*{
  box-sizing:border-box;
  margin:0;
  padding:0;
}

body{
  font-family:Arial,sans-serif;
  background:#f5f7fb;
  color:#111827;
}

.hero{
  min-height:90vh;
  display:grid;
  grid-template-columns:1fr 1fr;
  align-items:center;
  gap:50px;
  padding:70px 8%;
  background:
    radial-gradient(circle at top right, rgba(11,92,255,.18), transparent 35%),
    linear-gradient(135deg,#ffffff,#eef4ff);
}

.heroText span,
.builtContent span{
  color:#0b5cff;
  font-weight:800;
  letter-spacing:1px;
  font-size:13px;
}

.heroText h1{
  font-size:56px;
  line-height:1.05;
  margin:18px 0;
}

.heroText p{
  font-size:20px;
  line-height:1.6;
  max-width:560px;
  color:#4b5563;
  margin-bottom:30px;
}

.mainBtn{
  border:none;
  background:#0b5cff;
  color:#fff;
  padding:16px 28px;
  border-radius:40px;
  font-weight:700;
  font-size:16px;
  cursor:pointer;
  box-shadow:0 15px 30px rgba(11,92,255,.25);
}

.heroCard{
  background:#fff;
  border-radius:28px;
  padding:25px;
  box-shadow:0 30px 80px rgba(15,23,42,.18);
}

.fakeHeader{
  display:flex;
  gap:8px;
  margin-bottom:25px;
}

.fakeHeader span{
  width:12px;
  height:12px;
  background:#d1d5db;
  border-radius:50%;
}

.message{
  max-width:75%;
  padding:14px 16px;
  border-radius:18px;
  margin-bottom:15px;
  line-height:1.4;
}

.left{
  background:#f1f5f9;
}

.right{
  background:#0b5cff;
  color:#fff;
  margin-left:auto;
}

.builtSection{
  padding:90px 8%;
  background:#fff;
}

.builtContent{
  max-width:850px;
  margin:auto;
  text-align:center;
}

.builtContent h2{
  font-size:48px;
  margin:18px 0;
}

.builtContent p{
  font-size:20px;
  line-height:1.7;
  color:#4b5563;
}

.footer{
  padding:28px 8%;
  text-align:center;
  background:#0f172a;
  color:#cbd5e1;
}

.chatBubble{
  position:fixed;
  right:20px;
  bottom:90px;
  border:none;
  border-radius:50px;
  padding:16px 22px;
  background:#0b5cff;
  color:#fff;
  font-weight:800;
  cursor:pointer;
  box-shadow:0 12px 30px rgba(0,0,0,.2);
  z-index:9998;
}

.chatModal{
  display:none;
  position:fixed;
  right:20px;
  bottom:160px;
  z-index:9999;
}

.chatBox{
  width:370px;
  background:#fff;
  border-radius:24px;
  overflow:hidden;
  box-shadow:0 20px 70px rgba(0,0,0,.25);
}

.chatHeader{
  display:flex;
  justify-content:space-between;
  align-items:center;
  padding:18px 20px;
  background:#0b5cff;
  color:#fff;
}

.chatHeader h2{
  font-size:18px;
  margin-bottom:3px;
}

.chatHeader p{
  font-size:12px;
  opacity:.85;
}

.closeChat{
  border:none;
  background:rgba(255,255,255,.15);
  color:#fff;
  width:34px;
  height:34px;
  border-radius:50%;
  cursor:pointer;
  font-weight:800;
}

.chatMessages{
  height:260px;
  padding:16px;
  background:#f8fafc;
}

.botMessage{
  background:#eef3ff;
  padding:13px 15px;
  border-radius:16px;
  max-width:85%;
  line-height:1.4;
}

.chatInputWrap{
  display:flex;
  gap:10px;
  padding:15px;
  border-top:1px solid #eee;
}

.chatInput{
  flex:1;
  border:none;
  background:#f3f5f8;
  border-radius:30px;
  padding:14px 18px;
  outline:none;
}

.chatInput:focus{
  box-shadow:0 0 0 3px rgba(11,92,255,.15);
}

.sendBtn{
  border:none;
  background:#0b5cff;
  color:#fff;
  border-radius:30px;
  padding:0 22px;
  font-weight:700;
  cursor:pointer;
}

@media(max-width:800px){
  .hero{
    grid-template-columns:1fr;
    padding:50px 22px;
  }

  .heroText h1{
    font-size:40px;
  }

  .builtContent h2{
    font-size:34px;
  }

  .builtContent p{
    font-size:17px;
  }

  .chatBox{
    width:calc(100vw - 30px);
  }

  .chatModal{
    right:15px;
    bottom:150px;
  }
}.userMessage{
  background:#0b5cff;
  color:#fff;
  padding:13px 15px;
  border-radius:16px;
  max-width:85%;
  line-height:1.4;
  margin-left:auto;
  margin-top:12px;
}.backBtn{
  position:absolute;
  top:20px;
  left:20px;
  color:#fff;
  text-decoration:none;
  font-weight:600;
}

.heroButtons{
  display:flex;
  gap:12px;
  flex-wrap:wrap;
  margin-top:20px;
}

.accountBtn,
.callBtn{
  display:flex;
  align-items:center;
  justify-content:center;
  text-decoration:none;
}

.callBtn{
  background:#16a34a;
  color:#fff;
}