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

:root {
  --primary: #6366f1;
  --primary-dark: #4f46e5;
  --secondary: #8b5cf6;
  --dark: #0f172a;
  --darker: #020617;
  --text: #e2e8f0;
  --text-dim: #94a3b8;
  --accent: #f59e0b;
  --success: #10b981;
}

body {
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  background: var(--darker);
  color: var(--text);
  overflow-x: hidden;
  line-height: 1.6;
}

#particles {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 0;
}

nav {
  position: fixed;
  top: 0;
  width: 100%;
  background: rgba(15, 23, 42, 0.8);
  backdrop-filter: blur(10px);
  padding: 1.5rem 5%;
  z-index: 1000;
  border-bottom: 1px solid rgba(99, 102, 241, 0.2);
}

nav ul {
  display: flex;
  justify-content: center;
  gap: 2rem;
  list-style: none;
  flex-wrap: wrap;
}

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

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

nav a:hover::after {
  width: 100%;
}

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

section {
  min-height: 100vh;
  padding: 6rem 5%;
  position: relative;
  z-index: 1;
  display: flex;
  align-items: center;
  justify-content: center;
}

.container {
  max-width: 1200px;
  width: 100%;
}

.hero-content {
  text-align: center;
  animation: fadeInUp 1s ease-out;
}

.hero-content h1 {
  font-size: clamp(2rem, 5vw, 4rem);
  margin-bottom: 1rem;
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-content .subtitle {
  font-size: clamp(1rem, 2vw, 1.5rem);
  color: var(--text-dim);
  margin-bottom: 2rem;
}

.hero-content .highlight {
  color: var(--accent);
  font-weight: 600;
}

.social-links {
  display: flex;
  gap: 1.5rem;
  justify-content: center;
  margin: 2rem 0;
}

.social-links a {
  width: 50px;
  height: 50px;
  border-radius: 50%;
  background: rgba(99, 102, 241, 0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text);
  font-size: 1.5rem;
  transition: all 0.3s;
  border: 2px solid transparent;
}

.social-links a:hover {
  background: var(--primary);
  transform: translateY(-5px);
  border-color: var(--primary);
  box-shadow: 0 10px 25px rgba(99, 102, 241, 0.4);
}

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

.about-text h2 {
  font-size: clamp(2rem, 4vw, 3rem);
  margin-bottom: 1.5rem;
  color: var(--primary);
}

.about-text p {
  color: var(--text-dim);
  margin-bottom: 1rem;
  font-size: 1.1rem;
}

.skills {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  margin-top: 2rem;
}

.skill-tag {
  padding: 0.5rem 1.5rem;
  background: rgba(99, 102, 241, 0.1);
  border: 1px solid var(--primary);
  border-radius: 25px;
  color: var(--text);
  font-size: 0.9rem;
  transition: all 0.3s;
}

.skill-tag:hover {
  background: var(--primary);
  transform: translateY(-3px);
  box-shadow: 0 5px 15px rgba(99, 102, 241, 0.4);
}

.about-visual {
  position: relative;
  display: flex;
  justify-content: center;
  align-items: center;
}

.code-window {
  background: rgba(15, 23, 42, 0.8);
  border: 1px solid rgba(99, 102, 241, 0.3);
  border-radius: 10px;
  padding: 2rem;
  backdrop-filter: blur(10px);
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5);
}

.code-line {
  font-family: 'Courier New', monospace;
  color: var(--text-dim);
  margin: 0.5rem 0;
  opacity: 0;
  animation: typeIn 0.5s forwards;
}

.code-line:nth-child(1) { animation-delay: 0.5s; }
.code-line:nth-child(2) { animation-delay: 1s; }
.code-line:nth-child(3) { animation-delay: 1.5s; }
.code-line:nth-child(4) { animation-delay: 2s; }

.code-keyword { color: #c678dd; }
.code-string { color: #98c379; }
.code-function { color: #61afef; }

.projects-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
  margin-top: 3rem;
}

.project-card {
  background: rgba(15, 23, 42, 0.6);
  border: 1px solid rgba(99, 102, 241, 0.2);
  border-radius: 15px;
  padding: 2rem;
  transition: all 0.3s;
  cursor: pointer;
  backdrop-filter: blur(10px);
}

.project-card:hover {
  transform: translateY(-10px);
  border-color: var(--primary);
  box-shadow: 0 20px 40px rgba(99, 102, 241, 0.3);
}

.project-card h3 {
  color: var(--primary);
  margin-bottom: 1rem;
  font-size: 1.5rem;
}

.project-card p {
  color: var(--text-dim);
  margin-bottom: 1.5rem;
}

.project-link {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  color: var(--primary);
  text-decoration: none;
  font-weight: 600;
  transition: all 0.3s;
}

.project-link:hover {
  color: var(--secondary);
  gap: 1rem;
}

.section-title {
  text-align: center;
  font-size: clamp(2rem, 4vw, 3rem);
  margin-bottom: 3rem;
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.scroll-indicator {
  position: absolute;
  bottom: 2rem;
  left: 50%;
  transform: translateX(-50%);
  animation: bounce 2s infinite;
}

/* FETEPS/AXII Section Styles */
.feature-content {
  max-width: 900px;
  margin: 0 auto;
}

.feature-main {
  background: rgba(15, 23, 42, 0.6);
  border: 1px solid rgba(99, 102, 241, 0.3);
  border-radius: 20px;
  padding: 3rem;
  backdrop-filter: blur(10px);
}

.feature-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  padding: 0.5rem 1.5rem;
  border-radius: 25px;
  font-size: 0.9rem;
  font-weight: 600;
  margin-bottom: 1.5rem;
}

.feature-badge.success {
  background: linear-gradient(135deg, var(--success), #059669);
}

.feature-main h3 {
  font-size: 2.5rem;
  color: var(--primary);
  margin-bottom: 0.5rem;
}

.feature-date {
  color: var(--text-dim);
  font-style: italic;
  margin-bottom: 2rem;
}

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

.feature-description strong {
  color: var(--primary);
  font-weight: 600;
}

.feature-highlights {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 1.5rem;
  margin: 2rem 0;
}

.highlight-item {
  text-align: center;
  padding: 1.5rem;
  background: rgba(99, 102, 241, 0.05);
  border-radius: 15px;
  border: 1px solid rgba(99, 102, 241, 0.2);
  transition: all 0.3s;
}

.highlight-item:hover {
  transform: translateY(-5px);
  border-color: var(--primary);
  box-shadow: 0 10px 30px rgba(99, 102, 241, 0.2);
}

.highlight-item i {
  font-size: 2.5rem;
  color: var(--primary);
  margin-bottom: 1rem;
}

.highlight-item h4 {
  color: var(--text);
  margin-bottom: 0.5rem;
  font-size: 1.2rem;
}

.highlight-item p {
  color: var(--text-dim);
  font-size: 0.9rem;
}

.feature-reflection {
  color: var(--text-dim);
  font-size: 1.05rem;
  line-height: 1.8;
  margin: 2rem 0;
  padding: 1.5rem;
  border-left: 3px solid var(--primary);
  background: rgba(99, 102, 241, 0.05);
  border-radius: 0 10px 10px 0;
}

.project-tech {
  margin: 2rem 0;
}

.project-tech h4 {
  color: var(--text);
  margin-bottom: 1rem;
  font-size: 1.1rem;
}

.tech-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.8rem;
}

.tech-tag {
  padding: 0.5rem 1.2rem;
  background: rgba(139, 92, 246, 0.1);
  border: 1px solid var(--secondary);
  border-radius: 20px;
  color: var(--text);
  font-size: 0.9rem;
  transition: all 0.3s;
}

.tech-tag:hover {
  background: var(--secondary);
  transform: translateY(-2px);
  box-shadow: 0 5px 15px rgba(139, 92, 246, 0.4);
}

.feature-buttons {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  margin-top: 2rem;
}

.feature-link {
  display: inline-flex;
  align-items: center;
  gap: 0.8rem;
  padding: 1rem 2rem;
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  color: white;
  text-decoration: none;
  border-radius: 10px;
  font-weight: 600;
  transition: all 0.3s;
  flex: 1;
  min-width: 200px;
  justify-content: center;
}

.feature-link:hover {
  transform: translateY(-3px);
  box-shadow: 0 10px 30px rgba(99, 102, 241, 0.4);
}

.feature-link i {
  font-size: 1.3rem;
}

.feature-link.secondary {
  background: linear-gradient(135deg, var(--secondary), var(--primary));
}

.feature-link.news {
  background: linear-gradient(135deg, var(--accent), #d97706);
}

.feature-link.success {
  background: linear-gradient(135deg, var(--success), #059669);
}

/* Cursos Section */
.courses-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 2rem;
  margin-top: 3rem;
}

.course-card {
  background: rgba(15, 23, 42, 0.6);
  border: 1px solid rgba(99, 102, 241, 0.2);
  border-radius: 15px;
  padding: 2rem;
  transition: all 0.3s;
  backdrop-filter: blur(10px);
  position: relative;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  height: 100%;
}

.course-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 4px;
  background: linear-gradient(90deg, var(--primary), var(--secondary));
}

.course-card:hover {
  transform: translateY(-5px);
  border-color: var(--primary);
  box-shadow: 0 15px 35px rgba(99, 102, 241, 0.3);
}

.course-header {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
  margin-bottom: 1.5rem;
}

.course-icon {
  width: 50px;
  height: 50px;
  border-radius: 10px;
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  flex-shrink: 0;
}

.course-info h3 {
  color: var(--primary);
  font-size: 1.3rem;
  margin-bottom: 0.3rem;
}

.course-info .institution {
  color: var(--text-dim);
  font-size: 0.9rem;
}

.course-details {
  color: var(--text-dim);
  margin-bottom: 1rem;
  line-height: 1.6;
}

.course-meta {
  display: flex;
  gap: 1rem;
  margin-top: 1rem;
  padding-top: 1rem;
  border-top: 1px solid rgba(99, 102, 241, 0.2);
  margin-top: auto;
}

.course-meta-item {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  color: var(--text-dim);
  font-size: 0.9rem;
}

.course-meta-item i {
  color: var(--primary);
}

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

@keyframes typeIn {
  from {
    opacity: 0;
    transform: translateX(-20px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

@keyframes bounce {
  0%, 20%, 50%, 80%, 100% {
    transform: translateX(-50%) translateY(0);
  }
  40% {
    transform: translateX(-50%) translateY(-10px);
  }
  60% {
    transform: translateX(-50%) translateY(-5px);
  }
}

@media (max-width: 768px) {
  nav ul {
    gap: 1rem;
  }

  .about-content {
    grid-template-columns: 1fr;
  }

  section {
    padding: 4rem 5%;
  }

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

  .feature-buttons {
    flex-direction: column;
  }
  
  .feature-link {
    width: 100%;
  }

  .feature-main {
    padding: 2rem;
  }

  .feature-main h3 {
    font-size: 2rem;
  }
}