/* Reset Global e Variáveis */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

:root {
  --bg-primary: #0f172a;
  --bg-secondary: #1e293b;
  --text-main: #f8fafc;
  --text-muted: #94a3b8;
  --accent-blue: #38bdf8;
  --accent-cyan: #22d3ee;
  --border-color: #334155;
  --font-sans: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

body {
  font-family: var(--font-sans);
  background-color: var(--bg-primary);
  color: var(--text-main);
  line-height: 1.6;
}

a {
  text-decoration: none;
  color: inherit;
}

ul {
  list-style: none;
}

/* Cabeçalho e Navegação */
.header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  background-color: rgba(15, 23, 42, 0.85);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border-color);
  z-index: 1000;
}

.nav-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 1.2rem 2rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logo {
  font-size: 1.5rem;
  font-weight: bold;
  color: var(--accent-blue);
  letter-spacing: 1px;
}

.menu-hamburger {
  display: none;
  flex-direction: column;
  justify-content: space-between;
  width: 30px;
  height: 21px;
  background: transparent;
  border: none;
  cursor: pointer;
  z-index: 1100;
}

.menu-hamburger .bar {
  width: 100%;
  height: 3px;
  background-color: var(--text-main);
  border-radius: 2px;
  transition: all 0.3s ease;
}

.menu-overlay {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100vh;
  background-color: rgba(0, 0, 0, 0.6);
  backdrop-filter: blur(4px);
  z-index: 998;
  opacity: 0;
  transition: opacity 0.3s ease;
}

.menu-overlay.active {
  display: block;
  opacity: 1;
}

.nav-list {
  display: flex;
  gap: 2rem;
}

.nav-list a {
  color: var(--text-muted);
  font-weight: 500;
  transition: color 0.3s ease;
}

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

/* Seção Principal */
.principal-section {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 8rem 2rem 4rem;
  max-width: 1200px;
  margin: 0 auto;
}

.principal-container {
  max-width: 800px;
}

.principal {
  display: inline-block;
  padding: 0.4rem 1rem;
  background-color: rgba(56, 189, 248, 0.1);
  color: var(--accent-blue);
  border-radius: 50px;
  font-size: 0.9rem;
  font-weight: 600;
  margin-bottom: 1.5rem;
  border: 1px solid rgba(56, 189, 248, 0.2);
}

.principal-section h1 {
  font-size: 3.5rem;
  font-weight: 800;
  margin-bottom: 1rem;
  line-height: 1.2;
}

.principal-section h1 span {
  color: var(--accent-blue);
}

.principal-section p {
  font-size: 1.2rem;
  color: var(--text-muted);
  margin-bottom: 2rem;
}

/* Botões */

.botoes {
  display: flex;
  gap: 1rem;
}

.btn {
  display: inline-block;
  padding: 0.8rem 1.8rem;
  border-radius: 8px;
  font-weight: 600;
  transition: all 0.3s ease;
  cursor: pointer;
}

.btn-primeiro {
  background: linear-gradient(135deg, var(--accent-blue), var(--accent-cyan));
  color: var(--bg-primary);
}

.btn-primeiro:hover {
  opacity: 0.9;
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(56, 189, 248, 0.3);
}

.btn-segundo {
  background-color: transparent;
  color: var(--text-main);
  border: 1px solid var(--border-color);
}

.btn-segundo:hover {
  border-color: var(--accent-blue);
  color: var(--accent-blue);
  transform: translateY(-2px);
}


/* Títulos Padrão das Seções */
.titulo {
  font-size: 2.2rem;
  font-weight: 700;
  margin-bottom: 2.5rem;
  text-align: center;
  position: relative;
}

.titulo::after {
  content: '';
  display: block;
  width: 60px;
  height: 4px;
  background: linear-gradient(135deg, var(--accent-blue), var(--accent-cyan));
  margin: 0.5rem auto 0;
  border-radius: 2px;
}

/* Seção Sobre Mim */
.sobre-section {
  padding: 6rem 2rem;
  max-width: 900px;
  margin: 0 auto;
}

.sobre-container {
  background-color: var(--bg-secondary);
  padding: 2.5rem;
  border-radius: 12px;
  border: 1px solid var(--border-color);
}

.texto-sobre p {
  color: var(--text-muted);
  font-size: 1.1rem;
  margin-bottom: 1.2rem;
}

.texto-sobre p:last-child {
  margin-bottom: 0;
}

/* Seção Habilidades */
.habilidades-section {
  padding: 6rem 2rem;
  max-width: 1200px;
  margin: 0 auto;
}

.habilidades-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
}

.habilidades-card {
  background-color: var(--bg-secondary);
  padding: 2.5rem;
  border-radius: 12px;
  border: 1px solid var(--border-color);
  transition: transform 0.3s ease, border-color 0.3s ease;
}

.habilidades-card:hover {
  transform: translateY(-5px);
  border-color: var(--accent-blue);
}

.habilidades-card h3 {
  font-size: 1.3rem;
  color: var(--accent-blue);
  margin-bottom: 1rem;
}

.habilidades-card p {
  color: var(--text-muted);
}

/* Seção Projetos */
.projetos-section {
  padding: 6rem 2rem;
  max-width: 1200px;
  margin: 0 auto;
}

.projetos-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
  gap: 2rem;
}

.projetos-card {
  background-color: var(--bg-secondary);
  border-radius: 12px;
  border: 1px solid var(--border-color);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: transform 0.3s ease, border-color 0.3s ease;
}

.projetos-card:hover {
  transform: translateY(-5px);
  border-color: var(--accent-blue);
}

.projetos-info {
  padding: 2rem;
  display: flex;
  flex-direction: column;
  height: 100%;
}

.projetos-info h3 {
  font-size: 1.4rem;
  margin-bottom: 0.8rem;
  color: var(--text-main);
}

.projetos-info p {
  color: var(--text-muted);
  font-size: 0.95rem;
  margin-bottom: 1.5rem;
  flex-grow: 1;
}

/* Tags e Links de Projetos */
.projetos-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: 1.5rem;
}

.tag {
  background-color: rgba(56, 189, 248, 0.1);
  color: var(--accent-blue);
  padding: 0.3rem 0.8rem;
  border-radius: 20px;
  font-size: 0.8rem;
  font-weight: 600;
}

.projetos-links a {
  display: inline-block;
  color: var(--accent-blue);
  font-weight: 600;
  font-size: 0.95rem;
  transition: opacity 0.3s ease;
}

.projetos-links a:hover {
  opacity: 0.8;
  text-decoration: underline;
}

/* Seção Contato */
.contatos-section {
  padding: 6rem 2rem;
  max-width: 1200px;
  margin: 0 auto;
}

.contatos-container {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 4rem;
  background-color: var(--bg-secondary);
  padding: 3rem;
  border-radius: 12px;
  border: 1px solid var(--border-color);
}

.contatos-info p {
  color: var(--text-muted);
  margin-bottom: 1.5rem;
  font-size: 1.1rem;
}

.contatos-info ul li {
  margin-bottom: 1rem;
  color: var(--text-muted);
  word-break: break-all;
}

.contatos-info ul li strong {
  color: var(--text-main);
}

/* Formulário de Contato */
.contatos-form {
  display: flex;
  flex-direction: column;
  gap: 1.2rem;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.form-group label {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--text-muted);
}

.form-group input,
.form-group textarea {
  background-color: var(--bg-primary);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  padding: 0.8rem 1rem;
  color: var(--text-main);
  font-family: var(--font-sans);
  font-size: 1rem;
  outline: none;
  transition: border-color 0.3s ease;
}

.form-group input:focus,
.form-group textarea:focus {
  border-color: var(--accent-blue);
}

/* Rodapé */
.footer {
  background-color: var(--bg-secondary);
  border-top: 1px solid var(--border-color);
  padding: 2rem 0;
  text-align: center;
  margin-top: 4rem;
}

.footer-container p {
  color: var(--text-muted);
  font-size: 0.9rem;
}

/* Estado Ativo dos Links do Menu */
.nav-list a.active {
  color: var(--accent-blue);
  font-weight: 700;
  border-bottom: 2px solid var(--accent-blue);
  padding-bottom: 0.2rem;
}

/* Animação Reveal */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}

.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}


/* Responsividade para Celulares e Tablets (Até 768px) */
@media (max-width: 768px) {
  .menu-hamburger {
    display: flex;
  }

  .nav-list {
    position: fixed;
    top: 0;
    right: -100%; /* Escondido fora da tela à direita */
    width: 280px;
    height: 100vh;
    background-color: var(--bg-secondary);
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 2rem;
    box-shadow: -10px 0 30px rgba(0, 0, 0, 0.7);
    transition: right 0.4s cubic-bezier(0.77, 0, 0.175, 1);
    border-left: 1px solid var(--border-color);
    z-index: 999;
  }

  /* Classe ativada via JavaScript para abrir o menu */
  .nav-list.active {
    right: 0;
  }

  /* Animação do botão hambúrguer virando um "X" */
  .menu-hamburger.active .bar:nth-child(1) {
    transform: translateY(9px) rotate(45deg);
  }

  .menu-hamburger.active .bar:nth-child(2) {
    opacity: 0;
  }

  .menu-hamburger.active .bar:nth-child(3) {
    transform: translateY(-9px) rotate(-45deg);
  }
}