/* GrainFed — no framework, no build step, one stylesheet.
   The site is built the way the software is. */

:root {
  color-scheme: light dark;

  --bg: #fbfaf8;
  --fg: #1d1d1f;
  --muted: #62636a;
  --line: rgba(0, 0, 0, 0.11);
  --card: #ffffff;
  --subtle: #f3f2ef;
  --link: #1f6feb;
  --accent: #b45309;
  --ok: #197149;
  --warn: #a35a00;
  --code-bg: #f4f3f0;
  --radius: 12px;
  --measure: 68ch;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0f1012;
    --fg: #e8e8ea;
    --muted: #9a9ba3;
    --line: rgba(255, 255, 255, 0.13);
    --card: #17181b;
    --subtle: #1c1d21;
    --link: #6ba5f5;
    --accent: #e0a86a;
    --ok: #56c98c;
    --warn: #e0a86a;
    --code-bg: #17181b;
  }
}

* { box-sizing: border-box; }

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

body {
  margin: 0;
  background: var(--bg);
  color: var(--fg);
  font: 17px/1.65 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto,
    "Helvetica Neue", Arial, sans-serif;
}

.wrap {
  max-width: 900px;
  margin: 0 auto;
  padding: 0 22px;
}

/* ---------- header ---------- */

header.site {
  border-bottom: 1px solid var(--line);
  background: var(--card);
}

header.site .wrap {
  display: flex;
  align-items: center;
  gap: 22px;
  flex-wrap: wrap;
  padding-top: 14px;
  padding-bottom: 14px;
}

.brand {
  font-weight: 700;
  font-size: 19px;
  letter-spacing: -0.01em;
  text-decoration: none;
  color: var(--fg);
  margin-right: auto;
}

.brand span { color: var(--accent); }

nav.site a {
  color: var(--muted);
  text-decoration: none;
  margin-left: 18px;
  font-size: 15px;
  white-space: nowrap;
}

nav.site a:hover,
nav.site a[aria-current="page"] {
  color: var(--fg);
}

nav.site a[aria-current="page"] { font-weight: 600; }

/* ---------- typography ---------- */

main { padding: 44px 0 72px; }

h1 {
  font-size: 2.1rem;
  line-height: 1.2;
  letter-spacing: -0.02em;
  margin: 0 0 14px;
}

h2 {
  font-size: 1.35rem;
  letter-spacing: -0.01em;
  margin: 44px 0 12px;
  padding-top: 18px;
  border-top: 1px solid var(--line);
}

h3 { font-size: 1.05rem; margin: 28px 0 8px; }

p, ul, ol { max-width: var(--measure); }

a { color: var(--link); }

.lede {
  font-size: 1.16rem;
  line-height: 1.55;
  color: var(--muted);
  margin: 0 0 28px;
}

.muted { color: var(--muted); }

small.note {
  display: block;
  color: var(--muted);
  font-size: 14px;
  margin-top: 8px;
  max-width: var(--measure);
}

/* ---------- code ---------- */

code {
  font-family: ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas, monospace;
  font-size: 0.88em;
  background: var(--code-bg);
  border: 1px solid var(--line);
  border-radius: 5px;
  padding: 1px 5px;
}

pre {
  background: var(--code-bg);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 15px 17px;
  overflow-x: auto;
  font-size: 14.5px;
  line-height: 1.55;
}

pre code {
  background: none;
  border: 0;
  padding: 0;
  font-size: inherit;
}

/* ---------- cards and grids ---------- */

.cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 16px;
  margin: 22px 0;
}

.card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 18px 20px;
}

.card h3 { margin: 0 0 6px; font-size: 1rem; }
.card p { margin: 0; font-size: 15px; color: var(--muted); max-width: none; }

/* ---------- the before/after block ---------- */

.swap {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 14px;
  margin: 24px 0;
}

.swap div {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 16px 18px;
  background: var(--card);
}

.swap .label {
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.07em;
  color: var(--muted);
  margin-bottom: 8px;
}

.swap code { background: none; border: 0; padding: 0; font-size: 14px; }

/* ---------- buttons ---------- */

.btn {
  display: inline-block;
  background: var(--fg);
  color: var(--bg);
  text-decoration: none;
  font-weight: 600;
  font-size: 15px;
  padding: 10px 18px;
  border-radius: 9px;
  border: 1px solid var(--fg);
}

.btn:hover { opacity: 0.88; }

.btn.secondary {
  background: transparent;
  color: var(--fg);
  border-color: var(--line);
}

.btns { display: flex; gap: 10px; flex-wrap: wrap; margin: 26px 0; }

/* ---------- tables ---------- */

table {
  width: 100%;
  border-collapse: collapse;
  margin: 18px 0;
  font-size: 15px;
}

th, td {
  text-align: left;
  padding: 10px 12px;
  border-bottom: 1px solid var(--line);
  vertical-align: top;
}

th {
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--muted);
  font-weight: 600;
}

.tablewrap { overflow-x: auto; }

/* ---------- callouts ---------- */

.callout {
  border: 1px solid var(--line);
  border-left: 4px solid var(--accent);
  border-radius: var(--radius);
  background: var(--card);
  padding: 16px 18px;
  margin: 24px 0;
  max-width: var(--measure);
}

.callout p { margin: 0; }
.callout p + p { margin-top: 10px; }
.callout.ok { border-left-color: var(--ok); }

/* ---------- server directory ---------- */

.server {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--card);
  padding: 20px 22px;
  margin: 18px 0;
}

.server h3 { margin: 0 0 4px; font-size: 1.15rem; }
.server h3 a { text-decoration: none; }
.server .meta { color: var(--muted); font-size: 14px; margin: 0 0 10px; }
.server p { max-width: none; }

.pill {
  display: inline-block;
  font-size: 12px;
  padding: 2px 9px;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: var(--subtle);
  color: var(--muted);
  margin-right: 6px;
}

/* ---------- footer ---------- */

footer.site {
  border-top: 1px solid var(--line);
  padding: 26px 0 44px;
  color: var(--muted);
  font-size: 14px;
}

footer.site .wrap { display: flex; gap: 18px; flex-wrap: wrap; }
footer.site a { color: var(--muted); }
footer.site .spacer { margin-left: auto; }

@media (max-width: 640px) {
  h1 { font-size: 1.7rem; }
  .brand { margin-right: 0; width: 100%; }
  nav.site a { margin-left: 0; margin-right: 16px; }
  footer.site .spacer { margin-left: 0; }
}