/* Componentes reutilizables */

/* Botones */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-2);
  border-radius: var(--radius-md);
  font-weight: 500;
  font-size: var(--font-size-sm);
  line-height: 1;
  transition: var(--transition-smooth);
  text-decoration: none;
  border: 1px solid transparent;
  cursor: pointer;
  font-family: inherit;
}

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

/* Tamaños de botón */
.btn-sm {
  padding: var(--spacing-2) var(--spacing-4);
  font-size: var(--font-size-xs);
}

.btn-lg {
  padding: var(--spacing-6) var(--spacing-8);
  font-size: var(--font-size-lg);
}

.btn-full {
  width: 100%;
}

/* Variantes de botón */
.btn-primary {
  background: var(--gradient-primary);
  color: var(--color-primary-foreground);
  box-shadow: var(--shadow-glow);
}

.btn-primary:hover {
  transform: scale(1.05);
  box-shadow: 0 0 40px hsl(217, 91%, 60%, 0.4);
}

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

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

.btn .icon {
  font-size: 1em;
}

/* Tags/Badges */
.tag, .tech-tag {
  display: inline-block;
  padding: var(--spacing-1) var(--spacing-3);
  background: var(--color-secondary);
  color: var(--color-secondary-foreground);
  border-radius: var(--radius);
  font-size: var(--font-size-xs);
  font-weight: 500;
  border: 1px solid var(--color-border);
  transition: var(--transition-smooth);
}

.tag:hover, .tech-tag:hover {
  background: hsl(217, 91%, 60%, 0.2);
  border-color: hsl(217, 91%, 60%, 0.3);
}

/* Navbar */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  transition: var(--transition-smooth);
  background: transparent;
}

.navbar.scrolled {
  background: hsl(220, 20%, 7%, 0.8);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid hsl(220, 15%, 20%, 0.5);
  box-shadow: var(--shadow-card);
}

.nav-content {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 4rem;
}

.logo a {
  font-size: var(--font-size-xl);
  font-weight: 700;
  background: var(--gradient-primary);
  background-clip: text;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  text-decoration: none;
  transition: var(--transition-smooth);
}

.logo a:hover {
  transform: scale(1.05);
}

.nav-menu {
  display: flex;
  list-style: none;
  gap: var(--spacing-8);
  margin: 0;
  padding: 0;
}

.nav-link {
  color: var(--color-muted-foreground);
  text-decoration: none;
  transition: var(--transition-smooth);
  position: relative;
}

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

.nav-link::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--color-primary);
  transition: var(--transition-smooth);
}

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

.nav-actions {
  display: flex;
  align-items: center;
}

.hamburger {
  display: none;
  flex-direction: column;
  gap: 4px;
  cursor: pointer;
  padding: var(--spacing-2);
}

.hamburger span {
  width: 24px;
  height: 2px;
  background: var(--color-foreground);
  transition: var(--transition-smooth);
}

.hamburger.active span:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}

.hamburger.active span:nth-child(2) {
  opacity: 0;
}

.hamburger.active span:nth-child(3) {
  transform: rotate(-45deg) translate(7px, -6px);
}

@media (max-width: 768px) {
  .nav-menu {
    position: fixed;
    top: 4rem;
    left: 0;
    right: 0;
    background: hsl(220, 20%, 7%, 0.95);
    backdrop-filter: blur(16px);
    border-bottom: 1px solid var(--color-border);
    flex-direction: column;
    padding: var(--spacing-4);
    gap: var(--spacing-4);
    transform: translateY(-100%);
    opacity: 0;
    visibility: hidden;
    transition: var(--transition-smooth);
  }

  .nav-menu.active {
    transform: translateY(0);
    opacity: 1;
    visibility: visible;
  }

  .nav-actions {
    display: none;
  }

  .hamburger {
    display: flex;
  }
}

/* Experience Section */
.experience {
  background: hsl(220, 15%, 10%, 0.1);
}

.experience-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-12);
  margin-bottom: var(--spacing-20);
}

.subsection-title {
  font-size: var(--font-size-2xl);
  font-weight: 600;
  margin-bottom: var(--spacing-8);
  display: flex;
  align-items: center;
  gap: var(--spacing-3);
}

.subsection-title .icon {
  font-size: var(--font-size-xl);
}

.timeline {
  position: relative;
  padding-left: var(--spacing-6);
}

.timeline::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 2px;
  background: var(--color-border);
}

.timeline-item {
  position: relative;
  margin-bottom: var(--spacing-8);
}

.timeline-item::before {
  content: '';
  position: absolute;
  left: -var(--spacing-6);
  top: var(--spacing-2);
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--color-primary);
  transform: translateX(-50%);
  box-shadow: 0 0 0 4px var(--color-background);
}

.timeline-content {
  background: var(--gradient-card);
  border: 1px solid hsl(220, 15%, 20%, 0.5);
  border-radius: var(--radius-lg);
  padding: var(--spacing-6);
  transition: var(--transition-smooth);
}

.timeline-content:hover {
  border-color: hsl(217, 91%, 60%, 0.5);
}

.timeline-title {
  font-size: var(--font-size-lg);
  font-weight: 600;
  margin-bottom: var(--spacing-2);
}

.timeline-meta {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-1);
  margin-bottom: var(--spacing-3);
  font-size: var(--font-size-sm);
}

.institution {
  font-weight: 500;
  color: var(--color-foreground);
}

.period, .location {
  color: var(--color-muted-foreground);
}

.timeline-description {
  color: var(--color-muted-foreground);
  line-height: 1.6;
  margin-bottom: var(--spacing-4);
}

.timeline-tags {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-2);
  margin-bottom: var(--spacing-4);
}

.achievements {
  margin-top: var(--spacing-4);
}

.achievements p {
  font-size: var(--font-size-sm);
  font-weight: 500;
  margin-bottom: var(--spacing-2);
}

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

.achievements li {
  font-size: var(--font-size-sm);
  color: var(--color-muted-foreground);
  margin-bottom: var(--spacing-1);
  display: flex;
  align-items: center;
}

.achievements li::before {
  content: '';
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--color-accent);
  margin-right: var(--spacing-2);
}

.certifications {
  margin-top: var(--spacing-20);
}

.certifications .subsection-title {
  text-align: center;
  justify-content: center;
  margin-bottom: var(--spacing-12);
}

.cert-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--spacing-6);
}

.cert-item {
  display: flex;
  align-items: center;
  gap: var(--spacing-4);
  padding: var(--spacing-4);
  background: var(--gradient-card);
  border: 1px solid hsl(220, 15%, 20%, 0.5);
  border-radius: var(--radius-lg);
  transition: var(--transition-smooth);
}

.cert-item:hover {
  border-color: hsl(217, 91%, 60%, 0.5);
}

.cert-icon {
  width: 2.5rem;
  height: 2.5rem;
  border-radius: var(--radius);
  background: hsl(142, 76%, 36%, 0.2);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--font-size-lg);
}

.cert-info h4 {
  font-weight: 500;
  margin-bottom: var(--spacing-1);
}

.cert-info p {
  font-size: var(--font-size-sm);
  color: var(--color-muted-foreground);
}

@media (max-width: 768px) {
  .experience-content {
    grid-template-columns: 1fr;
    gap: var(--spacing-8);
  }
  
  .timeline-meta {
    font-size: var(--font-size-xs);
  }
  
  .cert-grid {
    grid-template-columns: 1fr;
  }
}

/* Contact Section */
.contact {
  background: hsl(220, 15%, 10%, 0.2);
}

.contact-content {
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: var(--spacing-12);
  margin-bottom: var(--spacing-16);
}

.contact-info h3 {
  font-size: var(--font-size-2xl);
  font-weight: 600;
  margin-bottom: var(--spacing-6);
}

.contact-items {
  margin-bottom: var(--spacing-8);
}

.contact-item {
  display: flex;
  align-items: center;
  gap: var(--spacing-4);
  margin-bottom: var(--spacing-6);
}

.contact-icon {
  width: 3rem;
  height: 3rem;
  border-radius: var(--radius);
  background: var(--gradient-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--font-size-lg);
}

.contact-label {
  font-size: var(--font-size-sm);
  color: var(--color-muted-foreground);
  margin: 0;
}

.contact-value {
  font-weight: 500;
  color: var(--color-foreground);
  text-decoration: none;
  transition: var(--transition-smooth);
}

.contact-value:hover {
  color: var(--color-primary);
}

.social-section {
  margin-bottom: var(--spacing-8);
}

.social-section h4 {
  font-size: var(--font-size-lg);
  font-weight: 600;
  margin-bottom: var(--spacing-4);
}

.availability-card {
  padding: var(--spacing-6);
  background: var(--gradient-card);
  border: 1px solid hsl(220, 15%, 20%, 0.5);
  border-radius: var(--radius-lg);
}

.availability-card h4 {
  font-size: var(--font-size-lg);
  font-weight: 600;
  margin-bottom: var(--spacing-3);
}

.availability-card p {
  color: var(--color-muted-foreground);
  margin-bottom: var(--spacing-4);
}

.status {
  display: flex;
  align-items: center;
  gap: var(--spacing-2);
}

.status-indicator {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--color-accent);
  animation: pulse 2s infinite;
}

.status span {
  font-size: var(--font-size-sm);
  font-weight: 500;
  color: var(--color-accent);
}

.contact-form-container {
  display: flex;
  flex-direction: column;
}

.contact-form-card {
  background: var(--gradient-card);
  border: 1px solid hsl(220, 15%, 20%, 0.5);
  border-radius: var(--radius-lg);
  padding: var(--spacing-8);
}

.contact-form-card h3 {
  font-size: var(--font-size-2xl);
  font-weight: 600;
  margin-bottom: var(--spacing-6);
}

.contact-form {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-6);
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-6);
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-2);
}

.form-group label {
  font-size: var(--font-size-sm);
  font-weight: 500;
  color: var(--color-foreground);
}

.form-group input,
.form-group textarea {
  padding: var(--spacing-3) var(--spacing-4);
  background: hsl(220, 20%, 7%, 0.5);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  color: var(--color-foreground);
  font-family: inherit;
  font-size: var(--font-size-sm);
  transition: var(--transition-smooth);
}

.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 2px hsl(217, 91%, 60%, 0.2);
}

.form-group textarea {
  resize: vertical;
  min-height: 120px;
}

.form-group input::placeholder,
.form-group textarea::placeholder {
  color: var(--color-muted-foreground);
}

.contact-cta {
  text-align: center;
  margin-top: var(--spacing-16);
}

.cta-card {
  background: var(--gradient-card);
  border: 1px solid hsl(220, 15%, 20%, 0.5);
  border-radius: var(--radius-lg);
  padding: var(--spacing-8);
  max-width: 32rem;
  margin: 0 auto;
}

.cta-card h3 {
  font-size: var(--font-size-2xl);
  font-weight: 600;
  margin-bottom: var(--spacing-4);
}

.cta-card p {
  color: var(--color-muted-foreground);
  margin-bottom: var(--spacing-6);
}

.cta-actions {
  display: flex;
  gap: var(--spacing-4);
  justify-content: center;
  flex-wrap: wrap;
}

@media (max-width: 768px) {
  .contact-content {
    grid-template-columns: 1fr;
    gap: var(--spacing-8);
  }
  
  .form-row {
    grid-template-columns: 1fr;
    gap: var(--spacing-4);
  }
  
  .cta-actions {
    flex-direction: column;
    align-items: center;
  }
}

/* Footer */
.footer {
  background: var(--color-background);
  border-top: 1px solid hsl(220, 25%, 20%, 0.5);
  padding: var(--spacing-10) 0;
}

.footer-content {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--spacing-8);
  align-items: center;
  margin-bottom: var(--spacing-8);
}

.footer-brand {
  text-align: left;
}

.footer-logo {
  font-size: var(--font-size-2xl);
  font-weight: 700;
  background: var(--gradient-primary);
  background-clip: text;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  text-decoration: none;
  transition: var(--transition-smooth);
}

.footer-logo:hover {
  transform: scale(1.05);
}

.footer-brand p {
  color: var(--color-muted-foreground);
  margin-top: var(--spacing-2);
}

.footer-social {
  display: flex;
  justify-content: center;
  gap: var(--spacing-6);
}

.footer-copyright {
  text-align: right;
}

.footer-copyright p {
  color: var(--color-muted-foreground);
  font-size: var(--font-size-sm);
}

.footer-bottom {
  border-top: 1px solid hsl(220, 15%, 20%, 0.5);
  padding-top: var(--spacing-8);
  text-align: center;
}

.footer-bottom p {
  color: var(--color-muted-foreground);
  font-size: var(--font-size-sm);
}

.footer-bottom .highlight {
  color: var(--color-primary);
  font-weight: 500;
}

@media (max-width: 768px) {
  .footer-content {
    grid-template-columns: 1fr;
    text-align: center;
    gap: var(--spacing-6);
  }
  
  .footer-brand,
  .footer-copyright {
    text-align: center;
  }
}