.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:11px 20px;
  border-radius:var(--radius-sm);
  font-family:var(--font-body);
  font-weight:500;
  font-size:0.94rem;
  line-height:1.3;
  letter-spacing:var(--track-body);
  border:1px solid transparent;
  cursor:pointer;
  white-space:nowrap;
  transition:background-color .16s ease, color .16s ease, border-color .16s ease;
}
.btn-primary,.btn-amber{
  background:var(--green-cta);color:#fff;border-color:var(--green-cta);
  font-size:1.17rem;    
  font-weight:700;
  padding:13px 26px;
}
.btn-primary:hover,.btn-amber:hover{background:var(--green-cta-hover);border-color:var(--green-cta-hover);}
.btn-ghost{background:transparent;color:var(--ink);border-color:var(--line-strong);}
.btn-ghost:hover{border-color:var(--ink);}
.btn-sm{padding:9px 17px;font-size:0.9rem;font-weight:600;}
@media(max-width:900px){
  .btn{min-height:44px;}
  .btn-sm{min-height:44px;padding:10px 18px;}
}