@font-face {
  font-family: "Bricolage";
  src: url("/fonts/bricolage.woff2") format("woff2-variations"), url("/fonts/bricolage.woff2") format("woff2");
  font-weight: 200 800;
  font-stretch: 75% 100%;
  font-display: swap;
}

:root {
  --night: #0b0c14;
  --deep: #181c34;
  --cell: #1a1c30;
  --edge: #24284a;
  --lume: #ffc94d;
  --lume-soft: #ffe2a0;
  --pink: #ff6fae;
  --ink: #ece9f5;
  --muted: #9a9cbb;
  --gutter: clamp(20px, 5vw, 64px);
  color-scheme: dark;
}

* { box-sizing: border-box; }

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

body {
  margin: 0;
  min-height: 100vh;
  background:
    radial-gradient(70rem 40rem at 78% 18%, rgba(255, 201, 77, 0.07), transparent 60%),
    radial-gradient(50rem 40rem at 10% 100%, rgba(142, 140, 255, 0.06), transparent 60%),
    var(--night);
  color: var(--ink);
  font-family: "Bricolage", ui-sans-serif, system-ui, -apple-system, "Segoe UI", sans-serif;
  font-size: 1.125rem;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

a { color: var(--lume); text-underline-offset: 0.2em; text-decoration-thickness: 1px; }
a:hover { color: var(--lume-soft); }
:focus-visible { outline: 2px solid var(--lume); outline-offset: 3px; border-radius: 4px; }

.wrap { max-width: 72rem; margin: 0 auto; padding-inline: var(--gutter); }

/* Header */
.top { display: flex; align-items: center; justify-content: space-between; padding-block: 1.75rem; }
.brand { display: inline-flex; align-items: center; gap: 0.7rem; color: var(--ink); text-decoration: none; font-weight: 700; font-size: 1.25rem; letter-spacing: -0.01em; }
.brand img { width: 2.25rem; height: 2.25rem; border-radius: 0.6rem; }
.top nav { display: flex; gap: 1.5rem; font-size: 1rem; }
.top nav a { color: var(--muted); text-decoration: none; }
.top nav a:hover { color: var(--ink); }

/* Hero */
.hero {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(0, 1fr);
  gap: clamp(2.5rem, 6vw, 6rem);
  align-items: center;
  padding-block: clamp(2rem, 7vw, 5.5rem) clamp(3rem, 8vw, 6rem);
}

h1 {
  margin: 0;
  font-size: clamp(2.9rem, 6.4vw, 5.4rem);
  line-height: 0.92;
  font-weight: 800;
  font-stretch: 78%;
  letter-spacing: -0.035em;
  text-wrap: balance;
}

h1 .after {
  display: block;
  color: var(--lume);
  text-shadow: 0 0 0.35em rgba(255, 201, 77, 0.45), 0 0 1.2em rgba(255, 201, 77, 0.2);
}

.lede { max-width: 32rem; margin: 1.75rem 0 0; color: #cfcde0; font-size: clamp(1.125rem, 1.6vw, 1.3rem); }

.status {
  display: flex; flex-wrap: wrap; align-items: center; gap: 0.75rem 1.25rem;
  margin-top: 2.25rem;
}
.pill {
  display: inline-flex; align-items: center; gap: 0.55rem;
  padding: 0.5rem 0.95rem; border-radius: 999px;
  background: rgba(255, 201, 77, 0.1); border: 1px solid rgba(255, 201, 77, 0.35);
  color: var(--lume-soft); font-size: 0.98rem; font-weight: 600;
}
.pill::before {
  content: ""; width: 0.5rem; height: 0.5rem; border-radius: 50%;
  background: var(--lume); box-shadow: 0 0 10px var(--lume);
}
.status p { margin: 0; color: var(--muted); font-size: 1rem; }

/* Board */
.stage { position: relative; justify-self: center; width: min(100%, 30rem); }
.board {
  display: grid; grid-template-columns: repeat(6, 1fr); gap: 6px;
  padding: 12px; border-radius: 22px;
  background: linear-gradient(160deg, #13162a, #0f1120);
  border: 1px solid var(--edge);
  box-shadow: 0 30px 80px -30px rgba(0, 0, 0, 0.8), inset 0 1px 0 rgba(255, 255, 255, 0.04);
  touch-action: manipulation;
}
.cell {
  position: relative; aspect-ratio: 1; border-radius: 9px; border: 0; padding: 0;
  background: var(--cell); box-shadow: inset 0 0 0 1px var(--edge);
  cursor: pointer; transition: background-color 0.5s ease, box-shadow 0.5s ease;
}
.cell:hover { box-shadow: inset 0 0 0 1px #3a3f6e; }
.cell.lit {
  background: radial-gradient(circle at 50% 40%, #6b5420, #3b3018 75%);
  box-shadow: inset 0 0 0 1px rgba(255, 201, 77, 0.7), 0 0 22px rgba(255, 201, 77, 0.4);
}
.cell::after {
  content: ""; position: absolute; inset: 0; border-radius: inherit;
  transform: scale(0.4); opacity: 0;
  transition: transform 0.18s cubic-bezier(0.3, 1.6, 0.5, 1), opacity 0.12s ease;
}
.cell.filled::after { transform: scale(1); opacity: 1; background: var(--tile, #8e8cff); box-shadow: inset 0 -4px 0 rgba(0, 0, 0, 0.22), inset 0 2px 0 rgba(255, 255, 255, 0.25); }
.cell.flash::after { transform: scale(1.08); opacity: 1; background: #fff6d8; box-shadow: 0 0 30px var(--lume); transition: transform 0.12s ease, opacity 0.12s ease; }
.cell.fade::after { transform: scale(0.6); opacity: 0; transition: transform 0.35s ease, opacity 0.35s ease; }

.hint { margin: 1rem 0 0; text-align: center; color: var(--muted); font-size: 0.95rem; }
.hint output { color: var(--lume-soft); font-weight: 600; font-variant-numeric: tabular-nums; }

/* How it plays */
.rules {
  display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: clamp(1.5rem, 4vw, 3.5rem);
  padding-block: clamp(2.5rem, 6vw, 4.5rem);
  border-top: 1px solid var(--edge);
}
.rules h2 { margin: 0 0 0.4rem; font-size: 1.35rem; font-weight: 700; letter-spacing: -0.01em; }
.rules p { margin: 0; color: #c3c2d8; font-size: 1.05rem; }
.rules .mark { display: inline-block; width: 0.8rem; height: 0.8rem; border-radius: 3px; margin-right: 0.55rem; vertical-align: 0.05em; }

/* Footer */
.foot { border-top: 1px solid var(--edge); padding-block: 2rem 2.5rem; color: var(--muted); font-size: 0.95rem; }
.foot .wrap { display: flex; flex-wrap: wrap; gap: 0.75rem 2rem; justify-content: space-between; }
.foot ul { display: flex; flex-wrap: wrap; gap: 0.5rem 1.5rem; margin: 0; padding: 0; list-style: none; }
.foot a { color: var(--muted); }
.foot a:hover { color: var(--ink); }

/* Legal pages */
.doc { max-width: 42rem; padding-block: clamp(1.5rem, 5vw, 3.5rem) clamp(3rem, 8vw, 5rem); }
.doc h1 { font-size: clamp(2.6rem, 6vw, 4rem); }
.doc .updated { color: var(--muted); margin: 0.9rem 0 2.5rem; font-size: 1rem; }
.doc h2 { margin: 2.6rem 0 0.6rem; font-size: 1.4rem; font-weight: 700; letter-spacing: -0.01em; color: var(--lume-soft); }
.doc p, .doc li { color: #d5d3e6; }
.doc ul { padding-left: 1.2rem; }
.doc li + li { margin-top: 0.4rem; }
.doc .summary {
  margin: 0 0 2rem; padding: 1.1rem 1.3rem; border-radius: 14px;
  background: rgba(255, 201, 77, 0.07); border-left: 3px solid var(--lume);
}
.doc .summary p { margin: 0; color: var(--ink); }

@media (max-width: 820px) {
  .hero { grid-template-columns: 1fr; }
  .stage { width: min(100%, 26rem); }
  .rules { grid-template-columns: 1fr; }
  .top nav { gap: 1rem; }
}

@media (prefers-reduced-motion: reduce) {
  .cell, .cell::after { transition: none !important; }
}
.foot span { max-width: 38rem; }