/* Layout: una colonna di lettura larga al massimo 1100px; l'apertura è una riga di canto con gli accordi sopra le parole. */
:root {
  --carta: #F2EDE7;      /* fondo crema dello stile Classico */
  --foglio: #FFFFFF;     /* card e riquadri */
  --inchiostro: #1C1B1F;
  --tenue: #5C5662;
  --blu: #283779;        /* colore base dell'app */
  --blu-chiaro: #E6E8F4;
  --accordo: #C62828;    /* il rosso degli accordi */
  --linea: #DDD5CB;
  --display: "Lora", Georgia, "Times New Roman", serif;
  --testo: "Roboto", system-ui, -apple-system, "Segoe UI", sans-serif;
  --mono: "Roboto Mono", ui-monospace, "Cascadia Mono", Consolas, monospace;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --carta: #121214; --foglio: #1E1E22; --inchiostro: #ECEAF0; --tenue: #A9A4B2;
    --blu: #A9B4F0; --blu-chiaro: #262B45; --accordo: #FF6B6B; --linea: #33323A;
    color-scheme: dark;
  }
}
:root[data-theme="dark"] {
  --carta: #121214; --foglio: #1E1E22; --inchiostro: #ECEAF0; --tenue: #A9A4B2;
  --blu: #A9B4F0; --blu-chiaro: #262B45; --accordo: #FF6B6B; --linea: #33323A;
  color-scheme: dark;
}

* { box-sizing: border-box; }
body {
  margin: 0;
  background: var(--carta);
  color: var(--inchiostro);
  font: 400 17px/1.6 var(--testo);
}
/* «hidden» vince sempre: senza, .riquadro e .pulsante (display flex) lo annullavano. */
[hidden] { display: none !important; }
img { max-width: 100%; height: auto; display: block; }
a { color: var(--blu); }
a:focus-visible, .pulsante:focus-visible { outline: 3px solid var(--accordo); outline-offset: 3px; }

.pagina {
  max-width: 1100px;
  margin: 0 auto;
  padding-left: max(16px, env(safe-area-inset-left, 0px));
  padding-right: max(16px, env(safe-area-inset-right, 0px));
  padding-block: 0 48px;
  display: flex;
  flex-direction: column;
  gap: 72px;
}

/* Intestazione */
.testata { display: flex; align-items: center; justify-content: space-between; gap: 16px; padding-block: 20px; flex-wrap: wrap; }
.marchio { display: flex; align-items: center; gap: 10px; text-decoration: none; color: var(--blu); font: 700 20px/1 var(--display); }
.marchio img { width: 36px; height: 36px; border-radius: 9px; }
.testata nav { display: flex; gap: 20px; font-size: 15px; }
.testata nav a { text-decoration: none; color: var(--tenue); }
.testata nav a:hover { color: var(--blu); }

/* Apertura: una riga di canto */
.apertura { display: grid; grid-template-columns: minmax(0, 1.4fr) minmax(0, 1fr); gap: 48px; align-items: center; }
.canto { margin: 0; display: flex; flex-direction: column; gap: 2px; }
.canto .accordi {
  font: 700 clamp(15px, 2vw, 20px)/1.2 var(--mono);
  color: var(--accordo);
  white-space: pre;
  overflow: hidden;
}
.canto h1 {
  margin: 0;
  font: 700 clamp(36px, 6vw, 64px)/1.08 var(--display);
  letter-spacing: -0.01em;
  text-wrap: balance;
}
.sottotitolo { margin: 20px 0 0; font-size: 19px; color: var(--tenue); max-width: 34em; }
.azioni { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 28px; }
.pulsante {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 13px 22px; border-radius: 999px;
  font: 500 16px/1 var(--testo); text-decoration: none;
  border: 2px solid var(--blu);
}
.pulsante.pieno { background: var(--blu); color: var(--carta); }
.pulsante.vuoto { color: var(--blu); }
.nota { margin: 14px 0 0; font-size: 14px; color: var(--tenue); }
.telefono { justify-self: center; width: min(300px, 100%); }
.telefono img { border-radius: 28px; border: 8px solid var(--inchiostro); box-shadow: 0 24px 48px rgba(20, 20, 40, 0.18); }

/* Sezioni */
section { display: flex; flex-direction: column; gap: 24px; }
h2 { margin: 0; font: 700 clamp(26px, 3.4vw, 36px)/1.2 var(--display); text-wrap: balance; }
.intro { margin: 0; color: var(--tenue); max-width: 40em; }

.funzioni { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 28px 36px; }
.funzione { display: flex; flex-direction: column; gap: 6px; padding-top: 16px; border-top: 2px solid var(--linea); }
.funzione h3 { margin: 0; font: 600 19px/1.3 var(--display); color: var(--blu); }
.funzione p { margin: 0; font-size: 16px; }
.funzione .solo-apk { font-size: 13px; color: var(--accordo); font-weight: 500; letter-spacing: 0.02em; }

.schermate { display: grid; grid-template-columns: minmax(0, 2fr) minmax(0, 1fr); gap: 20px; align-items: start; }
.schermate figure { margin: 0; display: flex; flex-direction: column; gap: 8px; }
.schermate img { border-radius: 12px; border: 1px solid var(--linea); }
.schermate figcaption { font-size: 14px; color: var(--tenue); }
.schermate .principale { grid-row: span 2; }

/* In evidenza: immagine e testo affiancati, alternati */
.evidenze { display: flex; flex-direction: column; gap: 56px; }
.evidenza { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: 40px; align-items: center; }
.evidenza:nth-child(even) .figura { order: 2; }
.evidenza .figura { display: flex; justify-content: center; }
.evidenza .testi { display: flex; flex-direction: column; gap: 12px; min-width: 0; }
.evidenza h3 { margin: 0; font: 700 clamp(22px, 2.6vw, 28px)/1.25 var(--display); text-wrap: balance; }
.evidenza p { margin: 0; }
.evidenza ul { margin: 0; padding-left: 1.2em; display: flex; flex-direction: column; gap: 4px; }
.cornice-telefono { width: min(280px, 100%); }
.cornice-telefono img { border-radius: 26px; border: 8px solid var(--inchiostro); }
.cornice-tv { width: 100%; display: flex; flex-direction: column; align-items: center; }
.evidenza.larga { grid-template-columns: minmax(0, 1fr); gap: 24px; }
.telefono-e-tv { display: grid; grid-template-columns: minmax(0, 1fr) auto minmax(0, 3.2fr); gap: 20px; align-items: center; }
.telefono-e-tv figure { margin: 0; display: flex; flex-direction: column; align-items: center; gap: 10px; }
.telefono-e-tv figcaption { font-size: 14px; color: var(--tenue); text-align: center; }
.telefono-e-tv .piccolo img { border-radius: 18px; border: 6px solid var(--inchiostro); }
.freccia { font: 700 32px/1 var(--display); color: var(--accordo); }
.evidenza.larga .testi { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: 12px 40px; }
.evidenza.larga .testi .etichetta, .evidenza.larga .testi h3 { grid-column: 1 / -1; }
.cornice-tv img { border: 10px solid #2A2A2E; border-bottom-width: 14px; border-radius: 8px; }
.cornice-tv::after { content: ""; width: 22%; height: 10px; margin-top: 2px; background: #2A2A2E; border-radius: 0 0 6px 6px; }
.cornice-widget { width: min(360px, 100%); }
.cornice-widget img { border-radius: 20px; }
.etichetta.apk { background: var(--carta); color: var(--accordo); border: 1px solid var(--accordo); margin-left: 0; align-self: flex-start; }

/* Android: APK o browser */
.confronto-box { overflow-x: auto; background: var(--foglio); border: 1px solid var(--linea); border-radius: 16px; }
table { width: 100%; border-collapse: collapse; min-width: 520px; font-size: 16px; }
th, td { padding: 14px 18px; text-align: left; border-bottom: 1px solid var(--linea); vertical-align: top; }
tr:last-child td { border-bottom: 0; }
thead th { font: 600 17px/1.3 var(--display); }
thead th.consigliata { color: var(--blu); }
.etichetta { display: inline-block; margin-left: 8px; padding: 2px 10px; border-radius: 999px; background: var(--blu-chiaro); color: var(--blu); font: 500 12px/1.6 var(--testo); letter-spacing: 0.04em; text-transform: uppercase; vertical-align: middle; }
td.si { color: var(--inchiostro); }
td.no { color: var(--tenue); }

.passi { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 20px; }
.riquadro { background: var(--foglio); border: 1px solid var(--linea); border-radius: 16px; padding: 22px 24px; display: flex; flex-direction: column; gap: 10px; }
.riquadro h3 { margin: 0; font: 600 19px/1.3 var(--display); }
.riquadro ol { margin: 0; padding-left: 1.3em; display: flex; flex-direction: column; gap: 6px; }
.riquadro p { margin: 0; }

footer { border-top: 1px solid var(--linea); padding-top: 24px; font-size: 14px; color: var(--tenue); display: flex; flex-wrap: wrap; gap: 8px 24px; justify-content: space-between; }

@media (max-width: 860px) {
  .apertura { grid-template-columns: minmax(0, 1fr); gap: 36px; }
  .funzioni { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .schermate { grid-template-columns: minmax(0, 1fr); }
  .schermate .principale { grid-row: auto; }
  .passi { grid-template-columns: minmax(0, 1fr); }
  .evidenza { grid-template-columns: minmax(0, 1fr); gap: 20px; }
  .evidenza:nth-child(even) .figura { order: 0; }
  .evidenza.larga .testi { grid-template-columns: minmax(0, 1fr); }
}
@media (max-width: 560px) {
  .telefono-e-tv { grid-template-columns: minmax(0, 1fr); }
  .telefono-e-tv .piccolo { width: 60%; justify-self: center; }
  .freccia { transform: rotate(90deg); justify-self: center; }
}
@media (max-width: 560px) {
  .funzioni { grid-template-columns: minmax(0, 1fr); }
  .testata nav { display: none; }
  .pagina { gap: 56px; }
}

/* Pagine di testo (informativa, eliminazione account) */
.documento { max-width: 46em; display: flex; flex-direction: column; gap: 16px; }
.documento h1 { margin: 0; font: 700 clamp(30px, 4.5vw, 44px)/1.15 var(--display); text-wrap: balance; }
.documento h2 { margin-top: 20px; font-size: clamp(21px, 2.6vw, 26px); }
.documento p, .documento ul, .documento ol { margin: 0; }
.documento ul, .documento ol { padding-left: 1.3em; display: flex; flex-direction: column; gap: 6px; }
.documento .aggiornato { font-size: 14px; color: var(--tenue); }
.email { font-family: var(--mono); font-size: 0.95em; user-select: all; }

/* Telefono: la tabella App/Web diventa una scheda per riga, con le due
   risposte affiancate e il nome della colonna sopra. */
@media (max-width: 560px) {
  .confronto-box { overflow-x: visible; }
  table { min-width: 0; }
  thead { display: none; }
  tbody tr { display: grid; grid-template-columns: 1fr 1fr; border-bottom: 1px solid var(--linea); }
  tbody tr:last-child { border-bottom: 0; }
  tbody th { grid-column: 1 / -1; padding: 14px 16px 4px; border: 0; }
  tbody td { padding: 4px 16px 14px; border: 0; }
  tbody td::before { content: attr(data-col); display: block; font: 600 12px/1.5 var(--testo); letter-spacing: 0.04em; text-transform: uppercase; color: var(--tenue); }
  tbody td:nth-of-type(1)::before { color: var(--blu); }
}

.passi + .confronto-box { margin-top: 20px; }