:root {
  color-scheme: dark;
  font-family: "Segoe UI", Inter, system-ui, sans-serif;
  font-synthesis: none;
  --navy: #041525;
  --panel: #0a2438;
  --line: #1f4a66;
  --cyan: #2ec4d6;
  --cyan-bright: #5ce7ff;
  --text: #eef8ff;
  --muted: #a9c3d8;
  color: var(--text);
  background: var(--navy);
}
* { box-sizing: border-box; }
body {
  margin: 0;
  background:
    radial-gradient(ellipse at 12% 0%, #0d3d5555, transparent 42%),
    radial-gradient(ellipse at 88% 18%, #07477544, transparent 48%),
    var(--navy);
}
a { color: inherit; text-underline-offset: 4px; }
code { font-size: 0.92em; color: #b7e9f5; }
header, main, footer { max-width: 1160px; margin: auto; padding: 28px 32px; }
header {
  display: flex; justify-content: space-between; align-items: center; gap: 24px;
  max-width: none; padding: 14px max(32px, calc((100vw - 1096px) / 2));
  background: rgba(4, 21, 37, 0.92);
  backdrop-filter: blur(10px);
  border-bottom: 2px solid var(--cyan);
  position: sticky; top: 0; z-index: 20;
}
.brand { text-decoration: none; font-size: 27px; font-weight: 750; letter-spacing: -1px; }
.brand span { color: var(--cyan); }
nav { display: flex; gap: 28px; align-items: center; font-size: 14px; font-weight: 600; }
nav a { text-decoration: none; }
nav a:hover { color: var(--cyan-bright); }
.nav-cta { border: 1px solid #2a6f8f; border-radius: 7px; padding: 10px 18px; }
main { min-height: 73vh; padding-top: 56px; padding-bottom: 85px; }
.eyebrow, .number { font: 600 11px/1.4 "Segoe UI", sans-serif; letter-spacing: 2px; color: #52ddf5; }
h1 { font-size: clamp(38px, 5.8vw, 72px); line-height: 1.07; letter-spacing: -2.5px; max-width: 900px; margin: 24px 0; }
h1 span { color: #52d5f3; }
h2 { font-size: 23px; line-height: 1.25; letter-spacing: -.5px; }
.lead { font-size: 19px; line-height: 1.7; max-width: 720px; color: #c1d2e7; }
p { line-height: 1.7; color: var(--muted); }
.actions { display: flex; align-items: center; flex-wrap: wrap; gap: 24px; margin: 32px 0; }
.button, .secondary {
  display: inline-block; border-radius: 8px; padding: 14px 20px;
  font-family: inherit; font-size: 14px; font-weight: 600; line-height: 1.3;
  cursor: pointer; text-decoration: none;
}
.button {
  background: linear-gradient(110deg, #1fbbff, var(--cyan));
  border: 1px solid #5ce7ff; color: #021b38;
  box-shadow: 0 6px 24px #007acd25;
}
.button span { margin-left: 22px; }
.button:hover { background: #79edff; }
.secondary { background: #08234466; border: 1px solid #4975a6; color: var(--text); }
.secondary:hover { background: #12365c; }
.notice {
  border-left: 2px solid var(--cyan); padding: 12px 18px; background: #0b294b;
  max-width: 850px; color: #c0d4eb; font-size: 13px; margin: 40px 0;
}
.cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; margin-top: 66px; }
.cards article, .panel {
  border: 1px solid var(--line); border-radius: 12px;
  background: linear-gradient(145deg, #0b284c, var(--panel)); padding: 27px;
}
.cards article { border-top: 2px solid #147cc1; }
.cards p { font-size: 14px; margin-bottom: 0; }
.roadmap { border-top: 1px solid var(--line); margin-top: 56px; padding-top: 40px; max-width: 850px; }
.panel.soft { margin-top: 28px; }
.narrow { max-width: 760px; }
.narrow h1 { font-size: clamp(36px, 5vw, 55px); }
.panel { margin: 25px 0; }
.muted { font-size: 13px; color: #a4bbd5; }
footer {
  border-top: 1px solid var(--line); display: flex; justify-content: space-between;
  align-items: center; gap: 25px; font-size: 12px;
}
footer .brand { font-size: 20px; }
footer p { max-width: 420px; margin: 0; }
.skip { position: absolute; top: -90px; z-index: 1; }
.skip:focus { top: 10px; left: 10px; background: var(--navy); padding: 10px; }
[hidden] { display: none !important; }
a:focus-visible, button:focus-visible, summary:focus-visible {
  outline: 2px solid var(--cyan); outline-offset: 4px;
}
@media (max-width: 720px) {
  header, main, footer { padding-left: 20px; padding-right: 20px; }
  header { gap: 18px; }
  nav { gap: 14px; font-size: 12px; }
  .nav-cta { padding: 9px 12px; }
  .cards { grid-template-columns: 1fr; margin-top: 38px; }
  main { padding-top: 36px; }
  h1 { letter-spacing: -1.5px; }
  footer { align-items: flex-start; flex-direction: column; }
  .lead { font-size: 17px; }
}
#release-checksum { overflow-wrap: anywhere; }