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

:root {
  /* Cores mais naturais e modernas */
  --primary-color: #2563eb;
  --primary-light: #3b82f6;
  --primary-dark: #1d4ed8;
  --secondary-color: #64748b;
  --background-color: #f8fafc;
  --surface-color: #ffffff;
  --text-primary: #1e293b;
  --text-secondary: #64748b;
  --text-muted: #94a3b8;
  --border-color: #e2e8f0;
  --accent-orange: #f97316;
  --accent-green: #059669;
  --accent-purple: #7c3aed;
  
  /* Fontes */
  --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-mono: 'Fira Code', 'Cascadia Code', monospace;
  
  /* Espaçamentos */
  --space-xs: 0.25rem;
  --space-sm: 0.5rem;
  --space-md: 1rem;
  --space-lg: 1.5rem;
  --space-xl: 2rem;
  --space-2xl: 3rem;
  
  /* Raios de borda */
  --radius-sm: 0.375rem;
  --radius-md: 0.5rem;
  --radius-lg: 0.75rem;
  --radius-xl: 1rem;
  
  /* Sombras */
  --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
  --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
  --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
  --shadow-xl: 0 20px 25px -5px rgb(0 0 0 / 0.1), 0 8px 10px -6px rgb(0 0 0 / 0.1);
}

/* Estilos base */
html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-primary);
  background: linear-gradient(135deg, #f8fafc 0%, #e2e8f0 100%);
  color: var(--text-primary);
  line-height: 1.7;
  font-size: 16px;
  min-height: 100vh;
  overflow-x: hidden;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: var(--space-md);
}

/* Header Hero */
.hero {
  background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%);
  color: white;
  padding: var(--space-2xl) var(--space-lg);
  border-radius: var(--radius-xl);
  margin-bottom: var(--space-xl);
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><circle cx="10" cy="10" r="1" fill="rgba(255,255,255,0.1)"/><circle cx="90" cy="20" r="1.5" fill="rgba(255,255,255,0.05)"/><circle cx="30" cy="80" r="1" fill="rgba(255,255,255,0.1)"/><circle cx="70" cy="90" r="0.5" fill="rgba(255,255,255,0.15)"/></svg>');
  pointer-events: none;
}

.hero-content {
  display: flex;
  align-items: center;
  gap: var(--space-xl);
  position: relative;
  z-index: 1;
}

.profile-pic {
  width: 120px;
  height: 120px;
  border-radius: 50%;
  border: 4px solid rgba(255, 255, 255, 0.2);
  object-fit: cover;
  box-shadow: var(--shadow-lg);
  transition: transform 0.3s ease;
}

.profile-pic:hover {
  transform: scale(1.05) rotate(2deg);
}

.hero-text h1 {
  font-size: 2.5rem;
  font-weight: 700;
  margin-bottom: var(--space-sm);
  line-height: 1.2;
}

.highlight {
  background: linear-gradient(45deg, #fbbf24, #f59e0b);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}



/* Navegação */
.main-nav {
  margin-bottom: var(--space-xl);
}

.main-nav ul {
  display: flex;
  justify-content: center;
  gap: var(--space-sm);
  list-style: none;
  flex-wrap: wrap;
}

.main-nav a {
  display: block;
  padding: var(--space-sm) var(--space-lg);
  background: var(--surface-color);
  color: var(--text-primary);
  text-decoration: none;
  border-radius: var(--radius-lg);
  font-weight: 500;
  transition: all 0.3s ease;
  box-shadow: var(--shadow-sm);
  border: 2px solid transparent;
}

.main-nav a:hover {
  background: var(--primary-color);
  color: white;
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

/* Layout de conteúdo */
.content-grid {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: var(--space-2xl);
  margin-bottom: var(--space-xl);
  align-items: start;
}

.main-content {
  display: flex;
  flex-direction: column;
  gap: var(--space-xl);
}

.sidebar {
  position: sticky;
  top: var(--space-xl);
  display: flex;
  flex-direction: column;
  gap: var(--space-lg);
}

/* Seções de conteúdo */
.content-section {
  background: var(--surface-color);
  padding: var(--space-2xl);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-lg);
  border: 1px solid var(--border-color);
  position: relative;
  overflow: hidden;
  transition: all 0.3s ease;
}

.content-section:hover {
  box-shadow: var(--shadow-xl);
  transform: translateY(-2px);
}

.content-section::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 4px;
  height: 100%;
  background: linear-gradient(to bottom, var(--primary-color), var(--accent-orange));
}

.content-section h2 {
  font-size: 1.75rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: var(--space-lg);
  position: relative;
}

.content-section h3 {
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: var(--space-md);
}

.content-section p {
  margin-bottom: var(--space-md);
  color: var(--text-secondary);
  line-height: 1.8;
}

/* Seção Sobre */
.fun-facts {
  background: linear-gradient(135deg, #f1f5f9 0%, #e2e8f0 100%);
  padding: var(--space-lg);
  border-radius: var(--radius-md);
  margin-top: var(--space-lg);
}

.fun-facts ul {
  list-style: none;
  margin-top: var(--space-md);
}

.fun-facts li {
  padding: var(--space-sm) 0;
  position: relative;
  padding-left: var(--space-lg);
}

.fun-facts li::before {
  content: '→';
  position: absolute;
  left: 0;
  color: var(--primary-color);
  font-weight: bold;
}

/* Skills */
.skills-grid {
  display: grid;
  gap: var(--space-lg);
}

.skill-category h3 {
  margin-bottom: var(--space-md);
}

.skill-tags {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm);
}

.skill-tag {
  display: inline-block;
  padding: var(--space-sm) var(--space-md);
  border-radius: var(--radius-md);
  font-size: 0.875rem;
  font-weight: 500;
  font-family: var(--font-mono);
  transition: all 0.3s ease;
  cursor: default;
}

.skill-tag.expert {
  background: linear-gradient(135deg, var(--accent-green), #047857);
  color: white;
}

.skill-tag.advanced {
  background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
  color: white;
}

.skill-tag.intermediate {
  background: linear-gradient(135deg, var(--accent-orange), #ea580c);
  color: white;
}

.skill-tag:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

/* Projetos */
.projects-intro {
  font-size: 1.1rem;
  margin-bottom: var(--space-xl);
  color: var(--text-secondary);
  text-align: center;
}

.projects-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-xl);
  margin-top: var(--space-lg);
  align-items: stretch;
}

.project-card {
  background: linear-gradient(135deg, #ffffff 0%, #f8fafc 100%);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: var(--space-xl);
  transition: all 0.3s ease;
  position: relative;
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  display: flex;
  flex-direction: column;
  height: 100%;
}

.project-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--primary-color), var(--accent-orange), var(--accent-green));
}

.project-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-xl);
  border-color: var(--primary-color);
}

.project-header {
  margin-bottom: var(--space-lg);
}

.project-header h3 {
  font-size: 1.5rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: var(--space-sm);
  display: flex;
  align-items: center;
  gap: var(--space-sm);
}

.project-type {
  display: inline-block;
  background: linear-gradient(135deg, var(--primary-color), var(--primary-light));
  color: white;
  padding: var(--space-xs) var(--space-md);
  border-radius: var(--radius-lg);
  font-size: 0.75rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.project-description {
  margin-bottom: var(--space-lg);
  flex-grow: 1;
  display: flex;
  flex-direction: column;
}

.project-description p {
  color: var(--text-secondary);
  line-height: 1.7;
  margin-bottom: var(--space-md);
  flex-grow: 1;
}

.project-tech {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm);
  margin-bottom: var(--space-lg);
  margin-top: auto;
}

.tech-tag {
  background: linear-gradient(135deg, #e2e8f0, #cbd5e1);
  color: var(--text-primary);
  padding: var(--space-xs) var(--space-sm);
  border-radius: var(--radius-sm);
  font-size: 0.8rem;
  font-weight: 500;
  font-family: var(--font-mono);
  transition: all 0.3s ease;
}

.tech-tag:hover {
  background: linear-gradient(135deg, var(--accent-purple), var(--primary-color));
  color: white;
  transform: translateY(-1px);
}

.project-actions {
  display: flex;
  gap: var(--space-sm);
  margin-top: auto;
}

.btn-project {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  padding: var(--space-md) var(--space-lg);
  border-radius: var(--radius-md);
  text-decoration: none;
  font-weight: 600;
  font-size: 0.9rem;
  transition: all 0.3s ease;
  border: 2px solid transparent;
  cursor: pointer;
}

.btn-project.primary {
  background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
  color: white;
  box-shadow: var(--shadow-sm);
}

.btn-project.primary:hover {
  background: linear-gradient(135deg, var(--primary-dark), var(--primary-color));
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.btn-project.secondary {
  background: linear-gradient(135deg, var(--accent-green), #047857);
  color: white;
  box-shadow: var(--shadow-sm);
}

.btn-project.secondary:hover {
  background: linear-gradient(135deg, #047857, var(--accent-green));
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.btn-project span {
  font-size: 1rem;
}

/* Contato */
.contact-intro {
  font-size: 1.1rem;
  margin-bottom: var(--space-lg);
  color: var(--text-secondary);
}

.contact-methods {
  display: grid;
  gap: var(--space-md);
}

.contact-item {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  padding: var(--space-lg);
  background: linear-gradient(135deg, #f8fafc 0%, #f1f5f9 100%);
  border-radius: var(--radius-md);
  text-decoration: none;
  color: var(--text-primary);
  transition: all 0.3s ease;
  border: 1px solid var(--border-color);
}

.contact-item:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
  background: linear-gradient(135deg, var(--primary-color), var(--primary-light));
  color: white;
}

.contact-item .icon {
  font-size: 1.5rem;
  min-width: 2rem;
}

.contact-item strong {
  display: block;
  margin-bottom: var(--space-xs);
}

/* Sidebar */
.sidebar {
  display: flex;
  flex-direction: column;
  gap: var(--space-lg);
}

.sidebar-section {
  background: var(--surface-color);
  padding: var(--space-lg);
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-color);
  box-shadow: var(--shadow-sm);
}

.sidebar-section h3 {
  font-size: 1.1rem;
  margin-bottom: var(--space-md);
  color: var(--text-primary);
}

/* Links sociais */
.social-links {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

.social-link {
  display: block;
  padding: var(--space-md);
  border-radius: var(--radius-md);
  text-decoration: none;
  transition: all 0.3s ease;
  border: 2px solid var(--border-color);
}

.social-link.linkedin {
  color: #0077b5;
  border-color: #0077b5;
}

.social-link.instagram {
  color: #e4405f;
  border-color: #e4405f;
}

.social-link.github {
  color: #333;
  border-color: #333;
}

.social-link:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.social-link.linkedin:hover {
  background: #0077b5;
  color: white;
}

.social-link.instagram:hover {
  background: linear-gradient(45deg, #f09433 0%, #e6683c 25%, #dc2743 50%, #cc2366 75%, #bc1888 100%);
  color: white;
}

.social-link.github:hover {
  background: #333;
  color: white;
}

.social-link span {
  display: block;
  font-weight: 600;
  margin-bottom: var(--space-xs);
}

.social-link small {
  opacity: 0.8;
}

/* Idiomas */
.language-item {
  margin-bottom: var(--space-md);
}

.language {
  display: block;
  font-weight: 500;
  margin-bottom: var(--space-xs);
}

.level-bar {
  height: 6px;
  background: var(--border-color);
  border-radius: var(--radius-sm);
  overflow: hidden;
  margin-bottom: var(--space-xs);
}

.level-fill {
  height: 100%;
  background: linear-gradient(to right, var(--primary-color), var(--accent-green));
  transition: width 0.8s ease;
}

/* Aprendizado */
.learning-item {
  padding: var(--space-md);
  border-left: 3px solid var(--accent-orange);
  background: linear-gradient(135deg, #fef3c7 0%, #fde68a 100%);
  border-radius: var(--radius-sm);
  margin-bottom: var(--space-sm);
}

.learning-item span {
  display: block;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: var(--space-xs);
}

.learning-item small {
  color: var(--text-secondary);
}

/* Footer */
.main-footer {
  text-align: center;
  padding: var(--space-xl);
  background: linear-gradient(135deg, var(--text-primary) 0%, var(--secondary-color) 100%);
  color: white;
  border-radius: var(--radius-lg);
  margin-top: var(--space-xl);
}


.main-footer small {
  opacity: 0.8;
}

/* Responsive */
@media (max-width: 1200px) {
  .content-grid {
    grid-template-columns: 1fr;
    gap: var(--space-xl);
  }
  
  .sidebar {
    order: -1;
    position: static;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--space-lg);
    margin-bottom: var(--space-xl);
  }
}

@media (max-width: 768px) {
  .container {
    padding: var(--space-sm);
  }
  
  .hero-content {
    flex-direction: column;
    text-align: center;
  }
  
  .hero-text h1 {
    font-size: 2rem;
  }
  
  .main-nav ul {
    flex-direction: column;
    align-items: center;
  }
  
  .content-section {
    padding: var(--space-lg);
  }
  
  .projects-grid {
    grid-template-columns: 1fr;
    gap: var(--space-lg);
  }
  
  .sidebar {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 480px) {
  .hero {
    padding: var(--space-lg);
  }
  
  .hero-text h1 {
    font-size: 1.75rem;
  }
  
  .profile-pic {
    width: 100px;
    height: 100px;
  }
  
  .content-section {
    padding: var(--space-md);
  }
  
  .skill-tags {
    flex-direction: column;
  }
  
  .projects-grid {
    grid-template-columns: 1fr;
    gap: var(--space-md);
  }
  
  .project-card {
    padding: var(--space-lg);
  }
  
  .project-tech {
    justify-content: center;
  }
  
  .contact-item {
    flex-direction: column;
    text-align: center;
  }
}

/* Animações sutis */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.content-section {
  animation: fadeInUp 0.6s ease forwards;
}

.content-section:nth-child(2) { animation-delay: 0.1s; }
.content-section:nth-child(3) { animation-delay: 0.2s; }
.content-section:nth-child(4) { animation-delay: 0.3s; }

/* Scroll suave e melhor legibilidade */
::selection {
  background: var(--primary-color);
  color: white;
}

:focus {
  outline: 2px solid var(--primary-color);
  outline-offset: 2px;
}