/* ============================================
   HEADER - Portal Institucional
   ============================================ */

.header-top {
  position: fixed;
  inset: 0 0 auto;
  z-index: 1000;
  background: rgba(255, 255, 255, 0.98);
  backdrop-filter: blur(14px);
  box-shadow: 0 14px 34px rgba(21, 49, 79, 0.1);
}

.header-rail {
  display: grid;
  grid-template-columns: 1.15fr 1fr 1.1fr 0.8fr 0.95fr;
  height: 6px;
}

.header-rail-segment {
  display: block;
}

.rail-blue {
  background: #1256a0;
}

.rail-cyan {
  background: #40a7e3;
}

.rail-green {
  background: #2a9d69;
}

.rail-red {
  background: #ce3a37;
}

.rail-yellow {
  background: #f1cc2d;
}

.header-primary {
  border-bottom: 1px solid rgba(11, 79, 153, 0.08);
}

.header-container {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 0 2rem;
}

.header-primary .header-container {
  min-height: 78px;
  display: grid;
  grid-template-columns: minmax(270px, 340px) minmax(0, 1fr);
  align-items: center;
  gap: 1.5rem;
}

.logo-wrapper {
  display: inline-flex;
  align-items: center;
  gap: 0.9rem;
  min-width: 0;
  text-decoration: none;
}

.header-logo {
  width: 72px;
  height: 72px;
  flex-shrink: 0;
  object-fit: contain;
}

.brand-copy {
  display: flex;
  flex-direction: column;
  min-width: 0;
}

.brand-wordmark {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 0.1rem;
  font-size: 2rem;
  line-height: 1;
  letter-spacing: -0.04em;
  text-transform: lowercase;
}

.brand-wordmark-blue {
  color: #1256a0;
}

.brand-wordmark-green {
  color: #2a9d69;
}

.brand-wordmark-gold {
  color: #f1b41c;
}

.brand-wordmark-suffix {
  color: #495d70;
  font-size: 0.44em;
  letter-spacing: 0;
  margin-left: 0.15rem;
}

.brand-subtitle {
  color: var(--text-muted);
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  margin-top: 0.18rem;
}

.main-nav {
  display: flex;
  justify-content: flex-end;
}

.nav-menu {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 0.3rem;
  list-style: none;
}

.nav-item {
  position: relative;
}

.nav-link {
  display: flex;
  flex-direction: column;
  justify-content: center;
  min-height: 48px;
  padding: 0.7rem 1rem;
  border-radius: 999px;
  color: var(--text-dark);
  text-decoration: none;
  font-size: 0.95rem;
  font-weight: 500;
  line-height: 1.2;
  white-space: nowrap;
  transition: var(--transition);
}

.nav-link--button {
  appearance: none;
  border: none;
  background: transparent;
  font-family: inherit;
  cursor: pointer;
}

.nav-link--dropdown-toggle {
  flex-direction: row;
  align-items: center;
  gap: 0.45rem;
}

.nav-link-caret {
  width: 16px;
  height: 16px;
  transition: transform 0.2s ease;
}

.nav-link:hover {
  color: var(--primary-blue);
  background: rgba(11, 79, 153, 0.08);
}

.nav-link.active,
.nav-link[aria-current='page'] {
  color: var(--primary-blue);
  background: rgba(44, 134, 209, 0.14);
  box-shadow: inset 0 0 0 1px rgba(11, 79, 153, 0.08);
}

.nav-link p {
  margin: 0.15rem 0 0;
  font-size: 0.72rem;
  color: var(--text-muted);
}

.dropdown-menu {
  position: absolute;
  top: calc(100% + 0.45rem);
  left: 50%;
  transform: translateX(-50%) translateY(-8px);
  min-width: 290px;
  padding: 0.55rem;
  list-style: none;
  background: rgba(255, 255, 255, 0.98);
  border: 1px solid rgba(11, 79, 153, 0.08);
  border-radius: 18px;
  box-shadow: var(--shadow-md);
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transition: var(--transition);
}

.dropdown-menu li + li {
  margin-top: 0.2rem;
}

.dropdown-link {
  display: block;
  padding: 0.85rem 1rem;
  border-radius: 14px;
  color: var(--text-dark);
  text-decoration: none;
  font-size: 0.9rem;
  font-weight: 500;
  line-height: 1.35;
  transition: var(--transition);
}

.dropdown-link:hover {
  color: var(--primary-blue);
  background: rgba(11, 79, 153, 0.08);
}

.nav-item.dropdown:hover .dropdown-menu,
.nav-item.dropdown:focus-within .dropdown-menu,
.nav-item.dropdown.active .dropdown-menu {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
  transform: translateX(-50%) translateY(0);
}

.nav-item.dropdown:hover .nav-link-caret,
.nav-item.dropdown:focus-within .nav-link-caret,
.nav-item.dropdown.active .nav-link-caret {
  transform: rotate(180deg);
}

.mobile-menu-toggle {
  display: none;
  grid-template-columns: 20px auto;
  grid-template-rows: repeat(3, 2px);
  align-items: center;
  column-gap: 0.7rem;
  row-gap: 4px;
  padding: 0.65rem 0.9rem;
  border: none;
  border-radius: 999px;
  background: rgba(11, 79, 153, 0.08);
  color: var(--primary-blue);
  cursor: pointer;
}

.mobile-menu-toggle span {
  width: 20px;
  height: 2px;
  display: block;
  background: currentColor;
  border-radius: 999px;
  transition: var(--transition);
}

.mobile-menu-label {
  grid-column: 2;
  grid-row: 1 / span 3;
  align-self: center;
  font-size: 0.88rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}