/*
 * ============================================================================
 * NAVIGATION-OVERLAY.CSS - UCOI/UCOIM
 * ============================================================================
 * @file: navigation-overlay.css
 * @description: Sistema di navigazione con FULL-SCREEN OVERLAY mobile menu
 * @author: Altoprofilo Studio
 * @version: 2.4 FIXED (Rimossi bordi indesiderati menu mobile)
 * @last-updated: 2025-10-17
 * @dependencies: base.css (variabili globali)
 * 
 * @changelog:
 * - v2.4 (2025-10-17): Fix bordi su link menu mobile + CTA border restored
 * - v2.3 (2025-10-16): Bordo hamburger come design element
 * ============================================================================
 */

/* ============================================================================
   VARIABILI LOCALI
   ============================================================================ */

:root {
  /* Colori navigazione */
  --nav-bg: #ffffff;
  --nav-fg: var(--primary-color, #036);
  --nav-border: rgba(3, 51, 102, .15);
  --nav-shadow: 0 2px 4px rgba(0, 0, 0, 0.04);
  --nav-bg-light: rgba(3, 51, 102, .06);
  
  /* Mobile overlay */
  --overlay-bg: rgba(30, 41, 59, 0.85);
  --overlay-content-bg: #ffffff;
  
  /* Breadcrumb */
  --bc-bg: var(--bg-light, #f5f9fc);
  --bc-sep: rgba(0,0,0,.45);
  --bc-text: rgba(0,0,0,.65);
  --bc-link: var(--primary-color, #036);
  --bc-link-hover: var(--primary-hover, #001a49);
}

/* ============================================================================
   ACCESSIBILITY
   ============================================================================ */

.sr-only {
  position: absolute !important;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0,0,0,0);
  white-space: nowrap;
  border: 0;
}

/* ============================================================================
   HEADER PRINCIPALE
   ============================================================================ */

.site-header {
  position: sticky;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: var(--nav-bg);
  border-bottom: 1px solid var(--nav-border);
  box-shadow: var(--nav-shadow);
}

.header-container {
  display: grid;
  grid-template-columns: 1fr auto;
  align-items: center;
  gap: 1rem;
  padding: 0.75rem var(--section-inline-padding, 1rem);
  position: relative;
}

.logo {
  position: relative;
  z-index: 2;
}

.logo img {
  height: auto;
  max-width: 180px;
}

@media (min-width: 576px) {
  .logo img {
    max-width: 190px;
  }
}

@media (max-width: 360px) {
  .logo img {
    max-width: 150px;
  }
}

/* ============================================================================
   MOBILE MENU TOGGLE
   ============================================================================ */

.mobile-menu-toggle {
  appearance: none;
  background: transparent;
  border: 2px solid var(--nav-fg);
  padding: 0.65rem;
  border-radius: 8px;
  display: none;
  align-items: center;
  justify-content: center;
  color: var(--nav-fg);
  cursor: pointer;
  z-index: 2;
  box-shadow: 0 2px 4px rgba(0, 51, 102, 0.1);
  transition: all 0.2s ease;
}

.mobile-menu-toggle:hover {
  background: rgba(3, 51, 102, 0.04);
  border-color: var(--nav-fg);
  box-shadow: 0 4px 8px rgba(0, 51, 102, 0.15);
  transform: translateY(-1px);
}

.mobile-menu-toggle:active {
  transform: translateY(0);
  box-shadow: 0 1px 2px rgba(0, 51, 102, 0.2);
  background: rgba(3, 51, 102, 0.08);
}

.mobile-menu-toggle:focus-visible {
  outline: 3px solid var(--focus, #0066cc);
  outline-offset: 2px;
  border-color: var(--nav-fg);
}

.mobile-menu-toggle:focus:not(:focus-visible) {
  outline: none;
}

.mobile-menu-toggle svg,
.mobile-menu-toggle svg * {
  outline: none !important;
  border: none !important;
}

@media (max-width: 1199.98px) {
  .mobile-menu-toggle {
    display: inline-flex;
  }
}

/* ============================================================================
   MOBILE MENU OVERLAY - FULL SCREEN
   ============================================================================ */

.primary-navigation {
  position: static;
}

@media (max-width: 1199.98px) {
  .primary-navigation {
    position: fixed;
    inset: 0;
    background: var(--overlay-bg);
    z-index: 9999;
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    transition: opacity 0.3s ease, visibility 0.3s ease;
    overflow-y: auto;
    -webkit-overflow-scrolling: touch;
    padding: 2rem 1rem;
    display: flex;
    align-items: center;
    justify-content: center;
  }
  
  .primary-navigation.is-open {
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
  }
}

/* ============================================================================
   BOTTONE CHIUSURA X (Mobile)
   ============================================================================ */

.menu-close {
  display: none;
}

@media (max-width: 1199.98px) {
  .menu-close {
    display: flex;
    align-items: center;
    justify-content: center;
    position: fixed;
    top: 1rem;
    right: 1rem;
    width: 44px;
    height: 44px;
    background: rgba(255, 255, 255, 0.95);
    border: 0;
    border-radius: 50%;
    color: var(--nav-fg);
    cursor: pointer;
    z-index: 10000;
    box-shadow: 0 2px 12px rgba(0, 0, 0, 0.15);
    transition: background-color 0.2s ease, transform 0.2s ease;
  }
  
  .menu-close svg {
    width: 24px;
    height: 24px;
  }
  
  .menu-close:hover {
    background: rgba(255, 255, 255, 1);
    transform: scale(1.05);
  }
  
  .menu-close:focus-visible {
    outline: 3px solid var(--focus, #0066cc);
    outline-offset: 2px;
  }
  
  .menu-close:focus:not(:focus-visible) {
    outline: none;
  }
  
  .menu-close:active {
    transform: scale(0.95);
  }
}

/* ============================================================================
   MENU PRINCIPALE
   ============================================================================ */

.menu {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

@media (max-width: 1199.98px) {
  .menu {
    background: var(--overlay-content-bg);
    border-radius: 1rem;
    padding: 1.5rem 1rem;
    width: 100%;
    max-width: 400px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
    transform: translateY(20px);
    transition: transform 0.3s ease;
  }
  
  .primary-navigation.is-open .menu {
    transform: translateY(0);
  }
}

.menu > li {
  display: flex;
  flex-direction: column;
  align-items: stretch;
}

/* ============================================================================
   LINK MENU - VERSIONE FUNZIONANTE
   
   ✅ SOLUZIONE STABILE:
   - Link menu: NO bordi (solo background hover)
   - CTA: Background distintivo invece di bordo
   - Focus visibile solo con tastiera (accessibilità)
   ============================================================================ */

.menu a {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.5rem;
  color: var(--nav-fg);
  text-decoration: none;
  font-weight: 500;
  padding: 0.75rem;
  border-radius: 0.5rem;
  transition: background-color 0.2s ease, color 0.2s ease;
  
  /* ✅ NO bordi */
  border: none !important;
  outline: none;
  box-shadow: none;
}

.menu a:hover {
  background: var(--nav-bg-light);
}

.menu a[aria-current="page"] {
  font-weight: 600;
  background: var(--nav-bg-light);
}

/* ✅ MOBILE: Override completo */
@media (max-width: 1199.98px) {
  .menu a,
  .menu a:hover,
  .menu a:active,
  .menu a[aria-current="page"] {
    border: none !important;
    outline: none !important;
    box-shadow: none !important;
  }
  
  /* Focus tastiera: outline per accessibilità */
  .menu a:focus-visible {
    outline: 2px solid var(--color-primary, #036) !important;
    outline-offset: 3px !important;
    border: none !important;
  }
  
  /* Focus mouse: NIENTE */
  .menu a:focus:not(:focus-visible) {
    outline: none !important;
    border: none !important;
    box-shadow: none !important;
  }
}

/* ============================================================================
   SOTTOMENU
   ============================================================================ */

.has-submenu {
  position: relative;
}

.submenu-toggle {
  background: transparent;
  border: 0;
  padding: 0.5rem;
  line-height: 0;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: transform 0.2s ease;
}

.submenu-toggle:focus-visible {
  outline: 2px solid var(--color-primary, #036);
  outline-offset: 2px;
}

.submenu-toggle:focus:not(:focus-visible) {
  outline: none;
}

.has-submenu[aria-expanded="true"] .submenu-toggle {
  transform: rotate(180deg);
}

.submenu {
  list-style: none;
  margin: 0;
  padding: 0;
  display: block;
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease;
}

.has-submenu[aria-expanded="true"] .submenu {
  max-height: 1000px;
}

.submenu li {
  border-top: 1px solid rgba(0,0,0,.08);
}

.submenu a {
  padding: 0.65rem 0.75rem 0.65rem 1.5rem;
  font-size: 0.95rem;
}

/* ============================================================================
   CTA BUTTON - DESIGN CON BACKGROUND (NO BORDER)
   
   🎨 DESIGN ALTERNATIVO:
   - Background blu distintivo invece di bordo
   - Pill shape (border-radius elevato)
   - Hover: inversione colori
   - Si distingue dai link normali senza usare bordi
   ============================================================================ */

.menu-cta {
  margin-top: 1rem;
  padding-top: 1rem;
  border-top: 1px solid rgba(0,0,0,.1);
}

@media (max-width: 1199.98px) {
  .menu-cta {
    order: 99;
  }
}

/* ✅ CTA: Background distintivo (NO bordo) */
.nav-cta {
  display: block;
  background: var(--nav-fg); /* Background blu */
  color: #fff!important; /* Testo bianco */
  border: none !important; /* NO bordo per evitare conflitti */
  padding: 0.85rem 1.5rem;
  border-radius: 999px; /* Pill shape */
  font-weight: 600;
  text-align: center;
  box-shadow: 0 2px 8px rgba(3, 51, 102, 0.2); /* Ombra leggera */
  transition: all 0.2s ease;
}

/* Hover: effetto elevazione */
.nav-cta:hover {
  background: var(--primary-hover, #00254d) !important;
  color: #fff !important;
  text-decoration: none;
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(3, 51, 102, 0.3) !important;
}

/* Active: pressione */
.nav-cta:active {
  transform: translateY(0);
  box-shadow: 0 2px 4px rgba(3, 51, 102, 0.2) !important;
}

/* Focus tastiera */
.nav-cta:focus-visible {
  outline: 3px solid var(--focus, #0066cc) !important;
  outline-offset: 3px !important;
  border: none !important;
}

.nav-cta:focus:not(:focus-visible) {
  outline: none !important;
  border: none !important;
}

/* ============================================================================
   LAYOUT DESKTOP
   ============================================================================ */

@media (min-width: 1200px) {
  .header-container {
    display: flex;
    align-items: center;
    gap: 2rem;
    padding: 0.75rem var(--section-inline-padding, 1rem);
  }
  
  .logo {
    flex-shrink: 0;
    width: 190px;
  }
  
  .primary-navigation {
    flex: 1;
    display: flex;
    justify-content: center;
    align-items: center;
    margin: 0 2rem;
  }
  
  .menu {
    flex-direction: row;
    align-items: center;
    justify-content: flex-start;
    gap: 1.25rem;
    padding: 0;
    margin: 0;
  }
  
  .menu > li {
    flex-direction: row;
    position: relative;
  }
  
  .menu > li > a {
    padding: 0.75rem 0.9rem;
    white-space: nowrap;
  }
  
  /* Underline animata */
  .menu > li > a::after {
    content: "";
    display: block;
    height: 2px;
    background-color: var(--nav-fg);
    position: absolute;
    left: 0.75rem;
    right: 0.75rem;
    bottom: 0.5rem;
    transform: scaleX(0);
    transition: transform 0.3s ease;
  }
  
  .menu > li > a:hover::after,
  .menu > li > a[aria-current="page"]::after {
    transform: scaleX(1);
  }
  
  /* Submenu hover - background unificato */
  .has-submenu:hover > a,
  .has-submenu:hover > .submenu-toggle {
    background: rgba(14,43,87,.06);
  }
  
  .has-submenu > a[aria-current="page"],
  .has-submenu > a[aria-current="page"] + .submenu-toggle {
    background: rgba(14,43,87,.08);
  }
  
  .has-submenu > a {
    border-top-left-radius: .5rem;
    border-bottom-left-radius: .5rem;
    border-top-right-radius: 0;
    border-bottom-right-radius: 0;
  }
  
  .has-submenu > .submenu-toggle {
    border-top-left-radius: 0;
    border-bottom-left-radius: 0;
    border-top-right-radius: .5rem;
    border-bottom-right-radius: .5rem;
  }
  
  /* CTA Desktop */
  .menu-cta {
    position: static;
    flex-shrink: 0;
    width: 190px;
    margin: 0 0 0 auto;
    padding: 0;
    border: 0;
    display: flex;
    justify-content: flex-end;
  }
  
  .nav-cta {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.6rem 1.2rem;
    white-space: nowrap;
    line-height: 1.5;
  }
  
  /* CTA Hover - NO underline */
  .menu-cta .nav-cta::after {
    display: none !important;
  }
  
  .menu-cta .nav-cta:hover,
  .menu-cta .nav-cta:focus-visible {
    box-shadow: 0 4px 12px rgba(0,0,0,.12);
  }
  
  /* Dropdown sottomenu */
  .submenu {
    position: absolute;
    left: 0;
    top: 100%;
    background: var(--nav-bg);
    border: 1px solid var(--nav-border);
    border-radius: 0.5rem;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.12);
    padding: 0.5rem;
    min-width: 240px;
    margin-top: 0.5rem;
    max-height: none;
    overflow: visible;
    opacity: 0;
    transform: translateY(-6px);
    pointer-events: none;
    transition: opacity 0.2s ease, transform 0.2s ease;
  }
  
  .has-submenu:hover .submenu,
  .has-submenu:focus-within .submenu {
    opacity: 1;
    transform: translateY(0);
    pointer-events: auto;
  }
  
  .has-submenu::after {
    content: "";
    position: absolute;
    left: 0;
    right: 0;
    top: 100%;
    height: 12px;
  }
  
  .submenu li {
    border-top: 0;
  }
  
  .submenu a {
    padding: 0.5rem 0.75rem;
    font-size: 1rem;
  }
  
  .has-submenu[aria-expanded="true"] .submenu-toggle {
    transform: none;
  }
  
  .mobile-menu-toggle {
    display: none;
  }
}

/* ============================================================================
   BREADCRUMB
   ============================================================================ */

.breadcrumb-container {
  padding: 0.65rem 0;
  background-color: var(--bc-bg);
  border-bottom: 1px solid rgba(0,0,0,.06);
  font-size: 0.875rem;
}

.breadcrumb,
.breadcrumb-list {
  display: flex;
  flex-wrap: wrap;
  list-style: none;
  margin: 0;
  padding: 0 1rem;
  gap: 0.5rem;
}

.breadcrumb-item {
  display: inline-flex;
  align-items: center;
  color: var(--bc-text);
}

.breadcrumb-item:not(:last-child)::after {
  content: "›";
  margin-left: 0.5rem;
  color: var(--bc-sep);
}

.breadcrumb a {
  color: var(--bc-link);
  text-decoration: none;
  transition: color 0.2s ease;
}

.breadcrumb a:hover {
  color: var(--bc-link-hover);
  text-decoration: underline;
}

.breadcrumb [aria-current="page"] {
  color: var(--bc-text);
  font-weight: 600;
}

@media (max-width: 768px) {
  .breadcrumb-container {
    padding: 0.5rem 0;
    font-size: 0.8rem;
  }
}

/* ============================================================================
   QUICK NAV
   ============================================================================ */

.quick-nav,
.secondary-nav {
  margin: 2rem auto;
}

.quick-nav-container,
.secondary-nav-container {
  background-color: #ffffff;
  border-radius: 8px;
  box-shadow: 0 2px 12px rgba(0, 0, 0, 0.08);
  padding: 1rem;
}

.quick-nav-list,
.secondary-nav-list {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  list-style: none;
  margin: 0;
  padding: 0;
  gap: 0.75rem;
}

.quick-nav-item,
.secondary-nav-item,
.quick-nav-list a,
.secondary-nav-list a {
  border-radius: 30px;
  color: var(--primary-color, #036);
  display: inline-block;
  font-size: 0.9rem;
  font-weight: 600;
  padding: 0.5rem 1.25rem;
  text-decoration: none;
  transition: transform 0.15s ease, background-color 0.15s ease;
  border: 1px solid rgba(0,0,0,.1);
  background: #fff;
}

.quick-nav-item:hover,
.secondary-nav-item:hover,
.quick-nav-list a:hover,
.secondary-nav-list a:hover {
  background-color: var(--bg-light, #f5f9fc);
  transform: translateY(-1px);
}

@media (max-width: 768px) {
  .quick-nav-list,
  .secondary-nav-list {
    flex-direction: column;
  }

  .quick-nav-item,
  .secondary-nav-item,
  .quick-nav-list a,
  .secondary-nav-list a {
    text-align: center;
    width: 100%;
  }
}

/* ============================================================================
   UTILITIES
   ============================================================================ */

body.menu-open {
  overflow: hidden;
}

.primary-navigation.is-open a:focus-visible,
.primary-navigation.is-open button:focus-visible {
  outline: 3px solid var(--focus, #0066cc);
  outline-offset: 2px;
}

/* ============================================================================
   FINE navigation-overlay.css v2.4 FIXED
   ============================================================================ */