/* Spec-Ring Case Study v2 — Year-in-Review timeline */

#spec-ring-mount { display: block; }

.cs2-card {
  position: relative;
  background: linear-gradient(160deg, #3B0E6A 0%, #1E0438 100%);
  color: #fff;
  border-radius: var(--radius-2xl);
  padding: 48px clamp(28px, 4.5vw, 64px) 40px;
  box-shadow: var(--shadow-xl), 0 0 0 1px rgba(255,255,255,.05) inset;
  overflow: hidden;
  isolation: isolate;
}
.cs2-card::before {
  content: ""; position: absolute; inset: 0; pointer-events: none;
  background:
    radial-gradient(60% 50% at 90% 0%, rgba(241,197,24,.14) 0%, transparent 60%),
    radial-gradient(45% 50% at 0% 100%, rgba(167,127,208,.2) 0%, transparent 60%);
  z-index: 0;
}
.cs2-card::after {
  content: ""; position: absolute; inset: 0; pointer-events: none;
  background-image:
    linear-gradient(rgba(255,255,255,.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.03) 1px, transparent 1px);
  background-size: 56px 56px;
  mask-image: radial-gradient(circle at center, #000 30%, transparent 78%);
  z-index: 0;
}
.cs2-card > * { position: relative; z-index: 1; }

/* ── Header ─────────────────────────────────────────────────── */
.cs2-head { max-width: 880px; margin: 0 auto 36px; text-align: center; }
.cs2-tag {
  display: inline-flex; align-items: center; gap: 12px;
  padding: 6px 12px 6px 6px;
  border-radius: 999px;
  background: rgba(255,255,255,.06);
  border: 1px solid rgba(255,255,255,.1);
  margin-bottom: 22px;
}
.cs2-badge {
  font-size: 11px; font-weight: 700; letter-spacing: .12em; text-transform: uppercase;
  color: var(--brand-purple-900);
  background: #F1C518;
  padding: 4px 10px; border-radius: 999px;
}
.cs2-client {
  font-family: var(--font-display); font-weight: 400; font-size: 15px;
  color: rgba(255,255,255,.85); letter-spacing: -.01em;
}
.cs2-title {
  font-family: var(--font-display); font-weight: 300;
  font-size: clamp(28px, 3.4vw, 42px);
  line-height: 1.12; letter-spacing: -.02em;
  margin: 0;
  color: #fff;
}
.cs2-strike {
  position: relative;
  color: rgba(255,255,255,.55);
}
.cs2-strike::after {
  content: ""; position: absolute; left: -2%; right: -2%; top: 52%;
  height: 2px; background: rgba(241,197,24,.85);
  transform: scaleX(0); transform-origin: left center;
  transition: transform .9s var(--ease-out) .6s;
}
.cs2-card.in-view .cs2-strike::after { transform: scaleX(1); }
.cs2-em { color: #F1C518; font-style: italic; }

/* ── Timeline scrubber ──────────────────────────────────────── */
.cs2-timeline {
  position: relative;
  height: 76px;
  margin: 0 12px 32px;
  padding: 0 0 28px;
}
.cs2-track {
  position: absolute; left: 0; right: 0; top: 18px;
  height: 4px; border-radius: 99px;
  background: rgba(255,255,255,.08);
  overflow: hidden;
}
.cs2-track-fill {
  position: absolute; left: 0; top: 0; bottom: 0;
  background: linear-gradient(90deg, #F1C518 0%, #F5D24A 100%);
  border-radius: 99px;
  transition: width .9s cubic-bezier(.22,1,.36,1);
}
.cs2-stop {
  position: absolute; top: 0;
  transform: translateX(-50%);
  display: flex; flex-direction: column; align-items: center; gap: 8px;
  background: none; border: none; cursor: pointer;
  color: inherit;
  padding: 0;
}
.cs2-stop-dot {
  width: 16px; height: 16px; margin-top: 12px;
  border-radius: 99px;
  background: rgba(255,255,255,.12);
  border: 2px solid rgba(255,255,255,.25);
  transition: all .35s var(--ease-out);
  position: relative; z-index: 1;
}
.cs2-stop.is-passed .cs2-stop-dot {
  background: #F5D24A;
  border-color: #F1C518;
}
.cs2-stop.is-active .cs2-stop-dot {
  background: #F1C518;
  border-color: #fff;
  transform: scale(1.3);
  box-shadow: 0 0 0 6px rgba(241,197,24,.18), 0 6px 18px rgba(241,197,24,.4);
}
.cs2-stop-label {
  font-size: 11px; font-weight: 700; letter-spacing: .08em; text-transform: uppercase;
  color: rgba(255,255,255,.55);
  transition: color .25s var(--ease-out);
  margin-top: 4px;
  white-space: nowrap;
}
.cs2-stop-label .short { display: none; }
.cs2-stop.is-active .cs2-stop-label { color: #F1C518; }
.cs2-stop:hover .cs2-stop-label { color: #fff; }

/* ── Stage (leaderboard + receipt) ──────────────────────────── */
.cs2-stage {
  display: grid;
  grid-template-columns: 1.15fr 1fr;
  gap: 24px;
  margin-bottom: 28px;
  align-items: stretch;
}

/* Leaderboard */
.cs2-board {
  background: rgba(0,0,0,.22);
  border: 1px solid rgba(255,255,255,.08);
  border-radius: 18px;
  padding: 22px 22px 18px;
  display: flex; flex-direction: column; gap: 14px;
  position: relative;
  min-height: 460px;
}
.cs2-board-head {
  display: flex; justify-content: space-between; align-items: flex-end;
  padding-bottom: 10px;
  border-bottom: 1px solid rgba(255,255,255,.06);
}
.cs2-board-eyebrow {
  font-size: 11px; font-weight: 700; letter-spacing: .14em; text-transform: uppercase;
  color: rgba(255,255,255,.55);
  font-family: var(--font-mono);
}
.cs2-board-rank {
  display: inline-flex; align-items: baseline; gap: 2px;
  font-family: var(--font-display); color: #F1C518;
  font-variant-numeric: tabular-nums;
}
.cs2-board-rank .num { font-size: 36px; font-weight: 300; line-height: 1; letter-spacing: -.02em; }
.cs2-board-rank .suf { font-size: 14px; font-weight: 400; opacity: .75; }

.cs2-board-list {
  list-style: none; padding: 0; margin: 0;
  display: flex; flex-direction: column; gap: 4px;
  flex: 1;
}
.cs2-board-row {
  display: grid;
  grid-template-columns: 36px 28px 1fr 80px;
  gap: 10px; align-items: center;
  padding: 9px 12px;
  border-radius: 10px;
  background: rgba(255,255,255,.025);
  transition: all .55s var(--ease-out);
  animation: cs2-row-in .4s var(--ease-out) both;
  animation-delay: calc(var(--row-i, 0) * 50ms);
}
@keyframes cs2-row-in {
  from { opacity: 0; transform: translateY(6px); }
  to   { opacity: 1; transform: none; }
}
.cs2-board-pos {
  font-family: var(--font-mono); font-weight: 700;
  font-size: 13px; color: rgba(255,255,255,.55);
  font-variant-numeric: tabular-nums;
  display: flex; align-items: baseline; gap: 1px;
}
.cs2-board-pos .suf { font-size: 9px; opacity: .7; }
.cs2-board-fav {
  width: 22px; height: 22px; border-radius: 6px;
  display: flex; align-items: center; justify-content: center;
  background: linear-gradient(135deg, #555, #333);
  color: var(--brand-purple-900);
}
.cs2-board-name {
  font-size: 12.5px; color: rgba(255,255,255,.85);
  display: flex; flex-direction: column; line-height: 1.2; min-width: 0;
}
.cs2-board-name strong { color: #fff; font-weight: 600; }
.cs2-board-url {
  font-family: var(--font-mono);
  font-size: 10px; color: rgba(255,255,255,.4);
  margin-top: 2px;
  overflow: hidden; text-overflow: ellipsis; white-space: nowrap;
}
.cs2-board-bar {
  height: 5px; background: rgba(255,255,255,.06);
  border-radius: 99px; overflow: hidden;
}
.cs2-board-bar .fill {
  display: block; height: 100%;
  background: rgba(255,255,255,.18);
  border-radius: 99px;
  transition: width .6s var(--ease-out);
}
.cs2-board-row.is-us {
  background: linear-gradient(90deg, rgba(241,197,24,.18) 0%, rgba(241,197,24,.04) 100%);
  border: 1px solid rgba(241,197,24,.45);
  box-shadow: 0 8px 24px rgba(241,197,24,.18);
  transform: scale(1.02);
}
.cs2-board-row.is-us .cs2-board-pos { color: #F1C518; }
.cs2-board-row.is-us .cs2-board-fav {
  background: linear-gradient(135deg, #F5D24A, #C9A412);
  color: var(--brand-purple-900);
}
.cs2-board-row.is-us .cs2-board-name strong { color: #fff; }
.cs2-board-row.is-us .cs2-board-url { color: rgba(255,255,255,.6); }
.cs2-board-row.is-us .cs2-board-bar .fill {
  background: linear-gradient(90deg, #F1C518, rgba(241,197,24,.45));
}
.cs2-board-overflow {
  display: flex; justify-content: center; align-items: center; gap: 10px;
  margin-top: auto; padding-top: 12px;
  font-size: 10.5px; font-weight: 700; letter-spacing: .14em; text-transform: uppercase;
  color: rgba(255,255,255,.45);
}
.cs2-board-overflow .dots { font-size: 18px; letter-spacing: .3em; color: rgba(255,255,255,.3); }

/* Receipt */
.cs2-receipt {
  display: flex; align-items: stretch; justify-content: center;
  padding: 6px;
  position: relative;
}
.cs2-receipt-tape {
  width: 100%; max-width: 320px;
  display: flex; flex-direction: column;
  filter: drop-shadow(0 18px 28px rgba(0,0,0,.5));
  animation: cs2-tape-sway 9s ease-in-out infinite;
  transform-origin: top center;
}
@keyframes cs2-tape-sway {
  0%, 100% { transform: rotate(-1deg); }
  50%      { transform: rotate(0.5deg); }
}
.cs2-receipt-edge {
  height: 12px;
  background: #FAF6EC;
  -webkit-mask-image: radial-gradient(circle at 6px 0, transparent 5px, #000 5.5px);
  -webkit-mask-size: 12px 12px;
  -webkit-mask-repeat: repeat-x;
  mask-image: radial-gradient(circle at 6px 0, transparent 5px, #000 5.5px);
  mask-size: 12px 12px;
  mask-repeat: repeat-x;
}
.cs2-receipt-edge.bottom {
  -webkit-mask-image: radial-gradient(circle at 6px 12px, transparent 5px, #000 5.5px);
  mask-image: radial-gradient(circle at 6px 12px, transparent 5px, #000 5.5px);
}
.cs2-receipt-body {
  background: #FAF6EC;
  color: #2A0855;
  padding: 22px 24px;
  font-family: 'Courier New', ui-monospace, monospace;
  position: relative;
}
.cs2-receipt-body::before {
  content: ""; position: absolute; inset: 0;
  background:
    repeating-linear-gradient(180deg, rgba(0,0,0,.015) 0 1px, transparent 1px 3px);
  pointer-events: none;
}
.cs2-receipt-head { text-align: center; }
.cs2-receipt-head .logo {
  display: block; font-family: var(--font-display); font-weight: 700; font-size: 18px;
  letter-spacing: .12em; color: var(--brand-purple-900);
}
.cs2-receipt-head .addr {
  display: block; font-size: 10px; letter-spacing: .14em;
  color: rgba(40,5,80,.6); text-transform: uppercase;
  margin-top: 2px;
}
.cs2-receipt-head .when {
  display: inline-block; margin-top: 8px;
  font-size: 11px; font-weight: 700; letter-spacing: .12em;
  background: var(--brand-purple-900); color: #FAF6EC;
  padding: 3px 9px; border-radius: 4px;
}
.cs2-receipt-divider {
  height: 0; border-top: 1px dashed rgba(40,5,80,.3);
  margin: 12px 0;
}
.cs2-receipt-lines {
  list-style: none; padding: 0; margin: 0;
  display: flex; flex-direction: column; gap: 4px;
}
.cs2-receipt-line {
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: 4px; align-items: baseline;
  font-size: 11.5px; color: var(--brand-purple-900);
  animation: cs2-line-in .35s ease-out both;
  animation-delay: calc(var(--i) * 60ms);
}
@keyframes cs2-line-in {
  from { opacity: 0; transform: translateX(-4px); }
  to   { opacity: 1; transform: none; }
}
.cs2-receipt-line .label { font-weight: 600; letter-spacing: .01em; }
.cs2-receipt-line .dots {
  overflow: hidden; white-space: nowrap;
  color: rgba(40,5,80,.35); letter-spacing: 1px;
  min-width: 12px;
}
.cs2-receipt-line .val {
  font-weight: 700; color: var(--brand-purple-900);
  font-variant-numeric: tabular-nums;
}
.cs2-receipt-total {
  display: flex; justify-content: space-between; align-items: baseline;
  padding: 8px 0;
}
.cs2-receipt-total .label {
  font-size: 10.5px; font-weight: 700; letter-spacing: .14em;
  color: var(--brand-purple-700);
}
.cs2-receipt-total .val {
  display: inline-flex; align-items: baseline; gap: 1px;
  font-family: var(--font-display); font-weight: 400;
  color: var(--brand-purple-900);
  font-variant-numeric: tabular-nums;
}
.cs2-receipt-total .val .num { font-size: 30px; line-height: 1; letter-spacing: -.02em; }
.cs2-receipt-total .val .x   { font-size: 16px; opacity: .75; }
.cs2-receipt-meta {
  display: flex; justify-content: space-between;
  font-size: 9px; letter-spacing: .14em; text-transform: uppercase;
  color: rgba(40,5,80,.55);
  margin-top: 8px;
}

/* ── Caption row ────────────────────────────────────────────── */
.cs2-caption {
  display: grid; grid-template-columns: 1fr auto; gap: 24px;
  padding: 20px 24px;
  background: rgba(255,255,255,.05);
  border: 1px solid rgba(255,255,255,.1);
  border-radius: 14px;
  margin-bottom: 24px;
  align-items: center;
  animation: cs2-cap-in .55s var(--ease-out);
}
@keyframes cs2-cap-in {
  from { opacity: 0; transform: translateY(8px); }
  to   { opacity: 1; transform: none; }
}
.cs2-caption-when {
  display: inline-block;
  font-size: 10.5px; font-weight: 800; letter-spacing: .16em; text-transform: uppercase;
  color: #F1C518;
  margin-bottom: 6px;
}
.cs2-caption-headline {
  margin: 0 0 4px;
  font-family: var(--font-display);
  font-size: 22px; font-weight: 400; line-height: 1.2;
  letter-spacing: -.01em;
  color: #fff;
}
.cs2-caption-quote {
  margin: 0;
  font-size: 14px; line-height: 1.55;
  color: rgba(255,255,255,.78);
  font-style: italic;
  max-width: 560px;
}
.cs2-caption-chips {
  display: flex; flex-wrap: wrap; gap: 6px;
  justify-content: flex-end;
  align-content: center;
  max-width: 280px;
}
.cs2-chip {
  font-size: 10.5px; font-weight: 700; letter-spacing: .08em;
  padding: 5px 10px;
  border-radius: 999px;
  background: rgba(241,197,24,.12);
  color: #F5D24A;
  border: 1px solid rgba(241,197,24,.32);
  white-space: nowrap;
}

/* ── Footer summary ─────────────────────────────────────────── */
.cs2-foot {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr auto;
  gap: 18px; align-items: center;
  padding-top: 22px;
  border-top: 1px solid rgba(255,255,255,.08);
}
.cs2-foot-stat { display: flex; flex-direction: column; gap: 2px; }
.cs2-foot-stat .lbl {
  font-size: 10px; font-weight: 700; letter-spacing: .14em; text-transform: uppercase;
  color: rgba(255,255,255,.5);
}
.cs2-foot-stat .val {
  font-family: var(--font-display); font-size: 16px; font-weight: 400;
  color: rgba(255,255,255,.85); letter-spacing: -.005em;
}
.cs2-foot-stat .val s { color: rgba(255,255,255,.4); margin-right: 4px; }
.cs2-foot-stat .val strong { color: #F1C518; font-weight: 600; }
.cs2-cta-group {
  display: inline-flex; align-items: center; gap: 14px;
  flex-wrap: wrap; justify-content: flex-end;
}
.cs2-link {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 12px 22px;
  background: #F1C518; color: var(--brand-purple-900);
  font-weight: 700; font-size: 14px; letter-spacing: .02em;
  text-decoration: none;
  border-radius: 999px;
  transition: all .2s var(--ease-out);
}
.cs2-link:hover { background: #F5D24A; transform: translateX(2px); }
.cs2-link-ghost {
  color: rgba(255,255,255,.85);
  font-weight: 600; font-size: 14px; letter-spacing: .02em;
  text-decoration: none;
  padding: 12px 4px;
  border-bottom: 1.5px solid rgba(255,255,255,.25);
  transition: color .2s var(--ease-out), border-color .2s var(--ease-out);
}
.cs2-link-ghost:hover { color: #F1C518; border-color: #F1C518; }

/* ── Responsive ─────────────────────────────────────────────── */
@media (max-width: 980px) {
  .cs2-stage { grid-template-columns: 1fr; }
  .cs2-board { min-height: 380px; }
  .cs2-receipt-tape { max-width: 360px; margin: 0 auto; }
}
@media (max-width: 640px) {
  .cs2-card { padding: 36px 22px; }
  .cs2-caption { grid-template-columns: 1fr; }
  .cs2-caption-chips { justify-content: flex-start; max-width: none; }
  .cs2-foot { grid-template-columns: 1fr; }
  .cs2-stop-label .full { display: none; }
  .cs2-stop-label .short { display: inline; }
  .cs2-board-row { grid-template-columns: 32px 24px 1fr 60px; gap: 8px; padding: 8px 10px; }
  .cs2-receipt-body { padding: 18px 18px; }
  .cs2-cta-group { justify-content: flex-start; }
}