/* UAE Startup Story custom header - Phase 2, header only.
   Scoped to .uss-header, so it does not restyle page content.
   Inspired by the Arabian Business layout, not copied: centred
   logo, left icons, right Subscribe, nav row with dividers. */

.uss-header {
  background: var(--uss-paper);
  border-bottom: 1px solid var(--uss-line);
  color: var(--uss-ink);
}

.uss-header-top {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  gap: 1rem;
  padding-top: 1.25rem;
  padding-bottom: 1rem;
}

.uss-header-left {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.uss-header-right {
  display: flex;
  justify-content: flex-end;
}

.uss-icon-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2.5rem;
  height: 2.5rem;
  padding: 0;
  border: 0;
  background: transparent;
  color: var(--uss-ink);
  cursor: pointer;
}

.uss-icon-button:hover { color: var(--uss-accent); }

.uss-icon-button svg {
  width: 1.375rem;
  height: 1.375rem;
}

.uss-header-logo {
  text-align: center;
  line-height: 1;
}

.uss-logo-text {
  display: inline-block;
  font-family: var(--uss-font-heading);
  font-size: clamp(1.625rem, 3.5vw, 2.25rem);
  font-weight: 700;
  letter-spacing: 0;
  line-height: 1;
  color: var(--uss-ink);
  white-space: nowrap;
}

.uss-logo-text:hover { color: var(--uss-ink); }

.uss-subscribe {
  display: inline-block;
  font-family: var(--uss-font-heading);
  font-size: 0.8125rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  line-height: 1;
  padding: 0.75rem 1.25rem;
  border: 1.5px solid var(--uss-ink);
  background: transparent;
  color: var(--uss-ink);
}

.uss-subscribe:hover {
  background: var(--uss-ink);
  color: var(--uss-paper);
}

/* Search bar, revealed by the search icon. */
.uss-search-bar {
  border-top: 1px solid var(--uss-line);
  padding: 0.75rem 0;
}

.uss-search-bar form {
  display: flex;
  gap: 0.5rem;
}

.uss-search-bar input[type="search"] {
  flex: 1;
  font-family: var(--uss-font-body);
  font-size: 1rem;
  padding: 0.625rem 0.75rem;
  border: 1px solid var(--uss-line);
  background: var(--uss-paper);
  color: var(--uss-ink);
}

.uss-search-bar input[type="submit"],
.uss-search-bar button[type="submit"] {
  font-family: var(--uss-font-heading);
  font-size: 0.875rem;
  font-weight: 700;
  padding: 0.625rem 1.25rem;
  border: 1px solid var(--uss-ink);
  background: var(--uss-ink);
  color: var(--uss-paper);
  cursor: pointer;
}

/* Nav row, with dividers between items. */
.uss-header-nav {
  border-top: 1px solid var(--uss-line);
}

.uss-nav-list {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  list-style: none;
  margin: 0;
  padding: 0;
}

.uss-nav-list > li { position: relative; }

.uss-nav-list > li + li {
  border-left: 1px solid var(--uss-line);
}

.uss-nav-list li a {
  display: block;
  font-family: var(--uss-font-nav);
  font-size: 0.6875rem;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  line-height: 1;
  padding: 0.875rem 1.5rem;
  color: var(--uss-ink);
  white-space: nowrap;
}

/* Centred nav, so the first item keeps the same side padding
   as the others, instead of sitting flush left. */

.uss-nav-list li a:hover,
.uss-nav-list li.current-menu-item a {
  color: var(--uss-accent);
}

/* Resources dropdown. Hover and keyboard focus open it on
   desktop, the .uss-open class (set by header.js) opens it on tap. */
.uss-nav-list li.menu-item-has-children > a::after {
  content: " ▾";
  font-size: 0.7em;
}

.uss-nav-list .sub-menu {
  display: none;
  position: absolute;
  top: 100%;
  left: 0;
  min-width: 15rem;
  list-style: none;
  margin: 0;
  padding: 0.5rem 0;
  background: var(--uss-paper);
  border: 1px solid var(--uss-line);
  border-top: 2px solid var(--uss-line-strong);
  z-index: 50;
}

.uss-nav-list li:hover > .sub-menu,
.uss-nav-list li:focus-within > .sub-menu,
.uss-nav-list li.uss-open > .sub-menu {
  display: block;
}

.uss-nav-list .sub-menu li {
  border-left: 0;
}

.uss-nav-list .sub-menu li a {
  padding: 0.625rem 1.25rem;
  font-family: var(--uss-font-nav);
  font-size: 0.6875rem;
  font-weight: 500;
  letter-spacing: 0.02em;
  text-transform: none;
  white-space: nowrap;
}

.uss-nav-list .sub-menu li a::after { content: none; }

/* Mobile drawer, opened by the hamburger. Hidden on desktop. */
.uss-mobile-menu {
  border-top: 1px solid var(--uss-line);
  padding: 0.5rem 0 1rem;
}

.uss-mobile-nav-list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.uss-mobile-nav-list li {
  border-bottom: 1px solid var(--uss-line);
}

.uss-mobile-nav-list li a {
  display: block;
  font-family: var(--uss-font-nav);
  font-size: 0.8125rem;
  font-weight: 500;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  padding: 0.875rem 0;
  color: var(--uss-ink);
}

.uss-mobile-nav-list li a:hover,
.uss-mobile-nav-list li.current-menu-item a {
  color: var(--uss-accent);
}

/* In the mobile drawer the dropdown is always visible, indented,
   so no extra tap is needed to reach Guides or Next Wave Founders. */
.uss-mobile-nav-list .sub-menu {
  display: block;
  list-style: none;
  margin: 0;
  padding: 0 0 0 1rem;
}

.uss-mobile-nav-list .sub-menu li {
  border-bottom: 0;
}

.uss-mobile-nav-list .sub-menu li a {
  padding: 0.5rem 0;
  font-family: var(--uss-font-nav);
  font-size: 0.8125rem;
  font-weight: 500;
  letter-spacing: 0.02em;
  text-transform: none;
}

.uss-subscribe-mobile {
  display: block;
  text-align: center;
  margin-top: 1rem;
}

@media (min-width: 48rem) {
  .uss-mobile-menu { display: none !important; }
}

@media (max-width: 47.999rem) {
  .uss-header .uss-container {
    padding-left: 1rem;
    padding-right: 1rem;
  }

  .uss-header-top {
    padding-top: 0.75rem;
    padding-bottom: 0.75rem;
    gap: 0.5rem;
  }

  .uss-icon-button {
    width: 2.25rem;
    height: 2.25rem;
  }

  .uss-logo-text {
    font-size: 1rem;
  }

  .uss-subscribe {
    font-size: 0.625rem;
    padding: 0.5rem 0.75rem;
  }

  .uss-header-nav { display: none; }
}