.catalog {
  width: 100%; /* limita largura */
  margin: 0 auto;      /* centraliza */
  padding: 30px 20px;  /* respiro lateral */
}

/* HEADER */
.catalog-header {
  margin-bottom: 10px;
}

.back-link {
  text-decoration: none;
  color: #a1a1aa;
  font-size: 14px;
  transition: 0.2s;
}

.back-link:hover {
  color: #4f46e5;
}

/* TITLE */
.catalog-title {
  font-size: 32px;
  margin: 40px 0 30px;
  font-weight: 800;
  color: #0f172a;
  text-align: center;
  text-transform: uppercase;
  letter-spacing: 2px;
  position: relative;
}

/* Linha decorativa abaixo */
.catalog-title::after {
  content: "";
  width: 80px;
  height: 4px;
  background: linear-gradient(90deg, #3b82f6, #06b6d4);
  display: block;
  margin: 12px auto 0;
  border-radius: 2px;
}

.catalog-container{
  width: 100%;
  display: flex;
  justify-content: space-around;
  align-items: flex-start;

}

aside {
  width: 10%;
  padding: 15px 8px;
  border-radius: 10px;
  background: linear-gradient(145deg, #1e1e2f, #23233a);
  border-right: 1px solid rgba(255, 255, 255, 0.05);

  color: white;
}

/* TÍTULOS */
aside h6 {
  font-size: 11px;
  color: #818cf8;
  text-transform: uppercase;
  margin: 10px 6px 5px;
}

/* LISTA */
aside ul {
  list-style: none;
  padding: 0;
  margin: 0;
}

/* LINKS */
aside a {
  display: block;
  padding: 6px 8px;
  margin: 3px 0;

  font-size: 12px;
  border-radius: 6px;

  color: #e5e7eb;
  text-decoration: none;

  transition: 0.2s;
}

/* HOVER */
aside a:hover {
  background: rgba(99, 102, 241, 0.12);
  color: #a5b4fc;
  transform: translateX(3px);
}

/* DIVISOR */
aside hr {
  border: none;
  border-top: 1px solid rgba(255, 255, 255, 0.06);
  margin: 8px 0;
}

/* GRID */
.catalog-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 20px;
  width: 80%;
  justify-content: left
}

/* CARD */
.catalog-card {
  display: flex;
  align-items: center;
  gap: 15px;
  height: 200px;
  width: 30%;
  padding: 18px;
  text-decoration: none;
  color: #fff;

  background: #1e1e2f;
  border-radius: 16px;

  transition: all 0.2s ease;
  border: 1px solid transparent;
}

.catalog-card:hover {
  transform: translateY(-5px);
  border: 1px solid #4f46e5;
  background: #25253a;
}

/* ÍCONE */
.card-icon {
  width: 45px;
  height: 45px;

  display: flex;
  align-items: center;
  justify-content: center;

  background: #4f46e5;
  border-radius: 12px;
}

.card-icon svg {
  width: 22px;
  height: 22px;
  stroke: #fff;
}

/* TEXTO */
.card-content h3 {
  font-size: 16px;
  font-weight: 600;
  color: #ffffff;
}

/* EMPTY STATE */
.empty-state {
  grid-column: 1 / -1;
  text-align: center;
  padding: 40px;
  background: #1e1e2f;
  border-radius: 16px;
  color: #a1a1aa;
}

@media (max-width: 1025px){
  aside{
    width: 15%;
   
  }
  .catalog-grid{
    width: 80%;
  }
  .catalog-card{
    width: 100%;
  }
}

@media (max-width: 600px){
   .catalog-container{
    flex-direction: column;
  }
  aside{
    width: 50%;
    text-align: center;
    margin: auto;
    margin-bottom: 10px;
  }
  .catalog-grid{
    width: 100%;
  }
  
}