/* === PORTFOLIO SIMPLES E FUNCIONAL === */

:root {
  --primary: #0066cc;
  --primary-light: #3388dd;
  --secondary: #6c757d;
  --accent: #28a745;
  --danger: #dc3545;

  --bg-primary: #ffffff;
  --bg-secondary: #f8f9fa;
  --bg-card: #ffffff;
  --bg-code: #f1f3f4;

  --text-primary: #212529;
  --text-secondary: #6c757d;
  --text-light: #ffffff;

  --border-color: #dee2e6;
  --shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 4px 20px rgba(0, 0, 0, 0.15);

  --font-family: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI",
    sans-serif;
  --transition: all 0.3s ease;
}

/* Dark theme */
@media (prefers-color-scheme: dark) {
  :root {
    --bg-primary: #1a1a1a;
    --bg-secondary: #2d2d2d;
    --bg-card: #2d2d2d;
    --bg-code: #3d3d3d;

    --text-primary: #ffffff;
    --text-secondary: #b3b3b3;

    --border-color: #404040;
  }
}

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

html {
  scroll-behavior: smooth;
}

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

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

/* Header */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  background: var(--bg-primary);
  border-bottom: 1px solid var(--border-color);
  z-index: 1000;
  backdrop-filter: blur(10px);
}

.nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1rem 2rem;
  max-width: 1200px;
  margin: 0 auto;
}

.nav-brand {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--primary);
}

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

.nav-links a {
  text-decoration: none;
  color: var(--text-primary);
  font-weight: 500;
  transition: var(--transition);
}

.nav-links a:hover {
  color: var(--primary);
}

.mobile-menu-btn {
  display: none;
  background: none;
  border: none;
  font-size: 1.5rem;
  color: var(--text-primary);
  cursor: pointer;
}

@media (max-width: 768px) {
  .nav-links {
    display: none;
  }

  .mobile-menu-btn {
    display: block;
  }
}

/* Hero Section */
.hero {
  padding: 8rem 0 4rem;
  background: linear-gradient(
    135deg,
    var(--bg-primary) 0%,
    var(--bg-secondary) 100%
  );
  text-align: center;
}

.hero-content {
  max-width: 800px;
  margin: 0 auto;
}

.hero-image {
  margin-bottom: 2rem;
}

.hero-image img {
  width: 150px;
  height: 150px;
  border-radius: 50%;
  border: 4px solid var(--primary);
  box-shadow: var(--shadow-lg);
}

.hero h1 {
  font-size: 3rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
  color: var(--text-primary);
}

.hero h2 {
  font-size: 1.5rem;
  color: var(--primary);
  margin-bottom: 1.5rem;
  font-weight: 600;
}

.hero p {
  font-size: 1.1rem;
  color: var(--text-secondary);
  margin-bottom: 2rem;
  line-height: 1.8;
}

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

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.75rem 1.5rem;
  text-decoration: none;
  border-radius: 8px;
  font-weight: 600;
  transition: var(--transition);
  border: 2px solid transparent;
}

.btn-primary {
  background: var(--primary);
  color: var(--text-light);
}

.btn-primary:hover {
  background: var(--primary-light);
  transform: translateY(-2px);
}

.btn-secondary {
  background: transparent;
  color: var(--text-primary);
  border-color: var(--border-color);
}

.btn-secondary:hover {
  background: var(--bg-secondary);
  transform: translateY(-2px);
}

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

.btn-outline:hover {
  background: var(--primary);
  color: var(--text-light);
  transform: translateY(-2px);
}

/* Sections */
section {
  padding: 4rem 0;
}

section h2 {
  font-size: 2.5rem;
  text-align: center;
  margin-bottom: 3rem;
  color: var(--text-primary);
}

/* About Section */
.about {
  background: var(--bg-secondary);
}

.about-text p {
  font-size: 1.1rem;
  margin-bottom: 1.5rem;
  color: var(--text-secondary);
  max-width: 800px;
  margin-left: auto;
  margin-right: auto;
  text-align: center;
}

.education-highlight {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
  margin: 3rem 0;
  max-width: 800px;
  margin-left: auto;
  margin-right: auto;
}

.education-item {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  padding: 2rem;
  background: var(--bg-card);
  border-radius: 12px;
  box-shadow: var(--shadow);
  border-left: 4px solid var(--primary);
}

.education-item i {
  font-size: 2rem;
  color: var(--primary);
  min-width: 2rem;
}

.education-item h4 {
  margin: 0 0 0.5rem 0;
  color: var(--text-primary);
  font-size: 1.1rem;
  font-weight: 600;
}

.education-item p {
  margin: 0;
  color: var(--text-secondary);
  font-size: 0.9rem;
  text-align: left;
}

.stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 2rem;
  margin-top: 3rem;
}

.stat-item {
  text-align: center;
  padding: 2rem;
  background: var(--bg-card);
  border-radius: 12px;
  box-shadow: var(--shadow);
}

.stat-number {
  display: block;
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--primary);
  margin-bottom: 0.5rem;
}

.stat-label {
  color: var(--text-secondary);
  font-weight: 500;
}

/* Projects Section */
.projects-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
  gap: 2rem;
  margin-bottom: 3rem;
}

.project-card {
  background: var(--bg-card);
  border-radius: 12px;
  padding: 2rem;
  box-shadow: var(--shadow);
  transition: var(--transition);
  border: 1px solid var(--border-color);
}

.project-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-lg);
}

.project-card.featured {
  border-color: var(--primary);
  background: linear-gradient(
    135deg,
    var(--bg-card) 0%,
    rgba(0, 102, 204, 0.05) 100%
  );
}

.project-header {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-bottom: 1rem;
  position: relative;
}

.project-header i {
  font-size: 1.5rem;
  color: var(--primary);
}

.project-header h3 {
  font-size: 1.25rem;
  font-weight: 600;
  flex: 1;
}

.project-badge {
  position: absolute;
  top: -0.5rem;
  right: 0;
  background: var(--primary);
  color: var(--text-light);
  padding: 0.25rem 0.75rem;
  border-radius: 20px;
  font-size: 0.75rem;
  font-weight: 600;
}

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

.project-tech {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: 1rem;
}

.project-tech span {
  background: var(--bg-code);
  color: var(--text-primary);
  padding: 0.25rem 0.75rem;
  border-radius: 20px;
  font-size: 0.875rem;
  font-weight: 500;
}

.project-stats {
  margin-bottom: 1.5rem;
}

.project-stats span {
  color: var(--accent);
  font-weight: 500;
  font-size: 0.9rem;
}

.project-links {
  display: flex;
  gap: 1rem;
}

.project-links a {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.5rem 1rem;
  background: var(--bg-secondary);
  color: var(--text-primary);
  text-decoration: none;
  border-radius: 6px;
  font-weight: 500;
  transition: var(--transition);
  border: 1px solid var(--border-color);
}

.project-links a:hover {
  background: var(--primary);
  color: var(--text-light);
  transform: translateY(-2px);
}

.more-projects {
  text-align: center;
  margin-top: 3rem;
}

/* Skills Section */
.skills {
  background: var(--bg-secondary);
}

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

.skill-category {
  background: var(--bg-card);
  padding: 2rem;
  border-radius: 12px;
  box-shadow: var(--shadow);
  text-align: center;
}

.skill-category h3 {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.75rem;
  font-size: 1.25rem;
  margin-bottom: 1.5rem;
  color: var(--text-primary);
}

.skill-category i {
  color: var(--primary);
  font-size: 1.5rem;
}

.skill-list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  justify-content: center;
}

.skill-list span {
  background: var(--primary);
  color: var(--text-light);
  padding: 0.5rem 1rem;
  border-radius: 20px;
  font-weight: 500;
  font-size: 0.9rem;
}

/* Contact Section */
.contact {
  text-align: center;
}

.contact p {
  font-size: 1.1rem;
  color: var(--text-secondary);
  margin-bottom: 3rem;
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

.contact-links {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 1.5rem;
  max-width: 800px;
  margin: 0 auto;
}

.contact-link {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1rem;
  padding: 2rem;
  background: var(--bg-card);
  border-radius: 12px;
  text-decoration: none;
  color: var(--text-primary);
  transition: var(--transition);
  box-shadow: var(--shadow);
  border: 1px solid var(--border-color);
}

.contact-link:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-lg);
  background: var(--primary);
  color: var(--text-light);
}

.contact-link i {
  font-size: 2rem;
}

.contact-link span {
  font-weight: 600;
}

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

.footer p {
  color: var(--text-secondary);
}

/* Responsive */
@media (max-width: 768px) {
  .hero h1 {
    font-size: 2rem;
  }

  .hero h2 {
    font-size: 1.25rem;
  }

  section h2 {
    font-size: 2rem;
  }

  .projects-grid {
    grid-template-columns: 1fr;
  }

  .hero-buttons {
    flex-direction: column;
    align-items: center;
  }

  .btn {
    width: 200px;
    justify-content: center;
  }

  .project-links {
    flex-direction: column;
  }

  .contact-links {
    grid-template-columns: 1fr;
  }

  .education-highlight {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 480px) {
  .container {
    padding: 0 15px;
  }

  .nav {
    padding: 1rem 15px;
  }

  .hero {
    padding: 6rem 0 3rem;
  }

  section {
    padding: 3rem 0;
  }

  .project-card,
  .skill-category,
  .stat-item,
  .education-item {
    padding: 1.5rem;
  }

  .education-highlight {
    grid-template-columns: 1fr;
    gap: 1rem;
  }
}