/* TradeKit landing page: slate, a blueprint grid, Offcut blue and Rough-In teal */
:root{
  --bg:#F3F5F4;--surface:#FFFFFF;--ink:#14232B;--muted:#55666E;--line:#D7DFE1;
  --top:#14232B;--top-ink:#E8F1F3;--hi:#F5B700;--accent:#0B6E74;--accent-ink:#FFFFFF;
  --offcut:#2347C5;--offcut-soft:#E3E9FB;--roughin:#0B6E74;--roughin-soft:#DCEFF0;--bad:#B3261E;
  --f:system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;--mono:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
  color-scheme:light}
@media (prefers-color-scheme:dark){:root{
  --bg:#0E171C;--surface:#16232A;--ink:#E4EDF0;--muted:#97A9B1;--line:#2A3B43;--top:#0A1216;--accent:#5CC8CF;--accent-ink:#062628;
  --offcut:#8FA8FF;--offcut-soft:#1C2647;--roughin:#5CC8CF;--roughin-soft:#133537;--bad:#FF8A80;color-scheme:dark}}
*{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}}
body{margin:0;background:var(--bg);color:var(--ink);font:17px/1.55 var(--f)}
img,svg{display:block;max-width:100%}
a{color:inherit}
.wrap{max-width:1120px;margin:0 auto;padding:0 max(20px,env(safe-area-inset-left)) 0 max(20px,env(safe-area-inset-right))}
.skip{position:absolute;left:-999px;top:8px;background:var(--hi);color:#14232B;padding:8px 12px;border-radius:6px;z-index:10}.skip:focus{left:12px}
:focus-visible{outline:3px solid var(--hi);outline-offset:2px}

/* top bar */
.top{position:sticky;top:0;z-index:5;background:var(--top);color:var(--top-ink);padding-top:env(safe-area-inset-top)}
.bar{display:flex;align-items:center;gap:16px;min-height:62px}
.brand{display:flex;align-items:center;gap:10px;text-decoration:none;font:800 21px var(--f);letter-spacing:.02em;text-transform:uppercase}
.brand b{color:#5CC8CF}.brand img{border-radius:7px}
.brand.small{font-size:15px}
.top nav{margin-left:auto;display:flex;align-items:center;gap:4px}
.top nav a{text-decoration:none;font-weight:600;font-size:15px;padding:8px 12px;border-radius:8px;opacity:.9}
.top nav a:hover{background:rgba(255,255,255,.08);opacity:1}
.top nav a.btn{opacity:1;margin-left:6px}

/* buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;min-height:46px;padding:10px 20px;border-radius:10px;border:2px solid var(--hi);background:var(--hi);color:#14232B;font:700 16px var(--f);text-decoration:none;cursor:pointer}
.btn:hover{filter:brightness(1.05)}
.btn.small{min-height:38px;padding:6px 14px;font-size:15px}
.btn.ghost{background:transparent;color:inherit;border-color:currentColor}

/* hero */
.hero{background:var(--top);color:var(--top-ink);overflow:hidden}
.hero-in{display:grid;grid-template-columns:1.05fr .95fr;gap:40px;align-items:center;padding-top:72px;padding-bottom:84px}
.eyebrow{font:700 13px var(--mono);letter-spacing:.14em;text-transform:uppercase;color:var(--hi);margin:0 0 14px}
h1{font:800 clamp(40px,6.2vw,68px)/1.02 var(--f);letter-spacing:-.025em;margin:0 0 20px;text-wrap:balance}
.lede{font-size:19px;color:#B9C9CF;max-width:34em;margin:0 0 28px}
.cta{display:flex;gap:12px;flex-wrap:wrap}
.hero-art{position:relative;display:grid;place-items:center;min-height:520px}
.blueprint{position:absolute;inset:50% auto auto 50%;transform:translate(-50%,-50%);width:118%;max-width:none;height:auto;color:#5CC8CF;opacity:.28;pointer-events:none}
/* the demo video, in a phone */
.phone{position:relative;z-index:1;width:min(270px,68vw);aspect-ratio:1/2;border-radius:40px;padding:9px;background:linear-gradient(160deg,#2a3b43,#0a1216 60%);box-shadow:0 30px 60px rgba(0,0,0,.5),0 0 0 1px rgba(255,255,255,.08) inset}
.phone video{display:block;width:100%;height:100%;object-fit:cover;border-radius:31px;background:#0e171c}
.demo-wrap{position:relative;z-index:1;display:flex;flex-direction:column;align-items:center;gap:12px}
.playpause{width:36px;height:36px;border-radius:50%;border:1px solid rgba(255,255,255,.3);background:rgba(255,255,255,.06);color:#fff;cursor:pointer;display:grid;place-items:center}
.playpause:hover{background:rgba(255,255,255,.14)}
.playpause::before{content:"";width:12px;height:14px;border-left:4px solid #fff;border-right:4px solid #fff;box-sizing:border-box}
.playpause.paused::before{width:0;height:0;border-style:solid;border-width:8px 0 8px 13px;border-color:transparent transparent transparent #fff;margin-left:3px}
.blueprint .steel{stroke:#8FA8FF}
.blueprint .dim{stroke:#B9C9CF;stroke-opacity:.7}
.blueprint .pipe{stroke:#5CC8CF;stroke-opacity:.35}
.blueprint .pipe-in{stroke:#5CC8CF}
.blueprint .drop{fill:var(--hi)}
.blueprint .lbl{font:600 13px var(--mono);fill:#B9C9CF}

/* sections */
.section{padding-top:76px;padding-bottom:76px}
h2{font:800 clamp(28px,4vw,40px)/1.1 var(--f);letter-spacing:-.015em;margin:0 0 10px;text-wrap:balance}
.sub{color:var(--muted);margin:0 0 32px;max-width:40em}
h3{font:700 19px/1.25 var(--f);margin:0 0 6px}
.mono{font-family:var(--mono);font-size:.92em}

.apps{display:grid;grid-template-columns:1fr 1fr;gap:20px}
.app{background:var(--surface);border:1px solid var(--line);border-top:6px solid var(--c);border-radius:14px;padding:26px;display:flex;flex-direction:column;min-width:0}
.app.offcut{--c:var(--offcut);--soft:var(--offcut-soft)}.app.roughin{--c:var(--roughin);--soft:var(--roughin-soft)}
.app-h{display:flex;align-items:center;gap:14px;margin-bottom:16px}
.app-h h3{font-size:26px;margin:0}.app-h p{margin:0;color:var(--muted);font-weight:600}
.mark{width:52px;height:52px;border-radius:12px;background:var(--soft);color:var(--c);display:grid;place-items:center;flex:none}.mark svg{width:30px;height:30px}
.app ul{list-style:none;margin:0 0 24px;padding:0;flex:1}
.app li{padding:10px 0 10px 22px;border-top:1px solid var(--line);position:relative}
.app li:first-child{border-top:0}
.app li::before{content:"";position:absolute;left:2px;top:19px;width:9px;height:9px;border-radius:2px;background:var(--c)}
.app .btn{align-self:flex-start;color:var(--c)}

.band{background:var(--surface);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin-top:28px}
.feat{border:1px solid var(--line);border-radius:12px;padding:20px;background:var(--bg)}
.feat p{margin:0;color:var(--muted);font-size:16px}

/* sign in */
.signin{display:grid;grid-template-columns:1fr 1fr;gap:36px;align-items:start;background:var(--surface);border:1px solid var(--line);border-radius:16px;padding:32px}
.go label[for]{display:block;font-weight:700;font-size:15px;margin-bottom:6px}
.go input:not([type=radio]){width:100%;font:18px var(--mono);padding:12px 14px;border:2px solid var(--line);border-radius:10px;background:var(--bg);color:var(--ink);min-height:50px}
.go input:not([type=radio]):focus{border-color:var(--accent);outline:none}
.go fieldset{border:0;padding:0;margin:16px 0 8px;display:flex;gap:10px;flex-wrap:wrap}
.go legend{font-weight:700;font-size:15px;margin-bottom:6px;padding:0}
.pick{display:flex;align-items:center;gap:8px;border:2px solid var(--line);border-radius:10px;padding:10px 16px;cursor:pointer;font-weight:600;min-height:46px}
.pick:has(input:checked){border-color:var(--accent);background:color-mix(in srgb,var(--accent) 10%,transparent)}
.pick input{width:18px;height:18px;accent-color:var(--accent);margin:0}
.err{color:var(--bad);font-size:15px;margin:8px 0;min-height:0}.err:empty{display:none}
.go .btn{margin-top:8px;width:100%}

.foot{border-top:1px solid var(--line);padding:26px 0 calc(26px + env(safe-area-inset-bottom));color:var(--muted);font-size:15px}
.foot-in{display:flex;justify-content:space-between;align-items:center;gap:12px;flex-wrap:wrap}
.foot .brand{color:var(--ink)}

@media (max-width:860px){
  .hero-in{grid-template-columns:1fr;padding-top:48px;padding-bottom:56px;gap:28px}
  .hero-art{min-height:0;padding:10px 0 4px}
  .blueprint{width:150%}
  .apps,.signin{grid-template-columns:1fr}
  .grid{grid-template-columns:1fr 1fr}
  .signin{padding:24px;gap:8px}
}
@media (max-width:560px){
  body{font-size:16px}
  .top nav a:not(.btn){display:none}
  .grid{grid-template-columns:1fr}
  .section{padding-top:56px;padding-bottom:56px}
  .app{padding:20px}
  .cta .btn{flex:1 1 100%}
}