:root {
    --ink: #16324f;
    --paper: #f4f7f8;
    --rule: #d3dce3;
    --muted: #5b6b79;
    --signal: #a85f00;
    --verdict: #1d7250;
    --display: "Iowan Old Style", "Palatino Linotype", Palatino, "Book Antiqua", serif;
    --body: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
    --data: ui-monospace, "Cascadia Mono", "SF Mono", Consolas, monospace;
}

* { box-sizing: border-box; }

body {
    margin: 0;
    background: var(--paper);
    color: var(--ink);
    font: 1rem/1.55 var(--body);
}

h1, h2 { font-family: var(--display); font-weight: 600; line-height: 1.15; }
h1 { font-size: clamp(2rem, 4.5vw, 3.1rem); letter-spacing: -0.01em; margin: 0 0 1rem; }
h2 { font-size: 1.5rem; margin: 2.5rem 0 1rem; }
a { color: var(--ink); text-underline-offset: 0.2em; }
a:focus-visible, .button:focus-visible { outline: 3px solid var(--signal); outline-offset: 2px; }
code, time { font-family: var(--data); font-size: 0.9em; }

.button {
    display: inline-block;
    padding: 0.6rem 1.1rem;
    background: var(--ink);
    color: var(--paper);
    border-radius: 4px;
    text-decoration: none;
    font-weight: 600;
}

.brand { display: inline-flex; align-items: center; gap: 0.5rem; font: 600 1.25rem var(--display); text-decoration: none; }

.site-header, .site-footer, main.public { max-width: 68rem; margin: 0 auto; padding: 1.25rem 1.5rem; }
.site-header { display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 1rem; }
.site-nav { display: flex; align-items: center; gap: 1.25rem; }
.site-footer { border-top: 1px solid var(--rule); color: var(--muted); font-size: 0.9rem; }
.site-footer nav { display: flex; flex-wrap: wrap; gap: 1rem; }

.hero { display: grid; grid-template-columns: 1.2fr 1fr; gap: 3rem; align-items: center; padding: 3rem 0; }
.lede { font-size: 1.15rem; max-width: 36rem; }
.actions { display: flex; flex-wrap: wrap; align-items: center; gap: 1.25rem; }

.ledger-sample { margin: 0; background: #fff; border: 1px solid var(--rule); border-left: 6px solid var(--ink); padding: 1rem 1.25rem; }
.ledger-sample figcaption { font: 0.8rem var(--data); text-transform: uppercase; letter-spacing: 0.08em; color: var(--muted); }
.ledger-sample ol { list-style: none; margin: 0.75rem 0 0; padding: 0; font: 0.9rem/1.4 var(--data); }
.ledger-sample li { display: grid; grid-template-columns: 4.5rem auto; gap: 0.2rem 0.75rem; padding: 0.6rem 0; border-top: 1px dashed var(--rule); }
.ledger-sample li > :last-child { grid-column: 2; }
.actor { justify-self: start; padding: 0 0.4rem; border-radius: 3px; font-size: 0.8rem; }
.actor.you { background: #e3ecf4; }
.actor.google { background: #fbead3; color: var(--signal); }
.actor.other { background: #f6dfdf; color: #8f2d2d; }

.features ul { list-style: none; padding: 0; margin: 0; }
.features li { padding: 0.75rem 0; border-top: 1px solid var(--rule); max-width: 46rem; }
.shipped li::before { content: "✓"; color: var(--verdict); font-weight: 700; margin-right: 0.6rem; }
.coming li { color: var(--muted); }
.tag, .stale { font: 600 0.75rem var(--data); text-transform: uppercase; letter-spacing: 0.06em; color: var(--signal); }
.tag { margin-right: 0.5rem; }

.cta { margin: 3rem 0; padding: 2rem; background: var(--ink); color: var(--paper); border-radius: 6px; }
.cta h2 { margin-top: 0; }
.cta .button { background: var(--paper); color: var(--ink); }

.beta-note, .legal-pending { padding: 0.75rem 1rem; border-left: 4px solid var(--signal); background: #fbf1e3; }
.plans { display: grid; grid-template-columns: repeat(auto-fit, minmax(18rem, 1fr)); gap: 1.5rem; }
.plan { background: #fff; border: 1px solid var(--rule); border-radius: 6px; padding: 0 1.5rem 1rem; }
.price { font: 600 2.5rem var(--display); margin: 0; }
.price span { font-size: 1rem; color: var(--muted); }
.template { background: #fff; border: 1px dashed var(--rule); margin: 1rem 0; padding: 0.5rem 1.5rem; }

.app-shell { display: grid; grid-template-columns: 15rem 1fr; min-height: 100vh; }
.app-side { background: var(--ink); color: var(--paper); padding: 1.25rem; }
.app-side a { color: var(--paper); }
.app-nav { display: flex; flex-direction: column; gap: 0.35rem; margin-top: 1.5rem; }
.app-nav h2 { font: 600 0.75rem var(--data); text-transform: uppercase; letter-spacing: 0.08em; opacity: 0.7; margin: 1.25rem 0 0.25rem; }
.app-nav .signout { margin-top: 1.5rem; }
.app-main { padding: 2rem; max-width: 72rem; }

.data-as-of { color: var(--muted); font-size: 0.9rem; }
.stale { margin-left: 0.5rem; }
.rmf { display: flex; flex-wrap: wrap; gap: 1.5rem; margin: 1rem 0; }
.rmf dt { font-size: 0.8rem; color: var(--muted); }
.rmf dd { margin: 0; font: 600 1.2rem var(--data); }

@media (max-width: 48rem) {
    .hero, .app-shell { grid-template-columns: 1fr; }
}