:root{--bg-primary:#0a0b12;--bg-surface:#121422;--bg-surface-elevated:#1a1e32;--border-color:#ffffff14;--border-hover:#3b82f666;--accent-primary:#3b82f6;--accent-cyan:#06b6d4;--accent-emerald:#10b981;--accent-amber:#f59e0b;--accent-rose:#f43f5e;--text-primary:#f8fafc;--text-secondary:#94a3b8;--text-muted:#64748b;--radius-sm:8px;--radius-md:14px;--radius-lg:20px;--glow-gradient:radial-gradient(circle at 50% 0%, #3b82f626 0%, #0a0b1200 70%)}*{box-sizing:border-box;margin:0;padding:0}body{background-color:var(--bg-primary);color:var(--text-primary);min-height:100vh;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica Neue,Arial,sans-serif;line-height:1.6;position:relative;overflow-x:hidden}.bg-glow{background:var(--glow-gradient);pointer-events:none;z-index:0;height:600px;position:absolute;top:0;left:0;right:0}.container{z-index:1;max-width:1200px;margin:0 auto;padding:0 20px;position:relative}.navbar{border-bottom:1px solid var(--border-color);justify-content:space-between;align-items:center;margin-bottom:36px;padding:24px 0;display:flex}.logo-link{flex-direction:column;text-decoration:none;display:flex}.logo{color:var(--accent-primary);letter-spacing:-.5px;font-size:1.5rem;font-weight:800}.logo-sub{color:var(--text-secondary);text-transform:uppercase;letter-spacing:1.2px;font-size:.75rem;font-weight:600}.nav-actions{flex-wrap:wrap;align-items:center;gap:16px;display:flex}.nav-link{color:var(--text-secondary);border-radius:var(--radius-sm);padding:6px 12px;font-size:.9rem;font-weight:500;text-decoration:none;transition:all .2s}.nav-link:hover,.nav-link.active{color:var(--text-primary);background:#ffffff0d}.btn-primary{background:linear-gradient(135deg, var(--accent-primary), var(--accent-cyan));color:#fff;border-radius:var(--radius-sm);cursor:pointer;border:none;align-items:center;gap:6px;padding:8px 18px;font-size:.9rem;font-weight:600;text-decoration:none;transition:transform .2s,opacity .2s;display:inline-flex}.btn-primary:hover{opacity:.95;transform:translateY(-1px)}.btn-secondary{color:var(--text-primary);border:1px solid var(--border-color);border-radius:var(--radius-sm);cursor:pointer;background:#ffffff0f;padding:8px 16px;font-size:.88rem;font-weight:500;transition:all .2s}.btn-secondary:hover{border-color:var(--border-hover);background:#ffffff1a}.glass-panel{background:var(--bg-surface);border:1px solid var(--border-color);border-radius:var(--radius-md);-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);transition:border-color .2s,transform .2s;box-shadow:0 10px 30px #00000040}.glass-panel:hover{border-color:var(--border-hover)}.hero-section{text-align:center;max-width:860px;margin:30px auto 50px}.hero-pill{color:var(--accent-primary);text-transform:uppercase;letter-spacing:.5px;background:#3b82f61a;border:1px solid #3b82f640;border-radius:999px;align-items:center;gap:8px;margin-bottom:20px;padding:5px 14px;font-size:.8rem;font-weight:600;display:inline-flex}.hero-title{letter-spacing:-.8px;margin-bottom:18px;font-size:2.8rem;font-weight:800;line-height:1.15}.hero-subtitle{color:var(--text-secondary);max-width:720px;margin:0 auto;font-size:1.15rem;line-height:1.7}.tools-grid{grid-template-columns:repeat(auto-fit,minmax(270px,1fr));gap:22px;margin-bottom:48px;display:grid}.tool-card{color:inherit;border-radius:var(--radius-md);flex-direction:column;padding:26px;text-decoration:none;display:flex}.tool-icon{width:48px;height:48px;color:var(--accent-primary);background:#3b82f61f;border-radius:12px;justify-content:center;align-items:center;margin-bottom:18px;display:flex}.tool-title{color:var(--text-primary);margin-bottom:10px;font-size:1.25rem;font-weight:700}.tool-desc{color:var(--text-secondary);margin-bottom:16px;font-size:.92rem;line-height:1.6}.tool-action-link{color:var(--accent-primary);align-items:center;gap:4px;margin-top:auto;font-size:.88rem;font-weight:600;display:flex}.calc-container{grid-template-columns:1.2fr 1fr;gap:32px;margin-bottom:40px;display:grid}@media (max-width:900px){.calc-container{grid-template-columns:1fr}}.calc-panel{padding:32px}.form-group{margin-bottom:24px}.form-label{color:var(--text-primary);justify-content:space-between;align-items:center;margin-bottom:8px;font-size:.92rem;font-weight:600;display:flex}.form-value-badge{color:var(--accent-primary);background:#3b82f61f;border-radius:6px;padding:2px 10px;font-size:.95rem;font-weight:700}.range-slider{cursor:pointer;width:100%;height:6px;accent-color:var(--accent-primary);background:#ffffff1a;border-radius:3px;outline:none}.preset-buttons{flex-wrap:wrap;gap:8px;margin-top:10px;display:flex}.preset-btn{border:1px solid var(--border-color);color:var(--text-secondary);cursor:pointer;background:#ffffff0a;border-radius:6px;padding:4px 10px;font-size:.8rem;transition:all .2s}.preset-btn:hover,.preset-btn.active{color:var(--text-primary);border-color:var(--accent-primary);background:#3b82f626}.toggle-group{border:1px solid var(--border-color);border-radius:var(--radius-sm);background:#ffffff05;justify-content:space-between;align-items:center;margin-bottom:12px;padding:12px 14px;display:flex}.results-card{background:linear-gradient(180deg, var(--bg-surface-elevated) 0%, var(--bg-surface) 100%);flex-direction:column;justify-content:space-between;padding:32px;display:flex}.metric-big{margin-bottom:24px}.metric-label{color:var(--text-secondary);text-transform:uppercase;letter-spacing:1px;margin-bottom:6px;font-size:.82rem;font-weight:600}.metric-number{color:var(--accent-emerald);letter-spacing:-1px;font-size:3rem;font-weight:800;line-height:1}.metric-sub{color:var(--text-muted);margin-top:4px;font-size:.85rem}.breakdown-row{border-bottom:1px solid #ffffff0f;justify-content:space-between;align-items:center;padding:10px 0;font-size:.92rem;display:flex}.breakdown-row:last-child{border-bottom:none}.badge-pill{text-transform:uppercase;letter-spacing:.5px;border-radius:999px;padding:3px 10px;font-size:.75rem;font-weight:600}.badge-emerald{color:var(--accent-emerald);background:#10b98126;border:1px solid #10b9814d}.badge-amber{color:var(--accent-amber);background:#f59e0b26;border:1px solid #f59e0b4d}.badge-rose{color:var(--accent-rose);background:#f43f5e26;border:1px solid #f43f5e4d}.meter-container{border:1px solid var(--border-color);background:#0006;border-radius:6px;height:28px;margin:16px 0;position:relative;overflow:hidden}.meter-bar{height:100%;transition:width .2s,background-color .2s}.ad-container-banner{text-align:center;max-width:1000px;margin:36px auto}.ad-label{color:var(--text-muted);text-transform:uppercase;letter-spacing:1.2px;margin-bottom:6px;font-size:.7rem;display:block}.seo-section{border-top:1px solid var(--border-color);margin-top:60px;padding-top:48px}.article-body{color:var(--text-secondary);font-size:1.05rem;line-height:1.8}.article-body h2{color:var(--text-primary);margin:36px 0 16px;font-size:1.8rem}.article-body h3{color:var(--text-primary);margin:24px 0 12px;font-size:1.35rem}.article-body p{margin-bottom:20px}.article-body ul{margin:0 0 24px 24px}.article-body li{margin-bottom:8px}.data-table{border-collapse:collapse;width:100%;margin:24px 0;font-size:.95rem}.data-table th,.data-table td{text-align:left;border:1px solid var(--border-color);padding:12px 16px}.data-table th{background:var(--bg-surface-elevated);color:var(--text-primary)}.data-table tr:nth-child(2n){background:#ffffff05}footer{border-top:1px solid var(--border-color);text-align:center;margin-top:80px;padding:40px 0}.footer-links{flex-wrap:wrap;justify-content:center;gap:20px;margin-bottom:20px;display:flex}.footer-links a{color:var(--text-secondary);font-size:.9rem;text-decoration:none;transition:color .2s}.footer-links a:hover{color:var(--accent-primary)}.footer-copy{color:var(--text-muted);font-size:.85rem}@media (max-width:768px){.hero-title{font-size:2.1rem}.navbar{flex-direction:column;align-items:flex-start;gap:16px}.nav-actions{width:100%}}