/* NanoTarget landing — quiet dev-tool aesthetic: dark, precise, restrained motion */
:root{
  --bg:#0a0a0b;--bg2:#101013;--bg3:#16161a;--line:rgba(255,255,255,.08);--line2:rgba(255,255,255,.14);
  --fg:#f2f2f3;--fg2:#a1a1aa;--fg3:#6b6b74;
  --accent:#7cf0c0;--accent2:#ffb86b;--danger:#ff7b7b;--blue:#8ab4ff;
  --sans:"Geist",Inter,ui-sans-serif,system-ui,-apple-system,"Segoe UI",sans-serif;
  --mono:"Geist Mono","JetBrains Mono",ui-monospace,SFMono-Regular,Menlo,monospace;
  --r:12px;--ease:cubic-bezier(.22,1,.36,1);--w:1120px;
}
*{box-sizing:border-box}[hidden]{display:none!important}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%;overflow-x:clip}
body{margin:0;background:var(--bg);color:var(--fg);font:15px/1.6 var(--sans);letter-spacing:-.005em;-webkit-font-smoothing:antialiased;overflow-x:clip}
a{color:inherit;text-decoration:none}
b{font-weight:600}
code{font-family:var(--mono)}
::selection{background:rgba(124,240,192,.25)}

/* cursor — a dot and a lagging ring; grows over anything clickable */
.cur{position:fixed;left:0;top:0;pointer-events:none;z-index:9999;opacity:0;transition:opacity .3s}
body.has-cur .cur{opacity:1}
body.has-cur,body.has-cur a,body.has-cur button,body.has-cur [role=button],body.has-cur .f-btn{cursor:none}
.cur .dot{position:absolute;left:0;top:0;width:6px;height:6px;border-radius:50%;background:var(--fg);transform:translate(-50%,-50%);transition:width .2s,height .2s,background .2s}
.cur .ring{position:absolute;left:0;top:0;width:30px;height:30px;border-radius:50%;border:1.5px solid rgba(255,255,255,.5);transform:translate(-50%,-50%);transition:width .25s var(--ease),height .25s var(--ease),border-color .25s,background .25s}
.cur.hover .ring{width:48px;height:48px;border-color:rgba(124,240,192,.8);background:rgba(124,240,192,.06)}
.cur.hover .dot{width:4px;height:4px;background:var(--accent)}
.cur.press .ring{width:22px;height:22px}
.cur.text .ring{width:8px;height:30px;border-radius:4px}

/* scroll progress line (scroll-driven where supported, JS elsewhere) */
.scroll-line{position:fixed;left:0;top:0;height:2px;width:100%;background:linear-gradient(90deg,var(--accent),rgba(124,240,192,.4));transform-origin:left;transform:scaleX(0);z-index:60;pointer-events:none}
@supports (animation-timeline:scroll()){.scroll-line{animation:scroll-line linear both;animation-timeline:scroll(root)}@keyframes scroll-line{to{transform:scaleX(1)}}}

/* border beam (21st.dev pattern) */
@property --ba{syntax:'<angle>';inherits:false;initial-value:0deg}
.beam{position:relative}
.beam::before{content:"";position:absolute;inset:0;border-radius:inherit;padding:1px;background:conic-gradient(from var(--ba),transparent 0 72%,rgba(124,240,192,.9) 86%,transparent 100%);-webkit-mask:linear-gradient(#000 0 0) content-box,linear-gradient(#000 0 0);-webkit-mask-composite:xor;mask-composite:exclude;animation:beam 7s linear infinite;pointer-events:none;z-index:2}
@keyframes beam{to{--ba:360deg}}
.bezel.beam::before{padding:1.5px}

/* shimmer button */
.btn.shimmer{position:relative;overflow:hidden}
.btn.shimmer::after{content:"";position:absolute;inset:0;background:linear-gradient(110deg,transparent 35%,rgba(0,0,0,.14) 50%,transparent 65%);transform:translateX(-120%);animation:sheen 4s 1.5s infinite}

/* marquee */
.marquee{margin:44px auto 0;max-width:1000px}
.marquee-label{display:block;text-align:center;font-size:12px;color:var(--fg3);letter-spacing:.02em;margin-bottom:12px}
.marquee-track{overflow:hidden;-webkit-mask:linear-gradient(90deg,transparent,#000 15%,#000 85%,transparent);mask:linear-gradient(90deg,transparent,#000 15%,#000 85%,transparent)}
.marquee-row{display:flex;gap:10px;width:max-content;animation:marquee 38s linear infinite}
.marquee-track:hover .marquee-row{animation-play-state:paused}
.marquee-row span{white-space:nowrap;font-size:13px;color:var(--fg2);border:1px solid var(--line);border-radius:999px;padding:6px 12px;background:var(--bg2)}
@keyframes marquee{to{transform:translateX(-50%)}}

/* text reveal on headings */
.tr .tw{display:inline-block;opacity:0;filter:blur(8px);transform:translateY(10px);transition:opacity .6s var(--ease),filter .6s var(--ease),transform .6s var(--ease);transition-delay:calc(var(--i)*45ms)}
.tr.in .tw{opacity:1;filter:blur(0);transform:none}

/* dot pattern behind the feature grid */
.features{position:relative}
.features::before{content:"";position:absolute;left:50%;top:0;width:100vw;height:100%;transform:translateX(-50%);z-index:-1;background:radial-gradient(rgba(255,255,255,.07) 1px,transparent 1.2px) 0 0/22px 22px;-webkit-mask:radial-gradient(60% 60% at 50% 45%,#000 30%,transparent 100%);mask:radial-gradient(60% 60% at 50% 45%,#000 30%,transparent 100%);pointer-events:none}

.portal-chip{padding-left:6px;gap:9px}
.portal-chip .av{width:24px;height:24px;border-radius:50%;background:rgba(10,10,11,.15);color:inherit;display:grid;place-items:center;font-weight:700;font-size:11px}

/* nav */
.nav{position:sticky;top:0;z-index:50;display:flex;align-items:center;justify-content:space-between;gap:24px;padding:0 28px;height:60px;
  background:rgba(10,10,11,.6);backdrop-filter:saturate(140%) blur(14px);-webkit-backdrop-filter:saturate(140%) blur(14px);border-bottom:1px solid transparent;transition:border-color .3s}
.nav.scrolled{border-bottom-color:var(--line)}
.brand{display:flex;align-items:center;gap:10px;font-weight:600;letter-spacing:-.01em}
.mark{width:22px;height:22px;border-radius:7px;background:var(--fg);display:grid;place-items:center}
.mark span{width:8px;height:8px;border-radius:50%;background:var(--bg);box-shadow:0 0 0 3px var(--fg),0 0 0 4px var(--bg)}
.links{display:flex;gap:26px;color:var(--fg2);font-size:14px}
.links a{transition:color .2s}.links a:hover{color:var(--fg)}
.nav-right{display:flex;gap:10px;align-items:center}
.btn{display:inline-flex;align-items:center;gap:8px;height:36px;padding:0 14px;border-radius:9px;font-size:14px;font-weight:500;border:1px solid var(--line2);color:var(--fg);background:transparent;transition:transform .2s var(--ease),background .2s,border-color .2s,color .2s;white-space:nowrap;font-family:inherit}
.btn:hover{background:var(--bg3);border-color:rgba(255,255,255,.22)}
.btn:active{transform:scale(.98)}
.btn.primary{background:var(--fg);color:var(--bg);border-color:var(--fg)}
.btn.primary:hover{background:#fff}
.btn.secondary{background:var(--bg2)}
.btn.ghost{border-color:transparent;color:var(--fg2)}.btn.ghost:hover{color:var(--fg);background:var(--bg3);border-color:var(--line)}
.btn .arrow{transition:transform .25s var(--ease)}.btn:hover .arrow{transform:translateX(3px)}

/* hero */
main{max-width:var(--w);margin:0 auto;padding:0 24px}
.hero{padding:120px 0 40px;text-align:center;position:relative;--sx:50%;--sy:30%}
#aurora{position:absolute;left:50%;top:-60px;width:100vw;height:min(820px,110%);transform:translateX(-50%);z-index:-2;pointer-events:none;mask-image:linear-gradient(#000 55%,transparent 100%);-webkit-mask-image:linear-gradient(#000 55%,transparent 100%)}
.hero::after{content:"";position:absolute;left:50%;top:-60px;width:100vw;height:min(820px,110%);transform:translateX(-50%);z-index:-1;pointer-events:none;background:radial-gradient(420px circle at var(--sx) var(--sy),rgba(124,240,192,.07),transparent 70%);transition:background-position .2s}
.hero::before{content:"";position:absolute;left:50%;top:-60px;width:100vw;height:520px;transform:translateX(-50%);pointer-events:none;z-index:-1;
  background:radial-gradient(60% 55% at 50% 0%,rgba(124,240,192,.10),transparent 70%)}
.h1{font-size:clamp(33px,5.2vw,62px);line-height:1.05;letter-spacing:-.035em;font-weight:600;margin:26px auto 22px;max-width:900px}
.h1 .muted{color:var(--fg3)}
.h1 .w{display:inline-block;opacity:0;filter:blur(12px);transform:translateY(16px) scale(.98);animation:w-in .9s var(--ease) forwards;animation-delay:calc(.15s + var(--i) * 55ms)}
@keyframes w-in{to{opacity:1;filter:blur(0);transform:none}}
.rot-wrap{display:inline-flex;align-items:baseline}
.rot{display:inline-grid;text-align:left;vertical-align:baseline;transition:width .55s var(--ease);overflow-x:clip;overflow-y:visible}
.rot>span{grid-area:1/1;justify-self:start;opacity:0;transform:translateY(.55em);filter:blur(8px);transition:opacity .5s var(--ease),transform .6s var(--ease),filter .5s;color:var(--accent);white-space:nowrap;text-shadow:0 0 28px rgba(124,240,192,.35)}
.rot::after{content:"";position:absolute;left:0;right:0;bottom:.06em;height:.08em;border-radius:1em;background:linear-gradient(90deg,var(--accent),rgba(124,240,192,.2));transform-origin:left;animation:underline 2.6s var(--ease) infinite}
.rot{position:relative}
@keyframes underline{0%{transform:scaleX(0);opacity:0}18%{transform:scaleX(1);opacity:1}82%{transform:scaleX(1);opacity:1}100%{transform:scaleX(1);opacity:0}}
.rot>span.on{opacity:1;transform:none;filter:blur(0)}
.rot>span.out{opacity:0;transform:translateY(-.55em);filter:blur(8px)}
.sub{font-size:clamp(16px,1.5vw,19px);color:var(--fg2);max-width:720px;margin:0 auto 34px;line-height:1.55;text-wrap:pretty}
.sub b{color:var(--fg);font-weight:500}
.hero-actions{display:flex;gap:12px;justify-content:center;align-items:center;flex-wrap:wrap}
.npm{display:flex;align-items:center;gap:12px;height:46px;padding:0 6px 0 16px;border:1px solid var(--line2);border-radius:11px;background:var(--bg2);font-family:var(--mono);font-size:15px;position:relative;overflow:hidden}
.npm::after{content:"";position:absolute;inset:0;background:linear-gradient(110deg,transparent 30%,rgba(255,255,255,.06) 50%,transparent 70%);transform:translateX(-100%);animation:sheen 6s 2s infinite}
@keyframes sheen{0%{transform:translateX(-100%)}30%,100%{transform:translateX(100%)}}
.npm .prompt{color:var(--fg3)}
.npm .copy{height:34px;width:34px;display:grid;place-items:center;border-radius:8px;border:0;background:transparent;color:var(--fg2);transition:background .2s,color .2s}
.npm .copy:hover{background:var(--bg3);color:var(--fg)}
.hero-actions .btn.secondary{height:46px;border-radius:11px;padding:0 18px}
.proof{display:flex;flex-wrap:wrap;justify-content:center;gap:10px 28px;margin:34px auto 0;color:var(--fg3);font-size:13px}
.proof b{color:var(--fg2);font-weight:500}

/* product story — scroll-driven: steps on the left, sticky frame on the right, 3D point cloud behind */
.story{margin:72px auto 0;max-width:1120px;display:grid;grid-template-columns:minmax(260px,.9fr) minmax(0,1.6fr);gap:40px;text-align:left;align-items:start}
.story-steps{padding:12vh 0 8vh}
.ss{min-height:62vh;display:flex;flex-direction:column;justify-content:center;gap:10px;padding-right:16px;opacity:.28;transform:translateX(-6px);transition:opacity .5s var(--ease),transform .5s var(--ease)}
.ss.on{opacity:1;transform:none}
.ss-num{font:12px var(--mono);letter-spacing:.08em;color:var(--fg3)}
.ss.on .ss-num{color:var(--accent)}
.ss h3{margin:0;font-size:clamp(22px,2.4vw,30px);letter-spacing:-.03em;line-height:1.15;font-weight:600}
.ss p{margin:0;color:var(--fg2);font-size:16px;line-height:1.55;max-width:34ch}
.story-sticky{position:sticky;top:calc(50vh - 290px);min-height:560px;display:grid;align-content:center;min-width:0}
.story-steps{min-width:0}
#morph{position:absolute;top:-150px;left:-54%;width:112%;height:calc(100% + 300px);pointer-events:none;z-index:0;opacity:.95}
.story-sticky .tilt{position:relative;z-index:1;width:80%;margin-left:auto;min-width:0}
.tilt{perspective:1400px}
.tilt .bezel.in{transition:transform .18s ease-out,opacity .8s var(--ease)}
@media (max-width:980px){
  .story{grid-template-columns:minmax(0,1fr);gap:0;margin-top:40px}
  .story-steps{padding:0;display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px;margin-bottom:16px}
  .ss{min-height:0;opacity:.55;transform:none;padding:12px;border:1px solid var(--line);border-radius:12px;background:var(--bg2)}
  .ss h3{font-size:16px}.ss p{font-size:13.5px}
  .story-sticky{position:relative;top:auto;min-height:0}
  .story-sticky .tilt{width:100%}
  .story-note{width:100%}
  #morph{display:none}
}
@media (max-width:560px){.story-steps{grid-template-columns:1fr}.story-sticky{min-height:0}.frame-body{min-height:0}.f-main{padding:16px}.f-amount{font-size:26px}.frame-log{font-size:11px;padding:8px 12px}}
.frame{border:1px solid var(--line2);border-radius:14px;background:var(--bg2);overflow:hidden;box-shadow:0 30px 80px -30px rgba(0,0,0,.8),0 0 0 1px rgba(0,0,0,.4)}
.frame-bar{display:flex;align-items:center;gap:6px;height:38px;padding:0 14px;border-bottom:1px solid var(--line);background:var(--bg3)}
.frame-bar span{width:10px;height:10px;border-radius:50%;background:var(--line2)}
.frame-bar em{margin-left:12px;font:12px var(--mono);color:var(--fg3);font-style:normal}
.frame-body{position:relative;display:grid;grid-template-columns:56px 1fr;min-height:330px;background:#0d0d10}
.f-side{border-right:1px solid var(--line);padding:14px 0;display:flex;flex-direction:column;align-items:center;gap:14px}
.f-logo{width:28px;height:28px;border-radius:8px;background:var(--fg);color:var(--bg);font:600 11px var(--sans);display:grid;place-items:center;margin-bottom:6px}
.f-side i{width:18px;height:18px;border-radius:5px;background:var(--line)}
.f-main{padding:22px 24px}
.f-top{display:flex;justify-content:space-between;align-items:flex-start;margin-bottom:18px}
.f-title{font-weight:600;font-size:17px;letter-spacing:-.01em}.f-sub{font-size:12px;color:var(--fg3)}
.f-guard{display:inline-flex;align-items:center;gap:7px;font-size:12px;color:var(--fg2);border:1px solid var(--line);border-radius:999px;padding:4px 10px 4px 8px;background:var(--bg2);transition:border-color .4s,color .4s;max-width:52%;white-space:nowrap}
.f-guard span{overflow:hidden;text-overflow:ellipsis}
.f-guard i{width:7px;height:7px;border-radius:50%;background:var(--accent);transition:background .4s}
.f-guard.agent{border-color:rgba(255,184,107,.4);color:var(--accent2)}.f-guard.agent i{background:var(--accent2);animation:pulse 1.2s infinite}
.f-guard.block{border-color:rgba(255,123,123,.4);color:var(--danger)}.f-guard.block i{background:var(--danger)}
@keyframes pulse{0%,100%{box-shadow:0 0 0 0 rgba(255,184,107,.5)}60%{box-shadow:0 0 0 6px rgba(255,184,107,0)}}
.f-cards{display:grid;grid-template-columns:minmax(0,1.2fr) minmax(0,1fr);gap:14px}
.f-card{border:1px solid var(--line);border-radius:10px;padding:16px;background:var(--bg2);min-width:0}
.f-label{font-size:12px;color:var(--fg3);margin-bottom:8px}
.f-amount{font-size:30px;font-weight:600;letter-spacing:-.03em;font-variant-numeric:tabular-nums;transition:filter .4s,color .4s;min-height:38px}
.f-amount.sealed{filter:blur(7px);color:var(--fg3);user-select:none}
.f-row{display:flex;gap:8px;margin-top:14px}
.f-btn{font-size:12px;padding:6px 10px;border-radius:7px;background:var(--fg);color:var(--bg);font-weight:500;transition:transform .15s}
.f-btn.ghost{background:transparent;border:1px solid var(--line2);color:var(--fg2)}
.f-btn.pressed{transform:scale(.95)}
.f-notice{font-size:12px;margin-top:12px;min-height:18px;color:var(--fg2);opacity:0;transform:translateY(4px);transition:opacity .35s,transform .35s var(--ease)}
.f-notice.show{opacity:1;transform:none}
.f-notice.warn{color:var(--accent2)}.f-notice.bad{color:var(--danger)}.f-notice.ok{color:var(--accent)}
.f-kv{display:flex;justify-content:space-between;gap:12px;font-size:12px;padding:7px 0;border-top:1px solid var(--line)}
.f-kv:first-of-type{border-top:0}
.f-kv span{color:var(--fg3);flex:none}.f-kv b{font-weight:500;font-variant-numeric:tabular-nums;transition:filter .4s,color .4s;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;min-width:0;flex:1;text-align:right}
.f-kv b.sealed{filter:blur(5px);color:var(--fg3)}
.f-agent{position:absolute;left:0;top:0;width:220px;border:1px solid var(--line2);border-radius:12px;background:#141418;padding:12px;box-shadow:0 20px 50px -20px rgba(0,0,0,.9);opacity:0;transform:translateX(28px) scale(.98);transition:transform .55s var(--ease),opacity .4s;pointer-events:none;z-index:3}
.f-agent.in{opacity:1;transform:none}
.f-agent-head{font-size:12px;color:var(--fg2);display:flex;align-items:center;gap:6px;margin-bottom:10px}
.f-spark{color:var(--accent2)}
.f-msg{font-size:12px;padding:8px 10px;border-radius:9px;margin-top:6px;line-height:1.45}
.f-msg.user{background:var(--bg3);color:var(--fg);min-height:17px}
.f-msg.user.typing-in::after{content:"▍";color:var(--accent2);margin-left:1px;animation:caret 1s steps(1) infinite}
.f-amount.flash-mask{animation:flash-mask .7s var(--ease)}
@keyframes flash-mask{0%{color:var(--accent2);text-shadow:0 0 22px rgba(255,184,107,.55)}100%{color:inherit;text-shadow:none}}
.f-btn.flash-block{animation:flash-block .8s var(--ease)}
@keyframes flash-block{0%,40%{background:rgba(255,123,123,.18);border-color:rgba(255,123,123,.5);color:var(--danger)}100%{background:transparent}}
.f-msg.ai{background:transparent;border:1px solid var(--line);color:var(--fg2);min-height:34px}
.f-msg.ai.typing::after{content:"";display:inline-block;width:5px;height:5px;border-radius:50%;background:var(--fg3);box-shadow:9px 0 0 var(--fg3),18px 0 0 var(--fg3);animation:dots 1s infinite;margin-left:2px;vertical-align:middle}
@keyframes dots{0%,100%{opacity:.35}50%{opacity:1}}
.frame-log #f-log::after{content:"▍";color:var(--accent);animation:caret 1s steps(1) infinite;margin-left:1px}
@keyframes caret{50%{opacity:0}}
.f-passkey{position:absolute;left:50%;top:50%;transform:translate(-50%,-40%) scale(.96);opacity:0;pointer-events:none;display:flex;gap:12px;align-items:center;padding:14px 18px;border-radius:14px;background:#17171c;border:1px solid var(--line2);box-shadow:0 30px 60px -20px rgba(0,0,0,.9);transition:opacity .35s,transform .45s var(--ease);font-size:13px}
.f-passkey.in{opacity:1;transform:translate(-50%,-50%) scale(1)}
.f-passkey b{display:block;font-weight:600}.f-passkey span{color:var(--fg3);font-size:12px}
.f-pk-icon{width:36px;height:36px;border-radius:50%;border:2px solid var(--accent);position:relative}
.f-pk-icon::after{content:"";position:absolute;inset:7px;border-radius:50%;border:2px solid var(--accent);border-right-color:transparent;animation:spin 1.4s linear infinite}
@keyframes spin{to{transform:rotate(360deg)}}
.f-pointer{position:absolute;left:0;top:0;pointer-events:none;opacity:0;transition:opacity .3s;z-index:4;width:18px;height:18px}
.f-pointer .arrow{width:18px;height:18px;fill:#fff;stroke:#0a0a0b;stroke-width:1.2;filter:drop-shadow(0 2px 3px rgba(0,0,0,.6));flex:none}
.f-pointer.agent .arrow{fill:var(--accent2)}
.f-pointer.show{opacity:1}
.f-pointer .arrow{transform-origin:4px 3px}
.f-pointer.click .arrow{animation:ptr-click .5s var(--ease)}
@keyframes ptr-click{0%{transform:scale(1)}30%{transform:scale(1.55)}60%{transform:scale(.9)}100%{transform:scale(1)}}
.f-pointer::after{content:"";position:absolute;left:4px;top:3px;width:8px;height:8px;border-radius:50%;border:2px solid rgba(255,255,255,.9);transform:translate(-50%,-50%) scale(0);opacity:0}
.f-pointer.agent::after{border-color:rgba(255,184,107,.95)}
.f-pointer.click::after{animation:ptr-ring .6s var(--ease)}
@keyframes ptr-ring{0%{transform:translate(-50%,-50%) scale(.4);opacity:.9}100%{transform:translate(-50%,-50%) scale(5);opacity:0}}
.frame-log{font:12px/1.5 var(--mono);padding:10px 16px;border-top:1px solid var(--line);color:var(--fg2);background:var(--bg3);display:flex;gap:10px;white-space:nowrap;overflow:hidden}
.frame-log .k{color:var(--fg3)}
.story-cap{text-align:center;color:var(--fg3);font-size:14px;margin:16px 0 0;min-height:22px;transition:opacity .3s}
.story-cap.fade{opacity:0}


/* install block — the npm line is the centre of the page */
.install{display:flex;flex-direction:column;align-items:center;gap:14px}
.npm.big{height:58px;padding:0 8px 0 10px;border-radius:14px;font-size:17px;gap:12px;border-color:rgba(255,255,255,.2);background:linear-gradient(180deg,#141418,#0f0f12);box-shadow:0 20px 50px -30px #000}
.npm.big code{letter-spacing:-.01em}
.npm.big .copy{height:42px;width:42px;border-radius:10px}
.npm-mark{display:grid;place-items:center;width:26px;height:26px;color:#cb3837}
.npm-mark svg{width:26px;height:26px;fill:currentColor}
.install-row{display:flex;align-items:center;gap:14px;flex-wrap:wrap;justify-content:center}
.npm-link{font:13.5px var(--mono);color:var(--fg2);border-bottom:1px solid var(--line2);padding-bottom:1px;transition:color .2s,border-color .2s}
.npm-link:hover{color:var(--fg);border-color:var(--fg2)}
.npm-link .ext{font-family:var(--sans)}
.install-row .sep{color:var(--fg3)}
.install-row .btn.secondary{height:38px;border-radius:10px}
@media (max-width:560px){.npm.big{height:52px;font-size:15px}.install-row .sep{display:none}}

/* inline headline glyphs — a real fingerprint (the hand) and a glowing spark (the agent), no boxes */
.h1 .dim{color:var(--fg3)}
.h1 .g{display:inline-block;position:relative;height:.84em;vertical-align:-.1em;margin:0 .12em 0 .02em;line-height:0}
.h1 .g.fp{width:.7em;height:.92em;vertical-align:-.14em;margin:0 .14em 0 .04em}
.h1 .g.fp svg{height:100%;width:100%;overflow:visible;fill:none;stroke:var(--accent);stroke-width:3;stroke-linecap:round;stroke-linejoin:round;filter:drop-shadow(0 0 .05em rgba(124,240,192,.5)) drop-shadow(0 0 .22em rgba(124,240,192,.2))}
.h1 .g.fp svg path{stroke-dasharray:1;stroke-dashoffset:1;animation:draw 1.1s var(--ease) forwards;animation-delay:calc(.45s + var(--k,0) * 40ms)}
@keyframes draw{to{stroke-dashoffset:0}}
.h1 .g.fp::after{content:"";position:absolute;inset:-15% -25%;background:radial-gradient(closest-side,rgba(124,240,192,.22),transparent 70%);filter:blur(8px);z-index:-1;animation:halo 3.6s ease-in-out 1.8s infinite}
@keyframes halo{0%,100%{opacity:.35;transform:scale(.92)}50%{opacity:.8;transform:scale(1.06)}}
.h1 .g.sp{width:.84em}
.h1 .g.sp svg{position:absolute;inset:6%;width:88%;height:88%;fill:var(--accent2);stroke:none;filter:drop-shadow(0 0 .05em rgba(255,184,107,.8)) drop-shadow(0 0 .2em rgba(255,184,107,.35));animation:spin-in 1.1s var(--ease) .95s both,twinkle 3s ease-in-out 2.2s infinite}
.h1 .g.sp .glow{position:absolute;inset:-25%;border-radius:50%;background:radial-gradient(closest-side,rgba(255,184,107,.5),rgba(255,184,107,.12) 55%,transparent 75%);filter:blur(6px);animation:halo 3s ease-in-out 1.5s infinite}
.h1 .g.sp .p{position:absolute;width:.09em;height:.09em;border-radius:50%;background:#ffd9b0;box-shadow:0 0 .12em rgba(255,184,107,.9);opacity:0;animation:orbit 4.4s linear 1.6s infinite}
.h1 .g.sp .p1{left:78%;top:8%;animation-delay:1.6s}.h1 .g.sp .p2{left:6%;top:70%;animation-delay:2.6s;width:.06em;height:.06em}.h1 .g.sp .p3{left:86%;top:76%;animation-delay:3.4s;width:.07em;height:.07em}.h1 .g.sp .p4{left:14%;top:12%;animation-delay:4.1s;width:.05em;height:.05em}
@keyframes orbit{0%{opacity:0;transform:translate(0,0) scale(.4)}15%{opacity:1}55%{opacity:.9;transform:translate(.04em,-.12em) scale(1)}100%{opacity:0;transform:translate(.08em,-.28em) scale(.3)}}
@keyframes spin-in{from{transform:rotate(-70deg) scale(.4);opacity:0}to{transform:none;opacity:1}}
@keyframes twinkle{0%,100%{transform:scale(1) rotate(0)}50%{transform:scale(1.08) rotate(8deg)}}

/* device bezel — sections presented as hardware, as in the reference */
.bezel{padding:9px;border-radius:24px;background:linear-gradient(180deg,#26262b,#121216);box-shadow:inset 0 1px 0 rgba(255,255,255,.14),inset 0 -1px 0 rgba(0,0,0,.6),0 50px 110px -50px #000;transform-style:preserve-3d}
.bezel>*{border-radius:17px!important;border:0!important}
.bezel .cursor-demo{overflow:hidden}
.bezel.reveal{transform:perspective(1400px) rotateX(7deg) scale(.94);transition:opacity .8s var(--ease),transform .9s var(--ease)}
.bezel.reveal.in{transform:none}
@media (max-width:820px){.bezel{padding:6px;border-radius:18px}.bezel>*{border-radius:13px!important}.bezel.reveal{transform:translateY(16px)}}

.story-note{display:block;width:80%;margin:18px 0 0 auto;min-height:64px;position:relative;z-index:1;opacity:0;transform:translateY(6px);transition:opacity .4s,transform .45s var(--ease)}
.story-note.show{opacity:1;transform:none}
.story-note b{display:block;font-size:14.5px;font-weight:600;letter-spacing:-.015em;margin-bottom:4px;color:var(--fg)}
.story-note.ok b{color:var(--accent)}.story-note.warn b{color:var(--accent2)}.story-note.bad b{color:var(--danger)}
.story-note span{display:block;color:var(--fg2);font-size:13.5px;line-height:1.55;max-width:60ch}
.story-note em{display:inline-block;margin-top:8px;font:11.5px var(--mono);font-style:normal;color:var(--fg3);border:1px solid var(--line);border-radius:6px;padding:3px 8px;background:var(--bg2)}
.story-note em:empty{display:none}

/* sections */
section{padding:96px 0}
.sec-head{max-width:720px;margin:0 auto 44px;text-align:center}
.h2{font-size:clamp(26px,3.4vw,40px);letter-spacing:-.03em;line-height:1.12;font-weight:600;margin:0 0 14px;text-wrap:balance}
.lead{color:var(--fg2);font-size:16px;margin:0;text-wrap:pretty}
.lead a{color:var(--fg);border-bottom:1px solid var(--line2)}
.grid3{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:var(--line);border:1px solid var(--line);border-radius:14px;overflow:hidden}
.feat{background:var(--bg);padding:28px 26px;transition:background .3s;position:relative;overflow:hidden;--mx:50%;--my:50%}
.feat::before{content:"";position:absolute;inset:0;background:radial-gradient(260px circle at var(--mx) var(--my),rgba(124,240,192,.09),transparent 65%);opacity:0;transition:opacity .35s;pointer-events:none}
.feat:hover::before{opacity:1}
.feat:hover{background:var(--bg2)}
.feat>*{position:relative}
.feat .ico{width:34px;height:34px;border-radius:9px;border:1px solid var(--line2);display:grid;place-items:center;margin-bottom:18px;background:var(--bg2)}
.feat .ico svg{width:18px;height:18px;fill:none;stroke:var(--fg);stroke-width:1.6;stroke-linecap:round;stroke-linejoin:round}
.feat h3{margin:0 0 8px;font-size:16px;font-weight:600;letter-spacing:-.01em}
.feat p{margin:0;color:var(--fg2);font-size:14px;line-height:1.6}
.feat code{font-size:12.5px;color:var(--fg);background:var(--bg3);padding:1px 6px;border-radius:5px}

/* cursor demo */
.cursor-demo{border:1px solid var(--line);border-radius:14px;overflow:hidden;background:var(--bg2)}
.cursor-demo canvas{display:block;width:100%;height:auto}
.legend{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;padding:16px 20px;border-top:1px solid var(--line);font-size:13px;color:var(--fg2)}
.legend span{display:flex;gap:10px;align-items:flex-start}
.legend b{color:var(--fg);font-weight:500}
.legend .dot{width:8px;height:8px;border-radius:50%;flex:none;margin-top:6px}
.dot.human{background:var(--accent)}.dot.agent{background:var(--accent2)}.dot.bot{background:var(--blue)}

/* the statement */
.statement{padding:72px 0 40px;text-align:center}
.statement-text{margin:0 auto;max-width:900px;font-size:clamp(24px,3.6vw,44px);line-height:1.18;letter-spacing:-.03em;font-weight:600;color:var(--fg2)}
.statement-text .tw-line{display:block;opacity:0;transform:translateY(12px);filter:blur(6px);transition:opacity .7s var(--ease),transform .7s var(--ease),filter .7s var(--ease)}
.statement-text .tw-line:nth-child(2){transition-delay:.25s}.statement-text .tw-line:nth-child(3){transition-delay:.5s}
.statement.in .tw-line{opacity:1;transform:none;filter:blur(0)}
.statement-text em{font-style:normal;color:var(--fg)}
.statement-text .accent{color:var(--accent);margin-top:.35em}

/* code tabs */
.code-tabs{border:1px solid var(--line2);border-radius:14px;background:var(--bg2);overflow:hidden}
.tabs{display:flex;gap:2px;padding:8px 8px 0;border-bottom:1px solid var(--line);background:var(--bg3);overflow-x:auto}
.tabs button{font:13px var(--mono);color:var(--fg3);background:transparent;border:0;padding:9px 14px;border-radius:8px 8px 0 0;position:relative;transition:color .2s;white-space:nowrap}
.tabs button:hover{color:var(--fg2)}
.tabs button.on{color:var(--fg);background:var(--bg2)}
.tabs button.on::after{content:"";position:absolute;left:0;right:0;bottom:-1px;height:1px;background:var(--bg2)}
.code{margin:0;padding:22px 24px;font:13px/1.7 var(--mono);overflow-x:auto;color:var(--fg);animation:codeIn .35s var(--ease)}
@keyframes codeIn{from{opacity:0;transform:translateY(4px)}to{opacity:1;transform:none}}
.code .c{color:var(--fg3)}.code .k{color:var(--blue)}.code .s{color:var(--accent)}
.code-actions{display:flex;justify-content:space-between;gap:8px;padding:10px 12px;border-top:1px solid var(--line);background:var(--bg3)}

/* demo apps */
.apps{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}
.app{border:1px solid var(--line);border-radius:14px;background:var(--bg2);padding:22px;display:flex;flex-direction:column;gap:12px;transition:transform .35s var(--ease),border-color .3s}
.app:hover{transform:translateY(-3px);border-color:var(--line2)}
.app .glyph{width:38px;height:38px;border-radius:10px;background:var(--bg3);border:1px solid var(--line);display:grid;place-items:center;font-family:var(--mono);font-size:13px;color:var(--fg2)}
.app h3{margin:0;font-size:17px;font-weight:600;letter-spacing:-.01em}
.app p{margin:0;color:var(--fg2);font-size:14px;line-height:1.55;flex:1}
.app .rules{display:flex;flex-wrap:wrap;gap:6px}
.app .rules span{font:12px var(--mono);color:var(--fg2);border:1px solid var(--line);border-radius:6px;padding:2px 8px;background:var(--bg)}
.app .rules span.mask{color:var(--accent2)}.app .rules span.block{color:var(--danger)}.app .rules span.step_up{color:var(--blue)}
.app .row{display:flex;gap:8px;margin-top:4px}
.app .row .btn{flex:1;justify-content:center}

/* cta / footer */
.cta{text-align:center;border-top:1px solid var(--line);padding:110px 0}
.cta .lead{margin-bottom:30px}
.foot{max-width:var(--w);margin:0 auto;padding:26px 24px 40px;border-top:1px solid var(--line);display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;color:var(--fg3);font-size:13px}
.foot a{margin-left:18px;color:var(--fg2)}.foot a:hover{color:var(--fg)}

/* reveal */
.reveal{opacity:0;transform:translateY(18px);transition:opacity .7s var(--ease),transform .7s var(--ease),filter .7s var(--ease)}
.grid3 .feat.reveal,.apps .app.reveal{transform:translateY(14px) scale(.97);filter:blur(6px)}
.grid3 .feat.reveal.in,.apps .app.reveal.in{filter:blur(0)}
.reveal.in{opacity:1;transform:none}
.reveal-now{animation:up .8s var(--ease) both}
.reveal-now:nth-child(1){animation-delay:.05s}.reveal-now:nth-child(2){animation-delay:.12s}.reveal-now:nth-child(3){animation-delay:.2s}.reveal-now:nth-child(4){animation-delay:.28s}.reveal-now:nth-child(5){animation-delay:.36s}.reveal-now:nth-child(6){animation-delay:.5s}
@keyframes up{from{opacity:0;transform:translateY(16px)}to{opacity:1;transform:none}}
.grid3 .feat.reveal{transition-delay:calc(var(--i,0)*60ms)}
.toast{position:fixed;left:50%;bottom:28px;transform:translate(-50%,20px);opacity:0;background:var(--fg);color:var(--bg);font-size:13px;font-weight:500;padding:9px 14px;border-radius:9px;pointer-events:none;transition:opacity .25s,transform .35s var(--ease);z-index:60}
.toast.show{opacity:1;transform:translate(-50%,0)}

@media (prefers-reduced-motion:reduce){*{animation-duration:.01ms!important;transition-duration:.01ms!important}.reveal{opacity:1;transform:none}}
@media (max-width:980px){.grid3{grid-template-columns:1fr 1fr}.apps{grid-template-columns:1fr}.legend{grid-template-columns:1fr}}
@media (max-width:560px){#nav-gh{display:none}.portal-chip{padding-right:10px;gap:7px}}
@media (max-width:560px){.h1{font-size:clamp(27px,7.4vw,40px)}.sub{font-size:15px}.proof{gap:8px;flex-direction:column}}
@media (max-width:820px){
  .links{display:none}.nav{padding:0 16px}main{padding:0 16px}
  .hero{padding:64px 0 24px}section{padding:64px 0}
  .grid3{grid-template-columns:1fr}
  .frame-body{grid-template-columns:1fr}.f-side{display:none}.f-cards{grid-template-columns:1fr}
  .f-agent{position:static;width:auto;margin:14px 24px 20px;opacity:1;transform:none;display:none}.f-agent.in{display:block}
  .foot{flex-direction:column}.foot a{margin:0 18px 0 0}
}

/* cross-page transitions */
@view-transition{navigation:auto}
::view-transition-old(root){animation:vt-out .22s ease both}
::view-transition-new(root){animation:vt-in .32s cubic-bezier(.22,1,.36,1) both}
@keyframes vt-out{to{opacity:0;transform:translateY(-6px)}}
@keyframes vt-in{from{opacity:0;transform:translateY(8px)}}


.install-note{color:var(--fg3);font-size:13px}
@media (max-width:560px){.install-note{display:none}}