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

.site-header {
  background: #fff;
  border-bottom: 1px solid #ddd;
  padding-block: 1rem;
  width: 100%;
  position: relative;
  z-index: 10;
}

.site-header__inner {
  width: 100%;
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  gap: var(--spacing-md);
  padding-inline: clamp(1.25rem, 3vw, 3rem);
}

/* ── Colonna 1: Logo (sinistra) ── */
.site-header__logo-area {
  display: flex;
  justify-content: flex-start;
}

.logo-link {
  display: inline-flex;
  align-items: center;
  text-decoration: none;
  line-height: 0;
}

.site-logo {
  display: block;
  height: 50px;
  width: auto;
  max-width: 100%;
}

.logo-fallback {
  font-weight: 600;
  font-size: 1.1rem;
  color: var(--color-heading);
}

/* ── Colonna 2: Menu (centro) ── */
.site-header__menu-area {
  display: flex;
  justify-content: center;
}

.main-nav {
  position: relative;
  z-index: 2000;
}

.menu-list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.menu-item {
  display: inline-block;
}

.menu-link {
  position: relative;
  display: inline-block;
  padding: 0.5rem var(--spacing-md);
  text-decoration: none;
  color: var(--color-text);
  font-weight: 500;
  letter-spacing: 0.02em;
  transition: color 0.3s ease;
}

.menu-link::after {
  content: '';
  position: absolute;
  bottom: 4px;
  left: 12px;
  right: 12px;
  height: 2px;
  background: var(--color-primary);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.3s ease;
}

.menu-link:hover,
.menu-link.active {
  color: var(--color-primary);
}

.menu-link:hover::after,
.menu-link.active::after {
  transform: scaleX(1);
}

/* ── Toggle hamburger (nascosto su desktop) ── */
.menu-toggle {
  appearance: none;
  background: none;
  border: none;
  cursor: pointer;
  color: var(--color-text);
  padding: var(--spacing-xs);
  display: none;
  align-items: center;
  justify-content: center;
  gap: 5px;
  flex-direction: column;
  line-height: 1;
  z-index: 3002;
  transition: color 0.3s ease;
}

.menu-toggle:hover {
  color: var(--color-primary);
}

.menu-toggle__bar {
  display: block;
  width: 24px;
  height: 2px;
  background: currentColor;
  border-radius: 2px;
  transition: transform 0.3s ease, opacity 0.3s ease;
}

/* ── Colonna 3: Social + Search (destra) ── */
.site-header__actions {
  display: flex;
  justify-content: flex-end;
  align-items: center;
  gap: var(--spacing-sm);
}

.social-container {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  margin-right: 5px;
}

.social-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 1.9rem;
  height: 1.9rem;
  color: var(--color-primary);
  border: 1px solid currentColor;
  border-radius: 999px;
  text-decoration: none;
  transition: opacity 0.25s ease, transform 0.25s ease;
}

.social-link svg {
  width: 0.95rem;
  height: 0.95rem;
}

.social-link:hover {
  opacity: 0.75;
  transform: translateY(-1px);
}

.search-btn {
  appearance: none;
  border: 0;
  background: transparent;
  color: var(--color-text);
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 4px;
  transition: opacity 0.2s ease, transform 0.2s ease;
}

.search-btn:hover {
  opacity: 0.7;
  transform: scale(1.08);
}

/* ── Skip link ── */
.skip-link {
  position: absolute;
  top: -100%;
  left: 1rem;
  z-index: 9999;
  padding: 0.6rem 1.2rem;
  background: var(--color-primary);
  color: #fff;
  font-size: 0.9rem;
  font-weight: 600;
  border-radius: 0 0 0.5rem 0.5rem;
  text-decoration: none;
  transition: top 0.15s ease;
}
.skip-link:focus { top: 0; }

/* =============================================
   MOBILE ≤1199px
============================================= */

@media (max-width: 1199px) {
  .site-header__inner {
    grid-template-columns: 1fr auto auto;
    grid-template-areas: 'logo actions menu';
  }

  .site-header__logo-area { grid-area: logo; }
  .site-header__actions   { grid-area: actions; }
  .site-header__menu-area { grid-area: menu; justify-content: flex-end; }

  .site-logo { height: 40px; }

  /* Mostra il toggle */
  .menu-toggle {
    display: inline-flex;
    position: relative;
    z-index: 3002;
  }

  /* Quando il menu è aperto, il toggle diventa fisso in alto a destra */
  .main-nav.is-open .menu-toggle {
    position: fixed;
    top: 18px;
    right: 20px;
    z-index: 4001;
  }

  /* Overlay mobile — sull'ul, non sull'intera nav */
  .menu-list {
    position: fixed;
    inset: 0;
    background: rgba(255, 255, 255, 0.94);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 1.8rem;
    z-index: 4000;

    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    transform: translateY(-10px);
    transition: opacity 0.4s ease, transform 0.4s ease, visibility 0.4s ease;
  }

  .menu-list.menu-open {
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
    transform: translateY(0);
  }

  .menu-item {
    display: block;
    width: 100%;
    text-align: center;
  }

  .menu-link {
    font-size: 1.6rem;
    font-weight: 600;
    color: var(--color-text);
    padding: 0.5rem 1rem;
    border-radius: 8px;
  }

  .menu-link:hover {
    color: var(--color-primary);
    background-color: rgba(0, 0, 128, 0.06);
  }

  .menu-link.active {
    color: #fff;
    background-color: var(--color-primary);
  }

  .menu-link::after { display: none; }
}

@media (min-width: 1200px) {
  .menu-toggle { display: none; }

  .menu-list {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    background: none;
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
    transform: none;
  }
}