:root {
  --bg: #07080b;
  --bg-elevated: #0e1016;
  --bg-card: #12151d;
  --border: rgba(255, 255, 255, 0.08);
  --border-strong: rgba(255, 255, 255, 0.14);
  --text: #f4f6f8;
  --text-muted: #8b93a7;
  --text-dim: #5c6578;
  --mint: #3dff9a;
  --font: "DM Sans", system-ui, sans-serif;
  --serif: "Instrument Serif", Georgia, serif;
  --max: 720px;
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}
a { color: var(--mint); text-decoration: none; }
a:hover { text-decoration: underline; }

.wrap {
  width: min(var(--max), calc(100% - 2.5rem));
  margin-inline: auto;
  padding: 2rem 0 4rem;
}

.nav {
  border-bottom: 1px solid var(--border);
  background: rgba(7, 8, 11, 0.9);
  backdrop-filter: blur(12px);
  position: sticky;
  top: 0;
  z-index: 10;
}
.nav-inner {
  width: min(var(--max), calc(100% - 2.5rem));
  margin-inline: auto;
  height: 60px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.logo {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  color: var(--text);
  text-decoration: none;
}
.logo img {
  width: 28px;
  height: 28px;
  border-radius: 8px;
}
.nav-links {
  display: flex;
  gap: 1.25rem;
  font-size: 0.9rem;
  color: var(--text-muted);
}
.nav-links a { color: var(--text-muted); text-decoration: none; }
.nav-links a:hover { color: var(--text); }

h1 {
  font-family: var(--serif);
  font-size: clamp(2rem, 5vw, 2.75rem);
  font-weight: 400;
  line-height: 1.15;
  margin: 0.5rem 0 0.75rem;
}
.meta {
  color: var(--text-dim);
  font-size: 0.9rem;
  margin-bottom: 2rem;
}
h2 {
  font-size: 1.15rem;
  font-weight: 650;
  margin: 2rem 0 0.75rem;
  color: var(--text);
}
p, li {
  color: var(--text-muted);
  font-size: 0.98rem;
  margin-bottom: 0.85rem;
}
ul { padding-left: 1.25rem; margin-bottom: 1rem; }
li { margin-bottom: 0.4rem; }
strong { color: var(--text); font-weight: 600; }
.notice {
  background: var(--bg-card);
  border: 1px solid var(--border-strong);
  border-radius: 14px;
  padding: 1rem 1.15rem;
  margin: 1.25rem 0 1.75rem;
  color: var(--text-muted);
  font-size: 0.95rem;
}
.footer {
  margin-top: 3rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--border);
  color: var(--text-dim);
  font-size: 0.85rem;
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  justify-content: space-between;
}