/**
 * Theme Components
 *
 * All reusable UI components. Each component block is self-contained.
 * Naming: .ei-[component]__[element]--[modifier]
 *
 * Components:
 *   - Navigation (sticky header, nav links, dropdowns, mobile)
 *   - Buttons (primary, ghost, text-link)
 *   - Cards (standard, navy fill, numbered)
 *   - Forms (standard, underline-only for Contact)
 *   - CTA sections (centered email form, dark navy)
 *   - Footer
 *   - TOC sidebar (About page)
 *   - Policy area rows (Research page alternating)
 *   - Pullquote (Research page)
 *   - Feature list items (Home Global Dialogue)
 *
 * @package EthicalInfrastructure
 */

/* ═══════════════════════════════════════════════════════════════════════════
   NAVIGATION
   ═══════════════════════════════════════════════════════════════════════════ */

.ei-header {
  position: sticky;
  top: 0;
  width: 100%;
  z-index: 9999;
  background-color: var(--color-background);
  border-bottom: 1px solid var(--color-outline-variant);
}

.ei-header__inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 20px var(--space-margin-desktop);
  height: 88px;
}

.ei-header__logo {
  display: flex;
  align-items: center;
  text-decoration: none;
  flex-shrink: 0;
}

.ei-header__logo img {
  height: 48px;
  width: auto;
  object-fit: contain;
}

/* Primary nav list — flex on desktop, hidden on mobile via media query */
.ei-nav {
  display: flex;
  align-items: center;
  gap: var(--space-4);
}

/* The <ul> rendered by wp_nav_menu() — must be flex for horizontal layout */
.ei-nav__list {
  display: flex;
  align-items: center;
  gap: var(--space-6);
  list-style: none;
  margin: 0;
  padding: 0;
}

.ei-nav-link {
  font-family: var(--font-body);
  font-size: var(--fs-label-caps);
  font-weight: var(--fw-semibold);
  letter-spacing: var(--ls-label);
  text-transform: uppercase;
  color: var(--color-on-surface-variant);
  text-decoration: none;
  padding-bottom: 4px;
  border-bottom: 2px solid transparent;
  transition: var(--transition-colors);
  white-space: nowrap;
  background: none;
  border-top: none;
  border-left: none;
  border-right: none;
  cursor: pointer;
}

.ei-nav-link:hover {
  color: var(--color-primary);
}

/* Active state — 2px bottom border */
.ei-nav-link--active,
.ei-nav-link.current-menu-item,
.ei-nav-item.current-menu-item > .ei-nav-link,
.ei-nav-item.current-menu-ancestor > .ei-nav-link {
  color: var(--color-primary);
  border-bottom-color: var(--color-primary);
}

/* Parent item with dropdown */
.ei-nav-item {
  position: relative;
}

.ei-nav-item--parent {
  display: flex;
  align-items: center;
}

/* Dropdown menu */
.ei-nav-dropdown {
  position: absolute;
  top: 100%;
  left: 0;
  margin-top: 0;
  min-width: 220px;
  background-color: var(--color-background);
  border: 1px solid var(--color-outline-variant);
  box-shadow: var(--shadow-dropdown);
  z-index: var(--z-dropdown);
  opacity: 0;
  visibility: hidden;
  transform: translateY(-4px);
  transition: opacity 0.25s ease, visibility 0.25s ease, transform 0.25s ease;
  padding: var(--space-1) 0;
  list-style: none;
}

.ei-nav-item:hover > .ei-nav-dropdown,
.ei-nav-item:focus-within > .ei-nav-dropdown,
.ei-nav-item.is-open > .ei-nav-dropdown {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.ei-nav-dropdown__link {
  display: block;
  padding: 12px 24px;
  font-family: var(--font-body);
  font-size: var(--fs-label-caps);
  font-weight: var(--fw-semibold);
  letter-spacing: var(--ls-label);
  text-transform: uppercase;
  color: var(--color-on-surface-variant);
  text-decoration: none;
  transition: var(--transition-colors);
}

.ei-nav-dropdown__link:hover {
  color: var(--color-primary);
  background-color: var(--color-surface-container);
}

/* Dropdown indicator icon */
.ei-nav-dropdown-icon {
  font-size: 16px;
  transition: transform 0.25s ease;
}

.ei-nav-item.is-open .ei-nav-dropdown-icon,
.ei-nav-item:hover .ei-nav-dropdown-icon {
  transform: rotate(180deg);
}

/* Mobile hamburger button */
.ei-nav-toggle {
  display: none; /* shown via tablet media query */
  flex-direction: column;
  justify-content: center;
  gap: 6px;
  width: 44px;
  height: 44px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
}

.ei-nav-toggle__bar {
  display: block;
  width: 24px;
  height: 2px;
  background-color: var(--color-primary);
  transition: var(--transition-soft);
  transform-origin: center;
}

.ei-nav-toggle[aria-expanded="true"] .ei-nav-toggle__bar:nth-child(1) {
  transform: translateY(8px) rotate(45deg);
}
.ei-nav-toggle[aria-expanded="true"] .ei-nav-toggle__bar:nth-child(2) {
  opacity: 0;
  transform: scaleX(0);
}
.ei-nav-toggle[aria-expanded="true"] .ei-nav-toggle__bar:nth-child(3) {
  transform: translateY(-8px) rotate(-45deg);
}

/* Mobile nav panel — fixed overlay that starts below the header bar */
.ei-nav-mobile {
  display: none;
  position: fixed;
  top: 72px; /* matches header height at tablet breakpoint */
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 9998;
  flex-direction: column;
  background-color: var(--color-background);
  padding: 48px var(--space-margin-desktop) 48px;
  gap: 0;
  overflow-y: auto;
  border-top: 1px solid var(--color-outline-variant);
}

.ei-nav-mobile.is-open {
  display: flex;
}

/* Close button — absolute X in top-right corner of the nav overlay */
.ei-nav-close {
  position: absolute;
  top: 16px;
  right: 20px;
  background: none;
  border: none;
  cursor: pointer;
  font-size: 2rem;
  line-height: 1;
  color: var(--color-primary);
  padding: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  transition: background 0.15s;
}

.ei-nav-close:hover {
  background: rgba(13,31,60,0.08);
}

.ei-nav-mobile__list {
  list-style: none;
  padding: 0;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  width: 100%;
  max-width: 480px;
}

.ei-nav-mobile__item {
  display: block;
  width: 100%;
}

.ei-nav-mobile__link {
  font-family: var(--font-display);
  font-size: 2.8rem;
  font-weight: var(--fw-bold);
  letter-spacing: -0.02em;
  text-transform: none;
  color: var(--color-primary);
  text-decoration: none;
  padding: 12px 0;
  display: block;
  line-height: 1.1;
  transition: opacity 0.15s, letter-spacing 0.15s;
  opacity: 0.85;
}

.ei-nav-mobile__link:hover,
.ei-nav-mobile__link--active {
  opacity: 1;
  letter-spacing: -0.01em;
}

.ei-nav-mobile__link--active {
  opacity: 1;
  color: var(--color-primary);
}

.ei-nav-mobile__sub {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  padding-left: var(--space-4);
}

.ei-nav-mobile__sub-link {
  font-family: var(--font-body);
  font-size: var(--fs-label-caps);
  font-weight: var(--fw-semibold);
  letter-spacing: var(--ls-label);
  text-transform: uppercase;
  color: var(--color-on-surface-variant);
  text-decoration: none;
  padding: var(--space-1) 0;
  transition: var(--transition-colors);
}
.ei-nav-mobile__sub-link:hover {
  color: var(--color-primary);
}

/* Scrolled state — added by JS after 80px scroll */
.ei-header--scrolled {
  box-shadow: 0 1px 0 var(--color-outline-variant);
}

/* ═══════════════════════════════════════════════════════════════════════════
   BUTTONS
   Zero border-radius. Two variants: primary (navy fill) and ghost (outline).
   ═══════════════════════════════════════════════════════════════════════════ */

.ei-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  font-family: var(--font-body);
  font-size: var(--fs-label-caps);
  font-weight: var(--fw-semibold);
  letter-spacing: var(--ls-label);
  text-transform: uppercase;
  text-decoration: none;
  border-radius: var(--radius); /* 0px */
  border: 1px solid transparent;
  cursor: pointer;
  transition: var(--transition-medium);
  padding: 20px 40px;
  line-height: 1;
  white-space: nowrap;
}

/* Primary: navy fill, ivory text */
.ei-btn--primary {
  background-color: var(--color-primary);
  color: var(--color-on-primary);
  border-color: var(--color-primary);
}

.ei-btn--primary:hover {
  opacity: 0.90;
  color: var(--color-on-primary);
}

/* Ghost: transparent fill, navy border and text */
.ei-btn--ghost {
  background-color: transparent;
  color: var(--color-primary);
  border-color: var(--color-primary);
}

.ei-btn--ghost:hover {
  background-color: var(--color-surface-container);
  color: var(--color-primary);
}

/* Ghost on navy background (used in Research dark CTA) */
.ei-btn--ghost-on-dark {
  background-color: transparent;
  color: var(--color-on-primary);
  border-color: rgba(250, 249, 247, 0.5);
}

.ei-btn--ghost-on-dark:hover {
  border-color: var(--color-on-primary);
  background-color: rgba(250, 249, 247, 0.1);
}

/* Text link button — no box, arrow icon */
.ei-btn--text {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-family: var(--font-body);
  font-size: var(--fs-label-caps);
  font-weight: var(--fw-bold);
  letter-spacing: var(--ls-label);
  text-transform: uppercase;
  color: var(--color-primary);
  background: none;
  border: none;
  padding: 0;
  cursor: pointer;
  text-decoration: none;
  transition: gap 0.3s ease, color 0.3s ease;
}

.ei-btn--text:hover {
  gap: var(--space-3);
}

/* Text link on navy background */
.ei-btn--text-on-dark {
  color: var(--color-on-primary);
}

/* Small button variant */
.ei-btn--sm {
  padding: 12px 24px;
  font-size: var(--fs-label-caps);
}

/* ═══════════════════════════════════════════════════════════════════════════
   CARDS
   Defined by 1px borders, no shadows. Square corners. Number labels.
   ═══════════════════════════════════════════════════════════════════════════ */

.ei-card {
  position: relative;
  background-color: var(--color-surface-container);
  border: 1px solid var(--color-outline-variant);
  padding: var(--space-card-padding);
  display: flex;
  flex-direction: column;
  height: 100%;
  transition: border-color 0.5s ease;
}

.ei-card:hover {
  border-color: var(--color-primary);
}

/* Navy fill card — used for featured card in Core Areas grid (Section 02) */
.ei-card--navy {
  background-color: var(--color-primary);
  color: var(--color-on-primary);
  border-color: var(--color-primary);
}

.ei-card--navy .ei-card__number {
  color: var(--color-on-primary-container);
}

.ei-card--navy .ei-card__title {
  color: var(--color-on-primary);
}

.ei-card--navy .ei-card__body {
  color: var(--color-on-primary-container);
}

.ei-card--navy .ei-btn--text {
  color: var(--color-on-primary);
}

/* Card elements */
.ei-card__number {
  font-family: var(--font-body);
  font-size: var(--fs-label-caps);
  font-weight: var(--fw-semibold);
  letter-spacing: var(--ls-label);
  text-transform: uppercase;
  color: var(--color-on-surface-variant);
  margin-bottom: var(--space-4);
  display: block;
}

.ei-card__title {
  font-family: var(--font-display);
  font-size: var(--fs-headline-lg);
  font-weight: var(--fw-semibold);
  line-height: var(--lh-headline-lg);
  color: var(--color-primary);
  margin-bottom: var(--space-3);
}

.ei-card__body {
  font-family: var(--font-body);
  font-size: var(--fs-body-md);
  line-height: var(--lh-body);
  color: var(--color-on-surface-variant);
  flex-grow: 1;
  margin-bottom: var(--space-5);
}

.ei-card__footer {
  margin-top: auto;
}

/* Cards grid — 3 equal columns */
.ei-cards-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-gutter);
}

/* Bento grid layout */
.ep-bento-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-gutter);
  align-items: stretch;
}

.ep-bento-feature {
  border: 1px solid var(--color-outline-variant);
  padding: var(--space-card-padding);
  display: flex;
  flex-direction: column;
}

.ep-bento-feature__footer {
  margin-top: auto;
  padding-top: 24px;
  border-top: 1px solid var(--color-outline-variant);
}

.ep-bento-feature__label {
  font-family: var(--font-body);
  font-size: var(--fs-label-tiny);
  font-weight: var(--fw-semibold);
  letter-spacing: var(--ls-label-tiny);
  text-transform: uppercase;
  color: var(--color-on-surface-variant);
}

.ep-bento-stack {
  display: flex;
  flex-direction: column;
  gap: var(--space-gutter);
}

/* Bento card */
.ep-bento-card,
.ei-bento-card {
  border: 1px solid var(--color-outline-variant);
  padding: var(--space-card-padding);
  display: flex;
  flex-direction: column;
  transition: border-color 0.3s ease;
  flex: 1;
}

.ep-bento-card h4 {
  color: var(--color-primary);
}

.ep-bento-card p {
  color: var(--color-on-surface-variant);
}

.ep-bento-card--navy,
.ei-bento-card--navy {
  background-color: var(--color-primary);
  border-color: var(--color-primary);
  color: var(--color-on-primary);
}

.ep-bento-card--navy h4,
.ep-bento-card--navy p {
  color: var(--color-on-primary) !important;
}

.ep-bento-card__footer-label,
.ei-bento-card__tag {
  font-family: var(--font-body);
  font-size: var(--fs-label-tiny);
  font-weight: var(--fw-semibold);
  letter-spacing: var(--ls-label-tiny);
  text-transform: uppercase;
  color: var(--color-on-surface-variant);
}

.ep-bento-card--navy .ep-bento-card__footer-label {
  color: rgba(255, 255, 255, 0.5);
}

.ep-bento-card__footer {
  margin-top: auto;
  padding-top: 24px;
  border-top: 1px solid var(--color-outline-variant);
}

.ep-bento-card--navy .ep-bento-card__footer {
  border-top-color: rgba(255, 255, 255, 0.12);
}

/* ═══════════════════════════════════════════════════════════════════════════
   FORMS — STANDARD (Home CTA inline email form)
   ═══════════════════════════════════════════════════════════════════════════ */

.ei-form-inline {
  display: flex;
  width: 100%;
  max-width: 640px;
  border: 1px solid var(--color-outline-variant);
  overflow: hidden;
}

.ei-form-inline__input {
  flex-grow: 1;
  background-color: #fff;
  border: none;
  padding: 20px 24px;
  font-family: var(--font-body);
  font-size: var(--fs-body-md);
  color: var(--color-on-surface);
  outline: none;
  border-radius: 0;
  -webkit-appearance: none;
}

.ei-form-inline__input::placeholder {
  color: var(--color-on-surface-variant);
  opacity: 0.6;
}

.ei-form-inline__input:focus {
  background-color: var(--color-surface-container-low);
}

.ei-form-inline__submit {
  background-color: var(--color-primary);
  color: var(--color-on-primary);
  border: none;
  padding: 20px 48px;
  font-family: var(--font-body);
  font-size: var(--fs-label-caps);
  font-weight: var(--fw-semibold);
  letter-spacing: var(--ls-label);
  text-transform: uppercase;
  cursor: pointer;
  border-radius: 0;
  flex-shrink: 0;
  transition: opacity 0.3s ease;
}

.ei-form-inline__submit:hover {
  opacity: 0.90;
}

/* ═══════════════════════════════════════════════════════════════════════════
   FORMS — UNDERLINE ONLY (Contact page)
   Minimal bottom-border style. No box. No background.
   ═══════════════════════════════════════════════════════════════════════════ */

.ei-form-underline {
  display: flex;
  flex-direction: column;
  gap: var(--space-5);
  width: 100%;
}

.ei-form-underline__group {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.ei-form-underline__label {
  font-family: var(--font-body);
  font-size: var(--fs-label-caps);
  font-weight: var(--fw-semibold);
  letter-spacing: var(--ls-label);
  text-transform: uppercase;
  color: var(--color-on-surface-variant);
  display: block;
}

.ei-form-underline__input,
.ei-form-underline__textarea {
  width: 100%;
  background: transparent;
  border: none;
  border-bottom: 1px solid var(--color-outline-variant);
  padding: 12px 0;
  font-family: var(--font-body);
  font-size: var(--fs-body-md);
  color: var(--color-on-surface);
  outline: none;
  border-radius: 0;
  -webkit-appearance: none;
  transition: border-color 0.3s ease;
}

.ei-form-underline__input::placeholder,
.ei-form-underline__textarea::placeholder {
  color: var(--color-outline-variant);
  opacity: 0.6;
}

.ei-form-underline__input:focus,
.ei-form-underline__textarea:focus {
  border-bottom-color: var(--color-primary);
}

.ei-form-underline__textarea {
  resize: none;
  min-height: 120px;
}

.ei-form-underline__submit {
  align-self: flex-start;
  margin-top: var(--space-4);
}

/* ═══════════════════════════════════════════════════════════════════════════
   FEATURE LIST ITEMS
   Used in Home page "Global Dialogue" section.
   Icon + title + description, separated by horizontal rules.
   ═══════════════════════════════════════════════════════════════════════════ */

.ei-feature-list {
  display: flex;
  flex-direction: column;
  gap: 0;
}

.ei-feature-list__item {
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
  border-bottom: 1px solid var(--color-outline-variant);
  padding-bottom: var(--space-4);
  padding-top: var(--space-4);
}

.ei-feature-list__item:first-child {
  padding-top: 0;
}

.ei-feature-list__icon {
  color: var(--color-primary);
  font-size: 32px;
  flex-shrink: 0;
  margin-top: 2px;
}

.ei-feature-list__title {
  font-family: var(--font-body);
  font-size: var(--fs-body-md);
  font-weight: var(--fw-semibold);
  color: var(--color-primary);
  margin-bottom: 4px;
}

.ei-feature-list__desc {
  font-family: var(--font-body);
  font-size: var(--fs-body-md);
  line-height: var(--lh-body);
  color: var(--color-on-surface-variant);
}

/* ═══════════════════════════════════════════════════════════════════════════
   CTA SECTIONS
   ═══════════════════════════════════════════════════════════════════════════ */

/* Centered email CTA (Home page, ivory background) */
.ei-cta {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
}

.ei-cta__eyebrow {
  font-family: var(--font-body);
  font-size: var(--fs-label-caps);
  font-weight: var(--fw-semibold);
  letter-spacing: var(--ls-label);
  text-transform: uppercase;
  color: var(--color-on-surface-variant);
  margin-bottom: var(--space-4);
  display: block;
}

.ei-cta__headline {
  font-family: var(--font-display);
  font-size: var(--fs-headline-xl);
  font-weight: var(--fw-semibold);
  line-height: var(--lh-headline);
  color: var(--color-primary);
  max-width: 640px;
  margin-bottom: var(--space-6);
}

.ei-cta__footnote {
  margin-top: var(--space-4);
  font-family: var(--font-body);
  font-size: var(--fs-body-md);
  color: var(--color-on-surface-variant);
}

.ei-cta__footnote a {
  color: var(--color-primary);
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* Dark CTA (Research page — navy background) */
.ei-cta--dark {
  background-color: var(--color-primary);
  color: var(--color-on-primary);
  padding: var(--space-section-gap) var(--space-margin-desktop);
  overflow: hidden;
  position: relative;
}

.ei-cta--dark .ei-cta__eyebrow {
  color: rgba(250, 249, 247, 0.6);
}

.ei-cta--dark .ei-cta__headline {
  color: var(--color-on-primary);
}

.ei-cta--dark .ei-form-inline {
  border-color: rgba(250, 249, 247, 0.3);
}

.ei-cta--dark .ei-form-inline__input {
  background-color: rgba(250, 249, 247, 0.1);
  color: var(--color-on-primary);
}

.ei-cta--dark .ei-form-inline__input::placeholder {
  color: rgba(250, 249, 247, 0.5);
}

/* ═══════════════════════════════════════════════════════════════════════════
   RESEARCH PAGE — PULLQUOTE
   Full-width blockquote with large italic serif text.
   ═══════════════════════════════════════════════════════════════════════════ */

.ei-pullquote {
  text-align: center;
  padding: var(--space-section-gap) var(--space-margin-desktop);
  max-width: var(--container-max);
  margin: 0 auto;
}

.ei-pullquote__mark {
  font-family: var(--font-display);
  font-size: 80px;
  line-height: 0.5;
  color: var(--color-outline-variant);
  display: block;
  margin-bottom: var(--space-6);
}

.ei-pullquote__text {
  font-family: var(--font-display);
  font-size: var(--fs-headline-xl);
  font-weight: var(--fw-semibold);
  font-style: italic;
  line-height: 1.2;
  color: var(--color-primary);
  margin-bottom: var(--space-6);
}

.ei-pullquote__cite {
  font-family: var(--font-body);
  font-size: var(--fs-label-caps);
  font-weight: var(--fw-semibold);
  letter-spacing: var(--ls-label-wide);
  text-transform: uppercase;
  color: var(--color-primary);
}

/* ═══════════════════════════════════════════════════════════════════════════
   ABOUT PAGE — STICKY SIDEBAR TOC
   ═══════════════════════════════════════════════════════════════════════════ */

.ei-toc__label {
  font-family: var(--font-body);
  font-size: var(--fs-label-caps);
  font-weight: var(--fw-semibold);
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--color-on-surface-variant);
  opacity: 0.7;
  margin-bottom: var(--space-5);
  display: block;
}

.ei-toc__list {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
  list-style: none;
}

.ei-toc-link {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-family: var(--font-body);
  font-size: var(--fs-label-caps);
  font-weight: var(--fw-semibold);
  letter-spacing: var(--ls-label);
  text-transform: uppercase;
  color: var(--color-on-surface-variant);
  text-decoration: none;
  transition: var(--transition-soft);
}

.ei-toc-link:hover {
  color: var(--color-primary);
}

.ei-toc-link__line {
  display: block;
  height: 1px;
  width: 16px;
  background-color: var(--color-outline-variant);
  transition: width 0.4s cubic-bezier(0.16, 1, 0.3, 1), background-color 0.4s ease;
  flex-shrink: 0;
}

.ei-toc-link:hover .ei-toc-link__line {
  width: 32px;
}

/* Active TOC item (set by JS scroll spy) */
.ei-toc-link--active {
  color: var(--color-primary);
}

.ei-toc-link--active .ei-toc-link__line {
  width: 32px;
  background-color: var(--color-primary);
}

/* ═══════════════════════════════════════════════════════════════════════════
   RESEARCH PAGE — POLICY AREA ROWS (alternating image/text)
   ═══════════════════════════════════════════════════════════════════════════ */

.ei-policy-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-section-gap);
  align-items: center;
}

.ei-policy-row--reverse {
  direction: rtl; /* Flips columns. Children reset to ltr. */
}

.ei-policy-row--reverse > * {
  direction: ltr;
}

.ei-policy-row__number {
  font-family: var(--font-display);
  font-size: 80px;
  font-weight: var(--fw-bold);
  line-height: 1;
  color: var(--color-outline-variant);
  margin-bottom: var(--space-3);
}

.ei-policy-row__image {
  width: 100%;
  height: 450px;
  object-fit: cover;
  filter: grayscale(20%);
  transition: filter 0.5s ease;
}

.ei-policy-row__image:hover {
  filter: grayscale(0);
}

/* ═══════════════════════════════════════════════════════════════════════════
   FOOTER
   12-column grid layout with multiple column configurations.
   ═══════════════════════════════════════════════════════════════════════════ */

.ei-footer {
  background-color: var(--color-background);
  border-top: 1px solid var(--color-outline-variant);
  padding: var(--space-section-gap) 0;
}

.ei-footer__inner {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: var(--space-gutter);
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--space-margin-desktop);
}

/* Brand column (4 cols on desktop) */
.ei-footer__brand {
  grid-column: span 4;
}

.ei-footer__brand-logo {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  margin-bottom: var(--space-4);
  text-decoration: none;
}

.ei-footer__brand-logo img {
  height: 32px;
  width: auto;
  filter: grayscale(100%) brightness(0.5);
}

.ei-footer__brand-name {
  font-family: var(--font-display);
  font-size: var(--fs-headline-md);
  font-weight: var(--fw-bold);
  color: var(--color-primary);
}

.ei-footer__brand-desc {
  font-family: var(--font-body);
  font-size: var(--fs-body-md);
  line-height: var(--lh-body);
  color: var(--color-on-surface-variant);
  max-width: 280px;
  margin-bottom: var(--space-4);
}

/* Social icons row */
.ei-footer__social {
  display: flex;
  gap: var(--space-3);
}

.ei-footer__social-link {
  color: var(--color-on-surface-variant);
  text-decoration: none;
  transition: color 0.3s ease;
  display: flex;
  align-items: center;
}

.ei-footer__social-link:hover {
  color: var(--color-primary);
}

/* Navigation columns (2 cols each on desktop) */
.ei-footer__col {
  grid-column: span 2;
}

/* HQ column (4 cols on desktop) */
.ei-footer__hq {
  grid-column: span 4;
}

.ei-footer__col-title {
  font-family: var(--font-body);
  font-size: var(--fs-label-caps);
  font-weight: var(--fw-semibold);
  letter-spacing: var(--ls-label);
  text-transform: uppercase;
  color: var(--color-primary);
  margin-bottom: var(--space-3);
}

.ei-footer__nav {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  list-style: none;
}

.ei-footer__nav-link {
  font-family: var(--font-body);
  font-size: var(--fs-body-md);
  color: var(--color-on-surface-variant);
  text-decoration: none;
  transition: var(--transition-colors);
}

.ei-footer__nav-link:hover {
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 4px;
}

.ei-footer__address {
  font-family: var(--font-body);
  font-size: var(--fs-body-md);
  line-height: var(--lh-body);
  color: var(--color-on-surface-variant);
  margin-bottom: var(--space-3);
}

/* Bottom bar */
.ei-footer__bottom {
  grid-column: span 12;
  padding-top: var(--space-6);
  margin-top: var(--space-6);
  border-top: 1px solid var(--color-outline-variant);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  flex-wrap: wrap;
}

.ei-footer__copyright {
  font-family: var(--font-body);
  font-size: var(--fs-body-md);
  color: var(--color-on-surface-variant);
}

.ei-footer__legal {
  display: flex;
  gap: var(--space-4);
}

.ei-footer__legal-link {
  font-family: var(--font-body);
  font-size: 11px;
  font-weight: var(--fw-semibold);
  letter-spacing: var(--ls-label);
  text-transform: uppercase;
  color: var(--color-on-surface-variant);
  text-decoration: none;
  transition: color 0.3s ease;
}

.ei-footer__legal-link:hover {
  color: var(--color-primary);
}

/* ═══════════════════════════════════════════════════════════════════════════
   IMAGE EFFECTS
   ═══════════════════════════════════════════════════════════════════════════ */

/* Grayscale hover — Home Global Dialogue image */
.ei-img-grayscale {
  filter: grayscale(100%);
  transition: filter 0.7s ease;
}

.ei-img-grayscale:hover,
.ei-img-grayscale-wrap:hover .ei-img-grayscale {
  filter: grayscale(0%);
}

.ei-img-grayscale-wrap {
  position: relative;
  overflow: hidden;
}

.ei-img-grayscale-overlay {
  position: absolute;
  inset: 0;
  background-color: var(--color-institutional-blue-faded);
  transition: background-color 0.5s ease;
  pointer-events: none;
}

.ei-img-grayscale-wrap:hover .ei-img-grayscale-overlay {
  background-color: transparent;
}

/* ═══════════════════════════════════════════════════════════════════════════
   SECTION SCROLL ARROWS (Core Areas section navigation arrows)
   ═══════════════════════════════════════════════════════════════════════════ */

.ei-scroll-arrows {
  display: flex;
  gap: var(--space-2);
}

.ei-scroll-arrow {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 56px;
  height: 56px;
  border: 1px solid var(--color-outline-variant);
  color: var(--color-primary);
  cursor: pointer;
  background: transparent;
  transition: background-color 0.3s ease;
  text-decoration: none;
}

.ei-scroll-arrow:hover {
  background-color: var(--color-surface-container);
}

/* ═══════════════════════════════════════════════════════════════════════════
   DESKTOP NAV — show on screens wider than 1024px
   ═══════════════════════════════════════════════════════════════════════════ */

@media screen and (min-width: 1025px) {
  .ei-nav {
    display: flex;
  }
  .ei-nav-toggle {
    display: none;
  }
  .ei-nav-mobile {
    display: none !important;
  }
}

/* ═══════════════════════════════════════════════════════════════════════════
   HERO SECTION OVERRIDES — match Stitch design exactly
   ═══════════════════════════════════════════════════════════════════════════ */

/* Elementor section used as hero — force full viewport height */
.ei-hero-section.elementor-section,
.ei-hero-section.e-con {
  min-height: 85vh !important;
  display: flex !important;
  flex-direction: column !important;
  justify-content: flex-end !important;
}

/* Hero eyebrow — Policy Institute label */
.ei-hero-eyebrow {
  font-family: var(--font-body);
  font-size: var(--fs-label-caps);
  font-weight: var(--fw-semibold);
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--color-on-surface-variant);
  display: block;
  margin-bottom: 32px;
}

/* Hero button row — primary + ghost side by side */
.ei-hero-buttons {
  display: flex;
  flex-wrap: wrap;
  gap: 24px;
  margin-top: 48px;
}

/* Stat bar at bottom of hero */
.ei-hero-stat-bar {
  border-top: 1px solid var(--color-outline-variant);
  padding: 32px var(--space-margin-desktop);
  display: flex;
  justify-content: space-between;
  align-items: center;
  max-width: var(--container-max);
  margin: 0 auto;
  width: 100%;
}

.ei-stat-group {
  display: flex;
  gap: 48px;
}

.ei-stat-label {
  font-family: var(--font-body);
  font-size: 10px;
  font-weight: var(--fw-semibold);
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--color-on-surface-variant);
  opacity: 0.6;
  display: block;
  margin-bottom: 4px;
}

.ei-stat-value {
  font-family: var(--font-body);
  font-size: var(--fs-body-md);
  font-weight: var(--fw-semibold);
  color: var(--color-primary);
}

/* Section heading + cards layout fix */
.ei-core-areas-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  margin-bottom: 64px;
  gap: 32px;
}

.ei-core-areas-header__text {
  max-width: 640px;
}