:root{--bg-color: #0b0e1a;--card-bg: rgba(21, 29, 59, .55);--card-bg-solid: #151d3b;--border-color: rgba(255, 255, 255, .08);--border-hover: rgba(59, 130, 246, .4);--text-primary: #f8fafc;--text-secondary: #94a3b8;--text-muted: #64748b;--primary: #3b82f6;--primary-glow: rgba(59, 130, 246, .25);--secondary: #10b981;--secondary-glow: rgba(16, 185, 129, .25);--accent: #8b5cf6;--accent-glow: rgba(139, 92, 246, .25);--warning: #f59e0b;--font-heading: "Outfit", sans-serif;--font-body: "Inter", sans-serif;--font-code: "Fira Code", monospace;--transition: all .3s cubic-bezier(.4, 0, .2, 1)}*{margin:0;padding:0;box-sizing:border-box;scroll-behavior:smooth}body{background-color:var(--bg-color);color:var(--text-primary);font-family:var(--font-body);line-height:1.6;overflow-x:hidden;position:relative}.bg-glow{position:absolute;width:600px;height:600px;border-radius:50%;filter:blur(150px);pointer-events:none;z-index:-1;opacity:.15;transition:var(--transition)}.bg-glow-1{background:radial-gradient(circle,var(--primary) 0%,transparent 70%);top:-100px;right:-100px;animation:floatGlow 15s ease-in-out infinite alternate}.bg-glow-2{background:radial-gradient(circle,var(--accent) 0%,transparent 70%);top:60%;left:-200px;animation:floatGlow 20s ease-in-out infinite alternate-reverse}@keyframes floatGlow{0%{transform:translate(0) scale(1)}to{transform:translate(50px,80px) scale(1.1)}}.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}.gradient-text{background:linear-gradient(135deg,#00f2fe,#4facfe,#8b5cf6);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}h1,h2,h3,h4{font-family:var(--font-heading);font-weight:700}.section{padding:100px 0;border-bottom:1px solid var(--border-color)}.section-header{text-align:center;max-width:700px;margin:0 auto 60px}.section-title{font-size:2.5rem;margin-bottom:16px;letter-spacing:-.5px}.section-subtitle{color:var(--text-secondary);font-size:1.125rem}.badge{display:inline-block;padding:6px 14px;background:#3b82f61a;border:1px solid rgba(59,130,246,.2);border-radius:30px;font-size:.85rem;font-weight:600;color:var(--primary);margin-bottom:20px;letter-spacing:.5px}.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;font-family:var(--font-heading);font-weight:600;padding:12px 28px;border-radius:12px;cursor:pointer;transition:var(--transition);text-decoration:none;border:none;font-size:1rem}.btn-primary{background:linear-gradient(135deg,var(--primary) 0%,#2563eb 100%);color:#fff;box-shadow:0 4px 20px var(--primary-glow)}.btn-primary:hover{transform:translateY(-2px);box-shadow:0 6px 24px #3b82f673}.btn-secondary{background:linear-gradient(135deg,var(--accent) 0%,#7c3aed 100%);color:#fff;box-shadow:0 4px 20px var(--accent-glow)}.btn-secondary:hover{transform:translateY(-2px);box-shadow:0 6px 24px #8b5cf673}.btn-outline{background:transparent;color:var(--text-primary);border:1px solid var(--border-color)}.btn-outline:hover{background:#ffffff0d;border-color:var(--text-secondary)}.btn-sm{padding:8px 18px;font-size:.875rem}.btn-xs{padding:4px 10px;font-size:.75rem;border-radius:6px}.main-header{position:sticky;top:0;background-color:#0b0e1acc;-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);border-bottom:1px solid var(--border-color);z-index:100;padding:16px 0}.header-container{display:flex;justify-content:space-between;align-items:center}.logo{display:flex;align-items:center;gap:10px;text-decoration:none}.logo-icon{width:32px;height:32px}.logo-text{font-family:var(--font-heading);font-weight:800;font-size:1.35rem;color:var(--text-primary)}.nav-menu{display:flex;align-items:center;gap:32px}.nav-link{color:var(--text-secondary);text-decoration:none;font-weight:500;font-size:.95rem;transition:var(--transition)}.nav-link:hover{color:var(--primary)}.hero-section{padding:120px 0 80px;position:relative}.hero-container{display:grid;grid-template-columns:1.1fr .9fr;align-items:center;gap:60px}.hero-title{font-size:3.5rem;line-height:1.2;margin-bottom:24px;letter-spacing:-1px}.hero-subtitle{color:var(--text-secondary);font-size:1.25rem;margin-bottom:40px;font-weight:300}.hero-ctas{display:flex;gap:16px}.hero-visual{display:flex;justify-content:center;align-items:center}.device-showcase-box{background:radial-gradient(circle at center,rgba(30,41,79,.3) 0%,transparent 70%);padding:20px;border-radius:50%}.s20-svg-illustration{width:320px;height:320px;filter:drop-shadow(0 15px 35px rgba(0,0,0,.6))}.wifi-waves .wave{transform-origin:200px 285px}.wifi-waves .wave-1{animation:pulseWave 1.8s infinite .2s}.wifi-waves .wave-2{animation:pulseWave 1.8s infinite .5s}.wifi-waves .wave-3{animation:pulseWave 1.8s infinite .8s}@keyframes pulseWave{0%{opacity:0;transform:scale(.9)}50%{opacity:.8}to{opacity:0;transform:scale(1.1)}}.btn-led-ring{transition:stroke .3s,filter .3s;filter:drop-shadow(0 0 2px var(--warning))}.power-button-group:hover .btn-cap{fill:#2c3652;cursor:pointer}.specs-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:24px}.spec-card{background:var(--card-bg);border:1px solid var(--border-color);border-radius:20px;padding:30px;-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);display:flex;flex-direction:column;gap:20px;transition:var(--transition)}.spec-card:hover{transform:translateY(-5px);border-color:var(--border-hover);box-shadow:0 10px 30px #3b82f61a}.spec-icon{width:50px;height:50px;border-radius:12px;background:#3b82f61a;color:var(--primary);display:flex;align-items:center;justify-content:center}.spec-icon svg{width:26px;height:26px}.spec-info h3{font-size:1.25rem;margin-bottom:8px}.spec-val{font-family:var(--font-heading);font-weight:700;font-size:1.1rem;color:var(--text-primary);margin-bottom:6px}.spec-desc{color:var(--text-secondary);font-size:.9rem}.tab-container{display:flex;justify-content:center;gap:16px;margin-bottom:40px}.tab-btn{background:var(--card-bg);border:1px solid var(--border-color);color:var(--text-secondary);padding:16px 32px;border-radius:14px;cursor:pointer;font-family:var(--font-heading);font-weight:600;font-size:1.05rem;display:flex;flex-direction:column;align-items:center;gap:6px;transition:var(--transition)}.tab-btn:hover{border-color:var(--border-hover);color:var(--text-primary)}.tab-btn.active{background:#3b82f61a;border-color:var(--primary);color:var(--text-primary);box-shadow:0 0 20px var(--primary-glow)}.tab-badge{font-size:.75rem;background:var(--primary-glow);color:var(--primary);padding:2px 8px;border-radius:6px;font-weight:700}.tab-badge.diy{background:var(--accent-glow);color:var(--accent)}.tab-btn.active .tab-badge.diy{background:var(--accent-glow)}.tab-btn:nth-child(2).active{background:#8b5cf61a;border-color:var(--accent);box-shadow:0 0 20px var(--accent-glow)}.wizard-card-wrapper{background:var(--card-bg);border:1px solid var(--border-color);border-radius:24px;padding:40px;-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);max-width:800px;margin:0 auto}.wizard-progress-bar{height:6px;background:#ffffff0d;border-radius:10px;position:relative;margin-bottom:40px}.progress-fill{height:100%;background:linear-gradient(90deg,var(--primary) 0%,var(--accent) 100%);border-radius:10px;width:0%;transition:width .4s ease}.progress-steps{position:absolute;top:50%;left:0;width:100%;transform:translateY(-50%);display:flex;justify-content:space-between}.progress-dot{width:18px;height:18px;border-radius:50%;background:var(--card-bg-solid);border:3px solid var(--border-color);transition:var(--transition);position:relative;cursor:pointer}.progress-dot.active{border-color:var(--primary);background:var(--text-primary);box-shadow:0 0 10px var(--primary)}.progress-dot.completed{border-color:var(--secondary);background:var(--secondary)}.wizard-step-content{min-height:250px;animation:fadeIn .4s ease;margin-bottom:32px}.wizard-step-title{font-size:1.5rem;margin-bottom:16px;display:flex;align-items:center;gap:12px}.wizard-step-desc{color:var(--text-secondary);margin-bottom:24px}.wizard-image-placeholder{background:#0b0e1a80;border:1px dashed var(--border-color);border-radius:12px;padding:24px;margin-top:16px}.wizard-instruction-list{list-style:none;display:flex;flex-direction:column;gap:12px}.wizard-instruction-list li{display:flex;align-items:flex-start;gap:10px}.wizard-instruction-list li:before{content:"✓";color:var(--secondary);font-weight:800}.wizard-actions{display:flex;justify-content:space-between;border-top:1px solid var(--border-color);padding-top:24px}@keyframes fadeIn{0%{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}.code-block{background-color:#070913!important;border:1px solid var(--border-color);border-radius:8px;padding:16px;overflow-x:auto;font-family:var(--font-code);font-size:.85rem;margin:16px 0;color:#38bdf8}.simulator-grid{display:grid;grid-template-columns:1.12fr .88fr;gap:30px;align-items:stretch}.sim-panel{background:var(--card-bg);border:1px solid var(--border-color);border-radius:24px;padding:30px;-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);display:flex;flex-direction:column}.sim-panel-header{display:flex;justify-content:space-between;align-items:center;border-bottom:1px solid var(--border-color);padding-bottom:16px;margin-bottom:24px}.pulse-indicator{display:inline-flex;align-items:center;gap:6px;font-size:.8rem;font-weight:600;color:var(--secondary);background:var(--secondary-glow);padding:4px 10px;border-radius:20px}.pulse-indicator:before{content:"";width:8px;height:8px;background-color:var(--secondary);border-radius:50%;animation:flashLED 1.5s infinite}@keyframes flashLED{0%,to{opacity:.3}50%{opacity:1}}.appliance-selector-wrapper{margin-bottom:24px}.form-select{width:100%;background-color:#0b0e1a;border:1px solid var(--border-color);color:var(--text-primary);padding:12px;border-radius:10px;outline:none;font-family:var(--font-heading);font-weight:500;font-size:.95rem;transition:var(--transition);cursor:pointer}.form-select:focus{border-color:var(--primary);box-shadow:0 0 10px var(--primary-glow)}.sim-visual-arena{flex-grow:1;display:flex;align-items:center;justify-content:space-between;background:#090c17;border:1px solid rgba(255,255,255,.03);border-radius:16px;padding:40px;position:relative;min-height:220px}.virtual-plug-box{width:80px;height:130px;background:linear-gradient(135deg,#2a3454,#171d33);border:2px solid #334063;border-radius:24px;position:relative;display:flex;flex-direction:column;align-items:center;justify-content:flex-end;padding-bottom:16px;box-shadow:0 8px 24px #00000080;z-index:5}.virtual-led-indicator{width:10px;height:10px;border-radius:50%;background-color:#2b3548;position:absolute;top:15px;transition:background-color .2s,box-shadow .2s}.virtual-led-indicator.led-pairing{animation:ledBlinkPairing 1s infinite}.virtual-led-indicator.led-online{background-color:var(--secondary);box-shadow:0 0 10px var(--secondary)}.virtual-led-indicator.led-searching{animation:ledBlinkSearching 2s infinite}@keyframes ledBlinkPairing{0%,30%,to{background-color:#2b3548;box-shadow:none}10%,20%{background-color:var(--secondary);box-shadow:0 0 8px var(--secondary)}}@keyframes ledBlinkSearching{0%,80%,to{background-color:#2b3548;box-shadow:none}40%,60%{background-color:var(--secondary);box-shadow:0 0 8px var(--secondary)}}.virtual-power-button{width:44px;height:44px;border-radius:50%;background-color:#1a2035;border:2px solid #38456b;color:var(--text-muted);cursor:pointer;display:flex;align-items:center;justify-content:center;transition:var(--transition);margin-bottom:16px;outline:none}.virtual-power-button:hover{background-color:#222944;color:var(--text-primary)}.virtual-power-button.active{border-color:var(--primary);color:var(--primary);background-color:#3b82f626;box-shadow:0 0 15px var(--primary-glow)}.virtual-plug-label{font-size:.65rem;font-weight:800;color:#4b587a;letter-spacing:1.5px}.wire-connector{flex-grow:1;height:4px;background:#1e293b;position:relative;margin:0 -2px}.electricity-flow{position:absolute;top:0;left:0;height:100%;width:0%;background:linear-gradient(90deg,var(--primary) 0%,var(--secondary) 100%);box-shadow:0 0 8px var(--secondary);transition:width .4s ease}.electricity-flow.active{width:100%;animation:flowPulse 1.5s infinite linear}@keyframes flowPulse{0%{filter:brightness(1)}50%{filter:brightness(1.5)}to{filter:brightness(1)}}.virtual-appliance-box{width:130px;height:130px;background-color:#12182c;border:2px solid #1e2540;border-radius:20px;display:flex;align-items:center;justify-content:center;position:relative;overflow:hidden;z-index:5}.appliance-graphic{display:none;align-items:center;justify-content:center;width:100%;height:100%;position:relative}.appliance-graphic.active{display:flex}.lamp-glow{position:absolute;width:150px;height:150px;background:radial-gradient(circle,rgba(254,240,138,.2) 0%,transparent 70%);top:-20px;left:50%;transform:translate(-50%);opacity:0;transition:opacity .3s}.fan-blades{transform-origin:50px 45px;transition:transform .5s}.fan-active .fan-blades{animation:spinFan .8s linear infinite}@keyframes spinFan{0%{transform:rotate(0)}to{transform:rotate(360deg)}}.steam-container{position:absolute;top:10px;left:50%;transform:translate(-50%);display:none;gap:8px}.coffee-active .steam-container{display:flex}.steam-puff{width:4px;height:15px;background:#fff6;border-radius:4px;filter:blur(1px);animation:riseSteam 1.5s infinite ease-out}.steam-puff:nth-child(2){animation-delay:.3s}.steam-puff:nth-child(3){animation-delay:.6s}@keyframes riseSteam{0%{transform:translateY(10px) scaleX(1);opacity:0}50%{opacity:.5}to{transform:translateY(-15px) scaleX(1.8);opacity:0}}.sim-console-panel{background-color:#060913;border-color:#1e263e}.console-body{flex-grow:1;font-family:var(--font-code);font-size:.8rem;color:#38bdf8;overflow-y:auto;max-height:280px;display:flex;flex-direction:column;gap:8px;padding:10px;background-color:#03050c;border:1px solid rgba(255,255,255,.02);border-radius:10px}.console-log-item{line-height:1.4;word-break:break-all;border-left:2px solid var(--primary);padding-left:8px}.console-log-item.mqtt-sub{border-color:var(--accent);color:#c084fc}.console-log-item.mqtt-pub{border-color:var(--secondary);color:#34d399}.console-log-item.info{border-color:#64748b;color:#94a3b8}.rules-builder-box{display:grid;grid-template-columns:1fr 1fr;gap:30px;background:var(--card-bg);border:1px solid var(--border-color);border-radius:24px;padding:35px;-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px)}.rules-inputs{display:flex;flex-direction:column;gap:24px}.rule-field{display:flex;flex-direction:column;gap:8px}.rule-field label{font-family:var(--font-heading);font-weight:700;color:var(--primary);font-size:1rem}.rules-output{background-color:#060913;border:1px solid rgba(255,255,255,.04);border-radius:16px;display:flex;flex-direction:column;overflow:hidden}.rules-output-header{background-color:#ffffff05;padding:12px;border-bottom:1px solid var(--border-color)}.tab-pill-container{display:flex;gap:10px}.rule-tab{background:transparent;border:none;color:var(--text-secondary);padding:6px 16px;border-radius:8px;font-family:var(--font-heading);font-weight:600;cursor:pointer;font-size:.85rem;transition:var(--transition)}.rule-tab:hover{color:var(--text-primary)}.rule-tab.active{background-color:#ffffff0f;color:var(--text-primary)}.rules-output-body{flex-grow:1;padding:24px;overflow-y:auto}.rule-output-content{display:none;animation:fadeIn .3s ease}.rule-output-content.active{display:block}#rule-narrative-box{font-size:1.1rem;line-height:1.8}.rule-pill{background:var(--primary-glow);border:1px solid var(--primary);color:var(--text-primary);padding:2px 8px;border-radius:6px;font-weight:600;font-size:.95rem}.rule-pill-action{background:var(--secondary-glow);border-color:var(--secondary)}.rule-pill-condition{background:var(--accent-glow);border-color:var(--accent)}#rule-yaml-code{white-space:pre-wrap;font-family:var(--font-code);font-size:.8rem;color:#e2e8f0}.troubleshoot-layout{display:grid;grid-template-columns:1fr 1.1fr;gap:30px}.troubleshoot-panel{background:var(--card-bg);border:1px solid var(--border-color);border-radius:24px;padding:35px;-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);display:flex;flex-direction:column}.troubleshoot-panel h3{font-size:1.5rem;margin-bottom:24px;border-bottom:1px solid var(--border-color);padding-bottom:12px}.led-guide-list{display:flex;flex-direction:column;gap:16px}.led-guide-item{display:flex;align-items:center;gap:20px;padding:16px;border-radius:12px;border:1px solid transparent;cursor:pointer;transition:var(--transition)}.led-guide-item:hover{background-color:#ffffff05;border-color:var(--border-color)}.led-guide-item.active{background-color:#3b82f614;border-color:#3b82f633}.led-light-preview{width:20px;height:20px;border-radius:50%;background-color:#2b3548;flex-shrink:0}.led-light-preview.solid{background-color:var(--secondary);box-shadow:0 0 10px var(--secondary)}.led-light-preview.pulse-fast{animation:ledBlinkPairing 1s infinite}.led-light-preview.pulse-slow{animation:ledBlinkSearching 2s infinite}.led-light-preview.off{background-color:#1e293b;border:1px solid rgba(255,255,255,.1)}.led-guide-info h4{font-size:1.05rem;margin-bottom:4px}.led-guide-info p{color:var(--text-secondary);font-size:.85rem}.accordion{display:flex;flex-direction:column;gap:12px}.accordion-item{border:1px solid var(--border-color);border-radius:12px;overflow:hidden;background-color:#0b0e1a4d;transition:var(--transition)}.accordion-header{width:100%;background:transparent;border:none;color:var(--text-primary);padding:18px 24px;text-align:left;font-family:var(--font-heading);font-weight:600;font-size:.95rem;display:flex;justify-content:space-between;align-items:center;cursor:pointer;outline:none;transition:var(--transition)}.accordion-header:hover{background-color:#ffffff05}.accordion-icon{font-size:1.2rem;color:var(--primary);transition:transform .3s}.accordion-content{max-height:0;overflow:hidden;transition:max-height .3s cubic-bezier(0,1,0,1),padding .3s;padding:0 24px;color:var(--text-secondary);font-size:.9rem;border-top:1px solid transparent}.accordion-item.active{border-color:var(--border-hover)}.accordion-item.active .accordion-header{background-color:#ffffff05}.accordion-item.active .accordion-icon{transform:rotate(45deg)}.accordion-item.active .accordion-content{max-height:500px;padding:16px 24px 24px;border-top-color:var(--border-color);transition:max-height .3s cubic-bezier(1,0,1,0),padding .3s}.main-footer{padding:40px 0;background-color:#060913;border-top:1px solid var(--border-color);color:var(--text-muted);font-size:.85rem}.footer-container{display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:20px}.footer-links{display:flex;gap:20px}.footer-links a{color:var(--text-muted);text-decoration:none;transition:var(--transition)}.footer-links a:hover{color:var(--primary)}@media (max-width: 992px){.container{padding:0 20px}.hero-container{grid-template-columns:1fr;text-align:center;gap:40px}.hero-ctas{justify-content:center}.simulator-grid,.troubleshoot-layout{grid-template-columns:1fr;gap:20px}}@media (max-width: 768px){.section{padding:60px 0}.section-title{font-size:2rem;margin-bottom:12px}.section-subtitle{font-size:1rem}.main-header{padding:12px 0}.logo-text{font-size:1.15rem}.nav-menu{display:none}.hero-title{font-size:2.25rem}.hero-subtitle{font-size:1.1rem;margin-bottom:28px}.hero-ctas{flex-direction:column;align-items:stretch;gap:12px}.hero-ctas .btn{width:100%}.s20-svg-illustration{width:260px;height:260px}.tab-container{flex-direction:column;align-items:stretch;gap:12px;margin-bottom:24px}.tab-btn{width:100%;padding:12px 20px;font-size:.95rem;align-items:center;text-align:center}.wizard-card-wrapper{padding:20px;border-radius:16px}.wizard-step-title{font-size:1.3rem;flex-direction:column;align-items:flex-start;gap:8px}.wizard-step-content{min-height:auto;margin-bottom:24px}.wizard-image-placeholder{padding:12px}.wizard-actions{padding-top:16px}.wizard-actions .btn{padding:10px 16px;font-size:.9rem}.sim-panel{padding:20px;border-radius:16px}.sim-visual-arena{padding:20px 12px}.virtual-plug-box{width:70px;height:110px;padding-bottom:12px;border-radius:16px}.virtual-power-button{width:38px;height:38px;margin-bottom:8px}.virtual-appliance-box{width:110px;height:110px;border-radius:16px}.rules-builder-box{grid-template-columns:1fr;padding:20px;border-radius:16px;gap:20px}.rules-inputs{gap:16px}.rules-output-body{padding:16px}#rule-narrative-box{font-size:.95rem;line-height:1.6}.troubleshoot-panel{padding:20px;border-radius:16px}.led-guide-item{gap:12px;padding:12px}.accordion-header{padding:14px 16px;font-size:.9rem}.accordion-content{padding:0 16px;font-size:.85rem}.accordion-item.active .accordion-content{padding:12px 16px 16px}.footer-container{flex-direction:column;text-align:center;align-items:center;gap:16px}.footer-links{justify-content:center;flex-wrap:wrap}}