/* Platform presentation. Preserve the shared hero, artwork, navigation, and brand.
   All additions are page-scoped so neighboring pages keep their approved layout. */

.page--platform .hero-panel__copy .lead {
  margin: 0;
}

.page--platform .hero-panel__copy .lead + .lead {
  margin-top: 1rem;
}

.page--platform .platform-panel {
  --platform-inset: clamp(1.5rem, 3vw, 2.8rem);
  overflow: hidden;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius-lg);
  background: linear-gradient(135deg, rgba(255, 255, 255, 0.78), rgba(250, 247, 240, 0.6));
}

.page--platform .platform-panel h2 {
  margin: 0;
  font-family: "Newsreader", serif;
  font-size: clamp(2rem, 2.8vw, 2.6rem);
  font-weight: 500;
  line-height: 1.08;
  letter-spacing: -0.015em;
  text-wrap: balance;
}

.page--platform .platform-panel h3 {
  margin: 0 0 0.65rem;
  font-size: 1.03rem;
  font-weight: 700;
  line-height: 1.4;
}

.page--platform .platform-panel p {
  margin: 0;
  color: rgba(17, 20, 23, 0.76);
  font-size: 0.96rem;
  line-height: 1.75;
}

.page--platform .platform-panel .platform-eyebrow {
  margin-bottom: 0.8rem;
  color: var(--mineral);
  font-size: 0.69rem;
  font-weight: 800;
  letter-spacing: 0.13em;
  line-height: 1.5;
  text-transform: uppercase;
}

.page--platform .platform-prose > h2 + p {
  margin-top: 1.3rem;
}

.page--platform .platform-prose > p + p {
  margin-top: 1rem;
}

.page--platform .platform-intro {
  padding: var(--platform-inset);
}

.page--platform .platform-intro h2 {
  font-size: clamp(2.2rem, 3.1vw, 3rem);
}

.page--platform .platform-intro__body {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: clamp(2rem, 4vw, 4rem);
  margin-top: 1.7rem;
}

.page--platform .platform-intro .platform-intro__lead {
  color: #173f44;
  font-family: "Newsreader", serif;
  font-size: 1.5rem;
  line-height: 1.4;
}

.page--platform .platform-intro__example {
  display: grid;
  grid-template-columns: minmax(0, 0.62fr) minmax(0, 1.38fr);
  gap: clamp(1.5rem, 3vw, 3rem);
  margin-top: 1.6rem;
  padding: 1.3rem 0;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.page--platform .platform-intro__example h3 {
  margin: 0;
  color: #173f44;
  font-family: "Newsreader", serif;
  font-size: 1.35rem;
  font-weight: 500;
  line-height: 1.25;
}

.page--platform .platform-intro__example p {
  font-size: 0.93rem;
  line-height: 1.68;
}

.page--platform .platform-intro .platform-intro__status {
  margin-top: 1.6rem;
  padding-top: 0;
  border-top: 0;
  color: #275258;
  font-size: 0.88rem;
}

.page--platform .platform-section-head {
  display: grid;
  grid-template-columns: minmax(0, 0.84fr) minmax(0, 1.5fr);
  gap: clamp(2rem, 4vw, 4rem);
  padding: var(--platform-inset);
}

.page--platform .platform-capabilities__grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  margin: 0 var(--platform-inset);
  border-top: 1px solid var(--line-strong);
}

.page--platform .platform-capabilities__grid article {
  display: grid;
  grid-template-columns: 1.6rem minmax(0, 1fr);
  column-gap: 1rem;
  align-content: start;
  padding: 1.65rem 2rem;
  border-left: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.page--platform .platform-capabilities__grid article:nth-child(odd) {
  padding-left: 0;
  border-left: 0;
}

.page--platform .platform-capabilities__grid article:nth-child(even) {
  padding-right: 0;
}

.page--platform .platform-capabilities__grid article:nth-last-child(-n + 2) {
  border-bottom: 0;
}

.page--platform .platform-capabilities__grid .platform-number {
  grid-row: 1 / 3;
  padding-top: 0.25rem;
}

.page--platform .platform-capabilities__grid p {
  grid-column: 2;
  font-size: 0.93rem;
}

.page--platform .platform-number {
  display: block;
  color: var(--mineral);
  font-size: 0.7rem;
  font-weight: 800;
  letter-spacing: 0.1em;
}

.page--platform .platform-stability {
  display: grid;
  grid-template-columns: minmax(0, 1.16fr) minmax(0, 1fr);
  gap: clamp(2rem, 4vw, 4rem);
  padding: var(--platform-inset);
  background: linear-gradient(130deg, #10282e, #1c454b);
}

.page--platform .platform-stability h2,
.page--platform .platform-stability h3 {
  color: #faf5ec;
}

.page--platform .platform-stability p {
  color: rgba(250, 247, 240, 0.84);
}

.page--platform .platform-stability .platform-eyebrow {
  color: #a2c6c2;
}

.page--platform .platform-observations {
  align-self: center;
  padding-left: clamp(1.5rem, 3vw, 2.8rem);
  border-left: 1px solid rgba(194, 220, 214, 0.2);
}

.page--platform .platform-observations article + article {
  margin-top: 1.4rem;
  padding-top: 1.4rem;
  border-top: 1px solid rgba(194, 220, 214, 0.2);
}

.page--platform .platform-observations p {
  font-size: 0.92rem;
}

.page--platform .platform-integration__intro {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1.08fr);
}

.page--platform .platform-integration__copy {
  padding: var(--platform-inset);
}

.page--platform .platform-integration__figure {
  display: flex;
  flex-direction: column;
  justify-content: center;
  margin: 0;
  padding: clamp(1.5rem, 2.6vw, 2.5rem);
  border-left: 1px solid var(--line);
  background: #f2ede4;
}

.page--platform .platform-integration__figure img {
  display: block;
  width: 100%;
  height: auto;
}

.page--platform .platform-integration__figure figcaption {
  margin-top: 1.5rem;
  padding-top: 1.3rem;
  border-top: 1px solid var(--line-strong);
}

.page--platform .platform-integration__figure h3 {
  color: #173f44;
}

.page--platform .platform-integration__figure p {
  font-size: 0.9rem;
}

.page--platform .platform-links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.9rem 1.6rem;
  margin-top: 1.5rem;
}

.page--platform .platform-text-link {
  display: inline-flex;
  align-items: baseline;
  gap: 0.7rem;
  color: #165660;
  font-size: 0.88rem;
  font-weight: 700;
  line-height: 1.6;
  text-decoration: underline;
  text-decoration-color: rgba(22, 86, 96, 0.3);
  text-underline-offset: 0.3em;
}

.page--platform .platform-text-link:hover {
  text-decoration-color: currentColor;
}

.page--platform .platform-panel a:focus-visible {
  outline: 2px solid var(--mineral);
  outline-offset: 5px;
  border-radius: 2px;
}

.page--platform .platform-depth,
.page--platform .platform-applications__grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  margin: 0 var(--platform-inset);
  border-top: 1px solid var(--line-strong);
}

.page--platform .platform-depth article,
.page--platform .platform-applications__grid article {
  padding: 1.6rem 1.5rem;
  border-left: 1px solid var(--line);
}

.page--platform .platform-depth article:first-child,
.page--platform .platform-applications__grid article:nth-child(3n + 1) {
  padding-left: 0;
  border-left: 0;
}

.page--platform .platform-depth article:last-child,
.page--platform .platform-applications__grid article:nth-child(3n) {
  padding-right: 0;
}

.page--platform .platform-depth .platform-number {
  margin-bottom: 0.8rem;
}

.page--platform .platform-depth h3 {
  font-size: 0.97rem;
}

.page--platform .platform-depth p,
.page--platform .platform-applications__grid p {
  font-size: 0.91rem;
}

.page--platform .platform-applications {
  background: linear-gradient(120deg, rgba(230, 237, 232, 0.8), rgba(252, 249, 242, 0.82));
}

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

.page--platform .platform-applications__grid article:nth-child(n + 4) {
  border-top: 1px solid var(--line);
}

.page--platform .band-cta {
  margin-top: 0;
}

.page--platform .band-cta__grid {
  gap: 2rem;
  padding: 2rem clamp(1.5rem, 3vw, 2.8rem);
}

.page--platform .band-cta__copy {
  gap: 0.65rem;
}

.page--platform .band-cta__copy h2 {
  margin: 0;
  font-family: "Newsreader", serif;
  font-size: clamp(1.85rem, 2.5vw, 2.4rem);
  font-weight: 500;
  line-height: 1.12;
}

.page--platform .band-cta__copy p {
  max-width: 54rem;
  font-size: 0.96rem;
  line-height: 1.75;
}

@media (max-width: 1080px) {
  .page--platform .hero-panel__art {
    min-height: 0;
    aspect-ratio: 1672 / 941;
  }

  .page--platform .hero-panel__art::before {
    inset: 0 0 auto;
    width: 100%;
    height: 2.5rem;
    background: linear-gradient(180deg, rgba(17, 34, 39, 0.7), transparent);
  }

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

  .page--platform .platform-depth article:nth-child(odd) {
    padding-left: 0;
    border-left: 0;
  }

  .page--platform .platform-depth article:nth-child(even) {
    padding-right: 0;
  }

  .page--platform .platform-depth article:nth-child(n + 3) {
    border-top: 1px solid var(--line);
  }
}

@media (max-width: 760px) {
  .page--platform .hero-panel__art {
    padding: 0;
    border-top: 0;
  }

  .page--platform .platform-panel h2 {
    font-size: clamp(1.9rem, 5.8vw, 2.35rem);
  }

  .page--platform .platform-intro__body,
  .page--platform .platform-intro__example,
  .page--platform .platform-section-head,
  .page--platform .platform-capabilities__grid,
  .page--platform .platform-stability,
  .page--platform .platform-integration__intro {
    grid-template-columns: 1fr;
    gap: 1.7rem;
  }

  .page--platform .platform-capabilities__grid,
  .page--platform .platform-integration__intro {
    gap: 0;
  }

  .page--platform .platform-capabilities__grid article,
  .page--platform .platform-capabilities__grid article:nth-child(odd),
  .page--platform .platform-capabilities__grid article:nth-child(even) {
    padding: 1.4rem 0;
    border-left: 0;
    border-bottom: 1px solid var(--line);
  }

  .page--platform .platform-capabilities__grid article:last-child {
    border-bottom: 0;
  }

  .page--platform .platform-observations {
    padding: 1.5rem 0 0;
    border-left: 0;
    border-top: 1px solid rgba(194, 220, 214, 0.2);
  }

  .page--platform .platform-integration__figure {
    border-left: 0;
    border-top: 1px solid var(--line);
  }

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

  .page--platform .platform-applications__grid article,
  .page--platform .platform-applications__grid article:nth-child(3n + 1),
  .page--platform .platform-applications__grid article:nth-child(3n) {
    padding: 1.4rem;
    border-left: 1px solid var(--line);
  }

  .page--platform .platform-applications__grid article:nth-child(odd) {
    padding-left: 0;
    border-left: 0;
  }

  .page--platform .platform-applications__grid article:nth-child(even) {
    padding-right: 0;
  }

  .page--platform .platform-applications__grid article:nth-child(n + 3) {
    border-top: 1px solid var(--line);
  }

  .page--platform .band-cta__grid {
    grid-template-columns: 1fr;
    justify-items: start;
    gap: 1.3rem;
    padding: 1.8rem 1.5rem;
  }
}

@media (max-width: 480px) {
  .page--platform .platform-depth,
  .page--platform .platform-applications__grid {
    grid-template-columns: 1fr;
  }

  .page--platform .platform-depth article,
  .page--platform .platform-applications__grid article,
  .page--platform .platform-applications__grid article:nth-child(3n + 1),
  .page--platform .platform-applications__grid article:nth-child(3n) {
    padding: 1.25rem 0;
    border-left: 0;
    border-top: 1px solid var(--line);
  }

  .page--platform .platform-depth article:first-child,
  .page--platform .platform-applications__grid article:first-child {
    border-top: 0;
  }
}