*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
:root {
  --bg: #080B0B; --surface: #121819; --stroke: rgba(255,255,255,0.09);
  --text: #F4F7F7; --muted: #9CA9AB; --mint: #2AE6C4; --mint-ink: #04241F; --mint-text: #4CF0D3;
  --blue: #27B7F0;
}
body {
  font-family: ui-rounded, "SF Pro Rounded", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  color: var(--text); background: var(--bg); line-height: 1.7;
}
nav {
  display: flex; align-items: center; justify-content: space-between;
  padding: 0 5vw; height: 64px;
  background: var(--bg); border-bottom: 1px solid var(--stroke);
}
.nav-logo {
  display: flex; align-items: center; gap: 10px;
  font-size: 1.2rem; font-weight: 800; color: var(--text);
  text-decoration: none;
}
.nav-logo img { width: 32px; height: 32px; border-radius: 9px; }
.logo-text span { color: var(--mint-text); }
nav a.back { font-size: 0.9rem; color: var(--mint-text); text-decoration: none; font-weight: 500; }
nav a.back:hover { text-decoration: underline; }

.hero-strip {
  background: radial-gradient(ellipse 700px 300px at 50% -20%, rgba(42,230,196,0.14), transparent 60%), var(--bg);
  color: #fff; padding: 48px 5vw 40px; text-align: center;
}
.hero-strip h1 { font-size: clamp(1.6rem, 4vw, 2.4rem); font-weight: 800; margin-bottom: 8px; }
.hero-strip p { color: var(--muted); font-size: 0.9rem; }
.accent-bar { height: 4px; background: linear-gradient(135deg, var(--mint), var(--blue)); }

.content { max-width: 760px; margin: 0 auto; padding: 60px 5vw 80px; }
h2 {
  font-size: 1.25rem; font-weight: 700;
  color: var(--text); margin: 40px 0 12px;
  padding-bottom: 8px; border-bottom: 2px solid var(--surface);
}
h2:first-child { margin-top: 0; }
p { margin-bottom: 14px; font-size: 0.95rem; color: var(--muted); }
ul { margin: 0 0 14px 20px; }
ul li { font-size: 0.95rem; color: var(--muted); margin-bottom: 6px; }
strong { color: var(--text); }
a { color: var(--mint-text); }
.updated {
  display: inline-block; background: var(--surface); border-radius: 8px;
  padding: 6px 14px; font-size: 0.8rem; color: var(--muted); margin-bottom: 36px;
}

footer {
  background: #050807; color: rgba(255,255,255,0.4);
  padding: 28px 5vw; text-align: center; font-size: 0.85rem;
  border-top: 1px solid var(--stroke);
}
footer a { color: rgba(255,255,255,0.65); text-decoration: none; margin: 0 12px; }
footer a:hover { color: #fff; }
.footer-credit { display: block; margin-top: 12px; font-size: 0.78rem; color: rgba(255,255,255,0.35); }
.footer-credit a { color: rgba(255,255,255,0.55); font-weight: 600; margin: 0; }
.footer-credit a:hover { color: #fff; }