/**
 * POL — navbar pubblica allineata a POL Building & Design (28/09).
 * Token: Navy / Sand / Terracotta · focus outline misurato (R-157).
 * Consumata da pol-public-head + rafforzata da pol-public-nav-menu.php.
 */

nav {
  background: rgba(247, 243, 235, 0.94);
  background: color-mix(in srgb, var(--pol-bg-main, var(--pol-bg-primary, #f7f3eb)) 92%, transparent);
  -webkit-backdrop-filter: blur(12px);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--pol-border, rgba(27, 42, 74, 0.12));
}

nav .nav-links a {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 2.35rem;
  padding: 0.45rem 0.55rem;
  font-family: var(--pol-font-body, var(--font-body, Arimo, 'Jost', sans-serif));
  font-size: 0.68rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  line-height: 1;
  white-space: nowrap;
  text-decoration: none;
  color: var(--pol-text-secondary, #5c6578);
  border-radius: 0.35rem;
  background: transparent;
  transition:
    color 0.28s ease,
    background 0.28s ease,
    box-shadow 0.28s ease,
    transform 0.28s cubic-bezier(0.22, 1, 0.36, 1);
}

nav .nav-links a::after {
  content: "";
  position: absolute;
  left: 0.55rem;
  right: 0.55rem;
  bottom: 0.28rem;
  height: 1.5px;
  background: var(--pol-accent, var(--terra, #c4663a));
  transform: scaleX(0);
  transform-origin: left center;
  transition: transform 0.28s ease;
  pointer-events: none;
}

nav .nav-links a:hover,
nav .nav-links a:focus-visible,
nav .nav-links a.active {
  color: var(--pol-navy, #1b2a4a);
  background: color-mix(in srgb, var(--pol-bg-card, #f2ebdd) 88%, var(--pol-navy, #1b2a4a) 12%);
  box-shadow: 0 8px 18px rgba(27, 42, 74, 0.12);
  transform: translateY(-2px);
}

nav .nav-links a:focus-visible {
  outline: 2px solid var(--pol-navy, #1b2a4a);
  outline-offset: 2px;
}

nav .nav-links a:hover::after,
nav .nav-links a:focus-visible::after,
nav .nav-links a.active::after {
  transform: scaleX(1);
}

nav .nav-links a.active {
  font-weight: 600;
}

.pol-nav-tools .lang-switcher > summary.lang-current {
  font-family: var(--pol-font-body, var(--font-body, Arimo, 'Jost', sans-serif));
  font-size: 0.68rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 0.45rem 0.75rem;
  color: var(--pol-text-secondary, #5c6578);
  border-radius: 0.35rem;
}

.pol-nav-tools .lang-dropdown a {
  font-size: 0.8rem;
  font-weight: 500;
}

.pol-nav-auth a,
.pol-nav-auth .pol-nav-auth-btn,
nav .nav-cta,
nav a.pol-btn.nav-cta {
  font-family: var(--pol-font-body, var(--font-body, Arimo, 'Jost', sans-serif));
  font-size: 0.68rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  min-height: 2.35rem;
  padding: 0.65rem 1.1rem;
  border-radius: 0.35rem;
  border: 1px solid var(--pol-navy, #1b2a4a);
  background: var(--pol-navy, #1b2a4a);
  color: var(--pol-text-light, #f7f3eb);
  box-shadow: none;
  transition:
    background 0.28s ease,
    border-color 0.28s ease,
    box-shadow 0.28s ease,
    transform 0.28s cubic-bezier(0.22, 1, 0.36, 1);
}

.pol-nav-auth a:hover,
.pol-nav-auth .pol-nav-auth-btn:hover,
nav .nav-cta:hover,
nav a.pol-btn.nav-cta:hover {
  background: var(--pol-navy-soft, #2e4a7d);
  border-color: var(--pol-navy-soft, #2e4a7d);
  color: var(--pol-text-light, #f7f3eb);
  box-shadow: 0 10px 22px rgba(27, 42, 74, 0.2);
  transform: translateY(-2px);
}

.pol-nav-auth a:focus-visible,
.pol-nav-auth .pol-nav-auth-btn:focus-visible,
nav .nav-cta:focus-visible,
nav a.pol-btn.nav-cta:focus-visible {
  outline: 2px solid var(--pol-navy, #1b2a4a);
  outline-offset: 2px;
}

.pol-nav-auth-dd > summary {
  font-size: 0.8rem;
  min-width: 2.35rem;
}

.pol-nav-auth-dd-panel a {
  font-size: 0.8rem;
  letter-spacing: 0.08em;
}

@media (prefers-reduced-motion: reduce) {
  nav .nav-links a,
  .pol-nav-auth a,
  .pol-nav-auth .pol-nav-auth-btn,
  nav .nav-cta,
  nav a.pol-btn.nav-cta {
    transition: color 0.15s ease, background 0.15s ease, border-color 0.15s ease;
    transform: none !important;
  }

  nav .nav-links a:hover,
  nav .nav-links a:focus-visible,
  .pol-nav-auth a:hover,
  nav .nav-cta:hover {
    transform: none !important;
    box-shadow: none;
  }
}

@media (max-width: 1024px) {
  /* No backdrop-filter on mobile nav: it traps position:fixed .nav-links in the strip */
  nav {
    backdrop-filter: none !important;
    -webkit-backdrop-filter: none !important;
    filter: none !important;
    background: #F2EBDD !important;
  }

  nav .nav-links a {
    justify-content: flex-start;
    min-height: 2.75rem;
    padding: 0.65rem 0.85rem;
    font-size: 0.75rem;
    transform: none;
  }

  nav .nav-links a:hover,
  nav .nav-links a:focus-visible,
  nav .nav-links a.active {
    transform: none;
    box-shadow: none;
  }

  .nav-links,
  .nav-links.open,
  .nav-mobile-menu {
    backdrop-filter: none !important;
    -webkit-backdrop-filter: none !important;
    filter: none !important;
    background: #F2EBDD !important;
  }

  .nav-links.open,
  .nav-mobile-menu {
    position: fixed !important;
    top: 0 !important;
    left: 0 !important;
    right: 0 !important;
    bottom: 0 !important;
    width: 100vw !important;
    height: 100dvh !important;
    min-height: 100vh !important;
    z-index: 10050 !important;
    overflow-x: hidden !important;
    overflow-y: auto !important;
  }

  .nav-hamburger,
  .nav-hamburger.open {
    position: relative;
    z-index: 10060;
  }
}

/* Servizi → sottomenu divisioni (Building, Legal, Recruitment, Sailing, Shipping) */
.nav-links {
  overflow: visible !important;
}

.nav-has-sub {
  position: relative;
}

.nav-has-sub > summary {
  list-style: none;
  cursor: pointer;
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 2.35rem;
  padding: 0.45rem 0.55rem;
  font-family: var(--pol-font-body, var(--font-body, Arimo, 'Jost', sans-serif));
  font-size: 0.68rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--pol-text-secondary, #5c6578);
  border-radius: 0.35rem;
  background: transparent;
}

.nav-has-sub > summary::-webkit-details-marker {
  display: none;
}

.nav-has-sub[open] > summary,
.nav-has-sub > summary:hover,
.nav-has-sub > summary:focus-visible,
.nav-has-sub.is-active > summary {
  color: var(--pol-navy, #1b2a4a);
  background: color-mix(in srgb, var(--pol-bg-card, #f2ebdd) 88%, var(--pol-navy, #1b2a4a) 12%);
}

.nav-has-sub > summary:focus-visible {
  outline: 2px solid var(--pol-navy, #1b2a4a);
  outline-offset: 2px;
}

.nav-sub {
  list-style: none;
  margin: 0;
  padding: 0.4rem;
  min-width: 14rem;
  background: var(--pol-bg-card, #f2ebdd);
  border: 1px solid var(--pol-border, rgba(27, 42, 74, 0.12));
  border-radius: 0.4rem;
  box-shadow: 0 12px 28px rgba(27, 42, 74, 0.14);
}

@media (min-width: 901px) {
  .nav-sub {
    position: absolute;
    top: calc(100% + 0.35rem);
    left: 0;
    z-index: 200;
  }
}

.nav-sub a {
  justify-content: flex-start;
  min-height: 2.2rem;
  font-size: 0.72rem;
  transform: none;
  box-shadow: none;
}

.nav-sub a::after {
  display: none;
}