:root {
  color-scheme: light;
  --ink: #111111;
  --muted: #616161;
  --line: #e9e4dc;
  --paper: #fffaf2;
  --card: #ffffff;
  --accent: #111111;
  --warm: #f2c94c;
  --blue: #2f80ed;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: var(--ink);
  background:
    radial-gradient(circle at 20% 0%, rgba(242, 201, 76, 0.22), transparent 32rem),
    radial-gradient(circle at 85% 12%, rgba(47, 128, 237, 0.15), transparent 30rem),
    var(--paper);
}

a {
  color: inherit;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  width: min(1120px, calc(100% - 32px));
  min-height: 70px;
  margin: 14px auto 0;
  padding: 0 12px 0 14px;
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  gap: 18px;
  background: rgba(255, 255, 255, 0.72);
  border: 1px solid rgba(17, 17, 17, 0.08);
  border-radius: 8px;
  box-shadow: 0 16px 44px rgba(17, 17, 17, 0.08);
  backdrop-filter: blur(18px);
}

.brand {
  justify-self: start;
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-weight: 900;
  text-decoration: none;
}

.brand-mark {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 34px;
  height: 34px;
  color: #ffffff;
  background:
    linear-gradient(135deg, rgba(17, 17, 17, 1), rgba(80, 80, 80, 1));
  border-radius: 8px;
  box-shadow: 0 8px 18px rgba(17, 17, 17, 0.18);
}

.site-header nav {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 5px;
  background: rgba(17, 17, 17, 0.05);
  border-radius: 8px;
}

.site-header nav a,
.header-download {
  color: var(--muted);
  font-size: 14px;
  font-weight: 800;
  text-decoration: none;
}

.site-header nav a {
  min-height: 34px;
  display: inline-flex;
  align-items: center;
  padding: 0 12px;
  border-radius: 8px;
}

.site-header nav a[aria-current="page"] {
  color: var(--ink);
  background: #ffffff;
  box-shadow: 0 5px 14px rgba(17, 17, 17, 0.08);
}

.header-download {
  justify-self: end;
  min-height: 38px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0 14px;
  color: #ffffff;
  background:
    linear-gradient(135deg, var(--accent), #3a3a3a);
  border-radius: 8px;
  box-shadow: 0 8px 20px rgba(17, 17, 17, 0.14);
}

.page {
  width: min(1060px, calc(100% - 40px));
  margin: 0 auto;
  padding: 42px 0 36px;
}

.hero {
  min-height: 62vh;
  display: grid;
  align-content: center;
  gap: 18px;
}

.eyebrow {
  margin: 0;
  color: var(--muted);
  font-weight: 700;
}

h1 {
  margin: 0;
  font-size: clamp(48px, 9vw, 108px);
  line-height: 0.94;
  letter-spacing: 0;
}

.lead {
  max-width: 680px;
  margin: 0;
  font-size: clamp(18px, 2vw, 24px);
  line-height: 1.42;
  color: #2d2d2d;
}

.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 10px;
}

.availability {
  margin: -4px 0 0;
  color: var(--muted);
  font-size: 14px;
  font-weight: 700;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0 20px;
  border-radius: 8px;
  color: #ffffff;
  background: var(--accent);
  text-decoration: none;
  font-weight: 800;
}

.button[aria-disabled="true"],
.header-download[aria-disabled="true"] {
  cursor: default;
}

.button.ghost {
  color: var(--ink);
  background: rgba(255, 255, 255, 0.7);
  border: 1px solid var(--line);
}

.grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
}

article,
.document {
  background: rgba(255, 255, 255, 0.76);
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: 0 16px 40px rgba(17, 17, 17, 0.06);
}

article {
  padding: 22px;
}

.info-band {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
  margin-top: 14px;
}

.info-band > div {
  min-height: 150px;
  padding: 24px;
  color: #ffffff;
  background:
    linear-gradient(135deg, rgba(17, 17, 17, 0.96), rgba(59, 59, 59, 0.96));
  border-radius: 8px;
}

.info-band p {
  color: rgba(255, 255, 255, 0.74);
  line-height: 1.6;
}

h2 {
  margin: 0 0 8px;
  font-size: 20px;
}

article p,
.document p {
  margin: 0;
  color: var(--muted);
  line-height: 1.6;
}

.document p + p {
  margin-top: 14px;
}

.document {
  width: min(860px, calc(100% - 40px));
  margin: 40px auto 28px;
  padding: clamp(24px, 4vw, 44px);
}

.document h1 {
  font-size: clamp(36px, 7vw, 64px);
  margin: 18px 0 8px;
}

.document h2 {
  margin-top: 28px;
}

.document a:not(.button):not(.back) {
  font-weight: 700;
}

.updated,
.back {
  color: var(--muted);
}

.back {
  font-weight: 800;
  text-decoration: none;
}

.contact-block {
  margin-top: 18px;
}

footer {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 20px;
  padding: 24px;
  color: var(--muted);
  font-size: 14px;
}

footer a {
  text-decoration: none;
}

@media (max-width: 760px) {
  .site-header {
    position: static;
    grid-template-columns: 1fr;
    justify-items: center;
    gap: 12px;
    padding: 16px;
  }

  .brand,
  .header-download {
    justify-self: center;
  }

  .site-header nav {
    width: 100%;
    overflow-x: auto;
    justify-content: flex-start;
  }

  .page {
    padding-top: 28px;
  }

  .grid {
    grid-template-columns: 1fr;
  }

  .info-band {
    grid-template-columns: 1fr;
  }

  .document {
    padding: 24px;
  }
}