/* Footer Styles */
.footer {
    background-color: var(--mind-dark);
    color: rgba(255, 255, 255, 0.8);
    padding: 5rem 0 0;
    position: relative;
    overflow: hidden;
}

.footer::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--mind-gradient);
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 3rem;
    margin-bottom: 4rem;
}

.footer-brand {
    padding-right: 2rem;
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin-bottom: 1.5rem;
    text-decoration: none;
}

.footer-logo img {
    width: 100px;
    height: 100px;
}

.footer-logo span {
    font-size: 1.75rem;
    font-weight: 800;
    color: white;
    background: var(--mind-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.footer p {
    margin-bottom: 1.5rem;
    line-height: 1.7;
    opacity: 0.9;
}

.social-links {
    display: flex;
    gap: 1rem;
    margin-top: 1.5rem;
}

.social-links a {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.1);
    color: white;
    transition: var(--transition);
}

.social-links a:hover {
    background: var(--mind-primary);
    transform: translateY(-3px);
}

.footer-links h4 {
    color: white;
    font-size: 1.1rem;
    margin-bottom: 1.5rem;
    position: relative;
    padding-bottom: 0.75rem;
}

.footer-links h4::after {
    content: '';
    position: absolute;
    left: 0;
    bottom: 0;
    width: 40px;
    height: 2px;
    background: var(--mind-primary);
}

.footer-links ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

.footer-links li {
    margin-bottom: 0.75rem;
}

.footer-links a {
    color: rgba(255, 255, 255, 0.8);
    text-decoration: none;
    transition: var(--transition);
    display: inline-block;
    padding: 0.25rem 0;
}

.footer-links a:hover {
    color: white;
    transform: translateX(5px);
}

.newsletter-form {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    margin-top: 1.5rem;
}

.newsletter-form input[type="email"] {
    width: 100%;
    padding: 0.75rem 1rem;
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 4px;
    background: rgba(255, 255, 255, 0.1);
    color: white;
    font-size: 0.95rem;
    transition: var(--transition);
}

.newsletter-form input[type="email"]:focus {
    outline: none;
    border-color: var(--mind-primary);
    background: rgba(255, 255, 255, 0.15);
    box-shadow: 0 0 0 2px rgba(37, 99, 235, 0.3);
}

.newsletter-form .btn-newsletter {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    width: 100%;
    padding: 0.75rem 1.5rem;
    background: var(--mind-primary);
    color: white;
    border: none;
    border-radius: 4px;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
}

.newsletter-form .btn-newsletter:hover {
    background: var(--mind-primary-dark);
    transform: translateY(-2px);
}

.newsletter-form .btn-newsletter .btn-icon {
    font-size: 0.9rem;
}

.newsletter-form input::placeholder {
    color: rgba(255, 255, 255, 0.6);
}

.newsletter-form input:focus {
    outline: none;
    border-color: var(--mind-primary);
    box-shadow: 0 0 0 2px rgba(37, 99, 235, 0.3);
}

.newsletter-form .btn {
    white-space: nowrap;
    padding: 0.75rem 1.5rem;
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding: 1.5rem 0;
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    align-items: center;
    gap: 1rem;
}

.footer-bottom p {
    margin: 0;
    font-size: 0.9rem;
    opacity: 0.8;
}

.footer-legal {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.footer-legal a {
    color: rgba(255, 255, 255, 0.8);
    text-decoration: none;
    font-size: 0.9rem;
    transition: var(--transition);
}

.footer-legal a:hover {
    color: white;
}

.footer-legal span {
    opacity: 0.5;
}

/* Responsive Design */
@media (max-width: 1024px) {
    .footer-content {
        gap: 2rem;
    }
    
    .footer-brand {
        grid-column: 1 / -1;
        padding-right: 0;
    }
}

@media (max-width: 640px) {
    .footer {
        padding: 3rem 0 0;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        gap: 2.5rem;
    }
    
    .footer-bottom {
        flex-direction: column;
        text-align: center;
        gap: 0.5rem;
    }
    
    .footer-legal {
        margin-top: 0.5rem;
    }
    
    .newsletter-form {
        flex-direction: column;
    }
    
    .newsletter-form .btn {
        width: 100%;
    }
}