body{
font-family: Arial;
margin:0;
transition:0.3s;
}

body.dark{
background:#0f172a;
color:#e5e7eb;
}

body.light{
background:#f5f7fb;
color:#111;
}

header{
background:inherit;
border-bottom:1px solid rgba(255,255,255,0.05);
}

.nav{
display:flex;
justify-content:space-between;
align-items:center;
padding:15px 80px;
}

.logo img{
height:55px;
}

nav a{
margin-left:25px;
text-decoration:none;
color:inherit;
font-weight:500;
}

#themeToggle{
margin-left:25px;
cursor:pointer;
background:none;
border:none;
font-size:18px;
}

.hero{
text-align:center;
padding:120px 20px;
}

.hero h1{
font-size:42px;
margin-bottom:20px;
}

.cta{
display:inline-block;
margin-top:20px;
padding:14px 28px;
background:#e10000;
color:white;
border-radius:5px;
cursor:pointer;
}

.services{
padding:80px;
text-align:center;
}

.cards{
display:flex;
gap:40px;
justify-content:center;
margin-top:40px;
flex-wrap:wrap;
}

.card{
padding:30px;
width:260px;
border-radius:8px;
background:rgba(255,255,255,0.05);
backdrop-filter:blur(10px);
}

.about{
padding:80px;
text-align:center;
}

.contact{
padding:80px;
text-align:center;
}

footer{
padding:20px;
text-align:center;
background:#020617;
}