:root {
  --ink: #1b2a41;
  --paper: #f8f8f5;
  --text: #33404f;
  --muted: #6b7683;
  --accent: #2f7e6d;
  --amber: #b07c24;
  --rule: #d9ddd8;
  --card: #ffffff;
}

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

html { scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  * { animation: none !important; transition: none !important; }
}

body {
  font-family: "IBM Plex Sans", -apple-system, "Segoe UI", sans-serif;
  background: var(--paper);
  color: var(--text);
  line-height: 1.65;
  font-size: 17px;
}

.wrap { max-width: 780px; margin: 0 auto; padding: 0 24px; }

/* Header */
header {
  border-bottom: 1px solid var(--rule);
  background: var(--paper);
}
.masthead {
  display: flex; align-items: baseline; justify-content: space-between;
  flex-wrap: wrap; gap: 12px; padding: 28px 0 20px;
}
.wordmark {
  font-family: "IBM Plex Serif", Georgia, serif;
  font-weight: 600; font-size: 1.35rem; color: var(--ink);
  text-decoration: none; letter-spacing: -0.01em;
}
.wordmark .llc {
  font-family: "IBM Plex Mono", monospace; font-size: 0.65rem;
  font-weight: 500; color: var(--muted); letter-spacing: 0.12em;
  vertical-align: 0.35em; margin-left: 6px;
}
nav { display: flex; gap: 22px; flex-wrap: wrap; }
nav a {
  font-family: "IBM Plex Mono", monospace; font-size: 0.78rem;
  letter-spacing: 0.08em; text-transform: uppercase;
  color: var(--muted); text-decoration: none; padding-bottom: 2px;
}
nav a:hover, nav a:focus-visible { color: var(--ink); border-bottom: 2px solid var(--accent); }
nav a[aria-current="page"] { color: var(--ink); border-bottom: 2px solid var(--accent); }

/* Type */
.eyebrow {
  font-family: "IBM Plex Mono", monospace; font-size: 0.72rem;
  letter-spacing: 0.16em; text-transform: uppercase; color: var(--amber);
  display: block; margin-bottom: 14px;
}
h1 {
  font-family: "IBM Plex Serif", Georgia, serif; font-weight: 600;
  font-size: clamp(1.9rem, 4.5vw, 2.7rem); line-height: 1.18;
  color: var(--ink); letter-spacing: -0.015em; margin-bottom: 22px;
}
h2 {
  font-family: "IBM Plex Serif", Georgia, serif; font-weight: 600;
  font-size: 1.35rem; color: var(--ink); margin: 44px 0 14px;
}
p + p { margin-top: 16px; }
a { color: var(--accent); }
main { padding: 64px 0 80px; }
.lede { font-size: 1.12rem; color: var(--text); }

/* Registry card — signature element */
.registry {
  background: var(--card); border: 1px solid var(--rule);
  border-top: 3px solid var(--accent);
  margin: 44px 0 8px; padding: 26px 28px;
}
.registry-title {
  font-family: "IBM Plex Mono", monospace; font-size: 0.7rem;
  letter-spacing: 0.16em; text-transform: uppercase; color: var(--muted);
  margin-bottom: 16px;
}
.registry dl {
  display: grid; grid-template-columns: max-content 1fr;
  column-gap: 28px; row-gap: 10px;
}
.registry dt {
  font-family: "IBM Plex Mono", monospace; font-size: 0.75rem;
  letter-spacing: 0.08em; text-transform: uppercase; color: var(--muted);
  padding-top: 3px;
}
.registry dd { color: var(--ink); font-weight: 500; }
@media (max-width: 480px) {
  .registry dl { grid-template-columns: 1fr; row-gap: 2px; }
  .registry dd { margin-bottom: 10px; }
}

/* Status tag */
.status {
  display: inline-block; font-family: "IBM Plex Mono", monospace;
  font-size: 0.7rem; letter-spacing: 0.1em; text-transform: uppercase;
  background: var(--accent); color: #fff; padding: 3px 10px;
  border-radius: 3px; vertical-align: middle;
}

/* Principles list */
.principles { list-style: none; margin: 20px 0; }
.principles li {
  border-top: 1px solid var(--rule); padding: 16px 0 16px 0;
}
.principles li:last-child { border-bottom: 1px solid var(--rule); }
.principles strong {
  display: block; color: var(--ink);
  font-family: "IBM Plex Serif", Georgia, serif; font-size: 1.05rem;
  margin-bottom: 4px;
}

/* Footer */
footer {
  border-top: 1px solid var(--rule); padding: 28px 0 44px;
  font-family: "IBM Plex Mono", monospace; font-size: 0.72rem;
  letter-spacing: 0.06em; color: var(--muted);
}
footer .wrap { display: flex; justify-content: space-between; flex-wrap: wrap; gap: 8px; }
footer a { color: var(--muted); }

:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; }