.platform-header {
  border-bottom: 1px solid var(--line);
}

.platform-header__inner {
  width: min(74.5rem, calc(100% - 3rem));
  min-height: 5.4rem;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
}

.platform-logo {
  display: inline-flex;
  align-items: center;
  flex: 0 1 auto;
  min-width: 0;
  gap: .68rem;
  color: var(--green-dark);
  text-decoration: none;
}

.platform-logo img {
  display: block;
  flex: 0 0 auto;
  width: 2.45rem;
  height: 2.45rem;
}

.platform-logo span {
  color: var(--green-dark);
  font-size: clamp(.98rem, 1.7vw, 1.22rem);
  font-weight: 900;
  letter-spacing: .11em;
  line-height: 1;
  text-transform: uppercase;
  white-space: nowrap;
}

.platform-nav {
  display: flex;
  align-items: center;
  gap: .4rem;
}

.platform-nav a,
.platform-mobile-nav nav a {
  border-radius: .6rem;
  color: var(--ink);
  font-size: .9rem;
  font-weight: 750;
  text-decoration: none;
}

.platform-nav a { padding: .6rem .85rem; }
.platform-nav a:hover,
.platform-nav a[aria-current="page"],
.platform-mobile-nav nav a[aria-current="page"] { color: var(--green-dark); background: var(--sage); }

.platform-mobile-nav { display: none; position: relative; }
.platform-mobile-nav summary { cursor: pointer; padding: .58rem .8rem; border: 1px solid var(--green); border-radius: .6rem; color: var(--green-dark); font-weight: 800; list-style: none; }
.platform-mobile-nav summary::-webkit-details-marker { display: none; }
.platform-mobile-nav[open] summary { color: #fff; background: var(--green-dark); }
.platform-mobile-nav nav { position: absolute; right: 0; top: calc(100% + .55rem); z-index: 40; width: min(17rem, calc(100vw - 2rem)); padding: .6rem; border: 1px solid var(--line); border-radius: 1rem; background: #fff; box-shadow: var(--shadow); }
.platform-mobile-nav nav a { display: block; padding: .72rem .8rem; }

.platform-breadcrumbs {
  width: min(74.5rem, calc(100% - 3rem));
  margin: 1.2rem auto 0;
}

.platform-breadcrumbs ol { display: flex; flex-wrap: wrap; gap: .45rem; margin: 0; padding: 0; list-style: none; color: var(--muted); font-size: .82rem; }
.platform-breadcrumbs li + li::before { content: "/"; margin-right: .45rem; color: #8d9995; }

.hero h1 { margin-bottom: .8rem; }
.hero-subtitle {
  max-width: 820px;
  margin: 0 0 1.2rem;
  color: var(--green-dark);
  font-family: Georgia, serif;
  font-size: clamp(1.45rem, 3.2vw, 2.25rem);
  line-height: 1.15;
}

body > .platform-footer {
  display: block;
  margin-top: 2rem;
  padding: clamp(3rem, 7vw, 5rem) max(1.5rem, calc((100vw - 74.5rem) / 2));
  color: #fff;
  background: var(--green-dark);
  font-size: 1rem;
}

.platform-footer__inner { width: 100%; }
.platform-footer__brand > a { display: inline-flex; width: min(19rem, 100%); text-decoration: none; }
.platform-footer__brand img { display: block; width: 100%; }
.platform-footer__brand p { max-width: none; margin: .75rem 0 0; color: #cddbd6; }
.platform-footer__nav { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 2rem; margin: 3rem 0; }
.platform-footer__nav h2 { margin: 0 0 .8rem; color: #a9c0b8; font-family: inherit; font-size: .7rem; letter-spacing: .12em; text-transform: uppercase; }
.platform-footer__nav a { display: block; width: fit-content; margin: .42rem 0; color: #fff; }
.platform-footer__notice { max-width: 52rem; color: #cddbd6; font-size: .82rem; }
.platform-footer__bottom { display: flex; justify-content: space-between; gap: 1rem; padding-top: 1.2rem; border-top: 1px solid rgba(255,255,255,.22); color: #cddbd6; font-size: .78rem; }
.platform-footer__bottom p { max-width: none; margin: 0; }

@media (max-width: 54rem) {
  .platform-nav { display: none; }
  .platform-mobile-nav { display: block; }
}

@media (max-width: 38rem) {
  .platform-header__inner,
  .platform-breadcrumbs { width: min(100% - 1.4rem, 74.5rem); }
  .platform-header__inner { min-height: 4.7rem; gap: .75rem; }
  .platform-logo { gap: .48rem; }
  .platform-logo img { width: 2.05rem; height: 2.05rem; }
  .platform-logo span { font-size: .82rem; letter-spacing: .075em; }
  .platform-footer__nav { grid-template-columns: 1fr; }
  .platform-footer__bottom { flex-direction: column; }
}

@media print {
  .platform-header,
  .platform-breadcrumbs,
  body > .platform-footer { display: none !important; }
}