/* Layout: a private deed. One reading column with a narrow margin for marginal labels, bookcloth green and a single wax-seal red. */
:root {
  --paper: #eef0eb;
  --paper-2: #e2e6df;
  --ink: #1b2620;
  --ink-soft: #4b5851;
  --rule: #c3cbc2;
  --cloth: #24493c;
  --cloth-ink: #f3f5f1;
  --seal: #8a2b2b;
  --ph-bg: #f2e3a6;
  --ph-ink: #3d3207;
  --display: "Libre Caslon Display", "Libre Caslon Text", Georgia, "Times New Roman", serif;
  --body: "Literata", Georgia, "Times New Roman", serif;
  --label: "Libre Franklin", "Helvetica Neue", Arial, sans-serif;
  --measure: 66ch;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --paper: #111714; --paper-2: #18201c; --ink: #e6e9e3; --ink-soft: #a7b1a9; --rule: #2f3b34;
    --cloth: #8fc0a8; --cloth-ink: #0f1512; --seal: #d4766a; --ph-bg: #5b4b12; --ph-ink: #fff3c6;
    color-scheme: dark;
  }
}
:root[data-theme="dark"] {
  --paper: #111714; --paper-2: #18201c; --ink: #e6e9e3; --ink-soft: #a7b1a9; --rule: #2f3b34;
  --cloth: #8fc0a8; --cloth-ink: #0f1512; --seal: #d4766a; --ph-bg: #5b4b12; --ph-ink: #fff3c6;
  color-scheme: dark;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } * { transition: none !important; } }
body {
  margin: 0; background: var(--paper); color: var(--ink);
  font-family: var(--body); font-size: 1.1875rem; line-height: 1.62;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; height: auto; }
a { color: var(--cloth); text-underline-offset: 3px; text-decoration-thickness: 1px; }
a:hover { text-decoration-thickness: 2px; }
:focus-visible { outline: 3px solid var(--seal); outline-offset: 3px; border-radius: 2px; }
h1, h2 { font-family: var(--display); font-weight: 400; line-height: 1.08; text-wrap: balance; margin: 0; letter-spacing: -0.005em; }
h1 { font-size: clamp(2.5rem, 5.6vw, 4.4rem); }
h2 { font-size: clamp(1.85rem, 3.4vw, 2.7rem); }
h3 { font-family: var(--body); font-weight: 600; font-size: 1.2rem; line-height: 1.3; margin: 0; text-wrap: balance; }
p { margin: 0; }
.wrap { max-width: 1120px; margin-inline: auto; padding-inline: clamp(16px, 4vw, 44px); }
.label { font-family: var(--label); font-weight: 600; font-size: 0.74rem; letter-spacing: 0.14em; text-transform: uppercase; color: var(--ink-soft); }
.lede { font-size: 1.3rem; line-height: 1.55; color: var(--ink-soft); max-width: 46ch; }
.prose { display: grid; gap: 1.05em; max-width: var(--measure); }
.muted { color: var(--ink-soft); }
.small { font-size: 0.92rem; }
mark.ph { background: var(--ph-bg); color: var(--ph-ink); padding: 0.05em 0.3em; border-radius: 3px; font-family: var(--label); font-size: 0.85em; font-weight: 500; }

/* draft bar + header */
.draftbar { background: var(--ink); color: var(--paper); font-family: var(--label); font-size: 0.82rem; }
.draftbar .wrap { padding-block: 8px; display: flex; gap: 12px; flex-wrap: wrap; align-items: center; justify-content: space-between; }
.draftbar mark.ph { font-size: 0.8rem; }
header.site { position: sticky; top: env(safe-area-inset-top, 0px); z-index: 10; background: var(--paper); border-bottom: 1px solid var(--rule); }
header.site .wrap { display: flex; align-items: center; justify-content: space-between; gap: 16px; padding-block: 14px; }
.brand { display: flex; align-items: center; gap: 12px; text-decoration: none; color: var(--ink); }
.seal { width: 42px; height: 42px; border-radius: 50%; background: var(--seal); color: var(--paper); display: grid; place-items: center; font-family: var(--display); font-size: 1.55rem; line-height: 1; flex: none; box-shadow: inset 0 0 0 3px color-mix(in srgb, var(--paper) 18%, transparent); }
.wordmark { display: grid; line-height: 1; }
.wordmark b { font-family: var(--display); font-weight: 400; font-size: 1.55rem; }
.wordmark b span { color: var(--seal); }
.wordmark small { font-family: var(--label); font-size: 0.62rem; letter-spacing: 0.24em; text-transform: uppercase; color: var(--ink-soft); margin-top: 5px; }
nav.main ul { list-style: none; display: flex; gap: 4px 22px; margin: 0; padding: 0; align-items: center; flex-wrap: wrap; }
nav.main a { font-family: var(--label); font-weight: 500; font-size: 0.92rem; color: var(--ink); text-decoration: none; padding-block: 6px; }
nav.main a[aria-current="page"] { box-shadow: inset 0 -2px 0 var(--seal); }
.menu-btn { display: none; font-family: var(--label); font-weight: 600; font-size: 0.9rem; background: transparent; color: var(--ink); border: 1px solid var(--rule); border-radius: 999px; padding: 8px 16px; cursor: pointer; }
@media (max-width: 960px) {
  .menu-btn { display: inline-block; }
  nav.main { position: absolute; left: 0; right: 0; top: 100%; background: var(--paper); border-bottom: 1px solid var(--rule); }
  nav.main ul { flex-direction: column; align-items: flex-start; gap: 0; padding: 8px clamp(16px, 4vw, 44px) 18px; }
  nav.main li { width: 100%; }
  nav.main a { display: block; padding-block: 11px; font-size: 1.05rem; }
}

/* buttons */
.btn { display: inline-block; font-family: var(--label); font-weight: 600; font-size: 1rem; text-decoration: none; padding: 14px 24px; border-radius: 999px; background: var(--cloth); color: var(--cloth-ink); border: 1px solid var(--cloth); cursor: pointer; }
.btn:hover { filter: brightness(1.08); }
.btn.ghost { background: transparent; color: var(--ink); border-color: var(--ink-soft); }
.btn-row { display: flex; gap: 12px; flex-wrap: wrap; }
nav.main .btn { color: var(--cloth-ink); padding: 10px 18px; }

/* page system */
main > section.page { padding-block: 0 72px; }
.hero { padding-block: clamp(40px, 7vw, 88px) clamp(28px, 4vw, 48px); display: grid; gap: 28px; }
.hero .label { color: var(--seal); }
.sec { display: grid; grid-template-columns: 190px minmax(0, 1fr); gap: 18px 40px; padding-block: 48px; border-top: 1px solid var(--rule); }
.sec > .margin { padding-top: 6px; }
.sec > .body { min-width: 0; display: grid; gap: 24px; align-content: start; }
@media (max-width: 760px) { .sec { grid-template-columns: minmax(0, 1fr); padding-block: 36px; } }
figure { margin: 0; display: grid; gap: 8px; }
figure img { border-radius: 4px; width: 100%; object-fit: cover; }
figcaption { font-family: var(--label); font-size: 0.78rem; color: var(--ink-soft); }
.hero-figure img { aspect-ratio: 16 / 8; }
.split { display: grid; grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr); gap: 40px; align-items: start; }
@media (max-width: 860px) { .split { grid-template-columns: minmax(0, 1fr); } }

/* the problem lines */
.lines { display: grid; gap: 18px; max-width: 44ch; font-family: var(--display); font-size: clamp(1.45rem, 2.6vw, 1.9rem); line-height: 1.25; }
.lines p:last-child { color: var(--seal); }

.lede-group { display: grid; gap: 10px; }
.lede.strong { color: var(--ink); }

/* generations: a true sequence; the top rule fades from seal red to the page rule */
ol.gens { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 24px; }
@media (max-width: 760px) { ol.gens { grid-template-columns: minmax(0, 1fr); } }
ol.gens li { display: grid; gap: 8px; align-content: start; padding-top: 14px; border-top: 3px solid var(--seal); }
ol.gens li:nth-child(2) { border-top-color: var(--ink-soft); }
ol.gens li:nth-child(3) { border-top: 3px dashed var(--rule); }
ol.gens .g-line { font-family: var(--display); font-size: 1.45rem; line-height: 1.2; }
ol.gens .g-note { font-size: 0.95rem; color: var(--ink-soft); }

/* method trio */
.trio { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 28px; }
@media (max-width: 760px) { .trio { grid-template-columns: minmax(0, 1fr); gap: 22px; } }
.trio > div { display: grid; gap: 8px; align-content: start; border-top: 2px solid var(--ink); padding-top: 14px; }
.trio h3 { font-family: var(--display); font-weight: 400; font-size: 1.6rem; }

/* the ladder */
.ladder { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 20px; }
@media (max-width: 860px) { .ladder { grid-template-columns: minmax(0, 1fr); } }
.rung { border: 1px solid var(--rule); border-radius: 6px; padding: 26px 24px; display: grid; grid-template-rows: auto auto 1fr auto auto; gap: 12px; background: var(--paper); }
.rung.core { border-color: var(--cloth); box-shadow: 0 0 0 1px var(--cloth); }
.rung h3 { font-family: var(--display); font-weight: 400; font-size: 1.75rem; line-height: 1.1; }
.rung .price { font-family: var(--label); font-weight: 600; font-size: 1.05rem; font-variant-numeric: tabular-nums; }
.rung .price span { font-weight: 500; color: var(--ink-soft); font-size: 0.85rem; }
.ladder-note { font-size: 0.95rem; color: var(--ink-soft); }

.ladder.two-up { grid-template-columns: repeat(2, minmax(0, 1fr)); max-width: 900px; }
@media (max-width: 760px) { .ladder.two-up { grid-template-columns: minmax(0, 1fr); } }

/* steps (a real sequence) */
ol.steps { list-style: none; margin: 0; padding: 0; display: grid; gap: 0; counter-reset: step; max-width: var(--measure); }
ol.steps li { counter-increment: step; display: grid; grid-template-columns: 3.2rem minmax(0, 1fr); gap: 4px 16px; padding-block: 18px; border-bottom: 1px solid var(--rule); }
ol.steps li::before { content: counter(step); font-family: var(--display); font-size: 2rem; line-height: 1; color: var(--seal); grid-row: span 2; }
ol.steps li strong { font-weight: 600; }

ul.plain { margin: 0; padding-left: 1.1em; display: grid; gap: 8px; max-width: var(--measure); }
ul.plain li::marker { color: var(--seal); }

/* founder letter */
.letter { display: grid; gap: 1em; max-width: 62ch; }
.letter h2 { margin-bottom: 0.3em; }
.sig { font-family: var(--display); font-style: italic; font-size: 1.7rem; margin-top: 0.4em; }
.portrait img { aspect-ratio: 4 / 5; object-fit: cover; }

/* title-page preview */
.tp { display: grid; grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr); gap: 32px; align-items: center; }
@media (max-width: 760px) { .tp { grid-template-columns: minmax(0, 1fr); } }
.tp-form { display: grid; gap: 14px; }
label.f { display: grid; gap: 6px; font-family: var(--label); font-weight: 500; font-size: 0.9rem; }
input.f, select.f, textarea.f { font: inherit; font-size: 1.05rem; padding: 12px 14px; border: 1px solid var(--ink-soft); border-radius: 6px; background: var(--paper); color: var(--ink); width: 100%; }
textarea.f { min-height: 120px; resize: vertical; }
.titlepage { background: var(--paper-2); border-radius: 4px; padding: clamp(28px, 5vw, 56px) clamp(20px, 4vw, 44px); text-align: center; display: grid; gap: 14px; justify-items: center; border: 1px solid var(--rule); aspect-ratio: 5 / 6; align-content: center; max-width: 440px; width: 100%; justify-self: center; }
.titlepage .t-series { font-family: var(--label); font-size: 0.7rem; letter-spacing: 0.26em; text-transform: uppercase; color: var(--ink-soft); }
.titlepage .t-of { font-family: var(--display); font-style: italic; font-size: 1.1rem; color: var(--ink-soft); }
.titlepage .t-name { font-family: var(--display); font-size: clamp(1.8rem, 4vw, 2.5rem); line-height: 1.1; overflow-wrap: anywhere; }
.titlepage .t-built { font-family: var(--body); font-style: italic; font-size: 1.05rem; max-width: 26ch; overflow-wrap: anywhere; }
.titlepage .t-rule { width: 56px; height: 1px; background: var(--seal); }
.titlepage .t-imprint { font-family: var(--label); font-size: 0.72rem; letter-spacing: 0.2em; text-transform: uppercase; color: var(--ink-soft); }
.example-tag { font-family: var(--label); font-size: 0.78rem; color: var(--ink-soft); }

/* price box, faq, forms */
.pricebox { border-left: 3px solid var(--cloth); padding: 6px 0 6px 18px; display: grid; gap: 6px; max-width: var(--measure); }
.pricebox .amt { font-family: var(--display); font-size: 2.1rem; line-height: 1.1; font-variant-numeric: tabular-nums; }
details.q { border-bottom: 1px solid var(--rule); padding-block: 4px; max-width: var(--measure); }
details.q summary { cursor: pointer; padding-block: 14px; font-weight: 500; list-style: none; display: flex; justify-content: space-between; gap: 16px; }
details.q summary::-webkit-details-marker { display: none; }
details.q summary::after { content: "+"; font-family: var(--display); font-size: 1.5rem; line-height: 1; color: var(--seal); }
details.q[open] summary::after { content: "–"; }
details.q p { padding-bottom: 16px; color: var(--ink-soft); }
form.card { display: grid; gap: 16px; max-width: 640px; }
.two { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 16px; }
@media (max-width: 600px) { .two { grid-template-columns: minmax(0, 1fr); } }
.check { display: flex; gap: 10px; align-items: flex-start; font-size: 0.95rem; }
.check input { margin-top: 6px; width: 18px; height: 18px; flex: none; }
.status { font-family: var(--label); font-size: 0.95rem; color: var(--cloth); min-height: 1.4em; }
.band { background: var(--paper-2); border-radius: 6px; padding: clamp(24px, 4vw, 40px); display: grid; gap: 16px; }
.essays { display: grid; gap: 0; max-width: 760px; }
.essays li { list-style: none; display: grid; grid-template-columns: 2.4rem minmax(0, 1fr); gap: 4px 14px; padding-block: 16px; border-bottom: 1px solid var(--rule); }
.essays li span.n { font-family: var(--display); color: var(--seal); font-size: 1.4rem; line-height: 1.2; }
.essays { padding: 0; margin: 0; }
.essays em { color: var(--ink-soft); font-size: 0.95rem; }
.sketch { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 10px 28px; max-width: var(--measure); }
@media (max-width: 600px) { .sketch { grid-template-columns: minmax(0, 1fr); } }
.sketch div { border-top: 1px solid var(--rule); padding-top: 8px; font-size: 0.98rem; }
.sketch b { font-family: var(--label); font-size: 0.74rem; letter-spacing: 0.12em; text-transform: uppercase; display: block; color: var(--ink-soft); }

/* footer */
footer.site { border-top: 1px solid var(--rule); background: var(--paper-2); }
footer.site .wrap { padding-block: 40px; display: grid; grid-template-columns: minmax(0, 1.3fr) repeat(2, minmax(0, 1fr)); gap: 28px; }
@media (max-width: 760px) { footer.site .wrap { grid-template-columns: minmax(0, 1fr); } }
footer.site ul { list-style: none; margin: 0; padding: 0; display: grid; gap: 8px; font-family: var(--label); font-size: 0.92rem; }
footer.site a { color: var(--ink); }
footer.site p { font-size: 0.95rem; color: var(--ink-soft); }
.legal { font-family: var(--label); font-size: 0.82rem; color: var(--ink-soft); }

[hidden] { display: none !important; }
.skip { position: absolute; left: -9999px; top: 0; background: var(--ink); color: var(--paper); padding: 10px 16px; z-index: 50; }
.skip:focus { left: 16px; top: 16px; }