/* Paper and ink. No accent colour, by policy. */
:root {
  --stock: #E8E4DC;
  --ink: #1F1B16;
  --muted: #6E675C;
  --hairline: #CBC4B8;
  --serif: Newsreader, Georgia, serif;
  --sans: 'Instrument Sans', system-ui, sans-serif;
  --mono: 'IBM Plex Mono', monospace;
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; background: var(--stock); }
html { scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  * { animation: none !important; transition: none !important; }
}

body { color: var(--ink); font-family: var(--sans); }

a { color: var(--ink); text-decoration: none; border-bottom: 1px solid var(--hairline); }
a:hover { border-bottom-color: var(--ink); }
a:focus-visible, button:focus-visible { outline: 2px solid var(--ink); outline-offset: 3px; }
button:disabled { cursor: default; }

h1, h2, h3, p, blockquote { text-wrap: pretty; }

.mono { font-family: var(--mono); font-size: 12px; font-weight: 400; }
.muted { color: var(--muted); }
a.muted { color: var(--muted); }

main {
  min-height: 100vh;
  padding: 36px 56px 40px;
  display: flex;
  flex-direction: column;
  gap: 56px;
}

/* Header */
.site-header {
  display: flex; justify-content: space-between; align-items: baseline;
  gap: 16px; flex-wrap: wrap;
}
.name { font-family: var(--serif); font-size: 22px; font-weight: 400; }
.site-header nav { display: flex; gap: 24px; align-items: baseline; }

/* Section pattern */
.grid {
  display: grid;
  grid-template-columns: minmax(170px, 1fr) minmax(0, 3.4fr);
  gap: 56px;
}
.ruled { border-top: 1px solid var(--hairline); padding-top: 20px; scroll-margin-top: 24px; }
.label {
  display: flex; flex-direction: column; gap: 10px;
  align-self: start; position: sticky; top: 24px;
}
h2 { margin: 0; font-family: var(--serif); font-weight: 400; font-size: 26px; line-height: 1.2; }

h1 {
  margin: 0; max-width: 24ch;
  font-family: var(--serif); font-weight: 300;
  font-size: clamp(28px, 3.4vw, 50px); line-height: 1.14; letter-spacing: -0.012em;
}

.about { margin: 0; max-width: 62ch; font-size: 18px; line-height: 1.6; }

/* Lists: writing and research */
.list { min-width: 0; display: flex; flex-direction: column; margin-top: -16px; }
.list.scroll {
  max-height: 68vh; overflow-y: auto;
  scrollbar-width: thin; scrollbar-color: var(--hairline) transparent;
}
.row {
  display: grid; grid-template-columns: 9ch minmax(0, 1fr);
  gap: 8px 24px; align-items: baseline;
  padding: 18px 0 20px; border-bottom: 1px solid var(--hairline);
}
.stack { display: flex; flex-direction: column; gap: 8px; }
.row-title {
  font-family: var(--serif); font-weight: 400;
  font-size: clamp(22px, 1.9vw, 28px); line-height: 1.2; text-wrap: pretty;
}
.research-title { font-size: clamp(20px, 1.6vw, 24px); line-height: 1.25; }
.dek { color: var(--muted); font-size: 16px; line-height: 1.55; max-width: 60ch; margin: 0; }

/* Things I've built */
.projects { min-width: 0; display: flex; flex-direction: column; margin-top: -20px; }
.project {
  display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: 40px; padding: 24px 0; border-bottom: 1px solid var(--hairline);
}
.stack-10 { display: flex; flex-direction: column; gap: 10px; }
.stack-14 { display: flex; flex-direction: column; gap: 14px; }
.project-head { display: flex; align-items: baseline; gap: 12px; flex-wrap: wrap; }
h3 { margin: 0; font-family: var(--serif); font-weight: 400; font-size: 22px; line-height: 1.25; }
.desc { margin: 0; font-size: 16px; line-height: 1.6; }
.proof { margin: 0; color: var(--ink); font-size: 16px; line-height: 1.5; }
.ext { align-self: flex-start; }

/* Open */
.open-text { margin: 0; font-size: 17px; line-height: 1.55; max-width: 40ch; }
#mail { display: flex; }
.text-button {
  background: none; border: 0; border-bottom: 1px solid var(--hairline);
  padding: 0; cursor: pointer; color: var(--ink);
  font-family: var(--mono); font-size: 12px;
}
.text-button:hover { border-bottom-color: var(--ink); }

/* Footer */
.site-footer {
  border-top: 1px solid var(--hairline); padding-top: 14px;
  display: flex; flex-wrap: wrap; justify-content: space-between; gap: 6px 20px;
}

/* Article reader */
.reader { outline: none; display: flex; flex-direction: column; gap: 40px; scroll-margin-top: 24px; }
.reader-bar {
  display: flex; justify-content: space-between; align-items: baseline;
  gap: 16px; flex-wrap: wrap; padding-bottom: 10px; border-bottom: 1px solid var(--hairline);
}
.reader-bar .right { display: flex; align-items: baseline; gap: 20px; }
.reader-bar button:disabled { opacity: 0.35; }
.reader-head { display: flex; flex-direction: column; gap: 14px; }
.article-title {
  font-weight: 300; font-size: clamp(28px, 2.8vw, 42px); line-height: 1.15; letter-spacing: -0.01em;
}
.reader-meta { display: flex; flex-wrap: wrap; gap: 6px 16px; }
.reader-head .dek { max-width: 40ch; }
.body { display: flex; flex-direction: column; gap: 20px; max-width: 62ch; font-size: 17px; line-height: 1.65; }
.body p { margin: 0; }
.body h3 { margin: 16px 0 0; font-size: 24px; }
.body blockquote {
  margin: 8px 0; padding: 0;
  font-family: var(--serif); font-weight: 300; font-size: 24px; line-height: 1.3;
}
.pager {
  display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: 24px; border-top: 1px solid var(--hairline); padding-top: 16px;
}
.pager button {
  background: none; border: 0; padding: 0; cursor: pointer; text-align: left;
  display: flex; flex-direction: column; gap: 6px; color: var(--ink);
}
.pager .next { text-align: right; justify-self: end; grid-column: 2; align-items: flex-end; }
.pager-title { font-family: var(--serif); font-size: 19px; line-height: 1.3; }

/* Single breakpoint */
@media (max-width: 719px) {
  main { padding: 24px 20px 28px; gap: 40px; }
  .grid { grid-template-columns: minmax(0, 1fr); gap: 20px; }
  .label { position: static; }
  .about-label { display: none; }
  .row { grid-template-columns: minmax(0, 1fr); }
  .list.scroll { max-height: none; }
  .project { grid-template-columns: minmax(0, 1fr); gap: 12px; padding: 20px 0; }
  .pager { grid-template-columns: minmax(0, 1fr); }
  .pager .next { grid-column: auto; }
}