:root {
  color-scheme: light dark;
  --bg: #f6f1e6;
  --ink: #1c1814;
  --muted: #6e6456;
  --line: #ddd4c4;
  --card: #fffdf8;
  --accent: #b07518;
  --ok: #2f6a3a;
  --code-bg: #efe8d8;
  --copy-bg: #efe8d8;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #14120f;
    --ink: #f3ead8;
    --muted: #b7aa93;
    --line: #3a342c;
    --card: #1e1b16;
    --accent: #e2a03a;
    --ok: #c4d5a0;
    --code-bg: #2a261f;
    --copy-bg: #2f2a23;
  }
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font: 17px/1.6 "Iowan Old Style", "Palatino Linotype", Palatino, "Songti SC", "Noto Serif SC", serif;
}

.wrap { max-width: 720px; margin: 0 auto; padding: 0 22px; }

.top {
  position: sticky; top: 0; z-index: 5;
  background: color-mix(in srgb, var(--bg) 88%, transparent);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line);
}
.top .wrap {
  display: flex; justify-content: space-between; align-items: center;
  gap: 12px;
  min-height: 56px;
  padding-top: 8px;
  padding-bottom: 8px;
}
.mark {
  color: var(--ink); text-decoration: none; font-weight: 700; letter-spacing: .02em;
  white-space: nowrap;
  display: inline-flex; align-items: center; gap: .5rem;
}
.mark img {
  width: 28px; height: 28px; border-radius: 7px;
  display: block; flex: none;
}
.mark span { color: var(--accent); }
.os-switch {
  display: flex; gap: 4px; flex-wrap: wrap; justify-content: flex-end;
}
.os-switch a {
  color: var(--muted); text-decoration: none;
  border: 1px solid var(--line); border-radius: 999px;
  padding: .28rem .85rem; font-size: 14px;
  font-family: ui-sans-serif, system-ui, sans-serif;
}
.os-switch a:hover { color: var(--ink); border-color: var(--muted); }
.os-switch a.is-on { color: var(--bg); background: var(--ink); border-color: var(--ink); }

.hero { padding: 3.2rem 0 1.5rem; }
.kicker {
  text-transform: uppercase; letter-spacing: .14em;
  font-size: 12px; color: var(--accent); margin: 0 0 .8rem;
  font-family: ui-sans-serif, system-ui, sans-serif;
}
h1 { font-size: clamp(1.8rem, 4vw, 2.4rem); line-height: 1.25; margin: 0 0 .8rem; font-weight: 700; }
h2 { font-size: 1.35rem; margin: 0 0 .8rem; }
.lede { color: var(--muted); margin: 0; }
section { padding: 1.6rem 0 2rem; border-top: 1px solid var(--line); }

code {
  font-family: ui-monospace, "SF Mono", Menlo, Consolas, monospace;
  font-size: .86em;
  background: var(--code-bg);
  padding: .12em .35em;
  border-radius: 4px;
}

.tabs { display: flex; gap: 6px; margin: 1rem 0; }
.tab {
  background: transparent; color: var(--muted);
  border: 1px solid var(--line); border-radius: 999px;
  padding: .35rem 1rem; cursor: pointer; font: inherit;
}
.tab.is-on { color: var(--bg); background: var(--ink); border-color: var(--ink); }
.panel { display: none; }
.panel.is-on { display: block; }

.cmd {
  display: flex; gap: 8px; align-items: flex-start;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: .85rem 1rem;
  margin: .7rem 0 1rem;
}
.cmd code {
  flex: 1; background: none; padding: 0;
  white-space: pre-wrap; word-break: break-all;
  color: var(--ok);
}
.copy {
  flex: none;
  background: var(--copy-bg); color: var(--ink);
  border: 1px solid var(--line); border-radius: 6px;
  padding: .25rem .6rem; cursor: pointer; font-size: 13px;
}
.copy:hover { border-color: var(--accent); }

ol { padding-left: 1.2rem; }
.note { color: var(--muted); font-size: .95rem; }
dt { font-weight: 700; margin-top: 1rem; }
dd { margin: .25rem 0 0; color: var(--muted); }

footer { padding: 2rem 0 3rem; color: var(--muted); font-size: 14px; }
footer a { color: var(--accent); }

.gate { padding: 4rem 0 3rem; }
.gate h1 { margin-bottom: 0.6rem; }
.pick { display: grid; gap: 10px; margin-top: 1.6rem; }
.pick a {
  display: block; color: var(--ink); text-decoration: none;
  background: var(--card); border: 1px solid var(--line);
  border-radius: 12px; padding: 1rem 1.1rem;
}
.pick a:hover { border-color: var(--accent); }
.pick b { display: block; font-size: 1.1rem; }
.pick span { color: var(--muted); font-size: .95rem; }

@media (max-width: 640px) {
  .top .wrap { flex-direction: column; align-items: flex-start; }
  .cmd { flex-direction: column; }
}