/* ===== Menu / Header ===== */

.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  height: calc(var(--header-height) + env(safe-area-inset-top, 0px));
  padding-top: env(safe-area-inset-top, 0px);
  background: rgba(10, 10, 10, 0.85);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--color-border);
  transition: background var(--transition), box-shadow var(--transition);
}

.header.scrolled {
  background: rgba(10, 10, 10, 0.97);
  box-shadow: var(--shadow-soft);
}

.header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: var(--header-height);
  min-height: var(--header-height);
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 1.5rem;
}

.header__logo {
  font-family: var(--font-serif);
  font-size: 1.35rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  white-space: nowrap;
}

.header__logo span {
  color: var(--color-accent);
}

.header__logo-img {
  height: 42px;
  width: auto;
  display: block;
}

.nav {
  display: flex;
  align-items: center;
  gap: 2rem;
}

.nav__list {
  display: flex;
  align-items: center;
  gap: 1.75rem;
}

.nav__link {
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  position: relative;
  padding: 0.25rem 0;
}

.nav__link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 1px;
  background: var(--color-accent);
  transition: width var(--transition);
}

.nav__link:hover::after,
.nav__link.active::after {
  width: 100%;
}

.nav__link:hover {
  color: var(--color-text);
}

.nav__dropdown {
  position: relative;
}

.nav__dropdown-toggle {
  display: flex;
  align-items: center;
  gap: 0.35rem;
  cursor: pointer;
}

.nav__dropdown-toggle svg {
  width: 10px;
  height: 10px;
  transition: transform var(--transition);
}

.nav__dropdown:hover .nav__dropdown-toggle svg,
.nav__dropdown.open .nav__dropdown-toggle svg {
  transform: rotate(180deg);
}

.nav__dropdown-menu {
  position: absolute;
  top: calc(100% + 0.75rem);
  left: 50%;
  transform: translateX(-50%) translateY(8px);
  min-width: 200px;
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: 4px;
  padding: 0.5rem 0;
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition);
  box-shadow: var(--shadow-soft);
}

.nav__dropdown:hover .nav__dropdown-menu,
.nav__dropdown.open .nav__dropdown-menu {
  opacity: 1;
  visibility: visible;
  transform: translateX(-50%) translateY(0);
}

@media (max-width: 768px) {
  .nav__dropdown:hover .nav__dropdown-menu,
  .nav__dropdown.open .nav__dropdown-menu {
    transform: none;
  }
}

.nav__dropdown-item {
  display: block;
  padding: 0.65rem 1.25rem;
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  transition: background var(--transition), color var(--transition);
}

.nav__dropdown-item:hover {
  background: rgba(201, 169, 98, 0.1);
  color: var(--color-accent);
}

.menu-toggle {
  display: none;
  position: relative;
  flex-shrink: 0;
  width: 44px;
  height: 44px;
  min-width: 44px;
  min-height: 44px;
  padding: 0;
  margin: 0;
  border: 1px solid rgba(201, 169, 98, 0.28);
  border-radius: 10px;
  background: rgba(201, 169, 98, 0.1);
  cursor: pointer;
  z-index: 1002;
  -webkit-tap-highlight-color: transparent;
  touch-action: manipulation;
  transition: background 0.25s ease, border-color 0.25s ease, transform 0.15s ease;
}

.menu-toggle:active {
  transform: scale(0.94);
}

.menu-toggle:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 2px;
}

.menu-toggle span {
  position: absolute;
  left: 50%;
  width: 18px;
  height: 2px;
  margin-left: -9px;
  border-radius: 2px;
  background: var(--color-text);
  transition: transform 0.28s ease, top 0.28s ease, opacity 0.2s ease, background 0.25s ease;
  transform-origin: center;
  pointer-events: none;
}

.menu-toggle span:nth-child(1) {
  top: 15px;
}

.menu-toggle span:nth-child(2) {
  top: 21px;
}

.menu-toggle span:nth-child(3) {
  top: 27px;
}

.header.is-menu-open .menu-toggle,
.menu-toggle.active {
  background: rgba(201, 169, 98, 0.18);
  border-color: var(--color-accent);
}

.header.is-menu-open .menu-toggle span,
.menu-toggle.active span {
  background: var(--color-accent);
}

.menu-toggle.active span:nth-child(1) {
  top: 21px;
  transform: rotate(45deg);
}

.menu-toggle.active span:nth-child(2) {
  opacity: 0;
  transform: scaleX(0);
}

.menu-toggle.active span:nth-child(3) {
  top: 21px;
  transform: rotate(-45deg);
}

/* Overlay escuro atras do menu (mobile) */
.nav-overlay {
  display: none;
  position: fixed;
  inset: 0;
  z-index: 999;
  background: rgba(0, 0, 0, 0.55);
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.3s ease, visibility 0.3s ease;
  -webkit-tap-highlight-color: transparent;
}

.nav-overlay.visible {
  opacity: 1;
  visibility: visible;
}

.header.is-menu-open {
  background: rgba(10, 10, 10, 0.98);
  box-shadow: var(--shadow-soft);
}

body.menu-open {
  overflow: hidden;
  position: fixed;
  width: 100%;
  left: 0;
  right: 0;
}

body.menu-open .header {
  z-index: 1003;
}