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

body{
  background:#f5f5f5;
  font-family:Arial, sans-serif;
  color:#1f2937;
}

.hero{
  position:relative;
  height:260px;
  background:url('https://images.unsplash.com/photo-1529193591184-b1d58069ecdd?q=80&w=1600&auto=format&fit=crop');
  background-size:cover;
  background-position:center;
}

.overlay{
  position:absolute;
  inset:0;
  background:rgba(0,0,0,0.45);
}

.hero-content{
  position:relative;
  z-index:2;
  padding:40px 20px;
  top:90px;
}

.hero-content h1{
  color:white;
  font-size:42px;
  font-weight:900;
}

.hero-content p{
  color:#f3f4f6;
  margin-top:15px;
  max-width:600px;
  line-height:1.5;
}

.container{
  max-width:900px;
  margin:auto;
  padding:20px;
}

.form-card,
.card,
.checkout{
  background:white;
  border-radius:20px;
  padding:25px;
  margin-bottom:25px;
  box-shadow:0 4px 20px rgba(0,0,0,0.06);
}

.form-card h2{
  margin-bottom:20px;
}

.form-card input{
  width:100%;
  padding:16px;
  margin-bottom:15px;
  border:1px solid #d1d5db;
  border-radius:12px;
  font-size:16px;
}

.card-content h2{
  font-size:30px;
  margin-bottom:12px;
}

.descripcion{
  color:#4b5563;
  line-height:1.6;
}

.price{
  margin-top:18px;
  color:#c28b00;
  font-weight:700;
  font-size:24px;
}

.controls{
  display:flex;
  align-items:center;
  justify-content:center;
  gap:20px;
  margin-top:25px;
}

.controls button{
  width:50px;
  height:50px;
  border:none;
  border-radius:12px;
  background:#1f2937;
  color:white;
  font-size:28px;
  font-weight:900;
  cursor:pointer;
}

.controls span{
  font-size:28px;
  font-weight:800;
}

.total-box{
  display:flex;
  justify-content:space-between;
  align-items:center;
  font-size:30px;
  font-weight:900;
  margin-bottom:25px;
}

.whatsapp{
  width:100%;
  padding:22px;
  border:none;
  border-radius:18px;
  background:#1f2937;
  color:white;
  font-size:18px;
  font-weight:800;
  cursor:pointer;
}

.whatsapp:hover{
  opacity:0.92;
}