:root {
  --bg: #f5f2ec;
  --bg-bar: rgba(245, 242, 236, .82);
  --fg: #1c1b19;
  --soft: #3d3a35;
  --muted: #77736b;
  --rule: #d9d3c7;
  --accent: #b4441f;
  --serif: Charter, "Bitstream Charter", "Charis SIL", "Sitka Text", Cambria, Georgia, serif;
  --sans: ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  color-scheme: light;
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg: #141311;
    --bg-bar: rgba(20, 19, 17, .82);
    --fg: #ece7dd;
    --soft: #c9c3b7;
    --muted: #8f897d;
    --rule: #2e2b27;
    --accent: #e8794f;
    color-scheme: dark;
  }
}

:root[data-theme="dark"] {
  --bg: #141311;
  --bg-bar: rgba(20, 19, 17, .82);
  --fg: #ece7dd;
  --soft: #c9c3b7;
  --muted: #8f897d;
  --rule: #2e2b27;
  --accent: #e8794f;
  color-scheme: dark;
}

*,
*::before,
*::after { box-sizing: border-box; }

html {
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
  scroll-padding-top: 72px;
  hanging-punctuation: first last;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--fg);
  font: 400 19px/1.65 var(--serif);
  font-kerning: normal;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
  transition: background-color .3s, color .3s;
}

::selection { background: var(--accent); color: var(--bg); }

:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; border-radius: 2px; }

/* links: underline that grows on hover */
a {
  color: inherit;
  text-decoration: none;
  background: linear-gradient(currentColor, currentColor) no-repeat 0 100% / 0 1px,
              linear-gradient(var(--rule), var(--rule)) no-repeat 0 100% / 100% 1px;
  transition: color .2s, background-size .35s ease;
}
a:hover { color: var(--accent); background-size: 100% 1px, 100% 1px; }

/* top bar */
.topbar {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: 868px;
  margin: 0 auto;
  padding: 14px 24px;
  background: var(--bg-bar);
  -webkit-backdrop-filter: blur(10px);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid transparent;
  font: 500 13px/1 var(--sans);
  transition: border-color .3s, background-color .3s;
}
.topbar.scrolled { border-bottom-color: var(--rule); }
.topbar a { background: none; color: var(--muted); }
.topbar a:hover { color: var(--fg); }
.topbar .mark { font: 700 18px/1 var(--serif); color: var(--fg); letter-spacing: -.01em; }
.topbar nav { display: flex; align-items: center; gap: 22px; }
.topbar .blog { color: var(--accent); }
.topbar .blog:hover { color: var(--fg); }
.topbar .blog span { display: inline-block; transition: transform .25s; }
.topbar .blog:hover span { transform: translate(2px, -2px); }

.theme {
  display: grid;
  place-items: center;
  width: 30px;
  height: 30px;
  padding: 0;
  border: 1px solid var(--rule);
  border-radius: 50%;
  background: none;
  color: var(--fg);
  cursor: pointer;
  transition: transform .4s ease, border-color .2s;
}
.theme:hover { border-color: var(--muted); transform: rotate(180deg); }
.theme svg { width: 16px; height: 16px; fill: none; stroke: currentColor; stroke-width: 1.6; }
.theme .half { fill: currentColor; stroke: none; }

/* page */
.page {
  max-width: 868px;
  margin: 0 auto;
  padding: 72px 24px 40px;
}

.masthead { margin-bottom: 80px; animation: rise .8s ease-out both; }

.kicker {
  display: flex;
  flex-wrap: wrap;
  gap: 6px 0;
  margin: 0 0 20px;
  font: 500 11px/1 var(--sans);
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--muted);
}
.kicker span:not(:last-child)::after { content: "/"; margin: 0 12px; color: var(--rule); }

h1 {
  margin: 0;
  font: 700 clamp(64px, 14vw, 140px)/.92 var(--serif);
  letter-spacing: -.045em;
}

.lede {
  max-width: 26ch;
  margin: 32px 0 0;
  font: 400 clamp(24px, 3.6vw, 32px)/1.3 var(--serif);
  color: var(--soft);
  text-wrap: balance;
}
.lede em { color: var(--accent); }

/* rows */
.row {
  display: grid;
  grid-template-columns: 168px 1fr;
  gap: 24px;
  padding: 40px 0;
  border-top: 1px solid var(--rule);
  animation: rise .8s ease-out both;
}
.row:nth-of-type(2) { animation-delay: .08s; }
.row:nth-of-type(3) { animation-delay: .16s; }
.row:nth-of-type(4) { animation-delay: .24s; }
.row:nth-of-type(5) { animation-delay: .32s; }

h2 {
  position: sticky;
  top: 72px;
  align-self: start;
  margin: 6px 0 0;
  font: 600 11px/1.6 var(--sans);
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--muted);
}
h2 span { margin-right: 6px; font: italic 400 15px/1 var(--serif); letter-spacing: 0; text-transform: none; color: var(--accent); }

.row p { margin: 0 0 1em; }
.row p:last-child { margin-bottom: 0; }
.prose p { max-width: 62ch; text-wrap: pretty; }

.dropcap::first-letter {
  float: left;
  margin: 6px 10px 0 -2px;
  font: 700 66px/.8 var(--serif);
  color: var(--accent);
}

/* stack */
.stack {
  display: grid;
  grid-template-columns: max-content 1fr;
  gap: 10px 28px;
  margin: 0;
}
.stack dt { font: 500 13px/1.9 var(--sans); color: var(--muted); }
.stack dd { margin: 0; }

/* now */
.now { margin: 0; padding-left: 24px; border-left: 2px solid var(--accent); }
.now blockquote { margin: 0; font: italic 400 25px/1.4 var(--serif); text-wrap: pretty; }
.now cite { font-style: normal; }
.now blockquote a { color: var(--accent); font-style: normal; font-weight: 700; }

.product {
  display: inline-flex;
  align-items: baseline;
  gap: 12px;
  margin-top: 20px;
  padding: 10px 18px;
  border: 1px solid var(--rule);
  border-radius: 999px;
  background: none;
  transition: border-color .25s, color .25s;
}
.product:hover { border-color: var(--accent); background: none; }
.product-name { font: 700 17px/1 var(--serif); }
.product-url { font: 400 13px/1 var(--sans); color: var(--muted); }
.product-arrow { color: var(--accent); transition: transform .25s; }
.product:hover .product-arrow { transform: translateX(4px); }

.now figcaption { margin-top: 14px; font: 400 13px/1.5 var(--sans); color: var(--muted); }

ul, ol { list-style: none; margin: 0; padding: 0; }

/* projects */
.projects li + li { border-top: 1px dashed var(--rule); }
.projects a {
  display: grid;
  grid-template-columns: 36px 1fr auto;
  gap: 2px 12px;
  padding: 18px 0;
  background: none;
}
.projects li:first-child a { padding-top: 0; }
.projects .num { grid-row: span 2; padding-top: 9px; font: 500 12px/1 var(--sans); color: var(--muted); font-variant-numeric: tabular-nums; }
.projects .title { position: relative; font: 700 26px/1.25 var(--serif); letter-spacing: -.01em; }
.projects .title::after {
  content: "→";
  position: absolute;
  margin-left: 10px;
  opacity: 0;
  transform: translateX(-8px);
  transition: opacity .25s, transform .25s;
}
.projects .year { align-self: center; font: 400 13px/1 var(--sans); color: var(--muted); font-variant-numeric: tabular-nums; }
.projects .desc { grid-column: 2 / -1; color: var(--muted); font-size: 17px; }
.projects a:hover .title { color: var(--accent); }
.projects a:hover .title::after { opacity: 1; transform: none; }

/* contact */
.invite { color: var(--soft); }
.email {
  display: inline-block;
  margin: 4px 0 20px;
  font: 700 clamp(26px, 4.4vw, 38px)/1.2 var(--serif);
  letter-spacing: -.02em;
  background-size: 0 2px, 100% 2px;
}
.email:hover { background-size: 100% 2px, 100% 2px; }
.links { display: flex; flex-wrap: wrap; gap: 8px 28px; font: 500 14px/1.6 var(--sans); }

.colophon {
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 8px 24px;
  margin-top: 56px;
  padding-top: 24px;
  border-top: 1px solid var(--rule);
  font: 400 13px/1.5 var(--sans);
  color: var(--muted);
}
.colophon a { background: none; }

@keyframes rise {
  from { opacity: 0; transform: translateY(12px); }
  to { opacity: 1; transform: none; }
}

@media (max-width: 640px) {
  body { font-size: 18px; }
  .topbar nav { gap: 16px; }
  .page { padding-top: 48px; }
  .masthead { margin-bottom: 56px; }
  .row { grid-template-columns: 1fr; gap: 16px; padding: 32px 0; }
  h2 { position: static; }
  .projects a { grid-template-columns: 28px 1fr auto; }
}

@media (max-width: 380px) {
  .topbar nav a[href="#about"] { display: none; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  * { animation: none !important; transition: none !important; }
}

/* docs index */
.topbar .mark span { color: var(--accent); }
.index > li + li { border-top: 1px dashed var(--rule); }
.entry { padding: 28px 0; }
.entry:first-child { padding-top: 0; }
.entry-head { display: grid; grid-template-columns: 36px 1fr auto; gap: 2px 12px; align-items: baseline; }
.entry .num { padding-top: 9px; font: 500 12px/1 var(--sans); color: var(--muted); font-variant-numeric: tabular-nums; }
.entry .title { font: 700 30px/1.2 var(--serif); letter-spacing: -.015em; background: none; }
.entry .title:hover { color: var(--accent); }
.entry .tag { font: 500 11px/1 var(--sans); letter-spacing: .14em; text-transform: uppercase; color: var(--muted); }
.entry .desc { margin: 6px 0 0 48px; max-width: 56ch; color: var(--muted); font-size: 17px; text-wrap: pretty; }
.entry .parts { display: flex; flex-wrap: wrap; gap: 6px 22px; margin: 16px 0 0 48px; font: 500 14px/1.6 var(--sans); }
.entry .parts a { color: var(--soft); }
.entry .parts a:hover { color: var(--accent); }
.soon .title { color: var(--muted); cursor: default; }
.soon .title:hover { color: var(--muted); }

@media (max-width: 640px) {
  .entry-head { grid-template-columns: 28px 1fr; }
  .entry .tag { grid-column: 2; }
  .entry .desc, .entry .parts { margin-left: 40px; }
}