:root{--bg:#020406;--ink:#f4f8fb;--muted:#aab5bf;--blue:#168cff;--blue2:#59c8ff;--green:#66df45;--green2:#9bff75;--glass:rgba(4,10,15,.82);--line:rgba(244,248,251,.1);--radius:16px;--maxw:1180px}
*,*:before,*:after{box-sizing:border-box}
html{background:var(--bg)}
body{margin:0;min-height:100svh;background:var(--bg);color:var(--ink);font-family:Inter,ui-sans-serif,system-ui,-apple-system,"Segoe UI",Arial,sans-serif;line-height:1.5;overflow-x:hidden}
img{max-width:100%;display:block}
a{color:inherit}
button,input,textarea{font:inherit;color:inherit}
.page{min-height:100svh;position:relative;isolation:isolate;background:radial-gradient(900px 560px at 20% 10%,rgba(22,140,255,.14),transparent 60%),radial-gradient(820px 520px at 85% 15%,rgba(102,223,69,.10),transparent 60%),linear-gradient(#010203,#020609 55%,#010203)}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 24px}

/* logo mark: conic-gradient ring with punched-out centre */
.opupO{display:inline-grid;place-items:center;position:relative;vertical-align:-.12em;border-radius:50%;width:.86em;height:.86em;margin-right:.06em;background:conic-gradient(from 218deg,var(--blue) 0 34%,var(--blue2) 39%,var(--green) 56% 80%,var(--blue) 88% 100%);box-shadow:0 0 14px rgba(22,140,255,.42),0 0 16px rgba(102,223,69,.18)}
.opupO:before{content:"";position:absolute;inset:13%;border-radius:50%;background:#f7f9fb}
.opupO:after{content:"";position:absolute;inset:31%;border-radius:50%;background:var(--bg)}
.wordmark{font-weight:850;letter-spacing:.02em;white-space:nowrap}
.wordmark .p{color:var(--blue)}
.wordmark .u{color:var(--green)}
.wordmark .ai{background:linear-gradient(90deg,var(--blue),var(--green));-webkit-background-clip:text;background-clip:text;color:transparent}

/* header */
header.site{position:sticky;top:0;z-index:20;background:rgba(2,4,6,.72);backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}
header.site .bar{display:flex;align-items:center;justify-content:space-between;gap:18px;padding:16px 24px;max-width:var(--maxw);margin:0 auto}
header.site .brand{display:flex;align-items:center;font-size:22px;text-decoration:none}
nav.mainnav{display:flex;align-items:center;gap:28px}
nav.mainnav a{text-decoration:none;color:var(--muted);font-weight:600;font-size:14px;transition:color .15s}
nav.mainnav a:hover,nav.mainnav a.active{color:var(--ink)}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border-radius:999px;padding:11px 22px;font-weight:700;font-size:14px;text-decoration:none;border:1px solid transparent;cursor:pointer;transition:transform .15s,box-shadow .15s}
.btn:active{transform:scale(.97)}
.btn-primary{background:linear-gradient(90deg,var(--blue),var(--green));color:#04110a;box-shadow:0 6px 20px rgba(22,140,255,.28)}
.btn-primary:hover{box-shadow:0 8px 26px rgba(22,140,255,.4)}
.btn-ghost{background:transparent;border-color:var(--line);color:var(--ink)}
.btn-ghost:hover{border-color:var(--blue2)}
.navToggle{display:none;background:none;border:1px solid var(--line);border-radius:10px;padding:8px 10px;color:var(--ink)}

/* hero */
main.hero{max-width:var(--maxw);margin:0 auto;padding:64px 24px 40px;text-align:center;position:relative}
main.hero h1{font-size:clamp(34px,6vw,64px);font-weight:850;letter-spacing:-.01em;margin:0 0 14px}
main.hero .sub{font-size:clamp(17px,2.4vw,22px);color:var(--ink);margin:0 auto 8px;max-width:640px}
main.hero .supporting{color:var(--muted);font-size:15px;margin:0 auto 40px;max-width:520px}
.globeWrap{position:relative;width:min(420px,70vw);aspect-ratio:1/1;margin:0 auto 8px;border-radius:50%;background:radial-gradient(circle at 34% 30%,rgba(89,200,255,.5),transparent 55%),radial-gradient(circle at 68% 66%,rgba(102,223,69,.35),transparent 55%),radial-gradient(circle at 50% 50%,rgba(22,140,255,.14),transparent 70%);filter:blur(0.3px);opacity:.85;pointer-events:none}
.globeWrap:before{content:"";position:absolute;inset:8%;border-radius:50%;border:1px solid rgba(244,248,251,.14)}
.globeWrap:after{content:"";position:absolute;inset:22%;border-radius:50%;border:1px solid rgba(244,248,251,.09)}

/* chat composer */
.chatCard{max-width:640px;margin:0 auto;background:var(--glass);border:1px solid var(--line);border-radius:var(--radius);padding:14px;box-shadow:0 20px 60px rgba(0,0,0,.4)}
.thread{max-height:320px;overflow-y:auto;padding:6px 6px 12px;display:flex;flex-direction:column;gap:12px;text-align:left}
.thread:empty{display:none}
.msg{max-width:88%;padding:11px 15px;border-radius:14px;font-size:14.5px;line-height:1.45}
.msg.user{align-self:flex-end;background:linear-gradient(90deg,var(--blue),var(--blue2));color:#04101c;border-bottom-right-radius:4px}
.msg.ai{align-self:flex-start;background:rgba(244,248,251,.06);border:1px solid var(--line);color:var(--ink);border-bottom-left-radius:4px;white-space:pre-wrap}
.msg.ai img{border-radius:10px;margin-top:8px}
.thinking{display:flex;align-items:center;gap:8px;color:var(--muted);font-size:13px;padding:0 6px 8px}
.thinking .dot{width:7px;height:7px;border-radius:50%;background:var(--green);animation:pulse 1.1s ease-in-out infinite}
@keyframes pulse{0%,100%{opacity:.3;transform:scale(.85)}50%{opacity:1;transform:scale(1.05)}}
.composer{display:flex;align-items:center;gap:10px;background:rgba(255,255,255,.04);border:1px solid var(--line);border-radius:999px;padding:8px 8px 8px 18px}
.composer .spark{color:var(--blue2);font-size:16px}
.composer input{flex:1;background:none;border:none;outline:none;color:var(--ink);font-size:15px;padding:8px 0}
.composer input::placeholder{color:var(--muted)}
.composer .send{width:40px;height:40px;border-radius:50%;border:none;background:linear-gradient(90deg,var(--blue),var(--green));color:#04110a;font-size:18px;cursor:pointer;display:grid;place-items:center;flex-shrink:0}
.composer .send:disabled{opacity:.5;cursor:default}
.hint{color:var(--muted);font-size:12.5px;margin-top:12px}

/* four-box explainer */
.explainer{max-width:var(--maxw);margin:64px auto;padding:0 24px;display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.explainer .box{background:rgba(244,248,251,.04);border:1px solid var(--line);border-radius:14px;padding:22px 18px}
.explainer .box b{display:block;font-size:12px;letter-spacing:.08em;color:var(--blue2);margin-bottom:10px}
.explainer .box p{margin:0;color:var(--ink);font-size:14.5px;line-height:1.5}

/* generic sections */
section.block{max-width:var(--maxw);margin:0 auto;padding:56px 24px}
section.block.narrow{max-width:820px}
.eyebrow{color:var(--blue2);font-size:13px;font-weight:700;letter-spacing:.1em;text-transform:uppercase;margin:0 0 12px}
h2{font-size:clamp(26px,4vw,38px);font-weight:800;margin:0 0 16px;letter-spacing:-.01em}
.lede{color:var(--muted);font-size:17px;max-width:640px;margin:0 0 32px}
.pillrow{display:flex;flex-wrap:wrap;gap:10px;margin:0 0 32px}
.pill{border:1px solid var(--line);border-radius:999px;padding:8px 16px;font-size:13.5px;color:var(--ink);background:rgba(244,248,251,.04)}
.cards{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}
.card{background:rgba(244,248,251,.04);border:1px solid var(--line);border-radius:14px;padding:24px}
.card h3{margin:0 0 8px;font-size:17px}
.card p{margin:0;color:var(--muted);font-size:14.5px;line-height:1.55}
.steps{counter-reset:step;display:grid;gap:14px;margin:0 0 32px}
.steps li{list-style:none;counter-increment:step;position:relative;padding-left:44px;color:var(--ink);font-size:15px;line-height:1.5}
.steps li:before{content:counter(step);position:absolute;left:0;top:0;width:30px;height:30px;border-radius:50%;background:linear-gradient(135deg,var(--blue),var(--green));color:#04110a;font-weight:800;font-size:13px;display:grid;place-items:center}
blockquote.pullquote{font-size:clamp(22px,3.4vw,32px);font-weight:750;line-height:1.35;border-left:3px solid var(--blue2);padding-left:24px;margin:32px 0;color:var(--ink)}
.trustline{color:var(--muted);font-size:14.5px}
.ctaBox{max-width:520px;margin:40px auto 0;background:rgba(244,248,251,.04);border:1px solid var(--line);border-radius:var(--radius);padding:28px;text-align:center}
.ctaBox form{display:flex;gap:8px;margin-top:16px}
.ctaBox input[type=email]{flex:1;background:rgba(255,255,255,.05);border:1px solid var(--line);border-radius:999px;padding:12px 18px;color:var(--ink)}
.ctaBox input[type=email]::placeholder{color:var(--muted)}
.formNote{font-size:12.5px;color:var(--muted);margin-top:10px}

/* footer */
footer.site{border-top:1px solid var(--line);margin-top:60px}
footer.site .wrap{padding:40px 24px;display:flex;flex-wrap:wrap;justify-content:space-between;gap:24px;align-items:flex-start}
footer.site .brand{font-size:18px;display:flex;align-items:center;margin-bottom:8px}
footer.site .tag{color:var(--muted);font-size:13.5px;max-width:280px}
footer.site .contact{color:var(--muted);font-size:13.5px}
footer.site .contact a{color:var(--blue2);text-decoration:none}
.ecosystem{display:flex;flex-wrap:wrap;gap:10px}
.ecosystem .pill{font-size:12.5px;padding:7px 14px}
footer.site .bottom{border-top:1px solid var(--line);padding:16px 24px;text-align:center;color:var(--muted);font-size:12.5px}

@media (max-width:860px){
.explainer{grid-template-columns:repeat(2,1fr)}
.cards{grid-template-columns:1fr}
nav.mainnav{position:fixed;top:64px;left:0;right:0;background:#04070a;border-bottom:1px solid var(--line);flex-direction:column;align-items:flex-start;padding:18px 24px;gap:16px;transform:translateY(-130%);opacity:0;transition:transform .2s,opacity .2s;pointer-events:none}
nav.mainnav.open{transform:translateY(0);opacity:1;pointer-events:auto}
.navToggle{display:inline-flex}
}
@media (max-width:560px){
.explainer{grid-template-columns:1fr}
main.hero{padding:44px 18px 28px}
.ctaBox form{flex-direction:column}
}