*{margin:0;padding:0;box-sizing:border-box}
:root{--primary:#6366f1;--primary-dark:#4f46e5;--secondary:#8b5cf6;--accent:#ec4899;--dark:#1e293b;--light:#f8fafc;--gray:#64748b;--success:#10b981;--warning:#f59e0b;--gradient:linear-gradient(135deg,#6366f1 0%,#8b5cf6 50%,#ec4899 100%)}
html{scroll-behavior:smooth}
body{font-family:-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,'Helvetica Neue',Arial,sans-serif;line-height:1.6;color:var(--dark);background:var(--light);overflow-x:hidden}
a{text-decoration:none;color:inherit;transition:color .3s}
ul{list-style:none}
img{max-width:100%;height:auto;display:block}
.container{max-width:1200px;margin:0 auto;padding:0 20px}
.btn{display:inline-flex;align-items:center;justify-content:center;padding:12px 28px;border-radius:8px;font-weight:600;font-size:16px;cursor:pointer;transition:all .3s;border:none;text-align:center}
.btn-primary{background:var(--gradient);color:#fff;box-shadow:0 4px 15px rgba(99,102,241,.3)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 8px 25px rgba(99,102,241,.4)}
.btn-outline{background:transparent;color:var(--primary);border:2px solid var(--primary)}
.btn-outline:hover{background:var(--primary);color:#fff}
.section{padding:80px 0}
.section-title{text-align:center;margin-bottom:50px}
.section-title h2{font-size:36px;margin-bottom:15px;background:var(--gradient);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}
.section-title p{color:var(--gray);font-size:18px}
header{position:fixed;top:0;left:0;right:0;z-index:1000;background:rgba(255,255,255,.95);backdrop-filter:blur(10px);transition:all .3s;box-shadow:0 2px 20px rgba(0,0,0,.05)}
header.scrolled{background:rgba(255,255,255,.98);box-shadow:0 4px 30px rgba(0,0,0,.1)}
.nav-container{display:flex;align-items:center;justify-content:space-between;padding:15px 20px;max-width:1200px;margin:0 auto}
.logo{display:flex;align-items:center;gap:10px;font-size:22px;font-weight:700}
.logo img{width:36px;height:36px}
.logo span{background:var(--gradient);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}
.nav-menu{display:flex;align-items:center;gap:30px}
.nav-item{position:relative}
.nav-item>a{padding:8px 0;font-weight:500;display:flex;align-items:center;gap:5px}
.nav-item>a:hover{color:var(--primary)}
.arrow{transition:transform .3s;font-size:12px}
.nav-item:hover .arrow{transform:rotate(180deg)}
.dropdown{position:absolute;top:100%;left:50%;transform:translateX(-50%) translateY(10px);background:#fff;border-radius:12px;box-shadow:0 10px 40px rgba(0,0,0,.1);padding:10px;min-width:180px;opacity:0;visibility:hidden;transition:all .3s}
.nav-item:hover .dropdown{opacity:1;visibility:visible;transform:translateX(-50%) translateY(0)}
.dropdown a{display:block;padding:10px 15px;border-radius:8px;font-size:14px;white-space:nowrap}
.dropdown a:hover{background:var(--light);color:var(--primary)}
.nav-btn{margin-left:20px}
.hamburger{display:none;flex-direction:column;gap:5px;cursor:pointer;padding:10px}
.hamburger span{width:25px;height:3px;background:var(--dark);border-radius:3px;transition:all .3s}
.hero{padding:140px 0 80px;background:linear-gradient(135deg,#f0f4ff 0%,#fdf2f8 100%);position:relative;overflow:hidden}
.hero::before{content:'';position:absolute;top:-50%;right:-20%;width:600px;height:600px;background:radial-gradient(circle,rgba(99,102,241,.1) 0%,transparent 70%);border-radius:50%}
.hero-content{display:grid;grid-template-columns:1fr 1fr;gap:60px;align-items:center}
.hero-text h1{font-size:48px;line-height:1.2;margin-bottom:20px}
.hero-text h1 span{background:var(--gradient);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}
.hero-text p{font-size:18px;color:var(--gray);margin-bottom:30px}
.hero-buttons{display:flex;gap:15px;margin-bottom:40px;flex-wrap:wrap}
.hero-stats{display:flex;gap:40px}
.stat-item{text-align:center}
.stat-item .number{font-size:32px;font-weight:700;background:var(--gradient);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}
.stat-item .label{font-size:14px;color:var(--gray)}
.hero-demo{position:relative}
.demo-window{background:#fff;border-radius:16px;box-shadow:0 20px 60px rgba(0,0,0,.1);overflow:hidden}
.demo-header{display:flex;align-items:center;gap:8px;padding:12px 16px;background:var(--dark);border-bottom:1px solid rgba(255,255,255,.1)}
.demo-dot{width:12px;height:12px;border-radius:50%}
.demo-dot:nth-child(1){background:#ff5f57}
.demo-dot:nth-child(2){background:#ffbd2e}
.demo-dot:nth-child(3){background:#28c840}
.demo-body{padding:20px;min-height:300px}
.demo-interface{display:flex;flex-direction:column;gap:15px}
.demo-status{display:flex;align-items:center;justify-content:space-between;padding:15px;background:var(--light);border-radius:12px}
.status-indicator{display:flex;align-items:center;gap:10px}
.status-dot{width:12px;height:12px;border-radius:50%;background:var(--success);animation:pulse 2s infinite}
@keyframes pulse{0%,100%{opacity:1}50%{opacity:.5}}
.demo-connect-btn{padding:10px 24px;border-radius:8px;background:var(--gradient);color:#fff;border:none;cursor:pointer;font-weight:600;transition:all .3s}
.demo-connect-btn:hover{transform:scale(1.05)}
.demo-connect-btn.connected{background:var(--success)}
.demo-nodes{display:grid;grid-template-columns:repeat(2,1fr);gap:10px}
.node-item{padding:12px;background:var(--light);border-radius:8px;cursor:pointer;transition:all .3s;border:2px solid transparent}
.node-item:hover,.node-item.active{border-color:var(--primary);background:#fff}
.node-item .node-name{font-weight:600;font-size:14px}
.node-item .node-info{font-size:12px;color:var(--gray)}
.demo-speed{padding:15px;background:var(--light);border-radius:12px;text-align:center}
.speed-value{font-size:36px;font-weight:700;background:var(--gradient);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}
.speed-label{font-size:14px;color:var(--gray)}
.features{background:#fff}
.features-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:25px}
.feature-card{padding:30px;border-radius:16px;background:var(--light);transition:all .3s;border:1px solid transparent}
.feature-card:hover{transform:translateY(-5px);box-shadow:0 10px 40px rgba(99,102,241,.1);border-color:var(--primary)}
.feature-icon{width:60px;height:60px;border-radius:12px;background:var(--gradient);display:flex;align-items:center;justify-content:center;margin-bottom:20px;font-size:28px}
.feature-card h3{font-size:18px;margin-bottom:10px}
.feature-card p{color:var(--gray);font-size:14px}
.scenarios{background:linear-gradient(135deg,#f0f4ff 0%,#fdf2f8 100%)}
.scenarios-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:25px}
.scenario-card{background:#fff;border-radius:16px;overflow:hidden;transition:all .3s;box-shadow:0 4px 20px rgba(0,0,0,.05)}
.scenario-card:hover{transform:translateY(-5px);box-shadow:0 10px 40px rgba(0,0,0,.1)}
.scenario-img{height:180px;background:var(--gradient);display:flex;align-items:center;justify-content:center;font-size:48px}
.scenario-content{padding:25px}
.scenario-content h3{font-size:18px;margin-bottom:10px}
.scenario-content p{color:var(--gray);font-size:14px}
.pricing{background:#fff}
.pricing-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:30px;align-items:center}
.pricing-card{padding:40px;border-radius:20px;background:var(--light);text-align:center;transition:all .3s;border:2px solid transparent}
.pricing-card:hover{transform:translateY(-5px)}
.pricing-card.popular{background:#fff;border-color:var(--primary);box-shadow:0 20px 60px rgba(99,102,241,.15);transform:scale(1.05)}
.pricing-card.popular:hover{transform:scale(1.05) translateY(-5px)}
.popular-badge{display:inline-block;padding:5px 15px;background:var(--gradient);color:#fff;border-radius:20px;font-size:12px;font-weight:600;margin-bottom:15px}
.pricing-card h3{font-size:22px;margin-bottom:10px}
.pricing-price{font-size:48px;font-weight:700;margin:20px 0}
.pricing-price span{font-size:16px;color:var(--gray);font-weight:400}
.pricing-features{margin:25px 0;text-align:left}
.pricing-features li{padding:10px 0;border-bottom:1px solid rgba(0,0,0,.05);display:flex;align-items:center;gap:10px}
.pricing-features li::before{content:'✓';color:var(--success);font-weight:700}
.faq{background:linear-gradient(135deg,#f0f4ff 0%,#fdf2f8 100%)}
.faq-grid{max-width:800px;margin:0 auto}
.faq-item{background:#fff;border-radius:12px;margin-bottom:15px;overflow:hidden;box-shadow:0 2px 10px rgba(0,0,0,.05)}
.faq-question{padding:20px 25px;cursor:pointer;display:flex;justify-content:space-between;align-items:center;font-weight:600}
.faq-question:hover{color:var(--primary)}
.faq-toggle{transition:transform .3s}
.faq-item.active .faq-toggle{transform:rotate(180deg)}
.faq-answer{padding:0 25px;max-height:0;overflow:hidden;transition:all .3s}
.faq-item.active .faq-answer{padding:0 25px 20px;max-height:500px}
.faq-answer p{color:var(--gray);line-height:1.8}
.testimonials{background:#fff}
.testimonials-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:25px}
.testimonial-card{padding:30px;border-radius:16px;background:var(--light);position:relative}
.testimonial-card::before{content:'"';position:absolute;top:10px;left:20px;font-size:60px;color:var(--primary);opacity:.2;font-family:serif}
.testimonial-text{margin-bottom:20px;font-style:italic;color:var(--gray)}
.testimonial-author{display:flex;align-items:center;gap:15px}
.author-avatar{width:50px;height:50px;border-radius:50%;background:var(--gradient);display:flex;align-items:center;justify-content:center;color:#fff;font-weight:700}
.author-info h4{font-size:16px}
.author-info p{font-size:13px;color:var(--gray)}
.news{background:linear-gradient(135deg,#f0f4ff 0%,#fdf2f8 100%)}
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:25px}
.news-card{background:#fff;border-radius:16px;overflow:hidden;transition:all .3s;box-shadow:0 4px 20px rgba(0,0,0,.05)}
.news-card:hover{transform:translateY(-5px);box-shadow:0 10px 40px rgba(0,0,0,.1)}
.news-img{height:180px;background:var(--gradient);display:flex;align-items:center;justify-content:center;font-size:36px;color:#fff}
.news-content{padding:25px}
.news-date{font-size:13px;color:var(--gray);margin-bottom:10px}
.news-content h3{font-size:18px;margin-bottom:10px;line-height:1.4}
.news-content h3:hover{color:var(--primary)}
.news-excerpt{color:var(--gray);font-size:14px;margin-bottom:15px}
.news-link{color:var(--primary);font-weight:600;font-size:14px}
.cta{background:var(--gradient);padding:80px 0;text-align:center;color:#fff}
.cta h2{font-size:36px;margin-bottom:20px}
.cta p{font-size:18px;margin-bottom:30px;opacity:.9}
.cta .btn{background:#fff;color:var(--primary)}
.cta .btn:hover{background:var(--dark);color:#fff}
footer{background:var(--dark);color:#fff;padding:60px 0 30px}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:40px;margin-bottom:40px}
.footer-brand p{color:rgba(255,255,255,.6);margin:15px 0}
.footer-col h4{margin-bottom:20px;font-size:16px}
.footer-col a{display:block;padding:5px 0;color:rgba(255,255,255,.6);font-size:14px}
.footer-col a:hover{color:#fff}
.footer-bottom{padding-top:30px;border-top:1px solid rgba(255,255,255,.1);text-align:center;color:rgba(255,255,255,.6);font-size:14px}
.breadcrumb{padding:15px 0;background:var(--light);margin-top:70px}
.breadcrumb-list{display:flex;align-items:center;gap:10px;font-size:14px;color:var(--gray)}
.breadcrumb-list a:hover{color:var(--primary)}
.breadcrumb-sep{color:var(--gray)}
@media(max-width:992px){.hero-content{grid-template-columns:1fr;gap:40px}.hero-text h1{font-size:36px}.features-grid{grid-template-columns:repeat(2,1fr)}.scenarios-grid{grid-template-columns:repeat(2,1fr)}.pricing-grid{grid-template-columns:1fr;max-width:400px;margin:0 auto}.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)}.nav-menu{position:fixed;top:70px;left:0;right:0;background:#fff;flex-direction:column;padding:20px;transform:translateY(-100%);opacity:0;visibility:hidden;transition:all .3s;box-shadow:0 10px 40px rgba(0,0,0,.1)}.nav-menu.active{transform:translateY(0);opacity:1;visibility:visible}.hamburger{display:flex}.dropdown{position:static;transform:none;box-shadow:none;opacity:1;visibility:visible;display:none;padding-left:20px}.nav-item.active .dropdown{display:block}}
@media(max-width:768px){.section{padding:60px 0}.section-title h2{font-size:28px}.hero{padding:100px 0 60px}.hero-text h1{font-size:28px}.hero-stats{flex-wrap:wrap;gap:20px}.features-grid{grid-template-columns:1fr}.scenarios-grid{grid-template-columns:1fr}.news-grid{grid-template-columns:1fr}.footer-grid{grid-template-columns:1fr}.demo-nodes{grid-template-columns:1fr}}
@media(max-width:480px){.hero-text h1{font-size:24px}.hero-buttons{flex-direction:column}.btn{width:100%}.stat-item .number{font-size:24px}}