/* LEFTHERA — un solo foglio di stile, nessun carattere esterno.
   I colori dei prodotti (--c) sono in prodotti.css, generato da strumenti/genera.py. */
:root {
  --fondo: #ffffff;
  --fondo-2: #f4f6fb;
  --inchiostro: #0e1433;
  --tenue: #535b74;
  --bordo: #e3e8f1;
  --accento: #0a5bd6;
  --accento-scuro: #0846a8;
  --base-tessera: #ffffff;
  --libero-fondo: #e2f3ea;
  --libero-testo: #13573c;
  --pass-fondo: #fbefd6;
  --pass-testo: #7a4806;
  color-scheme: light dark;
}
@media (prefers-color-scheme: dark) {
  :root {
    --fondo: #0b1026;
    --fondo-2: #111834;
    --inchiostro: #eef2fb;
    --tenue: #a9b2cc;
    --bordo: #232c50;
    --accento: #5aa9ff;
    --accento-scuro: #8cc3ff;
    --base-tessera: #121a38;
    --libero-fondo: #173a2d;
    --libero-testo: #a3e5c7;
    --pass-fondo: #3d2d12;
    --pass-testo: #f5d394;
  }
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }
body {
  margin: 0;
  background: var(--fondo);
  color: var(--inchiostro);
  font: 400 17px/1.55 -apple-system, BlinkMacSystemFont, "Segoe UI", system-ui, Roboto, "Helvetica Neue", Arial, sans-serif;
  -webkit-font-smoothing: antialiased;
}
h1, h2, h3, p, ol, ul { margin: 0; }
h1, h2 { text-wrap: balance; }
a { color: inherit; }
:focus-visible { outline: 3px solid var(--accento); outline-offset: 3px; border-radius: 8px; }
[id] { scroll-margin-top: 80px; }

.contenitore { width: min(1180px, 100% - 48px); margin-inline: auto; }
.vh { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }
.ico { width: 1em; height: 1em; fill: currentColor; flex: none; }

/* Marchio */
.marchio { display: inline-flex; align-items: center; gap: 12px; text-decoration: none; color: var(--inchiostro); }
.marchio-l { width: 28px; height: 30px; flex: none; }
.scritta { height: 15px; width: auto; display: block; }

/* Testata */
.testata {
  position: sticky; top: 0; z-index: 10;
  background: color-mix(in srgb, var(--fondo) 85%, transparent);
  backdrop-filter: saturate(1.6) blur(14px);
  -webkit-backdrop-filter: saturate(1.6) blur(14px);
  border-bottom: 1px solid var(--bordo);
}
.testata-riga { display: flex; align-items: center; gap: 16px; min-height: 64px; }
.testata nav { display: flex; gap: 4px; margin-left: auto; }
.testata nav a {
  text-decoration: none; font-size: 15px; font-weight: 500; color: var(--tenue);
  padding: 8px 12px; border-radius: 999px; white-space: nowrap;
}
.testata nav a:hover { color: var(--inchiostro); background: var(--fondo-2); }
.lingua {
  text-decoration: none; font-size: 15px; font-weight: 600; white-space: nowrap;
  padding: 7px 14px; border-radius: 999px; border: 1px solid var(--bordo);
}
.lingua:hover { border-color: var(--accento); color: var(--accento); }

/* Bottoni */
.bottone {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  min-height: 48px; padding: 12px 24px; border-radius: 999px;
  font-size: 16px; font-weight: 600; text-decoration: none; white-space: nowrap;
  transition: background-color .15s, border-color .15s, color .15s;
}
.bottone-pieno { background: var(--accento); color: #fff; }
.bottone-pieno:hover { background: var(--accento-scuro); }
@media (prefers-color-scheme: dark) { .bottone-pieno { color: #061233; } }
.bottone-vuoto { border: 1.5px solid var(--bordo); color: var(--inchiostro); }
.bottone-vuoto:hover { border-color: var(--accento); color: var(--accento); }

/* Apertura */
.apertura {
  padding: 96px 0 72px;
  background:
    radial-gradient(60% 50% at 20% 0%, rgb(0 184 245 / 14%), transparent 70%),
    radial-gradient(55% 45% at 85% 10%, rgb(11 30 157 / 12%), transparent 70%);
}
.apertura-testo { text-align: center; }
.motto { font-size: 15px; font-weight: 500; letter-spacing: .2em; color: var(--tenue); }
.apertura h1 {
  margin: 18px auto 0; max-width: 15ch;
  font-size: clamp(40px, 7vw, 76px); font-weight: 760; line-height: 1.04; letter-spacing: -.035em;
}
.intro { margin: 24px auto 0; max-width: 620px; font-size: clamp(18px, 2.2vw, 21px); color: var(--tenue); }
.bottoni { margin-top: 36px; display: flex; flex-wrap: wrap; justify-content: center; gap: 12px; }

.fascia {
  list-style: none; padding: 0; margin-top: 72px;
  display: grid; grid-template-columns: repeat(8, 1fr); gap: 12px;
}
.fascia a {
  display: flex; flex-direction: column; align-items: center; gap: 10px;
  padding: 16px 6px 14px; border-radius: 20px; text-decoration: none;
  background: color-mix(in srgb, var(--fondo) 70%, transparent);
  border: 1px solid var(--bordo);
  transition: transform .15s, border-color .15s;
}
.fascia a:hover { transform: translateY(-3px); border-color: var(--accento); }
.fascia img { width: 60px; height: 60px; border-radius: 14px; box-shadow: 0 6px 16px rgb(14 20 51 / 14%); }
.fascia span { font-size: 13.5px; font-weight: 600; text-align: center; }

/* Frase */
.frase { padding: 104px 0 24px; }
.frase-testo {
  max-width: 900px; font-size: clamp(28px, 4.2vw, 46px); line-height: 1.15; letter-spacing: -.02em;
  font-weight: 650; color: var(--tenue);
}
.frase-testo strong { color: var(--inchiostro); font-weight: 650; }
.conta { margin-top: 28px; display: flex; flex-wrap: wrap; align-items: center; gap: 10px; color: var(--tenue); font-size: 16px; }

.stato {
  display: inline-flex; align-items: center; gap: 6px; white-space: nowrap;
  font-size: 13.5px; font-weight: 600; line-height: 1; padding: 6px 11px 6px 9px; border-radius: 999px;
}
.stato-libero { background: var(--libero-fondo); color: var(--libero-testo); }
.stato-password { background: var(--pass-fondo); color: var(--pass-testo); }

/* Aree e tessere */
.area { padding-top: 96px; }
.occhiello { font-size: 14px; font-weight: 700; letter-spacing: .12em; text-transform: uppercase; color: var(--accento); }
.area h2, .come h2 {
  margin-top: 10px; max-width: 24ch;
  font-size: clamp(30px, 4.6vw, 52px); font-weight: 740; line-height: 1.08; letter-spacing: -.03em;
}
.tessere { margin-top: 40px; display: grid; grid-template-columns: repeat(2, 1fr); gap: 20px; }
.tessere > :last-child:nth-child(odd) { grid-column: 1 / -1; }

.tessera {
  display: flex; flex-direction: column; align-items: center; text-align: center; gap: 14px;
  padding: 52px 36px 44px; border-radius: 28px;
  background:
    radial-gradient(70% 60% at 50% 0%, color-mix(in srgb, var(--c) 22%, transparent), transparent 75%),
    color-mix(in srgb, var(--c) 7%, var(--base-tessera));
}
.tessera-ico {
  width: 96px; height: 96px; border-radius: 22px; margin-bottom: 8px;
  box-shadow: 0 14px 34px color-mix(in srgb, var(--c) 40%, transparent);
}
.tessera h3 { font-size: clamp(28px, 3.4vw, 36px); font-weight: 760; letter-spacing: -.025em; }
.tessera p { max-width: 40ch; color: var(--tenue); font-size: 17px; }
.tessera p { margin-bottom: 12px; }
.tessera .bottone { margin-top: auto; }

/* Come lavoriamo */
.come { margin-top: 120px; padding: 96px 0; background: var(--fondo-2); }
.come-sotto { margin-top: 14px; font-size: 19px; color: var(--tenue); }
.come ol { list-style: none; padding: 0; margin-top: 44px; display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.come li { padding: 32px 28px; border-radius: 24px; background: var(--fondo); border: 1px solid var(--bordo); }
.numero {
  display: block; font-size: 40px; font-weight: 760; letter-spacing: -.03em; line-height: 1; margin-bottom: 20px;
  background: linear-gradient(135deg, #0B1E9D, #006AD7 55%, #00B8F5);
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
.come h3 { font-size: 21px; font-weight: 700; margin-bottom: 10px; }
.come li p { color: var(--tenue); font-size: 16px; }

/* Piede */
.piede { padding: 64px 0 40px; border-top: 1px solid var(--bordo); font-size: 15px; }
.piede-alto { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 12px 24px; }
.piede-alto .motto { font-size: 14px; }
.piede-colonne { margin-top: 44px; display: grid; grid-template-columns: repeat(6, 1fr); gap: 28px 20px; }
.piede h3 { font-size: 13px; font-weight: 700; letter-spacing: .08em; text-transform: uppercase; color: var(--tenue); margin-bottom: 12px; }
.piede ul { list-style: none; padding: 0; display: grid; gap: 8px; }
.piede ul a { text-decoration: none; color: var(--inchiostro); }
.piede ul a:hover { color: var(--accento); text-decoration: underline; text-underline-offset: 3px; }
.piede-basso { margin-top: 48px; padding-top: 24px; border-top: 1px solid var(--bordo); color: var(--tenue); font-size: 14px; }

@media (prefers-reduced-motion: reduce) {
  .fascia a, .bottone { transition: none; }
  .fascia a:hover { transform: none; }
}

/* Tablet */
@media (max-width: 960px) {
  .fascia { grid-template-columns: repeat(4, 1fr); }
  .come ol { grid-template-columns: 1fr; }
  .piede-colonne { grid-template-columns: repeat(3, 1fr); }
}

/* Telefono */
@media (max-width: 640px) {
  body { font-size: 16px; }
  .contenitore { width: calc(100% - 32px); }
  .testata-riga { flex-wrap: wrap; gap: 0 12px; padding-top: 10px; min-height: 0; }
  .marchio { order: 1; }
  .lingua { order: 2; margin-left: auto; }
  .testata nav { order: 3; width: 100%; margin: 6px 0 6px -12px; }
  .apertura { padding: 56px 0 48px; }
  .bottoni .bottone { flex: 1 1 100%; }
  .fascia { margin-top: 48px; gap: 8px; }
  .fascia a { padding: 12px 2px 10px; border-radius: 16px; gap: 8px; }
  .fascia img { width: 48px; height: 48px; border-radius: 11px; }
  .fascia span { font-size: 12.5px; }
  .frase { padding-top: 72px; }
  .area { padding-top: 72px; }
  .tessere { grid-template-columns: 1fr; gap: 14px; margin-top: 28px; }
  .tessera { padding: 40px 22px 32px; border-radius: 24px; }
  .tessera-ico { width: 80px; height: 80px; border-radius: 18px; }
  .tessera .bottone { width: 100%; }
  .come { margin-top: 88px; padding: 72px 0; }
  .piede-colonne { grid-template-columns: repeat(2, 1fr); }
}