/* 
	https://webartdevelopers.com/blog/css-timeline-2/
	https://codepen.io/melnik909/pen/qPjwvq 
*/

:root {
  --timeline-line-color: #4557bb;
  --timeline-dot-color: #4557bb;
  --timeline-arrow-color: #4557bb;
  --timeline-line-thickness: 3px;
  --timeline-point-border-color: #4557bb;
  --timeline-group-padding: 1.5rem 1.5rem 1.25rem;
  --timeline-point-background-color: #fff;
  --timeline-year-color: #f0f0f0;
  --timeline-year-padding: 0.25rem 0.75rem;
  --timeline-year-background-color: #2c3e50;

  --ds-typography-main-line-height: 1.5;
  --ds-typography-main-color: #222;

  --_timeline-space: 1rem;
  --_timeline-line-thickness: 2px;
  --_timeline-point-line-position: 1rem;

  --card-padding: 1rem 1.75rem;
  --card-border-thickness: 3px;
  --card-border-color: #4557bb;
  --card-border-radius: 2px;
  --card-time-padding: 0.25rem 1.25rem 0.25rem;
  --card-time-background-color: #f0f0f0;
  --card-time-text-transform: uppercase;
  --card-border-style: solid;
}

:where(.ra-heading) {
  margin-block: var(--ra-heading-margin-block-start, 0)
    var(--ra-heading-margin-block-end, 0);
}

body {
  background-color: #f0f0f0;
  margin: 0;
  display: flex;
  flex-direction: column;

  /* font-family: var(--ds-typography-main-font-family, system-ui); */
  /* font-size: var(--ds-typography-main-font-size, 1rem); */
  color: var(--ds-typography-main-color);
  /* line-height: var(--ds-typography-main-line-height); */
}

.timeline {
  box-sizing: border-box;
  inline-size: min(100%, 90ch);
  /* padding: 5rem 2rem 3rem; */
  margin-inline: auto;
  margin-bottom: 2rem;
}

/*TIMELINE*/

.timeline__container {
  display: grid;
}

.timeline__groups {
  display: grid;
  gap: 1rem;
}

.timeline .timeline__container {
  position: relative;
  gap: 2.5rem;
}

.timeline .timeline__line {
  inline-size: var(--_timeline-line-thickness);
  block-size: 100%;
  background-color: var(--timeline-line-color);

  position: absolute;
  inset-block-start: 0;
  inset-inline-start: 0;
}

.timeline .timeline__annual-sections {
  display: grid;
  gap: 2rem;
}

.timeline .timeline__groups {
  padding-inline-start: var(--_timeline-space);
}

.timeline .timeline__group {
  position: relative;
  isolation: isolate;
}

.timeline .timeline__point {
  background-color: var(--timeline-point-background-color);
}

.timeline .timeline__point::before {
  content: "";
  inline-size: 100%;
  block-size: var(--_timeline-line-thickness);
  background-color: var(--timeline-line-color);

  position: absolute;
  inset-block-start: var(--_timeline-point-line-position);
  inset-inline-start: calc(-1 * var(--_timeline-space));
  z-index: -1;
}

.timeline .timeline__year {
  inline-size: fit-content;
  padding: var(--timeline-year-padding);
  background-color: var(--timeline-year-background-color);
  color: var(--timeline-year-color);
}


/*CARD*/

.card__container {
  display: var(--card-display, grid);
  gap: var(--card-content-gap);
}

.card__time-divider::before {
  content: "—";
  margin-inline: var(--card-time-divider-margin-inline, 0.15rem);
}

.card .card__container {
  padding: var(--card-padding);
  background-color: var(--timeline-point-background-color);
  border-radius: var(--card-border-radius);
}

.card .card__intro {
  display: grid;
  gap: var(--card-intro-gap, 1rem);
}

.card .card__time {
  grid-row: 1 / 1;
  inline-size: fit-content;
  padding: var(--card-time-padding);
  background-color: var(--card-time-background-color);

  font-weight: var(--card-time-font-weight, 700);
  font-size: var(--card-time-font-size, 0.75rem);
  text-transform: var(--card-time-text-transform);
}

.card .card__container {
  border-inline-start: var(--card-border-thickness) var(--card-border-style) var(--card-border-color);
  box-shadow: var(
    --card-box-shadow,
    0 1px 3px 0 rgba(0, 0, 0, 0.12),
    0 1px 2px 0 rgba(0, 0, 0, 0.24)
  );
}