/* Estilos base */
:root {
  --primary-color: #2c3e50;
  --secondary-color: #3498db;
  --text-color: #333;
  --bg-color: #fff;
  --card-bg: #f8f9fa;
  --border-color: #ddd;
}

.dark-theme {
  --primary-color: #34495e;
  --secondary-color: #2980b9;
  --text-color: #ecf0f1;
  --bg-color: #2c3e50;
  --card-bg: #34495e;
  --border-color: #4a6278;
}

* {
  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-color);
  background-color: var(--bg-color);
  transition: background-color 0.3s, color 0.3s;
}

.skip-link {
  position: absolute;
  top: -40px;
  left: 0;
  background: var(--primary-color);
  color: white;
  padding: 8px;
  z-index: 100;
  transition: top 0.3s;
}

.skip-link:focus {
  top: 0;
}

header {
  background-color: var(--primary-color);
  color: white;
  padding: 1rem 0;
  position: sticky;
  top: 0;
  z-index: 10;
}

nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 2rem;
}

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

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

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

nav ul li a {
  color: white;
  text-decoration: none;
  transition: color 0.3s;
}

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

main {
  max-width: 1200px;
  margin: 2rem auto;
  padding: 0 2rem;
}

section {
  margin-bottom: 4rem;
  scroll-margin-top: 80px;
}

h1, h2, h3 {
  color: var(--primary-color);
  margin-bottom: 1rem;
}

/* Seção Sobre */
#sobre {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 3rem;
}

#sobre img {
  border-radius: 50%;
  width: 200px;
  height: 200px;
  object-fit: cover;
  box-shadow: 0 4px 8px rgba(0,0,0,0.1);
}

.experiencia-destaque {
  background-color: var(--card-bg);
  padding: 1rem;
  border-radius: 8px;
  margin: 1rem 0;
}

.experiencia-destaque p {
  margin: 0.5rem 0;
}

.redes {
  display: flex;
  gap: 1rem;
  margin-top: 1rem;
}

.btn-rede {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.5rem 1rem;
  background-color: var(--primary-color);
  color: white;
  text-decoration: none;
  border-radius: 4px;
  transition: background-color 0.3s, transform 0.2s;
}

.btn-rede:hover {
  background-color: var(--secondary-color);
  transform: scale(1.05);
}

/* Filtro de Projetos e Certificações */
.filtro, .filtro-certificacoes {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: 2rem;
  justify-content: center; /* Centraliza os botões */
}

.filtro button, .filtro-certificacoes button {
  padding: 0.75rem 1.25rem;
  border: 1px solid var(--secondary-color);
  border-radius: 25px; /* Botões mais arredondados */
  background-color: transparent;
  color: var(--secondary-color);
  font-weight: 600;
  cursor: pointer;
  transition: background-color 0.3s, color 0.3s, border-color 0.3s;
  white-space: nowrap; /* Evita quebra de linha nos botões */
}

.filtro button.active, .filtro-certificacoes button.active {
  background-color: var(--secondary-color);
  color: white;
}

.filtro button:hover:not(.active), .filtro-certificacoes button:hover:not(.active) {
  background-color: rgba(52, 152, 219, 0.1); /* Leve fundo ao passar o mouse */
}


/* Seção Projetos */
#lista-projetos {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 2rem;
  position: relative;
  z-index: 1;
}

.projeto-card {
  background-color: var(--card-bg);
  padding: 1.5rem;
  border-radius: 12px;
  box-shadow: 0 6px 12px rgba(0,0,0,0.07);
  transition: transform 0.3s, box-shadow 0.3s;
  overflow: hidden;
  position: relative;
  z-index: 10;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.projeto-card:hover {
  transform: translateY(-8px);
  box-shadow: 0 12px 24px rgba(0,0,0,0.12);
}

.projeto-card h3 {
  color: var(--secondary-color);
  font-weight: 700;
  font-size: 1.75rem;
  margin: 0;
  word-break: break-word;
  z-index: 20;
  position: relative;
  line-height: 1.2;
}

.projeto-card p {
  color: #555;
  line-height: 1.3;
  flex-grow: 1;
  overflow-wrap: break-word;
}

.projeto-linguagens {
  display: flex;
  gap: 0.5rem;
  margin: 1rem 0 0 0;
  flex-wrap: wrap;
  align-items: center;
}

.linguagem-tag {
  padding: 0.25rem 0.5rem;
  background-color: var(--secondary-color);
  color: white;
  border-radius: 6px;
  font-size: 0.85rem;
}

.projeto-link {
  display: inline-block;
  margin-top: auto;
  color: var(--secondary-color);
  text-decoration: none;
  font-weight: 600;
  transition: color 0.3s;
  align-self: flex-start;
}

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

/* Seção Skills */
.skills-container {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
  gap: 2rem;
}

.skills-category {
  background-color: var(--card-bg);
  padding: 1.5rem;
  border-radius: 8px;
}

.skills-category h3 {
  margin-bottom: 1rem;
  color: var(--secondary-color);
}

.skills-category ul {
  list-style: none;
}

.skills-category li {
  margin-bottom: 0.75rem;
  position: relative;
  padding-left: 1.5rem;
}

.skills-category li::before {
  content: "•";
  color: var(--secondary-color);
  position: absolute;
  left: 0;
}

.skill-exp {
  font-size: 0.8rem;
  color: #777;
}

/* Seção Certificações */
.certificados-container {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 2rem;
}

.certificado {
  background-color: var(--card-bg);
  border-radius: 8px;
  overflow: hidden;
  box-shadow: 0 2px 4px rgba(0,0,0,0.1);
  transition: transform 0.3s;
}

.certificado:hover {
  transform: translateY(-5px);
}

.certificado-info {
  padding: 1.5rem;
}

.certificado h3 {
  color: var(--secondary-color);
}

.certificado p {
  margin-bottom: 1rem;
  color: #666;
}

.certificado-link {
  padding: 0.5rem 1rem;
  background-color: var(--primary-color);
  color: white;
  border: none;
  border-radius: 4px;
  cursor: pointer;
  transition: background-color 0.3s;
}

.certificado-link:hover {
  background-color: var(--secondary-color);
}

/* Modal */
.modal {
  display: none;
  position: fixed;
  z-index: 100;
  left: 0;
  top: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(0,0,0,0.8);
  overflow: auto;
}

.modal-conteudo {
  display: block;
  margin: 5% auto;
  max-width: 80%;
  max-height: 80%;
  border-radius: 12px;
  box-shadow: 0 0 20px rgba(0,0,0,0.3);
}

.fechar-modal {
  position: absolute;
  top: 20px;
  right: 30px;
  color: white;
  font-size: 30px;
  font-weight: bold;
  cursor: pointer;
  z-index: 110;
}

/* Seção Contato */
.contato-container {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
}

.contato-info {
  display: grid;
  gap: 2rem;
}

.contato-item {
  display: flex;
  gap: 1rem;
  align-items: flex-start;
}

.contato-icon {
  width: 24px;
  height: 24px;
  fill: var(--secondary-color);
  flex-shrink: 0;
}

.contato-horario {
  font-size: 0.9rem;
  color: #666;
  margin-top: 0.25rem;
}

.link-mapa {
  background: none;
  border: none;
  color: var(--secondary-color);
  text-decoration: underline;
  cursor: pointer;
  padding: 0;
  font-size: 0.9rem;
}

.contato-form {
  background-color: var(--card-bg);
  padding: 2rem;
  border-radius: 8px;
}

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

.form-group label {
  display: block;
  margin-bottom: 0.5rem;
  font-weight: 500;
}

.form-group input,
.form-group textarea {
  width: 100%;
  padding: 0.75rem;
  border: 1px solid var(--border-color);
  border-radius: 4px;
  background-color: var(--bg-color);
  color: var(--text-color);
}

.btn-enviar {
  padding: 0.75rem 1.5rem;
  background-color: var(--primary-color);
  color: white;
  border: none;
  border-radius: 4px;
  cursor: pointer;
  transition: background-color 0.3s;
}

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

/* Footer */
footer {
  background-color: var(--primary-color);
  color: white;
  padding: 2rem;
  text-align: center;
}

.footer-content {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

#back-to-top {
  background: none;
  border: none;
  color: white;
  cursor: pointer;
  font-size: 1rem;
  padding: 0.5rem 1rem;
  border-radius: 4px;
  transition: background-color 0.3s;
  display: none;
  position: fixed;
  bottom: 20px;
  right: 20px;
  z-index: 150;
}

#back-to-top:hover {
  background-color: rgba(255,255,255,0.1);
}

/* Responsividade */
@media (max-width: 768px) {
  nav {
    flex-direction: column;
    gap: 1rem;
  }
  
  nav ul {
    flex-wrap: wrap;
    justify-content: center;
  }
  
  nav ul li {
    margin: 0 0.5rem;
  }
  
  #sobre {
    flex-direction: column;
    text-align: center;
  }
  
  .contato-container {
    grid-template-columns: 1fr;
  }
  
  .footer-content {
    flex-direction: column;
    gap: 1rem;
  }

  .filtro-certificacoes {
    justify-content: flex-start; /* Alinha à esquerda em telas menores */
    overflow-x: auto; /* Adiciona scroll horizontal se necessário */
    padding-bottom: 0.5rem; /* Espaçamento para scrollbar */
  }

  .filtro-certificacoes button {
    flex-shrink: 0; /* Impede que os botões encolham */
  }
}

@media (max-width: 480px) {
  #lista-projetos {
    grid-template-columns: 1fr;
  }
  
  .skills-container {
    grid-template-columns: 1fr;
  }
  
  .certificados-container {
    grid-template-columns: 1fr;
  }
}