.footer {
    background: #1f2937;
    color: white;
    margin-top: 50px;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
    padding: 40px 0;
    border-bottom: 1px solid #374151;
}

.feature-item {
    display: flex;
    align-items: center;
    gap: 15px;
}

.feature-item i {
    font-size: 24px;
    color: #2563eb;
}

.feature-item h4 {
    font-size: 14px;
    font-weight: 600;
    margin-bottom: 5px;
}

.feature-item p {
    font-size: 12px;
    color: #9ca3af;
}

.footer-links {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 30px;
    padding: 40px 0;
}

.footer-column h4 {
    font-size: 14px;
    font-weight: 600;
    margin-bottom: 15px;
    color: white;
}

.footer-column a {
    display: block;
    color: #9ca3af;
    text-decoration: none;
    font-size: 13px;
    margin-bottom: 8px;
    transition: color 0.3s;
}

.footer-column a:hover {
    color: #2563eb;
}

.footer-column p {
    color: #9ca3af;
    font-size: 13px;
    margin-bottom: 8px;
    display: flex;
    align-items: center;
    gap: 8px;
}

.social-links {
    display: flex;
    gap: 15px;
}

.social-links a {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 35px;
    height: 35px;
    background: #374151;
    border-radius: 50%;
    color: white;
    transition: background 0.3s;
}

.social-links a:hover {
    background: #2563eb;
}

.footer-bottom {
    text-align: center;
    padding: 20px 0;
    border-top: 1px solid #374151;
}

.payment-methods {
    display: flex;
    justify-content: center;
    gap: 15px;
}

.payment-methods i {
    font-size: 24px;
    color: #9ca3af;
}

/* Responsive Design */
@media (max-width: 768px) {
    .main-container {
        flex-direction: column;
        gap: 20px;
    }
    
    .sidebar {
        width: 100%;
    }
    
    .nav-menu {
        display: none;
    }
    
    .profile-info {
        flex-direction: column;
        gap: 20px;
        text-align: center;
    }
    
    .footer-content,
    .footer-links {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    
    .main-content {
        padding: 20px;
    }
}

@media (max-width: 480px) {
    .header .container {
        height: 60px;
    }
    
    .nav-brand h1 {
        font-size: 20px;
    }
    
    .main-container {
        margin: 20px auto;
        padding: 0 15px;
    }
    
    .profile-section {
        padding: 20px 15px;
    }
    
    .settings-section {
        padding: 20px 15px;
    }
    
    .profile-card {
        padding: 20px;
    }
    
    .password-form {
        padding: 20px;
    }
}