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

body {
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  background: linear-gradient(135deg, #0a0a0a, #1a1a1a);
  color: white;
  display: flex;
  flex-direction: column;
  align-items: center;
  min-height: 100vh;
  padding: 20px;
  transition: background 0.3s ease, color 0.3s ease;
}

header {
  width: 100%;
  max-width: 1000px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 30px;
}

header h1 {
  font-size: 42px;
  font-weight: bold;
}

.highlight {
  color: #7c3aed;
}

#theme-toggle {
  background: none;
  border: none;
  font-size: 26px;
  cursor: pointer;
  color: white;
}

/* Caixa */
.box {
  background: rgba(0, 0, 0, 0.8);
  border: 2px solid #7c3aed;
  border-radius: 15px;
  padding: 30px;
  margin-bottom: 30px;
  box-shadow: 0 8px 25px rgba(124, 58, 237, 0.5);
  max-width: 900px;
  width: 100%;
  line-height: 1.7;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.box:hover {
  transform: translateY(-6px);
  box-shadow: 0 12px 35px rgba(124, 58, 237, 0.8);
}

.box h2 {
  color: #7c3aed;
  margin-bottom: 20px;
  font-size: 28px;
}

.projeto-img {
  width: 100%;
  max-width: 600px;
  border-radius: 12px;
  margin: 15px 0;
  box-shadow: 0 0 15px rgba(255, 255, 255, 0.2);
}

/* Botões */
.btn {
  display: inline-block;
  padding: 10px 18px;
  margin: 8px;
  border-radius: 8px;
  background: #7c3aed;
  color: white;
  font-weight: bold;
  text-decoration: none;
  transition: 0.3s;
}

.btn:hover {
  background: white;
  color: #7c3aed;
  box-shadow: 0 0 12px #7c3aed;
}

/* Social */
.social a {
  margin-right: 15px;
  font-size: 28px;
  color: white;
  transition: 0.3s;
}

.social a:hover {
  color: #7c3aed;
}

/* Tecnologias */
.tech-icons {
  display: flex;
  justify-content: center;
  gap: 40px;
  margin: 20px 0;
}

.tech-icon {
  font-size: 50px;
  color: #aaa;
  transition: transform 0.3s ease, color 0.3s ease;
}

.tech-icon:hover {
  transform: scale(1.2);
  color: #7c3aed;
}

/* Contato */
.email {
  font-size: 18px;
  font-weight: bold;
  color: #7c3aed;
}

/* Footer */
footer {
  margin-top: auto;
  padding: 15px;
  font-size: 14px;
  color: gray;
  text-align: center;
}

/* Light theme */
body.light {
  background: #f4f4f4;
  color: #121212;
}

body.light .box {
  background: white;
  border: 2px solid #7c3aed;
  color: #121212;
}

body.light .highlight {
  color: #7c3aed;
}

body.light #theme-toggle {
  color: #121212;
}

/* Centralizar conteúdo da seção Projetos */
.projeto {
  text-align: center; /* centraliza títulos, textos e imagens */
}

.projeto h3 {
  margin-bottom: 10px;
  font-size: 24px;
}

.projeto p {
  margin: 10px 0 20px 0;
}

/* Centralizar os botões */
.botoes {
  display: flex;
  justify-content: center;
  gap: 15px;
  flex-wrap: wrap; /* permite quebrar linha em telas menores */
  margin-top: 15px;
}

.navegacao {
  margin-top: 20px;
  display: flex;
  justify-content: center;
  gap: 20px;
}

.seta {
  background-color: #7c3aed;
  color: white;
  border: none;
  padding: 10px 20px;
  font-size: 20px;
  border-radius: 8px;
  cursor: pointer;
  transition: background 0.3s;
}

.seta:hover {
  background-color: white;
  color: #7c3aed;
  box-shadow: 0 0 12px #7c3aed;
}