/* Rewards tier identity. The generated concept already owns the component;
   this layer preserves each metal when a card is current and strengthens the
   aspirational top tier without changing the programme's data or behaviour. */

.ladder {
  grid-template-columns: repeat(3, minmax(0, 1fr)) minmax(0, 1.12fr);
  gap: 16px;
  align-items: stretch;
}

.ladder .rung {
  min-width: 0;
  min-height: 218px;
  border-radius: 18px;
}

.ladder .rung--bronze {
  border-color: #a9632b;
  background:
    linear-gradient(116deg, rgba(255, 255, 255, .7) 0%, rgba(255, 255, 255, .14) 24%, transparent 41%),
    linear-gradient(155deg, #fff5eb 0%, #dfb083 44%, #f0ceb0 69%, #bd7840 100%);
  box-shadow: inset 0 1px rgba(255, 255, 255, .74), 0 14px 34px rgba(117, 65, 25, .15);
}

.ladder .rung--bronze::before {
  height: 5px;
  background: linear-gradient(90deg, #7f4317 0%, #d99a61 34%, #8d4d1d 68%, #e0ab79 100%);
}

.ladder .rung--silver {
  border-color: #aaa9a4;
  background:
    linear-gradient(116deg, rgba(255, 255, 255, .88) 0%, rgba(255, 255, 255, .17) 25%, transparent 42%),
    linear-gradient(155deg, #fafaf9 0%, #c9c9c5 45%, #efefec 70%, #b5b5b0 100%);
  box-shadow: inset 0 1px rgba(255, 255, 255, .94), 0 14px 34px rgba(65, 65, 61, .13);
}

.ladder .rung--silver::before {
  height: 5px;
  background: linear-gradient(90deg, #6e6e6a 0%, #f7f7f5 35%, #898984 60%, #e8e8e5 100%);
}

.ladder .rung--gold {
  border-color: #a8730d;
  background:
    linear-gradient(116deg, rgba(255, 255, 255, .64) 0%, rgba(255, 255, 255, .1) 24%, transparent 42%),
    linear-gradient(155deg, #fff4ca 0%, #cf9d2b 44%, #efd06e 69%, #b77808 100%);
  box-shadow: inset 0 1px rgba(255, 255, 255, .72), 0 16px 38px rgba(125, 84, 5, .18);
}

.ladder .rung--gold::before {
  height: 5px;
  background: linear-gradient(90deg, #7e5200 0%, #f6d56d 34%, #9f6905 64%, #f0c64a 100%);
}

.ladder .rung--bronze :is(.rung-rate span, .rung-how, .rung-gift em) { color: #543b28 }
.ladder .rung--silver :is(.rung-rate span, .rung-how, .rung-gift em) { color: #40413f }
.ladder .rung--gold :is(.rung-rate span, .rung-how, .rung-gift em) { color: #4a3b16 }

/* Being the current tier is a location marker, not a fifth colour. Keeping the
   card's own surface makes Bronze, Silver, Gold and Platinum recognisable even
   when “You are here” moves from one to another. */
.ladder .rung.is-you {
  border-color: var(--tier);
  outline: 3px solid color-mix(in srgb, var(--tier) 20%, transparent);
  outline-offset: 2px;
}

.ladder .rung-you {
  top: 13px;
  right: 13px;
  padding: 4px 7px;
  border-radius: 999px;
  background: rgba(255, 255, 255, .72);
  box-shadow: inset 0 0 0 1px color-mix(in srgb, var(--tier) 22%, transparent);
}

.ladder .rung-gift svg {
  color: var(--tier);
}

.ladder .rung--platinum {
  border: 1px solid transparent;
  background:
    radial-gradient(85% 95% at 92% 0%, rgba(239, 247, 252, .18) 0%, transparent 46%) padding-box,
    radial-gradient(60% 80% at 8% 110%, rgba(119, 139, 153, .16) 0%, transparent 65%) padding-box,
    repeating-linear-gradient(118deg, rgba(255, 255, 255, .026) 0 1px, transparent 1px 7px) padding-box,
    linear-gradient(158deg, #29343c 0%, #11171b 52%, #070a0c 100%) padding-box,
    linear-gradient(108deg, #63717b 0%, #f5fafc 28%, #87949d 48%, #edf3f6 72%, #56636c 100%) border-box;
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, .07), 0 5px 10px rgba(0, 0, 0, .28), 0 32px 68px rgba(0, 0, 0, .4);
  transform: translateY(-10px);
}

.ladder .rung--platinum::after {
  content: "✦  TOP TIER";
  position: absolute;
  top: 13px;
  right: 13px;
  z-index: 2;
  padding: 5px 7px;
  border: 1px solid rgba(225, 234, 240, .22);
  border-radius: 999px;
  background: rgba(255, 255, 255, .06);
  color: #edf3f6;
  font-size: 9.5px;
  font-weight: 750;
  letter-spacing: .12em;
  text-shadow: 0 1px 8px rgba(255, 255, 255, .28);
}

.ladder .rung--platinum.is-you::after {
  content: none;
}

.ladder .rung--platinum .tier-pill::before {
  background: linear-gradient(135deg, #fff, #8e9ca6 55%, #e9eff3);
  box-shadow: 0 0 0 3px rgba(213, 224, 231, .16), 0 0 12px rgba(221, 232, 239, .22);
}

.ladder .rung--platinum .tier-pill {
  border-color: rgba(226, 235, 240, .24);
  background: linear-gradient(135deg, rgba(255, 255, 255, .13), rgba(255, 255, 255, .035));
  box-shadow: inset 0 1px rgba(255, 255, 255, .1);
}

.ladder .rung--platinum .rung-sheen {
  background: linear-gradient(100deg,
    transparent 36%,
    rgba(255, 255, 255, .025) 43%,
    rgba(238, 246, 251, .22) 50%,
    rgba(255, 255, 255, .025) 57%,
    transparent 64%);
}

.ladder .rung--platinum .rung-you {
  color: #e2e8ed;
  background: rgba(255, 255, 255, .09);
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, .14);
}

.ladder .rung--platinum:focus-within {
  outline-color: #e6edf2;
}

@media (hover: hover) and (pointer: fine) {
  .ladder .rung--platinum:hover {
    transform: translateY(-14px) scale(1.012);
  }
}

@media (max-width: 980px) {
  .ladder {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .ladder .rung--platinum,
  .ladder .rung--platinum:hover {
    transform: none;
  }
}

@media (max-width: 760px) {
  .ladder {
    grid-template-columns: 1fr;
  }

  .ladder .rung {
    min-height: 0;
  }
}

@media (prefers-reduced-motion: reduce) {
  .ladder .rung--platinum,
  .ladder .rung--platinum:hover {
    transform: none;
  }
}