/* Spinner elegante */
#solicitar-spinner {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background: rgba(255,255,255,0.7);
  z-index: 9999;
  align-items: center;
  justify-content: center;
}
.spinner {
  border: 6px solid #e0e0e0;
  border-top: 6px solid var(--verde);
  border-radius: 50%;
  width: 60px;
  height: 60px;
  animation: spin 1s linear infinite;
}
@keyframes spin {
  0% { transform: rotate(0deg); }
  100% { transform: rotate(360deg); }
}
:root{
  --verde:#2f7d32;
  --verde-claro:#eef6ee;
  --gris:#555;
  --borde:#dcdcdc;
}

*{box-sizing:border-box;font-family:'Inter',sans-serif}

body{
  background:#f6f7f6;
  padding:40px;
}

.form-wrapper{
  max-width:1000px;
  margin:auto;
  background:#fff;
  border-radius:16px;
  padding:45px;
}

h2{font-size:24px;margin-bottom:25px}
h3{margin:25px 0 10px;font-size:18px}

label{
  font-size:15px;
  font-weight:500;
  color:var(--gris);
  margin-bottom:6px;
  display:block;
}

input, select, textarea{
  width:100%;
  padding:16px 14px;
  border:1px solid var(--borde);
  border-radius:10px;
  font-size:16px;
}

textarea{resize:vertical}

.step{display:none}
.step.active{display:block}

.grid{
  display:grid;
  grid-template-columns:repeat(auto-fit,minmax(320px,1fr));
  gap:24px;
}

.plan-box{
  border:1px solid var(--borde);
  padding:30px;
  border-radius:12px;
  cursor:pointer;
  text-align:center;
  font-size:17px;
}

.plan-box.active{
  border-color:var(--verde);
  background:var(--verde-claro);
}

.buttons{
  display:flex;
  justify-content:space-between;
  margin-top:45px;
}

button{
  background:var(--verde);
  color:#fff;
  border:none;
  padding:15px 36px;
  border-radius:10px;
  font-size:16px;
  cursor:pointer;
}

/* Teléfono */
.phone-grid{
  display:grid;
  grid-template-columns:150px 1fr;
  gap:12px;
}

/* Productos */
.product-card{
  border:1px solid var(--borde);
  border-radius:16px;
  padding:30px;
  margin-bottom:35px;
}

/* Categoría seleccionada */
.selected-category{
  margin-top:6px;
  font-size:14px;
  color:var(--verde);
}

/* Fotos */
.files-grid{
  display:grid;
  grid-template-columns:repeat(5,1fr);
  gap:12px;
}

.file-box{
  border:1px dashed var(--borde);
  height:95px;
  border-radius:10px;
  display:flex;
  align-items:center;
  justify-content:center;
  font-size:13px;
  position:relative;
  color:#777;
  transition:all .2s ease;
}

.file-box.loaded{
  background:var(--verde-claro);
  border-color:var(--verde);
  color:var(--verde);
  font-weight:500;
}

.file-box input{
  opacity:0;
  position:absolute;
  inset:0;
  cursor:pointer;
}

/* Condiciones comerciales */
.check-grid{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:14px 24px;
  margin-top:18px;
}

.check-grid label{
  display:flex;
  align-items:center;
  gap:10px;
  font-size:16px;
  cursor:pointer;
}

.check-grid input{
  width:18px;
  height:18px;
}

.success{
  text-align:center;
  padding:70px 20px;
}

.success h2{
  color:var(--verde);
  margin-bottom:10px;
}
/* =========================
   RESPONSIVE MOBILE
========================= */
@media (max-width: 768px){

  body{
    padding:20px;
  }

  .form-wrapper{
    padding:25px 20px;
    border-radius:12px;
  }

  h2{
    font-size:20px;
  }

  h3{
    font-size:16px;
  }

  /* Grids generales */
  .grid{
    grid-template-columns:1fr;
    gap:18px;
  }

  /* Planes */
  .grid .plan-box{
    padding:22px;
    font-size:16px;
  }

  .grid{
    grid-template-columns:1fr;
  }

  /* Teléfono */
  .phone-grid{
    grid-template-columns:1fr;
  }

  /* Productos */
  .product-card{
    padding:22px;
  }

  /* Condiciones comerciales */
  .check-grid{
    grid-template-columns:1fr;
    gap:12px;
  }

  .check-grid label{
    font-size:15px;
  }

  /* Fotos */
  .files-grid{
    grid-template-columns:repeat(3,1fr);
  }

  .file-box{
    height:80px;
    font-size:12px;
  }

  /* Botones */
  .buttons{
    flex-direction:column;
    gap:15px;
  }

  button{
    width:100%;
    padding:16px;
    font-size:16px;
  }

  /* Success */
  .success{
    padding:40px 15px;
  }
}

/* MOBILE CHICO */
@media (max-width: 480px){

  .files-grid{
    grid-template-columns:repeat(2,1fr);
  }

  label{
    font-size:14px;
  }

  input, select, textarea{
    font-size:15px;
    padding:14px;
  }
}
/* Steps solo HTML */
input[name="step"] ~ .step { display: none; }
#step-plan:checked ~ form #step-plan-content,
#step-datos:checked ~ form #step-datos-content,
#step-productos:checked ~ form #step-productos-content,
#step-exito:checked ~ form #step-exito-content {
  display: block;
}

/* Botón label como botón */
.button {
  background: var(--verde);
  color: #fff;
  border: none;
  padding: 15px 36px;
  border-radius: 10px;
  font-size: 16px;
  cursor: pointer;
  text-align: center;
  display: inline-block;
}

/* Plan-box seleccionado visual */
.plan-box input[type="radio"]:checked + span,
.plan-box input[type="radio"]:checked {
  border-color: var(--verde);
  background: var(--verde-claro);
}
.plan-box input[type="radio"]:checked ~ .plan-box {
  border-color: var(--verde);
  background: var(--verde-claro);
}