.platform-hero {
  padding: 86px 0 92px;
  background:
    radial-gradient(
      circle at 84% 14%,
      rgba(117, 213, 189, 0.2),
      transparent 27%
    ),
    linear-gradient(180deg, #fff 0%, #f5f8f9 100%);
}

.platform-hero-copy {
  max-width: 980px;
  margin-bottom: 42px;
}

.platform-hero-copy h1 {
  max-width: 920px;
}

.platform-hero-copy > p:last-child {
  max-width: 820px;
  margin-bottom: 0;
  color: var(--muted);
  font-size: 19px;
}

.platform-architecture {
  width: 100%;
  max-width: 1050px;
  margin: 0 auto;
}

.platform-architecture-button {
  display: block;
  width: 100%;
  padding: 8px;
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.86);
  border-radius: 30px;
  background: rgba(255, 255, 255, 0.82);
  box-shadow: var(--shadow);
  cursor: zoom-in;
}

.platform-architecture-button img {
  display: block;
  width: 100%;
  height: auto;
  border-radius: 22px;
}

.platform-architecture figcaption {
  margin-top: 12px;
  color: var(--muted);
  font-size: 13px;
  text-align: right;
}

.platform-integration,
.platform-open {
  background: var(--soft);
}

.platform-grid {
  display: grid;
  gap: 22px;
}

.platform-grid-four {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.platform-grid-three {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.platform-card {
  min-width: 0;
  padding: 28px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #fff;
  box-shadow: 0 14px 40px rgba(15, 23, 42, 0.05);
}

.platform-card h3 {
  font-size: 21px;
}

.platform-card p {
  margin-bottom: 0;
  color: var(--muted);
  font-size: 15px;
}

.platform-card-index {
  display: inline-block;
  margin-bottom: 24px;
  color: var(--green-dark);
  font-size: 12px;
  font-weight: 900;
  letter-spacing: 0.12em;
}

.platform-card-label {
  display: inline-flex;
  margin-bottom: 25px;
  padding: 7px 10px;
  border-radius: 999px;
  color: var(--green-dark);
  background: var(--soft-green);
  font-size: 11px;
  font-weight: 900;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.platform-card-featured {
  color: #fff;
  border-color: transparent;
  background: linear-gradient(145deg, var(--green), #0b5360 62%, var(--navy));
}

.platform-card-featured p {
  color: rgba(255, 255, 255, 0.78);
}

.platform-card-featured .platform-card-label {
  color: #fff;
  background: rgba(255, 255, 255, 0.14);
}

.security-panel {
  display: grid;
  grid-template-columns: 0.75fr 1.25fr;
  gap: 34px;
  align-items: start;
  margin-top: 28px;
  padding: 30px;
  border: 1px solid #d5e6e1;
  border-radius: var(--radius);
  background: var(--soft-green);
}

.security-panel h3 {
  margin-bottom: 0;
  font-size: 27px;
}

.security-list {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 11px;
}

.security-list span {
  position: relative;
  padding: 12px 14px 12px 36px;
  border: 1px solid rgba(21, 133, 109, 0.13);
  border-radius: 13px;
  background: rgba(255, 255, 255, 0.76);
  color: var(--ink);
  font-size: 13px;
  font-weight: 750;
}

.security-list span::before {
  content: "✓";
  position: absolute;
  top: 12px;
  left: 14px;
  color: var(--green-dark);
  font-weight: 900;
}

.platform-operations {
  background: #fff;
}

.platform-split {
  display: grid;
  grid-template-columns: 0.82fr 1.18fr;
  gap: 72px;
  align-items: start;
}

.platform-sticky-intro {
  position: sticky;
  top: 118px;
}

.platform-sticky-intro > p:last-child {
  color: var(--muted);
  font-size: 17px;
}

.operation-stack {
  display: grid;
  gap: 16px;
}

.operation-row {
  display: grid;
  grid-template-columns: 44px 1fr;
  gap: 18px;
  padding: 25px 26px;
  border: 1px solid var(--line);
  border-radius: 19px;
  background: #fff;
  box-shadow: 0 10px 30px rgba(15, 23, 42, 0.04);
}

.operation-number {
  display: grid;
  place-items: center;
  width: 40px;
  height: 40px;
  border-radius: 12px;
  color: var(--green-dark);
  background: var(--soft-green);
  font-size: 11px;
  font-weight: 900;
}

.operation-row h3 {
  margin-bottom: 8px;
  font-size: 20px;
}

.operation-row p {
  margin-bottom: 0;
  color: var(--muted);
  font-size: 15px;
}

.standards-panel {
  margin-top: 28px;
  padding: 25px 28px;
  border-radius: 19px;
  color: #fff;
  background: var(--navy);
}

.standards-panel strong {
  display: block;
  margin-bottom: 15px;
  font-size: 16px;
}

.standards-list {
  display: flex;
  flex-wrap: wrap;
  gap: 9px;
}

.standards-list span {
  padding: 7px 10px;
  border: 1px solid rgba(255, 255, 255, 0.17);
  border-radius: 999px;
  color: #d8e2ec;
  font-size: 12px;
  font-weight: 750;
}

.platform-cta .cta-box {
  align-items: flex-end;
}

.platform-cta .cta-box p:not(.eyebrow) {
  max-width: 760px;
  margin: 16px 0 0;
  color: rgba(255, 255, 255, 0.76);
}

.platform-cta .button {
  flex: 0 0 auto;
}

.platform-cta {
  padding: 48px 0;
}

.platform-interfaces {
  background: #fff;
}

.platform-interfaces .platform-grid-four {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.platform-interfaces .platform-card-featured .platform-card-index {
  color: rgba(255, 255, 255, 0.82);
}

.interface-capabilities {
  margin-top: 28px;
  padding: 25px 28px;
  border: 1px solid #d5e6e1;
  border-radius: 19px;
  background: var(--soft-green);
}

.interface-capabilities strong {
  display: block;
  margin-bottom: 14px;
  font-size: 16px;
}

.interface-capabilities > div {
  display: flex;
  flex-wrap: wrap;
  gap: 9px;
}

.interface-capabilities span {
  padding: 7px 10px;
  border: 1px solid rgba(21, 133, 109, 0.14);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.8);
  color: var(--green-dark);
  font-size: 12px;
  font-weight: 750;
}

@media (max-width: 1040px) {
  .platform-grid-four {
    grid-template-columns: 1fr 1fr;
  }

  .platform-grid-three {
    grid-template-columns: 1fr;
  }

  .platform-split {
    grid-template-columns: 1fr;
    gap: 38px;
  }

  .platform-sticky-intro {
    position: static;
  }
}

@media (max-width: 760px) {
  .interface-capabilities {
    padding: 22px;
  }

  .platform-hero {
    padding: 62px 0 68px;
  }

  .platform-hero-copy {
    margin-bottom: 30px;
  }

  .platform-hero-copy > p:last-child {
    font-size: 17px;
  }

  .platform-architecture-button {
    padding: 4px;
    border-radius: 18px;
  }

  .platform-architecture-button img {
    border-radius: 14px;
  }

  .platform-architecture figcaption {
    text-align: left;
  }

  .platform-grid-four,
  .security-panel,
  .security-list {
    grid-template-columns: 1fr;
  }

  .platform-card {
    padding: 24px;
  }

  .security-panel {
    gap: 24px;
    padding: 24px;
  }

  .operation-row {
    grid-template-columns: 38px 1fr;
    padding: 22px;
  }

  .operation-number {
    width: 36px;
    height: 36px;
  }

  .standards-panel {
    padding: 22px;
  }

  .platform-cta .cta-box {
    align-items: flex-start;
  }
}

@media (max-width: 480px) {
  .platform-hero-copy h1 {
    font-size: 39px;
  }

  .platform-card h3 {
    font-size: 20px;
  }

  .security-panel h3 {
    font-size: 24px;
  }
}