/*Colors*/
:root {
  --letras_color--: #ffffff;
  --primary_color--: #0f0f0f;
  --segundary_color--: #2563eb;
  --background_color--: #070707;
  --card_color--: rgb(13, 13, 13);
  --tag_color--: rgba(6, 68, 204, 0.1);


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

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
  line-height: 1.6;
  color: #333;
  background-color: var(--background_color--);
}

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

/* Header */
.header {
  position: fixed;
  top: 0;
  width: 100%;
  background: var(--primary_color--) opacity(0.8);
  backdrop-filter: blur(10px);
  box-shadow: 0 2px 4px rgba(28, 64, 224, 0.158);
  z-index: 1000;
  transition: all 0.3s ease;
}

.header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 70px;
}

.nav-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: bold;
  font-size: 1.2rem;
  color: var(--letras_color--);
}

.nav-brand i {
  font-size: 1.5rem;
  color: var(--segundary_color--);
}

.nav-list {
  display: flex;
  list-style: none;
  gap: 30px;
}

.nav-link {
  text-decoration: none;
  color: var(--letras_color--);
  font-weight: 500;
  transition: color 0.3s ease;
  position: relative;
}

.nav-link:hover {
  color: var(--letras_color--);
}

.nav-link::after {
  content: "";
  position: absolute;
  width: 0;
  height: 2px;
  bottom: -5px;
  left: 0;
  background-color: var(--segundary_color--);
  transition: width 0.3s ease;
}

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

.social-links {
  display: flex;
  gap: 15px;
}

.social-link {
  color: var(--letras_color--);
  font-size: 1.2rem;
  transition: color 0.3s ease;
}

.social-link:hover {
  color: var(--segundary_color--);
}

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

/* Hero Section */
.hero {
  position: relative; 
  padding: 120px 0 80px;
  text-align: center;
  overflow: hidden; 
}

#matrix-canvas {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: -1; 
}

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

.hero-image {
  margin-bottom: 30px;
}

.profile-img {
  width: 350px;
  height: 350px;
  border-radius: 50%;
  border: 4px solid rgba(37, 99, 235, 0.2);
  object-fit: cover;
}

.hero-title {
  font-size: 3.5rem;
  font-weight: bold;
  margin-bottom: 20px;
  color: var(--letras_color--);
}

.hero-description {
  font-size: 1.2rem;
  color: var(--letras_color--);
  margin-bottom: 30px;
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

.hero-badges {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 10px;
  margin-bottom: 40px;
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  background: rgba(6, 68, 204, 0.1);
  color: #0051ff;
  padding: 8px 16px;
  border-radius: 20px;
  font-size: 0.9rem;
  font-weight: 500;
}

.hero-buttons {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 20px;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 24px;
  border-radius: 8px;
  text-decoration: none;
  font-weight: 600;
  transition: all 0.3s ease;
  border: 2px solid transparent;
}

.btn-primary {
  background: #0051ff;
  color: white;
}

.btn-primary:hover {
  background: #02227a;
  transform: translateY(-2px);
}

.btn-outline {
  background: transparent;
  color: #2563eb;
  border-color: #2563eb;
}

.btn-outline:hover {
  background: #0051ff;
  color: white;
  transform: translateY(-2px);
}

/* Section Styles */
.section-header {
  text-align: center;
  margin-bottom: 60px;
}

.section-title {
  font-size: 2.5rem;
  font-weight: bold;
  margin-bottom: 15px;
  color: var(--letras_color--);
}

.section-description {
  font-size: 1.1rem;
  color: var(--letras_color--);
  max-width: 600px;
  margin: 0 auto;
}

/* Skills Section */
.skills {
  padding: 80px 0;
  background: var(--background_color--);
}

.skills-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 30px;
}

.skill-card {
  background: var(--card_color--);
  border: 1px solid var(--card_color--);
  padding: 30px;
  border-radius: 12px;
  box-shadow: 0 4px 6px rgba(0,0,0,0.3);
  transition: transform 0.3s ease, box-shadow 0.3s ease, background 0.5s ease;
}

.skill-card:hover {
  background: linear-gradient(135deg, #2563eb22, #1d4ed822);
  transform: translateY(-5px);
  box-shadow: 0 10px 25px rgba(0,0,0,0.5);
}

.skill-header {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 20px;
}

.skill-header i {
  font-size: 1.5rem;
  color: #2563eb;
  transition: transform 0.3s, color 0.3s;
}

.skill-card:hover .skill-header i:hover {
  transform: rotate(15deg) scale(1.2);
  color: #1d4ed8;
}

.skill-header h3 {
  font-size: 1.3rem;
  font-weight: 600;
  color: var(--letras_color--);
}

.skill-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.tag {
  background: linear-gradient(135deg, #2563eb, #1e40af);
  color: #fff;
  padding: 6px 14px;
  border-radius: 20px;
  font-size: 0.9rem;
  font-weight: 500;
  border: none;
  transition: transform 0.2s, box-shadow 0.2s;
}

.tag:hover {
  transform: scale(1.1);
  box-shadow: 0 4px 10px rgba(0, 0, 0, 0.15);
}


/* Projects Section */
.projects {
  padding: 80px 0;
}

.projects-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
  gap: 30px;
}

.project-card {
  background: var(--card_color--); /* fundo escuro */
  border: 1px solid var(--card_color--);
  border-radius: 12px;
  box-shadow: 0 4px 6px rgba(0,0,0,0.5);
  overflow: hidden;
  transition: transform 0.3s ease, box-shadow 0.3s ease, background 0.3s ease;
  display: flex;
  flex-direction: column;
}

.project-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 12px 30px rgba(0,0,0,0.7);
  background: linear-gradient(135deg, #2563eb22, #1d4ed822);
}

.project-header {
  padding: 25px;
  border-bottom: 1px solid #333;
}

.project-title {
  font-size: 1.4rem;
  font-weight: 600;
  margin-bottom: 10px;
  color: #ffffff;
}

.project-description {
  color: #cfcfcf;
  line-height: 1.6;
}

.project-content {
  padding: 25px;
  flex-grow: 1;
}

.project-tech {
  margin-bottom: 20px;
}

.project-tech h4 {
  font-weight: 600;
  margin-bottom: 10px;
  color: var(--letras_color--);
}

.tech-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.tech-tag {
  background: #2563eb22; /* azul leve */
  color: #ffffff;
  padding: 5px 12px;
  border-radius: 20px;
  font-size: 0.8rem;
  font-weight: 500;
  border: 1px solid #2563eb44;
  transition: all 0.3s;
}

.tech-tag:hover {
  background: #2563eb;
  box-shadow: 0 4px 10px rgba(0,0,0,0.5);
  transform: scale(1.1);
}

.project-features h4 {
  font-weight: 600;
  margin-bottom: 10px;
  color: #ffffff;
}

.project-features ul {
  list-style: none;
  padding: 0;
}

.project-features li {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 5px;
  color: #cfcfcf;
  font-size: 0.9rem;
}

.project-features li::before {
  content: "";
  width: 6px;
  height: 6px;
  background: #2563eb;
  border-radius: 50%;
}

.project-links {
  padding: 25px;
  border-top: 1px solid #333;
  display: flex;
  gap: 10px;
}

.project-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 16px;
  background: transparent;
  color: #2563eb;
  border: 1px solid #2563eb;
  border-radius: 6px;
  text-decoration: none;
  font-size: 0.9rem;
  font-weight: 500;
  transition: all 0.3s ease;
}

.project-link:hover {
  background: #2563eb;
  color: #fff;
  box-shadow: 0 4px 12px rgba(0,0,0,0.5);
}

/* Learning Section */
.learning {
  padding: 80px 0;
}

.section-title {
  color: #ffffff;
}

.section-description {
  color: #cfcfcf;
  max-width: 700px;
  margin: 0 auto 50px auto;
  text-align: center;
}

.learning-timeline {
  max-width: 800px;
  margin: 0 auto;
}

.learning-timeline::before {
  content: '';
  position: absolute;
  left: 10px;
  top: 0;
  width: 2px;
  height: 100%;
  background: #2564eb18;
}

.learning-item {
  background: var(--card_color--);
  padding: 30px;
  border-radius: 12px;
  box-shadow: 0 4px 6px rgba(0,0,0,0.5);
  margin-bottom: 30px;
  transition: transform 0.3s ease, box-shadow 0.3s ease, background 0.3s ease;
  position: relative;
}

.learning-item:hover {
  transform: translateY(-3px);
  box-shadow: 0 12px 25px rgba(0,0,0,0.7);
  background: linear-gradient(135deg, #2564eb07, #1d4fd80a);
}

.learning-header {
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 15px;
  margin-bottom: 15px;
}

.learning-title {
  font-size: 1.4rem;
  font-weight: 600;
  color: #ffffff;
}

.learning-institution {
  font-size: 1.1rem;
  font-weight: 500;
  color: #2563eb;
}

.learning-period {
  display: flex;
  align-items: center;
  gap: 6px;
  background: #1e1e1e;
  color: #2563eb;
  padding: 6px 12px;
  border-radius: 6px;
  font-size: 0.9rem;
  font-weight: 500;
}

.learning-description {
  color: #cfcfcf;
  margin-bottom: 20px;
  line-height: 1.6;
}

.learning-achievements h4 {
  font-weight: 600;
  margin-bottom: 10px;
  color: #ffffff;
}

.learning-achievements ul {
  list-style: none;
  padding: 0;
}

.learning-achievements li {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  margin-bottom: 8px;
  color: #cfcfcf;
  line-height: 1.5;
}

.learning-achievements li::before {
  content: "";
  width: 6px;
  height: 6px;
  background: #2563eb;
  border-radius: 50%;
  margin-top: 8px;
  flex-shrink: 0;
}

.learning-tabs {
  display: flex;
  justify-content: center;
  gap: 15px;
  margin-bottom: 40px;
}

.tab {
  padding: 8px 20px;
  border: 1px solid #2563eb;
  background: transparent;
  color: #2563eb;
  border-radius: 20px;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.3s ease;
}

.tab.active,
.tab:hover {
  background: #2563eb;
  color: #fff;
  box-shadow: 0 4px 12px rgba(37, 100, 235, 0.075);
}}

/* Contact Section */
.contact {
  padding: 80px 0;
  background: var(--background_color--); /* fundo escuro */
}

.section-title {
  color: #ffffff;
}

.section-description {
  color: #cfcfcf;
  max-width: 700px;
  margin: 0 auto 50px auto;
  text-align: center;
}

.contact-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
  gap: 30px;
  max-width: 900px;
  margin: 0 auto;
}

.contact-card {
  background: var(--card_color--);
  padding: 30px;
  border-radius: 12px;
  box-shadow: 0 4px 6px rgba(0, 0, 0, 0.6);
  transition: transform 0.3s ease, box-shadow 0.3s ease, background 0.3s ease;
}

.contact-card:hover {
  transform: translateY(-3px);
  box-shadow: 0 0px 25px rgba(37, 99, 235, 0.6);
  background: #2563eb11; /* leve destaque azul */
}

.contact-card h3 {
  font-size: 1.3rem;
  font-weight: 600;
  margin-bottom: 8px;
  color: #ffffff;
}

.contact-card > p {
  color: #cfcfcf;
  margin-bottom: 25px;
}

.contact-items {
  margin-bottom: 25px;
}

.contact-item {
  display: flex;
  align-items: center;
  gap: 15px;
  margin-bottom: 20px;
}

.contact-item i {
  font-size: 1.2rem;
  color: #2563eb;
  width: 20px;
}

.contact-item strong {
  display: block;
  font-weight: 600;
  color: #ffffff;
  margin-bottom: 2px;
}

.contact-item p {
  color: #cfcfcf;
  font-size: 0.9rem;
}

.contact-social {
  display: flex;
  gap: 10px;
  padding-top: 20px;
  border-top: 1px solid #2563eb33;
}

.social-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 16px;
  background: transparent;
  color: #2563eb;
  border: 1px solid #2563eb;
  border-radius: 6px;
  text-decoration: none;
  font-size: 0.9rem;
  font-weight: 500;
  transition: all 0.3s ease;
}

.social-btn:hover {
  background: #2563eb;
  color: white;
  box-shadow: 0 8px 20px rgba(37, 99, 235, 0.5);
}

.availability-status {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 25px;
}

.status-indicator {
  width: 12px;
  height: 12px;
  background: #10b981; /* verde para disponível */
  border-radius: 50%;
  box-shadow: 0 0px 10px #10b981;
}

.availability-status span {
  color: #ffffff; /* azul, por exemplo */
  font-weight: 600; /* opcional, deixa mais destacado */
}

.availability-info {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.availability-section strong {
  display: block;
  font-weight: 600;
  color: #ffffff;
  margin-bottom: 10px;
}

.availability-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.availability-tag {
  background: #1a1a1a;
  color: #2563eb;
  padding: 6px 12px;
  border-radius: 6px;
  font-size: 0.9rem;
  font-weight: 500;
  border: 1px solid #2563eb33;
  transition: all 0.3s ease;
}

.availability-tag:hover {
  background: #2563eb;
  color: #ffffff;
  border-color: #2563eb;
}

/* Footer */
.footer {
  background: var(--background_color--);
  color: white;
  padding: 40px 0;
}

.footer-content {
  display: flex;
  justify-content: center;
  align-items: center;
  flex-wrap: wrap;
  gap: 50px;
}

.footer-brand {
  display: flex;
  align-items: center;
  gap: 10px;
}

.footer-brand i {
  font-size: 1.2rem;
  color: #2563eb;
}

.footer-brand span:first-of-type {
  font-weight: 600;
  font-size: 1.1rem;
}

.footer-role {
  color: #94a3b8;
}

.footer-copyright {
  color: #94a3b8;
  font-size: 0.9rem;
}

/* Destaque para curso atual */
.learning-item.current {
  border-left: 4px solid #2563eb;
  background: linear-gradient(135deg, #f8fafc 0%, #e2e8f0 100%);
}

.learning-period.current-course {
  background: #2563eb;
  color: white;
  font-weight: 600;
}

.learning-item.current .learning-title {
  color: #2563eb;
}

/* Animação para o item atual */
.learning-item.current {
  animation: pulse-border 2s infinite;
}

@keyframes pulse-border {
  0% {
    border-left-color: #2563eb;
  }
  50% {
    border-left-color: #3b82f6;
  }
  100% {
    border-left-color: #2563eb;
  }
}

/* Theme Toggle */
.theme-toggle {
  position: relative;
  width: 60px;
  height: 30px;
  background: none;
  border: none;
  cursor: pointer;
  margin-left: 15px;
}

.theme-toggle-track {
  width: 100%;
  height: 100%;
  background: linear-gradient(135deg, #fbbf24, #f59e0b);
  border-radius: 15px;
  position: relative;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  box-shadow: inset 0 2px 4px rgba(0, 0, 0, 0.1), 0 2px 8px rgba(251, 191, 36, 0.3);
}

.theme-toggle-thumb {
  position: absolute;
  top: 2px;
  left: 2px;
  width: 26px;
  height: 26px;
  background: white;
  border-radius: 50%;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.2);
}

.sun-icon,
.moon-icon {
  position: absolute;
  font-size: 12px;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.sun-icon {
  color: #f59e0b;
  opacity: 1;
  transform: rotate(0deg) scale(1);
}

.moon-icon {
  color: #6366f1;
  opacity: 0;
  transform: rotate(180deg) scale(0);
}

/* Hover effects for theme toggle */
.theme-toggle:hover .theme-toggle-track {
  transform: scale(1.05);
}

.theme-toggle:active .theme-toggle-track {
  transform: scale(0.95);
}

/* Smooth transitions for theme change */
* {
  transition: background-color 0.3s ease, color 0.3s ease, border-color 0.3s ease;
}

/* Animation for theme toggle */
@keyframes toggleBounce {
  0% {
    transform: scale(1);
  }
  50% {
    transform: scale(1.1);
  }
  100% {
    transform: scale(1);
  }
}

.theme-toggle.animate {
  animation: toggleBounce 0.3s ease;
}

/* Responsive Design */
@media (max-width: 768px) {
  .nav {
    display: none;
  }

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

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

  .hero-description {
    font-size: 1.1rem;
  }

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

  .btn {
    width: 100%;
    max-width: 250px;
    justify-content: center;
  }

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

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

  .learning-header {
    flex-direction: column;
    align-items: flex-start;
  }

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

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

  .container {
    padding: 0 15px;
  }
}

@media (max-width: 480px) {
  .hero {
    padding: 100px 0 60px;
  }

  .hero-title {
    font-size: 2rem;
  }

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

  .badge {
    width: 100%;
    max-width: 200px;
    justify-content: center;
  }

  .project-card,
  .skill-card,
  .learning-item,
  .contact-card {
    margin: 0 -5px;
  }
}

/* Smooth scrolling */
html {
  scroll-behavior: smooth;
}

/* Animations */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.hero-content {
  animation: fadeInUp 0.8s ease-out;
}

/* Loading animation for images */
.profile-img {
  transition: opacity 0.3s ease;
}

.profile-img:not([src]) {
  opacity: 0;
}