:root{color-scheme:dark;--bg:#08151e;--panel:#102530;--ink:#e9f2ed;--muted:#a8bdc4;--gold:#edc77d;--line:#2a414c}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--bg);color:var(--ink);font:17px/1.7 system-ui,sans-serif}a{color:inherit;text-underline-offset:5px}header,main,footer{max-width:1240px;margin:auto;padding:24px 32px}header{display:flex;justify-content:space-between;align-items:center;border-bottom:1px solid var(--line);gap:20px}.brand{text-decoration:none;font-weight:800;letter-spacing:-.6px}.brand span{color:var(--gold)}nav{display:flex;gap:24px;font-size:14px;flex-wrap:wrap}nav a{text-decoration:none;color:var(--muted)}.eyebrow{text-transform:uppercase;letter-spacing:3px;color:var(--gold);font-size:12px;font-weight:700}.hero{display:grid;grid-template-columns:1.25fr 1fr;gap:60px;align-items:center;padding:60px 0 48px}h1{font-size:clamp(38px,5vw,66px);line-height:1.08;letter-spacing:-2px;max-width:850px;margin:20px 0}h2{font-size:29px;line-height:1.3;margin-top:40px}h3{font-size:20px}p{color:var(--muted)}.lead{font-size:19px;max-width:740px}.hero-art{position:relative;min-height:290px;border-radius:50%;background:radial-gradient(ellipse,#37626c55,transparent 67%);display:grid;place-content:center}.coin{width:170px;height:170px;display:grid;place-items:center;border-radius:50%;border:12px double var(--gold);color:var(--gold);font-size:85px;box-shadow:0 0 80px #edc77d18;transform:rotate(-12deg)}.orbit{position:absolute;inset:20px;border:1px dashed #edc77d44;border-radius:50%;transform:rotate(-20deg)}.tag{font-size:12px;border:1px solid var(--line);border-radius:30px;padding:6px 12px;color:var(--muted);display:inline-block}.tool{background:var(--panel);border:1px solid var(--line);border-radius:24px;padding:32px}.tool-grid{display:grid;grid-template-columns:1.3fr 1fr;gap:40px}.fields{display:grid;gap:20px}label{display:block;font-size:14px;font-weight:600}input,select,textarea{display:block;width:100%;padding:14px;margin-top:8px;border:1px solid #49616c;border-radius:9px;background:#091b26;color:var(--ink);font:inherit}input:focus,button:focus,a:focus{outline:2px solid var(--gold);outline-offset:3px}button,.button{display:inline-block;background:var(--gold);color:#18202a;border:0;padding:13px 22px;border-radius:9px;font:600 15px system-ui;cursor:pointer;text-decoration:none}button.secondary{background:transparent;color:var(--ink);border:1px solid #49616c}.presets{display:flex;gap:9px;flex-wrap:wrap}.presets button{font-size:13px;padding:9px 14px}.result{background:#081b25;border:1px solid #36515c;border-radius:18px;padding:30px;display:flex;flex-direction:column;justify-content:center}.result strong{font-size:64px;color:var(--gold);line-height:1.2}.meter{height:8px;background:#29404c;border-radius:10px;overflow:hidden;margin:24px 0}.meter:before{content:'';display:block;width:var(--fill,0%);height:100%;background:var(--gold)}small,.small{font-size:13px;color:var(--muted)}.grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin:24px 0}.card{display:block;border:1px solid var(--line);border-radius:16px;padding:24px;text-decoration:none;background:#10212b}.card:hover{border-color:var(--gold)}.card h3{margin:4px 0}.card p{font-size:15px}.article{max-width:850px;margin:50px auto}.article h1{font-size:48px}.table-wrap{overflow:auto}table{width:100%;border-collapse:collapse;margin:24px 0}th,td{text-align:left;padding:15px;border-bottom:1px solid var(--line)}th{color:var(--gold);font-size:13px}details{border-bottom:1px solid var(--line);padding:20px 0}summary{cursor:pointer;font-weight:600}.notice{border-left:3px solid var(--gold);padding:15px 20px;background:#edc77d09}.error{color:#ffb3a7;min-height:26px}footer{border-top:1px solid var(--line);margin-top:64px;font-size:13px}footer nav{margin:20px 0}.counter-num{font-size:80px;color:var(--gold)}@media(max-width:760px){header,main,footer{padding:20px}header{align-items:flex-start;flex-direction:column}nav{gap:16px}.hero{grid-template-columns:1fr;gap:0;padding:30px 0}.hero-art{min-height:180px}.coin{width:110px;height:110px;font-size:50px}.tool-grid,.grid{grid-template-columns:1fr}.tool{padding:20px}.result strong{font-size:50px}.article h1{font-size:36px}h1{letter-spacing:-1px}}