/* workshop: dark cutting-mat grid, part-label tags, one accent (safety yellow) */
:root {
  --bg: #101113; --panel: #16181b; --ink: #ebe7df; --muted: #8e8a82; --line: #2a2d31; --accent: #f2c230;
  --display: Archivo, "Arial Narrow", sans-serif; --text: "IBM Plex Sans", system-ui, sans-serif;
  --mono: "IBM Plex Mono", ui-monospace, monospace;
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0; color: var(--ink); font: 400 17.5px/1.7 var(--text);
  background-color: var(--bg);
  background-image: linear-gradient(var(--line) 1px, transparent 1px), linear-gradient(90deg, var(--line) 1px, transparent 1px);
  background-size: 48px 48px; background-position: -1px -1px;
}
a { color: var(--ink); text-decoration: none; border-bottom: 1px solid var(--accent); }
a:hover { color: var(--accent); }
.mono { font-family: var(--mono); font-size: 12.5px; letter-spacing: .04em; text-transform: uppercase; }

header.site {
  max-width: 1100px; margin: 0 auto; padding: 40px 32px 14px;
  display: flex; justify-content: space-between; align-items: flex-end; gap: 24px; border-bottom: 2px solid var(--ink);
}
.mast { font: 900 64px/.9 var(--display); font-stretch: 125%; letter-spacing: -.01em; border: 0; }
.mast span { color: var(--accent); }
header.site nav { display: flex; gap: 22px; flex-wrap: wrap; }
header.site nav a { border: 0; color: var(--muted); }
header.site nav a:hover { color: var(--accent); }
main { max-width: 1100px; margin: 0 auto; padding: 28px 32px 80px; }
.intro { display: flex; justify-content: space-between; gap: 16px; color: var(--muted); margin-bottom: 34px; }

/* home: featured entry + numbered archive */
.hero { display: grid; grid-template-columns: 1.25fr 1fr; background: var(--panel); border: 1px solid var(--line); margin-bottom: 46px; }
.hero img { width: 100%; height: 100%; max-height: 460px; object-fit: cover; display: block; border-right: 1px solid var(--line); }
.hero div { padding: 28px 30px; }
.hero h2 { font: 800 38px/1.04 var(--display); font-stretch: 112%; margin: 0 0 12px; letter-spacing: -.01em; }
.hero h2 a { border: 0; }
.hero p { color: var(--muted); margin: 0 0 20px; }
.label { display: inline-block; border: 1px solid var(--accent); color: var(--accent); padding: 2px 8px; margin-bottom: 16px; }
.list { border-top: 1px solid var(--line); }
.row {
  display: grid; grid-template-columns: 70px 120px 1fr 150px; gap: 18px; align-items: baseline;
  padding: 14px 0; border-bottom: 1px solid var(--line); background: var(--bg);
}
.row .n { color: var(--accent); }
.row .d, .row .g { color: var(--muted); }
.row .g { text-align: right; }
.row a { border: 0; font: 500 20px/1.3 var(--display); font-stretch: 112%; }
.row small { display: block; color: var(--muted); font-size: 14.5px; line-height: 1.45; margin-top: 4px; }
.terms { display: flex; flex-wrap: wrap; gap: 10px; }
.terms a { border: 1px solid var(--line); padding: 6px 12px; background: var(--bg); }
.terms b { color: var(--accent); font-weight: 500; margin-left: 6px; }

/* article */
article { max-width: 740px; margin: 0 auto; background: var(--bg); padding: 8px 0; }
article h1 { font: 900 60px/.98 var(--display); font-stretch: 118%; letter-spacing: -.015em; margin: 12px 0 14px; overflow-wrap: anywhere; }
article .sub { font-size: 22px; color: var(--muted); margin: 0 0 22px; }
.meta { display: flex; flex-wrap: wrap; gap: 10px; margin-bottom: 34px; }
.meta span, .meta a { border: 1px solid var(--line); padding: 3px 9px; color: var(--muted); }
.meta a:hover { color: var(--accent); border-color: var(--accent); }
.content h2 { font: 800 28px/1.1 var(--display); font-stretch: 112%; margin: 52px 0 10px; display: flex; gap: 12px; align-items: baseline; }
.content h2::before { content: "//"; color: var(--accent); font-family: var(--mono); font-size: 18px; }
.content h3 { font: 800 21px/1.2 var(--display); font-stretch: 112%; margin: 34px 0 8px; }
.content > p:first-child { font-size: 21px; line-height: 1.6; }
.content ul { padding-left: 22px; } .content ul li::marker { color: var(--accent); }
.content ol { list-style: none; padding: 0; counter-reset: n; }
.content ol > li { counter-increment: n; display: grid; grid-template-columns: 48px 1fr; padding: 12px 0; border-bottom: 1px solid var(--line); }
.content ol > li::before { content: counter(n, decimal-leading-zero); font: 500 13px var(--mono); color: var(--accent); padding-top: 4px; }
figure { margin: 32px 0; background: var(--panel); border: 1px solid var(--line); padding: 10px; }
figure img { width: 100%; display: block; }
figure.diagram img { filter: invert(.9) hue-rotate(180deg) contrast(.92); }  /* light diagrams -> dark */
figcaption { font: 400 13px/1.5 var(--mono); color: var(--muted); margin: 10px 4px 2px; }
p > img { max-width: 100%; }
table { width: 100%; border-collapse: collapse; font-size: 16px; margin: 22px 0; background: var(--panel); }
th { font: 500 12px var(--mono); text-transform: uppercase; letter-spacing: .06em; color: var(--accent); text-align: left; padding: 10px 14px; border-bottom: 1px solid var(--line); }
td { padding: 12px 14px; border-bottom: 1px solid var(--line); vertical-align: top; }
blockquote { margin: 36px 0; padding: 18px 24px; border: 1px solid var(--accent); font: 800 24px/1.3 var(--display); font-stretch: 112%; }
blockquote p { margin: 0; }
code { font-family: var(--mono); font-size: .88em; background: var(--panel); border: 1px solid var(--line); padding: 1px 5px; }
pre { background: var(--panel) !important; border: 1px solid var(--line); padding: 16px 18px; overflow-x: auto; font-size: 14px; line-height: 1.55; }
pre code { background: none; border: 0; padding: 0; font-size: inherit; }
hr { border: 0; border-top: 1px solid var(--line); margin: 40px 0; }
.pager { display: flex; justify-content: space-between; gap: 20px; margin-top: 60px; padding-top: 18px; border-top: 1px solid var(--line); }
.pager a { border: 0; color: var(--muted); } .pager a:hover { color: var(--accent); }

footer.site { max-width: 1100px; margin: 0 auto; padding: 18px 32px 40px; color: var(--muted); border-top: 1px solid var(--line); display: flex; justify-content: space-between; gap: 16px; flex-wrap: wrap; }
footer.site a { border: 0; color: var(--muted); margin-left: 18px; } footer.site a:hover { color: var(--accent); }

@media (max-width: 860px) {
  header.site { flex-direction: column; align-items: flex-start; padding: 28px 20px 12px; }
  .mast { font-size: 42px; }
  main { padding: 22px 20px 60px; }
  .hero { grid-template-columns: 1fr; } .hero img { border-right: 0; border-bottom: 1px solid var(--line); max-height: 300px; }
  .hero div { padding: 22px 20px; } .hero h2 { font-size: 28px; }
  .row { grid-template-columns: 44px 1fr; } .row .d, .row .g { display: none; }
  article h1 { font-size: 40px; }
  .intro { flex-direction: column; gap: 4px; }
}