/* ============================================
   SITE HEADER
============================================ */
.site-header {
  background: var(--color-primary);
  border-bottom: 1px solid rgba(255, 255, 255, 0.16);
  padding-block: 1rem;
  width: 100%;
  position: relative;
  z-index: 10;
}

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

.site-header, .site-header a, .site-header button,
.logo-fallback, .search-btn, .social-link, .menu-toggle, .menu-link {
  color: var(--color-on-primary);
}

/* Logo */
.site-header__logo-area {
  display: flex;
  justify-content: flex-start;
  min-width: 0;
}

.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%;
}

/* Menu area — destra su desktop */
.site-header__menu-area {
  display: flex;
  justify-content: flex-end;
}

/* Actions */
.site-header__actions {
  display: flex; justify-content: flex-end; align-items: center;
  gap: var(--spacing-sm);
  margin-left: clamp(1rem, 2vw, 2rem);
}

/* Social */
.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: 2.2rem; height: 2.2rem;
  border: 1.5px solid rgba(255, 255, 255, 0.35);
  border-radius: 999px;
  background: transparent;
  transition: background 0.25s ease, border-color 0.25s ease, transform 0.25s ease;
  flex-shrink: 0;
}

.social-link svg {
  width: 1.1rem; height: 1.1rem;
  fill: currentColor;
  display: block;
  flex-shrink: 0;
}

.social-link:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: rgba(255, 255, 255, 0.65);
  transform: translateY(-1px);
}

/* Search */
.search-btn {
  appearance: none; border: 0; background: transparent;
  cursor: pointer; display: inline-flex; align-items: center; justify-content: center;
  width: 2.6rem; height: 2.6rem;
  transition: opacity 0.2s ease, transform 0.2s ease;
  flex-shrink: 0;
}

.search-btn svg { width: 2rem; height: 2rem; display: block; stroke-width: 2; }
.search-btn:hover { opacity: 0.7; transform: scale(1.08); }

@media (min-width: 992px) { .search-btn { margin-right: 10px; } }

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

/* ============================================
   MOBILE HEADER (≤ 1299px)
============================================ */
@media (max-width: 1299px) {
  .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; }

  .main-nav.is-open .menu-toggle { color: var(--color-primary); }

  .menu-list {
    background: rgba(0, 23, 50, 0.96);
  }

  .menu-link { color: var(--color-on-primary); }
  .menu-link:hover {
    color: var(--color-on-primary);
    background-color: rgba(255, 255, 255, 0.12);
  }
  .menu-link.active {
    color: var(--color-primary);
    background-color: var(--color-on-primary);
  }
}

/* ============================================
   MAIN NAV / MENU
============================================ */
.main-nav { position: relative; z-index: 2000; }

.menu-toggle {
  appearance: none; background: none; border: none;
  cursor: pointer; padding: var(--spacing-xs);
  z-index: 3001; display: inline-flex; align-items: center; justify-content: center;
  line-height: 1; transition: color 0.3s ease, transform 0.3s ease;
}
.menu-toggle:hover { transform: scale(1.08); }

.menu-list { list-style: none; margin: 0; padding: 0; transition: all 0.35s ease; }

.menu-link {
  position: relative; display: inline-block;
  padding: 0.5rem 0.6rem; text-decoration: none;
  font-size: 0.95rem; font-weight: 500; letter-spacing: 0.02em;
  transition: color 0.3s ease, transform 0.3s ease;
}
.menu-link::after {
  content: ''; position: absolute; bottom: 4px;
  left: 12px; right: 12px; height: 2px;
  transform: scaleX(0); transform-origin: left; transition: transform 0.3s ease;
}
.menu-link:hover::after, .menu-link.active::after { transform: scaleX(1); }

@media (max-width: 1299px) {
  .main-nav { position: relative; z-index: 3001; }

  .menu-toggle { position: relative; z-index: 3002; }

  .main-nav.is-open .menu-toggle {
    position: fixed; top: 18px; right: 20px; z-index: 9999;
    color: rgba(255,255,255,0.9);
  }

  .main-nav.is-open .menu-toggle__close {
    width: 2.2rem; height: 2.2rem;
  }

  .menu-list {
    position: fixed; inset: 0;
    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 { width: 100%; text-align: center; }

  .menu-link {
    font-size: 1.6rem; font-weight: 600; padding: 0.5rem 1rem; border-radius: 8px;
  }
  .menu-link::after { display: none; }
}

@media (min-width: 1300px) {
  .menu-toggle { display: none; }

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

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