:root { color-scheme: dark; --ground: #111e1e; --paper: #f4edda; --muted: #b9c6b9; --accent: #edb87b; --rule: #546360; }
    * { box-sizing: border-box; }
    body { margin: 0; background: var(--ground); color: var(--paper); font: 1rem/1.6 system-ui, sans-serif; }
    a { color: inherit; }
    a:focus-visible { outline: 2px solid var(--accent); outline-offset: 6px; }
    .wrap { width: min(1120px, calc(100% - 2 * clamp(1.25rem, 5vw, 4rem))); margin-inline: auto; }
    .masthead, footer { display: flex; justify-content: space-between; align-items: center; gap: 1rem; padding-block: 1.25rem; }
    .masthead { border-bottom: 1px solid var(--rule); }
    .brand { display: inline-flex; gap: .7rem; align-items: center; font: 1.18rem Georgia, serif; }
    .label { color: var(--accent); font-size: .72rem; font-weight: 650; letter-spacing: .13em; text-transform: uppercase; }
    .hero { display: grid; grid-template-columns: 1fr 1.05fr; align-items: center; gap: clamp(1.5rem, 6vw, 5rem); padding-block: clamp(3rem, 8vw, 6rem); }
    h1, h2, h3 { font-family: Georgia, serif; font-weight: 400; line-height: 1.04; margin: 0; }
    h1 { font-size: clamp(2.65rem, 6.4vw, 6.2rem); letter-spacing: -.055em; margin-block: .25em; }
    .intro { color: var(--muted); max-width: 34ch; margin: 1.4rem 0 2rem; }
    .jump { display: inline-block; color: var(--accent); text-decoration-thickness: 1px; text-underline-offset: .4em; }
    figure { margin: 0; }
    .sky { display: block; width: 100%; height: auto; border: 1px solid var(--rule); background: #172827; }
    figcaption { display: flex; justify-content: space-between; gap: .7rem; padding-top: .7rem; color: var(--muted); font-size: .76rem; }
    .notes { border-top: 1px solid var(--rule); padding-block: 2.2rem 3rem; }
    h2 { font-size: clamp(2rem, 4vw, 3.1rem); margin-top: .45rem; }
    ol { list-style: none; padding: 0; margin: 2rem 0 0; display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.75rem; }
    li { border-top: 1px solid var(--rule); padding-top: 1rem; }
    h3 { font-size: 1.45rem; margin-top: .55rem; }
    li p { color: var(--muted); font-size: .91rem; margin-bottom: 0; }
    footer { border-top: 1px solid var(--rule); color: var(--muted); font-size: .8rem; }
    @media (max-width: 680px) {
      .hero { grid-template-columns: 1fr; }
      ol { grid-template-columns: 1fr; gap: 1.2rem; }
      .masthead > .label { display: none; }
    }