:root{
  --paper:#F5F3EC;
  --paper-dim:#EDEAE0;
  --ink:#1C2A33;
  --ink-soft:#54606A;
  --teal:#1F6F63;
  --gold:#B8863B;
  --line:#D8D3C4;
  --max: 840px;
  --max-narrow: 760px;
}
*{box-sizing:border-box;margin:0;padding:0;}
body{
  background:var(--paper);
  color:var(--ink);
  font-family:'Public Sans',sans-serif;
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
}
.wrap{max-width:var(--max);margin:0 auto;padding:0 28px;}
.wrap.narrow{max-width:var(--max-narrow);}

/* back link, used on sub-pages */
.backlink{
  display:inline-block;
  margin-top:36px;
  font-family:'IBM Plex Mono',monospace;
  font-size:12.5px;
  color:var(--ink-soft);
  text-decoration:none;
}
.backlink:hover{color:var(--teal);}

/* homepage hero */
header.site{padding:64px 0 0;}
.eyebrow{
  font-family:'IBM Plex Mono',monospace;
  font-size:12.5px;
  letter-spacing:0.06em;
  color:var(--teal);
  text-transform:lowercase;
  margin-bottom:18px;
}
h1{
  font-family:'Newsreader',serif;
  font-weight:500;
  font-size:clamp(38px,6vw,56px);
  letter-spacing:-0.01em;
  line-height:1.05;
}
.role{
  font-family:'Newsreader',serif;
  font-style:italic;
  font-weight:400;
  font-size:21px;
  color:var(--ink-soft);
  margin-top:10px;
}
.dek{
  max-width:56ch;
  margin-top:22px;
  font-size:16.5px;
  color:var(--ink-soft);
}
nav.links{
  display:flex;
  gap:22px;
  margin-top:30px;
  padding-bottom:36px;
  font-family:'IBM Plex Mono',monospace;
  font-size:13px;
  flex-wrap:wrap;
  align-items:baseline;
}
nav.links a{color:var(--ink);text-decoration:none;border-bottom:1px solid var(--teal);padding-bottom:2px;}
nav.links a.muted{border-bottom-color:var(--line);color:var(--ink-soft);}

/* stats strip */
.stats{
  display:flex;
  border-top:1px solid var(--line);
  border-bottom:1px solid var(--line);
}
.stat{flex:1;padding:22px 24px;border-left:1px solid var(--line);}
.stat:first-child{border-left:none;}
.stat .num{font-family:'IBM Plex Mono',monospace;font-size:22px;font-weight:500;color:var(--teal);}
.stat .label{font-size:12.5px;color:var(--ink-soft);margin-top:4px;}

/* generic sections */
section{padding:56px 0;border-bottom:1px solid var(--line);}
section:last-of-type{border-bottom:none;}
.section-head{display:flex;justify-content:space-between;align-items:baseline;margin-bottom:30px;}
h2{font-family:'Newsreader',serif;font-weight:500;font-size:25px;}
.count{font-family:'IBM Plex Mono',monospace;font-size:12px;color:var(--ink-soft);}

/* simple sub-page header (Projects page etc) */
header.page-head{padding:26px 0 40px;border-bottom:1px solid var(--line);}
header.page-head h1{font-size:38px;}
header.page-head .dek{margin-top:14px;font-size:15.5px;}

/* experience / role rows, used on homepage and Work page */
.role-item{display:grid;grid-template-columns:120px 1fr;gap:20px;padding:20px 0;border-top:1px solid var(--line);}
.role-item:first-child{border-top:none;}
.role-item .when{font-family:'IBM Plex Mono',monospace;font-size:12.5px;color:var(--ink-soft);padding-top:3px;}
.role-item h3{font-size:16.5px;font-weight:600;}
.role-item .org{color:var(--teal);font-size:14px;font-weight:500;margin:2px 0 8px;}
.role-item p{color:var(--ink-soft);font-size:14.5px;max-width:56ch;}
.role-item ul{margin-left:18px;color:var(--ink-soft);font-size:14px;}
.role-item li{margin-top:4px;}

/* project tiles — TODO: swap tile-band color blocks for a small screenshot
   of each project (e.g. the football league table prediction UI) once
   those are live. Keep the label + arrow overlaid on the image when that
   happens, same layout, just background: url(...) instead of a flat color. */
.tiles{display:grid;grid-template-columns:1fr 1fr;gap:18px;}
.tile{
  display:block;
  text-decoration:none;
  color:var(--ink);
  border:1px solid var(--line);
  background:var(--paper-dim);
  overflow:hidden;
  transition:border-color .15s ease, transform .15s ease;
}
.tile:hover{border-color:var(--teal);transform:translateY(-2px);}
.tile-band{
  height:64px;
  display:flex;align-items:center;justify-content:space-between;
  padding:0 20px;
  font-family:'IBM Plex Mono',monospace;
  font-size:11px;
  text-transform:uppercase;
  letter-spacing:.05em;
}
.tile-band.c1{background:#DCE7E3;color:#1F6F63;}
.tile-band.c2{background:#EFE1C9;color:#8A5F1E;}
.tile-band.c3{background:#E4DEEF;color:#5B4A8A;}
.tile-band.c4{background:#E0E8EC;color:#33565F;}
.tile-band .arrow{font-size:14px;}
.tile-body{padding:18px 20px 22px;}
.tile h3{font-size:16px;font-weight:600;}
.tile p{font-size:14px;color:var(--ink-soft);margin-top:6px;}
.tile .stack{margin-top:14px;font-family:'IBM Plex Mono',monospace;font-size:11.5px;color:var(--ink-soft);}

/* publications, used on homepage and Work page */
.pubs{display:flex;flex-direction:column;gap:16px;}
.pub{border-top:1px solid var(--line);padding-top:16px;}
.pub:first-child{border-top:none;padding-top:0;}
.pub .venue{font-family:'IBM Plex Mono',monospace;font-size:11.5px;color:var(--teal);}
.pub h3{font-size:15.5px;font-weight:500;margin:4px 0;font-style:italic;font-family:'Newsreader',serif;}
.pub .authors{font-size:13.5px;color:var(--ink-soft);}

/* small mono section heading, used on the Work page in place of the serif h2 */
h2.mono-heading{
  font-family:'IBM Plex Mono',monospace;
  font-size:12.5px;
  letter-spacing:.06em;
  text-transform:uppercase;
  color:var(--teal);
  margin-bottom:22px;
}

/* Work/CV page header with download button */
header.cv-head{
  padding:26px 0 34px;
  border-bottom:1px solid var(--line);
  display:flex;
  justify-content:space-between;
  align-items:flex-end;
  flex-wrap:wrap;
  gap:20px;
}
header.cv-head h1{font-size:38px;}
header.cv-head .role{font-size:17px;margin-top:6px;}
.download-btn{
  font-family:'IBM Plex Mono',monospace;
  font-size:13px;
  color:var(--paper);
  background:var(--ink);
  padding:10px 18px;
  text-decoration:none;
  white-space:nowrap;
}
.download-btn:hover{background:var(--teal);}

/* Work/CV page: education + skills */
.edu-item{padding:14px 0;border-top:1px solid var(--line);}
.edu-item:first-child{border-top:none;padding-top:0;}
.edu-item h3{font-size:15.5px;font-weight:600;}
.edu-item .meta{font-size:13.5px;color:var(--ink-soft);margin-top:3px;}

.skills{display:grid;grid-template-columns:1fr 1fr;gap:24px;}
.skill-group .label{font-family:'IBM Plex Mono',monospace;font-size:11.5px;color:var(--gold);text-transform:uppercase;letter-spacing:.05em;margin-bottom:8px;}
.skill-group p{font-size:14.5px;color:var(--ink-soft);}

/* footer, used on every page */
footer{padding:44px 0 70px;}
footer p{font-size:13.5px;color:var(--ink-soft);}
footer .contact{display:flex;gap:24px;margin-top:14px;font-family:'IBM Plex Mono',monospace;font-size:13px;flex-wrap:wrap;}
footer a{color:var(--ink);}

@media (max-width:600px){
  .tiles{grid-template-columns:1fr;}
  .role-item{grid-template-columns:1fr;}
  .skills{grid-template-columns:1fr;}
  .stats{flex-wrap:wrap;}
  .stat{flex:1 1 50%;border-bottom:1px solid var(--line);}
  header.cv-head{align-items:flex-start;}
}