*{ box-sizing:border-box; margin:0; padding:0; }
html,body{ height:100%; }

body{
  font-family: system-ui, -apple-system, Segoe UI, Roboto, Arial, sans-serif;
  background:#0b1b2c;
  color:#fff;
}

.topbar{
  position:fixed;
  left:0; top:0; right:0;
  height:74px;
  display:flex;
  align-items:center;
  gap:28px;
  padding:0 28px;
  z-index:50;
  background: rgba(67, 125, 167, .62);
  backdrop-filter: blur(8px);
}

.logo img{
  width:140px;
}

.nav{
  display:flex;
  gap:18px;
  align-items:center;
  flex:1;
}

.nav a,
.right a,
.phone{
  color:#fff;
  text-decoration:none;
}

.hero{
  height:100vh;
  padding-top:74px;
  position:relative;
  overflow:hidden;
}

.hero-title{
  position:absolute;
  left:clamp(16px, 6vw, 88px);
  top: calc(74px + 16vh);
  z-index:20;
  pointer-events:none;
}

.hero-title h1{
  font-size: clamp(34px, 5vw, 70px);
  font-weight:300;
  text-shadow: 0 12px 40px rgba(0,0,0,.35);
}

.hero-title b{
  font-weight:800;
}

.mosaic{
  height:100%;
  display:grid;
  grid-template-columns: 1.05fr 1.05fr 1.2fr 1.05fr 1.05fr;
  gap:0;
}

.tile{
  position:relative;
  overflow:hidden;
  cursor:pointer;
  isolation:isolate;
  border-left:none;
  height:100%;
  background-size:cover;
  background-position:center;
  background-repeat:no-repeat;
}

/* blur olan eyni sekil */
.tile::before{
  content:"";
  position:absolute;
  top:-10px;
  right:-10px;
  bottom:-10px;
  left:-10px;
  background-image: inherit;
  background-size:cover;
  background-position:center;
  background-repeat:no-repeat;
  filter: blur(7px) brightness(.65) saturate(.9);
  transform: scale(1.08);
  transition: transform .5s ease, filter .5s ease;
  z-index:0;
}

/* goy overlay */
.shade{
  position:absolute;
  inset:0;
  background: rgba(67, 125, 167, .72);
  transition: background .4s ease;
  z-index:1;
}

.content{
  position:absolute;
  left:26px;
  bottom:72px;
  z-index:2;
  display:flex;
  flex-direction:column;
  gap:14px;
}

.label{
  font-weight:800;
  letter-spacing:1.2px;
  font-size:14px;
}

.btn{
  display:inline-flex;
  width:140px;
  justify-content:center;
  align-items:center;
  height:44px;
  border-radius:999px;
  text-decoration:none;
  color:#fff;
  border:1px solid rgba(255,255,255,.22);
  background: rgba(255,255,255,.10);
  backdrop-filter: blur(6px);
  font-weight:700;
}

.tile:hover::before{
  filter: blur(0) brightness(1) saturate(1.08);
  transform: scale(1.02);
}

.tile:hover .shade{
  background: rgba(67, 125, 167, .30);
}

@media (max-width: 1100px){
  .nav{ display:none; }

  .mosaic{
    grid-template-columns:1fr;
    grid-auto-rows:20vh;
  }

  .hero-title{
    top: calc(74px + 10vh);
  }

  .content{
    bottom:24px;
  }
}