/* One professional blue with light shades on the bento layout.
   Shades: --sky (light blue), --mist (light grey), --haze (deeper light blue, fills only). */
:root{
  --display:"Instrument Sans",system-ui,-apple-system,"Segoe UI",sans-serif;
  --body:"Instrument Sans",system-ui,-apple-system,"Segoe UI",sans-serif;
  --code:"IBM Plex Mono",ui-monospace,Menlo,monospace;
  --bg:#F7F9FC; --panel:#FFFFFF; --text:#18232E; --muted:#4B5A69; --line:#CFD9E3;
  --accent:#0A66C2; --on-accent:#FFFFFF; --sky:#EAF2FB; --mist:#EEF1F4; --haze:#D5E4F2;
  --node:10,102,194; --star:0;
}
@media (prefers-color-scheme: dark){:root:not([data-theme="light"]){--bg:#151B21;--panel:#1D252D;--text:#EDF2F7;--muted:#B4C0CC;--line:#465564;--accent:#8AC2FF;--on-accent:#102030;--sky:#1D3042;--mist:#242D36;--haze:#2C465E;--node:138,194,255}}
:root[data-theme="dark"]{--bg:#151B21;--panel:#1D252D;--text:#EDF2F7;--muted:#B4C0CC;--line:#465564;--accent:#8AC2FF;--on-accent:#102030;--sky:#1D3042;--mist:#242D36;--haze:#2C465E;--node:138,194,255}

*{box-sizing:border-box}
html{scroll-behavior:smooth}
@media (prefers-reduced-motion: reduce){html{scroll-behavior:auto}}
body{margin:0;background:var(--bg);color:var(--text);font:18px/1.6 var(--body);--led:var(--accent)}
.mono{font-family:inherit;font-variant-numeric:tabular-nums}
code{font-family:var(--code);font-size:.92em}
a{color:var(--accent)}
a:focus-visible,button:focus-visible{outline:3px solid var(--accent);outline-offset:3px}
.skip{position:absolute;left:-999px;top:8px;background:var(--panel);padding:8px 12px;border:1px solid var(--line)}
.skip:focus{left:16px;z-index:10}
.wrap{max-width:1160px;margin:0 auto;padding:0 16px}
@media (min-width:768px){.wrap{padding:0 24px}}

/* Floating navigation */
header{position:sticky;top:10px;z-index:5;padding:10px 12px 0;margin-bottom:-66px}
.nav{display:flex;align-items:center;justify-content:space-between;min-height:56px;gap:12px;max-width:1160px;margin:0 auto;padding:0 8px 0 14px;border:1px solid var(--line);border-radius:999px;background:color-mix(in srgb,var(--panel) 90%,transparent);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);box-shadow:0 6px 20px rgba(29,34,38,.08)}
.links{display:none;gap:4px;font-size:15px}
.links a{padding:6px 12px;border-radius:999px;color:var(--muted);text-decoration:none}
.links a:hover{color:var(--text)}
.links a.active{background:var(--sky);color:var(--text)}
@media (min-width:860px){.links{display:flex}}
.brand{display:flex;align-items:center;gap:10px;text-decoration:none;color:var(--text);font:700 17px var(--display)}
.mark{display:inline-grid;place-items:center;width:34px;height:34px;border-radius:9px;background:var(--accent);color:var(--on-accent);font:700 13px var(--display)}
.toggle{min-width:44px;min-height:44px;background:var(--panel);color:var(--text);border:1px solid var(--line);border-radius:999px;cursor:pointer;font:600 14px var(--body);padding:0 14px}

/* Hero */
.large-header{position:relative;overflow:hidden;min-height:calc(100vh - 30px);padding-top:66px;padding-bottom:12px;display:flex;align-items:center;background:var(--sky)}
.large-header::after,.page-head::after{content:"";position:absolute;left:0;right:0;bottom:0;background:var(--haze)}
.large-header::after{height:12px}
.page-head::after{height:8px}
.hero-grid{display:grid;gap:40px;align-items:center}
@media (min-width:960px){.hero-grid{grid-template-columns:1.25fr .75fr}}
.pill{display:inline-flex;padding:6px 14px;border-radius:999px;border:1px solid var(--line);background:var(--panel)}
.name{font:700 clamp(52px,9vw,104px)/.98 var(--display);margin:22px 0 16px;letter-spacing:-.03em;color:var(--text)}
.name span{color:var(--accent)}
.lead{font:700 clamp(23px,2.8vw,32px)/1.22 var(--display);margin:0 0 18px;max-width:24ch}
.photo{position:relative;justify-self:center;width:min(330px,80vw)}
.photo img{position:relative;display:block;width:100%;aspect-ratio:4/5;object-fit:cover;object-position:50% 20%;border-radius:28px;border:8px solid var(--panel);box-shadow:0 14px 36px rgba(29,34,38,.16)}
.photo .chip{position:absolute;left:-28px;bottom:-22px;max-width:230px;padding:12px 16px;border-radius:16px;background:var(--panel);border:1px solid var(--line);color:var(--text);text-decoration:none;font-weight:700;font-size:15px;line-height:1.3;box-shadow:0 8px 22px rgba(29,34,38,.12)}
.photo .chip small{display:block;font-size:12px;font-weight:600;margin-bottom:2px;color:var(--muted)}
@media (max-width:600px){.photo .chip{left:12px}}
.large-header canvas,.page-head canvas{position:absolute;inset:0;width:100%;height:100%;display:block}
.large-header .hero{position:relative;z-index:1;width:100%}
.hero{padding-top:64px;padding-bottom:48px}
.eyebrow{display:flex;align-items:center;gap:10px;font-size:15px;color:var(--text)}
.led{width:10px;height:10px;border-radius:50%;background:var(--led);box-shadow:0 0 0 4px color-mix(in srgb,var(--led) 22%,transparent)}
h1{font:700 clamp(30px,5vw,50px)/1.12 var(--display);margin:18px 0;max-width:22ch}
.sub{color:var(--muted);max-width:60ch;margin:0 0 24px}
.btns{display:flex;flex-wrap:wrap;gap:12px}
.btn{display:inline-flex;align-items:center;min-height:50px;padding:0 24px;border-radius:999px;font-weight:700;text-decoration:none;font-size:16px;transition:transform .15s}
.btn:hover{transform:translateY(-2px)}
.btn.primary{background:var(--accent);color:var(--on-accent)}
.btn.primary:hover{box-shadow:0 8px 20px color-mix(in srgb,var(--accent) 30%,transparent)}
.btn.ghost{border:2px solid var(--accent);color:var(--accent);background:transparent}
.employer{display:inline-flex;align-items:center;gap:14px;margin:0 0 22px;padding:8px 18px;border-radius:14px;background:#fff;border:1px solid var(--line);color:#1D2226}
.employer span{font-size:14px;font-weight:600}
.employer img{display:block;height:32px;width:auto}

section{padding:64px 0}
h2,.h-big{font:700 clamp(30px,4.2vw,46px)/1.08 var(--display);letter-spacing:-.02em;color:var(--text);margin:0 0 28px}
.kicker{font-size:17px;font-weight:700;color:var(--accent);margin:0 0 6px}

/* Numbers */
section.numbers{padding:0}
section.numbers .wrap{max-width:none;padding:0}
section.numbers h2{position:absolute;width:1px;height:1px;overflow:hidden;clip-path:inset(50%)}
.strip{display:grid;grid-template-columns:1fr}
@media (min-width:600px){.strip{grid-template-columns:repeat(2,1fr)}}
@media (min-width:1000px){.strip{grid-template-columns:repeat(4,1fr)}}
.tile{padding:40px 28px 34px;color:var(--text)}
.tile:nth-child(odd){background:var(--sky)}
.tile:nth-child(even){background:var(--mist)}
.meter{display:flex;gap:3px;margin-bottom:18px}
.meter i{flex:1;height:7px;border-radius:2px;background:var(--line)}
.meter i.on{background:var(--accent)}
.big{font:700 clamp(34px,3.5vw,50px)/1.05 var(--display);letter-spacing:-.02em;color:var(--accent)}
.what{margin:10px 0 12px;font-size:17px;font-weight:600}
.base{font-size:14px;color:var(--muted);border-top:2px solid var(--line);padding-top:10px}

/* Where I have worked and studied: logos keep their own colours on white plates in both themes */
.org-grid{display:grid;gap:14px;grid-template-columns:repeat(2,1fr)}
@media (min-width:760px){.org-grid{grid-template-columns:repeat(3,1fr)}}
.org{margin:0;border-radius:18px;background:var(--panel);border:1px solid var(--line);overflow:hidden;display:flex;flex-direction:column}
.org .plate{display:grid;place-items:center;height:124px;padding:18px 22px;background:#fff;border-bottom:1px solid var(--line)}
.org img{display:block;max-width:100%;max-height:88px;width:auto;height:auto}
.org figcaption{padding:12px 16px 14px;font-size:15px;color:var(--muted);line-height:1.35}
.org b{display:block;color:var(--text);font-size:16px}

/* Case studies: bento in light shades */
.cards{display:grid;grid-template-columns:1fr;gap:14px}
@media (min-width:700px){.cards{grid-template-columns:repeat(2,1fr)}}
@media (min-width:1000px){.cards{grid-template-columns:repeat(3,1fr)}.cards .card:first-child{grid-column:span 2}}
.card{position:relative;display:flex;flex-direction:column;min-height:236px;background:var(--panel);color:var(--text);border:1px solid var(--line);border-radius:22px;padding:24px;text-decoration:none;transition:transform .18s,box-shadow .18s}
.card:nth-child(3n+1){background:var(--sky);border-color:transparent}
.card:nth-child(3n+2){background:var(--mist);border-color:transparent}
.card:hover{transform:translateY(-4px);box-shadow:0 14px 30px rgba(29,34,38,.12)}
.card .meta{font-size:14px;display:flex;justify-content:space-between;gap:8px;font-weight:600;color:var(--muted)}
.card h3{font:700 clamp(22px,2.2vw,26px)/1.14 var(--display);margin:12px 0 8px;letter-spacing:-.01em}
.cards .card:first-child h3{font-size:clamp(28px,3.4vw,40px)}
.card p{margin:0 0 16px;font-size:16px;line-height:1.45;color:var(--muted)}
.card .num{margin-top:auto;font-weight:700;font-size:15px;color:var(--accent)}
.case{font-size:14px;font-weight:700;color:var(--muted)}

/* Flagship */
.feature{background:var(--sky);border-radius:30px;padding:32px;display:grid;gap:28px;align-items:center}
@media (min-width:860px){.feature{grid-template-columns:.95fr 1.05fr;padding:44px}}
.feature h3{font:700 clamp(26px,3.2vw,36px)/1.14 var(--display);margin:0 0 12px}
.feature p{color:var(--muted);margin:0 0 18px}
.feature .num{color:var(--accent);font-size:15px;font-weight:700;border-left:4px solid var(--accent);padding-left:12px;margin:0 0 22px}
.feature img{border-color:var(--line) !important}
.feature svg{width:100%;height:auto;display:block}

/* Beliefs band */
section:has(.beliefs){background:var(--sky)}
.beliefs{display:grid;gap:26px}
@media (min-width:800px){.beliefs{grid-template-columns:repeat(3,1fr)}}
.beliefs div{border-top:4px solid var(--accent);padding-top:14px}
.beliefs h3{font:700 23px/1.2 var(--display);margin:0 0 8px}
.beliefs p{margin:0;color:var(--muted);font-size:17px}

/* Tool and role cards */
.tools{display:grid;gap:14px;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));margin:16px 0}
.tool{background:var(--panel);border:1px solid var(--line);border-top:4px solid var(--accent);border-radius:16px;padding:16px 18px;margin:0}
.tool h4{font:700 19px/1.25 var(--display);margin:0 0 6px}
.tool p{margin:0 0 8px;color:var(--muted);font-size:15px}
.tool .src{font-size:12px;color:var(--muted)}
.tool .tag{display:inline-block;font-size:13px;font-weight:700;color:var(--text);background:var(--sky);padding:1px 9px;border-radius:999px;margin-bottom:8px}

/* Experience */
.tl{list-style:none;margin:0 0 20px;padding:0;border-left:4px solid var(--line)}
.tl li{position:relative;padding:0 0 22px 24px}
.tl li::before{content:"";position:absolute;left:-12px;top:6px;width:20px;height:20px;border-radius:50%;background:var(--accent);border:4px solid var(--bg)}
.tl .yr{font-size:14px;color:var(--muted)}
.tl b{display:block;font-size:18px}
.tags{display:grid;gap:12px}
.tags div{background:var(--panel);border:1px solid var(--line);border-radius:14px;padding:14px 18px;font-size:16px;display:grid;grid-template-columns:92px 1fr;gap:8px;align-items:baseline}
.tags span{font-size:15px;font-weight:700;color:var(--accent)}

/* Credentials and closing note */
.certs{display:grid;gap:14px}
@media (min-width:800px){.certs{grid-template-columns:1fr 1fr}}
.certs .box{background:var(--panel);border:1px solid var(--line);border-left:6px solid var(--accent);border-radius:16px;padding:20px 22px}
.certs h3{font:700 19px var(--display);margin:0 0 10px}
.certs ul{margin:0;padding-left:18px}
.certs li{margin:4px 0;font-size:16px}
.note{background:var(--sky);border-radius:30px;padding:44px 36px}
.note .h-big{max-width:24ch}
.two{display:grid;gap:36px}
@media (min-width:900px){.two{grid-template-columns:1fr 1fr}}
footer{padding:0 0 40px;color:var(--muted);font-size:15px}
footer::before{content:"";display:block;height:8px;background:var(--haze);margin-bottom:28px}
footer .row{display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px}

/* Case and info pages */
.page-head{position:relative;overflow:hidden;padding:120px 0 72px;background:var(--sky)}
.page-head .wrap{position:relative;z-index:1}
.crumb{font-size:14px;color:var(--muted);margin:0 0 14px}
.crumb a{color:var(--muted)}
.page-title{font:700 clamp(36px,6vw,64px)/1.03 var(--display);margin:10px 0 14px;letter-spacing:-.025em;max-width:20ch}
.page-sub{font-size:clamp(18px,2vw,22px);color:var(--muted);max-width:62ch;margin:0}
.facts{display:grid;grid-template-columns:repeat(auto-fit,minmax(170px,1fr));gap:12px;margin-top:28px}
.facts div{background:var(--panel);border:1px solid var(--line);border-radius:14px;padding:12px 16px}
.facts b{display:block;font-size:14px;font-weight:600;margin-bottom:2px;color:var(--muted)}
.facts span{font:700 17px/1.25 var(--display)}
.layout{display:grid;gap:40px;padding:48px 16px}
@media (min-width:768px){.layout{padding:48px 24px}}
@media (min-width:1000px){.layout{grid-template-columns:220px 1fr}}
.toc{position:sticky;top:96px;align-self:start;display:none}
@media (min-width:1000px){.toc{display:block}}
.toc p{font-size:15px;font-weight:700;margin:0 0 10px}
.toc a{display:block;color:var(--muted);text-decoration:none;font-size:15px;padding:6px 12px;border-left:4px solid var(--line)}
.toc a.active,.toc a:hover{color:var(--text);border-left-color:var(--accent)}
.prose{min-width:0}
.prose section{padding:0 0 44px}
.prose h2{font-size:clamp(25px,3vw,33px);margin:0 0 14px;padding-bottom:8px;border-bottom:3px solid var(--haze)}
.prose h3{font:700 21px/1.25 var(--display);margin:26px 0 8px}
.prose p,.prose li{font-size:17px}
.prose ul,.prose ol{padding-left:22px}
.prose ul li::marker{color:var(--accent)}
.prose li{margin:6px 0}
.ba{display:grid;gap:14px;margin:18px 0}
@media (min-width:760px){.ba{grid-template-columns:1fr 1fr}}
.ba>div{border-radius:16px;padding:20px}
.ba .before{background:var(--mist)}
.ba .after{background:var(--sky)}
.ba b{display:block;font-size:15px;margin-bottom:6px}
.ba .big{font-size:32px;margin:4px 0 8px}
.steps{counter-reset:s;list-style:none;padding:0}
.steps li{counter-increment:s;position:relative;padding:2px 0 14px 50px}
.steps li::before{content:counter(s);position:absolute;left:0;top:0;display:grid;place-items:center;width:34px;height:34px;border-radius:50%;background:var(--accent);color:var(--on-accent);font:700 15px var(--display)}
.callout{border-left:5px solid var(--accent);background:var(--sky);border-radius:0 14px 14px 0;padding:14px 18px;margin:16px 0}
.stack{display:flex;flex-wrap:wrap;gap:8px;margin:10px 0}
.stack span{font-size:14px;font-weight:600;border-radius:999px;padding:4px 12px;background:var(--mist)}
.diagram{margin:0;background:var(--panel);border:1px solid var(--line);border-radius:16px;padding:20px}
.diagram svg{width:100%;height:auto;display:block}
.diagram figcaption{font-size:14px;color:var(--muted);margin-top:10px}
.pager{display:grid;gap:12px;grid-template-columns:1fr;padding:24px 0 8px}
@media (min-width:560px){.pager{grid-template-columns:1fr 1fr}}
.pager a{display:block;border-radius:16px;padding:16px 18px;text-decoration:none;font-weight:700;background:var(--sky);color:var(--accent)}
.pager a small{display:block;font-size:13px;font-weight:600;color:var(--muted)}
.pager a:last-child{text-align:right}
table.grid{width:100%;border-collapse:collapse;margin:14px 0;font-size:15px}
table.grid th,table.grid td{border-bottom:1px solid var(--line);padding:9px 10px;text-align:left;vertical-align:top}
table.grid th{background:var(--sky);font-size:14px;font-weight:700}
table.grid th:first-child{border-radius:10px 0 0 0}
table.grid th:last-child{border-radius:0 10px 0 0}
.scroll-x{overflow-x:auto}
.timeline-flow{display:flex;flex-wrap:wrap;gap:8px;align-items:center;margin:12px 0}
.timeline-flow span{background:var(--mist);border-radius:10px;padding:8px 12px;font-size:14px}
.timeline-flow i{color:var(--muted);font-style:normal}
.timeline-flow.good span{background:var(--sky)}

/* Refinements: quieter type, one lead card per grid, phone navigation, readable case pages */
html{scroll-padding-top:104px}
body{font-size:17px;line-height:1.65;-webkit-font-smoothing:antialiased}
section{padding:52px 0}
h2,.h-big{font-size:clamp(28px,3vw,40px);line-height:1.12;margin-bottom:24px}
.name{font-size:clamp(46px,6.4vw,82px);line-height:1.02;letter-spacing:-.035em}
.lead{font-weight:600;font-size:clamp(22px,2.2vw,29px);line-height:1.28;max-width:27ch;letter-spacing:-.015em}
.page-title{font-size:clamp(34px,4.6vw,56px);line-height:1.06;letter-spacing:-.025em}
.big{letter-spacing:-.015em}

/* Navigation stays on one row only where it fits; below that the links take a second, scrolling row */
.nav{background:color-mix(in srgb,var(--panel) 95%,transparent)}
.brand{white-space:nowrap}
.links a{display:inline-flex;align-items:center;white-space:nowrap}
.links a:hover{background:var(--mist)}
.links a.active{color:var(--accent);font-weight:600}
@media (max-width:1099px){
  html{scroll-padding-top:136px}
  header{margin-bottom:-120px}
  .nav{flex-wrap:wrap;gap:2px 8px;padding:6px 8px 4px 12px;border-radius:22px}
  .brand{order:1}
  .toggle{order:2;margin-left:auto}
  .links{display:flex;order:3;flex:0 0 100%;min-width:0;overflow-x:auto;scrollbar-width:none;-webkit-mask-image:linear-gradient(90deg,#000 88%,transparent);mask-image:linear-gradient(90deg,#000 88%,transparent);padding-right:28px}
  .links::-webkit-scrollbar{display:none}
  .links a{min-height:44px;padding:6px 12px}
  .large-header{padding-top:112px}
  .page-head{padding-top:148px}
}

/* Hero: content sets the height; the network stays beside the words, never behind them */
.large-header{min-height:0}
.large-header::after{height:6px}
.page-head::after{height:6px}
.large-header .hero{padding-top:64px;padding-bottom:64px}
.eyebrow.pill{display:inline-flex;width:auto;max-width:100%;font-size:15px}
.photo{width:min(310px,80vw)}
.large-header canvas,.page-head canvas{pointer-events:none;-webkit-mask-image:linear-gradient(90deg,transparent 42%,#000 78%);mask-image:linear-gradient(90deg,transparent 42%,#000 78%)}
.large-header canvas{opacity:.4}
.page-head canvas{opacity:.18}
@media (max-width:959px){.large-header canvas,.page-head canvas{display:none}}

/* Cards: one surface, one lead case per grid, the result on a ruled line */
.meter{display:none}
.card,.card:nth-child(3n+1),.card:nth-child(3n+2){background:var(--panel);border-color:var(--line)}
.card{min-height:216px;border-radius:16px;padding:22px;transition:border-color .18s,box-shadow .18s}
.cards{gap:16px}
.cards .card:first-child{background:var(--sky);border-color:color-mix(in srgb,var(--accent) 28%,var(--line))}
.card:hover{transform:none;border-color:var(--accent);box-shadow:0 6px 18px rgba(24,35,46,.08)}
.card:hover h3{color:var(--accent)}
.card:focus-visible{outline:3px solid var(--accent);outline-offset:3px}
.card h3{font-size:clamp(21px,1.9vw,24px);line-height:1.2}
.cards .card:first-child h3{font-size:clamp(25px,2.6vw,34px)}
.card .meta{font-weight:500}
.card p{margin-bottom:14px}
.card .num{padding-top:12px;border-top:1px solid var(--line);font-variant-numeric:tabular-nums}
.cards .card:first-child .num{border-top-color:color-mix(in srgb,var(--accent) 24%,var(--line))}
.feature,.note{border-radius:22px}

/* Logos: equal optical weight, the role underneath does the talking */
.org .plate{height:104px;padding:14px 22px}
.org img{max-width:80%;max-height:58px;object-fit:contain}
.org figcaption{line-height:1.4}

/* Case pages read as technical documents */
.page-head{padding-bottom:52px}
.page-sub{font-size:clamp(18px,1.7vw,20px);line-height:1.5}
.facts{grid-template-columns:repeat(auto-fit,minmax(150px,1fr));margin-top:24px}
.facts span{display:block;font:600 16px/1.35 var(--body)}
.prose p,.prose li{max-width:74ch;line-height:1.7}
.prose h2{padding-bottom:6px;border-bottom:1px solid var(--line)}
.toc a.active{background:var(--sky)}

@media (max-width:640px){
  section{padding:44px 0}
  .card{min-height:0;padding:20px}
  .cards{gap:12px}
}
@media (max-width:479px){.org-grid{grid-template-columns:1fr}}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{transition:none !important;animation:none !important}
  .btn:hover{transform:none}
  .large-header canvas,.page-head canvas{display:none}
}