizing:border-box}html{-webkit-text-size-adjust:100%}
body{margin:0;font:16px/1.65 Inter,system-ui,sans-serif;color:var(--body);background:var(--ink)}
.w{max-width:1180px;margin:0 auto;padding:0 24px}
h1,h2,h3{font-family:'Space Grotesk',Inter,sans-serif;color:var(--text);line-height:1.12;margin:0 0 .5em}
h1{font-size:clamp(32px,4.6vw,58px);font-weight:700;letter-spacing:-.02em}h2{font-size:clamp(24px,3vw,36px);font-weight:500}h3{font-size:19px;font-weight:500}
a{color:var(--blue2)}p{margin:0 0 1em}
.nav{position:sticky;top:0;z-index:5;background:rgba(7,10,18,.92);backdrop-filter:blur(6px);border-bottom:1px solid var(--line)}.nav .w{display:flex;align-items:center;gap:22px;height:62px}
.brand{color:var(--text);text-decoration:none;font-family:'Space Grotesk',sans-serif;font-weight:300;font-size:19px;display:flex;align-items:center;gap:10px;margin-right:auto}
.brand b{font-weight:700}.mark{width:16px;height:16px;background:conic-gradient(var(--blue) 0 25%,transparent 0 50%,var(--blue) 0 75%,transparent 0);border:1px solid var(--blue)}
.nav nav{display:flex;gap:20px}.nav nav a{color:var(--mute);text-decoration:none;font-size:14px}.nav nav a:hover,.nav nav a[aria-current]{color:var(--text)}
.btn{display:inline-block;border:1px solid var(--blue);color:var(--text);padding:10px 18px;border-radius:3px;text-decoration:none;font-weight:500;font-size:15px;margin:0 10px 10px 0;background:none;cursor:pointer;font-family:inherit}
.btn.p{background:var(--blue);color:#fff}.btn.p:hover{background:#1f6ef0}.btn.sm{padding:6px 13px;font-size:13px;margin:0}
.btn:focus-visible,select:focus-visible,input:focus-visible,textarea:focus-visible{outline:2px solid var(--cyan);outline-offset:2px}
section{padding:76px 0;border-top:1px solid var(--line)}section.alt{background:var(--panel)}
.k{font-family:'Space Grotesk',sans-serif;font-size:12px;letter-spacing:.2em;text-transform:uppercase;color:var(--cyan);margin-bottom:12px}
.fine{font-size:13px;color:var(--mute)}.sub{max-width:780px;color:var(--mute);font-size:17px}
.tag{display:inline-block;font-size:10.5px;letter-spacing:.14em;text-transform:uppercase;border:1px solid var(--cyan);color:var(--cyan);padding:2px 7px;border-radius:2px;font-weight:500;vertical-align:middle;font-family:'Space Grotesk',sans-serif}
.tag.dev{border-color:var(--warn);color:var(--warn)}
.hero{padding:44px 0 56px;border-top:0}.hero-grid{display:grid;grid-template-columns:minmax(0,1.35fr) minmax(0,1fr);gap:40px;align-items:center}
.hero .lead{font-size:19px}.hero h1{font-size:clamp(32px,3.6vw,46px)}
.lab{background:var(--panel);border:1px solid var(--line);border-radius:6px;overflow:hidden}
.lab canvas{display:block;width:100%;height:auto;aspect-ratio:2/1;cursor:crosshair;background:#070a12;touch-action:none}
.lab-bar{display:flex;flex-wrap:wrap;gap:8px 12px;align-items:center;padding:10px 12px;border-bottom:1px solid var(--line);font-size:13px}
.lab-bar select,.lab-bar input[type=range]{accent-color:var(--blue)}.lab-bar select{background:var(--ink);color:var(--text);border:1px solid var(--line);border-radius:3px;padding:5px 8px;font:inherit;font-size:13px}
.lab-bar label{display:flex;align-items:center;gap:8px;color:var(--mute)}.lab-bar .grow{flex:1}
.seg{display:inline-flex}.seg button{background:var(--ink);color:var(--mute);border:1px solid var(--line);padding:5px 10px;font:inherit;font-size:12.5px;cursor:pointer;margin-left:-1px}
.seg button.on{color:#fff;border-color:var(--blue);background:#0f2a57;position:relative}
.readout{display:grid;grid-template-columns:repeat(4,1fr);border-top:1px solid var(--line);font-family:'Space Grotesk',sans-serif}
.readout div{padding:9px 12px;border-right:1px solid var(--line)}.readout div:last-child{border-right:0}.readout b{display:block;color:var(--text);font-size:18px;font-weight:500}
.readout span{font-size:10.5px;letter-spacing:.12em;text-transform:uppercase;color:var(--mute)}
.lab-note{padding:10px 12px;border-top:1px solid var(--line);font-size:12.5px;color:var(--mute)}
.proof{border:1px solid var(--line);background:var(--panel);border-radius:6px;padding:20px 22px;margin:30px 0 0}
.pf-head{display:flex;gap:12px;align-items:center;flex-wrap:wrap;font-size:13px;color:var(--mute);margin-bottom:14px}
.pf-row{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.pf b{display:block;font-family:'Space Grotesk',sans-serif;font-size:30px;color:var(--blue2);font-weight:700}
.pf span{font-size:14px}.honest{font-size:13px;color:var(--mute);margin:14px 0 0}
.flow{display:grid;grid-template-columns:repeat(3,1fr);gap:0;border:1px solid var(--line);border-radius:6px;overflow:hidden;margin-top:26px}
.flow>div{padding:24px;border-right:1px solid var(--line);background:var(--panel)}.flow>div:last-child{border-right:0}.flow .n{color:var(--blue2);font-family:'Space Grotesk',sans-serif;font-size:13px}
.caps{display:grid;grid-template-columns:repeat(auto-fit,minmax(270px,1fr));gap:16px;margin-top:26px}
.cap{border:1px solid var(--line);border-radius:6px;padding:22px;background:var(--panel)}.cap p{font-size:15px}
.methods{margin:10px 0 0;padding-left:18px;font-size:14px;color:var(--mute)}.methods li{margin:3px 0}.devnote{font-size:13px;color:var(--warn);margin-top:10px}.caps+p{margin-top:18px}
.steps{list-style:none;padding:0;margin:28px 0 0;display:grid;grid-template-columns:repeat(5,1fr);border:1px solid var(--line);border-radius:6px;overflow:hidden}
.steps li{padding:20px;border-right:1px solid var(--line);background:var(--panel)}.steps li:last-child{border-right:0}.steps .n{font-family:'Space Grotesk',sans-serif;color:var(--blue2);font-size:13px}
.steps h3{margin:6px 0}.steps p{font-size:14px;margin:0}
.split2{display:grid;grid-template-columns:1fr 1fr;gap:40px;align-items:start}
.den{margin:0;border:1px solid var(--line);border-radius:6px;overflow:hidden;background:var(--ink)}.den img{width:100%;height:auto;display:block}
.den figcaption{padding:12px 16px;font-size:14px;border-top:1px solid var(--line)}
.facts{padding-left:18px}.facts li{margin:4px 0}
.t{width:100%;border-collapse:collapse;font-size:14px;margin:18px 0 8px}.t caption{text-align:left;font-size:13px;color:var(--mute);padding-bottom:6px}
.t th,.t td{border-bottom:1px solid var(--line);padding:8px 6px;text-align:left}.t th{font-weight:500;color:var(--text);font-size:13px}
.code{background:#050810;border:1px solid var(--line);color:#b9d4ff;border-radius:6px;padding:18px;overflow:auto;font-size:12.5px;line-height:1.5}
.eq{font-family:'Space Grotesk',sans-serif;background:var(--panel2);border-left:3px solid var(--blue);padding:14px 18px;margin:12px 0 18px;color:var(--text);font-size:17px;overflow-x:auto}
.eq i{font-family:Georgia,'Times New Roman',serif}.eq small{display:block;color:var(--mute);font-family:Inter,sans-serif;font-size:13px;margin-top:6px}
.faq details{border-bottom:1px solid var(--line);padding:14px 0}.faq summary{cursor:pointer;font-weight:500;color:var(--text)}.faq p{margin:10px 0 0;font-size:15px}
.cta{background:linear-gradient(135deg,#0b1f45 0,#070a12 70%)}.cta .btn.p{background:var(--blue)}
.page-head{padding:70px 0 40px;border-top:0}.page-head .lead{font-size:19px;max-width:800px}
.form{display:grid;gap:14px}.form label{display:grid;gap:6px;font-size:14px;color:var(--text);font-weight:500}
.form input,.form textarea{font:inherit;border:1px solid var(--line);border-radius:3px;padding:10px 12px;color:var(--text);background:var(--panel)}
.sent{color:var(--cyan)}.aside{background:var(--panel);border:1px solid var(--line);border-radius:6px;padding:24px}
.foot{border-top:1px solid var(--line);padding:28px 0;font-size:14px;color:var(--mute)}.foot .w{display:flex;flex-wrap:wrap;gap:8px 20px;align-items:center}.foot .brand{font-size:16px;margin-right:auto}
.foot .fine{width:100%;margin:6px 0 0}
@media(max-width:940px){.hero-grid,.split2{grid-template-columns:1fr}.steps,.flow{grid-template-columns:1fr}.steps li,.flow>div{border-right:0;border-bottom:1px solid var(--line)}.pf-row{grid-template-columns:1fr}.readout{grid-template-columns:1fr 1fr}.nav nav{display:none}}