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

body{
background:#f8f9fa;
line-height:1.7;
}

header{
background:#0d6efd;
color:#fff;
padding:15px 20px;
display:flex;
justify-content:space-between;
align-items:center;
position:sticky;
top:0;
z-index:999;
}

.logo{
display:flex;
align-items:center;
gap:10px;
font-size:24px;
font-weight:bold;
}

.logo img{
width:45px;
height:45px;
border-radius:50%;
}

.menu-btn{
font-size:28px;
cursor:pointer;
display:none;
}

nav ul{
display:flex;
list-style:none;
gap:20px;
}

nav ul li a{
color:#fff;
text-decoration:none;
font-weight:bold;
}

.hero{
text-align:center;
padding:30px;
}

.hero img{
width:100%;
max-width:1200px;
border-radius:15px;
}

.buttons{
margin-top:20px;
}

.btn{
display:inline-block;
padding:15px 25px;
margin:10px;
background:#0d6efd;
color:#fff;
text-decoration:none;
border-radius:8px;
font-weight:bold;
}

.btn:hover{
background:#084298;
}

.container{
max-width:1200px;
margin:auto;
padding:20px;
}

.content-box{
background:#fff;
padding:20px;
margin-bottom:20px;
border-radius:10px;
box-shadow:0 0 10px rgba(0,0,0,.1);
}

footer{
background:#111;
color:#fff;
padding:40px 20px;
margin-top:40px;
}

.footer-grid{
display:grid;
grid-template-columns:repeat(auto-fit,minmax(250px,1fr));
gap:20px;
}

footer a{
color:#fff;
text-decoration:none;
}

@media(max-width:768px){

.menu-btn{
display:block;
}

nav{
display:none;
position:absolute;
top:75px;
left:0;
width:100%;
background:#0d6efd;
}

nav.active{
display:block;
}

nav ul{
flex-direction:column;
padding:20px;
}

}