/* ==========================================================================
   Header v1.1 — settaggi.md §6 "Header / CTA"
   Mobile (base): logo + pulsante telefonico circolare.
   Desktop (≥ 40em): logo + telefono + CTA «Prenota la consulenza».
   Non sticky. Una sola variante di controlli visibile e tabbabile per volta
   (le varianti nascoste usano display:none, quindi escluse da tastiera e AT).
   ========================================================================== */

.site-header {
  background-color: var(--color-surface);
  border-bottom: 1px solid var(--color-border);
}

.site-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  max-width: var(--container-max);
  margin-inline: auto;
  padding: 4px var(--gutter);
}

/* Logo originale intero: nessun ritaglio, filtro o deformazione */
.site-header__logo {
  flex: none;
  width: 88px;
  height: auto;
}

.site-header__actions {
  display: flex;
  align-items: center;
  gap: 24px;
}

.site-header__icon {
  display: block;
  flex: none;
  width: 1.25em;
  height: 1.25em;
}

/* ---------- Mobile: pulsante telefonico circolare ---------- */
.site-header__call {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background-color: var(--color-primary);
  color: var(--color-surface);
  font-size: 24px; /* dimensione icona: 1.25em = 30px */
  transition: background-color 150ms ease;
}

.site-header__call:hover,
.site-header__call:active {
  background-color: var(--color-primary-hover);
}

.site-header__phone,
.site-header__cta {
  display: none;
}

/* ---------- Desktop ---------- */
@media (min-width: 40em) {
  .site-header__call {
    display: none;
  }

  .site-header__phone {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    min-height: 44px;
    color: var(--color-ink);
    font-size: 1.0625rem;
    font-weight: 600;
    text-decoration: none;
    white-space: nowrap;
    transition: color 150ms ease;
  }

  .site-header__phone .site-header__icon {
    color: var(--color-primary);
  }

  .site-header__phone:hover {
    color: var(--color-primary);
    text-decoration: underline;
    text-underline-offset: 4px;
  }

  .site-header__cta {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 48px;
    padding: 12px 24px;
    border-radius: 10px;
    background-color: var(--color-primary);
    color: var(--color-surface);
    font-size: 1rem;
    font-weight: 700;
    line-height: 1.2;
    text-decoration: none;
    white-space: nowrap;
    transition: background-color 150ms ease;
  }

  .site-header__cta:hover,
  .site-header__cta:active {
    background-color: var(--color-primary-hover);
  }
}