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

body{
  font-family:Arial, sans-serif;
  background:#f3f4f6;
  color:#111827;
}

.topbar{
  background:#fff;
  padding:20px 40px;
  display:flex;
  justify-content:space-between;
  align-items:center;
  border-bottom:1px solid #ddd;
}

.logo{
  display:flex;
  align-items:center;
  gap:15px;
}

.logo-box{
  width:50px;
  height:50px;
  background:#22c55e;
  color:#fff;
  display:flex;
  align-items:center;
  justify-content:center;
  border-radius:12px;
  font-weight:bold;
}

.logo h1{
  color:#16a34a;
}

.logo p{
  color:#777;
  font-size:14px;
}

.export-btn{
  background:#16a34a;
  color:#fff;
  border:none;
  padding:14px 22px;
  border-radius:12px;
  cursor:pointer;
  font-weight:bold;
}

.container{
  max-width:1400px;
  margin:auto;
  padding:40px;
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:40px;
}

.left{
  background:#fff;
  padding:40px;
  border-radius:30px;
}

.left h2{
  font-size:60px;
  line-height:1;
}

.left h2 span{
  color:#16a34a;
  display:block;
}

.subtitle{
  margin-top:20px;
  color:#666;
  line-height:1.6;
}

.tabs{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:10px;
  margin-top:30px;
}

.tabs button{
  padding:16px;
  border:none;
  border-radius:16px;
  background:#f3f4f6;
  cursor:pointer;
}

.tabs .active{
  background:#16a34a;
  color:#fff;
}

.card{
  margin-top:30px;
  border:1px solid #e5e7eb;
  border-radius:24px;
  padding:25px;
}

.card h3{
  margin-bottom:20px;
}

.card label{
  display:block;
  margin-top:15px;
  margin-bottom:8px;
  color:#555;
}

.card input,
.card textarea{
  width:100%;
  padding:15px;
  border-radius:14px;
  border:1px solid #d1d5db;
}

.card textarea{
  height:120px;
  resize:none;
}

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

.generate-btn{
  width:100%;
  margin-top:25px;
  background:#16a34a;
  color:#fff;
  border:none;
  padding:18px;
  border-radius:18px;
  font-size:18px;
  font-weight:bold;
  cursor:pointer;
}

.right{
  display:flex;
  align-items:center;
  justify-content:center;
}

.phone{
  width:400px;
  height:760px;
  background:#000;
  border-radius:50px;
  padding:12px;
}

.chat{
  background:#ece5dd;
  height:100%;
  border-radius:40px;
  padding:30px;
  display:flex;
  flex-direction:column;
  justify-content:center;
  align-items:center;
}

.bubble{
  background:#dcf8c6;
  padding:20px;
  border-radius:18px;
  margin-bottom:30px;
  max-width:280px;
  align-self:flex-end;
}

.qr-card{
  background:#fff;
  padding:30px;
  border-radius:24px;
  text-align:center;
}

.scan-btn{
  margin-top:20px;
  background:#16a34a;
  color:#fff;
  border:none;
  padding:14px 20px;
  border-radius:14px;
  cursor:pointer;
}

.features{
  max-width:1400px;
  margin:40px auto;
  padding:30px;
  background:linear-gradient(to right,#1f2937,#166534);
  border-radius:30px;
  color:#fff;
  display:grid;
  grid-template-columns:repeat(5,1fr);
  text-align:center;
  gap:20px;
}

.footer{
  text-align:center;
  padding:30px;
  color:#777;
}

@media(max-width:1100px){

  .container{
    grid-template-columns:1fr;
  }

  .phone{
    width:100%;
    max-width:400px;
  }

  .features{
    grid-template-columns:1fr 1fr;
  }

}