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

body{
  font-family:Arial,sans-serif;
  background:#f4f1ec;
  color:#111;
}

.topbar{
  background:#06152d;
  color:#fff;
  display:flex;
  justify-content:space-between;
  align-items:center;
  padding:20px 40px;
}

.logo{
  font-size:34px;
  font-weight:bold;
  line-height:0.9;
}

nav a{
  color:#fff;
  text-decoration:none;
  margin:0 12px;
  font-size:13px;
}

.phone{
  background:#d7a641;
  color:#000;
  padding:12px 18px;
  font-weight:bold;
}

.hero{
  display:grid;
  grid-template-columns:1fr 1fr;
  min-height:520px;
}

.left{
  background:#081a35;
  color:#fff;
  padding:70px;
}

.small{
  color:#d7a641;
  letter-spacing:2px;
  margin-bottom:20px;
}

h1{
  font-size:54px;
  line-height:1.1;
  margin-bottom:20px;
}

.desc{
  color:#d9d9d9;
  line-height:1.6;
  margin-bottom:35px;
}

.features{
  display:flex;
  flex-direction:column;
  gap:14px;
  margin-bottom:35px;
}

.buttons{
  display:flex;
  gap:15px;
}

.buttons a{
  text-decoration:none;
  padding:14px 22px;
  font-weight:bold;
}

.gold{
  background:#d7a641;
  color:#000;
}

.dark{
  border:2px solid #fff;
  color:#fff;
}

.right{
  background-image:url('mockup.png');
  background-size:cover;
  background-position:right top;
}

.reviews{
  padding:60px 40px;
  text-align:center;
}

.reviews h2{
  margin-bottom:40px;
  font-size:34px;
}

.cards{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:25px;
}

.card{
  background:#fff;
  padding:30px;
  box-shadow:0 2px 10px rgba(0,0,0,0.08);
  text-align:left;
}

.stars{
  color:#d7a641;
  margin-bottom:15px;
}

.bottom{
  background:#06152d;
  color:#fff;
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:20px;
  padding:35px;
  text-align:center;
}

.box{
  border:1px solid rgba(255,255,255,0.2);
  padding:20px;
}

footer{
  background:#000;
  color:#fff;
  text-align:center;
  padding:20px;
}

@media(max-width:900px){
  .hero{
    grid-template-columns:1fr;
  }

  .cards,
  .bottom{
    grid-template-columns:1fr;
  }

  .topbar{
    flex-direction:column;
    gap:20px;
  }

  h1{
    font-size:40px;
  }
}