/* =============================
   ESTILO GENERAL
============================= */

body {
  margin: 0;
  padding: 0;
  font-family: "Segoe UI", Roboto, Arial, sans-serif;
  background: #f5f7fa;
  color: #333;
}

/* Contenedor principal */
.manual-container {
  display: flex;
  min-height: 100vh;
}

/* =============================
   SIDEBAR IZQUIERDO
============================= */

.sidebar {
  width: 270px;
  background: #0c1622;
  color: #ffffff;
  padding: 25px 20px;
  position: fixed;
  top: 0;
  bottom: 0;
  overflow-y: auto;
  border-right: 3px solid #0f2035;
}

.sidebar h2 {
  font-size: 22px;
  margin-bottom: 20px;
  text-align: left;
  font-weight: bold;
  color: #ffffff;
}

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

.sidebar ul li {
  margin-bottom: 12px;
}

.sidebar ul li a {
  color: #d6e4ff;
  text-decoration: none;
  font-size: 15px;
  padding: 8px 10px;
  display: block;
  border-radius: 6px;
  transition: 0.25s;
}

.sidebar ul li a:hover,
.sidebar ul li a:focus {
  background: #1e3352;
  color: #ffffff;
  padding-left: 14px;
}

/* =============================
   CONTENIDO PRINCIPAL
============================= */

.content {
  flex: 1;
  margin-left: 300px;
  padding: 40px 50px;
}

/* Títulos */
.content h1, 
.content h2 {
  color: #1c2d45;
  margin-bottom: 10px;
}

.content h1 {
  font-size: 28px;
  border-left: 5px solid #1c7ed6;
  padding-left: 10px;
}

.content h2 {
  font-size: 26px;
  border-left: 5px solid #228be6;
  padding-left: 10px;
}

.content h3 {
  margin-top: 25px;
  font-size: 20px;
  color: #234a70;
}

/* Párrafos */
.content p {
  font-size: 16px;
  line-height: 1.6;
  margin-bottom: 12px;
}

/* Listas */
.content ul {
  margin: 12px 0 20px 20px;
  padding: 0;
}

.content ul li {
  margin-bottom: 8px;
  line-height: 1.5;
}

/* Separadores */
.content hr {
  border: 0;
  height: 1px;
  background: #dce1e7;
  margin: 35px 0;
}

/* =============================
   BOTONES GENERALES
============================= */

.btn-whatsapp {
  display: inline-block;
  background: #25D366;
  color: #fff !important;
  padding: 10px 18px;
  text-decoration: none;
  border-radius: 6px;
  font-size: 15px;
  font-weight: bold;
  transition: 0.2s;
  box-shadow: 0 3px 8px rgba(0,0,0,0.2);
}

.btn-whatsapp:hover {
  background: #1ebe5d;
}


/* =============================
   RESPONSIVE
============================= */

@media (max-width: 900px) {
  .sidebar {
    position: relative;
    width: 100%;
    height: auto;
  }

  .content {
    margin-left: 0;
    padding: 20px;
  }
}