.eh-group {
  display: flex;

  /*  Direction */
  &.eh-group--column {
    flex-direction: column;
  }
  &.eh-group--row {
    flex-direction: row;
    flex-wrap: wrap;
  }

  /*  Equal width: each direct child fills an equal share of available space */
  &.eh-group--equal-children {
    > * {
      flex: 1;
    }
  }

  /*  Alignment of children within the group */
  &.eh-group--items-start {
    align-items: flex-start;
    justify-content: flex-start;
  }
  &.eh-group--items-center {
    align-items: center;
    justify-content: center;
  }
  &.eh-group--items-end {
    align-items: flex-end;
    justify-content: flex-end;
  }

  /*  Self-alignment within the parent container */
  &.eh-group--self-start {
    align-self: flex-start;
  }
  &.eh-group--self-center {
    align-self: center;
  }
  &.eh-group--self-end {
    align-self: flex-end;
  }

  /*  Gap between children */
  &.eh-group--gap-sm {
    gap: var(--sp0-5);
  }
  &.eh-group--gap-md {
    gap: var(--sp1);
  }
  &.eh-group--gap-lg {
    gap: var(--sp2);
  }
  &.eh-group--gap-xl {
    gap: var(--sp4);
  }
  &.eh-group--gap-grid {
    gap: var(--grid-gap);
  }

  /*  Border radius */
  &.eh-group--radius-sm {
    border-radius: 0.125rem;
  }
  &.eh-group--radius-md {
    border-radius: 0.375rem;
  }
  &.eh-group--radius-lg {
    border-radius: 0.5rem;
  }
  &.eh-group--radius-xl {
    border-radius: 0.75rem;
  }

  /*  Padding */
  &.eh-group--padding-sm {
    padding: var(--sp1);
  }
  &.eh-group--padding-md {
    padding: var(--sp2);
  }
  &.eh-group--padding-lg {
    padding: var(--sp4);
  }
  &.eh-group--padding-xl {
    padding: 8rem;
  }

  /*  Background colors */
  &.eh-group--bg-primary {
    color: var(--text-on-primary);
    background-color: var(--color--primary-50);
  }
  &.eh-group--bg-secondary {
    color: var(--text-on-secondary);
    background-color: var(--color--secondary-50);
  }
  &.eh-group--bg-accent {
    color: var(--color--night-5);
    background-color: var(--color--sky-94);
  }

  /*  Entrance animations (CSS-driven; respect animation-duration and animation-delay via inline style if needed) */
  &.eh-group--anim-fade_up {
    animation: eh-fade-up var(--eh-anim-duration, 0.5s) ease both;
    animation-delay: var(--eh-anim-delay, 0s);
  }
  &.eh-group--anim-fade_down {
    animation: eh-fade-down var(--eh-anim-duration, 0.5s) ease both;
    animation-delay: var(--eh-anim-delay, 0s);
  }
  &.eh-group--anim-fade_left {
    animation: eh-fade-left var(--eh-anim-duration, 0.5s) ease both;
    animation-delay: var(--eh-anim-delay, 0s);
  }
  &.eh-group--anim-fade_right {
    animation: eh-fade-right var(--eh-anim-duration, 0.5s) ease both;
    animation-delay: var(--eh-anim-delay, 0s);
  }
}

@keyframes eh-fade-up {
  from {
    transform: translateY(1rem);
    opacity: 0;
  }
  to {
    transform: translateY(0);
    opacity: 1;
  }
}

@keyframes eh-fade-down {
  from {
    transform: translateY(-1rem);
    opacity: 0;
  }
  to {
    transform: translateY(0);
    opacity: 1;
  }
}

@keyframes eh-fade-left {
  from {
    transform: translateX(1rem);
    opacity: 0;
  }
  to {
    transform: translateX(0);
    opacity: 1;
  }
}

@keyframes eh-fade-right {
  from {
    transform: translateX(-1rem);
    opacity: 0;
  }
  to {
    transform: translateX(0);
    opacity: 1;
  }
}