:root {
  --paper: #e8e6e1;
  --paper-2: #dedbd5;
  --ink: #141414;
  --ink-2: #4a4a4a;
  --ink-3: #8a8884;
  --line: #141414;
  --signal: #ff4a00;
  --sans: "Helvetica Neue", Helvetica, Inter, Arial, sans-serif;
  --mono: ui-monospace, "SF Mono", Menlo, Consolas, "Liberation Mono", monospace;
  --pad: 24px;
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  font: 15px/1.5 var(--sans);
  color: var(--ink);
  background: var(--paper);
  border-top: 6px solid var(--ink);
}
a { color: inherit; text-decoration: underline; text-underline-offset: 2px; text-decoration-thickness: 1px; }
a:hover { color: var(--signal); }
code { font-family: var(--mono); font-size: 0.9em; }
p code, li code, dd code, h3 code { background: var(--paper-2); padding: 0.05em 0.35em; }
h1, h2, h3 { margin: 0; font-weight: 500; letter-spacing: -0.01em; }
.skip { position: absolute; left: -999px; top: 8px; background: var(--ink); color: var(--paper); padding: 8px 12px; z-index: 10; }
.skip:focus { left: 8px; }

.label, .masthead .tag, dt, .num, .idx, .tabs button, .copy, .term-bar, th, time, .current, .note {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

/* Masthead */
.masthead {
  display: grid; grid-template-columns: auto 1fr auto; align-items: baseline; gap: 20px;
  padding: 14px var(--pad); border-bottom: 1px solid var(--line);
}
.brand { font-family: var(--mono); font-weight: 700; font-size: 15px; letter-spacing: 0.14em; text-decoration: none; }
.brand:hover { color: var(--ink); }
.masthead .tag { color: var(--ink-3); }
.masthead nav { display: flex; gap: 22px; font-size: 14px; }
.masthead nav a { text-decoration: none; }
.masthead nav a:hover { text-decoration: underline; }

main { display: block; }
section { padding: 40px var(--pad); border-bottom: 1px solid var(--line); }

/* Hero */
.hero { padding-top: 64px; padding-bottom: 48px; }
.hero h1 {
  font-size: clamp(2.6rem, 8vw, 6.4rem); line-height: 0.95; letter-spacing: -0.035em; font-weight: 500;
  max-width: 14ch;
}
.lede { max-width: 58ch; margin: 28px 0 0; font-size: 1.1rem; color: var(--ink-2); }

.spec {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 1px; background: var(--line); border: 1px solid var(--line);
  margin: 40px 0 0;
}
.spec > div { background: var(--paper); padding: 12px 14px; }
.spec dt { color: var(--ink-3); margin-bottom: 6px; }
.spec dd { margin: 0; font-family: var(--mono); font-size: 13px; }

/* Quick install */
.quick { padding-top: 28px; padding-bottom: 28px; }
.tabs { display: flex; }
.tabs button {
  font-family: var(--mono); cursor: pointer; background: transparent; color: var(--ink-3);
  border: 1px solid var(--line); border-bottom: 0; padding: 8px 16px; margin-right: -1px;
}
.tabs button[aria-selected="true"] { background: var(--ink); color: var(--paper); border-color: var(--ink); }

.cmd { position: relative; border: 1px solid var(--line); background: #fff; }
.cmd pre {
  margin: 0; padding: 16px 90px 16px 16px; white-space: pre-wrap; overflow-wrap: anywhere;
  font-family: var(--mono); font-size: 13px; line-height: 1.6;
}
.quick .cmd pre { font-size: 14px; }
.copy {
  position: absolute; top: 0; right: 0; cursor: pointer; font-family: var(--mono);
  background: transparent; color: var(--ink); border: 0; border-left: 1px solid var(--line); border-bottom: 1px solid var(--line);
  padding: 8px 14px;
}
.copy:hover { background: var(--ink); color: var(--paper); }
.copy.done { background: var(--signal); color: #fff; }
.note { color: var(--ink-3); margin: 12px 0 0; }
.note code { text-transform: none; background: none; padding: 0; }

/* Points */
.points {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 1px; background: var(--line); padding: 0; border-bottom: 1px solid var(--line);
}
.points > div { background: var(--paper); padding: 24px var(--pad) 28px; }
.num { display: block; width: 10px; height: 10px; background: var(--signal); margin-bottom: 26px; }
.points h3 { font-size: 1.05rem; margin-bottom: 8px; }
.points p { margin: 0; color: var(--ink-2); font-size: 0.93rem; }

/* Section headings */
h2 { font-size: 2rem; letter-spacing: -0.02em; display: flex; align-items: baseline; gap: 16px; }
.idx { color: var(--signal); }
.sub { margin: 6px 0 28px; color: var(--ink-2); }

/* Terminal */
.term { border: 1px solid var(--line); background: var(--ink); color: var(--paper); }
.term-bar { display: flex; justify-content: space-between; padding: 8px 16px; border-bottom: 1px solid #3a3a3a; color: var(--ink-3); }
.term pre { margin: 0; padding: 18px 16px; overflow-x: auto; font-family: var(--mono); font-size: 12.5px; line-height: 1.6; }
.term .p { color: var(--signal); }
.term .w { color: #f5c542; }

/* Install rows */
.rows { border-top: 1px solid var(--line); }
.row { display: grid; grid-template-columns: minmax(200px, 1fr) 2fr; gap: 24px; padding: 24px 0; border-bottom: 1px solid var(--line); }
.row-head h3 { font-size: 1.1rem; margin-bottom: 6px; }
.row-head p { margin: 0; color: var(--ink-2); font-size: 0.93rem; }
.manual { margin-top: 24px; border: 1px solid var(--line); }
.manual summary { cursor: pointer; padding: 12px 16px; font-family: var(--mono); font-size: 13px; }
.manual summary:hover { background: var(--ink); color: var(--paper); }
.manual[open] summary { border-bottom: 1px solid var(--line); }
.manual table { width: 100%; border-collapse: collapse; font-size: 13px; }
.manual th, .manual td { text-align: left; padding: 10px 16px; border-bottom: 1px solid var(--line); }
.manual th { color: var(--ink-3); font-weight: 400; }
.manual td a { font-family: var(--mono); font-size: 12px; }
.manual .cmd { border: 0; }

/* Changelog */
.log { border-top: 1px solid var(--line); }
.log article { display: grid; grid-template-columns: minmax(200px, 1fr) 2fr; gap: 24px; padding: 24px 0; border-bottom: 1px solid var(--line); }
.log header { display: flex; flex-direction: column; gap: 6px; align-items: flex-start; }
.log header a { font-family: var(--mono); font-size: 1.3rem; text-decoration: none; }
.log header a:hover { color: var(--signal); }
.log time { color: var(--ink-3); }
.current { color: var(--signal); }
.log ul { margin: 0; padding-left: 18px; color: var(--ink-2); font-size: 0.93rem; }
.log li { margin: 4px 0; }

/* Footer */
footer { padding: 24px var(--pad) 40px; display: flex; justify-content: space-between; gap: 24px; flex-wrap: wrap; color: var(--ink-3); font-size: 12px; }
footer p { margin: 0; max-width: 70ch; }
footer nav { display: flex; gap: 18px; }

@media (max-width: 720px) {
  :root { --pad: 16px; }
  .masthead { grid-template-columns: 1fr auto; }
  .masthead .tag { display: none; }
  .masthead nav { gap: 14px; font-size: 13px; }
  .hero { padding-top: 40px; }
  .row, .log article { grid-template-columns: 1fr; gap: 14px; }
  .cmd pre { padding: 44px 16px 16px; }
  h2 { font-size: 1.6rem; }
}