header{background:var(--fsi-primary);color:white;padding:1rem 0;text-align:center}.logo{font-size:1.5rem;font-weight:700}.contact-info{margin-top:.5rem;font-size:.9rem}.toc-list{list-style:none;padding-left:0}.toc-list li{margin:.5rem 0}.toc-list a{color:var(--fsi-dark);text-decoration:none;font-weight:500}.toc-list a:hover{color:var(--fsi-primary)}.video-container{position:relative;padding-bottom:56.25%;height:0;overflow:hidden;margin:2rem 0;border-radius:8px}.video-placeholder{position:absolute;top:0;left:0;width:100%;height:100%;background:var(--fsi-neutral);border:2px dashed var(--fsi-primary);display:flex;align-items:center;justify-content:center;text-align:center;color:var(--fsi-primary)}