/* Single-panel oval subject selector for Expertise. */
.expertise-tabs{max-width:1050px;margin:0 auto 18px;display:flex;flex-wrap:wrap;gap:10px}.expertise-tab{appearance:none;border:1px solid #3b5687;border-radius:999px;background:#172846;color:#dbe5fb;padding:10px 16px;font:600 13px 'DM Sans',Arial,sans-serif;cursor:pointer;transition:background .2s,border-color .2s,color .2s}.expertise-tab:hover,.expertise-tab.active{background:#54d6d2;color:#10203c;border-color:#54d6d2}.expertise-panels{max-width:1050px;margin:0 auto}.topic-panel{min-height:250px;padding:34px;background:#172846;border:1px solid #37517e;border-left:5px solid #ffd166;color:#fff}.topic-panel[hidden]{display:none}.topic-panel span{font:11px 'DM Mono',monospace;letter-spacing:.1em;color:#54d6d2}.topic-panel h3{font-size:clamp(26px,3.5vw,42px);letter-spacing:-.045em;margin:25px 0 14px}.topic-panel p{max-width:800px;color:#d7e0f4;line-height:1.75;margin:0}.topic-panel small{display:block;max-width:800px;margin-top:22px;padding-top:16px;border-top:1px solid #355078;color:#ffd166;line-height:1.6;font-size:13px}@media(max-width:700px){.expertise-tabs{gap:8px}.expertise-tab{padding:8px 12px;font-size:12px}.topic-panel{padding:25px;min-height:0}.topic-panel h3{font-size:27px}.topic-panel p{font-size:14px}}