/* Layout: a data catalogue. Wide display name over a live index table; projects read like dataset entries with source, rows and last refresh. */
:root{
  --paper:#f3f4f1; --surface:#ffffff; --surface-2:#f8f9f6; --ink:#15171b; --muted:#5d636b; --faint:#8a9097; --line:#dcdfd8;
  --accent:#2443d6; --accent-ink:#ffffff;
  --t-health-data:#c2367a; --t-data-analytics:#c8323f; --t-data-science:#2443d6; --t-data-engineering:#0f8a7a; --t-ai:#7a3fd1; --t-engineering:#b4610f;
  --live:#1f8a57;
  --font-display:"Unbounded","Arial Black",system-ui,sans-serif;
  --font-body:"Public Sans",system-ui,-apple-system,"Segoe UI",sans-serif;
  --font-mono:"JetBrains Mono",ui-monospace,Menlo,Consolas,monospace;
  --radius:14px;
}
@media (prefers-color-scheme: dark){ :root:not([data-theme="light"]){
  --paper:#0f1114; --surface:#171a1f; --surface-2:#1c2026; --ink:#eceef0; --muted:#9aa1aa; --faint:#6c737c; --line:#2a2e35;
  --accent:#7b8fff; --accent-ink:#0f1114;
  --t-health-data:#e86aa0; --t-data-analytics:#e2525e; --t-data-science:#7b8fff; --t-data-engineering:#2bb39f; --t-ai:#a87df0; --t-engineering:#e0913f; --live:#3fbf7f; color-scheme:dark; } }
:root[data-theme="dark"]{
  --paper:#0f1114; --surface:#171a1f; --surface-2:#1c2026; --ink:#eceef0; --muted:#9aa1aa; --faint:#6c737c; --line:#2a2e35;
  --accent:#7b8fff; --accent-ink:#0f1114;
  --t-health-data:#e86aa0; --t-data-analytics:#e2525e; --t-data-science:#7b8fff; --t-data-engineering:#2bb39f; --t-ai:#a87df0; --t-engineering:#e0913f; --live:#3fbf7f; color-scheme:dark; }

*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--paper);color:var(--ink);font-family:var(--font-body);font-size:16px;line-height:1.6;-webkit-font-smoothing:antialiased}
a{color:inherit}
img{max-width:100%;display:block}
.wrap{max-width:1200px;margin:0 auto;padding-inline:clamp(16px,4vw,40px)}
h1,h2,h3{margin:0;text-wrap:balance;line-height:1.1}
p{margin:0}
.mono{font-family:var(--font-mono)}
.eyebrow{font-family:var(--font-mono);font-size:12px;letter-spacing:.1em;text-transform:uppercase;color:var(--muted)}
:focus-visible{outline:2px solid var(--accent);outline-offset:3px;border-radius:4px}

/* ---------- top bar */
.top{position:sticky;top:env(safe-area-inset-top,0px);z-index:10;background:color-mix(in srgb,var(--paper) 86%,transparent);backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}
.top .wrap{display:flex;align-items:center;gap:20px;min-height:64px;flex-wrap:wrap;padding-block:8px}
.brand{display:flex;align-items:center;gap:10px;text-decoration:none;font-weight:600;letter-spacing:-.01em}
.mark{width:34px;height:34px;border-radius:9px;background:var(--ink);color:var(--paper);display:grid;place-items:center;font-family:var(--font-display);font-size:9.5px;font-weight:700;letter-spacing:0}
.nav{display:flex;gap:4px;margin-left:auto;flex-wrap:wrap}
.nav a{text-decoration:none;font-size:14px;color:var(--muted);padding:6px 10px;border-radius:8px;display:flex;align-items:center;gap:7px}
.nav a:hover{color:var(--ink);background:var(--surface)}
.nav a[aria-current="page"]{color:var(--ink);background:var(--surface);box-shadow:inset 0 0 0 1px var(--line)}
.nav a i{width:7px;height:7px;border-radius:2px;display:inline-block}
.theme{all:unset;cursor:pointer;width:36px;height:36px;border-radius:9px;display:grid;place-items:center;color:var(--muted);border:1px solid var(--line)}
.theme:hover{color:var(--ink)}
.theme:focus-visible{outline:2px solid var(--accent);outline-offset:2px}
.menu-btn{display:none}
@media (max-width:860px){
  .nav{order:3;width:100%;margin-left:0;overflow-x:auto;flex-wrap:nowrap;padding-bottom:4px}
  .nav a{white-space:nowrap}
  .theme{margin-left:auto}
}

/* ---------- hero */
.hero{padding-block:clamp(40px,7vw,88px) clamp(32px,5vw,56px);display:grid;grid-template-columns:minmax(0,1.25fr) minmax(0,1fr);gap:clamp(24px,4vw,56px);align-items:end}
.hero h1{font-family:var(--font-display);font-weight:700;font-size:clamp(40px,6.4vw,84px);letter-spacing:-.035em;line-height:.95}
.hero h1 span{display:block;color:var(--muted);font-weight:500}
.hero .lede{margin-top:22px;font-size:clamp(17px,1.6vw,20px);color:var(--muted);max-width:44ch}
.hero .lede b{color:var(--ink);font-weight:600}
.cta{display:flex;gap:10px;flex-wrap:wrap;margin-top:26px}
.btn{display:inline-flex;align-items:center;gap:8px;text-decoration:none;font-weight:600;font-size:15px;padding:11px 16px;border-radius:10px;border:1px solid var(--line);background:var(--surface);color:var(--ink);cursor:pointer}
.btn:hover{border-color:var(--ink)}
.btn.primary{background:var(--ink);color:var(--paper);border-color:var(--ink)}
.btn.primary:hover{opacity:.9}
.btn svg{width:16px;height:16px}

/* live index table */
.index{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;font-family:var(--font-mono);font-size:12.5px}
.index .q{padding:12px 16px;border-bottom:1px solid var(--line);color:var(--muted);display:flex;justify-content:space-between;gap:8px;flex-wrap:wrap}
.index .q b{color:var(--ink);font-weight:500}
.index table{width:100%;border-collapse:collapse;font-variant-numeric:tabular-nums}
.index th,.index td{text-align:left;padding:10px 16px;border-bottom:1px solid var(--line);white-space:nowrap}
.index th{font-weight:500;color:var(--faint);font-size:11px;text-transform:uppercase;letter-spacing:.06em}
.index tr:last-child td{border-bottom:0}
.index td a{text-decoration:none}
.index td a:hover{text-decoration:underline}
.index td.num{text-align:right}
.index .scroll{overflow-x:auto}
.sw{display:inline-block;width:8px;height:8px;border-radius:2px;margin-right:8px;vertical-align:0}

/* status chips */
.chip{align-self:flex-start;display:inline-flex;align-items:center;gap:6px;font-family:var(--font-mono);font-size:11px;padding:3px 8px;border-radius:99px;border:1px solid var(--line);color:var(--muted);white-space:nowrap}
.chip.live{color:var(--live);border-color:color-mix(in srgb,var(--live) 45%,var(--line))}
.chip.live::before{content:"";width:7px;height:7px;border-radius:50%;background:var(--live);animation:pulse 2s ease-in-out infinite}
.chip.soon::before{content:"";width:7px;height:7px;border-radius:50%;border:1.5px dashed var(--faint)}
@keyframes pulse{0%,100%{box-shadow:0 0 0 0 color-mix(in srgb,var(--live) 50%,transparent)}50%{box-shadow:0 0 0 5px transparent}}

/* ---------- sections */
section.block{padding-block:clamp(36px,6vw,72px);border-top:1px solid var(--line)}
.sec-head{display:flex;justify-content:space-between;align-items:end;gap:16px;flex-wrap:wrap;margin-bottom:28px}
.sec-head h2{font-family:var(--font-display);font-weight:600;font-size:clamp(24px,3vw,36px);letter-spacing:-.02em}
.sec-head p{color:var(--muted);max-width:52ch}

/* featured project */
.feature{display:grid;grid-template-columns:minmax(0,1.35fr) minmax(0,1fr);gap:0;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden}
.feature .shot{display:block;position:relative;background:#0f0b0d;border-right:1px solid var(--line);overflow:hidden}
.feature .shot img{width:100%;height:100%;object-fit:cover;object-position:top left;transition:transform .5s ease}
.feature .shot:hover img{transform:scale(1.02)}
.feature .body{padding:clamp(20px,3vw,32px);display:flex;flex-direction:column;gap:16px;min-width:0}
.feature .client{display:flex;align-items:center;gap:10px;flex-wrap:wrap}
.feature .client img{height:26px;width:auto}
.feature h3{font-family:var(--font-display);font-weight:600;font-size:clamp(24px,2.6vw,32px);letter-spacing:-.02em}
.feature .quote{font-size:19px;font-weight:600;line-height:1.3}
.feature .quote em{font-style:normal;color:var(--t-data-analytics)}
.feature .sum{color:var(--muted)}
.stats{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:1px;background:var(--line);border:1px solid var(--line);border-radius:10px;overflow:hidden}
.stats div{background:var(--surface-2);padding:10px 12px;min-width:0}
.stats b{display:block;font-family:var(--font-display);font-size:18px;font-weight:600;letter-spacing:-.02em;font-variant-numeric:tabular-nums}
.stats span{font-size:12px;color:var(--muted)}
.meta-line{font-family:var(--font-mono);font-size:12px;color:var(--muted);display:flex;flex-wrap:wrap;gap:6px 14px}
.meta-line a{color:var(--ink)}
.tags{display:flex;gap:6px;flex-wrap:wrap}
.tag{font-size:12px;padding:3px 8px;border-radius:6px;background:var(--surface-2);border:1px solid var(--line);color:var(--muted)}
.theme-img-dark{display:none}
@media (prefers-color-scheme: dark){ :root:not([data-theme="light"]) .theme-img-dark{display:block} :root:not([data-theme="light"]) .theme-img-light{display:none} }
:root[data-theme="dark"] .theme-img-dark{display:block}
:root[data-theme="dark"] .theme-img-light{display:none}

/* tracks grid */
.tracks{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:14px}
.track{position:relative;display:flex;flex-direction:column;gap:12px;padding:20px;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);text-decoration:none;min-width:0;transition:border-color .2s,transform .2s}
.track:hover{border-color:var(--tc);transform:translateY(-2px)}
.track .glyph{width:44px;height:44px;border-radius:10px;background:color-mix(in srgb,var(--tc) 12%,transparent);display:grid;place-items:center;color:var(--tc)}
.track .glyph svg{width:26px;height:26px}
.track h3{font-family:var(--font-display);font-size:18px;font-weight:600;letter-spacing:-.01em}
.track p{color:var(--muted);font-size:14.5px}
.track .foot{margin-top:auto;display:flex;justify-content:space-between;align-items:center;gap:8px;padding-top:6px}
.track .arrow{color:var(--faint);font-size:18px;transition:transform .2s}
.track:hover .arrow{transform:translateX(3px);color:var(--tc)}

/* about teaser / contact */
.split{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:clamp(24px,4vw,56px)}
.prose p+p{margin-top:14px}
.prose p{max-width:62ch}
.contact{display:flex;flex-direction:column;gap:10px}
.contact a,.contact .row{display:flex;justify-content:space-between;align-items:center;gap:12px;padding:14px 16px;background:var(--surface);border:1px solid var(--line);border-radius:10px;text-decoration:none;min-width:0}
.contact a:hover{border-color:var(--ink)}
.contact .k{font-family:var(--font-mono);font-size:12px;color:var(--muted);text-transform:uppercase;letter-spacing:.06em}
.contact .v{font-weight:500;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.copy{all:unset;cursor:pointer;font-family:var(--font-mono);font-size:12px;color:var(--accent)}
.draft{border:1px dashed var(--t-data-analytics);color:var(--t-data-analytics);border-radius:8px;padding:8px 12px;font-size:13px;font-family:var(--font-mono)}

/* page header (subpages) */
.page-head{padding-block:clamp(40px,6vw,72px) clamp(24px,4vw,40px);display:flex;flex-direction:column;gap:14px}
.page-head h1{font-family:var(--font-display);font-weight:700;font-size:clamp(36px,5.6vw,68px);letter-spacing:-.035em}
.page-head .lede{color:var(--muted);font-size:clamp(17px,1.5vw,19px);max-width:56ch}
.crumbs{font-family:var(--font-mono);font-size:12px;color:var(--muted)}
.crumbs a{color:var(--muted)}

/* gallery */
.gallery{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}
.card{display:flex;flex-direction:column;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;min-width:0}
.card .shot{aspect-ratio:16/9;max-width:100%;overflow:hidden;background:#0f0b0d;border-bottom:1px solid var(--line)}
.card .shot img{width:100%;height:100%;object-fit:cover;object-position:top left}
.card .body{padding:18px 20px 20px;display:flex;flex-direction:column;gap:10px}
.card h3{font-family:var(--font-display);font-size:20px;font-weight:600;letter-spacing:-.01em}
.card p{color:var(--muted);font-size:14.5px}
.card .actions{display:flex;gap:8px;flex-wrap:wrap;margin-top:4px}
.card.slot{border-style:dashed;background:transparent;justify-content:center;align-items:flex-start;padding:28px;gap:10px;min-height:260px}
.card.slot h3{color:var(--muted)}

/* coming soon */
.soonwrap{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:16px;margin-bottom:clamp(40px,6vw,72px)}
.soonwrap .panel{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:clamp(20px,3vw,32px);display:flex;flex-direction:column;gap:14px;min-width:0}
.soonwrap .big{font-family:var(--font-display);font-size:clamp(28px,3.4vw,44px);font-weight:700;letter-spacing:-.03em;color:var(--tc)}
.soonwrap ul{margin:0;padding:0;list-style:none;display:flex;flex-direction:column;gap:10px}
.soonwrap li{display:flex;gap:10px;align-items:flex-start;color:var(--muted)}
.soonwrap li::before{content:"";flex:none;width:8px;height:8px;margin-top:9px;border-radius:2px;background:var(--tc)}
.soonwrap canvas{width:100%;height:180px;border-radius:10px;background:var(--surface-2);border:1px solid var(--line)}

/* about page */
.timeline{display:flex;flex-direction:column;gap:0;border-left:2px solid var(--line);margin-left:6px}
.timeline .item{position:relative;padding:0 0 22px 22px}
.timeline .item::before{content:"";position:absolute;left:-7px;top:6px;width:12px;height:12px;border-radius:50%;background:var(--paper);border:2px solid var(--accent)}
.timeline .role{font-weight:600}
.timeline .org{color:var(--muted)}
.timeline .dates{font-family:var(--font-mono);font-size:12px;color:var(--faint)}
.timeline .note{color:var(--muted);font-size:14.5px;margin-top:4px;max-width:60ch}
.skills{display:flex;flex-wrap:wrap;gap:8px}

footer{border-top:1px solid var(--line);padding-block:28px 40px;color:var(--muted);font-size:14px}
footer .wrap{display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap}
footer a{color:var(--muted)}

@media (max-width:980px){
  .tracks{grid-template-columns:repeat(2,minmax(0,1fr))}
  .tracks .track:last-child{grid-column:span 2}
  .hero,.feature,.split,.soonwrap{grid-template-columns:minmax(0,1fr)}
  .feature .shot{border-right:0;border-bottom:1px solid var(--line);aspect-ratio:16/10}
}
@media (max-width:620px){
  .tracks,.gallery{grid-template-columns:minmax(0,1fr)}
  .stats{grid-template-columns:minmax(0,1fr)}
}
@media (prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important;scroll-behavior:auto!important}}

#certs td{white-space:normal}
#certs td:last-child{white-space:nowrap}

/* category tags: a project can belong to several tracks */
.track-tags{display:flex;flex-wrap:wrap;gap:6px;margin:2px 0 4px}
.ttag{display:inline-flex;align-items:center;gap:6px;font-family:var(--font-mono);font-size:11px;padding:3px 9px;border-radius:99px;border:1px solid color-mix(in srgb,var(--tc) 40%,var(--line));color:var(--ink);text-decoration:none;background:color-mix(in srgb,var(--tc) 7%,transparent)}
.ttag::before{content:"";width:7px;height:7px;border-radius:2px;background:var(--tc)}
.ttag:hover{border-color:var(--tc)}
.ttag.here{font-weight:600;border-color:var(--tc)}

/* skills matrix */
.matrix-wrap{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden}
.matrix{overflow-x:auto}
.matrix table{border-collapse:separate;border-spacing:0;width:100%;font-size:13px}
.matrix th,.matrix td{padding:8px 6px;border-bottom:1px solid var(--line);text-align:center;white-space:nowrap}
.matrix tr.grp th{font-family:var(--font-mono);font-size:10.5px;font-weight:500;text-transform:uppercase;letter-spacing:.06em;color:var(--faint);padding-top:12px;border-bottom:0}
.matrix th.tool button{all:unset;cursor:pointer;font-family:var(--font-mono);font-size:11.5px;color:var(--muted);padding:3px 6px;border-radius:6px;writing-mode:vertical-rl;transform:rotate(180deg);line-height:1.2}
.matrix th.tool button:hover{color:var(--ink)}
.matrix th.tool button:focus-visible{outline:2px solid var(--ink)}
.matrix th.tool button[aria-pressed="true"]{background:var(--ink);color:var(--surface)}
.matrix .proj{text-align:left;position:sticky;left:0;background:var(--surface);z-index:1;padding-left:16px;padding-right:12px;min-width:200px;white-space:normal}
.matrix thead th.proj{font-family:var(--font-mono);font-size:11px;font-weight:500;color:var(--faint);text-transform:uppercase;letter-spacing:.06em;vertical-align:bottom}
.matrix td.proj a{text-decoration:none;font-weight:500}
.matrix td.proj a:hover{text-decoration:underline}
.matrix .gs{border-left:1px solid var(--line)}
.matrix .dot{display:inline-block;width:11px;height:11px;border-radius:50%}
.matrix .off{color:var(--line)}
.matrix .col-hi{background:color-mix(in srgb,var(--ink) 6%,transparent)}
.matrix tr.dim td:not(.proj){opacity:.25}
.matrix tr.dim td.proj{opacity:.45}
.matrix tfoot td{font-family:var(--font-mono);font-size:11.5px;color:var(--muted);border-bottom:0}
.matrix tfoot td.proj{font-size:11px;text-transform:uppercase;letter-spacing:.06em;color:var(--faint)}
.matrix-note{font-family:var(--font-mono);font-size:12px;color:var(--muted);padding:10px 16px;border-top:1px solid var(--line)}
@media (max-width:640px){.matrix .proj{min-width:130px;max-width:150px;font-size:12px;padding-left:12px}.matrix th,.matrix td{padding:7px 4px}}