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

body{
font-family:Arial,sans-serif;
background:#0f1720;
color:white;
line-height:1.6;
}

header{
height:100vh;
background-size:cover;
background-position:center;
display:flex;
justify-content:center;
align-items:center;
position:relative;
}

header::before{
content:'';
position:absolute;
inset:0;
background:rgba(0,0,0,0.55);
}

.hero{
position:relative;
z-index:2;
text-align:center;
padding:40px;
}

.hero h1{
font-size:4rem;
margin-bottom:20px;
}

.hero p{
font-size:1.3rem;
margin-bottom:25px;
}

.btn{
display:inline-block;
padding:14px 28px;
background:#0077ff;
color:white;
text-decoration:none;
border-radius:8px;
}

section{
padding:70px 10%;
}

.gallery{
display:grid;
grid-template-columns:repeat(auto-fit,minmax(280px,1fr));
gap:20px;
margin-top:30px;
}

.gallery-item{
overflow:hidden;
border-radius:18px;
background:#1d2935;
}

.gallery-item img{
width:100%;
height:280px;
object-fit:cover;
transition:0.4s;
}

.gallery-item img:hover{
transform:scale(1.08);
}

.services{
display:grid;
grid-template-columns:repeat(auto-fit,minmax(250px,1fr));
gap:25px;
}

.card{
background:#1d2935;
padding:30px;
border-radius:18px;
}

footer{
padding:30px;
text-align:center;
background:#091018;
}


.topnav{
position:fixed;
top:0;
width:100%;
background:rgba(0,0,0,0.85);
padding:18px;
display:flex;
justify-content:center;
gap:25px;
z-index:999;
backdrop-filter:blur(6px);
}

.topnav a{
color:white;
text-decoration:none;
font-weight:bold;
}

.logo-slider{
overflow:hidden;
position:relative;
margin-top:40px;
background:#101820;
padding:25px 0;
}

.logo-track{
display:flex;
width:calc(250px * 10);
animation:scroll 20s linear infinite;
}

.logo{
width:250px;
display:flex;
align-items:center;
justify-content:center;
font-size:2rem;
font-weight:bold;
color:white;
opacity:0.8;
}

@keyframes scroll{
0%{
transform:translateX(0);
}
100%{
transform:translateX(calc(-250px * 5));
}
.section-image{
    width:100%;
    max-width:900px;
    border-radius:18px;
    margin:30px auto;
    display:block;
    box-shadow:0 5px 20px rgba(0,0,0,0.25);
}
}