body {
  margin: 0;
  font-family: "Poppins", sans-serif;
  background-color: #121212;
  color: #f0f0f0;
  padding: 40px;
  /* transition: background-color 0.3s ease; */
  transition: background-color 0.3s ease, color 0.3s ease;
}

.container {
  width: 90%;
  max-width: 960px;
  margin: auto;
  padding: 40px 0;
}

header {
  background-color: #1e1e1e;
  text-align: center;
  padding: 60px 20px;
}

header h1 {
  font-size: 2.5rem;
  margin-bottom: 10px;
}

header .slogan {
  font-size: 1.2rem;
  color: #bbbbbb;
}

nav {
  margin-top: 20px;
}

nav a {
  color: #f0f0f0;
  text-decoration: none;
  margin: 0 15px;
  font-weight: 500;
}

nav a:hover {
  color: #00bcd4;
}

section h2 {
  font-size: 2rem;
  border-bottom: 2px solid #00bcd4;
  display: inline-block;
  padding-bottom: 5px;
  margin-bottom: 20px;
}

.proyecto {
  background-color: #1e1e1e;
  padding: 20px;
  border-radius: 8px;
  margin-bottom: 20px;
}

.social a {
  font-size: 1.5rem;
  color: #f0f0f0;
  margin-right: 15px;
  text-decoration: none;
}

.social a:hover {
  color: #00bcd4;
}

footer {
  background-color: #1a1a1a;
  text-align: center;
  padding: 20px;
  font-size: 0.9rem;
  color: #888;
}
/* ------------ mostrar section ----------- */
.light-mode {
  background-color: #f4f4f4 !important;
  color: #121212 !important;
}

.mode-btn {
  position: fixed;
  top: 20px;
  right: 20px;
}
/* ---------img ----------------- */
@media (max-width: 768px) {
  .mi-imagen {
    width: 200px;
  }
}
/* ------------- parrafo --------- */