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

body{
background:#f5f7fa;
color:#111;
}

/* NAV */

header{
position:fixed;
top:0;
width:100%;
background:#0b1220;
z-index:1000;
}

.nav{
display:flex;
align-items:center;
justify-content:space-between;
padding:14px 24px;
max-width:1200px;
margin:auto;
}

.logo img{
height:48px;
}

.menu a{
color:white;
margin-left:20px;
text-decoration:none;
font-weight:600;
}

.menu a:hover{
opacity:0.7;
}

/* HERO */

.hero{
height:85vh;
display:flex;
align-items:center;
background-size:cover;
background-position:center;
position:relative;
}

.hero::after{
content:"";
position:absolute;
inset:0;
background:rgba(0,0,0,0.45);
}

.hero-content{
position:relative;
z-index:2;
color:white;
max-width:600px;
margin-left:6%;
}

.hero h1{
font-size:44px;
margin-bottom:20px;
}

.hero p{
font-size:18px;
line-height:1.5;
margin-bottom:20px;
}

/* BUTTON */

.btn{
display:inline-block;
padding:14px 26px;
border-radius:8px;
background:#0a3cff;
color:white;
text-decoration:none;
font-weight:700;
}

/* SECTIONS */

.section{
padding:100px 24px;
max-width:1200px;
margin:auto;
}

.white{
background:white;
border-radius:18px;
padding:60px;
box-shadow:0 10px 30px rgba(0,0,0,0.05);
}

/* GRID LEISTUNGEN */

.grid{
display:grid;
grid-template-columns:repeat(auto-fit,minmax(260px,1fr));
gap:28px;
}

.card{
height:260px;
border-radius:18px;
background-size:cover;
background-position:center;
position:relative;
overflow:hidden;
display:flex;
align-items:flex-end;
padding:24px;
color:white;
text-decoration:none;
font-size:22px;
font-weight:700;
}

.card::after{
content:"";
position:absolute;
inset:0;
background:rgba(0,0,0,0.45);
}

.card span{
position:relative;
z-index:2;
}

/* FOOTER */

footer{
background:#0b1220;
color:white;
text-align:center;
padding:30px;
margin-top:80px;
}

/* FLOAT BUTTONS */

.floating{
position:fixed;
bottom:20px;
right:20px;
display:flex;
flex-direction:column;
gap:14px;
}

.float-btn{
width:60px;
height:60px;
border-radius:50%;
display:flex;
align-items:center;
justify-content:center;
font-size:26px;
color:white;
text-decoration:none;
}

.call{background:#0a3cff;}
.wa{background:#16a34a;}

/* MOBILE */

@media(max-width:768px){

.hero h1{
font-size:32px;
}

.hero-content{
margin:0 24px;
}

.white{
padding:40px 24px;
}

}

/* SCROLL ANIMATION */

.reveal{
opacity:0;
transform:translateY(40px);
transition:all 0.8s ease;
}

.reveal.active{
opacity:1;
transform:translateY(0);
}