/* AccuDatum navigation: header, desktop dropdowns, mega menus, and accessible controls. */

/* Header and primary navigation */
.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: rgba(255, 255, 255, 0.98);
  border-bottom: 1px solid rgba(8, 38, 83, 0.1);
  box-shadow: 0 5px 20px rgba(8, 38, 83, 0.05);
  backdrop-filter: blur(12px);
}

.header-inner {
  position: relative;
  display: flex;
  align-items: center;
  width: min(1600px, calc(100% - 48px));
  min-height: var(--ad-header-height);
  margin-inline: auto;
  gap: 24px;
}

.site-logo {
  display: inline-flex;
  flex: 0 0 auto;
  align-items: center;
  gap: 11px;
  min-width: 250px;
}

.site-logo-link,
.custom-logo-link {
  display: inline-flex;
  flex: 0 0 auto;
  align-items: center;
}

.accudatum-logo,
.custom-logo {
  width: 45px;
  height: 45px;
  object-fit: contain;
  object-position: center;
  border-radius: 3px;
}

.brand-text {
  display: flex;
  flex-direction: column;
  color: inherit;
  line-height: 1.05;
}

.brand-name {
  color: var(--ad-navy);
  font-family: var(--ad-display);
  font-size: 19px;
  font-weight: 800;
  letter-spacing: -0.02em;
}

.brand-tagline {
  margin-top: 5px;
  color: var(--ad-teal);
  font-size: 8px;
  font-weight: 800;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}

.site-nav {
  flex: 1 1 auto;
  min-width: 0;
}

.site-nav ul {
  margin: 0;
  padding: 0;
  list-style: none;
}

.site-nav .menu {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: clamp(16px, 2vw, 31px);
}

.site-nav .menu > li {
  position: relative;
  display: flex;
  align-items: center;
  min-height: var(--ad-header-height);
}

.site-nav .menu > li > a {
  position: relative;
  display: inline-flex;
  align-items: center;
  min-height: var(--ad-header-height);
  color: var(--ad-navy);
  font-family: var(--ad-display);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.035em;
  text-transform: uppercase;
  white-space: nowrap;
}

.site-nav .menu > li > a::after {
  content: "";
  position: absolute;
  right: 0;
  bottom: 17px;
  left: 0;
  height: 3px;
  border-radius: 3px;
  background: var(--ad-blue);
  transform: scaleX(0);
  transform-origin: center;
  transition: transform 180ms ease;
}

.site-nav .menu > li:hover > a,
.site-nav .menu > li:focus-within > a,
.site-nav .menu > .current-menu-item > a,
.site-nav .menu > .current-menu-ancestor > a {
  color: var(--ad-blue);
}

.site-nav .menu > li:hover > a::after,
.site-nav .menu > li:focus-within > a::after,
.site-nav .menu > .current-menu-item > a::after,
.site-nav .menu > .current-menu-ancestor > a::after {
  transform: scaleX(1);
}

.submenu-toggle,
.nav-toggle {
  border: 0;
  background: transparent;
  color: var(--ad-navy);
  cursor: pointer;
}

.submenu-toggle {
  display: none;
}

.site-nav .sub-menu {
  position: absolute;
  top: calc(100% - 1px);
  left: 0;
  z-index: 20;
  min-width: 310px;
  padding: 14px;
  border-top: 4px solid var(--ad-blue-bright);
  border-radius: 0 0 12px 12px;
  background: var(--ad-navy);
  box-shadow: var(--ad-shadow-lg);
  opacity: 0;
  visibility: hidden;
  transform: translateY(8px);
  transition: opacity 160ms ease, visibility 160ms ease, transform 160ms ease;
}

.site-nav .menu > li:hover > .sub-menu,
.site-nav .menu > li:focus-within > .sub-menu {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.site-nav .sub-menu a {
  display: block;
  padding: 10px 12px;
  border-radius: 7px;
  color: #f6f9ff;
  font-size: 14px;
  font-weight: 650;
  line-height: 1.4;
  transition: color 150ms ease, background 150ms ease, transform 150ms ease;
}

.site-nav .sub-menu a:hover,
.site-nav .sub-menu a:focus-visible {
  color: #ffffff;
  background: rgba(42, 140, 255, 0.2);
  transform: translateX(2px);
}

.site-nav .menu > .services-menu-item {
  position: static;
}

.site-nav .services-menu-item > .sub-menu {
  right: 0;
  left: auto;
  display: grid;
  grid-template-columns: 1.15fr 0.95fr 0.95fr;
  width: min(1000px, calc(100vw - 64px));
  padding: 26px 30px 28px;
}

.site-nav .services-menu-item > .sub-menu > li {
  min-width: 0;
  padding: 0 24px;
}

.site-nav .services-menu-item > .sub-menu > li:first-child {
  padding-left: 0;
}

.site-nav .services-menu-item > .sub-menu > li:last-child {
  padding-right: 0;
}

.site-nav .services-menu-item > .sub-menu > li + li {
  border-left: 1px solid rgba(255, 255, 255, 0.16);
}

.menu-group-title {
  display: block;
  margin-bottom: 12px;
  padding: 0 12px 11px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.16);
  color: #62c6ff;
  font-family: var(--ad-display);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.12em;
  line-height: 1.35;
  text-transform: uppercase;
}

.site-nav .services-menu-item > .sub-menu .sub-menu {
  position: static;
  display: block;
  min-width: 0;
  padding: 0;
  border: 0;
  border-radius: 0;
  box-shadow: none;
  background: transparent;
  opacity: 1;
  visibility: visible;
  transform: none;
}

.header-cta,
.btn-primary,
.btn-secondary,
.btn,
.button-primary,
.button-secondary,
.wp-block-button__link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 46px;
  padding: 12px 19px;
  border-radius: 8px;
  font-family: var(--ad-display);
  font-size: 12px;
  font-weight: 800;
  line-height: 1.2;
  text-align: center;
  transition: transform 160ms ease, box-shadow 160ms ease, background 160ms ease, color 160ms ease;
}

.header-cta,
.btn-primary,
.button-primary,
.wp-block-button__link {
  border: 1px solid var(--ad-navy);
  color: #ffffff;
  background: var(--ad-navy);
  box-shadow: 0 8px 20px rgba(8, 38, 83, 0.17);
}

.header-cta:hover,
.btn-primary:hover,
.button-primary:hover,
.wp-block-button__link:hover {
  color: #ffffff;
  background: var(--ad-blue);
  border-color: var(--ad-blue);
  box-shadow: 0 12px 26px rgba(23, 95, 208, 0.24);
  transform: translateY(-2px);
}

.btn-secondary,
.button-secondary {
  border: 1px solid #9aabc1;
  color: var(--ad-navy);
  background: #ffffff;
}

.btn-secondary:hover,
.button-secondary:hover {
  border-color: var(--ad-blue);
  color: var(--ad-blue);
  transform: translateY(-2px);
}

.header-cta {
  flex: 0 0 auto;
  min-height: 42px;
  padding-inline: 17px;
  white-space: nowrap;
}

.nav-toggle {
  display: none;
  min-height: 42px;
  padding: 8px 13px;
  border: 1px solid var(--ad-line);
  border-radius: 8px;
  font-family: var(--ad-display);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}