:root {
  --wood-deep: #3a2a1c;
  --wood: #5a4230;
  --oak: #c99a68;
  --board-1: #ecd7ac;
  --board-2: #dcc08c;
  --page-1: #f5ecda;
  --page-2: #efe2c9;
  --tile: #fbf7ee;
  --tile-edge: #e4d9c1;
  --ink: #3a2a1c;
  --muted: #725d49;
  --muted-2: #88725b;
  --sage: #8fae82;
  --sage-d: #607e58;
  --sky: #7ea9c8;
  --sky-d: #527b99;
  --amber: #e6b45c;
  --amber-d: #bc8122;
  --clay: #d18a63;
  --clay-d: #a95f3a;
  --plum: #ac86ab;
  --plum-d: #7c5979;
  --card: #fbf6ea;
  --line: rgba(58, 42, 28, .14);
  --radius: 20px;
  --radius-lg: 28px;
  --shadow: 0 16px 34px -18px rgba(58, 30, 10, .4);
  --shadow-soft: 0 10px 24px -14px rgba(58, 30, 10, .35);
  --f-display: "Baloo 2", system-ui, sans-serif;
  --f-body: Nunito, system-ui, sans-serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--ink);
  font-family: var(--f-body);
  background:
    radial-gradient(900px 500px at 85% -10%, rgba(230, 180, 92, .22), transparent 60%),
    radial-gradient(760px 460px at 5% 4%, rgba(143, 174, 130, .16), transparent 55%),
    linear-gradient(180deg, var(--page-1), var(--page-2));
  min-height: 100vh;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}
body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  opacity: .35;
  background-image: repeating-linear-gradient(93deg, rgba(120, 85, 50, .05) 0 2px, transparent 2px 26px);
}
a { color: inherit; }
button, input { font: inherit; }
button { color: inherit; }
.wrap { width: min(1180px, calc(100% - 44px)); margin: 0 auto; position: relative; z-index: 1; }
.narrow { width: min(850px, calc(100% - 44px)); margin: 0 auto; position: relative; z-index: 1; }

header { position: sticky; top: 0; z-index: 50; padding: 14px 0; }
header::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background: linear-gradient(180deg, rgba(245, 236, 218, .94), rgba(245, 236, 218, 0));
  backdrop-filter: blur(6px);
}
.nav {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 9px 12px 9px 16px;
  border: 1px solid var(--line);
  border-radius: 18px;
  background: rgba(251, 247, 238, .9);
  box-shadow: var(--shadow-soft);
}
.logo { display: flex; align-items: center; gap: 11px; text-decoration: none; font-family: var(--f-display); font-weight: 800; }
.logo-glyph {
  display: grid;
  grid-template: 1fr 1fr / 1fr 1fr;
  gap: 4px;
  width: 40px;
  height: 40px;
  padding: 8px;
  flex: none;
  border-radius: 12px;
  background: linear-gradient(160deg, #a9784e, #7c5432);
  box-shadow: inset 0 2px 0 rgba(255, 255, 255, .28), var(--shadow-soft);
}
.logo-glyph i { border-radius: 4px; }
.logo-glyph i:nth-child(1) { background: var(--sage); }
.logo-glyph i:nth-child(2) { background: var(--amber); }
.logo-glyph i:nth-child(3) { background: var(--sky); }
.logo-glyph i:nth-child(4) { background: var(--clay); }
.logo-text { display: flex; flex-direction: column; line-height: 1; }
.logo-text b { font-size: 19px; letter-spacing: .2px; color: var(--wood-deep); }
.logo-text span { margin-top: 3px; color: var(--clay-d); font-family: var(--f-body); font-size: 9.5px; font-weight: 800; letter-spacing: 3px; }
.nav-links { display: flex; align-items: center; gap: 6px; margin-left: auto; }
.nav-links a { padding: 9px 12px; border-radius: 10px; color: var(--muted); text-decoration: none; font-size: 14px; font-weight: 800; }
.nav-links a:hover { background: rgba(143, 174, 130, .14); color: var(--wood-deep); }
.nav-search { display: flex; align-items: center; padding: 3px; border: 1px solid var(--line); border-radius: 12px; background: #fff; }
.nav-search input { width: 86px; padding: 7px 9px; border: 0; outline: 0; background: transparent; color: var(--ink); }
.nav-search button, .search-box button {
  border: 0;
  border-radius: 10px;
  background: linear-gradient(160deg, var(--amber), var(--amber-d));
  box-shadow: inset 0 2px 0 rgba(255, 255, 255, .28);
  cursor: pointer;
  font-weight: 900;
}
.nav-search button { padding: 8px 13px; }
.current-level { margin-left: 4px; padding: 9px 13px; border: 1px solid var(--line); border-radius: 11px; background: #fff; color: var(--muted); font-size: 13px; font-weight: 900; }
.burger { display: none; margin-left: auto; padding: 8px 11px; border: 1px solid var(--line); border-radius: 11px; background: #fff; cursor: pointer; }

.breadcrumbs { padding: 24px 0 0; color: var(--muted); font-size: 13px; font-weight: 800; }
.breadcrumbs a { color: var(--clay-d); text-decoration: none; }
.breadcrumbs span { padding: 0 7px; color: var(--muted-2); }
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--clay-d);
  font-size: 12px;
  font-weight: 900;
  letter-spacing: 2.5px;
  text-transform: uppercase;
}
.eyebrow::before { content: ""; width: 22px; height: 9px; border-radius: 4px; background: linear-gradient(90deg, var(--sage), var(--amber)); }
h1, h2, h3, h4 { color: var(--wood-deep); font-family: var(--f-display); line-height: 1.08; }
h1 { margin: 14px 0 13px; font-size: clamp(38px, 5.1vw, 64px); font-weight: 800; letter-spacing: -.8px; }
h2 { margin: 8px 0 12px; font-size: clamp(29px, 3.5vw, 41px); font-weight: 800; }
h3 { margin: 0 0 8px; font-size: 22px; }
p { line-height: 1.65; }
.lede { max-width: 760px; margin: 0; color: var(--muted); font-size: 18px; font-weight: 650; }
.muted { color: var(--muted); }
.small { font-size: 13px; }
.section { padding: 48px 0 0; }
.surface { border: 1px solid var(--line); border-radius: var(--radius-lg); background: rgba(255, 255, 255, .58); box-shadow: var(--shadow-soft); }

.home-hero { display: grid; grid-template-columns: 1.05fr .8fr; gap: 50px; align-items: center; padding: 60px 0 30px; }
.trust { display: inline-flex; align-items: center; gap: 7px; padding: 7px 11px; border: 1px solid var(--line); border-radius: 999px; background: rgba(255, 255, 255, .65); color: var(--muted); font-size: 12px; font-weight: 900; }
.perks { display: flex; flex-wrap: wrap; gap: 8px; margin: 22px 0; }
.perk { padding: 7px 10px; border: 1px solid var(--line); border-radius: 9px; background: rgba(255, 255, 255, .72); color: var(--muted); font-size: 12px; font-weight: 900; }
.search-label { display: block; margin: 24px 0 8px; color: var(--muted); font-size: 11px; font-weight: 900; letter-spacing: 1.5px; text-transform: uppercase; }
.search-box { display: flex; gap: 8px; max-width: 500px; }
.search-box input { width: 100%; min-width: 0; padding: 15px 16px; border: 1px solid var(--line); border-radius: 13px; background: #fff; outline: 0; }
.search-box button { padding: 0 22px; }
.board-shell { position: relative; padding: 20px; border: 12px solid var(--oak); border-radius: 30px; background: linear-gradient(145deg, var(--board-1), var(--board-2)); box-shadow: var(--shadow); transform: rotate(-1.4deg); }
.board-label { display: flex; justify-content: space-between; margin-bottom: 13px; color: var(--wood); font-size: 12px; font-weight: 900; letter-spacing: 1px; }
.board-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 8px; }
.word-tile { display: grid; min-height: 40px; place-items: center; padding: 7px 4px; border: 1px solid var(--tile-edge); border-radius: 9px; background: var(--tile); box-shadow: 0 2px 0 rgba(120, 85, 50, .16); font-size: 11px; font-weight: 900; text-align: center; }
.word-tile.sage { outline: 3px solid rgba(143, 174, 130, .72); }
.word-tile.sky { outline: 3px solid rgba(126, 169, 200, .68); }

.level-hero { padding: 42px 0 6px; }
.level-meta { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 20px; }
.meta-pill { padding: 8px 11px; border: 1px solid var(--line); border-radius: 999px; background: rgba(255, 255, 255, .68); color: var(--muted); font-size: 12px; font-weight: 900; }
.version-box { margin-top: 30px; padding: 24px; }
.version-box h2 { font-size: 28px; }
.version-tabs { display: flex; flex-wrap: wrap; gap: 10px; margin: 18px 0 15px; }
.version-tab { padding: 11px 16px; border: 1px solid var(--line); border-radius: 12px; background: #fff; cursor: pointer; font-weight: 900; }
.version-tab[aria-selected="true"] { border-color: var(--sage-d); background: var(--sage-d); color: #fff; box-shadow: var(--shadow-soft); }
.fingerprint { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.fingerprint-card { padding: 17px; border: 1px solid var(--line); border-radius: 16px; background: rgba(251, 247, 238, .85); }
.fingerprint-card b { display: block; margin-bottom: 7px; font-family: var(--f-display); font-size: 18px; }
.fingerprint-card code { color: var(--clay-d); font-family: var(--f-body); font-size: 14px; font-weight: 900; }

.answer-panel[hidden] { display: none; }
.answer-intro { display: flex; gap: 12px; align-items: flex-start; margin: 16px 0 20px; padding: 16px 18px; border: 1px dashed rgba(96, 126, 88, .45); border-radius: 16px; background: rgba(143, 174, 130, .12); }
.answer-intro .ico { display: grid; width: 40px; height: 40px; flex: none; place-items: center; border-radius: 12px; background: var(--sage); }
.answer-intro p { margin: 0; color: var(--muted); font-size: 14px; font-weight: 700; }
.answer-stage { margin-top: 24px; }
.answer-stage > h3 { display: flex; align-items: center; gap: 9px; }
.step-number { display: grid; width: 30px; height: 30px; place-items: center; border-radius: 10px; background: var(--wood-deep); color: #fff; font-family: var(--f-body); font-size: 13px; }
.group-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 14px; }
.group-card { padding: 17px; border: 1px solid var(--line); border-radius: 18px; background: rgba(255, 255, 255, .66); box-shadow: var(--shadow-soft); }
.group-result { display: flex; align-items: center; gap: 9px; margin-bottom: 12px; font-family: var(--f-display); font-size: 20px; font-weight: 800; }
.result-dot { width: 12px; height: 12px; flex: none; border-radius: 4px; background: var(--sage); }
.group-card:nth-child(3n+2) .result-dot { background: var(--sky); }
.group-card:nth-child(3n) .result-dot { background: var(--amber); }
.tile-row { display: flex; flex-wrap: wrap; gap: 7px; }
.mini-tile { padding: 7px 9px; border: 1px solid var(--tile-edge); border-radius: 8px; background: var(--tile); color: var(--wood); font-size: 12px; font-weight: 900; }
.mini-tile.generated { border-color: var(--sage-d); background: rgba(143, 174, 130, .19); color: #486442; }
.arrow-note { margin: 8px 0 0; color: var(--muted-2); font-size: 12px; font-weight: 800; }

.video-card { display: grid; grid-template-columns: minmax(0, 1.45fr) minmax(250px, .65fr); gap: 22px; padding: 22px; }
.video-frame { overflow: hidden; border: 10px solid var(--oak); border-radius: 23px; background: var(--wood-deep); box-shadow: var(--shadow); aspect-ratio: 16 / 9; }
.video-frame iframe { width: 100%; height: 100%; border: 0; }
.video-copy { align-self: center; }
.video-copy p { color: var(--muted); font-weight: 650; }
.source-link { display: inline-flex; padding: 10px 13px; border: 1px solid var(--line); border-radius: 11px; background: #fff; color: var(--clay-d); font-weight: 900; text-decoration: none; }

.notice { display: flex; gap: 14px; padding: 20px; }
.notice-icon { display: grid; width: 44px; height: 44px; flex: none; place-items: center; border-radius: 14px; background: linear-gradient(160deg, var(--sky), var(--sky-d)); font-size: 20px; }
.notice p { margin: 3px 0 0; color: var(--muted); font-weight: 650; }
.section-intro { max-width: 760px; margin: 0 0 20px; color: var(--muted); font-weight: 650; }
.method-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; }
.method-card { position: relative; overflow: hidden; padding: 24px; }
.method-card::after { content: ""; position: absolute; right: -24px; bottom: -30px; width: 100px; height: 100px; border-radius: 30px; background: rgba(143, 174, 130, .10); transform: rotate(18deg); }
.method-card:nth-child(2)::after { background: rgba(126, 169, 200, .11); }
.method-card:nth-child(3)::after { background: rgba(229, 178, 84, .12); }
.method-number { display: inline-grid; width: 38px; height: 38px; margin-bottom: 17px; place-items: center; border-radius: 12px; background: var(--sage); color: var(--wood-deep); font-size: 12px; font-weight: 900; }
.method-card:nth-child(2) .method-number { background: var(--sky); }
.method-card:nth-child(3) .method-number { background: var(--amber); }
.method-card p { position: relative; z-index: 1; margin: 0; color: var(--muted); font-size: 14px; font-weight: 650; }
.about-home { display: grid; grid-template-columns: 1.35fr .65fr; gap: 42px; align-items: center; padding: 30px; background: linear-gradient(135deg, rgba(255,255,255,.67), rgba(228,217,195,.42)); }
.about-home h2 { margin-bottom: 10px; }
.about-home p { margin: 8px 0 0; color: var(--muted); font-weight: 650; }
.official-links { display: grid; gap: 10px; }
.store-link { display: flex; flex-direction: column; padding: 14px 17px; border: 1px solid rgba(255,255,255,.15); border-radius: 14px; background: var(--wood-deep); box-shadow: var(--shadow-soft); color: #fff; text-decoration: none; }
.store-link span { color: rgba(255,255,255,.72); font-size: 10px; font-weight: 800; letter-spacing: .4px; }
.store-link b { margin-top: 2px; font-family: var(--f-display); font-size: 20px; }
.store-link:hover { transform: translateY(-1px); }
.faq { display: grid; gap: 10px; }
.faq details { padding: 17px 19px; border: 1px solid var(--line); border-radius: 15px; background: rgba(255, 255, 255, .62); }
.faq summary { cursor: pointer; color: var(--wood-deep); font-family: var(--f-display); font-size: 18px; font-weight: 800; }
.faq p { margin: 10px 0 0; color: var(--muted); font-size: 14px; font-weight: 650; }
.sources { padding: 22px; }
.sources ul { margin: 12px 0 0; padding-left: 20px; color: var(--muted); line-height: 1.8; }
.sources a { color: var(--clay-d); font-weight: 900; }

.live-card { display: grid; grid-template-columns: .7fr 1.3fr; overflow: hidden; text-decoration: none; }
.live-card-art { display: grid; place-items: center; min-height: 245px; padding: 24px; background: linear-gradient(145deg, var(--board-1), var(--board-2)); }
.live-card-copy { padding: 28px; background: rgba(255, 255, 255, .66); }
.live-card-copy h3 { font-size: 30px; }
.live-card-copy p { color: var(--muted); font-weight: 650; }
.button-link { display: inline-flex; margin-top: 9px; padding: 11px 15px; border-radius: 11px; background: linear-gradient(160deg, var(--amber), var(--amber-d)); color: var(--ink); font-weight: 900; text-decoration: none; }

.library-heading { display: flex; justify-content: space-between; gap: 24px; align-items: end; }
.library-heading h2 { margin-bottom: 7px; }
.library-heading p { max-width: 650px; margin: 0; color: var(--muted); font-weight: 650; }
.library-count { display: flex; gap: 10px; align-items: center; flex: none; padding: 10px 14px; border: 1px solid var(--line); border-radius: 15px; background: rgba(255,255,255,.65); }
.library-count b { color: var(--clay-d); font-family: var(--f-display); font-size: 34px; line-height: 1; }
.library-count span { color: var(--muted); font-size: 11px; font-weight: 900; line-height: 1.25; text-transform: uppercase; }
.range-strip { display: flex; gap: 8px; overflow-x: auto; margin: 22px 0 14px; padding-bottom: 4px; scrollbar-width: thin; }
.range-strip span { flex: none; padding: 10px 13px; border: 1px solid var(--line); border-radius: 11px; background: rgba(255,255,255,.58); color: var(--muted); font-size: 12px; font-weight: 900; }
.range-strip .active { border-color: var(--sage-d); background: var(--sage-d); color: #fff; }
.library-layout { display: grid; grid-template-columns: 1.12fr .88fr; gap: 15px; }
.level-map { padding: 22px; }
.level-map-head { display: flex; justify-content: space-between; align-items: center; gap: 16px; margin-bottom: 15px; }
.level-map-head > div { display: flex; flex-direction: column; }
.level-map-head b { color: var(--wood-deep); font-family: var(--f-display); font-size: 20px; }
.level-map-head span { color: var(--muted-2); font-size: 11px; font-weight: 800; }
.map-key { display: inline-flex; align-items: center; gap: 6px; }
.map-key i { width: 9px; height: 9px; border-radius: 3px; background: var(--sage-d); }
.level-number-grid { display: grid; grid-template-columns: repeat(10, 1fr); gap: 7px; }
.level-number-grid > * { display: grid; min-height: 39px; place-items: center; border: 1px solid rgba(122,96,67,.12); border-radius: 9px; background: rgba(228,217,195,.34); color: rgba(90,66,48,.42); font-size: 12px; font-weight: 900; text-decoration: none; }
.level-number-grid a { border-color: var(--sage-d); background: linear-gradient(160deg, var(--sage), var(--sage-d)); box-shadow: 0 4px 12px rgba(96,126,88,.24); color: #fff; transform: translateY(-1px); }
.level-map-note { margin: 14px 0 0; color: var(--muted-2); font-size: 11.5px; font-weight: 700; }
.featured-guide { display: flex; flex-direction: column; overflow: hidden; text-decoration: none; }
.featured-board { display: grid; grid-template-columns: repeat(3, 1fr); gap: 7px; padding: 20px; background: linear-gradient(145deg, var(--board-1), var(--board-2)); }
.featured-copy { display: flex; flex: 1; flex-direction: column; align-items: flex-start; padding: 22px; background: rgba(255,255,255,.67); }
.guide-status { margin-bottom: 8px; color: var(--sage-d); font-size: 11px; font-weight: 900; letter-spacing: .7px; text-transform: uppercase; }
.featured-copy h3 { font-size: 27px; }
.featured-copy p { margin: 0; color: var(--muted); font-size: 14px; font-weight: 650; }
.featured-copy .button-link { margin-top: auto; transform: translateY(9px); }
.theme-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px; }
.theme-card { min-height: 158px; padding: 20px; border: 1px solid var(--line); border-radius: 18px; box-shadow: var(--shadow-soft); }
.theme-card span { font-size: 10px; font-weight: 900; letter-spacing: 1.6px; text-transform: uppercase; }
.theme-card h3 { margin: 14px 0 7px; font-size: 23px; }
.theme-card p { margin: 0; color: var(--muted); font-size: 13px; font-weight: 700; }
.sage-card { background: linear-gradient(145deg, rgba(143,174,130,.29), rgba(255,255,255,.65)); }
.sky-card { background: linear-gradient(145deg, rgba(126,169,200,.27), rgba(255,255,255,.65)); }
.amber-card { background: linear-gradient(145deg, rgba(229,178,84,.25), rgba(255,255,255,.65)); }
.clay-card { background: linear-gradient(145deg, rgba(190,112,77,.20), rgba(255,255,255,.65)); }

footer { position: relative; z-index: 1; margin-top: 64px; border-top: 1px solid var(--line); background: linear-gradient(180deg, transparent, rgba(90, 66, 48, .10)); }
.foot { display: grid; grid-template-columns: 1.4fr 1fr 1fr; gap: 30px; padding: 42px 0 24px; }
.foot p { max-width: 34em; color: var(--muted); font-size: 13.5px; font-weight: 650; }
.foot h4 { margin: 0 0 12px; font-size: 16px; }
.foot a { display: block; padding: 4px 0; color: var(--muted); font-size: 14px; font-weight: 800; text-decoration: none; }
.foot-bottom { display: flex; justify-content: space-between; gap: 12px; padding: 17px 0 30px; border-top: 1px solid var(--line); color: var(--muted-2); font-size: 12px; font-weight: 800; }

:focus-visible { outline: 3px solid var(--sage-d); outline-offset: 3px; }

@media (max-width: 900px) {
  .home-hero { grid-template-columns: 1fr; }
  .home-hero .hero-copy { order: 1; }
  .home-hero .hero-art { order: 2; width: min(500px, 100%); margin: 0 auto; }
  .group-grid, .fingerprint, .foot { grid-template-columns: 1fr 1fr; }
  .method-grid { grid-template-columns: 1fr; }
  .about-home { grid-template-columns: 1fr; }
  .library-layout { grid-template-columns: 1fr; }
  .theme-grid { grid-template-columns: repeat(2, 1fr); }
  .video-card { grid-template-columns: 1fr; }
}

@media (max-width: 640px) {
  .wrap, .narrow { width: min(100% - 32px, 850px); }
  header { padding: 10px 0; }
  .nav-links, .nav-search, .current-level { display: none; }
  .burger { display: block; }
  .nav-links.open { position: absolute; top: 66px; left: 0; right: 0; display: flex; flex-direction: column; align-items: stretch; padding: 8px; border: 1px solid var(--line); border-radius: 17px; background: #fbf7ee; box-shadow: var(--shadow); }
  .nav-links.open a { padding: 12px; }
  .home-hero { gap: 28px; padding-top: 30px; }
  .home-hero .board-shell { transform: none; }
  h1 { font-size: 38px; }
  .lede { font-size: 16px; }
  .search-box button { padding: 0 18px; }
  .level-hero { padding-top: 26px; }
  .version-box, .video-card, .sources { padding: 18px; }
  .fingerprint, .group-grid, .foot, .live-card { grid-template-columns: 1fr; }
  .about-home { gap: 24px; padding: 22px; }
  .library-heading { align-items: flex-start; flex-direction: column; }
  .level-number-grid { grid-template-columns: repeat(5, 1fr); }
  .theme-grid { grid-template-columns: 1fr 1fr; }
  .theme-card { min-height: 145px; padding: 17px; }
  .live-card-art { min-height: 190px; }
  .video-card { gap: 17px; }
  .notice { align-items: flex-start; }
  .foot-bottom { flex-direction: column; }
}

@media (prefers-reduced-motion: reduce) {
  * { scroll-behavior: auto !important; }
}