/* Zi Vital — global responsive header v2
 * Keeps the approved desktop header intact and fixes the mobile/tablet shell.
 * Scope: header/navigation only. No page content, commerce cards or landing layouts.
 */

@media (max-width: 980px) {
  .act-header {
    z-index: 120 !important;
    padding: 8px 0 !important;
  }

  .act-header .act-container {
    width: min(calc(100% - 20px), 1120px) !important;
    max-width: none !important;
  }

  .act-header__inner {
    display: grid !important;
    grid-template-columns: minmax(0, 1fr) auto auto !important;
    grid-template-areas: "brand actions menu" !important;
    grid-template-rows: 56px !important;
    align-items: center !important;
    gap: 8px !important;
    min-height: 0 !important;
    height: auto !important;
    padding: 0 10px !important;
    border-radius: 20px !important;
    overflow: visible !important;
  }

  .act-brand {
    grid-area: brand !important;
    grid-column: auto !important;
    grid-row: auto !important;
    min-width: 0 !important;
    width: auto !important;
    max-width: 82px !important;
    align-self: center !important;
    justify-self: start !important;
  }

  .act-brand__logo,
  .act-brand__logo img,
  .act-brand__img {
    display: block !important;
    width: auto !important;
    max-width: 76px !important;
    max-height: 32px !important;
    object-fit: contain !important;
  }

  .act-brand__mark {
    font-size: 29px !important;
    line-height: 1 !important;
  }

  .act-header__actions {
    grid-area: actions !important;
    grid-column: auto !important;
    grid-row: auto !important;
    display: flex !important;
    align-items: center !important;
    justify-content: flex-end !important;
    gap: 6px !important;
    min-width: 0 !important;
    width: auto !important;
    white-space: nowrap !important;
    visibility: visible !important;
    opacity: 1 !important;
  }

  .act-header__actions .act-btn {
    display: inline-flex !important;
    align-items: center !important;
    justify-content: center !important;
    min-width: 72px !important;
    min-height: 38px !important;
    height: 38px !important;
    padding: 0 12px !important;
    margin: 0 !important;
    font-size: 8.5px !important;
    line-height: 1 !important;
    letter-spacing: .045em !important;
    visibility: visible !important;
    opacity: 1 !important;
    position: static !important;
  }

  .act-cart {
    display: inline-flex !important;
    align-items: center !important;
    justify-content: center !important;
    gap: 5px !important;
    min-width: 40px !important;
    width: auto !important;
    min-height: 38px !important;
    height: 38px !important;
    padding: 0 8px !important;
    margin: 0 !important;
    border: 1px solid rgba(184,141,51,.18) !important;
    border-radius: 999px !important;
    background: rgba(255,255,255,.86) !important;
    visibility: visible !important;
    opacity: 1 !important;
    position: static !important;
  }

  .act-cart__icon,
  .act-cart__icon svg {
    width: 16px !important;
    height: 16px !important;
    flex: 0 0 16px !important;
  }

  .act-cart b {
    min-width: 18px !important;
    width: 18px !important;
    height: 18px !important;
    font-size: 8px !important;
    line-height: 18px !important;
  }

  .act-menu-toggle {
    grid-area: menu !important;
    grid-column: auto !important;
    grid-row: auto !important;
    display: grid !important;
    place-items: center !important;
    justify-self: end !important;
    align-self: center !important;
    width: 42px !important;
    min-width: 42px !important;
    height: 42px !important;
    min-height: 42px !important;
    padding: 0 !important;
    margin: 0 !important;
    border: 1px solid rgba(184,141,51,.18) !important;
    border-radius: 14px !important;
    background: rgba(255,255,255,.82) !important;
    z-index: 125 !important;
  }

  .act-menu-toggle span:not(.screen-reader-text) {
    position: absolute !important;
    display: block !important;
    width: 20px !important;
    height: 1px !important;
    margin: 0 !important;
    background: var(--act-text) !important;
    transition: transform .22s ease, opacity .22s ease !important;
  }

  .act-menu-toggle span:not(.screen-reader-text):first-child {
    transform: translateY(-4px) !important;
  }

  .act-menu-toggle span:not(.screen-reader-text):nth-child(2) {
    transform: translateY(4px) !important;
  }

  .act-menu-toggle[aria-expanded="true"] span:not(.screen-reader-text):first-child {
    transform: rotate(45deg) !important;
  }

  .act-menu-toggle[aria-expanded="true"] span:not(.screen-reader-text):nth-child(2) {
    transform: rotate(-45deg) !important;
  }

  .act-nav {
    display: none !important;
    position: absolute !important;
    z-index: 122 !important;
    top: calc(100% + 8px) !important;
    left: 0 !important;
    right: 0 !important;
    width: 100% !important;
    max-height: calc(100dvh - 92px) !important;
    overflow-y: auto !important;
    overflow-x: hidden !important;
    overscroll-behavior: contain !important;
    flex-direction: column !important;
    align-items: stretch !important;
    gap: 2px !important;
    padding: 10px !important;
    border: 1px solid rgba(184,141,51,.18) !important;
    border-radius: 20px !important;
    background: rgba(255,253,249,.99) !important;
    box-shadow: 0 22px 60px rgba(65,47,30,.16) !important;
    backdrop-filter: blur(20px) !important;
  }

  .act-nav.is-open {
    display: flex !important;
  }

  .act-nav__item,
  .act-nav__link {
    width: 100% !important;
    min-width: 0 !important;
  }

  .act-nav__link {
    display: flex !important;
    align-items: center !important;
    justify-content: space-between !important;
    min-height: 46px !important;
    padding: 10px 12px !important;
    border-radius: 12px !important;
    white-space: normal !important;
    text-align: left !important;
  }

  /* Mobile megamenus behave like real accordions instead of rendering all content open. */
  .act-mega,
  .act-mega--clinical,
  .act-mega--treatments {
    display: none !important;
    position: static !important;
    inset: auto !important;
    width: 100% !important;
    max-height: none !important;
    margin: 2px 0 8px !important;
    padding: 14px !important;
    transform: none !important;
    grid-template-columns: 1fr !important;
    gap: 14px !important;
    border-radius: 16px !important;
    box-shadow: none !important;
    background: #fffaf4 !important;
  }

  .act-mega.is-open,
  .act-mega--clinical.is-open,
  .act-mega--treatments.is-open {
    display: grid !important;
  }

  .act-mega__intro {
    padding: 0 0 12px !important;
    border-right: 0 !important;
    border-bottom: 1px solid var(--act-line) !important;
  }

  .act-mega__domains,
  .act-mega__treatment-cols {
    grid-template-columns: 1fr !important;
    gap: 10px !important;
    padding-top: 10px !important;
  }

  .act-mega__domain,
  .act-mega__treatment-cols > div {
    padding: 10px !important;
  }

  .act-mega__all {
    grid-column: 1 !important;
    margin-top: 6px !important;
  }
}

@media (max-width: 560px) {
  .act-header {
    padding: 6px 0 !important;
  }

  .act-header .act-container {
    width: calc(100% - 14px) !important;
  }

  .act-header__inner {
    grid-template-columns: minmax(44px,1fr) auto auto !important;
    grid-template-rows: 52px !important;
    gap: 5px !important;
    padding: 0 7px !important;
    border-radius: 18px !important;
  }

  .act-brand {
    max-width: 66px !important;
  }

  .act-brand__logo,
  .act-brand__logo img,
  .act-brand__img {
    max-width: 62px !important;
    max-height: 28px !important;
  }

  .act-header__actions {
    gap: 5px !important;
  }

  .act-header__actions .act-btn {
    min-width: 66px !important;
    min-height: 36px !important;
    height: 36px !important;
    padding: 0 9px !important;
    font-size: 7.8px !important;
  }

  .act-cart {
    min-width: 36px !important;
    min-height: 36px !important;
    height: 36px !important;
    padding: 0 7px !important;
  }

  .act-menu-toggle {
    width: 38px !important;
    min-width: 38px !important;
    height: 38px !important;
    min-height: 38px !important;
    border-radius: 12px !important;
  }

  .act-nav {
    top: calc(100% + 6px) !important;
    max-height: calc(100dvh - 80px) !important;
    padding: 8px !important;
    border-radius: 18px !important;
  }
}

@media (max-width: 360px) {
  .act-header__inner {
    gap: 4px !important;
    padding-inline: 6px !important;
  }

  .act-brand {
    max-width: 54px !important;
  }

  .act-brand__logo,
  .act-brand__logo img,
  .act-brand__img {
    max-width: 52px !important;
  }

  .act-header__actions .act-btn {
    min-width: 61px !important;
    padding-inline: 7px !important;
    font-size: 7.4px !important;
  }

  .act-cart {
    min-width: 34px !important;
    padding-inline: 6px !important;
  }

  .act-cart b {
    display: none !important;
  }
}