.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  border-bottom: 1px solid var(--border);
  background: color-mix(in srgb, var(--bg) 92%, transparent);
  backdrop-filter: blur(12px);
}

.header-content {
  padding: 0 1rem;
}

.header-inner {
  display: flex;
  min-height: 82px;
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 var(--pad3);
  align-items: center;
  gap: 30px;
  border-left: 1px solid var(--border);
  border-right: 1px solid var(--border);
}

.site-logo {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--heading);
  text-decoration: none;
  white-space: nowrap;
}

.logo-mark {
  display: inline-grid;
  width: 34px;
  height: 34px;
  place-items: center;
  border-radius: 10px;
  background: none;
  color: #fff;
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 700;
}

.logo-text {
  font-family: var(--font-mono);
  font-size: 18px;
}

.main-navigation {
  width: 100%;
}

.menu {
  display: flex;
  align-items: center;
  width: 100%;
  margin: 0;
  padding: 0;
  list-style: none;
  gap: 2px;
}

.menu a {
  display: block;
  padding: 13px 10px;
  color: var(--text);
  font-family: var(--font-mono);
  font-size: 15px;
  letter-spacing: 0.02em;
  text-decoration: none;
}

.menu a:hover {
  color: var(--heading);
}

.menu-item-right {
  margin-left: auto;
}

.contact-sales a,
.menu-button a {
  margin: 11px 0 12px;
  padding: 11px 18px 12px;
  border: 1px solid var(--border);
  border-radius: 999px;
  line-height: 1;
}

.contact-sales a {
  background: var(--surface);
}

.menu-button a {
  background: var(--primary);
  color: #fff;
  background-image: linear-gradient(#ffffff1a, #0000 35%);
}

.menu-toggle {
  display: none;
  margin-left: auto;
  padding: 12px;
  border: 0;
  background: transparent;
  cursor: pointer;
}

.menu-bar,
.menu-bar::before {
  display: block;
  width: 20px;
  height: 2px;
  border-radius: 999px;
  background: var(--heading);
  transition: transform 0.2s ease, top 0.2s ease;
}

.menu-bar {
  position: relative;
}

.menu-bar::before {
  content: "";
  position: absolute;
  top: -8px;
  left: 0;
}

@media (max-width: 1103px) {
  .header-inner {
    padding: 0 var(--pad2);
  }

  .menu-toggle {
    display: block;
    position: relative;
    z-index: 30;
  }

  .main-navigation {
    display: none;
  }

  /* Il backdrop-filter dell'header lo rende containing block dei figli fixed:
     con il menu aperto va disattivato, altrimenti il pannello viene confinato
     nel riquadro della barra invece di coprire il viewport. */
  body.menu-is-open .site-header {
    backdrop-filter: none;
    background: var(--bg);
  }

  /* Il pannello parte sotto la barra: logo e pulsante di chiusura restano visibili. */
  .main-navigation.toggled-on {
    position: fixed;
    inset: 82px 0 0;
    display: block;
    overflow-y: auto;
    padding: 1.5rem var(--pad2) 2.5rem;
    background: var(--bg);
    border-top: 1px solid var(--border);
    z-index: 25;
  }

  .main-navigation.toggled-on .menu {
    align-items: stretch;
    flex-direction: column;
    gap: 2px;
  }

  .main-navigation.toggled-on a {
    padding: 14px 0;
    color: var(--text);
    font-size: 18px;
  }

  .main-navigation.toggled-on .menu-item-right {
    margin-left: 0;
    margin-top: 0.5rem;
    padding-top: 0.75rem;
    border-top: 1px solid var(--border);
  }

  /* Le CTA restano pulsanti anche nel pannello: la gerarchia non si perde. */
  .main-navigation.toggled-on .contact-sales,
  .main-navigation.toggled-on .menu-button {
    margin-top: 0.75rem;
  }

  .main-navigation.toggled-on .contact-sales a,
  .main-navigation.toggled-on .menu-button a {
    margin: 0;
    padding: 14px 18px;
    text-align: center;
  }

  /* Con il menu aperto il banner cookie non deve galleggiarci sopra. */
  body.menu-is-open .cookie-banner {
    display: none;
  }

  .menu-toggle[aria-expanded="true"] .menu-bar {
    transform: rotate(45deg);
  }

  .menu-toggle[aria-expanded="true"] .menu-bar::before {
    top: 0;
    transform: rotate(90deg);
  }

  body.menu-is-open {
    overflow: hidden;
  }
}