/* =============================================================
   ARADEL HISTORY TIMELINE
   File: aradel-timeline/assets/aradel-timeline.css
   ============================================================= */

:root {
  --tl-accent:       var(--ads-brand-blue, #01303A);
  --tl-bg:           #E6EAEB;
  --tl-card-bg:      #ffffff;
  --tl-line-w:       3px;
  --tl-dot-size:     22px;
  --tl-year-size:    24px;
  --tl-title-size:   24px;
  --tl-desc-size:    16px;
  --tl-item-gap:     147px;
  --tl-inner-gap:    20px;
  --tl-col-year:     120px;
  --tl-col-spine:    56px;
  --tl-radius:       20px;
  --tl-card-pad-d:   56px;
  --tl-card-pad-t:   40px;
  --tl-card-pad-m:   24px;
  --tl-tab-h:        56px;
  --tl-filter-ease:  cubic-bezier(.2,.9,.2,1);
  --tl-track-max:    780px;
  --tl-content-max:  480px;
}

/* FIX 6: Grey bg aligned to page gutters not full-bleed */
.ar-timeline {
  font-family: var(--ads-font);
  padding-left:  112px;
  padding-right: 112px;
  box-sizing: border-box;
  max-width: 1440px;
  margin-inline: auto;
}

.ar-timeline__outer {
  background: var(--tl-bg);
  border-radius: var(--tl-radius);
  padding-left:   112px;
  padding-right:  112px;
  padding-bottom: 96px;
  padding-top: 0;
  box-sizing: border-box;
}

.ar-timeline__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding-top:    71px;
  padding-bottom: 57px;
}

.ar-timeline__heading {
  margin: 0;
  font-size: var(--ads-h2, 48px);
  line-height: var(--ads-h2-lh, 64px);
  font-weight: 400;
  color: var(--tl-accent);
  flex: 1;
}

/* FIX 4: CTA always full colour, never dimmed */
.ar-timeline__combined-cta {
  flex: 0 0 auto;
  cursor: pointer;
  outline: none;
}

.ar-timeline__combined-cta .ar-action {
  color: var(--tl-accent);
}

.ar-timeline__card {
  background: var(--tl-card-bg);
  border-radius: var(--tl-radius);
  padding: var(--tl-card-pad-d);
  box-sizing: border-box;
}

/* FIX 5: Segmented control wider, near card edges */
.ar-segmented {
  display: flex;
  align-items: center;
  background: #F0F3F4;
  border-radius: 20px;
  padding: 4px;
  gap: 0;
  width: 100%;
  box-sizing: border-box;
}

.ar-segmented__tab {
  flex: 1;
  height: var(--tl-tab-h);
  min-height: var(--tl-tab-h);
  padding: 0 20px;
  border: none;
  background: transparent;
  border-radius: 16px;
  cursor: pointer;
  font-family: var(--ads-font);
  font-size: 14px;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--tl-accent);
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  transition: background 200ms var(--tl-filter-ease), color 200ms var(--tl-filter-ease), box-shadow 200ms var(--tl-filter-ease);
  white-space: nowrap;
  position: relative;
  z-index: 0;
}

.ar-segmented__tab:focus { outline: none; }
.ar-segmented__tab:focus-visible { outline: 2px solid var(--tl-accent); outline-offset: 2px; }

.ar-segmented__tab[aria-selected="true"] {
  background: var(--tl-accent);
  color: #fff;
  box-shadow: 0 2px 8px rgba(1, 48, 58, 0.22);
  z-index: 1;
}

.ar-segmented__tab:hover:not([aria-selected="true"]) {
  background: rgba(1, 48, 58, 0.08);
}

.ar-timeline__card .ar-segmented {
  margin-bottom: 67px;
}

/* FIX 1: Timeline track centred with max-width */
.ar-timeline__track {
  position: relative;
  max-width: var(--tl-track-max);
  margin-left: auto;
  margin-right: auto;
}

.ar-timeline__track::before {
  content: '';
  position: absolute;
  left: calc(var(--tl-col-year) + var(--tl-col-spine) / 2);
  top: 0;
  bottom: calc(-1 * var(--tl-item-gap) * 0.35);
  width: var(--tl-line-w);
  background: var(--tl-accent);
  transform: translateX(-50%);
  border-radius: 2px;
}

.ar-timeline__item {
  display: grid;
  grid-template-columns: var(--tl-col-year) var(--tl-col-spine) 1fr;
  align-items: start;
  position: relative;
  padding-bottom: var(--tl-item-gap);
  transition: opacity 260ms var(--tl-filter-ease), transform 260ms var(--tl-filter-ease);
  will-change: opacity, transform;
}

.ar-timeline__item:last-child { padding-bottom: 0; }

.ar-timeline__year {
  text-align: right;
  padding-right: 24px;
  box-sizing: border-box;
  font-size: var(--tl-year-size);
  font-weight: 600;
  color: var(--tl-accent);
  line-height: 1;
  transform: translateY(calc(var(--tl-dot-size) / 2 - 0.6em / 2));
}

.ar-timeline__spine {
  display: flex;
  justify-content: center;
  align-items: flex-start;
  position: relative;
}

.ar-timeline__dot {
  display: block;
  width: var(--tl-dot-size);
  height: var(--tl-dot-size);
  border-radius: 50%;
  background: var(--tl-accent);
  flex: 0 0 auto;
  position: relative;
  z-index: 1;
}

/* FIX 3: Max-width on content forces text wrapping */
.ar-timeline__content {
  padding-left: 12px;
  padding-top: 0;
  max-width: var(--tl-content-max);
  min-width: 0;
}

.ar-timeline__title {
  margin: 0 0 var(--tl-inner-gap) 0;
  font-size: var(--tl-title-size);
  font-weight: 600;
  line-height: 1.35;
  color: var(--tl-accent);
}

.ar-timeline__title-link { text-decoration: none !important; color: inherit; }
.ar-timeline__title-link:hover .ar-timeline__title { text-decoration: underline; }

.ar-timeline__desc {
  margin: 0;
  font-size: var(--tl-desc-size);
  line-height: 1.6;
  color: #2A2A2A;
}

.ar-timeline__link-cta { margin-top: 12px; }

.ar-timeline__item[aria-hidden="true"] { display: none; }

.ar-timeline--filtering .ar-timeline__item:not([aria-hidden="true"]) {
  animation: ar-tl-fadein 340ms var(--tl-filter-ease) both;
}

@keyframes ar-tl-fadein {
  from { opacity: 0; transform: translateY(12px); }
  to   { opacity: 1; transform: translateY(0); }
}

@media (prefers-reduced-motion: no-preference) {
  .ar-timeline__card {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 600ms var(--tl-filter-ease), transform 600ms var(--tl-filter-ease);
  }
  .ar-timeline__card.ar-tl-visible { opacity: 1; transform: translateY(0); }
}

@media (prefers-reduced-motion: reduce) {
  .ar-timeline__item, .ar-timeline__card {
    transition: none !important; animation: none !important;
    opacity: 1 !important; transform: none !important;
  }
}

@media (max-width: 1024px) {
  .ar-timeline { padding-left: 64px; padding-right: 64px; }
  .ar-timeline__outer { padding-left: 64px; padding-right: 64px; padding-bottom: 72px; border-radius: 16px; }
  .ar-timeline__heading { font-size: 38px; line-height: 48px; }
  .ar-timeline__header { padding-top: 56px; padding-bottom: 44px; }
  .ar-timeline__card { padding: var(--tl-card-pad-t); }
  .ar-segmented__tab { font-size: 13px; }
  :root { --tl-item-gap: 100px; --tl-col-year: 96px; --tl-col-spine: 44px; --tl-track-max: 640px; --tl-content-max: 360px; }
}

@media (max-width: 768px) {
  .ar-timeline { padding-left: 24px; padding-right: 24px; }
  .ar-timeline__outer { padding-left: 24px; padding-right: 24px; padding-bottom: 48px; border-radius: 14px; }
  .ar-timeline__header { flex-direction: column; align-items: flex-start; gap: 20px; padding-top: 40px; padding-bottom: 32px; }
  .ar-timeline__heading { font-size: 32px; line-height: 40px; }
  .ar-timeline__card { padding: var(--tl-card-pad-m); }
  .ar-segmented { max-width: 100%; overflow-x: auto; -webkit-overflow-scrolling: touch; scrollbar-width: none; }
  .ar-segmented::-webkit-scrollbar { display: none; }
  .ar-segmented__tab { flex: 0 0 auto; min-width: max-content; padding: 0 18px; font-size: 12px; }
  .ar-timeline__card .ar-segmented { margin-bottom: 40px; }
  .ar-timeline__track { max-width: 100%; }
  .ar-timeline__track::before { left: 16px; transform: translateX(-50%); }
  .ar-timeline__item { grid-template-columns: 32px 1fr; grid-template-rows: auto auto; column-gap: 16px; padding-bottom: 48px; }
  .ar-timeline__year { grid-column: 2; grid-row: 1; text-align: left; padding-right: 0; padding-bottom: 6px; font-size: 18px; transform: none; }
  .ar-timeline__spine { grid-column: 1; grid-row: 1 / 3; justify-content: center; padding-top: 4px; }
  .ar-timeline__content { grid-column: 2; grid-row: 2; padding-left: 0; max-width: 100%; }
  :root { --tl-dot-size: 16px; --tl-item-gap: 48px; --tl-title-size: 20px; }
}