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

body{
  font-family:Arial;
  line-height:1.6;
  background:#f4f4f4;
  color:#222;
}

.container{
  width:90%;
  max-width:1200px;
  margin:auto;
}

header{
  background:#111;
  color:#fff;
  padding:15px 0;
  position:sticky;
  top:0;
}

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

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

.hero{
  background:
    linear-gradient(
      rgba(0,0,0,0.6),
      rgba(0,0,0,0.6)
    ),
    url('images/hero-security.jpg');

  background-size:cover;
  background-position:center;
  background-repeat:no-repeat;

  min-height:100vh;

  display:flex;
  align-items:center;
  justify-content:center;
}
.overlay{
  background:rgba(0,0,0,0.6);
  height:100%;
  display:flex;
  align-items:center;
  justify-content:center;
}

.hero-content{
  color:white;
  text-align:center;
}

.hero-content h2{
  font-size:50px;
}

.btn{
  display:inline-block;
  background:gold;
  color:black;
  padding:12px 25px;
  margin-top:20px;
  text-decoration:none;
  border-radius:5px;
}

.btn-dark{
  display:inline-block;
  background:#111;
  color:white;
  padding:12px 25px;
  text-decoration:none;
}

.about-home{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:30px;
  padding:70px 0;
}

.about-home img{
  width:100%;
  border-radius:10px;
}

.services{
  background:white;
  padding:70px 0;
}

.service-grid{
  display:grid;
  grid-template-columns:repeat(auto-fit,minmax(250px,1fr));
  gap:20px;
  margin-top:30px;
}

.card{
  background:#fff;
  box-shadow:0 0 10px rgba(0,0,0,0.1);
  border-radius:10px;
  overflow:hidden;
}

.card img{
  width:100%;
  height:220px;
  object-fit:cover;
}

.card h3{
  padding:20px;
}

.page-banner{
  background:#222;
  color:white;
  padding:70px 20px;
  text-align:center;
}

.content{
  background:white;
  padding:50px;
  margin:40px auto;
}

.full-image{
  width:100%;
  border-radius:10px;
  margin-bottom:30px;
}

.service-item{
  display:flex;
  gap:20px;
  background:white;
  margin-bottom:30px;
  padding:20px;
}

.service-item img{
  width:300px;
  border-radius:10px;
}

table{
  width:100%;
  border-collapse:collapse;
}

table td{
  border:1px solid #ccc;
  padding:15px;
}

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

@media(max-width:768px){

  .nav{
    flex-direction:column;
  }

  nav{
    margin-top:15px;
  }

  .hero-content h2{
    font-size:35px;
  }

  .about-home{
    grid-template-columns:1fr;
  }

  .service-item{
    flex-direction:column;
  }

  .service-item img{
    width:100%;
  }

}