/* ==========================================================================
   kalpanadatta.com — Base system
   Archival / editorial visual language
   Palette: parchment, ink, oxblood, brass, stone
   ========================================================================== */

/* ---------- 1. Tokens ---------- */
:root {
  /* Surfaces */
  --paper:        #f3ece0;
  --paper-warm:   #eee5d5;
  --paper-deep:   #e4d9c4;
  --mount:        #ded2ba;

  /* Ink */
  --ink:          #16110d;
  --ink-soft:     #33291f;
  --ink-mute:     #5d5245;
  --ink-faint:    #665b4d;

  /* Night surfaces */
  --night:        #14100c;
  --night-2:      #1d1712;
  --night-3:      #2a221a;
  --night-text:   #e8ded0;
  --night-mute:   #b3a692;

  /* Accents.
     Each accent has a light-surface and a dark-surface variant, because a
     single mid-tone cannot clear WCAG AA against both parchment and ink.
       --brass         decorative only, or text on dark surfaces
       --brass-ink     brass as text on any paper surface   (>= 4.7:1)
       --brass-lt      brass as text on any night surface   (>= 8:1)
       --oxblood       text on paper surfaces               (>= 8:1)
       --oxblood-lt    decorative only on dark surfaces
       --oxblood-br    oxblood as text on any night surface (>= 5:1)  */
  --oxblood:      #7c2318;
  --oxblood-lt:   #9c3527;
  --oxblood-br:   #cf6f5c;
  --brass:        #a37f38;
  --brass-ink:    #74581f;
  --brass-lt:     #cda75f;
  --stone:        #8d8578;

  /* Lines */
  --rule:         #cabfa8;
  --rule-soft:    #d9cfba;
  --rule-night:   #3a3128;

  /* Type */
  --display: "Bodoni Moda", "Didot", "Times New Roman", serif;
  --body:    "Inter", "Segoe UI", system-ui, -apple-system, sans-serif;
  --mono:    "IBM Plex Mono", "SFMono-Regular", Consolas, monospace;

  /* Rhythm */
  --shell:   min(1360px, 100% - 2 * var(--gut));
  --gut:     clamp(1.15rem, 4.2vw, 4.5rem);
  --read:    min(68ch, 100%);
  --sec-y:   clamp(4.25rem, 10vw, 9.5rem);

  /* Motion */
  --ease:    cubic-bezier(.22,.61,.36,1);
  --slow:    .85s;
}

/* ---------- 2. Reset ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body, h1, h2, h3, h4, h5, p, figure, blockquote, dl, dd, ul, ol { margin: 0; padding: 0; }
ul[class], ol[class] { list-style: none; }
img, svg, video { display: block; max-width: 100%; }
img { height: auto; }
button, input, select, textarea { font: inherit; color: inherit; }
a { color: inherit; }

html {
  scroll-behavior: smooth;
  scroll-padding-top: 6.5rem;
}

body {
  font-family: var(--body);
  font-size: clamp(1rem, .96rem + .22vw, 1.09rem);
  line-height: 1.72;
  color: var(--ink-soft);
  background: var(--paper);
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

/* Paper grain — one lightweight inline SVG, fixed, never intercepts input */
body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: 1;
  pointer-events: none;
  opacity: .34;
  mix-blend-mode: multiply;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='220' height='220'%3E%3Cfilter id='g'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='3' stitchTiles='stitch'/%3E%3CfeColorMatrix type='saturate' values='0'/%3E%3C/filter%3E%3Crect width='220' height='220' filter='url(%23g)' opacity='0.34'/%3E%3C/svg%3E");
}

/* ---------- 3. Typography ---------- */
h1, h2, h3, h4, .display {
  font-family: var(--display);
  font-weight: 500;
  line-height: 1.04;
  letter-spacing: -.012em;
  color: var(--ink);
  text-wrap: balance;
}

.t-mega   { font-size: clamp(3rem, 11.5vw, 9.5rem); line-height: .9; letter-spacing: -.03em; }
.t-xl     { font-size: clamp(2.3rem, 6.4vw, 5.2rem);  line-height: 1; }
.t-lg     { font-size: clamp(1.9rem, 4.2vw, 3.4rem); line-height: 1.07; }
.t-md     { font-size: clamp(1.42rem, 2.4vw, 2.05rem); line-height: 1.18; }
.t-sm     { font-size: clamp(1.14rem, 1.5vw, 1.32rem); line-height: 1.3; }

/* Date / metadata numerals */
.numeral {
  font-family: var(--display);
  font-variant-numeric: lining-nums tabular-nums;
  letter-spacing: -.02em;
}

.eyebrow {
  font-family: var(--mono);
  font-size: .72rem;
  font-weight: 500;
  letter-spacing: .22em;
  text-transform: uppercase;
  color: var(--oxblood);
  display: flex;
  align-items: center;
  gap: .8rem;
  margin-bottom: 1.5rem;
}
.eyebrow::before {
  content: "";
  width: clamp(1.5rem, 4vw, 3.2rem);
  height: 1px;
  background: currentColor;
  flex: none;
  opacity: .55;
}
.eyebrow--brass { color: var(--brass-ink); }
.eyebrow--night { color: var(--brass-lt); }
.eyebrow--plain::before { display: none; }

.lede {
  font-size: clamp(1.14rem, 1.02rem + .55vw, 1.46rem);
  line-height: 1.62;
  color: var(--ink-soft);
  font-weight: 400;
}

.prose > * + * { margin-top: 1.3em; }
.prose p { max-width: var(--read); }
.prose strong { color: var(--ink); font-weight: 600; }
.prose em { font-style: italic; }
.prose h3 {
  font-size: clamp(1.32rem, 2vw, 1.7rem);
  margin-top: 2.3em;
  margin-bottom: -.35em;
}
.prose a { color: var(--oxblood); text-decoration-thickness: 1px; text-underline-offset: .18em; }
.prose a:hover { color: var(--ink); }
.prose ul:not([class]) { padding-left: 1.15rem; max-width: var(--read); }
.prose ul:not([class]) li { margin-top: .55rem; }
.prose ul:not([class]) li::marker { color: var(--oxblood); }

.measure { max-width: var(--read); }
.measure-wide { max-width: min(84ch, 100%); }

/* Caption / credit */
.caption {
  font-family: var(--mono);
  font-size: .74rem;
  line-height: 1.62;
  letter-spacing: .04em;
  color: var(--ink-faint);
}
.caption strong { color: var(--ink-mute); font-weight: 500; }

/* Pull quote */
.pullquote {
  font-family: var(--display);
  font-size: clamp(1.45rem, 3vw, 2.4rem);
  line-height: 1.24;
  color: var(--ink);
  border-left: 2px solid var(--oxblood);
  padding-left: clamp(1.1rem, 3vw, 2.4rem);
  max-width: 28ch;
  font-style: italic;
}
.pullquote cite {
  display: block;
  margin-top: 1.1rem;
  font-family: var(--mono);
  font-size: .7rem;
  font-style: normal;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--ink-faint);
  line-height: 1.7;
}

/* Sourcing note */
.sourcenote {
  font-family: var(--mono);
  font-size: .76rem;
  line-height: 1.7;
  color: var(--ink-faint);
  border-top: 1px solid var(--rule);
  padding-top: .95rem;
  max-width: 64ch;
}
.sourcenote--night { color: var(--night-mute); border-top-color: var(--rule-night); }

/* ---------- 4. Layout ---------- */
.shell { width: var(--shell); margin-inline: auto; }
.shell-narrow { width: min(78ch, 100% - 2 * var(--gut)); margin-inline: auto; }

section { position: relative; z-index: 2; }
.sec { padding-block: var(--sec-y); }
.sec-sm { padding-block: clamp(3rem, 6vw, 5.5rem); }

.bg-paper  { background: var(--paper); }
.bg-warm   { background: var(--paper-warm); }
.bg-deep   { background: var(--paper-deep); }

.bg-night {
  background: var(--night);
  color: var(--night-text);
}
.bg-night h1, .bg-night h2, .bg-night h3, .bg-night h4 { color: var(--paper); }
.bg-night .lede { color: var(--night-text); }
.bg-night .caption { color: var(--night-mute); }
.bg-night .prose { color: var(--night-text); }
.bg-night .prose strong { color: var(--paper); }
.bg-night .pullquote { color: var(--paper); border-left-color: var(--brass); }
.bg-night .pullquote cite { color: var(--night-mute); }
.bg-night .prose a { color: var(--brass-lt); }
.bg-night .eyebrow { color: var(--brass-lt); }

.rule-top { border-top: 1px solid var(--rule); }
.rule-bot { border-bottom: 1px solid var(--rule); }
.bg-night.rule-top { border-top-color: var(--rule-night); }
.bg-night.rule-bot { border-bottom-color: var(--rule-night); }

.grid { display: grid; gap: clamp(1.6rem, 3.5vw, 3.4rem); }
.g-2 { grid-template-columns: repeat(2, minmax(0,1fr)); }
.g-3 { grid-template-columns: repeat(3, minmax(0,1fr)); }
.g-12 { grid-template-columns: repeat(12, minmax(0,1fr)); }

@media (max-width: 980px) {
  .g-3 { grid-template-columns: repeat(2, minmax(0,1fr)); }
}
@media (max-width: 760px) {
  .g-2, .g-3 { grid-template-columns: minmax(0,1fr); }
}
@media (max-width: 900px) {
  .g-12 { grid-template-columns: minmax(0,1fr); }
  .g-12 > * { grid-column: 1 / -1 !important; }
}

/* ---------- 5. Image plates — no cropped faces, ever ---------- */
/*
   Every photograph on this site sits in a .plate. The image is never
   cropped: it flows at its natural ratio, or is contained inside a
   deliberate archival mount. `object-fit: cover` is not used on any
   portrait anywhere in this project.
*/
.plate {
  --plate-pad: clamp(.5rem, 1.2vw, .9rem);
  position: relative;
  background: var(--mount);
  border: 1px solid var(--rule);
  padding: var(--plate-pad);
  isolation: isolate;
}
.plate img {
  width: 100%;
  height: auto;
  display: block;
  filter: grayscale(1) contrast(1.03);
}
.plate--fixed img {
  height: 100%;
  object-fit: contain;
  object-position: center center;
}
.plate--warm img { filter: grayscale(1) sepia(.24) contrast(1.02); }
.plate--plain { border: none; padding: 0; background: transparent; }
.plate--night { background: var(--night-3); border-color: var(--rule-night); }

/* corner ticks — an archival mounting-card detail */
.plate--ticks::before,
.plate--ticks::after {
  content: "";
  position: absolute;
  width: 14px; height: 14px;
  border: 1px solid var(--brass);
  opacity: .85;
  z-index: 2;
}
.plate--ticks::before { top: -1px; left: -1px; border-right: 0; border-bottom: 0; }
.plate--ticks::after  { bottom: -1px; right: -1px; border-left: 0; border-top: 0; }

figure.plate-fig { display: grid; gap: .9rem; margin: 0; }
figure.plate-fig figcaption { padding-left: .1rem; }

/* ---------- 5b. Bookplate (memoir card — Later Life and Books) ---------- */
.bookplate {
  background: var(--paper);
  border: 1px solid var(--ink);
  padding: clamp(2rem, 4vw, 3.2rem) clamp(1.4rem, 3vw, 2.4rem);
  text-align: center;
  position: relative;
  box-shadow: 8px 8px 0 var(--mount);
}
.bookplate::before {
  content: "";
  position: absolute;
  inset: 8px;
  border: 1px solid var(--rule);
  pointer-events: none;
}
.bookplate__label {
  font-family: var(--mono);
  font-size: .62rem;
  letter-spacing: .3em;
  text-transform: uppercase;
  color: var(--oxblood);
  margin-bottom: 1.8rem;
}
.bookplate__title {
  font-family: var(--display);
  font-size: clamp(1.5rem, 2.8vw, 2.15rem);
  line-height: 1.1;
  color: var(--ink);
}
.bookplate__sub {
  font-family: var(--display);
  font-style: italic;
  font-size: clamp(1rem, 1.6vw, 1.25rem);
  color: var(--ink-mute);
  margin-top: .4rem;
}
.bookplate__rule {
  width: 3rem;
  height: 1px;
  background: var(--brass);
  margin: 1.6rem auto;
}
.bookplate__by {
  font-family: var(--mono);
  font-size: .74rem;
  letter-spacing: .22em;
  text-transform: uppercase;
  color: var(--ink);
}
.bookplate__meta {
  margin-top: 1.6rem;
  font-family: var(--mono);
  font-size: .68rem;
  line-height: 1.8;
  color: var(--ink-faint);
}

/* ---------- 6. Buttons & links ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: .75rem;
  font-family: var(--mono);
  font-size: .78rem;
  letter-spacing: .16em;
  text-transform: uppercase;
  text-decoration: none;
  padding: 1.05rem 1.85rem;
  border: 1px solid var(--ink);
  background: transparent;
  color: var(--ink);
  cursor: pointer;
  position: relative;
  overflow: hidden;
  transition: color .4s var(--ease), border-color .4s var(--ease);
}
.btn > * { position: relative; z-index: 2; }
.btn::before {
  content: "";
  position: absolute;
  inset: 0;
  background: var(--ink);
  transform: scaleY(0);
  transform-origin: bottom;
  transition: transform .45s var(--ease);
  z-index: 1;
}
.btn:hover::before, .btn:focus-visible::before { transform: scaleY(1); }
.btn:hover, .btn:focus-visible { color: var(--paper); }

.btn--ox { border-color: var(--oxblood); color: var(--oxblood); }
.btn--ox::before { background: var(--oxblood); }
.btn--ox:hover, .btn--ox:focus-visible { color: var(--paper); }

.btn--night { border-color: var(--brass); color: var(--brass-lt); }
.btn--night::before { background: var(--brass); }
.btn--night:hover, .btn--night:focus-visible { color: var(--night); }

.btn--solid { background: var(--ink); color: var(--paper); border-color: var(--ink); }
.btn--solid::before { background: var(--oxblood); }
.btn--solid:hover, .btn--solid:focus-visible { color: var(--paper); border-color: var(--oxblood); }

/* Text link with animated rule */
.tlink {
  display: inline-flex;
  align-items: center;
  gap: .6rem;
  font-family: var(--mono);
  font-size: .76rem;
  letter-spacing: .15em;
  text-transform: uppercase;
  text-decoration: none;
  color: var(--oxblood);
  padding-bottom: .3rem;
  position: relative;
}
.tlink::after {
  content: "";
  position: absolute;
  left: 0; bottom: 0;
  width: 100%; height: 1px;
  background: currentColor;
  transform: scaleX(0);
  transform-origin: right;
  transition: transform .45s var(--ease);
}
.tlink:hover::after, .tlink:focus-visible::after { transform: scaleX(1); transform-origin: left; }
.tlink .arw { transition: transform .4s var(--ease); }
.tlink:hover .arw { transform: translateX(5px); }
.bg-night .tlink { color: var(--brass-lt); }

/* ---------- 7. Focus & skip link ---------- */
:focus-visible {
  outline: 2px solid var(--oxblood);
  outline-offset: 3px;
}
.bg-night :focus-visible, .foot :focus-visible { outline-color: var(--brass-lt); }

.skip {
  position: absolute;
  left: 1rem; top: -100px;
  z-index: 999;
  background: var(--ink);
  color: var(--paper);
  padding: .9rem 1.4rem;
  font-family: var(--mono);
  font-size: .78rem;
  letter-spacing: .12em;
  text-transform: uppercase;
  text-decoration: none;
  transition: top .3s var(--ease);
}
.skip:focus { top: 1rem; }

.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;
}

/* ---------- 8. Masthead / navigation ---------- */
.masthead {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(243, 236, 224, .9);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--rule);
}
.masthead__inner {
  width: var(--shell);
  margin-inline: auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
  min-height: 5rem;
}

.wordmark {
  display: flex;
  flex-direction: column;
  gap: .18rem;
  text-decoration: none;
  flex: none;
}
.wordmark__name {
  font-family: var(--display);
  font-size: clamp(1.12rem, 1.6vw, 1.42rem);
  line-height: 1;
  letter-spacing: -.01em;
  color: var(--ink);
}
.wordmark__meta {
  font-family: var(--mono);
  font-size: .58rem;
  letter-spacing: .28em;
  text-transform: uppercase;
  color: var(--oxblood);
}

/* Desktop nav */
.nav { display: flex; align-items: center; gap: clamp(.5rem, 1.4vw, 1.5rem); }
.nav__list { display: flex; align-items: center; gap: clamp(.35rem, 1.1vw, 1.15rem); }
.nav__link {
  display: block;
  font-family: var(--mono);
  font-size: .715rem;
  letter-spacing: .13em;
  text-transform: uppercase;
  text-decoration: none;
  color: var(--ink-mute);
  padding: .55rem .1rem;
  position: relative;
  white-space: nowrap;
  transition: color .3s var(--ease);
}
.nav__link::after {
  content: "";
  position: absolute;
  left: 0; bottom: .18rem;
  width: 100%; height: 1px;
  background: var(--oxblood);
  transform: scaleX(0);
  transform-origin: right;
  transition: transform .4s var(--ease);
}
.nav__link:hover, .nav__link:focus-visible { color: var(--ink); }
.nav__link:hover::after, .nav__link:focus-visible::after { transform: scaleX(1); transform-origin: left; }
.nav__link[aria-current="page"] { color: var(--oxblood); }
.nav__link[aria-current="page"]::after { transform: scaleX(1); }

/* Dropdown */
.nav__item--has-menu { position: relative; }
.nav__toggle {
  display: inline-flex;
  align-items: center;
  gap: .45rem;
  background: none;
  border: 0;
  cursor: pointer;
  font-family: var(--mono);
  font-size: .715rem;
  letter-spacing: .13em;
  text-transform: uppercase;
  color: var(--ink-mute);
  padding: .55rem .1rem;
  white-space: nowrap;
  transition: color .3s var(--ease);
}
.nav__toggle:hover, .nav__toggle[aria-expanded="true"] { color: var(--ink); }
.nav__toggle.is-branch { color: var(--oxblood); }
.nav__toggle .chev { transition: transform .35s var(--ease); }
.nav__toggle[aria-expanded="true"] .chev { transform: rotate(180deg); }

.nav__menu {
  position: absolute;
  top: calc(100% + .75rem);
  left: -1.25rem;
  min-width: 21rem;
  background: var(--paper);
  border: 1px solid var(--rule);
  box-shadow: 0 22px 48px -26px rgba(22,17,13,.45);
  padding: .55rem;
  display: grid;
  opacity: 0;
  visibility: hidden;
  transform: translateY(-8px);
  transition: opacity .3s var(--ease), transform .3s var(--ease), visibility .3s;
}
.nav__item--has-menu.is-open .nav__menu {
  opacity: 1; visibility: visible; transform: translateY(0);
}
.nav__menu a {
  display: grid;
  grid-template-columns: 2.4rem 1fr;
  align-items: baseline;
  gap: .3rem;
  text-decoration: none;
  padding: .8rem .9rem;
  transition: background .25s var(--ease);
}
.nav__menu a:hover, .nav__menu a:focus-visible { background: var(--paper-deep); }
.nav__menu .n { font-family: var(--mono); font-size: .68rem; color: var(--brass-ink); letter-spacing: .1em; }
.nav__menu .t { font-family: var(--display); font-size: 1.05rem; color: var(--ink); line-height: 1.2; }
.nav__menu .d { grid-column: 2; font-family: var(--mono); font-size: .66rem; color: var(--ink-faint); letter-spacing: .03em; line-height: 1.55; }
.nav__menu a[aria-current="page"] .t { color: var(--oxblood); }

/* Burger */
.burger {
  display: none;
  align-items: center;
  gap: .7rem;
  background: none;
  border: 1px solid var(--rule);
  padding: .7rem 1rem;
  cursor: pointer;
  font-family: var(--mono);
  font-size: .7rem;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--ink);
}
.burger__bars { display: grid; gap: 4px; width: 18px; }
.burger__bars i {
  display: block; height: 1px; width: 100%; background: var(--ink);
  transition: transform .35s var(--ease), opacity .25s var(--ease);
}
body.nav-open .burger__bars i:nth-child(1) { transform: translateY(5px) rotate(45deg); }
body.nav-open .burger__bars i:nth-child(2) { opacity: 0; }
body.nav-open .burger__bars i:nth-child(3) { transform: translateY(-5px) rotate(-45deg); }

/* Mobile panel */
.mobnav {
  position: fixed;
  inset: 0;
  z-index: 99;
  background: var(--paper);
  padding: 6.5rem var(--gut) 3rem;
  overflow-y: auto;
  overscroll-behavior: contain;
  opacity: 0;
  visibility: hidden;
  transform: translateY(-1.2rem);
  transition: opacity .4s var(--ease), transform .4s var(--ease), visibility .4s;
}
body.nav-open .mobnav { opacity: 1; visibility: visible; transform: translateY(0); }
body.nav-open { overflow: hidden; }

.mobnav__list { display: grid; }
.mobnav__list a {
  display: grid;
  grid-template-columns: 2.8rem 1fr;
  align-items: baseline;
  gap: .5rem;
  text-decoration: none;
  padding: 1.05rem .2rem;
  border-bottom: 1px solid var(--rule-soft);
  min-height: 3.4rem;
}
.mobnav__list .n { font-family: var(--mono); font-size: .7rem; color: var(--brass-ink); letter-spacing: .1em; }
.mobnav__list .t { font-family: var(--display); font-size: clamp(1.32rem, 5.5vw, 1.6rem); color: var(--ink); line-height: 1.15; }
.mobnav__list a[aria-current="page"] .t { color: var(--oxblood); }
.mobnav__foot { margin-top: 2.5rem; display: grid; gap: .55rem; }
.mobnav__foot a {
  font-family: var(--mono); font-size: .82rem; letter-spacing: .06em;
  color: var(--ink-mute); text-decoration: none; padding: .35rem 0;
}
.mobnav__foot a:hover { color: var(--oxblood); }

@media (max-width: 1180px) {
  .nav { display: none; }
  .burger { display: inline-flex; }
}
@media (min-width: 1181px) {
  .mobnav { display: none; }
}

/* ---------- 9. Page masthead ---------- */
.pagehead { position: relative; padding-block: clamp(3.25rem, 7vw, 6.5rem) clamp(2.5rem, 5vw, 4.5rem); }
.crumbs {
  font-family: var(--mono); font-size: .68rem; letter-spacing: .13em;
  text-transform: uppercase; color: var(--ink-faint); margin-bottom: 2rem;
}
.crumbs ol { display: flex; flex-wrap: wrap; gap: .55rem; list-style: none; padding: 0; margin: 0; }
.crumbs li { display: flex; align-items: center; gap: .55rem; }
.crumbs li + li::before { content: "/"; color: var(--rule); }
.crumbs a { text-decoration: none; color: var(--ink-faint); transition: color .3s var(--ease); }
.crumbs a:hover { color: var(--oxblood); }
.bg-night .crumbs, .bg-night .crumbs a { color: var(--night-mute); }
.bg-night .crumbs li + li::before { color: var(--rule-night); }

/* ---------- 10. Chapter navigation ---------- */
.chapnav { border-top: 1px solid var(--rule); background: var(--paper-warm); position: relative; z-index: 2; }
.chapnav__grid { display: grid; grid-template-columns: repeat(2, minmax(0,1fr)); width: var(--shell); margin-inline: auto; }
.chapnav__item {
  display: grid;
  align-content: center;
  gap: .55rem;
  padding: clamp(2rem, 4vw, 3.4rem) clamp(1.1rem, 2.5vw, 2.2rem);
  text-decoration: none;
  transition: background .35s var(--ease);
}
.chapnav__item:hover { background: var(--paper-deep); }
.chapnav__item + .chapnav__item { border-left: 1px solid var(--rule); }
.chapnav__item--next { text-align: right; }
.chapnav__dir { font-family: var(--mono); font-size: .68rem; letter-spacing: .18em; text-transform: uppercase; color: var(--oxblood); }
.chapnav__title { font-family: var(--display); font-size: clamp(1.28rem, 2.4vw, 1.95rem); color: var(--ink); line-height: 1.14; }
@media (max-width: 700px) {
  .chapnav__grid { grid-template-columns: minmax(0,1fr); }
  .chapnav__item + .chapnav__item { border-left: 0; border-top: 1px solid var(--rule); }
  .chapnav__item--next { text-align: left; }
}

/* ---------- 11. Footer ---------- */
.foot {
  background: var(--night);
  color: var(--night-text);
  position: relative;
  z-index: 2;
  padding-block: clamp(3.5rem, 7vw, 6rem) 0;
}
.foot__top {
  display: grid;
  grid-template-columns: minmax(0, 1.45fr) repeat(3, minmax(0, 1fr));
  gap: clamp(2.2rem, 4vw, 3.6rem);
  padding-bottom: clamp(2.8rem, 5vw, 4.5rem);
  border-bottom: 1px solid var(--rule-night);
}
.foot__mark { font-family: var(--display); font-size: clamp(2rem, 4.4vw, 3.2rem); color: var(--paper); line-height: 1; letter-spacing: -.02em; }
.foot__dates { font-family: var(--mono); font-size: .74rem; letter-spacing: .26em; color: var(--brass-lt); margin-top: .9rem; }
.foot__blurb { margin-top: 1.6rem; max-width: 44ch; font-size: .95rem; line-height: 1.75; color: var(--night-mute); }

.foot__h {
  font-family: var(--mono); font-size: .68rem; letter-spacing: .2em;
  text-transform: uppercase; color: var(--brass-lt); margin-bottom: 1.35rem;
}
.foot__links { display: grid; gap: .72rem; }
.foot__links a {
  text-decoration: none; color: var(--night-text); font-size: .92rem;
  transition: color .3s var(--ease), padding-left .3s var(--ease);
  width: fit-content;
}
.foot__links a:hover, .foot__links a:focus-visible { color: var(--brass-lt); padding-left: .4rem; }

.foot__contact { display: grid; gap: 1.1rem; }
.foot__contact a {
  display: grid; gap: .2rem; text-decoration: none; color: var(--night-text);
  transition: color .3s var(--ease); width: fit-content;
}
.foot__contact a:hover { color: var(--brass-lt); }
.foot__contact .lbl { font-family: var(--mono); font-size: .64rem; letter-spacing: .18em; text-transform: uppercase; color: var(--night-mute); }
.foot__contact .val { font-family: var(--display); font-size: 1.18rem; }

.social { display: flex; flex-wrap: wrap; gap: .6rem; margin-top: 1.8rem; list-style: none; padding: 0; }
.social a, .social .social__ico {
  display: grid; place-items: center;
  width: 2.75rem; height: 2.75rem;
  border: 1px solid var(--rule-night);
  color: var(--night-mute);
  transition: color .3s var(--ease), border-color .3s var(--ease), background .3s var(--ease);
}
.social a:hover, .social a:focus-visible { color: var(--night); background: var(--brass-lt); border-color: var(--brass-lt); }
.social svg { width: 1.05rem; height: 1.05rem; fill: currentColor; }
.social__note { font-family: var(--mono); font-size: .68rem; line-height: 1.7; color: var(--night-mute); margin-top: 1rem; max-width: 40ch; }

/* ---------- 11b. Back to top ---------- */
.totop {
  position: fixed;
  right: clamp(1rem, 2.5vw, 2rem);
  bottom: clamp(1rem, 2.5vw, 2rem);
  z-index: 90;
  width: 3rem; height: 3rem;
  display: grid; place-items: center;
  background: var(--ink);
  color: var(--paper);
  border: 1px solid var(--ink);
  cursor: pointer;
  opacity: 0;
  visibility: hidden;
  transform: translateY(12px);
  transition: opacity .35s var(--ease), transform .35s var(--ease), visibility .35s, background .3s var(--ease);
}
.totop.is-on { opacity: 1; visibility: visible; transform: none; }
.totop:hover { background: var(--oxblood); border-color: var(--oxblood); }

.foot__bottom {
  display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between;
  gap: 1rem 2rem;
  padding-block: 1.9rem;
  font-family: var(--mono); font-size: .7rem; letter-spacing: .06em;
  color: var(--night-mute);
}
.foot__bottom a { color: var(--brass-lt); text-decoration: none; }
.foot__bottom a:hover { text-decoration: underline; text-underline-offset: .22em; }

@media (max-width: 1080px) {
  .foot__top { grid-template-columns: repeat(2, minmax(0,1fr)); }
  .foot__brand { grid-column: 1 / -1; }
}
@media (max-width: 560px) {
  .foot__top { grid-template-columns: minmax(0,1fr); }
}

/* ---------- 12. Reveal animation ---------- */
[data-reveal] {
  opacity: 0;
  transform: translateY(26px);
  transition: opacity var(--slow) var(--ease), transform var(--slow) var(--ease);
  transition-delay: var(--d, 0ms);
}
[data-reveal].is-in { opacity: 1; transform: none; }

[data-reveal="mask"] { opacity: 1; transform: none; clip-path: inset(0 0 100% 0); transition: clip-path 1.1s var(--ease); transition-delay: var(--d, 0ms); }
[data-reveal="mask"].is-in { clip-path: inset(0 0 0 0); }

[data-reveal="rule"] { opacity: 1; transform: none; transform-origin: left; scale: 0 1; transition: scale 1s var(--ease); transition-delay: var(--d, 0ms); }
[data-reveal="rule"].is-in { scale: 1 1; }

/* Safety net: if JS never runs, nothing stays hidden and nothing is unreachable */
.no-js [data-reveal] { opacity: 1 !important; transform: none !important; clip-path: none !important; scale: none !important; }

/* Without JS the burger cannot open anything, so the mobile menu becomes a
   plain list at the top of the page rather than an invisible overlay. */
.no-js .burger { display: none !important; }
.no-js .mobnav {
  position: static;
  opacity: 1;
  visibility: visible;
  transform: none;
  padding: 2rem var(--gut) 1rem;
  border-bottom: 1px solid var(--rule);
}
@media (min-width: 1181px) { .no-js .mobnav { display: none; } }

/* Accordion panels are collapsed by JS, so they must start open without it. */
.no-js .acc__panel[hidden] { display: block; }
.no-js .acc__sign { display: none; }

/* ---------- 13. Reduced motion ---------- */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: .01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: .01ms !important;
    scroll-behavior: auto !important;
  }
  [data-reveal] { opacity: 1 !important; transform: none !important; clip-path: none !important; scale: none !important; }
  .parallax { transform: none !important; }
}

/* ---------- 14. Print ---------- */
@media print {
  .masthead, .mobnav, .foot, .chapnav, .burger, .skip { display: none !important; }
  body::before { display: none; }
  body { background: #fff; color: #000; }
  .plate img { filter: none; }
}