/* ===== SEÇÃO CALCULADORA 

.calculadora-section {
  background: linear-gradient(135deg, var(--azul-gelo) 0%, var(--branco-neve) 50%, var(--azul-gelo) 100%);
  position: relative;
}

.calculadora-section::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 200 200"><defs><linearGradient id="calc-grad" x1="0%" y1="0%" x2="100%" y2="100%"><stop offset="0%" stop-color="%23538BE1" stop-opacity="0.1"/><stop offset="100%" stop-color="%23A4D5F8" stop-opacity="0.05"/></linearGradient></defs><circle cx="50" cy="50" r="30" fill="url(%23calc-grad)"/><circle cx="150" cy="150" r="40" fill="url(%23calc-grad)"/><circle cx="150" cy="50" r="25" fill="url(%23calc-grad)"/><circle cx="50" cy="150" r="35" fill="url(%23calc-grad)"/></svg>');
  background-size: 400px 400px;
  animation: float 20s ease-in-out infinite;
  z-index: 1;
}

.calculadora-section .container {
  position: relative;
  z-index: 2;
}

.calculadora-card {
  background: white;
  padding: var(--spacing-3xl);
  border-radius: var(--border-radius-2xl);
  box-shadow: var(--shadow-2xl);
  border: 1px solid var(--cinza-claro);
  position: relative;
  overflow: hidden;
}

.calculadora-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: var(--gradiente-azul);
  z-index: 1;
}

.calculadora-card form {
  position: relative;
  z-index: 2;
}

/* Estilização dos campos do formulário 
.form-label {
  font-weight: var(--font-semibold);
  color: var(--preto-profundo);
  margin-bottom: var(--spacing-sm);
  font-size: var(--font-base);
}

.form-select,
.form-control {
  border: 2px solid var(--cinza-claro);
  border-radius: var(--border-radius-lg);
  padding: var(--spacing-md);
  font-size: var(--font-base);
  transition: var(--transition-normal);
  background: var(--branco-neve);
}

.form-select:focus,
.form-control:focus {
  border-color: var(--azul-principal);
  box-shadow: 0 0 0 0.2rem rgba(83, 139, 225, 0.25);
  outline: none;
  background: white;
}

.form-select:hover,
.form-control:hover {
  border-color: var(--azul-secundario);
}

/* Botão de calcular personalizado 
.calculadora-card .btn-primary {
  background: var(--gradiente-azul);
  border: none;
  padding: var(--spacing-lg) var(--spacing-2xl);
  font-size: var(--font-lg);
  font-weight: var(--font-bold);
  border-radius: var(--border-radius-lg);
  transition: var(--transition-normal);
  position: relative;
  overflow: hidden;
}

.calculadora-card .btn-primary::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.3), transparent);
  transition: var(--transition-normal);
}

.calculadora-card .btn-primary:hover::before {
  left: 100%;
}

.calculadora-card .btn-primary:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-xl);
}

/* Resultado do orçamento 
.resultado-orcamento {
  margin-top: var(--spacing-xl);
  animation: slideInUp 0.5s ease-out;
}

.resultado-orcamento .alert {
  border: none;
  border-radius: var(--border-radius-xl);
  padding: var(--spacing-xl);
  background: linear-gradient(135deg, #d4edda 0%, #c3e6cb 100%);
  border-left: 4px solid var(--verde-sucesso);
  position: relative;
  overflow: hidden;
}

.resultado-orcamento .alert::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><circle cx="20" cy="20" r="2" fill="%2328a745" opacity="0.1"/><circle cx="80" cy="30" r="1.5" fill="%2328a745" opacity="0.1"/><circle cx="30" cy="70" r="1" fill="%2328a745" opacity="0.1"/><circle cx="70" cy="80" r="2.5" fill="%2328a745" opacity="0.1"/></svg>');
  background-size: 50px 50px;
  z-index: 1;
}

.resultado-orcamento .alert > * {
  position: relative;
  z-index: 2;
}

.resultado-orcamento h4 {
  color: var(--verde-sucesso);
  font-weight: var(--font-bold);
  margin-bottom: var(--spacing-md);
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
}

.resultado-orcamento h4 i {
  font-size: var(--font-xl);
}

#valorEstimado {
  font-size: var(--font-2xl);
  font-weight: var(--font-extrabold);
  color: var(--verde-sucesso);
}

.resultado-orcamento .btn-success {
  background: var(--verde-sucesso);
  border: none;
  padding: var(--spacing-md) var(--spacing-xl);
  border-radius: var(--border-radius-lg);
  font-weight: var(--font-semibold);
  transition: var(--transition-normal);
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-sm);
}

.resultado-orcamento .btn-success:hover {
  background: #218838;
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

.resultado-orcamento .btn-success i {
  font-size: var(--font-lg);
  animation: var(--animation-pulse);
}

/* Ícones nos campos 
.form-group {
  position: relative;
}

.form-group::before {
  content: '';
  position: absolute;
  top: 0;
  right: var(--spacing-md);
  width: 20px;
  height: 20px;
  background: var(--azul-principal);
  opacity: 0.1;
  border-radius: 50%;
  transform: translateY(50%);
  z-index: 1;
}

/* Animação de loading no botão 
.btn-loading {
  position: relative;
  pointer-events: none;
}

.btn-loading::after {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 20px;
  height: 20px;
  margin: -10px 0 0 -10px;
  border: 2px solid transparent;
  border-top: 2px solid white;
  border-radius: 50%;
  animation: spin 1s linear infinite;
}

/* Responsividade da Calculadora 
@media (max-width: 768px) {
  .calculadora-card {
    padding: var(--spacing-2xl);
  }
  
  .form-select,
  .form-control {
    padding: var(--spacing-sm);
    font-size: var(--font-sm);
  }
  
  .calculadora-card .btn-primary {
    padding: var(--spacing-md) var(--spacing-xl);
    font-size: var(--font-base);
  }
  
  #valorEstimado {
    font-size: var(--font-xl);
  }
}

@media (max-width: 480px) {
  .calculadora-card {
    padding: var(--spacing-xl);
  }
  
  .form-label {
    font-size: var(--font-sm);
  }
  
  .resultado-orcamento .alert {
    padding: var(--spacing-lg);
  }
  
  .resultado-orcamento h4 {
    font-size: var(--font-lg);
  }
  
  #valorEstimado {
    font-size: var(--font-lg);
  }
}

===== */