:root{--bg:#07100c;--bg2:#0c1912;--card:#102018;--card2:#132a20;--text:#f5fff9;--muted:#aabbb1;--accent:#0fb36d;--accent2:#19d486;--border:#254334;--shadow:0 18px 45px rgba(0,0,0,.28)}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:radial-gradient(circle at top left,#123524 0,#07100c 36%,#030604 100%);color:var(--text);font-family:Arial,Helvetica,sans-serif;line-height:1.45}.wrap{width:min(1120px,calc(100% - 32px));margin:auto}.topbar{position:sticky;top:0;z-index:10;background:rgba(7,16,12,.9);backdrop-filter:blur(10px);border-bottom:1px solid var(--border)}.nav{display:flex;align-items:center;justify-content:space-between;gap:18px;padding:14px 0}.brand{display:flex;align-items:center;gap:10px;color:var(--text);text-decoration:none;font-weight:900;font-size:22px;letter-spacing:.2px}.logo{width:34px;height:34px;border-radius:10px;background:linear-gradient(135deg,var(--accent),#075c3a);display:grid;place-items:center;color:#00150c;font-weight:900}.links{display:flex;gap:6px;flex-wrap:wrap;justify-content:flex-end}.links a{color:var(--muted);text-decoration:none;font-weight:700;padding:9px 11px;border-radius:12px}.links a:hover,.links a.active{background:#102018;color:var(--text)}.hero{padding:72px 0 46px}.hero-grid{display:grid;grid-template-columns:1.25fr .75fr;gap:28px;align-items:center}.eyebrow{color:var(--accent2);font-weight:900;text-transform:uppercase;letter-spacing:1px;font-size:13px}.h1{font-size:clamp(42px,7vw,78px);line-height:.95;margin:10px 0 18px;font-weight:950}.lead{font-size:20px;color:var(--muted);max-width:700px}.actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:26px}.btn{display:inline-flex;align-items:center;justify-content:center;border:1px solid var(--accent);background:var(--accent);color:#00150c;text-decoration:none;font-weight:900;padding:13px 18px;border-radius:15px}.btn.secondary{background:transparent;color:var(--text);border-color:var(--border)}.panel{background:linear-gradient(180deg,rgba(16,32,24,.95),rgba(19,42,32,.95));border:1px solid var(--border);border-radius:24px;padding:24px;box-shadow:var(--shadow)}.stat{display:grid;gap:4px;padding:14px 0;border-bottom:1px solid var(--border)}.stat:last-child{border-bottom:0}.stat strong{font-size:30px;color:var(--accent2)}.section{padding:38px 0}.section h2{font-size:32px;margin:0 0 10px}.section p{color:var(--muted)}.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin-top:18px}.card{background:linear-gradient(180deg,var(--card),var(--card2));border:1px solid var(--border);border-radius:20px;padding:18px;box-shadow:var(--shadow)}.card h3{margin:0 0 8px;font-size:20px}.card p{margin:0 0 14px}.card a{color:var(--accent2);font-weight:900;text-decoration:none}.list{display:grid;grid-template-columns:repeat(2,1fr);gap:12px;margin-top:18px}.calc-row{display:flex;justify-content:space-between;gap:12px;align-items:center;background:#0b1711;border:1px solid var(--border);border-radius:16px;padding:15px;color:var(--text);text-decoration:none}.calc-row span{color:var(--muted);font-size:14px}.page-head{padding:48px 0 22px}.page-head h1{font-size:44px;margin:0 0 8px}.form{display:grid;gap:14px}.field label{display:block;font-weight:800;margin-bottom:6px}.field input,.field textarea{width:100%;font-size:18px;padding:13px;border-radius:14px;border:1px solid #335543;background:#050a07;color:var(--text)}.field textarea{min-height:130px}.notice{background:#0b1711;border:1px solid var(--border);border-radius:16px;padding:14px;color:var(--muted)}.footer{border-top:1px solid var(--border);padding:28px 0;color:var(--muted);margin-top:50px}.calc-app{max-width:760px}.grid{display:grid;grid-template-columns:1fr 1fr;gap:12px}.result{background:#050a07;border:1px solid var(--border);border-radius:16px;padding:14px;margin-top:14px}.value{font-size:30px;font-weight:950;color:var(--accent2)}button{cursor:pointer}.full{grid-column:1/-1}@media(max-width:760px){.hero-grid,.cards,.list,.grid{grid-template-columns:1fr}.hero{padding-top:42px}.links{gap:2px}.links a{font-size:14px;padding:8px}.nav{align-items:flex-start;flex-direction:column}.h1{font-size:46px}}

.small{font-size:13px;color:var(--muted)}.formula{font-family:Arial,Helvetica,sans-serif;background:#07100c;border:1px solid var(--border);border-radius:14px;padding:10px;margin-top:12px;color:var(--muted)}.result-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px}.select{width:100%;font-size:18px;padding:13px;border-radius:14px;border:1px solid #335543;background:#050a07;color:var(--text)}@media(max-width:760px){.result-grid{grid-template-columns:1fr}}