@font-face {
  font-family: "Cinzel";
  src: url("../fonts/cinzel.woff2") format("woff2");
  font-weight: 400 700;
  font-display: swap;
}
@font-face {
  font-family: "EB Garamond";
  src: url("../fonts/eb-garamond.woff2") format("woff2");
  font-weight: 400 700;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: "EB Garamond";
  src: url("../fonts/eb-garamond-italic.woff2") format("woff2");
  font-weight: 400 700;
  font-style: italic;
  font-display: swap;
}

:root {
  --ox-950: #0e0304;
  --ox-900: #170507;
  --ox-800: #21080c;
  --ox-700: #2d0b10;
  --ox-600: #4a141b;
  --ox-500: #5b1a22;
  --brick: #833938;
  --sky: #d7655a;
  --rose: #f3a895;
  --bone: #f4ebe8;
  --bone-mute: #cfaea8;

  --paper: #f6f3f2;
  --paper-edge: #ddd2d0;
  --paper-rule: #e6dcda;
  --ink: #1d1315;
  --ink-mute: #5e4a4c;
  --rule: #b2242c;
  --num-light: #b48a87;

  --btn: #b8322b;
  --btn-hover: #9f2a24;

  --f-display: "Cinzel", "Trajan Pro", Georgia, serif;
  --f-text: "EB Garamond", Garamond, "Times New Roman", serif;

  --t-body: clamp(1.125rem, 1.03rem + 0.32vw, 1.3rem);
  --line: calc(var(--t-body) * 1.6);
  --t-small: max(1rem, calc(var(--t-body) * 0.86));
  --t-lead: clamp(1.4rem, 1.08rem + 1.05vw, 1.95rem);
  --t-h3: clamp(1.15rem, 1rem + 0.5vw, 1.4rem);
  --t-h2: clamp(1.85rem, 1.25rem + 2.3vw, 3.2rem);

  --gutter: clamp(1rem, 0.4rem + 2.6vw, 2.75rem);
  --rule-x: clamp(1rem, 0.6rem + 1.6vw, 2.25rem);
  --wrap: 1180px;
  --bar-h: 3.75rem;

  color-scheme: dark;
  scrollbar-color: var(--ox-500) var(--ox-950);
}

*, *::before, *::after { box-sizing: border-box; }

html {
  -webkit-text-size-adjust: 100%;
  text-size-adjust: 100%;
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--bar-h) + 1rem);
}
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }

body {
  margin: 0;
  background: var(--ox-900);
  color: var(--bone);
  font-family: var(--f-text);
  font-size: var(--t-body);
  line-height: var(--line);
  font-kerning: normal;
  font-variant-ligatures: common-ligatures;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
  caret-color: var(--sky);
}

body::before {
  content: ""; position: fixed; inset: 0; z-index: -1;
  background:
    linear-gradient(180deg, rgb(23 5 7 / 0.7), rgb(23 5 7 / 0.84)),
    url("../img/mockup-blur.webp") center top / cover no-repeat;
}

::selection { background: var(--sky); color: var(--ox-950); }
.sheet ::selection { background: var(--rule); color: #fff; }

img { display: block; max-width: 100%; height: auto; }
h1, h2, h3 { margin: 0; font-weight: 400; text-wrap: balance; }
p { margin: 0; text-wrap: pretty; }
em { font-style: italic; }

a { color: inherit; text-decoration-thickness: 1px; text-underline-offset: 0.22em; }
a:hover { text-decoration-thickness: 2px; }
:focus-visible { outline: 2px solid var(--rose); outline-offset: 3px; border-radius: 1px; }
.sheet :focus-visible { outline-color: var(--rule); }

.skip {
  position: absolute; left: 1rem; top: -4rem; z-index: 50;
  background: var(--bone); color: var(--ox-900); padding: 0.5rem 1rem;
  font-family: var(--f-display); font-size: 0.9rem; letter-spacing: 0.08em;
}
.skip:focus { top: 0.75rem; }

.wrap { width: min(100% - 2 * var(--gutter), var(--wrap)); margin-inline: auto; }

/* ---------- top bar ---------- */
.bar {
  position: sticky; top: 0; z-index: 20;
  height: var(--bar-h);
  background: color-mix(in srgb, var(--ox-900) 94%, transparent);
  border-bottom: 1px solid var(--ox-600);
}
@supports (backdrop-filter: blur(1px)) {
  .bar { background: color-mix(in srgb, var(--ox-900) 92%, transparent); backdrop-filter: blur(10px) saturate(1.2); }
}
.bar__in { height: 100%; display: flex; align-items: center; gap: clamp(1rem, 2.5vw, 2.25rem); }
.bar__mark {
  font-family: var(--f-display); font-size: 1.05rem; letter-spacing: 0.14em;
  text-decoration: none; color: var(--bone); white-space: nowrap; margin-right: auto;
  padding-block: 0.7rem;
}
.bar__nav { display: flex; gap: clamp(1rem, 2vw, 1.75rem); }
.bar__nav a {
  font-family: var(--f-display); font-size: 0.8rem; letter-spacing: 0.12em;
  text-decoration: none; color: var(--bone-mute); padding-block: 0.75rem;
}
.bar__nav a:hover, .bar__nav a[aria-current="page"] { color: var(--bone); text-decoration: underline; text-decoration-color: var(--sky); }
@media (max-width: 860px) {
  .bar__nav a:not(.bar__keep) { display: none; }
}
@media (max-width: 420px) {
  .bar__mark { font-size: 0.92rem; letter-spacing: 0.1em; }
  .bar__nav { display: none; }
}

/* ---------- buttons ---------- */
.btn {
  display: inline-flex; align-items: baseline; gap: 0.75em;
  background: var(--btn); color: var(--bone);
  font-family: var(--f-display); font-weight: 600; font-size: 0.95rem; letter-spacing: 0.1em;
  text-decoration: none; padding: 1.05rem 1.6rem 0.95rem;
  border: 1px solid color-mix(in srgb, var(--btn) 70%, #fff);
  transition: background-color 0.2s ease, border-color 0.2s ease;
}
.btn:hover { background: var(--btn-hover); text-decoration: none; }
.btn:active { background: #8a231e; }
.btn__price { font-family: var(--f-text); font-weight: 500; font-size: 1.15em; letter-spacing: 0; font-variant-numeric: lining-nums; }
.btn--small { padding: 0.6rem 0.95rem 0.55rem; font-size: 0.82rem; gap: 0.5em; }
.btn--small .btn__price { font-size: 1.1em; }

.read-link {
  font-family: var(--f-display); font-size: 0.92rem; letter-spacing: 0.1em;
  text-decoration: underline; text-decoration-color: var(--sky); text-underline-offset: 0.35em;
  padding-block: 0.75rem;
}
.read-link::after { content: ""; display: inline-block; width: 0.55em; height: 0.55em; margin-left: 0.55em; border-top: 1.5px solid currentColor; border-right: 1.5px solid currentColor; transform: translateY(-0.1em) rotate(45deg); transition: transform 0.2s ease; }
.read-link:hover::after { transform: translate(0.2em, -0.1em) rotate(45deg); }
.sheet .read-link { text-decoration-color: var(--rule); }

/* ---------- ruled pleading margin ---------- */
.ruled { position: relative; padding-left: 1.4rem; }
.ruled::before {
  content: ""; position: absolute; top: 0; bottom: 0; left: 0;
  border-left: 4px double var(--rule);
}
.caption .ruled::before, .on-dark.ruled::before { border-left-color: var(--sky); opacity: 0.75; }

/* ---------- caption (first viewport) ---------- */
.caption {
  padding-block: clamp(1.5rem, 4.5vh, 3.5rem) clamp(2.5rem, 6vh, 4.5rem);
}
.caption__in {
  display: grid; grid-template-columns: minmax(0, 0.82fr) minmax(0, 1fr);
  gap: clamp(2rem, 5vw, 5rem); align-items: center;
}
.caption__cover { margin: 0; justify-self: end; width: min(100%, calc((100svh - var(--bar-h) - 6rem) * 0.655)); }
.caption__cover img { width: 100%; border: 1px solid rgb(244 235 232 / 0.12); }
.caption__sheet { padding-block: calc(var(--line) * 0.5); }
.title { font-family: var(--f-display); line-height: 0.95; color: var(--bone); }
.title__the { display: block; font-size: clamp(1.35rem, 0.6rem + 2.3vw, 2.5rem); letter-spacing: 0.32em; margin-bottom: 0.15em; }
.title__main { display: block; font-size: clamp(3rem, 1.2rem + 5.6vw, 6rem); letter-spacing: 0.03em; margin-left: -0.04em; }
.subtitle {
  margin-top: calc(var(--line) * 0.6);
  font-style: italic; font-size: var(--t-lead); line-height: 1.3; color: var(--rose); max-width: 24ch;
}
.byline {
  margin-top: calc(var(--line) * 0.9);
  font-family: var(--f-display); font-size: clamp(1.55rem, 1.05rem + 1.7vw, 2.5rem); line-height: 1.15; letter-spacing: 0.05em;
}
.byline em { font-family: var(--f-text); font-size: 1.05em; letter-spacing: 0; }
.thesis { margin-top: calc(var(--line) * 1.1); font-size: var(--t-lead); line-height: 1.32; max-width: 30ch; }
.thesis em { color: var(--rose); }
.actions { margin-top: calc(var(--line) * 1.2); display: flex; flex-wrap: wrap; align-items: center; gap: 1rem 2rem; }

@media (max-width: 900px) {
  .caption__in { grid-template-columns: 1fr; }
  .caption__sheet { order: -1; }
  .caption__cover { justify-self: center; width: min(80%, 24rem); }
}
@media (max-width: 520px) {
  .actions .btn { width: 100%; justify-content: center; }
}

/* ---------- sheets (light filed pages) ---------- */
.sheet {
  background: var(--paper); color: var(--ink);
  border: 1px solid var(--paper-edge);
  width: min(100% - 2 * var(--gutter) * 0.6, var(--wrap));
  margin-inline: auto;
  position: relative;
}
.sheet__body { padding: calc(var(--line) * 2) clamp(1.25rem, 4vw, 4rem) calc(var(--line) * 2.5) 0; }
.sheet .ruled { padding-left: calc(var(--rule-x) + clamp(1.1rem, 2.6vw, 2.5rem)); }
.sheet .ruled::before { left: var(--rule-x); }
.band { padding-block: calc(var(--line) * 2.5); }
.band--deep { background: rgb(14 3 4 / 0.35); }

.h2 { font-family: var(--f-display); font-size: var(--t-h2); line-height: 1.08; letter-spacing: 0.02em; }
.h3 { font-family: var(--f-display); font-size: var(--t-h3); line-height: 1.3; letter-spacing: 0.06em; }
.lead { font-size: var(--t-lead); line-height: 1.35; }
.mute { color: var(--ink-mute); }
.on-dark .mute, .band--dark .mute, .band--deep .mute { color: var(--bone-mute); }

/* ---------- the test ---------- */
.test__grid { display: grid; grid-template-columns: minmax(0, 1.25fr) minmax(0, 1fr); gap: calc(var(--line) * 1) clamp(2rem, 5vw, 4.5rem); margin-top: calc(var(--line) * 1.25); }
.epigraph { margin: 0 0 calc(var(--line) * 1.5); max-width: 40ch; }
.epigraph p { font-size: var(--t-lead); line-height: 1.32; }
.epigraph footer { margin-top: 0.5rem; font-style: italic; color: var(--ink-mute); }
.test__copy p + p { text-indent: 1.6em; }
.test__copy p:first-child::first-letter {
  font-family: var(--f-display); float: left; font-size: calc(var(--line) * 2.05); line-height: 0.82;
  padding: 0.08em 0.12em 0 0; color: var(--rule);
}
.methods { margin: 0; padding: 0; list-style: none; border-top: 1px solid var(--paper-rule); }
.methods li { padding-block: calc(var(--line) * 0.55); border-bottom: 1px solid var(--paper-rule); display: grid; grid-template-columns: 2.4rem 1fr; gap: 0.75rem; }
.methods b { font-family: var(--f-display); font-weight: 400; color: var(--rule); font-size: 1rem; letter-spacing: 0.08em; padding-top: 0.1em; }
.methods p { font-size: var(--t-small); line-height: 1.5; }
.methods__head { font-family: var(--f-display); font-size: 0.82rem; letter-spacing: 0.16em; color: var(--ink-mute); margin-bottom: 0.6rem; }
@media (max-width: 860px) { .test__grid { grid-template-columns: 1fr; } }

/* ---------- the dated record ---------- */
.record__head { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: 1.5rem clamp(2rem, 5vw, 4.5rem); align-items: end; }
.record__head .lead { color: var(--bone-mute); max-width: 34ch; }
.record__head .lead strong { color: var(--bone); font-weight: 400; }
.ledger { --year-col: 7.5rem; --what-col: minmax(0, 1.05fr); --track-col: minmax(0, 1fr); margin-top: calc(var(--line) * 2); }
.ledger__group + .ledger__group { margin-top: calc(var(--line) * 2.25); }
.ledger__label { display: grid; grid-template-columns: var(--year-col) var(--what-col) var(--track-col); gap: 1.25rem; align-items: end; padding-bottom: 0.65rem; border-bottom: 1px solid var(--ox-500); }
.ledger__text { grid-column: 1 / 3; }
.ledger__label .scale { grid-column: 3; }
.ledger__label p { font-size: var(--t-small); color: var(--bone-mute); line-height: 1.4; margin-top: 0.3rem; }
.scale { position: relative; height: 2.6rem; align-self: end; }
.scale span { position: absolute; bottom: 0.45rem; transform: translateX(-50%); font-size: 0.85rem; color: var(--bone-mute); font-variant-numeric: lining-nums tabular-nums; white-space: nowrap; }
.scale span:last-child { transform: translateX(-100%); }
.scale .scale__apostles { left: 0; bottom: auto; top: 0; transform: none; font-family: var(--f-display); font-size: 0.8rem; letter-spacing: 0.14em; color: var(--rose); }
.scale::after {
  content: ""; position: absolute; left: 0; right: 0; bottom: 0; height: 0.4rem;
  background: repeating-linear-gradient(90deg, var(--ox-500) 0 1px, transparent 1px 5%);
  border-right: 1px solid var(--ox-500);
}

.rows { list-style: none; margin: 0; padding: 0; }
.row {
  display: grid; grid-template-columns: var(--year-col) var(--what-col) var(--track-col);
  gap: 0.2rem 1.25rem; align-items: center;
  padding-block: 0.85rem; border-bottom: 1px solid var(--ox-600);
}
.row__year { font-size: 1.35rem; line-height: 1.2; font-variant-numeric: lining-nums tabular-nums; color: var(--bone); white-space: nowrap; }
.row__year small { display: block; font-size: 0.8rem; color: var(--bone-mute); letter-spacing: 0.02em; }
.row__what { line-height: 1.3; }
.row__what span { color: var(--bone-mute); font-style: italic; }
.row__who { display: block; font-size: var(--t-small); color: var(--bone-mute); line-height: 1.35; margin-top: 0.15rem; }
.track { position: relative; height: 1.6rem; background: linear-gradient(var(--ox-600), var(--ox-600)) 0 50% / 100% 1px no-repeat; }
.track::before {
  content: ""; position: absolute; top: 0; bottom: 0;
  left: 1.5%; width: 3.5%;
  background: color-mix(in srgb, var(--rose) 22%, transparent);
  border-left: 1px solid color-mix(in srgb, var(--rose) 55%, transparent);
  border-right: 1px solid color-mix(in srgb, var(--rose) 55%, transparent);
}
.track__drift {
  position: absolute; top: 50%; height: 2px; margin-top: -1px;
  left: 5%; width: calc(var(--x) - 5%);
  background: var(--brick);
  transform-origin: left center;
}
.track__span {
  position: absolute; top: 50%; height: 0.55rem; margin-top: -0.275rem;
  left: var(--a); width: max(0.3rem, calc(var(--b) - var(--a)));
  background: var(--sky);
}
.track__mark {
  position: absolute; top: 0.05rem; bottom: 0.05rem; left: var(--x); width: 3px; margin-left: -1.5px;
  background: var(--sky);
}
.row--practice .track__span { background: transparent; border: 1.5px solid var(--sky); }

.can-strike .track__drift { transform: scaleX(0); }
.can-strike .track__mark, .can-strike .track__span { opacity: 0; transform: scaleY(0.2); }
.can-strike .row.is-struck .track__drift { transform: scaleX(1); transition: transform 1.25s cubic-bezier(0.16, 1, 0.3, 1); transition-delay: var(--d, 0s); }
.can-strike .row.is-struck .track__mark,
.can-strike .row.is-struck .track__span { opacity: 1; transform: none; transition: opacity 0.35s ease-out, transform 0.5s cubic-bezier(0.16, 1, 0.3, 1); transition-delay: calc(var(--d, 0s) + 0.8s); }

.verdict { margin-top: calc(var(--line) * 2); font-size: var(--t-lead); line-height: 1.3; font-style: italic; color: var(--rose); max-width: 36ch; }
.verdict cite { display: block; margin-top: 0.4rem; font-size: var(--t-small); font-style: normal; color: var(--bone-mute); }

@media (max-width: 760px) {
  .record__head { grid-template-columns: 1fr; }
  .ledger { --year-col: 5.4rem; }
  .row--practice .row__year { font-size: 1rem; }
  .ledger__label { grid-template-columns: 1fr; }
  .ledger__text, .ledger__label .scale { grid-column: 1; }
  .ledger__label .scale { margin-top: 0.75rem; }
  .row { grid-template-columns: var(--year-col) minmax(0, 1fr); }
  .row .track { grid-column: 1 / -1; margin-top: 0.35rem; }
  .row__year { font-size: 1.15rem; }
  .row { padding-block: 0.7rem 0.5rem; }
  .scale span:nth-child(2) { display: none; }
}

/* catechism count */
.count { margin-top: calc(var(--line) * 3); padding-top: calc(var(--line) * 1.5); border-top: 1px solid var(--ox-500); display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1.2fr); gap: 1.5rem clamp(2rem, 5vw, 4.5rem); }
.count p { color: var(--bone-mute); }
.count p + p { margin-top: calc(var(--line) * 0.6); }
.count p strong { color: var(--bone); font-weight: 500; }
.bar-chart { margin: 0; }
.bar-chart__bar { display: flex; height: 3.25rem; border: 1px solid var(--ox-500); }
.bar-chart__bar span { display: block; height: 100%; }
.bar-chart__bar .s1 { width: 44%; background: var(--bone); }
.bar-chart__bar .s2 { width: 26.9%; background: var(--brick); }
.bar-chart__bar .s3 { flex: 1; background: repeating-linear-gradient(135deg, var(--ox-600) 0 6px, var(--ox-700) 6px 12px); }
.bar-chart dl { margin: 1rem 0 0; display: grid; gap: 0.55rem; }
.bar-chart dl div { display: grid; grid-template-columns: 1rem 5.5rem 1fr; gap: 0.75rem; align-items: baseline; font-size: var(--t-small); line-height: 1.35; }
.bar-chart dl i { width: 0.85rem; height: 0.85rem; display: block; align-self: center; border: 1px solid var(--ox-500); }
.bar-chart dt { font-variant-numeric: lining-nums tabular-nums; color: var(--bone); }
.bar-chart dd { margin: 0; color: var(--bone-mute); }
.bar-chart figcaption { margin-top: 0.9rem; font-size: 0.95rem; color: var(--bone-mute); font-style: italic; }
@media (max-width: 760px) { .count { grid-template-columns: 1fr; } .bar-chart dl div { grid-template-columns: 1rem 4.5rem 1fr; } }

/* ---------- contents ---------- */
.contents__grid { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: calc(var(--line) * 1.5) clamp(2rem, 5vw, 4.5rem); margin-top: calc(var(--line) * 1.5); }
.toc { list-style: none; margin: 0.6rem 0 0; padding: 0; }
.toc li { display: flex; align-items: baseline; gap: 0.5rem; padding-block: 0.4rem; line-height: 1.35; }
.toc__t b { font-weight: 400; font-family: var(--f-display); font-size: 0.8rem; letter-spacing: 0.12em; color: var(--rule); margin-right: 0.45rem; white-space: nowrap; }
.toc__dots { flex: 1 1 2rem; min-width: 1.5rem; border-bottom: 1.5px dotted var(--num-light); transform: translateY(-0.3em); }
.toc__p { font-variant-numeric: lining-nums tabular-nums; color: var(--ink-mute); font-size: var(--t-small); }

.qa__intro { margin: 0.6rem 0 1rem; color: var(--ink-mute); }
.qa details { border-top: 1px solid var(--paper-rule); }
.qa details:last-of-type { border-bottom: 1px solid var(--paper-rule); }
.qa summary {
  list-style: none; cursor: pointer; display: grid; grid-template-columns: 1fr auto 1rem; gap: 0.75rem; align-items: baseline;
  padding-block: 0.6rem; line-height: 1.35;
}
.qa summary::-webkit-details-marker { display: none; }
.qa summary .n { font-size: var(--t-small); color: var(--ink-mute); font-variant-numeric: lining-nums tabular-nums; white-space: nowrap; }
.qa summary::after { content: ""; width: 0.5rem; height: 0.5rem; border-right: 1.5px solid var(--rule); border-bottom: 1.5px solid var(--rule); transform: translateY(-0.2em) rotate(45deg); transition: transform 0.2s ease; justify-self: center; }
.qa details[open] summary::after { transform: translateY(0.05em) rotate(-135deg); }
.qa summary:hover { color: var(--rule); }
.qa ol { margin: 0 0 0.9rem; padding: 0; list-style: none; }
.qa ol li { display: grid; grid-template-columns: 3rem 1fr; gap: 0.5rem; font-size: var(--t-small); line-height: 1.45; padding-block: 0.22rem; }
.qa ol li b { font-weight: 400; color: var(--rule); font-variant-numeric: lining-nums tabular-nums; }

.appx { margin-top: calc(var(--line) * 2); }
.appx__list { list-style: none; margin: 1rem 0 0; padding: 0; columns: 2; column-gap: clamp(2rem, 5vw, 4.5rem); }
.appx__list li { break-inside: avoid; display: grid; grid-template-columns: 2.6rem 1fr; gap: 0.9rem; align-items: start; padding-block: 0.55rem; border-top: 1px solid var(--paper-rule); line-height: 1.35; }
.tab {
  display: grid; place-items: center; width: 2.1rem; height: 2.5rem;
  font-family: var(--f-display); font-size: 1rem; color: var(--paper); background: var(--rule);
  border-radius: 0 0.3rem 0.3rem 0;
}
.appx__list .toc__p { display: block; margin-top: 0.1rem; }
.backmatter { margin-top: calc(var(--line) * 1.5); color: var(--ink-mute); font-size: var(--t-small); }
@media (max-width: 860px) { .contents__grid { grid-template-columns: 1fr; } .appx__list { columns: 1; } }

/* ---------- testimony ---------- */
.statements { margin-top: calc(var(--line) * 1.5); display: grid; gap: calc(var(--line) * 2); }
.statement { margin: 0; display: grid; grid-template-columns: minmax(0, 0.28fr) minmax(0, 1fr); gap: 1rem clamp(2rem, 5vw, 4.5rem); padding-top: calc(var(--line) * 1); border-top: 1px solid var(--ox-500); }
.statement figcaption { font-size: var(--t-small); line-height: 1.4; color: var(--bone-mute); }
.statement figcaption strong { display: block; font-family: var(--f-display); font-weight: 400; font-size: 1rem; letter-spacing: 0.08em; color: var(--bone); margin-bottom: 0.3rem; }
.statement figcaption span { display: block; }
.statement blockquote { margin: 0; }
.statement blockquote p { font-size: var(--t-lead); line-height: 1.38; font-style: italic; max-width: 46ch; }
.statement blockquote p em { font-style: normal; }
.statement blockquote p + p { margin-top: calc(var(--line) * 0.6); font-size: var(--t-body); line-height: 1.55; font-style: normal; max-width: 62ch; }
.statement blockquote p + p em { font-style: italic; }
@media (max-width: 760px) { .statement { grid-template-columns: 1fr; } .statement figcaption { order: 2; } }

/* ---------- author ---------- */
.author__grid { display: grid; grid-template-columns: minmax(0, 15rem) minmax(0, 1fr); gap: calc(var(--line) * 1) clamp(2rem, 5vw, 4rem); margin-top: calc(var(--line) * 1.5); align-items: start; }
.author__photo { margin: 0; }
.author__photo img { width: 100%; aspect-ratio: 1; object-fit: cover; border: 1px solid var(--paper-edge); }
.author__bio { max-width: 60ch; }
.author__bio p + p { margin-top: calc(var(--line) * 0.75); }
.author__bio .name { font-family: var(--f-display); letter-spacing: 0.06em; }
.excerpt { margin: calc(var(--line) * 1.25) 0 0; padding-left: 1.25rem; border-left: 1px solid var(--rule); }
.excerpt p { font-style: italic; }
.excerpt footer { margin-top: 0.75rem; }
@media (max-width: 760px) { .author__grid { grid-template-columns: 1fr; } .author__photo { width: min(60%, 14rem); } }

/* ---------- buy ---------- */
.buy { padding-block: calc(var(--line) * 3); background: rgb(14 3 4 / 0.35); border-top: 1px solid var(--ox-600); }
.buy__in { display: grid; grid-template-columns: minmax(0, 0.55fr) minmax(0, 1fr); gap: calc(var(--line) * 1.5) clamp(2rem, 6vw, 5.5rem); align-items: center; }
.buy__cover { justify-self: end; width: min(100%, 22rem); border: 1px solid var(--ox-500); }
.price { margin-top: calc(var(--line) * 0.5); font-size: clamp(2.6rem, 1.8rem + 2.6vw, 3.8rem); line-height: 1; font-variant-numeric: lining-nums; }
.price small { font-size: max(1rem, 0.38em); color: var(--bone-mute); margin-left: 0.35em; font-style: italic; }
.specs { margin: calc(var(--line) * 1) 0 0; display: grid; grid-template-columns: max-content 1fr; gap: 0.35rem 1.5rem; font-size: var(--t-small); line-height: 1.4; max-width: 34rem; border-top: 1px solid var(--ox-600); padding-top: calc(var(--line) * 0.6); }
.specs dt { font-family: var(--f-display); font-size: 0.8rem; letter-spacing: 0.14em; color: var(--bone-mute); padding-top: 0.28em; }
.specs dd { margin: 0; font-variant-numeric: lining-nums; }
.buy .actions { margin-top: calc(var(--line) * 1.25); }
.fine { margin-top: 0.9rem; font-size: 0.98rem; line-height: 1.45; color: var(--bone-mute); max-width: 40ch; }
@media (max-width: 760px) { .buy__in { grid-template-columns: 1fr; } .buy__cover { justify-self: start; width: min(55%, 14rem); } }

/* ---------- footer ---------- */
.foot { background: rgb(14 3 4 / 0.82); color: var(--bone-mute); padding-block: calc(var(--line) * 2); font-size: 0.98rem; line-height: 1.5; }
.foot__in { display: grid; grid-template-columns: auto 1fr auto; gap: 1.25rem 2rem; align-items: center; }
.foot__seal { width: 4.5rem; height: 4.5rem; }
.foot nav { display: flex; flex-wrap: wrap; gap: 0.5rem 1.5rem; }
.foot nav a { font-family: var(--f-display); font-size: 0.8rem; letter-spacing: 0.12em; text-decoration: none; color: var(--bone); padding-block: 0.75rem; }
.foot nav a:hover { text-decoration: underline; text-decoration-color: var(--sky); }
.foot .legal { grid-column: 1 / -1; font-size: 0.9rem; border-top: 1px solid var(--ox-700); padding-top: 1rem; }
@media (max-width: 640px) { .foot__in { grid-template-columns: auto 1fr; } .foot nav { grid-column: 1 / -1; } }

/* ---------- reading page ---------- */
.reading { padding-block: calc(var(--line) * 1.5) calc(var(--line) * 3); }
.reading .sheet__body { padding-top: calc(var(--line) * 2.5); }
.reading__head { max-width: 38rem; }
.reading__head .h2 { font-size: clamp(1.8rem, 1.2rem + 3vw, 3.6rem); }
.reading__head p { margin-top: calc(var(--line) * 0.5); color: var(--ink-mute); font-style: italic; }
.reading__head .reading__by { margin-top: 0.15rem; font-style: normal; color: var(--ink); }
.prose { max-width: 66ch; margin-top: calc(var(--line) * 1.75); hyphens: auto; -webkit-hyphens: auto; }
.prose p + p { text-indent: 1.6em; }
.prose p:first-child::first-letter {
  font-family: var(--f-display); float: left; font-size: calc(var(--line) * 2.05); line-height: 0.82;
  padding: 0.08em 0.14em 0 0; color: var(--rule);
}
.signature { margin-top: calc(var(--line) * 1.25); text-align: right; max-width: 66ch; line-height: 1.4; }
.signature em { display: block; }
.continue { margin-top: calc(var(--line) * 2.5); padding-top: calc(var(--line) * 1.25); border-top: 1px solid var(--paper-rule); max-width: 66ch; }
.continue .actions { margin-top: calc(var(--line) * 0.9); }
.continue .btn { color: var(--paper); }
.notice { margin-top: calc(var(--line) * 2); font-size: 0.88rem; line-height: 1.45; color: var(--ink-mute); max-width: 66ch; }

/* ---------- thank you / 404 ---------- */
.plain { min-height: calc(100svh - var(--bar-h) - 10rem); display: grid; align-items: center; padding-block: calc(var(--line) * 3); }
.plain__in { display: grid; grid-template-columns: minmax(0, 12rem) minmax(0, 1fr); gap: 2rem clamp(2rem, 5vw, 4rem); align-items: center; }
.plain__in img { border: 1px solid var(--ox-500); }
.plain p { margin-top: calc(var(--line) * 0.75); color: var(--bone-mute); max-width: 46ch; }
.plain .actions { margin-top: calc(var(--line) * 1.25); }
@media (max-width: 640px) { .plain__in { grid-template-columns: minmax(0, 1fr); } .plain__in img { width: 9rem; } }
@media (max-width: 480px) {
  .specs { grid-template-columns: minmax(0, 1fr); gap: 0; }
  .specs dt { padding-top: 0.65rem; }
  .specs dd { overflow-wrap: anywhere; }
}

/* ---------- contact form ---------- */
.sheet, .checkout { color-scheme: light; }
.form { margin-top: calc(var(--line) * 1.5); max-width: 44rem; display: grid; gap: calc(var(--line) * 1.1); }
.field { display: grid; gap: 0.6rem; margin: 0; padding: 0; border: 0; min-width: 0; }
.field__label { font-family: var(--f-display); font-size: 1rem; letter-spacing: 0.1em; color: var(--ink); padding: 0; }
.input {
  width: 100%; font: inherit; font-size: clamp(1.15rem, 1.05rem + 0.4vw, 1.35rem); line-height: 1.4; color: var(--ink);
  background: #fff; border: 1.5px solid #c9b9b6; border-radius: 0; padding: 1rem 1.1rem; min-height: 3.6rem;
}
.input:focus { outline: 2px solid var(--rule); outline-offset: 0; border-color: var(--rule); }
.input[aria-invalid="true"] { border-color: var(--rule); }
textarea.input { min-height: 14rem; resize: vertical; line-height: 1.55; }
.chips__row { display: flex; flex-wrap: wrap; gap: 0.65rem; }
.chip { position: relative; }
.chip input { position: absolute; inset: 0; opacity: 0; margin: 0; cursor: pointer; }
.chip span {
  display: inline-flex; align-items: center; min-height: 3.4rem; padding: 0.6rem 1.25rem;
  background: #fff; border: 1.5px solid #c9b9b6; font-size: clamp(1.05rem, 1rem + 0.3vw, 1.2rem); color: var(--ink);
}
.chip:hover span { border-color: var(--num-light); }
.chip input:checked + span { background: var(--rule); border-color: var(--rule); color: #fff; }
.chip input:focus-visible + span { outline: 2px solid var(--rule); outline-offset: 2px; }
.hp { position: absolute; left: -10000px; width: 1px; height: 1px; overflow: hidden; }
.form__actions { display: flex; flex-wrap: wrap; align-items: center; gap: 1rem 1.5rem; }
.form .btn { color: var(--paper); cursor: pointer; font-size: 1.05rem; padding: 1.15rem 2rem 1.05rem; }
.form .btn:disabled { opacity: 0.6; cursor: progress; }
.form__status { font-size: var(--t-body); line-height: 1.45; }
.form__status[data-state="ok"] { color: #1f6b3a; }
.form__status[data-state="error"] { color: var(--rule); }
@media (max-width: 520px) { .form .btn { width: 100%; justify-content: center; } }

/* ---------- checkout popup ---------- */
.is-locked { overflow: hidden; }
.checkout {
  width: min(100% - 2rem, 34rem); max-height: min(92svh, 60rem);
  padding: 0; border: 1px solid var(--paper-edge); background: #fff; color: var(--ink);
  overflow: hidden;
}
.checkout[open] { display: flex; animation: checkout-in 0.24s cubic-bezier(0.16, 1, 0.3, 1); }
.checkout::backdrop { background: rgb(14 3 4 / 0.72); backdrop-filter: blur(4px); }
.checkout ::selection { background: var(--rule); color: #fff; }
.checkout :focus-visible { outline-color: var(--rule); }
.checkout__panel { display: flex; flex-direction: column; width: 100%; }
.checkout__head {
  display: grid; grid-template-columns: 2.6rem 1fr auto; gap: 0.9rem; align-items: center;
  padding: 0.85rem 0.75rem 0.85rem 1.25rem; border-bottom: 1px solid var(--paper-rule);
}
.checkout__head img { width: 2.6rem; border: 1px solid var(--paper-edge); }
.checkout__title { font-family: var(--f-display); font-size: 1.15rem; letter-spacing: 0.06em; line-height: 1.2; }
.checkout__meta { font-size: 1rem; line-height: 1.3; color: var(--ink-mute); font-variant-numeric: lining-nums; }
.checkout__close {
  width: 2.75rem; height: 2.75rem; display: grid; place-items: center;
  background: none; border: 0; color: var(--ink-mute); cursor: pointer;
}
.checkout__close:hover { color: var(--ink); }
.checkout__close svg { width: 1.25rem; height: 1.25rem; fill: none; stroke: currentColor; stroke-width: 1.75; stroke-linecap: round; }
.checkout__body { overflow-y: auto; overscroll-behavior: contain; min-height: 12rem; }
.checkout__status { display: grid; justify-items: center; gap: 1.1rem; padding: 3.25rem 1.5rem; text-align: center; color: var(--ink-mute); }
.checkout__status[hidden] { display: none; }
.checkout__status .btn { color: var(--paper); }
.checkout__spinner { width: 1.6rem; height: 1.6rem; border-radius: 50%; border: 2px solid var(--paper-rule); border-top-color: var(--rule); animation: checkout-spin 0.8s linear infinite; }
@keyframes checkout-spin { to { transform: rotate(360deg); } }
@keyframes checkout-in { from { opacity: 0; transform: translateY(0.75rem); } }
@media (max-width: 520px) {
  .checkout { width: 100%; max-width: none; max-height: 94svh; margin: auto 0 0; border-inline: 0; border-bottom: 0; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { transition-duration: 0.01ms !important; animation-duration: 0.01ms !important; }
}

.visually-hidden {
  position: absolute !important; width: 1px; height: 1px; padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0;
}