/** Global header and Drupal main menu, based on the supplied mockup. */
.op-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(255, 255, 255, .94);
  -webkit-backdrop-filter: blur(8px);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid rgba(31, 41, 51, .07);
}

.op-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 72px;
  gap: 28px;
}

.op-header__brand { flex: 0 0 auto; }
.op-header__brand .block { margin: 0; }
.op-header__brand .contextual { display: none; }

.op-branding__link {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--op-brand);
  text-decoration: none;
}
.op-branding__logo {
  display: block;
  width: auto;
  max-width: 320px;
  height: 54px;
  object-fit: contain;
}
.op-branding__mark { display: none; }
.op-branding__name { display: none; }
.op-branding__slogan { display: none; }

.op-header__navigation {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 30px;
  min-width: 0;
}
.op-header__menu .block,
.op-header__menu nav { margin: 0; }
.op-header__menu h2 { display: none; }

.op-main-nav__list,
.op-main-nav__submenu {
  margin: 0;
  padding: 0;
  list-style: none;
}
.op-main-nav__list {
  display: flex;
  align-items: center;
  gap: 2rem;
}
.op-main-nav__item { position: relative; }
.op-main-nav__link {
  display: block;
  padding: .4em 0;
  border-bottom: 2px solid transparent;
  font-family: var(--op-font-display);
  font-size: .95rem;
  font-weight: 500;
  color: var(--op-ink);
  text-decoration: none;
  white-space: nowrap;
  transition: border-color .15s ease, color .15s ease;
}
.op-main-nav__link:hover,
.op-main-nav__link:focus-visible,
.op-main-nav__link.is-active,
.op-main-nav__item.is-active-trail > .op-main-nav__link {
  color: var(--op-brand-dark);
  border-color: var(--op-brand);
}
.op-main-nav__link:focus-visible {
  outline: 3px solid color-mix(in srgb, var(--op-brand) 40%, transparent);
  outline-offset: 5px;
  border-radius: 2px;
}

.op-main-nav__submenu {
  position: absolute;
  top: calc(100% + 10px);
  left: -18px;
  min-width: 220px;
  padding: 12px 18px;
  background: var(--op-surface);
  border: 1px solid rgba(31, 41, 51, .08);
  border-radius: var(--op-radius);
  box-shadow: var(--op-shadow-hover);
  opacity: 0;
  visibility: hidden;
  transform: translateY(-5px);
  transition: opacity .15s ease, transform .15s ease, visibility .15s ease;
}
.op-main-nav__item:hover > .op-main-nav__submenu,
.op-main-nav__item:focus-within > .op-main-nav__submenu {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}
.op-main-nav__submenu .op-main-nav__link {
  padding: .55rem 0;
  border-bottom: 0;
}

.op-header__cta { flex: none; }
.op-nav-toggle { display: none; }

@media (max-width: 960px) {
  .op-header__inner {
    min-height: 68px;
    gap: 16px;
  }
  .op-nav-toggle {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    margin-left: auto;
    padding: .65rem .8rem;
    border: 1px solid rgba(31, 41, 51, .15);
    border-radius: 999px;
    background: var(--op-surface);
    color: var(--op-ink);
    font: 600 .9rem/1 var(--op-font-display);
    cursor: pointer;
  }
  .op-nav-toggle__icon {
    display: grid;
    gap: 4px;
    width: 18px;
  }
  .op-nav-toggle__icon span {
    display: block;
    width: 100%;
    height: 2px;
    border-radius: 2px;
    background: currentColor;
    transition: transform .18s ease, opacity .18s ease;
  }
  .op-nav-toggle[aria-expanded="true"] .op-nav-toggle__icon span:nth-child(1) { transform: translateY(6px) rotate(45deg); }
  .op-nav-toggle[aria-expanded="true"] .op-nav-toggle__icon span:nth-child(2) { opacity: 0; }
  .op-nav-toggle[aria-expanded="true"] .op-nav-toggle__icon span:nth-child(3) { transform: translateY(-6px) rotate(-45deg); }

  .op-header__navigation {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    display: none;
    align-items: stretch;
    flex-direction: column;
    gap: 18px;
    padding: 22px 24px 26px;
    background: rgba(255, 255, 255, .98);
    border-bottom: 1px solid rgba(31, 41, 51, .08);
    box-shadow: var(--op-shadow);
  }
  .op-header.is-menu-open .op-header__navigation { display: flex; }
  .op-main-nav__list { align-items: stretch; flex-direction: column; gap: 0; }
  .op-main-nav__link { padding: .75rem 0; }
  .op-main-nav__submenu {
    position: static;
    min-width: 0;
    padding: 0 0 0 18px;
    border: 0;
    border-radius: 0;
    box-shadow: none;
    opacity: 1;
    visibility: visible;
    transform: none;
  }
  .op-header__cta { align-self: flex-start; }
}

@media (max-width: 480px) {
  .op-branding__logo { max-width: 250px; height: 42px; }
  .op-branding__name { display: none; }
  .op-nav-toggle__label { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }
}

@media (prefers-reduced-motion: reduce) {
  .op-main-nav__link,
  .op-main-nav__submenu,
  .op-nav-toggle__icon span { transition: none; }
}