:root {
  --deep: #050a1c;
  --mid: #121738;
  --text: #f2f4ff;
  --muted: rgba(242, 244, 255, 0.68);
  --card: rgba(255, 255, 255, 0.06);
  --stroke: rgba(255, 255, 255, 0.12);
  --gold: #ffd666;
  --link: #9fd2ff;
}

* { box-sizing: border-box; }

html { background: var(--deep); }

body {
  margin: 0;
  min-height: 100vh;
  color: var(--text);
  font: 17px/1.6 -apple-system, BlinkMacSystemFont, "SF Pro Text", "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  background:
    radial-gradient(1px 1px at 12% 18%, rgba(255,255,255,.7), transparent),
    radial-gradient(1px 1px at 68% 9%, rgba(255,255,255,.55), transparent),
    radial-gradient(1.5px 1.5px at 85% 32%, rgba(255,255,255,.6), transparent),
    radial-gradient(1px 1px at 33% 52%, rgba(255,255,255,.45), transparent),
    radial-gradient(1px 1px at 6% 78%, rgba(255,255,255,.5), transparent),
    radial-gradient(1.5px 1.5px at 57% 88%, rgba(255,255,255,.55), transparent),
    radial-gradient(900px 600px at 50% -10%, rgba(120, 110, 255, 0.18), transparent),
    linear-gradient(var(--deep), var(--mid) 55%, var(--deep));
  background-attachment: fixed;
}

main {
  max-width: 720px;
  margin: 0 auto;
  padding: 48px 16px 80px;
}

header.brand {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 36px;
}

header.brand img {
  width: 56px;
  height: 56px;
  border-radius: 13px;
  box-shadow: 0 0 24px rgba(255, 255, 255, 0.15);
}

header.brand a { color: var(--text); text-decoration: none; }
header.brand .name { font-weight: 800; font-size: 22px; letter-spacing: -0.01em; }
header.brand .tag { color: var(--muted); font-size: 15px; }

h1 { font-size: 34px; line-height: 1.15; margin: 0 0 8px; letter-spacing: -0.02em; }
h2 { font-size: 21px; margin: 36px 0 8px; }
h3 { font-size: 17px; margin: 22px 0 4px; }
p, li { color: var(--muted); }
strong { color: var(--text); }
a { color: var(--link); }

.updated { color: var(--muted); font-size: 15px; margin-bottom: 28px; }

.card {
  background: var(--card);
  border: 1px solid var(--stroke);
  border-radius: 18px;
  padding: 18px 20px;
  margin: 18px 0;
}

.card.highlight { border-color: rgba(255, 214, 102, 0.4); }
.card p:first-child { margin-top: 0; }
.card p:last-child { margin-bottom: 0; }

.links { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 24px; }
.links a {
  display: inline-block;
  padding: 10px 18px;
  border-radius: 999px;
  background: var(--card);
  border: 1px solid var(--stroke);
  color: var(--text);
  text-decoration: none;
  font-weight: 600;
}
.links a.primary { background: #fff; color: var(--deep); border-color: #fff; }

footer {
  margin-top: 56px;
  padding-top: 20px;
  border-top: 1px solid var(--stroke);
  color: var(--muted);
  font-size: 14px;
}
footer a { color: var(--muted); }