/* Grey-blue industrial look */
*{box-sizing:border-box}
body{margin:0;font-family:Segoe UI,Roboto,Arial,sans-serif;background:#e9f3f8;color:#111}
.header{position:fixed;width:100%;top:0;background:rgba(10,30,60,0.6);color:#fff;text-align:center;padding:18px 10px;z-index:10;backdrop-filter:blur(6px)}
.header h1{margin:0;font-size:20px;letter-spacing:0.6px}
.header .tag{margin:4px 0 0;font-size:13px;color:#dfeffc}

.slideshow-container{position:relative;margin-top:110px;max-width:100%;height:520px;overflow:hidden;background:#0f2a44}
.slideshow{position:absolute;top:0;left:0;width:100%;height:100%;display:block}
.slideshow img{width:100%;height:100%;object-fit:cover;display:block;filter:brightness(0.75) saturate(0.95)}

.slide{position:absolute;top:0;left:0;width:100%;height:100%}
.slide img{width:100%;height:100%;object-fit:cover}
.slide.active{z-index:2;opacity:1;transition:transform 1s ease}
.slide.prev{z-index:1}

.info{padding:40px;text-align:center;background:linear-gradient(180deg,#e9f3f8,#f5f7fb)}

footer{background:#1f3a56;color:#fff;text-align:center;padding:18px}

/* overlay text on slideshow */
.overlay{position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);color:#fff;text-align:center;z-index:5;pointer-events:none}
.overlay h2{margin:0;font-size:34px;letter-spacing:1px;text-shadow:0 6px 18px rgba(0,0,0,0.45)}
.overlay p{margin-top:8px;font-size:16px;opacity:0.95}

/* Responsive */
@media (max-width:800px){
  .header h1{font-size:16px}
  .overlay h2{font-size:20px}
  .slideshow-container{height:380px}
}