@layer page {

  /* packages grid */
  #packages {
    min-height: 100vh;
  }

  .packages {
    display: grid;
    gap: 16px;
    grid-template-columns: 1fr;
  }

  @media (min-width: 768px) {
    .packages {
      grid-auto-rows: min-content;
      grid-template-columns:
        repeat(auto-fill, minmax(380px, 1fr));
    }
  }

  /* package grid */
  .package {
    background-color: var(--white);
    border-radius: 8px;
    column-gap: 16px;
    display: grid;
    grid-template-areas:
      "picture   info"
      "term      term"
      "ctrl-btns ctrl-btns";
    grid-template-columns: 180px 1fr;
    grid-template-rows: auto 1fr auto;
    padding: 18px 16px 0 16px;
  }

  /* picture */
  .picture {
    align-self: center;
    grid-area: picture;
  }

  .picture img {
    border-radius: 4px;
    height: auto;
    width: 100%;
  }

  /* info */
  .info {
    font-weight: 600;
    grid-area: info;
    text-align: center;
  }

  .subtotal {
    color: var(--primary-1);
  }

  .info span {
    display: inline-block;
    min-width: 100px;
    text-align: left;
  }

  /* term */
  .term {
    grid-area: term;
  }

  .term h2,
  .term p {
    margin-block: 0;
  }

  /* package buttons */
  .ctrl-btns {
    background: var(--bg-light);
    border-radius: 0 0 8px 8px;
    display: flex;
    grid-area: ctrl-btns;
    justify-content: space-between;
    margin-block-start: 8px;
    margin-inline: -16px;
  }

  .btn-heart {
    grid-column: 2 / 2;
    grid-row: 1 / 1;
    justify-self: end;
    align-self: start;
  }

  .btn-clear {
    color: var(--danger);
  }

  .btn-minus {
    color: var(--inform);
  }

  .btn-plus {
    color: var(--success);
  }

  /* empty-state */
  .empty-state {
    background-color: var(--white);
    display: grid;
    grid-column-start: span 3;
    padding-block: 32px;
    place-items: center;
    row-gap: 16px;
  }

  /* display & visibility */
  .hide {
    display: none;
  }

  .hidden {
    visibility: hidden;
  }

  .show {
    display: block;
  }

  /* estimate */
  .estimate {
    color: var(--inform);
    padding: 32px;
  }

  /* subpage navigation */
  #subpage-nav {
    align-items: center;
    background: var(--lg-light);
    border-top: 1px solid var(--dark);
    bottom: 0;
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    left: 0;
    opacity: 1;
    padding: 8px 16px;
    position: fixed;
    right: 0;
  }  

}