/* ----- GRID WRAPPER ----- */
.row {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: 16px;
  width: 100%;
  box-sizing: border-box;
}

/* ----- COLUMN BASE ----- */
[class^="col-"] {
  box-sizing: border-box;
  grid-column: span 12; /* default = full width (mobile) */
}

/* ----- MOBILE (default) ----- */
/* col-sm-* = mobile override */
.col-sm-1  { grid-column: span 1; }
.col-sm-2  { grid-column: span 2; }
.col-sm-3  { grid-column: span 3; }
.col-sm-4  { grid-column: span 4; }
.col-sm-5  { grid-column: span 5; }
.col-sm-6  { grid-column: span 6; }
.col-sm-7  { grid-column: span 7; }
.col-sm-8  { grid-column: span 8; }
.col-sm-9  { grid-column: span 9; }
.col-sm-10 { grid-column: span 10; }
.col-sm-11 { grid-column: span 11; }
.col-sm-12 { grid-column: span 12; }

/* ----- TABLET (>= 576px) ----- */
@media (min-width: 576px) {
  .col-md-1  { grid-column: span 1; }
  .col-md-2  { grid-column: span 2; }
  .col-md-3  { grid-column: span 3; }
  .col-md-4  { grid-column: span 4; }
  .col-md-5  { grid-column: span 5; }
  .col-md-6  { grid-column: span 6; }
  .col-md-7  { grid-column: span 7; }
  .col-md-8  { grid-column: span 8; }
  .col-md-9  { grid-column: span 9; }
  .col-md-10 { grid-column: span 10; }
  .col-md-11 { grid-column: span 11; }
  .col-md-12 { grid-column: span 12; }
}

/* ----- DESKTOP (>= 992px) ----- */
@media (min-width: 992px) {
  .col-1  { grid-column: span 1; }
  .col-2  { grid-column: span 2; }
  .col-3  { grid-column: span 3; }
  .col-4  { grid-column: span 4; }
  .col-5  { grid-column: span 5; }
  .col-6  { grid-column: span 6; }
  .col-7  { grid-column: span 7; }
  .col-8  { grid-column: span 8; }
  .col-9  { grid-column: span 9; }
  .col-10 { grid-column: span 10; }
  .col-11 { grid-column: span 11; }
  .col-12 { grid-column: span 12; }
}