:root {
  --bg: #0a0a0a;
  --bg-raised: #121212;
  --fg: #ecebe6;
  --dim: #7a7a76;
  --rule: #262626;
  --green: #3dff8b;
  --amber: #ffb547;

  --serif-display: "Instrument Serif", Georgia, serif;
  --serif-text: "Newsreader", Georgia, serif;
  --mono: "JetBrains Mono", ui-monospace, monospace;
  --sans: "Helvetica Neue", Helvetica, Arial, sans-serif;

  --gutter: clamp(1rem, 4vw, 3rem);
  --hero-space: clamp(1.25rem, 3vh, 2rem);
}

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

html { color-scheme: dark; }

body {
  margin: 0 auto;
  max-width: 72rem;
  min-height: 100vh;
  padding: 0 var(--gutter);
  display: flex;
  flex-direction: column;
  background: var(--bg);
  /* faint dot grid, like graph paper under a CRT */
  background-image: radial-gradient(rgb(255 255 255 / 0.045) 1px, transparent 1px);
  background-size: 24px 24px;
  color: var(--fg);
  font: 1.125rem/1.6 var(--serif-text);
  -webkit-font-smoothing: antialiased;
}

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

a { color: inherit; text-decoration-color: var(--green); text-underline-offset: 0.2em; }
a:hover { color: var(--amber); text-decoration-color: var(--amber); }
:focus-visible { outline: 2px solid var(--green); outline-offset: 3px; }

h1, h2, h3 { font-weight: 400; line-height: 1.1; }

.dim { color: var(--dim); }
.g { color: var(--green); }
.a { color: var(--amber); }

.skip { position: absolute; left: -999px; }
.skip:focus { left: 1rem; top: 1rem; background: var(--green); color: var(--bg); padding: 0.5rem; }

/* ---------- chrome ---------- */

.site-header, .site-footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  font: 0.85rem var(--mono);
}

.site-header { padding: 1.5rem 0; border-bottom: 1px solid var(--rule); }
.site-header nav { display: flex; gap: 1.5rem; }
.site-header nav a { text-decoration: none; color: var(--dim); }
.site-header nav a:hover, .site-header nav a[aria-current] { color: var(--fg); }
.site-header nav a[aria-current]::before { content: "> "; color: var(--green); }

.brand { text-decoration: none; font-weight: 600; }

.cursor {
  display: inline-block;
  width: 0.6em;
  height: 1.1em;
  margin-left: 0.15em;
  vertical-align: text-bottom;
  background: var(--green);
  animation: blink 1.1s steps(1) infinite;
}

@keyframes blink { 50% { opacity: 0; } }

main { flex: 1; }

.site-footer { padding: 2rem 0; margin-top: 6rem; color: var(--dim); }

/* ---------- shared bits ---------- */

.term { font: 0.9rem var(--mono); color: var(--dim); margin: 0 0 1rem; }

h2 {
  font: 600 0.8rem var(--mono);
  text-transform: uppercase;
  letter-spacing: 0.12em;
  margin: 0 0 1.5rem;
}

.idx { color: var(--green); margin-right: 0.75em; }

section { padding: 4rem 0; }
section:last-child { border-bottom: 0; }

/* ---------- home ---------- */

.hero { padding: var(--hero-space) 0; text-align: center; }
.hero .role { margin-inline: auto; }

.hero h1, .page-head h1 {
  font-family: var(--serif-display);
  font-size: clamp(3.5rem, 13vw, 9.5rem);
  letter-spacing: -0.02em;
  line-height: 0.9;
  margin: 0 0 2rem;
}

.hero > :last-child, .page-head > :last-child, .post-header > :last-child { margin-bottom: 0; }

.hero h1, .page-head h1 { font-family: var(--sans); font-weight: 700; letter-spacing: -0.045em; }

.role {
  max-width: 36ch;
  font-size: clamp(1.25rem, 2.4vw, 1.6rem);
  line-height: 1.4;
  margin: 0;
}

.role em { font-style: italic; color: var(--dim); }

.about p { margin: 0 0 1.5rem; }

.kv { list-style: none; padding: 0; margin: 0; font: 0.85rem/1.5 var(--mono); }
.kv li { display: flex; gap: 1rem; padding: 0.5rem 0; border-top: 1px dashed var(--rule); }
.kv span { flex: 0 0 8.5rem; color: var(--dim); }

.section-head { display: flex; justify-content: space-between; align-items: baseline; }
.section-head a { font: 0.8rem var(--mono); text-decoration: none; color: var(--dim); }
.section-head a:hover { color: var(--amber); }

.links { list-style: none; padding: 0; margin: 0; display: flex; flex-wrap: wrap; gap: 0.5rem 2rem; font: 1rem var(--mono); }

/* ---------- post list ---------- */

.post-list { list-style: none; padding: 0; margin: 0; }
.post-list li { border-top: 1px solid var(--rule); }
.post-list li:last-child { border-bottom: 1px solid var(--rule); }

/* hover = a selected row in a TUI picker: tinted bar sweeps in */
.post-list a {
  position: relative;
  isolation: isolate;
  display: grid;
  grid-template-columns: 7.5rem 1fr auto;
  gap: 0.25rem 2rem;
  padding: 1.25rem 1rem 1.25rem 1.5rem;
  text-decoration: none;
}

.post-list a::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background: rgb(61 255 139 / 0.09);
  box-shadow: inset 2px 0 0 var(--green);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.32s cubic-bezier(0.7, 0, 0.2, 1);
}

.post-list time::before {
  content: ">";
  position: absolute;
  left: 0.3rem;
  opacity: 0;
}

.post-list .go {
  grid-column: 3;
  grid-row: 1 / span 2;
  align-self: center;
  font: 1.4rem var(--mono);
  opacity: 0;
  transform: translateX(-0.75rem);
  transition: opacity 0.2s, transform 0.3s cubic-bezier(0.2, 0.7, 0.2, 1);
}

.post-list time, .post-list .title, .post-list .desc { transition: color 0.15s 0.08s; }

.post-list a:is(:hover, :focus-visible) { color: inherit; outline: none; }
.post-list a:is(:hover, :focus-visible)::before { transform: scaleX(1); }
.post-list a:is(:hover, :focus-visible) :is(.title, .go) { color: var(--green); }
.post-list a:is(:hover, :focus-visible) :is(time, .desc) { color: var(--fg); }
.post-list a:is(:hover, :focus-visible) time::before { opacity: 1; color: var(--green); }
.post-list a:is(:hover, :focus-visible) .go { opacity: 1; transform: none; transition-delay: 0.12s; }

.post-list time { font: 0.8rem/2.2 var(--mono); color: var(--dim); grid-row: span 2; }
.post-list :is(.title, .desc) { grid-column: 2; }
.post-list .title { font: 700 1.6rem/1.2 var(--sans); letter-spacing: -0.02em; }
.post-list .desc { color: var(--dim); font-size: 1rem; }
.post-list .empty { padding: 1.25rem 0; font-family: var(--mono); font-size: 0.85rem; }

@media (max-width: 36rem) {
  .post-list a { grid-template-columns: 1fr; }
  .post-list :is(.title, .desc) { grid-column: 1; }
  .post-list time { grid-row: auto; line-height: 1.5; }
  .post-list .go { display: none; }
}

/* ---------- page + post ---------- */

.page-head { padding: var(--hero-space) 0; border: 0; }
.page-head h1 { font-size: clamp(3rem, 10vw, 6rem); }

.post-header { padding: var(--hero-space) 0; margin-bottom: 1rem; }

.post-header h1 {
  font-family: var(--sans);
  font-weight: 700;
  font-size: clamp(2.25rem, 6vw, 4.25rem);
  line-height: 1.05;
  letter-spacing: -0.035em;
  margin: 0 0 1rem;
}

.crumbs { font: 0.8rem var(--mono); color: var(--dim); margin: 0 0 2rem; }
.crumbs a { color: var(--fg); text-decoration: none; }
.crumbs a:hover { color: var(--amber); }
.crumbs .sep { margin: 0 0.6em; color: var(--rule); }

.meta { font: 0.8rem var(--mono); color: var(--dim); margin: 0 0 1.5rem; }
.meta .sep { margin: 0 0.6em; color: var(--rule); }
.tag { margin-left: 0.9em; color: var(--amber); }
.lede { font-size: 1.35rem; font-style: italic; color: var(--dim); margin: 0; }

.prose { font-size: 1.2rem; line-height: 1.7; }
.prose h2 { font: 1.9rem/1.2 var(--serif-display); text-transform: none; letter-spacing: 0; margin: 3rem 0 1rem; }
.prose h3 { font: 600 1rem var(--mono); margin: 2rem 0 0.75rem; }
.prose img { max-width: 100%; height: auto; }
.prose hr { border: 0; border-top: 1px dashed var(--rule); margin: 3rem 0; }

.prose blockquote {
  margin: 2rem 0;
  padding-left: 1.5rem;
  border-left: 2px solid var(--amber);
  font: italic 1.6rem/1.35 var(--serif-display);
}

.prose :not(pre) > code {
  font: 0.85em var(--mono);
  background: var(--bg-raised);
  border: 1px solid var(--rule);
  padding: 0.1em 0.35em;
}

.prose pre {
  font: 0.85rem/1.6 var(--mono);
  background: var(--bg-raised);
  border: 1px solid var(--rule);
  border-left: 2px solid var(--green);
  padding: 1.25rem 1.5rem;
  overflow-x: auto;
  margin: 2rem 0;
}

.post-nav {
  display: flex;
  justify-content: space-between;
  gap: 2rem;
  margin-top: 5rem;
  padding-top: 2rem;
  border-top: 1px solid var(--rule);
}

.post-nav a { display: flex; flex-direction: column; text-decoration: none; font: 700 1.15rem/1.3 var(--sans); letter-spacing: -0.01em; }
.post-nav .dim { font: 0.75rem var(--mono); margin-bottom: 0.25rem; }
.post-nav .next { text-align: right; margin-left: auto; }

/* ---------- prism tokens ---------- */

.token.comment, .token.prolog { color: var(--dim); font-style: italic; }
.token.keyword, .token.boolean, .token.important { color: var(--green); }
.token.string, .token.number, .token.char, .token.regex { color: var(--amber); }
.token.function, .token.class-name { color: #fff; font-weight: 600; }
.token.punctuation, .token.operator { color: #a8a8a3; }

/* ---------- load-in ---------- */

.reveal { animation: rise 0.7s cubic-bezier(0.2, 0.7, 0.2, 1) both; }
.hero .reveal:nth-child(2) { animation-delay: 0.08s; }
.hero .reveal:nth-child(3) { animation-delay: 0.16s; }

@keyframes rise { from { opacity: 0; transform: translateY(12px); } }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation: none !important; transition: none !important; }
}