/**
 * Header — flotante fijo arriba al hacer scroll, menú móvil, nav desktop, CTA
 * Mobile-first: móvil = hamburguesa + overlay; 1024px+ = nav inline
 */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 50;
  background: var(--color-bg-elevated);
  border-bottom: 1px solid var(--color-border);
  transition: box-shadow var(--duration-normal) var(--ease-out);
}

/* Elevación sutil al hacer scroll (UX profesional) */
.site-header.is-scrolled {
  box-shadow: 0 2px 12px rgba(26, 36, 32, 0.08);
}

.header-inner {
  position: relative;
  z-index: 51;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  min-height: var(--header-height);
  background: var(--color-bg-elevated);
}

.header-logo {
  flex-shrink: 0;
}

.header-logo img {
  height: 2rem;
  width: auto;
}

/* Botón hamburguesa: solo móvil */
.header-nav-toggle {
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 6px;
  width: 2.75rem;
  height: 2.75rem;
  padding: 0;
  background: none;
  border: none;
  cursor: pointer;
  border-radius: var(--radius-md);
  transition: background var(--duration-fast);
  touch-action: manipulation;
  z-index: 60;
}

.header-nav-toggle:hover {
  background: var(--color-bg-muted);
}

.header-nav-toggle:focus-visible {
  outline: none;
  box-shadow: 0 0 0 2px var(--color-primary-light);
}

.header-nav-toggle__line {
  display: block;
  width: 1.25rem;
  height: 2px;
  background: var(--color-text);
  border-radius: 1px;
  transition: transform var(--duration-normal), opacity var(--duration-normal);
}

.header-nav-toggle[aria-expanded="true"] .header-nav-toggle__line:nth-child(1) {
  transform: translateY(8px) rotate(45deg);
}

.header-nav-toggle[aria-expanded="true"] .header-nav-toggle__line:nth-child(2) {
  opacity: 0;
}

.header-nav-toggle[aria-expanded="true"] .header-nav-toggle__line:nth-child(3) {
  transform: translateY(-8px) rotate(-45deg);
}

@media (min-width: 1024px) {
  .header-nav-toggle {
    display: none;
  }
}

/* Backdrop: solo móvil, desde bajo el header, tap para cerrar */
.header-nav-backdrop {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 48;
  background: transparent;
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transition: opacity var(--duration-normal) var(--ease-out), visibility var(--duration-normal);
  -webkit-tap-highlight-color: transparent;
}

.header-nav-backdrop.is-open {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
}

@media (min-width: 1024px) {
  .header-nav-backdrop {
    display: none !important;
  }
}

@media (max-width: 1023px) {
  .header-nav-backdrop {
    display: block;
    top: var(--header-height);
  }
}

/* Nav: en móvil = panel lateral (drawer); en desktop = inline */
.header-nav {
  position: fixed;
  top: var(--header-height);
  right: 0;
  bottom: 0;
  z-index: 50;
  width: min(320px, 88vw);
  max-width: 100%;
  background: var(--color-bg-elevated);
  transform: translateX(100%);
  visibility: hidden;
  transition: transform var(--duration-normal) var(--ease-out), visibility var(--duration-normal);
  display: flex;
  flex-direction: column;
}

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

/* Contenido del panel móvil (empieza bajo el header) */
.header-nav-panel {
  display: flex;
  flex-direction: column;
  flex: 1;
  min-height: 0;
  padding: var(--space-6) var(--space-5) var(--space-6);
  overflow-y: auto;
  -webkit-overflow-scrolling: touch;
}

.header-nav-panel .nav-list {
  flex: 0 0 auto;
}

.header-nav-cta {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  width: 100%;
  margin-top: var(--space-6);
  padding: var(--space-4) var(--space-5);
  font-weight: 500;
  font-size: var(--text-base);
  color: #fff;
  background: var(--color-primary);
  border-radius: var(--radius-lg);
  transition: background var(--duration-fast), transform var(--duration-fast);
  -webkit-tap-highlight-color: transparent;
  flex-shrink: 0;
}

.header-nav-cta:hover {
  color: #fff;
  background: var(--color-primary-hover);
}

.header-nav-cta:active {
  transform: scale(0.98);
}

@media (min-width: 1024px) {
  .header-nav {
    position: static;
    width: auto;
    max-width: none;
    box-shadow: none;
    transform: none;
    visibility: visible;
    background: none;
    display: block;
  }

  .header-nav-panel {
    padding: 0;
    overflow: visible;
    flex: none;
  }

  .header-nav-cta {
    display: none;
  }
}

.nav-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

/* Móvil: ítems grandes, área táctil 48px, separación clara */
@media (max-width: 1023px) {
  .nav-list {
    gap: 0;
  }

  .nav-list > li {
    border-bottom: 1px solid var(--color-border);
  }

  .nav-list > li:last-child {
    border-bottom: none;
  }

  .nav-list a,
  .nav-dropdown-trigger {
    min-height: 3rem;
    padding: var(--space-4) var(--space-2);
    font-size: var(--text-base);
    font-weight: 500;
  }

  .nav-dropdown-menu {
    padding-left: var(--space-4);
    margin-top: var(--space-1);
    margin-bottom: var(--space-2);
    border-left: 3px solid var(--color-primary-light);
  }

  .nav-dropdown-menu a {
    min-height: 2.75rem;
    padding: var(--space-3) var(--space-4);
    font-size: var(--text-base);
    font-weight: 500;
    color: var(--color-text-muted);
  }

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

@media (min-width: 1024px) {
  .nav-list {
    flex-direction: row;
    align-items: center;
    gap: var(--space-1);
  }

  .nav-list > li {
    border-bottom: none;
  }

  /* El desplegable se ancla al ítem Bordadoras */
  .nav-dropdown {
    position: relative;
  }
}

.nav-list a,
.nav-dropdown-trigger {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-4);
  min-height: 2.75rem;
  font-size: var(--text-base);
  font-weight: 500;
  color: var(--color-text);
  border-radius: var(--radius-md);
  transition: background var(--duration-fast), color var(--duration-fast);
  outline: none;
  touch-action: manipulation;
}

.nav-list a:hover,
.nav-list a.active,
.nav-dropdown-trigger:hover {
  color: var(--color-primary);
}

.nav-dropdown-trigger[aria-expanded="true"],
.nav-dropdown[aria-expanded="true"] .nav-dropdown-trigger {
  color: var(--color-primary);
}

@media (min-width: 1024px) {
  .nav-list a,
  .nav-dropdown-trigger {
    padding: var(--space-2) var(--space-3);
  }
}

.nav-dropdown-trigger {
  width: 100%;
  background: none;
  border: none;
  font: inherit;
  font-weight: 500;
  cursor: pointer;
  text-align: left;
  color: var(--color-text);
}

@media (min-width: 1024px) {
  .nav-dropdown-trigger {
    width: auto;
  }
}

.nav-dropdown-trigger svg {
  transition: transform var(--duration-fast);
}

.nav-dropdown-trigger[aria-expanded="true"] svg,
.nav-dropdown[aria-expanded="true"] .nav-dropdown-trigger svg {
  transform: rotate(180deg);
}

.nav-dropdown-menu {
  list-style: none;
  padding-left: var(--space-4);
  margin-top: var(--space-1);
  display: none;
}

.nav-dropdown-trigger[aria-expanded="true"] ~ .nav-dropdown-menu,
.nav-dropdown[aria-expanded="true"] .nav-dropdown-menu {
  display: block;
}

@media (min-width: 1024px) {
  .nav-dropdown-menu {
    position: absolute;
    top: 100%;
    left: 0;
    margin: 0;
    padding: var(--space-2);
    min-width: 200px;
    background: var(--color-bg-elevated);
    border-radius: var(--radius-lg);
    box-shadow: 0 10px 40px rgba(26, 36, 32, 0.12);
    padding-left: 0;
    white-space: nowrap;
  }

  .nav-dropdown-trigger[aria-expanded="true"] ~ .nav-dropdown-menu,
  .nav-dropdown[aria-expanded="true"] .nav-dropdown-menu {
    display: block;
  }

  .nav-dropdown-menu a {
    padding: var(--space-3) var(--space-4);
    font-size: var(--text-base);
    font-weight: 500;
    border-radius: var(--radius-md);
    color: var(--color-text);
    transition: background var(--duration-fast), color var(--duration-fast);
  }

  .nav-dropdown-menu a:hover {
    background: var(--color-bg-muted);
    color: var(--color-primary);
  }
}

/* Foco accesible sin borde grueso */
.nav-list a:focus-visible,
.nav-dropdown-trigger:focus-visible {
  outline: none;
  box-shadow: 0 0 0 2px var(--color-primary-light);
}

.header-cta {
  display: none;
  flex-shrink: 0;
  color: #fff;
}

.header-cta:hover {
  color: #fff;
}

.header-cta svg {
  flex-shrink: 0;
}

@media (min-width: 1024px) {
  .header-cta {
    display: inline-flex;
  }
}