/* BrushPush site: the game's dusk page (src/ui/palette.gd). */
:root {
  --page: #16101e;
  --page-top: #2e2042;
  --panel: #3a2c50;
  --panel-hi: #46365f;
  --cell: #261d34;
  --text: #e8ecf4;
  --muted: #9a90ae;
  --rose: #b9567f;
  --rose-rim: #8e3b5e;
  --star: #ffc531;
  --frame-line: #c3b1d9;
  --radius: 22px;
  color-scheme: dark;
}

* { box-sizing: border-box; }

html { background: var(--page); }

body {
  margin: 0;
  min-height: 100vh;
  background: linear-gradient(180deg, var(--page-top) 0%, var(--page) 70%) fixed;
  color: var(--text);
  font: 17px/1.6 "Noto Sans", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

/* The faint, askew board of tiles behind every page, as in the game's menus. */
.backdrop {
  position: fixed;
  inset: -40%;
  z-index: 0;
  pointer-events: none;
  display: grid;
  grid-template-columns: repeat(var(--cols, 14), 96px);
  grid-auto-rows: 96px;
  gap: 12px;
  justify-content: center;
  align-content: center;
  transform: rotate(-14deg);
  opacity: 0.12;
}

.backdrop i {
  border-radius: 20px;
  background: var(--face);
  box-shadow: inset 0 -9px 0 var(--rim);
  padding: 22px 22px 31px;
}

.backdrop svg { display: block; width: 100%; height: 100%; transform: rotate(var(--turn)); }

.backdrop i.empty { background: transparent; box-shadow: none; }

main, footer {
  position: relative;
  z-index: 1;
  max-width: 720px;
  margin: 0 auto;
  padding: 0 16px;
}

.hero {
  text-align: center;
  padding: 40px 0 8px;
}

.hero a { display: inline-block; }

.hero img {
  width: min(300px, 72vw);
  height: auto;
  display: block;
  margin: 0 auto;
}

.hero p {
  color: var(--muted);
  margin: 4px auto 0;
  max-width: 30em;
}

h1, h2, h3 { line-height: 1.25; font-weight: 800; }

h1 { font-size: 30px; margin: 32px 0 4px; text-align: center; }

h2 { font-size: 21px; margin: 0 0 10px; }

h3 { font-size: 17px; margin: 22px 0 6px; color: var(--frame-line); }

.lead { text-align: center; color: var(--muted); margin: 0 0 24px; }

.card {
  background: var(--panel);
  border-radius: var(--radius);
  padding: 24px;
  margin: 16px 0;
  box-shadow: inset 0 -6px 0 rgba(0, 0, 0, 0.18);
}

.card > :last-child { margin-bottom: 0; }

.card p { margin: 0 0 12px; }

a { color: var(--star); text-underline-offset: 3px; }

/* The main button: the strongest tile, rose with its rim and three chevrons. */
.button {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  background: var(--rose);
  color: #fff;
  font-weight: 800;
  font-size: 19px;
  text-decoration: none;
  padding: 14px 24px 18px;
  border-radius: 18px;
  box-shadow: inset 0 -6px 0 var(--rose-rim);
  transition: transform 80ms ease, box-shadow 80ms ease;
  max-width: 100%;
  overflow-wrap: anywhere;
}

.button::after {
  content: "";
  flex: none;
  width: 34px;
  height: 22px;
  background: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 34 22'%3E%3Cpath d='M3 3l8 8-8 8M13 3l8 8-8 8M23 3l8 8-8 8' fill='none' stroke='white' stroke-width='4.5' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E") center / contain no-repeat;
}

.button:active { transform: translateY(4px); box-shadow: inset 0 -2px 0 var(--rose-rim); }

.button:focus-visible, summary:focus-visible, a:focus-visible { outline: 3px solid var(--star); outline-offset: 3px; }

.contact { text-align: center; }

.contact .button { margin: 6px 0 14px; }

.small { font-size: 15px; color: var(--muted); }

/* The main menu's round "i" button, named in the text. */
.key {
  display: inline-grid;
  place-items: center;
  width: 1.45em;
  height: 1.45em;
  border-radius: 50%;
  background: var(--panel-hi);
  color: var(--text);
  font: 800 0.8em/1 Georgia, serif;
  font-style: italic;
  vertical-align: 0.1em;
}

/* FAQ: each question a dark cell that opens. */
details {
  background: var(--cell);
  border-radius: 16px;
  margin: 10px 0;
  padding: 0 18px;
}

summary {
  cursor: pointer;
  list-style: none;
  font-weight: 700;
  padding: 14px 28px 14px 0;
  position: relative;
}

summary::-webkit-details-marker { display: none; }

summary::after {
  content: "›";
  position: absolute;
  right: 4px;
  top: 50%;
  transform: translateY(-50%);
  font-size: 26px;
  color: var(--rose);
  transition: transform 150ms ease;
}

details[open] summary::after { transform: translateY(-50%) rotate(90deg); }

details > p, details > ul { margin: 0 0 14px; color: var(--text); }

ul { padding-left: 22px; margin: 0 0 12px; }

li { margin: 4px 0; }

.privacy .card p, .privacy .card li { color: var(--text); }

.privacy .updated { text-align: center; color: var(--muted); margin: 0 0 20px; }

.tldr { border: 2px solid var(--rose); }

.tldr li::marker { color: var(--star); }

footer {
  text-align: center;
  color: var(--muted);
  font-size: 15px;
  padding-top: 24px;
  padding-bottom: 40px;
}

footer nav { display: flex; justify-content: center; gap: 24px; margin-bottom: 8px; flex-wrap: wrap; }

footer a { color: var(--text); }

footer .langs { gap: 6px 18px; margin: 4px 0 14px; }

footer .langs a { color: var(--muted); text-decoration: none; }

footer .langs a[aria-current] { color: var(--star); font-weight: 700; }

:lang(hi) body, body:lang(hi) { font-family: "Noto Sans", "Noto Sans Devanagari", system-ui, sans-serif; }

:lang(zh-CN) body, body:lang(zh-CN) { font-family: "Noto Sans", "Noto Sans SC", system-ui, sans-serif; }

@media (max-width: 480px) {
  body { font-size: 16px; }
  .card { padding: 20px 18px; }
  h1 { font-size: 26px; }
}

@media (prefers-reduced-motion: reduce) {
  .button, summary::after { transition: none; }
}