/* Header sticky crema: logo, navegación, búsqueda y carrito. */
.site-header {
  position: sticky;
  top: 0;
  z-index: 40;
  background: var(--crema);
  border-bottom: var(--hairline) solid var(--negro);
}

.site-header__inner {
  display: grid;
  grid-template-columns: 1fr auto;
  align-items: center;
  gap: 1rem;
  height: var(--header-h);
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 0 var(--gutter);
}

.brand {
  display: inline-flex;
  align-items: center;
  color: var(--negro);
  justify-self: start;
  border-radius: 6px;
}

/* Logo vía máscara: hereda currentColor, así el mismo SVG va negro arriba y crema en el footer */
.brand__logo {
  display: block;
  width: clamp(6.6rem, 26vw, 9rem);
  aspect-ratio: 343 / 154;
  background-color: currentColor;
  -webkit-mask: url('/assets/logo.svg') left center / contain no-repeat;
  mask: url('/assets/logo.svg') left center / contain no-repeat;
}

.site-header__actions {
  display: flex;
  align-items: center;
  gap: 0.25rem;
}

.icon-btn {
  position: relative;
  display: grid;
  place-items: center;
  width: 2.9rem;
  height: 2.9rem;
  border-radius: var(--pill);
  transition: background-color var(--t-fast) linear;
}

.icon-btn:hover {
  background: var(--crema-hundida);
}

.cart-badge {
  position: absolute;
  top: 0.05rem;
  right: 0.05rem;
  min-width: 1.35rem;
  height: 1.35rem;
  padding: 0 0.3rem;
  display: grid;
  place-items: center;
  border-radius: var(--pill);
  background: var(--naranja);
  color: var(--crema);
  font-size: 0.75rem;
  font-weight: 800;
  line-height: 1;
  font-variant-numeric: tabular-nums;
}

.cart-badge.is-bumping {
  animation: badge-bump 520ms var(--ease-snap);
}

@keyframes badge-bump {
  0% { transform: scale(1); }
  30% { transform: scale(1.65) rotate(-14deg); }
  60% { transform: scale(0.9) rotate(6deg); }
  100% { transform: scale(1) rotate(0); }
}

/* Hamburguesa hecha con bordes, sin íconos externos */
.menu-btn__bars,
.menu-btn__bars::before,
.menu-btn__bars::after {
  display: block;
  width: 1.4rem;
  height: 2.5px;
  background: var(--negro);
  border-radius: 2px;
  transition: transform var(--t-med) var(--ease-snap), opacity var(--t-fast) linear;
}

.menu-btn__bars {
  position: relative;
}

.menu-btn__bars::before,
.menu-btn__bars::after {
  content: '';
  position: absolute;
  left: 0;
}

.menu-btn__bars::before { top: -7px; }
.menu-btn__bars::after { top: 7px; }

.menu-btn[aria-expanded='true'] .menu-btn__bars { background: transparent; }
.menu-btn[aria-expanded='true'] .menu-btn__bars::before { transform: translateY(7px) rotate(45deg); }
.menu-btn[aria-expanded='true'] .menu-btn__bars::after { transform: translateY(-7px) rotate(-45deg); }

/* Navegación: desplegable en el celular */
.site-nav {
  position: absolute;
  top: 100%;
  left: 0;
  right: 0;
  background: var(--crema);
  border-bottom: var(--line) solid var(--negro);
  transform: translateY(-0.5rem);
  opacity: 0;
  visibility: hidden;
  transition:
    transform var(--t-med) var(--ease-out),
    opacity var(--t-fast) linear,
    visibility 0s linear var(--t-med);
}

.site-nav.is-open {
  transform: none;
  opacity: 1;
  visibility: visible;
  transition-delay: 0s;
}

.site-nav__list {
  display: flex;
  flex-direction: column;
  padding: 0.5rem var(--gutter) 1.25rem;
}

.site-nav__link {
  display: block;
  padding: 0.6rem 0;
  font-family: var(--font-display);
  font-size: 2.4rem;
  line-height: 1;
  letter-spacing: -0.02em;
  text-decoration: none;
  border-bottom: var(--hairline) solid var(--gris);
}

/* Búsqueda */
.search-bar {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 0 var(--gutter) 0.85rem;
}

.search-bar__input {
  flex: 1;
  min-width: 0;
  height: 3rem;
  padding: 0 1.25rem;
  border: var(--line) solid var(--negro);
  border-radius: var(--pill);
  background: var(--crema);
  font-size: 1.05rem;
  font-weight: 500;
}

.search-bar__input::-webkit-search-cancel-button {
  -webkit-appearance: none;
  appearance: none;
}

.search-bar__input:focus-visible {
  outline-offset: 2px;
}

.search-bar__close {
  font-weight: 700;
  text-decoration: underline;
  text-underline-offset: 3px;
  padding: 0.5rem;
}

@media (min-width: 900px) {
  .site-header {
    border-bottom: 0;
  }

  .site-header__inner {
    grid-template-columns: 1fr auto 1fr;
  }

  .menu-btn {
    display: none;
  }

  .site-header__actions {
    justify-self: end;
    gap: 0.75rem;
  }

  .site-nav {
    position: static;
    transform: none;
    opacity: 1;
    visibility: visible;
    background: none;
    border: 0;
    transition: none;
  }

  .site-nav__list {
    flex-direction: row;
    gap: clamp(1.5rem, 3vw, 2.75rem);
    padding: 0;
  }

  .site-nav__link {
    position: relative;
    padding: 0.4rem 0;
    font-family: var(--font-body);
    font-size: 1.12rem;
    font-weight: 500;
    letter-spacing: 0;
    border: 0;
  }

  /* Subrayado que entra de golpe, no un fade tímido */
  .site-nav__link::after {
    content: '';
    position: absolute;
    left: 0;
    right: 0;
    bottom: 0;
    height: 3px;
    background: var(--negro);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform var(--t-fast) var(--ease-out);
  }

  .site-nav__link:hover::after {
    transform: scaleX(1);
  }

  .search-bar {
    justify-content: flex-end;
  }

  .search-bar__input {
    flex: 0 1 26rem;
  }
}