*{
margin:0;
padding:0;
box-sizing:border-box;
font-family:'Poppins',sans-serif;
}

body{

background:#fafafa;
color:#222;
line-height:1.6;

}

nav{

display:flex;
justify-content:space-between;
align-items:center;

padding:20px 10%;

background:white;

position:sticky;
top:0;

box-shadow:0 2px 10px rgba(0,0,0,.05);

}

.logo{

font-size:26px;
font-weight:700;

}

.menu a{

margin-left:25px;

text-decoration:none;

color:#333;

font-weight:500;

}

.hero{

height:90vh;

display:flex;

justify-content:center;

align-items:center;

text-align:center;

padding:40px;

background:linear-gradient(135deg,#5B86E5,#36D1DC);

color:white;

}

.hero h1{

font-size:60px;

margin-bottom:25px;

}

.hero p{

font-size:20px;

max-width:700px;

margin:auto;

margin-bottom:35px;

}

button{

padding:16px 36px;

border:none;

border-radius:50px;

background:white;

color:#2a5bd7;

font-size:18px;

cursor:pointer;

font-weight:600;

transition:.3s;

}

button:hover{

transform:translateY(-4px);

box-shadow:0 10px 25px rgba(0,0,0,.2);

}

.section{

padding:90px 12%;

text-align:center;

}

.section h2{

font-size:40px;

margin-bottom:25px;

}

.section p{

font-size:18px;

max-width:800px;

margin:auto;

}

.dark{

background:#f3f5fa;

}

.cards{

display:flex;

gap:25px;

margin-top:60px;

flex-wrap:wrap;

justify-content:center;

}

.card{

background:white;

padding:35px;

border-radius:20px;

width:300px;

box-shadow:0 15px 30px rgba(0,0,0,.08);

transition:.3s;

}

.card:hover{

transform:translateY(-8px);

}

.card h3{

margin-bottom:15px;

}

footer{

padding:30px;

text-align:center;

background:#111;

color:white;

}

@media(max-width:768px){

.hero h1{

font-size:40px;

}

.hero p{

font-size:18px;

}

nav{

flex-direction:column;

}

.menu{

margin-top:15px;

}

.cards{

flex-direction:column;

align-items:center;

}

}