/* Estilos para el header y nav */
header {
  background-color: var(--header-bg);
  padding: 1rem 2rem;
  box-shadow: 0 2px 5px var(--shadow-color);
  position: relative;
}

nav {
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
}

nav ul {
  display: flex;
  justify-content: space-between;
  align-items: center;
  max-width: 600px;
  margin: 0 auto;
}

nav ul li {
  margin: 0 1rem;
}

nav ul li a {
  color: var(--header-text);
  font-family: 'Arial', sans-serif;
  font-size: 1.1rem;
  padding: 0.5rem 1rem;
  transition: color 0.3s ease, background-color 0.3s ease;
}

nav ul li a:hover {
  color: var(--link-color);
  background-color: rgba(255, 255, 255, 0.1);
  border-radius: 5px;
}

/* Estilo para el botón de cambio de tema */
#theme-toggle {
  position: absolute;
  left: 1rem;
  top: 50%;
  transform: translateY(-50%);
  padding: 0.5rem;
  font-size: 1.2rem;
  background-color: var(--link-color);
  color: var(--header-text);
  border: none;
  border-radius: 5px;
  cursor: pointer;
  transition: background-color 0.3s ease;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
}

#theme-toggle:hover {
  background-color: var(--link-hover);
}

/* Media query para responsividad del navbar */
@media (max-width: 768px) {
  header {
      padding: 0.5rem;
  }

  nav {
      justify-content: flex-start;
      flex-wrap: nowrap;
      width: 100%;
      padding: 0 0.5rem;
  }

  nav ul {
      justify-content: space-around;
      margin: 0 0 0 2.5rem;
      width: calc(100% - 2.5rem);
      padding: 0;
  }

  nav ul li {
      margin: 0 0.25rem;
  }

  nav ul li a {
      font-size: 0.8rem;
      padding: 0.3rem 0.5rem;
  }

  #theme-toggle {
      position: absolute;
      left: 0.5rem;
      width: 30px;
      height: 30px;
      font-size: 1rem;
      padding: 0.3rem;
  }
}

/* Estilos para el main */
main {
  padding: 2rem;
  max-width: 1200px;
  margin: 0 auto;
}

article {
  display: flex;
  flex-direction: column;
  gap: 2rem;
}

/* Primera sección (nombre, título, imagen) */
.intro {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 2rem;
  flex-wrap: wrap;
  max-width: 800px;
  margin: 0 auto;
}

.text-content {
  display: flex;
  flex-direction: column;
  max-width: 400px;
  text-align: center;
}

h1 {
  font-size: 2.5rem;
  font-weight: bold;
  color: var(--text-primary);
  margin-bottom: 0.5rem;
}

h2 {
  font-size: 1.5rem;
  color: var(--text-secondary);
  margin-bottom: 0.5rem;
}

h3 {
  font-size: 1.2rem;
  color: var(--text-tertiary);
  margin-bottom: 1rem;
}

.intro img {
  max-width: 250px;
  border-radius: 10px;
  box-shadow: 0 4px 10px var(--shadow-color);
}

/* Segunda sección (Sobre mí) */
section:nth-child(2) {
  background-color: var(--section-bg);
  padding: 1.5rem;
  border-radius: 10px;
  box-shadow: 0 4px 10px var(--shadow-color);
  max-width: 800px;
  margin: 0 auto;
}

section:nth-child(2) h2 {
  font-size: 1.8rem;
  color: var(--text-primary);
  margin-bottom: 1rem;
}

section:nth-child(2) p {
  font-size: 1.1rem;
  color: var(--text-secondary);
  line-height: 1.6;
}

/* Responsividad del main */
@media (max-width: 768px) {
  .intro {
      flex-direction: column;
      text-align: center;
      gap: 0.5rem; /* Ajustamos la separación a 0.5rem en móviles */
  }

  .text-content {
      width: 100%;
  }

  .intro img {
      max-width: 180px;
      margin: 0 auto;
  }

  section:nth-child(2) {
      max-width: 100%;
  }
}