/* Core IRIE platform pages: quieter first screens, explicit scope, process and boundaries. */

.platform-page-hero {
  padding-top: clamp(54px, 6vw, 78px);
  padding-bottom: clamp(64px, 7vw, 96px);
}

.platform-page-hero .breadcrumb {
  margin-bottom: clamp(44px, 5vw, 68px);
}

.platform-content {
  padding-block: clamp(84px, 8vw, 126px);
}

.platform-content-muted {
  background: var(--color-bg-light);
}

.platform-narrow {
  width: min(calc(100% - 40px), 1040px);
}

.platform-statement {
  display: grid;
  grid-template-columns: minmax(240px, .85fr) minmax(420px, 1.15fr);
  gap: clamp(48px, 8vw, 112px);
  align-items: start;
  margin-bottom: clamp(72px, 8vw, 112px);
}

.platform-statement .eyebrow {
  grid-column: 1 / -1;
  margin-bottom: -20px;
}

.platform-statement h2 {
  font-size: clamp(2rem, 3.1vw, 3.15rem);
  line-height: 1.55;
}

.platform-statement > p:last-child {
  color: var(--color-text-soft);
  line-height: 2.15;
}

.platform-section-heading {
  margin-bottom: clamp(52px, 6vw, 82px);
  text-align: center;
}

.platform-pillar-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  border-top: 1px solid var(--color-line);
  border-left: 1px solid var(--color-line);
}

.platform-pillar-grid article {
  min-height: 238px;
  padding: clamp(30px, 4vw, 48px);
  border-right: 1px solid var(--color-line);
  border-bottom: 1px solid var(--color-line);
}

.platform-pillar-grid h3 {
  margin-bottom: 20px;
}

.platform-pillar-grid p,
.platform-definition-list p,
.platform-service-list p {
  color: var(--color-text-soft);
  font-size: .92rem;
}

.platform-process {
  border-top: 1px solid var(--color-line);
}

.platform-process li {
  display: grid;
  grid-template-columns: 72px minmax(0, 1fr);
  gap: 28px;
  padding: 28px 0;
  border-bottom: 1px solid var(--color-line);
}

.platform-process li > span,
.platform-contact-options article > span,
.platform-fields > div > span {
  color: var(--color-accent);
  font-family: Georgia, serif;
  font-size: .75rem;
  letter-spacing: .14em;
}

.platform-process h3 {
  margin-bottom: 8px;
  font-size: 1.2rem;
}

.platform-process p {
  color: var(--color-text-soft);
}

.platform-note {
  display: grid;
  grid-template-columns: minmax(160px, .5fr) minmax(0, 1.5fr);
  gap: clamp(28px, 6vw, 80px);
  margin-top: 56px;
  padding: 30px 0;
  border-top: 1px solid var(--color-accent-soft);
  border-bottom: 1px solid var(--color-line);
}

.platform-note strong {
  font-family: var(--serif);
  font-size: 1.05rem;
  font-weight: 400;
}

.platform-note p {
  color: var(--color-text-soft);
  font-size: .88rem;
}

.platform-related {
  padding-block: clamp(72px, 7vw, 104px);
  background: var(--color-bg);
}

.platform-link-list {
  border-top: 1px solid var(--color-line);
}

.platform-link-list a {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 30px;
  align-items: center;
  padding: 22px 4px;
  border-bottom: 1px solid var(--color-line);
}

.platform-link-list span {
  display: flex;
  align-items: baseline;
  gap: clamp(18px, 4vw, 54px);
  font-family: var(--serif);
  font-size: clamp(1.05rem, 1.5vw, 1.3rem);
}

.platform-link-list small,
.audience-entry-list small {
  min-width: 160px;
  color: var(--color-accent);
  font-family: Georgia, serif;
  font-size: .66rem;
  letter-spacing: .16em;
  text-transform: uppercase;
}

.platform-link-list b,
.platform-service-list b,
.audience-entry-list b {
  font-weight: 400;
  transition: transform 190ms ease-out;
}

.platform-link-list a:hover b,
.platform-link-list a:focus-visible b,
.platform-service-list a:hover b,
.platform-service-list a:focus-visible b,
.audience-entry-list a:hover b,
.audience-entry-list a:focus-visible b {
  transform: translateX(3px);
}

.platform-definition-list {
  border-top: 1px solid var(--color-line);
}

.platform-definition-list > div {
  display: grid;
  grid-template-columns: minmax(200px, .7fr) minmax(0, 1.3fr);
  gap: clamp(30px, 6vw, 84px);
  padding-block: 28px;
  border-bottom: 1px solid var(--color-line);
}

.platform-fields > div {
  grid-template-columns: 54px minmax(180px, .65fr) minmax(0, 1.35fr);
}

.platform-mission {
  margin-top: 84px;
  padding: clamp(44px, 6vw, 74px);
  border-top: 1px solid var(--color-accent);
  border-bottom: 1px solid var(--color-line);
  text-align: center;
}

.platform-mission span {
  color: var(--color-accent);
  font-family: Georgia, serif;
  font-size: .7rem;
  letter-spacing: .18em;
  text-transform: uppercase;
}

.platform-mission p {
  margin-top: 24px;
  color: var(--color-text-strong);
  font-family: var(--serif);
  font-size: clamp(1.7rem, 3vw, 2.8rem);
  line-height: 1.75;
}

.platform-service-list {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  border-top: 1px solid var(--color-line);
  border-left: 1px solid var(--color-line);
}

.platform-service-list a {
  display: grid;
  min-height: 330px;
  grid-template-rows: auto auto 1fr auto;
  padding: clamp(28px, 3vw, 42px);
  border-right: 1px solid var(--color-line);
  border-bottom: 1px solid var(--color-line);
}

.platform-service-list h3 {
  margin: 20px 0;
}

.platform-service-list b {
  justify-self: end;
  margin-top: 28px;
}

.platform-contact-options {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  border-top: 1px solid var(--color-line);
  border-left: 1px solid var(--color-line);
}

.platform-contact-options article {
  padding: clamp(28px, 4vw, 46px);
  border-right: 1px solid var(--color-line);
  border-bottom: 1px solid var(--color-line);
}

.platform-contact-options h3 {
  margin: 16px 0;
}

.platform-mail-contact {
  margin-top: clamp(64px, 7vw, 96px);
  padding: clamp(42px, 6vw, 70px);
  background: var(--color-bg-light);
  text-align: center;
}

.platform-mail-contact > a {
  display: inline-block;
  margin: 8px 0 24px;
  border-bottom: 1px solid currentColor;
  font-family: Georgia, serif;
  font-size: clamp(1.25rem, 2.5vw, 2rem);
  letter-spacing: .04em;
}

.platform-site-map {
  align-items: start;
}

.platform-contact-cta h2 {
  line-height: 1.7;
}

.audience-entry-list {
  width: min(100%, 1080px);
  margin: clamp(58px, 6vw, 86px) auto 0;
  border-top: 1px solid var(--color-line);
}

.audience-entry-list a {
  display: grid;
  grid-template-columns: 50px minmax(0, 1fr) auto;
  gap: clamp(20px, 4vw, 52px);
  align-items: center;
  padding: clamp(24px, 3vw, 36px) 4px;
  border-bottom: 1px solid var(--color-line);
}

.audience-entry-list > a > span {
  color: var(--color-accent);
  font-family: Georgia, serif;
  font-size: .72rem;
  letter-spacing: .14em;
}

.audience-entry-list strong {
  display: block;
  margin: 6px 0 8px;
  font-family: var(--serif);
  font-size: clamp(1.25rem, 2vw, 1.7rem);
  font-weight: 400;
}

.audience-entry-list p {
  color: var(--color-text-soft);
  font-size: .88rem;
}

@media (max-width: 760px) {
  .platform-page-hero {
    padding-block: 44px 64px;
  }

  .platform-page-hero .breadcrumb {
    margin-bottom: 42px;
  }

  .platform-statement,
  .platform-note {
    grid-template-columns: 1fr;
    gap: 24px;
  }

  .platform-statement .eyebrow {
    margin-bottom: 0;
  }

  .platform-pillar-grid,
  .platform-service-list,
  .platform-contact-options {
    grid-template-columns: 1fr;
  }

  .platform-pillar-grid article,
  .platform-service-list a {
    min-height: auto;
  }

  .platform-process li {
    grid-template-columns: 42px minmax(0, 1fr);
    gap: 18px;
  }

  .platform-link-list span {
    display: block;
  }

  .platform-link-list small {
    display: block;
    min-width: 0;
    margin-bottom: 8px;
  }

  .platform-definition-list > div,
  .platform-fields > div {
    grid-template-columns: 1fr;
    gap: 10px;
  }

  .platform-fields > div {
    grid-template-columns: 34px 1fr;
  }

  .platform-fields > div p {
    grid-column: 2;
  }

  .audience-entry-list a {
    grid-template-columns: 32px minmax(0, 1fr) auto;
    gap: 14px;
  }

  .audience-entry-list small {
    min-width: 0;
  }

  .audience-entry-list p {
    display: none;
  }
}

@media (prefers-reduced-motion: reduce) {
  .platform-link-list b,
  .platform-service-list b,
  .audience-entry-list b {
    transition: none;
  }
}


/* Shared visual anchor for the core platform pages. */
.platform-lead-media {
  overflow: hidden;
  width: min(calc(100% - 40px), 1200px);
  aspect-ratio: 16 / 7;
  background: var(--color-bg-light);
}

.platform-lead-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

@media (max-width: 760px) {
  .platform-lead-media {
    width: min(calc(100% - 32px), 1200px);
    aspect-ratio: 4 / 3;
  }
}