:root {
  --cor-principal: #6aff70;
  --cor-fundo: #0E0D1B;
  --cor-borda: #06402b;
  --cor-texto: #ffffff;
  --cor-texto-secundario: #ccc;
  --cor-fundo-card: rgba(18, 18, 18, 0.8);
  --sombra-principal: 0 0 15px rgba(106, 255, 112, 0.2);
  --transicao: all 0.3s ease;
}

/* 🌙 modo escuro automático */
@media (prefers-color-scheme: dark) {
  :root {
    --cor-fundo: #0A0A12;
    --cor-fundo-card: rgba(20, 20, 20, 0.85);
    --cor-borda: #0d4d33;
  }
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: 'Fira Code', monospace;
  color: var(--cor-texto);
  background-color: var(--cor-fundo);
  transition: background-color 0.4s ease, color 0.4s ease;
}

/* 🟢 Canvas Matrix */
#matrix-canvas {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: -1;
}

/* Barra de rolagem personalizada */
::-webkit-scrollbar {
  width: 8px;
}
::-webkit-scrollbar-track {
  background: #111;
}
::-webkit-scrollbar-thumb {
  background: var(--cor-borda);
  border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
  background: var(--cor-principal);
}

/* 🔝 Header */
.topo {
  width: 100%;
  background-color: rgba(14, 13, 27, 0.9);
  border-bottom: 1px solid var(--cor-borda);
  padding: 16px 40px;
  position: fixed;
  top: 0;
  left: 0;
  z-index: 1000;
  height: 70px;
  backdrop-filter: blur(6px);
}

.menu {
  display: flex;
  justify-content: space-between;
  align-items: center;
  max-width: 1400px;
  margin: 0 auto;
}

.logo {
  font-size: 1.4rem;
  color: var(--cor-principal);
  font-weight: bold;
  letter-spacing: 1px;
  transition: var(--transicao);
}

.logo:hover {
  text-shadow: 0 0 8px var(--cor-principal);
}

/* 🔗 Links */
.menu .links {
  list-style: none;
  display: flex;
  gap: 30px;
}

.menu .links li a {
  color: var(--cor-texto);
  text-decoration: none;
  transition: color 0.3s ease, text-shadow 0.3s ease;
}

.menu .links li a:hover {
  color: var(--cor-principal);
  text-shadow: 0 0 10px var(--cor-principal);
}

/* 🧱 Layout */
.container-geral {
  display: flex;
  padding-top: 70px;
  max-width: 1400px;
  margin: 0 auto;
}

.sidebar {
  background-color: transparent;
  padding: 30px;
  width: 320px;
  display: flex;
  flex-direction: column;
  align-items: center;
  border-right: 2px solid var(--cor-borda);
  height: calc(100vh - 70px);
  position: sticky;
  top: 70px;
}

.conteudo-principal {
  flex: 1;
  padding: 40px 60px;
  overflow-y: auto;
  height: calc(100vh - 70px);
}

/* 📸 Sidebar */
.foto-perfil {
  width: 120px;
  height: 120px;
  border-radius: 50%;
  object-fit: cover;
  border: 2px solid var(--cor-borda);
  margin-bottom: 20px;
  transition: var(--transicao);
}

.foto-perfil:hover {
  transform: scale(1.05);
  box-shadow: var(--sombra-principal);
}

.sidebar h2 {
  margin: 10px 0 5px;
  color: var(--cor-principal);
}

.sidebar p {
  text-align: center;
}

.localizacao {
  font-size: 0.9em;
  color: var(--cor-texto-secundario);
}

.redes {
  margin-top: 20px;
  text-align: center;
}

.redes a {
  display: block;
  margin-top: 15px;
  color: var(--cor-principal);
  text-decoration: none;
  transition: var(--transicao);
}

.redes a:hover {
  color: var(--cor-texto);
  text-shadow: 0 0 6px var(--cor-principal);
}

/* 🧠 Seções principais */
.secao-conteudo {
  padding-bottom: 100px;
  min-height: 80vh;
  opacity: 0;
  transform: translateY(30px);
  animation: aparecer 0.8s ease forwards;
}

@keyframes aparecer {
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.secao-conteudo h1,
.secao-conteudo h2 {
  font-size: 2.5em;
  color: var(--cor-principal);
  margin-bottom: 20px;
  text-shadow: 0 0 8px rgba(106, 255, 112, 0.3);
}

/* ⌨️ Título animado */
#titulo-animado::after {
  content: '|';
  margin-left: 5px;
  opacity: 1;
  animation: pisca 0.7s infinite;
}
@keyframes pisca {
  0%, 100% { opacity: 1; }
  50% { opacity: 0; }
}

/* 🪶 Cards */
.card-secao {
  background-color: var(--cor-fundo-card);
  border: 1px solid var(--cor-borda);
  border-radius: 10px;
  padding: 40px;
  transition: var(--transicao);
}

.card-secao:hover {
  box-shadow: var(--sombra-principal);
}

/* ✨ Botões */
.botao-contato,
.botao-principal {
  background-color: var(--cor-borda);
  color: white;
  padding: 10px 20px;
  border-radius: 8px;
  text-decoration: none;
  font-weight: bold;
  transition: var(--transicao);
  display: inline-block;
}

.botao-principal {
  margin-top: 20px;
  box-shadow: 0 0 10px rgba(106, 255, 112, 0.3);
}

.botao-contato:hover,
.botao-principal:hover {
  background-color: #0d6140;
  transform: translateY(-2px);
  box-shadow: 0 4px 15px rgba(106, 255, 112, 0.4);
}

/* 💻 Projetos */
.projetos-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 30px;
}

.card-projeto {
  background-color: var(--cor-fundo-card);
  border: 1px solid var(--cor-borda);
  border-radius: 10px;
  display: flex;
  flex-direction: column;
  transition: var(--transicao);
}

.card-projeto:hover {
  transform: translateY(-5px);
  box-shadow: var(--sombra-principal);
}

.card-projeto img {
  width: 100%;
  height: 180px;
  object-fit: cover;
  border-radius: 10px 10px 0 0;
  border-bottom: 1px solid var(--cor-borda);
}

.card-conteudo {
  padding: 20px;
  display: flex;
  flex-direction: column;
  flex-grow: 1;
}

.card-projeto h3 {
  color: var(--cor-principal);
  margin-bottom: 10px;
}

.card-projeto p {
  color: var(--cor-texto-secundario);
  margin-bottom: 15px;
  flex-grow: 1;
}

.card-projeto .tecnologias {
  font-size: 0.9em;
  font-weight: bold;
  color: #47ff5f;
  margin-bottom: 15px;
}

.botoes-projeto {
  display: flex;
  justify-content: center;
  gap: 15px;
  margin-top: auto;
}

.botoes-projeto a {
  background-color: var(--cor-borda);
  color: white;
  padding: 8px 14px;
  border-radius: 6px;
  text-decoration: none;
  font-size: 0.9em;
  transition: var(--transicao);
}

.botoes-projeto a:hover {
  background-color: #0d6140;
  transform: scale(1.05);
}

/* 📨 Formulário */
#form-contato {
  max-width: 700px;
  margin: 40px auto 0;
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.form-grupo label {
  color: var(--cor-texto-secundario);
  margin-bottom: 8px;
}

#form-contato input,
#form-contato textarea {
  background-color: #121212;
  color: var(--cor-texto);
  border: 1px solid var(--cor-borda);
  border-radius: 6px;
  padding: 12px 15px;
  font-family: 'Fira Code', monospace;
  font-size: 1em;
  transition: var(--transicao);
}

#form-contato input:focus,
#form-contato textarea:focus {
  outline: none;
  border-color: var(--cor-principal);
  box-shadow: var(--sombra-principal);
}

#form-contato button {
  width: 100%;
  padding: 15px;
  font-size: 1.1em;
  font-weight: bold;
  background-color: var(--cor-borda);
  color: white;
  border: none;
  border-radius: 6px;
  cursor: pointer;
  transition: var(--transicao);
}

#form-contato button:hover {
  background-color: #0d6140;
  box-shadow: var(--sombra-principal);
}

/* ⚠️ Erros */
.form-grupo {
  position: relative;
  padding-bottom: 1.5rem;
}

.mensagem-erro {
  color: #ff6a6a;
  font-size: 0.8rem;
  position: absolute;
  bottom: 0;
  left: 0;
  display: none;
}

#form-contato input.com-erro,
#form-contato textarea.com-erro {
  border-color: #ff6a6a;
  box-shadow: 0 0 8px rgba(255, 106, 106, 0.4);
}

/* 📱 Responsivo */
@media (max-width: 768px) {
  .sidebar { display: none; }
  .conteudo-principal { padding: 40px 30px; width: 100%; height: auto; }
  .container-geral { padding-top: 0; }
  .topo { position: relative; }

  .botao-menu {
    display: flex;
    flex-direction: column;
    justify-content: space-around;
    width: 30px;
    height: 24px;
    background: transparent;
    border: none;
    cursor: pointer;
    padding: 0;
  }

  .hamburguer, .hamburguer::before, .hamburguer::after {
    content: '';
    display: block;
    background-color: var(--cor-principal);
    height: 3px;
    width: 100%;
    border-radius: 2px;
    transition: var(--transicao);
  }
  
  .hamburguer::before { transform: translateY(-8px); }
  .hamburguer::after { transform: translateY(8px); }

  .menu.ativo .hamburguer {
    background-color: transparent;
  }
  .menu.ativo .hamburguer::before { transform: rotate(45deg); }
  .menu.ativo .hamburguer::after {
    transform: rotate(-45deg);
    margin-top: -3px;
  }

  .links {
    position: absolute;
    top: 70px;
    left: 0;
    width: 100%;
    background-color: rgba(14, 13, 27, 0.98);
    backdrop-filter: blur(5px);
    flex-direction: column;
    align-items: center;
    gap: 2rem;
    padding: 2rem 0;
    transform: translateY(-120%);
    transition: var(--transicao);
    z-index: 100;
    border-bottom: 1px solid var(--cor-borda);
  }

  .links.ativo { transform: translateY(0); }
  .link-desktop { display: none; }
  .link-mobile { display: block; }
}

@media (min-width: 769px) {
  .botao-menu, .link-mobile { display: none; }
}

/* 🧩 Rodapé opcional */
footer.rodape {
  text-align: center;
  color: var(--cor-texto-secundario);
  padding: 20px 0;
  border-top: 1px solid var(--cor-borda);
  font-size: 0.9em;
  background-color: rgba(14, 13, 27, 0.8);
}