@keyframes fadeInUp{0%{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}:root{--primary-color:#2c3e50;--primary-light:#3498db;--primary-dark:#1a252f;--accent-color:#4a69bd;--accent-light:#6a89cc;--accent-dark:#34495e;--background-color:#ecf0f1;--text-color:#2c3e50;--text-light:#7f8c8d;--card-background:#ffffff;--card-shadow:rgba(44, 62, 80, 0.1);--header-background:rgba(44, 62, 80, 0.9);--header-text:#ffffff;--footer-background:#2c3e50;--footer-text:#ecf0f1}*{margin:0;padding:0;box-sizing:border-box}a{color:inherit;text-decoration:none}body,html{overflow-x:hidden;width:100%}body{font-family:"Poppins",sans-serif;background-color:var(--background-color);color:var(--text-color);line-height:1.6}.container{max-width:1200px;margin:0 auto;padding:0 20px}header{padding:20px 0;position:fixed;width:100%;z-index:1000;transition:background-color .3s ease}header,header.scrolled{background-color:var(--header-background)}nav{display:flex;justify-content:space-between;align-items:center}.logo,.nav-links a,header{color:var(--header-text)}.logo{font-size:24px;font-weight:700}.nav-links{display:flex;gap:20px}.nav-links a{text-decoration:none;font-weight:600;transition:color .3s ease}.nav-links a:hover{color:var(--accent-color)}.hero{position:relative;overflow:hidden;height:60vh;display:flex;align-items:center;justify-content:center;border-bottom:1px solid rgba(0,0,0,.1)}#network-graph{position:absolute;top:0;left:0;width:100%;height:100%;z-index:0}.hero-content{position:relative;z-index:1;color:var(--header-text)}.hero h1{font-size:48px;margin-bottom:20px;text-shadow:2px 2px 4px rgba(0,0,0,.5);animation:fadeInUp 1s ease-out}.hero p{font-size:20px;max-width:600px;margin:0 auto 30px;text-shadow:1px 1px 2px rgba(0,0,0,.5);animation:fadeInUp 1s ease-out .2s}.cta-button{display:inline-block;background-color:var(--accent-color);color:var(--header-text);padding:12px 24px;border-radius:30px;text-decoration:none;font-weight:700;transition:transform .3s ease,box-shadow .3s ease,background-color .3s ease;animation:fadeInUp 1s ease-out .4s}.cta-button:hover{transform:translateY(-3px);box-shadow:0 4px 10px var(--card-shadow);background-color:var(--accent-light)}.features{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:30px;margin:60px auto}.feature-card{background-color:var(--card-background);border-radius:15px;padding:30px;text-align:center;box-shadow:0 10px 20px var(--card-shadow);transition:transform .3s ease,box-shadow .3s ease;overflow:hidden}.feature-card:hover{transform:translateY(-10px);box-shadow:0 15px 30px var(--card-shadow)}.feature-icon{font-size:48px;color:var(--accent-color);margin-bottom:20px}.feature-card h3{margin-bottom:15px;color:var(--primary-color)}.feature-card p{color:var(--text-light)}footer{background-color:var(--footer-background);color:var(--footer-text);text-align:center;padding:20px 0}.nav-toggle,.nav-toggle-label{display:none}.text-backdrop{background-color:rgba(35,23,23,.02);padding:5px 10px;border-radius:15px;display:inline-block}.hero-content{text-align:center;color:#fff}@media (max-width:768px){#network-graph{margin-bottom:20px}header{position:static;padding:10px 0}nav{position:relative}.logo{margin-bottom:10px}.nav-toggle{position:absolute;top:10px;right:15px;z-index:2}.nav-toggle-label{display:block;width:30px;height:21px;cursor:pointer}.nav-toggle-label span,.nav-toggle-label span::after,.nav-toggle-label span::before{display:block;position:absolute;height:3px;width:100%;background:var(--header-text);transition:all .3s ease}.nav-toggle-label span::after,.nav-toggle-label span::before{content:""}.nav-toggle-label span::before{bottom:9px}.nav-toggle-label span::after{top:9px}.nav-links,.nav-toggle{display:none}.nav-links{position:absolute;top:100%;left:0;width:100%;background-color:var(--header-background);flex-direction:column;padding:10px 0}.nav-toggle:checked~.nav-links{display:flex}.nav-links a{padding:10px 20px;width:100%;text-align:left}.hero{height:auto;padding:60px 0 40px}.hero-content{padding:0 15px}.hero h1{font-size:28px;margin-bottom:10px}.hero p{font-size:16px;margin-bottom:20px}.cta-button{display:block;width:100%;text-align:center}.features{grid-template-columns:1fr}.feature-card{padding:20px}.container{width:100%;padding:0 15px;box-sizing:border-box}}