:root{color-scheme:light;--ink:#17322a;--muted:#5b7169;--paper:#eef7f2;--card:#fff;--line:#c9ddd4;--green:#175b45;font-family:ui-rounded,"Avenir Next",system-ui,sans-serif}*{box-sizing:border-box}body{margin:0;background:var(--paper);color:var(--ink)}main{width:min(34rem,calc(100% - 1.5rem));margin:auto;padding:clamp(1.2rem,6vw,4rem) 0}.mark{display:inline-block;padding:.35rem .75rem;border-radius:999px;background:var(--green);color:#fff;font-weight:900;letter-spacing:.13em}h1{font-size:clamp(2.2rem,10vw,4rem);line-height:1.02;margin:.7rem 0}.lead{font-size:1.12rem;line-height:1.5}form{margin:1.5rem 0;padding:1.2rem;border:1px solid var(--line);border-radius:1.2rem;background:var(--card);box-shadow:0 16px 40px #173a2d18}label{display:grid;gap:.4rem;margin:.9rem 0;font-weight:800}input{width:100%;padding:1rem;border:2px solid var(--line);border-radius:.85rem;font:1rem/1.4 inherit}button{width:100%;min-height:3.3rem;padding:.8rem 1rem;border:0;border-radius:.85rem;background:var(--green);color:#fff;font:800 1rem/1.2 inherit}button:disabled{opacity:.6}#status{min-height:1.5rem;color:var(--muted);font-weight:700}.fine{color:var(--muted);line-height:1.5}a{color:var(--green);font-weight:800}