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

.container{
width:90%;
max-width:1100px;
margin:auto;
}

header{
background:white;
box-shadow:0 2px 10px rgba(0,0,0,0.1);
}

.nav{
display:flex;
justify-content:space-between;
align-items:center;
padding:15px 0;
}

.logo{
display:flex;
align-items:center;
}

.logo img{
height:50px;
margin-right:10px;
}

nav a{
margin-left:20px;
text-decoration:none;
color:#333;
}

.hero{
height:90vh;
position:relative;
overflow:hidden;
}

.slider img{
position:absolute;
width:100%;
height:100%;
object-fit:cover;
opacity:0;
transition:1s;
}

.slider img.active{
opacity:1;
}

.hero-text{
position:absolute;
top:50%;
left:50%;
transform:translate(-50%,-50%);
text-align:center;
color:white;
background:rgba(0,0,0,0.5);
padding:40px;
}

.section{
padding:80px 0;
}

.section-title{
text-align:center;
margin-bottom:50px;
}

.section-title span{
display:block;
width:60px;
height:4px;
background:#0f6e8c;
margin:10px auto;
}

.grid{
display:grid;
grid-template-columns:repeat(auto-fit,minmax(220px,1fr));
gap:20px;
}

.card{
background:#f4f4f4;
padding:25px;
text-align:center;
border-radius:6px;
transition:0.3s;
}

.card:hover{
transform:translateY(-5px);
box-shadow:0 10px 25px rgba(0,0,0,0.1);
}

.gallery{
display:grid;
grid-template-columns:repeat(12,1fr);
grid-auto-rows:26px;
grid-auto-flow:dense;
gap:14px;
}

.gallery img{
width:100%;
height:100%;
object-fit:cover;
cursor:pointer;
border-radius:10px;
box-shadow:0 10px 24px rgba(0,0,0,0.14);
transition:transform .25s ease, box-shadow .25s ease, filter .25s ease;
}

.gallery img:hover{
transform:translateY(-4px) scale(1.02);
box-shadow:0 14px 28px rgba(0,0,0,0.2);
filter:brightness(1.04);
z-index:2;
}

.gallery img:nth-child(6n+1){
grid-column:span 6;
grid-row:span 10;
}

.gallery img:nth-child(6n+2){
grid-column:span 3;
grid-row:span 7;
}

.gallery img:nth-child(6n+3){
grid-column:span 3;
grid-row:span 12;
}

.gallery img:nth-child(6n+4){
grid-column:span 4;
grid-row:span 9;
}

.gallery img:nth-child(6n+5){
grid-column:span 5;
grid-row:span 8;
}

.gallery img:nth-child(6n){
grid-column:span 3;
grid-row:span 8;
}

@media (max-width: 900px){
  .gallery{
    grid-template-columns:repeat(6,1fr);
    grid-auto-rows:22px;
  }

  .gallery img:nth-child(6n+1),
  .gallery img:nth-child(6n+4),
  .gallery img:nth-child(6n+5){
    grid-column:span 3;
  }

  .gallery img:nth-child(6n+2),
  .gallery img:nth-child(6n+3),
  .gallery img:nth-child(6n){
    grid-column:span 3;
  }
}

@media (max-width: 560px){
  .gallery{
    grid-template-columns:repeat(2,1fr);
    grid-auto-rows:20px;
    gap:10px;
  }

  .gallery img{
    grid-column:span 1 !important;
    grid-row:span 8 !important;
  }
}

.videos{
display:grid;
grid-template-columns:1fr 1fr;
gap:20px;
}

.videos video{
width:100%;
height:300px;
object-fit:cover;
}

.contact{
text-align:center;
font-size:18px;
}

footer{
background:#111;
color:white;
text-align:center;
padding:20px;
}

#lightbox{
position:fixed;
top:0;
left:0;
width:100%;
height:100%;
background:rgba(0,0,0,0.9);
display:none;
justify-content:center;
align-items:center;
}

#lightbox img{
max-width:90%;
max-height:90%;
}
.project-gallery{
display:grid;
grid-template-columns:repeat(auto-fit,minmax(260px,1fr));
gap:25px;
}

.project-card{
position:relative;
overflow:hidden;
cursor:pointer;
border-radius:10px;
box-shadow:0 8px 20px rgba(0,0,0,0.15);
}

.project-card img{
width:100%;
height:250px;
object-fit:cover;
transition:0.4s;
}

.project-card:hover img{
transform:scale(1.1);
}

.project-overlay{
position:absolute;
bottom:0;
left:0;
width:100%;
background:rgba(0,0,0,0.6);
color:white;
padding:10px;
text-align:center;
font-size:18px;
}

.back-bar{
padding:20px;
background:#f4f4f4;
}

.back-bar a{
text-decoration:none;
font-weight:500;
color:#0f6e8c;
font-size:18px;
}

.about-box{
max-width:950px;
margin:auto;
background:#fff;
padding:40px;
border-radius:12px;
box-shadow:0 8px 24px rgba(0,0,0,0.08);
line-height:1.9;
font-size:17px;
color:#444;
text-align:justify;
}

.about-box p{
margin-bottom:22px;
}

@media(max-width:768px){

.about-box{
padding:25px;
font-size:16px;
text-align:left;
}

}

html{
scroll-behavior:smooth;
}

body{
background:#fafafa;
color:#222;
line-height:1.7;
}

.section:nth-child(even){
background:#fff;
}

.section:nth-child(odd){
background:#f8f9fb;
}

.card{
background:white;
padding:30px;
border-radius:12px;
box-shadow:0 10px 25px rgba(0,0,0,0.08);
border-top:4px solid #0f6e8c;
}

.card h3{
margin-bottom:15px;
color:#0f6e8c;
}