@import "https://fonts.googleapis.com/css2?family=Inter:wght@400;700;800&family=Roboto+Mono:wght@400;500;700&display=swap";:root{--color-obsidian:#0b0c0d;--color-silver:silver;--color-slate-grey:#4a5568;--color-white:#fff;--color-slate-dark:#1a1c20;--font-heading:"Inter", sans-serif;--font-mono:"Roboto Mono", monospace;--spacing-xs:.5rem;--spacing-sm:1rem;--spacing-md:2rem;--spacing-lg:4rem;--spacing-xl:6rem}*{box-sizing:border-box;margin:0;padding:0}body{background-color:var(--color-obsidian);color:var(--color-silver);font-family:var(--font-heading);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;line-height:1.6;overflow-x:hidden}h1,h2,h3,h4,h5,h6{font-family:var(--font-heading);color:var(--color-white);letter-spacing:-.02em;font-weight:700;line-height:1.1}p,span,div{font-family:var(--font-heading);font-weight:400}.mono-text{font-family:var(--font-mono);text-transform:uppercase;letter-spacing:.1em;color:var(--color-slate-grey);font-size:.875rem}.container{width:100%;max-width:1200px;padding:0 var(--spacing-md);margin:0 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ease-in-out;display:inline-flex}.btn-secondary:hover{border-color:var(--color-silver);color:var(--color-white)}.text-center{text-align:center}.grid-background{background-image:linear-gradient(to right, var(--color-slate-dark) 1px, transparent 1px), linear-gradient(to bottom, var(--color-slate-dark) 1px, transparent 1px);z-index:-1;opacity:.3;background-size:50px 50px;position:absolute;inset:0}.preview-banner{background-color:var(--color-slate-dark);color:var(--color-silver);text-align:center;font-family:var(--font-mono);letter-spacing:.1em;border-bottom:1px solid #c0c0c033;justify-content:center;align-items:center;gap:.5rem;width:100%;padding:.5rem 1rem;font-size:.75rem;font-weight:700;display:flex}.circuit-game-container{background:var(--color-slate-dark);text-align:center;border:1px solid #c0c0c033;border-radius:12px;margin:4rem 0;padding:3rem 2rem;position:relative;overflow:hidden}.circuit-game-watermark{opacity:.1;z-index:0;pointer-events:none;background-image:url(/Ag.JPG);background-position:50%;background-size:cover;width:100%;height:100%;position:absolute;top:0;left:0}.game-header{z-index:1;margin-bottom:2rem;position:relative}.game-board{z-index:1;flex-direction:column;align-items:center;gap:3rem;display:flex;position:relative}.inventory{background:#0006;border-radius:8px;width:100%;max-width:600px;padding:1.5rem}.inventory-items{justify-content:center;gap:2rem;min-height:80px;margin-top:1rem;display:flex}.draggable-item{cursor:grab;border:1px solid var(--color-silver);z-index:10;background:#ffffff1a;border-radius:8px;flex-direction:column;align-items:center;gap:.5rem;padding:1rem;transition:transform .2s,box-shadow .2s;display:flex}.draggable-item:active{cursor:grabbing;transform:scale(1.05);box-shadow:0 4px 12px #c0c0c04d}.draggable-item span{font-family:var(--font-mono);text-transform:uppercase;font-size:.8rem}.circuit-diagram{background:#0003;border-radius:8px;width:100%;max-width:600px;height:200px;position:relative}.circuit-lines{z-index:1;position:absolute;top:0;left:0}.wire{fill:none;stroke:var(--color-slate-grey);stroke-width:4px;transition:stroke .5s}.live-wire{stroke:#10b981;filter:drop-shadow(0 0 5px #10b981)}.circuit-nodes{z-index:2;width:100%;height:100%;position:absolute;top:0;left:0}.node{position:absolute;transform:translate(-50%,-50%)}.node-battery{top:150px;left:50px}.node-switch{top:50px;left:300px}.node-lightbulb{top:150px;left:550px}.droppable-zone{border:2px dashed var(--color-slate-grey);background:#ffffff0d;border-radius:50%;justify-content:center;align-items:center;width:80px;height:80px;transition:all .3s;display:flex}.droppable-zone.over{border-color:var(--color-silver);background:#c0c0c033}.droppable-zone.occupied{border:2px solid var(--color-silver);background:#00000080}.droppable-zone.active-zone{border-color:#10b981;box-shadow:0 0 15px #10b9814d}.zone-label{font-size:.6rem;font-family:var(--font-mono);color:var(--color-slate-grey);text-align:center}.lit-bulb{animation:1.5s infinite alternate pulse-glow}@keyframes pulse-glow{0%{filter:drop-shadow(0 0 5px #f59e0b);transform:scale(1)}to{filter:drop-shadow(0 0 20px #f59e0b);transform:scale(1.1)}}.success-message{z-index:1;font-family:var(--font-mono);color:#10b981;margin-top:2rem;font-size:1.2rem;animation:.5s ease-out forwards fade-in;position:relative}@keyframes fade-in{0%{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}@media (width<=650px){.circuit-diagram{transform-origin:top;height:120px;transform:scale(.6)}}.app-container{flex-direction:column;min-height:100vh;display:flex}.section-padding{padding:6rem 0}.alt-bg{border-top:1px solid var(--color-slate-dark);border-bottom:1px solid var(--color-slate-dark);background:#1a1c2066}.section-title{margin-bottom:.5rem;font-size:2.5rem}.text-muted{color:var(--color-slate-grey)}.text-silver{color:var(--color-silver)}.text-green{color:#10b981}.icon-silver{color:var(--color-silver)}.mb-sm{margin-bottom:1rem}.mb-md{margin-bottom:2rem}.mb-lg{margin-bottom:3rem}.mt-sm{margin-top:1rem}.mt-md{margin-top:2rem}.mt-lg{margin-top:3rem}.mt-xl{margin-top:4rem}.custom-list{margin:0;padding:0;list-style:none}.custom-list li{color:var(--color-white);align-items:center;gap:.75rem;margin-bottom:.75rem;display:flex}.custom-list li svg{color:#10b981;flex-shrink:0}.navbar.sticky{z-index:1000;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);border-bottom:1px solid var(--color-slate-dark);background:#0b0c0de6;padding:1rem 0;position:sticky;top:0}.navbar-content{justify-content:space-between;align-items:center;display:flex}.nav-brand{color:var(--color-white);align-items:center;gap:1rem;text-decoration:none;display:flex}.nav-favicon{object-fit:cover;border-radius:20px;width:40px;height:40px}.nav-links{align-items:center;gap:2rem;display:flex}.nav-links a{color:var(--color-white);font-weight:500;text-decoration:none;transition:color .2s}.nav-links a:hover{color:var(--color-silver)}.nav-links a.btn-primary-sm{background:var(--color-white);color:#000;border-radius:4px;padding:.5rem 1rem;font-weight:600}.nav-links a.btn-primary-sm:hover{background:var(--color-silver);color:var(--color-white)}.hero-section{justify-content:center;align-items:center;min-height:80vh;padding:6rem 0;display:flex}.hero-content{flex-direction:column;align-items:center;gap:2rem;display:flex}.hero-logo-solid{border-radius:20px;width:900px;max-width:100%;height:auto}.hero-text h1{background:linear-gradient(135deg, var(--color-white) 0%, var(--color-silver) 100%);-webkit-text-fill-color:transparent;-webkit-background-clip:text;max-width:800px;margin:0 auto;font-size:3.5rem;line-height:1.2}.sub-headline{color:var(--color-slate-grey);max-width:600px;margin:1.5rem auto;font-size:1.25rem}.hero-metrics{font-family:var(--font-mono);text-transform:uppercase;justify-content:center;gap:2rem;margin:2rem 0;font-size:.9rem;display:flex}.metric{align-items:center;gap:.5rem;display:flex}.cta-group{justify-content:center;gap:1rem;display:flex}.credentials-box{border:1px solid var(--color-slate-dark);text-align:center;background:#ffffff08;border-radius:8px;max-width:800px;margin:3rem auto 0;padding:2.5rem}.about-grid{grid-template-columns:1fr 1fr;gap:2rem;display:grid}.about-card{border:1px solid var(--color-slate-dark);background:#0003;border-radius:8px;padding:2rem}.about-card h4{color:var(--color-silver);margin-bottom:1.5rem;font-size:1.2rem}.about-card.full-width{text-align:center;grid-column:1/-1}.cases-grid{grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:2rem;display:grid}.case-card{background:var(--color-obsidian);border:1px solid var(--color-slate-dark);border-radius:8px;transition:transform .2s;overflow:hidden}.case-card:hover{border-color:var(--color-slate-grey);transform:translateY(-5px)}.case-image-placeholder{border-bottom:1px solid var(--color-slate-dark);height:200px;color:var(--color-slate-grey);font-family:var(--font-mono);background:#ffffff0d;justify-content:center;align-items:center;font-size:.8rem;display:flex}.case-content{padding:2rem}.case-content h3{margin-bottom:1rem;font-size:1.4rem}.case-metrics{flex-direction:column;gap:.5rem;font-size:.95rem;display:flex}.methods-grid{grid-template-columns:1fr 1fr;gap:4rem;display:grid}.elements-list{flex-direction:column;gap:1.5rem;display:flex}.element-item{align-items:flex-start;gap:1rem;display:flex}.element-icon{color:var(--color-silver);background:#ffffff0d;border-radius:8px;padding:.75rem}.element-text strong{margin-bottom:.25rem;font-size:1.1rem;display:block}.element-text p{color:var(--color-slate-grey);font-size:.9rem}.methods-process{border:1px solid var(--color-slate-dark);background:#0003;border-radius:8px;padding:2rem}.placeholder-image{height:150px;color:var(--color-slate-grey);font-family:var(--font-mono);text-align:center;background:#ffffff0d;border-radius:8px;justify-content:center;align-items:center;padding:1rem;font-size:.8rem;display:flex}.timeline{justify-content:space-between;margin-top:1.5rem;display:flex;position:relative}.timeline:before{content:"";background:var(--color-slate-dark);z-index:0;width:100%;height:2px;position:absolute;top:14px;left:0}.timeline-step{z-index:1;background:var(--color-obsidian);border:2px solid var(--color-silver);font-size:.8rem;font-family:var(--font-mono);border-radius:20px;padding:.25rem .75rem;font-weight:700;position:relative}.book-container{grid-template-columns:1fr 1fr;align-items:center;gap:4rem;display:grid}.book-form-wrapper{background:var(--color-obsidian);border:1px solid var(--color-slate-dark);border-radius:8px;flex-direction:column;justify-content:center;min-height:400px;padding:2.5rem;display:flex}.book-form{flex-direction:column;gap:1rem;display:flex}.form-row{gap:1rem;display:flex}.form-row input{flex:1}input{border:1px solid var(--color-slate-dark);width:100%;color:var(--color-white);background:#ffffff0d;border-radius:4px;padding:.75rem 1rem;font-family:inherit;transition:border-color .2s}input:focus{border-color:var(--color-silver);outline:none}.full-width{width:100%}.confirmation-state h3{font-size:2rem}.footer{border-top:1px solid 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