:root{
  --gray-950:oklch(.13 .028 261.692);--gray-900:oklch(.21 .034 264.665);--gray-800:oklch(.278 .033 256.848);
  --gray-300:oklch(.872 .01 258.338);--gray-400:oklch(.707 .022 261.325);
  --slate-50:oklch(.984 .003 247.858);--slate-200:oklch(.929 .013 255.508);--slate-300:oklch(.869 .022 252.894);--slate-400:oklch(.704 .04 256.788);
  --slate-500:oklch(.554 .046 257.417);--slate-600:oklch(.446 .043 257.281);--slate-700:oklch(.372 .044 257.287);--slate-800:oklch(.279 .041 260.031);--slate-950:oklch(.129 .042 264.695);
  --cyan-300:oklch(.865 .127 207.078);
  --primary:#6200ff;--primary-light:#a08aff;--primary-deep:#3f00a8;
  --marker-red:#f01a1a;--marker-blue:#0034ff;--marker-blue-light:color-mix(in srgb,#0034ff,white 20%);--marker-green:oklch(.627 .194 149.214);
  --font-heading:'Ranga','Ranga Fallback',ui-sans-serif,system-ui,sans-serif;
  --font-sans:'Atkinson Hyperlegible Next','Atkinson Fallback',ui-sans-serif,system-ui,-apple-system,'Segoe UI',Roboto,sans-serif;
  --font-mono:ui-monospace,SFMono-Regular,Menlo,Consolas,'Liberation Mono',monospace;
  --text-xs:.75rem;--text-sm:clamp(.91rem,.24vw + .83rem,1rem);--text-base:clamp(1rem,.34vw + .91rem,1.19rem);--text-lg:clamp(1.12rem,.5vw + 1rem,1.3rem);
  --text-xl:clamp(1.4rem,.61vw + 1.1rem,1.58rem);--text-2xl:clamp(1.56rem,1vw + 1.31rem,2.11rem);--text-3xl:clamp(1.95rem,1.56vw + 1.56rem,2.81rem);
  --text-4xl:clamp(2.44rem,2.38vw + 1.85rem,3.75rem);--text-5xl:clamp(3.05rem,3.54vw + 2.17rem,5rem);--text-7xl:clamp(5.2rem,3.94vw + 3.75rem,6.4rem);--text-8xl:clamp(5.8rem,4.14vw + 4.05rem,7.2rem);
  --ease-spring-1:linear(0,.006,.025 2.8%,.101 6.1%,.539 18.9%,.721 25.3%,.849 31.5%,.937 38.1%,.968 41.8%,.991 45.7%,1.006 50.1%,1.015 55%,1.017 63.9%,1.001);
  --ease-spring-2:linear(0,.007,.029 2.2%,.118 4.7%,.625 14.4%,.826 19%,.902,.962,1.008 26.1%,1.041 28.7%,1.064 32.1%,1.07 36%,1.061 40.5%,1.015 53.4%,.999 61.6%,.995 71.2%,1);
  --ease-spring-3:linear(0,.009,.035 2.1%,.141 4.4%,.723 12.9%,.938 16.7%,1.017,1.077,1.121,1.149 24.3%,1.159,1.163,1.161,1.154 29.9%,1.129 32.8%,1.051 39.6%,1.017 43.1%,.991,.977 51%,.974 53.8%,.975 57.1%,.997 69.8%,1.003 76.9%,1);
  --ease-spring-5:linear(0,.01,.04 1.6%,.161 3.3%,.816 9.4%,1.046,1.189 14.4%,1.231,1.254 17%,1.259,1.257 18.6%,1.236,1.194 22.3%,1.057 27%,.999 29.4%,.955 32.1%,.942,.935 34.9%,.933,.939 38.4%,1 47.3%,1.011,1.017 52.6%,1.016 56.4%,1 65.2%,.996 70.2%,1.001 87.2%,1);
  --ease-in-out:cubic-bezier(.4,0,.2,1);
  color-scheme:dark;
}
@font-face{font-family:'Ranga Fallback';src:local('Arial Narrow'),local('Roboto Condensed'),local('Arial');size-adjust:78%}
@font-face{font-family:'Atkinson Fallback';src:local('Arial'),local('Roboto');size-adjust:104%}
@view-transition{navigation:auto}
::view-transition-old(root),::view-transition-new(root){animation-duration:.22s;animation-timing-function:var(--ease-in-out)}
::view-transition-group(*){animation-duration:.5s;animation-timing-function:var(--ease-spring-5)}
::view-transition-group(root){animation-duration:.22s}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0;border:0 solid}
html{-webkit-tap-highlight-color:transparent;-webkit-text-size-adjust:100%;text-size-adjust:100%;scroll-behavior:smooth;background:var(--gray-950);overflow-x:clip}
body{background:var(--gray-950);color:#fff;font-family:var(--font-sans);font-size:var(--text-base);line-height:1.5;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;text-rendering:optimizeLegibility;min-height:100dvh;display:flex;flex-direction:column;overflow-x:clip}
body.lock{overflow:hidden;touch-action:none}
img,svg,canvas,iframe{display:block;max-width:100%}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit;background:none;cursor:pointer}
h1,h2,h3{font-weight:400}
h1,.heading{font-family:var(--font-heading);letter-spacing:0}
:focus-visible{outline:2px solid var(--primary-light);outline-offset:3px;border-radius:6px}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}
.page{flex:1;min-height:80dvh}

/* ---------- nav ---------- */
.nav-wrap{position:sticky;top:0;z-index:40;display:block}
.nav-wrap::before{content:"";pointer-events:none;position:absolute;inset:0 0 -100%;--bg:var(--gray-950);
  background-image:linear-gradient(180deg,var(--bg) 0%,color-mix(in srgb,var(--bg) 50%,transparent) 48%,color-mix(in srgb,var(--bg) 40%,transparent) 55%,color-mix(in srgb,var(--bg) 30%,transparent) 62%,color-mix(in srgb,var(--bg) 20%,transparent) 70%,color-mix(in srgb,var(--bg) 10%,transparent) 80%,transparent 100%);z-index:-1}
.nav{position:relative;max-width:80ch;margin:0 auto;display:flex;gap:1.5rem;align-items:center;font-size:var(--text-lg);padding:.5rem .75rem}
@media (min-width:640px){.nav{padding:.75rem .75rem}}
.socials{display:flex;gap:.35rem;align-items:center;color:var(--slate-200);list-style:none;position:absolute;left:.75rem;transition:opacity .3s,visibility .3s,scale .5s var(--ease-spring-5);transform-origin:left center}
@media (min-width:640px){.socials{position:relative;left:0}}
.socials li{transition:scale .7s var(--ease-spring-3),color .2s}
.socials li:hover,.socials li:focus-within{color:#fff;scale:1.1}
.socials a{display:grid;place-items:center;min-width:32px;min-height:40px}
.socials svg{width:24px;height:24px}
.nav-wrap[data-open] .socials{opacity:0;visibility:hidden;scale:.6}
@media (min-width:640px){.nav-wrap[data-open] .socials{opacity:1;visibility:visible;scale:1}}
.links{display:flex;gap:1.5rem;margin-left:auto;align-items:center;list-style:none}
@media (max-width:380px){.links{gap:1.1rem}}
.links li{font-family:var(--font-heading);font-size:var(--text-xl);letter-spacing:.025em;visibility:hidden;opacity:0;
  transform:translate(calc(4.5em - var(--idx)*1em));transition:opacity .35s,visibility .35s,transform .5s var(--ease-spring-5);transition-delay:calc(var(--idx)*50ms)}
.nav-wrap[data-open] .links li{visibility:visible;opacity:1;transform:translate(0);transition-delay:calc((4 - var(--idx))*50ms)}
.links a{display:block;color:var(--gray-300);line-height:1;padding:.45rem 0;transition:color .2s,scale .4s var(--ease-spring-3)}
.links a:hover{color:#fff}
.links a[aria-current]{color:#fff;font-weight:700;scale:1.05}
.toggle{position:relative;width:25px;height:20px;display:flex;flex-direction:column;justify-content:space-between;flex:none;view-transition-name:nav-toggle}
.toggle::before{content:"";position:absolute;inset:-12px -10px}
.toggle i{display:block;height:3px;width:100%;border-radius:9px;background:currentColor;transition:transform .5s var(--ease-spring-3)}
.toggle i:nth-child(1){transform-origin:top right}.toggle i:nth-child(3){transform-origin:bottom right}
.nav-wrap[data-open] .toggle i:nth-child(1){transform:rotate(-45deg)}
.nav-wrap[data-open] .toggle i:nth-child(2){transform:scale(0)}
.nav-wrap[data-open] .toggle i:nth-child(3){transform:rotate(45deg)}

/* ---------- buttons (3D press) ---------- */
.btn{height:3.5rem;display:flex;font-weight:700;border-radius:1rem;padding:0 .25rem;font-size:var(--text-lg);transform-origin:bottom;transition:transform .3s var(--ease-spring-3),padding .3s var(--ease-spring-3);user-select:none;-webkit-user-select:none}
.btn>span{width:100%;height:3rem;padding:0 2rem;display:flex;gap:.5rem;align-items:center;justify-content:center;border-radius:.75rem;transform-origin:top;transition:filter .2s,transform .3s var(--ease-spring-3),border-radius .3s;white-space:nowrap}
.btn:hover>span{filter:brightness(1.25)}
.btn:active{transform:scaleY(.9);padding:0}
.btn:active>span{transform:scaleY(1.05);border-radius:1rem}
.btn.primary{background:var(--primary-deep);box-shadow:0 10px 30px -10px #6200ff88}
.btn.primary>span{background:radial-gradient(170% 170% at 110% 120%,#fff4 0%,#6200ff00 50%,#fff3 100%),var(--primary);color:#fff;box-shadow:inset 0 1px 0 #ffffff40}
.btn.secondary{background:var(--slate-800)}
.btn.secondary>span{background:linear-gradient(180deg,var(--slate-600),color-mix(in srgb,var(--slate-600),var(--slate-700) 60%));color:#fff;box-shadow:inset 0 1px 0 #ffffff26}
.btn svg{width:1em;height:1em;margin-bottom:2px}
.shine{animation:shine 4s ease-in-out infinite}
.shine.d1{animation-delay:.5s}.shine.d2{animation-delay:1s}
@keyframes shine{0%,30%,to{filter:brightness(1)}15%{filter:brightness(1.5)}}

/* ---------- hero ---------- */
main.home{overflow:hidden;margin-top:-3rem}
.hero{position:relative;padding-top:4rem;margin-bottom:8rem}
.hero-bg{position:absolute;inset:0 0 50% 0;background:var(--gray-900);z-index:-10}
@media (min-width:640px){.hero-bg{bottom:30%}}
.hero-bg svg{position:absolute;left:0;right:0;bottom:-2rem;width:100%;height:2rem;color:var(--gray-900)}
.hero-grid{max-width:80ch;margin:0 auto 2rem;display:grid;grid-template-columns:4fr 3fr;gap:1.5rem;padding:0 1rem;grid-template-areas:"heading heading" "buttons whiteboard"}
@media (min-width:640px){.hero-grid{padding:0 2rem;grid-template-areas:"heading whiteboard" "buttons whiteboard"}}
.hero-head{grid-area:heading;margin-top:2rem;container-type:inline-size}
@media (min-width:640px){.hero-head{align-self:end}}
.hero h1{font-size:var(--text-8xl);line-height:1;margin-bottom:.15em}
.hero h1 .hi{display:none}
@container (min-width:24rem){.hero h1 .hi{display:inline}}
.grad{font-weight:700;background:linear-gradient(90deg,#9b5dff,#6200ff);-webkit-background-clip:text;background-clip:text;color:transparent;animation:shine 4s ease-in-out infinite;padding-right:.04em}
.hero .lede{font-size:var(--text-lg);margin-bottom:1.25rem;color:var(--slate-400);max-width:32ch}
.hero .lede b{color:#fff;font-weight:400}
.hero-btns{grid-area:buttons;display:flex;flex-direction:column-reverse;gap:1.5rem;align-self:start;margin-top:3rem}
@media (min-width:640px){.hero-btns{flex-direction:row;margin-top:0}.hero-btns .btn{width:10rem}.hero-btns .btn>span{padding:0 1rem}}

/* ---------- whiteboard ---------- */
.wb-slot{grid-area:whiteboard;position:relative;margin-right:-30%}
@media (min-width:640px){.wb-slot{margin-right:0;min-width:14rem}}
.wb{position:relative;rotate:3deg;transition:rotate .3s var(--ease-in-out);view-transition-name:whiteboard;touch-action:pan-y}
.wb>svg.frame{width:100%;height:auto}
.wb canvas{position:absolute;width:79%;height:81.5%;left:10.5%;top:6.4%;border-radius:4%;touch-action:pan-y}
[data-drawing] .wb{rotate:0deg}
[data-drawing] .wb canvas{touch-action:none;cursor:crosshair}
.eraser{position:absolute;left:13.5%;bottom:8.8%;width:12.5%;aspect-ratio:1}
.eraser label{display:block;width:100%;height:100%;border-radius:20%;background:var(--marker-blue);transition:transform .7s var(--ease-spring-5),background .2s;cursor:pointer;
  box-shadow:inset 0 -6px 0 #0006,inset 0 2px 0 #fff3}
[data-drawing] .eraser label:not(:has(:checked)){background:var(--marker-blue-light)}
[data-drawing] .eraser label:has(:checked){transform:scale(1.12)}
.markers{position:absolute;bottom:1.6%;left:10%;right:5%;display:flex;justify-content:center;gap:5%;opacity:.35;transition:opacity .3s}
[data-drawing] .markers{opacity:1}
.markers label{width:24%;opacity:.85;cursor:pointer;transition:opacity .3s,transform .7s var(--ease-spring-5)}
.markers label svg{width:100%;height:auto;overflow:visible}
[data-drawing] .markers label:has(:checked){opacity:1;transform:translateY(-30%)}
.wb-close{position:absolute;top:1.3rem;right:.35rem;padding:.6rem;background:var(--slate-500);border-radius:999px;opacity:0;visibility:hidden;transition:opacity .2s,visibility .2s,scale .4s var(--ease-spring-3);display:grid;place-items:center;box-shadow:0 6px 18px #0007}
.wb-close svg{width:1.1rem;height:1.1rem}
.wb-close:active{scale:.9}
[data-drawing] .wb-close{opacity:1;visibility:visible}
.wb-hint{position:absolute;left:0;right:0;top:calc(100% + .4rem);text-align:center;font-size:var(--text-sm);color:var(--slate-400);opacity:0;transition:opacity .3s;pointer-events:none}
[data-drawing] .wb-hint{opacity:1}
.backdrop{position:fixed;inset:0;z-index:30;background:var(--gray-950);opacity:0;visibility:hidden;transition:opacity .3s,visibility .3s}
[data-drawing] .backdrop{opacity:.82;visibility:visible}
[data-drawing] .wb-slot{z-index:31}
@media (max-width:639.98px){
  [data-drawing] .wb-slot{position:fixed;margin:0;inset:auto;top:max(1rem,env(safe-area-inset-top));left:50%;translate:-50% 0;width:min(calc(100vw - 2rem),calc((100dvh - 4rem)*.6667))}
}
.squiggle-box{position:absolute;bottom:10%;right:90%;width:100%;overflow:hidden;z-index:-10;transition:opacity .3s;pointer-events:none}
@media (min-width:640px){.squiggle-box{right:50%}}
.squiggle-box::after{content:"";position:absolute;inset:0;background-image:linear-gradient(90deg,var(--gray-950) 0%,transparent 60%)}
.squiggle{width:200%;height:auto;color:var(--primary);animation:squiggle 5s linear infinite}
@keyframes squiggle{to{transform:translate(-50%)}}
[data-drawing] .squiggle-box{opacity:0}

/* ---------- section heads ---------- */
.sec-head{margin-top:6rem;padding:0 .75rem;text-align:center;max-width:65ch;margin-left:auto;margin-right:auto}
.sec-head h2{font-family:var(--font-heading);font-size:var(--text-5xl);line-height:1;margin-bottom:1rem}
@media (min-width:640px){.sec-head h2{font-size:var(--text-7xl)}}
.sec-head p{color:var(--slate-400);font-size:var(--text-lg);padding:0 .5rem}
.cyan{color:var(--cyan-300);font-weight:700}
.purple{color:var(--primary-light);font-weight:700}
.pulse{animation:pulse 2s cubic-bezier(.4,0,.6,1) infinite;color:var(--slate-50)}
@keyframes pulse{50%{opacity:.55}}

/* ---------- computer ---------- */
.computer{display:block;padding:0 .25rem;margin:0 auto}
@media (min-width:640px){.computer{padding:0 1.5rem}}
.cmp{position:relative;max-width:65ch;margin:0 auto;padding:2rem 0 1rem;display:grid}
.cmp>*{grid-area:1/1}
.cmp .glow{width:86%;height:auto;margin:9% 7% 0;aspect-ratio:3/2;object-fit:cover;visibility:hidden;opacity:0;filter:brightness(5) blur(40px);transform-origin:bottom;transform:perspective(1000px) rotateX(4deg) scale(.8)}
.cmp[data-welcome] .glow{visibility:visible;animation:glow-reveal .2s ease-in forwards,glowpulse 4s cubic-bezier(.4,0,.6,1) infinite;animation-delay:var(--d,.5s)}
@keyframes glow-reveal{to{opacity:.85;transform:perspective(1000px) rotateX(4deg) scale(1)}}
@keyframes glowpulse{50%{opacity:.55}}
.cmp .body{position:relative;z-index:1}
.cmp .body>svg{width:100%;height:auto}
.screen{position:absolute;left:6.5%;width:87%;top:6.2%;aspect-ratio:3/2;background:var(--slate-950);overflow:hidden;border-radius:2.2%/3.3%}
.screen img.thumb{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;object-position:top;visibility:hidden;transform-origin:bottom;transform:perspective(1000px) rotateX(4deg)}
.cmp[data-welcome] .screen img.thumb{visibility:visible;filter:brightness(.3);clip-path:ellipse(0% 0%);animation:img-reveal .3s ease-in forwards;animation-delay:var(--d,.5s)}
@keyframes img-reveal{to{clip-path:ellipse(100% 100%);filter:brightness(1)}}
.cmp .screen img.thumb.swap,.cmp[data-welcome] .screen img.thumb.swap{animation:swap .45s var(--ease-in-out) both;clip-path:none;filter:none;visibility:visible}
@keyframes swap{0%{filter:brightness(2.2) saturate(0);transform:perspective(1000px) rotateX(4deg) scaleY(.02)}55%{filter:brightness(1.4)}100%{filter:brightness(1);transform:perspective(1000px) rotateX(4deg) scaleY(1)}}
.scan-ov{position:absolute;inset:0;pointer-events:none;display:flex;flex-direction:column;justify-content:space-between;background-image:linear-gradient(#0000,#00000018,#0000);background-size:100% 6px}
.scan{height:4px;width:100%;background:var(--slate-200);opacity:0}
.cmp[data-welcome] .scan{animation:scan 4s linear infinite;animation-delay:var(--d,.5s)}
@keyframes scan{0%{opacity:.3;transform:translateY(0)}to{opacity:0;transform:translateY(400px)}}
.btn-labels{display:flex;justify-content:space-between;padding:12% 7% 2.5%;font-weight:700;background:linear-gradient(0deg,var(--slate-950) 10%,transparent);font-size:clamp(.82rem,2.6vw,1.05rem);opacity:0;visibility:hidden}
.cmp[data-welcome] .btn-labels{visibility:visible;animation:fadein .3s ease-in forwards;animation-delay:var(--d,.5s)}
@keyframes fadein{to{opacity:1}}
.btn-labels span{width:6ch;display:flex;flex-direction:column;align-items:center;gap:.1rem;line-height:1.1}
.btn-labels svg{width:1rem;height:1rem;animation:nudge 1.6s ease-in-out infinite}
@keyframes nudge{50%{transform:translateY(3px)}}
.site-tag{position:absolute;left:5%;top:5%;font-family:var(--font-mono);font-size:clamp(.62rem,2vw,.8rem);background:#020617cc;color:var(--slate-200);padding:.2em .6em;border-radius:.4em;backdrop-filter:blur(4px);opacity:0;transition:opacity .3s}
.cmp[data-welcome] .site-tag{opacity:1;transition-delay:.8s}
.screen iframe{position:absolute;top:0;left:0;border:0;background:#fff;transform-origin:0 0}
.cmp[data-playing] .thumb,.cmp[data-playing] .btn-labels,.cmp[data-playing] .scan-ov{visibility:hidden!important}
.cmp-ui{position:absolute;left:0;right:0;bottom:6.1%;height:13.4%;display:flex;justify-content:space-between;align-items:flex-end;padding:0 5.4%;z-index:2}
.knob{width:22%;aspect-ratio:1.55;position:relative;-webkit-user-select:none;user-select:none}
.knob svg{width:100%;height:100%;overflow:visible}
.knob .back{transform-origin:bottom;transition:transform .5s var(--ease-spring-5)}
.knob .face{transform-origin:50% 50%;transform-box:fill-box;transition:filter .2s var(--ease-in-out),transform .5s var(--ease-spring-5)}
.knob:hover .face{filter:brightness(1.2)}
.knob:active .face{transform:scale(1.02) translateY(7%)}
.knob:active .back{transform:scaleY(.9)}
.knob .dice{transform-origin:50% 50%;transform-box:fill-box;transition:transform .7s var(--ease-spring-2)}
.knob:hover .dice{transform:rotate(730deg)}
.drive{flex:1;align-self:stretch;margin:0 4%;display:flex;flex-direction:column;justify-content:flex-end;padding-bottom:6%}
.slot{position:relative;display:grid;place-items:center;height:56%;background:linear-gradient(180deg,var(--slate-800),var(--slate-700));border-radius:0 0 .6em .6em;transform-origin:50% 20%;filter:brightness(.9);scale:1.12;box-shadow:0 1.2em 3em var(--slate-800);font-size:clamp(9px,2.4vw,16px)}
.cmp[data-welcome] .slot{animation:close-drive .7s var(--ease-spring-5) forwards}
@keyframes close-drive{to{filter:brightness(1);box-shadow:0 .6em 1.2em #0005;scale:1}}
.slot::before{content:"";position:absolute;left:8%;right:30%;top:22%;height:14%;border-radius:9px;background:#0007}
.eject{position:absolute;right:9%;top:50%;translate:0 -50%;width:13%;aspect-ratio:2.2;border-radius:999px;background:linear-gradient(#128dba,#134b90);padding:1px}
.eject::after{content:"";display:block;width:100%;height:90%;border-radius:999px;background:linear-gradient(#33c0eb,#3978d5)}
.cmp-caption{max-width:65ch;margin:-.25rem auto 0;text-align:center;font-size:var(--text-sm);color:var(--slate-400);padding:0 1rem;min-height:1.5em}
.cmp-caption a{color:var(--cyan-300);font-family:var(--font-mono);font-size:.92em}
.cmp-caption a:hover{text-decoration:underline;text-underline-offset:3px}

/* ---------- list cards ---------- */
.wrap{max-width:65ch;margin:0 auto;padding:0 .5rem}
@media (min-width:640px){.wrap{padding:0 2rem}}
.list{background:var(--gray-900);border-radius:.4rem;padding:0 1.25rem;margin-top:2rem}
@media (min-width:640px){.list{padding:0 2rem}}
.row{display:flex;gap:1rem;align-items:flex-start;justify-content:space-between;padding:1.6rem 0;border-bottom:1px solid var(--gray-800);transition:filter .15s}
.list>:last-child .row,.list>.row:last-child{border-bottom:0}
a.row-link{display:block}
a.row-link:hover .row{filter:brightness(1.25)}
.row h3{font-size:var(--text-lg);font-weight:700;margin-bottom:.35rem;line-height:1.3}
.row p.d{font-size:var(--text-sm);color:var(--gray-400);margin-bottom:.9rem;line-height:1.45}
.chip{display:inline-block;background:var(--slate-800);border-radius:.3rem;padding:.2rem .55rem;color:var(--gray-300);font-family:var(--font-mono);font-size:var(--text-xs);line-height:1.25rem}
.chips{display:flex;flex-wrap:wrap;gap:.4rem}
.arrow{flex:none;width:1.5rem;height:1.5rem;margin-top:.2rem;color:var(--slate-500);transition:transform .7s var(--ease-spring-3),color .2s}
a.row-link:hover .arrow{transform:translateX(.25rem);color:var(--primary-light)}
.row .thumbs{flex:none;width:5.5rem;aspect-ratio:8/5;border-radius:.35rem;overflow:hidden;background:var(--slate-800);margin-top:.2rem}
.row .thumbs img{width:100%;height:100%;object-fit:cover;object-position:top}
.row .doc{display:grid;place-items:center;color:var(--slate-400)}
@media (max-width:420px){.row .thumbs{width:4.4rem}}

/* ---------- series ---------- */
.series{display:grid;gap:1rem;margin-top:2rem}
@media (min-width:640px){.series{grid-template-columns:1fr 1fr 1fr}}
.sticky{position:relative;background:var(--gray-900);border-radius:.6rem;padding:1.25rem 1.25rem 1.1rem;transition:rotate .6s var(--ease-spring-3)}
.sticky:nth-child(1){rotate:-1.2deg}.sticky:nth-child(2){rotate:.8deg}.sticky:nth-child(3){rotate:-.5deg}
.sticky:hover{rotate:0deg}
.sticky::before{content:"";position:absolute;top:-.55rem;left:50%;width:3.2rem;height:1.1rem;translate:-50% 0;rotate:-3deg;background:color-mix(in srgb,var(--c) 55%,transparent);border-radius:2px;opacity:.9}
.sticky h3{font-family:var(--font-heading);font-size:var(--text-3xl);line-height:1;margin-bottom:.2rem}
.sticky h3 em{font-style:normal;color:var(--c)}
.sticky p{font-size:var(--text-sm);color:var(--gray-400);margin-bottom:.9rem}
.pills{display:flex;flex-wrap:wrap;gap:.5rem;list-style:none}
.pills a{display:inline-flex;align-items:center;gap:.35rem;min-height:2.5rem;padding:.35rem .8rem;border-radius:.6rem;background:var(--slate-800);font-family:var(--font-mono);font-size:.84rem;color:var(--slate-200);transition:scale .5s var(--ease-spring-3),background .2s,color .2s}
.pills a:hover{background:color-mix(in srgb,var(--c) 35%,var(--slate-800));color:#fff;scale:1.05}
.pills a:active{scale:.96}
.pills a .dot{width:.45rem;height:.45rem;border-radius:9px;background:var(--c)}
.pills a[data-here]{outline:1.5px dashed color-mix(in srgb,var(--c) 70%,transparent);outline-offset:2px}
.all-link{display:flex;justify-content:center;margin-top:1.75rem}
.textlink{color:var(--primary-light);font-weight:700;display:inline-flex;align-items:center;gap:.35rem;min-height:44px;transition:filter .15s}
.textlink:hover{filter:brightness(1.25)}
.textlink svg{width:1em;height:1em;transition:transform .6s var(--ease-spring-3)}
.textlink:hover svg{transform:translateX(3px)}

.more{max-width:65ch;margin:4rem auto 0;padding:0 .5rem}
@media (min-width:640px){.more{padding:0 2rem}}
footer{text-align:center;padding:3rem 1rem 2rem;font-size:var(--text-sm);color:var(--slate-400)}
footer .fl{display:flex;justify-content:center;gap:1.25rem;margin-bottom:.6rem;flex-wrap:wrap}
footer .fl a{color:var(--slate-300);min-height:40px;display:inline-flex;align-items:center}
footer .fl a:hover{color:#fff}

/* ---------- about ---------- */
.about{max-width:88ch;margin:0 auto;padding:0 1rem;width:100%}
@media (min-width:640px){.about{display:grid;grid-template-columns:1fr 2fr;gap:4rem}}
.about .side{display:none;margin-top:3rem}
@media (min-width:640px){.about .side{display:block}}
.about .side .wb-slot{margin-right:0}
.article{margin-top:1.5rem;max-width:62ch}
@media (min-width:768px){.article{margin-top:3rem}}
@media (min-width:1024px){.article{margin-top:4rem}}
.article h1{font-size:var(--text-4xl);line-height:1.05;margin-bottom:1rem}
@media (min-width:640px){.article h1{margin-bottom:2rem}}
.article p,.article li{color:var(--slate-200);line-height:1.7;margin-bottom:1.15rem}
.article p strong{color:#fff}
.article a{color:var(--primary-light);transition:filter .15s}
.article a:hover{filter:brightness(1.25)}
.article ul{padding-left:1.2rem;margin-bottom:1.2rem}
.article li{margin-bottom:.45rem}
.article li::marker{color:var(--primary-light)}
.article h2{font-family:var(--font-heading);font-size:var(--text-2xl);margin:2rem 0 .6rem;line-height:1.1}
.mode{display:grid;grid-template-columns:auto auto auto;gap:.6rem;align-items:center;justify-content:start;font-weight:700;font-size:var(--text-lg);color:var(--gray-400);margin-bottom:1.25rem;cursor:pointer;-webkit-user-select:none;user-select:none;min-height:44px}
.mode .sw{width:2.3em;height:1.3em;border-radius:999px;background:var(--slate-700);position:relative;transition:background .3s}
.mode .sw::before{content:"";position:absolute;top:.15em;left:.15em;width:1em;height:1em;border-radius:999px;background:#fff;transition:translate .6s var(--ease-spring-3),width .25s;box-shadow:0 2px 6px #0006}
.mode:active .sw::before{width:1.25em}
#mode:checked + .mode .sw{background:var(--primary)}
#mode:checked + .mode .sw::before{translate:1em 0}
#mode:checked + .mode:active .sw::before{translate:.75em 0}
#mode:not(:checked) + .mode .l1,#mode:checked + .mode .l2{color:#fff}
.mode-b{display:none}
#mode:checked ~ .mode-a{display:none}
#mode:checked ~ .mode-b{display:block}
.mode-a,.mode-b{animation:modein .45s var(--ease-spring-3)}
@keyframes modein{from{opacity:0;transform:translateY(6px)}}
.contact-list{list-style:none;padding:0!important;display:grid;gap:.5rem;margin-top:.5rem}
.contact-list a{display:inline-flex;gap:.6rem;align-items:center;min-height:44px}
.contact-list svg{width:1.25rem;height:1.25rem;color:var(--slate-300)}

/* ---------- notes ---------- */
.notes{max-width:65ch;margin:3rem auto 0;width:100%}
@media (min-width:640px){.notes{padding:0 2rem}}
.notes header{padding:0 1rem}
.notes h1{font-size:var(--text-4xl);line-height:1.05;margin-bottom:2rem}
.notes .intro{max-width:30em;line-height:1.75;margin-bottom:3rem;color:var(--gray-300)}
.notes .intro a{color:var(--primary-light)}
.notes .list{border-radius:.25rem;margin-top:0}
.notes .row h2{font-size:var(--text-lg);font-weight:400;margin-bottom:.5rem;line-height:1.35}
.post{max-width:65ch;margin:2.5rem auto 0;padding:0 1rem;width:100%}
.post .back{display:inline-flex;align-items:center;gap:.4rem;color:var(--slate-400);font-size:var(--text-sm);min-height:44px;margin-bottom:.5rem;transition:color .2s}
.post .back:hover{color:#fff}
.post .back svg{width:1em;height:1em;transition:transform .6s var(--ease-spring-3)}
.post .back:hover svg{transform:translateX(-3px)}
.post h1{font-size:var(--text-4xl);line-height:1.05;margin-bottom:1rem}
.post .chip{margin-bottom:2rem}
.post p,.post li{color:var(--slate-200);line-height:1.75;margin-bottom:1.2rem}
.post h2{font-family:var(--font-heading);font-size:var(--text-2xl);margin:2.2rem 0 .6rem;line-height:1.1}
.post ul{padding-left:1.2rem;margin-bottom:1.2rem}
.post li::marker{color:var(--primary-light)}
.post code{font-family:var(--font-mono);font-size:.86em;background:var(--slate-800);padding:.1em .4em;border-radius:.3em;color:var(--slate-50)}
.post pre{background:var(--gray-900);border-radius:.5rem;padding:1rem 1.1rem;overflow-x:auto;margin-bottom:1.4rem;font-size:.85rem;line-height:1.6}
.post pre code{background:none;padding:0}
.post a{color:var(--primary-light)}
.post-nav{display:flex;justify-content:space-between;gap:1rem;margin-top:3rem;padding-top:1.5rem;border-top:1px solid var(--gray-800);flex-wrap:wrap}
.progress{position:fixed;left:0;top:0;height:3px;width:100%;transform-origin:0 50%;transform:scaleX(0);background:linear-gradient(90deg,#9b5dff,var(--primary));z-index:50}

@media (prefers-reduced-motion:reduce){*,*::before,*::after{animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important;scroll-behavior:auto!important}}

.hero{isolation:isolate}
[data-drawing] .hero{z-index:31}
body[data-drawing] .nav-wrap{opacity:0;pointer-events:none;transition:opacity .2s}
.cmp .body,.cmp .glow{align-self:start}

.wrap.wide{max-width:84ch}

.wb canvas{transition:translate .9s var(--ease-spring-5),rotate .9s var(--ease-spring-5)}
.sweeper{position:absolute;width:13%;aspect-ratio:1;border-radius:20%;background:var(--marker-blue);box-shadow:inset 0 -6px 0 #0006,inset 0 2px 0 #fff3,0 8px 18px #0005;translate:-50% -50%;rotate:-12deg;pointer-events:none;z-index:3;transition:opacity .25s,scale .25s}
.sweeper.gone{opacity:0;scale:.6}

.hero-bg{background-color:var(--gray-900);background-image:radial-gradient(circle at 1px 1px,#ffffff0d 1px,transparent 1.4px);background-size:22px 22px}
#mode:not(:checked) + .mode .l1,#mode:checked + .mode .l2{color:var(--primary-light)}
.article .btn{margin-top:2.5rem;color:#fff}
.article .btn:hover{filter:none}
footer p{color:#fff}
.slot{background:linear-gradient(180deg,#94a3b8,#64748b)}
.slot::before{background:#0f172a99}

@media (max-width:639.98px){.hero h1{font-size:min(var(--text-8xl),22vw);white-space:nowrap}}
@media (max-width:380px){.hero-bg{bottom:45%}}
::view-transition-old(root),::view-transition-new(root){animation:none}
.markers label{position:relative}
.markers label::before{content:"";position:absolute;inset:-14px -4px -10px}
.eraser label{position:relative}
.eraser label::before{content:"";position:absolute;inset:-9px}
.socials a{min-width:40px;min-height:44px}
.cmp-caption a{display:inline-block;padding:.7rem .4rem}
.cmp-caption{margin-top:-.6rem}
.site-tag{font-size:12px}
.row .thumbs{box-shadow:0 0 0 1px var(--slate-700)}
.squiggle path{stroke-width:9}

.hero h1 .lo{display:inline}
@container (min-width:24rem){.hero h1 .lo{display:none}}

/* S2-HEADER-BG */
.nav-wrap{background:color-mix(in oklab,var(--gray-950) 82%,transparent);backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px)}