:root {
  --rd-pi-navy: #123d58;
  --rd-pi-blue: #1d5a78;
  --rd-pi-gold: #f6c000;
  --rd-pi-ink: #20272c;
  --rd-pi-muted: #62717a;
  --rd-pi-line: #d6e0e4;
  --rd-pi-paper: #fffdf7;
  --rd-pi-wash: #eef5f7;
}

.rd-platform-inventory,
.rd-platform-tier-section,
.rd-platform-catalog,
.rd-platform-registry,
.rd-platform-workflow {
  margin: 0 0 34px;
  padding: clamp(28px, 5vw, 56px);
  border: 1px solid var(--rd-pi-line);
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.96);
  box-shadow: 0 22px 48px rgba(18, 61, 88, 0.08);
}

.rd-platform-inventory {
  position: relative;
  overflow: hidden;
  margin-top: 34px;
  background:
    linear-gradient(135deg, rgba(18, 61, 88, 0.98), rgba(29, 90, 120, 0.92)),
    repeating-linear-gradient(135deg, transparent 0 24px, rgba(255, 255, 255, 0.05) 24px 26px);
  color: #fff;
}

.rd-platform-inventory::after {
  position: absolute;
  right: -70px;
  bottom: -90px;
  width: 260px;
  height: 260px;
  border: 42px solid rgba(246, 192, 0, 0.16);
  border-radius: 50%;
  content: '';
  pointer-events: none;
}

.rd-platform-inventory-heading {
  position: relative;
  z-index: 1;
  max-width: 850px;
  margin-bottom: 28px;
}

.rd-platform-inventory-heading > p,
.rd-platform-eyebrow {
  margin: 0 0 8px;
  color: var(--rd-pi-gold);
  font-size: 12px;
  font-weight: 850;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.rd-platform-inventory-heading h2,
.rd-platform-tier-section h2 {
  margin: 0 0 12px;
  color: inherit;
  font-size: clamp(30px, 4vw, 48px);
  letter-spacing: -0.035em;
  line-height: 1.04;
}

.rd-platform-inventory-heading span,
.rd-platform-tier-section p {
  display: block;
  color: inherit;
  font-size: 17px;
  line-height: 1.65;
  opacity: 0.86;
}

.rd-platform-inventory-grid,
.rd-platform-catalog-grid,
.rd-platform-registry-grid {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}

.rd-platform-inventory-card,
.rd-platform-registry-grid a,
.rd-platform-catalog-grid article {
  display: grid;
  align-content: start;
  gap: 8px;
  min-height: 170px;
  padding: 22px;
  border: 1px solid rgba(255, 255, 255, 0.24);
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.1);
  color: inherit;
  text-decoration: none;
  backdrop-filter: blur(8px);
}

.rd-platform-inventory-card:hover,
.rd-platform-inventory-card:focus-visible {
  border-color: var(--rd-pi-gold);
  background: rgba(255, 255, 255, 0.16);
  color: #fff;
  transform: translateY(-2px);
}

.rd-platform-inventory-card small {
  color: var(--rd-pi-gold);
  font-size: 11px;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.rd-platform-inventory-card strong,
.rd-platform-registry-grid strong,
.rd-platform-catalog-grid strong {
  font-size: 20px;
  line-height: 1.2;
}

.rd-platform-inventory-card span,
.rd-platform-registry-grid span,
.rd-platform-catalog-grid p {
  color: inherit;
  line-height: 1.55;
  opacity: 0.82;
}

.rd-platform-inventory-card b,
.rd-platform-catalog-grid b {
  margin-top: auto;
  color: var(--rd-pi-gold);
}

.rd-platform-tier-section {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(320px, 1.1fr);
  gap: 36px;
  background: var(--rd-pi-paper);
}

.rd-platform-tier-section h2,
.rd-platform-catalog h2,
.rd-platform-registry h2,
.rd-platform-workflow h2 {
  color: var(--rd-pi-navy);
}

.rd-platform-tier-section ul {
  display: grid;
  gap: 10px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.rd-platform-tier-section li {
  padding: 14px 16px;
  border-left: 4px solid var(--rd-pi-gold);
  background: #fff;
  color: var(--rd-pi-navy);
  font-weight: 750;
}

.rd-platform-catalog-grid article,
.rd-platform-registry-grid a {
  border-color: var(--rd-pi-line);
  background: var(--rd-pi-wash);
  color: var(--rd-pi-ink);
}

.rd-platform-empty {
  margin: 0;
  padding: 20px;
  border-left: 4px solid var(--rd-pi-gold);
  background: var(--rd-pi-wash);
  color: var(--rd-pi-muted);
  font-weight: 650;
}

.rd-platform-form {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
}

.rd-platform-form label {
  display: grid;
  gap: 7px;
  color: var(--rd-pi-navy);
  font-weight: 750;
}

.rd-platform-form .is-wide {
  grid-column: 1 / -1;
}

.rd-platform-form input:not([type='checkbox']),
.rd-platform-form select,
.rd-platform-form textarea {
  width: 100%;
  min-height: 48px;
  padding: 11px 13px;
  border: 1px solid var(--rd-pi-line);
  border-radius: 7px;
  background: var(--rd-pi-wash);
  color: var(--rd-pi-ink);
  font: inherit;
}

.rd-platform-form textarea {
  min-height: 130px;
  resize: vertical;
}

.rd-platform-form input:focus,
.rd-platform-form select:focus,
.rd-platform-form textarea:focus {
  border-color: var(--rd-pi-blue);
  outline: 3px solid rgba(29, 90, 120, 0.16);
}

.rd-platform-form-actions button {
  min-height: 50px;
  padding: 13px 22px;
  border: 0;
  border-radius: 7px;
  background: var(--rd-pi-gold);
  color: #172f3c;
  cursor: pointer;
  font-size: 16px;
  font-weight: 850;
}

.rd-platform-form-actions button:disabled {
  cursor: wait;
  opacity: 0.65;
}

.rd-platform-form-actions p {
  min-height: 24px;
  color: var(--rd-pi-muted);
  font-weight: 650;
}

@media (max-width: 840px) {
  .rd-platform-inventory-grid,
  .rd-platform-catalog-grid,
  .rd-platform-registry-grid,
  .rd-platform-tier-section {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 620px) {
  .rd-platform-inventory,
  .rd-platform-tier-section,
  .rd-platform-catalog,
  .rd-platform-registry,
  .rd-platform-workflow {
    padding: 24px 18px;
    border-radius: 12px;
  }

  .rd-platform-inventory-grid,
  .rd-platform-catalog-grid,
  .rd-platform-registry-grid,
  .rd-platform-tier-section,
  .rd-platform-form {
    grid-template-columns: 1fr;
  }

  .rd-platform-form .is-wide {
    grid-column: auto;
  }
}