/* Estilos Globais */
:root {
  --primary: #0056b3;
  --primary-dark: #004494;
  --secondary: #f8f9fa;
  --secondary-dark: #e9ecef;
  --text: #333333;
  --text-light: #6c757d;
  --white: #ffffff;
  --success: #28a745;
  --warning: #ffc107;
  --danger: #dc3545;
  --light: #f8f9fa;
  --dark: #343a40;
  --max-width: 1200px;
}

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

body {
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  line-height: 1.6;
  color: var(--text);
  background-color: var(--white);
}

a {
  text-decoration: none;
  color: var(--primary);
}

img {
  max-width: 100%;
  height: auto;
}

.container {
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 20px;
}

/* Cabeçalho */
header {
  background-color: var(--primary);
  color: var(--white);
  box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
  position: sticky;
  top: 0;
  z-index: 100;
}

.header-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1rem 0;
}

.logo {
  font-size: 1.5rem;
  font-weight: bold;
}

.logo a {
  color: var(--white);
}

nav ul {
  display: flex;
  list-style: none;
}

nav ul li {
  margin-left: 1.5rem;
}

nav ul li a {
  color: var(--white);
  transition: color 0.3s;
}

nav ul li a:hover {
  color: var(--secondary);
}

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

/* Seção Hero */
.hero {
  background-color: var(--primary);
  color: var(--white);
  padding: 4rem 0;
  position: relative;
  overflow: hidden;
}

.hero-bg {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  opacity: 0.2;
  object-fit: cover;
}

.hero-content {
  position: relative;
  z-index: 1;
  max-width: 800px;
}

.hero h1 {
  font-size: 2.5rem;
  margin-bottom: 1rem;
}

.hero p {
  font-size: 1.25rem;
  margin-bottom: 2rem;
}

.btn-group {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
}

/* Botões */
.btn {
  display: inline-block;
  padding: 0.75rem 1.5rem;
  border-radius: 4px;
  font-weight: 600;
  text-align: center;
  cursor: pointer;
  transition: all 0.3s;
}

.btn-primary {
  background-color: var(--primary);
  color: var(--white);
  border: 2px solid var(--primary);
}

.btn-primary:hover {
  background-color: var(--primary-dark);
  border-color: var(--primary-dark);
}

.btn-secondary {
  background-color: var(--white);
  color: var(--primary);
  border: 2px solid var(--white);
}

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

.btn-outline {
  background-color: transparent;
  color: var(--primary);
  border: 2px solid var(--primary);
}

.btn-outline:hover {
  background-color: var(--primary);
  color: var(--white);
}

/* Seções */
section {
  padding: 4rem 0;
}

.section-title {
  font-size: 2rem;
  margin-bottom: 2rem;
  text-align: center;
  position: relative;
}

.section-title:after {
  content: '';
  display: block;
  width: 50px;
  height: 3px;
  background-color: var(--primary);
  margin: 0.5rem auto 0;
}

.section-subtitle {
  font-size: 1.5rem;
  margin-bottom: 1rem;
  color: var(--primary);
}

.bg-light {
  background-color: var(--light);
}

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

/* Cards */
.card {
  background-color: var(--white);
  border-radius: 8px;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
  overflow: hidden;
  transition: transform 0.3s, box-shadow 0.3s;
}

.card:hover {
  transform: translateY(-5px);
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
}

.card-img {
  height: 200px;
  overflow: hidden;
  position: relative;
}

.card-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.card-body {
  padding: 1.5rem;
}

.card-title {
  font-size: 1.25rem;
  margin-bottom: 0.5rem;
}

.card-text {
  color: var(--text-light);
  margin-bottom: 1rem;
}

/* Grid */
.grid {
  display: grid;
  gap: 2rem;
}

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

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

.grid-4 {
  grid-template-columns: repeat(4, 1fr);
}

/* Flexbox */
.flex {
  display: flex;
}

.flex-col {
  flex-direction: column;
}

.items-center {
  align-items: center;
}

.justify-between {
  justify-content: space-between;
}

.gap-4 {
  gap: 1rem;
}

.gap-8 {
  gap: 2rem;
}

/* Espaçamento */
.mt-2 {
  margin-top: 0.5rem;
}

.mt-4 {
  margin-top: 1rem;
}

.mt-8 {
  margin-top: 2rem;
}

.mb-2 {
  margin-bottom: 0.5rem;
}

.mb-4 {
  margin-bottom: 1rem;
}

.mb-8 {
  margin-bottom: 2rem;
}

.py-2 {
  padding-top: 0.5rem;
  padding-bottom: 0.5rem;
}

.py-4 {
  padding-top: 1rem;
  padding-bottom: 1rem;
}

.py-8 {
  padding-top: 2rem;
  padding-bottom: 2rem;
}

.px-4 {
  padding-left: 1rem;
  padding-right: 1rem;
}

/* Formulários */
.form-group {
  margin-bottom: 1.5rem;
}

.form-label {
  display: block;
  margin-bottom: 0.5rem;
  font-weight: 600;
}

.form-control {
  width: 100%;
  padding: 0.75rem;
  border: 1px solid #ddd;
  border-radius: 4px;
  font-size: 1rem;
}

.form-control:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 2px rgba(0, 86, 179, 0.2);
}

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

/* Alertas */
.alert {
  padding: 1rem;
  border-radius: 4px;
  margin-bottom: 1rem;
}

.alert-info {
  background-color: #e6f7ff;
  border-left: 4px solid #1890ff;
  color: #0c63e4;
}

.alert-warning {
  background-color: #fffbe6;
  border-left: 4px solid #faad14;
  color: #d97706;
}

/* Rodapé */
footer {
  background-color: var(--dark);
  color: var(--white);
  padding: 3rem 0 1.5rem;
}

.footer-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 2rem;
  margin-bottom: 2rem;
}

.footer-title {
  font-size: 1.25rem;
  margin-bottom: 1rem;
  color: var(--white);
}

.footer-links {
  list-style: none;
}

.footer-links li {
  margin-bottom: 0.5rem;
}

.footer-links a {
  color: #adb5bd;
  transition: color 0.3s;
}

.footer-links a:hover {
  color: var(--white);
}

.footer-bottom {
  text-align: center;
  padding-top: 1.5rem;
  border-top: 1px solid #495057;
  color: #adb5bd;
}

/* Responsividade */
@media (max-width: 992px) {
  .grid-3, .grid-4 {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  .mobile-menu-btn {
    display: block;
  }

  nav {
    position: fixed;
    top: 0;
    right: -300px;
    width: 300px;
    height: 100vh;
    background-color: var(--primary);
    transition: right 0.3s;
    padding: 2rem;
    z-index: 1000;
  }

  nav.active {
    right: 0;
  }

  nav ul {
    flex-direction: column;
  }

  nav ul li {
    margin: 1rem 0;
  }

  .grid-2, .grid-3, .grid-4 {
    grid-template-columns: 1fr;
  }

  .hero h1 {
    font-size: 2rem;
  }

  .hero p {
    font-size: 1rem;
  }

  .btn-group {
    flex-direction: column;
  }

  .btn {
    width: 100%;
  }
}

@media (max-width: 576px) {
  .section-title {
    font-size: 1.75rem;
  }

  .section-subtitle {
    font-size: 1.25rem;
  }
}