/* Puzzle Maker Pro — free-puzzles site. Plain CSS, no build step. */
:root {
  --bg: #f6f8fb;
  --surface: #ffffff;
  --ink: #1d2430;
  --muted: #5b6675;
  --brand: #2f6fed;
  --brand-dark: #1f51c0;
  --line: #e3e8f0;
  --radius: 14px;
  --shadow: 0 1px 2px rgba(18, 38, 63, .06), 0 8px 24px rgba(18, 38, 63, .06);
  --maxw: 1080px;
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  font: 16px/1.6 system-ui, -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  color: var(--ink);
  background: var(--bg);
}
a { color: var(--brand); text-decoration: none; }
a:hover { text-decoration: underline; }
.wrap { max-width: var(--maxw); margin: 0 auto; padding: 0 20px; }
.section { padding: 40px 20px; }
.muted { color: var(--muted); }
h1 { font-size: clamp(1.7rem, 1.2rem + 2vw, 2.6rem); line-height: 1.15; margin: .2em 0 .3em; }
h2 { font-size: 1.4rem; margin: 0 0 .8em; }
h3 { font-size: 1.1rem; margin: 0 0 .4em; }
.lead { font-size: 1.12rem; color: var(--muted); max-width: 60ch; }

/* header / nav */
.site-header {
  position: sticky; top: 0; z-index: 10;
  background: rgba(255, 255, 255, .9); backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--line);
}
.site-header .wrap { display: flex; align-items: center; justify-content: space-between; gap: 16px; height: 60px; }
.brand { font-weight: 700; font-size: 1.05rem; color: var(--ink); display: inline-flex; align-items: center; gap: 8px; }
.brand:hover { text-decoration: none; }
.brand-mark { color: var(--brand); }
.main-nav { display: flex; gap: 4px; flex-wrap: wrap; }
.main-nav a {
  color: var(--muted); padding: 8px 12px; border-radius: 999px; font-weight: 600; font-size: .95rem;
}
.main-nav a:hover { background: var(--bg); text-decoration: none; color: var(--ink); }
.main-nav a.active { background: var(--brand); color: #fff; }

/* hero */
.hero { background: linear-gradient(180deg, #eef3fe, var(--bg)); border-bottom: 1px solid var(--line); }
.hero .wrap { padding: 56px 20px 40px; }
.hero-cta { margin-top: 22px; }
.btn {
  display: inline-block; background: var(--brand); color: #fff; font-weight: 700;
  padding: 12px 22px; border-radius: 999px; box-shadow: var(--shadow);
}
.btn:hover { background: var(--brand-dark); text-decoration: none; }

/* grids + cards */
.cat-grid, .card-grid { display: grid; gap: 16px; grid-template-columns: repeat(auto-fill, minmax(240px, 1fr)); }
.cat-card, .card {
  display: block; background: var(--surface); border: 1px solid var(--line);
  border-radius: var(--radius); padding: 20px; box-shadow: var(--shadow);
  color: var(--ink); transition: transform .12s ease, box-shadow .12s ease;
}
.cat-card:hover, .card:hover { transform: translateY(-2px); text-decoration: none; box-shadow: 0 10px 30px rgba(18, 38, 63, .12); }
.cat-card p, .card p { color: var(--muted); margin: .2em 0 .8em; }
.card-meta { font-weight: 600; color: var(--brand); font-size: .92rem; }
.badge { display: inline-block; font-size: .72rem; font-weight: 700; vertical-align: middle;
  background: #fff4d6; color: #92670a; border: 1px solid #f2dca0; border-radius: 999px; padding: 2px 9px; }

/* breadcrumbs + notices + prose */
.crumbs { color: var(--muted); font-size: .9rem; margin-bottom: 8px; }
.crumbs a { color: var(--muted); }
.notice { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 20px; box-shadow: var(--shadow); }
.prose { max-width: 70ch; margin-top: 28px; }
.prose p { color: #33404f; }

/* play page + engine mount */
.play h1 { margin-bottom: .15em; }
.engine-frame {
  margin: 22px 0 8px; background: var(--surface); border: 1px solid var(--line);
  border-radius: var(--radius); box-shadow: var(--shadow); padding: 12px; overflow: hidden;
}
[data-pmp-engine-root] { min-height: 420px; display: block; }
.engine-loading { color: var(--muted); text-align: center; padding: 80px 0; }

/* footer */
.site-footer { border-top: 1px solid var(--line); margin-top: 40px; background: var(--surface); }
.site-footer .wrap { padding: 28px 20px; }
.site-footer p { margin: .2em 0; }