:root{color-scheme:light;--ink:#172b4d;--muted:#506780;--blue:#215fe8;--line:#dce7f7;--paper:#f3f8ff;font:17px/1.65 system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;color:var(--ink);background:var(--paper)}*{box-sizing:border-box}body{margin:0;background:radial-gradient(ellipse at 80% 10%,#d8ebff88,transparent 52%);min-height:100dvh}a{color:var(--blue);text-underline-offset:4px}a:focus-visible{outline:3px solid #448bff;outline-offset:5px}header,main,footer{max-width:1120px;margin:auto;padding:24px 32px}header,footer{display:flex;align-items:center;justify-content:space-between;gap:20px;flex-wrap:wrap}header>a{text-decoration:none;font-size:.9rem;font-weight:650}.brand{display:flex;align-items:center;gap:11px;color:var(--ink);font-size:1.3rem}img{border-radius:11px}.hero{padding:60px 0 70px;max-width:780px}.eyebrow{text-transform:uppercase;letter-spacing:.14em;font-size:.73rem;font-weight:750;color:var(--blue)}h1{font-size:clamp(3rem,8vw,5.8rem);line-height:1.02;letter-spacing:-.065em;margin:20px 0 28px;font-weight:750}h2{font-size:1.3rem;line-height:1.25;letter-spacing:-.025em;margin:16px 0 12px}.lead{font-size:clamp(1.1rem,2vw,1.35rem);color:var(--muted);max-width:690px;margin:0 0 30px}.button{display:inline-flex;align-items:center;justify-content:space-between;gap:24px;background:var(--blue);color:white;padding:14px 20px;border-radius:16px;text-decoration:none;font-size:.94rem;font-weight:650;box-shadow:0 9px 25px #215fe81a}.button:hover{background:#164ccd}.quiet{font-size:.8rem;color:var(--muted);margin-top:17px}.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}.cards article{background:#fff;padding:26px;border:1px solid var(--line);border-radius:24px}.cards p,.note p,.instructions p{color:var(--muted);font-size:.96rem}.step{font-weight:750;font-size:.8rem;color:var(--blue)}.note{margin:34px 0;background:#e7f0ff;padding:26px 32px;border-radius:24px;max-width:900px}.note h2{margin-top:0}.note p:last-child{margin-bottom:0}footer{font-size:.8rem;color:var(--muted);padding-top:38px;padding-bottom:40px}footer a{text-decoration:none}.guide{max-width:900px;padding-top:45px}.guide h1{font-size:clamp(2.8rem,7vw,4.8rem)}.instructions{padding:0;list-style:none;counter-reset:setup}.instructions li{position:relative;background:white;border:1px solid var(--line);border-radius:22px;padding:24px 28px 24px 70px;margin:18px 0;counter-increment:setup}.instructions li::before{content:counter(setup);position:absolute;left:24px;top:35px;color:var(--blue);font-weight:750}.instructions h2{margin-top:8px}@media(max-width:650px){header,main,footer{padding-left:20px;padding-right:20px}.hero{padding:36px 0 42px}.cards{grid-template-columns:1fr;gap:12px}.cards article{padding:22px}.note{padding:24px}.instructions li{padding:18px 20px 18px 52px}.instructions li::before{left:20px;top:25px}.button{gap:14px;padding:13px 17px}.guide{padding-top:20px}footer{align-items:flex-start;flex-direction:column;gap:8px}}