/* Frontend innovationmachine — CSS di base (mobile-first, zero dipendenze) */
* { box-sizing: border-box; }
:root { --bg:#0b0b0f; --fg:#f4f4f5; --muted:#a1a1aa; --card:#16161d; --accent:#6366f1; }
body {
  margin: 0;
  font-family: system-ui, -apple-system, Segoe UI, Roboto, sans-serif;
  background: var(--bg);
  color: var(--fg);
  line-height: 1.5;
}
.wrap { max-width: 48rem; margin: 0 auto; padding: 1.5rem 1rem 3rem; }
.hero { padding: 2rem 0 1rem; }
.badge {
  display: inline-block;
  font-size: .75rem;
  text-transform: uppercase;
  letter-spacing: .08em;
  color: var(--accent);
  border: 1px solid var(--accent);
  border-radius: 999px;
  padding: .2em .7em;
}
h1 { font-size: clamp(1.8rem, 6vw, 3rem); margin: .6rem 0 .3rem; }
h2 { font-size: 1.1rem; margin: 0 0 .75rem; }
code { background: #1f1f29; padding: .1em .35em; border-radius: .35em; font-size: .9em; }
.card { background: var(--card); border-radius: .9rem; padding: 1.25rem; margin-top: 1.5rem; }
.muted { color: var(--muted); }
ul { margin: 0; padding-left: 1.2rem; }
.foot { margin-top: 2rem; font-size: .85rem; color: var(--muted); }
a { color: var(--accent); }

/* ≥640px */
@media (min-width: 640px) {
  .wrap { padding: 2.5rem 1.5rem 4rem; }
}

/* --- Accessibilità: skip-link --- */
.skip-link {
  position: absolute; left: -9999px; top: 0;
  background: var(--accent); color: #fff; padding: .6em 1em; border-radius: 0 0 .5em 0; z-index: 10000;
}
.skip-link:focus { left: 0; }

/* --- Contenuto legale (HTML reso da markdown) --- */
.legal .meta { font-size: .8rem; margin-top: -.4rem; }
.legal-content { font-size: .95rem; }
.legal-content h2 { font-size: 1.15rem; margin: 1.6rem 0 .5rem; }
.legal-content h3 { font-size: 1rem; margin: 1.2rem 0 .4rem; }
.legal-content p, .legal-content li { color: #d4d4d8; }
.legal-content a { color: var(--accent); }
.legal-content table { width: 100%; border-collapse: collapse; margin: 1rem 0; display: block; overflow-x: auto; }
.legal-content th, .legal-content td { border: 1px solid #2a2a35; padding: .5em .7em; text-align: left; font-size: .85rem; }
.legal-content th { background: #1f1f29; }
.legal-content blockquote { border-left: 3px solid var(--accent); margin: 1rem 0; padding: .3rem 1rem; color: var(--muted); }

/* --- Footer --- */
.site-footer { max-width: 48rem; margin: 3rem auto 0; padding: 1.5rem 1rem 2.5rem; border-top: 1px solid #23232d; }
.footer-legal { display: flex; flex-wrap: wrap; gap: .4rem 1rem; align-items: center; font-size: .85rem; }
.footer-legal a { color: var(--muted); text-decoration: none; }
.footer-legal a:hover { color: var(--fg); text-decoration: underline; }
.footer-cc-btn { background: none; border: 0; color: var(--muted); cursor: pointer; font: inherit; padding: 0; text-decoration: underline; }
.footer-copy { margin: 1rem 0 0; font-size: .8rem; }

/* --- Form --- */
.form { display: flex; flex-direction: column; gap: .35rem; }
.form label { font-size: .85rem; color: var(--muted); margin-top: .6rem; }
.form input, .form textarea {
  width: 100%; background: #0f0f16; color: var(--fg);
  border: 1px solid #2a2a35; border-radius: .5rem; padding: .6em .75em; font: inherit;
}
.form input:focus, .form textarea:focus { outline: 2px solid var(--accent); border-color: transparent; }
.form .hp { position: absolute; left: -9999px; width: 1px; height: 1px; }
.form .consent-note { font-size: .8rem; margin: .8rem 0 .4rem; }
.btn-primary {
  margin-top: .4rem; background: var(--accent); color: #fff; border: 0; border-radius: .5rem;
  padding: .7em 1.2em; font: inherit; font-weight: 600; cursor: pointer; min-height: 44px;
}
.btn-primary:hover { filter: brightness(1.08); }

/* --- Alert --- */
.alert { border-radius: .5rem; padding: .7em 1em; margin: 1rem 0; font-size: .9rem; }
.alert-ok { background: rgba(34,197,94,.15); border: 1px solid rgba(34,197,94,.35); color: #bbf7d0; }
.alert-err { background: rgba(239,68,68,.15); border: 1px solid rgba(239,68,68,.35); color: #fecaca; }

/* --- Pagine errore --- */
.error-page { text-align: center; padding-top: 3rem; }
.error-page .badge { font-size: 1rem; }