:root{
  --bg:#F7F8FB;--bg-2:#EDF0F6;--bg-3:#DFE4EE;
  --paper:#070A2E;--mute:#4B5372;--faint:#8990AB;
  --line:rgba(7,10,46,.1);--line-2:rgba(7,10,46,.2);
  --blue:#0B5FE0;--blue-deep:#0031C4;--blue-hi:#0877DD;--blue-ink:#0142C9;
  --f-display:"Saira",system-ui,"Segoe UI",Arial,sans-serif;
  --f-text:"Geist",system-ui,"Segoe UI",Arial,sans-serif;
  --f-mono:"Geist Mono",ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
  --gut:clamp(16px,4vw,56px);
  --max:1440px;
  --ease:cubic-bezier(.16,1,.3,1);
  --nav-h:68px;
  --mark-d:#05066C;--nav-bg:rgba(247,248,251,.82);
  color-scheme:light;
}
/* light chapter (packages, work, about): the page turns to paper, the brand navy takes over */
/* dark chapters: the cinematic moments (film, marquee band, finale, footer) and the nav over them */
.dk,.nav.on-dark{--bg:#04071A;--bg-2:#0A1030;--bg-3:#111A44;--paper:#EEF1F8;--mute:#A3ACC8;--faint:#66708F;
  --line:rgba(214,222,255,.12);--line-2:rgba(214,222,255,.22);--blue-ink:#5B97FF;--mark-d:#EEF1F8;--nav-bg:rgba(4,7,26,.72);color-scheme:dark}
.dk{background:var(--bg);color:var(--paper)}
body,.assembly,.idea,.nav{transition:background-color .01s}
.wm-l{display:none}
.nav.on-dark .wm-l,.dk .wm-l{display:block}.nav.on-dark .wm-d{display:none}
*,*::before,*::after{box-sizing:border-box}
html{background:var(--bg);-webkit-text-size-adjust:100%}
html.lenis,html.lenis body{height:auto}
.lenis.lenis-smooth{scroll-behavior:auto!important}
body{margin:0;background:var(--bg);color:var(--paper);font:400 17px/1.6 var(--f-text);-webkit-font-smoothing:antialiased;overflow-x:clip}
img,svg,canvas{display:block;max-width:100%}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer;padding:0}
h1,h2,h3,h4,p,ul,ol,dl,dd,figure{margin:0}
ul,ol{padding:0;list-style:none}
::selection{background:var(--blue);color:#fff}
:focus-visible{outline:2px solid var(--blue-ink);outline-offset:3px}
.sr{position:absolute!important;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
.skip{position:fixed;left:12px;top:-60px;z-index:100;background:var(--paper);color:var(--bg);padding:10px 14px;font-weight:600}
.skip:focus{top:12px}

/* grain: fixed, pointer-less (never on scrolling layers) */
.grain{position:fixed;inset:0;z-index:40;pointer-events:none;opacity:.035;mix-blend-mode:overlay;
  background-image:url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='160' height='160'><filter id='n'><feTurbulence type='fractalNoise' baseFrequency='.9' numOctaves='2' stitchTiles='stitch'/></filter><rect width='100%' height='100%' filter='url(%23n)'/></svg>")}

.wrap{width:100%;max-width:var(--max);margin-inline:auto;padding-inline:var(--gut)}
.display{font-family:var(--f-display);font-stretch:112%;font-weight:760;letter-spacing:-.025em;line-height:.98;text-wrap:balance}
.mono{font-family:var(--f-mono);font-size:12.5px;letter-spacing:.04em;color:var(--mute)}
.label{font-family:var(--f-mono);font-size:12px;letter-spacing:.14em;text-transform:uppercase;color:var(--blue-ink)}
.lede{font-size:clamp(17px,1.35vw,20px);line-height:1.55;color:var(--mute);max-width:52ch}
em.b{font-style:normal;color:var(--blue-ink)}

/* ---------- buttons ---------- */
.btn{--h:52px;display:inline-flex;align-items:center;gap:14px;height:var(--h);padding:0 30px 0 22px;font:600 15px/1 var(--f-text);letter-spacing:.01em;white-space:nowrap;transition:transform .5s var(--ease),background-color .3s,color .3s}
.btn-p{background:var(--blue);color:#fff;clip-path:polygon(0 0,calc(100% - 16px) 0,100% 50%,calc(100% - 16px) 100%,0 100%)}
.btn-p:hover{background:var(--blue-hi)}
.btn-g{color:var(--paper);box-shadow:inset 0 0 0 1px var(--line-2);padding:0 22px}
.btn-g:hover{box-shadow:inset 0 0 0 1px var(--paper)}
.btn:active{transform:scale(.98)}
.btn .ar{width:16px;height:12px;transition:transform .5s var(--ease)}
.btn:hover .ar{transform:translateX(4px)}

/* ---------- nav ---------- */
.nav{position:fixed;inset:0 0 auto;z-index:50;padding-top:env(safe-area-inset-top,0px);transition:background-color .4s,backdrop-filter .4s,transform .5s var(--ease)}
.nav.solid{background:var(--nav-bg);-webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);box-shadow:0 1px 0 var(--line)}
.nav.hide{transform:translateY(-100%)}
.nav .wrap{height:var(--nav-h);display:flex;align-items:center;justify-content:space-between;gap:24px}
.brand{display:flex;align-items:center;gap:12px;height:34px}
.brand svg{height:30px;width:auto}
.brand img{height:17px;width:auto}
.nav-links{display:flex;gap:clamp(16px,2.2vw,34px);font-size:14.5px;color:var(--mute)}
.nav-links a{position:relative;padding:6px 0;transition:color .25s}
.nav-links a:hover,.nav-links a[aria-current]{color:var(--paper)}
.nav-links a::after{content:"";position:absolute;left:0;right:0;bottom:0;height:1px;background:var(--blue-ink);transform:scaleX(0);transform-origin:left;transition:transform .5s var(--ease)}
.nav-links a:hover::after{transform:scaleX(1)}
.nav .btn{--h:42px;font-size:14px;padding:0 26px 0 18px}
.menu-btn{display:none;width:44px;height:44px;position:relative}
.menu-btn span{position:absolute;left:11px;right:11px;height:1.5px;background:var(--paper);transition:transform .4s var(--ease)}
.menu-btn span:first-child{top:17px}.menu-btn span:last-child{top:26px}
.menu-open .menu-btn span:first-child{transform:translateY(4.5px) rotate(45deg)}
.menu-open .menu-btn span:last-child{transform:translateY(-4.5px) rotate(-45deg)}
.sheet{position:fixed;inset:0;z-index:45;background:var(--bg);padding:calc(var(--nav-h) + 24px + env(safe-area-inset-top,0px)) var(--gut) 32px;display:flex;flex-direction:column;justify-content:space-between;visibility:hidden;opacity:0;transition:opacity .4s,visibility .4s}
.menu-open .sheet{visibility:visible;opacity:1}
.sheet ul{display:grid;gap:6px}
.sheet a.big{font:700 clamp(30px,8vw,44px)/1.15 var(--f-display);font-stretch:110%}
.sheet .mono a{color:var(--paper)}

/* ---------- hero ---------- */
.hero{position:relative;min-height:100dvh;display:grid;align-items:center;padding-block:calc(var(--nav-h) + 32px) 56px;overflow:hidden;isolation:isolate}
.hero canvas.orbits{position:absolute;inset:0;width:100%;height:100%;z-index:-1}
.hero .wrap{display:grid;grid-template-columns:minmax(0,1.15fr) minmax(0,.85fr);gap:clamp(24px,4vw,64px);align-items:center}
.hero .wrap>div:first-child{grid-area:1/1}
.hero-beats{grid-area:1/1;position:relative;align-self:center;pointer-events:none}
.hero-beats .beat{position:absolute;left:0;right:0;top:50%;transform:translateY(-50%);opacity:0;visibility:hidden}
.beat-big{font-size:clamp(34px,4.4vw,72px);margin-top:18px;max-width:14ch}
.hero-beats .lede{margin-top:22px;color:var(--mute)}
.hero-mark{grid-area:1/2}
.hero-count{position:absolute;left:var(--gut);bottom:calc(22px + env(safe-area-inset-bottom,0px));display:flex;align-items:baseline;gap:10px;text-transform:uppercase;letter-spacing:.14em;font-size:11.5px;color:var(--mute)}
.hero-count .odo{font:600 15px/1 var(--f-mono);color:var(--paper)}
.hero h1{font-size:clamp(44px,6.1vw,104px)}
.hero h1 .line{display:block;overflow:hidden;padding-bottom:.06em}
.hero h1 .line>span{display:inline-block}
.hero .lede{margin-top:28px}
.hero .ctas{display:flex;flex-wrap:wrap;gap:14px;margin-top:40px}
.hero-mark{position:relative;aspect-ratio:1;width:100%;max-width:560px;justify-self:end}
.hero-mark svg{width:100%;height:100%;overflow:visible}
.hero-mark{perspective:1100px}
.mark-3d{width:100%;height:100%;transform-style:preserve-3d;will-change:transform}
.mark-3d svg{filter:drop-shadow(0 30px 40px rgba(5,6,108,.22))}
.hero-mark::before{content:"";position:absolute;inset:8% 4% 10% 8%;z-index:-1;pointer-events:none;
  background:radial-gradient(closest-side,rgba(11,95,224,.14),rgba(11,95,224,0) 70%)}
.hero .coord{color:var(--faint)}
.coord{position:absolute;font-family:var(--f-mono);font-size:11px;letter-spacing:.08em;color:var(--faint)}
.coord.a{left:0;top:6%}.coord.b{right:0;bottom:4%}

/* ---------- fragments (tension) ---------- */
.frag{position:relative;padding-block:clamp(110px,16vw,220px);isolation:isolate;overflow:hidden;background:var(--bg)}
.frag canvas.bang{position:absolute;inset:0;width:100%;height:100%;z-index:-1}
.frag .piece{background:rgba(247,248,251,.72);-webkit-backdrop-filter:blur(3px);backdrop-filter:blur(3px);padding-bottom:10px}
.frag .wrap{display:grid;grid-template-columns:repeat(12,minmax(0,1fr));row-gap:clamp(40px,6vw,80px)}
.frag .intro{grid-column:1/8}
.frag h2{font-size:clamp(34px,4.6vw,72px)}
.frag .pieces{grid-column:1/-1;position:relative;display:grid;grid-template-columns:repeat(12,minmax(0,1fr));row-gap:28px}
.piece{border-top:1px solid var(--line-2);padding-top:18px;display:grid;gap:8px;align-content:start}
.piece b{font:600 clamp(20px,1.9vw,28px)/1.2 var(--f-display);font-stretch:105%}
.piece .mono{color:var(--faint)}
.piece:nth-child(1){grid-column:1/5}
.piece:nth-child(2){grid-column:6/10;margin-top:90px}
.piece:nth-child(3){grid-column:3/7;margin-top:10px}
.piece:nth-child(4){grid-column:8/13;margin-top:70px}
.piece.no{border-top-color:var(--blue)}
.piece.no b{color:var(--blue-ink)}
.frag .verdict{grid-column:5/13;font:500 clamp(22px,2.3vw,34px)/1.3 var(--f-display);font-stretch:100%;color:var(--paper);max-width:30ch}
.frag .verdict{color:var(--paper)}
.frag .verdict span{color:var(--mute)}

/* ---------- word (turn) ---------- */
.word{position:relative;padding-block:clamp(60px,8vw,120px);overflow:hidden;border-top:1px solid var(--line)}
.word .type{display:flex;justify-content:center;align-items:baseline;font:800 clamp(72px,19vw,330px)/.82 var(--f-display);font-stretch:118%;letter-spacing:-.045em;white-space:nowrap;user-select:none}
.word .type .digi{color:var(--paper)}
.word .type .tam{color:var(--blue)}
.word .def{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:clamp(24px,5vw,90px);margin-top:clamp(40px,6vw,90px);align-items:start}
.word dl{display:grid;grid-template-columns:auto 1fr;gap:10px 22px;font-size:16px}
.word dt{font-family:var(--f-mono);font-size:12px;letter-spacing:.1em;color:var(--faint);text-transform:uppercase;padding-top:4px}
.word dd{color:var(--paper)}
.word dd i{color:var(--mute)}
.word .thesis{font:600 clamp(26px,3vw,46px)/1.12 var(--f-display);font-stretch:108%;letter-spacing:-.015em;text-wrap:balance}
.word .thesis span{color:var(--blue-ink)}

/* ---------- assembly (peak) ---------- */
.assembly{position:relative;border-top:1px solid var(--line);background:linear-gradient(180deg,var(--bg) 0%,var(--bg-2) 100%)}
.assembly .pin{min-height:100dvh;display:grid;align-items:center;padding-block:calc(var(--nav-h) + 20px) 32px}
.assembly .wrap{display:grid;grid-template-columns:minmax(0,.9fr) minmax(0,1.1fr);gap:clamp(24px,4vw,72px);align-items:center}
.assembly header h2{font-size:clamp(32px,3.8vw,60px)}
.assembly header p{margin-top:16px}
.svc-list{margin-top:clamp(22px,3vw,40px);border-top:1px solid var(--line)}
.svc{border-bottom:1px solid var(--line)}
.svc a{display:grid;grid-template-columns:28px 1fr auto;gap:14px;align-items:baseline;padding:11px 0;transition:color .3s}
.svc .n{font-family:var(--f-mono);font-size:11.5px;color:var(--faint);transition:color .3s}
.svc h3{font:600 clamp(17px,1.45vw,21px)/1.25 var(--f-display);font-stretch:104%;color:var(--mute);transition:color .3s}
.svc p{grid-column:2/3;font-size:14.5px;line-height:1.5;color:var(--mute);max-height:0;overflow:hidden;opacity:0;transition:max-height .6s var(--ease),opacity .4s}
.svc .go{width:16px;height:12px;opacity:.35;transition:opacity .3s,transform .4s var(--ease)}
.svc.on h3,.svc a:hover h3{color:var(--paper)}
.svc.on .n{color:var(--blue-ink)}
.svc.on p{max-height:80px;opacity:1}
.svc a:hover .go{opacity:1;transform:translateX(4px)}
.stage{position:relative;aspect-ratio:1;width:100%;max-width:640px;justify-self:center}
.stage svg{width:100%;height:100%;overflow:visible}
.stage .ring{fill:none;stroke:var(--line-2);stroke-width:1}
.stage .arc{fill:none;stroke:var(--blue);stroke-width:2}
.stage .shard polygon{fill:var(--bg-3);stroke:var(--line-2);stroke-width:1;transition:fill .5s,stroke .5s}
.stage .shard.lock polygon{fill:var(--blue);stroke:var(--blue-hi)}
.stage .shard text{font:500 13px var(--f-mono);letter-spacing:.06em;fill:var(--mute);transition:fill .4s}
.stage .shard.lock text{fill:var(--paper)}
.stage .shard.hot polygon{fill:var(--blue-hi);stroke:#fff}
.stage .shard.hot text{fill:#fff}
.stage{transform-style:preserve-3d}
.stage .status{position:absolute;left:0;bottom:0;font-family:var(--f-mono);font-size:12px;letter-spacing:.08em;color:var(--mute)}
.stage .status b{color:var(--paper);font-weight:500}

/* ---------- method ---------- */
.method{padding-block:clamp(110px,14vw,200px);border-top:1px solid var(--line);position:relative}
.method h2{font-size:clamp(34px,4.4vw,70px);max-width:15ch}
.method .lede{margin-top:20px}
.steps{position:relative;margin-top:clamp(56px,8vw,110px);display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:clamp(16px,2vw,32px)}
.steps svg.path{position:absolute;left:0;top:-2px;width:100%;height:60px;overflow:visible;pointer-events:none}
.steps svg.path path{fill:none;stroke:var(--blue);stroke-width:2}
.steps svg.path .base{stroke:var(--line-2);stroke-width:1}
.step{padding-top:64px;position:relative}
.step::before{content:"";position:absolute;top:24px;left:0;width:10px;height:10px;background:var(--bg);box-shadow:inset 0 0 0 2px var(--blue-ink);transform:rotate(45deg)}
.step h3{font:700 clamp(22px,2vw,30px)/1.1 var(--f-display);font-stretch:110%}
.step p{margin-top:12px;font-size:15px;line-height:1.55;color:var(--mute)}
.facts{margin-top:clamp(64px,8vw,110px);display:grid;grid-template-columns:minmax(0,1.3fr) minmax(0,1fr);gap:clamp(24px,4vw,64px);border-top:1px solid var(--line);padding-top:36px}
.ruler{display:grid;grid-template-columns:repeat(10,minmax(0,1fr));gap:4px;margin-top:18px}
.ruler i{height:44px;background:var(--bg-3);position:relative}
.ruler i.in{background:var(--blue)}
.ruler i::after{content:attr(data-d);position:absolute;left:0;bottom:-22px;font:11px var(--f-mono);color:var(--faint)}
.fact h3{font:700 clamp(40px,4.6vw,72px)/1 var(--f-display);font-stretch:112%;letter-spacing:-.02em}
.fact p{margin-top:12px;color:var(--mute);max-width:44ch}
.fact .ch{display:flex;flex-wrap:wrap;gap:8px 22px;margin-top:22px;font-size:15px}
.fact .ch a{border-bottom:1px solid var(--line-2);padding-bottom:3px}
.fact .ch a:hover{border-color:var(--paper)}

/* ---------- packages ---------- */
.packages{padding-block:clamp(100px,13vw,190px);border-top:1px solid var(--line)}
.packages .head{display:grid;gap:18px;max-width:760px}
.packages h2{font-size:clamp(34px,4.4vw,70px)}
.ledger{margin-top:clamp(48px,6vw,80px);border-top:1px solid var(--line-2)}
.row{display:grid;grid-template-columns:minmax(0,.8fr) minmax(0,1.3fr) minmax(0,1.1fr) minmax(210px,auto);gap:clamp(16px,3vw,48px);align-items:center;padding:clamp(26px,3vw,40px) clamp(0px,1.5vw,24px);border-bottom:1px solid var(--line-2);position:relative;isolation:isolate}
.row h3{font:700 clamp(22px,2vw,30px)/1.1 var(--f-display);font-stretch:110%}
.row .tag{display:block;margin-top:8px}
.eq{font:700 clamp(38px,4.4vw,72px)/1 var(--f-display);font-stretch:108%;letter-spacing:-.02em;font-variant-numeric:tabular-nums;white-space:nowrap}
.eq small{display:block;margin-top:.55em;font:500 13px/1.3 var(--f-mono);letter-spacing:.04em;color:var(--mute)}
.eq .plus{color:var(--faint);font-weight:400}
.row .terms{color:var(--mute);font-size:15px;max-width:34ch}
.row.best::before{content:"";position:absolute;inset:0;z-index:-1;background:var(--blue);transform-origin:left;transform:scaleX(var(--fill,1))}
.row.best .terms,.row.best .eq small,.row.best .eq .plus{color:rgba(255,255,255,.82)}
.row.best .label{color:#fff}
.row.best .btn-p{background:var(--paper);color:var(--bg)}
.row.best .btn-p:hover{background:#fff}
.row .slot{min-width:1px}
.packages .after{display:flex;flex-wrap:wrap;align-items:center;gap:18px 32px;margin-top:36px;color:var(--mute);font-size:15px}

/* ---------- work (proof) ---------- */
.work{padding-block:clamp(100px,13vw,180px);border-top:1px solid var(--line);overflow:hidden}
.work .top{display:flex;justify-content:space-between;align-items:end;gap:24px;flex-wrap:wrap}
.work h2{font-size:clamp(34px,4.4vw,70px);max-width:14ch}
.reel{margin-top:clamp(40px,5vw,70px);display:grid;grid-auto-flow:column;grid-auto-columns:minmax(280px,34%);gap:clamp(14px,2vw,28px);overflow-x:auto;scroll-snap-type:x mandatory;padding-bottom:18px;scrollbar-width:thin;scrollbar-color:var(--line-2) transparent}
.case{scroll-snap-align:start;display:grid;gap:14px}
.case .frame{aspect-ratio:4/3;background:repeating-linear-gradient(135deg,var(--bg-2) 0 14px,var(--bg) 14px 28px);box-shadow:inset 0 0 0 1px var(--line-2);display:grid;place-items:center;text-align:center;padding:20px}
.case .frame span{font-family:var(--f-mono);font-size:12px;letter-spacing:.06em;color:var(--mute);max-width:24ch}
.case h3{font:600 20px/1.2 var(--f-display);font-stretch:104%}
.case p{font-size:14.5px;color:var(--mute)}

/* ---------- origin ---------- */
.origin{padding-block:clamp(100px,13vw,190px);border-top:1px solid var(--line)}
.origin .wrap{display:grid;grid-template-columns:repeat(12,minmax(0,1fr));gap:clamp(24px,3vw,48px)}
.origin blockquote{grid-column:1/9;margin:0;font:700 clamp(38px,5.6vw,92px)/1 var(--f-display);font-stretch:112%;letter-spacing:-.03em;text-wrap:balance}
.origin blockquote span{color:var(--blue-ink)}
.origin .story{grid-column:1/7;display:grid;gap:18px;color:var(--mute);font-size:17px;max-width:56ch;margin-top:clamp(20px,3vw,40px)}
.origin .story strong{color:var(--paper);font-weight:500}
.team{grid-column:8/13;margin-top:clamp(20px,3vw,40px);align-self:end}
.team ul{border-top:1px solid var(--line)}
.team li{display:flex;justify-content:space-between;gap:16px;padding:12px 0;border-bottom:1px solid var(--line);font-size:15px}
.team li span:last-child{color:var(--mute);text-align:right}
.team a.more{display:inline-flex;gap:10px;align-items:center;margin-top:20px;font-size:15px;border-bottom:1px solid var(--line-2);padding-bottom:3px}
.idea{grid-column:1/-1;margin-top:clamp(60px,8vw,110px);display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.2fr);gap:clamp(24px,4vw,64px);padding:clamp(28px,4vw,56px);background:var(--bg-2);box-shadow:inset 0 0 0 1px var(--line)}
.idea h3{font:700 clamp(28px,3vw,46px)/1.05 var(--f-display);font-stretch:110%}
.idea p{color:var(--mute);max-width:52ch}
.idea .btn{margin-top:26px}

/* ---------- articles ---------- */
.articles{padding-block:clamp(90px,12vw,170px);border-top:1px solid var(--line)}
.articles h2{font-size:clamp(30px,3.6vw,56px)}
.topics{margin-top:clamp(32px,4vw,56px);border-top:1px solid var(--line)}
.topics a{display:grid;grid-template-columns:1fr auto;align-items:center;gap:20px;padding:clamp(14px,1.8vw,22px) 0;border-bottom:1px solid var(--line);font:700 clamp(30px,5vw,80px)/1 var(--f-display);font-stretch:115%;letter-spacing:-.03em;color:var(--faint);transition:color .35s,padding .5s var(--ease)}
.topics a span.mono{font-weight:400;letter-spacing:.04em}
.topics a:hover{color:var(--paper);padding-left:clamp(0px,1.5vw,24px)}
.topics a:hover span.mono{color:var(--blue-ink)}

/* ---------- faq ---------- */
.faq{padding-block:clamp(90px,12vw,170px);border-top:1px solid var(--line)}
.faq .wrap{display:grid;grid-template-columns:minmax(0,.8fr) minmax(0,1.2fr);gap:clamp(24px,5vw,90px);align-items:start}
.faq h2{font-size:clamp(30px,3.6vw,56px);position:sticky;top:calc(var(--nav-h) + 30px)}
.faq h2+p{margin-top:18px}
.qa{border-top:1px solid var(--line)}
.qa details{border-bottom:1px solid var(--line)}
.qa summary{list-style:none;display:grid;grid-template-columns:1fr 20px;gap:20px;align-items:center;padding:22px 0;cursor:pointer;font:600 clamp(17px,1.4vw,20px)/1.35 var(--f-display);font-stretch:102%}
.qa summary::-webkit-details-marker{display:none}
.qa summary i{width:14px;height:14px;position:relative;justify-self:end}
.qa summary i::before,.qa summary i::after{content:"";position:absolute;left:0;right:0;top:6.5px;height:1.5px;background:var(--blue-ink);transition:transform .4s var(--ease)}
.qa summary i::after{transform:rotate(90deg)}
.qa details[open] summary i::after{transform:rotate(0)}
.qa .a{padding:0 40px 24px 0;color:var(--mute);max-width:62ch}

/* ---------- close (lock) ---------- */
.close{position:relative;border-top:1px solid var(--line);overflow:hidden;isolation:isolate}
.close .pin{position:relative;isolation:isolate;overflow:hidden;min-height:100dvh;display:grid;place-items:center;padding-block:calc(var(--nav-h) + 20px) 48px;padding-inline:var(--gut);text-align:center}
.close .mk{width:min(300px,52vw);margin-inline:auto}
.close .mk svg{width:100%;height:auto;overflow:visible}
.close h2{margin-top:clamp(28px,4vw,48px);font-size:clamp(52px,9vw,150px)}
.close p.lede{margin:22px auto 0;text-align:center}
.close .ctas{display:flex;flex-wrap:wrap;justify-content:center;gap:14px;margin-top:40px}
.close canvas{position:absolute;inset:0;width:100%;height:100%;z-index:-1}

/* ---------- footer ---------- */
.foot{border-top:1px solid var(--line);padding-block:64px 36px;font-size:15px}
.foot .grid{display:grid;grid-template-columns:minmax(0,1.4fr) repeat(3,minmax(0,1fr));gap:32px}
.foot h4{font-family:var(--f-mono);font-size:11.5px;letter-spacing:.14em;text-transform:uppercase;color:var(--faint);font-weight:400;margin-bottom:16px}
.foot li{padding:4px 0}
.foot li a{color:var(--mute);transition:color .25s}
.foot li a:hover{color:var(--paper)}
.foot .contact a{display:block;font:600 clamp(20px,1.8vw,26px)/1.35 var(--f-display);font-stretch:104%}
.foot .contact a:hover{color:var(--blue-ink)}
.foot .base{margin-top:56px;display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px;color:var(--faint);font-size:13.5px;border-top:1px solid var(--line);padding-top:24px}
.foot .base nav{display:flex;gap:22px}
.foot .base a:hover{color:var(--paper)}

/* ---------- film (frame-sequence reels) ---------- */
canvas.reel{position:absolute;inset:0;width:100%;height:100%;display:block;background:transparent}
.hero .hero-reel{z-index:-3;opacity:0;transition:opacity 1.2s var(--ease)}
.hero-scrim{position:absolute;inset:0;z-index:-2;pointer-events:none;opacity:0;transition:opacity 1.2s;
  background:linear-gradient(90deg,rgba(247,248,251,.92) 0%,rgba(247,248,251,.55) 38%,rgba(247,248,251,0) 60%),linear-gradient(0deg,var(--bg) 0%,rgba(247,248,251,0) 16%)}
.film-on .hero .hero-reel,.film-on .hero-scrim{opacity:1}
.film-on .hero canvas.orbits{display:none}
.coldopen{position:fixed;inset:0;z-index:80;background:var(--bg)}
/* first paint: the cold open is already there, the page never flashes behind it */
html.dt-boot #intro[hidden]{display:block}
html.dt-boot{overflow:hidden}
html.dt-boot body{overflow:hidden}
.coldopen .reel{position:absolute;inset:0}
.intro-skip{position:absolute;right:var(--gut);bottom:calc(24px + env(safe-area-inset-bottom,0px));color:rgba(20,22,30,.7);padding:10px 0;border-bottom:1px solid currentColor;transition:color .4s}
.coldopen.dark .intro-skip{color:rgba(238,241,248,.7)}
.film{position:relative}
.film-pin{position:relative;height:100dvh;overflow:hidden;isolation:isolate}
.film .reel{z-index:-1}
.film .bar{display:none}
.film .bar.t{top:0}.film .bar.b{bottom:0}
.film-cap{position:absolute;left:var(--gut);right:var(--gut);bottom:calc(9vh + 22px);z-index:2;display:flex;justify-content:space-between;align-items:baseline;gap:20px;flex-wrap:wrap}
.film-cap .mono{color:rgba(238,241,248,.6);font-variant-numeric:tabular-nums}
.film-line{font:600 clamp(20px,2.2vw,32px)/1.2 var(--f-display);font-stretch:108%;color:var(--paper)}
.close .end-reel{z-index:-3;opacity:0}
.end-scrim{position:absolute;inset:0;z-index:-2;pointer-events:none;background:linear-gradient(0deg,var(--bg) 0%,rgba(5,6,12,.6) 34%,rgba(5,6,12,0) 60%);opacity:0}
.film-on .close .end-reel,.film-on .end-scrim{opacity:1}
.film-on .close .mk{display:none}
.film-on .close .pin{align-items:end;padding-bottom:clamp(40px,8vh,90px)}


/* ---------- motion system v2 (runrobrun-grade details) ---------- */
/* precision crosshairs: the page is drawn on a measured grid */
.xhair{position:fixed;inset:0;z-index:39;pointer-events:none}
.xhair i{position:absolute;width:13px;height:13px;opacity:.55}
.xhair i::before,.xhair i::after{content:"";position:absolute;background:var(--faint)}
.xhair i::before{left:6px;top:0;width:1px;height:13px}
.xhair i::after{top:6px;left:0;height:1px;width:13px}
.xhair .tl{left:10px;top:calc(var(--nav-h) + 4px)}.xhair .tr{right:10px;top:calc(var(--nav-h) + 4px)}
.xhair .tc{left:calc(50% - 6px);top:calc(var(--nav-h) + 4px)}
.xhair .bl{left:10px;bottom:10px}.xhair .br{right:10px;bottom:10px}.xhair .bc{left:calc(50% - 6px);bottom:10px}

/* odometer digits */
.odo{display:inline-flex;overflow:hidden;line-height:1;vertical-align:baseline;font-variant-numeric:tabular-nums}
.odo .col{display:inline-flex;flex-direction:column;height:1.15em;overflow:hidden;position:relative}
.odo .col>span{display:flex;flex-direction:column;transition:transform 1.1s var(--ease);will-change:transform}
.odo .col>span>b{display:block;height:1.15em;line-height:1.15;font-weight:inherit}
.odo .col.static>span{transition:none}

/* loader, then the cold open */
.loader{position:absolute;inset:0;z-index:2;background:var(--bg);display:grid;grid-template-columns:1fr 1fr;grid-template-rows:auto 1fr auto;padding:calc(18px + env(safe-area-inset-top,0px)) var(--gut) calc(22px + env(safe-area-inset-bottom,0px));color:var(--paper)}
.loader .mono{color:var(--mute);text-transform:uppercase;letter-spacing:.14em;font-size:11.5px}
.loader .ld-r{justify-self:end;text-align:right}
.loader .ld-pct{grid-column:1/-1;align-self:end;justify-self:end;display:flex;align-items:flex-start;font:800 clamp(90px,19vw,300px)/.8 var(--f-display);font-stretch:118%;letter-spacing:-.04em}
.loader .ld-sign{font-size:.3em;margin:.08em 0 0 .12em;color:var(--blue-ink)}
.loader .ld-bar{grid-column:1/-1;height:1px;background:var(--line);position:relative;margin-top:22px}
.loader .ld-bar i{position:absolute;inset:0;background:var(--blue-ink);transform-origin:left;transform:scaleX(0)}

/* section drop-lines: a measured line falls into every chapter title */
.drop{display:block;width:1px;height:clamp(60px,10vh,120px);background:var(--line-2);margin:0 0 28px;transform-origin:top}
.split-line{padding-bottom:.14em;margin-bottom:-.14em}
[class*="-mask"]{padding-bottom:.14em;margin-bottom:-.14em}

/* scroll-read statements: words light up as you read */
.readable .w{opacity:.16;transition:opacity .2s linear}

/* text roll on hover (links and buttons) */
.roll{display:inline-block;position:relative;overflow:hidden;vertical-align:top;line-height:1.2}
.roll>span{display:block;transition:transform .55s var(--ease)}
.roll>span::after{content:attr(data-t);position:absolute;left:0;top:100%}
@media (hover:hover) and (pointer:fine){
  a:hover>.roll>span,button:hover>.roll>span,.btn:hover .roll>span{transform:translateY(-100%)}
}

/* work: index + horizontal film strip */
.work-meta{display:flex;align-items:end;gap:28px}
.case-idx{display:flex;align-items:baseline;gap:12px}
.case-idx .odo{font:800 clamp(56px,6vw,96px)/1 var(--f-display);font-stretch:118%;letter-spacing:-.03em}
.work.panning .reel{overflow:visible;scroll-snap-type:none;padding-bottom:0}
.case .frame{clip-path:inset(0 0 0 0)}
.eq .odo{height:1.15em;vertical-align:bottom}

/* blinds: horizontal bars wipe the screen when the page changes colour */
.blinds{display:none!important;position:fixed;inset:0;z-index:70;pointer-events:none;display:grid;grid-template-rows:repeat(8,1fr)}
.blinds i{display:block;background:var(--blind,#F1F3F8);transform:scaleY(0);margin-bottom:-1px}

/* velocity marquee */
.marquee{overflow:hidden;border-block:1px solid var(--line);padding-block:clamp(18px,3vw,36px);background:var(--bg)}
.mq-track{display:flex;align-items:center;width:max-content;will-change:transform}
.mq-track span{font:700 clamp(64px,11vw,190px)/.9 var(--f-display);font-stretch:118%;letter-spacing:-.04em;text-transform:uppercase;padding-inline:clamp(20px,3vw,48px);white-space:nowrap}
.mq-track span:nth-of-type(2n){color:transparent;-webkit-text-stroke:1.5px var(--paper)}
.mq-track i{width:clamp(22px,2.6vw,40px);height:clamp(22px,2.6vw,40px);position:relative;flex:none}
.mq-track i::before,.mq-track i::after{content:"";position:absolute;background:var(--blue-ink)}
.mq-track i::before{left:50%;top:0;bottom:0;width:2px;margin-left:-1px}
.mq-track i::after{top:50%;left:0;right:0;height:2px;margin-top:-1px}

/* fill wipe: the last word fills with brand blue as you arrive */
.wipe{position:relative;display:inline-block;font-style:normal;color:rgba(238,241,248,.18);--w:0%}
.wipe::after{content:attr(data-t);position:absolute;left:0;top:0;color:var(--blue-ink);clip-path:inset(calc(100% - var(--w)) 0 0 0)}

/* cursor follower (pointer devices only; the system cursor stays) */
.cursor{position:fixed;left:0;top:0;z-index:90;width:10px;height:10px;margin:-5px 0 0 -5px;border-radius:50%;background:var(--blue-ink);pointer-events:none;opacity:0;display:grid;place-items:center;transition:width .35s var(--ease),height .35s var(--ease),margin .35s var(--ease),background-color .3s,opacity .3s}
.cursor-label{font:600 11px/1 var(--f-mono);letter-spacing:.12em;text-transform:uppercase;color:#fff;opacity:0;transition:opacity .2s}
.cursor.on{opacity:1}
.cursor.link{width:44px;height:44px;margin:-22px 0 0 -22px;background:rgba(1,66,201,.25)}
.cursor.view{width:86px;height:86px;margin:-43px 0 0 -43px;background:var(--blue)}
.cursor.view .cursor-label{opacity:1}
@media (hover:none),(pointer:coarse){.cursor{display:none}}

/* ---------- responsive ---------- */
@media (max-width:1080px){
  .nav-links{display:none}
  .menu-btn{display:block}
  .nav .btn{display:none}
}
@media (max-width:900px){
  .hero-scrim{background:linear-gradient(0deg,var(--bg) 0%,rgba(247,248,251,.85) 40%,rgba(247,248,251,.3) 62%,rgba(247,248,251,0) 80%)}
  .xhair .tc,.xhair .bc{display:none}
  .work-meta{width:100%;justify-content:space-between}
  .hero{align-items:start}
  .hero .wrap{grid-template-columns:1fr}
  .hero-mark{grid-area:1/1;max-width:360px;justify-self:start;margin-bottom:8px;width:72%}
  .hero .wrap>div:first-child,.hero-beats{grid-area:2/1}
  .hero-beats{align-self:start}
  .hero-beats .beat{top:0;transform:none}
  .hero-count{display:none}
  .coord{display:none}
  .frag .intro,.frag .verdict{grid-column:1/-1}
  .piece:nth-child(n){grid-column:1/-1;margin-top:0}
  .word .def{grid-template-columns:1fr}
  .assembly .wrap{grid-template-columns:1fr}
  .assembly .stage{order:-1;max-width:420px}
  .svc p{max-height:none;opacity:1}
  .steps{grid-template-columns:1fr;gap:0}
  .steps svg.path{display:none}
  .step{padding:26px 0 26px 30px;border-left:1px solid var(--line-2)}
  .step::before{top:34px;left:-5.5px}
  .facts{grid-template-columns:1fr}
  .row{grid-template-columns:1fr;gap:12px;padding-inline:16px}
  .reel{grid-auto-columns:82%}
  .origin blockquote,.origin .story,.team{grid-column:1/-1}
  .idea{grid-template-columns:1fr}
  .faq .wrap{grid-template-columns:1fr}
  .faq h2{position:static}
  .foot .grid{grid-template-columns:1fr 1fr}
  .foot .grid>div:first-child{grid-column:1/-1}
}
@media (max-width:520px){
  body{font-size:16px}
  .hero .ctas .btn,.close .ctas .btn{flex:1 1 100%;justify-content:space-between}
  .foot .grid{grid-template-columns:1fr}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{transition-duration:.01ms!important;animation-duration:.01ms!important}
}

/* v10: film is full-bleed, no letterbox; hero canvas below text; clean masks */
.film-pin{background:var(--bg)}
.film-cap{bottom:calc(28px + env(safe-area-inset-bottom,0px))}
.hero .split-line,.hero-beats .split-line{padding-bottom:.12em;margin-bottom:-.12em}
.hero h1 .line{overflow:visible}
.close .pin{padding-block:clamp(120px,18vh,200px) clamp(80px,12vh,140px)}
.close{min-height:100dvh;display:grid}
.close .reel.end-reel{opacity:1}
.close .end-scrim{opacity:1}
.film-veil{position:absolute;inset:0;z-index:3;background:#F7F8FB;opacity:0;pointer-events:none}
.frag{padding-bottom:clamp(80px,10vw,140px)}

/* ---------- build: the brand film, rebuilt as a glass 3D scene ---------- */
.build{position:relative;border-top:1px solid var(--line);background:radial-gradient(120% 90% at 70% 40%,#FFFFFF 0%,var(--bg) 55%,var(--bg-2) 100%)}
.build-pin{min-height:100dvh;display:grid;align-items:center;padding-block:calc(var(--nav-h) + 28px) 40px;overflow:hidden}
.build-grid{display:grid;grid-template-columns:minmax(0,.8fr) minmax(0,1.2fr);gap:clamp(24px,4vw,72px);align-items:center}
.build h2{font-size:clamp(32px,3.8vw,60px);margin-top:14px}
.build-steps{margin-top:clamp(24px,3vw,40px);border-top:1px solid var(--line);counter-reset:s}
.build-steps li{display:grid;grid-template-columns:110px 1fr;gap:14px;padding:14px 0;border-bottom:1px solid var(--line);opacity:.38;transition:opacity .5s,transform .6s var(--ease)}
.build-steps li b{font:600 clamp(16px,1.3vw,19px)/1.35 var(--f-display);font-stretch:104%}
.build-steps li .mono{text-transform:uppercase;letter-spacing:.14em;color:var(--blue-ink);padding-top:3px}
.build-steps li.on{opacity:1;transform:translateX(10px)}
.build-meter{margin-top:22px;height:2px;background:var(--line);position:relative;overflow:hidden}
.build-meter i{position:absolute;inset:0;background:var(--blue);transform-origin:left;transform:scaleX(0)}
.build-stage{position:relative;aspect-ratio:4/3;width:100%;perspective:1400px}
.bs-rot{position:absolute;inset:0;transform-style:preserve-3d}
.bs-shadow{position:absolute;left:14%;right:14%;bottom:4%;height:10%;background:radial-gradient(closest-side,rgba(5,6,108,.16),transparent);filter:blur(6px)}
.scene{position:absolute;inset:0;transform-style:preserve-3d;opacity:0;visibility:hidden}
.glass,.pane,.layer{background:linear-gradient(135deg,rgba(255,255,255,.85),rgba(236,242,252,.55));border:1px solid rgba(7,10,46,.16);box-shadow:0 30px 60px -20px rgba(5,6,108,.25),inset 0 1px 0 rgba(255,255,255,.9);-webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px)}
.sc-web .pane{position:absolute;left:14%;top:12%;width:62%;height:62%;border-radius:10px;overflow:hidden}
.sc-web .p1{padding:10px}
.sc-web .dots{display:flex;gap:6px}.sc-web .dots b{width:8px;height:8px;border-radius:50%;background:rgba(7,10,46,.25)}
.sc-web .bar{display:block;height:10px;margin:10px 0 0 34px;width:55%;border-radius:5px;background:rgba(7,10,46,.1)}
.sc-web .p2 .side{position:absolute;left:6%;top:22%;width:20%;height:60%;border-radius:6px;background:rgba(7,10,46,.07)}
.sc-web .p2 .blk{position:absolute;left:32%;top:22%;width:60%;height:30%;border-radius:6px;background:rgba(11,95,224,.14)}
.sc-web .p2 .blk.s{top:58%;height:22%;width:28%;background:rgba(7,10,46,.08)}
.sc-web .p3 .hero-b{position:absolute;left:8%;top:18%;width:40%;height:10%;border-radius:4px;background:#05066C}
.sc-web .p3 .ln{position:absolute;left:8%;top:34%;width:52%;height:5%;border-radius:3px;background:rgba(7,10,46,.18)}
.sc-web .p3 .ln.s{top:44%;width:34%;background:#0B5FE0}
.sc-app .phone{position:absolute;left:36%;top:20%;width:28%;height:62%;border-radius:26px;background:linear-gradient(160deg,#fff,#E6EBF5);border:1px solid rgba(7,10,46,.18);box-shadow:0 40px 60px -24px rgba(5,6,108,.35)}
.sc-app .layer{position:absolute;left:34%;top:24%;width:32%;height:54%;border-radius:22px}
.sc-app .l3{display:grid;grid-template-columns:repeat(3,1fr);gap:10%;padding:14%;align-content:start}
.sc-app .l3 i{aspect-ratio:1;border-radius:24%;background:linear-gradient(145deg,#2E9BFF,#0142C9);box-shadow:0 8px 14px -6px rgba(1,66,201,.6)}
.sc-growth .floor{position:absolute;left:10%;right:10%;bottom:14%;height:46%;transform:rotateX(62deg);transform-origin:bottom;background:linear-gradient(rgba(7,10,46,.08) 1px,transparent 1px) 0 0/10% 20%,linear-gradient(90deg,rgba(7,10,46,.08) 1px,transparent 1px) 0 0/10% 20%;border:1px solid rgba(7,10,46,.12)}
.sc-growth .bars{position:absolute;left:14%;right:14%;bottom:18%;height:62%;display:flex;align-items:flex-end;gap:2.4%}
.sc-growth .bars i{flex:1;height:calc(var(--h)*100%);transform-origin:bottom;background:linear-gradient(90deg,#C9D2E4,#EEF2F8 45%,#B9C3D8);border:1px solid rgba(7,10,46,.14);box-shadow:6px 0 0 rgba(7,10,46,.06)}
.sc-growth .bars i:nth-child(n+8){background:linear-gradient(90deg,#1E6FF0,#5DA9FF 45%,#0B4FD0)}
.sc-growth .gline{position:absolute;left:14%;right:14%;bottom:18%;height:62%;width:72%;overflow:visible}
.sc-growth .gline path{fill:none;stroke:#0B5FE0;stroke-width:2.4;stroke-dasharray:1;stroke-dashoffset:1}
.sc-growth .gline circle{fill:#fff;stroke:#0B5FE0;stroke-width:2.4}
.sc-cloud svg{position:absolute;inset:6% 0;width:100%;height:88%;overflow:visible}
.sc-cloud .inf-base{fill:none;stroke:rgba(7,10,46,.1);stroke-width:14}
.sc-cloud .inf{fill:none;stroke:url(#gInf);stroke-width:5;stroke-linecap:round;stroke-dasharray:.35 .65;filter:drop-shadow(0 0 6px rgba(46,155,255,.6))}
.sc-cloud .nodes circle{fill:#fff;stroke:rgba(7,10,46,.18);filter:drop-shadow(0 10px 14px rgba(5,6,108,.18))}
.sc-cloud .nodes text{font:600 10px var(--f-mono);letter-spacing:.12em;fill:#05066C;text-anchor:middle}
.sc-cloud .runner{fill:#fff;stroke:#0B5FE0;stroke-width:3;filter:drop-shadow(0 0 8px #2E9BFF)}
@media (max-width:900px){
  .build-grid{grid-template-columns:1fr}
  .build-stage{order:-1;max-width:520px;margin-inline:auto}
  .build-steps li{grid-template-columns:80px 1fr}
}
/* bridge: the white page turns to night before the finale, no hard cut */
.bridge{height:38vh;margin-bottom:-1px;background:linear-gradient(180deg,var(--bg) 0%,#C8D2E8 30%,#1A2A6C 70%,#070E22 100%)}
.close{background:#070E22}
/* marquee, now printed on paper */
.marquee{background:var(--bg)}

/* ---------- nav: a floating glass instrument, not a standard header ---------- */
.nav{top:calc(12px + env(safe-area-inset-top,0px));left:50%;right:auto;width:min(1240px,calc(100% - 24px));transform:translateX(-50%);padding-top:0;transition:width .7s var(--ease),transform .6s var(--ease),background-color .4s,top .5s var(--ease)}
.nav .wrap{position:relative;height:60px;max-width:none;padding-inline:14px 8px;background:var(--nav-bg);-webkit-backdrop-filter:blur(16px) saturate(1.4);backdrop-filter:blur(16px) saturate(1.4);box-shadow:inset 0 0 0 1px var(--line-2),0 18px 40px -24px rgba(5,6,108,.35);clip-path:polygon(0 0,calc(100% - 14px) 0,100% 14px,100% 100%,14px 100%,0 calc(100% - 14px));gap:18px}
.nav.solid{background:none;box-shadow:none;-webkit-backdrop-filter:none;backdrop-filter:none}
.nav.compact{width:min(980px,calc(100% - 24px))}
.nav.hide{transform:translate(-50%,calc(-100% - 20px))}
.nav-prog{position:absolute;left:14px;right:14px;bottom:0;height:2px;background:var(--blue);transform-origin:left;transform:scaleX(0)}
.nav-links{position:relative;align-items:center;gap:4px}
.nav-links a{padding:8px 12px;display:block;z-index:1}
.nav-links a::after{display:none}
.nav-links a.active{color:var(--paper)}
.nav-ind{position:absolute;left:0;top:50%;height:34px;margin-top:-17px;width:0;background:rgba(11,95,224,.1);box-shadow:inset 0 -2px 0 var(--blue);transition:transform .6s var(--ease),width .6s var(--ease),opacity .3s;opacity:0;pointer-events:none}
.nav-chap{display:flex;align-items:baseline;gap:8px;text-transform:uppercase;letter-spacing:.14em;font-size:11px;min-width:128px;color:var(--mute)}
.nav-chap .odo{font:600 13px/1 var(--f-mono);color:var(--blue-ink)}
.nav .btn-p{--h:44px}
@media (max-width:1180px){.nav-chap{display:none}}
@media (max-width:1080px){.nav .wrap{padding-inline:14px 6px}}
/* cursor spotlight: a soft pool of light follows the hand across the paper */
.spot{position:fixed;inset:0;z-index:39;pointer-events:none;background:radial-gradient(420px circle at var(--mx,-999px) var(--my,-999px),rgba(11,95,224,.07),transparent 70%);mix-blend-mode:multiply}
@media (hover:none){.spot{display:none}}
.row{transition:transform .6s var(--ease),background-color .4s}
@media (hover:hover){.row:not(.best):hover{transform:translateX(10px);background:rgba(11,95,224,.04)}}
.hero{padding-top:calc(var(--nav-h) + 40px)}
.eq .num{font-variant-numeric:tabular-nums}

/* ================= v12: bigger type, instrument header, method phone, synapse layer ================= */
body{font-size:18px}
.mono{font-size:13px}
.label{font-size:13px}
.lede{font-size:clamp(18px,1.5vw,22px)}
.frag h2,.assembly h2,.build h2,.method h2,.packages h2,.work h2,.articles h2,.faq h2{font-size:clamp(42px,5.4vw,96px);line-height:.96}
.svc h3{font-size:clamp(18px,1.6vw,24px)}
.svc a{padding:13px 0}
.svc.on h3{color:var(--paper)}
.svc.on p{max-height:0;opacity:0}
.svc a:hover p{max-height:80px;opacity:1}
.assembly .pin{min-height:auto;padding-block:clamp(90px,10vw,150px)}
.assembly{background:transparent}
.row h3{font-size:clamp(24px,2.3vw,34px)}
.eq{font-size:clamp(44px,5vw,84px)}
.step h3{font-size:clamp(22px,2vw,30px)}

/* header: larger, a floating instrument */
.nav{--nav-h:76px;top:calc(14px + env(safe-area-inset-top,0px))}
.nav .wrap{height:76px;padding-inline:20px 10px;gap:22px}
.brand{height:44px;gap:14px}
.brand svg{height:40px;transition:transform .8s var(--ease)}
.brand img{height:22px}
.brand:hover svg{transform:rotate(-8deg) scale(1.06)}
.nav-links{font-size:16px}
.nav-links a{padding:10px 14px;font-weight:500}
.nav-ind{height:42px;margin-top:-21px}
.nav-chap{font-size:12px;min-width:150px}
.nav-chap .odo{font-size:16px}
.nav .btn-p{--h:52px;font-size:16px;padding:0 30px 0 22px}
.nav.compact{width:min(1100px,calc(100% - 24px))}
.nav.compact .wrap{height:64px}
.xhair .tl,.xhair .tr,.xhair .tc{top:104px}
.hero{padding-top:130px}
@media (max-width:1080px){.nav .wrap{height:64px}.brand svg{height:34px}.brand img{height:19px}}

/* method: a lab in a phone, pinned while the five steps run */
.method{padding-block:0;border-top:1px solid var(--line)}
.m-pin{min-height:100dvh;display:grid;align-items:center;padding-block:120px 40px}
.m-grid{display:grid;grid-template-columns:minmax(0,1.05fr) minmax(0,.95fr);gap:clamp(24px,5vw,90px);align-items:center}
.method .steps{display:block;margin-top:clamp(24px,3vw,40px);border-top:1px solid var(--line)}
.method .steps svg.path{display:none}
.method .step{display:grid;grid-template-columns:48px 1fr;gap:14px;padding:14px 0;border-bottom:1px solid var(--line);opacity:.35;transition:opacity .5s,transform .6s var(--ease)}
.method .step::before{display:none}
.method .step p{margin-top:4px;max-height:0;overflow:hidden;opacity:0;transition:max-height .6s var(--ease),opacity .4s}
.method .step.on{opacity:1;transform:translateX(12px)}
.method .step.on p{max-height:90px;opacity:1}
.method .step .mono{color:var(--blue-ink);padding-top:6px}
.m-device{position:relative;height:min(78vh,720px);display:grid;place-items:center;perspective:1400px}
.m-orbit{position:absolute;inset:0;display:grid;place-items:center;pointer-events:none}
.m-orbit i{position:absolute;border:1px solid rgba(7,10,46,.12);border-radius:50%;width:90%;aspect-ratio:1}
.m-orbit i:nth-child(2){width:70%;border-style:dashed}
.m-orbit i:nth-child(3){width:50%;border-color:rgba(11,95,224,.25)}
.phone3{position:relative;width:min(300px,62%);aspect-ratio:9/19;border-radius:44px;background:linear-gradient(150deg,#FFFFFF,#E3E8F3);border:1px solid rgba(7,10,46,.16);box-shadow:0 60px 80px -40px rgba(5,6,108,.45),inset 0 0 0 8px #0B0E2E,inset 0 0 0 9px rgba(255,255,255,.25);transform-style:preserve-3d;padding:14px}
.ph-notch{position:absolute;left:50%;top:18px;width:90px;height:22px;margin-left:-45px;border-radius:12px;background:#0B0E2E;z-index:3}
.ph-screen{position:relative;width:100%;height:100%;border-radius:32px;overflow:hidden;background:linear-gradient(180deg,#F9FBFF,#EAF0FA)}
.scr{position:absolute;inset:0;padding:54px 18px 18px;opacity:0}
.scr-t{font:700 22px/1 var(--f-display);font-stretch:110%;color:#070A2E}
.obs-rows{margin-top:22px;display:grid;gap:12px}
.obs-rows i{height:14px;border-radius:7px;background:linear-gradient(90deg,#0B5FE0 calc(var(--w)*100%),#DCE3F0 0)}
.lens{position:absolute;left:20%;top:30%;width:70px;height:70px;border-radius:50%;border:4px solid #05066C;box-shadow:0 0 0 999px rgba(247,248,251,0),inset 0 0 0 6px rgba(11,95,224,.15)}
.lens::after{content:"";position:absolute;right:-18px;bottom:-14px;width:26px;height:6px;border-radius:3px;background:#05066C;transform:rotate(45deg)}
.target{position:relative;margin:38px auto 0;width:180px;aspect-ratio:1}
.target i{position:absolute;inset:0;border-radius:50%;border:2px solid #05066C}
.target i:nth-child(2){inset:22%;border-color:#0B5FE0}.target i:nth-child(3){inset:42%;background:#0B5FE0;border:0}
.target b{position:absolute;left:50%;top:0;bottom:0;width:1px;background:rgba(7,10,46,.2)}
.dart{position:absolute;left:50%;top:50%;width:90px;height:4px;margin:26px 0 0 -4px;background:#070A2E;transform-origin:left;border-radius:2px}
.dart::after{content:"";position:absolute;right:-6px;top:-5px;border:7px solid transparent;border-left-color:#070A2E}
.tiles{margin-top:26px;display:grid;grid-template-columns:repeat(3,1fr);gap:12px}
.tiles i{aspect-ratio:1;border-radius:18px;background:linear-gradient(145deg,#2E9BFF,#0142C9);box-shadow:0 10px 16px -8px rgba(1,66,201,.6)}
.tiles i:nth-child(3n+2){background:linear-gradient(145deg,#1216A8,#05066C)}
.s-msr svg{margin-top:26px;width:100%;overflow:visible}
.s-msr .grid{stroke:rgba(7,10,46,.1);fill:none}
.s-msr .ln{fill:none;stroke:#0B5FE0;stroke-width:3;stroke-dasharray:1;stroke-dashoffset:1;stroke-linecap:round}
.mbars{display:flex;align-items:flex-end;gap:8px;height:90px;margin-top:18px}
.mbars i{flex:1;height:calc(var(--h)*100%);transform-origin:bottom;background:linear-gradient(#5DA9FF,#0B5FE0);border-radius:6px 6px 0 0}
.sl{position:relative;height:6px;border-radius:3px;background:#DCE3F0;margin-top:30px}
.sl i{position:absolute;left:0;top:0;bottom:0;width:calc(var(--p,.5)*100%);border-radius:3px;background:#0B5FE0}
.sl b{position:absolute;top:50%;left:calc(var(--p,.5)*100%);width:22px;height:22px;margin:-11px 0 0 -11px;border-radius:50%;background:#fff;box-shadow:0 4px 10px rgba(5,6,108,.3),inset 0 0 0 5px #0B5FE0}
.tg{display:inline-block;width:52px;height:30px;border-radius:15px;background:#DCE3F0;margin:30px 10px 0 0;position:relative}
.tg i{position:absolute;left:4px;top:4px;width:22px;height:22px;border-radius:50%;background:#fff;box-shadow:0 2px 6px rgba(5,6,108,.3);transition:transform .4s}
.tg.on{background:#0B5FE0}.tg.on i{transform:translateX(22px)}
.ph-shadow{position:absolute;bottom:2%;left:30%;right:30%;height:30px;background:radial-gradient(closest-side,rgba(5,6,108,.25),transparent);filter:blur(8px)}
.method .facts{margin-top:0;margin-bottom:clamp(80px,10vw,140px)}
@media (max-width:900px){
  .m-grid{grid-template-columns:1fr}
  .m-device{order:-1;height:42vh}
  .phone3{width:auto;height:100%}
  .m-pin{padding-bottom:20px}
  .method .step{padding:8px 0}
  .method .lede{display:none}
  .m-pin{padding-top:100px}
  .method .step p{max-height:none;opacity:1}
}

/* synapse layer: the universe and the hand, connected across the whole page */
.synapse{position:fixed;inset:0;width:100%;height:100%;z-index:0;pointer-events:none}
main,.foot{position:relative;z-index:1}
.build{background:radial-gradient(120% 90% at 70% 40%,rgba(255,255,255,.7) 0%,rgba(247,248,251,.4) 55%,rgba(237,240,246,.6) 100%)}
.marquee{background:transparent}
body{background:var(--bg)}
.close{border-top:0!important}.bridge+.close{margin-top:-1px}

/* ================= v13 ================= */
/* header links: display type, numbered, slash marker */
.nav-links{gap:2px}
.nav-links a{display:flex;align-items:flex-start;gap:3px;padding:10px 12px;font:600 17px/1 var(--f-display);font-stretch:108%;letter-spacing:.01em;text-transform:uppercase;color:var(--paper);opacity:.72;transition:opacity .3s,color .3s}
.nav-links a:hover,.nav-links a.active{opacity:1;color:var(--blue-ink)}
.nl-n{font:500 10px/1 var(--f-mono);letter-spacing:.06em;color:var(--blue-ink);margin-top:-2px}
.nav-ind{background:none;box-shadow:none;height:2px;margin-top:0;top:auto;bottom:6px;background-image:linear-gradient(90deg,var(--blue) 0 100%);transform-origin:left}
.nav-ind::before{content:"/";position:absolute;left:-10px;top:-24px;font:700 18px var(--f-display);color:var(--blue-ink)}
.nav .roll{line-height:1.05}
@media (max-width:1280px){.nav-links a{font-size:15px;padding:10px 9px}.nl-n{display:none}}
/* ghost words */
.has-ghost{position:relative;overflow:hidden;isolation:isolate}
.ghost{position:absolute;left:0;top:clamp(20px,6vw,90px);z-index:-1;pointer-events:none;white-space:nowrap;font:800 clamp(120px,20vw,340px)/.8 var(--f-display);font-stretch:120%;letter-spacing:-.04em;text-transform:uppercase;color:transparent;-webkit-text-stroke:1.2px rgba(7,10,46,.08)}
.method.has-ghost{overflow:visible}
.method>.ghost{top:120px}
/* proximity letters */
.display .ch{transition:font-variation-settings .35s var(--ease),color .3s;display:inline-block}
.display .split-line{overflow:visible}
/* drawn dividers */
.draw{position:relative}
.svc.draw,.row.draw,.topics a.draw,.team li.draw,.qa details.draw{border-bottom-color:transparent}
.draw::after{content:"";position:absolute;left:0;right:0;bottom:0;height:1px;background:var(--line-2);transform:scaleX(0);transform-origin:left;transition:transform 1.2s var(--ease)}
.draw.drawn::after{transform:scaleX(1)}
.qa .a{overflow:hidden}
/* footer name */
.foot-name{margin-top:48px;overflow:hidden;font:800 clamp(80px,17vw,300px)/.82 var(--f-display);font-stretch:118%;letter-spacing:-.045em;color:var(--paper);white-space:nowrap;text-align:center}
.foot-name span{display:inline-block}
.foot-name span:nth-child(n+5){color:var(--blue-ink)}
.brand{flex:none}.brand svg{width:auto;aspect-ratio:620/508;flex:none}
.nav .btn-p{flex:none}
.nav-links a{padding:10px 10px}
@media (max-width:1380px){.nav-chap{display:none}}
.nav{width:min(1340px,calc(100% - 24px))}
.nav.compact{width:min(1240px,calc(100% - 24px))}
@media (max-width:1600px){.nav-chap{display:none}}
.nav .wrap{justify-content:space-between}

/* ===== v14 physics graphics: every chapter has a live instrument ===== */
svg text{font-family:var(--f-mono)}
/* packages: launch diagram */
.packages .head{max-width:none;grid-template-columns:minmax(0,760px) minmax(0,1fr);column-gap:clamp(24px,4vw,64px);align-items:center}
.packages .head h2,.packages .head .lede{grid-column:1}
.pk-fig{grid-column:2;grid-row:1/3;margin:0;width:100%;max-width:560px;justify-self:end}
.launch{width:100%;height:auto;overflow:hidden;display:block}
.launch .stars circle{fill:var(--paper);opacity:.35}
.launch .pl-atm{fill:none;stroke:var(--blue);stroke-opacity:.12;stroke-width:14}
.launch .pl-body{fill:var(--bg-2);stroke:var(--paper);stroke-width:1.2}
.launch .mer,.launch .lat{fill:none;stroke:var(--line-2);stroke-width:1}
.launch .traj{fill:none;stroke:var(--line-2);stroke-width:1.4;stroke-dasharray:3 5}
.launch .traj.on{stroke:var(--blue);stroke-dasharray:none}
.launch .alt circle{fill:var(--paper)}
.launch .alt .ring{fill:none;stroke:var(--blue);stroke-width:1;transform-box:fill-box;transform-origin:center}
.launch .alt text,.launch .lz{font-size:10.5px;letter-spacing:.08em;fill:var(--mute);text-transform:uppercase}
.launch .alt.on text{fill:var(--blue-ink)}
.launch .alt.on>circle:first-child{fill:var(--blue)}
.launch .craft path{fill:var(--paper)}
.launch .craft.on path{fill:var(--blue)}
.launch .craft .ex{stroke:var(--blue);stroke-width:2.4;stroke-linecap:round;opacity:.55}
/* package icons */
.row>div:first-child{display:grid;grid-template-columns:auto minmax(0,1fr);column-gap:16px;align-items:center}
.row>div:first-child .pk-ico{grid-row:1/3}
.row>div:first-child h3,.row>div:first-child .tag{grid-column:2}
.pk-ico{width:clamp(44px,4vw,58px);height:auto;overflow:visible;fill:none;stroke:var(--paper);stroke-width:1.6;stroke-linecap:round}
.ico-m .seg{stroke:var(--line-2);stroke-width:4;stroke-linecap:butt}
.ico-m .seg.on{stroke:var(--blue)}
.ico-m .hub{fill:var(--paper);stroke:none}
.ico-s .gnd{stroke:var(--line-2)}.ico-s .shd{fill:var(--paper);stroke:none;opacity:.15}
.ico-s .cb{fill:var(--bg);stroke:var(--paper)}.ico-s .cs{stroke:var(--blue);stroke-width:1.5}
.ico-s .orb{stroke:var(--blue);stroke-width:1;stroke-dasharray:2 3}.ico-s .sat{fill:var(--blue);stroke:none}
.row.best .pk-ico{stroke:#fff}.row.best .ico-c .trk{stroke:rgba(255,255,255,.4)}.row.best .ico-c .knob{fill:#fff;stroke:none}
/* work: blueprint slots */
.case .frame{position:relative;overflow:hidden;place-items:end start;text-align:left;background:linear-gradient(var(--line) 1px,transparent 1px) 0 0/24px 24px,linear-gradient(90deg,var(--line) 1px,transparent 1px) 0 0/24px 24px,var(--bg)}
.case .frame .bp{position:absolute;inset:0;width:100%;height:100%;overflow:visible}
.case .frame span{position:relative;font-size:10.5px;background:var(--bg);padding:6px 8px;box-shadow:0 0 0 1px var(--line);max-width:30ch}
.bp *{vector-effect:non-scaling-stroke}
.bp .bx,.bp .bl,.bp .ac2{fill:none;stroke:var(--paper);stroke-width:1.2}
.bp .bl{stroke:var(--line-2)}.bp .gl{stroke:var(--line);stroke-dasharray:3 4}
.bp .bx{fill:rgba(247,248,251,.7)}
.bp .rot{transform-box:fill-box;transform-origin:center;transform:rotate(45deg);fill:none}
.bp .dt{fill:var(--line-2)}
.bp .tx{fill:var(--paper)}.bp .tx.t2{fill:var(--line-2)}
.bp .cta{fill:var(--blue)}
.bp .ac{fill:rgba(11,95,224,.08);stroke:var(--blue);stroke-width:1.2}
.bp .ac2{stroke:var(--blue);stroke-dasharray:4 4}
.bp .card{fill:#fff;stroke:var(--line-2);filter:drop-shadow(0 10px 18px rgba(7,10,46,.1))}
.bp .row1{fill:#fff;stroke:var(--line-2)}
.bp .spark,.bp .gline{fill:none;stroke:var(--blue);stroke-width:2;stroke-linecap:round;stroke-linejoin:round}
.bp .gline{stroke-width:2.6}
.bp .gdot{fill:var(--blue)}.bp .ring{fill:none;stroke:var(--blue);transform-box:fill-box;transform-origin:center}
.bp .bar{fill:var(--bg-3);transform-box:fill-box;transform-origin:50% 100%}
.bp .mkD{fill:var(--mark-d)}.bp .mkC{fill:none;stroke:var(--blue);stroke-width:9;stroke-linejoin:miter}
.bp .sw.s1{fill:var(--blue)}.bp .sw.s2{fill:var(--blue-deep)}.bp .sw.s3{fill:var(--paper)}
/* origin: compass */
.compass{grid-column:9/13;grid-row:1;margin:0;align-self:center;justify-self:end;width:min(260px,100%);display:grid;gap:10px;justify-items:center}
.compass svg{width:100%;height:auto;overflow:visible}
.compass .cp-o{fill:#fff;stroke:var(--paper);stroke-width:1.2}
.compass .cp-i{fill:none;stroke:var(--line-2)}
.compass .tk{stroke:var(--line-2);stroke-width:1}.compass .tk.M{stroke:var(--paper);stroke-width:1.6}
.compass text{font-size:12px;font-weight:500;text-anchor:middle;fill:var(--paper)}
.compass .tm{fill:var(--bg);stroke:var(--blue);stroke-width:1.4;transition:fill .3s}
.compass .tm.on{fill:var(--blue)}
.compass .nN{fill:var(--blue)}.compass .nS{fill:var(--paper)}.compass .hub{fill:#fff;stroke:var(--paper);stroke-width:1.4}
.compass figcaption{font-size:12px;letter-spacing:.08em;color:var(--mute)}
.compass .cp-h{color:var(--paper);font-weight:500}
/* idea: the depth tunnel */
.idea{grid-template-columns:minmax(150px,.5fr) minmax(0,1fr) minmax(0,1.2fr);align-items:center;overflow:hidden}
.idea-fx{position:relative;aspect-ratio:1;width:100%;max-width:240px;background:var(--bg);box-shadow:inset 0 0 0 1px var(--line-2)}
.idea-fx canvas{position:absolute;inset:0;width:100%;height:100%;display:block}
/* articles: topic instruments */
.topics a{grid-template-columns:auto minmax(0,1fr) auto}
.tp-ico{width:clamp(38px,4.6vw,70px);height:auto;overflow:visible;fill:none;stroke-linecap:round;stroke-linejoin:round}
.tp-ico .ln{stroke:currentColor;stroke-width:2.4}
.tp-ico .ac{stroke:var(--blue);stroke-width:2.4;fill:none}
.tp-ico .acf,.tp-ico .pulse{fill:var(--blue)}
.tp-ico .nd{fill:var(--bg);stroke:currentColor;stroke-width:2.2}
.tp-ico .e{stroke-width:1.4}
.tp-ico .sw1,.tp-ico .gem,.tp-ico .arw{transform-box:view-box}
/* faq: newton's cradle */
.faq .wrap>div:first-child{position:sticky;top:calc(var(--nav-h) + 30px)}
.faq h2{position:static}
.cradle{margin:clamp(28px,4vw,56px) 0 0;width:min(300px,100%);cursor:pointer;display:grid;gap:8px}
.cradle svg{width:100%;height:auto;overflow:visible}
.cradle .bar{stroke:var(--paper);stroke-width:3;stroke-linecap:round}
.cradle .str{stroke:var(--line-2);stroke-width:1}
.cradle .ball{fill:var(--paper)}
.cradle .bob:first-child .ball,.cradle .bob:last-child .ball{fill:var(--blue)}
.cradle .bsh{fill:var(--paper);opacity:.12}
.cradle figcaption{font-size:11.5px;letter-spacing:.06em;color:var(--mute)}
/* close: nine disciplines orbit the mark and are pulled in */
.close .mk{position:relative}
.close .mk .mk-svg{position:relative;z-index:1}
.close .c-orbit{position:absolute;left:50%;top:33%;width:min(980px,110vw);height:auto;transform:translate(-50%,-50%);z-index:-1;overflow:visible;pointer-events:none}
.c-orbit .on-e{fill:none;stroke:rgba(255,255,255,.14);stroke-dasharray:2 6}
.c-orbit .on-l{stroke:#4C8DFF;stroke-width:1;opacity:0}
.c-orbit .on-d{fill:#4C8DFF}
.c-orbit text{font-size:13px;letter-spacing:.1em;text-transform:uppercase;fill:rgba(255,255,255,.72);text-anchor:middle}
@media (max-width:1080px){.compass{width:min(210px,100%)}}
@media (max-width:900px){
  .packages .head{grid-template-columns:1fr}
  .pk-fig{grid-column:1;grid-row:auto;justify-self:stretch;max-width:none;margin-top:12px}
  .compass{grid-column:1/-1;grid-row:auto;justify-self:start;width:min(220px,62vw)}
  .idea{grid-template-columns:1fr}
  .idea-fx{max-width:none;aspect-ratio:auto;height:190px}
  .faq .wrap>div:first-child{position:static}
  .cradle{width:min(260px,80%)}
  .c-orbit text{font-size:22px}
}
@media (max-width:520px){.c-orbit text{display:none}.topics a span.mono{display:none}}
html{overflow-x:clip}

/* ===== v15 type scale: h1 > h2 > h3 > h4, and h4 is the smallest title anywhere on the page =====
   One fluid scale from a 360px phone to a 1920px screen. Every title-like element maps to a step. */
:root{
  --fs-h1:clamp(44px,calc(26px + 4.9vw),112px);
  --fs-h2:clamp(38px,calc(22px + 4.2vw),96px);
  --fs-h3:clamp(28px,calc(18px + 1.55vw),44px);
  --fs-h4:clamp(20px,calc(15px + .62vw),27px);
  --fs-body:clamp(16px,calc(14.6px + .22vw),18.5px);
  --fs-sm:clamp(14.5px,calc(13.6px + .15vw),16px);
  --fs-meta:clamp(12.5px,calc(12px + .1vw),14px);
}
body{font-size:var(--fs-body)}
.hero h1{font-size:var(--fs-h1)}
.frag h2,.assembly h2,.assembly header h2,.build h2,.method h2,.packages h2,.work h2,.articles h2,.faq h2{font-size:var(--fs-h2)}
.origin blockquote{font-size:clamp(40px,calc(22px + 4.6vw),100px)}
/* h3 step: section-level sub titles */
.row h3,.step h3,.idea h3{font-size:var(--fs-h3)}
.idea h3{line-height:1.08}
/* h4 step: the floor. Card, list and question titles never go below it */
.svc h3,.case h3,.piece b,.qa summary,.build-steps li b,.scr-t{font-size:var(--fs-h4);line-height:1.25}
.frag .verdict,.word .thesis{font-size:max(var(--fs-h4),clamp(26px,calc(16px + 1.6vw),46px))}
.foot h4{font:600 var(--fs-h4)/1.2 var(--f-display);font-stretch:108%;letter-spacing:-.01em;text-transform:none;color:#fff;margin-bottom:18px}
.foot .contact a{font-size:var(--fs-h4)}
/* running text and meta scale with it */
.lede{font-size:clamp(18px,calc(15.5px + .45vw),23px)}
.svc p,.case p,.row .terms,.step p,.team li,.team a.more,.packages .after,.foot,.origin .story,.idea p,.qa .a{font-size:var(--fs-sm)}
.origin .story{font-size:var(--fs-body)}
.idea p,.qa .a{font-size:var(--fs-body)}
.mono,.label,.eq small,.svc .n,.word dt,.case .frame span,.compass figcaption,.cradle figcaption,.foot .base,.stage .status{font-size:var(--fs-meta)}
.row .tag{font-size:var(--fs-meta)}
.eq{font-size:clamp(36px,calc(16px + 2.4vw),58px);white-space:nowrap}
.btn{font-size:clamp(15px,calc(14px + .2vw),17px)}
/* svg labels: drawn in viewBox units, sized up so they stay legible when the figure shrinks */
.launch .alt text,.launch .lz{font-size:13px}
.compass text{font-size:14px}
.c-orbit text{font-size:15px}
/* layouts that must breathe with the larger titles */
.row{grid-template-columns:minmax(260px,1.15fr) minmax(0,1.35fr) minmax(0,1fr) 250px;column-gap:clamp(20px,2.6vw,48px)}
.row .btn{justify-self:end}
.foot .grid{gap:clamp(28px,4vw,56px)}
@media (max-width:1279px){
  .row{grid-template-columns:minmax(230px,1fr) minmax(0,1.35fr) minmax(0,1fr)}
  .row .btn,.row .slot{grid-column:1/-1;justify-self:start}
  .row .slot{display:none}
}
@media (max-width:900px){
  .row{grid-template-columns:1fr}
  .eq{white-space:normal}
  .c-orbit text{font-size:24px}
  .launch .alt text,.launch .lz{font-size:15px}
}
@media (max-width:520px){
  .launch .alt text{font-size:17px}.launch .lz{display:none}
  .topics a{gap:14px}
}

/* ===== v16 height-aware pinned chapters =====
   Pinned chapters hold the screen, so everything in them must fit the viewport HEIGHT as well as the
   width (laptops at 125% scaling give ~1536x740, small laptops ~1366x650). Sizes use min(width, height). */
@media (min-width:901px){
  .hero h1{font-size:min(var(--fs-h1),11.2vh)}
  .hero{padding-top:calc(var(--nav-h) + min(54px,6vh))}
  .hero .lede{margin-top:min(28px,3vh)}.hero .ctas{margin-top:min(40px,4vh)}
  .hero-mark{max-width:min(560px,64vh)}
  .build h2,.assembly h2,.assembly header h2,.method h2{font-size:min(var(--fs-h2),9.6vh);max-width:none}
  .build-pin,.m-pin,.assembly .pin{padding-block:calc(var(--nav-h) + min(36px,4vh)) min(32px,3.5vh)}
  .build-stage{max-width:calc(62vh * 4 / 3);justify-self:center}
  .stage{max-width:min(640px,74vh)}
  .m-device{height:calc(100vh - var(--nav-h) - 90px);max-height:720px}
  .phone3{height:min(100%,640px);width:auto}
  .svc a{padding-block:min(13px,1.25vh)}
  .svc h3{font-size:min(var(--fs-h4),max(20px,2.9vh))}
  .build-steps li,.method .step{padding-block:min(14px,1.5vh)}
  .svc-list,.build-steps,.method .steps{margin-top:min(40px,3.4vh)}
}
@media (min-width:901px) and (max-height:820px){
  .assembly header p,.method .lede{display:none}
  .build h2{margin-top:6px}
}
@media (min-width:901px) and (max-height:680px){
  .method .step p,.build-steps li span:not(.mono){font-size:14px}
  .hero .lede{display:none}
}
/* phones held sideways: pinned chapters would not fit, let them flow */
@media (max-width:900px) and (orientation:portrait){
  .m-device{height:min(42vh,420px)}
  .stage{max-width:min(420px,40vh)}
}
@media (min-width:901px){
  .method .drop{display:none}
  .method .step h3{font-size:min(var(--fs-h3),max(var(--fs-h4),4vh));line-height:1.1}
  .method .step.on p{max-height:60px}
  .build h2{font-size:min(var(--fs-h2),8.6vh)}
  .build-steps li b{font-size:min(var(--fs-h4),max(20px,2.7vh))}
}
@media (min-width:901px) and (max-height:720px){
  .svc a{padding-block:5px}.svc h3{line-height:1.15}
  .assembly h2,.method h2{font-size:min(var(--fs-h2),8.6vh)}
  .build-steps li,.method .step{padding-block:6px}
  .method .step p{font-size:14px}
}
.svc a{row-gap:0}
.svc a:hover p{margin-top:6px}
@media (min-width:901px){
  .svc h3{font-size:min(var(--fs-h4),max(20px,2.6vh))}
  .svc a{padding-block:min(12px,1.1vh)}
  .assembly h2{font-size:min(var(--fs-h2),8.2vh)}
  .method .step h3{font-size:min(var(--fs-h3),max(var(--fs-h4),3.2vh))}
}
@media (min-width:901px) and (max-height:1150px){.assembly header p,.method .lede{display:none}}
@media (min-width:901px) and (max-width:1180px){.build-grid{grid-template-columns:minmax(0,1fr) minmax(0,1fr)}}
@media (min-width:901px) and (max-width:1180px){.assembly .wrap{grid-template-columns:minmax(0,1fr) minmax(0,1fr)}}
@media (min-width:901px) and (max-height:680px){.assembly h2,.method h2{font-size:min(var(--fs-h2),7.6vh)}}
@media (min-width:901px){.assembly header h2{font-size:min(var(--fs-h2),8.2vh)}}
@media (min-width:901px) and (max-height:720px){.assembly header h2{font-size:min(var(--fs-h2),8.6vh)}}
@media (min-width:901px) and (max-height:680px){.assembly header h2{font-size:min(var(--fs-h2),7.6vh)}}
/* phones and portrait tablets: the pinned chapters (hero, build, method) must fit the visible screen.
   svh = the height with the browser bars showing, so nothing hides behind them */
@media (max-width:900px){
  .hero{padding-top:calc(var(--nav-h) + 2svh)}
  .hero-mark{width:min(72%,30svh);max-width:none}
  .hero h1{font-size:min(var(--fs-h1),6.4svh,11vw)}
  .hero .lede{margin-top:1.6svh;font-size:min(18px,2.5svh)}.hero .ctas{margin-top:2.4svh;gap:10px}
  .hero .ctas .btn{padding-block:min(16px,1.8svh)}
  .build-pin,.m-pin{padding-block:calc(var(--nav-h) + 1.5svh) 1.5svh}
  .build-stage{max-width:min(520px,calc(28svh * 4 / 3))}
  .build h2,.method h2{font-size:min(var(--fs-h2),5.4svh,9.6vw)}
  .build-steps{margin-top:1.6svh}.build-steps li{padding-block:min(10px,1.1svh)}
  .build-steps li b{font-size:min(var(--fs-h4),max(17px,2.4svh))}
  .m-device{height:min(30svh,420px)}
  .method .label{display:none}
  .method .steps{margin-top:1.6svh}
  .method .step{padding-block:min(10px,1.1svh)}
  .method .step h3{font-size:min(var(--fs-h4),max(18px,2.7svh))}
  .method .step p{max-height:0;opacity:0}
  .method .step.on p{max-height:70px;opacity:1}
}
@media (max-width:900px){
  .hero .ctas .btn{flex:1 1 0;min-width:0;justify-content:center;gap:8px;padding-inline:12px;font-size:15px;white-space:nowrap}
  .build-stage{max-width:min(520px,calc(24svh * 4 / 3))}
  .build-steps li{grid-template-columns:64px 1fr}
  /* method: title across, steps left, the phone beside them */
  .m-grid{grid-template-columns:minmax(0,1fr) auto;column-gap:14px;align-items:center}
  .m-copy{display:contents}
  .m-copy h2{grid-column:1/-1;grid-row:1}
  .m-copy .lede{display:none}
  .method .steps{grid-column:1;grid-row:2;align-self:center}
  .m-device{order:0;grid-column:2;grid-row:2;height:auto;width:auto}
  .phone3{width:240px;height:auto;zoom:.6}
  .m-orbit{display:none}
}
@media (max-width:900px) and (min-height:760px){.phone3{zoom:.7}}
@media (min-width:600px) and (max-width:900px){.phone3{zoom:.85}}
@media (max-width:900px){.method .step.on p{max-height:130px}}
@media (max-width:900px) and (max-height:700px){.build-stage{max-width:calc(20svh * 4 / 3)}.build-steps li b{font-size:17px}}

/* language switch in the header and the mobile sheet */
.nav-lang{display:flex;gap:4px;margin-inline:10px}
.nav-lang a{font-family:var(--f-mono);font-size:13px;letter-spacing:.06em;padding:6px 8px;color:var(--mute);transition:color .3s}
.nav-lang a:hover{color:var(--paper)}
.nav-lang a.on{color:var(--paper);box-shadow:inset 0 0 0 1px var(--line-2)}
.nav.on-dark .nav-lang a{color:rgba(255,255,255,.6)}
.nav.on-dark .nav-lang a.on{color:#fff;box-shadow:inset 0 0 0 1px rgba(255,255,255,.3)}
.sheet-langs{display:flex;gap:16px;margin-top:22px}
.sheet-langs a{font-size:14px;letter-spacing:.08em;color:var(--mute)}
.sheet-langs a.on{color:var(--blue-ink)}
@media (max-width:1080px){.nav-lang{margin-inline:auto 6px}}

/* ===== v17 header: one row at every width, no wrapped labels ===== */
.nav .wrap{min-width:0}
.nav nav{min-width:0;flex:0 1 auto}
.nav-links{flex-wrap:nowrap;min-width:0}
.nav-links a{white-space:nowrap}
.nav-links .nl-t{white-space:nowrap}
/* the chapter read-out only appears when there is real room left for it */
.nav-chap{display:none}
@media (min-width:1800px){
  .nav-chap{display:flex}
  .nav{width:min(1560px,calc(100% - 24px))}
  .nav.compact{width:min(1460px,calc(100% - 24px))}
}
@media (min-width:1500px) and (max-width:1799px){
  .nav{width:min(1440px,calc(100% - 24px))}
  .nav.compact{width:min(1340px,calc(100% - 24px))}
}
@media (max-width:1499px){
  .nav-links a{padding-inline:8px}
  .nl-n{display:none}
}
@media (max-width:1320px){
  .nav-links a{font-size:15px;padding-inline:7px}
  .nav-lang{margin-inline:6px}
}
/* below this the labels would be cramped, so the menu button takes over */
@media (max-width:1200px){
  .nav-links{display:none}
  .menu-btn{display:block}
  .nav .btn-p{display:inline-flex}
  .nav-lang{margin-inline:auto 8px}
}
@media (max-width:640px){
  .nav .btn-p{display:none}
}

/* ===== v18 nav: a viewfinder that locks onto the section you are reading ===== */
.nav-links{--ret:0}
.nav-links a{transform:translate3d(var(--mx-l,0px),var(--my-l,0px),0);transition:opacity .3s,color .3s,transform .5s var(--ease)}
.nl-t{position:relative;display:block;overflow:hidden;height:1em;line-height:1}
.nl-a,.nl-b{display:block;transition:transform .55s var(--ease)}
.nl-b{position:absolute;left:0;top:0;transform:translateY(112%);color:var(--blue-ink)}
@media (hover:hover){
  .nav-links a:hover .nl-a{transform:translateY(-112%)}
  .nav-links a:hover .nl-b{transform:translateY(0)}
}
/* the reticle: four corner ticks that travel, plus the reading meter of the open section */
.nav-ind{background:none;box-shadow:none;height:32px;margin-top:-16px;transition:opacity .35s}
.nav-ind i{position:absolute;width:9px;height:9px;border:1.5px solid var(--blue);opacity:.9}
.nav-ind .ni-tl{left:0;top:0;border-right:0;border-bottom:0}
.nav-ind .ni-tr{right:0;top:0;border-left:0;border-bottom:0}
.nav-ind .ni-bl{left:0;bottom:0;border-right:0;border-top:0}
.nav-ind .ni-br{right:0;bottom:0;border-left:0;border-top:0}
.nav-ind .ni-fill{left:0;right:0;bottom:-1px;width:auto;height:2px;border:0;background:var(--blue);
  transform:scaleX(var(--fill,0));transform-origin:left;opacity:1;transition:transform .25s linear}
.nav-ind.lock i{animation:niLock .5s var(--ease)}
@keyframes niLock{0%{transform:scale(1.35)}60%{transform:scale(.94)}100%{transform:scale(1)}}
/* the wordmark steps aside once you are reading, so the labels get the room */
.nav .brand img{transition:max-width .6s var(--ease),opacity .4s;max-width:200px}
.nav.compact .brand img{max-width:0;opacity:0}
.nav.compact .nav-chap{opacity:1;transform:translateX(0)}
.nav-chap{opacity:0;transform:translateX(10px);transition:opacity .5s,transform .6s var(--ease)}
@media (prefers-reduced-motion:reduce){
  .nav-links a,.nl-a,.nl-b,.nav-ind,.nav .brand img,.nav-chap{transition-duration:.01ms}
  .nav-ind.lock i{animation:none}
  .nav-links a:hover .nl-a{transform:none}
  .nav-links a:hover .nl-b{transform:translateY(112%)}
}

/* ===== v19 nav: the menu leaves the bar and becomes the page's own scale ===== */
/* The bar keeps the mark, the chapter read-out and the one action. The sections
   move to a rail on the right edge, where each tick is as long as that section
   is tall - so the menu is also a map of how much page is left. */
.rail-nav{display:none}
@media (min-width:1200px) and (hover:hover) and (pointer:fine){
  html.rail .rail-nav{display:flex;position:fixed;right:0;top:0;height:100svh;width:92px;z-index:60;
    align-items:center;justify-content:flex-end;pointer-events:none}
  html.rail .rail-nav .nav-links{flex-direction:column;align-items:flex-end;gap:0;pointer-events:auto;
    padding:20px 22px 20px 0;background:none;position:relative}
  html.rail .rail-nav .nav-links::before{content:"";position:absolute;right:22px;top:0;bottom:0;width:1px;
    background:linear-gradient(180deg,transparent,var(--line-2) 12%,var(--line-2) 88%,transparent)}
  html.rail .rail-nav .nav-ind{position:absolute;right:22px;left:auto;top:0;margin:0;width:44px;height:2px;
    background:var(--blue);box-shadow:0 0 14px rgba(11,95,224,.55);opacity:0;transition:opacity .3s}
  html.rail .rail-nav .nav-ind i{display:none}
  html.rail .rail-nav li{display:block}
  html.rail .rail-nav a{--len:26px;--fill:0;position:relative;display:flex;align-items:center;
    justify-content:flex-end;height:30px;padding-left:46px;opacity:1;color:var(--paper);transform:none}
  html.rail .rail-nav .nl-n{display:none}
  html.rail .rail-nav .nl-t{position:absolute;right:calc(100% - 46px + var(--len) + 16px);top:50%;
    transform:translateY(-50%) translateX(12px);height:auto;overflow:visible;
    font:600 13px/1 var(--f-display);font-stretch:94%;letter-spacing:.16em;text-transform:uppercase;
    white-space:nowrap;opacity:0;transition:opacity .4s var(--ease),transform .5s var(--ease),color .3s}
  html.rail .rail-nav .nl-b{display:none}
  html.rail .rail-nav a::after{content:"";display:block;position:static;left:auto;right:auto;bottom:auto;
    transform:none;width:var(--len);height:2px;background:currentColor;opacity:.7;
    transition:opacity .3s,width .2s var(--ease)}
  html.rail .rail-nav a::before{content:"";position:absolute;right:0;top:50%;margin-top:-1px;
    width:var(--len);height:2px;background:var(--blue);transform:scaleX(var(--fill));
    transform-origin:right;opacity:0}
  html.rail .rail-nav a:hover .nl-t,html.rail .rail-nav a:focus-visible .nl-t{opacity:1;transform:translateY(-50%) translateX(0);color:var(--paper)}
  html.rail .rail-nav a:hover::after{opacity:1}
  html.rail .rail-nav a.active{color:var(--blue-ink)}
  html.rail .rail-nav a.active .nl-t{opacity:1;transform:translateY(-50%) translateX(0);color:var(--blue-ink)}
  html.rail .rail-nav a.active::after{opacity:.22}
  html.rail .rail-nav a.active::before{opacity:1}
  /* inner pages keep the rail's width free, so a label never lands on the content */
  html.rail main.inner .wrap{padding-right:calc(var(--gut) + 86px)}
  /* with the menu gone the bar has nothing to span: it shrinks to a floating plate */
  .nav.rail{width:auto;max-width:calc(100% - 160px)}
  .nav.rail.compact{width:auto}
  .nav.rail .wrap{justify-content:flex-start;gap:clamp(16px,2vw,32px);padding-inline:16px 8px}
  .nav.rail .wrap::after{content:"";position:absolute;left:0;right:0;top:0;bottom:0;pointer-events:none}
  .nav.rail .nav-chap{display:flex;opacity:1;transform:none;margin-left:auto;min-width:0;
    font-size:12px;letter-spacing:.18em}
  .nav.rail .nav-chap .odo{font-size:15px}
  .nav.rail.compact .brand img{max-width:0;opacity:0}
  .dk html.rail .rail-nav a,html.rail .dk .rail-nav a{color:var(--faint)}
}
@media (prefers-reduced-motion:reduce){
  html.rail .rail-nav .nl-t,html.rail .rail-nav a::after{transition-duration:.01ms}
}

/* ===== v20: the price note keeps its distance from the amount ===== */
.eq small{margin-left:.5em}