/// Grid system
//
// Generate semantic grid columns with these mixins.

make-container()
  width: 100%
  padding-right: ($grid-gutter-width / 2)
  padding-left: ($grid-gutter-width / 2)
  margin-right: auto
  margin-left: auto


// For each breakpoint, define the maximum width of the container in a media query
make-container-max-widths($max-widths = $container-max-widths, $breakpoints = $grid-breakpoints)
  for $breakpoint, $container-max-width in $max-widths
    +media-breakpoint-up($breakpoint, $breakpoints)
      max-width: $container-max-width

make-row()
  display: flex
  flex-wrap: wrap
  margin-right: ($grid-gutter-width / -2)
  margin-left: ($grid-gutter-width / -2)


make-col-ready()
  position: relative
  // Prevent columns from becoming too narrow when at smaller grid tiers by
  // always setting `width: 100%;`. This works because we use `flex` values
  // later on to override this initial width.
  width: 100%
  min-height: 1px // Prevent collapsing
  padding-right: ($grid-gutter-width / 2)
  padding-left: ($grid-gutter-width / 2)


make-col($size, $columns = $grid-columns)
  flex: 0 0 percentage($size / $columns)
  // Add a `max-width` to ensure content within each column does not blow out
  // the width of the column. Applies to IE10+ and Firefox. Chrome and Safari
  // do not appear to require this.
  max-width: percentage($size / $columns)


make-col-offset($size, $columns = $grid-columns)
  $num = $size / $columns
  if $num == 0
    margin-left: 0
  else
    margin-left: percentage($num)