/* ===========================
   PAYNAKKI PROFESSIONAL CSS
   Version 2.0
=========================== */

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

body{
font-family:Arial, Helvetica, sans-serif;
background:#f4f8fb;
color:#222;
line-height:1.7;
}

header{
display:flex;
justify-content:space-between;
align-items:center;
padding:18px 8%;
background:#0057d9;
color:white;
position:sticky;
top:0;
z-index:1000;
box-shadow:0 3px 10px rgba(0,0,0,.15);
}

.logo h2{
font-size:28px;
font-weight:bold;
}

nav a{
color:white;
text-decoration:none;
margin-left:20px;
font-weight:bold;
transition:.3s;
}

nav a:hover{
color:#ffd700;
}

.hero{
text-align:center;
padding:90px 20px;
background:linear-gradient(135deg,#0057d9,#00a0ff);
color:white;
}

.hero h1{
font-size:48px;
margin-bottom:20px;
}

.hero p{
font-size:20px;
max-width:700px;
margin:auto;
}

.button{
display:inline-block;
margin-top:35px;
padding:15px 35px;
background:white;
color:#0057d9;
text-decoration:none;
font-weight:bold;
border-radius:40px;
transition:.3s;
}

.button:hover{
background:#ffd700;
color:#000;
transform:translateY(-3px);
}

.features{
display:grid;
grid-template-columns:repeat(auto-fit,minmax(280px,1fr));
gap:25px;
padding:60px 8%;
}

.card{
background:white;
padding:30px;
border-radius:15px;
box-shadow:0 8px 25px rgba(0,0,0,.08);
transition:.3s;
}

.card:hover{
transform:translateY(-8px);
}

.card h3{
margin-bottom:15px;
color:#0057d9;
}

footer{
background:#0b1220;
color:white;
text-align:center;
padding:30px;
margin-top:40px;
}

footer a{
color:#8dc6ff;
text-decoration:none;
}

footer a:hover{
color:white;
}

@media(max-width:768px){

header{
flex-direction:column;
}

nav{
margin-top:15px;
}

nav a{
display:block;
margin:10px 0;
}

.hero h1{
font-size:34px;
}

.hero p{
font-size:18px;
}

}