@font-face{font-family:"Archivo";src:url("../fonts/archivo.woff2") format("woff2");font-weight:100 900;font-stretch:62% 125%;font-display:swap}
:root{--paper:#fff;--soft:#f2f2f0;--ink:#161616;--stage:#101010;--grey:#666;--rule:#d9d9d6;--red:#bb0d16;--gutter:clamp(20px,4vw,64px);--max:1440px}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;background:var(--paper);color:var(--ink);font-family:"Archivo","Helvetica Neue",Arial,sans-serif;font-size:18px;line-height:1.55;font-stretch:100%}
img{display:block;width:100%;height:auto}
a{color:inherit}
a:focus-visible{outline:2px solid var(--red);outline-offset:3px}
.wrap{max-width:var(--max);margin:0 auto;padding:0 var(--gutter)}

/* header */
.top{display:flex;align-items:center;gap:32px;padding:22px var(--gutter);max-width:var(--max);margin:0 auto}
.brand{display:flex;align-items:center;gap:14px;text-decoration:none;font-weight:600;font-stretch:112%;white-space:nowrap}
.brand img{width:19px}
.top nav{margin-left:auto;display:flex;flex-wrap:wrap;gap:6px 26px;font-size:15px}
.top nav a{text-decoration:none;padding:4px 0;border-bottom:2px solid transparent}
.top nav a:hover,.top nav a[aria-current]{border-bottom-color:var(--red)}
.top nav a.soon{color:#9a9a97}
.note a.soon::after{content:" (to come)";font-size:15px;color:#9a9a97}
.row.soon h3::after{content:" (to come)";font-weight:400;font-stretch:100%;font-size:14px;color:#8a8a86}
.next.soon span::after{content:" (page to come)"}

/* home intro */
.intro{padding-block:clamp(48px,9vw,140px) clamp(36px,5vw,72px)}
.intro h1{margin:0;max-width:17ch;font-size:clamp(40px,6.4vw,104px);line-height:1.02;font-weight:560;font-stretch:118%;letter-spacing:-.022em}
.intro p{margin:28px 0 0;max-width:52ch;color:var(--grey)}

/* image stages */
.stage{margin:0;background:var(--stage);color:#bdbdb9}
.stage.light{background:var(--soft);color:var(--grey)}
.stage .in{max-width:1680px;margin:0 auto;padding:clamp(12px,2.4vw,40px)}
.stage.bleed .in{max-width:none;padding:0}
.stage figcaption{font-size:14px;padding:12px var(--gutter) 16px;max-width:var(--max);margin:0 auto}
.stage.bleed figcaption{padding-top:14px}
.grid{display:grid;gap:clamp(8px,1.2vw,20px)}
.g2{grid-template-columns:1fr 1fr}
.g3{grid-template-columns:repeat(3,1fr)}
.g-3-2{grid-template-columns:3fr 2fr}
.g-big{grid-template-columns:2fr 1fr}
.stack{display:flex;flex-direction:column;justify-content:space-between}
.stack .crop{aspect-ratio:2.12/1}
.crop{overflow:hidden}
.crop img{height:100%;object-fit:cover}
.board{aspect-ratio:2000/975}
.board img{object-position:top}
.r32{aspect-ratio:3/2}
.r21{aspect-ratio:2/1}
.r43{aspect-ratio:4/3}
.r169{aspect-ratio:16/9}
.wide{aspect-ratio:2.3/1}
.wide img{object-position:center 68%}

/* work list on home */
.work{padding-block:clamp(48px,7vw,110px)}
.h2{margin:0 0 clamp(24px,3vw,44px);font-size:clamp(26px,2.6vw,38px);line-height:1.15;font-weight:560;font-stretch:112%;letter-spacing:-.01em}
.cards{display:grid;grid-template-columns:1fr 1fr;gap:clamp(28px,4vw,64px) clamp(16px,2.4vw,40px)}
.card{text-decoration:none;display:block}
.card .pic{background:var(--stage);aspect-ratio:16/10;overflow:hidden}
.card .pic img{height:100%;object-fit:cover}
.card h3{margin:16px 0 4px;font-size:24px;line-height:1.2;font-weight:560;font-stretch:112%}
.card p{margin:0;color:var(--grey);max-width:46ch}
.card:hover h3{text-decoration:underline;text-decoration-color:var(--red);text-underline-offset:5px;text-decoration-thickness:2px}
.card.soon h3::after{content:" (page to come)";font-weight:400;font-stretch:100%;font-size:15px;color:#9a9a97}

/* project strip */
.strip{position:sticky;top:0;z-index:5;background:var(--paper);border-top:1px solid var(--rule);border-bottom:1px solid var(--rule)}
.strip .wrap{display:flex;gap:clamp(14px,2.4vw,36px);overflow-x:auto;padding-block:10px}
.strip a{display:flex;align-items:center;gap:12px;text-decoration:none;font-size:15px;white-space:nowrap;padding-bottom:4px;border-bottom:2px solid transparent;color:var(--grey)}
.strip a img{width:72px;height:44px;object-fit:cover;opacity:.75}
.strip a:hover img,.strip a[aria-current] img{opacity:1}
.strip a[aria-current]{color:var(--ink);font-weight:560;border-bottom-color:var(--red)}
.strip a.soon span::after{content:" (to come)";font-size:12px;color:#9a9a97}
.cards.three{grid-template-columns:repeat(3,1fr)}
.cards.three .card h3{font-size:21px}

.strip a:not(:has(img)){padding-block:8px 6px}
.roles{margin:0;border-top:1px solid var(--rule)}
.roles div{display:grid;grid-template-columns:9em 1fr;gap:16px;padding:12px 0;border-bottom:1px solid var(--rule)}
.roles dt{color:var(--grey)}
.roles dd{margin:0}
.sec .body ul{margin:0;padding-left:1.1em}
.sec .body li{margin-bottom:.7em}
.sec .body a{text-decoration-color:var(--red);text-underline-offset:4px;text-decoration-thickness:2px}

.sec .body ol{margin:0 0 .9em;padding-left:1.3em}
.plan,.tasks-wrap{background:#fff;padding:clamp(16px,2.4vw,36px)}
.plan{font-size:15px}
.plan-axis{display:flex;justify-content:space-between;color:var(--grey);margin:0 0 10px 11em}
.plan-rows{position:relative}
.plan-gates{position:absolute;left:11em;right:0;top:0;bottom:0}
.plan-gates i{position:absolute;top:0;bottom:0;border-left:1px dashed #b9b9b6}
.plan-row{display:flex;align-items:center;height:34px}
.plan-name{flex:0 0 11em;font-weight:500}
.plan-track{position:relative;flex:1;height:14px}
.plan-track b{position:absolute;top:0;bottom:0;background:var(--ink)}
.plan-track em{position:absolute;top:50%;width:11px;height:11px;margin:-5.5px 0 0 -5.5px;background:var(--red);transform:rotate(45deg);outline:2px solid #fff}
.plan-key{margin:16px 0 0 11em;color:var(--grey);display:flex;align-items:center;gap:8px;flex-wrap:wrap}
.plan-key b{display:inline-block;width:26px;height:10px;background:var(--ink)}
.plan-key em{display:inline-block;width:9px;height:9px;background:var(--red);transform:rotate(45deg);margin-left:16px}
.plan-key i{display:inline-block;height:16px;border-left:1px dashed #8a8a86;margin-left:16px}
.tasks{width:100%;border-collapse:collapse;font-size:15px;display:table}
.tasks th{text-align:left;font-weight:500;color:var(--grey);border-bottom:2px solid var(--ink);padding:8px 14px 8px 0}
.tasks td{border-bottom:1px solid var(--rule);padding:10px 14px 10px 0;vertical-align:top}
.tasks .done{color:var(--grey)}
.tasks .open{color:var(--red);font-weight:560}

.idx-sec{padding-block:clamp(24px,4vw,56px)}
.tbl-wrap{overflow-x:auto}
.tasks.idx{font-size:16px;min-width:640px}
.tasks.idx td.veh{font-weight:560;white-space:nowrap;padding-right:28px}
.tasks.idx td:nth-child(2),.tasks.idx td:nth-child(3){white-space:nowrap;color:var(--grey);padding-right:28px}
.tasks.idx a{text-decoration-color:var(--red);text-underline-offset:4px;text-decoration-thickness:2px}

/* dark band with rows */
.band{background:var(--stage);color:#e9e9e6;padding:clamp(48px,7vw,110px) 0}
.rows{border-top:1px solid #3a3a38}
.row{display:grid;grid-template-columns:minmax(180px,1fr) 3fr;gap:8px 40px;padding:26px 0;border-bottom:1px solid #3a3a38;text-decoration:none}
.row h3{margin:0;font-size:22px;font-weight:560;font-stretch:112%}
.row p{margin:0;color:#b4b4b0;max-width:64ch}
.row:hover h3{text-decoration:underline;text-decoration-color:var(--red);text-underline-offset:5px;text-decoration-thickness:2px}

.note{padding-block:clamp(40px,6vw,90px)}
.note p{margin:0;max-width:30ch;font-size:clamp(24px,2.6vw,38px);line-height:1.2;font-weight:480;font-stretch:108%}
.note a{text-decoration-color:var(--red);text-underline-offset:6px;text-decoration-thickness:2px}

footer{border-top:1px solid var(--rule);padding:32px 0 48px;font-size:15px;color:var(--grey)}
footer .wrap{display:flex;flex-wrap:wrap;gap:8px 40px}
footer a{color:var(--ink)}

/* case study */
.title{padding-block:clamp(40px,7vw,110px) clamp(32px,4vw,56px)}
.title h1{margin:0;max-width:20ch;font-size:clamp(36px,5.2vw,84px);line-height:1.04;font-weight:560;font-stretch:118%;letter-spacing:-.02em}
.facts{margin:clamp(28px,4vw,56px) 0 0;display:grid;grid-template-columns:repeat(4,1fr);gap:20px 32px;border-top:2px solid var(--ink);padding-top:18px}
.facts dt{font-size:14px;color:var(--grey)}
.facts dd{margin:2px 0 0;font-weight:500}
.sec{display:grid;grid-template-columns:minmax(180px,1fr) 3fr;gap:10px 40px;padding-block:clamp(40px,6vw,88px)}
.sec h2{margin:0;font-size:22px;line-height:1.25;font-weight:560;font-stretch:112%}
.sec .body{max-width:62ch;font-size:clamp(19px,1.5vw,23px);line-height:1.5}
.sec .body p{margin:0 0 .9em}
.sec .body p:last-child{margin:0}
.next{display:block;text-decoration:none;background:var(--stage);color:#e9e9e6;padding:clamp(40px,6vw,88px) 0}
.next span{display:block;color:#b4b4b0;font-size:15px;margin-bottom:6px}
.next strong{font-size:clamp(28px,3.6vw,56px);font-weight:560;font-stretch:118%;letter-spacing:-.015em}
.draft{background:var(--red);color:#fff;font-size:13px;text-align:center;padding:5px 10px}

@media (max-width:820px){
  body{font-size:17px}
  .top{flex-direction:column;align-items:flex-start;gap:12px}
  .top nav{margin-left:0;gap:4px 18px}
  .cards,.cards.three,.g2,.g3,.g-3-2,.g-big{grid-template-columns:1fr}
  .stack .crop{aspect-ratio:3/2}
  .strip a img{width:56px;height:36px}
  .plan-name{flex-basis:7.5em}.plan-axis,.plan-key{margin-left:7.5em}.plan-gates{left:7.5em}
  .tasks{font-size:13px}.tasks th:nth-child(3),.tasks td:nth-child(3),.tasks th:nth-child(1),.tasks td:nth-child(1){display:none}
  .row,.sec{grid-template-columns:1fr}
  .facts{grid-template-columns:1fr 1fr}
}

/* four cards, about page */
.cards.four{grid-template-columns:repeat(4,1fr)}
.cards.four .card h3{font-size:19px}
.cards.four .card p{font-size:15px}
.about{display:grid;grid-template-columns:minmax(220px,1fr) 2fr;gap:clamp(24px,5vw,80px);padding-block:clamp(40px,6vw,96px)}
.about-pic img{width:100%;height:auto;display:block}
.about-text h1{margin:0 0 24px;font-size:clamp(34px,4.4vw,60px);line-height:1.05;font-weight:600;font-stretch:116%}
.about-text p{max-width:62ch;margin:0 0 18px}
.about-text .roles{margin-top:36px}
.work-more{margin-top:clamp(24px,3vw,44px);color:var(--grey)}
@media (max-width:1000px){.cards.four{grid-template-columns:1fr 1fr}}
@media (max-width:760px){.about{grid-template-columns:1fr}.about-pic{max-width:260px}.cards.four{grid-template-columns:1fr}}
.about-text .roles dd{overflow-wrap:anywhere;min-width:0}.about-text{min-width:0}

.crop.r34{aspect-ratio:3/4}
.g4{grid-template-columns:repeat(4,1fr)}
@media (max-width:760px){.g4{grid-template-columns:1fr 1fr}}

/* sticky header and back-to-top */
html{scroll-behavior:smooth}
.totop{position:fixed;right:clamp(14px,2.2vw,32px);bottom:clamp(14px,2.2vw,32px);width:46px;height:46px;background:var(--stage);display:flex;align-items:center;justify-content:center;opacity:0;visibility:hidden;transform:translateY(8px);transition:opacity .2s,transform .2s,visibility .2s,background .2s;z-index:20}
.totop.on{opacity:1;visibility:visible;transform:none}
.totop:hover{background:var(--red)}
.totop span{width:11px;height:11px;border-left:2px solid #fff;border-top:2px solid #fff;transform:translateY(3px) rotate(45deg)}
@media (min-width:900px){
  header.top{position:sticky;top:0;z-index:10;background:var(--paper);box-shadow:0 0 0 100vmax var(--paper);clip-path:inset(0 -100vmax)}
  .strip{top:77px}
}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}.totop{transition:none}}

/* Linked cards: the picture moves in slightly on hover */
@media (hover:hover) and (prefers-reduced-motion:no-preference){
  .card .pic img{transition:transform .7s cubic-bezier(.2,.6,.2,1)}
  .card:hover .pic img,.card:focus-visible .pic img{transform:scale(1.045)}
}

/* Five cards in "More work" */
.cards.five{grid-template-columns:repeat(5,1fr)}
.cards.five .card h3{font-size:17px}
.cards.five .card p{font-size:14px}
@media (max-width:1100px){.cards.five{grid-template-columns:repeat(3,1fr)}}
@media (max-width:760px){.cards.five{grid-template-columns:1fr}}

/* Video: a still that opens YouTube in a new tab, and short clips hosted on the site */
.narrow{max-width:1100px;margin:0 auto}
.vid{position:relative;display:block;aspect-ratio:16/9;overflow:hidden;background:#000}
.vid img{width:100%;height:100%;object-fit:cover}
.vid .play{position:absolute;left:50%;top:50%;width:76px;height:76px;margin:-38px 0 0 -38px;border-radius:50%;background:rgba(16,16,16,.72);transition:background .2s}
.vid .play::after{content:"";position:absolute;left:31px;top:24px;border-style:solid;border-width:14px 0 14px 22px;border-color:transparent transparent transparent #fff}
.vid:hover .play,.vid:focus-visible .play{background:var(--red)}
.clip{display:block;width:100%;height:100%;object-fit:cover;background:#000}
.stage figcaption a{color:inherit}
@media (hover:hover) and (prefers-reduced-motion:no-preference){
  .vid img{transition:transform .7s cubic-bezier(.2,.6,.2,1)}
  .vid:hover img{transform:scale(1.03)}
}

/* Speaking list */
.talks{width:100%;border-collapse:collapse;font-size:16px}
.talks th{text-align:left;font-weight:500;color:var(--grey);border-bottom:2px solid var(--ink);padding:8px 24px 8px 0;font-size:15px}
.talks td{border-bottom:1px solid var(--rule);padding:11px 24px 11px 0;vertical-align:top}
.talks .yr{color:var(--grey);white-space:nowrap}
.talks .ev{font-weight:560}
.talks .pl{color:var(--grey);white-space:nowrap}
@media (max-width:700px){.talks{font-size:14px}.talks th,.talks td{padding-right:12px}.talks th:nth-child(4),.talks .pl{display:none}}

.vid iframe{position:absolute;inset:0;width:100%;height:100%;border:0}

.strip .wrap{scrollbar-width:none}
.strip .wrap::-webkit-scrollbar{display:none}
.vid-alt{margin:8px 0 0;font-size:13px}
.vid-alt a{color:inherit}

/* Menu button: when the main menu no longer fits on one line, it folds into a button */
.menu-btn{display:none;margin-left:auto;align-items:center;gap:10px;background:none;border:0;padding:8px 0;font:inherit;font-size:15px;color:var(--ink);cursor:pointer}
.menu-btn .bars{position:relative;width:20px;height:2px;background:currentColor;transition:background .2s}
.menu-btn .bars::before,.menu-btn .bars::after{content:"";position:absolute;left:0;width:20px;height:2px;background:currentColor;transition:transform .2s}
.menu-btn .bars::before{top:-6px}.menu-btn .bars::after{top:6px}
header.top.open .menu-btn .bars{background:transparent}
header.top.open .menu-btn .bars::before{transform:translateY(6px) rotate(45deg)}
header.top.open .menu-btn .bars::after{transform:translateY(-6px) rotate(-45deg)}
@media (max-width:1080px){
  header.top{position:sticky;top:0;z-index:20;background:var(--paper);box-shadow:none;clip-path:none;flex-direction:row;align-items:center;max-width:none}
  .menu-btn{display:flex}
  .top nav{display:none;position:absolute;top:100%;left:0;right:0;flex-direction:column;gap:0;margin:0;padding:6px var(--gutter) 18px;background:var(--paper);border-bottom:1px solid var(--rule);box-shadow:0 12px 24px rgba(0,0,0,.08);font-size:18px}
  header.top.open nav{display:flex}
  .top nav a{padding:12px 0;border-bottom:1px solid var(--rule)}
  .top nav a:last-child{border-bottom:0}
  .top nav a[aria-current]{color:var(--red);border-bottom-color:var(--rule)}
  .strip{top:83px}
}

/* Research: first pages of each study, and the copy request */
.docs{padding-block:clamp(24px,4vw,56px)}
.docs-intro{color:var(--grey);max-width:60ch;margin:0 0 clamp(20px,3vw,40px)}
.req-btn,.req-send{font:inherit;font-size:15px;background:var(--ink);color:#fff;border:0;padding:11px 18px;cursor:pointer}
.req-btn:hover,.req-send:hover{background:var(--red)}
dialog.req{border:0;padding:0;max-width:440px;width:calc(100% - 32px);box-shadow:0 20px 60px rgba(0,0,0,.35)}
dialog.req::backdrop{background:rgba(16,16,16,.55)}
.req-form{padding:24px 24px 20px;display:flex;flex-direction:column;gap:12px}
.req-form h3{margin:0;font-size:22px;font-weight:560;font-stretch:112%}
.req-doc{margin:0;color:var(--grey);font-size:15px}
.req-form label{display:flex;flex-direction:column;gap:4px;font-size:14px;color:var(--grey)}
.req-form input,.req-form textarea{font:inherit;font-size:16px;color:var(--ink);border:1px solid var(--rule);padding:9px 10px;background:#fff}
.req-form input:focus,.req-form textarea:focus{outline:2px solid var(--red);outline-offset:0}
.req-hint{font-size:13px;color:var(--grey);margin:0}
.req-actions{display:flex;gap:12px;margin-top:4px}
.req-cancel{font:inherit;font-size:15px;background:none;border:1px solid var(--rule);padding:10px 16px;cursor:pointer}

/* Research: study carousel */
.flow{position:relative;margin:0 calc(-1*var(--gutter));overflow:hidden;outline:none}
.flow-stage{position:relative;touch-action:pan-y;user-select:none;-webkit-user-select:none}
.fcard{position:absolute;left:50%;top:50%;background:#fff;box-shadow:0 14px 40px rgba(0,0,0,.18);transition:transform .8s cubic-bezier(.2,.7,.2,1),opacity .8s,box-shadow .4s;cursor:pointer;will-change:transform}
.fcard::after{content:'';position:absolute;inset:0;background:#fff;opacity:var(--dim,0);transition:opacity .8s;pointer-events:none}
.fcard.center{cursor:default;box-shadow:0 22px 60px rgba(0,0,0,.26)}
.fpages{position:absolute;inset:0;overflow:hidden;overscroll-behavior:contain;scrollbar-width:thin}
.fcard.open .fpages{overflow-y:auto}
.fpages img{width:100%;height:auto;border-bottom:1px solid var(--rule);pointer-events:none}
.fend{min-height:100%;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:16px;padding:24px;text-align:center;background:var(--soft)}
.fend p{margin:0;font-size:20px;font-weight:560;font-stretch:112%}
.fhint{position:absolute;left:50%;bottom:12px;transform:translateX(-50%);background:rgba(16,16,16,.78);color:#fff;font-size:13px;padding:5px 11px;white-space:nowrap;opacity:0;transition:opacity .3s;pointer-events:none}
.fcard.center .fhint{opacity:1}
.fhint .h-open,.fcard.open .fhint .h-closed{display:none}
.fcard.open .fhint .h-open{display:inline}
.fcard.open .fhint{animation:fhint 2.6s 1.2s forwards}
@keyframes fhint{to{opacity:0}}
.fbtn{position:absolute;top:calc(50% - 60px);z-index:20;width:44px;height:44px;border:0;border-radius:50%;background:rgba(16,16,16,.72);color:#fff;font-size:28px;line-height:40px;cursor:pointer}
.fbtn:hover{background:var(--red)}
.fprev{left:var(--gutter)}.fnext{right:var(--gutter)}
.fcap{display:flex;gap:24px;align-items:flex-start;justify-content:space-between;max-width:820px;margin:8px auto 0;padding:0 var(--gutter);min-height:150px}
.fcap h3{margin:0 0 4px;font-size:22px;line-height:1.25;font-weight:560;font-stretch:112%}
.fcap p{margin:0 0 8px}
.fcap-m{color:var(--grey);font-size:15px}
.fcap-b{flex:none;margin-top:4px}
.fdots{display:flex;justify-content:center;gap:10px;padding:8px 0 4px}
.fdots button{width:9px;height:9px;padding:0;border-radius:50%;border:0;background:var(--rule);cursor:pointer}
.fdots button.on{background:var(--ink)}
@media (max-width:700px){.fcap{flex-direction:column;gap:8px}.fbtn{width:38px;height:38px;font-size:24px;line-height:34px;top:calc(50% - 90px)}}
@media (prefers-reduced-motion:reduce){.fcard{transition:none}}