/**
 * Header — Drenajes Agrícolas Mayo
 */

.dam-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 50;
  background-color: var(--color-bg);
  box-shadow: var(--shadow-nav);
}

.dam-header__inner {
  width: 100%;
}

.dam-header__bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: var(--nav-height);
  gap: 1rem;
}

/* Marca / logo */
.dam-header__brand {
  display: inline-flex;
  align-items: center;
  flex-shrink: 0;
}

.dam-header__brand-link {
  display: inline-flex;
  align-items: center;
  text-decoration: none;
  color: inherit;
}

.dam-header__brand-link:focus-visible {
  outline: 2px solid var(--color-brand-green);
  outline-offset: 4px;
  border-radius: 2px;
}

.dam-header__logo--text {
  display: inline-flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 0.35rem;
  font-size: 1.5rem;
  line-height: 1.2;
  letter-spacing: -0.02em;
}

.dam-header__logo-primary {
  font-weight: 700;
  color: var(--color-brand-green);
}

.dam-header__logo-secondary {
  font-weight: 300;
  color: var(--color-brand-brown);
}

.dam-header__logo--image,
.dam-header__logo-link {
  display: inline-flex;
  align-items: center;
  line-height: 0;
}

.dam-header__logo-img {
  display: block;
  width: auto;
  max-height: 68px;
  height: auto;
}

@media (min-width: 768px) {
  .dam-header__logo-img {
    max-height: 76px;
  }
}

@media (min-width: 1024px) {
  .dam-header__logo-img {
    max-height: 84px;
  }
}

/* Menú escritorio */
.dam-header__nav--desktop {
  display: none;
}

.dam-header__menu {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.5rem 2rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

.dam-header__menu-item {
  margin: 0;
  padding: 0;
}

.dam-header__link {
  font-weight: 500;
  font-size: 1rem;
  color: var(--color-text);
  text-decoration: none;
  transition: color var(--transition-base);
}

.dam-header__link:hover,
.dam-header__link:focus-visible {
  color: var(--color-brand-green);
}

.dam-header__menu-item--cta .dam-header__link {
  color: #fff;
}

.dam-header__menu-item--cta .dam-header__link:hover,
.dam-header__menu-item--cta .dam-header__link:focus-visible {
  color: #fff;
}

.dam-header__menu-item--cta .dam-btn {
  padding: 0.5rem 1.5rem;
}

.dam-header__menu--fallback .dam-header__link {
  font-size: 0.875rem;
  color: var(--color-text-muted);
}

/* Toggle móvil */
.dam-header__toggle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2.5rem;
  height: 2.5rem;
  padding: 0;
  border: none !important;
  background-color: transparent !important;
  color: var(--color-text);
  cursor: pointer;
  border-radius: var(--radius-md);
  transition: color var(--transition-base);
  -webkit-tap-highlight-color: transparent; /* Evitar fondo rosa/gris nativo en móviles */
}

.dam-header__toggle:active,
.dam-header__toggle:focus {
  background-color: transparent !important; 
  outline: none;
  box-shadow: none;
}

.dam-header__toggle:hover,
.dam-header__toggle:focus-visible {
  color: var(--color-brand-green);
}

.dam-header__toggle:focus-visible {
  outline: 2px solid var(--color-brand-green);
  outline-offset: 2px;
}

.dam-header__toggle-icon {
  width: 1.5rem;
  height: 1.5rem;
}

.dam-header__toggle-icon--close {
  display: none;
}

.dam-header.is-open .dam-header__toggle-icon--open {
  display: none;
}

.dam-header.is-open .dam-header__toggle-icon--close {
  display: block;
}

/* Panel móvil (Side Drawer) */
.dam-header__backdrop {
  position: fixed;
  inset: 0;
  background-color: rgba(0, 0, 0, 0.5);
  z-index: 40;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition-base);
}

.dam-header__backdrop[hidden] {
  display: none;
}

.dam-header.is-open .dam-header__backdrop {
  opacity: 1;
  pointer-events: auto;
}

.dam-header__mobile-panel {
  position: fixed;
  top: 0;
  right: 0;
  bottom: 0;
  width: 85%;
  max-width: 400px;
  background-color: var(--color-bg);
  box-shadow: -4px 0 15px rgba(0, 0, 0, 0.1);
  z-index: 60;
  overflow-y: auto;
  transform: translateX(100%);
  transition: transform 300ms ease;
  display: flex !important; /* Override the hidden attribute display:none, we use transform for hiding */
}

.dam-header__mobile-panel[hidden] {
  visibility: hidden; /* Use visibility instead of display:none to allow transitions */
}

.dam-header.is-open .dam-header__mobile-panel {
  transform: translateX(0);
  visibility: visible;
}

.dam-header__nav--mobile {
  width: 100%;
  padding: calc(var(--nav-height) + 1rem) var(--container-padding-x) 2rem;
}

.dam-header__menu--mobile {
  flex-direction: column;
  align-items: stretch;
  gap: 0;
}

.dam-header__menu--mobile .dam-header__menu-item {
  border-bottom: 1px solid var(--color-border-light);
}

.dam-header__menu--mobile .dam-header__menu-item:last-child {
  border-bottom: none;
}

.dam-header__menu--mobile .dam-header__link {
  display: block;
  padding: 1rem 0;
  font-size: 1.125rem;
}

.dam-header__menu--mobile .dam-header__menu-item--cta {
  border-bottom: none;
  margin-top: 1rem;
}

.dam-header__menu--mobile .dam-header__menu-item--cta .dam-btn {
  width: 100%;
  padding: 1rem;
}

/* El toggle necesita mayor z-index para estar por encima del drawer y el backdrop */
.dam-header__toggle {
  z-index: 70;
  position: relative;
}

/* Responsive: nav desktop */
@media (min-width: 768px) {
  .dam-header__nav--desktop {
    display: block;
  }

  .dam-header__toggle {
    display: none;
  }

  .dam-header__mobile-panel,
  .dam-header__backdrop {
    display: none !important;
  }
}