/* header.css — LLAS */

/* ── Base ───────────────────────────────────────────────── */
.site-header {
  position: sticky;
  top: 0;
  z-index: var(--z-header);
  background-color: var(--cor-bg);
  border-bottom: 1px solid var(--cor-borda);
  transition:
    background-color var(--transition-tema),
    border-color var(--transition-tema),
    box-shadow var(--transition-padrao);
}

.site-header.is-scrolled {
  box-shadow: var(--sombra-sm);
}

/* ── Inner: mobile grid (hamburger | logo | actions) ───── */
.site-header__inner {
  display: grid;
  grid-template-columns: 40px 1fr 40px;
  grid-template-areas: 'start logo end';
  align-items: center;
  max-width: var(--max-width);
  margin: 0 auto;
  padding-inline: var(--padding-lateral);
  height: 60px;
  transition: height var(--transition-padrao);
}

.site-header.is-scrolled .site-header__inner {
  height: 50px;
}

/* ── Logo ───────────────────────────────────────────────── */
.site-header__logo {
  grid-area: logo;
  justify-self: center;
  display: flex;
  align-items: center;
}

.site-header__logo svg {
  height: 28px;
  width: auto;
  color: var(--cor-texto);
  transition:
    color var(--transition-tema),
    height var(--transition-padrao);
}

.site-header.is-scrolled .site-header__logo svg {
  height: 24px;
}

/* ── Hamburger (mobile only) ────────────────────────────── */
.site-header__hamburger {
  grid-area: start;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  color: var(--cor-texto);
  border-radius: var(--radius-md);
  flex-shrink: 0;
  transition:
    color var(--transition-padrao),
    background-color var(--transition-padrao);
}

.site-header__hamburger:hover {
  background-color: var(--cor-bg-alt);
}

/* ── Nav (hidden on mobile) ─────────────────────────────── */
.site-header__nav {
  display: none;
}

/* ── Actions ────────────────────────────────────────────── */
.site-header__actions {
  grid-area: end;
  display: flex;
  align-items: center;
  gap: var(--space-1);
  justify-content: flex-end;
}

.header-action {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  color: var(--cor-texto);
  border-radius: var(--radius-md);
  flex-shrink: 0;
  transition:
    color var(--transition-padrao),
    background-color var(--transition-padrao);
}

.header-action:hover {
  background-color: var(--cor-bg-alt);
}

/* Busca oculta no mobile */
.header-action--search {
  display: none;
}

/* Cart badge */
.cart-badge {
  position: absolute;
  top: 5px;
  right: 5px;
  min-width: 15px;
  height: 15px;
  padding: 0 3px;
  background-color: var(--cor-texto);
  color: var(--cor-bg);
  font-size: 0.625rem;
  font-weight: var(--fw-bold);
  line-height: 15px;
  text-align: center;
  border-radius: 8px;
  pointer-events: none;
  transition:
    background-color var(--transition-tema),
    color var(--transition-tema);
}

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

/* ── Desktop (960px+) ───────────────────────────────────── */
@media (min-width: 960px) {
  .site-header__inner {
    grid-template-columns: auto 1fr auto;
    grid-template-areas: 'logo nav end';
    gap: var(--space-6);
    height: 68px;
  }

  .site-header.is-scrolled .site-header__inner {
    height: 56px;
  }

  .site-header__hamburger {
    display: none;
  }

  .site-header__logo {
    justify-self: start;
  }

  .site-header__logo svg {
    height: 32px;
  }

  .site-header.is-scrolled .site-header__logo svg {
    height: 26px;
  }

  .site-header__nav {
    grid-area: nav;
    display: flex;
    align-items: center;
    gap: var(--space-1);
  }

  /* Nav item */
  .nav-item {
    display: flex;
    align-items: center;
    gap: 4px;
    padding: var(--space-2) var(--space-3);
    font-size: var(--fs-sm);
    font-weight: var(--fw-medium);
    letter-spacing: 0.06em;
    text-transform: uppercase;
    color: var(--cor-texto-soft);
    border-radius: var(--radius-md);
    white-space: nowrap;
    transition:
      color var(--transition-padrao),
      background-color var(--transition-padrao);
  }

  .nav-item:hover,
  .nav-item:focus-visible,
  .nav-item[aria-expanded='true'] {
    color: var(--cor-texto);
    background-color: var(--cor-bg-alt);
    outline: none;
  }

  .nav-item__chevron {
    flex-shrink: 0;
    transition: transform var(--transition-padrao);
  }

  .nav-item[aria-expanded='true'] .nav-item__chevron {
    transform: rotate(180deg);
  }

  .header-action--search {
    display: flex;
  }
}