@font-face{font-family:KarmenSans;src:url('/assets/fonts/SourceHanSansCN-Regular.otf') format('opentype');font-display:swap}
:root{font-family:KarmenSans,"PingFang SC","Microsoft YaHei",system-ui,sans-serif;color:#202019;background:#f2eee6;line-height:1.65;--paper:#f2eee6;--paper-2:#e9e3d8;--ink:#202019;--muted:#6d6a60;--line:#d4cec1;--copper:#8b6642;--moss:#465344;--night:#1f241f;--white:#fcfaf6;--radius:28px;--shadow:0 28px 80px rgb(42 36 28 / .12)}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;overflow-x:hidden;background:var(--paper);color:var(--ink)}a{color:inherit}button,a{touch-action:manipulation}button{font:inherit}.skip-link{position:fixed;top:-60px;left:16px;z-index:99;background:#f2f1eb;color:#151513;padding:10px 16px;border-radius:8px}.skip-link:focus{top:12px}.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}.site-header{height:86px;padding:0 clamp(22px,4.5vw,76px);display:flex;align-items:center;gap:38px;position:fixed;inset:0 0 auto;z-index:20;border-bottom:1px solid transparent;transition:background .35s ease,border-color .35s ease,box-shadow .35s ease}.site-header.scrolled{background:rgb(242 238 230 / .9);border-color:var(--line);backdrop-filter:blur(18px);box-shadow:0 8px 30px rgb(42 36 28 / .05)}.wordmark{display:flex;align-items:center;gap:12px;text-decoration:none;font:600 16px/1 KarmenSans,sans-serif;letter-spacing:.18em;white-space:nowrap}.wordmark small{display:block;margin-top:7px;color:var(--muted);font-size:7px;letter-spacing:.24em}.mini-mark{width:40px;height:40px;position:relative;border:1px solid #8f806b;border-radius:50%;display:grid;place-items:center;background:radial-gradient(circle at 34% 27%,#e8d4a9 0 5%,#806144 6%,#32271d 62%,#161710 100%);color:#f7e9c6;box-shadow:inset -5px -8px 18px #0006}.mini-mark:before,.mini-mark:after,.mini-mark i{content:"";position:absolute;inset:7px;border:1px solid #e3c89488;border-radius:50%;transform:rotate(58deg)}.mini-mark:after{transform:rotate(-58deg)}.mini-mark i{transform:rotate(90deg);inset:10px}.mini-mark b{font-size:11px;position:relative;z-index:1}.site-nav{display:flex;align-items:center;gap:clamp(18px,2.6vw,38px);margin-left:auto}.site-nav a{text-decoration:none;color:#5e5c53;font-size:12px;position:relative}.site-nav a:after{content:"";position:absolute;left:0;right:100%;bottom:-8px;height:1px;background:var(--ink);transition:right .25s ease}.site-nav a:hover:after{right:0}.header-action{padding:10px 15px;border:1px solid #2b2c25;border-radius:999px;text-decoration:none;font-size:11px;white-space:nowrap}.header-action span{margin-left:10px}.nav-toggle{display:none;border:0;background:transparent;padding:10px}.nav-toggle>span:not(.sr-only){display:block;width:22px;height:1px;background:currentColor;margin:5px}
.hero{min-height:100svh;padding:clamp(130px,15vh,180px) clamp(22px,6vw,100px) 80px;display:grid;grid-template-columns:minmax(0,1.05fr) minmax(400px,.95fr);gap:clamp(40px,7vw,120px);align-items:center;position:relative;background:radial-gradient(circle at 82% 42%,#d9d0c1 0,transparent 33%),linear-gradient(122deg,#f8f5ee 0,#eee8de 58%,#ded7cb 100%)}.hero:before{content:"";position:absolute;inset:86px 0 0;background-image:linear-gradient(#6358460a 1px,transparent 1px),linear-gradient(90deg,#6358460a 1px,transparent 1px);background-size:72px 72px;mask-image:linear-gradient(90deg,black,transparent 72%);pointer-events:none}.hero-copy,.hero-visual{position:relative;z-index:1}.eyebrow,.kicker{font-size:9px;letter-spacing:.25em;color:#6e725f;text-transform:uppercase}.eyebrow{display:flex;align-items:center;gap:12px}.eyebrow span{width:38px;height:1px;background:#8b765e}.hero h1{font-size:clamp(48px,7vw,106px);font-weight:430;line-height:1.03;letter-spacing:-.055em;margin:24px 0 28px}.hero h1 em{font-style:normal;color:var(--copper)}.hero-lead{font-size:clamp(15px,1.5vw,19px);color:#5e5c53;max-width:650px;margin:0 0 34px}.hero-actions,.developer-copy>div,.final-cta>div{display:flex;gap:12px;flex-wrap:wrap}.button{min-height:48px;padding:12px 20px;border-radius:999px;display:inline-flex;align-items:center;justify-content:center;gap:12px;text-decoration:none;font-size:12px}.button-dark{background:var(--night);color:var(--white);border:1px solid var(--night)}.button-quiet{border:1px solid var(--line);background:#ffffff66}.button-light{background:var(--white);color:var(--night);border:1px solid var(--white)}.button-line{color:#f7f3ea;border:1px solid #ffffff40}.button:hover{transform:translateY(-2px)}.hero-facts{list-style:none;padding:0;margin:54px 0 0;display:flex;gap:36px;color:#56554d;font-size:11px}.hero-facts li{display:flex;align-items:center;gap:10px}.hero-facts span{font:9px ui-monospace,monospace;color:#8b7962}.hero-visual{min-height:620px;display:grid;place-items:center}.star-field{position:absolute;inset:0}.star-field i{position:absolute;width:3px;height:3px;background:#7d735f;border-radius:50%;box-shadow:0 0 14px #9f8a68}.star-field i:nth-child(1){left:13%;top:16%}.star-field i:nth-child(2){left:74%;top:10%}.star-field i:nth-child(3){right:4%;top:48%}.star-field i:nth-child(4){left:8%;bottom:25%}.star-field i:nth-child(5){right:18%;bottom:13%}.star-field i:nth-child(6){left:42%;top:4%}.astro-stage{width:min(38vw,500px);aspect-ratio:1;position:relative;display:grid;place-items:center;transform-style:preserve-3d;transition:transform .45s cubic-bezier(.2,.8,.2,1)}.astro-halo{position:absolute;inset:5%;border-radius:50%;background:radial-gradient(circle,#cdbb9944 0 16%,transparent 17% 48%,#9b815b1c 49%,transparent 70%);filter:blur(1px);box-shadow:0 0 90px #8d745535}.orbit{position:absolute;inset:8%;border:1px solid #5f4b3999;border-radius:50%;box-shadow:inset 1px 0 #f6e5bd88,0 0 0 5px #7f664410;transform-style:preserve-3d}.orbit-a{transform:rotateX(68deg) rotateZ(14deg)}.orbit-b{transform:rotateY(67deg) rotateZ(-24deg)}.orbit-c{inset:18%;border-color:#a38b6e88;transform:rotateX(52deg) rotateY(56deg)}.orbit:before{content:"";position:absolute;width:8px;height:8px;border-radius:50%;background:#f2dfaa;box-shadow:0 0 18px #b8965f;left:12%;top:17%}.astro-core{width:30%;aspect-ratio:1;border-radius:50%;display:grid;place-items:center;align-content:center;background:radial-gradient(circle at 33% 25%,#f0ddb0 0 3%,#8b6a48 4%,#3c2d20 46%,#151711 76%);color:#f5e7c1;box-shadow:inset -18px -22px 30px #0008,0 18px 60px #382b1d66;position:relative;z-index:2}.astro-core span{font:500 clamp(38px,5vw,68px)/1 Georgia,serif}.astro-core small{font-size:7px;letter-spacing:.3em;margin-left:.3em}.astro-axis{height:116%;width:1px;background:linear-gradient(transparent,#79634d 14% 86%,transparent);position:absolute;transform:rotate(18deg)}.visual-caption{position:absolute;right:0;bottom:2%;border-left:1px solid #a39886;padding-left:18px;width:190px}.visual-caption span{font:8px ui-monospace,monospace;letter-spacing:.18em;color:#797267}.visual-caption p{font-size:11px;margin:6px 0;color:#666157}
.section{padding:clamp(84px,10vw,150px) clamp(22px,6vw,100px);border-top:1px solid var(--line)}.section-label{display:flex;gap:18px;align-items:center;margin-bottom:clamp(45px,7vw,90px)}.section-label span{font:10px ui-monospace,monospace;color:#8a765e}.section-label p{font-size:11px;letter-spacing:.18em;margin:0}.manifesto{background:#f6f3ec}.manifesto-copy{display:grid;grid-template-columns:1fr 2.2fr;gap:40px;align-items:start}.manifesto-copy>p{color:#8a8174;font-size:13px}.manifesto h2,.boundary-copy h2,.developer-copy h2,.final-cta h2{font-size:clamp(36px,5.5vw,76px);font-weight:430;line-height:1.14;letter-spacing:-.045em;margin:0}.system-flow{margin-top:80px;display:grid;grid-template-columns:repeat(7,auto);align-items:stretch;gap:12px}.system-flow article{background:#eee9df;border:1px solid #ded7ca;padding:24px;border-radius:18px;min-height:180px}.system-flow article span{font:8px ui-monospace,monospace;letter-spacing:.17em;color:#897b69}.system-flow article strong{display:block;font-size:17px;margin:35px 0 9px}.system-flow article p{font-size:11px;color:var(--muted);margin:0}.system-flow>b{align-self:center;font-weight:400;color:#9e9588}.system-flow .system-result{background:var(--night);color:#f5f0e7;border-color:var(--night)}.system-flow .system-result p,.system-flow .system-result span{color:#aaa99e}

.services{background:#f6f3ec}.service-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.service-card{min-height:500px;padding:34px;border:1px solid var(--line);border-radius:24px;background:#ede7dc;position:relative;overflow:hidden;display:flex;flex-direction:column}.service-card:before{content:"";position:absolute;inset:0;background:radial-gradient(circle at 80% 10%,#ffffff04,transparent 38%);pointer-events:none}.card-qinglu{background:#e4eae7}.card-qelvant{background:#e2e7dd}.card-orbit{height:190px;display:grid;place-items:center;position:relative}.card-orbit:before,.card-orbit:after{content:"";position:absolute;width:155px;height:155px;border:1px solid #8e7a6088;border-radius:50%;transform:rotateX(64deg)}.card-orbit:after{transform:rotateY(64deg)}.card-orbit b{width:78px;height:78px;border-radius:50%;display:grid;place-items:center;background:#2e281f;color:#eadbb7;font:28px Georgia,serif;box-shadow:0 18px 35px #4c38234d}.card-qinglu .card-orbit b{background:#39494a}.card-qelvant .card-orbit b{background:#3f4a39}.card-index{font:8px ui-monospace,monospace;letter-spacing:.2em;color:var(--muted)}.service-card h3{font-size:30px;font-weight:450;margin:10px 0}.service-card>p:not(.card-index){font-size:12px;color:#68645a}.service-card>a{margin-top:auto;text-decoration:none;font-size:11px;display:flex;justify-content:space-between;padding-top:25px;border-top:1px solid #cfc8bb;position:relative}.service-card:hover{transform:translateY(-5px);box-shadow:0 20px 50px #342c2112}
.architecture{background:#eee9df}.boundary-layout{display:grid;grid-template-columns:.9fr 1.1fr;gap:clamp(60px,9vw,140px);align-items:center}.boundary-copy>p:not(.kicker){color:#666259;font-size:13px;margin:28px 0}.text-link{text-decoration:none;font-size:11px;border-bottom:1px solid #8e8679;padding-bottom:6px}.boundary-map{display:grid;grid-template-columns:1fr 90px 1fr;align-items:center}.boundary-map>div:not(.one-way){min-height:280px;border:1px solid #cdc5b8;border-radius:24px;padding:30px;display:flex;flex-direction:column;justify-content:center}.boundary-map small{font:8px ui-monospace,monospace;letter-spacing:.16em;color:var(--muted)}.boundary-map strong{font-size:20px;margin:30px 0 8px}.boundary-map span{font-size:11px;color:var(--muted)}.boundary-map .internal{background:#282d26;color:#f1ede4;border-color:#282d26}.boundary-map .internal small,.boundary-map .internal span{color:#a6aa9e}.boundary-map .internal i{font-size:9px;color:var(--copper);border-top:1px solid #ffffff26;margin-top:30px;padding-top:14px;font-style:normal}.one-way{text-align:center;position:relative}.one-way span,.one-way em{display:block;font-size:8px;color:var(--muted);font-style:normal}.one-way b{display:block;font-size:34px;font-weight:300;color:#8f6c48}
.developer-block{background:#343a31;color:#f4f0e7;display:grid;grid-template-columns:1fr 1fr;gap:80px;align-items:center}.developer-copy>p:not(.kicker){color:#b3b6ad;font-size:13px;max-width:560px;margin:28px 0}.code-window{background:#1f231e;border:1px solid #ffffff1a;border-radius:20px;overflow:hidden;box-shadow:0 28px 70px #0f130f55}.code-window header{height:54px;border-bottom:1px solid #ffffff16;display:flex;align-items:center;gap:12px;padding:0 20px}.code-window header span{font:9px ui-monospace,monospace;color:var(--copper);background:#ffffff0e;border-radius:4px;padding:3px 6px}.code-window header code{font-size:11px;color:#bec2b8}.code-window header i{margin-left:auto;width:7px;height:7px;background:var(--moss);border-radius:50%}.code-window pre{padding:28px;margin:0;color:#b9bab0;font:11px/1.9 ui-monospace,SFMono-Regular,Menlo,monospace;overflow:auto}.code-window pre b{color:var(--copper);font-weight:400}.code-window footer{padding:15px 20px;border-top:1px solid #ffffff16;color:#848a80;font-size:9px}.final-cta{min-height:680px;padding:120px 22px;display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;background:radial-gradient(circle at 50% 36%,#ded2bd,#f5f1e8 55%)}.final-cta h2{margin:22px 0 38px}.cta-mark{width:110px;height:110px;border-radius:50%;border:1px solid #8d765a;display:grid;place-items:center;margin-bottom:36px;position:relative}.cta-mark:before,.cta-mark:after{content:"";position:absolute;inset:15px;border:1px solid #9b8466;border-radius:50%;transform:rotateX(64deg)}.cta-mark:after{transform:rotateY(64deg)}.cta-mark span{width:45px;height:45px;border-radius:50%;background:#2f281f;color:#eadbb7;display:grid;place-items:center;font:18px Georgia,serif}.site-footer{padding:50px clamp(22px,6vw,100px);background:#1f231e;color:#eee9df;display:grid;grid-template-columns:1fr auto;gap:42px;align-items:start}.site-footer>div{display:flex;gap:28px}.site-footer>div a{font-size:11px;color:#a6a89f;text-decoration:none}.site-footer>p{grid-column:1/-1;border-top:1px solid #ffffff17;margin:0;padding-top:20px;color:#7e837a;font-size:9px}
.reveal{opacity:0;transform:translateY(24px);transition:opacity .8s cubic-bezier(.2,.7,.2,1),transform .8s cubic-bezier(.2,.7,.2,1)}.reveal.is-visible{opacity:1;transform:none}.service-card:nth-child(2){transition-delay:.1s}.service-card:nth-child(3){transition-delay:.2s}a:focus-visible,button:focus-visible{outline:2px solid #9c744d;outline-offset:4px;border-radius:4px}
@media(prefers-reduced-motion:no-preference){.orbit-a{animation:orbit-a 13s linear infinite}.orbit-b{animation:orbit-b 18s linear infinite reverse}.orbit-c{animation:orbit-c 22s linear infinite}.astro-halo{animation:breathe 4.5s ease-in-out infinite}.star-field i{animation:twinkle 3s ease-in-out infinite}.star-field i:nth-child(2n){animation-delay:1.2s}.mini-mark:before{animation:mini-orbit 9s linear infinite}.service-card,.button{transition:transform .28s ease,box-shadow .28s ease}@keyframes orbit-a{to{transform:rotateX(68deg) rotateZ(374deg)}}@keyframes orbit-b{to{transform:rotateY(67deg) rotateZ(336deg)}}@keyframes orbit-c{to{transform:rotateX(52deg) rotateY(56deg) rotateZ(360deg)}}@keyframes breathe{50%{transform:scale(1.05);opacity:.78}}@keyframes twinkle{50%{opacity:.25;transform:scale(.7)}}@keyframes mini-orbit{to{transform:rotate(418deg)}}}
@media(max-width:1080px){.site-nav{display:none}.nav-toggle{display:block;margin-left:auto}.site-nav.open{display:flex;position:absolute;top:75px;left:22px;right:22px;background:#f8f5ee;border:1px solid var(--line);border-radius:18px;padding:20px;flex-direction:column;align-items:flex-start;box-shadow:var(--shadow)}.hero{grid-template-columns:1fr .85fr}.hero-visual{min-height:500px}.system-flow{grid-template-columns:repeat(2,minmax(0,1fr))}.system-flow article{min-width:0}.system-flow>b{display:none}.system-flow .system-result{grid-column:auto}.service-grid{grid-template-columns:1fr 1fr}.service-card:last-child{grid-column:1/-1}.boundary-layout,.developer-block{grid-template-columns:1fr}.boundary-map{max-width:760px}}
@media(max-width:760px){.site-header{height:72px;padding:0 18px}.wordmark{font-size:13px}.mini-mark{width:34px;height:34px}.header-action{display:none}.site-nav.open{top:66px;left:12px;right:12px}.hero{display:block;min-height:auto;padding:124px 20px 70px}.hero h1{font-size:clamp(46px,14vw,72px)}.hero-lead{font-size:14px}.hero-facts{gap:14px;justify-content:space-between;margin-top:40px}.hero-facts li{display:block}.hero-facts span{display:block}.hero-visual{min-height:430px;margin-top:30px}.astro-stage{width:min(88vw,420px)}.visual-caption{right:10px}.section{padding:80px 20px}.section-label{margin-bottom:45px}.manifesto-copy{grid-template-columns:1fr;gap:20px}.manifesto h2,.boundary-copy h2,.developer-copy h2,.final-cta h2{font-size:clamp(36px,11vw,54px)}.system-flow{display:flex;overflow-x:auto;padding-bottom:12px;scroll-snap-type:x mandatory}.system-flow article{min-width:250px;scroll-snap-align:start}.system-flow>b{display:none}.service-grid{grid-template-columns:1fr}.service-card,.service-card:last-child{grid-column:auto;min-height:440px}.boundary-map{grid-template-columns:1fr}.one-way{padding:20px}.one-way b{transform:rotate(90deg)}.developer-block{gap:45px}.developer-block .button{width:100%}.code-window pre{font-size:9px;padding:20px}.final-cta{min-height:580px}.site-footer{grid-template-columns:1fr}.site-footer>div{flex-wrap:wrap;gap:18px}.site-footer>p{grid-column:auto}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*:before,*:after{animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important}.reveal{opacity:1;transform:none}}
.hero{grid-template-columns:minmax(0,1.15fr) minmax(380px,.85fr);gap:clamp(36px,5vw,88px)}.hero h1{font-size:clamp(48px,4.9vw,94px)}.hero h1>span,.hero h1>em{display:block;white-space:nowrap}
@media(max-width:1080px){.hero{grid-template-columns:minmax(0,1.1fr) minmax(340px,.9fr)}}
@media(max-width:760px){.hero{display:block}.hero h1{font-size:clamp(42px,12vw,64px)}.hero h1>span,.hero h1>em{white-space:normal}}

/* Original raster wordmark: preserve its full arc and intrinsic proportions. */
.wordmark { min-height: 44px; flex-shrink: 0; }
.brand-logo { display: block; width: 148px; height: auto; flex: none; }
.cta-logo { display: block; width: clamp(224px, 30vw, 340px); max-width: 80vw; height: auto; margin-bottom: 36px; }
@media (max-width: 600px) { .brand-logo { width: 124px; } }

/* Karmen Obsidian — a restrained, product-first brand layer. */
:root{
  color:#f2f1eb;
  background:#090909;
  --paper:#090909;
  --paper-2:#151513;
  --ink:#f2f1eb;
  --muted:#a3a49a;
  --line:#ffffff1f;
  --copper:#c5bea0;
  --moss:#7d806b;
  --night:#090909;
  --white:#f2f1eb;
  --panel:#151513;
  --raised:#1d1e1a;
  --edge:#30312b;
  --radius:32px;
  --shadow:0 36px 120px rgb(0 0 0 / .38);
}
body{background:var(--paper);color:var(--ink)}
::selection{background:#c5bea0;color:#090909}
.site-header{height:72px;padding:0 clamp(20px,3.2vw,52px);gap:34px;color:#f5f5f2;background:linear-gradient(#070707e8,#070707b8);border-bottom-color:#ffffff12;backdrop-filter:blur(22px)}
.site-header.scrolled{background:#070707e8;border-color:#ffffff18;box-shadow:0 12px 40px #0006}
.site-header .wordmark{font-size:14px}.site-header .wordmark small{color:#7f7f7a}.site-header .mini-mark{width:33px;height:33px;border-color:#a98a5c;background:radial-gradient(circle at 34% 27%,#f5db9e 0 4%,#866541 5%,#30251c 52%,#080808 100%)}
.site-nav a{color:#a9a9a4;font-size:11px}.site-nav a:hover{color:#fff}.site-nav a:after{background:#c5bea0}
.header-action{min-height:38px;padding:8px 15px;color:#080808;background:#f4f4f1;border-color:#f4f4f1;transition:transform .35s cubic-bezier(.2,.8,.2,1),background .25s ease}.header-action:hover{transform:translateY(-1px);background:#fff}
.signal-pill{display:inline-flex;align-items:center;gap:10px;margin:0 auto 18px;padding:6px 12px 6px 7px;border:1px solid #ffffff20;border-radius:999px;background:#ffffff08;color:#c9c9c3;text-decoration:none;font-size:10px;letter-spacing:.02em;transition:background .25s ease,border-color .25s ease,transform .25s ease}.signal-pill span{padding:2px 7px;border-radius:999px;background:#c5bea0;color:#111;font:7px/1.6 ui-monospace,monospace;letter-spacing:.12em}.signal-pill i{font-style:normal;color:#c5bea0}.signal-pill:hover{background:#ffffff0f;border-color:#ffffff35;transform:translateY(-1px)}
.hero{min-height:auto;padding:clamp(118px,13vh,148px) clamp(20px,4vw,64px) 44px;display:grid;grid-template-columns:1fr;gap:38px;align-items:start;text-align:center;background:radial-gradient(ellipse at 50% 40%,#3d33234d 0,transparent 36%),radial-gradient(ellipse at 50% 78%,#1b211b 0,transparent 48%),#070707}
.hero:before{inset:72px 0 0;background-image:linear-gradient(#ffffff08 1px,transparent 1px),linear-gradient(90deg,#ffffff08 1px,transparent 1px);background-size:88px 88px;mask-image:linear-gradient(to bottom,transparent,black 32%,transparent 88%)}
.hero-copy{width:min(1060px,100%);margin:auto;display:flex;flex-direction:column;align-items:center}
.eyebrow{justify-content:center;color:#8e8e88;font-size:8px;letter-spacing:.28em}.eyebrow span{background:#c5bea0}
.hero h1{font-size:clamp(52px,6.3vw,96px);font-weight:400;line-height:.98;letter-spacing:-.062em;margin:20px 0 25px}.hero h1 em{color:#f5f5f2;position:relative}.hero h1 em:after{content:"";position:absolute;left:22%;right:22%;bottom:-13px;height:1px;background:linear-gradient(90deg,transparent,#c5bea0,transparent)}
.hero-lead{max-width:720px;margin:0 auto 28px;color:#999995;font-size:clamp(14px,1.4vw,18px);line-height:1.7}
.hero-actions{justify-content:center}.button{min-height:48px;padding:12px 22px;border-radius:999px;font-size:11px;transition:transform .36s cubic-bezier(.2,.8,.2,1),box-shadow .36s ease,background .25s ease}.button-dark{background:#f5f5f2;color:#090909;border-color:#f5f5f2}.button-dark:hover,.button-light:hover{background:#fff;box-shadow:0 10px 34px #ffffff1d}.button-quiet{color:#e9e9e5;background:#ffffff05;border-color:#ffffff22}.button-quiet:hover{background:#ffffff0d;border-color:#ffffff35}.hero-facts{justify-content:center;margin-top:34px;color:#8d8d88}.hero-facts span{color:#c5bea0}
.hero-visual{width:min(1180px,100%);min-height:520px;margin:0 auto;border:1px solid #ffffff1a;border-radius:36px;overflow:hidden;background:radial-gradient(circle at 50% 45%,#8f6e3d38 0,transparent 22%),radial-gradient(circle at 50% 52%,#253025 0,transparent 44%),linear-gradient(145deg,#101110,#080808);box-shadow:inset 0 1px #ffffff12,0 40px 120px #0008}
.hero-media{position:absolute;inset:0;overflow:hidden;background:#090909}.hero-art{width:100%;height:100%;display:block;object-fit:cover;object-position:center 45%;transform:scale(1.015);transition:transform 1.1s cubic-bezier(.16,1,.3,1);filter:saturate(.82) contrast(1.04)}.hero-media:after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,#0001 48%,#0008),linear-gradient(90deg,#0005,transparent 23% 74%,#0004);pointer-events:none}.hero-sweep{position:absolute;z-index:2;inset:-30% auto -30% -16%;width:16%;transform:skewX(-12deg);background:linear-gradient(90deg,transparent,#fff3,transparent);filter:blur(20px);opacity:0}.hero-object-label{position:absolute;z-index:3;left:28px;bottom:24px;text-align:left;padding-left:14px;border-left:1px solid #d4b17a80}.hero-object-label span{display:block;color:#c5bea0;font:7px ui-monospace,monospace;letter-spacing:.18em}.hero-object-label strong{display:block;margin-top:5px;color:#d0d0cb;font-size:9px;font-weight:400}.visual-caption{z-index:4;right:28px;bottom:24px;text-align:left;border-color:#ffffff27}.visual-caption span{color:#c5bea0}.visual-caption p{color:#a4a49f}
.hero-demo{position:relative;z-index:1;width:min(1240px,100%);min-width:0;margin:0 auto;scroll-margin-top:90px}
.product-demo-toolbar{min-height:44px;display:flex;align-items:center;justify-content:space-between;gap:12px;margin:0 4px 12px;text-align:left}
.product-demo-note{margin:0;color:#999994;font-size:10px;line-height:1.6;letter-spacing:.02em}
.product-demo-controls{display:flex;align-items:center;gap:7px;flex-shrink:0}.product-demo-controls[hidden]{display:none}
.product-demo-controls button{min-height:44px;padding:7px 14px;border:1px solid #ffffff24;border-radius:999px;background:#151515;color:#d5d5cf;font-size:11px;cursor:pointer;transition:background .25s ease,border-color .25s ease}
.product-demo-controls button:hover{background:#222;border-color:#ffffff40}.product-demo-controls button[aria-pressed="true"]{border-color:#c5bea06e;color:#c5bea0}
.hero-product-grid{width:100%;margin:0 auto;display:grid;grid-template-columns:1fr 1.12fr .96fr;gap:12px;text-align:left;perspective:1400px}
.product-card{--rx:0deg;--ry:0deg;min-width:0;height:480px;border:1px solid #ffffff24;border-radius:28px;overflow:hidden;background:#151515;color:#eee;text-decoration:none;display:flex;flex-direction:column;transform:rotateX(var(--rx)) rotateY(var(--ry));transform-style:preserve-3d;transition:transform .7s cubic-bezier(.16,1,.3,1),border-color .35s ease,background .35s ease;box-shadow:inset 0 1px #ffffff0b}
.product-card:hover{border-color:#ffffff38;background:#151515}.product-surface{position:relative;flex:1;min-height:0;overflow:hidden;background:#151515}.product-card footer{flex:none;min-height:64px;padding:0 22px;display:flex;align-items:center;justify-content:space-between;gap:12px;border-top:1px solid #ffffff12}.product-card footer strong{font-size:13px;font-weight:500}.product-card footer span{font-size:10px;color:#a8a8a2;white-space:nowrap;transition:color .25s ease,transform .35s cubic-bezier(.16,1,.3,1)}.product-card:hover footer span{color:#fff;transform:translateX(3px)}
.motion-surface-heading{display:flex;align-items:center;justify-content:space-between;gap:12px;flex:none;height:36px;margin-bottom:12px;color:#c4c4bf;font:10px/1.5 ui-monospace,monospace;letter-spacing:.12em}.motion-surface-heading>span{display:flex;align-items:center;gap:9px}.motion-surface-heading small{font:11px/1.5 KarmenSans,sans-serif;letter-spacing:0;color:#979792}
.chat-surface{display:flex;flex-direction:column;padding:18px 22px 0;background:radial-gradient(circle at 20% 0,#242424,#181818 56%)}
.chat-viewport{position:relative;flex:1;min-height:0;overflow:hidden;mask-image:linear-gradient(to bottom,transparent,#000 18px,#000 calc(100% - 24px),transparent)}
.chat-track{position:absolute;inset:0 0 auto;will-change:transform;transform:translateY(0)}
.chat-track:not([style]){top:auto;bottom:0}
.chat-turn{height:auto;padding:12px 0 18px}
.bubble{width:86%;margin:0 0 18px auto;padding:12px 15px;border:1px solid #ffffff1c;border-radius:19px 19px 6px 19px;background:#2b2b2b;color:#e1e1dc;font-size:15px;line-height:1.65;overflow-wrap:anywhere}
.bubble.answer{width:92%;margin:0 auto 0 0;border-radius:6px 19px 19px;background:#323232;color:#c7c7c3}
.chat-avatar{width:34px;height:34px;flex:none}.chat-answer-body{position:relative;min-width:0;display:grid}.chat-answer-body>*{grid-area:1/1}
[data-turn-answer-full]{visibility:hidden;pointer-events:none}
.chat-dots{align-self:start;justify-self:start;margin:20px 0 0 17px;display:flex;align-items:center;gap:5px;height:8px}.chat-dots i{display:block;width:5px;height:5px;border-radius:50%;background:#bbb7af}
.work-surface{padding:20px 22px;background:radial-gradient(ellipse at 28% 25%,#22201d,#121212 56%)}
.work-top{height:16px;margin:0 0 13px;display:flex;align-items:center;gap:5px}.work-top i{width:6px;height:6px;border-radius:50%;background:#6a6a64}.work-top b{margin-left:9px;color:#999992;font:9px/1.5 ui-monospace,monospace;letter-spacing:.04em}
.work-identity{display:flex;align-items:center;gap:12px;margin-bottom:13px}.work-avatar{width:64px;height:64px;flex:none}.work-identity>div{min-width:0}.work-identity strong{display:block;color:#dbdbd5;font-size:15px;font-weight:400;line-height:1.6}.work-identity [data-bot-status]{display:block;margin-top:5px;min-height:20px;color:#aaa398;font-size:12px;line-height:1.7}
.work-progress{height:2px;margin:0 0 13px;overflow:hidden;background:#ffffff0d;border-radius:2px}.work-progress i{display:block;height:100%;background:linear-gradient(90deg,#78756e,#d4c6af);transform:scaleX(var(--work-progress,0));transform-origin:left}
.work-step{display:grid;grid-template-columns:19px minmax(0,1fr) 44px;gap:8px;align-items:center;padding:11px 3px;color:#969690;font-size:14px;line-height:1.5;border-bottom:1px solid #ffffff0c;transition:color 450ms ease,background 450ms ease}
.work-step i{font-style:normal;color:#8c8c84;font:16px/1.2 ui-monospace,monospace}.work-step em{font-style:normal;font-size:10px;text-align:right;white-space:nowrap;color:#93938c}.work-step[data-state="done"]{color:#d1d1ca}.work-step[data-state="done"] i{color:#bfb9ad}.work-step[data-state="active"]{color:#eeeae2;background:#ffffff03}.work-step[data-state="active"] i,.work-step[data-state="active"] em{color:#ceb893}
.work-summary{margin-top:16px;padding:12px 14px;min-height:92px;border:1px solid #ffffff16;border-radius:14px;background:#ffffff05}.work-summary>span{display:block;color:#b1a797;font:9px/1.4 ui-monospace,monospace;letter-spacing:.05em}.work-summary p{margin:7px 0 0;color:#c6c6bf;font-size:13px;line-height:1.65}
.api-surface{padding:14px 20px 20px;display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;background:radial-gradient(circle at 50% 34%,#242421,#121212 58%)}
.api-surface>p{margin:2px 0 13px;color:#b6b6b0;font:12px/1.5 ui-monospace,monospace}.api-surface>p span{color:#c2a77f}
.api-code-window{width:100%;margin:0;padding:16px 14px;border:1px solid #ffffff18;border-radius:12px;background:#0d0d0d;text-align:left;white-space:pre-wrap;overflow-wrap:anywhere}
[data-api-code]{display:block;min-height:96px;color:#d4d4cd;font:13px/1.8 ui-monospace,SFMono-Regular,Menlo,monospace;letter-spacing:-.035em}
.api-status{width:100%;margin-top:13px;color:#bdb8ad;font-size:11px;line-height:1.6;text-align:left}.api-status span{display:block;min-height:18px}.api-status small{display:block;margin-top:2px;color:#95958f;font-size:10px}
.motion-scene,[data-motion-card] [data-visible]{transition:opacity 450ms ease,transform 450ms cubic-bezier(.2,.7,.2,1)}
[data-motion-card] [data-visible="false"]{opacity:0;transform:translateY(8px);pointer-events:none}
[data-motion-card] [data-visible="true"]{opacity:1;transform:translateY(0)}
[data-typing]::after{content:"";display:inline-block;width:1px;height:1em;margin-left:3px;background:currentColor;vertical-align:-.1em;opacity:0}
[data-motion-card] [data-typing="true"]::after{opacity:.7;animation:product-caret 1s steps(1,end) infinite}
[data-motion-card] .chat-dots[data-visible="true"] i{animation:product-dot 1.25s ease-in-out infinite}.chat-dots i:nth-child(2){animation-delay:.16s}.chat-dots i:nth-child(3){animation-delay:.32s}
[data-motion-card][data-running="false"] *,[data-motion-card][data-running="false"] *::before,[data-motion-card][data-running="false"] *::after{animation-play-state:paused!important}
@keyframes product-caret{50%{opacity:0}}@keyframes product-dot{50%{opacity:.3;transform:translateY(-2px)}}
.section{border-color:var(--line);padding:clamp(90px,10vw,148px) clamp(20px,6vw,96px)}.section-label span{color:#c5bea0}.section-label p{color:inherit}.manifesto{background:var(--paper);color:var(--ink)}.manifesto-copy>p{color:var(--muted)}.manifesto h2{color:var(--ink)}.system-flow article{background:var(--panel);border-color:var(--edge);border-radius:22px}.system-flow article span{color:var(--copper)}.system-flow article p{color:var(--muted)}.system-flow .system-result{background:var(--raised);color:var(--ink);border-color:#66675b}.system-flow .system-result p,.system-flow .system-result span{color:#a9a9a3}

.services{background:var(--paper);color:var(--ink)}.service-card{min-height:510px;background:var(--panel);border-color:var(--edge);border-radius:28px;transition:transform .55s cubic-bezier(.2,.8,.2,1),box-shadow .55s ease}.service-card:after{content:"";position:absolute;inset:0 0 auto;height:1px;background:#c5bea033}.card-qinglu{background:var(--panel)}.card-qinglu:after{background:#c5bea033}.card-qelvant{background:var(--panel)}.card-qelvant:after{background:#c5bea033}.service-card>p:not(.card-index){color:var(--muted)}.service-card>a{border-color:var(--edge)}.service-card:hover{transform:translateY(-8px);box-shadow:0 30px 70px #1112}.card-orbit:before,.card-orbit:after{border-color:#8e7a6088}
.architecture{background:var(--paper);color:var(--ink)}.boundary-copy>p:not(.kicker){color:var(--muted)}.boundary-map>div:not(.one-way){background:var(--panel);border-color:var(--edge)}.boundary-map .internal{background:var(--raised);color:var(--ink);border-color:var(--edge)}.one-way b{color:#c5bea0}
.developer-block{background:radial-gradient(circle at 80% 20%,#7d806b12 0,transparent 36%),var(--paper);color:#f4f4f1;border-color:#ffffff14}.developer-copy>p:not(.kicker){color:#a4a49f}.code-window{background:#0b0b0b;border-color:#ffffff1f;border-radius:26px;box-shadow:0 36px 100px #0009}.button-line{border-color:#ffffff32}.final-cta{min-height:760px;color:#f4f4f1;background:radial-gradient(circle at 50% 38%,#c5bea00c 0,transparent 29%),var(--paper);border-color:#ffffff14}.cta-mark{border-color:#c5bea0}.site-footer{background:#070707;color:#eaeae6;border-top:1px solid #ffffff16}.site-footer>p{color:#73736e}.site-footer>div a{color:#9a9a95}.reveal{transform:translateY(30px) scale(.992);transition:opacity 1s cubic-bezier(.16,1,.3,1),transform 1s cubic-bezier(.16,1,.3,1)}
a:focus-visible,button:focus-visible{outline-color:#c5bea0}

@media(max-width:1080px){
  .nav-toggle{color:#fff}
  .site-nav.open{top:66px;background:#101010;border-color:#ffffff1f;box-shadow:0 30px 90px #000c}
  .hero{grid-template-columns:1fr}.hero-product-grid{grid-template-columns:1fr 1fr}.product-api{grid-column:1/-1;height:480px}.api-code-window{max-width:360px}.api-status{max-width:360px}
}
@media(min-width:900px) and (max-width:1080px){
  .hero-product-grid{grid-template-columns:repeat(3,minmax(0,1fr))}
  .product-api{grid-column:auto}
  [data-api-code]{font-size:12px}
}
@media(max-width:760px){
  .site-header{height:64px;padding:0 16px}.site-nav.open{top:59px}.nav-toggle{color:#fff}
  .hero{padding:116px 14px 28px;gap:38px}.signal-pill{margin-bottom:23px}.eyebrow{letter-spacing:.17em}.hero h1{font-size:clamp(47px,13.7vw,68px);line-height:1.02}.hero h1 em:after{bottom:-8px}.hero-lead{font-size:14px;max-width:92%}.hero-actions{width:100%}.hero-actions .button{flex:1;min-width:145px}.hero-facts{width:100%;margin-top:38px;padding-top:24px;border-top:1px solid #ffffff16}
  .product-demo-toolbar{align-items:flex-start;flex-direction:column;gap:9px;margin:0 6vw 14px}.product-demo-note{font-size:9px}.product-demo-controls button{min-height:44px;padding:8px 14px}
  .hero-product-grid{display:flex;overflow-x:auto;scroll-snap-type:x mandatory;margin-left:0;margin-right:0;padding:0 6vw 14px;scrollbar-width:none}.hero-product-grid::-webkit-scrollbar{display:none}.product-card,.product-api{height:480px;min-width:84vw;grid-column:auto;scroll-snap-align:center;border-radius:24px}.product-card:first-child{margin-left:0}.product-card footer{padding:0 20px}.chat-surface{padding:18px 18px 0}.bubble{padding:11px 13px;font-size:15px}.work-surface{padding:18px}.work-step{font-size:14px}.work-top b{font-size:8px}.api-code-window{max-width:none}
  .section{padding:82px 18px}.service-card{border-radius:24px}.developer-block{padding-left:18px;padding-right:18px}.final-cta{min-height:640px;padding-left:18px;padding-right:18px}
}

@media(prefers-reduced-motion:no-preference){.hero-sweep{animation:hero-sweep 9s cubic-bezier(.2,.7,.2,1) infinite 1.8s}@keyframes hero-sweep{0%,72%{left:-20%;opacity:0}78%{opacity:.2}90%{left:110%;opacity:.08}100%{left:110%;opacity:0}}}

/* The avatar owns its image and motion; surrounding layouts only size it. */
.hero-avatar{width:188px;height:188px;max-width:100%;flex:none}


.service-avatar-stage{height:190px;display:grid;place-items:center;position:relative}
.service-avatar-stage karmen-avatar{width:172px;height:172px}
@media(max-width:1080px){.hero-avatar{width:188px;height:188px}}
@media(max-width:760px){.hero-avatar{width:180px;height:180px}}
@media(prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  [data-motion-card],[data-motion-card] *,[data-motion-card] *::before,[data-motion-card] *::after{animation:none!important;transition:none!important}
  [data-motion-card]{transform:none!important}
  [data-motion-card] [data-typing]::after{display:none}
}

/* Product story: quiet editorial chapters and progressively enhanced detail cards. */
html:has([data-product-story]){scrollbar-gutter:stable}
html:has(.story-dialog[open]){overflow-y:hidden}
.product-story{--story-gutter:clamp(22px,6vw,96px);--story-ink:var(--ink);--story-muted:var(--muted);--story-paper:var(--paper);padding:112px 0 64px;background:var(--story-paper);color:var(--story-ink);scroll-margin-top:72px;overflow:hidden}
.story-heading{display:flex;justify-content:space-between;align-items:end;gap:48px;padding:0 var(--story-gutter);margin:0 auto 54px;max-width:1600px}
.story-kicker{margin:0 0 20px;color:var(--muted);font:10px/1.5 ui-monospace,SFMono-Regular,Menlo,monospace;letter-spacing:.17em}
.story-heading h2,.chapter-heading h2{margin:0;font-size:clamp(40px,5.3vw,76px);font-weight:500;line-height:1.13;letter-spacing:-.055em}
.story-heading>p{font-size:17px;color:var(--story-muted);line-height:1.8;margin:0 0 4px;max-width:390px}
.feature-rail{display:flex;gap:22px;align-items:flex-start;overflow-x:auto;scroll-snap-type:x mandatory;scroll-padding-inline:var(--story-gutter);overscroll-behavior-x:contain;padding:8px var(--story-gutter) 28px;scrollbar-width:thin;scrollbar-color:#c0c0bb transparent;-webkit-overflow-scrolling:touch}
.feature-card{flex:0 0 clamp(304px,31vw,408px);min-width:0;background:#fff;border:1px solid #dcdcd7;border-radius:30px;scroll-snap-align:start;overflow:hidden;color:#171717;box-shadow:0 6px 18px #16161603}
.feature-summary{display:block;position:relative;min-height:490px;padding:30px 30px 66px;cursor:pointer;list-style:none;overflow:hidden;border-radius:29px;isolation:isolate;-webkit-tap-highlight-color:transparent}
.feature-summary::-webkit-details-marker{display:none}
.feature-summary::marker{content:""}
.feature-category{display:block;position:relative;z-index:2;font-size:13px;font-weight:500;line-height:1.5;margin-bottom:13px}
.feature-summary h3{position:relative;z-index:2;margin:0;font-size:clamp(28px,2.6vw,37px);line-height:1.26;letter-spacing:-.035em;font-weight:500}
.feature-plus{position:absolute;z-index:4;right:22px;bottom:22px;width:36px;height:36px;border-radius:50%;display:grid;place-items:center;background:#242424;color:#fff;font:300 27px/1 system-ui,sans-serif;transition:transform .35s cubic-bezier(.2,.8,.2,1),background .25s ease}
.feature-summary:hover .feature-plus{transform:rotate(90deg);background:#454545}
.feature-summary:focus-visible{outline:3px solid #806037;outline-offset:-5px}
.feature-card[open] .feature-plus{transform:rotate(45deg)}
.feature-card-dark{background:#151515;border-color:#292929;color:#f5f5f1}
.feature-card-dark .feature-plus{background:#e6e6e1;color:#181818}
.feature-card-dark .feature-summary:focus-visible{outline-color:#c5bea0}
.feature-card-stone{background:#e4e5df;border-color:#d7d8d2}
.feature-art{position:absolute;inset:179px 0 48px;pointer-events:none;overflow:hidden}
.art-overline{display:block;font:8px/1.5 ui-monospace,monospace;color:#aaa9a3;letter-spacing:.12em}
.feature-copy{padding:0 30px 30px;color:var(--muted);font-size:14px;line-height:1.85}
.feature-copy p{margin:0 0 16px}.feature-copy ul{padding-left:18px;margin:18px 0 0}.feature-copy li+li{margin-top:8px}.feature-card-dark .feature-copy{color:#bcbcb6}
.feature-bottom{padding:20px var(--story-gutter) 0;display:flex;justify-content:space-between;align-items:center;gap:24px;max-width:1600px;margin:auto}
.feature-bottom>p{font-size:11px;color:var(--muted);line-height:1.7;margin:0}
.feature-controls{display:flex;align-items:center;gap:9px;flex-shrink:0}
.feature-controls button{min-width:44px;min-height:44px;display:grid;place-items:center;background:var(--raised);border:1px solid var(--edge);border-radius:50%;color:var(--ink);font-size:21px;cursor:pointer;transition:background .2s ease}
.feature-controls button[hidden]{display:none}.feature-controls button:hover{background:#30312b}.feature-controls button:disabled{color:#77796d;background:var(--panel);cursor:default}.feature-controls button:focus-visible{outline-color:#806037}
.story-chapter-nav{max-width:1600px;margin:44px auto 0;padding:32px var(--story-gutter) 0;display:flex;gap:32px;flex-wrap:wrap;border-top:1px solid var(--edge)}
.story-chapter-nav a{min-height:44px;display:inline-flex;align-items:center;gap:24px;text-decoration:none;font-size:13px;color:var(--muted)}.story-chapter-nav a:hover{color:var(--ink)}.story-chapter-nav a span{color:var(--copper)}

/* Every miniature is original, static CSS; it carries no service status. */
.art-conversation{padding:20px 27px 0;background:radial-gradient(ellipse at 60% 60%,#29292966,transparent 68%)}
.art-conversation .art-overline{margin:0 0 20px 2px}
.intro-bubble{max-width:90%;padding:14px 17px;font-size:15px;line-height:1.65;letter-spacing:-.02em;border:1px solid #ffffff14}
.intro-bubble-person{margin-left:auto;border-radius:19px 19px 4px;background:#333;color:#e2e2de;transform:rotate(-2deg)}
.intro-bubble-ai{margin:15px 10% 0 0;border-radius:4px 19px 19px;background:#ededeb;color:#222;transform:rotate(1.5deg)}
.intro-bubble-draft{display:flex;gap:5px;border:0;width:52px;padding:17px 10px}.intro-bubble-draft i{width:4px;height:4px;background:#91918c;border-radius:50%}
.art-knowledge{perspective:800px;overflow:visible}
.knowledge-sheet{position:absolute;left:50%;top:34px;width:170px;height:208px;margin-left:-85px;padding:24px;border:1px solid #d6d6d1;background:#fdfdfb;border-radius:12px;box-shadow:0 14px 28px #15151513;color:#222}
.knowledge-sheet>span{font:9px/1.3 ui-monospace,monospace;letter-spacing:.1em;color:#72726b;display:block;margin-bottom:22px}.knowledge-sheet>strong{display:block;font-size:16px;font-weight:500;margin-bottom:24px}.knowledge-sheet i{display:block;height:4px;margin-top:9px;border-radius:9px;background:#ddddd7}.knowledge-sheet i:nth-of-type(2){width:80%}.knowledge-sheet i:nth-of-type(3){width:59%}.knowledge-sheet>small{display:block;font-size:8px;margin-top:30px;color:#7a7a72}
.sheet-back{transform:translate(-65px,4px) rotate(-16deg);background:#e7e7e2}.sheet-mid{transform:translate(59px,-3px) rotate(14deg);background:#edede8}.sheet-front{transform:translateY(17px) rotate(-2deg)}
.art-memory{padding:24px 32px;overflow:visible}
.memory-spine{position:absolute;width:1px;top:28px;bottom:30px;left:42px;background:#b8bbb0}
.memory-note{position:relative;margin:0 0 14px 26px;padding:9px 14px;border:1px solid #b9bcb266;border-radius:11px;background:#292a25;color:#b9bab0}
.memory-note:before{content:"";position:absolute;left:-23px;top:21px;width:7px;height:7px;border-radius:50%;background:#929888;border:3px solid #e4e5df;box-sizing:content-box}
.memory-note span{display:block;font-size:9px;letter-spacing:.05em;margin-bottom:2px}.memory-note strong{font-size:15px;font-weight:400}.memory-note-current{background:#e0ded3;color:#24251f;border-color:#a8ad9b66;box-shadow:0 9px 20px #3038280a}
.art-workflow{padding:20px 36px}.art-workflow .art-overline{margin-bottom:19px}.workflow-node{display:flex;gap:16px;align-items:center;padding:15px 18px;background:#eeeeea;border:1px solid #eeeeea;border-radius:13px;color:#222;font-size:16px}.workflow-node b{font:10px/1.5 ui-monospace,monospace;color:#68685f}.workflow-link{height:17px;width:1px;background:#5a5a54;margin-left:30px}.node-outline{background:#232323;border-color:#5c5c55;color:#e3e3dd}.node-outline b{color:#a9a998}
.art-mail{overflow:visible;perspective:600px}
.mail-letter{position:absolute;top:18px;left:50%;width:208px;height:178px;transform:translateX(-50%) rotate(-5deg);background:#f2f1eb;color:#24251f;border:1px solid #d6d6cf;border-radius:12px;padding:22px;box-shadow:0 6px 30px #3331}
.mail-letter span{font-size:9px;color:#6b6b63;display:block;margin-bottom:15px}.mail-letter strong{font-size:14px;font-weight:500;display:block;margin-bottom:18px}.mail-letter i{height:4px;background:#ddddd5;border-radius:4px;display:block;margin-top:8px}.mail-letter i:nth-of-type(2){width:83%}.mail-letter i:nth-of-type(3){width:60%}
.mail-envelope{position:absolute;width:240px;height:132px;left:50%;top:115px;transform:translateX(-50%) rotate(-5deg);background:#e6e6df;border:1px solid #cacac2;border-radius:8px 8px 12px 12px;overflow:hidden;box-shadow:0 14px 26px #3331}
.mail-envelope:before,.mail-envelope:after{content:"";position:absolute;width:180px;height:180px;background:linear-gradient(135deg,#f1f1eb,#dadad2);border:1px solid #cecec6;transform:rotate(45deg);top:30px;left:-74px}.mail-envelope:after{left:auto;right:-74px;transform:rotate(-45deg)}
.mail-envelope span{position:absolute;inset:0;background:#e9e9e2;clip-path:polygon(0 100%,50% 26%,100% 100%);z-index:2}.mail-caption{position:absolute;left:0;right:0;bottom:-8px;font-size:9px;color:#73736a;text-align:center}
.art-api{padding:36px 32px 0;overflow:visible}
.api-key-glyph{position:relative;width:170px;height:80px;margin:0 auto 34px;transform:rotate(-24deg);filter:drop-shadow(0 12px 16px #0008)}
.api-key-glyph i{position:absolute;left:0;top:4px;width:70px;height:70px;border:12px solid #c6c6bd;border-radius:50%;background:#121212;box-shadow:inset 2px 2px 4px #fff5,2px 2px 3px #fff3}
.api-key-glyph b{position:absolute;left:63px;top:32px;width:105px;height:14px;background:linear-gradient(#eeeee5,#92928c);border-radius:2px 7px 7px 2px}.api-key-glyph b:before,.api-key-glyph b:after{content:"";position:absolute;right:18px;top:8px;height:22px;width:13px;background:linear-gradient(90deg,#c6c6bc,#9d9d97)}.api-key-glyph b:after{right:41px;height:16px}
.api-endpoint{border-top:1px solid #ffffff21;padding-top:20px;text-align:center}.api-endpoint span,.api-endpoint small{display:block;font:8px/1.4 ui-monospace,monospace;color:#a1a199;letter-spacing:.11em}.api-endpoint strong{display:block;font:18px/1.5 ui-monospace,monospace;color:#e5e5de;margin:8px 0 12px}
.art-control{overflow:visible}.control-orbit{position:absolute;width:235px;height:235px;left:50%;top:16px;margin-left:-117.5px;border:1px solid #acb09f;border-radius:50%;box-shadow:0 0 0 14px #bec1b017}.orbit-inner{width:184px;height:184px;margin-left:-92px;top:41px;border-color:#c1c5b7;box-shadow:none}.control-center{position:absolute;left:50%;top:74px;transform:translateX(-50%);width:124px;height:124px;border-radius:50%;background:#f2f1eb;color:#24251f;border:1px solid #fdfefa;display:flex;flex-direction:column;align-items:center;justify-content:center;box-shadow:0 16px 24px #42473512}.control-center span{font-size:25px;font-weight:500;letter-spacing:-.03em}.control-center strong{font-size:10px;font-weight:400;color:#666b5d;margin-top:6px}.control-label{position:absolute;padding:5px 12px;border-radius:20px;background:var(--raised);color:var(--ink);border:1px solid var(--edge);font-size:10px;line-height:1.5}.control-label-top{top:3px;left:50%;transform:translateX(-50%)}.control-label-left{top:176px;left:calc(50% - 129px)}.control-label-right{top:176px;right:calc(50% - 129px)}
.art-identity{overflow:visible;perspective:1000px}
.identity-panel{position:absolute;left:50%;top:19px;margin-left:-94px;width:188px;height:224px;padding:22px;border:1px solid #ccccbf;border-radius:22px;background:#f2f1eb;color:#24251f;box-shadow:0 14px 24px #2221}
.identity-panel>i{width:24px;height:24px;display:block;border-radius:50%;background:linear-gradient(140deg,#fff 15%,#a0a094 48%,#32332d 52%,#ebebe2 85%);margin-bottom:12px}.identity-panel>span{font-size:11px}.identity-panel>b{display:block;font-size:13px;line-height:1.75;font-weight:400;background:#e9e9e1;border-radius:12px;padding:12px;margin-top:20px}.identity-panel>em{display:block;height:24px;border:1px solid #dadacf;border-radius:15px;margin-top:21px}.identity-panel-back{transform:translate(-60px,-2px) rotate(-16deg);background:#dedfd8}.identity-panel-mid{transform:translate(58px,1px) rotate(13deg);background:#e9ebe3}.identity-panel-front{transform:translateY(15px) rotate(-3deg)}

.story-dialog{--dialog-padding:clamp(24px,5vw,70px);width:min(760px,calc(100vw - 40px));max-height:calc(100svh - 64px);padding:0 var(--dialog-padding) 44px;border:1px solid #ddd;border-radius:30px;background:var(--panel);color:var(--ink);box-shadow:0 30px 100px #0006;overflow-y:auto;overscroll-behavior:contain}
.story-dialog::backdrop{background:#070707b8;backdrop-filter:blur(10px)}
.story-dialog #feature-dialog-title{white-space:pre-line}
.story-dialog-bar{position:sticky;top:0;z-index:2;display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:90px;background:#fafaf7f5;backdrop-filter:blur(16px);border-bottom:1px solid #e1e1da}
.story-dialog-bar>span{font:9px/1.5 ui-monospace,monospace;letter-spacing:.08em;color:var(--muted)}.story-dialog-bar button{min-height:44px;padding:10px 14px;border:0;border-radius:24px;background:var(--raised);color:var(--ink);font-size:12px;cursor:pointer;flex-shrink:0}.story-dialog-bar button:hover{background:#30312b}
.story-dialog h2{font-size:clamp(30px,4.8vw,52px);font-weight:500;line-height:1.24;letter-spacing:-.035em;margin:34px 0 28px}.story-dialog-content{font-size:16px;line-height:1.9;color:#b9bab0}.story-dialog-content p{margin:0 0 23px}.story-dialog-content ul{padding:20px 0 4px 21px;margin:0;border-top:1px solid var(--edge)}.story-dialog-content li{padding:0 0 12px 5px}.story-dialog footer{border-top:1px solid var(--edge);margin-top:22px;padding-top:23px;display:flex;gap:12px;flex-wrap:wrap}.story-dialog footer>p{flex:0 0 100%;margin:0 0 5px;font-size:13px;color:var(--muted)}.story-dialog footer>a{display:inline-flex;align-items:center;justify-content:space-between;gap:24px;min-height:44px;padding:10px 16px;border:1px solid var(--edge);border-radius:24px;text-decoration:none;font-size:12px}.story-dialog footer>a:first-of-type{background:var(--white);color:var(--night);border-color:var(--white)}.story-dialog button:focus-visible,.story-dialog a:focus-visible{outline:2px solid #806037;outline-offset:4px}

.story-chapter{padding:clamp(84px,9vw,136px) clamp(22px,6vw,96px);scroll-margin-top:72px}
.chapter-context{background:var(--paper);color:var(--ink);border-top:1px solid var(--line)}.chapter-heading{max-width:1408px;margin:0 auto 70px;display:grid;grid-template-columns:1.2fr .8fr;gap:clamp(38px,7vw,112px);align-items:end}
.chapter-heading>p{max-width:450px;margin:0 0 4px;font-size:clamp(16px,1.55vw,20px);color:var(--muted);line-height:1.85}.chapter-heading>p strong{color:var(--ink);font-weight:400}
.context-stage{max-width:1408px;min-height:480px;position:relative;margin:auto;background:var(--panel);border:1px solid var(--edge);border-radius:32px;overflow:hidden;display:flex;align-items:center;justify-content:flex-end;padding:70px clamp(30px,6vw,90px);isolation:isolate}
.context-document{position:absolute;width:220px;height:278px;padding:29px;background:#f2f1eb;border:1px solid #cbccc1;border-radius:16px;left:10%;top:96px;box-shadow:0 20px 34px #565c3912;color:#24261d}.context-document span{display:block;font:8px/1.5 ui-monospace,monospace;letter-spacing:.1em;color:#777b6b;margin-bottom:30px}.context-document strong{display:block;font-size:23px;font-weight:400;margin-bottom:32px}.context-document i{display:block;height:5px;border-radius:3px;background:#d3d3c9;margin-top:13px}.context-document i:nth-of-type(2){width:80%}.context-document i:nth-of-type(3){width:65%}.context-document small{display:block;margin-top:41px;font-size:10px;color:#717564}.document-one{transform:rotate(-11deg);background:#deded3;left:8%;top:68px}.document-two{transform:rotate(5deg);left:18%;top:132px}
.context-thread{position:absolute;left:28%;top:44%;width:35%;height:40%;border:1px solid #bdc2b0;border-top:0;border-left:0;border-radius:0 0 120px 0;z-index:-1}
.context-focus{position:relative;max-width:49%;text-align:left;z-index:1}.context-focus>span{font:8px/1.5 ui-monospace,monospace;letter-spacing:.1em;color:var(--muted)}.context-focus h3{font-size:clamp(26px,3.2vw,48px);font-weight:500;line-height:1.4;letter-spacing:-.045em;margin:25px 0 31px}.context-focus>div{display:flex;gap:9px;flex-wrap:wrap}.context-focus b{font-size:10px;font-weight:400;color:#d3d3c9;border:1px solid var(--edge);background:var(--raised);padding:6px 13px;border-radius:18px}.stage-disclaimer{position:absolute;bottom:15px;left:30px;font-size:10px;color:var(--muted);margin:0}
.chapter-caption{max-width:1408px;margin:32px auto 0;display:flex;align-items:center;justify-content:space-between;gap:48px}.chapter-caption p{max-width:720px;margin:0;font-size:13px;color:var(--muted);line-height:1.85}.chapter-caption p strong{font-weight:500;color:var(--ink)}.chapter-caption>a{display:inline-flex;align-items:center;gap:22px;min-height:44px;color:var(--ink);font-size:13px;text-decoration:none;white-space:nowrap}.chapter-caption>a:hover{text-decoration:underline}
.chapter-workflow{background:var(--paper);color:#f2f2ed;border-top:1px solid #ffffff18}.chapter-workflow .story-kicker{color:#9f9f97}.chapter-workflow .chapter-heading>p{color:#93938b}.chapter-workflow .chapter-heading>p strong{color:#e5e5de}.chapter-workflow .chapter-caption p{color:#a2a299}.chapter-workflow .chapter-caption p strong,.chapter-workflow .chapter-caption>a{color:#e7e7df}
.workflow-stage{max-width:1408px;position:relative;margin:auto;display:grid;grid-template-columns:minmax(0,1fr) 84px minmax(0,1fr);align-items:center;min-height:380px;padding:46px;background:radial-gradient(ellipse at 40% 90%,var(--raised),var(--panel) 63%);border:1px solid #ffffff18;border-radius:32px;overflow:hidden}
.journey-client,.journey-team{height:306px;border:1px solid #ffffff27;border-radius:18px;overflow:hidden;background:#181818;position:relative;box-shadow:0 20px 34px #0004}.journey-client{transform:perspective(1200px) rotateY(5deg)}.journey-team{transform:perspective(1200px) rotateY(-5deg);background:#20201d}
.journey-window-head{height:40px;padding:0 16px;display:flex;align-items:center;gap:5px;border-bottom:1px solid #ffffff1a;color:#c1c1b8}.journey-window-head>span{display:block;width:5px;height:5px;border-radius:50%;background:#616159}.journey-window-head>b{font-size:9px;letter-spacing:.05em;font-weight:400;margin-left:10px}.journey-window-head>small{margin-left:auto;font-size:8px;color:#9b9b91}.journey-team .journey-window-head>b{margin-left:0}
.journey-page-lines{position:absolute;top:85px;left:25px;width:45%}.journey-page-lines i{display:block;height:6px;margin-bottom:13px;width:76%;background:#363630;border-radius:5px}.journey-page-lines i:first-child{height:12px;width:100%}.journey-page-lines i:last-child{width:48%}
.journey-chat{position:absolute;right:20px;bottom:20px;width:67%;border:1px solid #d5d5c8;background:#eeeee6;border-radius:16px;padding:17px;color:#26261e;box-shadow:0 15px 25px #0004}.journey-chat>span{font-size:10px;display:block}.journey-chat p{font-size:14px;line-height:1.7;background:#deded3;border-radius:8px 12px 12px;margin:12px 0;padding:12px}.journey-chat small{font-size:8px;color:#717161}
.journey-connector{display:flex;align-items:center;gap:5px;padding:0 12px;color:#b5b5a3;font-size:18px}.journey-connector>i{flex:1;height:1px;background:#646457}
.journey-work-item{margin:0 22px;padding:17px 0 14px;border-bottom:1px solid #ffffff17}.journey-work-item:last-child{border:0}.journey-work-item>span{display:block;font-size:9px;color:#9b9b8c;margin-bottom:7px}.journey-work-item strong{display:block;font-size:15px;color:#e0e0d6;font-weight:400;line-height:1.5}

@media(max-width:980px){
  .product-story{--story-gutter:32px;padding-top:84px}.story-heading{gap:28px}.story-heading>p{font-size:14px}.feature-card{flex-basis:330px}.feature-summary h3{font-size:31px}.chapter-heading{grid-template-columns:1fr 1fr;gap:40px;margin-bottom:45px}.chapter-heading>p{font-size:16px}.context-stage{min-height:440px;padding:40px}.context-document{width:178px;height:242px;padding:24px}.context-document strong{font-size:19px}.document-one{left:5%;top:70px}.document-two{left:16%;top:122px}.context-focus{max-width:46%}.context-focus h3{font-size:31px}.workflow-stage{padding:24px;grid-template-columns:minmax(0,1fr) 52px minmax(0,1fr)}.journey-connector{padding:0 8px}.journey-chat{right:12px;bottom:16px;width:79%;padding:12px}.journey-chat p{font-size:12px}.journey-work-item{margin:0 16px}.journey-work-item strong{font-size:13px}.chapter-caption{gap:28px}
}
@media(max-width:650px){
  .product-story{--story-gutter:22px;padding:68px 0 38px}.story-heading{display:block;margin-bottom:34px}.story-kicker{font-size:9px;margin-bottom:17px}.story-heading h2,.chapter-heading h2{font-size:41px;line-height:1.17}.story-heading>p{font-size:14px;line-height:1.7;margin:23px 0 0}.feature-rail{gap:16px;padding-bottom:20px}.feature-card{flex-basis:calc(100vw - 64px);max-width:360px;border-radius:25px}.feature-summary{padding:26px 24px 62px;min-height:480px;border-radius:24px}.feature-summary h3{font-size:30px}.feature-category{font-size:12px}.feature-art{inset:171px 0 49px}.feature-copy{padding:0 24px 26px}.feature-bottom{gap:17px;padding-top:15px;align-items:flex-start}.feature-bottom>p{font-size:10px;max-width:205px}.feature-controls{gap:6px}.feature-controls button{min-width:44px;min-height:44px}.story-chapter-nav{margin-top:25px;padding-top:21px;display:grid;gap:1px}.story-chapter-nav a{justify-content:space-between}.art-conversation{padding-inline:20px}.intro-bubble{font-size:14px;padding:12px 14px}.art-workflow{padding-inline:26px}.workflow-node{font-size:14px}.art-memory{padding-inline:25px}.memory-spine{left:35px}.memory-note{padding:9px 10px}.memory-note strong{font-size:13px}
  .story-dialog{width:calc(100vw - 20px);max-height:calc(100svh - 20px);border-radius:24px;padding-bottom:28px;--dialog-padding:23px}.story-dialog-bar{min-height:76px;gap:12px}.story-dialog-bar>span{font-size:8px}.story-dialog h2{font-size:32px;margin-top:28px}.story-dialog-content{font-size:15px}.story-dialog footer{gap:9px}.story-dialog footer>a{flex:1;gap:8px;min-width:105px;padding-inline:12px;font-size:11px}
  .story-chapter{padding:70px 22px}.chapter-heading{grid-template-columns:1fr;gap:25px;margin-bottom:35px}.chapter-heading>p{max-width:440px;font-size:15px}.context-stage{min-height:610px;padding:0;align-items:flex-end;justify-content:center;border-radius:26px}.context-document{width:168px;height:214px;top:50px;left:calc(50% - 133px);padding:21px}.context-document span{font-size:7px;margin-bottom:23px}.context-document strong{font-size:18px;margin-bottom:22px}.context-document small{margin-top:26px;font-size:9px}.document-two{left:calc(50% - 45px);top:90px}.context-thread{left:50%;top:235px;height:112px;width:1px;border-radius:0;border-right:1px solid #bec3b1}.context-focus{max-width:none;width:100%;padding:0 25px 66px;text-align:center}.context-focus h3{font-size:31px;margin:19px 0 22px}.context-focus>div{justify-content:center}.context-focus>span{font-size:7px}.stage-disclaimer{left:0;right:0;text-align:center;font-size:8px;bottom:16px}.chapter-caption{align-items:flex-start;flex-direction:column;gap:15px;margin-top:24px}.chapter-caption p{font-size:12px}.chapter-caption>a{font-size:12px}.workflow-stage{grid-template-columns:minmax(0,1fr);padding:22px;border-radius:26px;gap:0}.journey-client,.journey-team{height:278px;transform:none}.journey-connector{height:49px;justify-content:center;padding:0;transform:rotate(90deg);gap:7px;justify-self:center;width:49px}.journey-chat{width:75%;right:16px;bottom:17px;padding:15px}.journey-chat p{font-size:13px}.journey-work-item{padding:15px 0 13px;margin-inline:19px}.journey-work-item strong{font-size:14px}
}
@media(max-width:360px){
  .story-dialog #feature-dialog-title{font-size:26px}
  .feature-summary{padding-inline:21px}.feature-summary h3{font-size:28px}.feature-category{font-size:11px}.intro-bubble{font-size:12px}.art-conversation{padding-inline:17px}.art-knowledge,.art-identity{transform:scale(.85);transform-origin:center top}.mail-letter{width:184px}.mail-envelope{width:218px}.art-control{transform:scale(.88);transform-origin:center top}.art-api{padding-inline:24px}.api-endpoint strong{font-size:16px}.story-heading h2,.chapter-heading h2{font-size:36px}.workflow-stage{padding:14px}.journey-chat p{font-size:12px}.context-document{width:148px;left:calc(50% - 116px)}.document-two{left:calc(50% - 28px)}.context-focus h3{font-size:28px}
}
@media(prefers-reduced-motion:reduce){
  .feature-rail{scroll-behavior:auto}
  .feature-summary,.feature-plus,.feature-controls button{transition:none}
}

/* Premium surface refinement: one warm graphite palette, with ivory light. */
:root {
  --premium-graphite: #090909;
  --premium-ivory: #f2f1eb;
  --premium-silver: #c5bea0;
  --premium-ease: cubic-bezier(.2, .75, .25, 1);
}
::selection { background: #c5bea0; color: #090909; }
.hero {
  color: var(--premium-ivory);
  background: radial-gradient(ellipse at 50% 22%, #c5bea009, transparent 51%),
    var(--premium-graphite);
}
.hero::before {
  background-image: linear-gradient(90deg, transparent, #f2f1eb06 50%, transparent);
  background-size: 100% 100%;
  mask-image: linear-gradient(to bottom, transparent, #000 36%, transparent 85%);
}
.hero::after {
  content: "";
  position: absolute;
  inset: auto 12% 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, #ffffff16, transparent);
  pointer-events: none;
}
.premium-horizon {
  position: absolute;
  inset: 110px 0 auto;
  height: 620px;
  overflow: hidden;
  pointer-events: none;
  opacity: .85;
  mask-image: linear-gradient(90deg, transparent 1%, #000 20% 80%, transparent 99%);
}
.premium-horizon > span {
  position: absolute;
  left: 50%;
  top: 155px;
  width: 134%;
  height: 430px;
  border: 1px solid #f2f1eb12;
  border-top-color: #f2f1eb24;
  border-radius: 50%;
  transform: translateX(-50%) rotate(-12deg);
  box-shadow: 0 -1px #f2f1eb08, 0 -14px 40px #c5bea006, inset 0 14px 40px #f2f1eb03;
}
.premium-horizon > span:nth-child(2) { top: 189px; width: 112%; height: 355px; border-top-color: #f2f1eb1c; }
.premium-horizon > span:nth-child(3) { top: 226px; width: 90%; height: 285px; border-top-color: #f2f1eb14; }
.hero h1 { line-height: 1.09; letter-spacing: -.06em; text-wrap: balance; }
.hero h1 > span { color: #b9bab0; }
.hero h1 > em { margin-top: .08em; color: var(--premium-ivory); }
.hero h1 em::after {
  left: 28%;
  right: 28%;
  bottom: -.14em;
  background: linear-gradient(90deg, transparent, #c5bea028, transparent);
}
.hero-lead { color: #a3a49a; }
.eyebrow { color: #a3a49a; }
.eyebrow span { background: #c5bea0; }
.signal-pill {
  border-color: #ffffff1c;
  background: linear-gradient(180deg, #ffffff09, #ffffff03);
  color: #d3d3c9;
  box-shadow: inset 0 1px #ffffff08, 0 3px 12px #0002;
}
.signal-pill span { background: #e0ded3; color: #151513; }
.signal-pill i { color: #c5bea0; }
.hero-facts { color: #a3a49a; }
.hero-facts span { color: #c5bea0; }
.hero-actions .button-dark {
  background: linear-gradient(180deg, #fff, #e9e8df);
  border-color: #fff;
  box-shadow: inset 0 -1px #11111112, 0 6px 20px #0002;
}
.hero-actions .button-quiet {
  background: linear-gradient(180deg, #ffffff07, #ffffff02);
  border-color: #ffffff24;
  box-shadow: inset 0 1px #ffffff06;
}
.hero-actions .button:hover { transform: translateY(-1px); }
.hero-actions .button-dark:hover { box-shadow: inset 0 -1px #11111112, 0 7px 24px #0003; }
.product-demo-note { color: #a3a49a; }
.product-demo-hint { margin: 0; color: #a3a49a; font-size: 10px; letter-spacing: .04em; }
[data-playback="scroll-preview"] [data-preview-settled="true"] [data-typing]::after { visibility: hidden; }
.product-demo-controls button { background: #151513; border-color: #ffffff1f; color: #d3d3c9; }
.product-demo-controls button[aria-pressed="true"] { color: #f2f1eb; border-color: #c5bea070; }
.product-card {
  position: relative;
  isolation: isolate;
  transform: none;
  transform-style: flat;
  border-color: #ffffff26;
  background: #151513;
  box-shadow: inset 0 1px #ffffff0b, 0 12px 32px #0002;
  transition: border-color 320ms ease, box-shadow 400ms var(--premium-ease);
}
.product-card:hover { border-color: #ffffff38; background: #151513; }
.product-card footer { position: relative; background: #151513; border-color: #ffffff0f; }
.product-card footer span { color: #a3a49a; }
.chat-surface { background: radial-gradient(ellipse at 22% 0, #20211d, #151513 65%); }
.work-surface { background: radial-gradient(ellipse at 28% 15%, #20211d, #151513 67%); }
.api-surface { justify-content: flex-start; padding: 10px 20px 16px; background: #111; }
.api-model-stage { position: relative; display: grid; place-items: center; width: 100%; height: 174px; flex: none; background: radial-gradient(ellipse at 50% 55%, #ffffff04, transparent 68%); }
.api-model-pause { position: absolute; top: 0; right: -4px; min-width: 44px; min-height: 44px; padding: 0 10px; border: 1px solid #ffffff19; border-radius: 22px; background: #191919cc; color: #bababa; font-family: inherit; font-size: 11px; line-height: 1.4; cursor: pointer; }
.api-model-pause:hover { color: #fff; border-color: #ffffff45; }
.api-model-pause[aria-pressed="true"] { background: #e0e0dc; color: #171717; }
.api-model-pause:focus-visible { outline: 2px solid #dededb; outline-offset: 3px; }
.api-model-pause:disabled { cursor: default; color: #999; }
.api-model-pause[hidden] { display: none; }
.product-api { background: #111; }
.product-api:hover { background: #111; border-color: #ffffff38; }
.product-api footer { background: #131313; }
.product-api footer a { display: inline-flex; align-items: center; justify-content: center; gap: 12px; min-height: 44px; padding: 0 4px 0 10px; color: #b8b8b6; font-size: 12px; text-decoration: none; }
.product-api footer a:hover { color: #fff; }
.product-api footer a:focus-visible { outline: 2px solid #dededb; outline-offset: 3px; border-radius: 5px; }
.product-card .bubble { border-color: #ffffff16; background: #292a25; color: #f2f1eb; }
.product-card .bubble.answer { background: #1d1e1a; color: #d3d3c9; }
.work-progress i { background: linear-gradient(90deg, #7d806b, #c5bea0); }
.work-identity [data-bot-status], .work-summary > span { color: #a3a49a; }
.work-step[data-state="active"] i, .work-step[data-state="active"] em { color: #c5bea0; }
.api-surface > p span, .api-status { color: #b9b9b6; }
.api-code-window { padding-block: 12px; background: #0c0c0c; border-color: #ffffff13; box-shadow: inset 0 1px 12px #0001; }
.hero-avatar { filter: none; }
.product-story { --story-paper: var(--paper); --story-ink: var(--ink); --story-muted: var(--muted); }
.feature-card {
  border-color: #30312b;
  background: #151513;
  color: #f2f1eb;
  box-shadow: 0 2px 4px #00000003, 0 12px 26px #00000005;
  transition: border-color 320ms ease, box-shadow 400ms var(--premium-ease);
}
.feature-card-dark {
  background: linear-gradient(155deg, #1d1e1a, #151513 68%);
  border-color: #30312b;
  color: var(--premium-ivory);
}
.feature-card-stone { background: linear-gradient(145deg, #1d1e1a, #191a16); border-color: #30312b; }
.feature-summary { --surface-reflection: #f2f1eb0d; }
.feature-card-dark .feature-summary, .product-card { --surface-reflection: #f2f1eb0d; }
.feature-plus { width: 38px; height: 38px; background: #30312b; box-shadow: inset 0 1px #ffffff10; }
.feature-card-dark .feature-plus { background: #e0ded3; color: #151513; }
.feature-summary:hover .feature-plus { transform: rotate(90deg); background: #46473e; }
.feature-card-dark .feature-summary:hover .feature-plus { background: #fff; }
.feature-card[open] .feature-summary .feature-plus { transform: rotate(45deg); }
.feature-summary:focus-visible { outline-color: #c5bea0; }
.feature-card-dark .feature-summary:focus-visible { outline-color: #c5bea0; }
[data-premium-surface]::after {
  content: "";
  position: absolute;
  z-index: 5;
  inset: 0;
  border-radius: inherit;
  background: radial-gradient(330px circle at var(--surface-x, 50%) var(--surface-y, 30%), var(--surface-reflection), transparent 74%);
  box-shadow: inset 0 1px #ffffff0b;
  opacity: 0;
  pointer-events: none;
  transition: opacity 420ms var(--premium-ease);
}
[data-premium-surface]:focus-visible { outline: 2px solid #c5bea0; outline-offset: -5px; }
.feature-summary[data-premium-surface]:focus-visible { outline-color: #c5bea0; }
.feature-card-dark .feature-summary[data-premium-surface]:focus-visible { outline-color: #c5bea0; }
.reveal { opacity: 1; transform: none; transition: opacity 700ms var(--premium-ease), transform 700ms var(--premium-ease); }
html[data-reveal-ready="true"] .reveal:not(.is-visible) { opacity: 0; transform: translateY(20px); }
[data-premium-reveal] { transform-origin: 50% 100%; }
.hero h1 > [data-premium-reveal]:first-child { --reveal-delay: 100ms; }
.hero h1 > [data-premium-reveal]:last-child { --reveal-delay: 180ms; }
.story-dialog { background: #151513; border-color: #30312b; box-shadow: 0 32px 100px #00000066, 0 2px 8px #0002; }
.story-dialog-bar { background: #151513f5; border-color: #30312b; }
.story-dialog::backdrop { background: #090909b3; backdrop-filter: blur(8px); }
.story-dialog button:focus-visible, .story-dialog a:focus-visible { outline-color: #c5bea0; }
@media (hover: hover) and (pointer: fine) {
  [data-premium-surface][data-lit="true"]::after { opacity: 1; }
  .feature-card:has([data-lit="true"]) { border-color: #66675b; box-shadow: 0 3px 6px #00000004, 0 16px 30px #00000009; }
  .feature-card-dark:has([data-lit="true"]) { border-color: #66675b; box-shadow: 0 3px 6px #00000008, 0 16px 30px #0000000d; }
}
@media (prefers-reduced-motion: no-preference) {
  html[data-premium-ready="true"] .premium-horizon { animation: premium-horizon 1200ms var(--premium-ease) backwards; }
  html[data-premium-ready="true"] [data-premium-reveal] {
    animation: premium-reveal 760ms var(--premium-ease) var(--reveal-delay, 0ms) backwards;
  }
  .story-dialog[open] { animation: premium-dialog 320ms var(--premium-ease) both; }
  .story-dialog[open]::backdrop { animation: premium-backdrop 260ms ease both; }
  @keyframes premium-reveal {
    from { opacity: 0; transform: translateY(12px); filter: blur(3px); }
    to { opacity: 1; transform: none; filter: none; }
  }
  @keyframes premium-dialog {
    from { opacity: 0; transform: translateY(12px) scale(.99); }
    to { opacity: 1; transform: none; }
  }
  @keyframes premium-horizon {
    from { opacity: 0; transform: translateY(16px); }
    to { opacity: .85; transform: none; }
  }
  @keyframes premium-backdrop { from { opacity: 0; } to { opacity: 1; } }
}
@media (max-width: 760px) {
  .premium-horizon { inset-block-start: 150px; height: 410px; opacity: .6; }
  .premium-horizon > span { top: 120px; width: 180%; height: 220px; }
  .premium-horizon > span:nth-child(2) { top: 149px; width: 148%; height: 185px; }
  .premium-horizon > span:nth-child(3) { top: 175px; width: 116%; height: 150px; }
  .hero h1 { font-size: clamp(32px, 10.2vw, 58px); line-height: 1.13; }
  .hero h1 > em { margin-top: .06em; }
  .product-card { box-shadow: inset 0 1px #ffffff0b, 0 8px 16px #0001; }
}
@media (prefers-reduced-motion: reduce) {
  .reveal,
  html[data-reveal-ready="true"] .reveal:not(.is-visible),
  html[data-premium-ready="true"] [data-premium-reveal],
  html[data-premium-ready="true"] .premium-horizon,
  .story-dialog[open], .story-dialog[open]::backdrop {
    opacity: 1;
    transform: none;
    filter: none;
    animation: none !important;
    transition: none !important;
  }
  [data-premium-surface]::after { display: none; }
  .feature-card, .product-card, .feature-plus { transition: none; }
  .hero-actions .button:hover, .feature-summary:hover .feature-plus { transform: none; }
}

/* Capabilities: content-sized introduction and native, usable disclosures. */
.capabilities { background:#0a0a0a; color:#efefef; border-color:#ffffff14; padding-block:clamp(64px,7vw,104px); scroll-margin-top:76px; }
.capabilities .section-label { margin-bottom:24px; }
.capability-heading { display:flex; justify-content:space-between; align-items:end; gap:40px; margin:0 0 32px; }
.capability-heading h2 { margin:0; font-size:clamp(32px,3.8vw,52px); line-height:1.2; letter-spacing:-.04em; font-weight:450; }
.capability-heading > p { max-width:370px; margin:0; font-size:14px; line-height:1.85; color:#a3a3a3; }
.bento { display:grid; grid-template-columns:minmax(0,.85fr) minmax(0,1.15fr); align-items:start; gap:clamp(28px,5vw,76px); }
.bento-main { padding:32px; border:1px solid #ffffff20; border-radius:18px; background:#141414; }
.bento-main .kicker { margin:0 0 20px; color:#aaa; font-size:10px; letter-spacing:.15em; }
.bento-main h3 { margin:0 0 16px; font-size:clamp(26px,2.4vw,34px); font-weight:450; line-height:1.3; letter-spacing:-.025em; }
.bento-main > p:not(.kicker) { max-width:360px; margin:0; color:#aaa; font-size:14px; line-height:1.85; }
.customer-experience-link { display:flex; align-items:center; justify-content:space-between; gap:16px; min-height:48px; margin-top:24px; padding-top:16px; border-top:1px solid #ffffff20; color:#eee; font-size:14px; }
.customer-experience-link:hover { color:#fff; text-decoration:underline; text-underline-offset:4px; }
.capability-list { min-width:0; border-top:1px solid #ffffff24; }
.capability-item { border-bottom:1px solid #ffffff24; }
.capability-item summary { display:flex; align-items:center; gap:18px; min-height:82px; padding:16px 8px; list-style:none; cursor:pointer; }
.capability-item summary::-webkit-details-marker { display:none; }
.capability-item summary:hover { background:#ffffff04; }
.capability-number { flex:none; width:22px; color:#818181; font:11px ui-monospace,monospace; }
.capability-label { display:flex; min-width:0; flex:1; flex-direction:column; gap:5px; }
.capability-label strong { color:#e7e7e7; font-size:17px; line-height:1.45; font-weight:500; }
.capability-label > span { color:#979797; font-size:13px; line-height:1.6; }
.capability-toggle { width:20px; height:20px; flex:none; position:relative; color:#aaa; }
.capability-toggle::before,.capability-toggle::after { content:''; position:absolute; background:currentColor; top:9px; left:4px; width:12px; height:1px; }
.capability-toggle::after { transform:rotate(90deg); }
.capability-item[open] .capability-toggle::after { transform:none; }
.capability-item[open] .capability-label strong { color:#fff; }
.capability-detail { padding:0 46px 14px 48px; }
.capability-detail p { margin:0; color:#aaa; font-size:14px; line-height:1.85; overflow-wrap:anywhere; }
.capability-detail a { display:inline-flex; align-items:center; gap:14px; min-height:44px; margin-top:7px; color:#e5e5e5; font-size:13px; text-underline-offset:5px; }
.capability-detail a:hover { text-decoration:underline; }
.capabilities a:focus-visible,.capability-item summary:focus-visible { outline:2px solid #c5bea0; outline-offset:4px; border-radius:4px; }
@media (max-width:800px) {
  .capability-heading { display:block; margin-bottom:26px; }
  .capability-heading > p { margin-top:18px; max-width:520px; }
  .bento { grid-template-columns:1fr; gap:26px; }
  .bento-main { padding:24px; }
  .bento-main h3 { font-size:29px; }
  .bento-main > p:not(.kicker) { max-width:540px; }
  .bento-main .kicker { margin-bottom:14px; }
  .customer-experience-link { margin-top:20px; }
}
@media (max-width:420px) {
  .bento-main { padding:22px; }
  .bento-main h3 { font-size:26px; }
  .capability-item summary { gap:12px; padding-inline:4px; }
  .capability-number { width:19px; }
  .capability-label strong { font-size:16px; }
  .capability-detail { padding-left:35px; padding-right:12px; }
}

/* Customer experience: one usable window, shared by all three personalities. */
.showcase { background:#0a0a0a; color:#eee; scroll-margin-top:78px; }
.showcase .section-label { margin-bottom:28px; }
.showcase-head { max-width:1160px; margin:0 auto 38px; display:flex; justify-content:space-between; align-items:end; gap:36px; }
.showcase-head h2 { margin:0; font-size:clamp(32px,3.8vw,54px); line-height:1.15; font-weight:450; letter-spacing:-.04em; }
.showcase-head > p { margin:0; color:#aaa; font-size:14px; line-height:1.9; }
.showcase-head a { display:inline-flex; align-items:center; min-height:44px; color:#eee; text-underline-offset:5px; }
.showcase-shell { max-width:1160px; margin:auto; display:grid; grid-template-columns:minmax(200px,.8fr) minmax(0,1.2fr); align-items:start; gap:clamp(30px,6vw,100px); }
.service-tabs { display:flex; flex-direction:column; gap:6px; padding:16px 0; }
.service-tabs button { position:relative; display:flex; flex-direction:column; gap:6px; min-height:104px; padding:18px 24px; border:1px solid transparent; border-radius:12px; background:transparent; color:#929292; cursor:pointer; text-align:left; font:inherit; }
.service-tabs button small { font:10px ui-monospace,monospace; letter-spacing:.08em; }
.service-tabs button strong { font-size:19px; font-weight:450; }
.service-tabs button span { font-size:13px; }
.service-tabs button:hover { background:#131313; color:#eee; }
.service-tabs button[aria-selected="true"] { border-color:#ffffff20; background:#191919; color:#eee; }
.service-tabs button[aria-selected="true"]::after { content:'↗'; position:absolute; top:19px; right:20px; color:#bbb; }
.interface-preview { --showcase-panel:#151513; --showcase-text:#f2f1eb; --showcase-muted:#a3a49a; --showcase-edge:#ffffff1c; --showcase-ai:#1d1e1a; --showcase-user:#e0ded3; --showcase-user-text:#20211d; --showcase-accent:#c5bea0; min-width:0; }
.interface-preview[data-tone="qingluai"] { --showcase-panel:#151513; --showcase-ai:#1d1e1a; --showcase-user:#e0ded3; --showcase-accent:#c5bea0; }
.interface-preview[data-tone="qelvant"] { --showcase-panel:#151513; --showcase-ai:#1d1e1a; --showcase-user:#e0ded3; --showcase-accent:#c5bea0; }
.preview-canvas { position:relative; min-height:550px; }
.preview-chat { width:100%; height:550px; display:flex; flex-direction:column; overflow:hidden; border:1px solid var(--showcase-edge); border-radius:14px; color:var(--showcase-text); background:var(--showcase-panel); box-shadow:0 24px 64px #0005,0 1px 0 #ffffff08 inset; }
.chat-window-bar { display:flex; align-items:center; justify-content:space-between; padding:0 6px 0 18px; min-height:46px; flex:none; background:#ffffff03; border-bottom:1px solid var(--showcase-edge); }
.chat-window-bar > span { font:10px ui-monospace,monospace; letter-spacing:.06em; color:var(--showcase-muted); }
.chat-window-actions { display:flex; }
.chat-window-actions button { display:grid; place-items:center; min-width:44px; min-height:44px; padding:0; border:0; border-radius:6px; font:20px ui-sans-serif,system-ui,sans-serif; color:var(--showcase-muted); background:transparent; cursor:pointer; }
.chat-window-actions button:hover { background:#ffffff12; color:#fff; }
.chat-window-actions [data-showcase-close]:hover { background:#59413d; }
.showcase-body { min-height:0; flex:1; display:flex; flex-direction:column; }
.preview-chat header { display:flex; align-items:center; gap:12px; flex:none; padding:19px 22px 14px; }
.preview-chat header > div { min-width:0; }
.preview-chat header strong { display:block; font-size:15px; font-weight:500; line-height:1.5; }
.preview-chat header span { display:block; margin-top:3px; color:var(--showcase-muted); font-size:11px; }
.preview-chat .preview-avatar { width:38px; height:38px; flex:none; }
.showcase-thread { flex:1; min-height:0; overflow-y:auto; overscroll-behavior:contain; scrollbar-width:thin; scrollbar-color:#ffffff25 transparent; padding:8px 22px 18px; }
.preview-messages,.showcase-local-messages { display:flex; flex-direction:column; gap:14px; }
.showcase-local-messages:not(:empty) { margin-top:14px; }
.preview-messages p,.showcase-local-messages p { display:grid; margin:0; max-width:92%; flex:none; font-size:14px; line-height:1.8; overflow-wrap:anywhere; white-space:pre-wrap; padding:12px 15px; border-radius:4px 14px 14px; transition:opacity .35s ease,transform .35s ease; }
.message-ai { background:var(--showcase-ai); color:var(--showcase-text); align-self:flex-start; }
.message-user { background:var(--showcase-user); color:var(--showcase-user-text); align-self:flex-end; border-radius:14px 4px 14px 14px !important; }
.showcase-local-messages .message-notice { padding:0 4px; max-width:100%; color:var(--showcase-muted); font-size:12px; }
.showcase [data-showcase-full] { visibility:hidden; grid-area:1 / 1; pointer-events:none; }
.showcase [data-showcase-text] { grid-area:1 / 1; min-width:0; }
.showcase [data-visible="false"] { opacity:0; transform:translateY(6px); pointer-events:none; }
.showcase [data-visible="true"] { opacity:1; transform:none; }
.showcase [data-showcase-dots] { grid-area:1 / 1; display:flex; gap:5px; align-items:center; }
.showcase [data-showcase-dots] i { width:4px; height:4px; border-radius:50%; background:var(--showcase-muted); }
.showcase [data-showcase-dots][data-visible="true"] i { animation:showcase-dot 1.1s ease-in-out infinite; }
.showcase [data-showcase-dots] i:nth-child(2) { animation-delay:.14s; }
.showcase [data-showcase-dots] i:nth-child(3) { animation-delay:.28s; }
.showcase [data-typing="true"] [data-showcase-text]::after { content:'│'; opacity:.65; animation:showcase-caret 1s steps(1,end) infinite; }
@keyframes showcase-caret { 50% { opacity:0; } }
@keyframes showcase-dot { 50% { opacity:.35; transform:translateY(-2px); } }
.showcase [data-showcase-running="false"] *, .showcase [data-showcase-running="false"] *::after { animation-play-state:paused !important; }
.showcase-composer { flex:none; display:flex; gap:8px; align-items:end; margin:0 18px; padding:7px; border:1px solid #ffffff24; border-radius:13px; background:#ffffff04; }
.showcase-composer:focus-within { border-color:var(--showcase-accent); }
.showcase-composer textarea { flex:1; min-width:0; height:44px; max-height:110px; padding:10px 8px; border:0; outline:0; resize:none; background:transparent; color:var(--showcase-text); font-family:inherit; font-size:14px; line-height:24px; }
.showcase-composer textarea::placeholder { color:#999; }
.showcase-composer button { min-width:44px; height:44px; border:0; border-radius:9px; background:var(--showcase-user); color:var(--showcase-user-text); font-size:23px; cursor:pointer; }
.showcase-composer button:disabled { opacity:.35; cursor:default; }
.showcase-disclaimer { color:var(--showcase-muted); font-size:11px; text-align:center; margin:9px 12px 13px; }
.showcase [data-showcase-launcher] { display:flex; align-items:center; gap:14px; min-width:200px; min-height:52px; padding:12px 20px; border:1px solid #ffffff26; border-radius:12px; background:var(--showcase-panel); color:var(--showcase-text); font-family:inherit; font-size:14px; cursor:pointer; position:absolute; top:24px; right:0; }
.showcase [data-showcase-launcher] b { font-weight:400; }
.showcase [hidden] { display:none !important; }
.showcase [data-showcase-minimized="true"] { height:auto; }
.showcase button:focus-visible,.showcase a:focus-visible,.showcase-thread:focus-visible { outline:2px solid #c5bea0; outline-offset:3px; }
.showcase-expanded { padding:0; width:min(880px,calc(100vw - 48px)); max-width:none; max-height:none; border:0; border-radius:14px; background:transparent; overflow:visible; }
.showcase-expanded::backdrop { background:#000b; backdrop-filter:blur(8px); }
.showcase-expanded .preview-chat { height:min(820px,calc(100dvh - 48px)); width:100%; }
.showcase-expanded .showcase-thread { padding-inline:clamp(20px,6vw,64px); }
@media (max-width:800px) {
  .showcase-head { display:block; margin-bottom:24px; }
  .showcase-head > p { margin-top:18px; }
  .showcase-shell { display:block; }
  .service-tabs { display:grid; grid-template-columns:repeat(3,minmax(0,1fr)); gap:5px; padding:0 0 18px; }
  .service-tabs button { min-height:52px; padding:12px 8px; align-items:center; justify-content:center; }
  .service-tabs button strong { font-size:14px; }
  .service-tabs button small,.service-tabs button span,.service-tabs button[aria-selected="true"]::after { display:none; }
  .preview-canvas { min-height:540px; }
  .preview-chat { height:540px; }
  .showcase-composer textarea { font-size:16px; }
}
@media (max-width:480px) {
  .chat-window-bar { padding-left:12px; }
  .chat-window-bar > span { font-size:9px; letter-spacing:0; }
  .preview-chat header { padding:16px 14px 10px; gap:10px; }
  .preview-chat header strong { font-size:14px; }
  .showcase-thread { padding:8px 14px 16px; }
  .preview-messages p,.showcase-local-messages p { max-width:96%; padding:10px 12px; }
  .showcase-composer { margin-inline:10px; }
  .showcase-expanded { width:calc(100vw - 16px); }
  .showcase-expanded .preview-chat { height:calc(100dvh - 16px); }
}
@media (prefers-reduced-motion:reduce) {
  .showcase,.showcase *,.showcase *::before,.showcase *::after { animation:none !important; transition:none !important; }
  .showcase [data-showcase-text]::after { display:none; }
}

/* Mobile readability and touch layout — leave desktop composition and motion intact. */
.header-action { display:inline-flex; align-items:center; justify-content:center; min-width:68px; min-height:44px; font-size:13px; }
@media (max-width:760px) {
  .site-header { gap:12px; }
  .site-header .header-action { display:inline-flex; margin-left:auto; order:2; flex-shrink:0; min-width:60px; }
  .site-header .nav-toggle { order:3; margin-left:0; }
}
@media (max-width: 1080px) {
  .nav-toggle { min-width: 44px; min-height: 44px; flex-shrink: 0; }
  .site-nav.open {
    max-height: calc(100dvh - 88px);
    overflow-y: auto;
    overscroll-behavior-y: contain;
    align-items: stretch;
    gap: 2px;
    padding: 12px;
  }
  .site-nav.open a { min-height: 44px; font-size: 14px; display: flex; align-items: center; padding: 10px 12px; flex-shrink: 0; }
  .header-action { min-height: 44px; }
}
@media (max-width: 800px) {
  .hero-copy, .service-card{ min-width: 0; }
  .hero-actions .button, .final-cta .button { min-height: 52px; font-size: 14px; }
  .hero-facts span, .demo-toolbar > span, .demo-toolbar > p { font-size: 12px; }
  .section-label p { font-size: 12px; letter-spacing: .1em; } .boundary-copy > p:not(.kicker), .developer-copy > p:not(.kicker),
  .service-card > p:not(.card-index), .system-flow article p { font-size: 14px; line-height: 1.85; overflow-wrap: anywhere; }
  .service-card > a, .text-link { min-height: 44px; font-size: 13px; display: flex; align-items: center; }
  .service-card > a { padding-block: 14px; }
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  .code-window pre { font-size: 12px; line-height: 1.85; padding: 20px; }
  .code-window footer, .site-footer > p { font-size: 11px; line-height: 1.8; }
  .site-footer > div a { display: inline-flex; align-items: center; min-height: 44px; font-size: 13px; }
}
@media (max-width: 480px) {
  .hero-actions { gap: 12px; }
  .section { padding-inline: 16px; }
  
  
  
  
  
  
  
  
  
  
  
  
  
  .service-card { padding: 25px; }
  .boundary-map > div:not(.one-way) { padding: 25px; }
}