/* George Sfinarolakis — sfinarolakis.com
   Archivo / Source Serif 4 / IBM Plex Mono
   Paper, ink, verdigris, copper. Light + dark. */

:root{
  color-scheme:light dark;

  --paper:#E9EBE8;
  --ink:#14191B;
  --ink-soft:#5A6560;
  --rule:#CBD0CA;
  --verdigris:#2C6B5E;
  --copper:#9C5A2C;
  --link-rule:rgba(44,107,94,.35);

  --display:"Archivo",system-ui,sans-serif;
  --body:"Source Serif 4",Georgia,serif;
  --mono:"IBM Plex Mono",ui-monospace,monospace;
}

@media (prefers-color-scheme:dark){
  :root{
    --paper:#121614;
    --ink:#E5E9E4;
    --ink-soft:#94A099;
    --rule:#2A322D;
    --verdigris:#72C4AC;
    --copper:#D18C52;
    --link-rule:rgba(114,196,172,.4);
  }
}

*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;background:var(--paper)}
body{
  margin:0;
  background:var(--paper);
  color:var(--ink);
  font-family:var(--body);
  font-size:1.0625rem;
  line-height:1.62;
  -webkit-font-smoothing:antialiased;
}

.wrap{max-width:820px;margin:0 auto;padding:0 1.5rem}

a{color:var(--verdigris);text-decoration:none;border-bottom:1px solid var(--link-rule);transition:border-color .18s ease,color .18s ease}
a:hover{border-bottom-color:var(--verdigris)}
a:focus-visible{outline:2px solid var(--copper);outline-offset:3px;border-radius:2px}

@media (prefers-reduced-motion:reduce){
  a{transition:none}
}

/* ---- skip link ---- */
.skip-link{
  position:absolute;
  left:1.5rem;
  top:.75rem;
  z-index:100;
  padding:.4rem .7rem;
  background:var(--ink);
  color:var(--paper);
  font-family:var(--mono);
  font-size:.75rem;
  letter-spacing:.04em;
  border-bottom:none;
  transform:translateY(-180%);
}
.skip-link:focus,
.skip-link:focus-visible{
  transform:translateY(0);
  outline:2px solid var(--copper);
  outline-offset:3px;
  border-bottom:none;
}

/* ---- tiny top nav ---- */
.top-nav{
  display:flex;
  justify-content:space-between;
  align-items:baseline;
  flex-wrap:wrap;
  gap:.75rem 1.5rem;
  padding:1.15rem 0 0;
}
.top-nav .brand{
  font-family:var(--display);
  font-weight:700;
  font-size:.8125rem;
  letter-spacing:-.01em;
  color:var(--ink);
  border-bottom:none;
}
.top-nav .brand:hover{color:var(--verdigris);border-bottom:none}
.top-nav .brand:focus-visible{border-bottom:none}
.top-nav nav{
  display:flex;
  flex-wrap:wrap;
  gap:.85rem 1.25rem;
}
.top-nav nav a{
  font-family:var(--mono);
  font-size:.75rem;
  font-weight:500;
  letter-spacing:.04em;
}
.top-nav a[aria-current="page"]{color:var(--ink)}

/* ---- utility label type ---- */
.label{
  font-family:var(--mono);
  font-size:.6875rem;
  font-weight:500;
  letter-spacing:.16em;
  text-transform:uppercase;
  color:var(--ink-soft);
}

/* ---- hero ---- */
.hero{padding:4rem 0 2.5rem}
.hero .label{display:block;margin-bottom:1.75rem}
.hero h1{
  font-family:var(--display);
  font-weight:800;
  font-size:clamp(1.85rem,6.4vw,3.25rem);
  line-height:1.02;
  letter-spacing:-.03em;
  margin:0 0 1.25rem;
}
.tagline{
  font-family:var(--display);
  font-weight:500;
  font-size:clamp(1.05rem,3.2vw,1.35rem);
  line-height:1.35;
  letter-spacing:-.01em;
  color:var(--ink-soft);
  margin:0 0 2.5rem;
  max-width:32ch;
}
.lede p{margin:0 0 1.15rem;max-width:64ch}
.lede p:last-child{margin-bottom:0}

.profile-links{
  margin:2rem 0 0;
  display:flex;
  flex-wrap:wrap;
  gap:.85rem 1.35rem;
  font-family:var(--display);
  font-weight:500;
}

/* ---- sections ---- */
.section{padding:3.25rem 0;border-top:1px solid var(--rule)}
.section > .label{display:block;margin-bottom:2rem}
.section h2{
  font-family:var(--display);
  font-weight:700;
  font-size:1.5rem;
  letter-spacing:-.02em;
  line-height:1.2;
  margin:0 0 .35rem;
}

/* ---- entries ---- */
.entry{display:grid;grid-template-columns:9.5rem 1fr;gap:1.75rem;margin-bottom:2.75rem}
.entry:last-child{margin-bottom:0}
.entry .when{font-family:var(--mono);font-size:.75rem;letter-spacing:.04em;color:var(--ink-soft);padding-top:.45rem}
.entry h3{
  font-family:var(--display);
  font-weight:700;
  font-size:1.0625rem;
  letter-spacing:-.01em;
  margin:0 0 .1rem;
}
.entry .org{font-family:var(--mono);font-size:.75rem;letter-spacing:.04em;color:var(--ink-soft);margin:0 0 .85rem}
.entry ul{margin:0;padding:0;list-style:none}
.entry li{position:relative;padding-left:1.1rem;margin-bottom:.5rem;max-width:60ch}
.entry li::before{
  content:"";position:absolute;left:0;top:.72em;
  width:5px;height:5px;background:var(--verdigris);opacity:.55;
}
.entry li:last-child{margin-bottom:0}
.entry p{margin:0;max-width:60ch}

/* ---- research ---- */
.paper{max-width:64ch}
.paper .cite{font-family:var(--mono);font-size:.75rem;line-height:1.7;color:var(--ink-soft);margin:.5rem 0 1rem}
.paper .finding{margin:0 0 1rem}

/* ---- education / skills ---- */
.rows{display:grid;gap:.9rem}
.row{display:grid;grid-template-columns:9.5rem 1fr;gap:1.75rem;align-items:baseline}
.row .when{font-family:var(--mono);font-size:.75rem;letter-spacing:.04em;color:var(--ink-soft)}
.row .what strong{font-family:var(--display);font-weight:700;font-size:1rem;letter-spacing:-.01em}
.row .what span{display:block;font-family:var(--mono);font-size:.72rem;letter-spacing:.04em;color:var(--ink-soft);margin-top:.1rem}

.tools{display:grid;grid-template-columns:repeat(auto-fit,minmax(210px,1fr));gap:1.75rem;margin-top:2.75rem}
.tools h4{font-family:var(--mono);font-size:.6875rem;font-weight:500;letter-spacing:.16em;text-transform:uppercase;color:var(--ink-soft);margin:0 0 .5rem}
.tools p{margin:0;font-size:.95rem}

/* ---- writing teaser / writing index ---- */
.writing-lead{max-width:60ch;margin:.75rem 0 0}
.writing-more{margin-top:1rem}

.page-head{padding:3.25rem 0 5rem}
.page-head.tight{padding-bottom:1.5rem}
.page-head .label{display:block;margin-bottom:2rem}
.page-head h1{
  font-family:var(--display);
  font-weight:700;
  font-size:1.5rem;
  letter-spacing:-.02em;
  line-height:1.2;
  margin:0 0 .75rem;
}
.page-head p{margin:0;max-width:60ch}

/* ---- contact ---- */
.contact{padding:3.25rem 0 5rem;border-top:1px solid var(--rule)}
.contact h2{margin-top:1.25rem}
.contact .lines{margin-top:1.25rem;display:grid;gap:.4rem;font-family:var(--mono);font-size:.85rem}
.contact.quiet .lines{margin-top:0}
.foot{margin-top:2.5rem;font-family:var(--mono);font-size:.7rem;letter-spacing:.04em;color:var(--ink-soft)}

/* ---- 404 ---- */
.not-found{padding:3.25rem 0 5rem}
.not-found .label{display:block;margin-bottom:1.75rem}
.not-found h1{
  font-family:var(--display);
  font-weight:800;
  font-size:clamp(2rem,6vw,3.25rem);
  line-height:.95;
  letter-spacing:-.03em;
  margin:0 0 1rem;
}
.not-found p{margin:0;max-width:48ch}

@media (max-width:620px){
  .hero{padding:2.75rem 0 1.5rem}
  .entry,.row{grid-template-columns:1fr;gap:.5rem}
  .entry .when,.row .when{padding-top:0}
}