/* Configurações Globais */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

body {
  color: #333;
  line-height: 1.6;
  background-color: #f8f9fa;
}

/* Navegação */
.navbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1rem 2rem;
  background-color: #0d1117;
  color: #fff;
  position: sticky;
  top: 0;
  z-index: 100;
}

.logo {
  font-size: 1.5rem;
  font-weight: bold;
  color: #58a6ff;
}

.nav-links {
  display: flex;
  list-style: none;
  gap: 1.5rem;
}

.nav-links a {
  color: #c9d1d9;
  text-decoration: none;
  transition: color 0.3s;
}

.nav-links a:hover {
  color: #58a6ff;
}

/* Hero Section */
.hero {
  height: 70vh;
  background: linear-gradient(135deg, #0d1117 0%, #161b22 100%);
  color: #fff;
  display: flex;
  justify-content: center;
  align-items: center;
  text-align: center;
  padding: 0 1rem;
}

.hero h1 {
  font-size: 3rem;
  margin-bottom: 0.5rem;
}

.hero h1 span {
  color: #58a6ff;
}

.hero p {
  font-size: 1.25rem;
  color: #8b949e;
  margin-bottom: 1.5rem;
}

/* Botões */
.btn {
  display: inline-block;
  padding: 0.75rem 1.5rem;
  background-color: #238636;
  color: #fff;
  border: none;
  border-radius: 6px;
  text-decoration: none;
  font-weight: bold;
  cursor: pointer;
  transition: background-color 0.3s;
}

.btn:hover {
  background-color: #2ea043;
}

.btn-secondary {
  background-color: #21262d;
  color: #c9d1d9;
  border: 1px solid #30363d;
}

.btn-secondary:hover {
  background-color: #30363d;
}

/* Seções */
.section {
  padding: 4rem 2rem;
  max-width: 1000px;
  margin: 0 auto;
  text-align: center;
}

.bg-alt {
  background-color: #ffffff;
}

.section h2 {
  font-size: 2rem;
  margin-bottom: 1.5rem;
  color: #0d1117;
}

/* Grid de Projetos */
.grid-container {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.5rem;
  margin-top: 2rem;
}

.card {
  background-color: #fff;
  border: 1px solid #e1e4e8;
  border-radius: 8px;
  padding: 1.5rem;
  text-align: left;
  box-shadow: 0 4px 6px rgba(0, 0, 0, 0.05);
  transition: transform 0.3s;
}

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

.card h3 {
  margin-bottom: 0.5rem;
  color: #0d1117;
}

.card p {
  color: #57606a;
  font-size: 0.95rem;
  margin-bottom: 1rem;
}

.card-link {
  color: #0969da;
  text-decoration: none;
  font-weight: bold;
}

/* Habilidades */
.skills-container {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 1rem;
}

.skill-tag {
  background-color: #ddf4ff;
  color: #0969da;
  padding: 0.5rem 1rem;
  border-radius: 20px;
  font-weight: 600;
}

/* Contato & Footer */
.contact-links {
  display: flex;
  justify-content: center;
  gap: 1rem;
  margin-top: 1.5rem;
}

footer {
  text-align: center;
  padding: 1.5rem;
  background-color: #0d1117;
  color: #8b949e;
  font-size: 0.9rem;
}