/* Self hosted so no request leaves this origin. Latin subset, variable
   weight axis, taken from the Google Fonts release of each family. */
@font-face {
  font-family: "Public Sans";
  src: url("/assets/fonts/public-sans.woff2") format("woff2-variations");
  font-weight: 100 900;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: "Azeret Mono";
  src: url("/assets/fonts/azeret-mono.woff2") format("woff2-variations");
  font-weight: 100 900;
  font-style: normal;
  font-display: swap;
}

:root {
  --paper: #fbfcfd;
  --grid: #e3edf4;
  --ink: #0f2a3d;
  --body: #41627a;
  --faint: #5d7a8c;
  --accent: #0b7285;
  --panel: #f2f8fb;
  --line: #0f2a3d;
}

* { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  background-color: var(--paper);
  background-image:
    linear-gradient(var(--grid) 1px, transparent 1px),
    linear-gradient(90deg, var(--grid) 1px, transparent 1px);
  background-size: 32px 32px;
  color: var(--ink);
  font-family: "Public Sans", system-ui, -apple-system, sans-serif;
  font-size: 16px;
  line-height: 1.6;
}

.frame {
  margin: 20px;
  border: 1.5px solid var(--line);
  background: var(--paper);
}

@media (min-width: 900px) { .frame { margin: 36px; } }

a { color: var(--accent); }
a:hover { color: var(--ink); }

.masthead {
  display: flex;
  flex-wrap: wrap;
  gap: 12px 24px;
  justify-content: space-between;
  align-items: center;
  border-bottom: 1.5px solid var(--line);
  padding: 16px 20px;
}

@media (min-width: 900px) { .masthead { padding: 16px 28px; } }

.wordmark {
  font-family: "Azeret Mono", ui-monospace, SFMono-Regular, Menlo, monospace;
  font-weight: 700;
  font-size: 16px;
  letter-spacing: .06em;
  color: var(--ink);
  text-decoration: none;
}

.masthead nav {
  display: flex;
  flex-wrap: wrap;
  gap: 16px 22px;
  font-family: "Azeret Mono", ui-monospace, monospace;
  font-size: 11px;
  letter-spacing: .1em;
  text-transform: uppercase;
}

.masthead nav a { color: var(--faint); text-decoration: none; }
.masthead nav a:hover,
.masthead nav a[aria-current="page"] { color: var(--accent); }

.stamp {
  font-family: "Azeret Mono", ui-monospace, monospace;
  font-size: 10.5px;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--accent);
  border: 1px solid var(--accent);
  display: inline-block;
  padding: 4px 9px;
}

.hero { padding: 32px 20px; border-bottom: 1.5px solid var(--line); }

@media (min-width: 900px) {
  .hero {
    padding: 44px 28px;
    display: grid;
    grid-template-columns: 1.35fr .65fr;
    gap: 36px;
    align-items: center;
  }
}

h1 {
  font-size: 34px;
  line-height: 1.12;
  font-weight: 700;
  letter-spacing: -.02em;
  margin: 18px 0 0;
  max-width: 19ch;
}

@media (min-width: 900px) { h1 { font-size: 52px; line-height: 1.1; } }

.hero p { font-size: 16.5px; line-height: 1.65; color: var(--body); max-width: 54ch; margin: 18px 0 0; }

.drawing {
  border: 1.5px solid var(--line);
  padding: 22px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
  background: var(--panel);
  margin-top: 28px;
}

@media (min-width: 900px) { .drawing { margin-top: 0; } }

.drawing .caption {
  font-family: "Azeret Mono", ui-monospace, monospace;
  font-size: 10px;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--faint);
}

.columns { display: grid; grid-template-columns: 1fr; }

@media (min-width: 900px) { .columns { grid-template-columns: repeat(3, 1fr); } }

.column { padding: 26px 20px; border-bottom: 1.5px solid var(--line); }

@media (min-width: 900px) {
  .column { padding: 30px 28px; border-bottom: none; border-right: 1.5px solid var(--line); }
  .column:last-child { border-right: none; }
}

.column:last-child { border-bottom: none; }

.index {
  font-family: "Azeret Mono", ui-monospace, monospace;
  font-size: 11px;
  color: var(--accent);
  letter-spacing: .12em;
}

h2 { font-size: 22px; font-weight: 700; margin: 12px 0 10px; letter-spacing: -.01em; }
.column p { font-size: 14.5px; line-height: 1.66; color: var(--body); margin: 0 0 12px; }

.callouts {
  border-top: 1.5px solid var(--line);
  padding: 24px 20px;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
}

@media (min-width: 900px) {
  .callouts { padding: 26px 28px; grid-template-columns: repeat(4, 1fr); gap: 22px; }
}

.callout { border-left: 2px solid var(--accent); padding-left: 14px; }
.callout b { display: block; font-family: "Azeret Mono", ui-monospace, monospace; font-size: 20px; }
.callout span { display: block; font-size: 12px; color: var(--faint); margin-top: 6px; line-height: 1.5; }

.prose { padding: 32px 20px; }

@media (min-width: 900px) { .prose { padding: 44px 56px; } }

.prose h1 { margin-top: 0; max-width: 24ch; }
.prose h2 {
  font-size: 15px;
  font-family: "Azeret Mono", ui-monospace, monospace;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--accent);
  margin: 36px 0 12px;
  padding-top: 18px;
  border-top: 1px solid var(--grid);
}
.prose h3 { font-size: 17px; margin: 22px 0 8px; }
.prose p, .prose li { font-size: 15.5px; line-height: 1.75; color: var(--body); max-width: 68ch; }
.prose ul { padding-left: 20px; }
.prose li { margin-bottom: 8px; }
.prose strong { color: var(--ink); }

.meta {
  font-family: "Azeret Mono", ui-monospace, monospace;
  font-size: 11px;
  letter-spacing: .06em;
  color: var(--faint);
  text-transform: uppercase;
  margin-top: 14px;
}

.note {
  border: 1.5px solid var(--accent);
  background: var(--panel);
  padding: 18px 20px;
  margin: 24px 0;
}
.note p { margin: 0; max-width: 66ch; }

table { border-collapse: collapse; width: 100%; margin: 16px 0; font-size: 14.5px; }
th, td { text-align: left; padding: 11px 12px; border-bottom: 1px solid var(--grid); vertical-align: top; }
th {
  font-family: "Azeret Mono", ui-monospace, monospace;
  font-size: 10.5px;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--faint);
  border-bottom: 1.5px solid var(--line);
}
td { color: var(--body); }
.scroller { overflow-x: auto; }

.colophon {
  border-top: 1.5px solid var(--line);
  padding: 18px 20px;
  display: flex;
  flex-wrap: wrap;
  gap: 10px 20px;
  justify-content: space-between;
  font-family: "Azeret Mono", ui-monospace, monospace;
  font-size: 10.5px;
  color: var(--faint);
  letter-spacing: .06em;
}

@media (min-width: 900px) { .colophon { padding: 18px 28px; } }

.colophon a { color: var(--faint); text-decoration: none; }
.colophon a:hover { color: var(--accent); }
.pending { color: var(--accent); }

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

.closing {
  border-top: 1.5px solid var(--line);
  padding: 26px 20px;
  display: flex;
  flex-wrap: wrap;
  gap: 16px 24px;
  align-items: center;
  justify-content: space-between;
}

@media (min-width: 900px) { .closing { padding: 28px 28px; } }

.closing p {
  margin: 0;
  font-size: 18px;
  line-height: 1.5;
  max-width: 46ch;
  color: var(--ink);
  font-weight: 600;
}

.action {
  font-family: "Azeret Mono", ui-monospace, monospace;
  font-size: 11.5px;
  letter-spacing: .14em;
  text-transform: uppercase;
  background: var(--ink);
  color: var(--paper);
  text-decoration: none;
  padding: 14px 22px;
  border: 1.5px solid var(--ink);
  white-space: nowrap;
}

.action:hover { background: var(--accent); border-color: var(--accent); color: var(--paper); }

.prose h3 { color: var(--ink); }