/* ------------------------------------------------------------------
   tokens
   ------------------------------------------------------------------ */
:root {
  color-scheme: light dark;

  --paper:  #FBFAF7;   /* warm neutral, not cream */
  --ink:    #16181C;   /* near-black, cool cast   */
  --soft:   #6A7078;   /* dates, metadata         */
  --rule:   #E4E2DC;   /* hairlines               */
  --signal: #8A5A18;   /* oxidised brass          */

  --measure: 34rem;

  --mono:  "Cascadia Mono", "JetBrains Mono", ui-monospace, SFMono-Regular,
           "SF Mono", Menlo, Consolas, "DejaVu Sans Mono", monospace;
  --serif: "Iowan Old Style", Charter, "Bitstream Charter", "Source Serif 4",
           Cambria, Georgia, ui-serif, serif;
}

@media (prefers-color-scheme: dark) {
  :root {
    --paper:  #101215;
    --ink:    #E6E4DE;
    --soft:   #878D95;
    --rule:   #262A2F;
    --signal: #D9A441;
  }
}

*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  padding: clamp(2.5rem, 8vw, 6rem) 1.5rem 4rem;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--serif);
  font-size: 1.0625rem;
  line-height: 1.65;
  font-kerning: normal;
  text-rendering: optimizeLegibility;
}

.masthead, main, .colophon { max-width: var(--measure); margin-inline: auto; }

a { transition: color .12s ease; }
::selection { background: var(--signal); color: var(--paper); }
:focus-visible { outline: 2px solid var(--signal); outline-offset: 3px; }

/* ------------------------------------------------------------------
   masthead + footer
   ------------------------------------------------------------------ */
.wordmark {
  font-family: var(--mono);
  font-size: .875rem;
  letter-spacing: .02em;
  color: var(--ink);
  text-decoration: none;
  border-bottom: 1px solid var(--rule);
  padding-bottom: .18em;
}
.wordmark:hover { color: var(--signal); border-color: var(--signal); }

.colophon {
  margin-top: 5rem;
  padding-top: 1.25rem;
  border-top: 1px solid var(--rule);
  font-family: var(--mono);
  font-size: .75rem;
  letter-spacing: .02em;
  color: var(--soft);
}
.colophon p { margin: 0; }
.colophon a { color: var(--soft); }
.colophon a:hover { color: var(--signal); }

/* ------------------------------------------------------------------
   index — the log
   ------------------------------------------------------------------ */
.tagline { margin: 2.5rem 0 4rem; color: var(--soft); }

.rail-heading {
  margin: 0 0 .25rem;
  padding-bottom: .6rem;
  border-bottom: 1px solid var(--rule);
  font-family: var(--mono);
  font-size: .75rem;
  font-weight: 500;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--soft);
}

.log { list-style: none; margin: 0; padding: 0; }

.log-row {
  display: grid;
  grid-template-columns: max-content 1fr;
  gap: 0 1.75rem;
  align-items: baseline;
  padding: .95rem 0;
  border-bottom: 1px solid var(--rule);
}

.log-date {
  font-family: var(--mono);
  font-size: .8125rem;
  font-variant-numeric: tabular-nums;
  color: var(--soft);
}

.log-title {
  color: var(--ink);
  text-decoration: none;
}
.log-row:hover .log-title {
  color: var(--signal);
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: .22em;
}

.log-empty { padding: .95rem 0; color: var(--soft); }

@media (max-width: 30rem) {
  .log-row { grid-template-columns: 1fr; gap: .3rem; }
}

/* ------------------------------------------------------------------
   post
   ------------------------------------------------------------------ */
.post h1 {
  margin: 2.5rem 0 .5rem;
  font-size: clamp(1.5rem, 4.5vw, 1.9rem);
  font-weight: 600;
  line-height: 1.2;
  letter-spacing: -.012em;
  text-wrap: balance;
}

.post-meta {
  margin: 0 0 2.75rem;
  font-family: var(--mono);
  font-size: .8125rem;
  color: var(--soft);
}

.post h2 {
  margin: 2.75rem 0 .75rem;
  font-size: 1.1875rem;
  font-weight: 600;
  letter-spacing: -.005em;
}
.post h3 {
  margin: 2rem 0 .5rem;
  font-size: 1.0625rem;
  font-weight: 600;
}

.post p  { margin: 0 0 1.35rem; }
.post ul, .post ol { margin: 0 0 1.35rem; padding-left: 1.35rem; }
.post li { margin: .35rem 0; }

.post a {
  color: var(--ink);
  text-decoration: underline;
  text-decoration-color: var(--signal);
  text-decoration-thickness: 1px;
  text-underline-offset: .18em;
}
.post a:hover { color: var(--signal); }

.post blockquote {
  margin: 2rem 0;
  padding-left: 1.25rem;
  border-left: 2px solid var(--rule);
  color: var(--soft);
  font-style: italic;
}

.post code {
  font-family: var(--mono);
  font-size: .875em;
  background: color-mix(in srgb, var(--rule) 55%, transparent);
  padding: .1em .35em;
  border-radius: 2px;
}
.post pre {
  margin: 0 0 1.5rem;
  padding: 1rem 1.15rem;
  overflow-x: auto;
  border: 1px solid var(--rule);
  border-radius: 3px;
  background: color-mix(in srgb, var(--rule) 28%, transparent);
  font-family: var(--mono);
  font-size: .8125rem;
  line-height: 1.55;
}
.post pre code { background: none; padding: 0; font-size: 1em; }

.post hr  { margin: 3rem 0; border: 0; border-top: 1px solid var(--rule); }
.post img { display: block; max-width: 100%; height: auto; }

.post table { border-collapse: collapse; width: 100%; margin: 0 0 1.5rem;
              font-size: .9375rem; }
.post th, .post td { text-align: left; padding: .5rem .75rem .5rem 0;
                     border-bottom: 1px solid var(--rule); }
.post th { font-weight: 600; }

.back {
  margin-top: 3.5rem;
  font-family: var(--mono);
  font-size: .8125rem;
}
.back a { color: var(--soft); text-decoration: none; }
.back a:hover { color: var(--signal); }

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