:root{color-scheme:light;--ink:#152f36;--muted:#4d6870;--teal:#0f776e;--aqua:#e7f4ef;--line:#bed7d0;--paper:#fcfbf6;--warm:#f3eee2}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--paper);color:var(--ink);font:16px/1.65 system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif}a{color:var(--teal)}a:hover{text-decoration-thickness:2px}a:focus-visible,button:focus-visible,input:focus-visible{outline:3px solid #e5a735;outline-offset:3px}.wrap{max-width:1100px;margin:auto;padding-left:24px;padding-right:24px}.skip{position:absolute;left:12px;top:-60px;background:#fff;padding:8px 12px;z-index:10}.skip:focus{top:12px}.site-header{display:flex;justify-content:space-between;align-items:center;gap:24px;min-height:84px;border-bottom:1px solid var(--line)}.brand{text-decoration:none;color:var(--ink);font-size:1.2rem;font-weight:750;white-space:nowrap}.brand-mark{color:var(--teal)}nav{display:flex;gap:22px;flex-wrap:wrap}nav a{text-decoration:none;font-weight:600}.hero{padding-top:82px;padding-bottom:88px}.eyebrow{text-transform:uppercase;letter-spacing:.13em;color:var(--teal);font-weight:750;font-size:.78rem}.hero h1{font-size:clamp(3rem,7vw,5.8rem);line-height:1.05;letter-spacing:-.055em;max-width:900px;margin:18px 0 24px}.hero h1 em{font-style:normal;color:var(--teal)}.lead{font-size:1.25rem;max-width:720px;color:var(--muted)}.button,button{display:inline-block;background:var(--ink);color:#fff;border:0;border-radius:9px;padding:13px 19px;font:inherit;font-weight:700;text-decoration:none;cursor:pointer}.button:hover,button:hover{background:var(--teal)}.availability{font-size:.85rem;color:var(--muted);margin-top:17px}.explain{background:var(--aqua);padding:54px 0}.three{display:grid;grid-template-columns:repeat(3,1fr);gap:32px}.three article{padding-top:8px;border-top:2px solid var(--teal)}.step{color:var(--teal);font-size:.8rem;font-weight:800;letter-spacing:.12em}h2{font-size:clamp(1.6rem,3vw,2.2rem);line-height:1.22;letter-spacing:-.03em}.three h2{font-size:1.4rem}.guide{display:grid;grid-template-columns:1fr 1fr;gap:36px;padding-top:90px;padding-bottom:70px}.guide-intro p{max-width:420px}.worksheet{background:#fff;border:1px solid var(--line);border-radius:14px;padding:24px;display:grid;gap:9px;box-shadow:0 9px 30px #1530390a}.worksheet label{font-weight:700;margin-top:10px}.worksheet input{border:1px solid #8da9a3;border-radius:7px;padding:11px 12px;font:inherit;min-width:0}.worksheet button{margin-top:18px}.result{grid-column:1/-1;background:var(--warm);border-left:4px solid var(--teal);padding:14px 24px;border-radius:5px}.result h3{margin-bottom:4px}.result li{margin:8px 0}.note{padding-top:30px;padding-bottom:80px}.note p{max-width:740px}.page{max-width:800px;padding-top:70px;padding-bottom:90px;min-height:70vh}.page h1{font-size:clamp(2.5rem,6vw,4.5rem);line-height:1.1;letter-spacing:-.04em}.page h2{margin-top:36px}footer{border-top:1px solid var(--line);padding-top:28px;padding-bottom:40px;display:flex;justify-content:space-between;gap:20px;color:var(--muted);font-size:.9rem}@media(max-width:720px){.site-header{align-items:flex-start;flex-direction:column;padding-top:18px;padding-bottom:18px;gap:10px}.site-header nav{gap:14px}.hero{padding-top:55px;padding-bottom:58px}.lead{font-size:1.1rem}.three,.guide{grid-template-columns:1fr}.guide{padding-top:62px;gap:15px}footer{flex-direction:column}}@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}}