/*
  Header component styles.
  Supports top header branding, contact CTA, Bootstrap navigation,
  dropdown animation, responsive hamburger menu, and sticky state.
*/

.site-header {
  position: sticky;
  top: var(--space-0);
  z-index: var(--z-index-fixed);
  background-color: var(--color-white);
  border-bottom: var(--border-width-base) solid var(--color-border);
  transition: box-shadow var(--transition-base), background-color var(--transition-base);
}

.site-header.is-sticky {
  box-shadow: var(--shadow-sm);
}

.header-top {
  background-color: var(--color-white);
}

.header-top__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-6);
  padding: var(--space-4) var(--space-0);
}

.header-logo {
  display: inline-flex;
  align-items: center;
  gap: var(--space-3);
  color: var(--color-primary);
}

.header-logo:hover,
.header-logo:focus {
  color: var(--color-primary);
}

.header-logo img {
  width: var(--size-button-height);
  height: var(--size-button-height);
  object-fit: contain;
}

.header-brand {
  display: flex;
  flex-direction: column;
  line-height: var(--line-height-heading);
}

.header-brand__name {
  color: var(--color-primary);
  font-family: var(--font-family-heading);
  font-size: var(--font-size-xl);
  font-weight: var(--font-weight-bold);
}

.header-tagline {
  color: var(--color-text-muted);
  font-family: var(--font-family-base);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
}

.header-contact {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: var(--space-4);
}

.header-phone {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  color: var(--color-primary);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-semibold);
  transition: color var(--transition-base);
}

.header-phone:hover,
.header-phone:focus {
  color: var(--color-accent-dark);
}

.header-phone__icon {
  flex: 0 0 auto;
}

.header-cta {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: var(--size-button-height);
  padding: var(--space-3) var(--space-6);
  color: var(--color-primary);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-bold);
  background-color: var(--color-accent);
  border: var(--border-width-base) solid var(--color-accent);
  border-radius: var(--radius-pill);
  transition: color var(--transition-base), background-color var(--transition-base), border-color var(--transition-base), box-shadow var(--transition-base);
}

.header-cta:hover,
.header-cta:focus {
  color: var(--color-white);
  background-color: var(--color-accent-dark);
  border-color: var(--color-accent-dark);
  box-shadow: var(--shadow-sm);
}

.main-navigation {
  padding: var(--space-0);
  background-color: var(--color-white);
  border-top: var(--border-width-base) solid var(--color-border);
}

.main-navigation .container {
  justify-content: center;
}

.main-navigation .navbar-nav {
  gap: var(--space-1);
}

.nav-item {
  position: relative;
}

.nav-link {
  position: relative;
  padding: var(--space-4) var(--space-4);
  color: var(--color-text);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-semibold);
  transition: color var(--transition-base);
}

.nav-link::before {
  position: absolute;
  right: var(--space-4);
  bottom: var(--space-2);
  left: var(--space-4);
  height: var(--border-width-base);
  content: "";
  background-color: var(--color-accent);
  transform: scaleX(0);
  transform-origin: center;
  transition: transform var(--transition-base);
}

.dropdown-toggle::after {
  margin-left: var(--space-2);
  transition: border-color var(--transition-base);
}

.nav-link:hover,
.nav-link:focus,
.nav-link.active {
  color: var(--color-primary);
}

.nav-link:hover::before,
.nav-link:focus::before,
.nav-link.active::before {
  transform: scaleX(1);
}

.dropdown-menu {
  display: block;
  min-width: var(--container-sm);
  padding: var(--space-3);
  margin-top: var(--space-0);
  background-color: var(--color-white);
  border: var(--border-width-base) solid var(--color-border);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  opacity: 0;
  visibility: hidden;
  transform: translateY(var(--space-2));
  transition: opacity var(--transition-base), visibility var(--transition-base), transform var(--transition-base);
}

.dropdown-menu.show,
.dropdown:hover > .dropdown-menu,
.dropdown:focus-within > .dropdown-menu {
  opacity: 1;
  visibility: visible;
  transform: translateY(var(--space-0));
}

.dropdown-item {
  padding: var(--space-3) var(--space-4);
  color: var(--color-text);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  border-radius: var(--radius-sm);
  transition: color var(--transition-base), background-color var(--transition-base);
}

.dropdown-item:hover,
.dropdown-item:focus,
.dropdown-item.active {
  color: var(--color-primary);
  background-color: var(--color-accent-light);
}

.dropdown-subitem {
  padding-left: var(--space-8);
  color: var(--color-text-muted);
  font-size: 12px;
}

.mobile-toggle {
  margin-left: auto;
  padding: var(--space-2);
  border: var(--border-width-base) solid var(--color-border);
  border-radius: var(--radius-sm);
}

.mobile-toggle:focus {
  box-shadow: 0 0 0 var(--space-1) var(--color-focus-accent);
}

@media (min-width: 992px) {
  .main-navigation .navbar-collapse {
    flex-grow: 0;
  }
}

@media (max-width: 991.98px) {
  .header-top__inner {
    align-items: flex-start;
    flex-direction: column;
  }

  .header-contact {
    width: var(--size-mega-menu-width);
    justify-content: space-between;
  }

  .main-navigation {
    padding: var(--space-3) var(--space-0);
  }

  .main-navigation .container {
    justify-content: flex-end;
  }

  .main-navigation .navbar-collapse {
    width: var(--size-mega-menu-width);
  }

  .main-navigation .navbar-nav {
    align-items: stretch;
    gap: var(--space-0);
    width: var(--size-mega-menu-width);
    padding: var(--space-4) var(--space-0) var(--space-2);
  }

  .nav-link {
    padding: var(--space-4);
  }

  .nav-link::before {
    right: var(--space-4);
    bottom: var(--space-2);
    left: var(--space-4);
  }

  .dropdown-menu {
    min-width: var(--size-mega-menu-width);
    padding: var(--space-2);
    border: 0;
    border-radius: var(--radius-sm);
    box-shadow: none;
    opacity: 1;
    visibility: visible;
    transform: none;
  }
}

@media (max-width: 575.98px) {
  .header-brand__name {
    font-size: var(--font-size-lg);
  }

  .header-contact {
    align-items: stretch;
    flex-direction: column;
    gap: var(--space-3);
  }

  .header-phone,
  .header-cta {
    width: var(--size-mega-menu-width);
    justify-content: center;
  }
}

@media (min-width: 992px) {
  .header-top__inner {
    padding: 10px 0;
  }

  .header-logo img {
    width: 60px;
    height: 60px;
  }

  .header-brand__name {
    font-size: 21px;
  }

  .header-tagline {
    font-size: 12px;
  }

  .main-navigation {
    border-top: 0;
  }

  .nav-link {
    padding: 12px 16px;
    font-size: 13px;
  }

  .nav-link::before {
    bottom: 5px;
  }

  .header-phone {
    color: #052b63;
    font-size: 13px;
  }

  .header-cta {
    min-height: 38px;
    padding: 9px 18px;
    border-radius: 6px;
  }
}

/* Shared single-row header */
.site-header,
[data-shared-header] {
  min-height: 92px;
  background: #eaf4ff;
  border-bottom: 1px solid #d6eaf8;
}

.site-header__inner {
  display: flex;
  align-items: center;
  min-height: 92px;
  padding: 0;
}

.site-header__inner .navbar-collapse {
  align-items: center;
  gap: 20px;
}

.site-header__inner .navbar-nav {
  gap: 16px;
}

.header-logo {
  display: flex;
  align-items: center;
  justify-content: center;
  flex: 0 0 auto;
  width: 180px;
  height: 70px;
  text-decoration: none;
}

.header-logo img {
  display: block;
  width: 150px;
  height: auto;
  max-height: none;
  object-fit: contain;
  object-position: center;
}

.header-brand__name {
  color: #052b63;
  font-family: var(--font-family-base);
  font-size: 18px;
  font-weight: 800;
  letter-spacing: 0;
  text-transform: uppercase;
}

.header-tagline {
  color: #2f6fa8;
  font-size: 11px;
  line-height: 1.2;
}

.site-header__inner .nav-link {
  padding: 27px 0 22px;
  color: #111827;
  font-size: 13px;
  font-weight: 700;
  white-space: nowrap;
}

.site-header__inner .nav-link::before {
  right: 0;
  bottom: 16px;
  left: 0;
  height: 2px;
  background: #d9a441;
}

.site-header__inner .nav-link:hover,
.site-header__inner .nav-link:focus,
.site-header__inner .nav-link.active {
  color: #052b63;
}

.site-header__inner .dropdown-menu {
  min-width: 220px;
}

.site-header__inner .header-cta {
  flex: 0 0 auto;
  min-height: 38px;
  padding: 9px 18px;
  color: #111827;
  background: #d9a441;
  border-color: #d9a441;
  border-radius: 5px;
  font-size: 13px;
  font-weight: 800;
  text-decoration: none;
}

.site-header__inner .header-cta:hover,
.site-header__inner .header-cta:focus {
  color: #fff;
  background: #b78322;
  border-color: #b78322;
}

@media (max-width: 1199px) {
  .site-header__inner .navbar-nav {
    gap: 11px;
  }

  .site-header__inner .nav-link,
  .site-header__inner .header-cta {
    font-size: 12px;
  }
}

@media (max-width: 991.98px) {
  .site-header__inner {
    min-height: 70px;
    padding: 10px 0;
  }

  .site-header__inner .navbar-collapse {
    align-items: stretch;
    gap: 10px;
    width: 100%;
    padding-top: 12px;
    max-height: calc(100vh - 86px);
    overflow-y: auto;
  }

  .site-header__inner .navbar-nav {
    gap: 0;
  }

  .site-header__inner .nav-link {
    padding: 12px 0;
  }

  .site-header__inner .nav-link::before {
    bottom: 6px;
  }

  .site-header__inner .header-cta {
    width: 100%;
    margin-top: 6px;
  }

  .site-header__inner .dropdown-menu {
    min-width: 100%;
    max-width: 100%;
  }
}

@media (max-width: 575.98px) {
  .header-logo {
    width: 145px;
    height: 48px;
  }

  .header-logo img {
    width: 100%;
    height: 100%;
  }

  .header-brand__name {
    font-size: 15px;
  }

  .header-tagline {
    font-size: 10px;
  }
}

/* Final shared header lock: keeps the logo and header identical on every page. */
.site-header > .container {
  width: min(100% - 24px, 1240px);
  max-width: 1240px;
}

.site-header .header-logo {
  flex: 0 0 180px;
  width: 180px;
  height: 70px;
}

.site-header .header-logo img {
  width: 150px;
  height: auto;
  max-height: 58px;
  object-fit: contain;
  object-position: center;
}

.site-header .site-header__inner .navbar-nav {
  gap: 16px;
}

.site-header .site-header__inner .nav-link {
  font-size: 13px;
  font-weight: 700;
}

.site-header .site-header__inner .header-cta {
  font-size: 13px;
  font-weight: 800;
}

@media (max-width: 575.98px) {
  .site-header,
  [data-shared-header] {
    min-height: 76px;
  }

  .site-header__inner {
    min-height: 76px;
  }

  .site-header .header-logo {
    flex-basis: 150px;
    width: 150px;
    height: 58px;
  }

  .site-header .header-logo img {
    width: 132px;
    height: auto;
    max-height: 48px;
  }
}

@media (min-width: 992px) and (max-width: 1199.98px) {
  .site-header > .container {
    width: min(100% - 24px, 1240px);
  }

  .site-header .site-header__inner .navbar-nav {
    gap: 16px;
  }

  .site-header .site-header__inner .nav-link,
  .site-header .site-header__inner .header-cta {
    font-size: 13px;
  }
}

/* Card-surface header: separates the shared header from the page background. */
.site-header,
[data-shared-header] {
  background: var(--color-card-bg);
  border-bottom: 1px solid var(--color-card-border);
  box-shadow: 0 10px 28px rgba(7, 59, 115, 0.1);
}

.site-header.is-sticky {
  box-shadow: 0 14px 32px rgba(7, 59, 115, 0.14);
}

.site-header__inner,
.main-navigation {
  background: var(--color-card-bg);
}

.site-header__inner .dropdown-menu {
  background: var(--color-card-bg);
  border-color: var(--color-card-border);
}

.mobile-toggle {
  background: var(--color-white);
  border-color: var(--color-card-border);
}