.container {
  width: 100%;
  max-width: 1440px;
  margin: 0 auto;
}

.grid {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: 18px;
}

.col-12 { grid-column: span 12; }
.col-11 { grid-column: span 11; }
.col-10 { grid-column: span 10; }
.col-9  { grid-column: span 9; }
.col-8  { grid-column: span 8; }
.col-7  { grid-column: span 7; }
.col-6  { grid-column: span 6; }
.col-5  { grid-column: span 5; }
.col-4  { grid-column: span 4; }
.col-3  { grid-column: span 3; }
.col-2  { grid-column: span 2; }
.col-1  { grid-column: span 1; }

@media (max-width: 1100px) {
  .lg-12 { grid-column: span 12; }
  .lg-6  { grid-column: span 6; }
  .lg-4  { grid-column: span 4; }
  .lg-3  { grid-column: span 3; }
}

@media (max-width: 768px) {
  .grid {
    gap: 12px;
  }

  .md-12 { grid-column: span 12; }
  .md-6  { grid-column: span 6; }
  .md-4  { grid-column: span 4; }
}

@media (max-width: 520px) {
  .grid {
    gap: 10px;
  }

  .sm-12 { grid-column: span 12; }
  .sm-6  { grid-column: span 6; }
}