.platform-site {
  --platform-navy: #071e2d;
  --platform-blue: #087aa5;
  --platform-cyan: #22b7d6;
  --platform-mist: #eaf3f6;
  --platform-ink-soft: #46606e;
  background:
    radial-gradient(circle at 8% 12%, rgba(38, 183, 214, 0.11), transparent 26rem),
    linear-gradient(180deg, #f4f8f9 0%, #e8eff2 100%);
}

.platform-header {
  background: rgba(244, 248, 249, 0.9);
}

.platform-nav a[aria-current="page"] {
  color: var(--accent-text);
  font-weight: var(--fw-semibold);
}

.platform-page {
  display: grid;
  width: min(100% - 40px, 1240px);
  gap: clamp(4.5rem, 10vw, 8rem);
  margin: 0 auto;
  padding: clamp(2.5rem, 6vw, 5rem) 0 clamp(5rem, 10vw, 8rem);
}

.platform-hero {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(460px, 1.1fr);
  gap: clamp(2.5rem, 7vw, 6rem);
  align-items: center;
  min-height: min(680px, calc(100vh - 120px));
}

.platform-title-line {
  display: block;
}

.platform-hero-copy h1 {
  max-width: 20ch;
  margin: 0.8rem 0 1.4rem;
  color: var(--platform-navy);
  font-family: var(--font-display);
  font-size: var(--fs-display);
  font-weight: var(--fw-thin);
  line-height: 1.02;
  letter-spacing: -0.025em;
}

.platform-hero-copy .lede {
  max-width: 55ch;
  color: var(--platform-ink-soft);
}

.platform-deployment-list {
  display: flex;
  gap: 0.65rem;
  flex-wrap: wrap;
  margin: 2rem 0 0;
  padding: 0;
  list-style: none;
}

.platform-deployment-list li {
  border: 1px solid rgba(7, 30, 45, 0.16);
  border-radius: 999px;
  padding: 0.55rem 0.85rem;
  color: var(--platform-blue);
  background: rgba(255, 255, 255, 0.56);
  font-size: var(--fs-caption);
  font-weight: var(--fw-semibold);
}

.platform-system-figure {
  margin: 0;
}

.platform-system-map {
  position: relative;
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: clamp(28px, 5vw, 48px);
  padding: clamp(1.4rem, 4vw, 2.8rem);
  color: #fff;
  background:
    radial-gradient(circle at 20% 5%, rgba(34, 183, 214, 0.3), transparent 30%),
    radial-gradient(circle at 100% 100%, rgba(79, 80, 181, 0.35), transparent 40%),
    linear-gradient(145deg, #061824, #0a3048 58%, #17234d);
  box-shadow: 0 38px 85px rgba(5, 38, 57, 0.24);
}

.platform-system-node,
.platform-control-layer {
  border: 1px solid rgba(255, 255, 255, 0.17);
  border-radius: 22px;
  background: rgba(255, 255, 255, 0.075);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.08);
  backdrop-filter: blur(8px);
}

.platform-system-node {
  display: grid;
  gap: 0.32rem;
  padding: 1.1rem 1.25rem;
}

.platform-system-node span,
.platform-control-layer > p {
  margin: 0;
  color: #87e8fa;
  font-size: 0.72rem;
  font-weight: var(--fw-semibold);
  letter-spacing: 0.11em;
  text-transform: uppercase;
}

.platform-system-node strong {
  font-size: 1.3rem;
  font-weight: var(--fw-medium);
}

.platform-system-node small {
  color: rgba(255, 255, 255, 0.58);
}

.platform-system-source {
  width: min(100%, 310px);
}

.platform-system-connector {
  display: grid;
  height: 42px;
  place-items: center;
}

.platform-system-connector span {
  width: 1px;
  height: 100%;
  background: linear-gradient(#55d7f1, rgba(85, 215, 241, 0.2));
}

.platform-control-layer {
  padding: 1.3rem;
}

.platform-control-layer ol {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.7rem;
  margin: 1rem 0 0;
  padding: 0;
  list-style: none;
}

.platform-control-layer li {
  display: grid;
  gap: 0.25rem;
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 15px;
  padding: 0.8rem;
  background: rgba(255, 255, 255, 0.04);
}

.platform-control-layer li span {
  font-weight: var(--fw-semibold);
}

.platform-control-layer li small {
  color: rgba(255, 255, 255, 0.58);
  line-height: 1.35;
}

.platform-output-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.8rem;
}

.platform-system-answer {
  border-color: rgba(95, 224, 194, 0.35);
}

.platform-system-refusal {
  border-color: rgba(255, 196, 112, 0.32);
}

.platform-system-refusal span {
  color: #ffd18d;
}

.platform-system-figure figcaption {
  max-width: 58ch;
  margin: 1rem auto 0;
  color: var(--quieter);
  font-size: var(--fs-caption);
  line-height: 1.5;
  text-align: center;
}

.platform-section {
  display: grid;
  gap: clamp(2rem, 5vw, 4rem);
}

.platform-section-heading {
  max-width: 780px;
}

.platform-section-heading h2,
.platform-cta h2 {
  max-width: 24ch;
  margin: 0.7rem 0 1rem;
  color: var(--platform-navy);
  font-family: var(--font-display);
  font-size: var(--fs-h2);
  font-weight: var(--fw-thin);
  line-height: 1.04;
  letter-spacing: -0.025em;
}

.platform-section-heading > p:last-child,
.platform-cta > div > p:last-child {
  max-width: 64ch;
  margin-bottom: 0;
  color: var(--platform-ink-soft);
}

.platform-layer-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

.platform-layer-grid li,
.platform-outcome-grid article {
  min-height: 270px;
  border: 1px solid rgba(7, 30, 45, 0.1);
  border-radius: var(--radius-lg);
  padding: clamp(1.3rem, 2.6vw, 2rem);
  background: rgba(255, 255, 255, 0.66);
  box-shadow: var(--neu-raise-sm);
}

.platform-layer-grid li > span,
.platform-outcome-state {
  color: var(--platform-blue);
  font-size: var(--fs-caption);
  font-weight: var(--fw-semibold);
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.platform-layer-grid h3,
.platform-outcome-grid h3 {
  margin: 3.2rem 0 0.8rem;
  color: var(--platform-navy);
  font-size: var(--fs-title);
  font-weight: var(--fw-medium);
}

.platform-layer-grid p,
.platform-outcome-grid p {
  margin: 0;
  color: var(--platform-ink-soft);
  font-size: var(--fs-body-sm);
}

.platform-control-section {
  border-radius: clamp(28px, 5vw, 48px);
  padding: clamp(2rem, 6vw, 5rem);
  background: rgba(255, 255, 255, 0.54);
  box-shadow: var(--neu-raise-sm);
}

.platform-outcome-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1rem;
}

.platform-outcome-grid article {
  min-height: 290px;
  background: rgba(241, 247, 249, 0.92);
}

.platform-outcome-stop {
  color: #a05b14;
}

.platform-technical-link {
  width: fit-content;
  color: var(--accent-text);
  font-weight: var(--fw-semibold);
}

.platform-ownership {
  grid-template-columns: minmax(0, 0.72fr) minmax(420px, 1.28fr);
  align-items: start;
}

.platform-ownership-list {
  margin: 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid rgba(7, 30, 45, 0.16);
}

.platform-ownership-list li {
  display: grid;
  grid-template-columns: minmax(150px, 0.45fr) minmax(0, 1fr);
  gap: 1.4rem;
  border-bottom: 1px solid rgba(7, 30, 45, 0.14);
  padding: 1.2rem 0;
}

.platform-ownership-list strong {
  color: var(--platform-navy);
}

.platform-ownership-list span {
  color: var(--platform-ink-soft);
}

.platform-cta {
  display: flex;
  gap: 3rem;
  align-items: flex-end;
  justify-content: space-between;
  overflow: hidden;
  border-radius: clamp(28px, 5vw, 48px);
  padding: clamp(2rem, 6vw, 5rem);
  background:
    radial-gradient(circle at 95% 0%, rgba(34, 183, 214, 0.28), transparent 32%),
    linear-gradient(135deg, #eaf5f7, #dce9ef);
  box-shadow: var(--neu-raise-sm);
}

.platform-cta-actions {
  display: flex;
  gap: 0.8rem;
  flex: 0 0 auto;
  flex-direction: column;
}

.platform-footer {
  background: rgba(230, 239, 242, 0.9);
}

@media (max-width: 940px) {
  .platform-hero {
    grid-template-columns: 1fr;
    min-height: 0;
  }

  .platform-system-figure {
    width: min(100%, 680px);
    justify-self: center;
  }

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

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

@media (max-width: 660px) {
  .platform-header {
    display: grid;
  }

  .platform-nav {
    justify-content: flex-start;
    gap: 0.55rem 1rem;
    flex-wrap: wrap;
    overflow: visible;
  }

  .platform-page {
    width: min(100% - 28px, 1240px);
  }

  .platform-layer-grid,
  .platform-outcome-grid,
  .platform-output-grid,
  .platform-control-layer ol {
    grid-template-columns: 1fr;
  }

  .platform-layer-grid li,
  .platform-outcome-grid article {
    min-height: 0;
  }

  .platform-layer-grid h3,
  .platform-outcome-grid h3 {
    margin-top: 2rem;
  }

  .platform-control-section {
    padding: 1.4rem;
  }

  .platform-ownership-list li {
    grid-template-columns: 1fr;
    gap: 0.45rem;
  }

  .platform-cta {
    align-items: stretch;
    flex-direction: column;
  }

  .platform-cta-actions,
  .platform-cta-actions .button {
    width: 100%;
  }
}

@media (prefers-reduced-motion: reduce) {
  .platform-system-map {
    scroll-behavior: auto;
  }
}