/* Header CSS */
.header-container {
  background-color: #1B1F3B; /* Ana Renk - Lacivert */
  color: #FFFFFF;
  padding: 1rem 2rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  position: sticky;
  top: 0;
  z-index: 1000;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

/* Logo Alanı */
.logo {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-left: 30px;
}

.logo img {
  height: 60px;
  width: auto;
  object-fit: contain;
}

/* Navigasyon */
nav {
  flex: 1;
  display: flex;
  justify-content: center;
}

.nav-links {
  display: flex;
  gap: 1.5rem;
}

.nav-links li a {
  color: #FFFFFF;
  font-weight: 500;
  padding: 0.5rem 0.8rem;
  border-radius: 4px;
  transition: all 0.3s ease;
}

.nav-links li a:hover {
  background-color: #6A0DAD; /* Mor */
  color: #FFFFFF;
}

/* Dropdown Menü */
.dropdown {
  position: relative;
}

.dropdown-menu {
  position: absolute;
  top: 100%;
  left: 0;
  background-color: #2C3E50; /* Gece Mavisi */
  min-width: 180px;
  border-radius: 4px;
  padding: 0.5rem 0;
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
  opacity: 0;
  visibility: hidden;
  transform: translateY(10px);
  transition: all 0.3s ease;
  z-index: 1001;
}

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

.dropdown-menu li a {
  display: block;
  padding: 0.7rem 1.2rem;
  color: #FFFFFF;
}

.dropdown-menu li a:hover {
  background-color: #4B0082; /* Koyu Mor */
}

/* Giriş/Kayıt Butonları */
.auth-buttons {
  display: flex;
  gap: 1rem;
}

.btn-login, .btn-register {
  padding: 0.6rem 1.2rem;
  border-radius: 4px;
  font-weight: 500;
  transition: all 0.3s ease;
}

.btn-login {
  background-color: transparent;
  border: 1px solid #9370DB; /* Menekşe */
  color: #FFFFFF;
}

.btn-login:hover {
  background-color: #9370DB; /* Menekşe */
  color: #FFFFFF;
}

.btn-register {
  background-color: #6A0DAD; /* Mor */
  color: #FFFFFF;
}

.btn-register:hover {
  background-color: #4B0082; /* Koyu Mor */
}

/* Mobil Menü */
.mobile-menu {
  display: none;
  font-size: 1.5rem;
  cursor: pointer;
  color: #FFFFFF;
  background-color: rgba(106, 13, 173, 0.2);
  padding: 0.5rem;
  border-radius: 4px;
  transition: all 0.3s ease;
}

.mobile-menu:hover {
  background-color: rgba(106, 13, 173, 0.4);
}

/* Responsive Tasarım */
@media (max-width: 992px) {
  .nav-links {
    gap: 1rem;
  }
}

@media (max-width: 768px) {
  .header-container {
    padding: 1rem 0.5rem;
    flex-wrap: wrap;
    justify-content: center;
    position: relative;
    min-height: 90px;
  }
  
  .logo {
    order: 2;
    margin: 0 auto;
    padding: 0.5rem 0;
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
    
  }
  
  .mobile-menu {
    display: block !important;
    order: 1;
    z-index: 1001;
    position: absolute;
    left: 1rem;
    top: 50%;
    transform: translateY(-50%);
  }
  
  .auth-buttons {
    order: 3;
    margin: 0;
  }
  
  nav {
    order: 4;
    width: 100%;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background-color: #1B1F3B; /* Ana Renk - Lacivert */
    padding: 1rem;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
    z-index: 1000;
    display: none;
    transition: all 0.4s ease;
  }
  
  nav.active {
    display: block;
  }
  
  .nav-links {
    flex-direction: column;
    width: 100%;
    text-align: center;
  }
  
  .nav-links li a {
    display: block;
    padding: 0.8rem 0;
  }
  
  .dropdown-menu {
    position: static;
    opacity: 1;
    visibility: visible;
    transform: none;
    background-color: #2C3E50; /* Gece Mavisi */
    margin-top: 0.5rem;
    margin-bottom: 0.5rem;
    display: none;
    text-align: center;
  }
  
  .dropdown.active .dropdown-menu {
    display: block;
  }
  
  .auth-buttons {
    display: flex;
    flex-direction: column;
    gap: 0.4rem;
    position: absolute;
    top: 0;
    right: 0.8rem;
    padding: 0.5rem 0;
  }
  
  .btn-login, .btn-register {
    padding: 0.35rem 0.6rem;
    font-size: 0.85rem;
  }
}