/* =============================================
   presupuesto.css — Estilos específicos de la
   página de Presupuesto (complementa styles.css)
============================================= */

/* ---- LAYOUT PRINCIPAL: dos columnas a pantalla completa ---- */
.presupuesto-main {
  display: grid;
  grid-template-columns: 420px 1fr;
  min-height: 100vh;
}

/* ---- COLUMNA IZQUIERDA (aside oscuro) ---- */
.presupuesto-aside {
  background: var(--negro);
  position: sticky;
  top: 0;
  height: 100vh;
  overflow-y: auto;
  padding: calc(var(--nav-h) + 48px) 48px 48px;
  display: flex;
  flex-direction: column;
}

/* Fondo decorativo */
.presupuesto-aside::before {
  content: '';
  position: fixed;
  top: 0;
  left: 0;
  width: 420px;
  height: 100vh;
  background:
    radial-gradient(ellipse at 80% 20%, rgba(44, 95, 46, 0.4) 0%, transparent 60%),
    radial-gradient(ellipse at 10% 80%, rgba(44, 95, 46, 0.2) 0%, transparent 50%);
  pointer-events: none;
  z-index: 0;
}

.aside-inner {
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: column;
  gap: 0;
}

.aside-title {
  font-family: var(--font-display);
  font-size: clamp(38px, 4vw, 56px);
  font-weight: 700;
  color: var(--blanco);
  line-height: 1.1;
  margin-top: 12px;
  margin-bottom: 20px;
}

.aside-title em {
  font-style: italic;
  color: rgba(255, 255, 255, 0.55);
}

.aside-desc {
  font-size: 15px;
  color: rgba(255, 255, 255, 0.65);
  line-height: 1.7;
  margin-bottom: 40px;
}

.aside-desc strong {
  color: var(--blanco);
  font-weight: 600;
}

/* Garantías */
.aside-garantias {
  display: flex;
  flex-direction: column;
  gap: 20px;
  margin-bottom: 40px;
  padding-bottom: 40px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.garantia-item {
  display: flex;
  align-items: flex-start;
  gap: 14px;
}

.garantia-icon {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-sm);
  background: rgba(44, 95, 46, 0.35);
  border: 1px solid rgba(44, 95, 46, 0.5);
  color: #6fcf72;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.garantia-item strong {
  display: block;
  font-size: 14px;
  font-weight: 600;
  color: var(--blanco);
  margin-bottom: 2px;
}

.garantia-item span {
  font-size: 13px;
  color: rgba(255, 255, 255, 0.5);
  line-height: 1.4;
}

/* Contacto directo */
.aside-contacto-directo {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.aside-contacto-directo p {
  font-size: 13px;
  color: rgba(255, 255, 255, 0.4);
  letter-spacing: 0.5px;
  text-transform: uppercase;
  font-weight: 500;
}

.btn-tel {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 16px;
  font-weight: 500;
  color: rgba(255, 255, 255, 0.7);
  transition: color var(--transition);
}

.btn-tel:hover { color: var(--blanco); }

/* ---- COLUMNA DERECHA (formulario) ---- */
.presupuesto-form-wrap {
  background: var(--beige);
  display: flex;
  align-items: flex-start;
  padding: calc(var(--nav-h) + 48px) 64px 64px;
  min-height: 100vh;
}

.form-card {
  background: var(--blanco);
  border-radius: var(--radius-xl);
  padding: 48px;
  width: 100%;
  max-width: 640px;
  box-shadow: var(--shadow-lg);
}

.form-header {
  margin-bottom: 32px;
}

.form-header h2 {
  font-family: var(--font-display);
  font-size: 30px;
  font-weight: 700;
  color: var(--negro);
  margin-bottom: 8px;
}

.form-header p {
  font-size: 15px;
  color: var(--gris);
}

/* ---- BARRA DE PROGRESO ---- */
.form-progress {
  margin-bottom: 36px;
}

.progress-steps {
  display: flex;
  align-items: center;
  gap: 0;
}

.progress-step {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  flex-shrink: 0;
}

.progress-step span {
  font-size: 12px;
  color: var(--gris-claro);
  font-weight: 500;
  white-space: nowrap;
  transition: color var(--transition);
}

.progress-step.active span,
.progress-step.done span {
  color: var(--verde);
}

.step-dot {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  border: 2px solid var(--beige-dark);
  background: var(--blanco);
  transition: var(--transition);
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
}

.progress-step.active .step-dot {
  border-color: var(--verde);
  background: var(--verde);
}

.progress-step.active .step-dot::after {
  content: '';
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--blanco);
}

.progress-step.done .step-dot {
  border-color: var(--verde);
  background: var(--verde);
}

.progress-step.done .step-dot::after {
  content: '✓';
  color: var(--blanco);
  font-size: 14px;
  font-weight: 700;
}

.progress-line {
  flex: 1;
  height: 2px;
  background: var(--beige-dark);
  margin: 0 8px;
  margin-bottom: 22px;
  transition: background var(--transition);
  min-width: 40px;
}

.progress-line.done {
  background: var(--verde);
}

/* ---- PASOS DEL FORMULARIO ---- */
.form-step {
  display: none;
  animation: fadeSlideIn 0.35s ease;
}

.form-step.active { display: block; }

@keyframes fadeSlideIn {
  from { opacity: 0; transform: translateX(16px); }
  to   { opacity: 1; transform: translateX(0); }
}

/* ---- CAMPOS ---- */
.form-group {
  margin-bottom: 20px;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

label {
  display: block;
  font-size: 14px;
  font-weight: 500;
  color: var(--negro);
  margin-bottom: 7px;
}

.required { color: var(--verde); }

input[type="text"],
input[type="tel"],
input[type="email"],
select,
textarea {
  width: 100%;
  padding: 12px 16px;
  border: 1.5px solid var(--beige-dark);
  border-radius: var(--radius-md);
  font-family: var(--font-body);
  font-size: 15px;
  color: var(--negro);
  background: var(--blanco);
  transition: border-color var(--transition), box-shadow var(--transition);
  appearance: none;
  outline: none;
}

input:focus,
select:focus,
textarea:focus {
  border-color: var(--verde);
  box-shadow: 0 0 0 3px rgba(44, 95, 46, 0.12);
}

input.error,
select.error,
textarea.error {
  border-color: #e24b4a;
  box-shadow: 0 0 0 3px rgba(226, 75, 74, 0.1);
}

select {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%238A8A87' stroke-width='2'%3E%3Cpolyline points='6 9 12 15 18 9'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 14px center;
  padding-right: 40px;
  cursor: pointer;
}

textarea {
  resize: vertical;
  min-height: 110px;
  line-height: 1.6;
}

.field-error {
  display: block;
  font-size: 12px;
  color: #e24b4a;
  margin-top: 5px;
  min-height: 16px;
}

.field-hint {
  display: block;
  font-size: 12px;
  color: var(--gris-claro);
  margin-top: 5px;
}

/* ---- RADIO CARDS (¿Tienes proyecto?) ---- */
.radio-group {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
  margin-top: 8px;
}

.radio-card {
  cursor: pointer;
}

.radio-card input[type="radio"] {
  position: absolute;
  opacity: 0;
  width: 0;
  height: 0;
}

.radio-content {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: 8px;
  padding: 20px 16px;
  border: 1.5px solid var(--beige-dark);
  border-radius: var(--radius-md);
  transition: var(--transition);
  background: var(--blanco);
}

.radio-card:hover .radio-content {
  border-color: var(--verde);
  background: var(--verde-fondo);
}

.radio-card input:checked + .radio-content {
  border-color: var(--verde);
  background: var(--verde-fondo);
  box-shadow: 0 0 0 3px rgba(44, 95, 46, 0.12);
}

.radio-icon {
  color: var(--verde);
}

.radio-content strong {
  font-size: 14px;
  font-weight: 600;
  color: var(--negro);
}

.radio-content span {
  font-size: 12px;
  color: var(--gris-claro);
}

/* ---- CHECKBOX CARDS (Aerotermia, etc.) ---- */
.checkbox-group {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
  margin-top: 8px;
}

.checkbox-card {
  cursor: pointer;
}

.checkbox-card input[type="checkbox"] {
  position: absolute;
  opacity: 0;
  width: 0;
  height: 0;
}

.checkbox-content {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: 6px;
  padding: 16px 10px;
  border: 1.5px solid var(--beige-dark);
  border-radius: var(--radius-md);
  transition: var(--transition);
  color: var(--gris);
  background: var(--blanco);
}

.checkbox-card:hover .checkbox-content {
  border-color: var(--verde);
  color: var(--verde);
  background: var(--verde-fondo);
}

.checkbox-card input:checked + .checkbox-content {
  border-color: var(--verde);
  background: var(--verde-fondo);
  color: var(--verde);
  box-shadow: 0 0 0 3px rgba(44, 95, 46, 0.1);
}

.checkbox-content strong {
  font-size: 13px;
  font-weight: 600;
  color: var(--negro);
}

.checkbox-content span {
  font-size: 11px;
  color: var(--gris-claro);
  line-height: 1.3;
}

/* ---- CHECKBOX INLINE (privacidad) ---- */
.checkbox-inline {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  cursor: pointer;
  font-size: 14px;
  color: var(--gris);
  line-height: 1.5;
}

.checkbox-inline input[type="checkbox"] {
  width: 18px;
  height: 18px;
  flex-shrink: 0;
  margin-top: 1px;
  accent-color: var(--verde);
  cursor: pointer;
}

.link-verde {
  color: var(--verde);
  text-decoration: underline;
  text-underline-offset: 2px;
}

/* ---- NAVEGACIÓN ENTRE PASOS ---- */
.form-nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-top: 28px;
  padding-top: 24px;
  border-top: 1px solid var(--beige-dark);
}

.btn-submit {
  gap: 10px;
}

/* ---- ÉXITO ---- */
.form-success {
  display: none;
  text-align: center;
  padding: 24px 0;
  animation: fadeSlideIn 0.5s ease;
}

.form-success.visible { display: block; }

.success-icon {
  width: 80px;
  height: 80px;
  border-radius: 50%;
  background: var(--verde-fondo);
  color: var(--verde);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 24px;
}

.form-success h3 {
  font-family: var(--font-display);
  font-size: 28px;
  font-weight: 700;
  color: var(--negro);
  margin-bottom: 12px;
}

.form-success p {
  font-size: 16px;
  color: var(--gris);
  line-height: 1.7;
  margin-bottom: 8px;
  max-width: 420px;
  margin-left: auto;
  margin-right: auto;
}

.success-sub {
  font-size: 14px !important;
  color: var(--gris-claro) !important;
}

.success-btns {
  display: flex;
  gap: 12px;
  justify-content: center;
  margin-top: 28px;
  flex-wrap: wrap;
}

/* ---- RESPONSIVE ---- */
@media (max-width: 1100px) {
  .presupuesto-aside { padding: calc(var(--nav-h) + 40px) 36px 40px; }
  .presupuesto-form-wrap { padding: calc(var(--nav-h) + 40px) 36px 40px; }
  .form-card { padding: 36px; }
}

@media (max-width: 900px) {
  .presupuesto-main { grid-template-columns: 1fr; }

  .presupuesto-aside {
    position: relative;
    height: auto;
    padding: calc(var(--nav-h) + 48px) 24px 48px;
  }
  .presupuesto-aside::before { width: 100%; }

  .presupuesto-form-wrap {
    padding: 40px 24px 64px;
    justify-content: center;
  }

  .form-card { max-width: 100%; }
  .checkbox-group { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 600px) {
  .form-row { grid-template-columns: 1fr; }
  .radio-group { grid-template-columns: 1fr 1fr; }
  .checkbox-group { grid-template-columns: 1fr; }
  .form-card { padding: 24px 20px; }
  .form-nav { flex-direction: column-reverse; gap: 10px; }
  .form-nav .btn { width: 100%; justify-content: center; }
}