.darkmode{
  --milestone-border: rgba(255,255,255,.14);
  --milestone-spine: rgba(255,255,255,.22);
  --milestone-dot: rgba(255,255,255,.75);
  --milestone-line: rgba(255,255,255,.25);
  --milestone-card-bg: rgba(255,255,255,.05);
  --milestone-halo: rgba(0,0,0,.55);
  --milestone-shadow: rgba(0,0,0,.4);
}

.post-group ul li a.milestone-item{
  display:flex !important;
  flex-direction:column !important;
  align-items:flex-start;
  align-items: center;
  gap:.4rem;
  text-decoration:none;
}

/* Image sizing */
.post-group ul li a.milestone-item img.milestone-thumb{
  width:auto;
  height:auto;
  border-radius:4px;
  display:block;
}

/* If anything weird is blocking clicks, this helps */
.post-group ul li a.milestone-item *{
  pointer-events:auto;
}

.milestone-title{
  font-size: 0.9rem;
  font-weight: 600;
}

.milestone-grid{
  display:grid;
  grid-template-columns: repeat(7, minmax(0, 1fr));
  gap: 1.25rem;
  align-items:start;
}

@media (max-width: 900px){
  .milestone-grid{ grid-template-columns: 1fr; }
}

.milestone-col{
  border: 1px solid rgba(0,0,0,.08);
  border-radius: 6px;
  padding: 0 1rem 1rem 1rem;  /* no top padding — sticky title sits flush at top */
  max-height: 80vh;
  overflow-y: auto;
}

.milestone-col-title{
  text-align: center;
  font-size: 1.25rem;
  font-weight: 700;
  padding: 0.75rem 1rem;
  margin: 0 -1rem 1rem -1rem;  /* span full width, flush top */

  /* Sticky header — stays at top of its column while scrolling */
  position: sticky;
  top: 0;
  z-index: 2;
  background: var(--bg);

  /* two horizontal lines below (double underline effect) */
  border-bottom: 3px double rgba(0,0,0,.25);
}

.milestone-col .post-group{
  position: relative;  /* so ::before spine anchors to its own group, not the column */
}

.milestone-col .post-group ul{
  list-style: none;
  padding-left: 0;
  margin: 0;
}

.milestone-col .post-group::before{
  content: none;
}

.milestone-item{
  text-align: center;
}

.milestone-item{
  display: block;
  padding: 0.85rem 0.9rem;
  border: 1px solid rgba(0,0,0,.08);
  border-radius: 10px;
  background: rgba(255,255,255,.35);
  text-decoration: none;
}

.milestone-thumb{
  display: block;
  width: 100%;
  max-width: 100%;
  margin-top: 0.65rem;
  border-radius: 12px;
}

.milestone-col .post-group h4{
  text-align: center;
  font-size: 1.1rem;
  font-weight: 700;
  margin: 1.75rem 0 1.25rem 0;
  position: relative;
}

.milestone-col .post-group h4::before,
.milestone-col .post-group h4::after{
  content:"";
  position:absolute;
  top:50%;
  width:30%;
  height:1px;
  background: rgba(0,0,0,.25);
}

.milestone-col .post-group h4::before{
  left:0;
}

.milestone-col .post-group h4::after{
  right:0;
}

/* Column container border */
.darkmode .milestone-col{
  border-color: rgba(255,255,255,.18);
}

/* Card border + background */
.darkmode .milestone-item{
  border-color: rgba(255,255,255,.18);
  background: rgba(255,255,255,.06);
}

/* Vertical timeline spine — removed */

/* Timeline dot */
.darkmode .milestone-li::before{
  background: rgba(255,255,255,.75);
  outline: 4px solid rgba(0,0,0,.55);
}

/* Horizontal double lines under column titles (e.g. Systems) */
.darkmode .milestone-col-title{
  border-bottom-color: rgba(255,255,255,.28);
}

/* Horizontal lines beside year headings */
.darkmode .milestone-col .post-group h4::before,
.darkmode .milestone-col .post-group h4::after{
  background: rgba(255,255,255,.28);
}


/* Make wrapper actually usable width-wise */
#wrapper:has(.milestone-page){
  max-width: 2400px !important;  /* keep if you want */
  width: 100% !important;
  padding-left: 2vw !important;
  padding-right: 2vw !important;
}

/* ── Awards 4-column grid ── */
.awards-grid{
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1.25rem;
  align-items: start;
}

@media (max-width: 900px){
  .awards-grid{ grid-template-columns: 1fr; }
}