*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --bg: #0b0f1a;
  --bg2: #111623;
  --bg3: #181f2e;
  --border: rgba(255,255,255,0.07);
  --muted: #6b7591;
  --muted2: #8b95b0;
  --white: #f0f4ff;
  --blue: #3d7cff;
  --blue-soft: rgba(61,124,255,0.15);
  --lime: #a8e63d;
  --lime-soft: rgba(168,230,61,0.1);
  --pink: #ff4d8f;
  --pink-soft: rgba(255,77,143,0.1);
  --sans: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  --mono: ui-monospace, 'Cascadia Code', 'Source Code Pro', Menlo, monospace;
}

body { background: var(--bg); color: var(--white); font-family: var(--sans); line-height: 1.6; }

/* NAV */
nav {
  display: flex; align-items: center; justify-content: space-between;
  padding: 18px 40px;
  border-bottom: 1px solid var(--border);
  position: sticky; top: 0; background: rgba(11,15,26,0.95);
  backdrop-filter: blur(10px); z-index: 99;
}
.logo { display: flex; align-items: center; gap: 10px; text-decoration: none; }
.logo-glyph { width: 34px; height: 34px; }
.logo-glyph svg { width: 34px; height: 34px; }
.logo-text { font-size: 16px; font-weight: 800; color: var(--white); letter-spacing: -0.02em; }
.logo-text .at { color: var(--lime); }
.nav-center { display: flex; gap: 28px; }
.nav-center a { font-size: 13px; font-weight: 600; color: var(--muted2); text-decoration: none; letter-spacing: 0.01em; }
.nav-center a:hover { color: var(--white); }
.nav-right { display: flex; align-items: center; gap: 12px; }
.nav-gh {
  display: flex; align-items: center; gap: 6px;
  font-family: var(--mono); font-size: 12px; color: var(--muted2);
  background: var(--bg3); border: 1px solid var(--border);
  border-radius: 6px; padding: 7px 14px; cursor: pointer;
  text-decoration: none;
}
.nav-gh:hover { color: var(--white); border-color: rgba(255,255,255,0.15); }
.nav-cta {
  background: var(--lime); color: #0b0f1a;
  border: none; border-radius: 6px;
  padding: 9px 22px; font-size: 13px; font-weight: 800;
  font-family: var(--sans); cursor: pointer; letter-spacing: 0.01em;
  text-decoration: none;
}

/* FOOTER */
footer {
  border-top: 1px solid var(--border);
  padding: 40px; display: flex; justify-content: space-between; align-items: center;
}
.footer-l { font-family: var(--mono); font-size: 11px; color: var(--muted); line-height: 1.8; }
.footer-r { display: flex; gap: 20px; }
.footer-r a { font-size: 12px; color: var(--muted); text-decoration: none; font-family: var(--mono); }
.footer-r a:hover { color: var(--white); }

/* PAGE CONTENT (sub-pages) */
.page-content {
  max-width: 720px;
  margin: 0 auto;
  padding: 80px 40px;
}
.page-content h1 {
  font-size: 36px; font-weight: 800; letter-spacing: -0.03em;
  color: var(--white); margin-bottom: 12px;
}
.page-content .page-updated {
  font-family: var(--mono); font-size: 12px; color: var(--muted);
  margin-bottom: 48px;
}
.page-content h2 {
  font-size: 20px; font-weight: 700; color: var(--white);
  margin-top: 40px; margin-bottom: 12px; letter-spacing: -0.02em;
}
.page-content p {
  font-size: 15px; color: var(--muted2); line-height: 1.75;
  margin-bottom: 16px;
}
.page-content ul {
  list-style: none; margin-bottom: 16px;
}
.page-content ul li {
  font-size: 15px; color: var(--muted2); line-height: 1.75;
  padding: 4px 0; padding-left: 20px; position: relative;
}
.page-content ul li::before {
  content: '->'; font-family: var(--mono); font-size: 11px;
  color: var(--lime); position: absolute; left: 0; top: 6px;
}
.page-content a { color: var(--blue); text-decoration: none; }
.page-content a:hover { text-decoration: underline; }

/* RESPONSIVE */
@media (max-width: 768px) {
  nav { padding: 14px 20px; }
  .nav-center { display: none; }
  .page-content { padding: 60px 20px; }
  footer { padding: 30px 20px; flex-direction: column; gap: 16px; text-align: center; }
}