* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: 'Poppins', sans-serif;
}

/* NAVBAR */
.navbar {
  background-color: #6f73d2;
  color: white;
  padding: 15px 30px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.navbar ul {
  list-style: none;
  display: flex;
  gap: 20px;
}

.navbar a {
  color: white;
  text-decoration: none;
  font-weight: bold;
}

.navbar a:hover {
  text-decoration: underline;
  transform: translateY(-5px);
  box-shadow: 0 10px 20px rgba(0,0,0,0.15);
}

/* CONTAINER */
.container {
  padding: 40px;
}

/* HOME */
.hero {
  text-align: center;
  margin-bottom: 40px;
}

.hero h1 {
  margin-bottom: 10px;
}

.hero p {
  color: #555;
}

/* CARD GRID */
.grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.card {
  background-color: #f3f3ff;
  padding: 20px;
  border-radius: 12px;
  text-align: center;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.card img {
  width: 100%;
  height: 220px;
  object-fit: cover;
  border-radius: 10px;
  margin-bottom: 10px;
}

.card a {
  display: inline-block;
  margin-top: 10px;
  background-color: #6f73d2;
  color: white;
  padding: 8px 15px;
  border-radius: 8px;
  text-decoration: none;
}

.card a:hover {
  background-color: #5559c7;
  transform: translateY(-5px);
  box-shadow: 0 10px 20px rgba(0,0,0,0.15);
}

/* FOOTER */
.footer {
  text-align: center;
  padding: 20px;
  margin-top: 50px;
  background-color: #eee;
  color: #555;
}

/* RESPONSIVE */
@media (max-width: 768px) {
  .grid {
    grid-template-columns: 1fr;
  }

  .navbar {
    flex-direction: column;
    gap: 10px;
  }
}

.back-home {
  display: inline-block;
  margin: 20px 0;
  padding: 10px 18px;
  font-size: 14px;
  background-color: #7a7de0;
  color: white;
  text-decoration: none;
  border-radius: 20px;
  width: fit-content;
}

.back-home:hover {
  opacity: 0.9;
}

.btn {
  transition: background-color 0.3s ease, transform 0.2s ease;
}

.btn:hover {
  transform: scale(1.05);
}