img.headshot { border-radius: 50%; margin: 0 1.5em 1em 0; }

/* Responsive YouTube embed */
figure.video-embed { margin: 1.5em auto; max-width: 720px; }
.video-frame { position: relative; width: 100%; aspect-ratio: 16 / 9; }
.video-frame iframe { position: absolute; inset: 0; width: 100%; height: 100%; border: 0; }
figure.video-embed figcaption { text-align: center; font-style: italic; font-size: 0.9em; margin-top: 0.5em; }

/* Contact icon row */
.social-icons p { display: flex; flex-wrap: wrap; gap: 14px; align-items: center; }
.social-icons a { display: inline-flex; line-height: 0; }
.social-icons img { width: 32px; height: 32px; object-fit: contain; transition: transform 0.15s ease; }
.social-icons a:hover img { transform: scale(1.12); }
/* ORCID icon is a black outline: flip it to white in dark mode */
html[data-theme="dark"] .social-icons img[alt="ORCID"] { filter: invert(1); }