/* Header (Gezinme Çubuğu) - Basit Tasarım */
header {
    background-color: #ffffff;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
    padding: 10px 0;
    position: sticky;
    top: 0;
    z-index: 1000;
}

.navbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 10px 20px;
    max-width: 1200px;
    margin: 0 auto;
}

/* Logo Tasarımı */
.logo {
    display: flex;
    align-items: center;
    gap: 15px;
    font-size: 1.3em;
    font-weight: 600;
    color: #004d40;
    text-decoration: none;
}

.logo:hover {
    color: #00695c;
}

.logo-image {
    max-height: 50px;
    max-width: 200px;
    width: auto;
    height: auto;
    object-fit: contain;
}

.logo i {
    font-size: 1.5em;
    color: #004d40;
}

/* Navigasyon Menüsü */
.nav-links {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
    gap: 20px;
    align-items: center;
}

.nav-links a {
    text-decoration: none;
    color: #333;
    font-weight: 500;
    font-size: 14px;
    padding: 8px 12px;
    border-radius: 4px;
    transition: color 0.2s ease;
}

.nav-links a:hover {
    color: #004d40;
}

.nav-links a.active {
    color: #004d40;
    font-weight: 600;
}

/* Navigasyon Butonları */
.nav-buttons {
    display: flex;
    gap: 10px;
    align-items: center;
}

.btn {
    padding: 8px 16px;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    font-weight: 500;
    font-size: 14px;
    text-decoration: none;
    transition: background-color 0.2s ease;
}

.btn-primary {
    background-color: #004d40;
    color: #ffffff;
}

.btn-primary:hover {
    background-color: #00695c;
}

/* Hamburger Menu */
.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    cursor: pointer;
    padding: 5px;
}

.mobile-menu-toggle span {
    width: 25px;
    height: 3px;
    background-color: #004d40;
    margin: 3px 0;
    transition: all 0.2s ease;
}

/* Mobile Responsive */
@media (max-width: 768px) {
    .mobile-menu-toggle {
        display: flex;
    }
    
    .nav-links {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: white;
        flex-direction: column;
        padding: 20px;
        box-shadow: 0 2px 4px rgba(0,0,0,0.1);
    }
    
    .nav-links.active {
        display: flex;
    }
    
    .nav-links a {
        padding: 12px;
        margin: 2px 0;
    }
    
    .nav-buttons {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: white;
        flex-direction: column;
        padding: 20px;
        box-shadow: 0 2px 4px rgba(0,0,0,0.1);
    }
    
    .nav-buttons.active {
        display: flex;
    }
}