.plans__card[data-tier="starter"]   { background: linear-gradient(160deg, rgba(120, 161, 242, 0.5) 0%, rgba(120, 161, 242, 0.12) 50%, rgba(10, 8, 18, 0.92) 100%); --tier-color: #78a1f2; box-shadow: inset 0 0 0 1px rgba(120, 161, 242, 0.25); }
.plans__card[data-tier="standard"]   { background: linear-gradient(160deg, rgba(140, 120, 235, 0.5) 0%, rgba(140, 120, 235, 0.12) 50%, rgba(10, 8, 18, 0.92) 100%); --tier-color: #8c78eb; box-shadow: inset 0 0 0 1px rgba(140, 120, 235, 0.25); }
.plans__card[data-tier="pro"]   { background: linear-gradient(160deg, rgba(160, 101, 255, 0.5) 0%, rgba(160, 101, 255, 0.12) 50%, rgba(10, 8, 18, 0.92) 100%); --tier-color: #a065ff; box-shadow: inset 0 0 0 1px rgba(160, 101, 255, 0.25); }
.plans__card[data-tier="ultimate"]   { background: linear-gradient(160deg, rgba(95, 255, 152, 0.5) 0%, rgba(95, 255, 152, 0.12) 50%, rgba(10, 8, 18, 0.92) 100%); --tier-color: #5fff98; box-shadow: inset 0 0 0 1px rgba(95, 255, 152, 0.25); }

.plans__card[data-tier="starter"] .plans__card-btn,
.plans__card[data-tier="standard"] .plans__card-btn,
.plans__card[data-tier="pro"] .plans__card-btn,
.plans__card[data-tier="ultimate"] .plans__card-btn { color: #0d0b14; }

.plans__card.plans__card--popular[data-tier="pro"] {
  overflow: visible;
  box-shadow: 0 0 0 2px var(--tier-color), 0 0 40px rgba(160, 101, 255, 0.25), 0 12px 40px rgba(0, 0, 0, 0.4);
}

.plans__card.plans__card--popular[data-tier="pro"]:hover {
  box-shadow: 0 0 0 3px var(--tier-color), 0 0 56px rgba(160, 101, 255, 0.35), 0 20px 56px rgba(0, 0, 0, 0.5);
}

.plans__card.plans__card--popular[data-tier="pro"] .plans__card-overlay {
  border-radius: 18px;
}