:root{color-scheme:light;--bg:#faf8f3;--ink:#101820;--muted:#50565d;--accent:#dba63e;--on-accent:#16130b;--surface:#faf7f0eF;--tile:#ffffff91;--line:#9d8b6e36;--shadow:#38281126;--hero-shade:#fffdf5e8;--alternate:#f0ece4;--logo:#17202a;--scrim:#ffffff36;--overlay:#10182099;--cool:#1679bc;--heat:#a94d07;--knob:#fff;--alert-bg:#ffece0;--alert-ink:#9d3508}
[data-theme=dark]{color-scheme:dark;--bg:#0c1216;--ink:#f8f5ed;--muted:#bac3c9;--accent:#f5a54c;--on-accent:#201307;--surface:#10191fef;--tile:#1a262dbd;--line:#8aa5b64d;--shadow:#0008;--hero-shade:#04090de8;--alternate:#121c23;--logo:#fff;--scrim:#03090940;--overlay:#000a;--cool:#75d5fb;--heat:#ffae61;--knob:#fff5e6;--alert-bg:#3d1b0dec;--alert-ink:#ffb77d}
*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:90px}body{margin:0;background:var(--bg);color:var(--ink);font:16px/1.6 system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif}button{cursor:pointer;font:inherit;color:inherit}a{color:inherit}button,a{-webkit-tap-highlight-color:transparent}a:focus-visible,button:focus-visible{outline:3px solid var(--accent);outline-offset:4px}h1,h2,h3,p{margin:0}h1{font-size:clamp(44px,4.7vw,76px);line-height:1.04;letter-spacing:-.032em;font-weight:800}h1 span{display:block;font-size:.73em;font-weight:450;line-height:1.15;margin-top:12px}h2{font-size:clamp(30px,3.3vw,48px);line-height:1.15;letter-spacing:-.025em;margin-bottom:28px}h3{font-size:22px;line-height:1.3;margin:16px 0 12px}p+p{margin-top:16px}.ico{width:24px;height:24px}.skip{position:absolute;top:-100px;left:15px;z-index:10;background:var(--bg);padding:12px}.skip:focus{top:10px}.topbar{min-height:82px;display:flex;align-items:center;justify-content:space-between;gap:24px;padding:8px 4.5%;background:var(--surface);border-bottom:1px solid var(--line);position:relative;z-index:3;backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px)}.wordmark{display:block;width:215px;height:62px;background:var(--logo);-webkit-mask:url(assets/control-freak-corporate-wordmark-white.svg) center/contain no-repeat;mask:url(assets/control-freak-corporate-wordmark-white.svg) center/contain no-repeat}.brand{display:block;flex:none}.topbar nav{display:flex;gap:28px;font-size:14px}.topbar a{text-decoration:none}.nav-actions{display:flex;align-items:center;gap:18px}.theme-toggle{background:var(--tile);border:1px solid var(--line);border-radius:50%;width:44px;height:44px;display:grid;place-items:center;flex:none}.theme-toggle .ico:first-child{display:none}[data-theme=dark] .theme-toggle .ico:first-child{display:block}[data-theme=dark] .theme-toggle .ico:last-child{display:none}.button{display:inline-flex;align-items:center;justify-content:center;min-height:48px;padding:11px 25px;border:1px solid var(--accent);border-radius:12px;font-weight:650;text-decoration:none;line-height:1.3}.primary{background:var(--accent);color:var(--on-accent)}.outline{background:var(--scrim);color:var(--ink)}.hero{position:relative;isolation:isolate;min-height:920px;display:grid;grid-template-columns:minmax(0,1fr) 410px;align-items:center;gap:6%;padding:55px 4.5% 115px}.scene{position:absolute;inset:0;z-index:-2}.scene img{width:100%;height:100%;object-fit:cover;object-position:center}.hero:after{content:"";position:absolute;inset:0;z-index:-1;background:linear-gradient(90deg,var(--hero-shade) 8%,transparent 77%),linear-gradient(0deg,var(--hero-shade),transparent 17%)}.hero-copy{max-width:680px}.eyebrow{text-transform:uppercase;letter-spacing:.15em;font-size:12px;color:var(--heat);font-weight:750;margin-bottom:24px}.lead{font-size:22px;line-height:1.5;max-width:780px}.hero .lead{margin-top:28px;max-width:610px}.actions{display:flex;gap:14px;margin-top:34px}.actions .button{min-height:60px;font-size:18px}.wired{display:flex;align-items:center;gap:12px;margin-top:22px;font-size:19px}.wired+.wired{margin-top:12px}.glass{background:var(--surface);border:1px solid var(--line);box-shadow:0 16px 50px var(--shadow);backdrop-filter:blur(18px);-webkit-backdrop-filter:blur(18px);border-radius:22px}.preview{padding:20px}.panel-title{display:flex;justify-content:space-between;align-items:center;gap:12px;margin-bottom:12px}.panel-title h2{font-size:22px;letter-spacing:-.025em;margin:0}.panel-title small{font-size:11px;color:var(--muted)}.pill{display:inline-block;padding:4px 12px;border:1px solid var(--line);border-radius:20px;font-size:10px;line-height:1.5;white-space:nowrap}.pill.active{background:var(--accent);color:var(--on-accent);border-color:var(--accent)}.preview-vessel{display:flex;align-items:center;gap:14px;background:var(--tile);border:1px solid var(--line);border-radius:12px;padding:10px 13px;margin-top:6px}.vessel-icon{width:33px;height:51px;flex:none;color:var(--accent)}.heating .vessel-icon{color:var(--accent)}.cooling .vessel-icon{color:var(--cool)}.idle .vessel-icon{color:var(--muted)}.preview-vessel strong{display:block;font-size:15px;line-height:1.3}.preview-vessel small{font-size:12px;color:var(--muted)}.preview-vessel>span{margin-left:auto;font-size:26px}.tile{background:var(--tile);border:1px solid var(--line);border-radius:13px;padding:14px}.preview .tile{margin-top:8px;font-size:12px}.crash-note{display:flex;gap:6px;align-items:center}.timeline{display:flex;justify-content:space-between;gap:7px;padding:16px 2px 7px;font-size:10px;line-height:1.4}.timeline span{flex:1;border-top:2px solid var(--line);padding-top:12px;position:relative}.timeline span:before{content:"";position:absolute;top:-6px;left:0;width:10px;height:10px;background:var(--muted);border-radius:50%}.timeline span:nth-child(-n+2){border-color:var(--accent)}.timeline span:nth-child(-n+2):before{background:var(--accent)}.timeline b{display:block;font-weight:500}.tile small{color:var(--muted)}.chart{display:block;width:100%;height:auto;margin:10px 0;color:var(--muted)}.grid-lines{stroke:var(--line);stroke-width:1}.safety{display:flex;flex-wrap:wrap;gap:6px 16px;font-size:10px;color:var(--muted);padding:12px 0}.preview .safety{display:grid;padding:12px 4px 3px;font-size:11px}.alert-card{background:var(--alert-bg);border:1px solid var(--alert-ink);color:var(--alert-ink);border-radius:12px;padding:14px;font-size:12px;margin-top:10px}.alert-card p{margin-top:5px;color:var(--ink)}.hero-caption{position:absolute;left:4.5%;bottom:25px;font-size:12px}.hero-caption .pill{margin-bottom:7px;background:var(--surface)}.wrap{width:min(1200px,calc(100% - 80px));margin:auto}.band{padding:95px 0}.alternate{background:var(--alternate);border-block:1px solid var(--line)}.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:40px;margin-top:40px}.cards article{border-top:1px solid var(--line);padding-top:24px}.line-icon{font-size:32px;color:var(--heat);line-height:1}.cards p,.split p:not(.lead){color:var(--muted)}.kit-layout{display:grid;grid-template-columns:1fr 1fr;align-items:center;gap:50px}.kit-number{font-size:160px;line-height:1;color:var(--heat);font-weight:800}.kit-number span{font-size:24px;display:block}.kit-list{list-style:none;padding:0}.kit-list li{padding:15px 0;border-bottom:1px solid var(--line)}.note{font-size:12px;color:var(--muted);margin-top:18px;max-width:850px}.split{display:grid;grid-template-columns:1fr 1fr;gap:70px}.split h3{margin-top:0}.limits{padding-left:22px;max-width:900px;color:var(--muted)}.limits li{padding:10px}.demo-intro{display:flex;align-items:center;justify-content:space-between;gap:40px;margin-bottom:30px}.full-demo{white-space:nowrap}.demo-frame{border:1px solid var(--line);border-radius:20px;overflow:hidden}.demo-frame iframe{display:block;width:100%;height:1200px;border:0}#beta .button{margin-top:30px}footer{display:flex;align-items:center;justify-content:space-between;gap:30px;padding-block:35px;font-size:12px}footer .wordmark{width:170px}dialog{border:1px solid var(--line);border-radius:18px;background:var(--bg);color:var(--ink);padding:30px;max-width:min(520px,calc(100% - 36px))}dialog::backdrop{background:var(--overlay)}dialog h2{font-size:26px;margin-bottom:16px}dialog form{margin-top:25px}
@media(max-width:1100px){.topbar nav{gap:16px}.wordmark{width:165px}.topbar{gap:15px}.nav-actions{gap:10px}.hero{gap:30px;grid-template-columns:1fr 350px;padding-inline:4%}h1{font-size:54px}.actions{flex-wrap:wrap}.actions .button{font-size:15px;padding:14px 19px}.preview{padding:16px}.panel-title h2{font-size:19px}}
@media(max-width:850px){.topbar nav{display:none}.hero{grid-template-columns:1fr 310px;gap:22px}h1{font-size:45px}.hero .lead{font-size:19px}.wired{font-size:15px}.preview-vessel{gap:8px;padding:9px}.preview-vessel small{font-size:10px}.cards{gap:22px}}
@media(max-width:600px){.topbar{min-height:74px;padding:8px 16px;gap:10px}.wordmark{width:125px;height:50px}.nav-actions{gap:10px}.topbar .button{padding:10px 13px;font-size:12px;min-height:42px}.theme-toggle{width:40px;height:40px}.hero{display:block;min-height:0;padding:52px 20px 28px}.hero .scene{height:100%}.scene img{object-position:62% center}.hero:after{background:linear-gradient(0deg,var(--bg) 0%,transparent 60%),linear-gradient(var(--hero-shade),var(--hero-shade))}h1{font-size:47px}.hero .eyebrow{font-size:10px}.hero .lead{font-size:18px}.actions{gap:10px;margin-top:28px}.actions .button{font-size:13px;padding:13px 17px;min-height:50px}.wired{font-size:14px;gap:9px}.preview{margin:38px auto 0;max-width:430px;padding:20px 16px}.preview-vessel{padding:12px;gap:14px}.preview-vessel small{font-size:12px}.hero-caption{position:static;margin-top:26px;font-size:11px}.band{padding:65px 0}.wrap{width:calc(100% - 40px)}.cards,.split,.kit-layout{grid-template-columns:1fr;gap:28px}.cards{margin-top:30px}.lead{font-size:18px}.kit-number{font-size:110px}.demo-intro{flex-direction:column;align-items:flex-start;gap:22px}.demo-frame{margin-inline:-12px;border-radius:12px}.demo-frame iframe{height:1800px}footer{align-items:flex-start;flex-direction:column;gap:18px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*:before,*:after{animation:none!important;transition:none!important}}
.line-icon{width:34px;height:34px;display:block}.timeline .current{font-weight:750;color:var(--heat)}

.gi{width:1.15em;height:1.15em;vertical-align:-.2em;margin-right:.35em;flex:none}