.footer {
    background: linear-gradient(135deg, #1a1a2e 0%, #16213e 100%);
    color: white;
    padding: 4rem 0 2rem;
    margin-top: auto;
    position: relative;
    overflow: hidden;
}

.footer::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, #4cc9f0, #4361ee, #f72585);
}

.footer h5 {
    color: #4cc9f0;
    font-weight: 600;
    margin-bottom: 1.5rem;
    position: relative;
    padding-bottom: 10px;
}

.footer h5::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 40px;
    height: 3px;
    background: linear-gradient(90deg, #4361ee, #4cc9f0);
    border-radius: 2px;
}

.footer-links {
    list-style: none;
    padding: 0;
    margin: 0;
}

.footer-links li {
    margin-bottom: 0.8rem;
}

.footer-links a {
    color: rgba(255, 255, 255, 0.8);
    text-decoration: none;
    transition: all 0.3s ease;
    display: inline-flex;
    align-items: center;
}

.footer-links a:hover {
    color: #4cc9f0;
    padding-left: 8px;
}

.footer-links a i {
    margin-right: 10px;
    font-size: 0.9rem;
    width: 20px;
    text-align: center;
}

/* Contact Info */
.contact-info {
    display: flex;
    align-items: center;
    margin-bottom: 1rem;
}

.contact-icon {
    width: 40px;
    height: 40px;
    background: rgba(76, 201, 240, 0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-right: 15px;
    color: #4cc9f0;
    font-size: 1.2rem;
}

/* WhatsApp Button */
.whatsapp-btn {
    background: linear-gradient(45deg, #25D366, #128C7E);
    color: white;
    border: none;
    padding: 10px 20px;
    border-radius: 25px;
    display: inline-flex;
    align-items: center;
    text-decoration: none;
    transition: all 0.3s ease;
    font-weight: 500;
}

.whatsapp-btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 20px rgba(37, 211, 102, 0.3);
    color: white;
}

.whatsapp-btn i {
    margin-right: 10px;
    font-size: 1.2rem;
}

/* Social Media */
.social-links {
    display: flex;
    gap: 15px;
    margin-top: 1.5rem;
}

.social-link {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.1);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    text-decoration: none;
    transition: all 0.3s ease;
    font-size: 1.2rem;
}

.social-link:hover {
    transform: translateY(-5px) scale(1.1);
    background: #4cc9f0;
    color: white;
}

/* Newsletter */
.newsletter-form {
    display: flex;
    margin-top: 1rem;
}

.newsletter-input {
    flex: 1;
    padding: 10px 15px;
    border: none;
    border-radius: 25px 0 0 25px;
    background: rgba(255, 255, 255, 0.1);
    color: white;
}

.newsletter-input::placeholder {
    color: rgba(255, 255, 255, 0.6);
}

.newsletter-btn {
    background: linear-gradient(45deg, #4361ee, #4cc9f0);
    border: none;
    color: white;
    padding: 10px 20px;
    border-radius: 0 25px 25px 0;
    cursor: pointer;
    transition: all 0.3s ease;
}

.newsletter-btn:hover {
    background: linear-gradient(45deg, #3a56d4, #43b5d9);
}

/* Copyright */
.copyright {
    text-align: center;
    padding-top: 2rem;
    margin-top: 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    color: rgba(255, 255, 255, 0.6);
    font-size: 0.9rem;
}

.copyright a {
    color: #4cc9f0;
    text-decoration: none;
}

/* Back to top button */
.back-to-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 50px;
    height: 50px;
    background: linear-gradient(45deg, #4361ee, #4cc9f0);
    color: white;
    border: none;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    cursor: pointer;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
    z-index: 999;
    box-shadow: 0 5px 15px rgba(67, 97, 238, 0.3);
}

.back-to-top.show {
    opacity: 1;
    visibility: visible;
}

.back-to-top:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 20px rgba(67, 97, 238, 0.4);
}

/* Responsive footer */
@media (max-width: 768px) {
    .footer {
        padding: 3rem 0 1.5rem;
        text-align: center;
    }
    
    .footer h5::after {
        left: 50%;
        transform: translateX(-50%);
    }
    
    .contact-info {
        justify-content: center;
    }
    
    .newsletter-form {
        flex-direction: column;
        gap: 10px;
    }
    
    .newsletter-input,
    .newsletter-btn {
        border-radius: 25px;
        width: 100%;
    }
    
    .social-links {
        justify-content: center;
    }
}