:root {
  /* Colores modo oscuro */
  --bg-primary: #0f0f0f;
  --bg-secondary: #1a1a1a;
  --bg-card: #1e1e1e;
  --menu-bg: rgba(30, 30, 30, 0.8);
  --text-primary: #ffffff;
  --text-secondary: #b3b3b3;
  --accent-primary: #ff8a5c;
  --accent-secondary: #ff6b4a;
  --accent-glow: rgba(255, 138, 92, 0.3);
  --border-color: #333333;
  --card-shadow: 0 10px 30px -10px rgba(0, 0, 0, 0.5);
  --card-overlay: rgba(255, 138, 92, 0.1);
  --badge-bg: rgba(255, 138, 92, 0.1);
  --grid-color: rgba(255, 138, 92, 0.05);
}

/* ===== ESTADÍSTICAS DE GITHUB ===== */
.github-stats-section {
  margin: 2rem 0 4rem 0;
  padding: 2rem;
  background: var(--bg-card);
  border-radius: 20px;
  border: 1px solid var(--border-color);
}

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

.stat-card {
  text-align: center;
  padding: 1.5rem;
  background: var(--bg-secondary);
  border-radius: 15px;
  border: 1px solid var(--border-color);
  transition: transform 0.3s ease;
}

.stat-card:hover {
  transform: translateY(-5px);
}

.stat-card i {
  font-size: 2.5rem;
  color: var(--accent-primary);
  margin-bottom: 1rem;
}

.stat-card h3 {
  font-size: 2rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 0.5rem;
}

.stat-card p {
  color: var(--text-secondary);
  font-size: 0.9rem;
}

.stat-loading {
  text-align: center;
  color: var(--text-secondary);
  padding: 2rem;
}

.stat-error {
  text-align: center;
  color: #ff4a4a;
  padding: 1rem;
  background: rgba(255, 74, 74, 0.1);
  border-radius: 10px;
}

.repo-languages {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin: 1rem 0;
  justify-content: center;
}

.lang-pill {
  padding: 0.25rem 0.75rem;
  background: var(--badge-bg);
  color: var(--accent-primary);
  border-radius: 20px;
  font-size: 0.8rem;
}

/* ===== SECCIÓN DE CONTACTO ===== */
#contacto {
  margin-top: 4rem;
  padding: 4rem 0 2rem 0;
  border-top: 1px solid var(--border-color);
}

.contact-container {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  margin-top: 2rem;
}

.contact-info {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.contact-item {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 1rem;
  background: var(--bg-card);
  border-radius: 12px;
  border: 1px solid var(--border-color);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.contact-item:hover {
  transform: translateY(-2px);
  box-shadow: var(--card-shadow);
}

.contact-icon {
  width: 50px;
  height: 50px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--badge-bg);
  border-radius: 12px;
  color: var(--accent-primary);
  font-size: 1.5rem;
}

.contact-details {
  flex: 1;
}

.contact-details h4 {
  font-size: 1.1rem;
  margin-bottom: 0.25rem;
  color: var(--text-primary);
}

.contact-details a, .contact-details p {
  color: var(--text-secondary);
  text-decoration: none;
  font-size: 0.95rem;
  transition: color 0.3s ease;
}

.contact-details a:hover {
  color: var(--accent-primary);
}

.contact-social {
  display: flex;
  gap: 1rem;
  margin-top: 1rem;
}

.contact-social a {
  width: 45px;
  height: 45px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  color: var(--text-primary);
  font-size: 1.3rem;
  transition: all 0.3s ease;
}

.contact-social a:hover {
  background: var(--accent-primary);
  color: white;
  transform: translateY(-3px);
}

.contact-form {
  background: var(--bg-card);
  padding: 2rem;
  border-radius: 20px;
  border: 1px solid var(--border-color);
}

.form-group {
  margin-bottom: 1.5rem;
}

.form-group label {
  display: block;
  margin-bottom: 0.5rem;
  color: var(--text-primary);
  font-weight: 500;
}

.form-group input,
.form-group textarea {
  width: 100%;
  padding: 0.75rem 1rem;
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: 10px;
  color: var(--text-primary);
  font-family: 'Inter', sans-serif;
  transition: all 0.3s ease;
}

.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--accent-primary);
  box-shadow: 0 0 0 3px var(--accent-glow);
}

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

.btn-submit {
  width: 100%;
  padding: 1rem;
  background: var(--accent-primary);
  color: white;
  border: none;
  border-radius: 10px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.3s ease;
}

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

.btn-submit:disabled {
  opacity: 0.7;
  cursor: not-allowed;
  transform: none;
}

/* Footer */
.footer {
  margin-top: 4rem;
  padding: 2rem 0;
  text-align: center;
  color: var(--text-secondary);
  border-top: 1px solid var(--border-color);
}

/* Responsive */
@media (max-width: 768px) {
  .contact-container {
    grid-template-columns: 1fr;
  }
  
  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 480px) {
  .stats-grid {
    grid-template-columns: 1fr;
  }
}