:root {
  --alphaopen-brand-frame: linear-gradient(135deg, #05152f, #0c2f62);
}

.visually-hidden {
  position: absolute !important;
  width: 1px !important;
  height: 1px !important;
  padding: 0 !important;
  margin: -1px !important;
  overflow: hidden !important;
  clip: rect(0 0 0 0) !important;
  white-space: nowrap !important;
  border: 0 !important;
}

.app-header,
.site-footer {
  background: var(--alphaopen-brand-frame);
}

.app-header {
  height: 82px;
  border-bottom: 0;
  color: #fff;
  backdrop-filter: none;
}

.site-footer {
  margin-bottom: 0;
  border-top: 0;
  border-bottom: 0;
}

.brand-button {
  flex: 0 0 auto;
  border-radius: 11px;
  background: #fff;
  padding: 5px 10px;
  box-shadow: 0 7px 20px rgba(0, 0, 0, .18);
}

.brand-button img {
  width: 108px;
  height: 52px;
  object-fit: contain;
}

.header-tagline {
  margin-left: -18px;
  color: #fff;
  font-size: .84rem;
  font-weight: 750;
  white-space: nowrap;
}

.footer-brand button {
  width: fit-content;
  justify-self: center;
}

.footer-brand img {
  margin-inline: auto;
}

.footer-social {
  display: grid;
  align-content: start;
  justify-items: start;
}

.app-header .desktop-nav > button,
.app-header .nav-menu > summary {
  color: #dce7f8;
}

.app-header .desktop-nav > button:hover,
.app-header .nav-menu > summary:hover,
.app-header .nav-menu[open] > summary {
  background: rgba(255, 255, 255, .14);
  color: #fff;
}

.app-header .desktop-nav > button.active {
  background: #fff;
  color: var(--navy);
}

.app-header .nav-menu.active > summary {
  background: #fff;
  color: var(--navy);
}

.app-header .nav-menu > div button {
  color: var(--ink);
}

.app-header .nav-menu > div button:hover,
.app-header .nav-menu > div button.active {
  background: #edf3fb;
  color: var(--blue);
}

.app-header .menu-button {
  color: #fff;
}

@media (max-width: 900px) {
  .app-header {
    height: 88px;
  }

  .app-header .brand-button {
    position: absolute;
    top: 7px;
    left: 50%;
    margin: 0;
    transform: translateX(-50%);
  }

  .header-tagline {
    display: block;
    position: absolute;
    top: 64px;
    left: 50%;
    margin: 0;
    transform: translateX(-50%);
    font-size: .68rem;
    line-height: 1;
  }

  .brand-button img {
    width: 94px;
    height: 44px;
  }
}

@media (max-width: 640px) {
  .brand-button {
    padding: 4px 8px;
  }

  .brand-button img {
    width: 86px;
    height: 40px;
  }

  .header-tagline {
    top: 60px;
  }

  .footer-social {
    justify-items: center;
  }

  .footer-social .facebook-mark {
    margin-inline: auto;
  }
}