/* ============================================================
   app-shell.css — Livello "App-first" per charliecinolo.it
   Bottom navigation bar (mobile) · touch target 48px+ · safe-area
   · lift del FAB WhatsApp · banner installazione PWA
   Eredita le CSS variables del sito (:root delle singole pagine);
   i fallback servono per pagine che non le definiscono (es. offline).
   ============================================================ */

:root {
  --abn-h: 58px;                 /* altezza barra (oltre alla safe-area) */
  --abn-bg: var(--white, #F0F7FF);
  --abn-border: var(--border, #BBCFE8);
  --abn-muted: var(--muted, #4A6FA5);
  --abn-active: var(--blue, #1D4ED8);
}

/* ─── Bottom navigation: nascosta su desktop, attiva sotto i 768px ─── */
.app-bottom-nav { display: none; }

@media (max-width: 768px) {
  .app-bottom-nav {
    /* !important e reset servono a battere la regola generica `nav { position:fixed; top:0; padding; ... }`
       del sito, che altrimenti applica top:0 e gonfia la barra a tutta altezza. */
    display: flex !important;
    position: fixed !important;
    top: auto !important;
    left: 0; right: 0; bottom: 0;
    height: auto;
    margin: 0;
    padding: 0;
    padding-bottom: env(safe-area-inset-bottom, 0px);
    gap: 0;
    z-index: 1000;
    justify-content: space-around;
    align-items: stretch;
    background: color-mix(in srgb, var(--abn-bg) 88%, transparent);
    -webkit-backdrop-filter: saturate(140%) blur(12px);
    backdrop-filter: saturate(140%) blur(12px);
    border: none;
    border-top: 1px solid var(--abn-border);
    box-shadow: 0 -3px 18px rgba(11, 31, 58, 0.07);
  }
  /* fallback se color-mix non supportato */
  @supports not (background: color-mix(in srgb, red, blue)) {
    .app-bottom-nav { background: var(--abn-bg); }
  }

  .abn-item {
    flex: 1 1 0;
    min-width: 0;
    display: flex; flex-direction: column;
    align-items: center; justify-content: center;
    gap: 3px;
    min-height: var(--abn-h);          /* tap target ampiamente > 48px */
    padding: 7px 2px 5px;
    text-decoration: none;
    color: var(--abn-muted);
    font-family: var(--ff-sans, system-ui, sans-serif);
    -webkit-tap-highlight-color: transparent;
    transition: color .18s ease, transform .12s ease;
    position: relative;
    background: none; border: none; cursor: pointer;
  }
  .abn-icon {
    width: 24px; height: 24px;
    stroke: currentColor; fill: none;
    stroke-width: 1.9; stroke-linecap: round; stroke-linejoin: round;
    flex-shrink: 0;
  }
  .abn-label {
    font-size: 10px; font-weight: 700;
    letter-spacing: .03em; text-transform: uppercase;
    line-height: 1; white-space: nowrap;
    max-width: 100%; overflow: hidden; text-overflow: ellipsis;
  }

  /* stato attivo */
  .abn-item[aria-current="page"],
  .abn-item.is-active { color: var(--abn-active); }
  .abn-item[aria-current="page"]::before,
  .abn-item.is-active::before {
    content: ""; position: absolute; top: 0; left: 50%;
    transform: translateX(-50%);
    width: 26px; height: 3px; border-radius: 0 0 4px 4px;
    background: var(--abn-active);
  }
  .abn-item:active { transform: scale(.94); }
  .abn-item:focus-visible {
    outline: 2px solid var(--abn-active);
    outline-offset: -3px; border-radius: 8px;
  }

  /* lascia spazio sopra la barra: niente contenuto coperto */
  body { padding-bottom: calc(var(--abn-h) + env(safe-area-inset-bottom, 0px)); }

  /* il FAB WhatsApp sale sopra la barra (resta canale distinto) */
  .wa-fab {
    bottom: calc(var(--abn-h) + env(safe-area-inset-bottom, 0px) + 14px) !important;
  }
  .wa-popup {
    bottom: calc(var(--abn-h) + env(safe-area-inset-bottom, 0px) + 70px) !important;
  }

  /* ─── Touch target generosi su elementi/argomenti tappabili ───
     (mirato a link/azioni standalone — non ai link inline nel testo) */
  .footer-links a,
  .footer-socials a,
  .social-grid a,
  .nav-back,
  .nav-lang,
  .blog-card-link,
  .read-more,
  .press-item a {
    display: inline-flex;
    align-items: center;
    min-height: 48px;
    padding-block: 6px;
  }
  .footer-socials a, .social-grid a { justify-content: center; min-width: 48px; }
}

/* ─── Banner installazione PWA (Android/Chrome) ─── */
.cc-install {
  position: fixed; left: 12px; right: 12px;
  bottom: calc(var(--abn-h) + env(safe-area-inset-bottom, 0px) + 14px);
  z-index: 1100;
  display: none;                  /* mostrato via JS */
  align-items: center; gap: 12px;
  padding: 12px 14px;
  background: var(--ink, #0B1F3A); color: var(--white, #F0F7FF);
  border-radius: 14px;
  box-shadow: 0 10px 34px rgba(11, 31, 58, 0.34);
  font-family: var(--ff-body, system-ui, sans-serif);
  animation: cc-slide-up .35s ease both;
}
.cc-install.show { display: flex; }
.cc-install__icon { width: 38px; height: 38px; border-radius: 9px; flex-shrink: 0; }
.cc-install__txt { flex: 1; min-width: 0; }
.cc-install__title { font-family: var(--ff-sans, sans-serif); font-weight: 800; font-size: .82rem; letter-spacing: .02em; }
.cc-install__sub { font-size: .72rem; opacity: .8; line-height: 1.3; margin-top: 2px; }
.cc-install__btn {
  flex-shrink: 0; border: none; cursor: pointer;
  background: var(--blue, #1D4ED8); color: #fff;
  font-family: var(--ff-sans, sans-serif); font-weight: 700;
  font-size: .76rem; letter-spacing: .04em; text-transform: uppercase;
  padding: 10px 14px; border-radius: 10px; min-height: 44px;
}
.cc-install__close {
  flex-shrink: 0; background: none; border: none; cursor: pointer;
  color: var(--white, #F0F7FF); opacity: .65; font-size: 1.3rem;
  line-height: 1; padding: 6px; min-width: 32px; min-height: 32px;
}

/* ─── Hint iOS "Aggiungi alla Home" (Safari non ha beforeinstallprompt) ─── */
.cc-ios-hint {
  position: fixed; left: 12px; right: 12px;
  bottom: calc(var(--abn-h) + env(safe-area-inset-bottom, 0px) + 14px);
  z-index: 1100; display: none;
  padding: 13px 15px 15px;
  background: var(--white, #F0F7FF); color: var(--ink, #0B1F3A);
  border: 1px solid var(--border, #BBCFE8); border-radius: 14px;
  box-shadow: 0 10px 34px rgba(11, 31, 58, 0.2);
  font-family: var(--ff-body, system-ui, sans-serif); font-size: .82rem; line-height: 1.45;
  animation: cc-slide-up .35s ease both;
}
.cc-ios-hint.show { display: block; }
.cc-ios-hint b { font-family: var(--ff-sans, sans-serif); }
.cc-ios-hint__close {
  position: absolute; top: 6px; right: 8px;
  background: none; border: none; cursor: pointer;
  color: var(--muted, #4A6FA5); font-size: 1.3rem; line-height: 1;
  padding: 6px; min-width: 32px; min-height: 32px;
}
.cc-ios-share {
  display: inline-block; vertical-align: -3px;
  width: 16px; height: 16px;
}

@keyframes cc-slide-up { from { transform: translateY(16px); opacity: 0; } to { transform: translateY(0); opacity: 1; } }

/* ─── Top bar su mobile: compatta logo e CTA per evitare overflow ───
   La barra superiore del sito tiene logo e "Richiedi consulenza" con
   flex-shrink:0; su schermi stretti la riga sfora. Qui li rimpiccioliamo
   quel tanto che basta perché restino sulla stessa riga senza taglio.
   La navigazione vera, su mobile, è la bottom nav. */
@media (max-width: 768px) {
  nav .nav-logo { font-size: .72rem; letter-spacing: .03em; }
  nav .nav-cta  { font-size: .55rem; letter-spacing: .03em; padding: .5rem .75rem; }
}
@media (max-width: 360px) {
  nav .nav-logo { font-size: .66rem; }
  nav .nav-cta  { font-size: .52rem; padding: .45rem .6rem; }
}

/* ─── Fix overflow orizzontale (pre-esistente) — griglia "About" EN ───
   invest-in-italy.html: .about-en-grid è una griglia a 3 colonne che a ≤960px
   collassa a una sola. La colonna 1fr eredita però min-width:auto sugli item,
   quindi non si restringe sotto il contenuto e allarga il layout viewport a
   632px su mobile (overflow orizzontale: contenuto spostato, banner cookie
   tagliato a destra). minmax(0,1fr) + min-width:0 riportano la pagina a
   device-width. Mirato a .about-en-grid → nessun effetto sulle altre pagine. */
@media (max-width: 960px) {
  .about-en-grid { grid-template-columns: minmax(0, 1fr) !important; }
  .about-en-grid > * { min-width: 0 !important; }
}

@media (prefers-reduced-motion: reduce) {
  .cc-install, .cc-ios-hint { animation: none; }
  .abn-item { transition: color .18s ease; }
}

/* In modalità app installata (standalone) diamo un filo di respiro in alto su iOS */
@media (display-mode: standalone) {
  body { padding-top: env(safe-area-inset-top, 0px); }
}