*{margin:0;padding:0;box-sizing:border-box}body{font-family:Inter,-apple-system,sans-serif;background:var(--bg-color);color:var(--text-main);line-height:1.6}nav{position:sticky;top:0;z-index:1000;background:#060a12d9;backdrop-filter:blur(12px);border-bottom:1px solid var(--border-color);padding:16px 24px;display:flex;justify-content:space-between;align-items:center}.nav-brand{color:#fff;font-weight:800;text-decoration:none;font-size:1.1rem;letter-spacing:-.5px}.nav-links{display:flex;gap:24px}.nav-links a{color:var(--text-muted);text-decoration:none;font-size:.9rem;font-weight:600;transition:color .2s}.nav-links a:hover{color:var(--accent-color)}.container{max-width:1000px;margin:0 auto;padding:60px 24px}header{text-align:center;margin-bottom:50px}h1{font-size:3rem;font-weight:900;letter-spacing:-1.5px;margin-bottom:16px;background:linear-gradient(90deg,#fff,#4a8fe7);-webkit-background-clip:text;-webkit-text-fill-color:transparent;line-height:1.2}.subtitle{font-size:1.1rem;color:var(--text-muted);max-width:600px;margin:0 auto}.stats-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:20px;margin-bottom:40px}.stat-card{background:var(--card-bg);border:1px solid var(--border-color);border-radius:12px;padding:24px;text-align:center}.stat-val{font-size:2.2rem;font-weight:800;color:var(--accent-color);font-family:JetBrains Mono,monospace;line-height:1;margin-bottom:8px}.stat-label{font-size:.85rem;color:var(--text-muted);font-weight:600;text-transform:uppercase;letter-spacing:.5px}.calc-section{background:linear-gradient(145deg,var(--card-bg) 0%,#0d1428 100%);border:1px solid var(--border-color);border-radius:16px;padding:40px;margin-bottom:50px}.calc-title{font-size:1.8rem;font-weight:800;color:#fff;margin-bottom:24px;text-align:center}.calc-grid{display:grid;grid-template-columns:1fr 1fr;gap:30px;align-items:stretch}.input-group{margin-bottom:20px}label{display:block;font-size:.9rem;font-weight:600;color:#e0e8f0;margin-bottom:8px}input{width:100%;background:var(--bg-color);border:1px solid var(--border-color);color:#fff;padding:14px;border-radius:8px;font-family:JetBrains Mono,monospace;font-size:1rem}input:focus{outline:none;border-color:var(--accent-color)}button{width:100%;background:var(--accent-color);color:#fff;border:none;padding:16px;border-radius:8px;font-size:1rem;font-weight:700;cursor:pointer;transition:background .2s}button:hover{background:#3a7bd5}.result-box{background:var(--bg-color);border:1px solid var(--accent-color);border-radius:12px;padding:30px;display:flex;flex-direction:column;justify-content:center;align-items:center;text-align:center}.result-label{font-size:.9rem;color:var(--text-muted);font-weight:600;margin-bottom:12px}.result-val{font-size:3rem;font-weight:900;color:#fff;font-family:JetBrains Mono,monospace;line-height:1}.result-note{font-size:.8rem;color:var(--text-muted);margin-top:16px;max-width:250px}.chart-container{background:var(--card-bg);border:1px solid var(--border-color);border-radius:12px;padding:30px;margin-bottom:50px;height:400px;position:relative}.table-container{background:var(--card-bg);border:1px solid var(--border-color);border-radius:12px;overflow:hidden;margin-bottom:50px}table{width:100%;border-collapse:collapse}th,td{padding:16px 24px;text-align:right}th:first-child,td:first-child{text-align:left}th{background:#15204080;color:#fff;font-size:.85rem;font-weight:600;text-transform:uppercase;letter-spacing:.5px;border-bottom:1px solid var(--border-color)}td{font-family:JetBrains Mono,monospace;font-size:.95rem;border-bottom:1px solid var(--border-color)}tr:last-child td{border-bottom:none}tr:hover td{background:#4a8fe70d}.content-section{background:var(--card-bg);border:1px solid var(--border-color);border-radius:12px;padding:40px;margin-bottom:50px}h2{font-size:1.8rem;font-weight:800;color:#fff;margin-bottom:24px}h3{font-size:1.2rem;font-weight:700;color:#e0e8f0;margin-bottom:12px;margin-top:24px}p{margin-bottom:16px;color:var(--text-main)}.faq-item{border-bottom:1px solid var(--border-color);padding:24px 0}.faq-item:last-child{border-bottom:none}.faq-q{font-size:1.1rem;font-weight:700;color:#fff;margin-bottom:12px}.faq-a{color:var(--text-main)}footer{text-align:center;padding:40px 24px;border-top:1px solid var(--border-color);font-size:.85rem;color:var(--text-muted)}footer a{color:var(--accent-color);text-decoration:none}@media(max-width:768px){h1{font-size:2.2rem}.calc-grid{grid-template-columns:1fr}.nav-links{display:none}.chart-container{height:300px;padding:15px}th,td{padding:12px 16px}}