/* Sito pubblico (landing e conferma). Stessi colori dell'app (style.css), tema chiaro e scuro dal sistema. */
:root {
  color-scheme: light;
  --marchio: #2a78d6;
  --bg: #f4f4f1; --surf: #fcfcfb; --surf2: #f0efec; --line: rgba(11, 11, 11, .10);
  --text: #0b0b0b; --text2: #52514e; --muted: #77756f;
  --ok-ink: #006300; --ok-bg: #e3f4e3; --bad-ink: #b02a2a; --bad-bg: #fbe5e5;
  --ombra: 0 1px 2px rgba(0, 0, 0, .05), 0 8px 30px rgba(0, 0, 0, .06);
  --r: 14px;
}
@media (prefers-color-scheme: dark) {
  :root {
    color-scheme: dark;
    --bg: #0d0d0d; --surf: #1a1a19; --surf2: #232322; --line: rgba(255, 255, 255, .10);
    --text: #f0efec; --text2: #c3c2b7; --muted: #9a988f;
    --ok-ink: #3fc13f; --ok-bg: #16301a; --bad-ink: #f08a8a; --bad-bg: #3a1c1c;
    --ombra: none;
  }
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 72px; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }
body { margin: 0; font: 16px/1.6 system-ui, -apple-system, "Segoe UI", sans-serif; background: var(--bg); color: var(--text); }
a { color: var(--marchio); }
h1, h2, h3 { line-height: 1.2; letter-spacing: -.015em; margin: 0 0 .6em; }
h1 { font-size: clamp(2rem, 4.5vw, 3.1rem); }
h2 { font-size: clamp(1.5rem, 3vw, 2.1rem); }
h3 { font-size: 1.12rem; }
p { margin: 0 0 1em; }
code { font-family: ui-monospace, Menlo, Consolas, monospace; font-size: .9em; }
.larga { width: min(1140px, 100% - 32px); margin-inline: auto; }
.stretta { width: min(760px, 100% - 32px); }
.salta { position: absolute; left: -999px; top: 0; background: var(--surf); padding: .5rem 1rem; z-index: 99; }
.salta:focus { left: 8px; }
:focus-visible { outline: 2px solid var(--marchio); outline-offset: 2px; }

.btn { display: inline-flex; align-items: center; justify-content: center; gap: .4rem; padding: .55rem 1rem; border-radius: 10px; border: 1px solid var(--line); background: var(--surf); color: var(--text); text-decoration: none; font: inherit; font-size: .95rem; cursor: pointer; white-space: nowrap; }
.btn:hover { background: var(--surf2); }
.btn.pri { background: var(--marchio); border-color: var(--marchio); color: #fff; }
.btn.pri:hover { filter: brightness(1.08); }
.btn.grande { padding: .75rem 1.3rem; font-size: 1rem; }
.btn:disabled { opacity: .6; cursor: progress; }
.azioni { display: flex; gap: .6rem; flex-wrap: wrap; align-items: center; }

.testata { position: sticky; top: 0; z-index: 20; background: color-mix(in srgb, var(--bg) 88%, transparent); backdrop-filter: blur(8px); border-bottom: 1px solid var(--line); }
.riga { display: flex; align-items: center; gap: 1rem; justify-content: space-between; flex-wrap: wrap; }
.testata .riga { min-height: 64px; flex-wrap: nowrap; }
.logo { display: inline-flex; align-items: center; gap: .5rem; font-weight: 700; color: var(--marchio); text-decoration: none; font-size: 1.1rem; }
.logo span { color: var(--text); }
.voci { display: flex; gap: 1.3rem; }
.voci a { color: var(--text2); text-decoration: none; }
.voci a:hover { color: var(--text); }

.eroe { padding: clamp(2.5rem, 7vw, 5rem) 0 3rem; background: radial-gradient(circle at 85% 10%, color-mix(in srgb, var(--marchio) 16%, transparent), transparent 55%); }
.eroe-griglia { display: grid; grid-template-columns: 1fr 1.15fr; gap: 3rem; align-items: center; }
.occhiello { color: var(--marchio); font-weight: 600; text-transform: uppercase; letter-spacing: .06em; font-size: .82rem; }
.sottotitolo { font-size: 1.15rem; color: var(--text2); }
.nota { font-size: .88rem; color: var(--muted); margin-top: 1rem; }
.schermo { margin: 0; border-radius: var(--r); overflow: hidden; border: 1px solid var(--line); box-shadow: var(--ombra); background: var(--surf); }
.schermo img { display: block; width: 100%; height: auto; }

.blocco { padding: clamp(2.5rem, 6vw, 4.5rem) 0; }
.alterno { background: var(--surf); border-block: 1px solid var(--line); }
.intro { font-size: 1.08rem; color: var(--text2); max-width: 70ch; }
.tre { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 1.2rem; margin: 1.5rem 0; }
.carta { background: var(--surf); border: 1px solid var(--line); border-radius: var(--r); padding: 1.2rem 1.3rem; }
.alterno .carta { background: var(--bg); }
.carta p { color: var(--text2); margin: 0; }
.riquadro { border-left: 4px solid var(--marchio); background: var(--surf2); padding: 1rem 1.2rem; border-radius: 0 10px 10px 0; color: var(--text2); }

.funzione { display: grid; grid-template-columns: 1fr 1.25fr; gap: 2.5rem; align-items: center; margin: 2rem 0 3rem; }
.funzione.inversa > div { order: 2; }
.funzione p { color: var(--text2); }
.spunte { list-style: none; padding: 0; margin: 0; display: grid; gap: .45rem; }
.spunte li { padding-left: 1.6rem; position: relative; }
.spunte li::before { content: "✓"; position: absolute; left: 0; color: var(--marchio); font-weight: 700; }

.passi { list-style: none; counter-reset: p; padding: 0; display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.2rem; }
.passi li { counter-increment: p; background: var(--surf); border: 1px solid var(--line); border-radius: var(--r); padding: 1.2rem 1.3rem 1.2rem 3.6rem; position: relative; display: grid; gap: .3rem; }
.passi li::before { content: counter(p); position: absolute; left: 1.1rem; top: 1.1rem; width: 1.8rem; height: 1.8rem; border-radius: 50%; background: var(--marchio); color: #fff; display: grid; place-items: center; font-weight: 700; }
.passi span { color: var(--text2); }

.piani { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 1.2rem; align-items: stretch; }
.piano { background: var(--bg); border: 1px solid var(--line); border-radius: var(--r); padding: 1.5rem; display: flex; flex-direction: column; gap: .4rem; position: relative; }
.piano.consigliato { border: 2px solid var(--marchio); }
.piano .etichetta { position: absolute; top: -.75rem; left: 1.2rem; background: var(--marchio); color: #fff; font-size: .75rem; font-weight: 600; padding: .1rem .6rem; border-radius: 99px; }
.piano .prezzo { font-size: 2.2rem; font-weight: 700; margin: 0; }
.piano .prezzo small { font-size: .9rem; color: var(--muted); font-weight: 400; }
.piano .muto { color: var(--muted); font-size: .9rem; }
.piano .spunte { margin-bottom: 1rem; flex: 1; }

details { border-bottom: 1px solid var(--line); padding: .9rem 0; }
summary { cursor: pointer; font-weight: 600; }
details p { color: var(--text2); margin: .6rem 0 0; }

.modulo { background: var(--bg); border: 1px solid var(--line); border-radius: var(--r); padding: clamp(1rem, 3vw, 1.8rem); }
.campi { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; margin-bottom: 1.2rem; }
.campi label { display: grid; gap: .3rem; font-size: .92rem; color: var(--text2); }
.campi .intero { grid-column: 1 / -1; }
.campi small { color: var(--muted); font-size: .8rem; }
input, select, textarea { font: inherit; color: var(--text); background: var(--surf); border: 1px solid var(--line); border-radius: 8px; padding: .55rem .7rem; width: 100%; }
.controllato :invalid { border-color: var(--bad-ink); }
.consenso { display: flex !important; grid-template-columns: none; gap: .6rem !important; align-items: flex-start; }
.consenso input { width: auto; margin-top: .3rem; }
.esca { position: absolute !important; left: -10000px; width: 1px; height: 1px; overflow: hidden; }
.esito { margin: 1rem 0 0; padding: 0; }
.esito.ok { color: var(--ok-ink); background: var(--ok-bg); padding: .7rem 1rem; border-radius: 8px; }
.esito.errore { color: var(--bad-ink); background: var(--bad-bg); padding: .7rem 1rem; border-radius: 8px; }

.piede { border-top: 1px solid var(--line); padding: 1.5rem 0; color: var(--muted); font-size: .88rem; }
.piede a { color: var(--text2); }
.conferma { padding: 3rem 0; }
.conferma .logo { margin-bottom: 2rem; }

@media (max-width: 900px) {
  .eroe-griglia, .funzione { grid-template-columns: 1fr; }
  .funzione.inversa > div { order: 0; }
  .tre, .passi { grid-template-columns: 1fr; }
  .voci { display: none; }
}
@media (max-width: 560px) {
  .campi { grid-template-columns: 1fr; }
  .testata .azioni .btn:first-child { display: none; }
  .btn.grande { width: 100%; }
}