/* brainless public site. Palette and rules: docs/design.md (tools/brand.py is the code copy).
   Layout: one strong centre per screen, the way the mark is built. A woven band
   separates sections; motifs sit on the nodes of each section like knots on a thread. */
:root {
  --night: #0A1825; --ink: #042538; --cream: #FBDEA5; --bone: #F9EBDB;
  --madder: #CB221F; --vermilion: #F24B1E; --orange: #F97327;
  --saffron: #FBA335; --marigold: #FBB94B; --teal: #0C9794; --sage: #9BB38D;

  --bg: var(--night);
  --fg: var(--bone);
  --muted: #C9BBA6;
  --surface: var(--ink);
  --line: #1E3346;
  --accent: var(--vermilion);
  --accent-fg: var(--night);
  --link: #2FB5B1;
  --code-fg: var(--cream);
  --motif-ground: var(--cream);
  --motif-line: var(--night);

  --display: "Outfit", "Avenir Next", "Segoe UI", sans-serif;
  --body: "Hanken Grotesk", "Helvetica Neue", Arial, sans-serif;
  --mono: "IBM Plex Mono", "SF Mono", Menlo, Consolas, monospace;

  --step: 5px;
  --stepped: polygon(
    0 calc(2 * var(--step)), var(--step) calc(2 * var(--step)), var(--step) var(--step),
    calc(2 * var(--step)) var(--step), calc(2 * var(--step)) 0,
    calc(100% - 2 * var(--step)) 0, calc(100% - 2 * var(--step)) var(--step),
    calc(100% - var(--step)) var(--step), calc(100% - var(--step)) calc(2 * var(--step)),
    100% calc(2 * var(--step)),
    100% calc(100% - 2 * var(--step)), calc(100% - var(--step)) calc(100% - 2 * var(--step)),
    calc(100% - var(--step)) calc(100% - var(--step)), calc(100% - 2 * var(--step)) calc(100% - var(--step)),
    calc(100% - 2 * var(--step)) 100%,
    calc(2 * var(--step)) 100%, calc(2 * var(--step)) calc(100% - var(--step)),
    var(--step) calc(100% - var(--step)), var(--step) calc(100% - 2 * var(--step)),
    0 calc(100% - 2 * var(--step))
  );
  color-scheme: dark;
}
@media (prefers-color-scheme: light) {
  :root:not([data-theme="dark"]) {
    --bg: var(--bone); --fg: var(--ink); --muted: #4B5560;
    --surface: var(--cream); --line: #E2CBA3;
    --accent: var(--vermilion); --accent-fg: var(--night);
    --link: #0A7F7C; --code-fg: var(--ink);
    --motif-ground: var(--ink); --motif-line: var(--bone);
    color-scheme: light;
  }
}
:root[data-theme="light"] {
  --bg: var(--bone); --fg: var(--ink); --muted: #4B5560;
  --surface: var(--cream); --line: #E2CBA3;
  --accent: var(--vermilion); --accent-fg: var(--night);
  --link: #0A7F7C; --code-fg: var(--ink);
  --motif-ground: var(--ink); --motif-line: var(--bone);
  color-scheme: light;
}

* { box-sizing: border-box; }
body {
  margin: 0; background: var(--bg); color: var(--fg);
  font-family: var(--body); font-size: 17px; line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}
a { color: var(--link); text-decoration: none; }
a:hover, a:focus-visible { text-decoration: underline; text-underline-offset: 3px; }
:focus-visible { outline: 2px solid var(--saffron); outline-offset: 3px; }
img { max-width: 100%; height: auto; display: block; }
h1, h2, h3 { font-family: var(--display); text-wrap: balance; margin: 0; line-height: 1.1; }
h2 { font-size: clamp(1.7rem, 1.2rem + 2vw, 2.5rem); font-weight: 800; letter-spacing: -0.01em; }
h3 { font-size: 1.2rem; font-weight: 700; }
p { margin: 0; max-width: 62ch; }
code { font-family: var(--mono); font-size: 0.9em; color: var(--code-fg); }
.eyebrow {
  font-family: var(--display); font-weight: 500; font-size: 0.78rem;
  letter-spacing: 0.14em; text-transform: uppercase; color: var(--saffron);
}
.wrap { width: min(1080px, 100%); margin-inline: auto; padding-inline: 20px; }
section { padding-block: 72px; }
.section-head { display: grid; gap: 12px; margin-bottom: 40px; }
.section-head p { color: var(--muted); font-size: 1.05rem; }

/* nav: the links are knots on a thread, the way notes sit on the mark's lines.
   The header stays on night in both themes and ends in a woven selvedge. */
.site-nav {
  background: var(--night); color: var(--bone);
  border-bottom: 6px solid var(--madder);
  border-image: repeating-linear-gradient(90deg,
    var(--madder) 0 14px, var(--cream) 14px 18px, var(--teal) 18px 32px, var(--cream) 32px 36px,
    var(--saffron) 36px 50px, var(--cream) 50px 54px) 6;
}
.nav { display: flex; align-items: center; justify-content: space-between; gap: 20px; padding-block: 16px; flex-wrap: wrap; }
.brand { display: flex; align-items: center; gap: 12px; color: var(--bone); font-family: var(--display); font-weight: 700; font-size: 1.1rem; }
.brand img { width: 40px; height: 40px; }
.brand:hover { text-decoration: none; color: var(--cream); }
.nav-links { display: flex; align-items: center; flex-wrap: wrap; gap: 2px 0; position: relative; }
.nav-links a {
  position: relative; display: inline-flex; align-items: center; gap: 9px; padding: 6px 13px;
  font-family: var(--display); font-weight: 500; font-size: 0.76rem; letter-spacing: 0.13em;
  text-transform: uppercase; color: var(--bone); background: var(--night);
}
.nav-links a::before {
  content: ""; width: 7px; height: 7px; flex: none;
  border: 1.5px solid var(--cream); transform: rotate(45deg);
}
.nav-links a:hover, .nav-links a:focus-visible { text-decoration: none; color: var(--cream); }
.nav-links a:hover::before, .nav-links a[aria-current="page"]::before { background: var(--vermilion); border-color: var(--vermilion); }
.nav-links a[aria-current="page"] { color: var(--saffron); }
@media (min-width: 760px) {
  .nav-links::before { content: ""; position: absolute; left: 8px; right: 8px; top: 50%; height: 1px; background: #2E4256; }
  .nav-links a:first-child { padding-left: 0; }
  .nav-links a:last-child { padding-right: 0; }
}

/* hero: always on night, because the banner is the only wordmark */
.hero { background: var(--night); color: var(--bone); padding-block: 48px 72px; }
.hero .wrap { display: grid; gap: 28px; justify-items: center; text-align: center; }
.hero img { width: min(720px, 100%); }
.hero h1 {
  font-size: clamp(1.9rem, 1.2rem + 3vw, 3.2rem); font-weight: 800; max-width: 18ch;
  letter-spacing: -0.015em;
}
.hero .lede { color: #D9CDB8; font-size: 1.12rem; max-width: 56ch; }
.hero .eyebrow { color: var(--saffron); }
.cta { display: flex; gap: 14px; flex-wrap: wrap; justify-content: center; }
.btn {
  display: inline-flex; align-items: center; gap: 10px; padding: 13px 22px;
  font-family: var(--display); font-weight: 700; font-size: 1rem;
  clip-path: var(--stepped); border: 0; cursor: pointer; text-decoration: none;
}
.btn:hover, .btn:focus-visible { text-decoration: none; }
.btn-primary { background: var(--vermilion); color: var(--night); }
.btn-primary:hover { background: var(--orange); }
.btn-quiet { background: var(--cream); color: var(--night); }
.btn-quiet:hover { background: var(--marigold); }
.hero .install { margin-top: 8px; width: min(720px, 100%); }

/* install command block */
.cmd {
  display: grid; grid-template-columns: minmax(0, 1fr) auto; align-items: center; gap: 10px;
  background: var(--surface); color: var(--code-fg); clip-path: var(--stepped);
  padding: 14px 16px; font-family: var(--mono); font-size: 0.92rem; text-align: left;
}
.hero .cmd { background: var(--ink); color: var(--cream); }
.cmd code { overflow-x: auto; white-space: nowrap; display: block; min-width: 0; padding-block: 2px; }
.cmd button {
  font-family: var(--display); font-weight: 700; font-size: 0.82rem; letter-spacing: 0.04em;
  background: var(--teal); color: var(--bone); border: 0; padding: 8px 12px; cursor: pointer;
  clip-path: polygon(4px 0, calc(100% - 4px) 0, 100% 4px, 100% calc(100% - 4px), calc(100% - 4px) 100%, 4px 100%, 0 calc(100% - 4px), 0 4px);
}
.cmd button:hover { background: #0FB0AC; }
.cmd button[data-done="1"] { background: var(--saffron); color: var(--night); }

/* woven band between sections */
.band { height: 30px; width: 100%; display: block; }

/* the loop */
.loop { display: grid; grid-template-columns: repeat(auto-fit, minmax(230px, 1fr)); gap: 28px; }
.knot { display: grid; gap: 14px; align-content: start; }
.knot svg { width: 84px; height: 84px; }
.knot .motif-name { font-family: var(--mono); font-size: 0.8rem; color: var(--muted); }
.knot p { color: var(--muted); font-size: 0.98rem; }

/* six voices */
.voices { display: grid; grid-template-columns: repeat(auto-fit, minmax(290px, 1fr)); gap: 16px; }
.voice {
  background: var(--surface); clip-path: var(--stepped); padding: 22px 22px 24px;
  display: grid; grid-template-columns: 52px minmax(0, 1fr); gap: 16px; align-items: start;
}
.voice svg { width: 52px; height: 52px; }
.voice h3 { margin-bottom: 4px; }
.voice .book { font-size: 0.9rem; color: var(--muted); margin-bottom: 10px; font-style: italic; }
.voice p { font-size: 0.98rem; }
.note { margin-top: 28px; color: var(--muted); font-size: 0.98rem; }

/* yours */
.yours { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 28px; }
.yours h3 { margin-bottom: 8px; }
.yours p { color: var(--muted); font-size: 0.98rem; }
.yours .dot { width: 14px; height: 14px; background: var(--teal); margin-bottom: 14px; transform: rotate(45deg); }

/* two ways */
.ways { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 16px; }
.way { background: var(--surface); clip-path: var(--stepped); padding: 26px 24px 28px; display: grid; gap: 14px; align-content: start; }
.way .eyebrow { color: var(--accent); }
.way ul { margin: 0; padding-left: 1.1em; display: grid; gap: 6px; font-size: 0.98rem; }
.way li::marker { color: var(--saffron); }

/* writing: two series, kept apart */
.writing { display: grid; grid-template-columns: repeat(auto-fit, minmax(320px, 1fr)); gap: 40px; }
.series { display: grid; gap: 6px; align-content: start; }
.series-head { display: flex; align-items: baseline; justify-content: space-between; gap: 12px; margin-bottom: 12px; border-bottom: 2px solid var(--line); padding-bottom: 10px; }
.series-head .eyebrow { color: var(--accent); }
.series-head a { font-size: 0.9rem; }
.piece { display: grid; grid-template-columns: 7ch minmax(0, 1fr); gap: 14px; padding-block: 14px; border-bottom: 1px solid var(--line); color: var(--fg); }
.piece:hover { text-decoration: none; }
.piece:hover h3 { color: var(--accent); }
.piece time { font-family: var(--mono); font-size: 0.8rem; color: var(--muted); padding-top: 4px; }
.piece h3 { font-size: 1.15rem; margin-bottom: 4px; }
.piece p { color: var(--muted); font-size: 0.95rem; }
.piece .kind { font-family: var(--mono); font-size: 0.75rem; color: var(--saffron); margin-top: 6px; display: block; }

/* install */
.install-grid { display: grid; gap: 18px; }
.install-grid .label { font-family: var(--display); font-weight: 700; margin-bottom: 8px; }
.install-grid .hint { color: var(--muted); font-size: 0.92rem; margin-top: 8px; }

/* joke */
.aside { border-left: 4px solid var(--vermilion); padding-left: 20px; display: grid; gap: 10px; }
.aside p { color: var(--muted); }

/* what's new */
.page-head { padding-block: 40px 48px; display: grid; gap: 14px; }
.page-head h1 { font-size: clamp(1.9rem, 1.2rem + 3vw, 3rem); font-weight: 800; letter-spacing: -0.015em; }
.page-head .lede { color: var(--muted); font-size: 1.08rem; }
.follow { display: flex; gap: 12px; flex-wrap: wrap; margin-top: 8px; }
.follow a {
  display: inline-flex; align-items: center; gap: 8px; padding: 9px 14px; font-size: 0.92rem;
  font-family: var(--display); font-weight: 700; background: var(--surface); color: var(--fg); clip-path: var(--stepped);
}
.follow a:hover { background: var(--teal); color: var(--bone); text-decoration: none; }
.versions { display: flex; flex-wrap: wrap; gap: 8px; padding-block: 24px 8px; }
.versions a { font-family: var(--mono); font-size: 0.8rem; color: var(--muted); padding: 4px 8px; border: 1px solid var(--line); }
.versions a:hover { color: var(--accent); border-color: var(--accent); text-decoration: none; }
.releases { display: grid; gap: 0; padding-block: 24px 72px; }
.release { display: grid; grid-template-columns: 9ch minmax(0, 1fr); gap: 24px; padding-block: 36px; border-top: 1px solid var(--line); }
.release:first-child { border-top: 0; }
.release .meta { display: grid; gap: 6px; align-content: start; }
.release .version { font-family: var(--display); font-weight: 800; font-size: 1.35rem; color: var(--saffron); line-height: 1; }
.release .version.unreleased { color: var(--teal); font-size: 1rem; }
.release time, .release .when { font-family: var(--mono); font-size: 0.8rem; color: var(--muted); }
.release .body { display: grid; gap: 16px; min-width: 0; }
.release h2 { font-size: 1.45rem; font-weight: 700; }
.release ul { margin: 0; padding-left: 1.15em; display: grid; gap: 10px; }
.release li { color: var(--muted); font-size: 0.98rem; max-width: 70ch; }
.release li strong { color: var(--fg); font-weight: 600; }
.release li::marker { color: var(--saffron); }
.release p { color: var(--muted); }
.release p strong { color: var(--fg); font-weight: 600; }

/* footer */
footer { background: var(--night); color: var(--bone); padding-block: 56px 40px; }
footer .wrap { display: grid; gap: 28px; }
.foot-top { display: grid; grid-template-columns: minmax(0, 1.4fr) minmax(0, 1fr); gap: 32px; align-items: start; }
.foot-top p { color: #D9CDB8; font-size: 0.98rem; }
.foot-links { display: grid; gap: 8px; font-size: 0.98rem; }
.foot-links a { color: var(--bone); }
.foot-links a:hover { color: var(--saffron); text-decoration: none; }
.foot-bottom { display: flex; justify-content: space-between; gap: 16px; flex-wrap: wrap; font-size: 0.85rem; color: #9FA9B4; border-top: 1px solid #1E3346; padding-top: 20px; }
.foot-motifs { display: flex; gap: 14px; flex-wrap: wrap; }
.foot-motifs svg { width: 34px; height: 34px; }

@media (max-width: 640px) {
  section { padding-block: 56px; }
  .foot-top { grid-template-columns: 1fr; }
  .nav-links { gap: 14px; font-size: 0.9rem; }
  .voice { grid-template-columns: 44px minmax(0, 1fr); padding: 18px; }
  .voice svg { width: 44px; height: 44px; }
  .release { grid-template-columns: 1fr; gap: 10px; padding-block: 28px; }
  .release .meta { grid-auto-flow: column; justify-content: start; align-items: baseline; gap: 12px; }
}
@media (prefers-reduced-motion: no-preference) {
  .btn, .cmd button, .follow a { transition: background 120ms linear; }
}