/* CloudBrain — foglio di stile unico, self-hosted.
   Nessun @import remoto, nessun font esterno, nessuna url() remota: la cookie policy dichiara
   che il sito non contatta terze parti, e questo file e' cio' che rende vera quella frase.
   Tema CHIARO: il pubblico sono professionisti non tecnici, per cui un'interfaccia scura dice
   «roba da smanettoni». I colori della chat sono quelli di WhatsApp in modalita' giorno. */
:root {
  --bg: #ffffff;
  --bg-alt: #f7f9fb;
  --fg: #0e1116;
  --muted: #5b6673;
  --hint: #8a97a4;
  --accent: #25d366;
  --accent-ink: #06210f;
  --accent-deep: #128c3e;
  --card: #ffffff;
  --border: #e6eaef;
  --border-soft: #f0f2f5;
  /* chat WhatsApp giorno */
  --wa-bg: #efeae2;
  --wa-out: #d9fdd3;
  --wa-in: #ffffff;
  --wa-ink: #111b21;
  --max: 1080px;
}
* { box-sizing: border-box; margin: 0; padding: 0; }
body {
  background: var(--bg);
  color: var(--fg);
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  line-height: 1.6;
}
main { max-width: var(--max); margin: 0 auto; padding: 0 20px; }
a { color: var(--accent-deep); }
.icon { width: 1em; height: 1em; vertical-align: -0.125em; fill: none; stroke: currentColor; stroke-width: 2; stroke-linecap: round; stroke-linejoin: round; }

/* --- barra ------------------------------------------------------------------------- */
.topbar {
  display: flex; align-items: center; justify-content: space-between;
  max-width: var(--max); margin: 0 auto; padding: 14px 20px;
}
.brand { display: flex; align-items: center; gap: 8px; font-weight: 700; font-size: 1.05rem; }
.brand .icon { color: var(--accent); width: 1.2em; height: 1.2em; }
.cta {
  display: inline-block; padding: 10px 20px; border-radius: 10px;
  background: var(--accent); color: var(--accent-ink); font-weight: 600; text-decoration: none;
}
.cta-ghost {
  display: inline-block; padding: 9px 18px; border-radius: 10px;
  border: 1px solid var(--accent); color: var(--accent-deep); font-weight: 600; text-decoration: none;
}

/* --- hero (split: copy + chat demo) ------------------------------------------------ */
.hero { display: flex; flex-wrap: wrap; gap: 32px; padding: 56px 0 40px; align-items: center; }
.hero > .copy { flex: 1 1 300px; }
.hero > .demo { flex: 1 1 300px; }
.hero h1 { font-size: clamp(1.9rem, 4.4vw, 3rem); line-height: 1.14; }
.hero .sub { color: var(--muted); font-size: 1.15rem; margin: 16px 0 26px; max-width: 520px; }
.hero .micro { color: var(--hint); font-size: .85rem; margin-top: 12px; }

/* chat demo: un'illustrazione, etichettata «esempio» nel markup */
.demo .label { text-align: right; font-size: .78rem; color: var(--hint); margin-bottom: 6px; }
.chat { background: var(--wa-bg); border: 1px solid #e2ddd4; border-radius: 14px; padding: 16px; display: flex; flex-direction: column; gap: 10px; }
.bubble { max-width: 88%; font-size: .9rem; line-height: 1.45; padding: 9px 12px; }
.bubble.out { align-self: flex-end; background: var(--wa-out); color: var(--wa-ink); border-radius: 12px 12px 3px 12px; }
.bubble.in { align-self: flex-start; background: var(--wa-in); color: var(--wa-ink); border-radius: 12px 12px 12px 3px; }
.cite { display: inline-flex; align-items: center; gap: 6px; margin-top: 8px; color: var(--accent-deep); font-size: .82rem; font-weight: 600; }

/* --- sezioni ----------------------------------------------------------------------- */
section { padding: 44px 0; border-top: 1px solid var(--border-soft); }
section.tinted { background: var(--bg-alt); }
section.tinted, section { }
.band { background: var(--bg-alt); }
h2 { font-size: 1.7rem; margin-bottom: 6px; }
.section-note { color: var(--hint); font-size: .85rem; margin-bottom: 20px; }
h2 + .cards, h2 + .checks, h2 + .plans, h2 + .pricing-toggle { margin-top: 18px; }
h3 { font-size: 1.05rem; }

/* card a griglia (come funziona / per chi e') */
.cards { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 16px; }
.card { background: var(--card); border: 1px solid var(--border); border-radius: 14px; padding: 20px; }
.card .icon { color: var(--accent); width: 22px; height: 22px; }
.card h3 { margin: 10px 0 4px; }
.card p { color: var(--muted); font-size: .92rem; }
.scenari .card .icon { color: var(--accent-deep); }

/* perche' fidarsi: check-list */
.checks { list-style: none; display: flex; flex-direction: column; gap: 12px; }
.checks li { display: flex; gap: 10px; }
.checks .icon { color: var(--accent); width: 20px; height: 20px; flex: none; margin-top: 2px; }

/* --- prezzi: toggle mensile/annuale senza una riga di JavaScript --------------------
   I due input sono figli DIRETTI di #pricing e precedono sia .pricing-toggle sia .plans:
   il combinatore ~ lega solo FRATELLI e non esce mai da quel livello. Spostarli dentro
   .pricing-toggle spegne il toggle senza rompere un test: e' solo CSS. */
#pricing > input[name="ciclo"] { position: absolute; opacity: 0; pointer-events: none; }
.pricing-toggle { display: inline-flex; gap: 6px; border: 1px solid var(--border); border-radius: 999px; padding: 4px; }
.pricing-toggle label { padding: 7px 16px; border-radius: 999px; cursor: pointer; color: var(--muted); font-size: .9rem; }
#ciclo-mensile:checked ~ .pricing-toggle label[for="ciclo-mensile"],
#ciclo-annuale:checked ~ .pricing-toggle label[for="ciclo-annuale"] {
  background: var(--accent); color: var(--accent-ink); font-weight: 600;
}
.plan .price .y { display: none; }
#ciclo-annuale:checked ~ .plans .plan .price .m { display: none; }
#ciclo-annuale:checked ~ .plans .plan .price .y { display: inline; }
.plans { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 18px; align-items: start; }
.plan { background: var(--card); border: 1px solid var(--border); border-radius: 14px; padding: 24px; position: relative; }
.plan.evidenza { border: 2px solid var(--accent); }
.plan .badge-plan { position: absolute; top: -11px; left: 22px; background: var(--accent); color: var(--accent-ink); font-size: .72rem; font-weight: 600; padding: 3px 12px; border-radius: 999px; }
.plan h3 { font-size: 1.15rem; }
.plan .price { font-size: 2.2rem; font-weight: 700; margin: 4px 0 14px; }
.plan .price .per { font-size: .8rem; font-weight: 400; color: var(--hint); }
.plan ul { list-style: none; color: var(--muted); font-size: .92rem; line-height: 1.9; }
.plan .cta, .plan .cta-ghost { margin-top: 16px; width: 100%; text-align: center; box-sizing: border-box; }
.badge { color: var(--accent-deep); font-weight: 600; }

/* --- faq --------------------------------------------------------------------------- */
#faq h3 { margin-top: 22px; }
#faq p { color: var(--muted); }

/* --- CTA finale + footer ----------------------------------------------------------- */
.cta-finale { text-align: center; padding: 40px 0; }
footer { border-top: 1px solid var(--border); margin-top: 8px; padding: 32px 20px; text-align: center; }
footer nav a { color: var(--muted); margin: 0 10px; }
footer .titolare { color: var(--hint); font-size: .9rem; margin-top: 12px; }

@media (prefers-reduced-motion: reduce) { * { transition: none !important; } }