.link-button-invert {
    text-decoration: none;
    background: #222;
    border: 2px solid #222;
    padding: 10px 20px;
    border-radius: 4px;
    font-weight: 700;
    color: #fff;
    transition: all 0.3s;
    cursor: pointer;
    display: inline-block;
    margin-bottom: 20px;

    position: -webkit-sticky;
    position: sticky;
    top: 20px;
    z-index: 1000;
    
    box-shadow: 0 2px 5px rgba(0,0,0,0.1);
}

.link-button-invert:hover {
    background: #fff;
    color: #222;
    transform: translateY(-3px);
    box-shadow: 0 4px 12px rgba(0,0,0,0.15);
}

.project-card {
    overflow: visible; 
    position: relative;
}

.subtitle {
    color: #4f4f4f;
    font-size: 1.2rem;
    font-weight: 600;
    margin-bottom: 1rem;
}


.img-container {
    background: #ffffff;
    padding: 1.5rem;
    border-radius: 8px;
    border: 1px solid #e1e4e8;
    margin: 2rem 0 0.5rem 0;
    display: flex;
    justify-content: center;
    align-items: center;
    box-shadow: 0 4px 12px rgba(0,0,0,0.05);
}

.img-container img {
    max-width: 100%;
    max-height: 800px;
    height: auto;
    border-radius: 4px;
    object-fit: contain;
}

.img-caption {
    text-align: center;
    display: block;
    font-size: 0.85rem;
    color: #666;
    margin-bottom: 2rem;
}


.code-container {
    background: #1e1e1e;
    border-radius: 6px;
    margin: 1.5rem 0;
    overflow: hidden;
    border: 1px solid #333;
}

.code-header {
    background: #2d2d2d;
    color: #9cdcfe;
    padding: 0.5rem 1rem;
    font-size: 0.9rem;
    border-bottom: 1px solid #444;
}

.code-container pre {
    margin: 0;
    padding: 1.2rem;
    overflow-x: auto;
}

.code-container code {
    font-size: 0.9rem;
    color: #d4d4d4;
    line-height: 1.6;
}

.token.keyword { color: #569cd6; }
.token.string { color: #ce9178; }
.token.comment { color: #6a9955; font-style: italic; }
.token.number { color: #b5cea8; }
.token.function { color: #dcdcaa; }

.tech-box {
    background: #f8fafc;
    border-left: 4px solid #222;
    padding: 1.2rem 1.5rem;
    border-radius: 0 6px 6px 0;
    margin: 1.5rem 0;
}

.tech-box ul {
    list-style-position: outside;
    margin: 0.5rem 0 0 1.2rem;
    padding: 0;
}

.tech-box li {
    margin-bottom: 0.6rem;
    line-height: 1.5;
    color: #334155;
}

.tech-box li:last-child {
    margin-bottom: 0;
}

.tech-box h3 {
    margin-top: 0;
    margin-bottom: 0.8rem;
}