/* -------------------- RESET GENERAL -------------------- */
body {
  font-family: Arial, sans-serif;
  margin: 0;
  padding: 0;
  line-height: 1.6;
  background-color: #fff;
  color: #333;
}

/* -------------------- HEADER -------------------- */
header {
  background-color: #f44336;
  color: white;
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: 120px;
  padding: 0 40px;
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

header nav a {
  color: white;
  text-decoration: none;
  margin-left: 20px;
  font-weight: bold;
  transition: color 0.3s ease;
}

header nav a:hover {
  color: #ffd6d6;
}

/* -------------------- HERO -------------------- */
.hero {
  background: url('hero.jpg') center/cover no-repeat;
  color: white;
  text-align: center;
  padding: 100px 20px;
}

.hero h1 {
  font-size: 2.5rem;
  margin: 0;
}

/* -------------------- SECTIONS -------------------- */
section {
  padding: 60px 40px;
  max-width: 1000px;
  margin: auto;
}

/* -------------------- CURSOS GRID -------------------- */
.cursos {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 20px;
}

.curso {
  border: 1px solid #ddd;
  padding: 20px;
  border-radius: 8px;
  background-color: #f9f9f9;
  transition: box-shadow 0.3s ease;
}

.curso:hover {
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

/* -------------------- GALLERY -------------------- */
.gallery-container {
  width: 100%;
  overflow-x: auto;
  white-space: nowrap;
  border: 1px solid #ccc;
  padding: 10px;
  box-sizing: border-box;
}

.gallery-container img {
  height: 150px;
  margin-right: 10px;
  display: inline-block;
  border-radius: 8px;
  cursor: pointer;
  transition: transform 0.3s ease;
}

.gallery-container img:hover {
  transform: scale(1.1);
}

/* -------------------- SIDEBAR -------------------- */
.sidebar {
  width: 200px;
  background-color: #333;
  color: white;
  height: 100vh;
  position: fixed;
  top: 120px; /* En lugar de margin-top */
  left: 0;
  padding-top: 20px;
  text-align: center;
  box-shadow: 2px 0 8px rgba(0, 0, 0, 0.1);
  overflow-y: auto;
}

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

.sidebar ul li {
  padding: 15px 0;
}

.sidebar ul li a {
  color: white;
  text-decoration: none;
  display: block;
  padding: 10px 20px;
  transition: background-color 0.3s ease;
}

.sidebar ul li a:hover {
  background-color: #575757;
}

/* -------------------- FOOTER -------------------- */
footer {
  background: #333;
  color: white;
  text-align: center;
  padding: 20px;
  margin-top: 60px;
}