/* Docs: the learning hub and one page per path. Built on signal.css + sub.css tokens.
   --accent is the path color (or the full gradient on the hub). */
.dhero{position:relative;padding-block:calc(var(--barh) + var(--navh) + 52px) 64px;overflow:hidden}
.dhero canvas{position:absolute;inset:0;width:100%;height:100%}
.dhero .wrap{position:relative;display:grid;grid-template-columns:minmax(0,6fr) minmax(0,5fr);gap:clamp(28px,5vw,80px);align-items:center}
.dhero h1{font-size:clamp(64px,10.5vw,168px);line-height:.86;letter-spacing:-.06em}
.dhero h1 i{font-style:normal;background:var(--grad,linear-gradient(90deg,#30B9FE,#5B6DFF 35%,#8151FE 62%,#DD3BFC));-webkit-background-clip:text;background-clip:text;color:transparent}
.dhero .sub{margin-top:24px;font-size:clamp(18px,1.5vw,22px);line-height:1.42;max-width:520px}

/* search */
.dsearch{position:relative;margin-top:30px;max-width:520px}
.dsearch label{position:absolute;left:-9999px}
.dsearch input{width:100%;height:52px;padding:0 16px 0 46px;border-radius:6px;border:1px solid var(--line-2);background:rgba(11,15,19,.82);color:var(--fg);font:500 16px var(--body)}
.dsearch input::placeholder{color:var(--dim)}
.dsearch input:focus{outline:2px solid var(--accent-solid,#5B6DFF);outline-offset:2px}
.dsearch svg{position:absolute;left:16px;top:17px;width:18px;height:18px;stroke:var(--mute)}
.dsearch kbd{position:absolute;right:12px;top:14px;font:11px var(--mono);color:var(--dim);border:1px solid var(--line-2);border-radius:3px;padding:3px 6px}
.dresults{position:absolute;left:0;right:0;top:58px;z-index:20;background:#0b0f13;border:1px solid var(--line-2);border-radius:6px;box-shadow:0 24px 60px rgba(0,0,0,.6);max-height:340px;overflow:auto;padding:6px}
.dresults a{display:grid;grid-template-columns:10px 1fr auto;gap:10px;align-items:center;padding:10px;border-radius:4px;font-size:15px}
.dresults a:hover,.dresults a.on{background:var(--ink-3)}
.dresults a i{width:8px;height:8px;border-radius:50%;background:var(--c)}
.dresults a small{font-family:var(--mono);font-size:11px;color:var(--dim)}
.dresults p{padding:10px;color:var(--dim);font-size:14px}
.dchips{display:flex;flex-wrap:wrap;gap:6px;margin-top:16px}
.dchips a{font-size:14px;padding:6px 11px;border:1px solid var(--line-2);border-radius:3px;color:var(--mute)}
.dchips a:hover{color:var(--fg);border-color:var(--fg)}

/* hero lesson stack */
.stack{position:relative;height:clamp(340px,34vw,460px)}
.lcard{position:absolute;width:78%;border:1px solid var(--line-2);border-radius:8px;background:#0d1117;box-shadow:0 30px 70px rgba(0,0,0,.6);overflow:hidden}
.lcard .pic{aspect-ratio:16/8.6}
.lcard .meta{display:flex;justify-content:space-between;align-items:center;gap:10px;padding:13px 16px}
.lcard .meta b{font-family:var(--display);font-weight:600;font-size:18px;letter-spacing:-.02em}
.lcard .meta span{font-family:var(--mono);font-size:11px;color:var(--mute)}
.lcard .bar{height:3px;background:var(--line-2)}
.lcard .bar i{display:block;height:100%;background:var(--accent-solid,#5B6DFF)}
.lcard:nth-child(1){left:0;top:12%;transform:rotate(-4deg)}
.lcard:nth-child(2){left:11%;top:4%;transform:rotate(1.5deg)}
.lcard:nth-child(3){right:0;top:22%;transform:rotate(-1deg)}
.pic.grad1{background:radial-gradient(circle at 40% 45%,#ffb15a 0,#f56d2c 26%,#5a1d10 58%,#120806 80%)}
.pic.grad2{background:conic-gradient(from 200deg at 60% 50%,#30B9FE,#5B6DFF,#8151FE,#DD3BFC,#30B9FE)}
.pic.grad3{background:radial-gradient(circle at 70% 40%,rgba(221,59,252,.9) 0 8%,transparent 9%),radial-gradient(circle at 30% 65%,rgba(48,185,254,.9) 0 12%,transparent 13%),#0a0d12}
.pic img{width:100%;height:100%;object-fit:cover;display:block}

/* free & open */
.fo{display:grid;grid-template-columns:minmax(0,5fr) minmax(0,7fr);gap:clamp(28px,5vw,80px);align-items:start}
.fo h2{font-size:clamp(56px,7.6vw,120px);line-height:.88;letter-spacing:-.055em}
.fo h2 small{display:block;font-family:var(--mono);font-size:12px;letter-spacing:.08em;text-transform:uppercase;color:var(--dim);margin-bottom:22px;font-weight:400}
.fo h2 i{font-style:normal;background:linear-gradient(90deg,#30B9FE,#5B6DFF 35%,#8151FE 62%,#DD3BFC);-webkit-background-clip:text;background-clip:text;color:transparent}
.fo .lede{margin-top:22px;max-width:440px}
.vows{border-top:1px solid var(--line-2)}
.vows div{display:grid;grid-template-columns:120px minmax(0,1fr);gap:20px;padding:22px 0;border-bottom:1px solid var(--line)}
.vows span{font-family:var(--mono);font-size:12px;letter-spacing:.08em;text-transform:uppercase;color:var(--c);padding-top:5px}
.vows b{display:block;font-family:var(--display);font-weight:600;font-size:clamp(22px,2.2vw,30px);letter-spacing:-.03em;line-height:1.1}
.vows p{color:var(--mute);margin-top:6px;font-size:16px;max-width:520px}

/* start here */
.start{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.25fr);gap:14px}
.course{border:1px solid var(--line-2);border-radius:8px;background:var(--ink-2);padding:24px;display:flex;flex-direction:column;gap:16px;min-width:0}
.course header{display:flex;justify-content:space-between;align-items:baseline;gap:12px;flex-wrap:wrap}
.course h3{font-size:28px;letter-spacing:-.035em}
.course header span{font-family:var(--mono);font-size:12px;color:var(--mute)}
.course p{color:var(--mute)}
.lessons{list-style:none;margin:0;padding:0;border-top:1px solid var(--line);counter-reset:ls}
.lessons li{counter-increment:ls;display:grid;grid-template-columns:34px minmax(0,1fr) auto;gap:10px;align-items:center;padding:11px 0;border-bottom:1px solid var(--line);font-size:15.5px}
.lessons li::before{content:counter(ls,decimal-leading-zero);font-family:var(--mono);font-size:11px;color:var(--dim)}
.lessons li small{font-family:var(--mono);font-size:11.5px;color:var(--dim)}
.lessons li b{font-weight:500}

/* paths */
.paths{display:grid;grid-template-columns:repeat(6,minmax(0,1fr));gap:14px}
.pcard{grid-column:span 2;display:flex;flex-direction:column;border:1px solid var(--line);border-radius:8px;background:var(--ink-2);overflow:hidden;transition:border-color .2s,transform .2s;min-width:0}
.pcard:hover{border-color:var(--c);transform:translateY(-2px)}
.pcard .pic{aspect-ratio:16/8;background:#000;border-bottom:3px solid var(--c)}
.pcard .pic.light img{object-fit:contain;background:#f2f2f0}
.pcard .body{padding:20px 22px 22px;display:flex;flex-direction:column;gap:10px;flex:1}
.pcard h3{font-size:30px;letter-spacing:-.04em;display:flex;align-items:center;gap:10px}
.pcard h3 i{width:10px;height:10px;border-radius:50%;background:var(--c)}
.pcard .count{font-family:var(--mono);font-size:12px;color:var(--mute)}
.pcard ul{list-style:none;padding:0;margin:4px 0 0;display:grid;gap:6px;color:var(--mute);font-size:15px}
.pcard ul li::before{content:"→ ";color:var(--c)}
.pcard .go{margin-top:auto;padding-top:8px;color:var(--c);font-family:var(--mono);font-size:12.5px}

/* big builds */
.builds{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:12px}
.build{border:1px solid var(--line);border-radius:8px;padding:20px;background:var(--ink-2);display:flex;flex-direction:column;gap:10px;min-width:0;position:relative;overflow:hidden}
.build::after{content:"";position:absolute;left:0;right:0;top:0;height:3px;background:var(--c)}
.build span{font-family:var(--mono);font-size:11px;letter-spacing:.06em;text-transform:uppercase;color:var(--dim)}
.build h3{font-size:21px;letter-spacing:-.025em;line-height:1.15}
.build p{color:var(--mute);font-size:14.5px}
.build .tags{margin-top:auto;display:flex;flex-wrap:wrap;gap:5px}
.build .tags i{font-style:normal;font-family:var(--mono);font-size:10.5px;padding:3px 6px;border:1px solid var(--line-2);border-radius:3px;color:var(--mute)}

/* reference tiles */
.ref{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:12px}
.ref a{border:1px solid var(--line);border-radius:6px;padding:20px;background:var(--ink-2);display:flex;flex-direction:column;gap:6px;transition:border-color .2s}
.ref a:hover{border-color:var(--fg)}
.ref b{font-family:var(--display);font-size:clamp(28px,3vw,40px);font-weight:600;letter-spacing:-.04em;line-height:1;font-variant-numeric:tabular-nums}
.ref strong{font-weight:500;font-size:16px}
.ref span{color:var(--mute);font-size:14px}

/* help */
.help{display:grid;grid-template-columns:minmax(0,1.3fr) minmax(0,1fr) minmax(0,1fr);gap:12px}
.help > div{border:1px solid var(--line);border-radius:6px;padding:22px;background:var(--ink-2);display:flex;flex-direction:column;gap:10px;min-width:0}
.help h3{font-size:22px;letter-spacing:-.025em}
.help p{color:var(--mute);font-size:15px}
.help pre{margin:0;font-family:var(--mono);font-size:13px;background:#07090c;border:1px solid var(--line-2);border-radius:4px;padding:12px 14px;overflow-x:auto;color:var(--fg)}
.help .mail{font-family:var(--mono);font-size:14px;color:var(--fg);user-select:all}

/* path page: quick starts */
.qs{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px}
.qcard{border:1px solid var(--line-2);border-radius:8px;background:var(--ink-2);padding:22px;display:flex;flex-direction:column;gap:14px;min-width:0}
.qcard header{display:flex;justify-content:space-between;align-items:center}
.qcard header span{font-family:var(--mono);font-size:11px;letter-spacing:.06em;text-transform:uppercase;color:var(--accent)}
.qcard header small{font-family:var(--mono);font-size:11px;color:var(--dim)}
.qcard h3{font-size:24px;letter-spacing:-.03em;line-height:1.1}

/* path page: learning paths */
.lpaths{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,340px),1fr));gap:14px}
.lpath{border:1px solid var(--line-2);border-radius:8px;background:var(--ink-2);padding:22px;min-width:0;display:flex;flex-direction:column;gap:14px}
.lpath header{display:flex;justify-content:space-between;align-items:baseline;gap:10px;flex-wrap:wrap}
.lpath h3{font-size:24px;letter-spacing:-.03em}
.lpath header span{font-family:var(--mono);font-size:12px;color:var(--mute)}
.lpath .track{height:4px;border-radius:2px;background:linear-gradient(90deg,var(--accent),transparent)}

/* path page: tutorials */
.tuts{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}
.tut{display:grid;grid-template-columns:minmax(0,5fr) minmax(0,6fr);border:1px solid var(--line);border-radius:8px;background:var(--ink-2);overflow:hidden;min-width:0}
.tut .pic{background:#000;min-height:100%;position:relative}
.tut .pic img{position:absolute;inset:0}
.tut .pic.light img{object-fit:contain;background:#f2f2f0}
.tut .pic.whitebg{background:#f4f4f2}
.tut .pic.none{background:radial-gradient(circle at 1px 1px,rgba(255,255,255,.07) 1px,transparent 1.4px) 0 0/18px 18px,linear-gradient(135deg,color-mix(in srgb,var(--accent) 22%,#0b0f13),#0b0f13 70%)}
.tut .pic.none span{position:absolute;left:16px;bottom:14px;font-family:var(--mono);font-size:11px;color:var(--mute)}
.tut .body{padding:20px;display:flex;flex-direction:column;gap:12px;min-width:0}
.tut .lvl{display:flex;gap:8px;align-items:center;font-family:var(--mono);font-size:11px;color:var(--dim)}
.tut .lvl i{font-style:normal;padding:2px 7px;border-radius:3px;border:1px solid var(--line-2);color:var(--accent)}
.tut h3{font-size:22px;letter-spacing:-.03em;line-height:1.1}
.tut .out{color:var(--mute);font-size:15px}
.tut .steps li{font-size:14.5px}
.tut .demo{font-size:13.5px}

/* path page: demos + guides */
.dstrip{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:12px}
.dstrip a,.dstrip>div{border:1px solid var(--line);border-radius:6px;overflow:hidden;background:var(--ink-2);display:flex;flex-direction:column;transition:border-color .2s}
.dstrip a:hover{border-color:var(--accent)}
.dstrip img{aspect-ratio:16/9;object-fit:cover;width:100%;background:#000}
.dstrip img.whitebg{background:#f4f4f2}
.dstrip span{padding:10px 12px;font-size:14px}
.guides{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px}
.guides > div{min-width:0}
.guides h4{font-family:var(--mono);font-size:11.5px;letter-spacing:.06em;text-transform:uppercase;color:var(--dim);font-weight:400;margin-bottom:10px}

@media (max-width:1180px){ .builds{grid-template-columns:repeat(3,minmax(0,1fr))} .ref{grid-template-columns:repeat(2,minmax(0,1fr))} }
@media (max-width:1080px){
  .dhero .wrap,.fo,.start,.help{grid-template-columns:1fr}
  .paths{grid-template-columns:1fr 1fr} .pcard{grid-column:span 1}
  .qs,.tuts{grid-template-columns:1fr} .dstrip{grid-template-columns:1fr 1fr} .guides{grid-template-columns:1fr}
  .stack{height:340px;max-width:560px}
}
@media (max-width:760px){
  .paths,.builds,.ref{grid-template-columns:1fr}
  .vows div{grid-template-columns:1fr;gap:6px}
  .tut{grid-template-columns:1fr} .tut .pic{aspect-ratio:16/9}
  .stack{height:280px}
  .lcard{width:84%}
}
.vows b{color:var(--fg)}
.pcard .pic{overflow:hidden}
.pcard .pic img,.tut .pic img{width:100%;height:100%;object-fit:cover;display:block}
.tut .pic.whitebg img{object-fit:cover}
.lcard .pic{overflow:hidden}
.ref > div{border:1px solid var(--line);border-radius:6px;padding:20px;background:var(--ink-2);display:flex;flex-direction:column;gap:6px}
.ref em{font-style:normal;margin-top:auto;padding-top:6px;font-family:var(--mono);font-size:11px;color:var(--dim)}
.more .inapp{display:flex;justify-content:space-between;gap:12px;padding:14px 2px;border-bottom:1px solid var(--line);font-size:15.5px;color:var(--fg)}
.more .inapp span{font-family:var(--mono);font-size:11px;color:var(--dim)}
.tut .pic .cap{position:absolute;left:10px;top:10px;font-family:var(--mono);font-size:10.5px;background:rgba(6,8,11,.84);color:var(--fg);padding:3px 7px;border-radius:2px;max-width:calc(100% - 20px)}

/* every card on the hub and the path pages opens a page */
a.lcard{display:block;transition:transform .2s,border-color .2s}
a.lcard:hover{border-color:var(--fg)}
.lessons li a{grid-column:2/-1;display:grid;grid-template-columns:minmax(0,1fr) auto;gap:10px;align-items:center;color:var(--fg)}
.lessons li a:hover b{color:var(--accent)}
.lessons li a:hover small{color:var(--fg)}
.lpath p{color:var(--mute);font-size:15px}
.lpath .demo{font-size:13.5px}
a.build{transition:border-color .2s,transform .2s}
a.build:hover{border-color:var(--c);transform:translateY(-2px)}
.build em{font-style:normal;font-family:var(--mono);font-size:12px;color:var(--c);padding-top:4px}
a.tut{transition:border-color .2s}
a.tut:hover{border-color:var(--accent)}
a.tut:hover h3{color:var(--accent)}
.tut .go{margin-top:auto;font-family:var(--mono);font-size:12.5px;color:var(--accent)}
.tut span.demo{border-bottom:0}

/* lesson and tutorial pages (learn-*.html) */
.lhead{position:relative;padding-block:calc(var(--barh) + var(--navh) + 44px) 40px;overflow:hidden}
.lhead canvas{position:absolute;inset:0;width:100%;height:100%;opacity:.7}
.lhead .wrap{position:relative}
.lhead .eyebrow{color:var(--accent-solid);margin:0 0 12px}
.lhead h1{font-size:clamp(40px,5.6vw,88px);line-height:.95;letter-spacing:-.05em;max-width:16ch}
.lmeta{display:flex;flex-wrap:wrap;gap:8px 20px;margin-top:22px;color:var(--mute);font-size:12.5px}
.lmeta .lv{color:var(--accent-solid)}
.lmake{margin-top:26px;max-width:760px;border-left:2px solid var(--accent-solid);padding-left:18px}
.lmake span{display:block;font-size:11px;letter-spacing:.08em;text-transform:uppercase;color:var(--dim);margin-bottom:6px}
.lmake p{font-size:clamp(18px,1.55vw,22px);line-height:1.42}
.lmake code{font-family:var(--mono);font-size:.82em}
.lheropic{margin-bottom:clamp(36px,4vw,56px)}
.lfig{margin:0;border:1px solid var(--line-2);border-radius:6px;overflow:hidden;background:var(--ink-2)}
.lfig a{display:block;background:#000}
.lfig img{display:block;width:100%;height:auto}
.lfig figcaption{padding:12px 16px;font-size:14.5px;line-height:1.45;color:var(--mute);border-top:1px solid var(--line)}
.lhero-fig{box-shadow:0 30px 60px rgba(0,0,0,.5)}
.lnopic{border:1px solid var(--line-2);border-radius:6px;padding:22px;background:radial-gradient(circle at 1px 1px,rgba(255,255,255,.06) 1px,transparent 1.4px) 0 0/18px 18px,linear-gradient(135deg,color-mix(in srgb,var(--accent-solid) 16%,#0b0f13),#0b0f13 72%)}
.lnopic > span{display:block;color:var(--dim);margin-bottom:12px;text-transform:uppercase;letter-spacing:.08em;font-size:11px}
.lgrid{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,320px);gap:clamp(28px,4.5vw,72px);align-items:start}
.lbody{max-width:780px;min-width:0}
.lbody p{color:#d9d8d3;margin-top:12px}
.lbody p:first-child{margin-top:0}
.lintro p{font-size:18.5px;color:var(--fg)}
.lsec{padding-top:40px}
.lintro + .lsec{padding-top:34px}
.lsec h2{font-size:clamp(26px,2.4vw,34px);letter-spacing:-.03em;line-height:1.05;margin-bottom:16px}
.lsteps{list-style:none;counter-reset:ls;padding:0;margin:0}
.lsteps > li{counter-increment:ls;position:relative;padding:18px 0 20px 56px;border-top:1px solid var(--line);min-width:0}
.lsteps > li::before{content:counter(ls);position:absolute;left:0;top:15px;width:34px;height:34px;border-radius:50%;border:1px solid var(--accent-solid);color:var(--fg);font:500 13px/1 var(--mono);display:grid;place-items:center;background:var(--ink)}
.lsteps h3{font-size:22px;letter-spacing:-.025em;line-height:1.15;margin-bottom:8px}
.lbody ul,.lbody ol:not(.lsteps){padding-left:22px;margin-top:12px;display:grid;gap:8px;color:#d9d8d3}
.lbody ul li::marker{color:var(--accent-solid)}
.lbody ol:not(.lsteps) li::marker{color:var(--dim);font-family:var(--mono);font-size:.8em}
.lbody code{font-family:var(--mono);font-size:.84em;padding:1px 5px;border-radius:3px;background:var(--ink-3);border:1px solid var(--line);color:var(--fg);overflow-wrap:anywhere}
.lbody b{font-weight:600;color:var(--fg)}
.lbody a{color:var(--fg);border-bottom:1px solid var(--accent-solid)}
.lbody a:hover{color:var(--accent-solid)}
.lbody .code{margin-top:14px}
.lbody .lfig{margin-top:16px}
.lside{display:grid;gap:12px;min-width:0}
.lbox{border:1px solid var(--line-2);border-radius:8px;background:var(--ink-2);padding:18px 18px 16px;min-width:0}
.lbox h4{font-family:var(--mono);font-size:11px;letter-spacing:.08em;text-transform:uppercase;color:var(--dim);font-weight:400;margin-bottom:12px}
.lnodes{list-style:none;padding:0;margin:0;display:grid;gap:9px}
.lnodes li{display:flex;flex-direction:column;min-width:0}
.lnodes code{font-family:var(--mono);font-size:12.5px;color:var(--fg);overflow-wrap:anywhere}
.lnodes span{font-size:13.5px;color:var(--dim)}
.ltry p{color:var(--mute);font-size:15px;margin-bottom:12px}
.ltry b{color:var(--fg);font-weight:500}
.ltry .demo i{border-left-color:var(--accent-solid)}
.lpathlist{list-style:none;padding:0;margin:0}
.lpathlist a{display:grid;grid-template-columns:28px minmax(0,1fr);gap:6px;padding:8px 0;border-top:1px solid var(--line);font-size:14.5px;line-height:1.35;color:var(--mute)}
.lpathlist a small{font-family:var(--mono);font-size:11px;color:var(--dim);padding-top:2px}
.lpathlist a.on{color:var(--fg)}
.lpathlist a.on small{color:var(--accent-solid)}
.lpathlist a:hover{color:var(--fg)}
.lnext{margin-top:clamp(48px,6vw,88px)}
.lnext .pn:hover{border-color:var(--accent-solid)}
@media (max-width:1080px){ .lgrid{grid-template-columns:1fr} .lside{grid-template-columns:repeat(auto-fit,minmax(min(100%,280px),1fr))} }
@media (max-width:760px){ .lsteps > li{padding-left:46px} .lsteps > li::before{width:30px;height:30px} .lintro p{font-size:17.5px} }
.lheropic .lfig{margin-inline:auto}
.lfig figcaption code{font-family:var(--mono);font-size:.86em;color:var(--fg)}
.lfig figcaption b{color:var(--fg);font-weight:500}
@media (min-width:1081px){ .lside{position:sticky;top:calc(var(--navh) + 20px);max-height:calc(100vh - var(--navh) - 40px);overflow-y:auto;scrollbar-width:thin;overscroll-behavior:auto} }

/* round 2: the first-hour grid on the hub, tags on tutorial cards, the canvas note and ideas on tutorial pages */
.fgrid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:14px}
@media (max-width:1180px){ .fgrid{grid-template-columns:repeat(2,minmax(0,1fr))} }
@media (max-width:620px){ .fgrid{grid-template-columns:1fr} }
.fcard{display:flex;flex-direction:column;border:1px solid var(--line);border-radius:8px;background:var(--ink-2);overflow:hidden;min-width:0;transition:border-color .2s,transform .2s}
.fcard:hover{border-color:var(--c);transform:translateY(-2px)}
.fcard .pic{aspect-ratio:16/10;background:#000;border-bottom:3px solid var(--c);overflow:hidden;position:relative}
.fcard .pic img{width:100%;height:100%;object-fit:cover;display:block}
.fcard .pic.none span{position:absolute;left:12px;bottom:10px;font-family:var(--mono);font-size:11px;color:var(--mute)}
.fcard .body{padding:16px 18px 18px;display:flex;flex-direction:column;gap:9px;flex:1}
.fcard .fc-top{display:flex;justify-content:space-between;align-items:center;gap:10px}
.fcard .door{display:inline-flex;align-items:center;gap:7px;font-family:var(--mono);font-size:11px;letter-spacing:.06em;text-transform:uppercase;color:var(--c)}
.fcard .door i{width:8px;height:8px;border-radius:50%;background:var(--c)}
.fcard .fc-top small{font-family:var(--mono);font-size:11px;color:var(--dim)}
.fcard h3{font-size:21px;letter-spacing:-.025em;line-height:1.15}
.fcard p{color:var(--mute);font-size:14.5px;line-height:1.45}
.fcard p code,.tut .out code{font-family:var(--mono);font-size:.84em}
.fcard .from,.tut .from{font-family:var(--mono);font-size:11.5px;color:var(--dim)}
.fcard .go{margin-top:auto;padding-top:4px;font-family:var(--mono);font-size:12.5px;color:var(--c)}
.tut .lvl span{margin-left:auto}
.tut .lvl i.tag{color:var(--fg);border-color:var(--accent);background:color-mix(in srgb,var(--accent) 18%,transparent)}
.tut .pic.none{min-height:200px}
.builds.few{grid-template-columns:repeat(auto-fill,minmax(min(100%,300px),1fr))}
.lsec.lcanvas{margin-top:40px;padding:22px 24px 24px;border:1px dashed var(--line-2);border-radius:8px;background:radial-gradient(circle at 1px 1px,rgba(255,255,255,.05) 1px,transparent 1.4px) 0 0/16px 16px,var(--ink-2)}
.lsec.lcanvas h2{font-size:17px;font-family:var(--mono);font-weight:500;letter-spacing:0;text-transform:none;color:var(--fg);margin-bottom:10px}
.lsec.lcanvas h2::before{content:"";display:inline-block;width:9px;height:9px;border-radius:2px;background:var(--accent-solid);margin-right:10px;vertical-align:middle}
.lsec.lcanvas p{color:var(--mute)}
.lsec.lyours ul{list-style:none;padding:0;gap:0;border-top:1px solid var(--line)}
.lsec.lyours li{padding:12px 0 12px 30px;border-bottom:1px solid var(--line);position:relative}
.lsec.lyours li::before{content:"+";position:absolute;left:4px;top:10px;font-family:var(--mono);color:var(--accent-solid);font-size:16px}
.lstart p{color:var(--mute);font-size:15px}
.lstart b{color:var(--fg);font-weight:500}

/* the hub's hero visual: a viewport clip with the steps it makes lighting up beside it (sync script from schools.html) */
.dhero.hub .wrap{grid-template-columns:minmax(0,5fr) minmax(0,6fr)}
.dh-vis{position:relative;padding:0 26px 74px 0;min-width:0}
.dh-vp{position:relative;margin:0;aspect-ratio:16/9;border:1px solid var(--line-2);border-radius:8px;overflow:hidden;background:#000;box-shadow:0 30px 60px rgba(0,0,0,.55)}
.dh-vp video{width:100%;height:100%;object-fit:cover;display:block}
.dh-vp figcaption{position:absolute;left:10px;top:10px;font-size:10.5px;background:rgba(6,8,11,.84);color:var(--fg);padding:3px 7px;border-radius:2px;max-width:calc(100% - 20px)}
.dh-steps{position:absolute;right:0;bottom:0;width:min(250px,46%);border:1px solid var(--line-2);border-radius:8px;background:rgba(11,15,19,.95);padding:14px 14px 14px;box-shadow:0 24px 50px rgba(0,0,0,.55);backdrop-filter:blur(6px)}
.dh-steps > span{display:block;font-size:10.5px;letter-spacing:.08em;text-transform:uppercase;color:var(--dim);margin-bottom:10px}
.dh-steps ol{list-style:none;padding:0;margin:0;display:flex;flex-direction:column;gap:6px}
.dh-steps li{position:relative;display:grid;grid-template-columns:18px minmax(0,1fr);gap:8px;align-items:center;min-height:28px;padding:4px 10px 4px 8px;border:1px solid var(--line-2);border-left:3px solid #30B9FE;border-radius:4px;background:#0f141a;color:var(--fg);font-size:13px;line-height:1.2;transition:opacity .35s,box-shadow .35s,border-color .35s,color .35s}
.dh-steps li i{font-style:normal;font-size:10px;color:var(--dim)}
.dh-steps li + li::before{content:"";position:absolute;left:17px;top:-7px;width:1.5px;height:6px;background:rgba(48,185,254,.65)}
.dh-vis.live li:not(.on){border-style:dashed;border-color:rgba(243,241,236,.12);border-left-color:rgba(48,185,254,.25);background:transparent;color:transparent}
.dh-vis.live li:not(.on) i{color:transparent}
.dh-vis.live li:not(.on)::before{opacity:.25}
.dh-steps li.now{border-color:#30B9FE;box-shadow:0 0 0 1px rgba(48,185,254,.5),0 0 18px rgba(48,185,254,.22)}
@media (max-width:1080px){ .dhero.hub .wrap{grid-template-columns:1fr} .dh-vis{max-width:720px} }
@media (max-width:760px){
  .dh-vis{padding:0}
  .dh-steps{position:relative;right:auto;bottom:auto;width:auto;margin-top:12px;backdrop-filter:none}
  .dh-steps ol{display:grid;grid-template-columns:1fr 1fr;gap:6px 8px}
  .dh-steps li{font-size:12.5px;min-height:34px}
  .dh-steps li + li::before{display:none}
}
.fcard .pic.light img,.lcard .pic.light img{object-fit:contain;background:#f2f2f0}
.fcard .pic.light{background:#f2f2f0}
/* the result picture sits at the end of the page head (share cards read it from there) */
.lhead .lheropic{margin:clamp(30px,3.4vw,44px) 0 0;position:relative}
.lhead + .lwrap{padding-top:clamp(8px,1.4vw,20px)}