:root {
  color-scheme: dark;
  /* Page: a deeper cut of the everforest palette imp ships with. */
  --bg: #171c1f;
  --bg-2: #1e2427;
  --surface: #232a2e;
  --editor: #2d353b;
  --editor-alt: #272e33;
  --line: #374247;
  --line-soft: #2b3337;
  --fg: #e6e0cf;
  --fg-editor: #d3c6aa;
  --muted: #a3ad9f;
  --dim: #7a8478;
  --green: #a7c080;
  --green-ink: #1d2412;
  --aqua: #83c092;
  --yellow: #dbbc7f;
  --blue: #7fbbb3;
  --purple: #d699b6;
  --orange: #e69875;
  --sel: #4c3743;

  --sans: "Geist", ui-sans-serif, system-ui, -apple-system, "Segoe UI", sans-serif;
  --mono: "Geist Mono", ui-monospace, "SF Mono", Menlo, Consolas, monospace;
  --radius: 14px;
  --gutter: clamp(16px, 4vw, 40px);
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }

body {
  margin: 0;
  background: var(--bg);
  color: var(--fg);
  font: 400 17px/1.6 var(--sans);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

::selection { background: var(--green); color: var(--green-ink); }
a { color: var(--green); text-underline-offset: 3px; text-decoration-thickness: 1px; }
a:hover { color: #c3d89f; }
:focus-visible { outline: 2px solid var(--yellow); outline-offset: 3px; border-radius: 6px; }
img { max-width: 100%; height: auto; display: block; }

code, kbd, pre { font-family: var(--mono); }
code { font-size: .88em; color: var(--yellow); }
kbd {
  display: inline-block;
  font-size: .78em;
  line-height: 1.5;
  padding: 0 .45em;
  border: 1px solid var(--line);
  border-bottom-width: 2px;
  border-radius: 6px;
  background: var(--surface);
  color: var(--fg);
  white-space: nowrap;
}

.wrap { width: min(1120px, 100% - 2 * var(--gutter)); margin-inline: auto; }
.wrap-wide { width: min(1280px, 100% - 2 * var(--gutter)); }

.skip { position: absolute; left: -9999px; }
.skip:focus { left: 16px; top: 16px; z-index: 100; background: var(--surface); padding: 8px 12px; }

/* Nav */
.nav {
  position: sticky; top: 0; z-index: 50;
  background: color-mix(in srgb, var(--bg) 86%, transparent);
  backdrop-filter: saturate(140%) blur(10px);
  -webkit-backdrop-filter: saturate(140%) blur(10px);
  border-bottom: 1px solid var(--line-soft);
}
.nav-inner { display: flex; align-items: center; gap: 24px; height: 64px; }
.brand {
  font: 600 22px/1 var(--mono);
  letter-spacing: -0.02em;
  color: var(--fg);
  text-decoration: none;
  display: inline-flex; align-items: center;
}
.brand:hover { color: var(--fg); }
.brand-cursor {
  display: inline-block; width: .55em; height: 1.05em; margin-left: 3px;
  background: var(--green); border-radius: 2px;
  animation: blink 1.1s steps(1) infinite;
}
.brand-small { font-size: 18px; }
@keyframes blink { 50% { opacity: 0; } }
@media (prefers-reduced-motion: reduce) { .brand-cursor { animation: none; } }

.nav nav { margin-left: auto; }
.nav-links { display: flex; gap: 28px; list-style: none; margin: 0; padding: 0; }
.nav-links a { color: var(--muted); text-decoration: none; font-size: 15px; font-weight: 500; }
.nav-links a:hover, .nav-links a[aria-current] { color: var(--fg); }

/* Buttons */
.btn {
  display: inline-flex; align-items: center; justify-content: center;
  min-height: 48px; padding: 0 22px;
  background: var(--green); color: var(--green-ink);
  font: 600 16px/1 var(--sans);
  border-radius: 999px; border: 1px solid transparent;
  text-decoration: none;
  transition: transform .15s ease-out, background-color .15s ease-out;
}
.btn:hover { background: #b9d093; color: var(--green-ink); transform: translateY(-1px); }
.btn:active { transform: translateY(0); }
.btn-ghost { background: transparent; color: var(--fg); border-color: var(--line); }
.btn-ghost:hover { background: var(--surface); color: var(--fg); }
.btn-small { min-height: 38px; padding: 0 16px; font-size: 14px; }

/* Hero */
.hero { padding: clamp(48px, 6vw, 80px) 0 clamp(56px, 8vw, 96px); position: relative; }
.hero::before {
  content: ""; position: absolute; inset: 0 0 auto 0; height: 720px; pointer-events: none;
  background: radial-gradient(60% 55% at 50% 0%, rgba(167, 192, 128, .13), transparent 70%);
}
.hero .wrap { position: relative; }
.kicker {
  display: inline-flex; align-items: center; gap: 10px;
  margin: 0 0 24px; padding: 6px 14px 6px 12px;
  border: 1px solid var(--line); border-radius: 999px;
  color: var(--muted); font-size: 14px; font-weight: 500;
}
.dot { width: 8px; height: 8px; border-radius: 50%; background: var(--green); box-shadow: 0 0 0 4px rgba(167,192,128,.18); }
h1 {
  margin: 0;
  font-size: clamp(40px, 6.2vw, 80px);
  line-height: 1.03;
  letter-spacing: -0.04em;
  font-weight: 650;
  max-width: 15ch;
  text-wrap: balance;
}
h1 em { font-style: normal; color: var(--green); }
.lede {
  margin: 24px 0 0;
  max-width: 40em;
  font-size: clamp(18px, 2vw, 21px);
  line-height: 1.55;
  color: var(--muted);
}
.cta-row { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 36px; }
.cta-center { justify-content: center; }

/* Demo editor */
.demo { margin: clamp(40px, 5vw, 64px) 0 0; }
.demo-window {
  --cell: clamp(11.5px, 1.18vw, 15px);
  position: relative;
  display: grid;
  grid-template-columns: 1.15fr auto 1fr;
  height: clamp(380px, 40vw, 500px);
  padding: 22px 26px;
  background: var(--editor);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: 0 40px 80px -30px rgba(0,0,0,.65), 0 2px 0 rgba(255,255,255,.03) inset;
  font: 400 var(--cell)/1.75 var(--mono);
  color: var(--fg-editor);
  overflow: hidden;
}
.pane { display: flex; flex-direction: column; min-width: 0; min-height: 0; }
.divider { width: 28px; position: relative; }
.divider::after { content: ""; position: absolute; inset: 0 auto 0 50%; width: 1px; background: var(--line); }
.code { list-style: none; margin: 0; padding: 0; flex: 1; overflow: hidden; white-space: pre; }
.code li { display: flex; min-height: 1.75em; }
.code .ln { flex: none; width: 3.2ch; text-align: right; padding-right: 1.4ch; color: var(--dim); user-select: none; }
.code li.cur .ln { color: var(--yellow); }
.code li.cur { background: transparent; }
.pane.active .code li.cur { background: #343f44; }
.code .tx { min-width: 0; overflow: hidden; text-overflow: clip; }
.tilde { color: var(--dim); }
.status {
  display: flex; align-items: center; gap: 1.2ch;
  height: 1.9em; background: #232a2e; color: var(--muted);
  white-space: nowrap; overflow: hidden;
}
.status .mode { padding: 0 1ch; height: 100%; display: inline-flex; align-items: center; font-weight: 600; color: var(--editor); background: var(--green); }
.status .mode.insert { background: var(--blue); }
.status .file { color: var(--fg-editor); font-weight: 600; }
.pane:not(.active) .status .file { color: var(--muted); font-weight: 400; }
.status .right { margin-left: auto; padding-right: 1ch; }
.status .mod { color: var(--muted); }

/* Highlighting */
.t-c { color: #859289; font-style: italic; }
.t-s { color: var(--green); }
.t-q { color: var(--purple); }
.t-f { color: var(--aqua); }
.t-b { color: var(--purple); }
.t-h { color: var(--orange); font-weight: 600; }
.t-p { color: #9da9a0; }
.t-new { color: var(--yellow); background: rgba(219,188,127,.12); border-radius: 3px; }

.cursor { background: var(--fg-editor); color: var(--editor); }
.cursor.bar { background: none; color: inherit; box-shadow: -2px 0 0 var(--fg-editor); }
.pane:not(.active) .cursor { background: none; color: inherit; outline: 1px solid var(--dim); }

.leader {
  position: absolute; left: 26px; right: 26px; bottom: calc(22px + 1.9em);
  background: #232a2e; border-top: 1px solid var(--line);
  padding: .5em 1.2ch .7em;
  display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 0 2ch;
}
.leader[hidden] { display: none; }
.leader .lh { grid-column: 1 / -1; color: var(--aqua); margin-bottom: .2em; }
.leader .lk { color: var(--purple); }
.leader .ld { color: var(--aqua); }
.leader .hit { background: var(--sel); border-radius: 3px; }

.keys {
  position: absolute; right: 22px; top: 18px;
  display: flex; gap: 6px; pointer-events: none;
}
.keys span {
  font: 600 13px/1 var(--mono);
  padding: 8px 10px; border-radius: 8px;
  background: rgba(23,28,31,.9); color: var(--fg);
  border: 1px solid var(--line); border-bottom-width: 3px;
  animation: keyin .18s ease-out;
}
@keyframes keyin { from { transform: translateY(-6px); opacity: 0; } }

.demo-caption {
  display: flex; align-items: center; justify-content: space-between; gap: 16px;
  margin-top: 18px; flex-wrap: wrap;
}
.steps { display: flex; flex-wrap: wrap; gap: 8px 28px; list-style: none; margin: 0; padding: 0; color: var(--dim); font-size: 15px; }
.steps li { display: flex; align-items: center; gap: 10px; transition: color .25s; }
.steps li.on { color: var(--fg); }
.steps li.done { color: var(--muted); }
.step-n {
  display: inline-grid; place-items: center; width: 24px; height: 24px; border-radius: 50%;
  border: 1px solid var(--line); font: 600 12px/1 var(--mono); color: var(--muted);
}
.steps li.on .step-n { background: var(--green); border-color: var(--green); color: var(--green-ink); }
.steps li.done .step-n { border-color: var(--green); color: var(--green); }
.replay {
  font: 500 14px/1 var(--sans); color: var(--muted);
  background: none; border: 1px solid var(--line); border-radius: 999px;
  padding: 9px 16px; cursor: pointer;
}
.replay:hover { color: var(--fg); background: var(--surface); }
.demo-note { margin: 18px 0 0; color: var(--dim); font-size: 15px; }

/* Sections */
.section { padding: clamp(72px, 10vw, 128px) 0; border-top: 1px solid var(--line-soft); }
h2 {
  margin: 0; font-size: clamp(32px, 4.6vw, 54px); line-height: 1.08;
  letter-spacing: -0.035em; font-weight: 650; max-width: 20ch; text-wrap: balance;
}
h3 { margin: 0 0 10px; font-size: 19px; letter-spacing: -0.01em; font-weight: 600; }
.section-lede { margin: 20px 0 0; max-width: 38em; color: var(--muted); font-size: 19px; }

/* Habits */
.habit-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1px; margin-top: 56px; background: var(--line-soft); border: 1px solid var(--line-soft); border-radius: var(--radius); overflow: hidden; }
.habit { background: var(--bg); padding: 32px 28px 30px; }
.habit p { margin: 0; color: var(--muted); font-size: 16px; }
.habit-keys { margin-top: 20px !important; display: flex; flex-wrap: wrap; gap: 6px; }
.habit-keys kbd { font-size: 13px; color: var(--green); }

/* Tour */
.tour { background: linear-gradient(var(--bg), var(--bg-2)); }
.tour-shell { margin-top: 48px; }
.tabs { display: flex; flex-wrap: wrap; gap: 6px; padding: 6px; background: var(--surface); border: 1px solid var(--line-soft); border-radius: 999px; width: fit-content; max-width: 100%; }
.tabs button {
  font: 500 15px/1 var(--sans); color: var(--muted);
  background: none; border: 0; border-radius: 999px;
  padding: 11px 18px; cursor: pointer; white-space: nowrap;
}
.tabs button:hover { color: var(--fg); }
.tabs button[aria-selected="true"] { background: var(--fg); color: var(--bg); }
.panel { display: grid; grid-template-columns: minmax(0, 320px) minmax(0, 1fr); gap: clamp(24px, 4vw, 56px); align-items: start; margin-top: 32px; }
.panel[hidden] { display: none; }
.panel-text { padding-top: 12px; }
.panel-text h3 { font-size: 24px; letter-spacing: -0.02em; }
.panel-text p { color: var(--muted); margin: 0; }
.panel img {
  width: 100%; border-radius: var(--radius); border: 1px solid var(--line);
  background: var(--editor);
  /* While it loads, an editor-coloured box rather than the alt text. */
  color: transparent;
  box-shadow: 0 30px 60px -30px rgba(0,0,0,.7);
  animation: fadein .3s ease-out;
}
@keyframes fadein { from { opacity: 0; transform: translateY(6px); } }
@media (prefers-reduced-motion: reduce) { .panel img, .keys span { animation: none; } }

/* Scheme */
.scheme-grid { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1.05fr); gap: clamp(32px, 5vw, 72px); align-items: center; }
.checks { list-style: none; margin: 36px 0 0; padding: 0; display: grid; gap: 18px; }
.checks li { position: relative; padding-left: 30px; color: var(--muted); }
.checks li::before {
  content: ""; position: absolute; left: 2px; top: .5em; width: 12px; height: 7px;
  border-left: 2px solid var(--green); border-bottom: 2px solid var(--green); transform: rotate(-45deg);
}
.checks strong { color: var(--fg); font-weight: 600; }
.code-card { background: var(--editor); border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; box-shadow: 0 30px 60px -30px rgba(0,0,0,.7); }
.code-card-head { padding: 12px 18px; border-bottom: 1px solid var(--line); font: 500 13px/1 var(--mono); color: var(--dim); }
.code-card pre { margin: 0; padding: 20px 22px 24px; overflow-x: auto; font-size: 14px; line-height: 1.7; color: var(--fg-editor); }
.code-card code { color: inherit; font-size: inherit; }
.code-card .c { color: #859289; font-style: italic; }
.code-card .f { color: var(--aqua); }
.code-card .q { color: var(--purple); }
.code-card .s { color: var(--green); }
.code-card .b { color: var(--purple); }

/* Built in */
.built-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 48px 40px; margin-top: 56px; }
.built-grid article { border-top: 1px solid var(--line); padding-top: 22px; }
.built-grid p { margin: 0; color: var(--muted); font-size: 16px; }

/* Install */
.install { background: var(--bg-2); }
.install-grid > *, .scheme-grid > *, .panel > * { min-width: 0; }
.install-grid { display: grid; grid-template-columns: minmax(0, .9fr) minmax(0, 1.1fr); gap: clamp(32px, 5vw, 72px); align-items: start; }
.alpha { margin: 28px 0 0; padding: 16px 18px; border: 1px solid var(--line); border-radius: 12px; color: var(--muted); font-size: 15px; max-width: 32em; }
.alpha strong { color: var(--yellow); }
.install-card { background: var(--bg); border: 1px solid var(--line); border-radius: var(--radius); padding: 18px; }
.tabs-small { border-radius: 12px; width: 100%; }
.tabs-small button { border-radius: 8px; padding: 10px 14px; font-size: 14px; flex: 1; }
.ipanel { padding: 18px 6px 4px; }
.ipanel[hidden] { display: none; }
.ipanel > p { margin: 0 0 14px; color: var(--muted); font-size: 15px; }
.ipanel .fine { margin: 14px 0 0; font-size: 14px; color: var(--dim); }
.cmd { position: relative; background: var(--editor); border: 1px solid var(--line); border-radius: 10px; }
.cmd pre { margin: 0; padding: 16px 84px 16px 18px; overflow-x: auto; font-size: 14px; line-height: 1.7; }
.cmd code { color: var(--fg-editor); font-size: inherit; }
.copy {
  position: absolute; top: 10px; right: 10px;
  font: 500 13px/1 var(--sans); color: var(--fg);
  background: var(--surface); border: 1px solid var(--line); border-radius: 8px;
  padding: 8px 12px; cursor: pointer;
}
.copy:hover { background: var(--line); }
.copy.ok { color: var(--green); border-color: var(--green); }

/* Close */
.close { padding: clamp(88px, 12vw, 152px) 0; text-align: center; border-top: 1px solid var(--line-soft);
  background: radial-gradient(50% 60% at 50% 100%, rgba(167,192,128,.12), transparent 70%); }
.close h2 { margin-inline: auto; max-width: 22ch; }
.close .cta-row { margin-top: 40px; }

/* Footer */
.footer { border-top: 1px solid var(--line-soft); padding: 36px 0 48px; color: var(--dim); font-size: 14px; }
.footer-inner { display: flex; align-items: center; gap: 24px; flex-wrap: wrap; }
.footer p { margin: 0; }
.footer a { color: var(--muted); }
.footer ul { display: flex; gap: 20px; list-style: none; margin: 0 0 0 auto; padding: 0; }

/* Docs (site/docs/, built by tools/site-docs.py) */
.docs-layout {
  display: grid; grid-template-columns: 240px minmax(0, 1fr); gap: 56px;
  padding: 40px 0 72px; align-items: start;
}
.docs-main { grid-column: 2; grid-row: 1; min-width: 0; }
.docs-nav {
  grid-column: 1; grid-row: 1;
  position: sticky; top: 88px; max-height: calc(100vh - 112px); overflow-y: auto;
  font-size: 14px; padding-right: 8px;
}
.docs-nav-head {
  margin: 20px 0 6px; color: var(--dim);
  font: 600 12px/1.4 var(--mono); text-transform: uppercase; letter-spacing: .06em;
}
.docs-nav-head:first-child { margin-top: 0; }
.docs-nav ul { list-style: none; margin: 0; padding: 0; }
.docs-nav a {
  display: block; padding: 4px 10px; border-radius: 8px;
  color: var(--muted); text-decoration: none;
}
.docs-nav a:hover { color: var(--fg); background: var(--bg-2); }
.docs-nav a[aria-current="page"] { color: var(--fg); background: var(--surface); }
.docs-jump { display: none; }

.prose { max-width: 74ch; }
.prose h1 { font-size: clamp(32px, 4vw, 42px); line-height: 1.15; letter-spacing: -0.02em; margin: 0 0 16px; }
.prose h1, .prose h2, .prose h3 { max-width: none; text-wrap: wrap; }
.prose h2 { font-size: 24px; letter-spacing: -0.01em; margin: 44px 0 12px; padding-top: 8px; }
.prose h3 { font-size: 18px; margin: 28px 0 8px; }
.prose .lede { font-size: 19px; color: var(--muted); margin: 0 0 28px; }
.prose li { margin: 6px 0; }
.prose li > ul { margin-top: 6px; }
.prose strong { color: var(--fg); }
.prose pre {
  background: var(--editor); border: 1px solid var(--line-soft); border-radius: 10px;
  padding: 14px 16px; overflow-x: auto; font-size: 14px; line-height: 1.55;
}
.prose pre code { color: var(--fg-editor); font-size: inherit; }
.prose table { border-collapse: collapse; margin: 16px 0; font-size: 15px; display: block; overflow-x: auto; }
.prose th, .prose td { border: 1px solid var(--line); padding: 6px 12px; text-align: left; vertical-align: top; }
.prose th { background: var(--bg-2); }

.notice {
  margin: 0 0 28px; padding: 14px 18px;
  background: color-mix(in srgb, var(--yellow) 8%, var(--bg));
  border: 1px solid color-mix(in srgb, var(--yellow) 35%, transparent);
  border-left-width: 4px; border-radius: 10px; font-size: 15px;
}
.notice-head { margin: 0 0 4px; color: var(--yellow); font-weight: 600; }
.notice ul { margin: 0; padding-left: 20px; }
.notice li { margin: 4px 0; }

/* Narrow */
@media (max-width: 900px) {
  .habit-grid, .built-grid { grid-template-columns: minmax(0, 1fr); }
  .built-grid { gap: 32px; }
  .panel, .scheme-grid, .install-grid { grid-template-columns: minmax(0, 1fr); }
  .panel-text { padding-top: 0; }
  .docs-layout { grid-template-columns: minmax(0, 1fr); gap: 40px; padding-top: 24px; }
  .docs-main, .docs-nav { grid-column: 1; }
  .docs-nav { grid-row: 2; position: static; max-height: none; border-top: 1px solid var(--line-soft); padding-top: 24px; }
  .docs-jump { display: inline-block; margin-bottom: 16px; font-size: 14px; }
}
@media (max-width: 720px) {
  body { font-size: 16px; }
  /* The home page's own sections go; Docs and GitHub stay. */
  .nav-links li:not(:last-child):not(.nav-docs) { display: none; }
  .nav-links { gap: 16px; }
  .nav .btn-small { display: none; }
  .demo-window {
    --cell: 11.5px;
    grid-template-columns: 1fr;
    grid-template-rows: 1fr auto 1fr;
    height: 560px; padding: 14px 12px;
  }
  .divider { width: auto; height: 14px; }
  .divider::after { display: none; }
  .leader { left: 12px; right: 12px; bottom: calc(14px + 1.9em); grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .keys { right: 12px; top: 10px; }
  .tabs { border-radius: 16px; }
  .tabs button { padding: 10px 14px; font-size: 14px; }
  .footer ul { margin-left: 0; }
  .tabs-small { flex-wrap: nowrap; }
  .tabs-small button { padding: 10px 6px; font-size: 13px; }
}