:root{font-family:Arial,sans-serif;color:#253d5b;background:#fff;font-size:16px;line-height:1.5}*{box-sizing:border-box}body{margin:0}a{color:#335a94;text-underline-offset:3px}header,main,footer{max-width:1050px;margin:auto;padding:22px}header{display:flex;align-items:center;justify-content:space-between;gap:16px}header img{max-width:52vw;object-fit:contain}header>a:last-child,.button{padding:12px 18px;border-radius:100px;background:#253d5b;color:white;font-weight:700;text-decoration:none;display:inline-block}.intro{display:flex;justify-content:space-between;align-items:center;padding:24px;border-radius:24px;background:#eaf0ff}.intro img{max-width:30%;height:auto}h1{font-size:clamp(2rem,5vw,3rem);letter-spacing:-.04em;line-height:1.1;margin:12px 0}h2{line-height:1.2}.eyebrow{font-size:.875rem;letter-spacing:.1em;font-weight:700}.choices{display:grid;grid-template-columns:2fr 1fr 1fr;gap:16px;margin:28px 0}label{display:block;font-weight:700}select{display:block;width:100%;min-height:48px;margin-top:8px;padding:10px;border:1px solid #a5b7cd;border-radius:12px;background:white;color:inherit;font:inherit}.material-intro{display:flex;gap:24px;align-items:center;margin:28px 0}.material-intro img{object-fit:cover;border-radius:20px}.price-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px}.price-card{border:1px solid #d4def0;background:#f5f7fe;border-radius:20px;padding:24px}.price-card h3{margin:0 0 8px;font-size:1.15rem}.price{font-size:1.85rem;font-weight:800;letter-spacing:-.025em;margin:14px 0}.price-card p{margin:8px 0}.breakdown{font-size:.95rem}.cover-picker{display:grid;grid-template-columns:1fr 2fr;gap:20px;align-items:start;margin:22px 0}.cover-picker label{padding:16px 0}.height-details,.info{padding:24px;background:#eaf0ff;border-radius:20px;margin:24px 0}.height-details summary{cursor:pointer;font-weight:700;min-height:44px}.height-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}.height-grid article{background:white;padding:16px;border-radius:12px}.height-grid p{margin:5px 0}.info h2{margin-top:0}footer{border-top:1px solid #d4def0}footer nav{display:flex;flex-wrap:wrap;gap:18px;margin:20px 0}footer nav a{padding:10px 0}footer p{font-size:.875rem;color:#54657c}[hidden]{display:none!important}:focus-visible{outline:3px solid #5479c9;outline-offset:4px}@media(max-width:650px){header,main,footer{padding:16px}.intro{padding:20px}.intro img{width:95px}.choices{grid-template-columns:1fr 1fr}.choices>label:first-child{grid-column:1/-1}.material-intro{align-items:flex-start;gap:14px}.material-intro img{width:90px;height:110px}.material-intro h2{margin-top:0;font-size:1.4rem}.price-grid,.cover-picker{grid-template-columns:1fr}.price-card{padding:20px}.price{font-size:2rem}.height-grid{grid-template-columns:1fr}.height-details,.info{padding:18px}.cover-picker{gap:8px}header>a:last-child{font-size:.875rem;white-space:nowrap}}