/* ============================================
   BIZ RENT CAR - HEADER CSS
   Versao: 1.0 | Fevereiro 2026
   ============================================ */

/* ============================================
   HEADER BASE
   ============================================ */
.header {
  position: sticky;
  top: 0;
  z-index: var(--z-sticky);
  background: var(--white);
  height: 72px;
  border-bottom: 1px solid var(--border-light);
  transition: background var(--transition-base), box-shadow var(--transition-base), height var(--transition-base);
  box-shadow: none;
}

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

/* Transparent mode (homepage hero) */
.header--transparent {
  background: transparent;
  border-bottom: none;
}

.header--transparent.header--scrolled {
  background: var(--white);
  border-bottom: 1px solid var(--border-light);
  box-shadow: var(--shadow-sm);
}

.header .container {
  height: 100%;
}

/* ============================================
   LOGO
   ============================================ */
.header__logo {
  display: flex;
  align-items: center;
  flex-shrink: 0;
}

.header__logo img {
  height: 40px;
  width: auto;
  transition: height var(--transition-base);
}

.header__logo:hover {
  opacity: 0.9;
}

/* ============================================
   NAVEGACAO DESKTOP
   ============================================ */
.header__nav {
  display: none;
}

@media (min-width: 1024px) {
  .header__nav {
    display: flex;
    align-items: center;
    justify-content: center;
    flex: 1;
  }
}

.header__menu {
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.header__menu > li > a,
.header__dropdown-btn {
  font-family: var(--font-heading);
  font-weight: 500;
  font-size: 15px;
  color: var(--midnight-navy);
  padding: 8px 12px;
  border-radius: var(--radius-md);
  transition: all var(--transition-fast);
  text-decoration: none;
  white-space: nowrap;
}

.header__menu > li > a:hover,
.header__dropdown-btn:hover {
  background: var(--pearl-gray);
  color: var(--midnight-navy);
}

.header__menu > li > a.active {
  color: var(--champagne-gold);
  font-weight: 600;
}

/* ============================================
   DROPDOWN
   ============================================ */
.header__dropdown {
  position: relative;
}

.header__dropdown-btn {
  display: flex;
  align-items: center;
  gap: 4px;
  cursor: pointer;
  background: none;
  border: none;
}

.header__dropdown-btn svg {
  width: 12px;
  height: 12px;
  transition: transform var(--transition-fast);
}

.header__dropdown.active .header__dropdown-btn svg {
  transform: rotate(180deg);
}

.header__dropdown-menu {
  position: absolute;
  top: calc(100% + 8px);
  right: 0;
  background: var(--white);
  min-width: 200px;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  padding: var(--space-2);
  opacity: 0;
  visibility: hidden;
  transform: translateY(-8px);
  transition: all 0.2s ease;
  z-index: var(--z-dropdown);
}

.header__dropdown.active .header__dropdown-menu {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.header__dropdown-menu a {
  display: block;
  padding: 10px 16px;
  border-radius: var(--radius-md);
  font-size: var(--text-body-sm);
  color: var(--charcoal);
  text-decoration: none;
  transition: background var(--transition-fast);
}

.header__dropdown-menu a:hover {
  background: var(--pearl-gray);
  color: var(--midnight-navy);
}

/* ============================================
   ACTIONS
   ============================================ */
.header__actions {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  flex-shrink: 0;
}

/* Hide WhatsApp text on small screens, show icon only */
@media (max-width: 768px) {
  .header__actions .btn--whatsapp .btn__text {
    display: none;
  }

  .header__actions .btn--whatsapp {
    padding: var(--space-2);
    min-height: 40px;
    width: 40px;
    border-radius: 50%;
  }
}

/* ============================================
   LANGUAGE SWITCHER
   ============================================ */
.lang-switcher {
  position: relative;
}

.lang-switcher__btn {
  display: flex;
  align-items: center;
  gap: var(--space-1);
  padding: 6px 10px;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-light);
  background: var(--white);
  cursor: pointer;
  font-size: var(--text-body-sm);
  font-family: var(--font-heading);
  color: var(--midnight-navy);
  transition: all var(--transition-fast);
}

.lang-switcher__btn:hover {
  border-color: var(--champagne-gold);
}

.lang-switcher__btn svg {
  width: 10px;
  height: 10px;
  transition: transform var(--transition-fast);
}

.lang-switcher.active .lang-switcher__btn svg {
  transform: rotate(180deg);
}

.lang-switcher__menu {
  position: absolute;
  top: calc(100% + 4px);
  right: 0;
  background: var(--white);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  padding: var(--space-1);
  min-width: 120px;
  opacity: 0;
  visibility: hidden;
  transform: translateY(-4px);
  transition: all 0.2s ease;
  z-index: var(--z-dropdown);
}

.lang-switcher.active .lang-switcher__menu {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.lang-switcher__link {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  padding: 8px 12px;
  border-radius: var(--radius-md);
  font-size: var(--text-body-sm);
  color: var(--charcoal);
  text-decoration: none;
  transition: background var(--transition-fast);
}

.lang-switcher__link:hover {
  background: var(--pearl-gray);
  color: var(--midnight-navy);
}

.lang-switcher__link--active {
  color: var(--champagne-gold);
  font-weight: 600;
}

/* ============================================
   HAMBURGER
   ============================================ */
.header__hamburger {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  cursor: pointer;
  background: none;
  border: none;
  padding: 0;
}

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

.header__hamburger span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--midnight-navy);
  position: relative;
  transition: background var(--transition-base);
}

.header__hamburger span::before,
.header__hamburger span::after {
  content: '';
  position: absolute;
  width: 24px;
  height: 2px;
  background: var(--midnight-navy);
  left: 0;
  transition: transform var(--transition-base), top var(--transition-base);
}

.header__hamburger span::before {
  top: -8px;
}

.header__hamburger span::after {
  top: 8px;
}

/* Active (X) state */
.header__hamburger.active span {
  background: transparent;
}

.header__hamburger.active span::before {
  top: 0;
  transform: rotate(45deg);
}

.header__hamburger.active span::after {
  top: 0;
  transform: rotate(-45deg);
}

/* Transparent header hamburger color */
.header--transparent:not(.header--scrolled) .header__hamburger span,
.header--transparent:not(.header--scrolled) .header__hamburger span::before,
.header--transparent:not(.header--scrolled) .header__hamburger span::after {
  background: var(--white);
}

.header--transparent:not(.header--scrolled) .header__hamburger.active span {
  background: transparent;
}

/* ============================================
   MOBILE MENU
   ============================================ */
.mobile-menu {
  position: fixed;
  top: 72px;
  right: 0;
  width: 100%;
  max-width: 380px;
  height: calc(100vh - 72px);
  background: var(--white);
  z-index: var(--z-fixed);
  transform: translateX(100%);
  transition: transform 0.3s ease;
  overflow-y: auto;
  padding: var(--space-6);
}

.mobile-menu.active {
  transform: translateX(0);
}

.mobile-menu__overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.5);
  z-index: var(--z-modal-backdrop);
  opacity: 0;
  visibility: hidden;
  transition: all 0.3s ease;
}

.mobile-menu__overlay.active {
  opacity: 1;
  visibility: visible;
}

.mobile-menu__list {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
}

.mobile-menu__link {
  display: block;
  padding: 14px var(--space-4);
  border-radius: var(--radius-md);
  font-family: var(--font-heading);
  font-weight: 500;
  font-size: 16px;
  color: var(--midnight-navy);
  text-decoration: none;
  transition: background var(--transition-fast);
}

.mobile-menu__link:hover {
  background: var(--pearl-gray);
  color: var(--midnight-navy);
}

.mobile-menu__link.active {
  color: var(--champagne-gold);
}

.mobile-menu__divider {
  height: 1px;
  background: var(--border-light);
  margin: var(--space-4) 0;
}

.mobile-menu__cta {
  margin-top: var(--space-4);
}

.mobile-menu__lang {
  display: flex;
  gap: var(--space-4);
  margin-top: var(--space-6);
  justify-content: center;
}

.mobile-menu__lang a {
  font-size: var(--text-body-sm);
  color: var(--slate);
  text-decoration: none;
}

.mobile-menu__lang a.active {
  color: var(--champagne-gold);
  font-weight: 600;
}

/* Body scroll lock when menu is open */
body.menu-open {
  overflow: hidden;
}

/* ============================================
   BREAKPOINTS
   ============================================ */
@media (max-width: 1024px) {
  .header__nav {
    display: none;
  }
}

@media (max-width: 768px) {
  .header {
    height: 64px;
  }

  .header__logo img {
    height: 32px;
  }

  .mobile-menu {
    top: 64px;
    height: calc(100vh - 64px);
  }
}

/* ============================================
   TRANSPARENT HEADER NAV COLORS
   ============================================ */
.header--transparent:not(.header--scrolled) .header__menu > li > a,
.header--transparent:not(.header--scrolled) .header__dropdown-btn {
  color: var(--white);
}

.header--transparent:not(.header--scrolled) .header__menu > li > a:hover,
.header--transparent:not(.header--scrolled) .header__dropdown-btn:hover {
  background: rgba(255, 255, 255, 0.15);
  color: var(--white);
}

.header--transparent:not(.header--scrolled) .lang-switcher__btn {
  border-color: rgba(255, 255, 255, 0.3);
  color: var(--white);
  background: transparent;
}