:root{--primary-color: #7b68ee;--primary-light: #9d91f2;--primary-dark: #5a4ad1;--accent-color: #00bfff;--dark-bg: #0f1221;--card-bg: #1a1f35;--light-text: #f8f9fa;--medium-text: #c9d1d9;--dark-text: #8b949e;--success: #56d364;--warning: #e3b341;--gradient-bg: linear-gradient(135deg, var(--dark-bg), #182039)}*{margin:0;padding:0;box-sizing:border-box;font-family:Inter,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,Cantarell,sans-serif}body{background:var(--gradient-bg);color:var(--light-text);line-height:1.6;overflow-x:hidden}.container{max-width:1200px;margin:0 auto;padding:0 2rem}header{padding:1.5rem 0;position:fixed;width:100%;top:0;z-index:100;transition:background-color .3s ease;background-color:#0f1221e6;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px)}.navbar{display:flex;justify-content:space-between;align-items:center}.logo{font-size:1.8rem;font-weight:700;display:flex;align-items:center}.logo .helium{background:linear-gradient(to right,var(--primary-color),var(--accent-color));-webkit-background-clip:text;background-clip:text;color:transparent}.logo .tenna{color:var(--light-text)}.nav-links{display:flex;gap:2rem}.nav-links a{color:var(--medium-text);text-decoration:none;font-weight:500;padding:.5rem 0;border-bottom:2px solid transparent;transition:all .3s ease}.nav-links a:hover{color:var(--light-text);border-color:var(--primary-color)}.nav-links a.cta{background-color:var(--primary-color);color:#fff;padding:.5rem 1.5rem;border-radius:50px;border:none}.nav-links a.cta:hover{background-color:var(--primary-dark);transform:translateY(-2px);box-shadow:0 10px 20px #5a4ad133}.hero{padding:10rem 0 6rem;position:relative;overflow:hidden}.hero:before{content:"";position:absolute;top:-10%;right:-10%;width:600px;height:600px;background:radial-gradient(circle,#7b68ee26,#0f122100 70%);z-index:-1}.hero:after{content:"";position:absolute;bottom:-10%;left:-10%;width:600px;height:600px;background:radial-gradient(circle,#00bfff1a,#0f122100 70%);z-index:-1}.hero-content{display:flex;flex-direction:column;align-items:center;text-align:center;max-width:800px;margin:0 auto}.hero h1{font-size:3.5rem;font-weight:800;line-height:1.2;margin-bottom:1.5rem;background:linear-gradient(to right,var(--light-text),var(--primary-light));-webkit-background-clip:text;background-clip:text;color:transparent}.hero p{font-size:1.25rem;color:var(--medium-text);margin-bottom:2.5rem}.hero-buttons{display:flex;gap:1.5rem}.btn{display:inline-block;text-decoration:none;font-weight:600;font-size:1rem;padding:.9rem 2rem;border-radius:50px;text-align:center;transition:all .3s ease;cursor:pointer}.btn-primary{background-color:var(--primary-color);color:#fff;box-shadow:0 4px 15px #7b68ee66}.btn-primary:hover{background-color:var(--primary-dark);box-shadow:0 8px 25px #7b68ee80;transform:translateY(-3px)}.btn-secondary{background-color:transparent;color:var(--light-text);border:2px solid var(--primary-color)}.btn-secondary:hover{background-color:#7b68ee1a;transform:translateY(-3px)}.features{padding:6rem 0;position:relative}.section-title{text-align:center;font-size:2.5rem;font-weight:700;margin-bottom:1.5rem;color:var(--light-text)}.section-subtitle{text-align:center;font-size:1.1rem;color:var(--medium-text);max-width:600px;margin:0 auto 4rem}.features-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:2.5rem}.feature-card{background-color:var(--card-bg);border-radius:16px;padding:2.5rem;transition:transform .3s ease,box-shadow .3s ease;position:relative;z-index:1;overflow:hidden}.feature-card:before{content:"";position:absolute;top:0;left:0;right:0;height:4px;background:linear-gradient(to right,var(--primary-color),var(--accent-color));z-index:-1}.feature-card:hover{transform:translateY(-10px);box-shadow:0 20px 40px #0003}.feature-icon{font-size:2.5rem;width:70px;height:70px;display:flex;align-items:center;justify-content:center;margin-bottom:1.5rem;border-radius:14px;background:linear-gradient(135deg,#7b68ee26,#00bfff26)}.feature-card h3{font-size:1.5rem;font-weight:600;margin-bottom:1rem;color:var(--light-text)}.feature-card p{color:var(--medium-text);font-size:1rem}.pricing{padding:6rem 0;background-color:#0f122199;position:relative}.pricing:before{content:"";position:absolute;width:100%;height:100%;top:0;left:0;background-image:radial-gradient(circle at 10% 30%,rgba(123,104,238,.05) 0%,transparent 20%),radial-gradient(circle at 90% 70%,rgba(0,191,255,.05) 0%,transparent 20%);z-index:-1}.pricing-container{display:flex;justify-content:center;gap:2rem;margin-top:4rem;flex-wrap:wrap}.pricing-card{background-color:var(--card-bg);border-radius:16px;padding:3rem;width:350px;position:relative;transition:all .3s ease;display:flex;flex-direction:column}.pricing-card:hover{transform:translateY(-15px);box-shadow:0 30px 60px #00000040}.pricing-card.popular{border:2px solid var(--primary-color)}.popular-badge{position:absolute;top:-12px;right:2rem;background:linear-gradient(to right,var(--primary-color),var(--accent-color));color:#fff;padding:.4rem 1.2rem;border-radius:50px;font-size:.85rem;font-weight:600}.pricing-card h3{font-size:1.7rem;font-weight:700;margin-bottom:1rem;color:var(--light-text)}.pricing-desc{color:var(--medium-text);font-size:.95rem;margin-bottom:2rem}.pricing-amount{font-size:3.5rem;font-weight:700;margin-bottom:.5rem;color:var(--light-text);display:flex;align-items:center}.pricing-amount .currency{font-size:1.5rem;margin-right:.3rem;opacity:.9}.pricing-period{font-size:1rem;color:var(--dark-text);margin-bottom:2rem}.pricing-features{list-style:none;margin-bottom:2.5rem;flex:1}.pricing-features li{margin-bottom:1rem;color:var(--medium-text);display:flex;align-items:center}.pricing-features li:before{content:"✓";color:var(--success);font-weight:700;display:inline-block;width:1.5rem;margin-right:.5rem}.pricing-features li.not-included{color:var(--dark-text);text-decoration:line-through}.pricing-features li.not-included:before{content:"×";color:var(--dark-text)}.pricing-card .btn{margin-top:auto;width:100%}.how-it-works{padding:6rem 0}.steps{display:flex;flex-wrap:wrap;justify-content:center;gap:3rem;margin-top:4rem}.step{display:flex;flex-direction:column;align-items:center;text-align:center;max-width:300px}.step-number{width:60px;height:60px;border-radius:50%;background:linear-gradient(135deg,var(--primary-color),var(--accent-color));color:#fff;font-size:1.5rem;font-weight:700;display:flex;align-items:center;justify-content:center;margin-bottom:1.5rem}.step h3{font-size:1.3rem;font-weight:600;margin-bottom:1rem;color:var(--light-text)}.step p{color:var(--medium-text)}.data-flow-visualization{margin-top:5rem;padding:4rem 2rem;background:linear-gradient(135deg,#0f1221cc,#1a1f3599);border-radius:24px;position:relative;overflow:visible;display:grid;grid-template-columns:1fr 1fr 1fr;gap:2rem;align-items:center}.flow-column{display:flex;flex-direction:column;gap:1.5rem;z-index:10;position:relative}.sensor-node{background:#1a1f35e6;border:2px solid rgba(123,104,238,.3);border-radius:12px;padding:1rem 1.25rem;display:flex;align-items:center;gap:1rem;transition:all .4s ease;animation:fadeInLeft .6s ease-out forwards;opacity:0}@keyframes fadeInLeft{0%{opacity:0;transform:translate(-30px)}to{opacity:1;transform:translate(0)}}.sensor-node:hover{transform:translate(10px);border-color:var(--primary-color);box-shadow:0 4px 20px #7b68ee66}.node-icon{font-size:2rem;filter:drop-shadow(0 2px 8px rgba(123,104,238,.5))}.node-label{font-size:.95rem;font-weight:500;color:var(--light-text)}.hub-column{display:flex;align-items:center;justify-content:center}.central-hub{position:relative;width:200px;height:200px;display:flex;align-items:center;justify-content:center;background:#1a1f35f2;border:3px solid var(--primary-color);border-radius:50%;box-shadow:0 0 40px #7b68ee80}.hub-glow{position:absolute;top:-20px;right:-20px;bottom:-20px;left:-20px;background:radial-gradient(circle,rgba(123,104,238,.3),transparent 70%);border-radius:50%;animation:hubGlow 3s ease-in-out infinite}@keyframes hubGlow{0%,to{opacity:.5;transform:scale(1)}50%{opacity:1;transform:scale(1.1)}}.hub-pulse{position:absolute;top:-10px;right:-10px;bottom:-10px;left:-10px;border:2px solid var(--accent-color);border-radius:50%;opacity:0;animation:hubPulse 2s ease-out infinite}@keyframes hubPulse{0%{transform:scale(.8);opacity:1}to{transform:scale(1.4);opacity:0}}.hub-content{text-align:center;z-index:2}.hub-icon{font-size:3rem;margin-bottom:.5rem;animation:hubIconRotate 4s linear infinite}@keyframes hubIconRotate{0%,to{transform:rotate(0) scale(1)}25%{transform:rotate(-5deg) scale(1.05)}75%{transform:rotate(5deg) scale(1.05)}}.hub-title{font-size:1.2rem;font-weight:700;color:var(--light-text);margin-bottom:.25rem}.hub-subtitle{font-size:.7rem;color:var(--dark-text);text-transform:uppercase;letter-spacing:.5px}.processing-indicator{position:absolute;bottom:20px;left:50%;transform:translate(-50%);display:flex;gap:4px}.process-bar{width:3px;height:12px;background:var(--accent-color);border-radius:2px;animation:processingPulse 1.2s ease-in-out infinite}@keyframes processingPulse{0%,to{height:8px;opacity:.5}50%{height:16px;opacity:1}}.destination-node{opacity:0;animation:fadeInRight .6s ease-out forwards}@keyframes fadeInRight{0%{opacity:0;transform:translate(30px)}to{opacity:1;transform:translate(0)}}.notification-preview{background:#1a1f35f2;border:2px solid rgba(123,104,238,.3);border-radius:12px;padding:1rem;margin-bottom:.75rem;transition:all .4s ease;box-shadow:0 4px 12px #0000004d}.destination-node:hover .notification-preview{transform:translate(-10px);border-color:var(--accent-color);box-shadow:0 8px 24px #00bfff66}.notification-header{display:flex;align-items:center;gap:.5rem;margin-bottom:.75rem;padding-bottom:.5rem;border-bottom:1px solid rgba(255,255,255,.1)}.notif-icon{width:24px;height:24px}.notification-header span{font-size:.85rem;font-weight:600;color:var(--medium-text)}.notification-body{font-size:.8rem;color:var(--medium-text);line-height:1.6;font-family:Courier New,monospace}.destination-node .node-label{text-align:center;font-size:.9rem;color:var(--dark-text)}.flow-connections{position:absolute;top:0;left:0;width:100%;height:100%;pointer-events:none;z-index:1}.data-path{stroke-dasharray:5,5;animation:pathDash 20s linear infinite}@keyframes pathDash{to{stroke-dashoffset:-100}}.data-particle{opacity:.8}@media (max-width: 1200px){.data-flow-visualization{gap:1rem}.central-hub{width:170px;height:170px}.hub-icon{font-size:2.5rem}.hub-subtitle{font-size:.65rem}.processing-indicator{bottom:15px}}@media (max-width: 768px){.data-flow-visualization{grid-template-columns:1fr;grid-template-rows:auto auto auto;gap:3rem;padding:3rem 1.5rem}.flow-column{gap:1rem}.sensor-node,.destination-node{animation:fadeInUp .6s ease-out forwards}@keyframes fadeInUp{0%{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}.sensor-node:hover,.destination-node:hover .notification-preview{transform:translateY(-5px)}.central-hub{width:160px;height:160px}.flow-connections{display:none}.notification-preview{padding:1.25rem}}.cta-section{padding:6rem 0;background:linear-gradient(135deg,#7b68ee1a,#00bfff1a);text-align:center}.cta-content{max-width:700px;margin:0 auto}.cta-section h2{font-size:2.5rem;font-weight:700;margin-bottom:1.5rem;color:var(--light-text)}.cta-section p{font-size:1.2rem;color:var(--medium-text);margin-bottom:2.5rem}footer{background-color:var(--dark-bg);padding:4rem 0 2rem}.footer-content{display:grid;grid-template-columns:2fr 1fr 1fr;gap:4rem;align-items:flex-start}.footer-brand{max-width:400px}.footer-logo{font-size:1.5rem;font-weight:700;margin-bottom:1rem}.footer-links{display:flex;flex-direction:column;gap:1rem}.footer-links a{color:var(--medium-text);text-decoration:none;transition:color .3s}.footer-links a:hover{color:var(--primary-light)}.copyright{color:var(--dark-text);font-size:.9rem;margin-top:1rem}.nav-toggle{display:none;background:none;border:none;color:var(--light-text);font-size:1.5rem;cursor:pointer}.mobile-menu{position:fixed;top:0;right:0;width:100%;height:100vh;background-color:var(--dark-bg);z-index:200;transform:translate(100%);transition:transform .3s ease;display:flex;flex-direction:column;justify-content:center;align-items:center;padding:2rem}.mobile-menu.active{transform:translate(0)}.mobile-menu-close{position:absolute;top:1.5rem;right:1.5rem;background:none;border:none;color:var(--light-text);font-size:1.5rem;cursor:pointer}.mobile-menu .nav-links{display:flex;flex-direction:column;gap:2rem;align-items:center}.mobile-menu .nav-links a{font-size:1.25rem;border:none;padding:.5rem 1.5rem}.mobile-menu .nav-links a.cta{margin-top:1rem;padding:.75rem 2rem}@media (max-width: 992px){.hero h1{font-size:2.5rem}.features-grid{grid-template-columns:repeat(auto-fill,minmax(250px,1fr));gap:1.25rem}.feature-card{padding:1.75rem}}@media (max-width: 768px){.nav-toggle{display:block}.navbar .nav-links{display:none}.hero{padding:7rem 0 3rem}.hero h1{font-size:2.25rem}.hero p{font-size:1rem}.section-title{font-size:2rem}.section-subtitle{font-size:1rem}.pricing-container{flex-direction:column;align-items:center}.pricing-card{width:100%;max-width:100%}.steps{gap:2rem}.cta-section h2{font-size:2rem}.cta-section p{font-size:1rem}}@media (max-width: 576px){.hero h1{font-size:1.85rem}.hero p{font-size:.95rem;margin-bottom:1.75rem}.hero-buttons{flex-direction:column;width:100%}.hero-buttons .btn{width:100%}.btn{padding:.8rem 1.5rem;font-size:.95rem}.section-title{font-size:1.75rem}.feature-card{padding:1.5rem}.feature-icon{width:50px;height:50px;font-size:1.75rem}.feature-card h3{font-size:1.25rem}.pricing-card{padding:1.5rem}.pricing-card h3{font-size:1.5rem}.pricing-amount{font-size:2.5rem}.step-number{width:45px;height:45px;font-size:1.25rem}.step h3{font-size:1.15rem}.cta-section h2{font-size:1.75rem}.cta-section .btn{width:100%}.footer-content{grid-template-columns:1fr;gap:2rem}.footer-brand{max-width:100%}.footer-links{gap:1rem}}