/* Contour. Black ground, bone for everything drawn and measured, red only for what is live:
   the A–A cut, the capture sweep, the resolve line, the needles. */
:root{
  --g:#0a0a0a; --b:#eeeeea; --b2:#8d8d88; --b3:#4a4a47; --k:#151515; --kt:#b9b9b4; --r:#d61f26; --line:#2a2a28;
  --sans:"B612",system-ui,sans-serif; --mono:"B612 Mono",ui-monospace,monospace; --wm:"Familjen Grotesk",system-ui,sans-serif;
  --gut:20px; color-scheme:dark;
}
*{box-sizing:border-box}
html{background:var(--g);-webkit-text-size-adjust:100%}
[hidden]{display:none!important}
main{overflow-x:clip}
body{margin:0;background:var(--g);color:var(--b);font:15px/1.5 var(--sans);
  padding-left:env(safe-area-inset-left,0);padding-right:env(safe-area-inset-right,0)}
img,svg,video{display:block;max-width:100%}
a{color:inherit}
.mono{font-family:var(--mono)}
.skip{position:absolute;left:-999px}.skip:focus{left:8px;top:8px;background:var(--k);padding:10px;z-index:9}
:focus-visible{outline:2px solid var(--b);outline-offset:2px}

/* ---- nav ---- */
.nav{display:flex;align-items:center;gap:10px;padding:calc(env(safe-area-inset-top,0) + 4px) var(--gut) 0;min-height:52px;position:relative;z-index:3}
.nav .home{display:inline-flex;align-items:baseline;gap:.18em;text-decoration:none;min-height:44px;padding-top:.2em}
/* the autotelik lockup: wordmark in Familjen Grotesk 500, -0.035em, lowercase; the mark at cap height to its left, gap 0.18em */
.brand{display:inline-flex;align-items:baseline;gap:.18em;font-family:var(--wm);font-weight:500;letter-spacing:-.035em;text-transform:none}
.brand .mk{width:.8em;height:.8em;flex:none;align-self:baseline;position:relative;top:.05em}   /* ring ≈ cap height, sitting on the baseline */
.brand .wm{font:inherit;letter-spacing:inherit}
.nav .home{font-size:22px}
h1.brand{font-size:52px;line-height:1;margin:22px var(--gut) 14px}
.nav .menu{display:none}
.nav .idx{margin-left:auto;display:flex;align-items:center;min-height:44px;padding:0 0 0 12px;text-decoration:none}
.nav .idx span{font:400 11px/1 var(--mono);letter-spacing:.08em;border:1px solid var(--b2);padding:8px 10px}

/* ---- type ---- */
h1{font-weight:700;font-size:37px;line-height:1.02;letter-spacing:-.01em;margin:22px var(--gut) 10px}
h2{font-weight:700;font-size:28px;line-height:1.05;margin:18px var(--gut) 0}
h3{font:700 12px/1.2 var(--mono);letter-spacing:.08em;margin:34px var(--gut) 0;text-transform:uppercase}
p{margin:0 var(--gut);font-size:15px;line-height:1.5;max-width:60ch}
.sheet{display:flex;justify-content:space-between;gap:12px;margin:14px var(--gut) 0;font:400 11px/1.3 var(--mono);letter-spacing:.06em;color:var(--b2);border-top:1px solid var(--b2);padding-top:7px}
.cap{font:400 11px/1.45 var(--mono);color:var(--b2);letter-spacing:.03em}

/* ---- dashed slot: a fact that must come from the founders ---- */
.slot{border:1.5px dashed var(--b2);padding:10px 12px;margin:16px var(--gut) 0;font-size:14px;line-height:1.4;color:var(--b2)}
.slot small{display:block;font:400 10.5px/1.2 var(--mono);letter-spacing:.08em;text-transform:uppercase;margin-bottom:5px}

/* ---- index (title block as navigation) ---- */
.idxl{list-style:none;margin:18px var(--gut) 0;padding:0;border-top:1px solid var(--b2)}
.idxl li{border:1px solid var(--b2);border-top:0}
.idxl a,.idxl .row{display:grid;grid-template-columns:86px 1fr auto;align-items:center;min-height:48px;text-decoration:none}
.idxl b{font:700 11.5px/1.3 var(--mono);letter-spacing:.06em;padding:10px 8px;align-self:stretch;display:flex;align-items:center;border-right:1px solid var(--b2)}
.idxl span{padding:9px 10px;font-size:13.5px;line-height:1.3}
.idxl i{font-style:normal;font:400 13px/1 var(--mono);padding-right:10px;color:var(--b2)}
.idxl li.d{border-style:dashed;border-top:1.5px dashed var(--b2);margin-top:-1px}
.idxl li.d span{color:var(--b2)}
.idxl a:hover span{text-decoration:underline;text-underline-offset:3px}
.idxl .cell{padding:9px 10px 0;font-size:13.5px;line-height:1.3}
.idxl .two{display:flex;flex-wrap:wrap;column-gap:16px}
.idxl .two a{display:inline-flex;min-height:44px;align-items:center;font:400 12px/1 var(--mono);letter-spacing:.04em;text-decoration:underline;text-underline-offset:3px}

/* ---- the drawing board (home + mach1) ---- */
.board{position:relative;padding-top:6px;background:var(--g)}
.strip{position:relative;height:262px;overflow-x:auto;overflow-y:hidden;-webkit-overflow-scrolling:touch;scrollbar-width:none}
.strip::-webkit-scrollbar{display:none}
.js .strip.live{overflow:hidden;touch-action:pan-y;cursor:grab}
.js .strip.live.drag{cursor:grabbing}
.car{position:relative;width:750px;height:100%;margin-left:14px}
.car img{position:absolute;left:0;top:44px;width:100%;height:auto}
.dimh{position:absolute;left:0;right:0;top:20px;height:12px;border-left:1px solid var(--b);border-right:1px solid var(--b)}
.dimh:before{content:"";position:absolute;left:0;right:0;top:6px;border-top:1px solid var(--b)}
.dimh span{position:absolute;left:24%;top:0;background:var(--g);padding:0 6px;font:400 11px/1 var(--mono);white-space:nowrap}
.cut{position:absolute;top:40px;height:190px;width:0;border-left:1.5px dashed var(--r);pointer-events:none;z-index:2}
.cut i{position:absolute;left:-11px;width:21px;height:21px;border-radius:50%;border:1.5px solid var(--r);background:var(--g);font:700 10.5px/18px var(--sans);text-align:center;font-style:normal}
.cut i.t{top:-13px}.cut i.b{bottom:-13px}
.cut .arr{position:absolute;top:-6px;left:10px;width:12px;border-top:1.5px solid var(--b)}
.cut .arr.b{top:auto;bottom:-6px}
.dcap{margin:6px var(--gut) 0;display:flex;justify-content:space-between;gap:10px;flex-wrap:wrap}
.secp{margin:12px var(--gut) 0;border:1px solid var(--b2);display:grid;grid-template-columns:1fr;position:relative}
.secp .hd{display:flex;justify-content:space-between;align-items:baseline;gap:8px;padding:7px 9px;border-bottom:1px solid var(--b2);font:400 11px/1.2 var(--mono);letter-spacing:.05em}
.secp .hd b{font:700 13px/1 var(--mono);letter-spacing:.06em}
.secp .hd output{font:700 13px/1 var(--mono)}
.secp .dr{height:150px;padding:8px 10px;position:relative}
.secp .dr svg,.secp .dr img{width:100%;height:100%;object-fit:contain}
.secp .ft{padding:6px 9px;border-top:1px solid var(--b2)}
.scrub{position:relative}
.scrub.on .board{position:sticky;top:0;z-index:1}
.over{position:relative;z-index:2;background:var(--g);padding:2px 0 1px}
.js .over{border-top:1px solid var(--b2);box-shadow:0 -1px 0 var(--g)}
/* 3D volume mode (WebGL): the board fills the screen, the canvas takes what the section panel leaves */
.board.v{height:100vh;height:100svh;display:flex;flex-direction:column}
.board.v .strip{display:none}
.board.v .bd2{flex:none;padding-bottom:10px}
.vol{position:relative;flex:1;min-height:220px;cursor:grab}
.vol:active{cursor:grabbing}
.vol canvas{position:absolute;inset:0;width:100%;height:100%;display:block}

/* ---- home: the drawing is a fixed full-bleed layer of points behind the page; the page scrolls over it ---- */
.hero2{position:relative;z-index:1}
.draw{position:relative;padding:44px 16px 24px}
.car2{position:relative}
.car2 .dimh{top:-30px}
.svgcar{width:100%;height:auto}
canvas#bg{position:fixed;left:0;top:0;width:100%;height:100vh;height:100lvh;z-index:0;display:block;visibility:hidden}
.home.v .hero2{height:100vh;height:100lvh}
.home.v .draw{position:absolute;left:0;right:0;top:50%;transform:translateY(-50%);padding-top:0;padding-bottom:0}
.home.ready canvas#bg{visibility:visible}
.home.ready .svgcar{visibility:hidden}
.home.covered canvas#bg{visibility:hidden}
.spacer{height:0}
.home .over,.home .colo{position:relative;z-index:1;background:var(--g)}
.home .colo{margin-top:0;padding-left:var(--gut);padding-right:var(--gut);margin-left:0;margin-right:0}
.home .over{padding-top:24px}
.glink{display:block;margin:0 var(--gut);text-decoration:none}
.glink .rev{position:relative;overflow:hidden;background:var(--g);aspect-ratio:4/5;max-height:72vh;margin:0;width:100%}
.glink .rev img.photo{display:block;width:100%;height:100%;object-fit:cover}
.glink .rev canvas.ipts{position:absolute;inset:0;width:100%;height:100%;pointer-events:none}
.glab{display:flex;align-items:center;justify-content:space-between;min-height:48px;border-bottom:1px solid var(--b2);font:700 12.5px/1.2 var(--mono);letter-spacing:.08em}
.glab i{font-style:normal;font-size:20px}
.glink:hover .glab span{text-decoration:underline;text-underline-offset:4px}

/* ---- photographed things: black frames with leader-line notes ---- */
.frm{position:relative;margin:16px var(--gut) 0;background:var(--k);padding:8px;border:1px solid var(--line)}
.frm .ph{position:relative}
.frm img{width:100%;height:auto}
.tb{display:grid;grid-template-columns:1fr auto;gap:8px;font:400 11px/1.3 var(--mono);color:var(--kt);padding:7px 2px 0;letter-spacing:.03em}
.call{position:absolute;font:400 11px/1.25 var(--mono);color:var(--b);background:var(--k);padding:3px 6px;letter-spacing:.03em;white-space:nowrap}
.lead{position:absolute;inset:0;width:100%;height:100%;pointer-events:none}

/* ---- Day 1: the frame, the clock, the tape ---- */
.dayf{margin-top:14px}
.dv.rev{position:relative;overflow:hidden;background:var(--g);aspect-ratio:3/4;max-height:58vh;max-height:58svh;width:100%;cursor:pointer}
.rev img.photo{display:block;width:100%;height:100%;object-fit:cover}
.rev canvas.ipts{position:absolute;inset:0;width:100%;height:100%;pointer-events:none}
.dv .play{position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);min-width:96px;min-height:48px;background:var(--g);color:var(--b);border:1.5px solid var(--b);font:700 12px/1 var(--mono);letter-spacing:.1em;cursor:pointer;z-index:2}
.dv video.clipv{position:absolute;inset:0;width:100%;height:100%;object-fit:contain;background:#000;z-index:3}
.tape-wrap{margin:10px var(--gut) 0}
.clock{display:flex;align-items:baseline;justify-content:space-between;gap:10px}
.clock output{font:400 34px/1 var(--mono);letter-spacing:.02em;font-variant-numeric:tabular-nums}
.clock span{font:400 11px/1.2 var(--mono);color:var(--b2);letter-spacing:.06em;text-align:right}
.tape{position:relative;height:76px;margin-top:8px;overflow:hidden;border-top:1px solid var(--line);border-bottom:1px solid var(--line);touch-action:pan-y;cursor:grab;user-select:none;-webkit-user-select:none;
  -webkit-mask-image:linear-gradient(90deg,transparent,#000 12%,#000 88%,transparent);mask-image:linear-gradient(90deg,transparent,#000 12%,#000 88%,transparent)}
.tape.drag{cursor:grabbing}
.tape .track{position:absolute;left:0;top:2px;will-change:transform}
.tape .track svg{display:block;max-width:none}
.tape .needle{position:absolute;left:50%;top:0;bottom:0;width:3px;margin-left:-1.5px;background:var(--r);pointer-events:none}
.tape .needle:before{content:"";position:absolute;left:-6px;top:0;border:7.5px solid transparent;border-top:9px solid var(--r)}
.tapenav{display:flex;align-items:center;gap:8px;margin-top:8px}
.tapenav button{min-width:56px;min-height:44px;background:transparent;color:var(--b);border:1px solid var(--b2);font:400 16px/1 var(--mono);cursor:pointer}
.tapenav .hint{flex:1;text-align:center;font:400 11px/1 var(--mono);letter-spacing:.12em;color:var(--b2)}
.tapenav .hint:before{content:"\2190  "}.tapenav .hint:after{content:"  \2192"}
.picks{grid-template-columns:repeat(5,1fr)!important;margin-top:18px!important}
details.all{margin:14px var(--gut) 0;border-top:1px solid var(--line)}
details.all summary{min-height:48px;display:flex;align-items:center;cursor:pointer;font:400 12px/1 var(--mono);letter-spacing:.08em;list-style:none}
details.all summary::-webkit-details-marker{display:none}
details.all summary:before{content:"+";display:inline-block;width:20px;font-size:16px}
details.all[open] summary:before{content:"\2212"}
details.all .stills{margin:4px 0 0}
.stills{display:grid;grid-template-columns:repeat(4,1fr);gap:6px;margin:12px var(--gut) 0}
.stills a{display:block;background:var(--k);padding:3px;text-decoration:none}
.stills img{width:100%;aspect-ratio:3/4;object-fit:cover;background:#1a1a1a}
.stills a.l img{aspect-ratio:3/4}
.stills span{display:block;font:400 10px/1.2 var(--mono);color:var(--kt);padding:4px 1px 1px}
.stills a.on{outline:2px solid var(--b);outline-offset:1px}
/* ---- the part: topo + process row ---- */
.topo{position:relative;margin:12px 0 0;touch-action:pan-y}
.topo .dw{margin:0 var(--gut);aspect-ratio:420/363;position:relative}
.topo .dw img{width:100%;height:100%}
.topo .call{background:var(--g)}
.intv{display:flex;align-items:center;gap:0;margin:10px var(--gut) 0;border:1px solid var(--b2)}
.intv button{min-width:52px;min-height:46px;background:transparent;border:0;color:var(--b);font:400 20px/1 var(--mono);cursor:pointer}
.intv button:disabled{opacity:.35;cursor:default}
.intv output{flex:1;text-align:center;font:700 13px/1.25 var(--mono);letter-spacing:.05em;border-left:1px solid var(--b2);border-right:1px solid var(--b2);padding:6px 4px}
.intv output small{display:block;font-weight:400;font-size:10.5px;color:var(--b2);letter-spacing:.04em}
.proc{display:grid;grid-template-columns:repeat(3,1fr);margin:16px var(--gut) 0;border:1px solid var(--b2)}
.proc>div{padding:9px 8px;border-right:1px solid var(--b2);font-size:12.5px;line-height:1.3;min-height:84px}
.proc>div:last-child{border-right:0}
.proc b{display:block;font:700 11px/1 var(--mono);letter-spacing:.08em;margin-bottom:7px}
.proc .d{border:1.5px dashed var(--b2);margin:-1px -1px -1px 0;color:var(--b2)}
.spec{width:calc(100% - 2*var(--gut));margin:14px var(--gut) 0;border-collapse:collapse;font-size:13px}
.spec th,.spec td{border:1px solid var(--b2);padding:7px 8px;vertical-align:top;line-height:1.3;text-align:left}
.spec th{font:700 11px/1.3 var(--mono);letter-spacing:.06em;width:96px;font-weight:700}
.spec td.n{font-family:var(--mono);font-size:12.5px}
.spec td.d{border-style:dashed;color:var(--b2)}

/* ---- the scan window (as in Fused): black window, bone points, red capture sweep ---- */
.scan{margin:14px var(--gut) 0}
.view{position:relative;margin:0;height:352px;background:var(--g);overflow:hidden;user-select:none;-webkit-user-select:none;border:1px solid var(--line)}
.view>img.still{width:100%;height:100%;object-fit:contain}
.view>canvas.gl{position:absolute;inset:0;width:100%;height:100%;display:block;cursor:grab}
.view>canvas.gl:active{cursor:grabbing}
.view.live>img.still{visibility:hidden}
.hud{position:absolute;font:400 10.5px/1.45 var(--mono);letter-spacing:.07em;color:var(--b2);text-transform:uppercase;pointer-events:none;font-variant-numeric:tabular-nums;z-index:2}
.hud b{color:var(--b);font-weight:400}
.hud .red,.hud b.red{color:var(--r)}
.hud.tl{left:22px;top:18px}.hud.tr{right:22px;top:18px;text-align:right}.hud.bl{left:22px;bottom:20px}.hud.br{right:22px;bottom:20px}
.crn{position:absolute;width:16px;height:16px;border:0 solid var(--b2);pointer-events:none;z-index:2}
.crn.tl{left:12px;top:10px;border-left-width:1px;border-top-width:1px}.crn.tr{right:12px;top:10px;border-right-width:1px;border-top-width:1px}
.crn.bl{left:12px;bottom:10px;border-left-width:1px;border-bottom-width:1px}.crn.br{right:12px;bottom:10px;border-right-width:1px;border-bottom-width:1px}
.turn{display:flex;align-items:center;gap:8px;color:var(--b)}
.turn svg{width:46px;height:16px}
.scan .dim{position:relative;height:26px;margin:4px 0 0;border-left:1px solid var(--b2);border-right:1px solid var(--b2)}
.scan .dim:before{content:"";position:absolute;left:0;right:0;top:12px;border-top:1px solid var(--b2)}
.scan .dim span{position:absolute;left:50%;top:5px;transform:translateX(-50%);background:var(--g);padding:0 8px;font:400 11px/1 var(--mono);letter-spacing:.06em;white-space:nowrap}
.dial{position:relative;height:64px;margin:10px 0 0;overflow:hidden;touch-action:pan-y;cursor:ew-resize;user-select:none;-webkit-user-select:none}
.dial .track{position:absolute;left:0;top:0;height:100%;width:3240px;will-change:transform}
.dial .ticks{position:absolute;left:0;right:0;top:14px;height:16px;background:repeating-linear-gradient(90deg,#444 0 1px,transparent 1px 9px)}
.dial .ticks.maj{height:24px;top:10px;background:repeating-linear-gradient(90deg,#8d8d88 0 1px,transparent 1px 45px)}
.dial .deg{position:absolute;top:36px;font:400 9.5px/1 var(--mono);color:var(--b2);transform:translateX(-50%)}
.dial .needle{position:absolute;left:50%;top:4px;width:2px;height:36px;background:var(--r);margin-left:-1px;z-index:2}
.dial .lbl{position:absolute;left:50%;top:46px;transform:translateX(-50%);font:400 10px/1 var(--mono);letter-spacing:.08em;color:var(--b);background:var(--g);padding:0 8px;white-space:nowrap;z-index:2}
.seg{display:flex;border:1px solid var(--b2)}
.seg button{flex:1;min-height:44px;background:transparent;color:var(--b);border:0;border-right:1px solid var(--b2);font:400 11.5px/1.2 var(--mono);letter-spacing:.06em;cursor:pointer}
.seg button:last-child{border-right:0}
.seg button[aria-pressed="true"]{background:var(--b);color:var(--g);font-weight:700}
.scan .seg{margin:10px 0 0}

/* ---- mach1 sections sheet ---- */
.secs{display:grid;grid-template-columns:repeat(3,1fr);gap:0;margin:12px var(--gut) 0;border-top:1px solid var(--b2);border-left:1px solid var(--b2)}
.secs figure{margin:0;border-right:1px solid var(--b2);border-bottom:1px solid var(--b2);padding:6px}
.secs img{width:100%;aspect-ratio:950/565}
.secs figcaption{font:400 10.5px/1.2 var(--mono);color:var(--b2);margin-top:3px}
.wide{overflow-x:auto;overflow-y:hidden;scrollbar-width:none}
.wide::-webkit-scrollbar{display:none}

/* ---- teasers on home ---- */
.teas{display:grid;grid-template-columns:1fr;gap:0}
.teas a{text-decoration:none;display:block}
.frm.line{background:transparent;border:1px solid var(--b2);padding:0}
.frm.line .tb{color:var(--b);padding:6px 8px}

/* ---- colophon (house rule) ---- */
.colo{margin:36px var(--gut) 0;padding:10px 0 calc(28px + env(safe-area-inset-bottom,0));border-top:1px solid var(--b2);font:400 11px/1.7 var(--mono);color:var(--b2)}
.colo a{text-decoration:none;display:inline-block;padding:6px 0}
.colo a:hover{text-decoration:underline}
.colo .slot{margin:0 0 12px;font-size:12px}

/* ---- desktop ---- */
@media (min-width:960px){
  :root{--gut:48px}
  .nav{padding-top:22px}
  .nav .home{font-size:24px}
  .nav .menu{display:flex;margin-left:auto;gap:4px}
  .nav .menu a{font:400 12px/1 var(--mono);letter-spacing:.08em;text-decoration:none;padding:16px 10px}
  .nav .menu a:hover,.nav .menu a[aria-current]{text-decoration:underline;text-underline-offset:4px}
  .nav .idx{display:none}
  .draw{padding-left:var(--gut);padding-right:var(--gut)}
  .glink{max-width:720px}
  .hero{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,.85fr);gap:32px;align-items:end;margin:0 var(--gut)}
  .hero h1{font-size:72px;margin:34px 0 0}
  .two-col .frm .ph{width:min(100%,calc(78vh * .75));margin:0 auto}
  .hero p{margin:0;font-size:16px}
  h2{font-size:40px}
  .strip{height:auto;overflow:visible;padding-bottom:24px}
  .car{width:auto;margin:0 var(--gut);height:auto;padding-top:44px}
  .car img{position:relative;top:0}
  .cut{top:34px;height:calc(100% - 30px)}
  .secp{grid-template-columns:1fr}
  .bd2{display:grid;grid-template-columns:minmax(0,1fr) 420px;gap:28px;margin:0 var(--gut)}
  .bd2 .secp,.bd2 .dcap{margin-left:0;margin-right:0}
  .secp .dr{height:210px}
  .row3{display:grid;grid-template-columns:420px minmax(0,1fr) minmax(0,1fr);gap:28px;margin:28px var(--gut) 0;align-items:start}
  .row3>*,.row3 .teas>*{margin:0!important}
  .teas{display:contents}
  .stills{grid-template-columns:repeat(8,1fr)}
  .two-col{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:32px;margin:0 var(--gut)}
  .two-col>*{margin-left:0!important;margin-right:0!important}
  .secs{grid-template-columns:repeat(6,1fr)}
  .topo .dw{max-width:620px}
  .view{height:480px}
  .dayf,.tape-wrap{max-width:560px}
  .picks{grid-template-columns:repeat(10,1fr)!important}
}
@media (prefers-reduced-motion:reduce){*{scroll-behavior:auto!important}}