/* Home page: live demo hero, search, starter path, staged learning path, footer. */
header.top{position:sticky;top:env(safe-area-inset-top,0px);z-index:30;background:color-mix(in srgb,var(--bg) 90%,transparent);box-shadow:0 0 0 100vmax color-mix(in srgb,var(--bg) 90%,transparent);clip-path:inset(0 -100vmax);padding-block:12px}
aside{top:calc(env(safe-area-inset-top,0px) + 76px);max-height:calc(100vh - 92px)}
#home{gap:clamp(40px,5.5vw,60px)}
.hero2{display:grid;grid-template-columns:minmax(0,1.02fr) minmax(0,.98fr);gap:clamp(24px,4vw,48px);align-items:center;padding-top:clamp(12px,3vw,36px)}
.hero-copy{display:grid;gap:18px;justify-items:start;min-width:0}
.hero2 h1{font-size:clamp(34px,4.7vw,60px);line-height:1.02;margin:0;max-width:13ch}
.hero2 h1 em{font-style:normal;background:linear-gradient(90deg,var(--b1),var(--b2));-webkit-background-clip:text;background-clip:text;color:transparent}
.hero2 .blurb{font-size:17px;max-width:50ch}
.hsearch{position:relative;width:100%;max-width:480px}
.hsearch input{width:100%;padding:12px 14px;border:1px solid var(--line);border-radius:6px;background:color-mix(in srgb,var(--panel) 82%,transparent)}
.hsearch input:focus{border-color:var(--c2);outline:0;box-shadow:0 0 0 3px color-mix(in srgb,var(--c2) 25%,transparent)}
#hres{position:absolute;left:0;right:0;top:calc(100% + 6px);z-index:20;background:var(--panel);border:1px solid var(--line);border-radius:8px;padding:6px;display:grid;gap:2px;box-shadow:0 24px 60px -20px var(--bg)}
#hres button{display:flex;justify-content:space-between;gap:12px;align-items:baseline;text-align:left;background:none;border:0;border-left:3px solid var(--cat);padding:8px 10px;border-radius:0 5px 5px 0;cursor:pointer}
#hres button:hover{background:color-mix(in srgb,var(--cat) 14%,transparent)}
#hres small{color:var(--muted);white-space:nowrap}
#hres .none{margin:6px 8px}
.demo{--cat:var(--c2);min-width:0;border:1px solid color-mix(in srgb,var(--cat) 45%,var(--line));border-radius:12px;overflow:hidden;background:color-mix(in srgb,var(--panel) 82%,transparent);box-shadow:0 24px 56px -46px color-mix(in srgb,var(--b1) 32%,transparent);transition:box-shadow .6s,border-color .6s}
.demo-top{display:flex;align-items:center;gap:12px;padding:10px 14px;border-bottom:1px solid var(--line);font:600 12px var(--mono);color:var(--muted)}
.demo-top #demo-name{flex:1;color:var(--ink);min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.dots{display:flex;gap:5px}.dots i{width:9px;height:9px;border-radius:50%;background:var(--line)}
.dots i:first-child{background:var(--c8)}.dots i:nth-child(2){background:var(--c10)}.dots i:nth-child(3){background:var(--c6)}
#demo-stage{height:320px;padding:16px 12px;display:flex;flex-direction:column;gap:12px;justify-content:center;overflow:hidden;
  background-color:var(--stage);background-image:linear-gradient(var(--grid) 1px,transparent 1px),linear-gradient(90deg,var(--grid) 1px,transparent 1px);background-size:26px 26px;
  box-shadow:inset 0 0 70px -40px color-mix(in srgb,var(--cat) 22%,transparent)}
#demo-stage .rl{width:40px}
#demo-msg{min-height:4.2em;padding:12px 16px;border-top:1px solid var(--line);border-left:3px solid var(--cat);font:13px/1.5 var(--mono);display:flex;align-items:center}
.steps{grid-template-columns:repeat(3,minmax(0,1fr));gap:0}
.sec-h{margin-bottom:16px}
.sec-h h2{font:700 clamp(22px,2.6vw,30px)/1.15 var(--display);text-transform:none;letter-spacing:0;margin:0 0 4px}
.sec-h p{margin:0;color:var(--muted)}
.path{display:grid;gap:0;border-left:1px solid var(--line);margin-left:9px}
.stage{display:grid;grid-template-columns:230px minmax(0,1fr);gap:24px;padding:0 0 34px 28px;position:relative}
.stage:last-child{padding-bottom:0}
.stage::before{content:"";position:absolute;left:-10px;top:4px;width:18px;height:18px;border-radius:50%;background:var(--bg);border:2px solid var(--c2);box-shadow:none}
.stage.done::before{background:var(--ok);border-color:var(--ok);box-shadow:none}
.stage-h b{font:600 11px var(--mono);letter-spacing:.14em;text-transform:uppercase;color:var(--c2)}
.stage-h h3{font:700 20px/1.2 var(--display);margin:4px 0 6px}
.stage-h p{margin:0 0 8px;color:var(--muted);font-size:13.5px}
.stage-h em{font:12px var(--mono);font-style:normal;color:var(--muted)}
.tile{grid-template-columns:auto minmax(0,1fr);column-gap:12px}
.tile .gl{grid-row:1 / span 2;align-self:start;display:grid;place-items:center;width:40px;height:40px;border-radius:8px;font:700 14px var(--mono);color:var(--cat);background:color-mix(in srgb,var(--cat) 16%,transparent);border:1px solid color-mix(in srgb,var(--cat) 40%,transparent)}
.tile strong{align-self:center}
.tile span:not(.gl){grid-column:2}
.tile em,.tile .bar{grid-column:1 / -1}
.band{display:flex;align-items:center;gap:24px;flex-wrap:wrap;padding:28px;border-radius:12px;border:1px solid color-mix(in srgb,var(--cat) 45%,var(--line));background:var(--panel)}
.band div{flex:1 1 320px;min-width:0}
.band h3{font:700 24px var(--display);margin:0 0 6px}
.band p{margin:0;color:var(--muted);max-width:56ch}
.foot{display:flex;align-items:center;gap:14px;flex-wrap:wrap;border-top:1px solid var(--line);padding-top:20px;color:var(--muted);font-size:13px}
.foot .sp{flex:1}.foot .brand{font-size:16px;cursor:default}
@media (max-width:960px){.hero2{grid-template-columns:minmax(0,1fr)}.hero2 h1{max-width:16ch}.stage{grid-template-columns:minmax(0,1fr);gap:12px}}
@media (max-width:820px){#demo-stage .cell b{min-width:32px;padding-inline:3px;font-size:12px}#demo-stage .cells{gap:4px}#demo-stage .rl{width:16px}header.top{position:static}#home{gap:44px}.steps{grid-template-columns:minmax(0,1fr)}#demo-stage{height:290px}}

/* Home refresh: quieter surfaces, clearer section rhythm, and one warm action accent. */
#home{gap:clamp(42px,6vw,68px)}
.hero2{padding-top:clamp(24px,4vw,48px);padding-bottom:4px}
.hero-copy{gap:clamp(14px,2vw,20px)}
.hero-copy>.eyebrow{background:color-mix(in srgb,var(--b1) 13%,var(--panel));color:var(--b1)}
.hero2 h1 em{color:var(--b1);-webkit-text-fill-color:var(--b1);background:none}
.hero2 .blurb{font-size:clamp(16px,1.35vw,18px);line-height:1.65}
.hsearch input:focus{border-color:var(--b1);box-shadow:0 0 0 3px color-mix(in srgb,var(--b1) 16%,transparent)}
.stats{gap:clamp(14px,2.3vw,28px);margin-top:8px}
.stats li{font-size:12px}
.stats b{font-size:26px}
.demo{border-color:var(--line);box-shadow:0 20px 54px -44px color-mix(in srgb,var(--c2) 28%,transparent)}
#demo-stage{background-size:30px 30px}
.steps li{border:0;border-top:1px solid var(--line);border-radius:0;background:transparent;padding:14px 14px 4px}
.steps li::before{color:var(--b1)}
.steps strong{font-size:15px}
.steps span{font-size:13px}
.sec-h{margin-bottom:20px}
.sec-h h2{font-size:clamp(23px,2.8vw,32px);letter-spacing:-.025em}
.sec-h p{font-size:14px;line-height:1.6}
.stage{gap:clamp(16px,2.4vw,28px);padding-bottom:30px}
.stage::before{border-color:var(--b1)}
.stage.done::before{background:var(--ok);border-color:var(--ok)}
.stage-h b{color:var(--b1)}
.stage-h h3{font-size:21px;letter-spacing:-.02em}
.stage-h p{line-height:1.55}
#home .start{border-left-color:var(--line);background:var(--panel);transition:border-color .18s,transform .18s}
#home .start:hover{border-color:var(--b1);transform:translateY(-1px);box-shadow:none}
.tile{border:1px solid var(--line);border-top:1px solid var(--line);border-radius:10px;background:var(--panel);padding:17px;transition:border-color .18s,transform .18s}
.tile:hover{border-color:color-mix(in srgb,var(--b1) 58%,var(--line));transform:translateY(-2px);box-shadow:0 12px 28px -24px var(--b1)}
.tile .gl{border:0;background:color-mix(in srgb,var(--b1) 11%,var(--panel));color:var(--b1)}
.tile em{color:var(--muted);font-family:var(--body);font-weight:600}
.tile .bar b{background:var(--b1)}
.band{border:1px solid var(--line);border-left:3px solid var(--b1);border-radius:10px;background:var(--panel);padding:clamp(20px,3vw,30px)}
.band h3{font-size:23px}
.band .btn{flex:none}
.foot{gap:10px}
@media(max-width:960px){
 .hero2{gap:28px}
 .stage{grid-template-columns:minmax(0,1fr);gap:12px}
}
@media(max-width:820px){
 #home{gap:44px}
 .hero2{padding-top:22px}
 .steps{grid-template-columns:minmax(0,1fr)}
 .steps li{padding:12px 4px 3px}
 #demo-stage{height:280px}
}
@media(max-width:520px){
 .hero2 h1{font-size:clamp(34px,10vw,46px)}
 .stats{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px 18px}
 .stats b{font-size:24px}
 .stage{padding-left:22px}
 .tile{padding:15px}
 .band{align-items:flex-start}
}