:root{color-scheme:light;--ink:#15212a;--muted:#64727b;--paper:#f5f7f8;--card:#fff;--line:#dbe2e6;--accent:#24495c}*{box-sizing:border-box}body{margin:0;font:16px/1.55 system-ui,-apple-system,Segoe UI,sans-serif;color:var(--ink);background:var(--paper)}.wrap{max-width:1120px;margin:auto;padding:38px 20px 70px}.hero{padding:34px;border-radius:24px;background:#102c3b;color:#fff;margin-bottom:26px}.hero span{font-size:.78rem;text-transform:uppercase;letter-spacing:.12em;opacity:.8}.hero h1{font-size:clamp(2.2rem,5vw,4.3rem);line-height:.98;margin:.35rem 0 1rem}.hero p{max-width:800px;font-size:1.08rem}.btn{display:inline-block;background:#fff;color:#102c3b;text-decoration:none;font-weight:750;padding:.78rem 1.05rem;border-radius:10px;border:0;cursor:pointer}section{background:var(--card);border:1px solid var(--line);border-radius:20px;padding:24px;margin:18px 0}.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:14px}label{display:flex;flex-direction:column;gap:6px;padding:14px;border:1px solid var(--line);border-radius:14px;background:#fff}label small{color:var(--muted)}select,input{width:100%;padding:.7rem;border:1px solid #bac7ce;border-radius:9px;background:#fff}.result{border-left:6px solid var(--accent)}.score{font-size:2.4rem;font-weight:850}.ok,.err{padding:14px 18px;border-radius:12px;margin:14px 0;background:#e9f6ef}.err{background:#fdecec}.cards{display:grid;grid-template-columns:repeat(4,1fr);gap:12px}.cards article{background:#fff;border:1px solid var(--line);border-radius:16px;padding:18px}.cards b{display:block;font-size:2rem}.cards span{color:var(--muted)}.public-proof-ribbon{background:#eef4f7}@media(max-width:700px){.cards{grid-template-columns:1fr 1fr}.hero{padding:24px}.wrap{padding-inline:14px}}