html, body {
    height: 100%;
    margin: 0;
    padding: 0;
}
body {
    background-color: var(--background-color);
    color: var(--text-color);
    display: flex;
    flex-direction: column;

}
main {
    flex: 1;
}
.section {
    padding: 60px 20px;
}
img {
    border: 1px solid transparent;
    border-radius: 10px;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}
/* img:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.1);
    border-color: transparent;
} */
.site-footer {
    background-color: #f9f9f9;
    color: #333;
    font-size: 0.9rem;
}
  
.site-footer a.footer-link {
    color: inherit;
    text-decoration: none;
}
  
.site-footer a.footer-link:hover {
    text-decoration: underline;
}

.site-footer {
    margin-top: auto;
}   
  
@media (max-width: 768px) {
    
    img {
        max-width: 150px;
    }
    .section {
        height: auto !important;   /* let content define height */
        padding-top: 40px;
        padding-bottom: 40px;
        font-size: 1.2rem;
    }
    .nav-link  {
        font-size: 1.4rem;
        font-weight: bold;
    }
    .contact-btn {
        font-size: 1.4rem;
        font-weight: bold;
    }
    
}