:root{
  --paper:#FAFBFD; --white:#FFFFFF; --ink:#1B2030; --ink2:#4A5365;
  --blue:#1F4FD8; --yellow:#FFC400; --red:#D92B26;
  --line:#6F9BD3; --linetext:#3F70B3; --tint:#EAF1FB; --rule:#B8C6DA;
  --grid1:#E4EDF8; --grid2:#CBDBF1;
  --tell:#D92B26;
  --display:"Bricolage Grotesque",system-ui,sans-serif; --body:"Source Serif 4",Georgia,serif; --hand:"Caveat","Bradley Hand",cursive;
  --bw:2px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth;color-scheme:light}
body{margin:0;color:var(--ink);font:400 1.125rem/1.65 var(--body);-webkit-font-smoothing:antialiased;
  background-color:var(--paper);
  background-image:
    linear-gradient(var(--grid2) 1px,transparent 1px),linear-gradient(90deg,var(--grid2) 1px,transparent 1px),
    linear-gradient(var(--grid1) 1px,transparent 1px),linear-gradient(90deg,var(--grid1) 1px,transparent 1px);
  background-size:100px 100px,100px 100px,20px 20px,20px 20px}
a{color:inherit;text-decoration-thickness:1px;text-underline-offset:.2em}
a:focus-visible,button:focus-visible{outline:3px solid var(--ink);outline-offset:3px;box-shadow:0 0 0 6px var(--white)}
.skip{position:absolute;left:-999px;top:0;background:var(--ink);color:#fff;padding:.6rem 1rem;z-index:10}
.skip:focus{left:0}
.wrap{max-width:72rem;margin:0 auto;padding:0 1.25rem}
h1,h2,h3,.mark,.btn,.ftitle,.rtitle,.otitle,.facts dt,.formhead,.rtab,.nextcard,.fmeta,.ometa,.thead,.memolabel,.reg{font-family:var(--display)}
h1{font-size:clamp(2.3rem,5.4vw,4.2rem);line-height:1.02;letter-spacing:-.03em;font-weight:800;margin:0 0 1.25rem;max-width:16ch}
h2{font-size:clamp(1.6rem,3vw,2.1rem);letter-spacing:-.02em;font-weight:800;margin:3.5rem 0 1.25rem;line-height:1.15}
h3{font-size:1.35rem;font-weight:800;letter-spacing:-.01em;margin:3.5rem 0 1.25rem}
.lede{font-size:1.2rem;max-width:34rem;color:var(--ink2);margin:0 0 1.5rem}

/* Color pockets. Fill colors are flat, like marker on a planning sheet; large pockets get a faint hatch. */
.c-blue{background-color:var(--blue);color:#fff;--h:rgba(255,255,255,.14)}
.c-yellow{background-color:var(--yellow);color:var(--ink);--h:rgba(0,0,0,.07)}
.c-red{background-color:var(--red);color:#fff;--h:rgba(255,255,255,.14)}
.fcard,.sheet-title,.nextcard,.contact{background-image:repeating-linear-gradient(115deg,var(--h) 0 2px,transparent 2px 8px)}

/* header */
.top{background:var(--white);border-bottom:var(--bw) solid var(--ink)}
.bar{display:flex;justify-content:space-between;align-items:center;padding-top:.8rem;padding-bottom:.8rem}
.mark{display:flex;align-items:center;gap:.65rem;font-weight:800;text-decoration:none;font-size:1.2rem;letter-spacing:-.01em;white-space:nowrap}
.pips{display:flex;gap:3px}
.pips i{width:12px;height:12px;border:1.5px solid var(--ink);display:block}
.pips i:nth-child(1){background:var(--blue)}.pips i:nth-child(2){background:var(--yellow)}.pips i:nth-child(3){background:var(--red)}
nav{display:flex;gap:.5rem}
nav a{text-decoration:none;font-family:var(--display);font-weight:700;font-size:1rem;padding:.3rem .8rem;border:1.5px solid var(--ink);background:var(--white)}
nav a:hover{background:var(--yellow)}

/* hero */
.hero{padding:5rem 0 3.25rem}
.herogrid{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.05fr);gap:3.5rem;align-items:center}
.cta{display:flex;gap:.75rem;flex-wrap:wrap;margin:0}
.btn{display:inline-block;background:var(--ink);color:#fff;padding:.7rem 1.2rem;text-decoration:none;font-weight:800;font-size:1rem;border:var(--bw) solid var(--ink)}
.btn.ghost{background:var(--white);color:var(--ink)}
.btn:hover{background:var(--yellow);color:var(--ink)}
.arena{margin:0;position:relative;background:var(--white);border:var(--bw) solid var(--ink)}
/* thin blueprint frame around the demo, with a tiny label, like the registration marks on a poster layout */
.arena::before{content:"";position:absolute;inset:-16px;border:1px solid var(--line);pointer-events:none}
.reg{position:absolute;top:-24px;left:24px;background:var(--paper);padding:0 .4rem;font-size:.72rem;font-weight:500;color:var(--linetext);line-height:16px}
.formhead{display:flex;justify-content:space-between;align-items:baseline;gap:1rem;padding:.45rem .9rem;background:var(--tint);border-bottom:var(--bw) solid var(--ink);font-size:.95rem}
.formhead strong{font-weight:800}.formhead span{font-size:.85rem;color:var(--ink2);font-weight:500}
.note{position:absolute;right:1rem;top:-4.3rem;margin:0;font-family:var(--hand);font-weight:700;font-size:1.4rem;line-height:1;color:var(--ink);transform:rotate(-2deg);white-space:nowrap;display:flex;align-items:flex-end;gap:.4rem}
.note svg{flex:none;margin-bottom:-1.9rem;width:44px;height:38px}
.arena figcaption{font-size:.95rem;color:var(--ink2);padding:.6rem .9rem .7rem;border-top:var(--bw) solid var(--ink)}

/* work */
.work{padding-bottom:5rem}
.work h2{margin-top:1rem}
.flist,.rlist,.table{list-style:none;margin:0;padding:0}
.flist{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:1.5rem}
.fcard{display:flex;flex-direction:column;gap:.5rem;height:100%;min-height:17rem;padding:1.4rem;border:var(--bw) solid var(--ink);text-decoration:none}
.fcard:hover,.rcard:hover,.nextcard:hover{outline:3px solid var(--ink);outline-offset:3px}
.ftitle{font-size:clamp(1.8rem,2.6vw,2.4rem);font-weight:800;letter-spacing:-.025em;line-height:1.05}
.fmeta{font-weight:700;font-size:1rem;margin-top:auto;border-top:1.5px solid currentColor;padding-top:.7rem}
.fblurb{font-size:1rem;line-height:1.5}
.rlist{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:1.5rem}
.rcard{display:flex;flex-direction:column;gap:.35rem;height:100%;background:var(--white);border:var(--bw) solid var(--ink);padding:0 0 1.2rem;text-decoration:none}
.rtab{align-self:flex-start;border-right:var(--bw) solid var(--ink);border-bottom:var(--bw) solid var(--ink);padding:.25rem .9rem;font-weight:700;font-size:.95rem;margin-bottom:.6rem}
.rtitle{font-size:1.7rem;font-weight:800;letter-spacing:-.02em;line-height:1.1;padding:0 1.2rem}
.rblurb{padding:0 1.2rem;color:var(--ink2);font-size:1rem;line-height:1.5}
/* earlier work: a data table with a header row */
.table{background:var(--white);border:var(--bw) solid var(--ink)}
.thead,.trow{display:grid;grid-template-columns:14px minmax(0,1.1fr) minmax(0,.9fr) minmax(0,1.8fr);gap:.25rem 1.25rem;align-items:baseline;padding:.85rem 1.2rem}
.thead{background:var(--tint);border-bottom:var(--bw) solid var(--ink);padding-top:.5rem;padding-bottom:.5rem;font-size:.85rem;font-weight:700;list-style:none}
.trow{text-decoration:none}
.table li+li .trow{border-top:1px solid var(--rule)}
.table .thead + li .trow{border-top:0}
.trow:hover{background:var(--tint)}
.pip{width:14px;height:14px;border:1.5px solid var(--ink);display:inline-block;align-self:center}
.otitle{font-weight:800;font-size:1.1rem}
.ometa{font-weight:500;font-size:.95rem;color:var(--ink2)}
.oblurb{color:var(--ink2);font-size:1rem;line-height:1.5}

/* project page: a planning-sheet header, then one panel per section */
.project{padding-bottom:5rem;padding-top:2rem}
.crumb{margin:0 0 1.5rem;font-family:var(--display);font-weight:500}
.sheet{background:var(--white);border:var(--bw) solid var(--ink)}
.sheet-title{padding:1.6rem;border-bottom:var(--bw) solid var(--ink)}
.sheet-title h1{margin:0;max-width:none;font-size:clamp(2.2rem,5vw,3.6rem)}
.facts{display:grid;grid-template-columns:repeat(auto-fit,minmax(9rem,1fr));gap:1px;background:var(--ink);margin:0;border-bottom:var(--bw) solid var(--ink)}
.facts div{background:var(--white);padding:.55rem 1rem}
.facts dt{font-size:.85rem;color:var(--ink2);font-weight:500}
.facts dd{margin:0;font-weight:600}
.sheet-memo{padding:1rem 1.6rem 1.3rem}
.memolabel{display:inline-block;font-size:.85rem;font-weight:700;background:var(--tint);border:1px solid var(--line);padding:.1rem .6rem;margin-bottom:.8rem}
.sheet-memo .lede{margin:0 0 .6rem;max-width:44rem;color:var(--ink)}
.article{margin:0;font-size:1.05rem}
.case{position:relative;background:var(--white);border:var(--bw) solid var(--ink);margin-top:3.25rem;padding:2rem 1.5rem 1.5rem}
.case h2{position:absolute;left:-2px;top:-1.3rem;margin:0;padding:.25rem .9rem;font-size:1.05rem;letter-spacing:-.005em;border:var(--bw) solid var(--ink)}
.casebody.two{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.3fr);gap:2rem;align-items:start}
.casebody.one{max-width:46rem}
.casebody.video{max-width:56rem}
.casebody ul{padding-left:1.1rem;margin:0}
.casebody li{margin-bottom:.8rem}
.casebody li:last-child{margin-bottom:0}
.video{aspect-ratio:16/9;background:#000;border:var(--bw) solid var(--ink);overflow:hidden;position:relative}
.video button,.video iframe{position:absolute;inset:0;width:100%;height:100%;border:0;padding:0;background:none;cursor:pointer}
.video img{width:100%;height:100%;object-fit:cover;display:block;opacity:.85}
.play{position:absolute;left:50%;top:50%;width:68px;height:68px;margin:-34px;border-radius:50%;background:var(--red);border:3px solid #fff}
.play::after{content:"";position:absolute;left:23px;top:16px;border-left:20px solid #fff;border-top:14px solid transparent;border-bottom:14px solid transparent}
.video button:hover .play{transform:scale(1.08)}
.nextcard{display:flex;flex-direction:column;margin-top:4rem;padding:1.2rem 1.5rem;border:var(--bw) solid var(--ink);text-decoration:none;max-width:26rem}
.nextcard span{font-weight:500;font-size:.95rem}
.nextcard strong{font-size:1.6rem;letter-spacing:-.02em;line-height:1.15}

/* about */
.about{padding-top:2.5rem;padding-bottom:5rem}
.aboutgrid{display:grid;grid-template-columns:minmax(0,.7fr) minmax(0,1.3fr);gap:3rem;align-items:start}
.aboutgrid.nophoto{grid-template-columns:minmax(0,1fr)}
.photo{background:var(--white);border:var(--bw) solid var(--ink);padding:10px}
.photo img{width:100%;height:auto;display:block}
.bio{background:var(--white);border:var(--bw) solid var(--ink);padding:1.4rem 1.5rem}
.bio p{margin:0 0 1rem;font-size:1.2rem}.bio p:last-child{margin:0}
.aboutcol h2{margin-top:2.75rem}
.services li{display:grid;grid-template-columns:14px minmax(0,1fr);gap:.1rem 1rem;padding:.9rem 1.2rem;align-items:baseline}
.services li+li{border-top:1px solid var(--rule)}
.services li span:last-child{grid-column:2;color:var(--ink2);font-size:1rem}
.services .pip{align-self:center}
.contact{list-style:none;margin:0;padding:1.2rem 1.5rem;border:var(--bw) solid var(--ink)}
.contact li{margin:.4rem 0}

.foot{border-top:var(--bw) solid var(--ink);background:var(--white);padding:1.75rem 0;font-size:1rem;color:var(--ink2)}
.foot .wrap{display:flex;justify-content:space-between;gap:1rem;flex-wrap:wrap}
.foot p{margin:0}.links a{margin-left:1.25rem}

@media (max-width:1000px){
  .flist{grid-template-columns:minmax(0,1fr)}
  .fcard{min-height:0}.fmeta{margin-top:.6rem}
  .rlist{grid-template-columns:minmax(0,1fr)}
}
@media (max-width:820px){
  .herogrid,.casebody.two,.aboutgrid{grid-template-columns:minmax(0,1fr)}
  .herogrid{gap:2.5rem}
  .hero{padding-top:3rem}
  .note,.reg,.arena::before{display:none}
  .thead{display:none}
  .trow{grid-template-columns:14px minmax(0,1fr);gap:.1rem .9rem}
  .trow .ometa,.trow .oblurb{grid-column:2}
  .links a{margin:0 1.25rem 0 0}
}
@media (max-width:480px){.pips{display:none}nav{gap:.35rem}nav a{padding:.25rem .5rem;font-size:.92rem}.bar{gap:.5rem}}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}*{transition:none!important}}

/* ---- brand line, tabs, frame-data demo, method + library sections ---- */
.brandline{font-family:var(--display);font-weight:700;font-size:clamp(1.15rem,2vw,1.4rem);line-height:1.3;letter-spacing:-.01em;margin:0 0 1.1rem;padding-left:1rem;border-left:6px solid var(--yellow);max-width:30rem}
.formhead{align-items:center;padding:.5rem .9rem}
.formnote{font-size:.85rem;color:var(--ink2);font-weight:500;font-family:var(--display)}
.arena .cap{margin:0;font-size:.95rem;color:var(--ink2);padding:.6rem .9rem .7rem;border-top:var(--bw) solid var(--ink)}
.arena [hidden]{display:none}

#fd{display:block;width:100%;height:auto;aspect-ratio:640/320;background-image:linear-gradient(var(--grid1) 1px,transparent 1px),linear-gradient(90deg,var(--grid1) 1px,transparent 1px);background-size:32px 32px}
.legend{display:flex;gap:1.1rem;flex-wrap:wrap;list-style:none;margin:0;padding:.45rem .9rem;border-top:1px solid var(--rule);font-family:var(--display);font-size:.8rem;font-weight:500;color:var(--ink2)}
.legend li{display:flex;align-items:center;gap:.4rem}
.k{width:12px;height:12px;border:2px solid;display:inline-block}
.kg{border-color:#1FA35B;background:rgba(31,163,91,.2)}.kr{border-color:var(--red);background:rgba(217,43,38,.28)}.kb{border-color:var(--blue);background:rgba(31,79,216,.12)}
.fdctl{display:flex;flex-wrap:wrap;gap:.45rem;align-items:center;padding:.6rem .9rem;border-top:var(--bw) solid var(--ink)}
.seg{display:flex;margin-left:auto}
.seg .fdbtn+.fdbtn{margin-left:-2px}
.fdbtn{font-family:var(--display);font-weight:700;font-size:.85rem;background:var(--white);color:var(--ink);border:1.5px solid var(--ink);padding:.25rem .7rem;cursor:pointer}
.fdbtn:hover{background:var(--yellow)}
.fdbtn[aria-pressed="true"]{background:var(--ink);color:#fff}
.fdscrub{display:flex;align-items:center;gap:.8rem;padding:0 .9rem .35rem}
.fdscrub label{font-family:var(--display);font-weight:700;font-size:.85rem;white-space:nowrap}
.fdscrub input{flex:1;min-width:0;accent-color:var(--red)}
.framebar{display:flex;gap:1px;list-style:none;margin:0;padding:.2rem .9rem .7rem;height:2.2rem}
.framebar li{flex:1;background:var(--yellow);border:1px solid var(--ink)}
.framebar li.a{background:var(--red)}.framebar li.r{background:var(--blue)}
.framebar li.cur{outline:3px solid var(--ink);outline-offset:1px;position:relative;z-index:1}
.fdata{display:grid;grid-template-columns:repeat(6,minmax(0,1fr));gap:1px;background:var(--ink);margin:0;border-top:var(--bw) solid var(--ink)}
.fdata .d{background:var(--white);text-align:center;padding:.35rem .2rem .45rem}
.fdata dt{font-family:var(--display);font-size:.72rem;font-weight:500;color:var(--ink2)}
.fdata dd{margin:0;font-family:var(--display);font-weight:800;font-size:1.05rem}
.fdata .st{box-shadow:inset 0 4px 0 var(--yellow)}.fdata .ac{box-shadow:inset 0 4px 0 var(--red)}.fdata .re{box-shadow:inset 0 4px 0 var(--blue)}
.fdata dd.neg{color:var(--red)}.fdata dd.pos{color:var(--blue)}

@media (max-width:820px){.fdata{grid-template-columns:repeat(3,minmax(0,1fr))}.seg{margin-left:0}.formnote{display:none}}

/* about: light method columns instead of boxes, one table per list */
.about section{margin-top:0}
.about h2{margin-top:3.25rem}
.aboutgrid{align-items:start}
.bio{background:none;border:0;padding:0}
.bio p{font-size:1.3rem;line-height:1.6;max-width:42rem;margin:0 0 1rem}
.steps{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:2rem}
.step{border-top:6px solid var(--blue)}
.step.s-yellow{border-top-color:var(--yellow)}.step.s-red{border-top-color:var(--red)}
.step h3{margin:.75rem 0 .35rem;font-size:1.35rem}
.step p{margin:0;font-size:1.05rem;line-height:1.6}
@media (max-width:1000px){.steps{grid-template-columns:minmax(0,1fr);gap:1.5rem}}
.services strong{font-family:var(--display);font-weight:800}

/* margin notes */
.fwrap{position:relative}
.n-gs{top:-3.1rem;right:auto;left:7rem;transform:rotate(-3deg)}
.n-gs svg{margin-bottom:-2.3rem}
.hnote{position:relative}
.n-old{top:50%;right:auto;left:100%;margin-left:1rem;transform:translateY(-35%) rotate(-2deg);align-items:center;font-size:1.4rem}
.n-old svg{margin-bottom:0;width:48px;height:40px}
.hnote{display:inline-block}
@media (max-width:820px){.n-gs,.n-old{display:none}}
.aboutgrid{grid-template-columns:minmax(0,.5fr) minmax(0,1.5fr)}.aboutgrid.nophoto{grid-template-columns:minmax(0,1fr)}@media (max-width:820px){.aboutgrid{grid-template-columns:minmax(0,1fr)}.photo{max-width:340px}}
.brandline{max-width:34rem}

/* about: steps in one box, more notes */
.steps{background:var(--white);border:var(--bw) solid var(--ink);padding:1.75rem 1.75rem 1.5rem;gap:2.25rem}
.photo{position:relative}
.about h2.hnote{display:inline-block}
.n-old{font-size:1.4rem}

.about h1.hnote{display:inline-block}.about h1 .n-old{top:60%;transform:translateY(-40%) rotate(-2deg)}
.hnote .note{letter-spacing:0;font-weight:700;font-size:1.4rem;line-height:1}