/* 12-колоночная сетка */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 40px;
  box-sizing: border-box;
}

.row {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: 20px;
}

.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; }

.col-offset-1 { grid-column-start: 2; }
.col-offset-2 { grid-column-start: 3; }
.col-offset-3 { grid-column-start: 4; }

@media screen and (max-width: 980px) {
  .container { padding: 0 20px; }
  .col-1, .col-2, .col-3, .col-4 { grid-column: span 6; }
  .col-5, .col-6, .col-7, .col-8 { grid-column: span 12; }
  .col-9, .col-10, .col-11, .col-12 { grid-column: span 12; }
  .col-offset-1, .col-offset-2, .col-offset-3 { grid-column-start: auto; }
}

@media screen and (max-width: 640px) {
  .container { padding: 0 15px; }
  .col-1, .col-2, .col-3, .col-4, .col-5, .col-6, .col-7, .col-8 { grid-column: span 12; }
  .row { gap: 15px; }
}