:root{--primary:#2563eb;--primary-hover:#1d4ed8;--primary-dark:#1e3a8a;--primary-light:#eff6ff;--primary-border:#bfdbfe;--accent-indigo:#4f46e5;--accent-teal:#0d9488;--accent-teal-light:#ccfbf1;--accent-amber:#f59e0b;--bg-main:#f8fafc;--bg-surface:#fff;--bg-muted:#f1f5f9;--text-main:#0f172a;--text-muted:#475569;--text-light:#64748b;--border-color:#e2e8f0;--border-dark:#cbd5e1;--success-bg:#f0fdf4;--success-border:#bbf7d0;--success-text:#15803d;--warning-bg:#fffbeb;--warning-border:#fef08a;--warning-text:#b45309;--error-bg:#fef2f2;--error-border:#fecaca;--error-text:#b91c1c;--font-family:system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;--radius-sm:8px;--radius-md:12px;--radius-lg:16px;--shadow-sm:0 1px 3px #0f172a0d;--shadow-md:0 4px 14px #0f172a12;--shadow-lg:0 10px 28px #0f172a1a;--shadow-hover:0 14px 36px #2563eb29;--max-width:1200px}*{box-sizing:border-box;margin:0;padding:0}html{font-family:var(--font-family);background-color:var(--bg-main);color:var(--text-main);scroll-behavior:smooth;-webkit-font-smoothing:antialiased;font-size:16px;line-height:1.6}body{flex-direction:column;min-height:100vh;display:flex}a{color:var(--primary);text-decoration:none;transition:color .15s,-webkit-text-decoration .15s,text-decoration .15s}a:hover{color:var(--primary-hover);text-decoration:underline}:focus-visible{outline:3px solid var(--primary-border);outline-offset:2px}.container{width:100%;max-width:var(--max-width);margin:0 auto;padding:0 1.25rem}.main-content{flex:1;padding:2rem 0 4rem}h1,h2,h3,h4{color:var(--text-main);letter-spacing:-.025em;margin-bottom:.75rem;font-weight:800;line-height:1.25}h1{font-size:2.35rem}h2{border-bottom:1px solid var(--border-color);margin-top:2rem;padding-bottom:.5rem;font-size:1.7rem}h3{margin-top:1.5rem;font-size:1.35rem}p{color:var(--text-muted);margin-bottom:1.25rem}.site-header{background:var(--bg-surface);border-bottom:1px solid var(--border-color);z-index:100;box-shadow:var(--shadow-sm);position:sticky;top:0}.header-inner{justify-content:space-between;align-items:center;height:4.5rem;display:flex}.nav-links{align-items:center;gap:1.75rem;list-style:none;display:flex}.nav-links a{color:var(--text-muted);padding:.5rem .25rem;font-size:.975rem;font-weight:600}.nav-links a:hover,.nav-links a.active{color:var(--primary);text-decoration:none}.site-footer{color:#94a3b8;background:#0f172a;margin-top:5rem;padding:3.5rem 0 2rem;font-size:.925rem}.footer-grid{grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:2.5rem;margin-bottom:2.5rem;display:grid}.footer-col h4{color:#fff;margin-bottom:1rem;font-size:1.05rem}.footer-col ul{list-style:none}.footer-col li{margin-bottom:.6rem}.footer-col a{color:#94a3b8}.footer-col a:hover{color:#fff;text-decoration:underline}.footer-bottom{border-top:1px solid #1e293b;flex-wrap:wrap;justify-content:space-between;align-items:center;gap:1rem;padding-top:1.75rem;font-size:.875rem;display:flex}.hero-section{background:radial-gradient(ellipse at 75% 20%, #4f46e514 0%, #2563eb0a 45%, transparent 70%), radial-gradient(circle at 15% 85%, #0d94880f 0%, transparent 50%), linear-gradient(180deg, #fff 0%, var(--bg-main) 100%);border-bottom:1px solid var(--border-color);margin-bottom:3rem;padding:4.5rem 0 4rem;position:relative;overflow:hidden}.hero-section:before{content:"";pointer-events:none;opacity:.85;background-image:radial-gradient(#94a3b826 1.25px,#0000 1.25px);background-size:28px 28px;position:absolute;inset:0}.hero-grid{z-index:2;grid-template-columns:1.15fr .85fr;align-items:center;gap:3.5rem;display:grid;position:relative}.hero-content{flex-direction:column;align-items:flex-start;display:flex}.hero-badge{letter-spacing:.05em;text-transform:uppercase;color:var(--primary-dark);border:1px solid var(--primary-border);box-shadow:var(--shadow-sm);-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);background:#eff6fff2;border-radius:9999px;align-items:center;gap:.5rem;margin-bottom:1.25rem;padding:.45rem 1rem;font-size:.825rem;font-weight:700;display:inline-flex}.hero-title{letter-spacing:-.03em;max-width:680px;color:var(--text-main);background:linear-gradient(135deg,#0f172a 0%,#1e3a8a 60%,#4f46e5 100%);-webkit-text-fill-color:transparent;-webkit-background-clip:text;margin-bottom:1.25rem;font-size:3rem;line-height:1.15}.hero-subtitle{color:var(--text-muted);max-width:600px;margin-bottom:2.25rem;font-size:1.225rem;line-height:1.65}.hero-actions{flex-wrap:wrap;align-items:center;gap:1.25rem;display:flex}.btn-hero{border-radius:10px;padding:1rem 2rem;font-size:1.05rem}.hero-visual{justify-content:center;align-items:center;width:100%;height:380px;display:flex;position:relative}.hero-stage{width:100%;max-width:440px;height:100%;position:relative}.hero-float-card{-webkit-backdrop-filter:blur(12px);border-radius:var(--radius-md);-webkit-user-select:none;user-select:none;background:#ffffffeb;border:1px solid #e2e8f0e6;align-items:center;gap:.85rem;padding:1rem 1.25rem;transition:transform .25s,box-shadow .25s;display:flex;position:absolute;box-shadow:0 10px 30px #0f172a14}.hero-float-card:hover{border-color:var(--primary-border);transform:translateY(-4px)scale(1.02);box-shadow:0 16px 36px #2563eb2e}.hero-card-icon{border-radius:10px;flex-shrink:0;justify-content:center;align-items:center;width:2.75rem;height:2.75rem;font-size:1.35rem;display:flex}.hero-card-tag{letter-spacing:.06em;text-transform:uppercase;color:var(--text-light);font-size:.7rem;font-weight:800}.hero-card-val{color:var(--text-main);font-size:1.05rem;font-weight:800;line-height:1.2}.hero-card-sub{color:var(--text-muted);font-size:.775rem}.hero-card-1{width:240px;animation:5s ease-in-out infinite alternate heroFloat1;top:12px;left:0}.hero-card-2{width:210px;animation:6s ease-in-out .8s infinite alternate heroFloat2;top:60px;right:-10px}.hero-card-3{width:235px;animation:5.5s ease-in-out 1.5s infinite alternate heroFloat2;bottom:60px;left:20px}.hero-card-4{width:215px;animation:6.5s ease-in-out .4s infinite alternate heroFloat1;bottom:16px;right:15px}@keyframes heroFloat1{0%{transform:translateY(0)rotate(0)}to{transform:translateY(-10px)rotate(.5deg)}}@keyframes heroFloat2{0%{transform:translateY(0)rotate(0)}to{transform:translateY(8px)rotate(-.5deg)}}.hero-animate-badge{animation:.5s ease-out 50ms both heroEntrance}.hero-animate-title{animation:.55s ease-out .15s both heroEntrance}.hero-animate-text{animation:.6s ease-out .25s both heroEntrance}.hero-animate-actions{animation:.65s ease-out .35s both heroEntrance}.hero-animate-visual{animation:.75s ease-out .45s both heroEntrance}@keyframes heroEntrance{0%{opacity:0;transform:translateY(16px)}to{opacity:1;transform:translateY(0)}}@media (prefers-reduced-motion:reduce){.hero-float-card{animation:none!important}.hero-animate-badge,.hero-animate-title,.hero-animate-text,.hero-animate-actions,.hero-animate-visual{opacity:1!important;animation:none!important;transform:none!important}}.btn{border-radius:var(--radius-sm);cursor:pointer;box-shadow:var(--shadow-sm);-webkit-user-select:none;user-select:none;border:none;justify-content:center;align-items:center;gap:.5rem;padding:.85rem 1.75rem;font-size:1rem;font-weight:700;transition:all .2s cubic-bezier(.4,0,.2,1);display:inline-flex;text-decoration:none!important}.btn-primary{background:linear-gradient(135deg, var(--primary) 0%, var(--accent-indigo) 100%);color:#fff;box-shadow:0 4px 14px #2563eb40}.btn-primary:hover{background:linear-gradient(135deg, var(--primary-hover) 0%, #4338ca 100%);color:#fff;transform:translateY(-2px);box-shadow:0 8px 20px #2563eb59}.btn-primary:active{transform:translateY(0)}.btn-secondary{background-color:var(--bg-surface);color:var(--text-main);border:1px solid var(--border-dark)}.btn-secondary:hover{background-color:var(--bg-muted);border-color:var(--primary);color:var(--primary);transform:translateY(-2px)}.btn-preset{background-color:var(--primary-light);color:var(--primary-dark);border:1px solid var(--primary-border);border-radius:var(--radius-sm);cursor:pointer;padding:.45rem .9rem;font-size:.825rem;font-weight:700;transition:all .15s}.btn-preset:hover{background-color:var(--primary);color:#fff;border-color:var(--primary);transform:translateY(-1px)}.btn-reset{color:var(--text-muted);border:1px solid var(--border-color);border-radius:var(--radius-sm);cursor:pointer;background-color:#0000;padding:.65rem 1.25rem;font-size:.9rem;font-weight:600;transition:all .15s}.btn-reset:hover{background-color:var(--bg-muted);color:var(--text-main);border-color:var(--border-dark)}.section-title{justify-content:space-between;align-items:center;margin-bottom:1.5rem;font-size:1.5rem;display:flex}.tools-grid{grid-template-columns:repeat(auto-fill,minmax(320px,1fr));gap:1.75rem;margin-bottom:3rem;display:grid}.tool-card{background:var(--bg-surface);border:1px solid var(--border-color);border-radius:var(--radius-md);box-shadow:var(--shadow-sm);flex-direction:column;justify-content:space-between;padding:1.75rem;transition:transform .2s cubic-bezier(.4,0,.2,1),box-shadow .2s cubic-bezier(.4,0,.2,1),border-color .2s;display:flex}.tool-card:hover{box-shadow:var(--shadow-hover);border-color:var(--primary-border);transform:translateY(-4px)}.badge{text-transform:uppercase;letter-spacing:.05em;background:var(--primary-light);color:var(--primary-dark);border:1px solid var(--primary-border);border-radius:9999px;align-items:center;gap:.35rem;width:fit-content;margin-bottom:.85rem;padding:.3rem .75rem;font-size:.75rem;font-weight:700;display:inline-flex}.tool-card h3{margin:0 0 .5rem;font-size:1.25rem}.tool-card p{color:var(--text-muted);flex:1;margin-bottom:1.5rem;font-size:.95rem;line-height:1.5}.calculator-card{background:var(--bg-surface);border:1px solid var(--border-color);border-radius:var(--radius-lg);box-shadow:var(--shadow-md);margin:1.75rem 0 2.5rem;padding:2.25rem}.form-grid{grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:1.5rem;margin-bottom:1.75rem;display:grid}.form-group{flex-direction:column;gap:.4rem;display:flex}.form-group label{color:var(--text-main);font-size:.925rem;font-weight:700}.form-control{border:1px solid var(--border-dark);border-radius:var(--radius-sm);background:var(--bg-surface);width:100%;color:var(--text-main);outline:none;padding:.85rem 1rem;font-size:1rem;transition:border-color .15s,box-shadow .15s}.form-control:focus{border-color:var(--primary);box-shadow:0 0 0 3px var(--primary-border)}.form-actions{flex-wrap:wrap;align-items:center;gap:1rem;margin-top:1.25rem;display:flex}.result-card{background:var(--primary-light);border:2px solid var(--primary-border);border-radius:var(--radius-md);margin-top:2rem;padding:1.75rem}.result-header{color:var(--primary-dark);justify-content:space-between;align-items:center;margin-bottom:1rem;font-size:1.1rem;font-weight:800;display:flex}.result-metrics-grid{grid-template-columns:repeat(auto-fit,minmax(190px,1fr));gap:1rem;margin:1.25rem 0;display:grid}.metric-item{background:var(--bg-surface);border-radius:var(--radius-sm);border:1px solid var(--border-color);box-shadow:var(--shadow-sm);padding:1.15rem}.metric-label{color:var(--text-light);text-transform:uppercase;letter-spacing:.04em;font-size:.8rem;font-weight:700}.metric-val{color:var(--text-main);font-size:1.45rem;font-weight:800}.error-banner{background:var(--error-bg);border:1px solid var(--error-border);color:var(--error-text);border-radius:var(--radius-sm);margin:1.5rem 0;padding:1rem 1.25rem;font-weight:600}.disclaimer-box{background:var(--warning-bg);border:1px solid var(--warning-border);color:var(--warning-text);border-radius:var(--radius-md);margin:2.5rem 0;padding:1.25rem;font-size:.9rem;line-height:1.6}.breadcrumbs{color:var(--text-light);flex-wrap:wrap;align-items:center;gap:.5rem;margin-bottom:1.5rem;font-size:.875rem;list-style:none;display:flex}.breadcrumbs li:not(:last-child):after{content:"/";color:var(--border-dark);margin-left:.5rem}.ad-slot-container{background:var(--bg-muted);border:1px dashed var(--border-dark);border-radius:var(--radius-sm);text-align:center;min-height:90px;color:var(--text-light);letter-spacing:.05em;text-transform:uppercase;justify-content:center;align-items:center;margin:2rem 0;padding:1rem;font-size:.75rem;display:flex}.faq-list{flex-direction:column;gap:1.25rem;margin:1.5rem 0;display:flex}.faq-item{background:var(--bg-surface);border:1px solid var(--border-color);border-radius:var(--radius-md);box-shadow:var(--shadow-sm);padding:1.35rem}.faq-question{color:var(--text-main);margin-bottom:.5rem;font-size:1.05rem;font-weight:700}.faq-answer{color:var(--text-muted);margin-bottom:0;font-size:.95rem;line-height:1.6}@media (max-width:992px){.hero-grid{grid-template-columns:1fr;gap:2.5rem}.hero-content{text-align:center;align-items:center}.hero-subtitle{margin-left:auto;margin-right:auto}.hero-actions{justify-content:center}.hero-visual{height:320px}}@media (max-width:600px){h1{font-size:1.95rem}h2{font-size:1.45rem}.hero-title{font-size:2.2rem}.hero-subtitle{font-size:1.05rem}.calculator-card{padding:1.35rem}.form-actions{flex-direction:column;align-items:stretch}.btn{width:100%}.hero-visual{display:none}}