/* Experiments & Research archive page (projects.html) */

.archive-page { padding-top: 40px; }

.archive-intro {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 30px;
  align-items: end;
  margin-bottom: 46px;
}
.archive-intro p { color: #555; font-size: 18px; line-height: 1.7; max-width: 780px; margin: 0; }
.archive-intro .primary-btn { padding: 0 22px; min-height: 50px; white-space: nowrap; }

.filter-toolbar {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
  padding: 0 0 26px;
  margin-bottom: 30px;
  border-bottom: 1px solid rgba(0, 0, 0, .18);
}
#archive-chips { display: contents; }
#archive-count {
  margin-right: auto;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: #666;
}
.filter-chip,
.toggle-chip {
  border: 1px solid rgba(0, 0, 0, .35);
  background: rgba(255, 255, 255, .55);
  color: #111;
  border-radius: 999px;
  padding: 9px 15px;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: .06em;
  cursor: pointer;
  transition: transform .2s ease, background .2s ease, color .2s ease;
}
.filter-chip:hover,
.toggle-chip:hover { transform: translateY(-2px); }
.filter-chip.active,
.toggle-chip.active { background: #050505; color: #fff; border-color: #050505; }
.toggle-chip.active { box-shadow: 0 10px 24px rgba(0, 0, 0, .28); }

#archive-root {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(315px, 1fr));
  gap: 18px;
}
.archive-card {
  position: relative;
  display: flex;
  flex-direction: column;
  padding: 24px;
  background: rgba(255, 255, 255, .88);
  border: 1px solid rgba(0, 0, 0, .12);
  border-radius: 0 24px 0 24px;
  box-shadow: 0 16px 42px rgba(0, 0, 0, .08);
  transition: transform .25s ease, box-shadow .25s ease;
  overflow: hidden;
}
.archive-card::before {
  content: "";
  position: absolute;
  inset: 0 auto 0 0;
  width: 4px;
  background: #050505;
  transform: scaleY(.2);
  transform-origin: center;
  transition: transform .28s ease;
}
.archive-card:hover { transform: translateY(-6px); box-shadow: 0 26px 60px rgba(0, 0, 0, .16); }
.archive-card:hover::before { transform: scaleY(1); }
.archive-card.is-fork { opacity: .92; }
.archive-card.is-fork::before { background: #8a8a8a; }
.archive-card.is-featured::before { width: 5px; background: #050505; }

.archive-card-top,
.archive-meta,
.archive-foot,
.archive-links { display: flex; align-items: center; }
.archive-card-top { justify-content: space-between; gap: 12px; margin-bottom: 14px; }
.archive-badges { display: flex; gap: 6px; flex-wrap: wrap; }
.badge {
  font-size: 10px;
  font-weight: 800;
  letter-spacing: .14em;
  text-transform: uppercase;
  border-radius: 999px;
  padding: 5px 10px;
}
.badge.featured { background: #050505; color: #fff; }
.badge.fork { border: 1px solid #9a9a9a; color: #6a6a6a; }
.archive-meta { gap: 10px; margin-left: auto; flex-wrap: wrap; justify-content: flex-end; }
.archive-meta .lang,
.archive-meta .date {
  font-size: 11px;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: #777;
}
.archive-meta .lang { color: #050505; font-weight: 800; }

.archive-title {
  font: 700 23px/1.15 "Space Grotesk", sans-serif;
  letter-spacing: -.03em;
  color: #020202;
  text-decoration: none;
}
a.archive-title:hover { text-decoration: underline; text-underline-offset: 4px; }
.archive-slug {
  display: block;
  margin-top: 4px;
  color: #929292;
  font-size: 11px;
  word-break: break-all;
}
.archive-desc {
  margin: 14px 0 0;
  color: #4f4f4f;
  font-size: 14px;
  line-height: 1.65;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.archive-foot {
  justify-content: space-between;
  gap: 12px;
  margin-top: auto;
  padding-top: 16px;
  border-top: 1px solid rgba(0, 0, 0, .12);
}
.archive-cat {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: #777;
}
.archive-links { gap: 8px; }
.archive-link {
  display: inline-flex;
  align-items: center;
  border: 1px solid #111;
  color: #050505;
  border-radius: 999px;
  padding: 7px 13px;
  font-size: 11px;
  font-weight: 800;
  letter-spacing: .08em;
  text-decoration: none;
  transition: background .2s ease, color .2s ease;
}
.archive-link:hover { background: #050505; color: #fff; }
.archive-link.accent { background: #050505; color: #fff; }
.archive-link.accent:hover { background: #fff; color: #050505; }

.archive-empty {
  grid-column: 1 / -1;
  padding: 60px 20px;
  text-align: center;
  color: #777;
  font-size: 15px;
}
.noscript-note {
  grid-column: 1 / -1;
  margin: 0 0 26px;
  padding: 18px;
  border: 1px dashed rgba(0, 0, 0, .3);
  border-radius: 14px;
  color: #555;
  font-size: 14px;
}

@media (max-width: 767px) {
  .archive-intro { grid-template-columns: 1fr; gap: 18px; }
  #archive-root { grid-template-columns: 1fr; }
  .filter-toolbar { gap: 8px; }
  .filter-chip, .toggle-chip { padding: 8px 12px; font-size: 11px; }
}