:root { color-scheme: dark; --bg: #171c18; --ink: #d5e9c3; --lime: #b6ff4d; --muted: #a0b292; --line: #3c4c35; }
* { box-sizing: border-box; }
body { margin: 0; background: var(--bg); color: var(--ink); font: 1rem/1.8 Consolas, "Cascadia Mono", "Liberation Mono", monospace; }
body::before { content: ""; position: fixed; inset: 0; pointer-events: none; background: repeating-linear-gradient(0deg, transparent 0 3px, #0000000a 3px 4px); z-index: -1; }
main { width: min(100% - 3rem, 70rem); margin: auto; padding: 2rem 0; }
nav, footer { display: flex; align-items: center; justify-content: space-between; gap: 1.5rem; font-size: .78rem; }
a { color: var(--lime); text-underline-offset: .3em; }
a:hover { color: #eaffd3; }
a:focus-visible { outline: 2px solid var(--lime); outline-offset: 5px; }
.back { display: inline-block; border: 1px solid var(--line); padding: .5rem .85rem; text-decoration: none; }
.channel, footer span { color: var(--muted); letter-spacing: .08em; }
header { padding: clamp(3rem, 8vw, 6rem) 0 3rem; }
.kicker { color: var(--muted); font-size: .75rem; letter-spacing: .12em; }
h1 { color: var(--lime); font-size: clamp(3.6rem, 10vw, 8rem); line-height: .98; letter-spacing: -.065em; margin: 1.5rem 0 2rem; }
.cursor { color: #628443; }
.salutation { font-size: clamp(1rem, 2.5vw, 1.25rem); }
h2 { margin: 0; font-size: .78rem; line-height: 1.6; letter-spacing: .08em; color: var(--lime); }
.packet { display: grid; grid-template-columns: 12rem 1fr; border-top: 1px solid var(--line); }
.packet-label { padding: 1.5rem 1rem 1.5rem 0; }
.packet-label span { display: block; margin-top: 1rem; color: var(--muted); font-size: .72rem; }
.packet-body { border-left: 1px solid var(--line); padding: 1rem 0 1.5rem 2rem; max-width: 48rem; }
p { margin: 1rem 0; }
.signal { color: var(--lime); padding: 1rem 0 1rem 1.2rem; border-left: 3px solid var(--lime); font-size: 1.15rem; }
.imperatives { padding: 2rem 0 3rem; }
.section-heading { display: flex; justify-content: space-between; gap: 1rem; border-bottom: 1px solid var(--lime); padding-bottom: 1rem; }
.section-heading span { color: var(--ink); font-size: .75rem; }
ol { list-style: none; padding: 0; margin: 0; }
li { display: grid; grid-template-columns: 5rem 1fr; gap: 1.5rem; padding: 1.6rem 0; border-bottom: 1px dashed var(--line); }
.number { color: #8aac68; font-size: 2.2rem; line-height: 1.5; }
blockquote { margin: 0; }
blockquote p { font-size: clamp(1.2rem, 2.8vw, 1.7rem); color: var(--lime); line-height: 1.4; margin: .2rem 0 .6rem; }
.annotation { max-width: 46rem; margin: 0; }
.source { max-width: 55rem; font-size: .8rem; color: var(--muted); margin-top: 1.5rem; }
.signature { color: var(--lime); font-size: 1.25rem; padding-top: .5rem; }
footer { border-top: 1px solid var(--line); padding-top: 1.5rem; margin-top: 1.5rem; }
::selection { background: var(--lime); color: var(--bg); }
@media (max-width: 650px) {
  main { width: calc(100% - 2rem); }
  nav, footer, .section-heading { align-items: flex-start; flex-direction: column; gap: .8rem; }
  .packet { grid-template-columns: 1fr; }
  .packet-label { padding-bottom: 0; }
  .packet-label span { display: none; }
  .packet-body { border-left: none; padding-left: 0; }
  li { grid-template-columns: 2rem 1fr; gap: .8rem; }
  .number { font-size: 1.3rem; }
}