*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:#faf9f2;color:#143f35;font:16px/1.65 system-ui,sans-serif}a{color:inherit;text-underline-offset:4px}a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible{outline:3px solid #accc45;outline-offset:4px}header,main,footer{max-width:1200px;margin:auto;padding:0 32px}.nav{min-height:90px;display:flex;align-items:center;justify-content:space-between;gap:24px;border-bottom:1px solid #d4ded3}.brand{text-decoration:none;font-weight:650;font-size:22px;line-height:1.15;display:flex;align-items:center;gap:12px}.brand small{display:block;font-size:12px;letter-spacing:.16em;text-transform:uppercase;margin-top:6px}.mark{width:39px;height:45px;border:2px solid #086b4d;border-radius:50% 50% 6px 50%;display:grid;place-items:center;font:italic 30px Georgia}.navlinks{display:flex;gap:24px;font-size:14px;flex-wrap:wrap}.eyebrow{font-size:12px;letter-spacing:.16em;text-transform:uppercase;font-weight:650;color:#086b4d}.hero{display:grid;grid-template-columns:1.25fr 1fr;gap:65px;padding:70px 0 56px;align-items:center}h1{font:normal clamp(38px,5vw,65px)/1.06 Georgia,serif;letter-spacing:-.04em;margin:18px 0 25px}h2{font:normal 34px/1.15 Georgia;letter-spacing:-.025em;margin:12px 0 18px}h3{font-size:20px;line-height:1.3}p{max-width:72ch}.lead{font-size:19px;color:#4e6356}.button{display:inline-block;background:#143f35;color:white;padding:13px 21px;border-radius:5px;text-decoration:none;font-weight:600;margin:10px 10px 10px 0}.button.alt{background:transparent;color:#143f35;border:1px solid #143f35}.feature{background:#e7eedd;border-radius:12px;padding:32px}.feature .line{display:flex;gap:15px;padding:17px 0;border-bottom:1px solid #c7d4c1}.feature .line:last-child{border:0}.step{font:italic 26px Georgia;color:#086b4d}.notice{background:#eef0e5;border-left:3px solid #086b4d;padding:12px 20px;font-size:13px;margin:24px 0}.section{padding:42px 0;border-top:1px solid #d4ded3}.grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px}.card{padding:26px;border:1px solid #ccd9cb;border-radius:8px;background:#fffefa}.card h3{margin:10px 0}.card p{color:#4e6356}.card a{font-weight:600}.catalog-controls{display:grid;grid-template-columns:2fr 1fr;gap:16px;margin:22px 0}.catalog-controls label{display:block;font-size:13px;font-weight:650}.catalog-controls input,.catalog-controls select{width:100%;padding:14px;border:1px solid #9bb49f;background:#fff;color:#143f35;font:inherit;border-radius:5px}.library-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}.exercise-card{display:block;text-decoration:none;border:1px solid #ccd9cb;border-radius:7px;background:white;padding:22px}.exercise-card:hover{background:#edf3e5}.exercise-card h3{font-size:18px;margin:8px 0}.exercise-card p{font-size:13px;margin:0;color:#4e6356}.tag{font-size:11px;font-weight:650;letter-spacing:.08em;text-transform:uppercase;color:#086b4d}.empty{padding:28px;border:1px dashed #9bb49f}.detail{display:grid;grid-template-columns:1.6fr 1fr;gap:40px;margin:30px 0 60px}.detail h2{font-size:26px}.detail img{width:100%;height:auto;border-radius:8px}.detail aside{background:#e7eedd;padding:24px;border-radius:8px;align-self:start}.detail li{margin:10px 0}.breadcrumb{font-size:13px;margin-top:30px}.muted{color:#526657;font-size:14px}footer{margin-top:35px;padding-top:28px;padding-bottom:35px;border-top:1px solid #d4ded3;font-size:13px;display:flex;justify-content:space-between;gap:20px}footer div{max-width:660px}footer a{margin-right:15px}[hidden]{display:none!important}@media(max-width:760px){header,main,footer{padding-left:20px;padding-right:20px}.nav{align-items:flex-start;padding-top:22px;padding-bottom:22px;flex-direction:column;gap:18px}.navlinks{gap:16px}.hero{grid-template-columns:1fr;gap:25px;padding:38px 0}.grid,.detail,.library-grid{grid-template-columns:1fr}.catalog-controls{grid-template-columns:1fr}.feature{padding:24px}.detail{gap:20px}footer{display:block}h1{font-size:43px}h2{font-size:29px}}@media print{.nav,.catalog-controls,footer,.button{display:none}body{background:white}.detail{display:block}.detail aside{background:white}.notice{border:1px solid #aaa}}




/* Exercise imagery */
.exercise-thumbnail{display:block;width:100%;height:210px;object-fit:contain;background:#fff;border-radius:5px;margin-bottom:18px}
.exercise-demonstration{margin:0 0 32px;background:#fff;border:1px solid #ccd9cb;border-radius:8px;padding:12px}
.exercise-demonstration a{display:block}.detail .exercise-demonstration img{display:block;width:100%;height:auto;max-height:620px;object-fit:contain}
.exercise-demonstration figcaption{font-size:14px;color:#526657;padding:12px 4px 0}
@media(max-width:760px){.exercise-thumbnail{height:230px}.detail .exercise-demonstration img{max-height:480px}}