/* ===================================
   TELEHOME - HEADER STYLES
   Cabeçalho e navegação
   =================================== */

header {
  background-color: var(--primary-dark);
  color: var(--white);
  padding: var(--spacing-md) 0;
  position: fixed;
  top: 0;
  width: 100%;
  z-index: var(--z-fixed);
  box-shadow: var(--shadow-md);
}

.header-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--spacing-xl);
}

/* Logo */
.logo {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  font-size: var(--font-size-2xl);
  font-weight: 700;
  color: var(--accent);
  text-decoration: none;
  transition: all var(--transition-fast);
}

.logo:hover {
  transform: scale(1.05);
}

.logo-icon {
  width: 40px;
  height: 40px;
  background: linear-gradient(135deg, var(--accent), var(--accent-light));
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
}

  .logo-img {
    max-height: 52px;
    width: auto;
    display: block;
    object-fit: contain;
    transition: opacity var(--transition-base);
  }

  .logo:hover .logo-img {
    opacity: 0.92;
  }

  .logo {
    gap: var(--spacing-xs);
  }

  .screen-reader-text {
    position: absolute;
    width: 1px;
    height: 1px;
    margin: -1px;
    padding: 0;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
  }

/* Navegação */
nav {
  display: flex;
  gap: var(--spacing-2xl);
  align-items: center;
}

nav a {
  color: var(--white);
  font-weight: 500;
  transition: color var(--transition-fast);
  position: relative;
}

nav a:hover {
  color: var(--accent);
}

nav a::after {
  content: '';
  position: absolute;
  bottom: -5px;
  left: 0;
  width: 0;
  height: 2px;
  background-color: var(--accent);
  transition: width var(--transition-fast);
}

nav a:hover::after {
  width: 100%;
}

nav a.nav-cta {
  display: inline-flex;
  align-items: center;
  padding: calc(var(--spacing-sm) + 2px) var(--spacing-lg);
  border-radius: var(--radius-full);
  background: rgba(0, 212, 170, 0.12);
  border: 1px solid rgba(0, 212, 170, 0.28);
  color: var(--accent);
  font-weight: 700;
}

nav a.nav-cta:hover {
  background: rgba(0, 212, 170, 0.22);
  color: #fff;
}

nav a.nav-cta::after {
  display: none;
}

/* Controles Header */
.header-controls {
  display: flex;
  align-items: center;
  gap: var(--spacing-lg);
}

/* Seletor de Idioma */
.language-selector {
  position: relative;
  display: inline-flex;
  align-items: auto;
  background-color: rgba(255, 255, 255, 0.1);
  padding: var(--spacing-sm) var(--spacing-lg);
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.language-selector:hover {
  background-color: rgba(255, 255, 255, 0.2);
}

.language-selector select {
  appearance: none;
  -webkit-appearance: none;
  -moz-appearance: none;
  background: transparent;
  border: none;
  color: var(--white);
  font-weight: 600;
  cursor: pointer;
  padding: var(--spacing-sm) 2.5rem var(--spacing-sm) 0;
  width: 100%;
  box-sizing: border-box;
  min-width: 0;
  flex: 1 1 auto;
  position: relative;
  z-index: 1;
}

.language-selector select::-ms-expand {
  display: none;
}

.language-selector select:focus {
  outline: none;
}

.language-selector::after {
  content: '▼';
  position: absolute;
  right: var(--spacing-md);
  top: 50%;
  transform: translateY(-50%);
  font-size: 0.7em;
  color: var(--accent);
  pointer-events: none;
  z-index: 0;
}

/* Botão do Menu Mobile */
.menu-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  z-index: var(--z-dropdown);
}

.menu-toggle span {
  width: 25px;
  height: 3px;
  background-color: var(--white);
  border-radius: var(--radius-full);
  transition: all var(--transition-base);
}

.menu-toggle.active span:nth-child(1) {
  transform: rotate(45deg) translate(10px, 10px);
}

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

.menu-toggle.active span:nth-child(3) {
  transform: rotate(-45deg) translate(7px, -7px);
}

/* CTA Button no Header */
.header-cta {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
}

.header-cta .btn {
  white-space: nowrap;
  font-size: var(--font-size-sm);
  padding: var(--spacing-sm) var(--spacing-lg);
}

/* Responsive */
@media (max-width: 768px) {
  .menu-toggle {
    display: flex;
  }

  nav {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    flex-direction: column;
    background-color: var(--primary-dark);
    padding: var(--spacing-xl);
    gap: var(--spacing-lg);
    box-shadow: var(--shadow-lg);
    animation: slideDown 0.3s ease-out;
  }

  nav.active {
    display: flex;
  }

  @keyframes slideDown {
    from {
      opacity: 0;
      transform: translateY(-20px);
    }
    to {
      opacity: 1;
      transform: translateY(0);
    }
  }

  .header-controls {
    flex-direction: column;
    gap: var(--spacing-md);
    width: 100%;
  }

  .language-selector {
    width: 100%;
    justify-content: center;
  }

  .header-cta {
    width: 100%;
  }

  .header-container {
    padding: 0 var(--spacing-md);
  }
}