:root {
  color-scheme: light;
  --ink: #0b0f17;
  --muted: #53606f;
  --canvas: #f5f7fb;
  --white: #ffffff;
  --border: #dce2ea;
  --cobalt: #0057ff;
  --cobalt-soft: #eaf0ff;
  --mint: #39e6a4;
  --mint-dark: #08734d;
  --max: 74rem;
  font-family: Inter, ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

* { box-sizing: border-box; }
html { background: var(--canvas); scroll-behavior: smooth; }
body { margin: 0; color: var(--ink); background: var(--canvas); font-size: 1rem; line-height: 1.65; }
a { color: var(--cobalt); text-underline-offset: .18em; }
a:hover { text-decoration-thickness: .14em; }
a:focus-visible, button:focus-visible { outline: .2rem solid var(--mint-dark); outline-offset: .2rem; }

.site-header {
  border-bottom: 1px solid var(--border);
  background: rgba(255,255,255,.94);
}
.nav {
  width: min(calc(100% - 2rem), var(--max));
  min-height: 5rem;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
}
.brand { display: inline-flex; align-items: center; }
.brand img { width: 9.8rem; height: auto; display: block; }
.nav-links { display: flex; gap: 1.2rem; align-items: center; }
.nav-links a { color: var(--ink); font-weight: 650; text-decoration: none; }

.hero {
  width: min(calc(100% - 2rem), var(--max));
  margin: 0 auto;
  padding: clamp(4.5rem, 11vw, 9rem) 0 clamp(4rem, 9vw, 7rem);
  display: grid;
  grid-template-columns: minmax(0, 1.45fr) minmax(17rem, .75fr);
  align-items: end;
  gap: clamp(2rem, 7vw, 7rem);
}
.eyebrow {
  margin: 0 0 1rem;
  color: var(--cobalt);
  font-size: .82rem;
  font-weight: 800;
  letter-spacing: .14em;
  text-transform: uppercase;
}
h1, h2, h3 { line-height: 1.08; letter-spacing: -.035em; }
h1 { max-width: 12ch; margin: 0; font-size: clamp(3.1rem, 8vw, 7.2rem); font-weight: 750; }
.lead { max-width: 39rem; margin: 1.6rem 0 0; color: var(--muted); font-size: clamp(1.1rem, 2vw, 1.35rem); }
.status-card {
  position: relative;
  padding: 1.5rem;
  overflow: hidden;
  border: 1px solid var(--border);
  border-radius: 1.25rem;
  background: var(--white);
  box-shadow: 0 1.6rem 4rem rgba(11,15,23,.07);
}
.status-card::before { content: ""; position: absolute; inset: 0 auto 0 0; width: .45rem; background: var(--mint); }
.status-card strong { display: block; margin-bottom: .35rem; font-size: 1.08rem; }
.status-card p { margin: 0; color: var(--muted); }
.status-card a { display: inline-block; margin-top: 1rem; font-weight: 750; }

.invite-panel {
  display: none;
  width: min(calc(100% - 2rem), var(--max));
  margin: 2rem auto 0;
  padding: clamp(1.4rem, 4vw, 2.4rem);
  border: 1px solid #b7c8ff;
  border-radius: 1.25rem;
  background: var(--cobalt-soft);
}
.invite-panel[data-visible="true"] { display: block; }
.invite-panel h1 { max-width: none; font-size: clamp(2rem, 5vw, 3.5rem); }
.invite-panel p { max-width: 43rem; color: var(--muted); }
.button {
  display: inline-flex;
  min-height: 3rem;
  align-items: center;
  justify-content: center;
  padding: .75rem 1.15rem;
  border: 0;
  border-radius: .7rem;
  background: var(--cobalt);
  color: var(--white);
  font: inherit;
  font-weight: 750;
  text-decoration: none;
}
.token { padding: .75rem 1rem; overflow-wrap: anywhere; border: 1px solid var(--border); border-radius: .7rem; background: var(--white); font-family: ui-monospace, SFMono-Regular, Menlo, monospace; }

.principles { border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); background: var(--white); }
.principles-grid {
  width: min(calc(100% - 2rem), var(--max));
  margin: 0 auto;
  padding: clamp(2.5rem, 6vw, 4.5rem) 0;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--border);
}
.principle { padding: 1.4rem clamp(1.2rem, 3vw, 2rem); background: var(--white); }
.principle span { color: var(--cobalt); font-size: .8rem; font-weight: 800; letter-spacing: .1em; }
.principle h2 { margin: .6rem 0; font-size: 1.35rem; }
.principle p { margin: 0; color: var(--muted); }

.document-wrap { width: min(calc(100% - 2rem), 64rem); margin: 0 auto; padding: clamp(3rem, 8vw, 6rem) 0; }
.document-header { padding-bottom: 2rem; border-bottom: 1px solid var(--border); }
.document-header h1 { max-width: 15ch; font-size: clamp(2.8rem, 7vw, 5.4rem); }
.updated { margin: 1rem 0 0; color: var(--muted); }
.notice { margin-top: 2.8rem; display: grid; grid-template-columns: 13rem minmax(0,1fr); gap: 3rem; }
.toc { position: sticky; top: 1.5rem; align-self: start; padding: 1rem 0; }
.toc strong { display: block; margin-bottom: .7rem; }
.toc a { display: block; padding: .28rem 0; color: var(--muted); text-decoration: none; }
.toc a:hover { color: var(--cobalt); }
.notice-content { min-width: 0; }
.notice-content section { padding: 0 0 2.5rem; scroll-margin-top: 2rem; }
.notice-content h2 { margin: 0 0 .8rem; font-size: clamp(1.55rem, 3vw, 2.1rem); }
.notice-content h3 { margin: 1.6rem 0 .6rem; font-size: 1.1rem; }
.notice-content p, .notice-content li { color: #313c49; }
.notice-content ul { padding-left: 1.25rem; }
.callout { padding: 1.2rem 1.3rem; border-left: .4rem solid var(--mint); background: var(--white); }

.site-footer { border-top: 1px solid var(--border); background: var(--ink); color: var(--white); }
.footer-inner { width: min(calc(100% - 2rem), var(--max)); margin: 0 auto; padding: 2rem 0; display: flex; justify-content: space-between; gap: 2rem; }
.footer-inner p { margin: 0; color: #c8d0da; }
.footer-inner a { color: var(--white); }

@media (max-width: 760px) {
  .nav { min-height: 4.25rem; }
  .brand img { width: 8rem; }
  .hero { grid-template-columns: 1fr; align-items: start; }
  .principles-grid { grid-template-columns: 1fr; }
  .notice { grid-template-columns: 1fr; gap: 1rem; }
  .toc { position: static; padding: 0 0 1rem; columns: 2; }
  .footer-inner { flex-direction: column; }
}

@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }