:root {
  color-scheme: dark;
  --ink: #f3f0e8;
  --muted: #aaa69d;
  --line: rgba(255, 255, 255, 0.13);
  --accent: #7aa7ff;
  --surface: rgba(255, 255, 255, 0.055);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  min-height: 100vh;
  color: var(--ink);
  background:
    radial-gradient(circle at 72% 10%, rgba(77, 111, 197, 0.24), transparent 34rem),
    radial-gradient(circle at 10% 85%, rgba(94, 67, 147, 0.17), transparent 36rem),
    #090a0d;
  line-height: 1.65;
}

a { color: inherit; }
a:hover { color: var(--accent); }

.shell {
  width: min(100% - 2rem, 70rem);
  margin-inline: auto;
}

header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 5rem;
  border-bottom: 1px solid var(--line);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.65rem;
  font-size: 1.08rem;
  font-weight: 750;
  letter-spacing: 0.04em;
  text-decoration: none;
}

.mark {
  width: 1.55rem;
  aspect-ratio: 1;
  border: 2px solid var(--accent);
  border-radius: 50%;
  box-shadow: inset 0 0 0 0.28rem #090a0d, inset 0 0 0 0.42rem rgba(122, 167, 255, 0.72);
}

nav { display: flex; gap: 1.25rem; }
nav a { color: var(--muted); font-size: 0.9rem; text-decoration: none; }

.hero {
  display: grid;
  place-items: center;
  min-height: calc(100vh - 10rem);
  padding: 6rem 0;
  text-align: center;
}

.hero-inner { max-width: 52rem; }
.eyebrow { color: var(--accent); font-size: 0.78rem; font-weight: 760; letter-spacing: 0.17em; text-transform: uppercase; }
h1 { margin: 1rem 0 1.25rem; font-size: clamp(3rem, 8vw, 6.7rem); line-height: 0.95; letter-spacing: -0.06em; }
.lede { max-width: 43rem; margin: 0 auto; color: var(--muted); font-size: clamp(1rem, 2vw, 1.2rem); }

.notice {
  max-width: 44rem;
  margin: 2.5rem auto 0;
  padding: 1rem 1.2rem;
  border: 1px solid var(--line);
  border-radius: 0.8rem;
  background: var(--surface);
  color: var(--muted);
  font-size: 0.9rem;
}

.legal {
  width: min(100% - 2rem, 48rem);
  margin: 0 auto;
  padding: 5rem 0 7rem;
}

.legal h1 { font-size: clamp(2.6rem, 7vw, 4.5rem); }
.legal h2 { margin: 2.8rem 0 0.55rem; font-size: 1.25rem; letter-spacing: -0.02em; }
.legal p, .legal li { color: #c2beb5; }
.legal ul { padding-left: 1.25rem; }
.updated { color: var(--muted); font-size: 0.9rem; }

footer {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  padding: 1.5rem 0 2rem;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 0.82rem;
}

footer div { display: flex; gap: 1rem; }

@media (max-width: 40rem) {
  header { align-items: flex-start; padding: 1.25rem 0; }
  header nav { flex-direction: column; gap: 0.35rem; text-align: right; }
  footer { flex-direction: column; }
}