body{

margin:0;
font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto;

background:linear-gradient(135deg,#eef2ff,#f6f7fb);

color:#333;

}

.hero{

text-align:center;
padding:80px 20px;

}

.logo{

width:80px;
margin-bottom:20px;

}

.hero h1{

font-size:46px;
margin-bottom:10px;

}

.subtitle{

color:#666;
font-size:18px;
margin-bottom:30px;

}

.start-btn{

padding:14px 32px;
font-size:16px;
border:none;
border-radius:10px;

background:linear-gradient(90deg,#6366f1,#4f46e5);

color:white;
cursor:pointer;

box-shadow:0 10px 25px rgba(79,70,229,0.3);
text-decoration-line: none;
}

.start-btn:hover{

transform:translateY(-2px);

}

.features{

max-width:1100px;
margin:auto;
padding:60px 20px;

}

.features h2{

text-align:center;
margin-bottom:40px;

}

.cards{

display:grid;

grid-template-columns:repeat(auto-fit,minmax(220px,1fr));

gap:25px;

}

.card{

background:white;

padding:30px;

border-radius:14px;

text-align:center;

box-shadow:0 15px 40px rgba(0,0,0,0.05);

transition:0.3s;

}

.card:hover{

transform:translateY(-6px);

}

.icon{

font-size:38px;

margin-bottom:10px;

}

.demo{

text-align:center;

padding:60px 20px;

}

.demo-img{

max-width:900px;

width:100%;

border-radius:12px;

box-shadow:0 10px 30px rgba(0,0,0,0.1);

}

.cta{

text-align:center;

padding:70px 20px;

}

footer{

text-align:center;

padding:40px;

}

footer a{

margin:0 15px;

text-decoration:none;

color:#4f46e5;

}