*,
*::before,
*::after {
  box-sizing: border-box;
}

.lead-form-section {
  background:
    radial-gradient(120% 70% at 10% -10%, rgba(16, 54, 122, .06) 0%, transparent 60%),
    radial-gradient(120% 70% at 100% 0%, rgba(254, 87, 22, .06) 0%, transparent 60%);
  max-width: 920px;
  margin: 24px auto;
  padding: 12px;
}

.container {
  max-width: 760px;
  margin: 0 auto;
}


.form-wrapper {
  position: relative;
  background: rgba(255,255,255,.96);
  border: 1px solid #D3D3D3;
  border-radius: 1.25rem;
  padding: 2rem;
  box-shadow:
    0 24px 60px rgba(2, 8, 23, .08),
    0 2px 12px rgba(2, 8, 23, .06);
  backdrop-filter: saturate(1.1) blur(6px);
  overflow: hidden;
}

.form-wrapper::before{
  content:"";
  position:absolute; inset:-1px;
  pointer-events:none;
  background: conic-gradient(from 0deg, rgba(16, 54, 122,.18), rgba(254, 87, 22,.18), rgba(16, 54, 122,.18));
  mask: radial-gradient(120% 120% at 50% 50%, transparent 49%, #000 51%, transparent 53%);
  opacity:.40;
}


.form-title {
  font-size: 1.8rem;
  text-align: center;
  margin-bottom: 1.6rem;
  color: #000000;
  font-weight: 900;
  letter-spacing: .2px;
}


.radio-group form { width: 100%; }


.form-row{
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem; 
  margin-bottom: 1rem;
}

@media (max-width: 780px){
  .form-row{
    grid-template-columns: 1fr; 
  }
}


.form-group { margin-bottom: 1rem; }

.form-group label {
  display: block;
  font-size: 0.96rem;
  font-weight: 700;
  margin-bottom: 0.45rem;
  color: #000000;
  text-align: left;
}


.form-group input,
.form-group select {
  display: block;
  width: 100%;
  padding: 0.78rem 0.9rem;
  font-size: 0.95rem;
  border: 2px solid #D3D3D3;        /* bordure renforcée */
  border-radius: 0.65rem;
  outline: none;
  background-color: #FFFFFF;            /* fond opaque */
  color: #000000;
  transition: border-color .2s ease, box-shadow .2s ease, transform .08s ease;
  box-shadow: 0 1px 0 rgba(2, 6, 23, .02) inset;
}

.form-group input:focus,
.form-group select:focus {
  border-color: #10367A;
  box-shadow: 0 0 0 3px rgba(16, 54, 122, .22);
}


#chauffage {
  border: 2px solid #000 !important;
}


.radio-group {
  display: flex;
  gap: 0.85rem;
  align-items: center;
  flex-wrap: wrap;
  padding-top: 0.15rem;
}

.radio-group label {
  font-weight: 600;
  color: #000000;
  display: inline-flex;
  align-items: center;
  font-size: 0.95rem;
  border: 2px solid #D3D3D3;
  background: #FFFFFF;
  padding: 0.55rem 0.85rem;
  border-radius: 999px;
  transition: border-color .2s ease, box-shadow .2s ease, transform .08s ease;
  cursor: pointer;
}

.radio-group input[type="radio"] {
  margin-right: 0.45rem;
  accent-color: #10367A;
}

.radio-group label:hover{
  border-color: #64748b;
  box-shadow: 0 0 0 3px rgba(100, 116, 139, .18);
  transform: translateY(-1px);
}


.form-footer {
  text-align: center;
  margin-top: 1.6rem;
}

.form-footer button {
  background: linear-gradient(90deg, #10367A, #10367A);
  color: #FFFFFF;
  font-weight: 800;
  font-size: 1rem;
  padding: 0.9rem 2rem;
  border: none;
  border-radius: 9999px;
  cursor: pointer;
  box-shadow: 0 16px 36px rgba(16, 54, 122, .30);
  transition: transform .14s ease, box-shadow .2s ease, filter .2s ease;
}

.form-footer button:hover {
  transform: translateY(-2px);
  filter: saturate(1.05);
  box-shadow: 0 22px 44px rgba(16, 54, 122, .34);
}

.form-footer button:active {
  transform: translateY(0);
}

.form-footer .form-note{
  margin-top: 10px;
  color:#64748b;
  font-size:.88rem;
}

.radio-group{
  display: grid;              
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: .6rem;
  padding-top: .15rem;
}
@media (max-width: 900px){
  .radio-group{ grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
@media (max-width: 520px){
  .radio-group{ grid-template-columns: 1fr; }
}


.radio-group label{
  display: flex;                
  width: 100%;
  align-items: center;
  justify-content: flex-start;
  gap: .65rem;
  padding: .85rem 1rem;         
  border-radius: 12px;
  font-size: 1rem;
  line-height: 1.3;
  white-space: normal;        
  -webkit-tap-highlight-color: transparent;
}

.radio-group input[type="radio"]{
  transform: scale(1.18);
  margin-right: .65rem;
  min-width: 18px;              
}


.radio-group label:has(input:checked){
  border-color: #10367A;
  background: linear-gradient(180deg, #eef4ff, #fff);
  box-shadow: 0 0 0 4px rgba(16, 54, 122,.18);
}


.radio-group label:has(input:focus-visible){
  outline: 2px solid #10367A;
  outline-offset: 2px;
}


@media (max-width: 520px){
  .radio-group label:hover{ transform:none; box-shadow:none; }
}


@media (min-width: 901px){
  .radio-group.compact{ grid-template-columns: repeat(4, minmax(0, 1fr)); }
}


.form-group .radio-group label{
  margin: 0;               
  font-weight: 600;        
  text-align: left;        
}


.form-group .radio-group{
  display: grid;                   
  grid-template-columns: 1fr;     
  gap: .7rem;
  padding-top: .15rem;
}


@media (min-width: 640px){
  .form-group .radio-group{
    grid-template-columns: repeat(2, 1fr);
  }
}


.form-group .radio-group label{
  display: grid;                   
  grid-template-columns: 22px 1fr; 
  align-items: center;
  gap: .65rem;
  width: 100%;
  padding: .9rem 1rem;
  border-radius: 12px;
  border: 2px solid #D3D3D3;
  background: #FFFFFF;
  cursor: pointer;
  transition: border-color .2s ease, box-shadow .2s ease, background .2s ease;
}


.form-group .radio-group input[type="radio"]{
  margin: 0;                
  width: 18px; height: 18px;
  justify-self: start;      
  accent-color: #10367A;    
}


.form-group .radio-group label:hover{
  border-color: #64748b;
  box-shadow: 0 0 0 3px rgba(100,116,139,.18);
}
.form-group .radio-group label:has(input:checked){
  border-color: #10367A;
  background: linear-gradient(180deg, #eef4ff, #fff);
  box-shadow: 0 0 0 4px rgba(16, 54, 122,.20);
}


.form-group .radio-group label{ -webkit-tap-highlight-color: transparent; }