@font-face {
  font-family: "Source Serif 4";
  src: url("../fonts/source-serif-4.woff2") format("woff2");
  font-weight: 200 900;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: "IBM Plex Mono";
  src: url("../fonts/plex-mono-regular.woff2") format("woff2");
  font-weight: 400;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: "IBM Plex Mono";
  src: url("../fonts/plex-mono-medium.woff2") format("woff2");
  font-weight: 500;
  font-style: normal;
  font-display: swap;
}

:root {
  --paper: #F2EBE0;
  --ink: #1B1713;
  --muted: #6B6156;
  --hair: #C9BDAE;
  --copper: #B85A28;
  --amber: #C9891F;
  --indigo: #3F3B78;
  --code: #E8DFD0;
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html, body { background: var(--paper); color: var(--ink); }
body {
  font-family: "Source Serif 4", "Iowan Old Style", Georgia, serif;
  font-size: 18px;
  line-height: 1.55;
  font-weight: 450;
  min-height: 100vh;
}

.wrap { width: min(720px, calc(100% - 64px)); margin: 0 auto; padding: 36px 0 72px; }
.wrap-wide { width: min(860px, calc(100% - 64px)); margin: 0 auto; padding: 36px 0 72px; }

.mono {
  font-family: "IBM Plex Mono", ui-monospace, monospace;
  font-size: 12px;
  line-height: 1.4;
  letter-spacing: 0.02em;
  font-weight: 400;
}

a { color: var(--copper); text-decoration: none; }
a:hover { color: var(--ink); }

header.mast {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--hair);
  margin-bottom: 28px;
}
.wordmark {
  font-size: 22px;
  font-weight: 560;
  letter-spacing: -0.02em;
}
.wordmark a { color: inherit; }
.wordmark em {
  font-style: normal;
  color: var(--copper);
}
.status { color: var(--muted); }
.status b { color: var(--ink); font-weight: 500; }

.kicker {
  color: var(--muted);
  margin-bottom: 10px;
}
.kicker .dot { color: var(--hair); margin: 0 0.45em; }
.kicker .signal { color: var(--amber); font-weight: 500; }

h1 {
  font-size: 40px;
  line-height: 1.15;
  font-weight: 580;
  letter-spacing: -0.025em;
  margin-bottom: 12px;
}

.lede {
  font-size: 20px;
  line-height: 1.45;
  color: var(--ink);
  max-width: 58ch;
}

/* INDEX */
.intro {
  display: grid;
  grid-template-columns: 72px 1fr;
  gap: 20px;
  padding-bottom: 28px;
  margin-bottom: 8px;
  border-bottom: 1px solid var(--hair);
}
.stamp {
  font-family: "IBM Plex Mono", ui-monospace, monospace;
  font-size: 11px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--indigo);
  padding-top: 6px;
}
.intro p { max-width: 48ch; }

.index { list-style: none; }
.index li {
  display: grid;
  grid-template-columns: 48px 1fr 88px;
  gap: 16px;
  align-items: baseline;
  padding: 16px 0;
  border-bottom: 1px solid var(--hair);
}
.index .num {
  font-family: "IBM Plex Mono", ui-monospace, monospace;
  font-size: 12px;
  color: var(--copper);
  font-weight: 500;
}
.index a.title {
  color: var(--ink);
  font-size: 20px;
  font-weight: 520;
  letter-spacing: -0.015em;
}
.index a.title:hover { color: var(--copper); }
.index .meta { color: var(--muted); text-align: right; }

.now {
  margin-top: 36px;
  padding-top: 16px;
  border-top: 1px solid var(--ink);
  display: grid;
  grid-template-columns: 72px 1fr;
  gap: 20px;
}
.now .label {
  font-family: "IBM Plex Mono", ui-monospace, monospace;
  font-size: 11px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--copper);
  padding-top: 3px;
}
.now p { color: var(--ink); max-width: 48ch; }

/* POST */
article { width: min(65ch, 100%); }
article p { margin: 1.1em 0; }
article h2 {
  font-size: 24px;
  font-weight: 580;
  letter-spacing: -0.02em;
  margin: 1.8em 0 0.5em;
}
.sidenote-col { position: relative; }
.sidenote {
  font-family: "IBM Plex Mono", ui-monospace, monospace;
  font-size: 11px;
  line-height: 1.45;
  color: var(--muted);
  border-left: 1px solid var(--copper);
  padding-left: 12px;
  margin: 1.4em 0;
  max-width: 42ch;
}
pre, code { font-family: "IBM Plex Mono", ui-monospace, monospace; }
pre {
  background: var(--code);
  border: 1px solid var(--hair);
  padding: 14px 16px;
  font-size: 13px;
  line-height: 1.5;
  overflow: auto;
  margin: 1.4em 0;
}
code { font-size: 0.86em; }
pre code { font-size: 13px; }

.backlinks {
  margin-top: 48px;
  padding-top: 16px;
  border-top: 1px solid var(--hair);
}
.backlinks .label {
  font-family: "IBM Plex Mono", ui-monospace, monospace;
  font-size: 11px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 8px;
}
.backlinks a { display: block; margin: 4px 0; }

footer.colophon {
  margin-top: 56px;
  padding-top: 14px;
  border-top: 1px solid var(--hair);
  color: var(--muted);
}

figure.fig {
  margin: 1.7em 0 1.9em;
  width: 100%;
}
figure.fig img {
  width: 100%;
  height: auto;
  display: block;
  image-rendering: pixelated;
}
figcaption {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 16px;
  font-family: "IBM Plex Mono", ui-monospace, monospace;
  font-size: 11px;
  letter-spacing: 0.04em;
  color: var(--muted);
  border-top: 1px solid var(--hair);
  padding-top: 8px;
  margin-top: 0;
}
figcaption .id {
  color: var(--copper);
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.mail {
  margin-top: 28px;
  padding-top: 16px;
  border-top: 1px solid var(--hair);
  display: grid;
  grid-template-columns: 72px 1fr;
  gap: 20px;
}
.mail .label {
  font-family: "IBM Plex Mono", ui-monospace, monospace;
  font-size: 11px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--indigo);
  padding-top: 3px;
}
.mail-body { max-width: 48ch; }
.mail-rss {
  font-family: "IBM Plex Mono", ui-monospace, monospace;
  font-size: 12px;
  letter-spacing: 0.02em;
  margin-bottom: 10px;
  color: var(--muted);
}
.mail-rss a { font-weight: 500; }
.mail-form {
  display: flex;
  align-items: stretch;
  border: 1px solid var(--ink);
  background: var(--paper);
}
.mail-form label {
  font-family: "IBM Plex Mono", ui-monospace, monospace;
  font-size: 11px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--muted);
  padding: 8px 10px 8px 12px;
  border-right: 1px solid var(--hair);
  display: flex;
  align-items: center;
  white-space: nowrap;
}
.mail-form input[type="email"] {
  flex: 1;
  border: 0;
  background: transparent;
  color: var(--ink);
  font-family: "IBM Plex Mono", ui-monospace, monospace;
  font-size: 13px;
  padding: 8px 10px;
  outline: none;
  min-width: 0;
}
.mail-form input[type="email"]::placeholder { color: var(--hair); }
.mail-form button {
  border: 0;
  border-left: 1px solid var(--ink);
  background: var(--paper);
  color: var(--copper);
  font-family: "IBM Plex Mono", ui-monospace, monospace;
  font-size: 11px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 8px 14px;
  cursor: pointer;
}
.mail-form button:hover { background: var(--ink); color: var(--paper); }
.mail-note {
  font-family: "IBM Plex Mono", ui-monospace, monospace;
  font-size: 11px;
  color: var(--muted);
  margin-top: 8px;
}