:root {
  --ink: #11284e;
  --ink-deep: #07152f;
  --muted: #617187;
  --line: rgba(28, 63, 102, .19);
  --teal: #087d91;
  --copper: #b66b3c;
  --paper: #ffffff;
  --display: "Playfair Display", Georgia, serif;
  --text: "Manrope", Arial, sans-serif;
  --mono: "DM Mono", monospace;
}

* { box-sizing: border-box; }
html, body { min-width: 320px; min-height: 100%; margin: 0; }
html { scroll-behavior: smooth; background: var(--paper); }
body { color: var(--ink); font-family: var(--text); background: var(--paper); }
a { color: inherit; text-decoration: none; }
button { font: inherit; }

.page-shell { min-height: 100svh; overflow: hidden; background: var(--paper); }
.site-header {
  height: 78px; padding: 0 clamp(30px, 3.3vw, 70px); display: grid;
  grid-template-columns: 1fr auto 1fr; align-items: center; gap: 32px;
  border-bottom: 1px solid rgba(20, 53, 88, .08); background: rgba(255,255,255,.92);
}
.brand { display: inline-flex; align-items: center; gap: 12px; width: max-content; }
.brand img { width: 40px; height: 40px; object-fit: contain; }
.brand span { color: var(--ink-deep); font: 500 15px/1 var(--mono); letter-spacing: .31em; }
.top-nav { display: flex; align-items: center; gap: clamp(22px, 2.3vw, 42px); }
.top-nav a, .locale-button, .account-link {
  position: relative; color: #42566f; background: transparent; border: 0; cursor: pointer;
  font: 500 10px/1 var(--mono); letter-spacing: .12em; text-transform: uppercase;
}
.top-nav a::after, .account-link::after { content: ""; position: absolute; left: 0; right: 0; bottom: -8px; height: 1px; background: var(--copper); transform: scaleX(0); transition: transform .22s ease; }
.top-nav a:hover::after, .top-nav a:focus-visible::after, .account-link:hover::after, .account-link:focus-visible::after { transform: scaleX(1); }
.header-actions { display: flex; justify-content: end; align-items: center; gap: 24px; }
.locale-button { color: var(--teal); }
.account-link { color: var(--ink); }

.platform {
  min-height: calc(100svh - 78px); display: grid; grid-template-columns: minmax(220px, .74fr) minmax(590px, 1.7fr) minmax(270px, .82fr);
  align-items: center; gap: clamp(18px, 2vw, 44px); padding: clamp(18px, 2.1vh, 38px) clamp(28px, 3.3vw, 70px) clamp(16px, 2vh, 30px);
}
.platform-intro { max-width: 280px; align-self: center; }
.overline { margin: 0 0 25px; color: var(--teal); font: 500 10px/1 var(--mono); letter-spacing: .31em; }
h1 { margin: 0; color: var(--ink); font: 500 clamp(30px, 2.25vw, 49px)/1.13 var(--display); letter-spacing: -.045em; text-wrap: balance; }
.intro-copy { margin: 22px 0 0; color: #536174; font-size: clamp(12px, .76vw, 14px); line-height: 1.62; letter-spacing: -.01em; }
.outcomes { display: grid; gap: 14px; margin-top: 31px; padding-top: 21px; border-top: 1px solid var(--copper); }
.outcomes span { position: relative; padding-left: 17px; color: #254773; font: 500 clamp(9px, .58vw, 11px)/1.35 var(--mono); letter-spacing: .035em; text-transform: uppercase; }
.outcomes span::before { content: ""; position: absolute; left: 0; top: .5em; width: 5px; height: 5px; border: 1px solid var(--copper); border-radius: 50%; }

.architecture { min-width: 0; height: min(82svh, 850px); display: grid; place-items: center; }
.architecture img { width: min(100%, 890px); max-height: 100%; object-fit: contain; object-position: center; mix-blend-mode: multiply; }

.module-registry { max-width: 326px; min-width: 0; align-self: center; }
.registry-title { margin: 0 0 13px; color: var(--ink); font: 500 10px/1.2 var(--mono); letter-spacing: .15em; text-transform: uppercase; }
.module-registry ul { display: grid; margin: 0; padding: 0; list-style: none; }
.module-registry li { padding: 9px 0 10px; border-top: 1px solid var(--line); transition: padding-left .2s ease, border-color .2s ease; }
.module-registry li:last-child { border-bottom: 1px solid var(--line); }
.module-registry li:hover { padding-left: 10px; border-color: rgba(8,125,145,.48); }
.module-registry strong { display: block; color: #19375f; font: 500 clamp(10px, .64vw, 12px)/1.25 var(--mono); letter-spacing: .035em; text-transform: uppercase; }
.module-registry span { display: block; margin-top: 4px; color: #728096; font-size: clamp(9px, .58vw, 10.7px); line-height: 1.34; }

@media (max-height: 820px) and (min-width: 1101px) {
  .site-header { height: 62px; }
  .brand img { width: 34px; height: 34px; }
  .platform { min-height: calc(100svh - 62px); padding-top: 12px; padding-bottom: 10px; }
  .overline { margin-bottom: 17px; }
  h1 { font-size: clamp(27px, 2vw, 38px); }
  .intro-copy { margin-top: 15px; line-height: 1.48; }
  .outcomes { margin-top: 18px; gap: 9px; padding-top: 15px; }
  .architecture { height: min(84svh, 690px); }
  .module-registry li { padding: 5px 0 6px; }
  .module-registry span { margin-top: 2px; }
}

@media (max-width: 1100px) {
  .site-header { grid-template-columns: 1fr auto; }
  .top-nav { display: none; }
  .platform { grid-template-columns: minmax(195px, .72fr) minmax(450px, 1.5fr) minmax(215px, .75fr); gap: 18px; padding-left: 25px; padding-right: 25px; }
  .architecture { height: min(76svh, 690px); }
  .module-registry li { padding: 6px 0 7px; }
}

@media (max-width: 760px) {
  .page-shell { overflow: visible; }
  .site-header { height: 64px; padding: 0 18px; }
  .brand img { width: 31px; height: 31px; }
  .brand span { font-size: 11px; letter-spacing: .22em; }
  .header-actions { gap: 16px; }
  .locale-button, .account-link { font-size: 9px; }
  .platform { display: block; min-height: 0; padding: 38px 20px 55px; }
  .platform-intro { max-width: 540px; }
  .overline { margin-bottom: 17px; }
  h1 { font-size: clamp(32px, 9.5vw, 47px); }
  .intro-copy { max-width: 510px; font-size: 14px; }
  .outcomes { grid-template-columns: 1fr 1fr; gap: 12px 15px; }
  .architecture { width: calc(100% + 24px); height: auto; min-height: 0; margin: 22px -12px 26px; }
  .architecture img { width: 100%; max-height: none; }
  .module-registry { max-width: none; }
  .module-registry li { padding: 10px 0; }
  .module-registry strong { font-size: 10px; }
  .module-registry span { font-size: 11px; }
}