:root{
  --bg:#ece5d0; --surface:#f8f3e5; --ink:#2b2a1f; --muted:#655f46; --line:#d6ccaf;
  --accent:#4d6b37; --accent-ink:#fff; --now:#a4622a;
  /* tatami: mat border (heri), straw weave, hinoki wood beam */
  --heri:#2e3a2a; --weave:rgba(110,95,40,.07); --wood1:#ead6ad; --wood2:#d8bb8b; --wood-edge:#7d5c36;
  --display:"Zen Kaku Gothic New","Hiragino Sans",system-ui,sans-serif;
  --sans:"Hanken Grotesk",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
}
/* theme: follows the system unless data-theme="light|dark" is set on <html> (see theme.js) */
:root{color-scheme:light dark}
:root[data-theme="light"]{color-scheme:light}
:root[data-theme="dark"]{color-scheme:dark;--bg:#1a1a14;--surface:#24241a;--ink:#ebe5d2;--muted:#a7a084;--line:#3a382b;--accent:#9cc07a;--accent-ink:#17170f;--now:#e09a52;--heri:#5d7650;--weave:rgba(255,250,220,.025);--wood1:#3b2d1f;--wood2:#2c2217;--wood-edge:#0e0c09}
@media (prefers-color-scheme:dark){
  :root:not([data-theme="light"]){--bg:#1a1a14;--surface:#24241a;--ink:#ebe5d2;--muted:#a7a084;--line:#3a382b;--accent:#9cc07a;--accent-ink:#17170f;--now:#e09a52;--heri:#5d7650;--weave:rgba(255,250,220,.025);--wood1:#3b2d1f;--wood2:#2c2217;--wood-edge:#0e0c09}
}
*{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}}
body{margin:0;background:repeating-linear-gradient(90deg,var(--weave) 0 1px,transparent 1px 5px),var(--bg);color:var(--ink);font:1.0625rem/1.65 var(--sans)}
a{color:var(--accent);text-underline-offset:.18em}
a:hover{text-decoration-thickness:2px}
:focus-visible{outline:3px solid var(--accent);outline-offset:3px;border-radius:2px}
.skip{position:absolute;left:-999px;top:0;background:var(--accent);color:var(--accent-ink);padding:.5rem 1rem;z-index:10}
.skip:focus{left:0}
.wrap{max-width:62rem;margin:0 auto;padding:0 1.5rem}
header.site{background:repeating-linear-gradient(177deg,rgba(110,70,25,.07) 0 2px,transparent 2px 11px),linear-gradient(180deg,var(--wood1),var(--wood2));border-bottom:4px solid var(--wood-edge);box-shadow:0 8px 20px -12px rgba(0,0,0,.45)}
header.site .wrap{display:flex;gap:1.5rem;align-items:baseline;justify-content:space-between;flex-wrap:wrap;padding-top:1.1rem;padding-bottom:1.1rem}
header.site .brand{font:700 1.15rem var(--display);color:var(--ink);text-decoration:none}
header.site nav{display:flex;gap:1.5rem;flex-wrap:wrap}
header.site nav a{color:var(--muted);text-decoration:none;padding:.15rem 0;border-bottom:2px solid transparent}
header.site nav a:hover{color:var(--ink)}
header.site nav a[aria-current="page"]{color:var(--ink);border-bottom-color:var(--accent)}
header.site nav{margin-left:auto}
.theme-toggle{display:inline-flex;align-self:center;border:1px solid var(--line);border-radius:999px;padding:2px;background:var(--surface)}
.theme-toggle button{display:grid;place-items:center;width:2rem;height:1.75rem;border:0;border-radius:999px;background:none;color:var(--muted);cursor:pointer;padding:0}
.theme-toggle button:hover{color:var(--ink)}
.theme-toggle button[aria-pressed="true"]{background:var(--accent);color:var(--accent-ink)}
.theme-toggle svg{width:1rem;height:1rem}
@media (max-width:44rem){
  header.site .wrap{row-gap:.75rem}
  .theme-toggle{order:1;margin-left:auto}
  header.site nav{order:2;flex-basis:100%;margin-left:0;gap:.5rem 1.25rem}
}
h1,h2,h3{font-family:var(--display);line-height:1.15;margin:0;font-weight:700}
h1{font-size:clamp(2.6rem,7vw,4.5rem)}
h2{display:flex;align-items:center;gap:1rem;font-size:clamp(1.6rem,3.4vw,2.1rem)}
h2::after{content:"";flex:1;height:1px;background:linear-gradient(90deg,var(--line),transparent)}
h3{font-size:1.3rem}
p{margin:0 0 1rem}
.lede{font:400 clamp(1.3rem,2.6vw,1.65rem)/1.4 var(--display);max-width:38rem;color:var(--ink)}
.measure{max-width:40rem}
section{padding:3.5rem 0 0}
main{padding-bottom:5rem}
.hero{padding-top:4rem}
.hero .lede{margin-top:1.25rem}
.actions{display:flex;gap:.75rem;flex-wrap:wrap;margin-top:2rem}
.btn{display:inline-block;padding:.7rem 1.2rem;border-radius:3px;font-weight:600;text-decoration:none;border:2px solid var(--accent)}
.btn.primary{background:var(--accent);color:var(--accent-ink);box-shadow:0 3px 0 color-mix(in srgb,var(--accent) 55%,#000)}
.btn.secondary{color:var(--accent);background:var(--surface);box-shadow:0 3px 0 var(--line)}
.btn:hover{filter:brightness(1.08)}
.btn:active{transform:translateY(2px);box-shadow:none}
/* mat cards */
.work li,.oss>li,dl.facts,.skills,.role>div:last-child{background:var(--surface);border:1px solid var(--line);border-left:6px solid var(--heri);border-radius:2px;box-shadow:0 2px 0 var(--line),0 16px 32px -24px rgba(0,0,0,.4)}
dl.facts,.skills{padding:1.4rem 1.6rem}
dl.facts{display:grid;grid-template-columns:max-content 1fr;gap:.6rem 2rem;margin:1.5rem 0 0;max-width:46rem}
dl.facts dt{color:var(--muted)}
dl.facts dd{margin:0}
dl.facts dd+dt,dl.facts dd{border-top:0}
.work{list-style:none;margin:1.5rem 0 0;padding:0;max-width:46rem}
.work li{padding:1.1rem 1.4rem;margin-bottom:.8rem}
.work strong{font-family:var(--display);font-size:1.2rem;font-weight:700}
.contact-list{list-style:none;padding:0;margin:1.25rem 0 0;display:grid;gap:.5rem}
.contact-list span{display:inline-block;min-width:6.5rem;color:var(--muted)}
.pill-list{display:flex;flex-wrap:wrap;gap:.4rem;list-style:none;padding:0;margin:.5rem 0 0}
.pill-list li{border:1px solid var(--line);background:var(--surface);border-radius:999px;padding:.1rem .75rem;font-size:.95rem}

/* ---------- timeline ---------- */
.timeline{position:relative;margin-top:2rem}
.timeline::before{content:"";position:absolute;left:12.4rem;top:.4rem;bottom:0;width:2px;background:var(--heri);opacity:.35}
.timeline::after{content:"";position:absolute;left:12.4rem;top:.4rem;bottom:0;width:2px;background:var(--accent);transform-origin:top;transform:scaleY(0)}
@supports (animation-timeline:view()){
  .timeline::after{animation:draw linear both;animation-timeline:view();animation-range:entry 10% cover 85%}
  @keyframes draw{to{transform:scaleY(1)}}
}
@media (prefers-reduced-motion:reduce){.timeline::after{animation:none;transform:scaleY(1)}}
.role{display:grid;grid-template-columns:11rem 1fr;gap:0 2.5rem;padding-bottom:2.75rem;position:relative}
.role .when{position:sticky;top:1.5rem;align-self:start;text-align:right;color:var(--muted);font-size:.95rem;line-height:1.4}
.role .when strong{display:block;color:var(--ink);font-family:var(--display);font-size:1.15rem;font-weight:700}
.role::before{content:"";position:absolute;left:calc(11rem + 1.25rem - 6px + 1px);top:.45rem;width:14px;height:14px;border-radius:50%;background:var(--bg);border:3px solid var(--accent)}
.role.now::before{border-color:var(--now);background:var(--now)}
.role>div:last-child{padding:1.2rem 1.4rem}
.role::before{top:1.5rem}
.role h3 small{display:block;font:400 1rem var(--sans);color:var(--muted);margin-top:.25rem}
.role ul{margin:.9rem 0 0;padding-left:1.15rem}
.role li{margin-bottom:.45rem}
.role li::marker{color:var(--accent)}
.stack{margin-top:.75rem;color:var(--muted);font-size:.95rem}
.role.minor{padding-bottom:1.75rem}
.role.minor h3{font-size:1.1rem}
@media (max-width:44rem){
  .timeline::before,.timeline::after{left:6px}
  .role{grid-template-columns:1fr;padding-left:2rem}
  .role::before{left:0}
  .role .when{position:static;text-align:left;margin-bottom:.4rem}
  .role .when strong{display:inline;margin-right:.5rem}
}

/* ---------- open source ---------- */
.oss{list-style:none;padding:0;margin:2rem 0 0}
.oss>li{display:grid;grid-template-columns:12rem 1fr;gap:.5rem 2.5rem;padding:1.5rem 1.6rem;margin-bottom:.9rem}
.oss h3{font-size:1.6rem}
.oss .meta{color:var(--muted);font-size:.95rem;margin-top:.25rem}
.oss .links{display:flex;gap:1.25rem;flex-wrap:wrap;margin:.75rem 0 0;padding:0;list-style:none}
@media (max-width:44rem){.oss>li{grid-template-columns:1fr}}

.skills{display:grid;grid-template-columns:max-content 1fr;gap:.9rem 2rem;margin:1.5rem 0 0}
.skills dt{font-weight:600}
.skills dd{margin:0}
@media (max-width:44rem){.skills,dl.facts{grid-template-columns:1fr;gap:.1rem}.skills dd,dl.facts dd{margin-bottom:.75rem}}
footer.site{background:linear-gradient(180deg,var(--wood2),var(--wood1));border-top:4px solid var(--wood-edge);color:var(--muted);font-size:.95rem}
footer.site .wrap{padding-top:1.5rem;padding-bottom:2rem;display:flex;justify-content:space-between;gap:1rem;flex-wrap:wrap}

@media print{
  /* always print dark ink on white, whatever theme is active (#_ only raises specificity) */
  :root:not(#_){--ink:#000;--muted:#444;--line:#bbb;--accent:#2e4a1f;--now:#2e4a1f;--heri:#2e3a2a;--bg:#fff;--surface:#fff}
  body{background:#fff;color:#000;font-size:10.5pt}
  header.site nav,.theme-toggle,.actions,footer.site,.skip{display:none}
  .timeline::before,.timeline::after{display:none}
  .role{grid-template-columns:8rem 1fr;gap:0 1rem;break-inside:avoid;padding-bottom:1rem}
  .role::before{display:none}
  header.site,footer.site{background:none;box-shadow:none;border:0}
  .work li,.oss>li,dl.facts,.skills,.role>div:last-child{background:none;box-shadow:none;border:0;padding:0}
  h2::after{display:none}
  .role .when{position:static}
  a{color:#000;text-decoration:none}
}
h2+p{margin-top:.9rem}