@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700&display=swap');

:root {
  --primary-dark: #2f3542;
  --primary-black: #11141a;
  --accent-blue: #0b57d0;
  --accent-blue-light: #e8f0fe;
  --accent-blue-text: #0056b3;
  --bg-light: #f8f9fa;
  --bg-card: #ffffff;
  --border-color: #e0e0e0;
  --text-dark: #2f3542;
  --text-muted: #747d8c;
  --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.08);
  --radius-md: 8px;
  --radius-lg: 12px;
  --font-main: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
}

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

body {
  font-family: var(--font-main);
  background-color: var(--bg-light);
  color: var(--text-dark);
  line-height: 1.6;
  font-size: 16px;
}

/* Container Principal */
.calculator-container {
  max-width: 1200px;
  margin: 2rem auto;
  padding: 0 1.5rem;
}

/* Breadcrumb */
.breadcrumb-nav {
  margin-bottom: 1.5rem;
}

.breadcrumb-list {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  font-size: 0.875rem;
  color: var(--text-muted);
}

.breadcrumb-item a {
  color: var(--accent-blue-text);
  text-decoration: none;
  transition: text-decoration 0.2s ease;
}

.breadcrumb-item a:hover {
  text-decoration: underline;
}

.breadcrumb-item + .breadcrumb-item::before {
  content: ">";
  padding-right: 0.5rem;
  color: var(--text-muted);
}

/* Menu de Navegação Visual */
.nav-menu-visual {
  background-color: var(--primary-dark);
  padding: 0.75rem 1.5rem;
  border-radius: var(--radius-md);
  margin-bottom: 2rem;
  color: #ffffff;
  display: flex;
  align-items: center;
  font-size: 0.9rem;
}

.nav-menu-visual a {
  color: #ffffff;
  text-decoration: none;
  font-weight: 500;
}

.nav-menu-visual span {
  margin: 0 0.5rem;
  color: var(--text-muted);
}

/* H1 Principal */
.main-title {
  font-size: 2.25rem;
  font-weight: 700;
  color: var(--primary-black);
  margin-bottom: 2rem;
  text-align: center;
}

/* Grid Principal da Calculadora (Layout em Coluna Única Centralizada) */
.calculator-grid {
  max-width: 800px;
  margin: 0 auto 3rem auto;
  display: flex;
  flex-direction: column;
  gap: 2rem;
}

/* Blocos Principais */
.calc-card {
  background-color: var(--bg-card);
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-color);
  padding: 1.75rem;
  box-shadow: var(--shadow-sm);
  display: flex;
  flex-direction: column;
}

/* Cabeçalhos de Seção */
.section-header {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 1.5rem;
}

.section-icon {
  background-color: var(--primary-dark);
  color: #ffffff;
  width: 36px;
  height: 36px;
  border-radius: 6px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.section-icon svg {
  width: 20px;
  height: 20px;
  fill: currentColor;
}

.section-title {
  font-size: 1.125rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--primary-black);
}

/* Formulário e Grid de Inputs */
.form-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.25rem;
}

@media (min-width: 640px) {
  .form-grid {
    grid-template-columns: 1fr 1fr;
  }
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.form-group-full {
  grid-column: 1 / -1;
}

label {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--primary-dark);
}

/* Input Group Visual */
.input-group {
  display: flex;
  align-items: stretch;
  border: 1.5px solid var(--border-color);
  border-radius: var(--radius-md);
  background-color: #ffffff;
  overflow: hidden;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
  min-height: 48px;
}

.input-group:focus-within {
  border-color: var(--accent-blue);
  box-shadow: 0 0 0 3px rgba(11, 87, 208, 0.15);
}

.input-addon {
  background-color: var(--bg-light);
  color: var(--text-muted);
  padding: 0 0.875rem;
  display: flex;
  align-items: center;
  font-weight: 500;
  border-right: 1px solid var(--border-color);
  user-select: none;
}

.input-group input {
  flex: 1;
  border: none;
  outline: none;
  padding: 0.75rem;
  font-family: inherit;
  font-size: 1rem;
  color: var(--text-dark);
  width: 100%;
}

.input-group select {
  border: none;
  outline: none;
  background-color: var(--bg-light);
  padding: 0 1rem;
  font-family: inherit;
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--text-dark);
  border-left: 1px solid var(--border-color);
  cursor: pointer;
  appearance: none;
  -webkit-appearance: none;
  background-image: url("data:image/svg+xml;charset=utf-8,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23747d8c' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 0.75rem center;
  background-size: 16px;
  padding-right: 2rem;
}

/* Botões de Ação */
.actions-container {
  grid-column: 1 / -1;
  display: flex;
  justify-content: flex-end;
  gap: 1rem;
  margin-top: 1rem;
}

.btn {
  font-family: inherit;
  font-size: 0.95rem;
  font-weight: 600;
  padding: 0.75rem 1.5rem;
  border-radius: var(--radius-md);
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  transition: all 0.2s ease;
  min-height: 48px;
}

.btn-outline {
  background-color: #ffffff;
  color: var(--primary-dark);
  border: 1.5px solid var(--primary-dark);
}

.btn-outline:hover {
  background-color: var(--bg-light);
  border-color: var(--primary-black);
}

.btn-primary {
  background-color: var(--primary-black);
  color: #ffffff;
  border: none;
}

.btn-primary:hover {
  background-color: #262c38;
}

.btn svg {
  width: 18px;
  height: 18px;
  fill: currentColor;
}

/* Cards de Resultados */
.results-wrapper {
  margin-bottom: 2rem;
}

.results-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1rem;
}

@media (min-width: 768px) {
  .results-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.result-card {
  background-color: var(--bg-light);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 1.25rem;
  text-align: center;
}

.result-card-title {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-muted);
  text-transform: uppercase;
  margin-bottom: 0.5rem;
  letter-spacing: 0.5px;
}

.result-card-value {
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--text-dark);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.result-card-value.highlight-blue {
  color: var(--accent-blue-text);
  font-size: 1.35rem;
}

/* Seção de Gráficos */
.chart-container-wrapper {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  min-height: 250px;
}

.chart-wrapper {
  position: relative;
  width: 250px;
  height: 250px;
  margin: 0 auto;
}

.chart-legend {
  margin-top: 1.5rem;
  display: flex;
  justify-content: center;
  gap: 1.5rem;
}

.legend-item {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.875rem;
  font-weight: 500;
}

.legend-color {
  width: 16px;
  height: 16px;
  border-radius: 4px;
}

.color-invested {
  background-color: var(--primary-dark);
}

.color-interest {
  background-color: var(--accent-blue);
}

/* Tabela Mês a Mês */
.table-section {
  grid-column: 1 / -1;
  margin-top: 1rem;
}

.table-responsive {
  width: 100%;
  overflow-x: auto;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  background-color: #ffffff;
  box-shadow: var(--shadow-sm);
}

.table-results {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
  font-size: 0.9375rem;
}

.table-results th {
  background-color: var(--primary-dark);
  color: #ffffff;
  font-weight: 600;
  padding: 1rem;
  font-size: 0.875rem;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.table-results td {
  padding: 0.875rem 1rem;
  border-bottom: 1px solid var(--border-color);
}

.table-results tbody tr:nth-child(even) {
  background-color: var(--bg-light);
}

.table-results tbody tr:hover {
  background-color: #f1f3f5;
}

.table-results tbody tr:last-child {
  font-weight: 700;
  background-color: var(--accent-blue-light);
}

/* Área de resultados e gráficos dinâmica (oculta inicialmente) */
.dynamic-results {
  display: none;
}

.dynamic-results.active {
  display: block;
}

/* Conteúdo Explicativo e SEO */
.seo-content-section {
  background-color: var(--bg-card);
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-color);
  padding: 2rem;
  margin-top: 2rem;
  box-shadow: var(--shadow-sm);
}

.seo-content-section h2 {
  font-size: 1.5rem;
  color: var(--primary-black);
  margin-top: 1.5rem;
  margin-bottom: 1rem;
  border-bottom: 2px solid var(--accent-blue-light);
  padding-bottom: 0.5rem;
}

.seo-content-section h2:first-of-type {
  margin-top: 0;
}

.seo-content-section p {
  margin-bottom: 1rem;
  color: var(--text-dark);
  font-size: 1rem;
}

.seo-content-section ul, 
.seo-content-section ol {
  margin-bottom: 1.25rem;
  padding-left: 1.5rem;
  color: var(--text-dark);
}

.seo-content-section li {
  margin-bottom: 0.5rem;
}

/* Fórmula estilizada */
.math-formula-box {
  background-color: var(--bg-light);
  border-left: 4px solid var(--accent-blue);
  padding: 1.25rem;
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
  margin: 1.5rem 0;
  font-family: monospace;
  font-size: 1.1rem;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.math-formula-box .formula {
  font-size: 1.35rem;
  font-weight: 700;
  color: var(--accent-blue-text);
  letter-spacing: 1px;
}

.math-formula-box .legend {
  font-family: var(--font-main);
  font-size: 0.875rem;
  color: var(--text-muted);
  line-height: 1.5;
}

/* FAQ Accordion */
.faq-accordion {
  margin-top: 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.faq-item {
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  background-color: var(--bg-card);
  overflow: hidden;
  transition: all 0.2s ease;
}

.faq-item[open] {
  box-shadow: var(--shadow-sm);
  border-color: var(--accent-blue);
}

.faq-item summary {
  padding: 1rem;
  font-weight: 600;
  font-size: 1rem;
  cursor: pointer;
  user-select: none;
  list-style: none;
  display: flex;
  justify-content: space-between;
  align-items: center;
  color: var(--primary-black);
}

.faq-item summary::-webkit-details-marker {
  display: none;
}

.faq-item summary::after {
  content: "+";
  font-size: 1.25rem;
  font-weight: bold;
  color: var(--text-muted);
  transition: transform 0.2s ease;
}

.faq-item[open] summary::after {
  content: "-";
  transform: rotate(180deg);
  color: var(--accent-blue);
}

.faq-item summary:hover {
  background-color: var(--bg-light);
}

.faq-content {
  padding: 1rem;
  border-top: 1px solid var(--border-color);
  background-color: var(--bg-card);
  color: var(--text-dark);
  font-size: 0.95rem;
}

/* Estilo do Rodapé */
.footer-calculator {
  text-align: center;
  margin-top: 3rem;
  padding: 1.5rem 0;
  border-top: 1px solid var(--border-color);
  color: var(--text-muted);
  font-size: 0.875rem;
}

.footer-calculator a {
  color: var(--accent-blue-text);
  text-decoration: none;
}

.footer-calculator a:hover {
  text-decoration: underline;
}

/* Área de Captura de E-mail / Lead Generation */
.lead-capture-box {
  background-color: var(--accent-blue-light);
  border: 1.5px dashed var(--accent-blue);
  border-radius: var(--radius-md);
  padding: 1.5rem;
  text-align: center;
  margin-top: 1.5rem;
  transition: all 0.3s ease;
}

.lead-capture-box.unlocked {
  display: none; /* Esconde a caixa de captura quando a tabela é liberada */
}

#lead-capture-message {
  font-weight: 600;
  color: var(--primary-dark);
  margin-bottom: 1rem;
  font-size: 1rem;
}

.lead-form {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  max-width: 650px;
  margin: 0.5rem auto 0 auto;
  width: 100%;
}

.lead-form input[type="text"],
.lead-form input[type="email"],
.lead-form button {
  height: 48px;
  box-sizing: border-box;
  margin: 0;
  line-height: normal;
}

.lead-form input[type="text"],
.lead-form input[type="email"] {
  width: 100%;
  padding: 0 1rem;
  border: 1.5px solid var(--border-color);
  border-radius: var(--radius-md);
  font-size: 0.95rem;
  outline: none;
  font-family: inherit;
  transition: border-color 0.2s ease, background-color 0.2s ease;
  background-color: #ffffff;
}

.lead-form input[type="text"]:focus,
.lead-form input[type="email"]:focus {
  border-color: var(--accent-blue);
}

.lead-form button {
  width: 100%;
  white-space: nowrap;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

@media (min-width: 768px) {
  .lead-form {
    flex-direction: row;
    gap: 0.5rem;
    align-items: center;
  }
  .lead-form input[type="text"],
  .lead-form input[type="email"] {
    flex: 1;
  }
  .lead-form button {
    width: auto;
    padding: 0 2rem;
    flex-shrink: 0;
  }
}

.lead-privacy {
  font-size: 0.75rem;
  color: var(--text-muted);
  margin-top: 0.75rem;
}

/* Ocultação de linhas adicionais da tabela */
.table-results tbody tr.hidden-row {
  display: none;
}

/* Banner de Mensagens de Erro */
.error-message-banner {
  display: none;
  background-color: #fee2e2;
  border: 1.5px solid #ef4444;
  color: #991b1b;
  padding: 1rem;
  border-radius: var(--radius-md);
  margin-bottom: 2rem;
  font-weight: 600;
  font-size: 0.95rem;
  max-width: 800px;
  margin-left: auto;
  margin-right: auto;
  text-align: center;
  box-shadow: var(--shadow-sm);
  transition: all 0.2s ease;
}

.error-message-banner.active {
  display: block;
}

/* Ajustes de Responsividade Mobile Premium (iPhone 8, 11+, Androids Novos) */
@media (max-width: 480px) {
  .calculator-container {
    padding: 0 0.75rem;
    margin: 1rem auto;
  }
  
  .main-title {
    font-size: 1.75rem;
    margin-bottom: 1.5rem;
  }
  
  .calc-card {
    padding: 1.25rem;
  }
  
  .section-title {
    font-size: 1rem;
  }
  
  .input-group {
    min-height: 44px;
  }
  
  .input-group input {
    padding: 0.6rem;
    font-size: 0.95rem;
  }
  
  .actions-container {
    flex-direction: column;
    align-items: stretch;
    gap: 0.75rem;
  }
  
  .actions-container .btn {
    width: 100%;
    min-height: 48px;
  }
  
  .results-grid {
    gap: 0.75rem;
  }
  
  .result-card {
    padding: 1rem;
  }
  
  .result-card-value {
    font-size: 1.15rem;
  }
  
  .result-card-value.highlight-blue {
    font-size: 1.25rem;
  }
  
  .chart-wrapper {
    width: 200px;
    height: 200px;
  }
  
  .table-results th, 
  .table-results td {
    padding: 0.75rem 0.5rem;
    font-size: 0.85rem;
  }
  
  .seo-content-section {
    padding: 1.25rem;
  }
  
  .seo-content-section h2 {
    font-size: 1.25rem;
  }
}