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

body{
font-family:'Lucida Sans', 'Lucida Sans Regular', 'Lucida Grande', 'Lucida Sans Unicode', Geneva, Verdana, sans-serif;
background:#f4f4f4;
line-height:1.6;
}

.nav{
display:flex;
justify-content:space-between;
align-items:center;
padding:20px 40px;
background:#0b1a2b;
color:white;
}

.nav-logo{
font-weight:bold;
font-size:20px;
color:#4fd1ff;
}

.nav-links{
list-style:none;
display:flex;
gap:25px;
}

.nav-links a{
text-decoration:none;
color:white;
font-size:14px;
transition:color 0.3s ease;
}

.nav-links a:hover{
color:#4fd1ff;
}


.hero{
display:flex;
justify-content:space-between;
align-items:center;
padding:80px 60px;
background:linear-gradient(120deg,#0b1a2b,#07121f);
color:white;
}

.hero-sadrzaj{
max-width:500px;
}

.hero h1{
font-size:36px;
margin-bottom:15px;
}

.hero p{
font-size:14px;
color:#cbd5e1;
margin-bottom:25px;
}

.gumb{
display:inline-block;
background:#4fd1ff;
color:black;
padding:10px 18px;
border-radius:6px;
text-decoration:none;
font-size:14px;
font-weight:bold;
transition:all 0.3s ease;
}

.gumb:hover{
transform:scale(1.08);
background:#22b8e6;
}

.hero-slika img{
  width:420px;
  border-radius:12px;
  transition: transform 0.4s ease, box-shadow 0.4s ease;

}

.hero-slika img:hover{
  transform: translateY(-8px) rotate(4deg);
  box-shadow:0 20px 40px rgba(0,0,0,0.4);
}

.usluge{
padding:60px 40px;
text-align:center;
background:white;
}

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

.usluge h2{
margin-bottom:40px;
}

.kartica{
background:white;
padding:20px;
border-radius:10px;
box-shadow:0 5px 15px rgba(0,0,0,0.1);
transition:transform 0.3s ease, box-shadow 0.3s ease;
}

.kartica img{
width:100%;
border-radius:8px;
margin-bottom:10px;
}

.kartica:hover{
transform:translateY(-10px) scale(1.05);
box-shadow:0 15px 30px rgba(0,0,0,0.2);
}

.kartica-3d:hover{
transform:translateY(-10px) rotateY(10deg) scale(1.05);
}

.footer{
background:#0b1a2b;
color:white;
text-align:center;
padding:20px;
margin-top:40px;
}

@media (max-width:768px){

.nav{
flex-direction:column;
gap:10px;
}

.hero{
flex-direction:column;
text-align:center;
gap:40px;
}

.hero-slika img{
width:100%;
}

.usluge-grid{
grid-template-columns:1fr;
}
}