equal-height pricing cards: flex column, perks flex-grow, button bottom

index.html

@@ -799,7 +799,6 @@
             gap: 20px;
             max-width: 960px;
             margin: 0 auto;
-            align-items: start;
         }
         .pricing-card {
             background: var(--bg-card);
@@ -810,12 +809,23 @@
             box-shadow: var(--shadow);
             position: relative;
             transition: border-color 0.2s, transform 0.2s;
+            display: flex;
+            flex-direction: column;
         }
         .pricing-card.featured {
             border-color: var(--accent);
             background: linear-gradient(180deg, rgba(79, 142, 247, 0.06) 0%, var(--bg-card) 100%);
             transform: scale(1.04);
         }
+        .pricing-perks {
+            list-style: none;
+            text-align: left;
+            margin: 14px 0 24px;
+            flex: 1;
+        }
+        .pricing-card .btn-block {
+            margin-top: auto;
+        }
         .pricing-badge {
             position: absolute;
             top: -11px;