/* =========================================================================
   Menu mobile a tutto schermo: pannello viola con voci grandi che entrano in cascata.
   Sopra i 760px non fa nulla: resta la navigazione orizzontale.
   ========================================================================= */

.nav-mobile-foot { display: none; }
.nav-mobile-theme { display: none; }
.nav-mobile-theme .solo-scuro { display: none; }
html[data-theme="dark"] .nav-mobile-theme .solo-scuro { display: inline; }
html[data-theme="dark"] .nav-mobile-theme .solo-chiaro { display: none; }

/* Pulsante hamburger: tre barre che diventano una X */
.nav-toggle-bars { position: relative; display: block; width: 26px; height: 20px; }
.nav-toggle-bars i {
  position: absolute; left: 0; width: 100%; height: 3px; border-radius: 3px; background: currentColor;
  transition: transform .35s cubic-bezier(.65, 0, .35, 1), opacity .2s ease, top .35s cubic-bezier(.65, 0, .35, 1);
}
.nav-toggle-bars i:nth-child(1) { top: 0; }
.nav-toggle-bars i:nth-child(2) { top: 8.5px; }
.nav-toggle-bars i:nth-child(3) { top: 17px; }
.nav-open .nav-toggle-bars i:nth-child(1) { top: 8.5px; transform: rotate(45deg); }
.nav-open .nav-toggle-bars i:nth-child(2) { opacity: 0; transform: scaleX(.2); }
.nav-open .nav-toggle-bars i:nth-child(3) { top: 8.5px; transform: rotate(-45deg); }

@media (max-width: 760px) {
  /* Blocco dello scorrimento: sull'elemento html, non sul body. Un overflow sul body lo trasforma in un contenitore
     a parte e l'header sticky perde l'aggancio in alto (si vedeva una fascia vuota se la pagina non era in cima). */
  html.nav-open { overflow: hidden; }

  .main-nav {
    position: fixed; top: 76px; left: 0; right: 0; bottom: 0; z-index: 90;
    display: flex; flex-direction: column; align-items: stretch; justify-content: flex-start; gap: 0;
    padding: 28px 28px calc(36px + env(safe-area-inset-bottom, 0px)); overflow-x: hidden; overflow-y: auto; overscroll-behavior: contain;
    background:
      radial-gradient(120% 60% at 100% 0%, rgba(255,255,255,.16), transparent 60%),
      linear-gradient(160deg, #A465AB 0%, #7B3F84 55%, #4F2457 100%);
    color: #fff;
    visibility: hidden; opacity: 0; transform: translateY(-12px);
    transition: opacity .3s ease, transform .35s cubic-bezier(.22, 1, .36, 1), visibility 0s linear .35s;
  }
  .main-nav.open { visibility: visible; opacity: 1; transform: none; transition-delay: 0s; }

  /* Decorazione: cerchi morbidi in sfumatura (nessuna immagine raster, quindi mai sgranata), contenuti nel pannello */
  .main-nav::before, .main-nav::after {
    content: ""; position: absolute; border-radius: 50%; pointer-events: none; background: rgba(255,255,255,.07);
  }
  .main-nav::before { width: 360px; height: 360px; right: -140px; bottom: 120px; }
  .main-nav::after { width: 220px; height: 220px; left: -90px; top: 46%; background: rgba(255,255,255,.05); }

  .main-nav > a,
  .nav-dropdown-toggle {
    font-size: 1.45rem; font-weight: 800; letter-spacing: -.01em; line-height: 1.2; color: #fff;
    padding: 13px 0; border: 0; border-bottom: 1px solid rgba(255,255,255,.16);
    text-align: left; width: 100%;
  }
  .main-nav > a:hover, .main-nav > a.active,
  .nav-dropdown-toggle:hover, .nav-dropdown-toggle.active { color: #fff; border-bottom-color: rgba(255,255,255,.16); }
  .main-nav > a.active::after { content: ""; display: inline-block; width: 10px; height: 10px; margin-left: 12px; border-radius: 50%; background: #fff; vertical-align: middle; }

  /* I gruppi (Soluzioni, Partner) mostrano il titolo come etichetta e le voci sotto, sempre aperte */
  .nav-dropdown { padding: 18px 0 4px; border-bottom: 1px solid rgba(255,255,255,.16); }
  .nav-dropdown-toggle {
    font-size: .8rem; font-weight: 700; letter-spacing: .16em; text-transform: uppercase; color: rgba(255,255,255,.7);
    padding: 0 0 6px; border: 0; pointer-events: none; cursor: default;
  }
  .nav-dropdown-toggle:hover, .nav-dropdown-toggle.active { color: rgba(255,255,255,.7); }
  .nav-dropdown-toggle svg { display: none; }
  .nav-dropdown-menu {
    position: static; display: flex; flex-direction: column; min-width: 0; padding: 0; margin: 0;
    background: transparent; border: 0; box-shadow: none;
  }
  .nav-dropdown-menu a {
    font-size: 1.45rem; font-weight: 800; color: #fff; padding: 9px 0; border-radius: 0; line-height: 1.2;
  }
  .nav-dropdown-menu a:hover { background: transparent; color: #fff; }
  .nav-dropdown-menu a.active { text-decoration: underline; text-underline-offset: 6px; }

  /* Voci in cascata all'apertura */
  .main-nav > *, .nav-dropdown-menu a { opacity: 0; transform: translateY(18px); }
  .main-nav.open > *, .main-nav.open .nav-dropdown-menu a {
    opacity: 1; transform: none;
    transition: opacity .45s ease, transform .5s cubic-bezier(.22, 1, .36, 1);
  }
  .main-nav.open > *:nth-child(1) { transition-delay: .06s; }
  .main-nav.open > *:nth-child(2) { transition-delay: .12s; }
  .main-nav.open > *:nth-child(3) { transition-delay: .18s; }
  .main-nav.open > *:nth-child(4) { transition-delay: .24s; }
  .main-nav.open > *:nth-child(5) { transition-delay: .30s; }
  .main-nav.open > *:nth-child(6) { transition-delay: .36s; }

  /* Interruttore tema: nel menu, non piu' nell'header */
  .site-header .theme-toggle-header { display: none; }
  .nav-mobile-theme {
    display: flex; align-items: center; justify-content: space-between; gap: 16px;
    padding: 14px 18px; border-radius: 18px; background: rgba(255,255,255,.12); border: 1px solid rgba(255,255,255,.2);
  }
  .nav-mobile-theme-label { color: #fff; font-size: 1.15rem; font-weight: 800; line-height: 1.2; }
  .nav-mobile-theme-label small { display: block; font-size: .72rem; font-weight: 700; letter-spacing: .1em; text-transform: uppercase; opacity: .7; margin-bottom: 2px; }
  .nav-mobile-theme .theme-toggle { box-shadow: 0 0 0 2px rgba(255,255,255,.55); }

  /* Contatti rapidi */
  .nav-mobile-foot { display: flex; flex-direction: column; gap: 14px; margin-top: auto; padding-top: 28px; position: relative; }
  .main-nav .nav-mobile-cta {
    display: flex; align-items: center; gap: 14px; padding: 16px 20px; border-radius: 18px;
    background: #fff; color: #6E2F77; font-size: 1.35rem; font-weight: 800; letter-spacing: .01em;
    box-shadow: 0 14px 30px rgba(0,0,0,.25);
  }
  .nav-mobile-cta small { display: block; font-size: .72rem; font-weight: 700; letter-spacing: .1em; text-transform: uppercase; opacity: .7; }
  .nav-mobile-cta svg { flex: none; width: 40px; height: 40px; padding: 9px; border-radius: 50%; background: #6E2F77; color: #fff; }
  /* Con il prefisso .main-nav: la regola generica ".main-nav a" di site.css ha specificita' maggiore e lo faceva scuro */
  .main-nav .nav-mobile-mail {
    color: #fff; font-weight: 700; font-size: 1.05rem; text-align: center; padding: 13px 18px;
    border: 1.5px solid rgba(255,255,255,.55); border-radius: 999px; background: rgba(255,255,255,.1);
  }
  .main-nav .nav-mobile-mail:hover { color: #fff; background: rgba(255,255,255,.2); border-color: #fff; }

  /* Header mobile: logo, tema, ACCEDI e menu devono stare nella larghezza dello schermo */
  .site-header .container { gap: 8px; padding-left: 16px; padding-right: 12px; min-width: 0; }
  .site-header .brand img { height: 28px; }
  .header-actions { gap: 8px; min-width: 0; flex-shrink: 1; }
  .header-actions .btn-sm { padding: 8px 12px; font-size: .78rem; }
  .nav-toggle { padding: 8px 6px; }
  .nav-toggle-bars { width: 24px; }
}

@media (max-width: 380px) {
  .main-nav > a, .nav-dropdown-menu a { font-size: 1.3rem; }
  .nav-dropdown-toggle { font-size: .75rem; }
}

@media (prefers-reduced-motion: reduce) {
  .main-nav, .main-nav > *, .nav-dropdown-menu a, .nav-toggle-bars i { transition: none !important; }
}

/* Il riquadro scuro intorno al pulsante dopo il clic e' il focus del browser: resta solo per chi naviga da tastiera */
.nav-toggle:focus { outline: none; }
.nav-toggle:focus-visible { outline: 2px solid var(--color-primary); outline-offset: 2px; border-radius: 10px; }
.nav-toggle { -webkit-tap-highlight-color: transparent; }

/* Mai uno scorrimento laterale della pagina: gli elementi decorativi sporgenti vengono tagliati */
/* "clip" (a differenza di "hidden") non crea un contenitore di scorrimento: l'header sticky continua a funzionare */
body { overflow-x: clip; }
@supports not (overflow: clip) { body { overflow-x: hidden; } }