/* Header Styles */
header {
    background-color: white;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
}

header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px 0;
}

.logo h1 {
    font-size: 24px;
    font-weight: 700;
    color: var(--dark-color);
}

.logo h1 span {
    color: var(--primary-color);
}

nav ul {
    display: flex;
}

nav ul li {
    margin-left: 30px;
}

nav ul li a {
    font-weight: 600;
    transition: color 0.3s ease;
}

nav ul li a:hover {
    color: var(--primary-color);
}

.auth-buttons .btn {
    margin-left: 10px;
}

.user-profile {
    display: flex;
    align-items: center;
    gap: 10px;
}

/* Responsive Header */
@media (max-width: 768px) {
    header .container {
        flex-direction: column;
        padding: 15px;
    }

    nav ul {
        margin: 15px 0;
    }

    nav ul li {
        margin-left: 15px;
    }

    .auth-buttons {
        margin-top: 15px;
    }
}

@media (max-width: 576px) {
    nav ul {
        flex-direction: column;
        align-items: center;
    }
    
    nav ul li {
        margin: 5px 0;
    }
}