/* Brian's Garage.
   One theme: the room is a garage at night, so the page is dark, always.
   One accent: Interlagos Blue, pulled off the car itself, used for every
   highlight in the room and every highlight in the DOM.
   One radius: zero. Shut lines and floor stencils are straight edges. */

@font-face{font-family:"Archivo";src:url("../fonts/archivo-var.woff2") format("woff2");font-weight:100 900;font-display:swap}
@font-face{font-family:"Archivo Black";src:url("../fonts/archivo-black.woff2") format("woff2");font-weight:400;font-display:swap}
@font-face{font-family:"JetBrains Mono";src:url("../fonts/jetbrains-mono-var.woff2") format("woff2");font-weight:100 800;font-display:swap}

:root{
  color-scheme:dark;
  --void:#080a0e;
  --floor:#11141a;
  --panel:#161a21;
  --panel-2:#1d222b;
  --line:#2b323d;
  --line-soft:#20262f;
  --ink:#e9edf3;
  --ink-2:#a7b0bd;
  --ink-3:#6f7885;
  --blue:#3b6fd4;
  --blue-lit:#7aa7ff;
  --blue-deep:#16305f;
  --warn:#e8a13c;

  --sans:"Archivo",system-ui,-apple-system,"Segoe UI",sans-serif;
  --display:"Archivo Black","Archivo",system-ui,sans-serif;
  --mono:"JetBrains Mono",ui-monospace,"SF Mono",Menlo,monospace;

  --gut:clamp(20px,4vw,56px);
  --ease:cubic-bezier(.16,1,.3,1);

  --z-doc:1; --z-stage:2; --z-hud:5; --z-panel:6; --z-boot:9;
}

*,*::before,*::after{box-sizing:border-box}
html,body{margin:0;padding:0}
html{background:var(--void);-webkit-text-size-adjust:100%}
body{
  background:var(--void);color:var(--ink);
  font-family:var(--sans);font-size:16px;line-height:1.6;
  -webkit-font-smoothing:antialiased;
  min-height:100dvh;
}
img{max-width:100%;height:auto;display:block}
a{color:var(--blue-lit);text-decoration-thickness:1px;text-underline-offset:3px}
a:hover{color:#a5c4ff}
h1,h2,h3,h4{margin:0;font-weight:400;letter-spacing:-.02em}
p{margin:0 0 1em}
:focus-visible{outline:2px solid var(--blue-lit);outline-offset:3px}
::selection{background:var(--blue);color:#fff}

.skip{position:absolute;left:-9999px;top:0;z-index:99;background:var(--blue);color:#fff;padding:12px 18px}
.skip:focus{left:12px;top:12px}

/* ---------------------------------------------------------------- boot */
/* The loader is the garage door. Progress raises the roller, because the
   door opener is one of the projects this site is about. */
.boot{
  position:fixed;inset:0;z-index:var(--z-boot);
  background:var(--void);
  display:grid;align-items:end;justify-items:start;
  overflow:hidden;
}
.boot[hidden]{display:none}
.boot-door{
  position:absolute;left:0;right:0;top:0;
  height:100%;
  background:
    repeating-linear-gradient(to bottom,
      #171b22 0px,#171b22 34px,
      #0f1319 34px,#0f1319 38px,
      #1b2029 38px,#1b2029 42px);
  border-bottom:3px solid #262d38;
  box-shadow:0 24px 60px rgba(0,0,0,.8);
  transform:translate3d(0,calc(var(--door,0) * -101%),0);
  will-change:transform;
}
.boot-door::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:200px;
  background:linear-gradient(to bottom,transparent,rgba(0,0,0,.62));
}
/* the rail the door runs in, so it reads as a door and not a shutter gif */
.boot-rail{position:absolute;top:0;bottom:0;width:14px;background:linear-gradient(to right,#0d1116,#1c222b,#0d1116)}
.boot-rail.l{left:0}
.boot-rail.r{right:0}
.boot-inner{
  position:relative;text-align:left;
  padding:var(--gut) var(--gut) clamp(40px,9vh,88px);
  width:min(760px,94vw);
}
.boot-name{
  font-family:var(--display);
  font-size:clamp(32px,7.4vw,72px);line-height:.94;letter-spacing:-.035em;
  text-transform:uppercase;margin:0;
}
.boot-name small{display:block;font-size:.44em;color:var(--blue-lit);letter-spacing:.04em;margin-top:.5em}
.boot-meter{
  margin-top:clamp(28px,6vh,54px);
  display:flex;align-items:baseline;gap:16px;
  font-family:var(--mono);font-size:13px;color:var(--ink-2);
  letter-spacing:.06em;text-transform:uppercase;
}
.boot-meter b{color:var(--ink);font-weight:500;font-variant-numeric:tabular-nums}
.boot-bar{flex:1;height:2px;background:var(--line);position:relative;overflow:hidden}
.boot-bar i{position:absolute;inset:0 auto 0 0;width:calc(var(--load,0) * 100%);background:var(--blue-lit);transition:width .3s linear}
.boot-start{
  margin-top:26px;
  font-family:var(--display);text-transform:uppercase;letter-spacing:.06em;
  font-size:15px;color:#fff;background:var(--blue);
  border:0;padding:16px 34px;cursor:pointer;
  transition:transform .18s var(--ease),background .18s var(--ease);
}
.boot-start:hover{background:#4b80e8}
.boot-start:active{transform:translateY(1px)}
.boot-start[hidden]{display:none}
.boot-note{margin-top:14px;font-family:var(--mono);font-size:11.5px;color:var(--ink-3);letter-spacing:.04em}

/* --------------------------------------------------------------- stage */
#stage{
  position:fixed;inset:0;z-index:var(--z-stage);
  display:block;width:100%;height:100%;
  touch-action:none;
}
body:not(.gl-on) #stage{display:none}

/* When the 3D room is live the document layer stays in the DOM for
   screen readers and for search, but stops painting behind the canvas. */
body.gl-on .doc{
  position:fixed;top:0;left:0;width:1px;height:1px;overflow:hidden;
  clip-path:inset(50%);opacity:0;pointer-events:none;
}
body.gl-on .doc a:focus-visible,
body.gl-on .doc button:focus-visible{position:relative}

/* "Read as page" drops the room and hands over the written version. */
body.reading .doc{position:static;width:auto;height:auto;overflow:visible;clip-path:none;opacity:1;pointer-events:auto}
body.reading #stage{display:none}
body.reading .hud{inset:auto;position:fixed;top:0;right:0;left:auto;bottom:auto;padding:0}
body.reading .rail,body.reading .hint,body.reading .hud-mark{display:none}
body.reading .hud-tools{position:fixed;top:calc(var(--gut) * .55);right:calc(var(--gut) * .55)}
body.reading .panel{display:none}

/* ----------------------------------------------------------------- hud */
.hud{position:fixed;inset:0;z-index:var(--z-hud);pointer-events:none}
body:not(.gl-on) .hud{display:none}
.hud > *{pointer-events:auto}

.hud-mark{
  position:absolute;top:calc(var(--gut) * .55);left:calc(var(--gut) * .55);
  background:rgba(8,10,14,.62);padding:9px 13px;border:1px solid var(--line);
  backdrop-filter:blur(6px);
  font-family:var(--display);text-transform:uppercase;letter-spacing:.02em;
  font-size:13px;line-height:1.25;color:var(--ink);
  text-decoration:none;
}
.hud-mark span{display:block;font-family:var(--mono);font-size:10.5px;letter-spacing:.14em;color:var(--ink-3);font-weight:400}
.hud-mark:hover{color:#fff}

.hud-tools{
  position:absolute;top:calc(var(--gut) * .55);right:calc(var(--gut) * .55);
  display:flex;gap:8px;
}
.tool{
  font-family:var(--mono);font-size:11px;letter-spacing:.1em;text-transform:uppercase;
  color:var(--ink-2);background:rgba(14,17,22,.72);
  border:1px solid var(--line);padding:9px 12px;cursor:pointer;
  backdrop-filter:blur(6px);
  transition:color .15s var(--ease),border-color .15s var(--ease);
}
.tool:hover{color:var(--ink);border-color:var(--blue)}
.tool[aria-pressed="true"]{color:var(--blue-lit);border-color:var(--blue)}

/* Station rail: the keyboard route through the room. Always operable,
   visible on focus so a keyboard user is never lost in a 3D scene. */
.rail{
  position:absolute;left:calc(var(--gut) * .55);bottom:calc(var(--gut) * .55);
  display:flex;flex-direction:column;gap:2px;
}
.rail{background:linear-gradient(to right,rgba(8,10,14,.72),rgba(8,10,14,0));padding:10px 40px 10px 12px;margin-left:-12px}
.rail button{
  display:flex;align-items:center;gap:10px;
  font-family:var(--mono);font-size:11px;letter-spacing:.1em;text-transform:uppercase;
  color:var(--ink-3);background:transparent;border:0;padding:6px 8px 6px 0;
  cursor:pointer;text-align:left;
  transition:color .15s var(--ease);
}
.rail button::before{
  content:"";width:14px;height:1px;background:currentColor;flex:none;
  transition:width .2s var(--ease);
}
.rail button:hover,.rail button:focus-visible{color:var(--ink)}
.rail button:hover::before,.rail button:focus-visible::before{width:26px}
.rail button[aria-current="true"]{color:var(--blue-lit)}
.rail button[aria-current="true"]::before{width:26px;background:var(--blue-lit)}

.hint{
  position:absolute;right:calc(var(--gut) * .55);bottom:calc(var(--gut) * .55);
  background:rgba(8,10,14,.6);padding:9px 13px;border:1px solid var(--line);
  font-family:var(--mono);font-size:11px;letter-spacing:.1em;text-transform:uppercase;
  color:var(--ink-3);text-align:right;
  transition:opacity .5s var(--ease);
}
.hint b{color:var(--ink-2);font-weight:400}
body.deep .hint{opacity:0}

/* --------------------------------------------------------------- panel */
/* Real selectable HTML for whatever the camera is looking at. The 3D
   screens carry the look; this carries the words. */
.panel{
  position:fixed;z-index:var(--z-panel);
  right:0;top:0;height:100dvh;width:min(520px,100vw);
  background:rgba(11,14,19,.93);
  border-left:1px solid var(--line);
  backdrop-filter:blur(14px);
  overflow-y:auto;overscroll-behavior:contain;
  padding:calc(var(--gut) * .75);
  transform:translate3d(100%,0,0);
  transition:transform .55s var(--ease);
  -webkit-overflow-scrolling:touch;
}
@supports not (backdrop-filter:blur(4px)){.panel{background:#0b0e13}}
.panel.open{transform:none}
.panel:not(.open){pointer-events:none;visibility:hidden}
.panel-close{
  /* Not a float: the spec rows are flex boxes, and flex boxes do not wrap
     around floats, so right-aligned values slid underneath it. On its own
     row nothing can collide, and the backdrop keeps it legible when the
     panel scrolls beneath the sticky position. */
  position:sticky;top:0;display:block;margin:-6px -6px 10px auto;
  font-family:var(--mono);font-size:11px;letter-spacing:.1em;text-transform:uppercase;
  color:var(--ink-2);background:rgba(11,14,19,.88);border:1px solid var(--line);
  padding:8px 11px;cursor:pointer;z-index:2;
}
.panel-close:hover{color:var(--ink);border-color:var(--blue)}
.panel h2{
  font-family:var(--display);text-transform:uppercase;
  font-size:clamp(24px,4.2vw,34px);line-height:1.02;letter-spacing:-.02em;
  margin:0 0 6px;padding-top:6px;
}
.panel .kicker{color:var(--blue-lit);font-size:15px;margin:0 0 20px}
.panel .meta{
  font-family:var(--mono);font-size:12.5px;letter-spacing:.01em;
  color:var(--ink-3);margin:0 0 18px;
}
.panel p{color:var(--ink-2);font-size:15px}
.panel ul{margin:0 0 20px;padding:0;list-style:none;display:grid;gap:12px}
.panel ul li{
  color:var(--ink-2);font-size:14.5px;padding-left:18px;position:relative;
}
.panel ul li::before{content:"";position:absolute;left:0;top:.62em;width:8px;height:1px;background:var(--blue)}
.panel img{border:1px solid var(--line);margin:0 0 20px}
.tags{display:flex;flex-wrap:wrap;gap:6px;margin:0 0 22px;padding:0;list-style:none}
.tags li{
  font-family:var(--mono);font-size:10.5px;letter-spacing:.08em;text-transform:uppercase;
  color:var(--ink-2);border:1px solid var(--line);padding:5px 9px;
}
.tags li::before{display:none}
.btn{
  display:inline-block;font-family:var(--display);text-transform:uppercase;
  letter-spacing:.05em;font-size:13px;color:#fff;background:var(--blue);
  padding:14px 24px;text-decoration:none;white-space:nowrap;
  transition:background .18s var(--ease),transform .18s var(--ease);
}
.btn:hover{background:#4b80e8;color:#fff}
.btn:active{transform:translateY(1px)}
.btn-ghost{background:transparent;color:var(--ink);border:1px solid var(--line)}
.btn-ghost:hover{background:transparent;border-color:var(--blue);color:#fff}
.btn-row{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:26px}

.spec{margin:0 0 26px;display:grid;gap:0}
.spec div{
  display:flex;justify-content:space-between;align-items:baseline;gap:16px;
  padding:13px 0;border-bottom:1px solid var(--line-soft);
}
.spec div:last-child{border-bottom:0}
.spec dt{
  font-family:var(--mono);font-size:11px;letter-spacing:.1em;text-transform:uppercase;
  color:var(--ink-3);margin:0;flex:none;
}
.spec dd{margin:0;text-align:right;color:var(--ink)}
.spec dd b{font-family:var(--mono);font-weight:500;font-variant-numeric:tabular-nums}
.spec dd small{display:block;color:var(--ink-3);font-size:12.5px;font-family:var(--sans)}

.panel-list{display:grid;gap:0;margin:0 0 24px;padding:0;list-style:none}
.panel-list li{padding:0;position:static}
.panel-list li::before{display:none}
.panel-list button{
  width:100%;text-align:left;background:transparent;border:0;
  border-bottom:1px solid var(--line-soft);
  padding:16px 0;cursor:pointer;color:var(--ink);
  display:grid;gap:3px;
  transition:padding-left .2s var(--ease);
}
.panel-list button:hover{padding-left:8px}
.panel-list button b{font-family:var(--sans);font-weight:600;font-size:16px}
.panel-list button span{
  font-family:var(--mono);font-size:12px;letter-spacing:.01em;color:var(--ink-3);
}

/* ------------------------------------------------------- document layer */
/* This is the whole site as plain HTML. It is what you get with no JS,
   no WebGL, or a screen reader, and it is not a stripped-down version. */
.doc{position:relative;z-index:var(--z-doc)}
.wrap{width:min(1120px,100% - var(--gut) * 2);margin-inline:auto}
.doc header.top{
  border-bottom:1px solid var(--line);padding:22px 0;
}
.doc header.top .wrap{display:flex;align-items:center;justify-content:space-between;gap:24px;flex-wrap:wrap}
.brand{font-family:var(--display);text-transform:uppercase;font-size:15px;color:var(--ink);text-decoration:none;letter-spacing:.02em}
.brand span{display:block;font-family:var(--mono);font-size:10px;letter-spacing:.16em;color:var(--ink-3)}
.doc nav ul{display:flex;gap:22px;margin:0;padding:0;list-style:none;flex-wrap:wrap}
.doc nav a{
  font-family:var(--mono);font-size:11.5px;letter-spacing:.1em;text-transform:uppercase;
  color:var(--ink-2);text-decoration:none;
}
.doc nav a:hover,.doc nav a[aria-current="page"]{color:var(--blue-lit)}

.doc-hero{padding:clamp(56px,11vh,110px) 0 clamp(40px,7vh,72px)}
.doc-hero h1{
  font-family:var(--display);text-transform:uppercase;
  font-size:clamp(31px,6.4vw,68px);line-height:.96;letter-spacing:-.035em;
  margin:0 0 22px;
}
.doc-hero h1 em{font-style:normal;color:var(--blue-lit);display:block}
/* the publication headline carries a real paper title, so it gets a
   smaller display size rather than a shorter, less accurate one */
.doc-hero--doc h1{font-size:clamp(28px,5.1vw,54px)}
.doc-hero .lede{font-size:clamp(17px,2.1vw,20px);color:var(--ink-2);max-width:56ch;margin:0 0 30px}

.doc section{padding:clamp(44px,7vh,80px) 0;border-top:1px solid var(--line)}
.doc section > .wrap > h2{
  font-family:var(--display);text-transform:uppercase;
  font-size:clamp(24px,4vw,40px);line-height:1;letter-spacing:-.025em;margin:0 0 10px;
}
.doc section > .wrap > .sub{color:var(--ink-2);max-width:60ch;margin:0 0 34px}

.grid-cards{display:grid;gap:1px;background:var(--line);border:1px solid var(--line)}
@media(min-width:760px){.grid-cards{grid-template-columns:1fr 1fr}}
.card{background:var(--void);padding:clamp(22px,3vw,32px);display:flex;flex-direction:column;gap:10px}
.card h3{order:1}
.card .eyebrow{order:2}
.card p{order:3}
.card ul{order:4}
.card .go{order:5}
.card--wide{grid-column:1/-1}
.card--photo{padding:0}
.card--photo img{width:100%;object-fit:cover;aspect-ratio:16/10}
.card .eyebrow{
  font-family:var(--mono);font-size:12px;letter-spacing:.01em;color:var(--ink-3);margin:-4px 0 0;
}
.card h3{font-size:21px;font-weight:600;letter-spacing:-.01em}
.card p{color:var(--ink-2);font-size:15px;margin:0}
.card ul{margin:4px 0 0;padding:0 0 0 18px;color:var(--ink-2);font-size:14.5px;display:grid;gap:8px}
.card .go{margin-top:auto;padding-top:14px}
.card .go a{font-family:var(--mono);font-size:11.5px;letter-spacing:.08em;text-transform:uppercase;text-decoration:none}
.card .go a::after{content:" \2192"}

.stack{display:grid;gap:0;border-top:1px solid var(--line)}
.stack article{padding:26px 0;border-bottom:1px solid var(--line-soft);display:grid;gap:8px}
@media(min-width:760px){
  .stack article{grid-template-columns:200px 1fr;gap:32px;align-items:start}
}
.stack .when{font-family:var(--mono);font-size:12.5px;letter-spacing:.01em;color:var(--ink-3)}
.stack h3{font-size:19px;font-weight:600;margin:0 0 4px}
.stack h3 a{color:var(--ink);text-decoration:none}
.stack h3 a:hover{color:var(--blue-lit)}
.stack p{color:var(--ink-2);font-size:15px;margin:0}

.split{display:grid;gap:clamp(24px,4vw,54px);align-items:center}
@media(min-width:860px){.split{grid-template-columns:1fr 1fr}}
.split img{border:1px solid var(--line)}

.doc footer{border-top:1px solid var(--line);padding:clamp(40px,6vh,66px) 0}
.doc footer .wrap{display:grid;gap:34px}
@media(min-width:760px){.doc footer .wrap{grid-template-columns:1.4fr 1fr 1fr}}
.doc footer h3{
  font-family:var(--mono);font-size:10.5px;letter-spacing:.14em;text-transform:uppercase;
  color:var(--ink-3);margin:0 0 14px;font-weight:400;
}
.doc footer ul{margin:0;padding:0;list-style:none;display:grid;gap:9px}
.doc footer a{font-size:14.5px;text-decoration:none;color:var(--ink-2)}
.doc footer a:hover{color:var(--blue-lit)}
.mailto{font-family:var(--display);font-size:clamp(18px,2.6vw,26px);text-transform:lowercase;letter-spacing:-.01em;text-decoration:none;color:var(--ink);word-break:break-word}
.mailto:hover{color:var(--blue-lit)}
.colophon{
  border-top:1px solid var(--line-soft);margin-top:34px;padding-top:22px;
  font-size:12.5px;color:var(--ink-3);line-height:1.7;max-width:76ch;
}
.colophon a{color:var(--ink-2)}

/* ------------------------------------------------------------- reduced */
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{
    animation-duration:.001ms !important;animation-iteration-count:1 !important;
    transition-duration:.001ms !important;scroll-behavior:auto !important;
  }
}

/* -------------------------------------------------------------- mobile */
@media (max-width:760px){
  .panel{width:100vw;height:82dvh;top:auto;bottom:0;border-left:0;border-top:1px solid var(--line);
         transform:translate3d(0,100%,0)}
  .panel.open{transform:none}
  .rail{
    left:0;right:0;bottom:0;flex-direction:row;gap:0;
    background:rgba(9,11,15,.94);border-top:1px solid var(--line);
    overflow-x:auto;scrollbar-width:none;
  }
  .rail::-webkit-scrollbar{display:none}
  .rail button{padding:15px 14px;white-space:nowrap;font-size:10.5px}
  .rail button::before{display:none}
  /* the hanging sign in the room already says this, so the overlay does
     not need to repeat it on a 390px screen */
  .hint{display:none}
  .hud-tools{top:auto;bottom:62px;right:10px;left:10px;justify-content:flex-end}
}