.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: 100px;
    background: #ffffff;
    padding: 0.75rem 2rem;
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.05);
    display: flex;
    justify-content: space-between;
    align-items: center;
    z-index: 1000;
}

.nav-brand {
    display: flex;
    align-items: center;
    padding: 0.5rem 0;
}

.nav-brand a {
    display: block;
    line-height: 0;
}

.logo {
    height: 60px;
    width: auto;
    object-fit: contain;
    margin-right: 1rem;
}

.nav-menu {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-grow: 2;
    margin-left: 2rem;
}

.nav-list {
    display: flex;
    align-items: center;
    gap: 2rem;
    list-style: none;
    margin: 0;
    padding: 0;
}

.nav-list a {
    color: #333;
    text-decoration: none;
    font-weight: 500;
    font-size: 0.95rem;
    padding: 0.5rem;
    transition: color 0.3s ease;
}

.nav-list a:hover,
.nav-list a.active {
    color: #007bff;
}

.nav-list .dropdown-toggle {
    display: flex;
    align-items: center;
    gap: 0.25rem;
}

.nav-list .dropdown-toggle::after {
    margin-top: 2px;
}

.dropdown {
    position: relative;
}

.dropdown-toggle {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.dropdown-toggle::after {
    content: '';
    display: inline-block;
    width: 0.4rem;
    height: 0.4rem;
    border-right: 2px solid currentColor;
    border-bottom: 2px solid currentColor;
    transform: rotate(45deg);
    transition: transform 0.3s ease;
}

.dropdown-toggle.active::after {
    transform: rotate(-135deg);
}

.dropdown-menu {
    position: absolute;
    top: 100%;
    left: 0;
    background: #ffffff;
    min-width: 200px;
    padding: 0.5rem 0;
    border-radius: 4px;
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: all 0.3s ease;
}

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

.dropdown-menu li {
    list-style: none;
}

.dropdown-menu a {
    display: block;
    padding: 0.5rem 1rem;
    color: #333;
    text-decoration: none;
    transition: background-color 0.3s ease;
}

.dropdown-menu a:hover {
    background-color: #f8f9fa;
    color: #007bff;
}

.nav-auth {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-left: auto;
}

.nav-auth .btn {
    padding: 0.5rem 1.5rem;
    border-radius: 50px;
    text-decoration: none;
    transition: all 0.3s ease;
    font-weight: 500;
    font-size: 0.95rem;
    text-align: center;
}

.btn-login {
    color: #007bff;
    border: 1px solid #007bff;
    background: transparent;
}

.btn-login:hover {
    background-color: rgba(0, 123, 255, 0.1);
}

.btn-register {
    background-color: #007bff;
    color: #ffffff;
    border: 1px solid #007bff;
}

.btn-register:hover {
    background-color: #0056b3;
    border-color: #0056b3;
}

.nav-toggle {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0.5rem;
    z-index: 1001;
}

.hamburger {
    display: block;
    position: relative;
    width: 24px;
    height: 2px;
    background: #333;
    transition: all 0.3s ease;
}

.hamburger::before,
.hamburger::after {
    content: '';
    position: absolute;
    width: 24px;
    height: 2px;
    background: #333;
    transition: all 0.3s ease;
}

.hamburger::before {
    top: -6px;
}

.hamburger::after {
    bottom: -6px;
}

.nav-toggle.active .hamburger {
    background: transparent;
}

.nav-toggle.active .hamburger::before {
    transform: rotate(45deg);
    top: 0;
}

.nav-toggle.active .hamburger::after {
    transform: rotate(-45deg);
    bottom: 0;
}

@media (max-width: 768px) {
    .nav-toggle {
        display: block;
    }

    .nav-menu {
        position: fixed;
        top: 0;
        right: -100%;
        width: 80%;
        max-width: 400px;
        height: 100vh;
        background: #ffffff;
        flex-direction: column;
        padding: 5rem 2rem 2rem;
        transition: right 0.3s ease;
        box-shadow: -2px 0 5px rgba(0, 0, 0, 0.1);
    }

    .nav-menu.active {
        right: 0;
    }

    .nav-list {
        flex-direction: column;
        width: 100%;
    }

    .dropdown-menu {
        position: static;
        box-shadow: none;
        opacity: 1;
        visibility: visible;
        transform: none;
        display: none;
        padding-left: 1rem;
    }

    .dropdown-menu.show {
        display: block;
    }

    .nav-auth {
        flex-direction: column;
        width: 100%;
    }
}