*{margin:0;padding:0;box-sizing:border-box;}
body{font-family:Arial,sans-serif;background:#0d1117;color:#c9d1d9;text-align:center;overflow-x:hidden;}
a{color:#1ED760;text-decoration:none;}
.hero{position:relative;height:60vh;display:flex;align-items:center;justify-content:center;}
.overlay{position:absolute;top:0;left:0;width:100%;height:100%;background:rgba(0,0,0,0.5);}
.hero-content{position:relative;z-index:1;max-width:700px;}
.hero-content h1{font-size:3rem;color:#fff;}
.hero-content p{font-size:1.2rem;margin:1rem 0;color:#c9d1d9;}
.btn-go{padding:0.75rem 1.5rem;background:#1ED760;color:#0d1117;border:none;border-radius:25px;font-weight:bold;}
.features, .video, .reviews, .contact, .disclaimer{padding:3rem 1rem;}
.features h2,.video h2,.reviews h2,.contact h2{font-size:2rem;color:#1ED760;margin-bottom:1rem;}
.features-grid,.reviews-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:1.5rem;justify-items:center;}
.card,.review{background:#161b22;padding:1rem;border-radius:8px;box-shadow:0 2px 6px rgba(0,0,0,0.5);}
.card h3,.review strong{color:#1ED760;}
.video-wrapper{max-width:800px;margin:0 auto;border:4px solid #1ED760;border-radius:8px;overflow:hidden;box-shadow:0 0 15px rgba(30,215,96,0.5);}
.video-wrapper iframe{width:100%;height:600px;border:none;}
.contact p{font-size:1rem;}
.disclaimer p{font-size:0.9rem;color:#8b949e;}
footer{background:#010409;padding:2rem 0;}
footer nav a{margin:0 0.5rem;color:#58a6ff;}