/**
 * Layout global: header fijo, footer, grids, utilidades
 * Breakpoints: 480px, 768px, 1024px, 1280px (mobile-first)
 */

:root {
  --header-height: 4.5rem; /* 72px */
  --container-max: 1280px;
  --container-px: var(--spacing-4);
}

@media (min-width: 768px) {
  :root {
    --container-px: var(--spacing-6);
  }
}

@media (min-width: 1024px) {
  :root {
    --container-px: var(--spacing-8);
  }
}

/* ─── Page shell ─── */
html {
  scroll-padding-top: var(--header-height);
}

body {
  padding-top: var(--header-height);
}

/* ─── Container & sections ─── */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin-left: auto;
  margin-right: auto;
  padding-left: var(--container-px);
  padding-right: var(--container-px);
}

.section {
  padding-top: var(--spacing-10);
  padding-bottom: var(--spacing-10);
}

@media (min-width: 768px) {
  .section {
    padding-top: var(--spacing-12);
    padding-bottom: var(--spacing-12);
  }
}

@media (min-width: 1024px) {
  .section {
    padding-top: var(--spacing-16);
    padding-bottom: var(--spacing-16);
  }
}

/* ─── Grids ─── */
.grid-2,
.grid-3,
.grid-4 {
  display: grid;
  gap: var(--spacing-6);
}

.grid-2 {
  grid-template-columns: 1fr;
}

.grid-3 {
  grid-template-columns: 1fr;
}

.grid-4 {
  grid-template-columns: 1fr;
}

@media (min-width: 480px) {
  .grid-2 {
    grid-template-columns: repeat(2, 1fr);
  }

  .grid-3 {
    grid-template-columns: repeat(2, 1fr);
  }

  .grid-4 {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 768px) {
  .grid-3 {
    grid-template-columns: repeat(3, 1fr);
  }
}

@media (min-width: 1024px) {
  .grid-4 {
    grid-template-columns: repeat(4, 1fr);
  }
}

/* ─── Page hero ─── */
.page-hero {
  padding-top: var(--spacing-8);
  padding-bottom: var(--spacing-8);
  background: linear-gradient(
    135deg,
    var(--color-bg-secondary) 0%,
    var(--color-border-light) 100%
  );
  border-bottom: 1px solid var(--color-border);
}

.page-hero__inner {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-3);
}

.page-hero__title {
  font-size: var(--font-size-2xl);
  font-weight: var(--font-weight-semibold);
  color: var(--color-text-primary);
  letter-spacing: -0.02em;
}

@media (min-width: 768px) {
  .page-hero__title {
    font-size: var(--font-size-3xl);
  }
}

.page-hero__breadcrumb {
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
}

.page-hero__breadcrumb a {
  color: var(--color-text-secondary);
  transition: color var(--transition-fast);
}

.page-hero__breadcrumb a:hover {
  color: var(--color-primary);
}

/* ─── Header ─── */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: var(--z-sticky);
  height: var(--header-height);
  background-color: var(--color-bg);
  border-bottom: 1px solid var(--color-border);
  box-shadow: var(--shadow-sm);
}

.header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--spacing-4);
  height: 100%;
  max-width: var(--container-max);
  margin-left: auto;
  margin-right: auto;
  padding-left: var(--container-px);
  padding-right: var(--container-px);
}

.header__logo {
  flex-shrink: 0;
  display: flex;
  align-items: center;
  gap: var(--spacing-2);
  font-weight: var(--font-weight-semibold);
  font-size: var(--font-size-lg);
  color: var(--color-text-primary);
  transition: opacity var(--transition-fast);
}

.header__logo:hover {
  opacity: 0.85;
}

.header__logo img,
.header__logo svg {
  height: 2rem;
  width: auto;
}

/* Navegación desktop (centro) */
.header__nav {
  display: none;
  flex: 1;
  justify-content: center;
}

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

.header__nav-list {
  display: flex;
  align-items: center;
  gap: var(--spacing-1);
}

.header__nav-link {
  display: inline-flex;
  align-items: center;
  padding: var(--spacing-2) var(--spacing-4);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  color: var(--color-text-secondary);
  border-radius: var(--radius-md);
  transition:
    color var(--transition-fast),
    background-color var(--transition-fast);
}

.header__nav-link:hover,
.header__nav-link:focus-visible {
  color: var(--color-primary);
  background-color: var(--color-bg-secondary);
  outline: none;
}

.header__nav-link[aria-current='page'] {
  color: var(--color-primary);
}

/* Búsqueda expandible */
.header__search {
  position: relative;
  display: flex;
  align-items: center;
  flex: 0 1 auto;
  max-width: 100%;
}

@media (min-width: 1024px) {
  .header__search {
    flex: 0 1 280px;
    max-width: 320px;
  }
}

.header__search-toggle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2.5rem;
  height: 2.5rem;
  border-radius: var(--radius-md);
  color: var(--color-text-secondary);
  transition:
    background-color var(--transition-fast),
    color var(--transition-fast);
}

.header__search-toggle:hover,
.header__search-toggle:focus-visible {
  background-color: var(--color-bg-secondary);
  color: var(--color-primary);
  outline: none;
}

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

.header__search-form {
  position: absolute;
  top: 50%;
  right: 0;
  transform: translateY(-50%) scaleX(0.92);
  transform-origin: right center;
  opacity: 0;
  pointer-events: none;
  width: min(100vw - var(--spacing-8), 20rem);
  transition:
    opacity var(--transition-base),
    transform var(--transition-base);
}

@media (min-width: 1024px) {
  .header__search-form {
    position: static;
    transform: none;
    opacity: 1;
    pointer-events: auto;
    width: 100%;
    max-width: 320px;
  }
}

.header--search-open .header__search-form {
  opacity: 1;
  pointer-events: auto;
  transform: translateY(-50%) scaleX(1);
}

@media (min-width: 1024px) {
  .header--search-open .header__search-form {
    transform: none;
  }
}

.header__search-input {
  width: 100%;
  height: 2.5rem;
  padding: 0 var(--spacing-4) 0 var(--spacing-10);
  font-size: var(--font-size-sm);
  background-color: var(--color-bg-secondary);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  transition:
    border-color var(--transition-fast),
    box-shadow var(--transition-fast);
}

.header__search-input:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(108, 99, 255, 0.2);
}

.header__search-submit {
  position: absolute;
  left: var(--spacing-2);
  top: 50%;
  transform: translateY(-50%);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2rem;
  height: 2rem;
  color: var(--color-text-muted);
  border-radius: var(--radius-sm);
}

.header__search-submit:hover {
  color: var(--color-primary);
}

.header__search-close {
  position: absolute;
  right: -2.75rem;
  top: 50%;
  transform: translateY(-50%);
  display: inline-flex;
  width: 2.25rem;
  height: 2.25rem;
  align-items: center;
  justify-content: center;
  color: var(--color-text-muted);
  border-radius: var(--radius-md);
}

.header__search-close:hover {
  color: var(--color-text-primary);
  background-color: var(--color-bg-secondary);
}

@media (min-width: 1024px) {
  .header__search-close {
    display: none;
  }
}

/* Acciones derecha: carrito + usuario */
.header__actions {
  display: flex;
  align-items: center;
  gap: var(--spacing-1);
  flex-shrink: 0;
}

.header__action {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 2.5rem;
  height: 2.5rem;
  padding: 0 var(--spacing-2);
  border-radius: var(--radius-md);
  color: var(--color-text-secondary);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  transition:
    background-color var(--transition-fast),
    color var(--transition-fast);
}

.header__action:hover,
.header__action:focus-visible {
  background-color: var(--color-bg-secondary);
  color: var(--color-primary);
  outline: none;
}

.header__cart {
  position: relative;
}

.cart-badge {
  position: absolute;
  top: 0.125rem;
  right: 0.125rem;
  min-width: 1.125rem;
  height: 1.125rem;
  padding: 0 0.25rem;
  font-size: 0.625rem;
  font-weight: var(--font-weight-semibold);
  line-height: 1.125rem;
  text-align: center;
  color: #fff;
  background-color: var(--color-secondary);
  border-radius: 999px;
}

.cart-badge:empty,
.cart-badge[data-count='0'] {
  display: none;
}

/* Usuario: invitado vs autenticado */
.user-menu {
  position: relative;
}

.user-menu__trigger {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-2);
}

.user-menu__avatar {
  width: 2.25rem;
  height: 2.25rem;
  border-radius: 999px;
  object-fit: cover;
  background: linear-gradient(
    135deg,
    var(--color-primary-light),
    var(--color-primary)
  );
  color: #fff;
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-semibold);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.user-menu__name {
  display: none;
  max-width: 8rem;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  color: var(--color-text-primary);
}

@media (min-width: 768px) {
  .user-menu__name {
    display: inline;
  }
}

.user-menu__chevron {
  display: none;
  color: var(--color-text-muted);
}

@media (min-width: 768px) {
  .user-menu__chevron {
    display: inline-flex;
  }
}

.user-menu__dropdown {
  position: absolute;
  top: calc(100% + var(--spacing-2));
  right: 0;
  min-width: 12rem;
  padding: var(--spacing-2);
  background-color: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-md);
  opacity: 0;
  visibility: hidden;
  transform: translateY(-4px);
  transition:
    opacity var(--transition-base),
    transform var(--transition-base),
    visibility var(--transition-base);
  z-index: var(--z-dropdown);
}

.user-menu.is-open .user-menu__dropdown,
.user-menu:focus-within .user-menu__dropdown {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

/* Solo teclado / hover en desktop: evitar que focus-within quede abierto en móvil sin JS */
@media (max-width: 1023px) {
  .user-menu:focus-within .user-menu__dropdown {
    opacity: 0;
    visibility: hidden;
    transform: translateY(-4px);
  }

  .user-menu.is-open .user-menu__dropdown {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
  }
}

.user-menu__dropdown-item {
  display: block;
  width: 100%;
  text-align: left;
  padding: var(--spacing-2) var(--spacing-3);
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  border-radius: var(--radius-sm);
  transition:
    background-color var(--transition-fast),
    color var(--transition-fast);
}

.user-menu__dropdown-item:hover,
.user-menu__dropdown-item:focus-visible {
  background-color: var(--color-bg-secondary);
  color: var(--color-primary);
  outline: none;
}

.user-menu__dropdown-item--danger {
  color: var(--color-danger);
}

.user-menu__dropdown-item--danger:hover {
  background-color: rgba(239, 68, 68, 0.08);
  color: var(--color-danger);
}

.user-menu__dropdown-divider {
  height: 1px;
  margin: var(--spacing-2) 0;
  background-color: var(--color-border);
}

/* Menú hamburguesa */
.header__menu-toggle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2.5rem;
  height: 2.5rem;
  margin-left: var(--spacing-1);
  border-radius: var(--radius-md);
  color: var(--color-text-secondary);
}

.header__menu-toggle:hover,
.header__menu-toggle:focus-visible {
  background-color: var(--color-bg-secondary);
  color: var(--color-primary);
  outline: none;
}

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

.mobile-nav {
  position: fixed;
  inset: 0;
  z-index: 260;
  display: flex;
  flex-direction: column;
  padding: 0;
  background-color: var(--color-bg);
  opacity: 0;
  visibility: hidden;
  transform: translateX(100%);
  transition:
    opacity var(--transition-base),
    transform var(--transition-base),
    visibility var(--transition-base);
}

.mobile-nav.is-open {
  opacity: 1;
  visibility: visible;
  transform: translateX(0);
}

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

.mobile-nav__backdrop {
  position: fixed;
  inset: 0;
  z-index: 250;
  background-color: rgba(26, 26, 36, 0.45);
  opacity: 0;
  visibility: hidden;
  transition:
    opacity var(--transition-base),
    visibility var(--transition-base);
}

.mobile-nav__backdrop.is-visible {
  opacity: 1;
  visibility: visible;
}

@media (min-width: 1024px) {
  .mobile-nav__backdrop {
    display: none;
  }
}

.mobile-nav__header {
  flex-shrink: 0;
  height: var(--header-height);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-left: var(--container-px);
  padding-right: var(--container-px);
  background-color: var(--color-bg);
  border-bottom: 1px solid var(--color-border);
}

.mobile-nav__close {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2.5rem;
  height: 2.5rem;
  border-radius: var(--radius-md);
  color: var(--color-text-secondary);
}

.mobile-nav__close:hover {
  background-color: var(--color-bg-secondary);
  color: var(--color-primary);
}

.mobile-nav__list {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-1);
  flex: 1;
  overflow-y: auto;
  padding: var(--spacing-6) var(--container-px);
}

.mobile-nav__link {
  display: block;
  padding: var(--spacing-4);
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-medium);
  color: var(--color-text-primary);
  border-radius: var(--radius-md);
  transition: background-color var(--transition-fast);
}

.mobile-nav__link:hover {
  background-color: var(--color-bg-secondary);
}

/* ─── Footer ─── */
.footer {
  margin-top: auto;
  background-color: var(--color-text-primary);
  color: rgba(255, 255, 255, 0.88);
  padding-top: var(--spacing-12);
  padding-bottom: var(--spacing-8);
}

.footer a {
  color: rgba(255, 255, 255, 0.75);
  transition: color var(--transition-fast);
}

.footer a:hover {
  color: #fff;
}

.footer__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--spacing-8);
}

@media (min-width: 768px) {
  .footer__grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1024px) {
  .footer__grid {
    grid-template-columns: 1.2fr repeat(3, 1fr);
    gap: var(--spacing-10);
  }
}

.footer__brand-logo {
  display: flex;
  align-items: center;
  gap: var(--spacing-2);
  margin-bottom: var(--spacing-4);
  font-weight: var(--font-weight-semibold);
  font-size: var(--font-size-lg);
  color: #fff;
}

.footer__brand-logo img,
.footer__brand-logo svg {
  height: 2rem;
  width: auto;
}

.footer__desc {
  font-size: var(--font-size-sm);
  line-height: 1.6;
  color: rgba(255, 255, 255, 0.65);
  max-width: 22rem;
}

.footer__col-title {
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-semibold);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: #fff;
  margin-bottom: var(--spacing-4);
}

/* Acordeón opcional en móvil para columnas de links */
.footer__accordion-toggle {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  padding: var(--spacing-3) 0;
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-semibold);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: #fff;
  border-bottom: 1px solid rgba(255, 255, 255, 0.12);
}

.footer__accordion-toggle svg {
  transition: transform var(--transition-base);
}

.footer__accordion.is-open .footer__accordion-toggle svg {
  transform: rotate(180deg);
}

.footer__accordion-panel {
  max-height: 0;
  overflow: hidden;
  transition: max-height var(--transition-slow);
}

.footer__accordion.is-open .footer__accordion-panel {
  max-height: 24rem;
}

@media (min-width: 768px) {
  .footer__accordion-toggle {
    display: none;
  }

  .footer__accordion-panel {
    max-height: none !important;
    overflow: visible;
  }
}

.footer__links {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-3);
}

.footer__link {
  font-size: var(--font-size-sm);
}

.footer__newsletter-text {
  font-size: var(--font-size-sm);
  color: rgba(255, 255, 255, 0.65);
  margin-bottom: var(--spacing-4);
}

.footer__newsletter-form {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-2);
}

@media (min-width: 480px) {
  .footer__newsletter-form {
    flex-direction: row;
    align-items: stretch;
  }
}

.footer__newsletter-input {
  flex: 1;
  min-height: 2.75rem;
  padding: 0 var(--spacing-4);
  font-size: var(--font-size-sm);
  color: var(--color-text-primary);
  background-color: #fff;
  border: 1px solid transparent;
  border-radius: var(--radius-md);
}

.footer__newsletter-input:focus {
  outline: none;
  box-shadow: 0 0 0 3px rgba(108, 99, 255, 0.35);
}

.footer__newsletter-btn {
  min-height: 2.75rem;
  padding: 0 var(--spacing-5);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-semibold);
  color: #fff;
  background: linear-gradient(
    135deg,
    var(--color-primary),
    var(--color-primary-dark)
  );
  border-radius: var(--radius-md);
  white-space: nowrap;
  transition:
    transform var(--transition-fast),
    box-shadow var(--transition-fast);
}

.footer__newsletter-btn:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-1px);
}

.footer__bottom {
  margin-top: var(--spacing-10);
  padding-top: var(--spacing-6);
  border-top: 1px solid rgba(255, 255, 255, 0.12);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--spacing-4);
  text-align: center;
}

@media (min-width: 768px) {
  .footer__bottom {
    flex-direction: row;
    justify-content: space-between;
    text-align: left;
  }
}

.footer__copyright {
  font-size: var(--font-size-xs);
  color: rgba(255, 255, 255, 0.5);
}

.footer__social {
  display: flex;
  align-items: center;
  gap: var(--spacing-3);
}

.footer__social-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2.5rem;
  height: 2.5rem;
  border-radius: var(--radius-md);
  color: rgba(255, 255, 255, 0.75);
  background-color: rgba(255, 255, 255, 0.08);
  transition:
    background-color var(--transition-fast),
    color var(--transition-fast);
}

.footer__social-link:hover {
  background-color: var(--color-primary);
  color: #fff;
}

.footer__social-link svg {
  width: 1.25rem;
  height: 1.25rem;
}

/* Layout página con footer al fondo */
.site {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

.site__main {
  flex: 1;
}

/* ─── Utilidades ─── */
.text-center {
  text-align: center;
}

.flex {
  display: flex;
}

.flex-between {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.hidden {
  display: none !important;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/* Margin top */
.mt-0 {
  margin-top: 0 !important;
}
.mt-1 {
  margin-top: var(--spacing-1) !important;
}
.mt-2 {
  margin-top: var(--spacing-2) !important;
}
.mt-3 {
  margin-top: var(--spacing-3) !important;
}
.mt-4 {
  margin-top: var(--spacing-4) !important;
}
.mt-5 {
  margin-top: var(--spacing-5) !important;
}
.mt-6 {
  margin-top: var(--spacing-6) !important;
}
.mt-8 {
  margin-top: var(--spacing-8) !important;
}
.mt-10 {
  margin-top: var(--spacing-10) !important;
}
.mt-12 {
  margin-top: var(--spacing-12) !important;
}

/* Margin bottom */
.mb-0 {
  margin-bottom: 0 !important;
}
.mb-1 {
  margin-bottom: var(--spacing-1) !important;
}
.mb-2 {
  margin-bottom: var(--spacing-2) !important;
}
.mb-3 {
  margin-bottom: var(--spacing-3) !important;
}
.mb-4 {
  margin-bottom: var(--spacing-4) !important;
}
.mb-5 {
  margin-bottom: var(--spacing-5) !important;
}
.mb-6 {
  margin-bottom: var(--spacing-6) !important;
}
.mb-8 {
  margin-bottom: var(--spacing-8) !important;
}
.mb-10 {
  margin-bottom: var(--spacing-10) !important;
}
.mb-12 {
  margin-bottom: var(--spacing-12) !important;
}