@import url("https://fonts.googleapis.com/css2?family=Poppins:wght@400;500;600;700&display=swap");

:root {
  --azure: #6fabdd;
  --cobalt: #2d689a;
  --deep: #00273d;
  --graphite: #404b54;
  --bone: #e9ebed;
  --paper: #f6f7f8;
  --white: #ffffff;
  --border: rgba(0, 39, 61, 0.12);
  --border-dark: rgba(255, 255, 255, 0.14);
  --font: "Poppins", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  -webkit-font-smoothing: antialiased;
  background: var(--deep);
  color: var(--deep);
  font-family: var(--font);
}

body {
  margin: 0;
  min-height: 100vh;
}

a {
  color: inherit;
  text-decoration: none;
}

.page {
  min-height: 100vh;
  background:
    radial-gradient(ellipse at 78% 28%, rgba(111, 171, 221, 0.16), transparent 36%),
    linear-gradient(180deg, #00273d 0%, #082f46 56%, #00273d 100%);
  color: var(--white);
}

.shell {
  margin: 0 auto;
  max-width: 1180px;
  min-height: 100vh;
  padding: 32px 24px 24px;
  display: grid;
  grid-template-rows: auto 1fr auto;
}

.topbar,
.footer {
  align-items: center;
  display: flex;
  justify-content: space-between;
  gap: 24px;
  position: relative;
  z-index: 1;
}

.logo {
  display: block;
  height: 52px;
  width: auto;
}

.meta,
.eyebrow,
.footer-label,
.button,
.nav-link {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.meta {
  color: rgba(255, 255, 255, 0.58);
  text-align: right;
}

.hero {
  align-items: center;
  display: grid;
  gap: 64px;
  grid-template-columns: minmax(0, 1.15fr) minmax(220px, 0.85fr);
  padding: 72px 0;
}

.eyebrow {
  color: var(--azure);
  margin-bottom: 28px;
}

h1 {
  font-size: clamp(48px, 8vw, 112px);
  letter-spacing: -0.035em;
  line-height: 0.98;
  margin: 0;
  max-width: 760px;
}

.lede {
  color: rgba(255, 255, 255, 0.74);
  font-size: clamp(17px, 2vw, 21px);
  line-height: 1.58;
  margin: 32px 0 0;
  max-width: 570px;
}

.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 42px;
}

.button {
  border: 1px solid var(--border-dark);
  border-radius: 999px;
  display: inline-flex;
  min-height: 48px;
  padding: 15px 22px;
  transition: background 180ms ease, border-color 180ms ease, color 180ms ease, transform 180ms ease;
}

.button:hover {
  transform: translateY(1px);
}

.button.primary {
  background: var(--white);
  border-color: var(--white);
  color: var(--deep);
}

.button.secondary {
  color: rgba(255, 255, 255, 0.84);
}

.button.secondary:hover {
  background: rgba(255, 255, 255, 0.08);
  border-color: rgba(255, 255, 255, 0.28);
}

.mark-panel {
  align-items: center;
  border: 1px solid var(--border-dark);
  border-radius: 14px;
  display: flex;
  justify-content: center;
  min-height: 420px;
  overflow: hidden;
  position: relative;
}

.mark-panel::before {
  content: "";
  inset: 0;
  position: absolute;
  background: rgba(255, 255, 255, 0.035);
}

.mark {
  opacity: 0.96;
  position: relative;
  width: min(72%, 360px);
}

.footer {
  align-items: flex-end;
  color: rgba(255, 255, 255, 0.66);
  padding-top: 24px;
}

.footer-grid {
  display: flex;
  gap: 44px;
}

.footer-label {
  color: rgba(255, 255, 255, 0.34);
  display: block;
  margin-bottom: 6px;
}

.footer-value {
  color: rgba(255, 255, 255, 0.82);
  font-size: 14px;
}

.footer-links {
  display: flex;
  gap: 20px;
}

.nav-link {
  color: rgba(255, 255, 255, 0.62);
}

.nav-link:hover {
  color: var(--white);
}

.doc-page {
  background: var(--paper);
  color: var(--deep);
  min-height: 100vh;
}

.doc-shell {
  margin: 0 auto;
  max-width: 880px;
  padding: 34px 24px 72px;
}

.doc-header {
  align-items: center;
  border-bottom: 1px solid var(--border);
  display: flex;
  justify-content: space-between;
  gap: 24px;
  padding-bottom: 28px;
}

.doc-header .logo {
  height: 58px;
}

.doc-nav {
  color: var(--graphite);
  display: flex;
  gap: 18px;
  font-size: 13px;
}

.doc-content {
  padding-top: 56px;
}

.doc-content h1 {
  color: var(--deep);
  font-size: clamp(38px, 6vw, 72px);
  max-width: 780px;
}

.updated {
  color: var(--cobalt);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.14em;
  margin: 0 0 18px;
  text-transform: uppercase;
}

.doc-content h2 {
  border-top: 1px solid var(--border);
  font-size: 22px;
  letter-spacing: -0.01em;
  margin: 38px 0 12px;
  padding-top: 24px;
}

.doc-content p,
.doc-content li {
  color: var(--graphite);
  font-size: 16px;
  line-height: 1.75;
}

.doc-content ul {
  padding-left: 20px;
}

.doc-content a {
  color: var(--cobalt);
  font-weight: 600;
}

@media (max-width: 860px) {
  .topbar,
  .footer,
  .doc-header {
    align-items: flex-start;
    flex-direction: column;
  }

  .meta {
    text-align: left;
  }

  .hero {
    gap: 38px;
    grid-template-columns: 1fr;
    padding: 56px 0 40px;
  }

  .mark-panel {
    min-height: 260px;
    order: -1;
  }

  .footer-grid,
  .footer-links,
  .doc-nav {
    flex-direction: column;
    gap: 12px;
  }
}