/* 
* RAKWEB - Estilos do Header
* Tema escuro com contraste excelente
*/

.header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  background: rgba(0, 21, 41, 0.9);
  backdrop-filter: blur(10px);
  box-shadow: var(--shadow-md);
  transition: all var(--transition-normal);
  padding: 1rem 0;
}

.header.scrolled {
  padding: 0.5rem 0;
  background: rgba(0, 21, 41, 0.95);
}

.header-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logo {
  display: flex;
  align-items: center;
}

.logo img {
  height: 50px;
  transition: height var(--transition-normal);
}

.header.scrolled .logo img {
  height: 40px;
}

.logo-text {
  margin-left: var(--spacing-sm);
  font-family: var(--font-secondary);
  font-weight: 700;
  font-size: var(--font-size-xl);
  color: var(--text-light);
  display: flex;
  flex-direction: column;
}

.logo-text span {
  display: block;
  font-size: var(--font-size-xs);
  color: var(--accent-color);
  font-weight: 400;
  letter-spacing: 1px;
}

/* Navegação principal */
.nav-toggle {
  display: block;
  width: 30px;
  height: 30px;
  position: relative;
  cursor: pointer;
  z-index: 1001;
  background: transparent;
  border: none;
}

.nav-toggle span {
  display: block;
  position: absolute;
  height: 3px;
  width: 100%;
  background: var(--text-light);
  border-radius: 3px;
  opacity: 1;
  left: 0;
  transform: rotate(0deg);
  transition: var(--transition-fast);
}

.nav-toggle span:nth-child(1) {
  top: 6px;
}

.nav-toggle span:nth-child(2), .nav-toggle span:nth-child(3) {
  top: 15px;
}

.nav-toggle span:nth-child(4) {
  top: 24px;
}

.nav-toggle.active span:nth-child(1) {
  top: 15px;
  width: 0%;
  left: 50%;
}

.nav-toggle.active span:nth-child(2) {
  transform: rotate(45deg);
}

.nav-toggle.active span:nth-child(3) {
  transform: rotate(-45deg);
}

.nav-toggle.active span:nth-child(4) {
  top: 15px;
  width: 0%;
  left: 50%;
}

.nav-menu {
  position: fixed;
  top: 0;
  right: -100%;
  width: 80%;
  max-width: 400px;
  height: 100vh;
  background: var(--primary-dark);
  padding: 6rem var(--spacing-lg) var(--spacing-lg);
  transition: right var(--transition-normal);
  overflow-y: auto;
  z-index: 1000;
  box-shadow: var(--shadow-lg);
}

.nav-menu.active {
  right: 0;
}

.nav-list {
  list-style: none;
  padding: 0;
  margin: 0;
}

.nav-item {
  margin-bottom: var(--spacing-md);
}

.nav-link {
  display: block;
  font-size: var(--font-size-lg);
  color: var(--text-light);
  padding: var(--spacing-sm) 0;
  position: relative;
  transition: color var(--transition-fast);
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--accent-color);
  transition: width var(--transition-normal);
}

.nav-link:hover, .nav-link.active {
  color: var(--accent-color);
}

.nav-link:hover::after, .nav-link.active::after {
  width: 30px;
}

.nav-cta {
  margin-top: var(--spacing-xl);
}

.overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.7);
  z-index: 999;
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-normal);
}

.overlay.active {
  opacity: 1;
  visibility: visible;
}

/* Desktop Navigation */
@media (min-width: 992px) {
  .nav-toggle {
    display: none;
  }
  
  .nav-menu {
    position: static;
    width: auto;
    height: auto;
    background: transparent;
    padding: 0;
    overflow: visible;
    box-shadow: none;
    max-width: none;
  }
  
  .nav-list {
    display: flex;
    align-items: center;
  }
  
  .nav-item {
    margin: 0 var(--spacing-md);
  }
  
  .nav-link {
    font-size: var(--font-size-md);
    padding: var(--spacing-xs) 0;
  }
  
  .nav-cta {
    margin-top: 0;
    margin-left: var(--spacing-lg);
  }
  
  .overlay {
    display: none;
  }
}