/*
 * DII site shell presentation (P2-WP-07 DII Homepage Composition; header and
 * footer reworked in Approved-Design Conformance): base type, skip link, the
 * two-row header, primary navigation and the footer framework. Site-wide, so
 * it is loaded on every template; the homepage sections live in
 * dii-homepage.css.
 *
 * Every rule is scoped under `.dii-site` (added to <body> by the theme) so DII
 * presentation outranks the GeneratePress base without !important.
 *
 * Only DII tokens (dii-tokens.css) and, where present, the shared Foundation
 * tokens are used, and every Foundation reference carries a fallback so the
 * shell stays usable when the packaged Foundation CSS is absent. Tints and
 * on-dark text are derived from the approved brand values with color-mix();
 * no new brand colour, no external font and no font file: Inter is named by
 * the DII font stack and falls back to the system stack.
 */

*,
*::before,
*::after {
  box-sizing: border-box;
}

body.dii-site {
  margin: 0;
  color: var(--dii-color-text-primary);
  background: white;
  font-family: var(--dii-font-family-base);
  font-size: var(--cdi-font-size-body, 1rem);
  line-height: var(--cdi-line-height-body, 1.5);
  -webkit-font-smoothing: antialiased;
}

.dii-site img,
.dii-site svg {
  max-width: 100%;
}

.dii-site a {
  color: var(--dii-color-link);
}

.dii-site a:focus-visible,
.dii-site main:focus-visible,
.dii-site input:focus-visible,
.dii-site button:focus-visible {
  outline: 2px solid var(--dii-color-focus);
  outline-offset: 2px;
}

.dii-site .skip-link {
  position: absolute;
  top: 0;
  left: 0;
  padding: var(--cdi-spacing-sm, 0.5rem) var(--cdi-spacing-md, 1rem);
  transform: translateY(-100%);
  color: var(--dii-color-brand-primary);
  background: white;
  font-weight: 700;
}

.dii-site .skip-link:focus {
  transform: translateY(0);
  z-index: 100;
}

/* Header: brand and utility row, then the navigation row */
.dii-site .site-header {
  background: white;
  border-bottom: 1px solid var(--dii-color-border-subtle);
}

.dii-site .site-header__inner,
.dii-site .site-footer__inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: var(--cdi-spacing-sm, 0.5rem) var(--cdi-spacing-lg, 1.5rem);
  max-width: var(--cdi-grid-max-content-width, 75rem);
  margin: 0 auto;
  padding: var(--cdi-spacing-md, 1rem);
}

.dii-site .site-header__top .site-header__inner {
  padding-top: var(--cdi-spacing-md, 1rem);
  padding-bottom: var(--cdi-spacing-md, 1rem);
}

.dii-site .site-branding__link {
  color: var(--dii-color-brand-primary);
  font-size: var(--cdi-font-size-h4, 1.5rem);
  font-weight: 800;
  letter-spacing: -0.02em;
  text-decoration: none;
}

.dii-site .site-header__actions {
  display: flex;
  align-items: center;
  gap: var(--cdi-spacing-md, 1rem);
  margin: 0 0 0 auto;
  padding: 0;
  list-style: none;
}

.dii-site .site-header__action {
  display: inline-flex;
  align-items: center;
  min-height: 2.75rem;
  color: var(--dii-color-brand-primary);
  font-weight: 600;
  text-decoration: none;
}

.dii-site a.site-header__action--subscribe {
  padding: 0 var(--cdi-spacing-lg, 1.5rem);
  border-radius: 0.375rem;
  color: white;
  background: var(--dii-color-brand-secondary);
}

.dii-site .site-header__nav {
  border-top: 1px solid var(--dii-color-border-subtle);
  background: white;
}

.dii-site .site-header__nav .site-header__inner {
  padding-top: 0;
  padding-bottom: 0;
}

.dii-site .site-header nav ul,
.dii-site .site-footer nav ul {
  display: flex;
  flex-wrap: wrap;
  gap: 0 var(--cdi-spacing-xl, 2rem);
  margin: 0;
  padding: 0;
  list-style: none;
}

.dii-site .site-header nav a {
  display: inline-flex;
  align-items: center;
  min-height: 3rem;
  border-bottom: 3px solid transparent;
  color: var(--dii-color-brand-primary);
  font-size: var(--cdi-font-size-body-small, 0.875rem);
  font-weight: 600;
  text-decoration: none;
}

.dii-site .site-header nav a:hover {
  border-bottom-color: var(--dii-color-brand-secondary);
  color: var(--dii-color-brand-secondary);
}

.dii-site .site-header nav a[aria-current='page'] {
  border-bottom-color: var(--dii-color-brand-secondary);
  color: var(--dii-color-brand-secondary);
}

/* Menu toggle: shown only when the navigation script is running */
.dii-site .site-menu-toggle {
  display: inline-flex;
  align-items: center;
  gap: var(--cdi-spacing-sm, 0.5rem);
  min-height: 2.75rem;
  padding: 0 var(--cdi-spacing-md, 1rem);
  border: 1px solid var(--dii-color-border-subtle);
  border-radius: 0.375rem;
  color: var(--dii-color-brand-primary);
  background: white;
  font: inherit;
  font-weight: 600;
  cursor: pointer;
}

.dii-site .site-menu-toggle[hidden] {
  display: none;
}

.dii-site .site-menu-toggle__icon,
.dii-site .site-menu-toggle__icon::before,
.dii-site .site-menu-toggle__icon::after {
  display: block;
  width: 1.125rem;
  height: 0.125rem;
  border-radius: 0.125rem;
  background: currentcolor;
}

.dii-site .site-menu-toggle__icon {
  position: relative;
}

.dii-site .site-menu-toggle__icon::before,
.dii-site .site-menu-toggle__icon::after {
  content: '';
  position: absolute;
  left: 0;
}

.dii-site .site-menu-toggle__icon::before {
  top: -0.3125rem;
}

.dii-site .site-menu-toggle__icon::after {
  top: 0.3125rem;
}

/* Footer: a dark institutional framework */
.dii-site .site-footer {
  margin-top: 0;
  border: 0;
  color: color-mix(in srgb, white 82%, var(--dii-color-brand-primary));
  background: var(--dii-color-brand-primary);
}

.dii-site .site-footer__inner {
  align-items: flex-start;
  gap: var(--cdi-spacing-xl, 2rem) var(--cdi-spacing-3xl, 4rem);
  padding-top: var(--cdi-spacing-2xl, 3rem);
  padding-bottom: var(--cdi-spacing-2xl, 3rem);
}

.dii-site .site-footer__name {
  margin: 0;
  color: white;
  font-size: var(--cdi-font-size-h4, 1.5rem);
  font-weight: 800;
  letter-spacing: -0.02em;
}

.dii-site .site-footer__tagline {
  margin: var(--cdi-spacing-sm, 0.5rem) 0 0;
  color: color-mix(in srgb, white 82%, var(--dii-color-brand-primary));
}

.dii-site .site-footer__nav {
  display: flex;
  flex-wrap: wrap;
  gap: var(--cdi-spacing-xl, 2rem) var(--cdi-spacing-3xl, 4rem);
}

.dii-site .site-footer__title {
  margin: 0 0 var(--cdi-spacing-md, 1rem);
  color: color-mix(in srgb, var(--dii-color-brand-secondary) 45%, white);
  font-size: var(--cdi-font-size-body-small, 0.875rem);
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.dii-site .site-footer nav ul {
  flex-direction: column;
  gap: 0;
}

.dii-site .site-footer nav a {
  display: inline-block;
  padding: var(--cdi-spacing-xs, 0.25rem) 0;
  min-height: 2.25rem;
  color: white;
  font-size: var(--cdi-font-size-body-small, 0.875rem);
  text-decoration: none;
}

.dii-site .site-footer nav a:hover {
  text-decoration: underline;
}

.dii-site .site-footer a:focus-visible {
  outline-color: color-mix(in srgb, var(--dii-color-brand-secondary) 45%, white);
}

.dii-site .site-footer__meta {
  border-top: 1px solid color-mix(in srgb, white 16%, transparent);
}

.dii-site .site-footer__meta ul {
  display: flex;
  flex-wrap: wrap;
  gap: var(--cdi-spacing-md, 1rem) var(--cdi-spacing-lg, 1.5rem);
  max-width: var(--cdi-grid-max-content-width, 75rem);
  margin: 0 auto;
  padding: var(--cdi-spacing-md, 1rem);
  list-style: none;
}

.dii-site .site-footer__meta a {
  color: white;
}

/* Small screens: the navigation collapses behind the menu button once the script runs */
@media (min-width: 64rem) {
  .dii-site .site-menu-toggle {
    display: none;
  }

  .dii-site .site-footer nav ul {
    display: grid;
    grid-auto-flow: column;
    grid-template-rows: repeat(3, auto);
    column-gap: var(--cdi-spacing-xl, 2rem);
  }
}

@media (max-width: 63.99rem) {
  .dii-site .site-header__top .site-header__inner {
    display: grid;
    grid-template-columns: auto minmax(0, 1fr) auto;
    grid-template-areas:
      'brand search actions'
      'toggle toggle toggle';
    align-items: center;
    gap: var(--cdi-spacing-md, 1rem);
  }

  .dii-site .site-header__top .site-header__inner:not(:has(.site-header__actions)) {
    grid-template-areas:
      'brand search search'
      'toggle toggle toggle';
  }

  .dii-site .site-branding {
    grid-area: brand;
  }

  .dii-site .site-header .site-search {
    grid-area: search;
    max-width: none;
    margin: 0;
  }

  .dii-site .site-header__actions {
    grid-area: actions;
    margin: 0;
  }

  .dii-site .site-header .site-menu-toggle {
    grid-area: toggle;
    width: 100%;
    justify-content: flex-start;
  }

  .dii-site .site-header .site-logo {
    max-width: 18rem;
  }

  .dii-site .site-footer nav ul {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    column-gap: var(--cdi-spacing-lg, 1.5rem);
  }

  .dii-js .dii-site .site-header__nav,
  .dii-js.dii-site .site-header__nav {
    display: none;
  }

  .dii-js .dii-site .site-header__nav.is-open,
  .dii-js.dii-site .site-header__nav.is-open {
    display: block;
  }

  .dii-site .site-header nav ul {
    flex-direction: column;
    gap: 0;
  }

  .dii-site .site-header nav a {
    width: 100%;
    min-height: 2.75rem;
    border-bottom: 1px solid var(--dii-color-border-subtle);
  }

  .dii-site .site-header nav li:last-child a {
    border-bottom: 0;
  }
}

@media (max-width: 47.99rem) {
  .dii-site .site-header__top .site-header__inner {
    padding-top: var(--cdi-spacing-md, 1rem);
  }

  .dii-site .site-header__top .site-header__inner {
    grid-template-columns: minmax(0, 1fr) auto;
    grid-template-areas:
      'brand brand'
      'search actions'
      'toggle toggle';
  }

  .dii-site .site-header__top .site-header__inner:not(:has(.site-header__actions)) {
    grid-template-areas:
      'brand brand'
      'search search'
      'toggle toggle';
  }

  .dii-site .site-header .site-logo {
    max-width: 22rem;
  }

  .dii-site .site-branding {
    flex-wrap: wrap;
  }

  .dii-site .site-branding__link {
    font-size: var(--cdi-font-size-h5, 1.25rem);
  }

  .dii-site .site-footer__inner {
    flex-direction: column;
  }
}

/* Screen-reader-only text (GeneratePress also defines this class; DII does not rely on it) */
.dii-site .screen-reader-text {
  position: absolute;
  width: 0.0625rem;
  height: 0.0625rem;
  margin: -0.0625rem;
  overflow: hidden;
  clip-path: inset(50%);
}

/* Brand: the approved logo asset when present, otherwise the text identity */
.dii-site .site-branding {
  display: flex;
  align-items: center;
  gap: var(--cdi-spacing-sm, 0.5rem);
  min-width: 0;
}

.dii-site .site-branding__link--logo {
  display: block;
  line-height: 0;
}

.dii-site .site-logo {
  display: block;
  width: 100%;
  max-width: 22rem;
  height: auto;
}

.dii-site .site-environment {
  padding: 0.125rem 0.5rem;
  border: 1px solid var(--dii-color-border-subtle);
  border-radius: 62.4375rem;
  color: var(--dii-color-text-secondary);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  line-height: 1.4;
}

/* Header search: WordPress-native GET form, no script */
.dii-site .site-search {
  position: relative;
  flex: 1 1 20rem;
  max-width: 28rem;
  margin: 0 auto;
}

.dii-site .site-search__input {
  width: 100%;
  min-height: 2.75rem;
  padding: 0 3rem 0 var(--cdi-spacing-md, 1rem);
  border: 1px solid var(--dii-color-border-subtle);
  border-radius: 0.375rem;
  color: var(--dii-color-text-primary);
  background: white;
  font: inherit;
  -webkit-appearance: none;
  appearance: none;
}

.dii-site .site-search__input::placeholder {
  color: var(--dii-color-text-secondary);
  opacity: 1;
}

.dii-site .site-search__button {
  position: absolute;
  top: 0;
  right: 0;
  bottom: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 2.75rem;
  padding: 0;
  border: 0;
  border-radius: 0 0.375rem 0.375rem 0;
  color: var(--dii-color-brand-primary);
  background: transparent;
  cursor: pointer;
}

.dii-site .site-search__icon {
  display: block;
  width: 1.25rem;
  height: 1.25rem;
}

.dii-site .site-search__icon svg {
  display: block;
  width: 100%;
  height: 100%;
}

/* Search results (native search, minimal listing) */
.dii-site .dii-search {
  max-width: var(--cdi-grid-max-content-width, 75rem);
  margin: 0 auto;
  padding: var(--cdi-spacing-2xl, 3rem) var(--cdi-spacing-md, 1rem);
}

.dii-site .dii-search__title {
  margin: 0 0 var(--cdi-spacing-xl, 2rem);
  color: var(--dii-color-brand-primary);
  font-size: var(--cdi-font-size-h2, 2.25rem);
  font-weight: 800;
  letter-spacing: -0.02em;
  line-height: 1.1;
}

.dii-site .dii-search__list {
  display: grid;
  gap: 0;
  max-width: 48rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

.dii-site .dii-search__item {
  padding: var(--cdi-spacing-md, 1rem) 0;
  border-top: 1px solid var(--dii-color-border-subtle);
}

.dii-site .dii-search__item-title {
  margin: 0;
  font-size: var(--cdi-font-size-h5, 1.25rem);
  font-weight: 700;
  line-height: 1.3;
}

.dii-site .dii-search__item-title a {
  color: var(--dii-color-brand-primary);
  text-decoration: none;
}

.dii-site .dii-search__item-title a:hover {
  color: var(--dii-color-brand-secondary);
  text-decoration: underline;
}

.dii-site .dii-search__item-meta {
  margin: 0.25rem 0 0;
  color: var(--dii-color-text-secondary);
  font-size: var(--cdi-font-size-body-small, 0.875rem);
}

.dii-site .dii-search__item-excerpt {
  margin: 0.5rem 0 0;
  color: var(--dii-color-text-secondary);
}

.dii-site .dii-search__empty {
  margin: 0;
  color: var(--dii-color-text-secondary);
}
