/* =========================================
   HEADER / NAVEGAÇÃO
   ========================================= */

.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;

  padding-block: var(--space-md);

  transition:
    padding var(--duration-medium) var(--ease-standard),
    background var(--duration-medium) var(--ease-standard),
    border-color var(--duration-medium) var(--ease-standard);

  border-bottom: 1px solid transparent;
}

.header.is-scrolled {
  padding-block: var(--space-xs);

  /* MARROM/DOURADO — substitui o azul */
  background:
    linear-gradient(
      90deg,
      rgba(42, 29, 20, 0.96),
      rgba(53, 37, 26, 0.92),
      rgba(42, 29, 20, 0.96)
    );

  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);

  border-bottom-color: rgba(214, 160, 74, 0.20);
}

.header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-md);
}

.header__brand {
  display: flex;
  align-items: center;
  gap: var(--space-2xs);
  color: var(--color-text);
}

.header__mark {
  width: 20px;
  height: 34px;
  color: var(--color-gold);
}

.header__brand-name {
  font-family: var(--font-display);
  font-size: 1.05rem;
  letter-spacing: 0.02em;
}

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

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

.header__nav-link {
  position: relative;
  font-size: var(--fs-small);
  font-weight: 600;
  letter-spacing: 0.02em;
  color: var(--color-text-muted);
  padding-block: 0.25rem;
}

.header__nav-link::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -2px;
  width: 0;
  height: 1px;
  background: var(--color-gold);
  transition: width var(--duration-medium) var(--ease-standard);
}

.header__nav-link:hover,
.header__nav-link:focus-visible {
  color: var(--color-text);
}

.header__nav-link:hover::after,
.header__nav-link:focus-visible::after {
  width: 100%;
}

.header__cta {
  padding: 0.6rem 1.4rem;
  font-size: 0.75rem;
}

.header__toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 40px;
  height: 40px;
  z-index: 110;
}

.header__toggle span {
  width: 100%;
  height: 2px;
  background: var(--color-text);
  transition:
    transform var(--duration-fast) var(--ease-standard),
    opacity var(--duration-fast) var(--ease-standard);
}

.header__toggle[aria-expanded="true"] span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.header__toggle[aria-expanded="true"] span:nth-child(2) {
  opacity: 0;
}

.header__toggle[aria-expanded="true"] span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}
/* =========================================
   MENU MOBILE — FUNDO AO ABRIR
   ========================================= */

.header__nav {
  position: relative;
}

/* =========================================
   MENU MOBILE ABERTO
========================================= */

.header.nav-open {
  background:
    linear-gradient(
      135deg,
      rgba(42, 29, 20, 0.98),
      rgba(53, 37, 26, 0.98)
    ) !important;

  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);

  border-bottom: 1px solid rgba(214, 160, 74, 0.25);

  box-shadow:
    0 20px 50px rgba(0, 0, 0, 0.35),
    0 0 40px rgba(214, 160, 74, 0.06);
}

/* Links do menu aberto */

.header.nav-open .header__nav-link {
  color: var(--color-text);
}

.header.nav-open .header__nav-link:hover {
  color: var(--color-gold-light);
}

/* Botão enquanto estiver aberto */

.header.nav-open .header__toggle span {
  background: var(--color-gold-light);
}