/* ============================================
   KUMANI — COMPONENTE: HEADER (v2 — minimal/transparente)
   ============================================ */

.header {
  position: fixed;
  top: 0;
  left: 0;
  z-index: 100;
  width: 100%;
  background: transparent;
  transition: background-color var(--duration-base) var(--ease-standard),
              box-shadow var(--duration-base) var(--ease-standard);
}

.header--scrolled,
.header--static {
  background-color: var(--color-bg);
  box-shadow: var(--shadow-sm);
}

.header__inner {
  max-width: var(--container-max);
  margin-inline: auto;
  padding-inline: var(--space-container-x);
  height: 72px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-6);
}

.header__logo {
  font-weight: var(--fw-bold);
  font-size: var(--fs-md);
  letter-spacing: var(--ls-wide);
  color: var(--color-text-primary);
  flex-shrink: 0;
}

.header--scrolled .header__logo,
.header--static .header__logo {
  color: var(--color-text-primary);
}

.header:not(.header--scrolled):not(.header--static) .header__logo {
  color: var(--color-neutral-0);
}

.header__nav {
  flex: 1;
  display: flex;
  justify-content: center;
}

.header__nav-list {
  display: flex;
  align-items: center;
  gap: var(--space-6);
}

.header__nav-link {
  font-size: 11px;
  font-weight: var(--fw-medium);
  letter-spacing: var(--ls-widest);
  text-transform: uppercase;
  color: var(--color-text-primary);
  position: relative;
  padding-block: var(--space-2);
  transition: opacity var(--duration-fast) var(--ease-standard);
}

.header:not(.header--scrolled):not(.header--static) .header__nav-link {
  color: var(--color-neutral-0);
}

.header__nav-link:hover,
.header__nav-link:focus-visible {
  opacity: 0.65;
}

.header__actions {
  display: flex;
  align-items: center;
  gap: var(--space-5);
  flex-shrink: 0;
}

.header__cart {
  position: relative;
  display: flex;
  align-items: center;
  color: inherit;
}

.header__cart-icon {
  color: var(--color-text-primary);
}

.header:not(.header--scrolled):not(.header--static) .header__cart-icon {
  color: var(--color-neutral-0);
}

.header__cart-count {
  position: absolute;
  top: -6px;
  right: -8px;
  min-width: 16px;
  height: 16px;
  padding-inline: 3px;
  background: var(--color-brand-primary);
  color: var(--color-text-on-brand);
  font-size: 10px;
  font-weight: var(--fw-bold);
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  line-height: 1;
}

@media (max-width: 1023px) {
  .header__nav {
    display: none;
  }
}

/* --- Botão de menu mobile --- */
.header__menu-toggle {
  display: none;
  width: 40px;
  height: 40px;
  align-items: center;
  justify-content: center;
}

@media (max-width: 1023px) {
  .header__menu-toggle {
    display: flex;
  }
}

.header__menu-icon {
  position: relative;
  width: 20px;
  height: 14px;
  display: block;
}

.header__menu-icon span {
  position: absolute;
  left: 0;
  width: 100%;
  height: 2px;
  background: var(--color-text-primary);
  border-radius: var(--radius-full);
  transition: transform var(--duration-fast) var(--ease-standard),
              opacity var(--duration-fast) var(--ease-standard),
              top var(--duration-fast) var(--ease-standard);
}

.header:not(.header--scrolled):not(.header--static) .header__menu-icon span {
  background: var(--color-neutral-0);
}

.header__menu-icon span:nth-child(1) { top: 0; }
.header__menu-icon span:nth-child(2) { top: 6px; }
.header__menu-icon span:nth-child(3) { top: 12px; }

.header__menu-toggle[aria-expanded="true"] .header__menu-icon span:nth-child(1) {
  top: 6px;
  transform: rotate(45deg);
}
.header__menu-toggle[aria-expanded="true"] .header__menu-icon span:nth-child(2) {
  opacity: 0;
}
.header__menu-toggle[aria-expanded="true"] .header__menu-icon span:nth-child(3) {
  top: 6px;
  transform: rotate(-45deg);
}

.header__menu-toggle[aria-expanded="true"] .header__menu-icon span {
  background: var(--color-text-primary) !important;
}

/* --- Painel mobile full-screen --- */
.header__mobile-panel {
  position: fixed;
  inset: 0;
  top: 72px;
  background: var(--color-bg);
  padding: var(--space-8) var(--space-container-x);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  transform: translateX(100%);
  transition: transform var(--duration-base) var(--ease-emphasized);
  z-index: 99;
}

.header__mobile-panel.is-open {
  transform: translateX(0);
}

.header__mobile-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-6);
}

.header__mobile-link {
  font-size: var(--fs-2xl);
  font-weight: var(--fw-bold);
  color: var(--color-text-primary);
}

.header__mobile-cta {
  display: block;
  text-align: center;
  background: var(--color-brand-primary);
  color: var(--color-text-on-brand);
  font-weight: var(--fw-bold);
  padding: var(--space-4);
  border-radius: var(--radius-button);
}

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

body.menu-open {
  overflow: hidden;
}