:root {
  --bg-top: #062A52;
  --bg-bottom: #03061A;
  --card: rgba(255, 255, 255, 0.06);
  --line: rgba(255, 255, 255, 0.10);
  --text: #ECF8FF;
  --muted: rgba(236, 248, 255, 0.72);
  --cyan: #3FE0FF;
  --teal: #2FFFC9;
  --gold: #FFD166;
  --magenta: #FF4FD8;
}
* { box-sizing: border-box; }
html { background: var(--bg-bottom); }
body {
  margin: 0;
  min-height: 100vh;
  background: radial-gradient(ellipse at 50% -10%, rgba(63, 224, 255, 0.18), transparent 55%),
              linear-gradient(180deg, var(--bg-top), var(--bg-bottom));
  color: var(--text);
  font: 17px/1.6 ui-rounded, "SF Pro Rounded", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  -webkit-font-smoothing: antialiased;
}
main { max-width: 720px; margin: 0 auto; padding: 32px 16px 64px; }
header { display: flex; align-items: center; gap: 14px; margin-bottom: 28px; }
header a { color: inherit; text-decoration: none; display: flex; align-items: center; gap: 12px; }
.mark { width: 44px; height: 44px; flex: none; border-radius: 10px; }
.wordmark { font-weight: 800; font-size: 26px; letter-spacing: 1px; text-transform: uppercase;
  background: linear-gradient(180deg, var(--text), var(--cyan)); -webkit-background-clip: text; background-clip: text; color: transparent;
  text-shadow: 0 0 24px rgba(63, 224, 255, 0.35); }
h1 { font-size: 34px; line-height: 1.15; margin: 0 0 6px; letter-spacing: -0.5px; }
h2 { font-size: 21px; margin: 32px 0 8px; }
h3 { font-size: 17px; margin: 20px 0 4px; }
p, li { color: var(--muted); }
strong { color: var(--text); }
a { color: var(--teal); }
.lede { font-size: 19px; color: var(--text); }
.card { background: var(--card); border: 1px solid var(--line); border-radius: 20px; padding: 18px 20px; margin: 18px 0; }
.card p:first-child { margin-top: 0; }
.card p:last-child { margin-bottom: 0; }
.meta { font-size: 14px; color: var(--muted); }
.links { display: flex; flex-wrap: wrap; gap: 10px; margin: 24px 0; }
.button { display: inline-block; padding: 12px 20px; border-radius: 999px; background: var(--cyan); color: #04101E;
  font-weight: 700; text-decoration: none; }
.button.secondary { background: rgba(255, 255, 255, 0.10); color: var(--text); border: 1px solid var(--line); }
.hero { width: 160px; height: 160px; border-radius: 36px; display: block; margin: 8px 0 20px; box-shadow: 0 10px 40px rgba(63, 224, 255, 0.25); }
footer { margin-top: 48px; font-size: 14px; color: var(--muted); border-top: 1px solid var(--line); padding-top: 16px; }
footer a { color: var(--muted); }