/* Estilos Globais */
:root {
  --primary-blue: #005BBF;
  --secondary-blue: #0071AB;
  --light-blue: #0083BF;
  --accent-blue: #00A1E0;
  --dark-blue: #004080;
  --white: #ffffff;
  --light-gray: #f5f5f5;
  --medium-gray: #e0e0e0;
  --dark-gray: #333333;
  --text-color: #2c3e50;
  --shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
  --transition: all 0.3s ease;
}

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

body {
  font-family: 'Roboto', 'Segoe UI', Arial, sans-serif;
  line-height: 1.6;
  color: var(--text-color);
  background-color: var(--light-gray);
}

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

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

.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

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

.header-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 15px 0;
}

.logo {
  display: flex;
  align-items: center;
}

.logo img {
  height: 50px;
  margin-right: 10px;
}

.logo h1 {
  font-size: 1.8rem;
  color: var(--primary-blue);
  font-weight: 600;
}

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

nav ul li {
  margin-left: 25px;
}

nav ul li a {
  color: var(--dark-gray);
  font-weight: 500;
  padding: 5px 0;
  position: relative;
}

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

nav ul li a::after {
  content: '';
  position: absolute;
  width: 0;
  height: 2px;
  bottom: 0;
  left: 0;
  background-color: var(--primary-blue);
  transition: var(--transition);
}

nav ul li a:hover::after {
  width: 100%;
}

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

/* Hero Section */
.hero {
  background: linear-gradient(135deg, var(--primary-blue), var(--accent-blue));
  color: var(--white);
  padding: 80px 0;
  text-align: center;
}

.hero h2 {
  font-size: 2.5rem;
  margin-bottom: 20px;
  font-weight: 700;
}

.hero p {
  font-size: 1.2rem;
  max-width: 800px;
  margin: 0 auto 30px;
}

.search-container {
  max-width: 600px;
  margin: 0 auto;
  position: relative;
}

.search-container input {
  width: 100%;
  padding: 15px 20px;
  border: none;
  border-radius: 30px;
  font-size: 1rem;
  box-shadow: var(--shadow);
}

.search-container button {
  position: absolute;
  right: 5px;
  top: 5px;
  background-color: var(--primary-blue);
  color: var(--white);
  border: none;
  border-radius: 30px;
  padding: 10px 20px;
  cursor: pointer;
  transition: var(--transition);
}

.search-container button:hover {
  background-color: var(--dark-blue);
}

/* Categorias */
.categories {
  padding: 60px 0;
  background-color: var(--white);
}

.section-title {
  text-align: center;
  margin-bottom: 40px;
  color: var(--dark-gray);
  position: relative;
}

.section-title::after {
  content: '';
  display: block;
  width: 80px;
  height: 3px;
  background-color: var(--primary-blue);
  margin: 15px auto 0;
}

.categories-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 30px;
}

.category-card {
  background-color: var(--white);
  border-radius: 8px;
  overflow: hidden;
  box-shadow: var(--shadow);
  transition: var(--transition);
}

.category-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 10px 20px rgba(0, 0, 0, 0.15);
}

.category-icon {
  height: 150px;
  background-color: var(--light-blue);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--white);
  font-size: 3rem;
}

.category-content {
  padding: 20px;
}

.category-content h3 {
  margin-bottom: 10px;
  color: var(--primary-blue);
}

.category-content p {
  color: var(--text-color);
  margin-bottom: 15px;
}

.btn {
  display: inline-block;
  background-color: var(--primary-blue);
  color: var(--white);
  padding: 8px 20px;
  border-radius: 4px;
  transition: var(--transition);
}

.btn:hover {
  background-color: var(--dark-blue);
  color: var(--white);
}

/* Tutoriais Recentes */
.recent-tutorials {
  padding: 60px 0;
  background-color: var(--light-gray);
}

.tutorials-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 30px;
}

.tutorial-card {
  background-color: var(--white);
  border-radius: 8px;
  overflow: hidden;
  box-shadow: var(--shadow);
  transition: var(--transition);
}

.tutorial-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 10px 20px rgba(0, 0, 0, 0.15);
}

.tutorial-image {
  height: 180px;
  background-color: var(--medium-gray);
  background-size: cover;
  background-position: center;
}

.tutorial-content {
  padding: 20px;
}

.tutorial-content h3 {
  margin-bottom: 10px;
  color: var(--dark-gray);
}

.tutorial-content p {
  color: var(--text-color);
  margin-bottom: 15px;
}

.tutorial-meta {
  display: flex;
  justify-content: space-between;
  color: var(--dark-gray);
  font-size: 0.9rem;
  margin-top: 15px;
  padding-top: 15px;
  border-top: 1px solid var(--medium-gray);
}

/* Call to Action */
.cta {
  padding: 80px 0;
  background: linear-gradient(135deg, var(--secondary-blue), var(--primary-blue));
  color: var(--white);
  text-align: center;
}

.cta h2 {
  font-size: 2.2rem;
  margin-bottom: 20px;
}

.cta p {
  max-width: 700px;
  margin: 0 auto 30px;
  font-size: 1.1rem;
}

.btn-large {
  padding: 12px 30px;
  font-size: 1.1rem;
  background-color: var(--white);
  color: var(--primary-blue);
  border-radius: 30px;
}

.btn-large:hover {
  background-color: var(--light-gray);
  color: var(--primary-blue);
}

/* Footer */
footer {
  background-color: var(--dark-gray);
  color: var(--white);
  padding: 50px 0 20px;
}

.footer-container {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 30px;
  margin-bottom: 30px;
}

.footer-logo {
  display: flex;
  align-items: center;
  margin-bottom: 15px;
}

.footer-logo img {
  height: 40px;
  margin-right: 10px;
  filter: brightness(0) invert(1);
}

.footer-logo h2 {
  font-size: 1.5rem;
  color: var(--white);
}

.footer-section h3 {
  margin-bottom: 20px;
  position: relative;
  padding-bottom: 10px;
}

.footer-section h3::after {
  content: '';
  position: absolute;
  left: 0;
  bottom: 0;
  width: 40px;
  height: 2px;
  background-color: var(--primary-blue);
}

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

.footer-links li {
  margin-bottom: 10px;
}

.footer-links a {
  color: var(--medium-gray);
  transition: var(--transition);
}

.footer-links a:hover {
  color: var(--white);
  padding-left: 5px;
}

.footer-bottom {
  text-align: center;
  padding-top: 20px;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
}

/* Responsividade */
@media (max-width: 1024px) {
  .categories-grid,
  .tutorials-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .footer-container {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  .header-container {
    flex-direction: column;
    text-align: center;
    position: relative;
    padding: 15px 0;
  }
  
  .logo {
    margin-bottom: 15px;
  }
  
  nav {
    display: none;
    width: 100%;
  }
  
  nav.active {
    display: block;
    animation: fadeIn 0.3s ease forwards;
  }
  
  nav ul {
    flex-direction: column;
    align-items: center;
  }
  
  nav ul li {
    margin: 10px 0;
    width: 100%;
    text-align: center;
  }
  
  nav ul li a {
    display: block;
    padding: 10px 0;
  }
  
  .mobile-menu-btn {
    display: block;
    position: absolute;
    top: 20px;
    right: 20px;
  }
  
  .hero {
    padding: 60px 0;
  }
  
  .hero h2 {
    font-size: 2rem;
  }
  
  .hero p {
    font-size: 1rem;
  }
  
  .search-container input {
    padding: 12px 15px;
  }
  
  .search-container button {
    padding: 7px 15px;
  }
  
  .categories-grid,
  .tutorials-grid {
    grid-template-columns: 1fr;
    gap: 20px;
  }
  
  .section-title {
    margin-bottom: 30px;
  }
  
  .cta {
    padding: 60px 0;
  }
  
  .cta h2 {
    font-size: 1.8rem;
  }
}

@media (max-width: 480px) {
  .container {
    padding: 0 15px;
  }
  
  .hero h2 {
    font-size: 1.7rem;
  }
  
  .category-icon {
    height: 120px;
  }
  
  .tutorial-image {
    height: 150px;
  }
  
  .footer-container {
    grid-template-columns: 1fr;
  }
  
  .footer-section {
    margin-bottom: 30px;
  }
  
  .btn-large {
    padding: 10px 25px;
    font-size: 1rem;
  }
}

/* Animações */
@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.animate {
  animation: fadeIn 0.8s ease forwards;
}