:root{--bg-color:#0b0f19;--text-color:#e8eefb;--text-shadow-color:#ffffff82;--accent-color:#00e6e6;--glow-color:#fff;--card-bg:#111;--border-color:#222;--bg-gradient:linear-gradient(135deg,#0a0a0a,#141416);--bg-gradient-rotated:linear-gradient(0,#0a0a0a,#141416);--border-radius:10px;--stars-color:#fff}[data-theme=light]{--bg-color:#fff;--text-color:#1a1a1a;--text-shadow-color:#00000082;--accent-color:#00b8b8;--glow-color:#000;--card-bg:#f8f9fa;--border-color:#e0e0e0;--bg-gradient:linear-gradient(135deg,#fff,#f8f9fa);--bg-gradient-rotated:linear-gradient(0,#fff,#f8f9fa);--stars-color:var(--accent-color)}[data-theme=light] [class*=glow],[data-theme=light] .btn-glow,[data-theme=light] h1,[data-theme=light] h2,[data-theme=light] h3,[data-theme=light] .page-404 h1,[data-theme=light] .logo img,[data-theme=light] .back-to-home__link,[data-theme=light] .select-label,[data-theme=light] .checkbox-label{box-shadow:none;text-shadow:none!important}[data-theme=light] a:hover,[data-theme=light] .footer-links a:hover{text-shadow:none}[data-theme=light] .btn-glow:hover{background:#00b8b81a;box-shadow:0 4px 12px #00b8b833}*{box-sizing:border-box;margin:0;padding:0}html{scroll-behavior:smooth}body{color:var(--text-color);background:var(--bg-gradient);background-color:var(--bg-color);flex-direction:column;min-height:100vh;font-family:Segoe UI,Tahoma,Geneva,Verdana,sans-serif;line-height:1.6;display:flex}[data-theme=light] body{background:#fff}hr{border:0;border-top:1px solid var(--border-color);margin-top:1rem}strong{color:var(--accent)}a{color:var(--accent-color);text-decoration:none}a:hover{text-shadow:0 0 8px var(--accent-color);transition:text-shadow .3s}a>strong{text-decoration:underline}header{text-align:center;border-bottom:1px solid var(--border-color);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);z-index:2000;width:100%;padding:1rem 2rem;transition:padding .3s,box-shadow .3s,top .3s;position:fixed;top:0}header.sticky{top:-13%;box-shadow:0 2px 8px #00000080}.header-inner{justify-content:space-between;align-items:center;max-width:1200px;margin:auto;display:flex}.logo{display:flex}.logo img{border-radius:10%;height:3rem;transition:transform .3s,box-shadow .3s;position:relative}.logo img:hover{transform:scale(1.05)}.menu-toggle{color:var(--accent-color);cursor:pointer;background:0 0;border:none;font-size:1.5rem;display:none}nav{z-index:2100;position:relative}nav ul{justify-content:center;gap:2rem;list-style:none;display:flex}nav a{padding:.5rem;transition:color .3s;position:relative}nav a:after{content:"";background:var(--accent-color);width:0;height:2px;transition:width .3s;position:absolute;bottom:-3px;left:0}nav a:hover:after,nav a.active:after{width:100%}.controls{align-items:center;gap:1rem;display:flex}.theme-toggle{cursor:pointer;color:var(--accent-color);background:0 0;border:none;font-size:1.2rem;transition:transform .3s}.theme-toggle:hover{transform:rotate(20deg)}.search-container{border:1px solid var(--border-color);border-radius:var(--border-radius);transition:border-color .3s,box-shadow .3s;display:flex;overflow:hidden}.search-container:focus-within{border-color:var(--accent-color);box-shadow:0 0 8px #00e6e699}.search-container input{background:var(--bg-color);color:var(--text-color);border-radius:var(--border-radius);border:none;outline:none;width:15rem;min-width:10rem;max-width:20rem;padding:.5rem;transition:width .3s}.search-container input:focus{outline:var(--accent-color);outline-color:var(--accent-color);width:20rem;box-shadow:0 0 8px #00e6e699}.search-container button{background:var(--accent-color);color:#000;cursor:pointer;padding:0 .75rem;transition:background .3s}.search-container button:hover{background:var(--bg-color);color:var(--accent-color)}header.open nav ul{max-height:300px;display:flex}@media (max-width:840px){.menu-toggle{display:block}nav{z-index:1000;background-color:var(--bg);width:100%;max-height:0;transition:max-height .4s;position:absolute;top:100%;left:0;overflow:hidden}header.open nav{max-height:300px}nav ul{background-color:color-mix(in oklab,var(--accent-color),transparent 92%);border:1px solid #0000;border-color:color-mix(in oklab,var(--accent-color),transparent 60%);flex-direction:column;justify-content:flex-start;gap:1rem;padding:1rem 2rem}.controls{display:none}}main{flex:1;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:1.5rem;display:grid}main.simulations-page{margin-bottom:7.5rem;padding:7rem 2rem 2rem}[data-theme=light] main{background-color:#0000}.chapter-card{border-radius:var(--border-radius);color:var(--ph-fg);border:1px solid #0000;justify-content:center;align-items:center;padding:.5rem;transition:transform .3s,box-shadow .3s;display:flex;position:relative;overflow:hidden;box-shadow:0 0 1rem #04cdcd1a}.chapter-card:before{content:"";background:radial-gradient(circle at top left,var(--accent-color),transparent 75%);width:200%;height:200%;animation:6s ease-in-out infinite 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2px 8px #00000014}[data-theme=light] .chapter-card-overlay>h2{text-shadow:none;color:#1a1a1a}[data-theme=light] .chapter-card-overlay>p{color:#4a4a4a}[data-theme=light] .chapter-card-overlay>a{color:var(--accent-color);border-color:var(--accent-color);background-color:#0000}[data-theme=light] .chapter-card-overlay>a:hover{background-color:var(--accent-color);color:#fff}@keyframes spinStroke{to{transform:rotate(360deg)}}footer{background:color-mix(in oklab,var(--accent-color),transparent 92%);border-top:1px solid #0000;border-color:color-mix(in oklab,var(--accent-color),transparent 60%);padding-top:4rem;position:relative;overflow:hidden}.footer-divider{z-index:1;width:100%;line-height:0;position:absolute;top:0;left:0;overflow:hidden}.footer-divider svg{width:100%;height:80px;display:block}.footer-divider path{fill:var(--card-bg)}.footer-content{z-index:2;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:2rem;max-width:1200px;margin:0 auto;padding:2rem;display:grid;position:relative}.footer-content h3{color:var(--accent-color);text-shadow:0 0 4px var(--accent-color);align-items:center;margin-bottom:.75rem;font-size:1.25rem;display:flex}.footer-about p{opacity:.9;font-size:.95rem;line-height:1.6}.footer-links ul{flex-direction:column;align-items:center;padding:0;list-style:none;display:flex}.footer-links li{margin-bottom:.5rem;position:relative}.footer-links li:before{content:"";border-radius:50%;width:.7em;height:.7em;transition:box-shadow .3s,background .3s;position:absolute;top:50%;left:-1.2rem;transform:translateY(-50%)}.footer-links a{color:var(--accent-color);transition:color .3s,text-shadow .3s}.footer-links a:hover{color:var(--accent-color);text-shadow:0 0 6px var(--accent-color);box-shadow:0 0 0px var(--accent-color)}.footer-links li:hover:before,.footer-links a:hover~li:before{background:var(--accent-color);box-shadow:0 0 8px var(--accent-color)}.footer-center{text-align:center;justify-content:center}.footer-socials a{color:var(--accent-color);font-size:1.5rem}.footer-socials a>*{transition:transform .3s,text-shadow .3s;transform:scale(1)rotateY(0)}.footer-socials a:hover>*{text-shadow:0 0 8px var(--glow-color);transform:rotateY(180deg)}.footer-socials-inner{justify-content:center;gap:1rem;display:flex}.footer-bottom{border-top:1px solid var(--border-color);text-align:center;color:var(--text-shadow-color);justify-content:center;align-items:center;gap:1rem;padding:1rem 2rem 2rem;font-size:.75rem;display:flex}.back-to-top{background:var(--accent-color);color:#000;width:3rem;height:3rem;box-shadow:0 0 12px var(--accent-color);cursor:pointer;opacity:0;pointer-events:none;z-index:1000;border:none;border-radius:50%;justify-content:center;align-items:center;font-size:1.5rem;transition:transform .3s,opacity .4s,bottom .4s;display:flex;position:fixed;bottom:-20px;right:1.5rem}.back-to-top>*{color:var(--text-color)}.back-to-top:hover{transform:translateY(-.4rem)}.back-to-top.visible{opacity:1;pointer-events:auto;bottom:1.5rem}.page-404{text-align:center;flex-direction:column;flex:1;justify-content:center;align-items:center;margin-top:5rem;padding:3rem 3rem 5rem;display:flex}.page-404 h1{text-shadow:0 0 12px var(--glow-color);margin-bottom:1rem;font-size:8rem}.page-404 p{max-width:600px;margin-bottom:2rem;font-size:1.25rem;line-height:1.4}@keyframes fadeInUp{0%{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}.page-404>*{animation:.8s ease-out both fadeInUp}.btn-glow{border:2px solid var(--accent-color);border-radius:var(--border-radius);color:var(--accent-color);text-shadow:0 0 4px var(--glow-color);cursor:pointer;background:#00e6e600;justify-content:center;align-items:center;padding:.75rem 1.5rem;transition:background .3s,box-shadow .3s;display:flex;position:relative;overflow:hidden}.btn-glow:before{content:"";opacity:0;background:radial-gradient(circle,#00e6e666 0%,#0000 50%);width:200%;height:200%;transition:opacity .5s,transform .5s;position:absolute;top:-50%;left:-50%;transform:scale(0)}.btn-glow:hover:before{opacity:1}.btn-glow:hover{box-shadow:0 0 12px var(--accent-color);background:#00e6e61a;transition:transform .5s;transform:scale(1.05)}.btn-glow:active{transition:transform .1s;transform:scale(.95)}.tag{border-radius:var(--border-radius);text-transform:uppercase;color:#000;margin-bottom:.5rem;margin-right:.5rem;padding:.25rem .5rem;font-size:.8rem;font-weight:700;line-height:1;display:inline-block}.tag-green{background:linear-gradient(135deg,#00c62e,#00ff3c);box-shadow:0 0 8px #00ff3c}.tag-lightorange{background:linear-gradient(135deg,#ffc823,#ffb300);box-shadow:0 0 8px #ffc823}.tag-red{background:linear-gradient(135deg,#dc3545,#ff0019);box-shadow:0 0 8px #ff0019}.tag-bluesky{background:linear-gradient(135deg,#007bff,#00cfff);box-shadow:0 0 8px #00cfff}.tag-purple{background:linear-gradient(135deg,#8e44ad,#c678dd);box-shadow:0 0 8px #c678dd}.tag-cyan{background:linear-gradient(135deg,#20c997,#00ffb3);box-shadow:0 0 8px #00ffb3}.tag-grey{background:linear-gradient(135deg,#6c757d,#adb5bd);box-shadow:0 0 8px #adb5bd}.tag-pink{background:linear-gradient(135deg,#e83e8c,#ff6fba);box-shadow:0 0 8px #ff6fba}.tag-orange{background:linear-gradient(135deg,#fd7e14,#ffb07c);box-shadow:0 0 8px #fd7e14}.tag-coral{background:linear-gradient(135deg,#ff6f61,#ff9a8d);box-shadow:0 0 8px #ff9a8d}.screen{background:var(--card-bg);border:1px solid var(--border-color);border-radius:var(--border-radius);min-height:400px;text-shadow:0 0 4px var(--glow-color);flex:2;justify-content:center;align-items:center;margin:1rem;display:flex;position:relative;box-shadow:0 0 12px #ffffff0d}[data-theme=light] .screen{text-shadow:none;box-shadow:0 0 12px #0000001a}.control-group{flex-direction:column;display:flex}.input-label{text-shadow:0 0 4px var(--glow-color);margin-bottom:.25rem;font-size:.9rem}[data-theme=light] .input-label{text-shadow:none;color:var(--text-color)}.input-text,.input-number,.input-slider{border:1px solid var(--border-color);border-radius:var(--border-radius);background:var(--bg-color);color:var(--text-color);outline:none;padding:.5rem;transition:border-color .3s,box-shadow .3s}.input-text:focus,.input-number:focus{border-color:var(--accent-color);box-shadow:0 0 8px #00e6e699}.input-number:disabled{color:#888;cursor:not-allowed;opacity:.7;background:#222;border-color:#333}[data-theme=light] .input-number:disabled{background:var(--border-color);color:var(--text-color);opacity:.6}.input-slider{-webkit-appearance:none;background:var(--border-color);border-radius:3px;height:6px}.input-slider::-webkit-slider-thumb{-webkit-appearance:none;background:var(--accent-color);cursor:pointer;border:2px solid #000;border-radius:50%;width:16px;height:16px;margin-top:-5px;transition:transform .2s,box-shadow .2s}.input-slider::-webkit-slider-thumb:hover{box-shadow:0 0 8px var(--glow-color);transform:scale(1.2)}.checkbox-container{flex-direction:column;justify-content:center;display:flex;position:relative}.checkbox-input{opacity:0;width:0;height:0;position:absolute}.checkbox-label{cursor:pointer;-webkit-user-select:none;user-select:none;color:var(--text-color);text-shadow:0 0 4px var(--glow-color);align-items:center;font-size:.95rem;display:inline-flex}.checkbox-toggle{background:var(--border-color);border-radius:1rem;align-items:center;width:4rem;height:2rem;margin-right:.75rem;transition:background .3s,box-shadow .3s;display:flex;position:relative}.checkbox-toggle:after{content:"";background:var(--accent-color);border-radius:1rem;width:1.7rem;height:1.7rem;margin:0 .2rem;transition:transform .3s,box-shadow .3s;position:absolute}.checkbox-input:checked+.checkbox-label .checkbox-toggle{background:var(--accent-color);transition:box-shadow .5s}.checkbox-input:checked+.checkbox-label .checkbox-toggle:after{box-shadow:0 0 6px var(--accent-color);background:var(--card-bg);transform:translate(110%)}.checkbox-label:hover .checkbox-toggle{box-shadow:0 0 8px var(--accent-color);transition:box-shadow .5s}.select-container{flex-direction:column;width:100%;display:flex}.select-label{color:var(--text-color);text-shadow:0 0 4px var(--glow-color);margin-bottom:.25rem;font-size:.9rem}.select-wrapper{width:100%;position:relative}.select-input{appearance:none;width:100%;color:var(--text-color);background:var(--bg-color);border:1px solid var(--border-color);border-radius:var(--border-radius);outline:none;padding:.5rem 2.5rem .5rem .75rem;font-size:1rem;transition:border-color .3s,box-shadow .3s}.select-input:focus{border-color:var(--accent-color);box-shadow:0 0 8px #00e6e699}.select-arrow{pointer-events:none;color:var(--accent-color);text-shadow:0 0 4px var(--accent-color);font-size:.8rem;position:absolute;top:50%;right:.75rem;transform:translateY(-50%)}.select-input option[disabled]{color:#888}.back-to-home{text-align:left;margin:1.5em}.back-to-home__link{border:.1em solid var(--accent-color);color:var(--accent-color);text-shadow:0 0 4px var(--accent-color);background:0 0;border-radius:.5rem;align-items:center;gap:.5rem;padding:.75em 1.5em;font-family:inherit;transition:background .3s,box-shadow .3s,transform .1s;display:inline-flex;position:relative;overflow:hidden}.back-to-home__link:before{content:"";opacity:0;background:radial-gradient(circle,#00e6e61a 0%,#0000 50%);width:200%;height:200%;transition:opacity .5s,transform .5s;position:absolute;top:-50%;left:-50%;transform:scale(0)}.back-to-home__link:hover:before{opacity:1;transform:scale(1)}.back-to-home__link:hover,.back-to-home__link:focus{box-shadow:0 0 12px var(--accent-color);background:#00e6e61a;transform:translateY(-4px)}.back-to-home__icon{font-size:1.25em;line-height:1}.back-to-home__text{line-height:1}.color-input-container{border-radius:100%;align-items:center;gap:.75rem;margin:1rem 0;display:flex}.color-input-label{color:var(--text-color);text-shadow:0 0 4px var(--glow-color);font-size:.95rem}[data-theme=light] .color-input-label{text-shadow:none}.color-input{border:var(--bg-color)2px solid;cursor:pointer;aspect-ratio:1;background:0 0;border-radius:50%;width:2.5rem;height:2.5rem;padding:0;transition:box-shadow .3s}.color-input::-webkit-color-swatch-wrapper{border:none;padding:0}.color-input::-webkit-color-swatch{aspect-ratio:1;border:none;border-radius:50%;width:100%;height:100%;padding:0}.color-input:hover,.color-input:focus{box-shadow:0 0 8px var(--glow-color);border:none;outline:none}.inputs-container{background:var(--bg-gradient-rotated);border-radius:var(--border-radius);border:var(--accent-color)solid 1px;box-shadow:0px 0px 5px var(--accent-color);flex:1;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:1.5rem;margin:1rem 1.5rem;padding:1.5rem;display:grid}.top-nav-sim{align-items:stretch;width:100%;margin-top:5rem;display:flex;position:relative}.top-nav-sim-inner{box-sizing:border-box;flex-wrap:wrap;flex-grow:2;justify-content:center;align-items:center;width:50%;max-width:80%;margin:0 auto;display:flex;overflow:hidden}.top-nav-sim-inner>h3{white-space:nowrap}.top-nav-sim-back-to-home-wrapper{justify-content:center;width:20%;display:flex}.top-nav-sim-filler{width:20%}.wind-container{position:relative}.wind-overlay{pointer-events:none;opacity:.2;transition:opacity .3s;position:absolute;top:50%;left:20%;transform:translateY(-50%)}.wind-overlay.blowing{opacity:1}.wind-icon{filter:drop-shadow(0 2px 6px #00000059);animation:.9s ease-in-out infinite alternate wind-drift}@keyframes wind-drift{0%{transform:translateY(0)}to{transform:translateY(-3px)}}.wind-icon path{stroke-dasharray:6 10;animation:.6s linear infinite wind-wave}.wind-icon{animation:wind-drift var(--wind-speed,.9s)ease-in-out infinite alternate}@keyframes wind-wave{to{stroke-dashoffset:-16px}}.page-container{flex:1;gap:1rem;padding:7rem 4rem 2rem;display:grid}.page-container ol,ul{padding-left:1rem}.about-page{gap:clamp(1.5rem,3vw,2.5rem);width:min(1200px,100%);margin-inline:auto}.about-hero{background:color-mix(in oklab,var(--bg-color),black 6%);border:1px solid color-mix(in oklab,var(--accent-color),transparent 65%);border-radius:20px;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:clamp(1.5rem,3vw,2.5rem);padding:clamp(1.8rem,3vw,2.8rem);display:grid;position:relative;overflow:hidden;box-shadow:0 25px 50px #00000059}.about-hero:after{content:"";opacity:.35;background:radial-gradient(circle at 80% 0%,color-mix(in oklab,var(--accent-color),transparent 20%),transparent 60%);pointer-events:none;position:absolute;inset:0}.about-hero__text{z-index:1;flex-direction:column;gap:1rem;display:flex;position:relative}.about-eyebrow{letter-spacing:.2em;text-transform:uppercase;color:var(--accent-color);font-size:.8rem}.about-cta{flex-wrap:wrap;align-items:center;gap:.8rem 1.2rem;display:flex}.about-secondary-link{color:var(--accent-color);text-transform:uppercase;letter-spacing:.1em;align-items:center;gap:.3rem;font-size:.85rem;font-weight:600;display:inline-flex}.about-stats-grid{z-index:1;grid-template-columns:repeat(auto-fit,minmax(160px,1fr));gap:1rem;display:grid;position:relative}.about-stat{border:1px solid color-mix(in oklab,var(--accent-color),transparent 60%);background:color-mix(in oklab,var(--accent-color),transparent 92%);border-radius:16px;padding:1rem 1.2rem;box-shadow:0 15px 35px #0000004d}.about-stat__value{font-size:clamp(1.8rem,3vw,2.4rem);font-weight:700;display:block}.about-stat__label{text-transform:uppercase;letter-spacing:.08em;color:color-mix(in oklab,var(--accent-color),white 30%);font-size:.85rem}.about-panels{grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:1.5rem;display:grid}.about-panel{background:color-mix(in oklab,var(--bg-color),black 8%);border:1px solid color-mix(in oklab,var(--accent-color),transparent 70%);border-radius:18px;padding:clamp(1.5rem,3vw,2rem);box-shadow:0 20px 40px #00000040}.about-list{gap:.5rem;margin-top:1rem;padding-left:1rem;display:grid}.about-chip-grid{flex-wrap:wrap;gap:.65rem;margin-top:1.25rem;display:flex}.about-chip{background:color-mix(in oklab,var(--accent-color),transparent 90%);border:1px solid color-mix(in oklab,var(--accent-color),transparent 45%);border-radius:999px;padding:.4rem .95rem;font-size:.85rem;box-shadow:0 8px 20px #0000004d}.about-grid{grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:1.5rem;display:grid}.about-card{background:color-mix(in oklab,var(--bg-color),black 10%);border:1px solid color-mix(in oklab,var(--accent-color),transparent 70%);border-radius:16px;flex-direction:column;gap:.8rem;padding:1.5rem;display:flex;box-shadow:0 18px 35px #00000040}.about-icon{background:color-mix(in oklab,var(--accent-color),transparent 75%);width:42px;height:42px;color:var(--accent-color);border-radius:12px;justify-content:center;align-items:center;font-size:1.1rem;display:inline-flex;box-shadow:0 12px 22px #00000059}.about-icon--ghost{border:1px solid color-mix(in oklab,var(--accent-color),transparent 40%);background:0 0}.about-callouts{grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:1.25rem;display:grid}.about-callout{background:color-mix(in oklab,var(--bg-color),black 7%);border:1px solid color-mix(in oklab,var(--accent-color),transparent 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