/* Tumble's own look, loaded after base.css. The palette is taken from the game
   itself — the board navy and the four block colours — so the page and the
   thing it describes agree. Nothing here is shared with Isle. */

:root {
  --board: #0f1020;
  --board-cell: #191b2e;
  --pink: #ff5c7a;
  --yellow: #ffd166;
  --green: #2dd4a7;
  --blue: #5b8def;
  --glow: rgba(45, 212, 167, 0.14);
}

:root[data-theme="light"] {
  --glow: rgba(45, 212, 167, 0.12);
}

/* ---------- hero ---------- */

.hero {
  position: relative;
  text-align: center;
  padding: 56px 0 8px;
}

.hero::before {
  content: "";
  position: absolute;
  top: 10px;
  left: 50%;
  width: min(560px, 90vw);
  height: 300px;
  transform: translateX(-50%);
  background: radial-gradient(ellipse at center, var(--glow), transparent 68%);
  pointer-events: none;
  z-index: 0;
}

.hero > * { position: relative; z-index: 1; }

.hero h1 {
  margin: 30px 0 14px;
  font-size: clamp(40px, 8.5vw, 66px);
  font-weight: 700;
  letter-spacing: -0.035em;
  line-height: 1.04;
}

.hero .sub {
  margin: 0 auto;
  max-width: 30ch;
  color: var(--muted);
  font-size: clamp(18px, 3.4vw, 22px);
  line-height: 1.45;
}

.mark { display: block; margin: 0 auto; border-radius: 22px; }

/* ---------- store ---------- */

.store { text-align: center; padding: 28px 0 8px; }

.badge {
  display: inline-block;
  padding: 13px 26px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: var(--surface);
  color: var(--muted);
  font-size: 15px;
}

/* ---------- the board demo ---------- */

.demo { margin: 56px auto 0; max-width: 320px; }

.board {
  display: block;
  width: 100%;
  border-radius: 24px;
  background: var(--board);
  border: 1px solid var(--line);
}

.caption { margin-top: 14px; text-align: center; color: var(--muted); font-size: 13px; }

/* ---------- rules ---------- */

.rules { padding: 60px 0 8px; display: grid; gap: 16px; }

@media (min-width: 760px) {
  .rules { grid-template-columns: repeat(3, 1fr); }
}

.rule {
  padding: 24px 22px 26px;
  border: 1px solid var(--line);
  border-radius: 20px;
  background: var(--surface);
}

.rule .icon { display: block; margin-bottom: 16px; }

.rule h2 {
  margin: 0 0 7px;
  font-size: 18px;
  font-weight: 600;
  letter-spacing: -0.01em;
}

.rule p { margin: 0; color: var(--muted); font-size: 15px; line-height: 1.55; }

/* ---------- notes ---------- */

.notes { padding: 44px 0 8px; display: grid; gap: 12px; }

.note {
  padding: 20px 22px;
  border: 1px solid var(--line);
  border-radius: 16px;
  color: var(--muted);
  font-size: 14.5px;
  line-height: 1.6;
}
.note strong { color: var(--text); font-weight: 600; }