:root{
  --paper:#F4F1EA; --paper-2:#ECE7DC; --card:#FBFAF6; --ink:#17191E; --ink-2:#4A4D55; --ink-3:#6F727A;
  --rule:#D6D0C3; --accent:#1C4A73; --accent-soft:#DCE4EC; --live:#2E6B3F;
  --serif:"Newsreader",Georgia,serif; --sans:"IBM Plex Sans",system-ui,sans-serif; --mono:"IBM Plex Mono",ui-monospace,monospace;
  --gutter:40px; --label:220px;
}
@media (prefers-color-scheme:dark){:root:not([data-theme="light"]){
  --paper:#15171B; --paper-2:#1D2026; --card:#1A1D22; --ink:#ECE8DF; --ink-2:#B4B1AA; --ink-3:#8E8C87;
  --rule:#2E3138; --accent:#8DB5DA; --accent-soft:#1E2E3D; --live:#7FC296;
}}
:root[data-theme="dark"]{
  --paper:#15171B; --paper-2:#1D2026; --card:#1A1D22; --ink:#ECE8DF; --ink-2:#B4B1AA; --ink-3:#8E8C87;
  --rule:#2E3138; --accent:#8DB5DA; --accent-soft:#1E2E3D; --live:#7FC296;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{background:var(--paper);color:var(--ink);font:400 16px/1.6 var(--sans);-webkit-font-smoothing:antialiased}
a{color:inherit;text-decoration:none}
a:focus-visible{outline:2px solid var(--accent);outline-offset:3px}
img{max-width:100%;height:auto;display:block}
.wrap{max-width:1160px;margin:0 auto;padding:0 var(--gutter)}
.mono{font-family:var(--mono);font-size:12px;letter-spacing:.04em;text-transform:uppercase;color:var(--ink-3)}
.skip{position:absolute;left:-999px}.skip:focus{left:16px;top:16px;background:var(--ink);color:var(--paper);padding:8px 12px;z-index:9}

/* header */
.site-header{border-bottom:1px solid var(--rule)}
.site-header .wrap{display:flex;justify-content:space-between;align-items:center;height:72px}
.mark{font-family:var(--serif);font-size:21px;letter-spacing:-.01em}
.mark span{color:var(--ink-3)}
.site-nav{display:flex;gap:32px;font-size:14px;color:var(--ink-2)}
.site-nav a:hover{color:var(--ink)}
.theme-toggle{background:none;border:1px solid var(--rule);color:var(--ink-2);width:34px;height:34px;border-radius:50%;display:inline-grid;place-items:center;cursor:pointer;margin-left:4px}
.theme-toggle:hover{color:var(--ink);border-color:var(--ink-3)}
.theme-toggle:focus-visible{outline:2px solid var(--accent);outline-offset:3px}
.theme-toggle svg{width:16px;height:16px}
.theme-toggle .sun{display:none}
:root[data-theme="dark"] .theme-toggle .sun{display:block}:root[data-theme="dark"] .theme-toggle .moon{display:none}
@media (prefers-color-scheme:dark){:root:not([data-theme="light"]) .theme-toggle .sun{display:block}:root:not([data-theme="light"]) .theme-toggle .moon{display:none}}
.site-nav{align-items:center}
.site-nav a.cv-link{color:var(--ink);border-bottom:1px solid var(--ink)}

/* hero */
.hero{display:grid;grid-template-columns:1.35fr 1fr;gap:72px;padding-top:72px;padding-bottom:80px;align-items:start}
.hero h1{font-family:var(--serif);font-weight:400;font-size:clamp(40px,5vw,66px);line-height:1.04;letter-spacing:-.025em;margin:22px 0 28px}
.hero h1 em{font-style:italic;color:var(--accent)}
.lede{font-size:18px;line-height:1.65;color:var(--ink-2);max-width:540px}
.hero-facts{display:flex;flex-wrap:wrap;gap:20px 36px;margin-top:44px;padding-top:22px;border-top:1px solid var(--rule)}
.hero-facts b{display:block;font:500 14px/1.4 var(--sans);color:var(--ink);text-transform:none;letter-spacing:0;margin-top:4px}
.portrait{padding:8px 24px 0}
.portrait img{width:100%;aspect-ratio:4/5;object-fit:cover;object-position:50% 18%;border-radius:50%;filter:saturate(.88);box-shadow:0 0 0 1px var(--rule),0 0 0 10px var(--paper),0 0 0 11px var(--rule)}

.now{background:#17191E;color:#E9E6DF}
.now .wrap{display:flex;gap:28px;align-items:baseline;padding-top:18px;padding-bottom:18px;font-size:14.5px}
.now .mono{color:#9EA3AD;flex:none}

/* sections */
.section{padding:96px 0;border-bottom:1px solid var(--rule)}
.sec-head{display:grid;grid-template-columns:var(--label) 1fr;gap:40px;margin-bottom:48px}
.sec-head h2{font-family:var(--serif);font-weight:400;font-size:40px;letter-spacing:-.02em;line-height:1.1}
.sec-head p{color:var(--ink-2);max-width:560px;margin-top:12px}

/* product block */
.product{display:grid;grid-template-columns:1fr 1.15fr;gap:56px;align-items:center}
.frame{background:var(--paper-2);border:1px solid var(--rule);aspect-ratio:5/4;display:flex;align-items:center;justify-content:center;overflow:hidden}
.frame .app-icon{width:34%;border-radius:22.5%;box-shadow:0 18px 40px rgba(20,30,20,.28)}
.frame.screens{aspect-ratio:auto;gap:4%;padding:28px 6%;align-items:flex-start}
.frame.screens img{width:44%;border-radius:14px;box-shadow:0 14px 34px rgba(20,30,20,.25)}
.phones.green{grid-template-columns:repeat(2,minmax(0,300px));justify-content:center;gap:40px;background:linear-gradient(160deg,#E4E9D8,#D2DCC0)}
.frame.green{background:linear-gradient(160deg,#E4E9D8,#D2DCC0)}
@media (prefers-color-scheme:dark){:root:not([data-theme="light"]) .frame.green,:root:not([data-theme="light"]) .phones.green{background:linear-gradient(160deg,#1F271B,#18200F)}}
:root[data-theme="dark"] .frame.green,:root[data-theme="dark"] .phones.green{background:linear-gradient(160deg,#1F271B,#18200F)}
.app-meta{display:flex;justify-content:space-between;align-items:baseline;gap:16px}
.product h3{font-family:var(--serif);font-weight:400;font-size:40px;letter-spacing:-.015em;line-height:1.1}
.product .pitch{font-size:17px;color:var(--ink-2);margin:14px 0 26px}
.status{font-family:var(--mono);font-size:11px;letter-spacing:.05em;text-transform:uppercase;color:var(--ink-3);white-space:nowrap}
.status.live{color:var(--live)}
.status.live:before{content:"";display:inline-block;width:7px;height:7px;border-radius:50%;background:var(--live);margin-right:7px;vertical-align:1px}
.buttons{display:flex;gap:10px;margin-top:22px;flex-wrap:wrap}
.btn{display:inline-flex;align-items:center;gap:8px;border:1px solid var(--ink);padding:11px 18px;font-size:14px;transition:background .15s,color .15s}
.btn.primary{background:var(--ink);color:var(--paper)}
.btn:hover{background:var(--ink);color:var(--paper)}
.btn.primary:hover{background:var(--accent);border-color:var(--accent)}

dl.facts{font-size:14px}
dl.facts div{display:grid;grid-template-columns:110px 1fr;gap:12px;padding:9px 0;border-top:1px solid var(--rule)}
dl.facts dt{font-family:var(--mono);font-size:11.5px;text-transform:uppercase;letter-spacing:.04em;color:var(--ink-3);padding-top:2px}

/* rows */
.rows{border-top:1px solid var(--ink)}
.rows.spaced{margin-top:56px}
.row{display:grid;grid-template-columns:var(--label) 1fr 240px 130px;gap:40px;padding:22px 0;border-bottom:1px solid var(--rule);align-items:baseline}
a.row:hover h4{color:var(--accent)}
.row h4{font-family:var(--serif);font-weight:400;font-size:22px;letter-spacing:-.01em;line-height:1.3;transition:color .15s}
.row p{font-size:14.5px;color:var(--ink-2);margin-top:4px;max-width:520px}
.row .tags{font-size:13px;color:var(--ink-2)}
.row .arrow{text-align:right;font-size:13px;color:var(--accent)}
.row.linked{position:relative}
.row.linked h4 a::after{content:"";position:absolute;inset:0}
.row.linked:hover h4{color:var(--accent)}
.row.linked .arrow{display:flex;flex-direction:column;align-items:flex-end;gap:6px}
.row.linked .arrow a{position:relative;z-index:1;font-weight:500;text-decoration:underline;text-underline-offset:3px}

/* featured project */
.feature{display:grid;grid-template-columns:var(--label) 1fr;gap:40px;margin-bottom:56px}
.shot{display:block;background:var(--paper-2);border:1px solid var(--rule);padding:14px}
.shot img{width:100%;border:1px solid var(--rule)}
.feature-body{display:grid;grid-template-columns:1.5fr 1fr;gap:40px;margin-top:24px}
.feature-body h3{font-family:var(--serif);font-weight:400;font-size:30px;letter-spacing:-.015em;line-height:1.15}
.feature-body h3 a:hover{color:var(--accent)}
.feature-body p{color:var(--ink-2);margin-top:10px}

/* research */
.paper{display:grid;grid-template-columns:var(--label) 1fr;gap:40px}
.paper-card{background:var(--card);border:1px solid var(--rule);padding:40px 44px;display:grid;grid-template-columns:1.6fr 1fr;gap:44px}
.pill{display:inline-block;font-family:var(--mono);font-size:11px;letter-spacing:.05em;text-transform:uppercase;background:var(--accent-soft);color:var(--accent);padding:4px 9px}
.paper-card h3{font-family:var(--serif);font-weight:400;font-size:28px;line-height:1.2;letter-spacing:-.015em;margin:16px 0 14px}
.paper-card h3 a:hover{color:var(--accent)}
.paper-card p{color:var(--ink-2);font-size:15px}
.results{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin-top:26px;padding-top:20px;border-top:1px solid var(--rule)}
.results b{display:block;font-family:var(--serif);font-weight:400;font-size:32px;letter-spacing:-.02em;color:var(--accent);line-height:1.1}
.results span{font-size:12.5px;color:var(--ink-3);line-height:1.4;display:block;margin-top:6px}
.text-links{display:flex;gap:22px;margin-top:22px;font-size:14px}
.text-links a{border-bottom:1px solid var(--ink)}
.text-links a:hover{color:var(--accent);border-color:var(--accent)}
.pubs{margin-top:48px}
.pub{display:grid;grid-template-columns:var(--label) 1fr 130px;gap:40px;padding:18px 0;border-bottom:1px solid var(--rule);align-items:baseline}
.pub .t{font-family:var(--serif);font-size:19px;line-height:1.35}
.pub .t small{display:block;font-family:var(--sans);font-size:13.5px;color:var(--ink-3);margin-top:3px}
.pub .mono:last-child{text-align:right}

/* experience */
.cvgrid{display:grid;grid-template-columns:var(--label) 1fr 1fr;gap:40px}
.cvgrid h3{margin-bottom:14px}
.job{padding:14px 0;border-top:1px solid var(--rule)}
.job b{font-weight:500}
.job span{display:block;font-size:14px;color:var(--ink-2)}
.certs{font-size:14px;color:var(--ink-2);padding:14px 0;border-top:1px solid var(--rule)}

/* contact */
.site-footer{padding:96px 0 40px}
.contact{display:grid;grid-template-columns:var(--label) 1fr;gap:40px}
.contact h2{font-family:var(--serif);font-weight:400;font-size:52px;line-height:1.08;letter-spacing:-.025em;max-width:760px}
.contact h2 a{color:var(--accent);border-bottom:2px solid var(--accent)}
.contact ul{list-style:none;display:flex;flex-wrap:wrap;gap:18px 36px;margin-top:36px;font-size:14.5px}
.contact ul a{border-bottom:1px solid var(--rule)}
.contact ul a:hover{border-color:var(--ink)}
.colophon{display:flex;justify-content:space-between;margin-top:96px;padding-top:20px;border-top:1px solid var(--rule)}

/* detail pages */
.crumbs{padding-top:40px}
.crumbs a:hover{color:var(--ink)}
.detail-head{display:grid;grid-template-columns:var(--label) 1fr;gap:40px;padding:40px 0 56px}
.detail-head h1{font-family:var(--serif);font-weight:400;font-size:clamp(36px,4.4vw,56px);line-height:1.06;letter-spacing:-.025em;margin:14px 0 20px}
.detail-head .lede{max-width:680px}
.detail-media{margin-bottom:64px}
.detail-media.icon-media .frame{aspect-ratio:21/9}
.detail-media.icon-media .app-icon{width:15%}
.phones{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;background:var(--paper-2);border:1px solid var(--rule);padding:32px}
.phones img{border-radius:18px;border:1px solid var(--rule)}
.detail{display:grid;grid-template-columns:var(--label) 1fr 300px;gap:40px;padding-bottom:96px}
.prose h2{font-family:var(--serif);font-weight:400;font-size:28px;letter-spacing:-.015em;margin:0 0 14px}
.prose h2:not(:first-child){margin-top:44px}
.prose p{color:var(--ink-2);font-size:17px;line-height:1.7;max-width:640px}
.prose p+p{margin-top:16px}
.prose ul{list-style:none;max-width:640px}
.prose li{padding:12px 0 12px 28px;border-top:1px solid var(--rule);position:relative;color:var(--ink-2)}
.prose li:before{content:"—";position:absolute;left:0;color:var(--ink-3)}
.gallery{display:grid;gap:24px;margin-top:44px}
.aside .buttons{margin-top:24px}
.next{border-top:1px solid var(--rule);padding:40px 0 0}
.next a{font-family:var(--serif);font-size:26px}
.next a:hover{color:var(--accent)}
.notfound{padding:140px 0}
.notfound h1{font-family:var(--serif);font-weight:400;font-size:56px;letter-spacing:-.02em;margin:16px 0}

@media (max-width:960px){
  :root{--label:160px}
  .row{grid-template-columns:var(--label) 1fr 110px}.row .tags{display:none}
  .detail{grid-template-columns:1fr 280px}.detail>.mono{display:none}
}
@media (max-width:760px){
  :root{--gutter:16px}
  .site-nav{gap:16px;font-size:13px}.site-nav a:not(.cv-link){display:none}.mark span{display:none}
  .hero{grid-template-columns:1fr;gap:36px;padding-top:48px;padding-bottom:48px}
  .portrait{order:-1;width:64%;max-width:280px;margin:0 auto;padding:0}
  .hero-facts{flex-direction:column;gap:14px}
  .now .wrap{flex-direction:column;gap:6px}
  .section{padding:64px 0}
  .sec-head,.feature,.paper,.cvgrid,.contact,.detail-head,.detail{grid-template-columns:1fr;gap:16px}
  .feature-body,.paper-card,.product{grid-template-columns:1fr;gap:24px}
  .paper-card{padding:24px}
  .results{grid-template-columns:1fr;gap:14px}
  .row,.pub{grid-template-columns:1fr;gap:6px}.row .arrow,.pub .mono:last-child{text-align:left}.row.linked .arrow{align-items:flex-start}
  .sec-head h2{font-size:32px}.product h3{font-size:32px}.contact h2{font-size:34px}
  .phones{grid-template-columns:1fr 1fr;padding:16px;gap:12px}
  .detail-media.icon-media .app-icon{width:30%}
  .colophon{flex-direction:column;gap:8px}
}