/* ---------------------------------------------------------------------------
   timcostagliola.com — design system
   Flat near-black, light ink, hairline borders. Color is data, not decoration:
   green = running, amber = measuring, gray = planned.
   No gradients, no shadows, no glow.
--------------------------------------------------------------------------- */

:root{
  --bg:#0a0a0a;
  --bg-2:#111111;
  --ink:#ececec;
  --ink-2:#9d9d9d;
  --ink-3:#7a7a7a;
  --line:#1d1d1d;
  --line-2:#2c2c2c;
  --accent:#3fcf6e;
  --warn:#e0a63c;
  --ok:#3fcf6e;
  --sans:"Inter",system-ui,-apple-system,sans-serif;
  --disp:"Inter Tight",var(--sans);
  --mono:"Fragment Mono",ui-monospace,"SF Mono",Menlo,monospace;
  --max:1120px;
  --measure:64ch;
}

*{box-sizing:border-box;margin:0;padding:0}
::selection{background:var(--ink);color:var(--bg)}
@media(prefers-reduced-motion:no-preference){html{scroll-behavior:smooth}}
body{
  background-color:var(--bg);color:var(--ink);
  background-image:
    repeating-linear-gradient(0deg, rgba(255,255,255,.025) 0 1px, transparent 1px 56px),
    repeating-linear-gradient(90deg, rgba(255,255,255,.025) 0 1px, transparent 1px 56px);
  font-family:var(--sans);font-size:16px;line-height:1.65;
  -webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility;
}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
:focus-visible{outline:2px solid var(--ink);outline-offset:3px}

.wrap{max-width:var(--max);margin:0 auto;padding:0 24px}

/* -- type utilities -- */
.mono{font-family:var(--mono);font-size:11px;letter-spacing:.07em;text-transform:uppercase;color:var(--ink-3)}
.mono-lg{font-family:var(--mono);font-size:12px;letter-spacing:.05em;color:var(--ink-2)}

/* -- nav -- */
.site-nav{border-bottom:1px solid var(--line)}
.site-nav .in{display:flex;justify-content:space-between;align-items:center;height:60px}
.site-nav .name{font-family:var(--disp);font-weight:600;font-size:16px;letter-spacing:-.01em}
.site-nav .name .end{color:var(--accent)}
.site-nav .name:hover{color:var(--ink-2)}
.site-nav .links{display:flex;gap:28px}
.site-nav .links a{font-family:var(--mono);font-size:11px;letter-spacing:.07em;text-transform:uppercase;color:var(--ink-2);padding:10px 0}
.site-nav .links a:hover,.site-nav .links a[aria-current]{color:var(--ink)}
.site-nav .links a[aria-current]{border-bottom:1px solid var(--ink);padding-bottom:8px}
@media(max-width:560px){.site-nav .links{gap:18px}}
@media(max-width:480px){
  .site-nav .links{gap:13px}
  .site-nav .links a{letter-spacing:.04em}
  .site-nav .name{font-size:14px}
}

/* -- photo frames (drop images in /img, see img/README.txt) -- */
.photo{border:1px solid var(--line);background:var(--bg-2);position:relative;overflow:hidden}
.photo::before{content:attr(data-label);position:absolute;inset:0;display:grid;place-items:center;
  font-family:var(--mono);font-size:11px;letter-spacing:.07em;text-transform:uppercase;color:var(--ink-3)}
.photo img{position:relative;width:100%;height:100%;object-fit:cover;display:block}
.photo.p45{aspect-ratio:4/5}

/* -- home hero (the nameplate) -- */
.hero{padding:100px 0 76px;border-bottom:1px solid var(--line)}
.hero-grid{display:grid;grid-template-columns:1fr 280px;gap:64px;align-items:end}
.hero-grid .photo{width:100%}
@media(max-width:900px){
  .hero-grid{grid-template-columns:1fr}
  .hero-grid .photo{max-width:260px}
}
.hero .kicker{display:block;margin-bottom:36px;color:var(--accent)}
.hero .name-plate{
  font-family:var(--disp);font-weight:600;color:var(--ink);
  font-size:clamp(56px,12vw,152px);line-height:.95;letter-spacing:-.045em;
}
.hero .name-plate .end{color:var(--accent)}
.hero .claim{margin-top:36px;font-size:clamp(17px,2.1vw,21px);line-height:1.6;color:var(--ink-2);max-width:56ch}
.hero .claim b{color:var(--ink);font-weight:500}
.hero .fact-line{margin-top:48px;display:flex;gap:12px 28px;flex-wrap:wrap}
.hero .fact-line span{font-family:var(--mono);font-size:11.5px;letter-spacing:.06em;text-transform:uppercase;color:var(--ink-3)}
.hero .fact-line .live{color:var(--ok)}
.hero .fact-line .now{color:var(--warn)}

/* -- page header block -- */
.page-head{padding:88px 0 64px;border-bottom:1px solid var(--line)}
.page-head .kicker{margin-bottom:28px;display:block;color:var(--accent)}
.page-head h1{
  font-family:var(--disp);font-weight:600;letter-spacing:-.03em;line-height:1.06;
  font-size:clamp(34px,5.6vw,64px);max-width:20ch;
}
.page-head .sub{margin-top:26px;font-size:17.5px;color:var(--ink-2);max-width:var(--measure)}
.page-head .sub b{color:var(--ink);font-weight:500}

/* -- sections -- */
.section{padding:72px 0;border-bottom:1px solid var(--line)}
.section:last-of-type{border-bottom:none}
.section[id]{scroll-margin-top:24px}
.domain-lead{max-width:var(--measure);color:var(--ink-2);font-size:16px;margin:-18px 0 34px}
.domain-lead b{color:var(--ink);font-weight:500}
.section-head{display:flex;justify-content:space-between;align-items:baseline;margin-bottom:40px}
.section-head h2{font-family:var(--disp);font-weight:600;font-size:15px;letter-spacing:.01em;text-transform:none;color:var(--ink)}
.section-head h2::before{content:"";display:inline-block;width:8px;height:8px;border-radius:50%;background:var(--ink-3);margin-right:12px}

/* -- work rows -- */
.row{
  display:grid;grid-template-columns:200px 1fr 140px;gap:32px;align-items:baseline;
  padding:26px 0;border-top:1px solid var(--line);
}
.row:last-of-type{border-bottom:1px solid var(--line)}
a.row{transition:background .12s}
a.row:hover{background:var(--bg-2)}
.row h3{font-family:var(--disp);font-weight:600;font-size:21px;letter-spacing:-.02em}
a.row:hover h3{text-decoration:underline;text-underline-offset:5px;text-decoration-color:var(--line-2)}
.row p{color:var(--ink-2);font-size:15px;max-width:56ch}
.row .st{font-family:var(--mono);font-size:11px;letter-spacing:.07em;text-transform:uppercase;text-align:right;color:var(--ink-3)}
.row .st.live{color:var(--ok)}
.row .st.now{color:var(--warn)}
@media(max-width:760px){
  .row{grid-template-columns:1fr;gap:8px}
  .row .st{text-align:left}
}

/* -- focus grid (disciplines) -- */
.focus-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:var(--line);border:1px solid var(--line)}
.focus-grid>div{background:var(--bg);padding:24px 22px 30px}
.focus-grid h3{font-family:var(--disp);font-weight:600;font-size:16.5px;letter-spacing:-.01em;margin:12px 0 8px}
.focus-grid p{font-size:13.5px;line-height:1.6;color:var(--ink-2)}
.focus-grid .when{display:block;margin-top:16px}
.focus-grid>div.now{background:var(--bg-2)}
.focus-grid>div.now>.mono:first-child{color:var(--warn)}
.focus-grid>div.now .when{color:var(--ink-2)}
@media(max-width:860px){.focus-grid{grid-template-columns:1fr 1fr}}
@media(max-width:520px){.focus-grid{grid-template-columns:1fr}}

/* -- prose (about, case studies) -- */
.prose{max-width:var(--measure)}
.prose p{margin-bottom:1.35em;color:var(--ink-2);font-size:16px}
.prose p b,.prose p strong{color:var(--ink);font-weight:500}
.prose h2{font-family:var(--disp);font-weight:600;font-size:22px;letter-spacing:-.02em;margin:2.2em 0 .7em;color:var(--ink)}
.prose h2:first-child{margin-top:0}
.prose ul{margin:0 0 1.35em 1.1em;color:var(--ink-2)}
.prose li{margin-bottom:.5em;font-size:15.5px}
.prose a{color:var(--ink);border-bottom:1px solid var(--line-2)}
.prose a:hover{border-color:var(--ink)}
.prose code{font-family:var(--mono);font-size:13px;background:var(--bg-2);border:1px solid var(--line);padding:2px 6px}

/* -- case study scaffolding -- */
.cs-head{padding:72px 0 48px;border-bottom:1px solid var(--line)}
.cs-head .crumb{margin-bottom:32px;display:block}
.cs-head .crumb a:hover{color:var(--ink)}
.cs-head h1{font-family:var(--disp);font-weight:600;letter-spacing:-.03em;line-height:1.05;font-size:clamp(32px,5vw,56px)}
.cs-head .one-line{margin-top:18px;font-size:18px;color:var(--ink-2);max-width:54ch}
.cs-meta{display:flex;gap:36px;flex-wrap:wrap;margin-top:36px}
.cs-meta div span{display:block}
.cs-meta .k{font-family:var(--mono);font-size:10.5px;letter-spacing:.08em;text-transform:uppercase;color:var(--ink-3);margin-bottom:4px}
.cs-meta .v{font-size:14px;color:var(--ink);font-weight:500}
.cs-body{padding:56px 0 80px}
.cs-body .grid{display:grid;grid-template-columns:1fr 300px;gap:72px;align-items:start}
@media(max-width:860px){.cs-body .grid{grid-template-columns:1fr}}
.cs-aside{position:sticky;top:32px;border-top:1px solid var(--line);padding-top:20px}
.cs-aside h4{font-family:var(--mono);font-size:10px;letter-spacing:.08em;text-transform:uppercase;color:var(--ink-3);margin-bottom:14px;font-weight:400}
.cs-aside ul{list-style:none}
.cs-aside li{font-size:13.5px;color:var(--ink-2);padding:7px 0;border-bottom:1px solid var(--line)}
.cs-aside li b{color:var(--ink);font-weight:500}

/* -- figure / measurement note -- */
.measure-note{
  border:1px solid var(--line);border-left:2px solid var(--warn);
  padding:18px 22px;margin:2em 0;max-width:var(--measure);
}
.measure-note p{margin:0;font-size:14px;color:var(--ink-2)}
.measure-note .k{font-family:var(--mono);font-size:10px;letter-spacing:.08em;text-transform:uppercase;color:var(--warn);display:block;margin-bottom:6px}

/* -- writing list -- */
.essay-list .row{grid-template-columns:1fr 140px;row-gap:8px}
.essay-list .row h3{grid-row:1;font-size:19px;line-height:1.35;max-width:44ch}
.essay-list .row .st{grid-row:1;grid-column:2}
.essay-list .row p{grid-column:1 / -1}
@media(max-width:760px){
  .essay-list .row{grid-template-columns:1fr}
  .essay-list .row .st{grid-row:auto;grid-column:1}
}

/* -- footer -- */
.site-foot{border-top:1px solid var(--line);margin-top:0}
.site-foot .in{display:flex;justify-content:space-between;align-items:baseline;gap:16px;flex-wrap:wrap;padding:26px 0 40px}
.site-foot a:hover{color:var(--ink)}