/**
 * Milestones — winding road infographic layout
 * Horizontal auto-scroll path with alternating colorful cards
 */

.milestones-path-header {
  --milestones-header-color: var(--charcoal, #2B2D31);
  --milestones-header-accent: var(--gold, #C5A028);
  text-align: center;
  margin-bottom: 1.75rem;
}
.milestones-path-header__pre {
  display: block;
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--milestones-header-color);
  margin-bottom: 0.45rem;
}
.milestones-path-header__pre::before,
.milestones-path-header__pre::after {
  content: "";
  display: inline-block;
  width: 2.5rem;
  height: 2px;
  vertical-align: middle;
  margin: 0 0.6rem;
  opacity: 0.9;
}
.milestones-path-header__pre::before {
  background: var(--charcoal, #2B2D31);
}
.milestones-path-header__pre::after {
  background: var(--milestones-header-accent);
}
body.page-inner .timeline-section--about .milestones-path-header .section-heading,
.timeline-section--about .milestones-path-header .section-heading {
  font-size: clamp(1.5rem, 3.5vw, 2rem);
  color: var(--milestones-header-color) !important;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  font-weight: 800;
  max-width: none;
  margin-left: auto;
  margin-right: auto;
}
body.page-inner .timeline-section--about .milestones-path-header .section-heading::after,
.timeline-section--about .milestones-path-header .section-heading::after {
  content: "";
  display: block;
  width: min(200px, 40%);
  height: 3px;
  margin: 0.65rem auto 0;
  border-radius: 999px;
  background: linear-gradient(90deg, var(--charcoal-light, #4a4e56), var(--milestones-header-accent) 55%, var(--gold-light, #d4b23a));
}

.timeline-section--about {
  background: linear-gradient(180deg, #eceef1 0%, #f5f6f7 38%, var(--warm-white, #FAFAF8) 38%, var(--warm-white, #FAFAF8) 100%);
  padding: clamp(2.75rem, 5vw, 4rem) 0 clamp(2.25rem, 4vw, 3.25rem);
  overflow: hidden;
  position: relative;
}

.milestones-road {
  width: 100%;
  margin: 0 auto;
  padding: 0.5rem 0 1.25rem;
}
.milestones-road__viewport {
  overflow: hidden;
  padding: 0.5rem clamp(0.5rem, 2vw, 1rem) 1.75rem;
  mask-image: linear-gradient(90deg, transparent, #000 3%, #000 97%, transparent);
  -webkit-mask-image: linear-gradient(90deg, transparent, #000 3%, #000 97%, transparent);
  cursor: grab;
}
.milestones-road__viewport:active {
  cursor: grabbing;
}
.milestones-road.is-paused .milestones-road__viewport {
  cursor: grab;
}

.milestones-road__scroller {
  display: flex;
  align-items: stretch;
  width: max-content;
  will-change: transform;
}
.milestones-road.is-playing .milestones-road__scroller {
  animation: milestones-marquee var(--marquee-duration, 55s) linear infinite;
}
.milestones-road.is-paused .milestones-road__scroller {
  animation-play-state: paused;
}
@keyframes milestones-marquee {
  0% { transform: translateX(0); }
  100% { transform: translateX(-50%); }
}
.milestones-road__track--duplicate .milestones-road__svg {
  display: none;
}
.milestones-road__viewport:focus {
  outline: 2px solid rgba(197, 160, 40, 0.45);
  outline-offset: 4px;
}
.milestones-road__track {
  --col-w: 240px;
  flex: 0 0 auto;
  position: relative;
  display: flex;
  align-items: stretch;
  width: calc(var(--road-count) * var(--col-w) + 3rem);
  min-width: calc(var(--road-count) * var(--col-w) + 3rem);
  min-height: 380px;
  padding: 0 1.5rem;
  box-sizing: border-box;
}
.milestones-road__svg {
  position: absolute;
  left: 0;
  right: 0;
  top: 50%;
  transform: translateY(-50%);
  width: 100%;
  height: 110px;
  pointer-events: none;
  z-index: 0;
  color: #b0b6c0;
}
.milestones-road__svg-road {
  opacity: 0.9;
  filter: drop-shadow(0 2px 0 rgba(255, 255, 255, 0.85));
}
.milestones-road__svg-start {
  opacity: 0.45;
}

.milestones-road__col {
  position: relative;
  z-index: 1;
  flex: 0 0 var(--col-w);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  min-height: 380px;
  opacity: 1;
  transform: none;
}
.mmco-motion .milestones-road__col.reveal:not(.visible) {
  opacity: 0;
  transform: translateY(16px);
  transition: opacity 0.45s cubic-bezier(0.16, 1, 0.3, 1), transform 0.45s cubic-bezier(0.16, 1, 0.3, 1);
  transition-delay: calc(var(--road-i, 0) * 0.04s);
}
.milestones-road__col.visible,
.milestones-road__col.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}
.milestones-road__col.is-focused .road-card {
  transform: translateY(-6px) scale(1.04);
  filter: drop-shadow(0 16px 32px rgba(43, 45, 49, 0.22));
}
.milestones-road__col.is-focused .milestones-road__anchor {
  border-color: var(--gold, #C5A028);
  box-shadow: 0 0 0 4px rgba(197, 160, 40, 0.2), 0 4px 12px rgba(43, 45, 49, 0.16);
  transform: scale(1.2);
  transition: transform 0.35s ease, box-shadow 0.35s, border-color 0.35s;
}
.milestones-road.is-playing:not(.is-paused) .milestones-road__svg-road {
  animation: milestones-road-flow 3.2s ease-in-out infinite;
}
@keyframes milestones-road-flow {
  0%, 100% { opacity: 0.75; }
  50% { opacity: 1; }
}

.milestones-road__lane {
  flex: 1;
  display: flex;
  align-items: flex-end;
  justify-content: center;
  width: 100%;
  padding: 0 0.4rem;
}
.milestones-road__lane--top {
  align-items: flex-end;
  padding-bottom: 0.75rem;
}
.milestones-road__lane--bottom {
  align-items: flex-start;
  padding-top: 0.75rem;
}
.milestones-road__anchor {
  width: 15px;
  height: 15px;
  border-radius: 50%;
  background: #fff;
  border: 3px solid #9aa3b0;
  box-shadow: 0 2px 8px rgba(43, 45, 49, 0.14);
  flex-shrink: 0;
  z-index: 2;
}

/* Cards with side icon tab (reference layout) */
.road-card {
  --card-bg: #7a8fa8;
  --card-bg-dark: #667a92;
  display: flex;
  align-items: stretch;
  max-width: 215px;
  filter: drop-shadow(0 10px 20px rgba(43, 45, 49, 0.16));
  transition: transform 0.35s cubic-bezier(0.16, 1, 0.3, 1), filter 0.35s ease;
}
.road-card:hover {
  transform: translateY(-5px);
  filter: drop-shadow(0 16px 28px rgba(43, 45, 49, 0.2));
}
.road-card__main {
  flex: 1;
  min-width: 0;
  padding: 1rem 1rem 1.05rem;
  background: var(--card-bg);
  color: #fff;
  border-radius: 14px 0 0 14px;
  position: relative;
}
.road-card--top .road-card__main,
.road-card--bottom .road-card__main {
  border-radius: 14px 0 0 14px;
}
.road-card--top .road-card__main::after,
.road-card--bottom .road-card__main::after {
  display: none;
}
.road-card__icon-badge {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 2.6rem;
  align-self: stretch;
  background: var(--card-bg-dark);
  color: #fff;
  border-radius: 0 14px 14px 0;
  flex-shrink: 0;
}
.road-card__year {
  display: block;
  font-size: 1.15rem;
  font-weight: 800;
  line-height: 1.2;
  margin-bottom: 0.45rem;
  letter-spacing: -0.02em;
}
.road-card__main p {
  margin: 0;
  font-size: 0.78rem;
  line-height: 1.5;
  color: rgba(255, 255, 255, 0.94);
  display: -webkit-box;
  -webkit-line-clamp: 6;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

/* Soft professional palette matching reference */
.road-card--0 { --card-bg: #7a8fa8; --card-bg-dark: #667a92; }
.road-card--1 { --card-bg: #8b7a9e; --card-bg-dark: #746685; }
.road-card--2 { --card-bg: #c9855c; --card-bg-dark: #ad6f49; }
.road-card--3 { --card-bg: #6d9a92; --card-bg-dark: #5a827b; }
.road-card--4 { --card-bg: #9489a8; --card-bg-dark: #7b718f; }
.road-card--5 { --card-bg: #b8895a; --card-bg-dark: #9c744c; }

.timeline-section--about .timeline-footer {
  margin-top: 1.25rem;
  text-align: center;
  color: var(--text-muted, #6B7078);
}

@media (max-width: 720px) {
  .milestones-road__track {
    --col-w: 210px;
    min-height: 340px;
  }
  .milestones-road__col {
    min-height: 340px;
  }
  .road-card {
    max-width: 190px;
  }
  .road-card__main p {
    font-size: 0.72rem;
    -webkit-line-clamp: 5;
  }
}

@media (prefers-reduced-motion: reduce) {
  .milestones-road__col,
  .milestones-road__col.reveal:not(.visible) {
    opacity: 1;
    transform: none;
  }
  .milestones-road.is-playing .milestones-road__scroller {
    animation-duration: calc(var(--marquee-duration, 55s) * 2);
  }
}