/* La pagina di presentazione del sito web (i colori sono quelli del tavolo, web/css/style.css). */
:root {
  --bg: #1b1f27; --panel: #12151c; --panel-3: #1a1f2b; --line: #2a3040;
  --text: #e8ecf3; --soft: #c3cad8; --muted: #9aa3b5; --accent: #7c5cff; --accent-2: #9b82ff;
  color-scheme: dark;
}
@media (prefers-color-scheme: light) {
  :root {
    --bg: #f4f6f8; --panel: #ffffff; --panel-3: #e4e9f1; --line: #cbd3e1;
    --text: #1b2230; --soft: #374154; --muted: #5d6879; --accent: #6a4cf0; --accent-2: #5a3fd6;
    color-scheme: light;
  }
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0; background: var(--bg); color: var(--text);
  font: 16px/1.55 system-ui, -apple-system, "Segoe UI", sans-serif;
  padding: env(safe-area-inset-top) env(safe-area-inset-right) env(safe-area-inset-bottom) env(safe-area-inset-left);
}
a { color: var(--accent-2); }
img { max-width: 100%; height: auto; display: block; }

.testa {
  display: flex; align-items: center; justify-content: space-between; gap: 12px; flex-wrap: wrap;
  max-width: 1120px; margin: 0 auto; padding: 14px 16px;
}
.marchio { display: flex; align-items: center; gap: 10px; font-weight: 800; letter-spacing: .04em; color: var(--text); text-decoration: none; }
.testa nav { display: flex; align-items: center; gap: 16px; flex-wrap: wrap; }
.testa nav a { color: var(--soft); text-decoration: none; font-size: 15px; }
.testa nav a:hover { color: var(--text); }
#lingua { background: none; border: 1px solid var(--line); color: var(--soft); border-radius: 6px; padding: 3px 8px; font: inherit; font-size: 13px; cursor: pointer; }

main { max-width: 1120px; margin: 0 auto; padding: 0 16px; }
section { padding: 40px 0; }
h1 { font-size: clamp(30px, 5vw, 48px); line-height: 1.12; margin: 0 0 16px; letter-spacing: -.01em; }
h2 { font-size: 22px; margin: 0 0 8px; }
h3 { font-size: 18px; margin: 0 0 8px; }
.sotto { color: var(--soft); font-size: 18px; margin: 0 0 22px; }
.nota { color: var(--muted); font-size: 14px; margin: 14px 0 0; }

.eroe { display: grid; grid-template-columns: 1fr 1.15fr; gap: 36px; align-items: center; padding-top: 24px; }
.eroe-foto { margin: 0; }
.eroe-foto img, .foto-doppie img { border-radius: 12px; border: 1px solid var(--line); box-shadow: 0 10px 30px rgba(0, 0, 0, .25); }

.bottoni, .file { display: flex; gap: 10px; flex-wrap: wrap; }
.btn {
  display: inline-block; padding: 11px 18px; border-radius: 9px; text-decoration: none; font-weight: 600;
  border: 1px solid var(--line); background: var(--panel); color: var(--text);
}
.btn:hover { border-color: var(--accent); }
.btn.primo { background: var(--accent); border-color: var(--accent); color: #fff; }
.btn.primo:hover { background: var(--accent-2); }

.griglia { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
.griglia article, .tre article { background: var(--panel); border: 1px solid var(--line); border-radius: 12px; padding: 18px; }
.griglia p, .tre p { color: var(--soft); margin: 0; }
.griglia h2 { font-size: 17px; }

.foto-doppie { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.foto-doppie figure { margin: 0; }
.foto-doppie figcaption { color: var(--muted); font-size: 14px; margin-top: 8px; }

.modi h2, .scarica h2 { font-size: 28px; margin-bottom: 18px; }
.tre { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.tre article { display: flex; flex-direction: column; gap: 12px; }
.tre article .btn { align-self: flex-start; margin-top: auto; }

.gioca { display: grid; grid-template-columns: 1fr 1fr; gap: 28px; align-items: center;
  background: var(--panel); border: 1px solid var(--line); border-radius: 16px; padding: 28px; margin: 20px 0; }
.gioca h2 { font-size: 26px; }
.gioca .sotto { margin: 0; }
.entra label { display: block; font-weight: 600; margin-bottom: 8px; }
.entra .riga { display: flex; gap: 10px; }
.entra input { flex: 1; min-width: 0; padding: 11px 12px; border-radius: 9px; border: 1px solid var(--line); background: var(--bg); color: var(--text); font: inherit; font-size: 16px; }
.entra input:focus { outline: 2px solid var(--accent); outline-offset: 1px; }
.entra button { border: 0; cursor: pointer; font: inherit; font-weight: 600; }
.entra .err { color: #e5534b; font-size: 14px; margin: 8px 0 0; min-height: 1em; }

.num { display: inline-grid; place-items: center; width: 30px; height: 30px; border-radius: 50%; background: var(--accent); color: #fff; font-weight: 700; }

.scarica .sotto { font-size: 16px; }
.sistemi { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 14px; margin-top: 8px; }
.sistemi article { background: var(--panel); border: 1px solid var(--line); border-radius: 12px; padding: 18px; display: flex; flex-direction: column; gap: 10px; }
.sistemi article.tuo { border-color: var(--accent); box-shadow: 0 0 0 1px var(--accent) inset; }
.sistemi h3 { margin: 0; }
.sistemi .req { color: var(--muted); font-size: 14px; margin: 0; }
.sistemi .btn { text-align: center; }
.sistemi .altro { font-size: 13px; color: var(--muted); }
a.altro { color: var(--accent-2); }

.piede { border-top: 1px solid var(--line); margin-top: 30px; padding: 24px 16px 40px; text-align: center; color: var(--muted); font-size: 14px; }
.piede .piccolo { max-width: 820px; margin: 10px auto 0; font-size: 12px; }

@media (max-width: 900px) {
  .eroe { grid-template-columns: 1fr; }
  .griglia { grid-template-columns: 1fr 1fr; }
  .tre { grid-template-columns: 1fr; }
  .gioca { grid-template-columns: 1fr; padding: 20px; }
}
@media (max-width: 560px) {
  .griglia, .foto-doppie { grid-template-columns: 1fr; }
  .testa nav { gap: 12px; }
  .bottoni .btn { flex: 1 1 100%; text-align: center; }
  .entra .riga { flex-direction: column; }
  section { padding: 28px 0; }
}