/* Tab Navigation Styles */

.site-header {
  background: var(--color-back, #1c1b2d);
  padding: 1rem 0;
  padding-bottom: 0;
  position: relative;
  z-index: 10;
}

.site-header .inner {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  flex-wrap: wrap;
  gap: 1rem;
}

.site-header__logo {
  display: block;
  text-decoration: none;
  padding-bottom: 1rem;
  margin-left: 1.5rem;
}

.site-header__logo img {
  height: 2rem;
  width: auto;
  display: block;
}

.site-header__logo:hover {
  opacity: 0.8;
}

/* Tab Navigation (desktop) */
.tab-nav {
  display: flex;
}

.tab-nav__list {
  display: flex;
  list-style: none;
  margin: 0;
  padding: 0;
  gap: 0;
  flex-wrap: wrap;
  line-height: 0;
}

.tab-nav__item {
  margin: 0;
  margin-left: -40px;
}

.tab-nav__item:first-child {
  margin-left: 0;
}

.tab-nav__link {
  display: block;
  padding: 0.8rem 5rem;
  color: #888;
  text-decoration: none;
  font-family: var(--font-main, 'Atkinson Hyperlegible Next', sans-serif);
  font-weight: 700;
  background: var(--color-tabs, #282842);
  clip-path: polygon(20px 0, calc(100% - 20px) 0, 100% 100%, 0 100%);
  transition: background-color 0.2s, color 0.2s;
  position: relative;
  font-size: 0.95rem;
  line-height: 1;
}

.tab-nav__link--active {
  background: var(--color-main, #333254);
  color: var(--color-white, #fff);
  font-weight: bold;
}

.tab-nav__item:has(.tab-nav__link--active) {
  z-index: 1;
}

/* --- Mobile menu elements: desktop defaults --- */
.mobilemenu__page {
  display: none;
}

.mobilemenu__page--active {
  display: block;
}

.mobilemenu__page--active .mobilemenu__tab {
  display: none;
}

.mobilemenu__body--active {
  background: var(--color-main, #333254);
}

/* ============================================================
   MOBILE / TABLET (<=768px): Mobile Menu Navigation
   ============================================================ */
@media (max-width: 768px) {

  body {
    padding-top: 1rem;
  }

  /* --- Header: zero-height, logo floats over cards --- */
  .site-header {
    position: relative;
    height: 0;
    overflow: visible;
    z-index: calc(var(--card-total, 5) + 2);
    padding: 0;
    background: transparent;
  }

  .site-header .inner {
    flex-direction: row;
    align-items: flex-start;
    justify-content: space-between;
    gap: 0;
    overflow: visible;
  }

  .site-header__logo {
    margin-left: 0.75rem;
    padding-top: 0.15rem;
    padding-bottom: 0;
    flex-shrink: 0;
  }

  .site-header__logo img {
    height: 1.1rem;
  }

  /* --- Hide desktop tab list on mobile --- */
  .tab-nav__list {
    display: none;
  }

  /* --- Card-nav container --- */
  .mobilemenu {
    --card-reveal: 55px;
    --tab-label-h: 40px;
    --anim-duration: 300ms;
    --anim-easing: cubic-bezier(0.4, 0, 0.2, 1);

    position: relative;
    width: 100%;
    display: block;
    overflow: visible;
    transition: padding-top var(--anim-duration) var(--anim-easing);
  }

  /* --- Each card (non-active) --- */
  .mobilemenu__page {
    display: flex;
    flex-direction: column;
    align-items: flex-end;
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    box-sizing: border-box;
    transition: transform var(--anim-duration) var(--anim-easing);
    transform: translateY(var(--card-offset, 0));
    z-index: calc(var(--card-total, 5) - var(--card-index, 0));
    pointer-events: none;
    filter: none;
  }

  /* Active card is in flow, contains page content */
  .mobilemenu__page--active {
    display: flex;
    flex-direction: column;
    align-items: flex-end;
    position: relative;
    z-index: calc(var(--card-total, 5) + 1);
    pointer-events: auto;
    filter: drop-shadow(0 0 1.5px var(--color-border, #84847c));
  }

  /* When menu is open, all cards are clickable and get shadows */
  .mobilemenu--open .mobilemenu__page {
    pointer-events: auto;
    filter: drop-shadow(0 0 1.5px var(--color-border, #84847c));
  }

  /* --- Tab label (protruding parallelogram) --- */
  .mobilemenu__tab {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    width: 10rem;
    margin-right: 0.75rem;
    height: var(--tab-label-h);
    padding: 0 1.2rem;
    font-family: var(--font-main, 'Atkinson Hyperlegible Next', sans-serif);
    font-weight: 700;
    font-size: 1rem;
    text-align: center;
    text-decoration: none;
    color: var(--color-white, #fff);
    background: var(--color-tabs, #282842);
    clip-path: polygon(14px 0, calc(100% - 14px) 0, 100% 100%, 0 100%);
    cursor: pointer;
    white-space: nowrap;
    box-sizing: border-box;
    border: none;
  }

  .mobilemenu__page--active .mobilemenu__tab {
    display: flex;
    background: var(--color-main, #333254);
  }

  /* --- Menu/close icon in active tab --- */
  .mobilemenu__icon {
    display: none;
    flex-shrink: 0;
    font-size: 20px;
  }

  .mobilemenu__page--active .mobilemenu__icon-menu {
    display: block;
  }

  .mobilemenu__page--active .mobilemenu__icon-close {
    display: none;
  }

  .mobilemenu--open .mobilemenu__page--active .mobilemenu__icon-menu {
    display: none;
  }

  .mobilemenu--open .mobilemenu__page--active .mobilemenu__icon-close {
    display: block;
  }

  /* --- Card body (non-active): fixed height strip --- */
  .mobilemenu__body {
    width: 100%;
    height: 100vh;
    background: var(--color-tabs, #282842);
    margin-top: -1px;
  }

  /* --- Active card body: IS the main content area --- */
  .mobilemenu__body--active {
    width: 100%;
    height: auto;
    background: var(--color-main, #333254);
    margin-top: -1px;
  }

  /* --- Navigating card: rises to top --- */
  .mobilemenu__page--navigating {
    transition: transform 200ms var(--anim-easing);
    transform: translateY(0) !important;
    z-index: calc(var(--card-total, 5) + 2) !important;
  }

  .mobilemenu__page--navigating .mobilemenu__tab {
    background: var(--color-main, #333254);
  }

  .mobilemenu__page--navigating .mobilemenu__body {
    background: var(--color-main, #333254);
  }
}