.foundation-extra{border-top:1px solid #436055;margin-top:32px;padding-top:26px}.foundation-extra h3{font-size:23px;margin-top:32px}.foundation-visual{margin:24px 0;padding:20px;background:#172c30;border-radius:18px;overflow-x:auto}.foundation-visual svg{width:100%;min-width:480px;display:block;font-family:system-ui,sans-serif}.foundation-visual figcaption,.foundation-ref{font-size:14px!important;color:#b4c9c0;line-height:1.7}.foundation-ref{margin-top:24px}@media(max-width:600px){.foundation-visual{padding:12px}.foundation-extra h3{font-size:21px}}
.compact-diagram{margin:24px 0;padding:20px;background:#193034;border-radius:18px}.compact-diagram h3{font-size:19px!important;margin:8px 0 14px!important}.compact-diagram figcaption{font-size:15px;line-height:1.7;margin-top:20px;color:#c3dacf}.pulse-cells{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:8px;margin-bottom:24px}.pulse-cells>div{background:#284641;border-radius:10px;text-align:center;padding:12px 2px}.small-note-row{display:flex;align-items:center;justify-content:space-around;gap:5px;margin:14px 0;flex-wrap:wrap}.small-note-row span{font-size:18px;color:#b7ebd6}.chord-pair{display:grid;grid-template-columns:1fr 1fr;gap:18px}.chord-stack{display:flex;flex-direction:column;align-items:center;gap:10px}.chord-stack span{border:1px solid #8bc1ab;border-radius:20px;padding:8px 20px}@media(max-width:600px){.compact-diagram{padding:15px}.chord-pair{grid-template-columns:1fr}.small-note-row span{font-size:17px}}