/* Reset e Base */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

:root {
  --color-primary: #1b4d2e;
  --color-primary-light: #2d6a42;
  --color-primary-darker: #0d2e1b;
  --color-secondary: #6c757d;
  --color-accent: #d4af37;
  --color-white: #ffffff;
  --color-light-gray: #f8f9fa;
  --color-gray: #e9ecef;
  --color-dark-gray: #495057;
  --color-text: #212529;
  --color-border: #dee2e6;
  --font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --spacing-xs: 0.5rem;
  --spacing-sm: 1rem;
  --spacing-md: 1.5rem;
  --spacing-lg: 2rem;
  --spacing-xl: 3rem;
  --shadow-sm: 0 0.125rem 0.25rem rgba(0, 0, 0, 0.075);
  --shadow-md: 0 0.5rem 1rem rgba(0, 0, 0, 0.15);
  --shadow-lg: 0 1rem 3rem rgba(0, 0, 0, 0.175);
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-family);
  font-size: 1rem;
  line-height: 1.6;
  color: var(--color-text);
  background-color: var(--color-white);
}

/* Header */
header {
  background-color: var(--color-primary);
  color: var(--color-white);
  padding: var(--spacing-md) 0;
  box-shadow: var(--shadow-sm);
  position: sticky;
  top: 0;
  z-index: 100;
}

.header-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--spacing-md);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logo {
  font-size: 1.5rem;
  font-weight: 700;
  letter-spacing: 0.5px;
  text-decoration: none;
  color: var(--color-white);
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
}

.logo::before {
  content: "🎖️";
  font-size: 1.8rem;
}

.nav-toggle {
  display: none;
  background: none;
  border: none;
  color: var(--color-white);
  font-size: 1.5rem;
  cursor: pointer;
}

nav ul {
  list-style: none;
  display: flex;
  gap: var(--spacing-lg);
}

nav a {
  color: var(--color-white);
  text-decoration: none;
  font-weight: 500;
  transition: color 0.3s ease;
  font-size: 0.95rem;
}

nav a:hover {
  color: var(--color-accent);
}

/* Alerta de Transparência */
.banner-alerta {
  background-color: #f8f9fa;
  border-bottom: 3px solid var(--color-primary);
  padding: var(--spacing-md) 0;
}

.banner-alerta-content {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--spacing-md);
  font-size: 0.9rem;
  color: var(--color-dark-gray);
  text-align: center;
}

.banner-alerta-content strong {
  color: var(--color-primary);
}

/* Main Content */
main {
  max-width: 1200px;
  margin: 0 auto;
  padding: var(--spacing-lg) var(--spacing-md);
}

/* Seções */
section {
  margin-bottom: var(--spacing-xl);
}

.section-title {
  font-size: 2rem;
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: var(--spacing-lg);
  padding-bottom: var(--spacing-md);
  border-bottom: 2px solid var(--color-gray);
}

.section-subtitle {
  font-size: 1.5rem;
  font-weight: 600;
  color: var(--color-primary);
  margin-top: var(--spacing-lg);
  margin-bottom: var(--spacing-md);
}

/* Hero */
.hero {
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-light) 100%);
  color: var(--color-white);
  padding: var(--spacing-xl) var(--spacing-md);
  text-align: center;
  margin: -var(--spacing-lg) -var(--spacing-md) var(--spacing-xl);
}

.hero h1 {
  font-size: 2.5rem;
  font-weight: 700;
  margin-bottom: var(--spacing-md);
  line-height: 1.2;
}

.hero p {
  font-size: 1.2rem;
  margin-bottom: var(--spacing-lg);
  opacity: 0.95;
}

/* Cards */
.cards-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--spacing-lg);
  margin: var(--spacing-lg) 0;
}

.card {
  background-color: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: 8px;
  padding: var(--spacing-lg);
  transition: all 0.3s ease;
  box-shadow: var(--shadow-sm);
}

.card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-4px);
}

.card-icon {
  font-size: 2.5rem;
  margin-bottom: var(--spacing-md);
}

.card h3 {
  color: var(--color-primary);
  margin-bottom: var(--spacing-sm);
  font-size: 1.2rem;
}

.card p {
  color: var(--color-dark-gray);
  font-size: 0.95rem;
  line-height: 1.6;
}

/* Conteúdo Estruturado */
.content-block {
  background-color: var(--color-light-gray);
  padding: var(--spacing-lg);
  border-radius: 8px;
  border-left: 4px solid var(--color-primary);
  margin: var(--spacing-lg) 0;
}

.content-block h3 {
  color: var(--color-primary);
  margin-bottom: var(--spacing-sm);
}

.content-block p {
  color: var(--color-dark-gray);
  line-height: 1.8;
}

/* Listas */
ul, ol {
  margin-left: var(--spacing-lg);
  margin-bottom: var(--spacing-md);
}

li {
  margin-bottom: var(--spacing-sm);
  line-height: 1.8;
}

/* Tabelas */
table {
  width: 100%;
  border-collapse: collapse;
  margin: var(--spacing-lg) 0;
  box-shadow: var(--shadow-sm);
  border-radius: 8px;
  overflow: hidden;
}

thead {
  background-color: var(--color-primary);
  color: var(--color-white);
}

th, td {
  padding: var(--spacing-sm) var(--spacing-md);
  text-align: left;
  border-bottom: 1px solid var(--color-border);
}

tbody tr:nth-child(even) {
  background-color: var(--color-light-gray);
}

tbody tr:hover {
  background-color: var(--color-gray);
}

/* Botões */
.btn {
  display: inline-block;
  padding: var(--spacing-sm) var(--spacing-lg);
  background-color: var(--color-primary);
  color: var(--color-white);
  text-decoration: none;
  border: none;
  border-radius: 4px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.3s ease;
  font-size: 1rem;
  text-align: center;
}

.btn:hover {
  background-color: var(--color-primary-darker);
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}

.btn-secondary {
  background-color: var(--color-secondary);
}

.btn-secondary:hover {
  background-color: #5a6268;
}

/* Formulários */
form {
  max-width: 600px;
  margin: var(--spacing-lg) 0;
}

.form-group {
  margin-bottom: var(--spacing-lg);
}

label {
  display: block;
  margin-bottom: var(--spacing-sm);
  color: var(--color-text);
  font-weight: 500;
}

input[type="text"],
input[type="email"],
input[type="tel"],
textarea,
select {
  width: 100%;
  padding: var(--spacing-sm);
  border: 1px solid var(--color-border);
  border-radius: 4px;
  font-family: var(--font-family);
  font-size: 1rem;
  transition: border-color 0.3s ease;
}

input[type="text"]:focus,
input[type="email"]:focus,
input[type="tel"]:focus,
textarea:focus,
select:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(27, 77, 46, 0.1);
}

textarea {
  resize: vertical;
  min-height: 150px;
}

.form-error {
  color: #dc3545;
  font-size: 0.875rem;
  margin-top: 0.25rem;
  display: none;
}

.form-error.show {
  display: block;
}

/* Artigos */
.article {
  background-color: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: 8px;
  padding: var(--spacing-lg);
  margin-bottom: var(--spacing-lg);
  transition: all 0.3s ease;
}

.article:hover {
  box-shadow: var(--shadow-md);
}

.article h2 {
  color: var(--color-primary);
  margin-bottom: var(--spacing-sm);
  font-size: 1.5rem;
}

.article-meta {
  font-size: 0.9rem;
  color: var(--color-secondary);
  margin-bottom: var(--spacing-md);
  display: flex;
  gap: var(--spacing-md);
}

.article-meta span {
  display: flex;
  align-items: center;
  gap: 0.25rem;
}

.article-excerpt {
  color: var(--color-dark-gray);
  line-height: 1.8;
  margin-bottom: var(--spacing-md);
}

.article-link {
  color: var(--color-primary);
  text-decoration: none;
  font-weight: 600;
  transition: color 0.3s ease;
}

.article-link:hover {
  color: var(--color-primary-darker);
  text-decoration: underline;
}

/* Footer */
footer {
  background-color: var(--color-primary-darker);
  color: var(--color-white);
  padding: var(--spacing-xl) var(--spacing-md);
  margin-top: var(--spacing-xl);
}

.footer-container {
  max-width: 1200px;
  margin: 0 auto;
}

.footer-content {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--spacing-lg);
  margin-bottom: var(--spacing-xl);
}

.footer-section h3 {
  margin-bottom: var(--spacing-md);
  font-size: 1.1rem;
}

.footer-section ul {
  list-style: none;
  margin-left: 0;
}

.footer-section a {
  color: rgba(255, 255, 255, 0.8);
  text-decoration: none;
  transition: color 0.3s ease;
  display: block;
  margin-bottom: var(--spacing-sm);
}

.footer-section a:hover {
  color: var(--color-accent);
  text-decoration: underline;
}

.footer-divider {
  border-top: 1px solid rgba(255, 255, 255, 0.2);
  margin: var(--spacing-lg) 0;
}

.footer-bottom {
  text-align: center;
  font-size: 0.9rem;
  color: rgba(255, 255, 255, 0.7);
}

/* Alerts */
.alert {
  padding: var(--spacing-md);
  margin: var(--spacing-lg) 0;
  border-radius: 4px;
  border-left: 4px solid;
}

.alert-info {
  background-color: #d1ecf1;
  border-color: #0c5460;
  color: #0c5460;
}

.alert-warning {
  background-color: #fff3cd;
  border-color: #856404;
  color: #856404;
}

.alert-success {
  background-color: #d4edda;
  border-color: #155724;
  color: #155724;
}

.alert-error {
  background-color: #f8d7da;
  border-color: #721c24;
  color: #721c24;
}

/* Responsive */
@media (max-width: 768px) {
  .header-container {
    flex-direction: column;
    gap: var(--spacing-md);
  }
  
  .nav-toggle {
    display: block;
  }
  
  nav {
    width: 100%;
    display: none;
  }
  
  nav.active {
    display: block;
  }
  
  nav ul {
    flex-direction: column;
    gap: var(--spacing-md);
    text-align: center;
  }
  
  .hero h1 {
    font-size: 1.8rem;
  }
  
  .hero p {
    font-size: 1rem;
  }
  
  .section-title {
    font-size: 1.5rem;
  }
  
  main {
    padding: var(--spacing-md);
  }
  
  .cards-grid {
    grid-template-columns: 1fr;
  }
  
  .footer-content {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 480px) {
  :root {
    font-size: 0.9rem;
  }
  
  .hero h1 {
    font-size: 1.5rem;
  }
  
  nav ul {
    gap: var(--spacing-sm);
  }
  
  .section-title {
    font-size: 1.3rem;
  }
}