/* Header */
header {
    position: fixed;
    top: 0;
    width: 100%;
    background-color: var(--blue-main);
    border-bottom: 1px solid rgba(100, 255, 218, 0.1);
    z-index: 50;
    transition: all 0.3s ease;
}

nav {
    max-width: 72rem;
    margin: 0 auto;
    padding: 0 1rem;
    padding-top: 0.875rem;
    padding-bottom: 0.875rem;
}

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-size: 1.125rem;
    font-family: 'Fira Code', monospace;
    font-weight: 600;
    color: var(--electric-blue);
    text-decoration: none;
}

.nav-links {
    display: flex;
    list-style: none;
    gap: 2rem;
}

.nav-links a {
    color: #FFFFFF;
    text-decoration: none;
    transition: color 0.3s ease;
}

.nav-links a:hover {
    color: var(--electric-blue);
}

.mobile-menu-btn {
    display: block;
    color: var(--electric-blue);
    background: none;
    border: none;
    font-size: 1.25rem;
    cursor: pointer;
    z-index: 100;
}

/* Mobile Menu Styles */
@media (max-width: 767px) {
    .nav-menu {
        position: absolute;
        top: 100%;
        left: 0;
        width: 100%;
        background-color: var(--night);
        border-top: 1px solid var(--border-gray);
        flex-direction: column;
        padding: 1rem 0;
        display: none;
    }
    
    .nav-menu.show {
        display: flex;
    }
    
    .nav-links {
        flex-direction: column;
        gap: 0;
    }
    
    .nav-links li {
        width: 100%;
    }
    
    .nav-links a {
        display: block;
        padding: 1rem 1.5rem;
        border-bottom: 1px solid var(--border-gray);
    }
    
    .nav-links a:hover {
        background-color: var(--night-light);
    }
}

/* Responsive */
@media (min-width: 480px) {
    nav {
        padding: 0 1.25rem;
        padding-top: 0.9375rem;
        padding-bottom: 0.9375rem;
    }
    
    .logo {
        font-size: 1.25rem;
    }
}

@media (min-width: 768px) {
    nav {
        padding: 0 1.5rem;
        padding-top: 1rem;
        padding-bottom: 1rem;
    }
    
    .nav-menu {
        display: flex !important;
    }
    
    .mobile-menu-btn {
        display: none;
    }
}

@media (min-width: 1024px) {
    .nav-links {
        gap: 2.5rem;
    }
}