:root {
  color-scheme: dark;
  --canvas: #070809;
  --panel: #111315;
  --text: #f4f6f7;
  --muted: #a6adb3;
  --line: rgba(255, 255, 255, 0.11);
  --mint: #73f3c1;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background:
    radial-gradient(circle at 80% 0%, rgba(79, 197, 159, 0.12), transparent 34rem),
    var(--canvas);
  color: var(--text);
  font-family: ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.6;
}

main {
  width: min(720px, calc(100% - 40px));
  margin: 0 auto;
  padding: 72px 0 96px;
}

nav {
  display: flex;
  flex-wrap: wrap;
  gap: 18px;
  margin-bottom: 56px;
  font-size: 0.9rem;
}

a { color: var(--mint); }
nav a { color: var(--muted); text-decoration: none; }
nav a[aria-current="page"] { color: var(--text); }

.eyebrow {
  color: var(--mint);
  font-size: 0.78rem;
  font-weight: 750;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

h1 {
  max-width: 12ch;
  margin: 8px 0 18px;
  font-size: clamp(2.6rem, 8vw, 4.8rem);
  line-height: 0.96;
  letter-spacing: -0.055em;
}

.lede { color: var(--muted); font-size: 1.15rem; }
.updated { color: var(--muted); font-size: 0.82rem; }

article {
  display: grid;
  gap: 12px;
  margin-top: 48px;
}

section {
  padding: 22px 24px;
  background: linear-gradient(150deg, rgba(255,255,255,0.065), rgba(255,255,255,0.025));
  border: 1px solid var(--line);
  border-radius: 20px;
  backdrop-filter: blur(20px);
}

h2 { margin: 0 0 7px; font-size: 1.05rem; }
p { margin: 0; }
section p, li { color: var(--muted); }
footer { margin-top: 44px; color: var(--muted); font-size: 0.82rem; }

@media (max-width: 520px) {
  main { padding-top: 36px; }
  nav { margin-bottom: 42px; }
  section { padding: 19px; border-radius: 17px; }
}