:root{--primary:#315bef;--primary-electric:#4a63ff;--primary-hover:#2348d6;--primary-dark:#14213d;--primary-light:#eef4ff;--primary-border:#c4d7fe;--accent-lavender:#eee9ff;--accent-violet:#ddd6ff;--accent-pink:#fce7f1;--accent-indigo:#4f46e5;--bg-main:#fafbff;--bg-surface:#fff;--bg-muted:#f1f5f9;--text-main:#14213d;--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 #14213d0d;--shadow-md:0 4px 14px #14213d12;--shadow-lg:0 10px 28px #14213d1a;--shadow-hover:0 14px 36px #315bef29;--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}.brand-wordmark{-webkit-user-select:none;user-select:none;align-items:center;gap:.65rem;transition:transform .2s,filter .2s;display:inline-flex;text-decoration:none!important}.brand-wordmark:hover{filter:drop-shadow(0 4px 12px #4a63ff40);transform:translateY(-1px)}.wordmark-icon-badge{background:linear-gradient(135deg, var(--primary) 0%, var(--primary-electric) 50%, var(--accent-indigo) 100%);color:#fff;border-radius:10px;justify-content:center;align-items:center;width:2.35rem;height:2.35rem;transition:transform .25s;display:inline-flex;box-shadow:0 3px 10px #315bef47}.brand-wordmark:hover .wordmark-icon-badge{transform:rotate(-6deg)scale(1.05)}.wordmark-text-group{letter-spacing:-.03em;color:var(--primary-dark);align-items:baseline;gap:.15rem;font-size:1.35rem;font-weight:800;display:inline-flex}.wordmark-main{display:inline-block;position:relative}.wordmark-italic-accent{background:linear-gradient(135deg, var(--primary-dark) 0%, var(--primary) 100%);-webkit-text-fill-color:transparent;-webkit-background-clip:text;font-style:italic}.wordmark-tool-path{pointer-events:none;width:48%;height:8px;transition:transform .2s;position:absolute;bottom:-4px;left:52%}.brand-wordmark:hover .wordmark-tool-path{transform:scaleX(1.08)}.wordmark-domain{letter-spacing:.02em;background:linear-gradient(135deg, var(--accent-lavender) 0%, var(--accent-violet) 100%);color:var(--primary);border:1px solid var(--primary-border);border-radius:9999px;margin-left:.25rem;padding:.2rem .55rem;font-size:.775rem;font-weight:800}.footer-wordmark-text .wordmark-main{color:#fff}.footer-wordmark-text .wordmark-italic-accent{background:linear-gradient(135deg, #fff 0%, var(--accent-violet) 100%);-webkit-text-fill-color:transparent;-webkit-background-clip:text}.site-header{-webkit-backdrop-filter:blur(12px);border-bottom:1px solid var(--border-color);z-index:100;box-shadow:var(--shadow-sm);background:#ffffffeb;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:#14213d;border-top:1px solid #1e293b;margin-top:5rem;padding:4rem 0 2rem;font-size:.925rem}.footer-grid{grid-template-columns:1.2fr repeat(3,1fr);gap:3rem;margin-bottom:3rem;display:grid}.footer-brand-desc{color:#94a3b8;max-width:320px;margin-top:1rem;font-size:.9rem;line-height:1.6}.footer-col h4{color:#fff;letter-spacing:-.01em;margin-bottom:1.15rem;font-size:1rem}.footer-col ul{list-style:none}.footer-col li{margin-bottom:.65rem}.footer-col a{color:#94a3b8;font-weight:500}.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{color:#fff;background:linear-gradient(#090d2a 0%,#0f1747 25%,#251654 50%,#5a1860 70%,#a82d5a 84%,#e86343 93%,#ff9e5e 100%);border-bottom:1px solid #ffffff1a;margin-bottom:3rem;padding:4.5rem 0;position:relative;overflow:hidden}.hero-dark-badge{-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);color:#fff!important;background:#ffffff1f!important;border:1px solid #ffffff40!important}.hero-dark-title{letter-spacing:-.02em;font-size:3.1rem;font-weight:800;line-height:1.15;color:#fff!important}.hero-accent-text-light{background:linear-gradient(135deg,#a78bfa 0%,#f472b6 50%,#fb923c 100%);-webkit-text-fill-color:transparent;-webkit-background-clip:text}.hero-dark-subtitle{font-size:1.125rem;line-height:1.6;color:#ffffffd9!important}.btn-hero-white{color:#0f172a!important;background:#fff!important;border:1px solid #fff!important;font-weight:700!important}.btn-hero-white:hover{transform:translateY(-2px);box-shadow:0 8px 24px #fff3;background:#f8fafc!important}.hero-sky-canvas{pointer-events:none;z-index:1;width:100%;height:100%;position:absolute;inset:0}.hero-plane-container{z-index:3;pointer-events:none;filter:drop-shadow(0 8px 20px #0006);will-change:transform;animation:7s ease-in-out infinite heroAirplaneFlight;position:absolute;top:10%;right:6%}@keyframes heroAirplaneFlight{0%{transform:translate(0,0)rotate(0)}25%{transform:translate(18px,-8px)rotate(1.2deg)}50%{transform:translate(30px,4px)rotate(-.8deg)}75%{transform:translate(14px,-6px)rotate(.9deg)}to{transform:translate(0,0)rotate(0)}}.hero-propeller-spin{transform-origin:120px 39px;transform-box:fill-box;will-change:transform;animation:.22s linear infinite heroPropellerSpin}@keyframes heroPropellerSpin{0%{transform:rotate(0)}to{transform:rotate(360deg)}}.hero-sun-glow{transform-origin:570px 345px;transform-box:fill-box;will-change:transform, opacity;animation:5s ease-in-out infinite alternate heroSunGlowPulse}.hero-sun-ray{transform-origin:570px 345px;transform-box:fill-box;will-change:transform, opacity;animation:5s ease-in-out infinite alternate heroSunRayPulse}.hero-sun-core{transform-origin:570px 345px;transform-box:fill-box;animation:5s ease-in-out infinite alternate heroSunCorePulse}@keyframes heroSunGlowPulse{0%{opacity:.6;transform:scale(.94)}50%{opacity:.95;transform:scale(1.08)}to{opacity:.65;transform:scale(.96)}}@keyframes heroSunRayPulse{0%{opacity:.3;transform:scale(.95)}50%{opacity:.6;transform:scale(1.12)}to{opacity:.32;transform:scale(.97)}}@keyframes heroSunCorePulse{0%{filter:drop-shadow(0 0 8px #fff4d099)}50%{filter:drop-shadow(0 0 16px #fff4d0f2)}to{filter:drop-shadow(0 0 9px #fff4d0a6)}}.hero-star{z-index:1;pointer-events:none;background:#fff;border-radius:50%;width:2px;height:2px;animation:3s ease-in-out infinite alternate starTwinkle;position:absolute}.hero-star-1{opacity:.8;animation-delay:0s;top:12%;left:22%}.hero-star-2{opacity:.6;animation-delay:.8s;top:25%;left:45%}.hero-star-3{opacity:.9;animation-delay:1.5s;top:18%;right:30%}.hero-star-4{opacity:.5;animation-delay:2.2s;top:8%;right:15%}.hero-star-5{opacity:.7;animation-delay:1.1s;top:32%;left:10%}@keyframes starTwinkle{0%{opacity:.3;transform:scale(.8)}to{opacity:1;transform:scale(1.4)}}.hero-particle{pointer-events:none;z-index:1;border-radius:50%;position:absolute}.hero-particle-1{background:var(--primary-electric);opacity:.25;width:6px;height:6px;animation:4s ease-in-out infinite alternate particlePulse;top:22%;left:15%}.hero-particle-2{background:var(--accent-indigo);opacity:.2;width:8px;height:8px;animation:6s ease-in-out 1s infinite alternate particlePulse;top:70%;left:35%}.hero-particle-3{opacity:.2;background:#db2777;width:7px;height:7px;animation:5s ease-in-out .5s infinite alternate particlePulse;top:30%;right:25%}@keyframes particlePulse{0%{opacity:.15;transform:scale(1)translateY(0)}to{opacity:.35;transform:scale(1.4)translateY(-10px)}}.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:.04em;text-transform:uppercase;background:linear-gradient(135deg, var(--primary-light) 0%, var(--accent-lavender) 50%, var(--accent-pink) 100%);color:var(--primary-dark);border:1px solid var(--primary-border);border-radius:9999px;align-items:center;gap:.5rem;margin-bottom:1.15rem;padding:.4rem .95rem;font-size:.775rem;font-weight:700;display:inline-flex;box-shadow:0 2px 8px #315bef0f}.hero-title{letter-spacing:-.03em;max-width:680px;color:var(--primary-dark);margin-bottom:1.15rem;font-size:3.1rem;font-weight:800;line-height:1.15}.hero-accent-text{background:linear-gradient(135deg, var(--primary) 0%, var(--primary-electric) 50%, var(--accent-indigo) 100%);-webkit-text-fill-color:transparent;-webkit-background-clip:text}.hero-subtitle{color:var(--text-muted);max-width:580px;margin-bottom:2rem;font-size:1.175rem;line-height:1.65}.hero-actions{flex-wrap:wrap;align-items:center;gap:1.15rem;display:flex}.btn-hero{border-radius:10px;padding:.95rem 1.85rem;font-size:1.025rem}.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);-webkit-user-select:none;user-select:none;background:#ffffffeb;border:1px solid #e2e8f0f2;border-radius:14px;align-items:center;gap:.8rem;padding:.9rem 1.15rem;transition:transform .25s,box-shadow .25s,border-color .25s;display:flex;position:absolute;box-shadow:0 10px 28px #14213d12}.hero-float-card:hover{border-color:var(--primary-border);transform:translateY(-4px);box-shadow:0 16px 36px #315bef29}.hero-card-icon{border-radius:10px;flex-shrink:0;justify-content:center;align-items:center;width:2.6rem;height:2.6rem;font-size:1.3rem;display:flex}.hero-card-tag{letter-spacing:.06em;text-transform:uppercase;color:var(--text-light);font-size:.675rem;font-weight:800}.hero-card-val{color:var(--text-main);font-size:1.025rem;font-weight:800;line-height:1.2}.hero-card-sub{color:var(--text-muted);font-size:.75rem}.hero-card-1{width:245px;animation:5s ease-in-out infinite alternate heroFloat1;top:15px;left:0}.hero-card-2{width:220px;animation:6.5s ease-in-out .5s infinite alternate heroFloat2;top:65px;right:-5px}.hero-card-3{width:235px;animation:5.5s ease-in-out 1.2s infinite alternate heroFloat2;bottom:75px;left:20px}.hero-card-4{width:220px;animation:6s ease-in-out .3s infinite alternate heroFloat1;bottom:15px;right:10px}@keyframes heroFloat1{0%{transform:translateY(0)rotate(0)}to{transform:translateY(-8px)rotate(.4deg)}}@keyframes heroFloat2{0%{transform:translateY(0)rotate(0)}to{transform:translateY(7px)rotate(-.4deg)}}@media (prefers-reduced-motion:reduce){.hero-flight-trail,.hero-plane-container,.hero-particle,.hero-float-card{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:var(--primary);color:#fff;border-radius:10px;box-shadow:0 4px 14px #315bef47}.btn-primary:hover{background:var(--primary-hover);color:#fff;transform:translateY(-2px);box-shadow:0 8px 22px #315bef61}.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);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);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}@media (max-width:992px){.footer-grid{grid-template-columns:1fr 1fr;gap:2.5rem}.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;width:100%}.hero-visual{height:300px}}@media (max-width:600px){.footer-grid{grid-template-columns:1fr;gap:2rem}h1{font-size:1.95rem}h2{font-size:1.45rem}.hero-section{padding:3rem 0 2.25rem}.hero-title{font-size:2.15rem}.hero-subtitle{font-size:1.025rem}.calculator-card{padding:1.35rem}.form-actions{flex-direction:column;align-items:stretch}.btn{width:100%}.btn-hero{text-align:center;justify-content:center;width:100%}.hero-visual{height:auto;margin-top:.5rem}.hero-stage{grid-template-columns:1fr 1fr;gap:.6rem;max-width:100%;height:auto;display:grid}.hero-float-card{box-shadow:var(--shadow-sm);padding:.75rem;position:static;width:100%!important;animation:none!important}.hero-card-3,.hero-card-4{display:none}}