/* ===== INDEX HEADER CSS EXCLUSIVO ===== */
/* Este arquivo contém apenas estilos para o header da landing page (index.html) */

/* Header principal da landing page */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: rgba(11, 14, 17, 0.95);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid rgba(43, 47, 54, 0.3);
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  height: 70px;
  box-shadow: 0 2px 20px rgba(0, 0, 0, 0.3);
}

/* Container principal do header */
.header-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
  padding: 0 24px;
  max-width: 1440px;
  margin: 0 auto;
  position: relative;
}

/* ===== SEÇÃO ESQUERDA: LOGO E MARCA ===== */
.logo-section {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-shrink: 0;
}

.header-logo {
  width: 40px;
  height: 40px;
  border-radius: 8px;
  transition: transform 0.2s ease;
}

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

.brand-name {
  font-size: 24px;
  font-weight: 700;
  color: #F0B90B;
  letter-spacing: -0.5px;
  text-decoration: none;
  transition: color 0.2s ease;
}

.brand-name:hover {
  color: #FFD700;
}

/* ===== SEÇÃO CENTRAL: NAVEGAÇÃO ===== */
.nav-menu {
  display: flex;
  align-items: center;
  gap: 32px;
  flex: 1;
  justify-content: center;
  margin: 0 40px;
}

.nav-link {
  position: relative;
  color: #E4E6EA;
  text-decoration: none;
  font-size: 15px;
  font-weight: 500;
  padding: 8px 0;
  transition: all 0.2s ease;
  white-space: nowrap;
}

.nav-link:hover {
  color: #F0B90B;
  transform: translateY(-1px);
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 0;
  height: 2px;
  background: linear-gradient(90deg, #F0B90B, #FFD700);
  transition: width 0.3s ease;
}

.nav-link:hover::after {
  width: 100%;
}

/* ===== SEÇÃO DIREITA: BOTÕES DE AUTENTICAÇÃO ===== */
.auth-buttons {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-shrink: 0;
}

.btn-login {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 10px 20px;
  background: transparent;
  color: #E4E6EA;
  text-decoration: none;
  font-size: 14px;
  font-weight: 600;
  border: 1px solid rgba(228, 230, 234, 0.2);
  border-radius: 8px;
  transition: all 0.2s ease;
  white-space: nowrap;
  min-width: 80px;
}

.btn-login:hover {
  background: rgba(228, 230, 234, 0.1);
  border-color: rgba(228, 230, 234, 0.4);
  color: #FFFFFF;
  transform: translateY(-1px);
}

.btn-register {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 10px 20px;
  background: linear-gradient(135deg, #F0B90B, #FFD700);
  color: #0B0E11;
  text-decoration: none;
  font-size: 14px;
  font-weight: 700;
  border: none;
  border-radius: 8px;
  transition: all 0.2s ease;
  white-space: nowrap;
  min-width: 120px;
  box-shadow: 0 2px 8px rgba(240, 185, 11, 0.3);
}

.btn-register:hover {
  background: linear-gradient(135deg, #FFD700, #F0B90B);
  transform: translateY(-2px);
  box-shadow: 0 4px 16px rgba(240, 185, 11, 0.4);
}

.btn-register:active {
  transform: translateY(0);
  box-shadow: 0 2px 8px rgba(240, 185, 11, 0.3);
}

/* ===== RESPONSIVIDADE ===== */
@media (max-width: 1200px) {
  .nav-menu {
    gap: 24px;
    margin: 0 20px;
  }
  
  .nav-link {
    font-size: 14px;
  }
}

@media (max-width: 992px) {
  .header-container {
    padding: 0 16px;
  }
  
  .nav-menu {
    gap: 20px;
    margin: 0 16px;
  }
  
  .brand-name {
    font-size: 20px;
  }
  
  .header-logo {
    width: 36px;
    height: 36px;
  }
}

@media (max-width: 768px) {
  .header {
    height: 60px;
  }
  
  .header-container {
    padding: 0 12px;
  }
  
  .nav-menu {
    display: none; /* Ocultar menu em telas pequenas */
  }
  
  .brand-name {
    font-size: 18px;
  }
  
  .header-logo {
    width: 32px;
    height: 32px;
  }
  
  .auth-buttons {
    gap: 8px;
  }
  
  .btn-login,
  .btn-register {
    padding: 8px 16px;
    font-size: 13px;
    min-width: auto;
  }
  
  .btn-register {
    min-width: 100px;
  }
}

@media (max-width: 480px) {
  .header {
    height: 56px;
  }
  
  .header-container {
    padding: 0 8px;
  }
  
  .logo-section {
    gap: 8px;
  }
  
  .brand-name {
    font-size: 16px;
  }
  
  .header-logo {
    width: 28px;
    height: 28px;
  }
  
  .auth-buttons {
    gap: 6px;
  }
  
  .btn-login,
  .btn-register {
    padding: 6px 12px;
    font-size: 12px;
  }
  
  .btn-register {
    min-width: 80px;
  }
}

/* ===== ESTADOS ESPECIAIS ===== */
.header.scrolled {
  background: rgba(11, 14, 17, 0.98);
  box-shadow: 0 4px 32px rgba(0, 0, 0, 0.4);
}

.header.compact {
  height: 60px;
}

.header.compact .header-logo {
  width: 36px;
  height: 36px;
}

.header.compact .brand-name {
  font-size: 20px;
}

/* ===== ANIMAÇÕES ===== */
@keyframes fadeInDown {
  from {
    opacity: 0;
    transform: translateY(-20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.header {
  animation: fadeInDown 0.6s ease-out;
}

/* ===== ACESSIBILIDADE ===== */
.nav-link:focus,
.btn-login:focus,
.btn-register:focus {
  outline: 2px solid #F0B90B;
  outline-offset: 2px;
}

/* ===== DARK MODE SUPPORT ===== */
@media (prefers-color-scheme: dark) {
  .header {
    background: rgba(11, 14, 17, 0.95);
  }
  
  .header.scrolled {
    background: rgba(11, 14, 17, 0.98);
  }
}

/* ===== HIGH CONTRAST MODE ===== */
@media (prefers-contrast: high) {
  .header {
    border-bottom: 2px solid #F0B90B;
  }
  
  .nav-link {
    color: #FFFFFF;
  }
  
  .nav-link:hover {
    color: #F0B90B;
  }
  
  .btn-login {
    border: 2px solid #E4E6EA;
  }
  
  .btn-register {
    background: #F0B90B;
    color: #000000;
  }
}