.header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background-color: var(--color-background);
  border-bottom: 1px solid var(--color-border);
  padding: var(--spacing-sm) 0;
  transition: box-shadow var(--transition-fast);
}

.header--scrolled {
  box-shadow: var(--shadow-md);
}

.header__container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--spacing-md);
}

/* Logo */
.header__logo {
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-bold);
  color: var(--color-primary);
  text-decoration: none;
}

/* Navigation */
.header__nav {
  display: none; /* Mobile first: oculto por defecto */
}

/* ✅ CAMBIADO: header__menu (coincide con tu HTML) */
.header__menu {
  display: flex;
  gap: var(--spacing-lg);
  list-style: none;
  margin: 0;
  padding: 0;
}

/* ✅ CAMBIADO: header__link (coincide con tu HTML) */
.header__link {
  color: var(--color-text);
  text-decoration: none;
  font-weight: var(--font-weight-medium);
  transition: color var(--transition-fast);
}

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

.header__link:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 4px;
}

/* Mobile Menu Toggle */
.header__toggle {
  display: block;
  background: none;
  border: none;
  padding: var(--spacing-xs);
  cursor: pointer;
  color: var(--color-text);
}

.header__toggle-icon {
  display: block;
  width: 24px;
  height: 2px;
  background-color: currentColor;
  position: relative;
}

.header__toggle-icon::before,
.header__toggle-icon::after {
  content: '';
  position: absolute;
  width: 100%;
  height: 2px;
  background-color: currentColor;
  left: 0;
}

.header__toggle-icon::before { top: -8px; }
.header__toggle-icon::after { top: 8px; }

/* Desktop styles */
@media (min-width: 768px) {
  .header__nav {
    display: block;
  }
  
  .header__toggle {
    display: none;
  }
}
/* ========================================
   MENÚ MÓVIL - ESTADOS
   ======================================== */

.header__nav--open {
  display: block;
  position: absolute;
  top: 100%;
  left: 0;
  right: 0;
  background: var(--color-background);
  border-bottom: 1px solid var(--color-border);
  padding: var(--spacing-md);
  box-shadow: var(--shadow-md);
}

.header__nav--open .header__menu {
  flex-direction: column;
  gap: var(--spacing-sm);
}

.header__nav--open .header__menu-item {
  width: 100%;
}

.header__nav--open .header__link {
  display: block;
  padding: var(--spacing-sm);
}

/* Animación del ícono hamburguesa */
.header__toggle[aria-expanded="true"] .header__toggle-icon {
  background-color: transparent;
}

.header__toggle[aria-expanded="true"] .header__toggle-icon::before {
  transform: rotate(45deg);
  top: 0;
}

.header__toggle[aria-expanded="true"] .header__toggle-icon::after {
  transform: rotate(-45deg);
  top: 0;
}