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


.inc-roof-container {
  max-width: 600spx;
  margin: 40px auto;
  background: #fff;
  padding: 30px;
  border-radius: 14px;
 box-shadow: rgba(99, 99, 99, 0.2) 0px 2px 8px 0px;
}
.inc-roof-title {
  text-align: center;
  margin-bottom: 25px;
}
.inc-roof-row {
  display: flex;
  gap: 15px;
  margin-bottom: 18px;
  flex-wrap: wrap;
}
.inc-roof-group {
  flex: 1 1 30%;
  min-width: 120px;
}
.inc-roof-label {
  font-weight: 600;
  display: block;
  margin-bottom: 6px;
}
.inc-roof-input,
.inc-roof-select {
  width: 100%;
  padding: 12px;
  border-radius: 8px;
  border: 1px solid #ccc;
  font-size: 15px;
}
.inc-roof-btn {
  width: 100%;
  padding: 14px;
  background: linear-gradient(135deg,#2c7be5,#1a5bb8);
  color: #fff;
  border: none;
  border-radius: 10px;
  font-size: 16px;
  cursor: pointer;
}
.inc-roof-result {
  margin-top: 25px;
  padding: 20px;
  background: #f4f9ff;
  border-left: 5px solid #2c7be5;
  border-radius: 10px;
  display: none;
  white-space: pre-line;
}
.inc-roof-result strong {
  font-weight: 700;
}
.inc-roof-group.lastinc{
	display:block;
	flex:none;
	max-width:100%
}


@media(max-width: 768px){
.inc-roof-container {
  
  margin: 20px auto;
  padding: 20px;
}

}