:root {
    color-scheme: light dark;
    --paper: #f3f3f0;
    --paper-2: #e7e7e2;
    --ink: #111111;
    --muted: #55555a;
    --rule: #111111;
    --hairline: #cfcfca;
    --signal: #8a5a00;
    --signal-ink: #ffffff;
    --serif: "Iowan Old Style", "Palatino Linotype", Palatino, "Book Antiqua", Georgia, serif;
    --sans: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    --mono: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
}
/* The dark palette appears twice: for the OS setting and for the toggle. Keep both blocks the same. */
@media (prefers-color-scheme: dark) {
    :root:not([data-theme="light"]) {
        --paper: #0e0e0f;
        --paper-2: #19191b;
        --ink: #ededea;
        --muted: #a3a3a0;
        --rule: #ededea;
        --hairline: #333335;
        --signal: #f5b700;
        --signal-ink: #0e0e0f;
    }
}
:root[data-theme="dark"] {
    --paper: #0e0e0f;
    --paper-2: #19191b;
    --ink: #ededea;
    --muted: #a3a3a0;
    --rule: #ededea;
    --hairline: #333335;
    --signal: #f5b700;
    --signal-ink: #0e0e0f;
}
:root[data-theme="light"] { color-scheme: light; }
:root[data-theme="dark"] { color-scheme: dark; }

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }
body {
    margin: 0;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    background: var(--paper);
    color: var(--ink);
    font: 17px/1.6 var(--sans);
    -webkit-font-smoothing: antialiased;
}
main { flex: 1; }
a { color: var(--ink); text-decoration-color: var(--signal); text-decoration-thickness: 2px; text-underline-offset: .2em; }
a:hover { color: var(--signal); }
img { max-width: 100%; height: auto; }
code { font: .86em var(--mono); background: var(--paper-2); padding: .1em .35em; overflow-wrap: anywhere; }
:focus-visible { outline: 3px solid var(--signal); outline-offset: 3px; }
::selection { background: var(--signal); color: var(--signal-ink); }

.skip { position: absolute; left: 16px; top: -100px; z-index: 10; background: var(--ink); color: var(--paper); padding: 10px 16px; }
.skip:focus { top: 12px; }

.wrap { max-width: 1040px; margin-inline: auto; padding-inline: 20px; }

/* Header and footer */
.site-header { border-bottom: 2px solid var(--rule); }
.site-header .wrap { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 8px 16px; min-height: 64px; padding-block: 10px; }
.brand { display: inline-flex; align-items: center; gap: 10px; color: var(--ink); text-decoration: none; font: 700 22px/1 var(--serif); letter-spacing: -.01em; }
.brand:hover { color: var(--ink); }
.brand svg { width: 26px; height: 26px; flex: none; }
.mark-b { fill: var(--ink); }
.mark-p { stroke: var(--paper); }
.mark-s { fill: #8a5a00; }
.header-end { display: flex; align-items: center; gap: 18px; margin-left: auto; }
.theme-toggle { width: 36px; height: 36px; display: grid; place-items: center; padding: 0; border: 2px solid var(--ink); background: transparent; color: var(--ink); cursor: pointer; }
@media (hover: hover) { .theme-toggle:hover { background: var(--ink); color: var(--paper); } }
.theme-toggle svg { width: 18px; height: 18px; }
.site-header nav { display: flex; flex-wrap: wrap; justify-content: flex-end; gap: 0 18px; }
.site-header nav a { color: var(--ink); text-decoration: none; font: 500 13px/1 var(--mono); text-transform: uppercase; letter-spacing: .06em; padding: 8px 0; border-bottom: 2px solid transparent; white-space: nowrap; }
.site-header nav a:hover { color: var(--ink); border-bottom-color: var(--signal); }
.site-header nav a[aria-current="page"] { border-bottom-color: var(--ink); }

.site-footer { border-top: 2px solid var(--rule); margin-top: 72px; padding: 24px 0 40px; color: var(--muted); font: 13px/1.6 var(--mono); }
.site-footer .wrap { display: flex; flex-wrap: wrap; gap: 12px 32px; justify-content: space-between; }
.site-footer p { margin: 0; }
.site-footer a { color: var(--muted); }
.site-footer a:hover { color: var(--signal); }
.site-footer .links { display: flex; flex-wrap: wrap; gap: 6px 20px; }

/* Type */
h1, h2, h3 { font-family: var(--serif); font-weight: 700; line-height: 1.08; letter-spacing: -.015em; text-wrap: balance; }
h1 { font-size: clamp(36px, 5.4vw, 58px); margin: 0 0 20px; }
h2 { font-size: clamp(28px, 4vw, 40px); margin: 0 0 16px; }
h3 { font-size: 22px; margin: 0 0 6px; }
.lead { font-size: clamp(18px, 2.4vw, 22px); color: var(--ink); max-width: 760px; margin: 0; }
.eyebrow, .label { display: block; font: 500 13px/1.4 var(--mono); text-transform: uppercase; letter-spacing: .08em; color: var(--muted); margin: 0 0 14px; }
.label { padding-top: 14px; border-top: 2px solid var(--rule); margin-bottom: 18px; }
.label b { color: var(--signal); font-weight: 600; }
.meta { color: var(--muted); font: 13px/1.6 var(--mono); margin: 18px 0 0; }
.section-intro { color: var(--muted); max-width: 680px; margin: 0 0 28px; }

/* Layout */
.section { padding-block: 56px; }
.section + .section { padding-top: 16px; }
.hero { padding-block: 72px 56px; }
.hero.center { text-align: center; }
.hero.center .lead { margin-inline: auto; }
.hero .icon { width: 88px; height: 88px; border-radius: 20px; margin-bottom: 24px; }

/* Buttons */
.buttons { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 32px; }
.hero.center .buttons { justify-content: center; }
.btn {
    display: inline-flex; align-items: center; justify-content: center; gap: 8px;
    min-height: 48px; padding: 0 22px; border: 2px solid var(--ink);
    background: transparent; color: var(--ink); text-decoration: none;
    font: 600 14px/1 var(--mono); text-transform: uppercase; letter-spacing: .05em;
}
.btn:hover { color: var(--paper); background: var(--ink); }
.btn.primary { background: var(--ink); color: var(--paper); }
.btn.primary:hover { background: var(--signal); border-color: var(--signal); color: var(--signal-ink); }
.btn small { font-weight: 400; font-size: 12px; opacity: .8; text-transform: none; }

/* Blocks */
.card { background: transparent; border: 2px solid var(--rule); padding: 22px; }
.card p { margin: 0; color: var(--muted); }
.features { display: grid; grid-template-columns: repeat(auto-fill, minmax(min(100%, 280px), 1fr)); gap: 0 32px; border-top: 2px solid var(--rule); }
.features .card { border: 0; border-bottom: 1px solid var(--hairline); padding: 20px 0; }
.features .card h3 { font-size: 20px; }

/* Home: story, projects, join */
.story-text p { margin: 0 0 12px; font-size: 19px; max-width: 920px; }
.story-text p:first-child { font: 600 clamp(22px, 2.6vw, 26px)/1.25 var(--serif); margin-bottom: 20px; }
.story-text .signature { font: italic 600 22px/1.3 var(--serif); color: var(--signal); margin-top: 28px; }

.cards { display: grid; grid-template-columns: repeat(auto-fit, minmax(min(100%, 340px), 1fr)); gap: 24px; }
.pcard { border: 2px solid var(--rule); display: flex; flex-direction: column; background: var(--paper); }
.pcard .visual { aspect-ratio: 16 / 10; border-bottom: 2px solid var(--rule); background: var(--paper-2); overflow: hidden; }
.pcard .visual img { display: block; width: 100%; height: 100%; object-fit: cover; object-position: top left; }
.pcard .pbody { padding: 20px 22px 24px; display: flex; flex-direction: column; flex: 1; }
.pcard h3 { font-size: 26px; margin: 6px 0 8px; }
.pcard p { margin: 0; color: var(--muted); }
.pcard .more { margin-top: 16px; align-self: flex-start; font: 600 13px/1 var(--mono); text-transform: uppercase; letter-spacing: .05em; }
.status { font: 500 12px/1.6 var(--mono); text-transform: uppercase; letter-spacing: .08em; color: var(--muted); }
.status.live { color: var(--signal); font-weight: 600; }
.pcard .visual.coach { aspect-ratio: auto; min-height: 220px; overflow: visible; display: flex; flex-direction: column; justify-content: center; gap: 10px; padding: 24px; }
.pcard .bubble { margin: 0; max-width: 78%; padding: 10px 14px; border: 2px solid var(--rule); background: var(--paper); font: 15px/1.4 var(--sans); color: var(--ink); }
.pcard .bubble.me { align-self: flex-end; background: var(--ink); color: var(--paper); }

.join { background: var(--ink); color: var(--paper); margin-top: 40px; padding: 36px 0; }
.join .wrap { display: flex; flex-wrap: wrap; align-items: baseline; justify-content: space-between; gap: 16px 48px; }
.join h2 { margin: 0; font-size: clamp(28px, 4vw, 36px); }
.join p { margin: 4px 0 0; color: var(--paper); }
.join a { color: var(--paper); text-decoration-color: var(--paper); }
.join a:hover { color: var(--paper); text-decoration-thickness: 3px; }
.join :focus-visible { outline-color: var(--paper); }
.join ul { list-style: none; margin: 0; padding: 0; display: flex; flex-wrap: wrap; gap: 8px 32px; }
.join li::before { content: "→ "; content: "→ " / ""; font-family: var(--mono); }
.join + .site-footer { margin-top: 0; }

/* Tool page: screenshots */
.window { margin: 8px auto 0; max-width: 960px; border: 2px solid var(--rule); background: var(--paper-2); }
.window img { display: block; width: 100%; }

.gallery { display: grid; grid-template-columns: repeat(auto-fit, minmax(min(100%, 300px), 1fr)); gap: 24px; }
.gallery figure { margin: 0; }
.gallery img { display: block; border: 2px solid var(--rule); }
.gallery figcaption { color: var(--muted); font: 13px/1.5 var(--mono); margin-top: 10px; }

/* Tool page: install */
.install { display: grid; grid-template-columns: repeat(auto-fit, minmax(min(100%, 300px), 1fr)); gap: 20px; align-items: stretch; }
.install .card { display: flex; flex-direction: column; padding: 24px; }
.install .card.recommended { box-shadow: 6px 6px 0 var(--signal); }
.install header { display: flex; flex-direction: column; gap: 4px; margin-bottom: 18px; }
.install h3 { font-size: 24px; margin: 0; }
.install .for { color: var(--muted); font-size: 15px; margin: 0; }
.badge { align-self: flex-start; font: 500 12px/1.6 var(--mono); text-transform: uppercase; letter-spacing: .06em; color: var(--muted); margin-bottom: 8px; }
.steps { counter-reset: step; list-style: none; padding: 0; margin: 0 0 22px; display: grid; gap: 12px; }
.steps li { counter-increment: step; position: relative; padding-left: 36px; font-size: 16px; overflow-wrap: anywhere; }
.steps li::before { content: counter(step, decimal-leading-zero); position: absolute; left: 0; top: .1em; font: 600 14px/1.5 var(--mono); color: var(--signal); }
.install .btn { margin-top: auto; width: 100%; }

.note { border-left: 4px solid var(--signal); background: var(--paper-2); padding: 14px 18px; margin: 24px 0 0; }

/* Text pages */
.prose { max-width: 720px; }
.prose h1 { font-size: clamp(34px, 5vw, 48px); }
.prose h2 { margin-top: 40px; font-size: 26px; }
.prose li { margin-bottom: 8px; }
.prose .note { margin: 24px 0; }

@media (max-width: 560px) {
    body { font-size: 16px; }
    .hero { padding-block: 48px 32px; }
    .section { padding-block: 40px; }
    .buttons .btn { width: 100%; }
    .site-header nav { gap: 0 12px; }
}