/* Standpat site. One stylesheet, system fonts only, no scripts. One column. */
:root {
  --bg: #f6f4ef;
  --fg: #15171c;
  --soft: #3e4450;
  --accent: #b4501f;
  --accent-bg: #e2672e;
  --on-accent: #15171c;
  --panel: #fffdf9;
  --line: #dcd7cc;
  --term-bg: #15171c;
  --term-fg: #d5d9e0;
  --term-dim: #8b929e;
  --term-edge: #2a2e36;
  --term-you: #f08a52;
  --term-add: #9fd3a0;
  --term-del: #f2a79c;
  --gutter: 16px;
  --measure: 44rem;
  --sans: system-ui, -apple-system, "Segoe UI", Roboto, Arial, sans-serif;
  --mono: ui-monospace, SFMono-Regular, Menlo, Consolas, "Courier New", monospace;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #121418;
    --fg: #f1efe9;
    --soft: #b9bfc9;
    --accent: #f08a52;
    --accent-bg: #e2672e;
    --on-accent: #15171c;
    --panel: #1b1e24;
    --line: #2e323b;
    --term-bg: #0b0c0f;
    --term-edge: #2e323b;
  }
}

*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--fg);
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.6;
}

.wrap {
  width: 100%;
  max-width: var(--measure);
  margin: 0 auto;
  padding: 0 var(--gutter);
}

a { color: var(--accent); text-underline-offset: 3px; }
p { margin: 0 0 1em; overflow-wrap: break-word; }
h1, h2, h3 { margin: 0; line-height: 1.15; overflow-wrap: break-word; }
h1 { font-size: clamp(2.6rem, 14vw, 5rem); letter-spacing: -0.035em; font-weight: 800; }
h2 { font-size: clamp(1.6rem, 6.5vw, 2.25rem); letter-spacing: -0.02em; margin: 0 0 1rem; font-weight: 750; }
h3 { font-size: 1.2rem; letter-spacing: -0.01em; margin: 2rem 0 0.5rem; }
ul, ol { margin: 0 0 1em; padding-left: 1.3em; }
li { margin-bottom: 0.5em; }
li > pre { margin-top: 0.6em; }
strong { font-weight: 650; }

code, pre { font-family: var(--mono); }
code { font-size: 0.9em; overflow-wrap: anywhere; }

/* Plain code blocks wrap; they never scroll the page sideways. */
pre {
  margin: 0.75em 0 1em;
  padding: 14px 16px;
  border-radius: 6px;
  background: var(--term-bg);
  color: var(--term-fg);
  font-size: 0.85rem;
  line-height: 1.55;
  white-space: pre-wrap;
  overflow-wrap: anywhere;
}

:focus-visible { outline: 3px solid var(--accent-bg); outline-offset: 3px; border-radius: 2px; }

.skip {
  position: absolute;
  left: var(--gutter);
  top: -100px;
  background: var(--fg);
  color: var(--bg);
  padding: 8px 12px;
  border-radius: 4px;
}
.skip:focus { top: 8px; }

/* The mark: two posts and a bar. */
.mark { display: inline-block; vertical-align: middle; flex: none; }
.mark .post { stroke: currentColor; }
.mark .bar { fill: var(--accent-bg); }

/* Site header */
.site-head { border-bottom: 1px solid var(--line); padding: 14px 0; }
.site-head .wrap { display: flex; flex-wrap: wrap; gap: 6px 22px; align-items: center; }
.site-head a { color: var(--fg); text-decoration: none; }
.site-head a:hover { text-decoration: underline; }
.site-head .brand { display: inline-flex; gap: 10px; align-items: center; font-weight: 750; letter-spacing: -0.01em; margin-right: auto; }
.site-head a[aria-current="page"] { border-bottom: 2px solid var(--accent-bg); }
.site-head.bare { border-bottom: 0; }

main { padding: 0 0 3rem; }
.lede { font-size: 1.15rem; color: var(--soft); }
.soft { color: var(--soft); }

/* First screen of the home page */
.first {
  min-height: 86vh;
  min-height: 86svh;
  display: flex;
  align-items: center;
  padding: 3rem 0 4rem;
}
.first .mark { color: var(--fg); margin-bottom: 1.5rem; }
.first .tag { font-size: clamp(1.25rem, 5.2vw, 1.75rem); color: var(--soft); margin: 1.25rem 0 0; line-height: 1.35; }
.first .tag strong { color: var(--fg); font-weight: 650; }
.first .stand { font-size: clamp(1.25rem, 5.2vw, 1.75rem); margin: 1.25rem 0 0; font-weight: 700; }

/* A barrier stripe: the one decorative flourish. */
.stripe {
  height: 10px;
  background: repeating-linear-gradient(135deg, var(--accent-bg) 0 14px, transparent 14px 28px);
  opacity: 0.9;
}

.btn {
  display: inline-block;
  margin-top: 2rem;
  padding: 14px 22px;
  border-radius: 6px;
  background: var(--accent-bg);
  color: var(--on-accent);
  font-weight: 700;
  text-decoration: none;
  max-width: 100%;
  border: 2px solid var(--accent-bg);
}
.btn:hover { background: transparent; color: var(--fg); }
.btn.ghost { background: transparent; color: var(--fg); border-color: var(--fg); }
.btn.ghost:hover { background: var(--fg); color: var(--bg); }
.btn-row { display: flex; flex-wrap: wrap; gap: 12px 16px; align-items: center; margin-top: 1.5rem; }
.btn-row .btn { margin-top: 0; }

/* Home page sections */
.band { padding: 4rem 0; border-top: 1px solid var(--line); }
.band.tint { background: var(--panel); }
.kicker {
  font-family: var(--mono);
  font-size: 0.8rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--accent);
  margin: 0 0 0.75rem;
}
.big { font-size: clamp(1.15rem, 4.4vw, 1.4rem); line-height: 1.5; }

/* How it works: a numbered sequence with a rail */
.steps { list-style: none; padding: 0; margin: 2rem 0 0; counter-reset: step; }
.steps > li {
  counter-increment: step;
  position: relative;
  padding: 0 0 2.5rem 2.75rem;
  margin: 0;
  border-left: 2px solid var(--line);
  margin-left: 14px;
}
.steps > li:last-child { border-left-color: transparent; padding-bottom: 0; }
.steps > li::before {
  content: counter(step);
  position: absolute;
  left: -16px;
  top: -2px;
  width: 30px;
  height: 30px;
  border-radius: 50%;
  background: var(--fg);
  color: var(--bg);
  font-family: var(--mono);
  font-size: 0.85rem;
  font-weight: 700;
  line-height: 30px;
  text-align: center;
}
.steps h3 { margin: 0 0 0.4rem; }

/* Reply panels: the centrepiece */
.term {
  margin: 1rem 0 1.25rem;
  border-radius: 8px;
  background: var(--term-bg);
  color: var(--term-fg);
  border: 1px solid var(--term-edge);
  overflow: hidden;
}
.term-bar {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 14px;
  border-bottom: 1px solid var(--term-edge);
  font-family: var(--mono);
  font-size: 0.75rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--term-dim);
}
.term-bar::before {
  content: "";
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--accent-bg);
  flex: none;
}
.term pre { margin: 0; border-radius: 0; background: transparent; padding: 14px 16px 16px; }
.term .you { color: var(--term-you); font-weight: 700; }
.term .dim { color: var(--term-dim); }
.term .add { color: var(--term-add); }
.term .del { color: var(--term-del); }

/* A status line, set as the one line under the prompt */
.status {
  margin: 0.75rem 0 1.25rem;
  padding: 10px 14px;
  border-radius: 6px;
  border: 1px solid var(--line);
  border-left: 4px solid var(--accent-bg);
  background: var(--panel);
  font-family: var(--mono);
  font-size: 0.85rem;
  line-height: 1.5;
  overflow-wrap: anywhere;
}
.status-label { display: block; font-family: var(--sans); font-size: 0.75rem; letter-spacing: 0.06em; text-transform: uppercase; color: var(--soft); margin-bottom: 2px; }

/* The newer parts: blocks */
.parts { display: grid; gap: 1.25rem; margin-top: 2rem; }
.part {
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 1.25rem 1.25rem 0.25rem;
  background: var(--bg);
}
.part h3 { margin-top: 0; }
.part .term, .part .status { margin-bottom: 1rem; }

/* Facts list in the trust section */
.facts { list-style: none; padding: 0; margin: 1.5rem 0; border-top: 1px solid var(--line); }
.facts li { padding: 0.9rem 0; margin: 0; border-bottom: 1px solid var(--line); }

/* Known limits */
.limits { padding-left: 1.4em; }
.limits li { margin-bottom: 0.9em; }

/* Inner pages */
.page { padding-top: 2.5rem; }
.page > .wrap > h1 { font-size: clamp(2rem, 9vw, 3.25rem); margin-bottom: 0.75rem; }
.page h2 { margin-top: 3rem; }
.way {
  border: 1px solid var(--line);
  border-left: 4px solid var(--accent-bg);
  background: var(--panel);
  border-radius: 8px;
  padding: 1.25rem 1.25rem 0.5rem;
  margin: 1.5rem 0;
}
.way h2, .way h3 { margin-top: 0; }
.note {
  border: 1px solid var(--line);
  background: var(--panel);
  border-radius: 8px;
  padding: 12px 14px;
  margin: 1em 0;
}
.ph {
  font-family: var(--mono);
  font-size: 0.9em;
  background: rgba(226, 103, 46, 0.14);
  padding: 1px 5px;
  border-radius: 4px;
  overflow-wrap: anywhere;
}
.time { color: var(--soft); font-size: 0.9em; font-weight: 400; }

.site-foot { border-top: 1px solid var(--line); padding: 28px 0 36px; color: var(--soft); font-size: 0.9rem; }
.site-foot .wrap { display: flex; flex-wrap: wrap; gap: 8px 20px; align-items: center; }
.site-foot p { margin: 0; }

@media (min-width: 720px) {
  .band { padding: 5.5rem 0; }
  .parts { grid-template-columns: 1fr 1fr; }
  .part.wide { grid-column: 1 / -1; }
}