/* nav_style.css - Navigation and Footer Styles */
header {
  background-color: var(--bg-surface);
  box-shadow: var(--shadow-sm);
  position: sticky;
  top: 0;
  z-index: 1000;
  border-bottom: 1px solid var(--border-color);
  transition: var(--transition);
}

.header-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1rem 1.5rem;
  max-width: 1200px;
  margin: 0 auto;
}

.logo-container {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  text-decoration: none;
}

.logo-icon svg {
  width: 32px;
  height: 32px;
  fill: var(--brand-primary);
}

.logo-text {
  font-family: 'Outfit', sans-serif;
  font-weight: 800;
  font-size: 1.5rem;
  color: var(--text-primary);
  letter-spacing: -0.5px;
}

nav {
  display: flex;
  align-items: center;
  gap: 2rem;
}

.nav-links {
  display: flex;
  gap: 2rem;
}

.nav-links li {
  list-style: none;
}

.nav-links a {
  color: var(--text-secondary);
  font-weight: 500;
  font-size: 1rem;
  padding: 0.5rem 0;
  position: relative;
}

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

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0%;
  height: 2px;
  background-color: var(--brand-primary);
  transition: var(--transition);
}

.nav-links a:hover::after, .nav-links a.active::after {
  width: 100%;
}

.theme-toggle {
  background: none;
  border: none;
  cursor: pointer;
  color: var(--text-secondary);
  font-size: 1.25rem;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition);
  padding: 0.5rem;
  border-radius: 50%;
}

.theme-toggle:hover {
  background-color: var(--bg-surface-elevated);
  color: var(--brand-primary);
}

/* Footer Styles */
footer {
  background-color: var(--bg-surface-elevated);
  padding: 3rem 0;
  border-top: 1px solid var(--border-color);
  margin-top: auto;
}

.contenedor-pie {
  text-align: center;
  max-width: 800px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

.contenedor-pie p {
  color: var(--text-secondary);
  margin-bottom: 0.5rem;
  font-size: 0.95rem;
}

.contenedor-pie b {
  color: var(--brand-primary);
}

.mobile-menu-btn {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  color: var(--text-primary);
  font-size: 1.5rem;
  padding: 0.5rem;
  transition: var(--transition);
}

.mobile-menu-btn:hover {
  color: var(--brand-primary);
}

/* Responsive constraints */
@media (max-width: 768px) {
  .mobile-menu-btn {
      display: flex;
      align-items: center;
      justify-content: center;
  }

  .nav-links {
      position: absolute;
      top: 100%;
      left: 0;
      width: 100%;
      background-color: var(--bg-surface);
      flex-direction: column;
      gap: 0;
      box-shadow: var(--shadow-md);
      border-top: 1px solid var(--border-color);
      clip-path: polygon(0 0, 100% 0, 100% 0, 0 0);
      transition: clip-path 0.3s ease-in-out;
  }

  .nav-links.active {
      clip-path: polygon(0 0, 100% 0, 100% 100%, 0 100%);
  }

  .nav-links li {
      width: 100%;
      text-align: center;
  }
  
  .nav-links a {
      display: block;
      padding: 1.5rem;
      border-bottom: 1px solid var(--bg-surface-elevated);
  }
}