:root {
  color-scheme: dark;
  --ink: #efeadd;
  --muted: #aaa69b;
  --paper: #0a0a0a;
  --panel: #11120f;
  --line: #34352f;
  --acid: #c8ff5a;
  --violet: #c7cffb;
}

* { box-sizing: border-box; }
html { background: var(--paper); scroll-behavior: smooth; }
body {
  margin: 0; background: var(--paper); color: var(--ink);
  font-family: ui-monospace, "SF Mono", "Cascadia Code", Menlo, Consolas, monospace;
  font-size: 15px; line-height: 1.65;
}
a { color: inherit; text-underline-offset: 4px; }
a:hover { color: var(--acid); }
a:focus-visible, button:focus-visible { outline: 3px solid var(--acid); outline-offset: 4px; }
.skip { position: fixed; left: 16px; top: -80px; z-index: 20; background: var(--acid); color: #0a0a0a; padding: 10px 14px; }
.skip:focus { top: 16px; }

.masthead {
  min-height: 72px; padding: 14px clamp(18px, 4vw, 56px); border-bottom: 1px solid var(--line);
  display: flex; align-items: center; justify-content: space-between; gap: 24px;
  position: relative; z-index: 3; background: rgba(10, 10, 10, .92);
}
.mark { font-weight: 900; letter-spacing: .12em; text-decoration: none; }
nav { display: flex; flex-wrap: wrap; justify-content: flex-end; gap: 8px 22px; }
nav a { min-height: 44px; display: inline-flex; align-items: center; font-size: 12px; letter-spacing: .08em; text-transform: uppercase; }

main, footer { width: min(1320px, 100%); margin: 0 auto; }
.hero {
  min-height: calc(100vh - 72px); display: grid; grid-template-columns: minmax(0, 1.04fr) minmax(340px, .96fr);
  border-inline: 1px solid var(--line); border-bottom: 1px solid var(--line);
}
.hero-copy { min-width: 0; padding: clamp(54px, 9vw, 142px) clamp(22px, 6vw, 88px); display: flex; flex-direction: column; justify-content: center; }
.eyebrow { margin: 0 0 20px; color: var(--acid); text-transform: uppercase; letter-spacing: .14em; font-size: 11px; font-weight: 800; }
h1, h2 { font-weight: 800; letter-spacing: -.055em; line-height: .98; text-wrap: balance; }
h1 { margin: 0; font-size: clamp(52px, 8vw, 116px); max-width: 9ch; }
h2 { margin: 0 0 26px; font-size: clamp(34px, 5vw, 66px); }
.lede { margin: 34px 0 0; max-width: 66ch; color: #cbc7bd; font-size: clamp(16px, 1.6vw, 20px); }
.url-row { margin-top: 38px; display: flex; align-items: stretch; max-width: 660px; }
.url-row code { flex: 1; min-width: 0; padding: 13px 16px; border: 1px solid var(--line); background: #050505; overflow-x: auto; white-space: nowrap; }
button {
  min-height: 48px; border: 1px solid var(--acid); border-radius: 0; padding: 10px 18px;
  background: var(--acid); color: #0a0a0a; font: 800 12px/1 ui-monospace, monospace;
  letter-spacing: .08em; text-transform: uppercase; cursor: pointer;
}
button:hover { background: var(--ink); border-color: var(--ink); }
.preview { position: relative; margin: 0; min-height: 520px; overflow: hidden; background: #151530 url("/assets/hero-1bit.png") center/cover; border-left: 1px solid var(--line); }
.preview canvas { display: block; width: 100%; height: 100%; position: absolute; inset: 0; }
.preview figcaption { position: absolute; inset: auto 0 0; display: flex; justify-content: space-between; gap: 10px; padding: 13px 16px; color: #fff; mix-blend-mode: difference; font-size: 11px; letter-spacing: .12em; }
.preview-status { position: absolute; inset: 18px 18px auto; margin: 0; font-size: 12px; }

.prompt-section, .manual, .rules { display: grid; grid-template-columns: minmax(240px, .38fr) minmax(0, .62fr); border-inline: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.prompt-section > div, .manual > *, .rules > * { min-width: 0; padding: clamp(34px, 5vw, 70px); }
.prompt-section > div + div, .manual > * + *, .rules > * + * { border-left: 1px solid var(--line); }
.prompt-block { display: flex; flex-direction: column; align-items: flex-start; background: var(--panel); }
pre { width: 100%; max-width: 100%; min-width: 0; margin: 0 0 22px; padding: 22px; overflow: auto; border: 1px solid var(--line); background: #050505; color: #e8e4d8; font: 13px/1.65 ui-monospace, monospace; tab-size: 2; }
code { font-family: inherit; }
.manual aside p:last-child { color: var(--muted); max-width: 40ch; }
.note { color: var(--muted); }

.catalogue { padding: clamp(50px, 8vw, 110px) clamp(22px, 6vw, 88px); border-inline: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.section-head { max-width: 860px; }
.catalogue-lines { margin-top: 54px; border-top: 1px solid var(--line); }
.catalogue-lines p { margin: 0; padding: 22px 0; display: grid; grid-template-columns: minmax(130px, .22fr) 1fr; gap: 24px; border-bottom: 1px solid var(--line); }
.catalogue-lines strong { color: var(--acid); text-transform: uppercase; letter-spacing: .1em; font-size: 12px; }
.catalogue-lines span { color: #cbc7bd; }
.manifest-link { margin: 30px 0 0; font-weight: 800; }
.rules ul { margin: 0; padding-left: 24px; }
.rules li { padding: 12px 0; border-bottom: 1px solid var(--line); }
.rules li:last-child { border-bottom: 0; }
.provenance { max-width: 900px; padding: clamp(50px, 8vw, 110px) clamp(22px, 6vw, 88px); }
.provenance p:not(.eyebrow) { color: #cbc7bd; font-size: 17px; }
footer { min-height: 90px; padding: 22px clamp(18px, 4vw, 56px); border: 1px solid var(--line); display: flex; align-items: center; justify-content: space-between; gap: 24px; color: var(--muted); font-size: 12px; text-transform: uppercase; letter-spacing: .08em; }

@media (max-width: 820px) {
  .hero { grid-template-columns: 1fr; }
  .preview { border-left: 0; border-top: 1px solid var(--line); min-height: 58vh; }
  .prompt-section, .manual, .rules { grid-template-columns: 1fr; }
  .prompt-section > div + div, .manual > * + *, .rules > * + * { border-left: 0; border-top: 1px solid var(--line); }
}
@media (max-width: 560px) {
  body { font-size: 14px; }
  .masthead { align-items: flex-start; }
  nav { gap: 0 14px; }
  nav a { font-size: 10px; }
  .hero-copy { padding-top: 70px; }
  h1 { font-size: clamp(48px, 15vw, 72px); }
  .url-row { flex-direction: column; }
  .catalogue-lines p { grid-template-columns: 1fr; gap: 8px; }
  footer { align-items: flex-start; flex-direction: column; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
}