footer {
    background: rgba(0, 12, 14, 0.85);
    border-top: 1px solid rgba(0, 184, 187, 0.25);
    color: #CBD5E1;
    padding: 2.5rem 2rem;
    position: relative;
    z-index: 100;
    width: 100%;
}

.footer-container {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 2rem;
}

.footer-col h3 {
    color: #00E6E9;
    font-size: 1rem;
    margin-bottom: 1rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.footer-col p,
.footer-col a {
    color: #CBD5E1;
    font-size: 0.95rem;
    line-height: 1.8;
    text-decoration: none;
    display: block;
    margin-bottom: 0.4rem;
}

.footer-col a:hover {
    color: #00E6E9;
    text-decoration: underline;
}

@media (max-width: 768px) {
    .footer-container {
        grid-template-columns: 1fr 1fr;
    }
}

@media (max-width: 480px) {
    .footer-container {
        grid-template-columns: 1fr;
    }
}