*{
box-sizing:border-box;
}


body{

margin:0;
font-family:
Arial,
Helvetica,
sans-serif;

color:#1d2733;

line-height:1.6;

}


.container{

width:90%;
max-width:1100px;

margin:auto;

}


.hero{

background:
linear-gradient(120deg,#111827,#1e3a8a);

color:white;

padding:90px 0;

}


.hero-grid{

display:grid;

grid-template-columns:1fr 420px;

gap:50px;

align-items:center;

}


h1{

font-size:48px;

line-height:1.15;

margin:20px 0;

}


h2{

font-size:30px;

margin-top:0;

}


.lead{

font-size:20px;

}


.badge{

border:1px solid white;

border-radius:20px;

padding:5px 15px;

font-size:13px;

}



.button{

display:inline-block;

background:#1677ff;

color:white;

padding:12px 25px;

border-radius:25px;

margin-top:20px;

}



.card{

padding:30px;

border-radius:12px;

}


.dark-card{

border:1px solid rgba(255,255,255,.4);

}



section{

padding:60px 0;

}


.gray{

background:#f5f7fa;

}



.grid{

display:grid;

grid-template-columns:repeat(4,1fr);

gap:20px;

}



.box{

background:white;

padding:25px;

border-radius:8px;

box-shadow:0 5px 20px rgba(0,0,0,.08);

}



.center{

text-align:center;

}



.dark{

background:#20252b;

color:white;

}



.white{

color:white;

}



.architecture{

max-width:500px;

margin:auto;

text-align:center;

}



.architecture div{

border:1px solid white;

padding:12px;

margin:15px;

border-radius:8px;

}



.terminal{

background:#000;

color:white;

max-width:600px;

margin:auto;

padding:25px;

border-radius:10px;

font-family:monospace;

}



.terminal span{

color:#00ffff;

}



footer{

background:#111827;

color:white;

text-align:center;

padding:30px;

}



@media(max-width:900px){

.hero-grid{

grid-template-columns:1fr;

}


.grid{

grid-template-columns:1fr 1fr;

}


h1{

font-size:36px;

}


}


@media(max-width:600px){

.grid{

grid-template-columns:1fr;

}

}