/* Marketing page — Studio / Bauhaus tokens from the Flutter app. */

:root {
  --cream: #ECEAE3;
  --ink: #16151A;
  --red: #D9442C;
  --yellow: #F2C84B;
  --blue: #2F4FBF;
  --green: #4A7C59;
  --cream-dim: #D9D6CB;
  --ink-light: #3A3840;
  --easy: #3D7A4A;
}

@media (prefers-color-scheme: dark) {
  :root {
    --cream: #16161A;
    --ink: #F2F0E8;
    --red: #E8624A;
    --blue: #6F86E8;
    --green: #7AB68C;
    --cream-dim: #2E2D36;
    --ink-light: #B0ADB8;
    --easy: #7AB68C;
  }
}

* { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  background: var(--cream);
  color: var(--ink);
  font-family: Inter, system-ui, -apple-system, "Segoe UI", sans-serif;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

a { color: inherit; text-decoration: none; }

.c-red { background: var(--red); }
.c-yellow { background: var(--yellow); }
.c-blue { background: var(--blue); }

.stripe {
  display: flex;
  height: 4px;
}
.stripe i { flex: 1; }

.page {
  max-width: 1080px;
  margin: 0 auto;
  padding: 24px 24px 48px;
  padding-left: max(24px, env(safe-area-inset-left));
  padding-right: max(24px, env(safe-area-inset-right));
}

.mast {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.brand { display: flex; align-items: center; gap: 10px; }

.triad { display: flex; gap: 2px; }
.triad i { width: 12px; height: 12px; display: block; }

.studio {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 2.5px;
  text-transform: uppercase;
}

.device {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 2.5px;
  text-transform: uppercase;
  color: var(--ink-light);
}

.hero {
  margin-top: 40px;
  display: grid;
  gap: 40px;
}

.copy { max-width: 28rem; }

h1 {
  font-family: Archivo, "Arial Black", system-ui, sans-serif;
  font-weight: 900;
  font-size: clamp(56px, 12vw, 80px);
  line-height: 0.9;
  letter-spacing: -2px;
  margin: 0;
}

.dot { color: var(--red); }

.dict {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  margin-top: 12px;
  padding-top: 8px;
  border-top: 1.5px solid var(--ink);
  font-size: 12px;
  color: var(--ink-light);
}
.dict span:first-child { font-style: italic; }

.lede {
  margin: 20px 0 0;
  font-size: 17px;
  line-height: 1.45;
  max-width: 34ch;
}

.cta {
  display: inline-block;
  margin-top: 28px;
  background: var(--ink);
  color: var(--cream);
  border: 1.5px solid var(--ink);
  padding: 16px 22px;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 1px;
  text-transform: uppercase;
  box-shadow: 4px 4px 0 var(--ink);
}

.cta:hover { background: var(--yellow); color: #16151A; }
.cta:focus-visible { outline: 2px solid var(--blue); outline-offset: 3px; }
.cta:active {
  transform: translate(4px, 4px);
  box-shadow: none;
}

.phone {
  border: 1.5px solid var(--ink);
  background: var(--cream);
  box-shadow: 4px 4px 0 var(--ink);
  padding: 16px 16px 12px;
  max-width: 390px;
}

.phone.won { background: var(--yellow); }

.phone-top {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  margin-bottom: 12px;
}

.phone-word {
  font-family: Archivo, "Arial Black", system-ui, sans-serif;
  font-weight: 900;
  font-size: 18px;
  letter-spacing: 2px;
}

.clock {
  font-family: "JetBrains Mono", ui-monospace, Menlo, monospace;
  font-weight: 700;
  font-size: 14px;
}

.board {
  display: grid;
  grid-template-columns: repeat(9, 1fr);
  border: 2.5px solid var(--ink);
  background: var(--ink);
  gap: 1px;
}

.cell {
  aspect-ratio: 1;
  border: 0;
  padding: 0;
  margin: 0;
  background: var(--cream);
  color: var(--ink);
  font-size: clamp(14px, 3.6vw, 20px);
  line-height: 1;
  cursor: pointer;
}

.cell.box-r { border-right: 1.5px solid var(--ink); }
.cell.box-b { border-bottom: 1.5px solid var(--ink); }

.cell.clue {
  font-family: Jost, Archivo, system-ui, sans-serif;
  font-weight: 700;
}

.cell:not(.clue) {
  font-family: "JetBrains Mono", ui-monospace, Menlo, monospace;
  font-weight: 500;
}

.cell.peer { background: color-mix(in srgb, var(--blue) 12%, var(--cream)); }
.cell.sel { background: color-mix(in srgb, var(--blue) 25%, var(--cream)); }
.cell.match { color: var(--blue); }
.cell.err { color: var(--red); }
.cell:focus-visible { outline: 2px solid var(--blue); outline-offset: -2px; }

.pad {
  display: grid;
  grid-template-columns: repeat(9, 1fr);
  gap: 4px;
  margin-top: 12px;
}

.pad button {
  border: 1.5px solid var(--ink);
  background: var(--cream);
  color: var(--ink);
  font-family: "JetBrains Mono", ui-monospace, Menlo, monospace;
  font-weight: 700;
  font-size: 16px;
  padding: 10px 0;
  cursor: pointer;
}

.pad button:hover { background: var(--yellow); }
.pad button:active {
  background: var(--ink);
  color: var(--cream);
}

.hint {
  margin: 10px 0 0;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  color: var(--ink-light);
}

.levels {
  margin-top: 48px;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}

.level {
  border: 1.5px solid var(--ink);
  padding: 14px;
  min-height: 148px;
  display: flex;
  flex-direction: column;
  box-shadow: 4px 4px 0 var(--ink);
}

.level h2 {
  margin: auto 0 0;
  font-size: 20px;
  font-weight: 900;
}

.level p {
  margin: 2px 0 0;
  font-size: 11px;
  letter-spacing: 0.3px;
  color: var(--ink-light);
}

.shape { display: block; }
.circle {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--easy);
}
.square { width: 44px; height: 44px; background: var(--blue); }
.triangle {
  width: 0;
  height: 0;
  border-left: 22px solid transparent;
  border-right: 22px solid transparent;
  border-bottom: 44px solid var(--yellow);
}
.bar { width: 44px; height: 24px; background: var(--red); }

.feats {
  margin-top: 48px;
  display: grid;
  gap: 0;
  border-top: 1.5px solid var(--ink);
}

.feats article {
  padding: 20px 0;
  border-bottom: 1.5px solid var(--ink);
}

.feats h2 {
  margin: 0;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 2.5px;
  text-transform: uppercase;
}

.feats p {
  margin: 8px 0 0;
  font-size: 16px;
  line-height: 1.4;
  max-width: 40ch;
}

.foot {
  margin-top: 40px;
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  color: var(--ink-light);
}

.foot .rule {
  flex: 1;
  height: 1px;
  background: var(--cream-dim);
}

@media (min-width: 860px) {
  .hero {
    grid-template-columns: 1fr 390px;
    align-items: center;
    gap: 56px;
    margin-top: 56px;
  }
  .levels { grid-template-columns: repeat(4, minmax(0, 1fr)); }
  .feats {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 24px;
    border-top: 0;
  }
  .feats article {
    padding: 20px 0 0;
    border-bottom: 0;
    border-top: 1.5px solid var(--ink);
  }
}

@media (prefers-reduced-motion: reduce) {
  .cta { box-shadow: none; }
  .cta:active { transform: none; }
}

/* App Store badge + QR (production listing only) */

.store {
  margin-top: 28px;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 20px;
}

.badge {
  display: inline-flex;
  flex-direction: column;
  justify-content: center;
  min-width: 180px;
  padding: 10px 22px;
  background: var(--ink);
  color: var(--cream);
  border: 1.5px solid var(--ink);
  border-radius: 10px;
  box-shadow: 4px 4px 0 var(--red);
}
.badge-small { font-size: 11px; font-weight: 500; letter-spacing: 0.4px; }
.badge-big { font-family: Archivo, Inter, sans-serif; font-size: 24px; font-weight: 800; line-height: 1.1; }

.qr {
  display: none;
  align-items: center;
  gap: 12px;
}
.qr svg {
  width: 96px;
  height: 96px;
  padding: 6px;
  background: var(--cream);
  color: var(--ink);
  border: 1.5px solid var(--ink);
}
.qr p {
  margin: 0;
  max-width: 12ch;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  color: var(--ink-light);
}

/* A phone does not need a code to scan itself; a laptop does. */
@media (hover: hover) and (pointer: fine) and (min-width: 700px) {
  .qr { display: flex; }
}

/* Long-form copy and FAQ: the crawlable half of the page */

.section-h {
  margin: 0 0 20px;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 2.5px;
  text-transform: uppercase;
}

.more, .faq { margin-top: 56px; }

.more-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 12px;
}
.more-grid article {
  border: 1.5px solid var(--ink);
  padding: 18px;
  box-shadow: 4px 4px 0 var(--ink);
}
.more-grid h3 { margin: 0; font-size: 18px; font-weight: 900; }
.more-grid p { margin: 8px 0 0; font-size: 15px; line-height: 1.45; color: var(--ink-light); }

.faq { border-top: 1.5px solid var(--ink); padding-top: 24px; }
.faq details { border-bottom: 1.5px solid var(--cream-dim); padding: 14px 0; }
.faq summary { cursor: pointer; font-weight: 700; font-size: 16px; }
.faq details p { margin: 10px 0 0; max-width: 60ch; line-height: 1.5; color: var(--ink-light); }

.closer {
  margin-top: 56px;
  padding: 32px 0;
  border-top: 1.5px solid var(--ink);
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}
.closer h2 { margin: 0; font-family: Archivo, Inter, sans-serif; font-size: 28px; font-weight: 900; }