.hero h1{font-size:clamp(2.5rem,6vw,5.5rem);line-height:1.08;letter-spacing:-.035em}.commercial-section{padding:64px 0;background:#f4f6f7;color:#161b20}.commercial-section h2{font-size:clamp(1.65rem,3vw,2.5rem);line-height:1.2}.commercial-section p{line-height:1.75;max-width:900px}.commercial-links{display:flex;flex-wrap:wrap;gap:12px;margin:26px 0 42px}.commercial-links a{display:block;padding:12px 18px;background:white;border:1px solid #ccd2d8;color:#17232e;text-decoration:none;font-weight:700;font-size:1rem}.commercial-links a:hover{border-color:#d30714;color:#b60712}.commercial-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:28px}.commercial-grid h3{font-size:1.2rem}.commercial-page{max-width:1100px;margin:auto;padding:32px 24px 64px}.commercial-page h1{font-size:clamp(2rem,4vw,3.5rem);line-height:1.15}.commercial-page p,.commercial-page li{font-size:1rem;line-height:1.8}.commercial-page .commercial-links{margin-bottom:24px}.commercial-page details{border-top:1px solid #ccd2d8;padding:18px 0}.commercial-page summary{font-weight:700;cursor:pointer}.commercial-page .button{font-size:.875rem;text-decoration:none}.commercial-page .purchase-actions{display:flex;flex-wrap:wrap;gap:14px;margin:24px 0}.purchase-note{font-size:.875rem!important;color:#53616d}.commercial-page nav a:focus-visible,.commercial-links a:focus-visible{outline:3px solid #d30714;outline-offset:3px}@media(max-width:760px){.commercial-grid{grid-template-columns:1fr;gap:8px}.commercial-section{padding:40px 0}.hero-actions{flex-wrap:wrap}.commercial-page{padding:24px 20px 40px}}