*{margin:0;padding:0;box-sizing:border-box}
:root{--primary:#667eea;--primary-dark:#5a67d8;--secondary:#764ba2;--accent:#f093fb;--text:#333;--text-light:#666;--bg:#fff;--bg-light:#f8f9fa;--border:#e0e0e0;--shadow:0 2px 10px rgba(0,0,0,0.1);--radius:12px;--transition:all 0.3s ease}
body{font-family:-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,'Helvetica Neue',Arial,sans-serif;color:var(--text);line-height:1.6;overflow-x:hidden}
.container{max-width:1200px;margin:0 auto;padding:0 20px}
a{text-decoration:none;color:inherit;transition:var(--transition)}
ul{list-style:none}
img{max-width:100%;height:auto;display:block}

.navbar{position:fixed;top:0;left:0;right:0;z-index:1000;background:rgba(255,255,255,0.95);backdrop-filter:blur(10px);box-shadow:0 2px 20px rgba(0,0,0,0.08);transition:var(--transition)}
.navbar.scrolled{background:rgba(255,255,255,0.98);box-shadow:0 4px 30px rgba(0,0,0,0.12)}
.nav-container{max-width:1200px;margin:0 auto;padding:0 20px;display:flex;align-items:center;justify-content:space-between;height:70px}
.nav-logo{display:flex;align-items:center;gap:10px;font-size:1.3rem;font-weight:700;color:var(--primary)}
.logo-icon{font-size:1.5rem}
.nav-menu{display:flex;align-items:center;gap:30px}
.nav-menu>li>a{font-size:0.95rem;font-weight:500;color:var(--text);padding:8px 0;position:relative}
.nav-menu>li>a:hover{color:var(--primary)}
.nav-dropdown{position:relative}
.nav-dropdown>a{display:flex;align-items:center;gap:5px}
.arrow{font-size:0.7rem;transition:transform 0.3s}
.nav-dropdown:hover .arrow{transform:rotate(180deg)}
.dropdown-menu{position:absolute;top:100%;left:0;background:#fff;border-radius:var(--radius);box-shadow:var(--shadow);padding:10px 0;min-width:180px;opacity:0;visibility:hidden;transform:translateY(10px);transition:var(--transition)}
.nav-dropdown:hover .dropdown-menu{opacity:1;visibility:visible;transform:translateY(0)}
.dropdown-menu li a{display:block;padding:10px 20px;font-size:0.9rem;color:var(--text)}
.dropdown-menu li a:hover{background:var(--bg-light);color:var(--primary)}
.nav-cta{background:linear-gradient(135deg,var(--primary),var(--secondary));color:#fff;padding:10px 24px;border-radius:25px;font-weight:600;font-size:0.9rem;transition:var(--transition)}
.nav-cta:hover{transform:translateY(-2px);box-shadow:0 5px 20px rgba(102,126,234,0.4)}
.nav-toggle{display:none;flex-direction:column;gap:5px;cursor:pointer;padding:10px}
.nav-toggle span{width:25px;height:3px;background:var(--text);border-radius:2px;transition:var(--transition)}

.hero{padding:120px 0 80px;background:linear-gradient(135deg,#667eea 0%,#764ba2 100%);min-height:100vh;display:flex;align-items:center}
.hero-container{max-width:1200px;margin:0 auto;padding:0 20px;display:grid;grid-template-columns:1fr 1fr;gap:60px;align-items:center}
.hero-content{color:#fff}
.hero-badge{display:inline-block;background:rgba(255,255,255,0.2);padding:8px 16px;border-radius:20px;font-size:0.85rem;margin-bottom:20px;backdrop-filter:blur(10px)}
.hero h1{font-size:3rem;font-weight:800;margin-bottom:15px;line-height:1.2}
.hero-subtitle{font-size:1.5rem;margin-bottom:15px;opacity:0.95}
.hero-desc{font-size:1rem;opacity:0.9;margin-bottom:30px;line-height:1.8}
.hero-buttons{display:flex;gap:15px;margin-bottom:40px}
.btn-primary{background:#fff;color:var(--primary);padding:14px 32px;border-radius:30px;font-weight:700;font-size:1rem;display:inline-flex;align-items:center;gap:8px;transition:var(--transition)}
.btn-primary:hover{transform:translateY(-3px);box-shadow:0 10px 30px rgba(0,0,0,0.2)}
.btn-secondary{background:transparent;color:#fff;padding:14px 32px;border-radius:30px;font-weight:600;font-size:1rem;border:2px solid rgba(255,255,255,0.5);transition:var(--transition)}
.btn-secondary:hover{background:rgba(255,255,255,0.1);border-color:#fff}
.btn-icon{font-size:1.1rem}
.hero-stats{display:flex;gap:40px}
.stat-item{text-align:center}
.stat-number{display:block;font-size:2rem;font-weight:800}
.stat-label{font-size:0.85rem;opacity:0.8}

.hero-demo{position:relative}
.demo-window{background:#1a1a2e;border-radius:16px;overflow:hidden;box-shadow:0 20px 60px rgba(0,0,0,0.3)}
.demo-header{background:#16213e;padding:12px 16px;display:flex;align-items:center;gap:8px}
.demo-dot{width:12px;height:12px;border-radius:50%}
.demo-dot.red{background:#ff5f56}
.demo-dot.yellow{background:#ffbd2e}
.demo-dot.green{background:#27c93f}
.demo-title{margin-left:auto;color:#fff;font-size:0.85rem;opacity:0.7}
.demo-body{padding:30px}
.demo-status{text-align:center;margin-bottom:20px}
.status-indicator{display:inline-flex;align-items:center;gap:8px;background:rgba(255,255,255,0.1);padding:8px 16px;border-radius:20px}
.status-dot{width:10px;height:10px;border-radius:50%;background:#ff5f56;transition:var(--transition)}
.status-dot.connected{background:#27c93f;animation:pulse 1.5s infinite}
.status-text{color:#fff;font-size:0.9rem}
@keyframes pulse{0%,100%{opacity:1}50%{opacity:0.5}}
.demo-gauge{text-align:center;margin:20px 0}
.gauge-svg{width:200px;height:120px}
.gauge-value{fill:#fff;font-size:2rem;font-weight:700}
.gauge-unit{fill:rgba(255,255,255,0.6);font-size:0.9rem}
.demo-info{display:grid;grid-template-columns:1fr 1fr;gap:15px;margin:20px 0}
.info-row{background:rgba(255,255,255,0.05);padding:12px;border-radius:8px;text-align:center}
.info-label{display:block;color:rgba(255,255,255,0.6);font-size:0.8rem;margin-bottom:5px}
.info-value{color:#fff;font-weight:600;font-size:1rem}
.demo-controls{display:flex;gap:10px;margin:20px 0}
.node-select{flex:1;background:rgba(255,255,255,0.1);border:1px solid rgba(255,255,255,0.2);color:#fff;padding:12px;border-radius:8px;font-size:0.9rem}
.node-select option{background:#1a1a2e}
.connect-btn{background:linear-gradient(135deg,var(--primary),var(--secondary));color:#fff;border:none;padding:12px 24px;border-radius:8px;font-weight:600;cursor:pointer;display:flex;align-items:center;gap:8px;transition:var(--transition)}
.connect-btn:hover{transform:scale(1.05)}
.connect-btn.connected{background:linear-gradient(135deg,#27c93f,#20a832)}
.connect-icon{font-size:1.2rem}
.demo-features{display:flex;gap:20px;justify-content:center;margin-top:20px}
.feature-toggle{display:flex;align-items:center;gap:8px;cursor:pointer}
.feature-toggle input{display:none}
.toggle-slider{width:36px;height:20px;background:rgba(255,255,255,0.2);border-radius:10px;position:relative;transition:var(--transition)}
.toggle-slider::after{content:'';position:absolute;width:16px;height:16px;background:#fff;border-radius:50%;top:2px;left:2px;transition:var(--transition)}
.feature-toggle input:checked+.toggle-slider{background:var(--primary)}
.feature-toggle input:checked+.toggle-slider::after{left:18px}
.toggle-label{color:rgba(255,255,255,0.8);font-size:0.85rem}

section{padding:80px 0}
.section-header{text-align:center;margin-bottom:50px}
.section-header h2{font-size:2.2rem;font-weight:700;margin-bottom:15px;color:var(--text)}
.section-header p{font-size:1.1rem;color:var(--text-light);max-width:600px;margin:0 auto}

.features{background:var(--bg-light)}
.features-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:25px}
.feature-card{background:#fff;padding:30px;border-radius:var(--radius);text-align:center;transition:var(--transition);border:1px solid var(--border)}
.feature-card:hover{transform:translateY(-5px);box-shadow:0 10px 30px rgba(0,0,0,0.1);border-color:var(--primary)}
.feature-icon{font-size:2.5rem;margin-bottom:15px}
.feature-card h3{font-size:1.1rem;margin-bottom:10px;color:var(--text)}
.feature-card p{font-size:0.9rem;color:var(--text-light);line-height:1.6}

.scenarios-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:30px}
.scenario-card{background:#fff;border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow);transition:var(--transition)}
.scenario-card:hover{transform:translateY(-5px);box-shadow:0 15px 40px rgba(0,0,0,0.15)}
.scenario-img{height:180px;overflow:hidden}
.scenario-img img{width:100%;height:100%;object-fit:cover;transition:var(--transition)}
.scenario-card:hover .scenario-img img{transform:scale(1.1)}
.scenario-content{padding:25px}
.scenario-content h3{font-size:1.2rem;margin-bottom:10px;color:var(--text)}
.scenario-content p{font-size:0.9rem;color:var(--text-light);margin-bottom:15px;line-height:1.6}
.scenario-tags{display:flex;flex-wrap:wrap;gap:8px}
.scenario-tags li{background:var(--bg-light);padding:5px 12px;border-radius:15px;font-size:0.8rem;color:var(--text-light)}

.tech{background:linear-gradient(135deg,#1a1a2e 0%,#16213e 100%);color:#fff}
.tech .section-header h2{color:#fff}
.tech .section-header p{color:rgba(255,255,255,0.7)}
.tech-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:30px;margin-bottom:50px}
.tech-card{background:rgba(255,255,255,0.05);padding:30px;border-radius:var(--radius);border:1px solid rgba(255,255,255,0.1);transition:var(--transition)}
.tech-card:hover{background:rgba(255,255,255,0.1);transform:translateY(-5px)}
.tech-number{font-size:3rem;font-weight:800;color:var(--primary);opacity:0.5;margin-bottom:15px}
.tech-card h3{font-size:1.2rem;margin-bottom:15px}
.tech-card p{font-size:0.9rem;color:rgba(255,255,255,0.7);line-height:1.8}
.tech-stats{display:grid;grid-template-columns:repeat(4,1fr);gap:30px;text-align:center}
.tech-stat{padding:20px}
.stat-value{display:block;font-size:2.5rem;font-weight:800;background:linear-gradient(135deg,var(--primary),var(--accent));-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}
.stat-label{font-size:0.9rem;color:rgba(255,255,255,0.7);margin-top:5px}

.steps{background:var(--bg-light)}
.steps-grid{display:flex;align-items:center;justify-content:center;gap:30px}
.step-card{background:#fff;padding:40px 30px;border-radius:var(--radius);text-align:center;flex:1;max-width:280px;position:relative;transition:var(--transition);border:1px solid var(--border)}
.step-card:hover{transform:translateY(-5px);box-shadow:0 10px 30px rgba(0,0,0,0.1);border-color:var(--primary)}
.step-number{position:absolute;top:-15px;left:50%;transform:translateX(-50%);width:30px;height:30px;background:linear-gradient(135deg,var(--primary),var(--secondary));color:#fff;border-radius:50%;display:flex;align-items:center;justify-content:center;font-weight:700;font-size:0.9rem}
.step-icon{font-size:3rem;margin:15px 0}
.step-card h3{font-size:1.2rem;margin-bottom:10px}
.step-card p{font-size:0.9rem;color:var(--text-light);line-height:1.6}
.step-connector{width:40px;height:2px;background:linear-gradient(90deg,var(--primary),var(--secondary))}

.pricing-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:30px;align-items:center}
.pricing-card{background:#fff;padding:40px 30px;border-radius:var(--radius);text-align:center;border:1px solid var(--border);transition:var(--transition);position:relative}
.pricing-card:hover{transform:translateY(-5px);box-shadow:0 15px 40px rgba(0,0,0,0.1)}
.pricing-card.popular{border:2px solid var(--primary);transform:scale(1.05)}
.pricing-card.popular:hover{transform:scale(1.05) translateY(-5px)}
.popular-badge{position:absolute;top:-12px;left:50%;transform:translateX(-50%);background:linear-gradient(135deg,var(--primary),var(--secondary));color:#fff;padding:5px 20px;border-radius:15px;font-size:0.8rem;font-weight:600}
.pricing-header h3{font-size:1.3rem;margin-bottom:5px}
.pricing-desc{color:var(--text-light);font-size:0.9rem;margin-bottom:20px}
.pricing-price{margin:20px 0}
.price-currency{font-size:1.2rem;color:var(--text-light);vertical-align:top}
.price-amount{font-size:3rem;font-weight:800;color:var(--primary)}
.price-period{font-size:1rem;color:var(--text-light)}
.pricing-features{text-align:left;margin:25px 0}
.pricing-features li{padding:10px 0;border-bottom:1px solid var(--border);display:flex;align-items:center;gap:10px;font-size:0.9rem}
.pricing-features li:last-child{border-bottom:none}
.check{color:#27c93f;font-weight:700}
.cross{color:#ccc}
.pricing-btn{display:block;background:linear-gradient(135deg,var(--primary),var(--secondary));color:#fff;padding:14px;border-radius:25px;font-weight:600;transition:var(--transition)}
.pricing-btn:hover{transform:translateY(-2px);box-shadow:0 5px 20px rgba(102,126,234,0.4)}

.testimonials{background:var(--bg-light)}
.testimonials-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:25px}
.testimonial-card{background:#fff;padding:25px;border-radius:var(--radius);border:1px solid var(--border);transition:var(--transition)}
.testimonial-card:hover{transform:translateY(-5px);box-shadow:0 10px 30px rgba(0,0,0,0.1)}
.testimonial-header{display:flex;align-items:center;gap:12px;margin-bottom:15px}
.testimonial-avatar{width:45px;height:45px;background:linear-gradient(135deg,var(--primary),var(--secondary));color:#fff;border-radius:50%;display:flex;align-items:center;justify-content:center;font-weight:700;font-size:1.1rem}
.testimonial-info h4{font-size:1rem;margin-bottom:2px}
.testimonial-role{font-size:0.8rem;color:var(--text-light)}
.testimonial-rating{margin-bottom:15px}
.star{color:#ffc107;font-size:1.1rem}
.testimonial-content{font-size:0.9rem;color:var(--text-light);line-height:1.7;font-style:italic}

.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:25px}
.news-card{background:#fff;border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow);transition:var(--transition)}
.news-card:hover{transform:translateY(-5px);box-shadow:0 15px 40px rgba(0,0,0,0.15)}
.news-img{height:180px;overflow:hidden}
.news-img img{width:100%;height:100%;object-fit:cover;transition:var(--transition)}
.news-card:hover .news-img img{transform:scale(1.1)}
.news-content{padding:20px}
.news-tag{display:inline-block;background:linear-gradient(135deg,var(--primary),var(--secondary));color:#fff;padding:4px 12px;border-radius:12px;font-size:0.75rem;margin-bottom:10px}
.news-content h3{font-size:1rem;margin-bottom:10px;line-height:1.4;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-content p{font-size:0.85rem;color:var(--text-light);line-height:1.6;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;margin-bottom:10px}
.news-date{font-size:0.8rem;color:var(--text-light)}
.news-more{text-align:center;margin-top:30px}
.btn-outline{display:inline-block;border:2px solid var(--primary);color:var(--primary);padding:12px 30px;border-radius:25px;font-weight:600;transition:var(--transition)}
.btn-outline:hover{background:var(--primary);color:#fff}

.faq-grid{max-width:800px;margin:0 auto}
.faq-item{background:#fff;border-radius:var(--radius);margin-bottom:15px;border:1px solid var(--border);overflow:hidden;transition:var(--transition)}
.faq-item:hover{border-color:var(--primary)}
.faq-item h3{padding:20px 25px;font-size:1rem;cursor:pointer;display:flex;justify-content:space-between;align-items:center;transition:var(--transition)}
.faq-item h3::after{content:'+';font-size:1.5rem;color:var(--primary);transition:var(--transition)}
.faq-item.active h3::after{transform:rotate(45deg)}
.faq-answer{max-height:0;overflow:hidden;transition:max-height 0.3s ease}
.faq-item.active .faq-answer{max-height:300px}
.faq-answer p{padding:0 25px 20px;font-size:0.9rem;color:var(--text-light);line-height:1.7}

.cta{background:linear-gradient(135deg,var(--primary) 0%,var(--secondary) 100%);text-align:center;color:#fff}
.cta-content h2{font-size:2rem;margin-bottom:15px}
.cta-content p{font-size:1.1rem;opacity:0.9;margin-bottom:30px}
.cta-buttons{display:flex;gap:15px;justify-content:center}

.footer{background:#1a1a2e;color:#fff;padding:60px 0 30px}
.footer-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:40px;margin-bottom:40px}
.footer-col h4{font-size:1rem;margin-bottom:20px;color:#fff}
.footer-col ul li{margin-bottom:10px}
.footer-col ul li a{color:rgba(255,255,255,0.7);font-size:0.9rem;transition:var(--transition)}
.footer-col ul li a:hover{color:var(--primary)}
.footer-bottom{text-align:center;padding-top:30px;border-top:1px solid rgba(255,255,255,0.1);color:rgba(255,255,255,0.5);font-size:0.85rem}

@media(max-width:992px){
.nav-menu{position:fixed;top:70px;left:0;right:0;background:#fff;flex-direction:column;padding:20px;gap:0;transform:translateY(-100%);opacity:0;visibility:hidden;transition:var(--transition);box-shadow:0 10px 30px rgba(0,0,0,0.1)}
.nav-menu.active{transform:translateY(0);opacity:1;visibility:visible}
.nav-menu>li{width:100%;border-bottom:1px solid var(--border)}
.nav-menu>li:last-child{border-bottom:none}
.nav-menu>li>a{display:block;padding:15px 0}
.nav-dropdown .dropdown-menu{position:static;opacity:1;visibility:visible;transform:none;box-shadow:none;display:none;padding:0 0 10px 20px}
.nav-dropdown.active .dropdown-menu{display:block}
.nav-toggle{display:flex}
.nav-cta{display:none}
.hero-container{grid-template-columns:1fr;text-align:center}
.hero h1{font-size:2.2rem}
.hero-stats{justify-content:center}
.hero-demo{margin-top:40px}
.features-grid{grid-template-columns:repeat(2,1fr)}
.scenarios-grid{grid-template-columns:repeat(2,1fr)}
.tech-grid{grid-template-columns:1fr}
.tech-stats{grid-template-columns:repeat(2,1fr)}
.steps-grid{flex-direction:column}
.step-connector{width:2px;height:30px;transform:rotate(90deg)}
.pricing-grid{grid-template-columns:1fr}
.pricing-card.popular{transform:none}
.testimonials-grid{grid-template-columns:1fr}
.news-grid{grid-template-columns:repeat(2,1fr)}
.footer-grid{grid-template-columns:repeat(2,1fr)}
}
@media(max-width:768px){
.hero{padding:100px 0 60px}
.hero h1{font-size:1.8rem}
.hero-subtitle{font-size:1.2rem}
.hero-stats{flex-wrap:wrap;gap:20px}
.features-grid{grid-template-columns:1fr}
.scenarios-grid{grid-template-columns:1fr}
.tech-stats{grid-template-columns:1fr}
.news-grid{grid-template-columns:1fr}
.footer-grid{grid-template-columns:1fr}
.cta-buttons{flex-direction:column;align-items:center}
}
@media(max-width:480px){
.hero h1{font-size:1.5rem}
.hero-buttons{flex-direction:column}
.btn-primary,.btn-secondary{width:100%;text-align:center;justify-content:center}
.section-header h2{font-size:1.6rem}
.demo-window{margin:0 -10px}
}