:root{
--paper:#f3f1ec;--paper-2:#ebe8e1;--ink:#171717;--muted:#696969;--panel:#fff;--panel-soft:rgba(255,255,255,.72);
--line:rgba(23,23,23,.13);--accent:#ee7100;--accent-soft:#fff0e2;--shadow:0 18px 50px rgba(18,18,18,.08);
--radius:24px;--radius-sm:16px;--max:1440px}
body.dark{--paper:#151515;--paper-2:#1b1b1b;--ink:#f6f4ef;--muted:#aaa49d;--panel:#202020;--panel-soft:rgba(34,34,34,.8);
--line:rgba(255,255,255,.12);--accent-soft:#352213;--shadow:0 22px 60px rgba(0,0,0,.28)}
body.brand-simpli{--accent:#64ba5a;--accent-soft:#e8f7e6}body.dark.brand-simpli{--accent-soft:#20341e}
body.accent-blue{--accent:#2374d8;--accent-soft:#e6f1ff}body.dark.accent-blue{--accent-soft:#172b43}
body.accent-purple{--accent:#7657d5;--accent-soft:#eee9ff}body.dark.accent-purple{--accent-soft:#29223f}
body.accent-pink{--accent:#d84e8b;--accent-soft:#ffe8f2}body.dark.accent-pink{--accent-soft:#3d2030}
body.accent-teal{--accent:#168c83;--accent-soft:#e0f7f4}body.dark.accent-teal{--accent-soft:#173834}
body.accent-red{--accent:#cf4b42;--accent-soft:#ffebe8}body.dark.accent-red{--accent-soft:#3d211e}
body.simpli-dashboard .grid{grid-template-columns:repeat(5,minmax(0,1fr))}
body.simpli-dashboard .card{aspect-ratio:1.08}
*{box-sizing:border-box}html{scroll-behavior:smooth}
body{margin:0;background:linear-gradient(var(--line) 1px,transparent 1px),linear-gradient(90deg,var(--line) 1px,transparent 1px),var(--paper);
background-size:44px 44px;color:var(--ink);font-family:Inter,ui-sans-serif,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;min-height:100vh}
body:before{content:"";position:fixed;inset:0;pointer-events:none;z-index:-1;background:radial-gradient(circle at 10% 0%,color-mix(in srgb,var(--accent) 13%,transparent),transparent 34%),radial-gradient(circle at 88% 24%,rgba(106,90,205,.08),transparent 25%)}
a{color:inherit}.topbar{position:sticky;top:0;z-index:1000;margin:12px auto 0;width:min(calc(100% - 24px),var(--max));display:grid;grid-template-columns:auto 1fr auto;align-items:center;gap:24px;padding:11px 14px 11px 16px;border:1px solid var(--line);border-radius:20px;background:color-mix(in srgb,var(--paper) 76%,transparent);backdrop-filter:blur(18px);box-shadow:0 8px 30px rgba(0,0,0,.05)}
.logo{display:flex;align-items:center;gap:12px;min-width:0}.logo-img{height:42px;width:42px;object-fit:contain;display:block}.logo-title{display:block;font-size:.95rem;font-weight:850;letter-spacing:-.02em}.logo-sub{font-size:.68rem;color:var(--muted);white-space:nowrap}
.menu{display:flex;justify-content:center;gap:6px}.menu a{display:flex;align-items:center;gap:8px;text-decoration:none;padding:10px 12px;border-radius:12px;font-size:.78rem;font-weight:700;color:var(--muted);transition:.2s ease}.menu a:hover{background:var(--panel);color:var(--ink);transform:translateY(-1px)}.menu a i{color:var(--accent)}
.status{display:flex;align-items:center;gap:10px;font:700 .72rem/1 ui-monospace,SFMono-Regular,Menlo,monospace}#ip,#clock{padding:8px 9px;border:1px solid var(--line);border-radius:10px;background:var(--panel-soft)}#clock{color:var(--accent)}
.theme-toggle,.hamburger{border:1px solid var(--line);background:var(--panel);color:var(--ink);width:36px;height:36px;border-radius:11px;cursor:pointer}.hamburger{display:none}
.site-shell{width:min(calc(100% - 32px),var(--max));margin:0 auto}.hero{min-height:630px;display:grid;grid-template-columns:1.25fr .75fr;gap:48px;align-items:center;padding:52px 18px 64px;position:relative}
.eyebrow,.tag{display:inline-flex;align-items:center;gap:8px;width:max-content;border:1px solid var(--line);background:var(--panel-soft);border-radius:999px;padding:7px 10px;font:800 .68rem/1 ui-monospace,SFMono-Regular,Menlo,monospace;letter-spacing:.07em;text-transform:uppercase}
.eyebrow .dot{width:8px;height:8px;border-radius:50%;background:var(--accent);box-shadow:0 0 0 5px color-mix(in srgb,var(--accent) 12%,transparent)}
.hero h1{font-size:clamp(4.2rem,9.2vw,9.2rem);line-height:.82;letter-spacing:-.075em;margin:24px 0 28px;max-width:960px}.hero h1 .accent{color:var(--accent)}
.hero-copy{max-width:720px;font-size:clamp(1.05rem,1.7vw,1.35rem);line-height:1.58;color:var(--muted)}.hero-actions{display:flex;gap:10px;flex-wrap:wrap;margin-top:28px}
.button{display:inline-flex;align-items:center;gap:10px;text-decoration:none;padding:13px 16px;border-radius:14px;border:1px solid var(--line);font-size:.82rem;font-weight:800;background:var(--panel);transition:.2s ease}.button.primary{background:var(--ink);color:var(--paper);border-color:var(--ink)}.button:hover{transform:translateY(-2px);box-shadow:0 10px 24px rgba(0,0,0,.08)}
.hero-mark{position:relative;display:grid;place-items:center;min-height:500px}.hero-mark:before{content:"";position:absolute;width:min(32vw,440px);aspect-ratio:1;border-radius:46% 54% 60% 40%;background:var(--accent);opacity:.93;transform:rotate(-8deg)}
.hero-mark:after{content:"";position:absolute;width:min(29vw,400px);aspect-ratio:1;border:1px dashed color-mix(in srgb,var(--ink) 30%,transparent);border-radius:50%;transform:translate(26px,-22px);animation:orbit-ring 18s linear infinite}
.cai-stage{position:relative;z-index:2;width:min(36vw,480px);height:500px;outline:none;touch-action:pan-y;user-select:none}.cai-stage:focus-visible{border-radius:28px;box-shadow:0 0 0 3px color-mix(in srgb,var(--accent) 35%,transparent)}
.cai-character{--cai-x:0px;--cai-y:0px;--cai-facing:1;position:absolute;left:50%;bottom:46px;width:225px;max-width:47%;transform:translate(calc(-50% + var(--cai-x)),var(--cai-y));transition:transform .18s cubic-bezier(.2,.8,.2,1);cursor:grab;filter:drop-shadow(0 22px 18px rgba(0,0,0,.18));will-change:transform}.cai-character:active{cursor:grabbing}.cai-character.dragging{transition:none}.cai-character img{display:block;width:100%;height:auto;pointer-events:none;transform-origin:50% 100%;animation:cai-idle 3.8s ease-in-out infinite}.cai-character.facing-left{--cai-facing:-1}.cai-character.jumping{animation:cai-jump .72s cubic-bezier(.2,.8,.2,1)}.cai-character.reacting img{animation:cai-react .72s ease}
.cai-hint{position:absolute;top:18px;left:50%;transform:translateX(-50%);white-space:nowrap;padding:7px 10px;border:1px solid var(--line);border-radius:999px;background:var(--panel-soft);font:750 .62rem/1 ui-monospace,SFMono-Regular,Menlo,monospace;color:var(--muted);backdrop-filter:blur(10px)}.cai-hint i{color:var(--accent);margin-right:5px}.cai-controls{position:absolute;bottom:0;left:50%;transform:translateX(-50%);display:flex;gap:6px;padding:6px;border:1px solid var(--line);border-radius:15px;background:var(--panel-soft);backdrop-filter:blur(12px)}.cai-controls button{width:35px;height:35px;border:1px solid var(--line);border-radius:10px;background:var(--panel);color:var(--ink);cursor:pointer}.cai-controls button:hover{color:var(--accent);transform:translateY(-1px)}
@keyframes cai-idle{0%,100%{transform:translateY(0) rotate(-.6deg) scaleX(var(--cai-facing))}50%{transform:translateY(-5px) rotate(.6deg) scaleX(var(--cai-facing))}}@keyframes cai-jump{0%,100%{margin-bottom:0}45%{margin-bottom:75px}65%{margin-bottom:65px}}@keyframes cai-react{0%,100%{transform:rotate(0) scale(1) scaleX(var(--cai-facing))}30%{transform:rotate(-7deg) scale(1.04) scaleX(var(--cai-facing))}65%{transform:rotate(7deg) scale(1.04) scaleX(var(--cai-facing))}}@keyframes orbit-ring{to{transform:translate(26px,-22px) rotate(360deg)}}
.signal{display:flex;align-items:center;gap:9px;padding:0 18px 34px;color:var(--muted);font:750 .68rem/1 ui-monospace,SFMono-Regular,Menlo,monospace;letter-spacing:.04em;overflow:hidden}.signal .node{white-space:nowrap}.signal .wire{height:1px;min-width:25px;flex:1;background:var(--line);position:relative}.signal .wire:after{content:"";position:absolute;right:0;top:-3px;width:7px;height:7px;background:var(--accent);border-radius:50%}
.section{padding:48px 18px 22px}.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:22px}.kicker{font:850 .7rem/1 ui-monospace,SFMono-Regular,Menlo,monospace;color:var(--accent);letter-spacing:.08em;text-transform:uppercase}.section h2{font-size:clamp(2.4rem,5vw,5rem);line-height:.94;letter-spacing:-.055em;margin:8px 0 0}.section-intro{max-width:620px;color:var(--muted);line-height:1.55}
.sub{width:min(calc(100% - 32px),var(--max));margin:34px auto 0;padding:0 18px;font:850 .68rem/1 ui-monospace,SFMono-Regular,Menlo,monospace;text-transform:uppercase;letter-spacing:.08em;color:var(--accent)}.sub-text:before{content:"// ";color:var(--muted)}
.grid{width:min(calc(100% - 32px),var(--max));margin:0 auto;padding:16px 18px 18px;display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:14px}
.card{aspect-ratio:1.08;min-height:0;padding:18px;border:1px solid var(--line);border-radius:var(--radius-sm);background:var(--panel-soft);backdrop-filter:blur(12px);text-decoration:none;color:var(--ink);position:relative;overflow:hidden;display:flex;flex-direction:column;justify-content:flex-end;transition:.22s ease}.card:before{content:"";position:absolute;left:0;top:0;width:100%;height:4px;background:var(--accent);transform:scaleX(.18);transform-origin:left;transition:.22s ease}.card:hover{transform:translateY(-5px);background:var(--panel);box-shadow:var(--shadow)}.card:hover:before{transform:scaleX(1)}.card i{position:absolute;top:18px;right:18px;font-size:3.2rem;color:var(--accent)}.card h3{font-size:1.08rem;line-height:1.05;letter-spacing:-.025em;margin:0 66px 7px 0}.card p{font:650 .65rem/1.35 ui-monospace,SFMono-Regular,Menlo,monospace;color:var(--muted);margin:0;overflow-wrap:anywhere}.card .card-tag{position:absolute;left:18px;top:18px}
.feature{width:min(calc(100% - 32px),var(--max));margin:0 auto;padding:48px 18px 0}.feature-card{padding:42px;border:1px solid var(--line);border-radius:var(--radius);background:var(--panel-soft);box-shadow:var(--shadow)}.feature-card h2{font-size:clamp(2rem,5vw,4.7rem);line-height:.95;letter-spacing:-.055em;margin:0 0 18px}.feature-card p{color:var(--muted);font-size:1.05rem;line-height:1.6;max-width:850px}.feature-image{max-width:220px;height:auto}
.motd{width:min(calc(100% - 32px),var(--max));margin:18px auto 0;border:1px solid color-mix(in srgb,var(--accent) 25%,var(--line));background:var(--accent-soft);color:var(--ink);border-radius:14px;padding:10px 14px;display:flex;gap:10px;align-items:center;justify-content:center;font:750 .72rem/1.3 ui-monospace,SFMono-Regular,Menlo,monospace}.motd i{color:var(--accent)}
.footer{width:min(calc(100% - 32px),var(--max));margin:50px auto 14px;padding:22px 18px;border-top:1px solid var(--line);display:flex;justify-content:space-between;align-items:center;gap:20px;color:var(--muted);font-size:.76rem}.footer-made{font-weight:800;color:var(--ink)}.footer-made b{color:var(--accent)}
.dashboard-intro{width:min(calc(100% - 32px),var(--max));margin:0 auto;padding:50px 18px 14px;display:flex;align-items:flex-end;justify-content:space-between;gap:30px}.dashboard-intro h1{font-size:clamp(3rem,6vw,6.5rem);letter-spacing:-.065em;line-height:.85;margin:10px 0}.dashboard-intro p{max-width:560px;color:var(--muted);line-height:1.55}
.v4-back,.app-back{display:inline-flex;align-items:center;gap:8px;color:var(--muted);font:800 .72rem/1 ui-monospace,SFMono-Regular,Menlo,monospace;text-decoration:none}.v4-back:hover,.app-back:hover{color:var(--accent)}
.pagenotes{width:min(calc(100% - 32px),var(--max));margin:0 auto;padding:18px}.pagenotes-card{border:1px solid var(--line);background:var(--panel-soft);border-radius:var(--radius);padding:30px}.pagenotes-card h2,.pagenotes-card h3{letter-spacing:-.03em}.pagenotes-card p{color:var(--muted);line-height:1.65}
.contact-container{width:min(calc(100% - 32px),1000px);margin:56px auto;padding:0 18px}.contact-box{border:1px solid var(--line);background:var(--panel-soft);backdrop-filter:blur(12px);padding:clamp(24px,5vw,52px);border-radius:var(--radius);box-shadow:var(--shadow)}.contact-box h1,.contact-box h2{font-size:clamp(2.15rem,4vw,3.8rem);letter-spacing:-.045em;line-height:1;margin:0 0 20px}
.form-group{margin:0 0 18px}.form-group label{display:block;font:800 .68rem/1 ui-monospace,SFMono-Regular,Menlo,monospace;text-transform:uppercase;letter-spacing:.06em;margin:0 0 8px}.form-group input,.form-group select,.form-group textarea,#captcha-answer{width:100%;border:1px solid var(--line);background:var(--panel);color:var(--ink);border-radius:13px;padding:14px 15px;font:inherit;outline:none}.form-group input:focus,.form-group select:focus,.form-group textarea:focus,#captcha-answer:focus{border-color:var(--accent);box-shadow:0 0 0 3px color-mix(in srgb,var(--accent) 12%,transparent)}
.captcha-wrapper{display:grid;grid-template-columns:1fr 90px;gap:14px;align-items:center;padding:14px;border:1px dashed var(--line);border-radius:14px;margin:22px 0}.btn-group{display:flex;gap:10px}.btn{border:1px solid var(--line);border-radius:13px;padding:13px 16px;font-weight:800;cursor:pointer;background:var(--panel);color:var(--ink)}.btn-submit{background:var(--ink);color:var(--paper)}.btn:disabled{opacity:.4;cursor:not-allowed}
.error-page{min-height:calc(100vh - 120px);display:grid;place-items:center;padding:40px 20px;text-align:center}.error-code{font-size:clamp(7rem,22vw,18rem);font-weight:950;letter-spacing:-.11em;line-height:.7;color:var(--accent)}.error-page h1{font-size:clamp(2rem,5vw,4.5rem);letter-spacing:-.05em;margin:28px 0 12px}.error-page p{color:var(--muted);max-width:650px;line-height:1.6}
@media(max-width:1100px){.grid,body.simpli-dashboard .grid{grid-template-columns:repeat(4,minmax(0,1fr))}.status #ip{display:none}}
@media(max-width:850px){.topbar{grid-template-columns:1fr auto}.menu{display:none;position:absolute;left:0;right:0;top:68px;margin:0 6px;padding:8px;flex-direction:column;background:var(--paper);border:1px solid var(--line);border-radius:16px;box-shadow:var(--shadow)}.menu.open{display:flex}.menu a{justify-content:flex-start}.hamburger{display:inline-grid;place-items:center}.status{justify-content:flex-end}.hero{grid-template-columns:1fr;min-height:0;padding-top:44px}.hero-mark{min-height:480px}.hero-mark:before{width:330px}.hero-mark:after{width:300px}.cai-stage{width:min(92vw,440px);height:470px}.cai-character{width:205px}.signal{display:none}.grid,body.simpli-dashboard .grid{grid-template-columns:repeat(2,minmax(0,1fr))}.dashboard-intro{align-items:flex-start;flex-direction:column}}
@media(max-width:850px){.hero-mark{overflow:hidden;border-radius:28px}}
@media(max-width:580px){.logo-sub{display:none}.logo-img{width:36px;height:36px}#clock{display:none}.topbar{margin-top:7px;width:calc(100% - 14px)}.site-shell,.grid,.sub,.feature,.motd,.footer,.dashboard-intro{width:calc(100% - 12px)}.hero{padding:56px 10px 40px}.hero h1{font-size:clamp(3.7rem,20vw,6.4rem)}.grid{grid-template-columns:repeat(2,minmax(0,1fr));padding-left:10px;padding-right:10px}.card{aspect-ratio:1;min-height:0;padding:15px}.card i{top:15px;right:15px;font-size:2.4rem}.card h3{font-size:.96rem;margin-right:44px}.section{padding-left:10px;padding-right:10px}.section-head{align-items:flex-start;flex-direction:column}.footer{align-items:flex-start;flex-direction:column}}
@media(prefers-reduced-motion:reduce){.hero-mark:after,.cai-character img{animation:none}.cai-character,.card,.button{transition:none}}
.signal .node-start{display:inline-flex;align-items:center;gap:8px}
.signal-dot{width:8px;height:8px;flex:0 0 8px;border-radius:50%;background:var(--accent);box-shadow:0 0 0 4px color-mix(in srgb,var(--accent) 13%,transparent)}