/* for-game-devs.html: "Kinematic for Game devs". Written by tools/gen_for_game-devs.py; edit it there. */
/* hero */
.gd-hero{position:relative;padding-block:calc(var(--barh) + var(--navh) + 48px) 60px;overflow:hidden}
.gd-hero canvas{position:absolute;inset:0;width:100%;height:100%}
.gd-hero .wrap{position:relative;display:grid;grid-template-columns:minmax(0,5fr) minmax(0,7fr);gap:clamp(28px,4vw,64px);align-items:center}
.gd-hero h1{font-size:clamp(42px,5vw,80px);line-height:.95;letter-spacing:-.05em}
.gd-hero h1 i{font-style:normal;background:linear-gradient(90deg,var(--accent),var(--accent2));-webkit-background-clip:text;background-clip:text;color:transparent}
.gd-hero .sub{margin-top:22px;font-size:clamp(18px,1.4vw,20.5px);line-height:1.5;max-width:560px}
.gd-meta{display:flex;flex-wrap:wrap;gap:8px 18px;margin-top:22px;color:var(--mute)}
.gd-meta span{display:flex;align-items:center;gap:8px}
.gd-meta i{width:6px;height:6px;border-radius:50%;background:var(--accent)}
.gd-hv{min-width:0}
.gd-fig{position:relative;margin:0;border:1px solid var(--line-2);border-radius:8px;overflow:hidden;background:#000;min-width:0}
.gd-fig img,.gd-fig video{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;display:block}
.gd-fig figcaption{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)}
.gd-reel{aspect-ratio:16/10;box-shadow:0 30px 70px rgba(0,0,0,.6)}
.gd-reel::after{content:"";position:absolute;left:0;right:0;top:0;height:3px;background:linear-gradient(90deg,var(--accent),var(--accent2))}
.gd-steps{list-style:none;display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:6px;margin-top:12px}
.gd-steps li{position:relative;display:flex;align-items:center;gap:8px;padding:9px 10px 11px;border:1px solid var(--line);border-radius:4px;color:var(--dim);background:rgba(11,15,19,.7);transition:color .3s,border-color .3s;min-width:0;white-space:nowrap;overflow:hidden}
.gd-steps li i{width:6px;height:6px;border-radius:50%;background:var(--line-2);flex:none;transition:background .3s}
.gd-steps li::after{content:"";position:absolute;left:0;bottom:0;height:2px;width:0;background:linear-gradient(90deg,var(--accent),var(--accent2));transition:width .4s}
.gd-steps li.on{color:var(--fg);border-color:var(--line-2)}
.gd-steps li.on i{background:var(--accent2)}
.gd-steps li.on::after{width:100%}

/* the work: four lanes */
.gd-work{border-top:0}
.gd-lane{display:grid;grid-template-columns:minmax(0,200px) minmax(0,1fr);gap:clamp(20px,3vw,40px);padding-block:30px;border-top:1px solid var(--line);scroll-margin-top:calc(var(--barh) + var(--navh) + 70px)}
.gd-lh{display:flex;flex-direction:column;gap:8px;position:sticky;top:calc(var(--barh) + var(--navh) + 90px);align-self:start}
.gd-lh .mono{color:var(--accent)}
.gd-lh h3{font-size:clamp(26px,2.4vw,34px);letter-spacing:-.04em;line-height:1.02}
.gd-lh p{color:var(--mute);font-size:15px}
.gd-tiles{display:grid;grid-template-columns:minmax(0,1.6fr) repeat(3,minmax(0,1fr));gap:12px}
.gd-t{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}
.gd-t:hover{border-color:var(--line-2)}
.gd-t .gd-fig{border:0;border-bottom:1px solid var(--line);border-radius:0;aspect-ratio:1/1}
.gd-t .gd-fig.lead{aspect-ratio:1.6/1}
.gd-t .bd{display:flex;flex-direction:column;gap:8px;padding:16px 16px 18px;flex:1}
.gd-t h4{font-family:var(--display);font-size:19px;font-weight:600;letter-spacing:-.025em;line-height:1.15}
.gd-t.lead h4{font-size:23px}
.gd-t p{color:var(--mute);font-size:14.5px;line-height:1.5}
.gd-go{display:inline-flex;align-items:center;gap:6px;margin-top:auto;padding-top:6px;font-size:14.5px;color:var(--fg);width:max-content;max-width:100%;border-bottom:1px solid var(--line-2);padding-bottom:2px;transition:border-color .2s}
.gd-go span{color:var(--accent)}
.gd-go:hover{border-color:var(--accent)}
/* the sprite sheet, on a checkerboard so the clear background shows, with a playback inset */
.gd-sheet{background:repeating-conic-gradient(#1A2029 0% 25%,#11161D 0% 50%) 0 0/18px 18px}
.gd-t .gd-sheet{aspect-ratio:1.6/1}
.gd-sheet img{object-fit:contain;padding:10px 10px 10px 10px}
.gd-play{position:absolute;right:10px;bottom:10px;width:34%;aspect-ratio:25/16;border:1px solid var(--line-2);border-radius:5px;background:#0B0F13;overflow:hidden;box-shadow:0 10px 30px rgba(0,0,0,.55)}
.gd-play span{position:absolute;inset:4px 4px 14px;background:url(../assets/gd/fox-run-sheet.webp) 0 0/400% 400% no-repeat;animation:gdx .25s steps(4) infinite,gdy 1s steps(4) infinite}
.gd-play small{position:absolute;left:6px;bottom:2px;font-size:9.5px;color:var(--dim)}
@keyframes gdx{from{background-position-x:0%}to{background-position-x:133.3333%}}
@keyframes gdy{from{background-position-y:0%}to{background-position-y:133.3333%}}
@media (prefers-reduced-motion:reduce){.gd-play span{animation:none}}

/* showcase bands */
.gd-band{display:grid;grid-template-columns:minmax(0,7fr) minmax(0,5fr);gap:clamp(28px,4vw,64px);align-items:center;padding-block:clamp(52px,5.5vw,92px);border-top:1px solid var(--line);scroll-margin-top:calc(var(--barh) + var(--navh) + 70px)}
.gd-band.flip{grid-template-columns:minmax(0,5fr) minmax(0,7fr)}
.gd-band.wide{display:block}
.gd-txt{display:flex;flex-direction:column;gap:16px;min-width:0}
.gd-txt .eyebrow,.gd-wtop .eyebrow{margin:0;color:var(--accent)}
.gd-txt h2,.gd-wtop h2{font-size:clamp(34px,3.7vw,58px);line-height:1;letter-spacing:-.045em}
.gd-txt p,.gd-wtop p{color:var(--mute);font-size:clamp(16.5px,1.2vw,18px);line-height:1.55;max-width:560px}
.gd-wtop{display:grid;grid-template-columns:minmax(0,5fr) minmax(0,7fr);gap:18px clamp(28px,4vw,64px);align-items:end;margin-bottom:30px}
/* engine */
.gd-eng{display:flex;flex-direction:column;gap:14px}
.gd-folder,.gd-char{min-width:0}
.gd-folder{border:1px solid var(--line-2);border-radius:8px;background:#07090c;overflow:hidden;display:flex;flex-direction:column}
.gd-folder .bar{display:flex;align-items:center;gap:7px;height:34px;padding:0 12px;border-bottom:1px solid var(--line);font-size:11px;color:var(--dim)}
.gd-folder .bar i{width:9px;height:9px;border-radius:50%;background:var(--ink-4)}
.gd-folder .bar span{margin-left:6px;min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.gd-folder ul{list-style:none;display:grid;grid-template-columns:repeat(6,minmax(0,1fr));gap:14px;padding:18px}
.gd-folder li{display:flex;flex-direction:column;gap:5px;min-width:0}
.gd-folder li img{width:100%;aspect-ratio:1/1;object-fit:cover;border-radius:4px;border:1px solid var(--line)}
.gd-folder li span{font-size:11px;color:var(--fg);overflow-wrap:anywhere}
.gd-folder li em{font-style:normal;font-size:12.5px;color:var(--dim)}
.gd-fnote{display:flex;flex-wrap:wrap;justify-content:space-between;align-items:center;gap:14px 28px;padding:0 18px 18px}
.gd-fnote p{color:var(--mute);font-size:15px;line-height:1.55;flex:1 1 520px;max-width:760px}
.gd-code pre{font-size:12.5px;line-height:1.75}
.gd-code .s{color:#9FE7C0}
.gd-code .c{color:var(--dim)}
.gd-char{display:grid;grid-template-columns:minmax(0,7fr) minmax(0,5fr);gap:14px 28px;align-items:start}
.gd-facts{list-style:none;border-top:1px solid var(--line-2)}
.gd-facts li{display:flex;flex-direction:column;gap:3px;padding:12px 0;border-bottom:1px solid var(--line)}
.gd-facts b{font-family:var(--display);font-weight:600;font-size:17px;letter-spacing:-.02em}
.gd-facts span{color:var(--mute);font-size:14.5px;line-height:1.5}
/* effects */
.gd-sgrid{display:grid;grid-template-columns:minmax(0,7fr) minmax(0,5fr);gap:clamp(28px,4vw,64px);align-items:start}
.gd-mos{display:grid;grid-template-columns:minmax(0,2.1fr) minmax(0,1fr);grid-template-rows:repeat(3,minmax(0,1fr));gap:10px;aspect-ratio:16/10;min-width:0}
.gd-mos .big{grid-row:1/4}
.gd-mos .gd-fig{height:100%}
.gd-mos .sm figcaption{font-size:9.5px;left:6px;top:6px}
.gd-sol{list-style:none;border-top:1px solid var(--line-2)}
.gd-sol li{display:flex;justify-content:space-between;align-items:baseline;gap:6px 18px;padding:12px 0;border-bottom:1px solid var(--line);flex-wrap:wrap}
.gd-sol li > div{flex:1 1 260px;min-width:0}
.gd-sol b{display:block;font-family:var(--display);font-weight:600;font-size:18px;letter-spacing:-.02em}
.gd-sol span{color:var(--mute);font-size:14.5px;line-height:1.45}
.gd-sol code{font-family:var(--mono);font-size:11.5px;color:var(--dim);overflow-wrap:anywhere}
.gd-note{font-size:15px!important;border-left:2px solid var(--accent);padding-left:14px;color:var(--fg)!important;margin-top:16px}
/* sound */
.gd-pair{position:relative;min-width:0;padding-bottom:44px}
.gd-pair .a{aspect-ratio:16/10;width:88%}
.gd-pair .b{position:absolute;right:0;bottom:0;width:46%;aspect-ratio:16/10;box-shadow:0 24px 60px rgba(0,0,0,.7)}
.gd-fig.left img{object-position:0 50%}
/* mocap */
.gd-trio{display:grid;grid-template-columns:minmax(0,1.4fr) minmax(0,1fr);grid-template-rows:repeat(2,minmax(0,1fr));gap:10px;aspect-ratio:16/10;min-width:0}
.gd-trio .a{grid-row:1/3}
.gd-trio .gd-fig{height:100%}
.gd-trio .b figcaption,.gd-trio .c figcaption{font-size:9.5px;left:6px;top:6px}

/* how it fits */
.gd-u{color:var(--fg);border-bottom:1px solid var(--line-2)}
.gd-u:hover{border-color:var(--accent)}
.gd-files{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px}
.gd-files > div{border:1px solid var(--line);border-radius:8px;padding:20px 22px;background:var(--ink-2);display:flex;flex-direction:column;gap:12px;min-width:0}
.gd-files h3,.gd-panel h3{font-size:20px;letter-spacing:-.02em}
.gd-gear{display:grid;gap:0;border-top:1px solid var(--line-2)}
.gd-gear div{padding:9px 0;border-bottom:1px solid var(--line)}
.gd-gear dt{font-family:var(--display);font-weight:600;font-size:16px;letter-spacing:-.015em}
.gd-gear dd{color:var(--mute);font-size:14px;line-height:1.45}
.gd-two{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px;margin-top:14px}
.gd-panel{border:1px solid var(--line);border-radius:8px;padding:22px 24px;background:var(--ink-2);display:flex;flex-direction:column;gap:16px;min-width:0}
.gd-panel > p{color:var(--mute);font-size:15px}
.gd-from{display:grid;gap:0;border-top:1px solid var(--line-2)}
.gd-from a{display:flex;justify-content:space-between;align-items:center;gap:12px;padding:14px 2px;border-bottom:1px solid var(--line);transition:color .2s}
.gd-from b{display:flex;align-items:center;gap:10px;font-family:var(--display);font-weight:600;font-size:19px;letter-spacing:-.02em}
.gd-from b i{width:8px;height:8px;border-radius:50%;background:var(--c)}
.gd-from span{color:var(--mute);font-size:14.5px}
.gd-from a:hover span{color:var(--fg)}

/* where to start */
.gd-sub{font-size:20px;letter-spacing:-.02em;margin:6px 0 16px}
.gd-sub ~ .gd-sub{margin-top:40px}
.gd-learn{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px}
.gd-demos{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:14px}
.gd-l,.gd-d{display:flex;flex-direction:column;border:1px solid var(--line-2);border-radius:8px;background:var(--ink-2);overflow:hidden;min-width:0;transition:border-color .2s,transform .2s}
.gd-l:hover{border-color:var(--accent);transform:translateY(-2px)}
.gd-l .pic,.gd-d .pic{display:block;aspect-ratio:16/10;background:#000;overflow:hidden}
.gd-l .pic{aspect-ratio:16/9}
.gd-l .pic img,.gd-d .pic img{width:100%;height:100%;object-fit:cover;transition:transform .5s}
.gd-l:hover .pic img{transform:scale(1.04)}
.gd-l .t,.gd-d .t{display:flex;flex-direction:column;gap:6px;padding:14px 16px 16px;flex:1}
.gd-l b,.gd-d b{font-family:var(--display);font-size:19px;letter-spacing:-.02em;line-height:1.2}
.gd-l em,.gd-d em{font-style:normal;color:var(--mute);font-size:14px;line-height:1.4}
.gd-l .go,.gd-d .go{margin-top:auto;padding-top:8px;display:flex;align-items:center;gap:8px;font-size:11.5px;color:var(--fg)}
.gd-l .go{color:var(--accent)}
.gd-d .go i{width:0;height:0;border-left:7px solid var(--accent);border-top:4.5px solid transparent;border-bottom:4.5px solid transparent}
.gd-more{display:flex;flex-wrap:wrap;gap:12px 28px;margin-top:26px}

/* what it does not yet do */
.gd-gaps{display:grid;grid-template-columns:minmax(0,5fr) minmax(0,7fr);gap:clamp(28px,4vw,64px);align-items:start}
.gd-gaps .lede a{color:var(--fg);border-bottom:1px solid var(--line-2)}
.gd-gaps ul{list-style:none;border-top:1px solid var(--line-2)}
.gd-gaps li{display:flex;gap:14px;padding:16px 0;border-bottom:1px solid var(--line)}
.gd-gaps li::before{content:"";flex:none;width:12px;height:12px;margin-top:6px;border-radius:50%;border:1.5px solid var(--dim)}
.gd-gaps li div{display:flex;flex-direction:column;gap:4px;font-family:var(--display);font-weight:600;font-size:18px;letter-spacing:-.02em;min-width:0}
.gd-gaps li span{font-family:var(--body);font-weight:400;font-size:15px;letter-spacing:0;color:var(--mute);line-height:1.5}

/* the call to action */
.gd-end .band{margin-top:0}
.gd-end h3{max-width:640px}
.gd-cta{display:flex;flex-wrap:wrap;gap:10px}

@media (min-width:1081px){
  .gd-sgrid .gd-mos{position:sticky;top:calc(var(--barh) + var(--navh) + 84px)}
}
@media (max-width:1180px){
  .gd-demos{grid-template-columns:repeat(2,minmax(0,1fr))}
  .gd-lane{grid-template-columns:1fr}
  .gd-lh{position:static;flex-direction:row;flex-wrap:wrap;align-items:baseline;gap:6px 14px}
  .gd-lh p{flex-basis:100%}
}
@media (max-width:1080px){
  .gd-hero .wrap,.gd-band,.gd-band.flip,.gd-wtop,.gd-sgrid,.gd-eng,.gd-two,.gd-gaps{grid-template-columns:1fr}
  .gd-band.flip > .gd-txt{order:-1}
  .gd-tiles{grid-template-columns:repeat(3,minmax(0,1fr))}
  .gd-t.lead{grid-column:1/-1;display:grid;grid-template-columns:minmax(0,1.4fr) minmax(0,1fr)}
  .gd-t.lead .gd-fig{border-bottom:0;border-right:1px solid var(--line)}
  .gd-files{grid-template-columns:1fr 1fr}
  .gd-folder ul{grid-template-columns:repeat(3,minmax(0,1fr))}
  .gd-char{grid-template-columns:1fr}
  .gd-files > div:last-child{grid-column:1/-1}
  .gd-learn{grid-template-columns:repeat(2,minmax(0,1fr))}
}
@media (max-width:760px){
  .gd-steps{grid-template-columns:repeat(5,auto);justify-content:start;overflow:hidden}
  .gd-steps li{padding:7px 8px 9px;font-size:10.5px;gap:6px}
  .gd-steps li i{display:none}
  .gd-tiles{grid-template-columns:1fr;gap:10px}
  .gd-t.lead{display:flex}
  .gd-t.lead .gd-fig{border-right:0;border-bottom:1px solid var(--line)}
  .gd-t:not(.lead){flex-direction:row}
  .gd-t:not(.lead) .gd-fig{flex:0 0 36%;aspect-ratio:auto;min-height:132px;border-bottom:0;border-right:1px solid var(--line)}
  .gd-t:not(.lead) .bd{padding:12px 14px 13px;gap:5px}
  .gd-t:not(.lead) h4{font-size:17px}
  .gd-t:not(.lead) p{font-size:13.5px}
  .gd-t .gd-go{font-size:13.5px}
  .gd-folder ul{grid-template-columns:repeat(2,minmax(0,1fr));padding:14px;gap:12px}
  .gd-code pre{font-size:11px;padding:14px}
  .gd-mos{grid-template-columns:repeat(3,minmax(0,1fr));grid-template-rows:auto auto;aspect-ratio:auto}
  .gd-mos .big{grid-column:1/-1;grid-row:auto;aspect-ratio:16/10}
  .gd-mos .sm{aspect-ratio:1/1}
  .gd-mos .sm figcaption{display:none}
  .gd-pair{display:grid;gap:10px;padding-bottom:0}
  .gd-pair .a{width:100%}
  .gd-pair .b{position:relative;width:100%;box-shadow:none}
  .gd-trio{aspect-ratio:auto;grid-template-columns:1fr 1fr;grid-template-rows:auto auto}
  .gd-trio .a{grid-column:1/-1;grid-row:auto;aspect-ratio:16/10}
  .gd-trio .b,.gd-trio .c{aspect-ratio:16/10}
  .gd-files,.gd-learn,.gd-demos{grid-template-columns:1fr}
  .gd-l,.gd-d{flex-direction:row}
  .gd-l .pic,.gd-d .pic{flex:0 0 38%;aspect-ratio:auto;min-height:118px}
  .gd-l .t,.gd-d .t{padding:12px 14px 13px;gap:4px}
  .gd-l b,.gd-d b{font-size:17px}
  .gd-l em,.gd-d em{font-size:13px}
  .gd-play{width:44%}
}