:root{--dark:#0B1120;--navy:#0F172A;--blue:#2563EB;--cyan:#06B6D4;--indigo:#4F46E5;--sb:#EAF2FF;--sc:#ECFEFF;--bg:#F8FAFC;--text:#111827;--muted:#64748B;--line:#E2E8F0;--r:14px;--mono:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;scroll-padding-top:76px}
body{font-family:Inter,system-ui,-apple-system,"Segoe UI",sans-serif;color:var(--text);background:#fff;line-height:1.6;overflow-x:hidden;-webkit-font-smoothing:antialiased}
h1,h2,h3{font-family:Manrope,Inter,system-ui,sans-serif;line-height:1.12;letter-spacing:-.02em}
img{max-width:100%;display:block}a{color:inherit}
:focus-visible{outline:3px solid var(--cyan);outline-offset:3px;border-radius:6px}
.wrap{width:min(1180px,100% - 40px);margin:auto}
.skip{position:absolute;left:-999px;top:8px;background:#fff;padding:8px 14px;z-index:99}.skip:focus{left:8px}
section{padding:96px 0}
.dark{background:var(--dark);color:#E2E8F0}.dark h2,.dark h3{color:#fff}.dark .lead{color:#94A3B8}
.light{background:var(--bg)}
h2{font-size:clamp(1.9rem,4vw,2.9rem);font-weight:800;margin-bottom:16px}
h3{font-size:1.1rem;font-weight:700;margin-bottom:6px}
.lead{color:var(--muted);font-size:1.1rem;max-width:660px}
.head{margin-bottom:48px}.head.c{text-align:center}.head.c .lead{margin:auto}
.badge{display:inline-block;font-size:.82rem;font-weight:600;color:#67E8F9;border:1px solid rgba(6,182,212,.4);background:rgba(6,182,212,.1);padding:5px 14px;border-radius:99px;margin-bottom:22px}
.badge.l{color:var(--blue);border-color:#BFDBFE;background:var(--sb)}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;font:600 .95rem Inter,sans-serif;padding:13px 24px;border-radius:10px;border:1px solid transparent;text-decoration:none;cursor:pointer;transition:transform .15s,background .15s}
.btn:hover{transform:translateY(-1px)}
.btn-p{background:linear-gradient(135deg,var(--blue),var(--indigo));color:#fff;box-shadow:0 8px 24px rgba(37,99,235,.35)}
.btn-s{background:transparent;color:#E2E8F0;border-color:rgba(148,163,184,.4)}.btn-s:hover{background:rgba(255,255,255,.07)}
.btn-o{background:#fff;color:var(--text);border-color:var(--line)}
.sm{padding:9px 16px;font-size:.88rem}
/* header */
header{position:sticky;top:0;z-index:50;background:rgba(11,17,32,.88);backdrop-filter:blur(12px);border-bottom:1px solid rgba(148,163,184,.15)}
.nav{display:flex;align-items:center;justify-content:space-between;height:68px;gap:16px}
.logo{display:flex;align-items:center;gap:10px;font:800 1.15rem Manrope,sans-serif;color:#fff;text-decoration:none}
nav ul{display:flex;gap:26px;list-style:none}
nav a{color:#CBD5E1;text-decoration:none;font-size:.92rem;font-weight:500}nav a:hover{color:#fff}
.nr{display:flex;gap:10px;align-items:center}
.burger{display:none;background:none;border:1px solid rgba(148,163,184,.4);color:#fff;border-radius:8px;width:42px;height:42px;font-size:1.3rem;cursor:pointer}
/* hero */
.hero{background:radial-gradient(900px 500px at 85% 0,rgba(37,99,235,.28),transparent 60%),radial-gradient(600px 400px at 0 100%,rgba(6,182,212,.14),transparent 60%),var(--dark);padding:84px 0 96px;position:relative;color:#CBD5E1}
.hero:before,.grid-bg:before{content:"";position:absolute;inset:0;background-image:linear-gradient(rgba(148,163,184,.07) 1px,transparent 1px),linear-gradient(90deg,rgba(148,163,184,.07) 1px,transparent 1px);background-size:44px 44px;mask-image:linear-gradient(#000,transparent 85%);-webkit-mask-image:linear-gradient(#000,transparent 85%);pointer-events:none}
.hero .wrap{position:relative;display:grid;grid-template-columns:1fr 1.1fr;gap:56px;align-items:center}
.hero h1{font-size:clamp(2.3rem,5vw,3.8rem);font-weight:800;color:#fff;margin-bottom:20px}
.hero p.lead{color:#94A3B8;margin-bottom:30px}
.cta{display:flex;gap:12px;flex-wrap:wrap;margin-bottom:18px}
.note{font-size:.85rem;color:#64748B}
/* mock UI */
.ui{background:#fff;color:var(--text);border-radius:16px;border:1px solid rgba(148,163,184,.3);box-shadow:0 30px 80px rgba(0,0,0,.45);overflow:hidden;position:relative}
.bar{display:flex;align-items:center;gap:6px;padding:11px 14px;background:#F1F5F9;border-bottom:1px solid var(--line);font:.75rem var(--mono);color:var(--muted)}
.bar i{width:10px;height:10px;border-radius:50%;background:#CBD5E1}.bar span{margin-left:10px}
.ub{padding:18px}
.row{display:flex;gap:10px;flex-wrap:wrap;align-items:center;margin-bottom:12px}
.in{flex:1;min-width:150px;border:1px solid var(--line);border-radius:8px;padding:9px 12px;font:.8rem var(--mono);background:#F8FAFC;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.lab{font-size:.72rem;font-weight:600;color:var(--muted);display:block;margin-bottom:4px}
.pill{font-size:.72rem;font-weight:600;padding:3px 10px;border-radius:99px;background:var(--sb);color:var(--blue);white-space:nowrap}
.pill.g{background:#DCFCE7;color:#15803D}.pill.r{background:#FEE2E2;color:#B91C1C}.pill.c{background:var(--sc);color:#0E7490}
.tw{overflow-x:auto;border:1px solid var(--line);border-radius:10px}
table{border-collapse:collapse;width:100%;font-size:.78rem;min-width:420px}
th{background:#F8FAFC;text-align:left;color:var(--muted);font-weight:600}th,td{padding:8px 12px;border-bottom:1px solid var(--line);white-space:nowrap}tr:last-child td{border:0}
.hphoto{position:absolute;right:-18px;bottom:-34px;width:42%;border-radius:12px;border:3px solid #fff;box-shadow:0 18px 40px rgba(0,0,0,.4);aspect-ratio:4/3;object-fit:cover}
.hero .ui{margin-bottom:34px}
/* strip */
.strip{background:#fff;border-bottom:1px solid var(--line);padding:26px 0}
.strip ul{list-style:none;display:grid;grid-template-columns:repeat(6,1fr);gap:16px}
.strip li{display:flex;align-items:center;gap:10px;font-weight:600;font-size:.9rem}
.ic{flex:none;width:36px;height:36px;border-radius:10px;background:var(--sb);color:var(--blue);display:grid;place-items:center}
.ic svg{width:18px;height:18px;stroke:currentColor;fill:none;stroke-width:2;stroke-linecap:round;stroke-linejoin:round}
/* cards */
.cards{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}.cards.c3{grid-template-columns:repeat(3,1fr)}.cards.c5{grid-template-columns:repeat(5,1fr)}
.card{background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:24px}
.card p{color:var(--muted);font-size:.92rem}.card .ic{margin-bottom:14px}
.dark .card{background:rgba(15,23,42,.8);border-color:rgba(148,163,184,.18)}.dark .card p{color:#94A3B8}.dark .ic{background:rgba(6,182,212,.12);color:#22D3EE}
.chip{background:#fff;border:1px solid var(--line);border-radius:10px;padding:14px 16px;font-weight:600;font-size:.92rem}
/* compare */
.cmp{display:grid;grid-template-columns:1fr 1fr;gap:24px}
.cmp .ui{box-shadow:0 14px 40px rgba(15,23,42,.12)}.cmp .bad{border-color:#FCA5A5}.cmp .good{border-color:#67E8F9}
code,pre{font-family:var(--mono)}
.kv{display:flex;justify-content:space-between;gap:12px;font-size:.84rem;padding:10px 0;border-bottom:1px solid var(--line)}.kv:last-child{border:0}.kv b{font-weight:600}.kv code{font-size:.78rem;word-break:break-all}
/* flow */
.flow{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;counter-reset:s}
.step{position:relative}.step:before{counter-increment:s;content:counter(s);display:grid;place-items:center;width:34px;height:34px;border-radius:50%;background:linear-gradient(135deg,var(--blue),var(--cyan));color:#fff;font-weight:700;margin-bottom:14px}
.step p{color:var(--muted);font-size:.92rem}
.pipe{display:flex;align-items:center;justify-content:center;gap:10px;flex-wrap:wrap;margin-top:44px}
.node{background:var(--dark);color:#fff;font:600 .85rem var(--mono);padding:12px 18px;border-radius:10px;border:1px solid rgba(6,182,212,.4)}.arr{color:var(--cyan);font-weight:700}
/* dashboard */
.dash{display:grid;grid-template-columns:170px 1fr}
.side{background:#F8FAFC;border-right:1px solid var(--line);padding:16px 10px;font-size:.84rem}
.side a{display:block;padding:8px 12px;border-radius:8px;color:var(--muted);text-decoration:none;font-weight:500}.side a.on{background:var(--sb);color:var(--blue);font-weight:600}
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:12px;margin-bottom:16px}
.stat{border:1px solid var(--line);border-radius:10px;padding:12px}.stat small{color:var(--muted);font-size:.72rem;display:block}.stat b{font:800 1.15rem Manrope,sans-serif}
.demo{font-size:.78rem;color:var(--muted);margin-top:14px;text-align:center}
/* code */
.cb{background:#0B1120;color:#E2E8F0;border-radius:12px;border:1px solid rgba(148,163,184,.2);overflow:hidden}
.cb pre{padding:18px;overflow-x:auto;font-size:.82rem;line-height:1.7}
.cb .t{display:flex;gap:6px;padding:10px 12px;border-bottom:1px solid rgba(148,163,184,.18);align-items:center;flex-wrap:wrap}
.cb .t span.tag{margin-left:auto;font-size:.72rem;color:#64748B}
.tab{background:none;border:0;color:#94A3B8;font:600 .8rem Inter,sans-serif;padding:6px 12px;border-radius:7px;cursor:pointer}.tab[aria-selected=true]{background:rgba(37,99,235,.25);color:#fff}
.k{color:#67E8F9}.s{color:#A5B4FC}.n{color:#FCD34D}
.two{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:center}
.two img{border-radius:var(--r);width:100%;box-shadow:0 20px 50px rgba(15,23,42,.18);aspect-ratio:4/3;object-fit:cover}
.caps{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin-top:24px}
.dark .chip{background:rgba(15,23,42,.8);border-color:rgba(148,163,184,.2);color:#E2E8F0}
.bars{display:flex;align-items:flex-end;gap:6px;height:110px;margin:8px 0}.bars i{flex:1;background:linear-gradient(var(--cyan),var(--blue));border-radius:4px 4px 0 0}.bars i.x{background:#FCA5A5}
/* brand + acquire */
.acq{background:radial-gradient(700px 400px at 50% 0,rgba(79,70,229,.3),transparent 70%),var(--dark);text-align:center}
.acq .wrap{max-width:820px}.acq .lead{margin:0 auto 28px}.acq .cta{justify-content:center}
.tags{display:flex;flex-wrap:wrap;gap:8px;justify-content:center;margin:28px 0}.tags span{font-size:.84rem;border:1px solid rgba(148,163,184,.3);border-radius:99px;padding:6px 14px;color:#CBD5E1}
/* faq */
.faq{max-width:820px;margin:auto}
details{background:#fff;border:1px solid var(--line);border-radius:12px;margin-bottom:10px}
summary{cursor:pointer;font-weight:600;padding:18px 22px;list-style:none;display:flex;justify-content:space-between;gap:16px}
summary::-webkit-details-marker{display:none}summary:after{content:"+";color:var(--blue);font-size:1.3rem;line-height:1}details[open] summary:after{content:"–"}
details p{padding:0 22px 20px;color:var(--muted)}
/* footer */
footer{background:#070B16;color:#94A3B8;padding:56px 0 30px;font-size:.9rem}
.fg{display:grid;grid-template-columns:1.4fr 2fr;gap:40px;margin-bottom:36px}
footer ul{list-style:none;display:flex;flex-wrap:wrap;gap:10px 24px}footer a{text-decoration:none}footer a:hover{color:#fff}
.disc{border-top:1px solid rgba(148,163,184,.15);padding-top:20px;font-size:.8rem;color:#64748B}
.toast{position:fixed;bottom:20px;left:50%;transform:translateX(-50%);background:var(--navy);color:#fff;padding:10px 18px;border-radius:10px;font-size:.88rem;opacity:0;pointer-events:none;transition:opacity .2s;z-index:99}.toast.on{opacity:1}
.legal{max-width:760px;padding:64px 0}.legal h1{font-size:2.2rem;margin-bottom:20px}.legal h2{font-size:1.25rem;margin:28px 0 8px}.legal p{color:var(--muted)}
@media(prefers-reduced-motion:no-preference){.hero .ui{animation:rise .8s ease both}@keyframes rise{from{opacity:0;transform:translateY(18px)}}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*{transition:none!important}}
@media(max-width:1024px){.cards,.cards.c5{grid-template-columns:repeat(2,1fr)}.cards.c3{grid-template-columns:1fr 1fr}.strip ul{grid-template-columns:repeat(3,1fr)}.hero .wrap,.two,.cmp{grid-template-columns:1fr}.flow{grid-template-columns:1fr 1fr}.nr .btn-s{display:none}}
@media(max-width:860px){.burger{display:block}nav{position:absolute;top:68px;left:0;right:0;background:var(--dark);padding:12px 20px 20px;display:none;border-bottom:1px solid rgba(148,163,184,.2)}nav.open{display:block}nav ul{flex-direction:column;gap:0}nav a{display:block;padding:12px 0}.nr .btn-p{display:none}}
@media(max-width:640px){section{padding:64px 0}.cards,.cards.c3,.cards.c5,.flow,.caps,.fg{grid-template-columns:1fr}.strip ul{grid-template-columns:1fr 1fr}.dash{grid-template-columns:1fr}.side{display:none}.stats{grid-template-columns:1fr 1fr}.hphoto{position:static;width:100%;margin-top:12px;border:0}.hero .ui{margin-bottom:0}.cta .btn{width:100%}.hero{padding:56px 0 64px}}