*{
margin:0;
padding:0;
box-sizing:border-box;
}

body{

font-family:Inter,sans-serif;
background:#fafafa;
color:#1f2937;
line-height:1.7;

}

.container{

width:min(1150px,90%);
margin:auto;

}

header{

background:white;
border-bottom:1px solid #ececec;
position:sticky;
top:0;

}

.navbar{

height:80px;
display:flex;
justify-content:space-between;
align-items:center;

}

.logo{

font-size:20px;
font-weight:800;
letter-spacing:2px;

}

nav{

display:flex;
gap:35px;

}

nav a{

text-decoration:none;
color:#555;
font-weight:500;

}

.btn{

background:#111827;
color:white;
padding:14px 24px;
border-radius:10px;
text-decoration:none;
font-weight:600;

}

.btn:hover{

background:black;

}

.btn-outline{

padding:14px 24px;
border-radius:10px;
text-decoration:none;
color:#111827;
border:1px solid #d9d9d9;

}

.hero{

padding:90px 0;

}

.hero-grid{

display:grid;
grid-template-columns:1.2fr .8fr;
gap:70px;
align-items:center;

}

.badge{

display:inline-block;
padding:8px 16px;
background:#eef2ff;
color:#304ffe;
border-radius:50px;
margin-bottom:20px;
font-size:14px;

}

.hero h1{

font-size:58px;
line-height:1.1;
margin-bottom:25px;
font-weight:800;

}

.hero h1 span{

color:#304ffe;

}

.hero p{

color:#6b7280;
font-size:18px;
max-width:650px;

}

.hero-buttons{

display:flex;
gap:15px;
margin-top:35px;

}

.hero-card{

background:white;
padding:35px;
border-radius:20px;
box-shadow:0 15px 40px rgba(0,0,0,.05);

}

.hero-card small{

color:#999;

}

.hero-card h3{

margin:15px 0;

}

.author{

display:flex;
gap:15px;
margin-top:30px;
align-items:center;

}

.circle{

width:48px;
height:48px;
border-radius:50%;
background:#304ffe;

}

.features{

padding:80px 0;

}

.section-title{

text-align:center;
margin-bottom:50px;

}

.section-title h2{

font-size:38px;
margin-top:10px;

}

.cards{

display:grid;
grid-template-columns:repeat(3,1fr);
gap:25px;

}

.card{

background:white;
padding:35px;
border-radius:18px;
transition:.3s;
border:1px solid #ececec;

}

.card:hover{

transform:translateY(-6px);

}

.stats{

padding:90px 0;
background:white;

}

.stat-grid{

display:grid;
grid-template-columns:repeat(4,1fr);
text-align:center;

}

.stat-grid h2{

font-size:46px;

}

.footer{

padding:60px 0;
display:flex;
justify-content:space-between;
align-items:center;

}

.footer a{

margin-left:20px;
text-decoration:none;
color:#555;

}

@media(max-width:900px){

.hero-grid,
.cards,
.stat-grid{

grid-template-columns:1fr;

}

nav{

display:none;

}

.hero h1{

font-size:42px;

}

.footer{

flex-direction:column;
gap:20px;

}

}