/* HOST 1.0 Sunday 1Nov 2026 16:03 — Neura Sync design system + self-hosted anime cache bust */
/* --- tokens --- */
:root{color-scheme:dark;--bg:#04040d;--bg2:#0a0b1c;--ink:#eef0ff;--mut:#8f94b8;--red:#ff2d3b;--blue:#1e7bff;--blue-ink:#6fa8ff;--red-ink:#ff8a92;--ch-ai:var(--blue);--ch-soft:var(--red);--ch-social:#8a6bff;--ch-it:#22d3ee;--line:rgba(255,255,255,.10);--nav:rgba(4,4,13,.8);--tint:rgba(255,255,255,.05);--tint2:rgba(255,255,255,.19);--card:linear-gradient(160deg,rgba(255,255,255,.04),rgba(255,255,255,.01));--grad:linear-gradient(100deg,var(--blue),#8a6bff 50%,var(--red));--d:'Sora',system-ui,'Segoe UI',sans-serif;--b:'DM Sans',system-ui,'Segoe UI',sans-serif}
:root[data-theme="light"]{color-scheme:light;--bg:#f5f6fc;--bg2:#ffffff;--ink:#0b0d24;--mut:#545a7d;--red:#e5222f;--blue:#1565e0;--blue-ink:#1565e0;--red-ink:#c41c28;--ch-ai:#1565e0;--ch-soft:#e5222f;--ch-social:#7c5cff;--ch-it:#0ea5e9;--line:rgba(11,13,36,.125);--nav:rgba(245,246,252,.87);--tint:rgba(11,13,36,.04);--tint2:rgba(11,13,36,.19);--card:linear-gradient(160deg,#fff,rgba(255,255,255,.63))}
@media(prefers-color-scheme:light){:root:not([data-theme="dark"]){color-scheme:light;--bg:#f5f6fc;--bg2:#ffffff;--ink:#0b0d24;--mut:#545a7d;--red:#e5222f;--blue:#1565e0;--blue-ink:#1565e0;--red-ink:#c41c28;--ch-ai:#1565e0;--ch-soft:#e5222f;--ch-social:#7c5cff;--ch-it:#0ea5e9;--line:rgba(11,13,36,.125);--nav:rgba(245,246,252,.87);--tint:rgba(11,13,36,.04);--tint2:rgba(11,13,36,.19);--card:linear-gradient(160deg,#fff,rgba(255,255,255,.63))}}

/* --- reset / base --- */
*,*:before,*:after{box-sizing:border-box}
html{overflow-x:clip;scroll-behavior:smooth}
body{margin:0;background:var(--bg);color:var(--ink);font:400 17px/1.6 var(--b);padding:0 env(safe-area-inset-right) env(safe-area-inset-bottom) env(safe-area-inset-left);min-height:100vh;display:flex;flex-direction:column}
body:before{content:"";position:fixed;inset:0;background:radial-gradient(60vw 50vh at 85% 10%,rgba(30,123,255,.13),transparent),radial-gradient(50vw 50vh at 5% 80%,rgba(255,45,59,.11),transparent);pointer-events:none;z-index:-1}
main{flex:1}
h1,h2,h3,h4{font-family:var(--d);line-height:1.15;margin:0;letter-spacing:-.02em}
h1{font-size:clamp(2.2rem,5.5vw,4.2rem);font-weight:800}
h2{font-size:clamp(1.7rem,3.8vw,2.8rem);font-weight:800}
h3{font-size:1.2rem;font-weight:600}
p{margin:0;color:var(--mut)}
a{color:inherit;text-decoration:none}
:focus-visible{outline:2px solid var(--blue);outline-offset:3px}
.skip{position:absolute;left:-999px;top:auto}.skip:focus{left:16px;top:16px;z-index:100;background:var(--bg2);padding:10px 16px;border-radius:10px;border:1px solid var(--line)}
.wrap{max-width:1160px;margin:0 auto;padding:0 22px}
.grad{background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.alt{background:var(--bg2)}
.muted{color:var(--mut)}
.eyebrow{font:600 .8rem var(--d);letter-spacing:.06em;text-transform:uppercase;color:var(--blue-ink);margin-bottom:10px}

/* --- nav --- */
.site-nav{position:sticky;top:0;z-index:40;background:var(--nav);-webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);border-bottom:1px solid var(--line);padding-top:env(safe-area-inset-top)}
.site-nav .wrap{display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:68px;position:relative}
.brand{display:flex;align-items:center;gap:10px;font:800 1.1rem var(--d);white-space:nowrap}
.brand img{width:38px;height:38px;border-radius:50%}
.nav-right{display:flex;align-items:center;gap:12px}
.nav-links{display:flex;gap:18px;align-items:center;font-size:.92rem;flex-wrap:wrap}
.nav-links>a,.nav-links .nav-drop>button{color:var(--mut);background:none;border:0;font:inherit;cursor:pointer;padding:6px 0}
.nav-links>a:hover,.nav-links>a.on,.nav-links .nav-drop>button:hover{color:var(--ink)}
.nav-links a.btn{color:#fff;padding:11px 18px}
.nav-drop{position:relative}
.mega{display:none;position:absolute;top:100%;left:50%;transform:translateX(-50%);width:min(720px,92vw);padding:22px;background:var(--bg2);border:1px solid var(--line);border-radius:18px;box-shadow:0 24px 60px rgba(0,0,0,.35);z-index:50}
.nav-drop:hover .mega,.nav-drop:focus-within .mega,.nav-drop.open .mega{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.mega h4{font-size:.75rem;text-transform:uppercase;letter-spacing:.05em;color:var(--mut);margin-bottom:8px}
.mega a{display:block;padding:6px 0;color:var(--ink);font-size:.92rem}
.mega a:hover{color:var(--blue-ink)}
.mega p{font-size:.8rem;margin-top:2px}
.ctl{display:flex;gap:8px;align-items:center}
.theme{width:40px;height:40px;border-radius:50%;border:1px solid var(--line);background:var(--tint);color:var(--ink);font-size:1.15rem;cursor:pointer}
.burger{display:none;background:none;border:1px solid var(--line);color:var(--ink);border-radius:10px;padding:8px 12px;font:500 1rem var(--b);cursor:pointer}
.nav-extra{display:flex;gap:10px;align-items:center;font-size:.85rem}
.nav-extra a{color:var(--mut)}.nav-extra a:hover{color:var(--blue-ink)}

/* --- buttons / cards --- */
.btn{display:inline-block;padding:13px 24px;border-radius:999px;font:600 .95rem var(--d);background:var(--grad);color:#fff!important;border:0;cursor:pointer;transition:transform .2s,box-shadow .2s,border-color .2s;text-align:center}
.btn:hover{transform:translateY(-2px);box-shadow:0 10px 30px rgba(255,45,59,.27)}
.btn.g{background:none;color:var(--ink)!important;border:1px solid var(--line)}.btn.g:hover{box-shadow:none;border-color:var(--blue)}
.btn:disabled{opacity:.6;cursor:wait}
.btn.sm{padding:10px 16px;font-size:.88rem}
section{padding:90px 0}
.hero{display:grid;grid-template-columns:1.05fr .95fr;gap:24px;align-items:center;min-height:calc(100svh - 68px);padding:40px 0;position:relative;isolation:isolate}
.hero-copy{position:relative;z-index:2;max-width:36em}
.hero .lead{font-size:1.15rem;max-width:34em;margin:18px 0 28px}
.cta{display:flex;gap:14px;flex-wrap:wrap;align-items:center}
.hero-form{display:flex;gap:10px;flex-wrap:wrap;margin-top:18px;max-width:28em}
.hero-form input{flex:1;min-width:180px}
.hero h1 .he-line{display:inline-block;opacity:0;transform:translateY(24px)}
.hero.is-static h1 .he-line,.hero.he-ready h1 .he-line{opacity:1;transform:none}
@keyframes up{to{opacity:1;transform:none}}

/* --- hero engine (anime.js-scale) --- */
.hero-engine{--he-mx:0px;--he-my:0px;--he-rx:0deg;--he-ry:0deg;--he-glow-blue:rgba(30,123,255,.33);--he-glow-red:rgba(255,45,59,.22);position:relative;aspect-ratio:1;max-width:480px;width:100%;margin-left:auto;z-index:1;transform:translateX(4%);perspective:900px}
:root[data-theme="light"] .hero-engine,.hero-engine{--he-glow-blue:rgba(21,101,224,.28);--he-glow-red:rgba(229,34,47,.18)}
:root[data-theme="dark"] .hero-engine{--he-glow-blue:rgba(30,123,255,.4);--he-glow-red:rgba(255,45,59,.28)}
@media(prefers-color-scheme:dark){:root:not([data-theme="light"]) .hero-engine{--he-glow-blue:rgba(30,123,255,.4);--he-glow-red:rgba(255,45,59,.28)}}
.hero-engine.is-tracking{will-change:transform}
.he-svg{position:absolute;inset:0;width:100%;height:100%;overflow:visible;translate:calc(var(--he-mx) * .55) calc(var(--he-my) * .55);transform:rotateY(var(--he-rx)) rotateX(var(--he-ry));transform-style:preserve-3d}
.he-ring-guide{stroke:var(--line);stroke-width:1;opacity:.35}
.he-arc{stroke-width:2.5;fill:none;stroke-dasharray:1;stroke-dashoffset:1}
.he-arc-ai{stroke:var(--ch-ai)}
.he-arc-soft{stroke:var(--ch-soft)}
.he-arc-social{stroke:var(--ch-social)}
.he-arc-it{stroke:var(--ch-it);opacity:.9}
.hero-visual{display:flex;flex-direction:column;align-items:center;gap:14px;width:100%;perspective:1000px}
.hero-pills{display:flex;flex-wrap:wrap;gap:8px;margin:14px 0 4px}
.hero-pills span{padding:6px 12px;border-radius:999px;border:1px solid var(--line);background:var(--tint);font:600 .75rem var(--d);color:var(--mut)}
.he-playhead{position:relative;width:min(100%,420px);padding:10px 4px 0}
.he-ruler{display:flex;gap:3px;height:18px;align-items:flex-end;margin-bottom:8px}
.he-ruler i{flex:1;height:40%;background:var(--tint2);border-radius:1px;opacity:.55}
.he-ruler i.major{height:100%;opacity:.9}
.he-needle{position:absolute;top:6px;left:0;width:2px;height:22px;background:var(--red);border-radius:2px;transform:translateX(0);box-shadow:0 0 8px rgba(255,45,59,.5)}
.he-phases{display:flex;flex-wrap:wrap;gap:6px}
.he-phases button{border:1px solid var(--line);background:var(--tint);color:var(--mut);border-radius:999px;padding:5px 10px;font:600 .68rem var(--d);cursor:pointer}
.he-phases button.on{color:var(--ink);border-color:var(--blue);background:rgba(30,123,255,.12)}
.he-gauge-ring{stroke:var(--line);stroke-width:10;opacity:.35}
.he-tick{stroke:var(--red-ink);stroke-width:1.5;stroke-linecap:round;opacity:0;transform-origin:200px 200px;transform-box:fill-box}
.he-orbit-path{stroke:var(--tint2);stroke-width:1;stroke-dasharray:3 7;opacity:.55}
.he-orbit-path-b{stroke:rgba(30,123,255,.35);stroke-dasharray:2 8}
.he-orbit-path-c{stroke:rgba(138,107,255,.4);stroke-dasharray:2 6;opacity:.65}
:root[data-theme="light"] .he-orbit-path-b{stroke:rgba(21,101,224,.35)}
:root[data-theme="light"] .he-orbit-path-c{stroke:rgba(124,92,255,.4)}
.he-inner-ring{stroke:var(--line);stroke-width:1.25;opacity:.5}
.he-sync-arc{stroke:url(#he-grad);stroke-width:3;stroke-dasharray:1;stroke-dashoffset:1}
.he-core-glow{opacity:0;transform-origin:200px 200px}
.he-logo{position:absolute;inset:22%;width:56%;height:56%;border-radius:50%;object-fit:cover;box-shadow:0 0 70px var(--he-glow-blue),0 0 110px var(--he-glow-red);opacity:0;transform:scale(.86);translate:calc(var(--he-mx) * .35) calc(var(--he-my) * .35);z-index:2}
.he-chip-ring{position:absolute;inset:0;pointer-events:none;z-index:3}
.he-chip-slot{position:absolute;inset:0;transform:rotate(var(--a,0deg))}
.he-chip{position:absolute;top:0;left:50%;translate:-50% -50%;rotate:calc(var(--a,0deg) * -1);padding:5px 12px;border-radius:999px;background:var(--bg2);border:1px solid var(--line);font:600 .72rem var(--d);white-space:nowrap;color:var(--red-ink);box-shadow:0 6px 18px rgba(0,0,0,.08);opacity:0;scale:.85}
.he-chip-ring-a{inset:-2%;translate:calc(var(--he-mx) * 1.35) calc(var(--he-my) * 1.35)}
.he-chip-ring-a .he-chip{color:var(--red-ink)}
.he-chip-ring-b{inset:8%;translate:calc(var(--he-mx) * 1) calc(var(--he-my) * 1)}
.he-chip-ring-b .he-chip{color:var(--blue-ink)}
.he-chip-ring-c{inset:16%;translate:calc(var(--he-mx) * .7) calc(var(--he-my) * .7)}
.he-chip-ring-c .he-chip{color:var(--ch-social);font-size:.68rem;padding:4px 10px}
.he-chip.is-accent{font-weight:700}
.hero-engine.is-idle .he-logo{opacity:1;transform:none;translate:calc(var(--he-mx) * .35) calc(var(--he-my) * .35)}
@media(max-width:960px),(pointer:coarse),(prefers-reduced-motion:reduce){
.hero-engine,.he-svg,.he-chip-ring-a,.he-chip-ring-b,.he-chip-ring-c,.he-logo,.hero-engine.is-idle .he-logo{--he-mx:0px!important;--he-my:0px!important;--he-rx:0deg!important;--he-ry:0deg!important}
.he-svg{translate:none;transform:none}
.he-chip-ring-a,.he-chip-ring-b,.he-chip-ring-c{translate:none}
.he-logo,.hero-engine.is-idle .he-logo{translate:none}
}
@media(max-width:960px){
.he-chip{font-size:.65rem;padding:4px 9px}
.he-chip-ring-c .he-chip{font-size:.62rem;padding:3px 8px}
}
@media(min-width:961px){
.hero{grid-template-columns:minmax(0,1fr) minmax(280px,.98fr);gap:8px}
.hero-engine{margin-right:-4%;margin-left:-8%;max-width:540px;transform:translateX(2%)}
.hero-copy{padding-right:12px}
.hero-copy h1{max-width:12ch}
.hero-copy .cta,.hero-copy .hero-form,.hero-copy .lead{position:relative;z-index:3}
}
.marq{border-block:1px solid var(--line);overflow:hidden;padding:18px 0;background:var(--tint)}
.marq-track{display:flex;gap:48px;padding-right:48px;width:max-content;animation:mq 40s linear infinite;font:600 1.05rem var(--d)}
@keyframes mq{to{transform:translateX(-50%)}}
.head{max-width:42em;margin-bottom:40px}.head p{margin-top:14px}
.grid{display:grid;gap:20px;grid-template-columns:repeat(auto-fit,minmax(min(250px,100%),1fr))}
.grid-3{grid-template-columns:repeat(auto-fit,minmax(min(280px,100%),1fr))}
.card{display:block;padding:28px;border:1px solid var(--line);border-radius:20px;background:var(--card);transition:transform .3s,border-color .3s}
.card:hover{transform:translateY(-4px);border-color:var(--blue)}
.card p{margin-top:10px;font-size:.97rem}
.card .pill{margin-bottom:10px}
.split{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:center}
.split.top{align-items:start}
.mt{margin:18px 0 26px}.mt16{margin-top:16px}.mb24{margin-bottom:24px}
.chat{background:var(--bg2);border:1px solid var(--line);border-radius:22px;padding:22px;font-size:.93rem;min-height:300px;box-shadow:0 30px 80px rgba(30,123,255,.13)}
.bar{display:flex;gap:6px;margin-bottom:16px}.bar i{width:10px;height:10px;border-radius:50%;background:var(--tint2);display:block}
.msg{padding:11px 15px;border-radius:14px;margin:10px 0;max-width:88%;opacity:0;transform:translateY(20px);animation:up .5s forwards}
.msg.u{background:rgba(30,123,255,.2);margin-left:auto}.msg.a{background:var(--tint)}
.src{display:inline-block;margin:6px 6px 0 0;padding:2px 10px;border-radius:999px;font-size:.75rem;background:rgba(255,45,59,.15);color:var(--red-ink)}
.deliver{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:16px}
.deliver .card{text-align:left}
.deliver h3{font-size:1.05rem}
.steps{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));counter-reset:s}
.steps-6{grid-template-columns:repeat(auto-fit,minmax(160px,1fr))}
.steps>div{padding:26px 22px;border-left:1px solid var(--line);counter-increment:s}
.steps>div:before{content:counter(s);font:800 2.2rem var(--d);color:var(--tint2);display:block;margin-bottom:8px}
.steps p{margin-top:6px;font-size:.95rem}
.layer-card .pill{margin-bottom:12px}
.stack-cards .pill{margin-top:14px}
.agent-log{background:var(--bg2);border:1px solid var(--line);border-radius:22px;padding:18px 20px;font:500 .88rem/1.55 ui-monospace,Consolas,monospace;min-height:300px;box-shadow:0 30px 80px rgba(30,123,255,.12)}
.agent-log-bar{display:flex;align-items:center;gap:6px;margin-bottom:14px;color:var(--mut);font:600 .72rem var(--d);letter-spacing:.04em;text-transform:uppercase}
.agent-log-bar span{width:10px;height:10px;border-radius:50%;background:var(--tint2)}
.agent-log-bar em{margin-left:auto;font-style:normal;opacity:.8}
.agent-line{opacity:0;transform:translateY(8px);animation:up .45s forwards;margin:8px 0;padding:8px 10px;border-radius:10px;background:var(--tint)}
.agent-line .k{color:var(--blue-ink);font-weight:600;margin-right:8px}
.agent-line .v{color:var(--mut)}
.mk{background:linear-gradient(135deg,rgba(30,123,255,.1),rgba(255,45,59,.1));border:1px solid var(--line);border-radius:28px;padding:48px}
.tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:20px}
.tags span{padding:8px 16px;border:1px solid var(--line);border-radius:999px;font-size:.9rem;background:var(--tint)}
.cta-band{text-align:center;padding:88px 22px}
.cta-band p{margin:16px auto 28px;max-width:32em}
.page-h{padding:72px 0 16px}.page-h p{margin-top:14px;max-width:38em;font-size:1.08rem}
.pt40{padding-top:40px}.pt20{padding-top:20px}.pb60{padding-bottom:60px}
.pill{font-size:.78rem;color:var(--blue-ink);display:block}
.stack{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(220px,100%),1fr));gap:14px}
.stack div{padding:18px 20px;border:1px solid var(--line);border-radius:14px}
.stack b{font:600 1rem var(--d);display:block;margin-bottom:4px}.stack span{font-size:.9rem;color:var(--mut)}
.compare{width:100%;border-collapse:collapse;font-size:.95rem}
.compare th,.compare td{border:1px solid var(--line);padding:14px 16px;text-align:left}
.compare th{font-family:var(--d);background:var(--tint)}
.compare td:first-child{font-weight:600;color:var(--ink)}
.compare .yes{color:var(--blue-ink)}.compare .no{color:var(--mut)}
.faq details{border:1px solid var(--line);border-radius:14px;padding:16px 20px;margin-bottom:12px;background:var(--card)}
.faq summary{cursor:pointer;font:600 1rem var(--d);color:var(--ink)}
.faq details p{margin-top:10px}
.trust{display:flex;flex-wrap:wrap;gap:12px 28px;justify-content:center;align-items:center;padding:28px 0;border-block:1px solid var(--line);color:var(--mut);font:600 .9rem var(--d)}
.trust span{opacity:.85}
.selector{display:grid;gap:14px;grid-template-columns:1fr 1fr auto;align-items:end}
.selector-out{margin-top:20px;padding:22px;border-radius:16px;border:1px solid var(--line);background:var(--tint);display:none}
.selector-out.show{display:block}
.flow{display:flex;flex-wrap:wrap;gap:10px;align-items:center;margin:20px 0}
.flow span{padding:10px 14px;border-radius:12px;border:1px solid var(--line);background:var(--bg2);font:600 .85rem var(--d)}
.flow i{color:var(--mut);font-style:normal}
.callout{border:1px solid var(--line);border-radius:24px;padding:36px;background:linear-gradient(135deg,rgba(30,123,255,.12),rgba(255,45,59,.08))}
.filters{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:24px}
.filters button{border:1px solid var(--line);background:var(--tint);color:var(--ink);border-radius:999px;padding:8px 14px;cursor:pointer;font:500 .85rem var(--b)}
.filters button.on{border-color:var(--blue);background:rgba(30,123,255,.15)}
.hidden-card{display:none!important}

/* --- forms --- */
form{display:grid;gap:14px}
.form-grid{display:grid;gap:14px}
.form-row{display:grid;gap:14px;grid-template-columns:1fr 1fr}
input,textarea,select{width:100%;padding:14px 16px;border-radius:12px;border:1px solid var(--line);background:var(--bg2);color:var(--ink);font:inherit}
textarea{min-height:120px;resize:vertical}
label{display:block;margin-bottom:6px;font-size:.88rem;color:var(--mut)}
.err{color:var(--red-ink);font-size:.9rem}
.ok{color:var(--blue-ink)}
.form-steps{display:flex;gap:8px;margin-bottom:18px}
.form-steps span{flex:1;height:4px;border-radius:4px;background:var(--tint2);opacity:.35}
.form-steps span.on{opacity:1;background:var(--grad)}
.form-panel[hidden]{display:none!important}
.reach{display:flex;flex-direction:column}
.reach h3{margin-bottom:18px}
.reach-list{list-style:none;margin:0;padding:0;display:grid;gap:4px}
.reach-row{display:flex;gap:14px;align-items:flex-start;padding:12px 14px;border-radius:14px;border:1px solid transparent;color:inherit}
a.reach-row:hover{background:var(--tint);border-color:var(--line)}
.reach-ico{flex:0 0 40px;width:40px;height:40px;border-radius:12px;background:var(--tint);border:1px solid var(--line);display:grid;place-items:center}
.reach-ico svg{width:20px;height:20px;stroke:url(#gg);fill:none;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round}
.reach-meta{display:flex;flex-direction:column;gap:2px;min-width:0}
.reach-label{font:600 .72rem/1.2 var(--d);letter-spacing:.04em;text-transform:uppercase;color:var(--mut)}
.reach-val{font-size:.97rem;color:var(--ink);word-break:break-word}
.reach-divider{height:1px;background:var(--line);margin:14px 0}
.reach-note{margin-top:16px;padding:12px 14px;border-radius:12px;background:var(--tint);border:1px solid var(--line);font-size:.9rem;color:var(--mut)}

/* --- footer / chrome --- */
.site-footer{border-top:1px solid var(--line);padding:48px 0 28px;color:var(--mut);font-size:.9rem;margin-top:auto}
.site-footer .foot-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(160px,1fr));gap:28px;margin-bottom:28px}
.site-footer h4{font:600 .85rem var(--d);color:var(--ink);margin-bottom:12px;text-transform:uppercase;letter-spacing:.04em}
.site-footer a{display:block;padding:4px 0}.site-footer a:hover{color:var(--ink)}
.site-footer .foot-bottom{display:flex;justify-content:space-between;flex-wrap:wrap;gap:12px;border-top:1px solid var(--line);padding-top:18px}
.wa-float{position:fixed;right:20px;bottom:20px;z-index:60;width:56px;height:56px;border-radius:50%;background:#25D366;color:#fff;display:grid;place-items:center;box-shadow:0 10px 30px rgba(0,0,0,.35);border:0}
.wa-float svg{width:28px;height:28px;fill:currentColor}
.wa-float:hover{transform:scale(1.06)}
.cookie{position:fixed;left:16px;right:16px;bottom:16px;z-index:70;max-width:520px;margin:0 auto;padding:18px 20px;border-radius:16px;background:var(--bg2);border:1px solid var(--line);box-shadow:0 16px 40px rgba(0,0,0,.35);display:none}
.cookie.show{display:block}
.cookie p{font-size:.9rem;margin-bottom:12px}
.cookie .cta{justify-content:flex-end}
.s1{stop-color:var(--blue)}.s2{stop-color:#8a6bff}.s3{stop-color:var(--red)}
.note{font-size:.85rem;margin-top:12px}
.list-check{margin:12px 0 0;padding-left:1.1em;color:var(--mut)}
.list-check li{margin:6px 0}

/* --- Act 2 toolbox --- */
.toolbox-sec{padding-top:72px}
.toolbox-stage{position:relative;min-height:420px;border:1px solid var(--line);border-radius:28px;background:
  radial-gradient(circle at 50% 50%,rgba(30,123,255,.06),transparent 42%),
  linear-gradient(var(--line) 1px,transparent 1px),
  linear-gradient(90deg,var(--line) 1px,transparent 1px);
  background-size:auto,28px 28px,28px 28px;background-color:var(--bg2);overflow:hidden}
.tb-svg{position:absolute;inset:0;width:100%;height:100%}
.tb-ring{stroke:var(--line);stroke-width:1.5;fill:none}
.tb-ring-mid{stroke:var(--tint2)}
.tb-core-fill{fill:url(#gg);opacity:.35}
.tb-line{fill:none;stroke:var(--tint2);stroke-width:1.25;stroke-linecap:round;stroke-linejoin:round}
.tb-line.on{stroke:var(--blue)}
.tb-nodes{position:relative;z-index:2;min-height:420px}
.tb-node{position:absolute;left:var(--x);top:var(--y);max-width:200px;padding:8px 12px;border-radius:12px;border:1px solid var(--line);background:var(--bg2);font:600 .78rem var(--d);color:var(--ink);box-shadow:0 8px 24px rgba(0,0,0,.08);transition:border-color .2s,transform .2s}
.tb-node em{display:block;font:600 .65rem var(--d);color:var(--mut);letter-spacing:.04em;margin-bottom:2px}
.tb-node:hover,.tb-node.on{border-color:var(--blue);transform:translateY(-2px);color:var(--blue-ink)}

/* --- Act 3 sticky chapters --- */
.chapters-sec{padding:40px 0 80px}
.chapters-stage{display:grid;grid-template-columns:1fr .95fr;gap:36px;align-items:start}
.chapters-scroll{display:flex;flex-direction:column;gap:0}
.chapter-block{min-height:78vh;padding:48px 0;border-bottom:1px solid var(--line);display:flex;flex-direction:column;justify-content:center}
.chapter-block:last-child{border-bottom:0}
.chapter-block h2{margin:8px 0 14px}
.ch-tabs{display:flex;flex-direction:column;align-items:flex-start;gap:8px;margin-top:18px}
.ch-tab{border:0;background:none;color:var(--mut);font:600 .82rem var(--d);letter-spacing:.03em;text-transform:uppercase;cursor:pointer;padding:4px 0;text-align:left}
.ch-tab.on,.ch-tab:hover{color:var(--ink)}
.ch-ai{color:var(--ch-ai)!important}.ch-soft{color:var(--ch-soft)!important}.ch-social{color:var(--ch-social)!important}.ch-it{color:var(--ch-it)!important}
.ch-grad-ai{background:linear-gradient(100deg,var(--ch-ai),#6fa8ff);-webkit-background-clip:text;background-clip:text;color:transparent}
.ch-grad-soft{background:linear-gradient(100deg,var(--ch-soft),#ff8a92);-webkit-background-clip:text;background-clip:text;color:transparent}
.ch-grad-social{background:linear-gradient(100deg,var(--ch-social),#c4b5fd);-webkit-background-clip:text;background-clip:text;color:transparent}
.ch-grad-it{background:linear-gradient(100deg,var(--ch-it),#67e8f9);-webkit-background-clip:text;background-clip:text;color:transparent}
.chapters-pin{position:sticky;top:88px;display:flex;flex-direction:column;gap:16px;padding-top:24px}
.chapter-hud{position:relative;aspect-ratio:1;width:100%;max-width:380px;margin:0 auto}
.ch-hud-svg{position:absolute;inset:0;width:100%;height:100%;overflow:visible}
.ch-hud-ring{stroke:var(--line);stroke-width:1}
.ch-hud-arc{stroke-width:3;stroke-linecap:round;opacity:.28;transition:opacity .35s}
.ch-hud-arc-0{stroke:var(--ch-ai)}.ch-hud-arc-1{stroke:var(--ch-soft)}.ch-hud-arc-2{stroke:var(--ch-social)}.ch-hud-arc-3{stroke:var(--ch-it)}
.ch-hud-arc.on{opacity:1;filter:drop-shadow(0 0 6px currentColor)}
.ch-hud-logo{position:absolute;inset:28%;width:44%;height:44%;border-radius:50%;object-fit:cover;box-shadow:0 0 50px rgba(30,123,255,.25)}
.ch-viz-dot{fill:var(--ch-ai);opacity:.85}
.ch-viz-node{fill:var(--bg2);stroke:var(--ch-soft);stroke-width:1.5}
.ch-viz-wave{fill:none;stroke:var(--ch-social);stroke-width:2}
.ch-viz-tick{stroke:var(--ch-it);stroke-width:1.5;stroke-linecap:round}
.telemetry-card{border:1px solid var(--line);border-radius:18px;background:var(--bg2);padding:14px 16px;box-shadow:0 20px 50px rgba(0,0,0,.12);font:500 .8rem/1.5 ui-monospace,Consolas,monospace;min-height:168px}
.tel-bar{display:flex;align-items:center;gap:5px;margin-bottom:10px;color:var(--mut);font:600 .68rem var(--d);letter-spacing:.04em;text-transform:uppercase}
.tel-bar span{width:8px;height:8px;border-radius:50%;background:var(--tint2)}
.tel-bar em{margin-left:auto;font-style:normal;opacity:.85}
.tel-line{margin:6px 0;padding:7px 9px;border-radius:8px;background:var(--tint)}
.tel-line .k{color:var(--blue-ink);font-weight:600;margin-right:6px}
.tel-line .v{color:var(--mut)}
.tel-playhead{position:relative;margin-top:12px}
.tel-ruler{display:flex;gap:2px;height:14px;align-items:flex-end}
.tel-ruler i{flex:1;height:45%;background:var(--tint2);border-radius:1px;opacity:.5}
.tel-ruler i.major{height:100%;opacity:.85}
.tel-needle{position:absolute;top:0;left:8%;width:2px;height:16px;background:var(--red);border-radius:2px}

/* --- Act 4 modular bar --- */
.modular-widget{border:1px solid var(--line);border-radius:24px;padding:28px;background:var(--card)}
.mod-presets{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:22px}
.mod-preset{border:1px solid var(--line);background:var(--tint);color:var(--ink);border-radius:999px;padding:8px 14px;cursor:pointer;font:600 .82rem var(--d)}
.mod-preset.on{border-color:var(--blue);background:rgba(30,123,255,.14)}
.mod-bar{display:flex;height:28px;border-radius:999px;overflow:hidden;border:1px solid var(--line)}
.mod-seg{display:block;width:var(--w);height:100%;transition:width .55s cubic-bezier(.22,.7,.2,1)}
.mod-build,.mod-seg.mod-build,i.mod-build{background:var(--ch-soft)}
.mod-ai,.mod-seg.mod-ai,i.mod-ai{background:var(--ch-ai)}
.mod-grow,.mod-seg.mod-grow,i.mod-grow{background:var(--ch-social)}
.mod-it,.mod-seg.mod-it,i.mod-it{background:var(--ch-it)}
.mod-legend{display:flex;flex-wrap:wrap;gap:14px;margin-top:14px;font:600 .82rem var(--d);color:var(--mut)}
.mod-legend i{display:inline-block;width:10px;height:10px;border-radius:3px;margin-right:6px;vertical-align:middle}
.mod-note{margin-top:16px;color:var(--mut);max-width:40em}

@media(max-width:960px){
.hero,.split,.selector,.chapters-stage{grid-template-columns:1fr}.hero{min-height:0;gap:18px}
.hero-visual{order:-1}
.hero-engine{max-width:min(320px,78vw);margin:0 auto;transform:none}
.hero-copy{max-width:none}
.chapters-pin{position:static;max-width:340px;margin:0 auto 24px}
.chapter-block{min-height:0;padding:36px 0}
.tb-nodes{min-height:auto;display:grid;grid-template-columns:1fr 1fr;gap:10px;padding:18px}
.tb-node{position:static;max-width:none}
.tb-svg{display:none}
.burger{display:block}
.nav-links{display:none;position:absolute;top:100%;left:0;right:0;flex-direction:column;align-items:flex-start;background:var(--bg);padding:18px 22px;border-bottom:1px solid var(--line);gap:14px}
.nav-links.open{display:flex}
.nav-drop:hover .mega{display:none}
.nav-drop.open .mega{display:grid;position:static;transform:none;width:100%;box-shadow:none;margin-top:8px}
.form-row{grid-template-columns:1fr}
section{padding:64px 0}.cta-band{padding:64px 22px}.page-h{padding-top:48px}.mk{padding:28px}
.nav-extra{display:none}
}
@media(prefers-reduced-motion:reduce){
*,*:before,*:after{animation:none!important;transition:none!important;scroll-behavior:auto!important}
.hero h1 .he-line,.hero h1 span,.msg{opacity:1;transform:none}
.he-logo,.ch-hud-logo{opacity:1;transform:none}
.he-arc,.he-sync-arc,.tb-line{stroke-dasharray:none;stroke-dashoffset:0}
.he-tick,.he-chip,.he-core-glow{opacity:1;scale:1}
.wa-float:hover{transform:none}
}