body{
margin:0;
font-family: 'Segoe UI', Arial, sans-serif;
background:#f5f8ff;
color:#1f2d3d;
}

header{
display:flex;
justify-content:space-between;
align-items:center;
padding:20px 50px;
background:white;
box-shadow:0 2px 12px rgba(0,0,0,0.06);
}

.logo img{
height:45px;
}

nav a{
margin-left:20px;
text-decoration:none;
color:#0066ff;
font-weight:600;
}

.btn{
background:#0066ff;
color:white;
padding:10px 18px;
border-radius:8px;
}

.hero{
text-align:center;
padding:100px 20px;
}

.hero h1{
font-size:52px;
color:#0066ff;
margin-bottom:10px;
}

.hero p{
font-size:20px;
color:#444;
}

.drop-zone{
margin:40px auto;
max-width:500px;
padding:50px;
border:2px dashed #0066ff;
border-radius:14px;
background:white;
cursor:pointer;
transition:0.3s;
}

.drop-zone:hover{
background:#eef4ff;
}

.drop-zone p{
font-size:18px;
color:#0066ff;
}

.features{
display:flex;
justify-content:center;
gap:30px;
padding:60px 20px;
}

.feature{
background:white;
padding:25px;
border-radius:12px;
width:250px;
box-shadow:0 4px 12px rgba(0,0,0,0.06);
text-align:center;
}

footer{
text-align:center;
padding:30px;
font-size:14px;
}

.guest-box{
background:white;
padding:30px;
border-radius:12px;
box-shadow:0 4px 12px rgba(0,0,0,0.06);
max-width:400px;
margin:40px auto;
}

.guest-box p{
margin-bottom:20px;
}