/* ==========================================
   HEADER Y NAVEGACIÓN
   ========================================== */
.header {
  background-color: var(--blanco);
  box-shadow: var(--sombra);
  position: sticky;
  top: 0;
  z-index: 1000;
}

.header-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1rem 5%;
  max-width: 1400px;
  margin: 0 auto;
}

.logo {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.logo-img {
  height: 55px;
  width: 55px;
  object-fit: contain;
  display: block;
}

.nav-menu {
  display: flex;
  gap: 2rem;
}

.nav-menu a {
  color: var(--gris-oscuro);
  font-weight: 500;
  position: relative;
  padding: 0.5rem 0;
  transition: var(--transicion);
}

.nav-menu a::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 3px;
  background-color: var(--naranja);
  transition: var(--transicion);
}

.nav-menu a:hover,
.nav-menu a.active {
  color: var(--azul-oscuro);
}

.nav-menu a:hover::after,
.nav-menu a.active::after {
  width: 100%;
}

/* Botón hamburguesa */
.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0.5rem;
}

.hamburger span {
  width: 28px;
  height: 3px;
  background-color: var(--azul-oscuro);
  border-radius: 2px;
  transition: var(--transicion);
}

.hamburger.active span:nth-child(1) {
  transform: rotate(45deg) translate(7px, 7px);
}

.hamburger.active span:nth-child(2) {
  opacity: 0;
}

.hamburger.active span:nth-child(3) {
  transform: rotate(-45deg) translate(7px, -7px);
}