:root {
  --bg: #060717;
  --sheet: #0C0E26;
  --card: rgba(255, 255, 255, 0.06);
  --line: rgba(255, 255, 255, 0.10);
  --text: #F5F5F0;
  --muted: #B5B5AE;
  --faint: #8E8E87;
  --accent: #D4FF3A;
  --on-accent: #111111;
  --radius: 22px;
  color-scheme: dark;
}
* { box-sizing: border-box; }
html, body { margin: 0; }
body {
  background: var(--bg);
  background-image:
    radial-gradient(1200px 600px at 80% -10%, rgba(120, 90, 255, 0.28), transparent 60%),
    radial-gradient(900px 500px at -10% 30%, rgba(212, 255, 58, 0.08), transparent 60%);
  background-attachment: fixed;
  color: var(--text);
  font: 16px/1.6 "Space Grotesk", ui-sans-serif, system-ui, -apple-system, "Segoe UI", sans-serif;
  -webkit-font-smoothing: antialiased;
}
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }
.wrap { max-width: 1080px; margin: 0 auto; padding: 0 20px; }

/* lingua: si mostra solo quella scelta */
html[data-lang="it"] [lang="en"], html[data-lang="en"] [lang="it"] { display: none !important; }

header.top { position: sticky; top: 0; z-index: 10; backdrop-filter: blur(14px); background: rgba(6, 7, 23, 0.72); border-bottom: 1px solid var(--line); }
header.top .wrap { display: flex; align-items: center; justify-content: space-between; height: 64px; gap: 16px; }
.brand { display: flex; align-items: center; gap: 10px; color: var(--text); font-weight: 700; font-size: 20px; letter-spacing: -0.02em; }
.brand:hover { text-decoration: none; }
.brand img { width: 30px; height: 30px; }
nav.links { display: flex; align-items: center; gap: 18px; font-size: 14px; }
nav.links a { color: var(--muted); }
nav.links a:hover { color: var(--text); text-decoration: none; }
.lang { display: inline-flex; border: 1px solid var(--line); border-radius: 999px; overflow: hidden; }
.lang button { background: none; border: 0; color: var(--muted); font: inherit; font-size: 13px; padding: 6px 12px; cursor: pointer; }
html[data-lang="it"] .lang [data-set="it"], html[data-lang="en"] .lang [data-set="en"] { background: var(--accent); color: var(--on-accent); font-weight: 700; }

.hero { padding: 88px 0 56px; display: grid; grid-template-columns: 1.1fr 0.9fr; gap: 40px; align-items: center; }
.eyebrow { display: inline-block; font-size: 13px; color: var(--accent); border: 1px solid rgba(212, 255, 58, 0.35); border-radius: 999px; padding: 4px 12px; margin-bottom: 18px; }
h1 { font-size: clamp(36px, 6vw, 60px); line-height: 1.04; letter-spacing: -0.035em; margin: 0 0 18px; }
h1 em { font-style: normal; color: var(--accent); }
.lead { font-size: 19px; color: var(--muted); max-width: 34em; margin: 0 0 28px; }
.cta { display: flex; gap: 12px; flex-wrap: wrap; align-items: center; }
.btn { display: inline-flex; align-items: center; gap: 10px; height: 52px; padding: 0 22px; border-radius: 999px; font-weight: 700; font-size: 16px; }
.btn.primary { background: var(--accent); color: var(--on-accent); }
.btn.ghost { border: 1.5px solid var(--line); color: var(--text); }
.btn:hover { text-decoration: none; filter: brightness(1.05); }
.btn.soon { opacity: 0.55; cursor: default; }
.note { font-size: 13px; color: var(--faint); margin-top: 12px; }

.phone { justify-self: center; width: 280px; border-radius: 44px; background: linear-gradient(160deg, #1A1C48, #0B0C24); border: 1px solid var(--line); box-shadow: 0 40px 120px rgba(120, 90, 255, 0.25); padding: 22px 18px; display: flex; flex-direction: column; gap: 14px; }
.phone .bal { border: 1.5px solid rgba(212, 255, 58, 0.5); border-radius: 26px; padding: 18px; background: rgba(212, 255, 58, 0.05); }
.phone .bal small { color: var(--muted); font-size: 12px; }
.phone .bal b { display: block; white-space: nowrap; font-size: 30px; color: var(--accent); letter-spacing: -0.03em; }
.phone .row { display: flex; justify-content: space-between; align-items: center; background: var(--card); border-radius: 18px; padding: 12px 14px; font-size: 14px; }
.phone .row span:last-child { color: var(--muted); }
.phone .act { font-size: 12px; color: var(--muted); display: flex; justify-content: space-between; padding: 0 4px; }
.phone .act b { color: var(--accent); font-weight: 600; }
.phone .pill { align-self: stretch; text-align: center; background: var(--accent); color: var(--on-accent); font-weight: 700; border-radius: 999px; padding: 12px; font-size: 14px; }

section { padding: 56px 0; }
h2 { font-size: clamp(26px, 4vw, 36px); letter-spacing: -0.03em; margin: 0 0 10px; }
.sub { color: var(--muted); margin: 0 0 28px; max-width: 40em; }
.grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.card { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 22px; }
.card h3 { margin: 10px 0 6px; font-size: 18px; letter-spacing: -0.01em; }
.card p { margin: 0; color: var(--muted); font-size: 15px; }
.icon { width: 40px; height: 40px; border-radius: 12px; display: grid; place-items: center; background: rgba(212, 255, 58, 0.12); color: var(--accent); }
.coins { display: flex; flex-wrap: wrap; gap: 10px; }
.coin { border: 1px solid var(--line); border-radius: 999px; padding: 8px 14px; font-size: 14px; color: var(--text); background: var(--card); }

details { background: var(--card); border: 1px solid var(--line); border-radius: 18px; padding: 16px 20px; margin-bottom: 10px; }
summary { cursor: pointer; font-weight: 600; list-style: none; }
summary::-webkit-details-marker { display: none; }
summary::after { content: "+"; float: right; color: var(--accent); font-weight: 700; }
details[open] summary::after { content: "−"; }
details p { color: var(--muted); margin: 10px 0 0; }

footer { border-top: 1px solid var(--line); padding: 32px 0 48px; color: var(--faint); font-size: 14px; }
footer .wrap { display: flex; flex-wrap: wrap; gap: 16px 28px; justify-content: space-between; }
footer nav { display: flex; gap: 18px; flex-wrap: wrap; }
footer a { color: var(--muted); }

/* pagine legali */
.doc { max-width: 760px; padding: 56px 20px 80px; margin: 0 auto; }
.doc h1 { font-size: clamp(30px, 5vw, 42px); }
.doc h2 { font-size: 22px; margin: 36px 0 8px; }
.doc p, .doc li { color: #DADAD3; }
.doc .updated { color: var(--faint); font-size: 14px; }
.doc table { width: 100%; border-collapse: collapse; margin: 12px 0; font-size: 15px; }
.doc th, .doc td { text-align: left; padding: 10px 12px; border-bottom: 1px solid var(--line); vertical-align: top; }
.doc th { color: var(--muted); font-weight: 600; }
.todo { background: rgba(255, 178, 58, 0.15); color: #FFB23A; border-radius: 6px; padding: 0 6px; }

@media (max-width: 820px) {
  .hero { grid-template-columns: 1fr; padding-top: 48px; }
  .phone { width: 240px; }
  .grid { grid-template-columns: 1fr; }
  nav.links a.hide-sm { display: none; }
}