/* ===== Variáveis de Cores ===== */
:root {
  --bg-primary: #0a0a12;
  --bg-secondary: #12121e;
  --bg-card: rgba(255, 255, 255, 0.05);
  --bg-glass: rgba(255, 255, 255, 0.08);
  --border-glass: rgba(255, 255, 255, 0.12);
  --text-primary: #ffffff;
  --text-secondary: #b8b8c8;
  --text-muted: #7a7a9a;
  --accent-primary: #6366f1;
  --accent-secondary: #8b5cf6;
  --accent-glow: rgba(99, 102, 241, 0.3);
  --success: #10b981;
  --shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.25), 0 2px 4px -2px rgba(0, 0, 0, 0.25);
}

[data-theme="dark"] {
  --bg-primary: #0a0a12;
  --bg-secondary: #12121e;
  --bg-card: rgba(255, 255, 255, 0.05);
  --bg-glass: rgba(255, 255, 255, 0.08);
  --border-glass: rgba(255, 255, 255, 0.12);
  --text-primary: #ffffff;
  --text-secondary: #b8b8c8;
  --text-muted: #7a7a9a;
  --accent-primary: #6366f1;
  --accent-secondary: #8b5cf6;
  --accent-glow: rgba(99, 102, 241, 0.3);
}

/* ===== Reset Básico ===== */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

* {
  scrollbar-width: thin;
  scrollbar-color: var(--accent-primary, #6366f1) transparent;
}

*::before {
  scrollbar-width: thin;
  scrollbar-color: var(--accent-primary, #6366f1) transparent;
}

::-webkit-scrollbar {
  width: 8px;
  height: 8px;
}

::-webkit-scrollbar-track {
  background: transparent;
}

::-webkit-scrollbar-thumb {
  background: var(--accent-glow, rgba(99, 102, 241, 0.4));
  border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
  background: var(--accent-primary, #6366f1);
}

/* ===== Tipografia ===== */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&family=Fira+Code:wght@400;500&display=swap');

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
  font-size: 16px;
  line-height: 1.6;
  color: var(--text-primary);
  background: linear-gradient(135deg, var(--bg-primary) 0%, var(--bg-secondary) 100%);
  min-height: 100vh;
  overflow-x: hidden;
}

/* Monospace para códigos */
code, pre {
  font-family: 'Fira Code', monospace;
  font-size: 0.9em;
}

/* ===== Container Principal ===== */
.container {
  width: min(90%, 1400px);
  margin: 0 auto;
  padding: 0 1.5rem;
}

/* ===== Header/Navegação ===== */
header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: rgba(10, 10, 18, 0.8);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border-glass);
  transition: all 0.3s ease;
}

header.scrolled {
  background: rgba(10, 10, 18, 0.95);
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.3);
}

.nav-container {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1rem 0;
}

.nav-logo {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--text-primary);
  text-decoration: none;
  transition: color 0.3s ease;
}

.nav-logo:hover {
  color: var(--accent-primary);
}

.nav-links {
  display: flex;
  list-style: none;
  gap: 2rem;
}

.nav-link {
  color: var(--text-secondary);
  text-decoration: none;
  font-weight: 500;
  position: relative;
  padding: 0.5rem 0;
  transition: all 0.3s ease;
}

.nav-link:hover,
.nav-link.active {
  color: var(--text-primary);
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--accent-primary);
  transition: width 0.3s ease;
}

.nav-link:hover::after,
.nav-link.active::after {
  width: 100%;
}

/* ===== Botão Mobile ===== */
.mobile-toggle {
  display: none;
  background: none;
  border: none;
  font-size: 1.5rem;
  color: var(--text-primary);
  cursor: pointer;
  padding: 0.5rem;
}

/* ===== Hero Section ===== */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding-top: 6rem;
  padding-bottom: 4rem;
  position: relative;
  overflow: hidden;
}

.hero-content {
  text-align: center;
  max-width: 800px;
  padding: 2rem;
}

.hero-title {
  font-size: 3.5rem;
  font-weight: 700;
  margin-bottom: 1rem;
  background: linear-gradient(90deg, var(--text-primary), var(--accent-primary));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-subtitle {
  font-size: 1.3rem;
  color: var(--text-secondary);
  margin-bottom: 2.5rem;
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

.hero-buttons {
  display: flex;
  gap: 1rem;
  justify-content: center;
  flex-wrap: wrap;
}

.btn {
  padding: 0.75rem 1.75rem;
  border-radius: 50px;
  font-weight: 600;
  text-decoration: none;
  transition: all 0.3s ease;
  cursor: pointer;
  border: 1px solid transparent;
  font-size: 0.95rem;
}

.btn-primary {
  background: var(--accent-primary);
  color: #fff;
}

.btn-primary:hover {
  background: #4f46e5;
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(99, 102, 241, 0.4);
}

.btn-outline {
  background: transparent;
  color: var(--accent-primary);
  border-color: var(--accent-primary);
}

.btn-outline:hover {
  background: var(--accent-primary);
  color: #fff;
  transform: translateY(-2px);
}

/* ===== Seção Genérica ===== */
section {
  padding: 6rem 0;
  position: relative;
  overflow: hidden;
}

section:not(:last-child) {
  margin-bottom: 4rem;
}

.section-title {
  text-align: center;
  margin-bottom: 4rem;
}

.section-title h2 {
  font-size: 2.5rem;
  font-weight: 700;
  margin-bottom: 1rem;
  background: linear-gradient(90deg, var(--text-primary), var(--accent-primary));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.section-title p {
  color: var(--text-secondary);
  font-size: 1.1rem;
  max-width: 600px;
  margin: 0 auto;
}

/* ===== Sobre Mim ===== */
.about-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  align-items: center;
}

.about-text h3 {
  font-size: 1.8rem;
  margin-bottom: 1.5rem;
  color: var(--text-primary);
}

.about-text p {
  color: var(--text-secondary);
  margin-bottom: 1rem;
  line-height: 1.7;
}

.about-list {
  list-style: none;
  padding: 0;
}

.about-list li {
  padding: 0.5rem 0;
  display: flex;
  align-items: center;
  gap: 1rem;
}

.about-list li::before {
  content: '→';
  color: var(--accent-primary);
  font-size: 1.2rem;
}

/* ===== Tecnologias ===== */
.tech-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1.5rem;
  max-width: 1200px;
  margin: 0 auto;
}

.tech-category {
  background: var(--bg-card);
  border-radius: 12px;
  padding: 1.5rem;
  border: 1px solid var(--border-glass);
  transition: all 0.3s ease;
}

.tech-category:hover {
  transform: translateY(-5px);
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.3);
  border-color: var(--accent-glow);
}

.tech-category-title {
  font-size: 0.95rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: 1rem;
  font-weight: 500;
}

.tech-list {
  list-style: none;
  padding: 0;
}

.tech-list li {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.5rem 0;
  color: var(--text-secondary);
  transition: all 0.3s ease;
}

.tech-list li:hover {
  color: var(--text-primary);
  padding-left: 1rem;
}

.tech-icon {
  width: 20px;
  height: 20px;
  filter: grayscale(100%) opacity(0.6);
  transition: all 0.3s ease;
}

.tech-list li:hover .tech-icon {
  filter: none;
  opacity: 1;
}

/* ===== Projetos ===== */
.projects-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
  max-width: 1400px;
  margin: 0 auto;
}

.project-card {
  background: var(--bg-card);
  border-radius: 16px;
  padding: 2rem;
  border: 1px solid var(--border-glass);
  transition: all 0.3s ease;
  display: flex;
  flex-direction: column;
  height: 100%;
}

.project-card:hover {
  transform: translateY(-10px);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.4);
  border-color: var(--accent-glow);
}

.project-title {
  font-size: 1.5rem;
  font-weight: 600;
  margin-bottom: 0.75rem;
  color: var(--text-primary);
}

.project-description {
  color: var(--text-secondary);
  margin-bottom: 1.5rem;
  line-height: 1.6;
  flex: 1;
}

.project-tech {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: 1.5rem;
}

.project-tag {
  background: var(--bg-glass);
  color: var(--text-secondary);
  padding: 0.25rem 0.75rem;
  border-radius: 20px;
  font-size: 0.8rem;
  font-weight: 500;
}

.project-link {
  color: var(--accent-primary);
  text-decoration: none;
  font-weight: 600;
  transition: color 0.3s ease;
}

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

/* ===== Formação ===== */
.education-item {
  background: var(--bg-card);
  border-radius: 12px;
  padding: 2rem;
  border: 1px solid var(--border-glass);
  margin-bottom: 1.5rem;
  transition: all 0.3s ease;
}

.education-item:hover {
  border-color: var(--accent-glow);
  box-shadow: 0 5px 20px rgba(0, 0, 0, 0.25);
}

.education-institution {
  font-size: 1.5rem;
  font-weight: 600;
  margin-bottom: 0.5rem;
  color: var(--text-primary);
}

.education-course {
  color: var(--accent-primary);
  font-weight: 500;
  margin-bottom: 1rem;
}

.education-status {
  display: inline-block;
  padding: 0.25rem 0.75rem;
  background: var(--accent-glow);
  color: var(--accent-primary);
  border-radius: 20px;
  font-size: 0.85rem;
  font-weight: 500;
}

/* ===== GitHub Section ===== */
.github-section {
  text-align: center;
}

.github-section h3 {
  font-size: 1.5rem;
  margin-bottom: 1rem;
  color: var(--text-primary);
}

.github-section p {
  color: var(--text-secondary);
  margin-bottom: 2rem;
}

/* ===== Contato ===== */
.contact-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 2rem;
  max-width: 900px;
  margin: 0 auto;
}

.contact-item {
  background: var(--bg-card);
  border-radius: 12px;
  padding: 1.5rem;
  border: 1px solid var(--border-glass);
  transition: all 0.3s ease;
  text-align: center;
}

.contact-item:hover {
  border-color: var(--accent-glow);
  transform: translateY(-5px);
}

.contact-icon {
  width: 60px;
  height: 60px;
  margin: 0 auto 1rem;
  background: var(--accent-glow);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent-primary);
  font-size: 1.5rem;
}

.contact-label {
  color: var(--text-muted);
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: 0.5rem;
}

.contact-value {
  color: var(--text-primary);
  font-weight: 500;
}

/* ===== Footer ===== */
footer {
  background: var(--bg-secondary);
  padding: 2rem 0;
  border-top: 1px solid var(--border-glass);
  margin-top: 4rem;
}

.footer-content {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1rem;
}

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

.footer-social {
  display: flex;
  gap: 1rem;
}

.social-link {
  width: 40px;
  height: 40px;
  background: var(--bg-glass);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-secondary);
  text-decoration: none;
  transition: all 0.3s ease;
}

.social-link:hover {
  background: var(--accent-primary);
  color: #fff;
  transform: translateY(-3px);
}

/* ===== Animações ===== */
.fade-in {
  opacity: 0;
  transform: translateY(30px);
  transition: all 0.6s ease;
}

.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ===== Responsividade ===== */
@media (max-width: 992px) {
  .about-content {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 768px) {
  .nav-links {
    position: fixed;
    top: 0;
    right: -100%;
    height: 100vh;
    width: 80%;
    max-width: 300px;
    background: var(--bg-secondary);
    flex-direction: column;
    padding: 6rem 2rem;
    gap: 2rem;
    transition: right 0.3s ease;
    box-shadow: -10px 0 25px rgba(0, 0, 0, 0.5);
    border-left: 1px solid var(--border-glass);
  }

  .nav-links.active {
    right: 0;
  }

  .mobile-toggle {
    display: block;
  }

  .hero-title {
    font-size: 2.5rem;
  }

  .section-title h2 {
    font-size: 2rem;
  }

  .hero-buttons {
    flex-direction: column;
    gap: 1rem;
  }

  .btn {
    width: 100%;
    justify-content: center;
  }
}

@media (max-width: 480px) {
  .hero-title {
    font-size: 2rem;
  }

  .section-title h2 {
    font-size: 1.75rem;
  }

  .education-item {
    padding: 1.5rem;
  }

  .footer-content {
    flex-direction: column;
    text-align: center;
  }
}

/* ===== Prefers Reduced Motion ===== */
@media (prefers-reduced-motion: reduce) {
  * {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }

  .project-card:hover,
  .tech-category:hover,
  .contact-item:hover {
    transform: none;
  }

  .btn:hover {
    transform: none;
  }
}