/* ─── Navigation ─────────────────────────────────────────────────────────── */

.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  width: 100%;
  background-color: var(--color-nav-bg);
  backdrop-filter: blur(16px) saturate(140%);
  -webkit-backdrop-filter: blur(16px) saturate(140%);
  border-bottom: 1px solid var(--color-card-border);
  height: var(--nav-height);
  transition: background-color 250ms ease, border-color 250ms ease, backdrop-filter 250ms ease;
}

.nav--scrolled {
  background-color: var(--color-nav-bg);
  backdrop-filter: blur(16px) saturate(140%);
  -webkit-backdrop-filter: blur(16px) saturate(140%);
  border-bottom: 1px solid var(--color-card-border);
}

.nav__inner {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: calc(var(--nav-height) - 1px);
  padding-inline: var(--padding-nav);
  max-width: calc(var(--max-content) + var(--padding-page) * 2);
  margin-inline: auto;
  width: 100%;
}

/* Logo */

.nav__logo {
  height: 46px;
  width: auto;
  flex-shrink: 0;
}

/* Nav links */

.nav__links {
  display: flex;
  align-items: center;
  gap: 28px;
  list-style: none;
  position: absolute;
  left: 50%;
  transform: translateX(-50%);
}

.nav__link {
  font-family: var(--font-body);
  font-size: 15px;
  font-weight: 700;
  line-height: 23.25px;
  color: var(--color-text-dark);
  opacity: 0.85;
  white-space: nowrap;
  transition: opacity 150ms ease;
}

.nav__link:hover {
  opacity: 1;
}

/* CTA button in nav (smaller variant) */

.nav__cta {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background-color: var(--color-blue);
  color: var(--color-bg);
  font-family: var(--font-body);
  font-size: var(--size-label);
  font-weight: 800;
  line-height: var(--lh-label);
  padding: 12px 20px;
  border-radius: var(--radius-pill);
  border: 2px solid transparent;
  box-shadow: var(--shadow-btn-sm);
  white-space: nowrap;
  transition: var(--transition-tab);
  flex-shrink: 0;
}

.nav__cta:hover {
  background-color: var(--color-blue-deep);
}

/* Mobile hamburger (shown < 768px) */

.nav__hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 8px;
}

.nav__hamburger span {
  display: block;
  width: 22px;
  height: 2px;
  background-color: var(--color-dark);
  border-radius: 2px;
  transition: transform 200ms ease, opacity 200ms ease;
}

/* State-specific nav links (hidden by default, shown via JS) */

.nav__links--aziende   { display: flex; }
.nav__links--dipendenti { display: none; }
.nav__links--pet       { display: none; }

.page-shell[data-state="dipendenti"] .nav__links--aziende   { display: none; }
.page-shell[data-state="dipendenti"] .nav__links--dipendenti { display: flex; }

.page-shell[data-state="pet-services"] .nav__links--aziende { display: none; }
.page-shell[data-state="pet-services"] .nav__links--pet     { display: flex; }

/* Responsive nav:
   when horizontal space is tight, keep only logo + CTA */
@media (max-width: 1200px) {
  .nav__links {
    display: none !important;
  }

  .nav__hamburger {
    display: none;
  }
}

/* Extra-small phones: scale logo proportionally (no squish) */
@media (max-width: 360px) {
  .nav__logo {
    width: clamp(120px, 38vw, 150px);
    height: auto;
  }
}