*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:#f8f6f0;color:#18392f;font:17px/1.65 system-ui,sans-serif}a{color:inherit;text-underline-offset:5px}a:focus-visible,button:focus-visible,textarea:focus-visible{outline:3px solid #a45025;outline-offset:4px}.wrap{max-width:1100px;margin:auto;padding:0 28px}nav{display:flex;justify-content:space-between;align-items:center;padding:25px 0;border-bottom:1px solid #c8d0c4;gap:20px}nav a{text-decoration:none;font-size:14px;font-weight:700}nav div{display:flex;gap:25px}.mark{background:#18392f;color:#fff;padding:7px 10px;letter-spacing:2px}.eyebrow{font-size:12px;font-weight:750;text-transform:uppercase;letter-spacing:2px;color:#57635a}h1,h2,h3{line-height:1.12;letter-spacing:-.035em}h1{font-size:clamp(45px,7vw,83px);max-width:900px;margin:22px 0}h2{font-size:clamp(30px,4vw,45px)}h3{font-size:23px}p{max-width:760px}.hero{padding:80px 0 70px}.lead{font-size:22px;max-width:650px}.button{display:inline-block;background:#18392f;color:white;padding:13px 21px;text-decoration:none;margin:20px 12px 0 0;border:0;font:inherit;cursor:pointer}.section{padding:50px 0;border-top:1px solid #c8d0c4}.grid{display:grid;grid-template-columns:1fr 1fr;gap:45px}.experiment{background:#e8ecdf;padding:34px}.number{font-family:monospace;color:#65715f}.warning{background:#fff0d6;border-left:5px solid #a45025;padding:23px 28px;color:#513818;margin:25px 0}.warning h3{margin-top:0}ul{padding-left:23px}li{margin:10px 0}footer{padding:30px 0 50px;font-size:13px;color:#57635a}iframe{width:100%;height:1000px;border:1px solid #c8d0c4;background:#fff}textarea{width:100%;max-width:760px;min-height:160px;padding:15px;font:inherit;background:#fff;border:1px solid #879582}.note{font-size:14px;color:#57635a}.skip{position:absolute;left:-10000px}.skip:focus{left:10px;top:10px;background:white;padding:10px}@media(max-width:700px){.grid{grid-template-columns:1fr;gap:15px}.hero{padding:45px 0}nav{align-items:flex-start}nav div{gap:14px}h1{font-size:48px}.wrap{padding:0 20px}.experiment{padding:23px}iframe{height:1200px}}
/* PWR62 review: use full-page walkthrough on narrower screens. */
iframe{height:1700px}
@media(max-width:1023px){iframe{display:none}}