/* ==========================================================================
   COMPONENTS — nav, buttons, footer, and the site's two working modes:
   the hand-lettered collage vocabulary (polaroids, tape, rotation, marker
   annotations — the shipped, canonical look for journal/home pages) and
   the archive vocabulary (status tags, evidence frames, index rows, pull
   quotes, margin asides — reserved for dossier/case-file surfaces, which
   deliberately opt out of hand lettering, tape, and rotation).
   ========================================================================== */

/* ---- Site header / nav ---- */

/* Frosted glass is the wrong material on paper. The header is part of the
   sheet: it sits on it opaquely and earns a hairline once the page moves
   under it. */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--color-paper);
  border-bottom: 1px solid transparent;
  transition: border-color var(--duration-base) var(--ease-ink);
}

.site-header.is-scrolled { border-bottom-color: var(--color-hairline); }

/* ---- Title block ----
   Engineering-drawing furniture: a hairline row of labeled fields opening a
   page or a case. This is the system's kicker — it replaces the tracked
   uppercase eyebrow stacked over every section. */

.title-block {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-4) var(--space-9);
  padding-block: var(--space-3);
  border-top: 1px solid var(--color-ink);
  border-bottom: 1px solid var(--color-hairline);
}

/* Metadata type does not need to be fluid, and it does not go below 12px:
   the field label is distinguished by colour and tracking, not by shrinking
   to the edge of legibility. */
.title-block__field {
  display: flex;
  flex-direction: column;
  gap: 3px;
  font-family: var(--font-mono);
  font-size: 0.76rem;
  line-height: 1.3;
}

.title-block__field dt {
  color: var(--color-ink-faint);
  text-transform: uppercase;
  letter-spacing: var(--tracking-wider);
}

.title-block__field dd {
  margin: 0;
  color: var(--color-ink);
  letter-spacing: var(--tracking-wide);
  text-transform: uppercase;
}

.title-block__field--wide { margin-inline-start: auto; text-align: right; }

@media (max-width: 700px) {
  .title-block { gap: var(--space-3) var(--space-6); }
  .title-block__field--wide { margin-inline-start: 0; text-align: left; }
}

.site-header__row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-block: var(--space-4);
}

.wordmark {
  font-family: var(--font-serif);
  font-size: var(--text-md);
  font-weight: 500;
  text-decoration: none;
  letter-spacing: var(--tracking-tight);
  display: inline-flex;
  align-items: baseline;
  gap: 2px;
  font-variation-settings: var(--serif-personality);
}

.wordmark__mark { color: var(--color-eggplant); }

.site-nav ul {
  display: flex;
  align-items: center;
  gap: var(--space-7);
}

.site-nav a {
  position: relative;
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: var(--tracking-wide);
  text-transform: uppercase;
  text-decoration: none;
  color: var(--color-ink-soft);
  padding-bottom: 4px;
}

.site-nav a::after {
  content: "";
  position: absolute;
  left: 0; right: 100%;
  bottom: 0;
  height: 1.5px;
  background: var(--color-eggplant);
  transition: right var(--duration-base) var(--ease-ink);
}

.site-nav a:hover,
.site-nav a:focus-visible,
.site-nav a[aria-current="page"] { color: var(--color-ink); }

.site-nav a:hover::after,
.site-nav a:focus-visible::after,
.site-nav a[aria-current="page"]::after { right: 0; }

.site-nav a.site-nav__cta { color: var(--color-eggplant); }

.nav-toggle {
  display: none;
  align-items: center;
  gap: var(--space-2);
  background: none;
  border: none;
  cursor: pointer;
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: var(--tracking-wide);
  text-transform: uppercase;
  padding: var(--space-2);
}

.nav-toggle__lines {
  width: 20px;
  height: 14px;
  position: relative;
}

.nav-toggle__lines span {
  position: absolute;
  left: 0; right: 0;
  height: 1.5px;
  background: var(--color-ink);
  transition: transform var(--duration-base) var(--ease-ink), opacity var(--duration-fast);
}

.nav-toggle__lines span:nth-child(1) { top: 0; }
.nav-toggle__lines span:nth-child(2) { top: 50%; margin-top: -0.75px; }
.nav-toggle__lines span:nth-child(3) { bottom: 0; }

.nav-toggle[aria-expanded="true"] .nav-toggle__lines span:nth-child(1) {
  transform: translateY(6.25px) rotate(45deg);
}
.nav-toggle[aria-expanded="true"] .nav-toggle__lines span:nth-child(2) { opacity: 0; }
.nav-toggle[aria-expanded="true"] .nav-toggle__lines span:nth-child(3) {
  transform: translateY(-6.25px) rotate(-45deg);
}

.mobile-nav {
  position: fixed;
  inset: 0;
  z-index: 99;
  background: var(--color-paper);
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: var(--space-9) var(--page-margin);
  opacity: 0;
  visibility: hidden;
  transform: translateY(-8px);
  transition: opacity var(--duration-base) var(--ease-ink), transform var(--duration-base) var(--ease-ink), visibility 0s var(--duration-base);
}

.mobile-nav.is-open {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
  transition: opacity var(--duration-base) var(--ease-ink), transform var(--duration-base) var(--ease-ink);
}

.mobile-nav__label {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: var(--tracking-wider);
  text-transform: uppercase;
  color: var(--color-ink-faint);
  margin-bottom: var(--space-6);
}

.mobile-nav ol { counter-reset: toc; }

.mobile-nav li {
  counter-increment: toc;
  border-top: 1px solid var(--color-ink-line);
}
.mobile-nav li:last-child { border-bottom: 1px solid var(--color-ink-line); }

.mobile-nav a {
  display: flex;
  align-items: baseline;
  gap: var(--space-4);
  padding: var(--space-5) 0;
  text-decoration: none;
  font-family: var(--font-serif);
  font-size: var(--text-xl);
  color: var(--color-ink);
}

.mobile-nav a::before {
  content: counter(toc, decimal-leading-zero);
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  color: var(--color-ink-faint);
}

@media (max-width: 800px) {
  .site-nav { display: none; }
  .nav-toggle { display: inline-flex; }
}

/* ---- Buttons / links ---- */

.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--text-sm);
  font-weight: 400;
  text-transform: uppercase;
  letter-spacing: var(--tracking-wide);
  text-decoration: none;
  padding: var(--space-3) var(--space-6);
  border: 1px solid var(--color-eggplant);
  transition: transform var(--duration-fast) var(--ease-ink), background var(--duration-base) var(--ease-ink), color var(--duration-base) var(--ease-ink);
}

.btn--solid { background: var(--color-eggplant); color: var(--color-on-eggplant); }
.btn--solid:hover { background: var(--color-eggplant-deep); border-color: var(--color-eggplant-deep); }

.btn--ghost { background: transparent; color: var(--color-eggplant); }
.btn--ghost:hover { background: var(--color-eggplant-tint); }

.btn__arrow { transition: transform var(--duration-base) var(--ease-ink); }
.btn:hover .btn__arrow { transform: translateX(3px); }

.ink-link {
  position: relative;
  text-decoration: none;
  color: var(--color-eggplant);
  font-weight: 400;
  background-image: linear-gradient(currentColor, currentColor);
  background-position: 0 100%;
  background-repeat: no-repeat;
  background-size: 100% 1.5px;
  padding-bottom: 2px;
  transition: background-size var(--duration-base) var(--ease-ink);
}
.ink-link:hover { background-size: 0% 1.5px; }

/* ---- Status tag ----
   The archive's processing states, stated plainly. A filled glyph means
   still active; a hollow glyph means settled. No color-coding beyond ink —
   status is read by glyph and word, not by decoration. */

.tag {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: var(--tracking-wide);
  text-transform: uppercase;
  color: var(--color-ink-soft);
  line-height: 1.4;
}

.tag__glyph {
  width: 7px;
  height: 7px;
  border: 1px solid currentColor;
  flex-shrink: 0;
}

.tag--process { color: var(--color-status-process); }
.tag--process .tag__glyph { background: currentColor; }

.tag--accessioned { color: var(--color-status-accessioned); }
.tag--accessioned .tag__glyph { background: linear-gradient(90deg, currentColor 50%, transparent 50%); }

.tag--catalogued { color: var(--color-status-catalogued); }
.tag--catalogued .tag__glyph { background: transparent; }

.tag--eggplant { color: var(--color-eggplant); border: 1px solid var(--color-eggplant); border-bottom-width: 2px; padding: var(--space-1) var(--space-3) calc(var(--space-1) + 3px); background: var(--color-paper-raised); }
.tag--tilt-l { transform: rotate(-1.6deg); }
.tag--tilt-r { transform: rotate(1.4deg); }

.stamp {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-family: var(--font-hand);
  font-size: var(--text-md);
  color: var(--color-eggplant);
  border: 1.5px dashed var(--color-eggplant);
  border-radius: var(--radius-md);
  padding: var(--space-2) var(--space-4);
  background: rgba(59, 33, 66, 0.03);
}

/* ==========================================================================
   ARTIFACTS — the real-object layer: photographs, tape, notebook pages,
   torn scraps, margin annotations. Rotation gives the arrangement its
   "laid out by hand" quality. Every element stands in honestly for a real
   photograph or document — nothing here pretends to be more than a frame. */

.rot-1  { transform: rotate(-3.2deg); }
.rot-2  { transform: rotate(2.4deg); }
.rot-3  { transform: rotate(-1.6deg); }
.rot-4  { transform: rotate(3.6deg); }
.rot-5  { transform: rotate(-4.4deg); }
.rot-6  { transform: rotate(1.2deg); }

.polaroid {
  --curl: 22px;
  --grain: 0.42;
  --wear-shadow: var(--shadow-paper-lift);
  display: block;
  position: relative;
  background: var(--color-paper-raised);
  padding: var(--space-3) var(--space-3) var(--space-5);
  box-shadow: var(--wear-shadow);
  border: 1px solid rgba(36, 33, 30, 0.06);
  border-radius: 1px 3px 2px 4px;
  transition: transform var(--duration-base) var(--ease-ink), box-shadow var(--duration-base) var(--ease-ink);
}

/* ---- Wear level ----
   How much a specific object has been handled — not why. Three honest
   levels; which real object sits at which level is a decision for later,
   not something the design presumes. */
.wear-1 { --curl: 8px; --grain: 0.24; --wear-shadow: var(--shadow-paper); }
.wear-2 { --curl: 22px; --grain: 0.42; --wear-shadow: var(--shadow-paper-lift); }
.wear-3 { --curl: 36px; --grain: 0.6; --wear-shadow: var(--shadow-deep); }

.wear-3::before {
  background:
    radial-gradient(130% 90% at 20% 15%, rgba(255, 253, 246, 0.5), transparent 55%),
    radial-gradient(46% 40% at 90% 8%, rgba(168, 132, 76, 0.1), transparent 70%),
    radial-gradient(140% 110% at 88% 94%, rgba(41, 30, 20, 0.09), transparent 60%);
}

/* Uneven lighting + grain — the surface was photographed, not drawn.
   One warm highlight upper-left, one soft falloff lower-right; grain on
   top. Matches the single light source used for every shadow on the page. */
.polaroid::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 2;
  pointer-events: none;
  background:
    radial-gradient(130% 90% at 20% 15%, rgba(255, 253, 246, 0.5), transparent 55%),
    radial-gradient(140% 110% at 88% 94%, rgba(41, 30, 20, 0.07), transparent 60%);
  mix-blend-mode: multiply;
}
.polaroid::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 2;
  pointer-events: none;
  opacity: var(--grain);
  mix-blend-mode: overlay;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='140' height='140'%3E%3Cfilter id='g'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23g)'/%3E%3C/svg%3E");
}

/* A lifted corner, bottom-right — the print isn't perfectly flat */
.polaroid > .polaroid__photo::after {
  content: "";
  position: absolute;
  right: 0; bottom: 0;
  width: var(--curl); height: var(--curl);
  background: linear-gradient(135deg, transparent 50%, rgba(41,30,20,0.16) 58%, rgba(41,30,20,0.06) 74%, transparent 90%);
  pointer-events: none;
  z-index: 2;
}

.polaroid__photo { position: relative; aspect-ratio: 4/5; overflow: hidden; }
.polaroid__photo img { width: 100%; height: 100%; object-fit: cover; }

.polaroid__caption {
  font-family: var(--font-hand);
  font-size: var(--text-md);
  color: var(--color-eggplant);
  text-align: center;
  line-height: 1.2;
  margin-top: var(--space-3);
}

a.polaroid-link { display: block; text-decoration: none; color: inherit; }
a.polaroid-link:hover .polaroid,
a.polaroid-link:focus-visible .polaroid {
  transform: rotate(-0.5deg) translateY(-3px) scale(1.012);
  box-shadow: var(--shadow-deep);
}

.tape {
  position: absolute;
  width: 76px;
  height: 26px;
  background: linear-gradient(175deg, rgba(205, 181, 143, 0.8), rgba(171, 143, 99, 0.62));
  mix-blend-mode: multiply;
  opacity: 0.82;
  z-index: 3;
  clip-path: polygon(
    0% 22%, 4% 4%, 9% 18%, 15% 2%, 22% 16%, 29% 3%, 36% 17%, 44% 4%,
    52% 18%, 60% 2%, 68% 16%, 76% 3%, 84% 17%, 91% 4%, 96% 15%, 100% 0%,
    100% 78%, 96% 96%, 91% 82%, 84% 98%, 76% 83%, 68% 97%, 60% 84%,
    52% 98%, 44% 82%, 36% 96%, 29% 83%, 22% 98%, 15% 84%, 9% 98%, 4% 82%, 0% 100%
  );
}
.tape::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: repeating-linear-gradient(115deg, rgba(255,255,255,0.22) 0 2px, transparent 2px 7px);
}
.tape::after {
  content: "";
  position: absolute;
  inset: 0;
  opacity: 0.5;
  mix-blend-mode: overlay;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='90' height='40'%3E%3Cfilter id='t'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.25' numOctaves='2'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23t)'/%3E%3C/svg%3E");
}
.tape--sm { width: 48px; height: 19px; }

.torn-note {
  position: relative;
  background: var(--color-paper-raised);
  padding: var(--space-5);
  clip-path: polygon(
    1% 4%, 12% 0%, 27% 2%, 41% 0%, 58% 3%, 73% 0%, 88% 2%, 100% 5%,
    98% 22%, 100% 40%, 97% 58%, 100% 76%, 98% 94%, 100% 100%,
    83% 98%, 68% 100%, 52% 97%, 35% 100%, 19% 98%, 3% 100%, 0% 82%,
    2% 64%, 0% 46%, 3% 28%, 0% 10%
  );
  box-shadow: var(--wear-shadow, var(--shadow-paper));
}

.torn-note::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background:
    radial-gradient(120% 90% at 18% 12%, rgba(255, 253, 246, 0.5), transparent 55%),
    radial-gradient(150% 110% at 90% 96%, rgba(41, 30, 20, 0.08), transparent 60%);
  mix-blend-mode: multiply;
}
.torn-note::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  opacity: var(--grain, 0.4);
  mix-blend-mode: overlay;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='140' height='140'%3E%3Cfilter id='g2'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='2'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23g2)'/%3E%3C/svg%3E");
}

.torn-top { position: relative; }
.torn-top::before {
  content: "";
  position: absolute;
  top: -14px; left: 0; right: 0;
  height: 28px;
  z-index: 1;
  background-color: var(--color-beige);
  clip-path: polygon(
    0 100%, 2% 35%, 5% 78%, 8% 20%, 11% 82%, 14% 30%, 17% 75%, 20% 15%,
    23% 80%, 26% 40%, 29% 85%, 32% 25%, 35% 78%, 38% 18%, 41% 82%,
    44% 35%, 47% 75%, 50% 20%, 53% 80%, 56% 30%, 59% 85%, 62% 15%,
    65% 78%, 68% 40%, 71% 82%, 74% 25%, 77% 75%, 80% 18%, 83% 80%,
    86% 32%, 89% 78%, 92% 22%, 95% 82%, 98% 30%, 100% 100%
  );
}

.margin-note {
  font-family: var(--font-hand);
  font-size: var(--text-md);
  color: var(--color-eggplant);
  line-height: 1.25;
}
.margin-note__arrow { display: block; margin-bottom: var(--space-1); color: var(--color-eggplant); opacity: 0.8; }

/* ---- Section blocks ---- */

.section { padding-block: var(--space-11); }
.section--tight { padding-block: var(--space-9); }

.section--beige {
  background: var(--color-beige);
  border-block: 1px solid var(--color-beige-deep);
}

.section-head {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-end;
  justify-content: space-between;
  gap: var(--space-5);
  margin-bottom: var(--space-8);
}

.section-head__title { margin-top: var(--space-3); }

/* ---- Log line (recency device) ----
   States when the archive was last touched. Replaces a fixed "issue
   number" — the site is always presenting itself as of right now. */

.log-line {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: var(--tracking-wide);
  text-transform: uppercase;
  color: var(--color-ink-faint);
}

.log-line__dot {
  width: 6px; height: 6px;
  border-radius: 50%;
  background: #6f9c74;
  box-shadow: 0 0 0 3px rgba(111, 156, 116, 0.18);
  flex-shrink: 0;
}

/* ---- Evidence frame ----
   The standard for every artifact on the site: a photograph, diagram, map,
   or document, presented at its own proportions with a small caption
   underneath. No border-as-ornament, no rotation, no tape. */

.evidence { display: block; }

.evidence__frame {
  border: 1px solid var(--color-ink-line);
  background: var(--color-paper-raised);
  overflow: hidden;
}

.evidence__frame img,
.evidence__frame svg { width: 100%; height: 100%; display: block; }

.evidence__caption {
  margin-top: var(--space-3);
  display: flex;
  gap: var(--space-3);
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: var(--color-ink-faint);
  letter-spacing: var(--tracking-wide);
}

.evidence__caption strong {
  color: var(--color-ink-soft);
  font-weight: 400;
  text-transform: uppercase;
}

/* ---- Document card ----
   A printed-looking page — a data card, a typed field note, a coordinate
   log. Real page proportions, a subtle shadow like it's sitting a few
   millimeters above the surface below it. Used both standalone and
   layered over other evidence in a composed spread. */

.doc-card {
  background: var(--color-paper-raised);
  border: 1px solid var(--color-ink-line);
  box-shadow: var(--shadow-paper);
  padding: var(--space-5);
}

.doc-card--float {
  position: absolute;
  box-shadow: var(--shadow-paper-lift);
}

.doc-card__head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: var(--tracking-wide);
  text-transform: uppercase;
  color: var(--color-ink-faint);
  padding-bottom: var(--space-3);
  margin-bottom: var(--space-3);
  border-bottom: 1px solid var(--color-ink-line);
}

.doc-card__row {
  display: flex;
  justify-content: space-between;
  gap: var(--space-4);
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  padding-block: var(--space-1);
  color: var(--color-ink-soft);
}
.doc-card__row span:first-child { color: var(--color-ink-faint); }

/* A typed field-note excerpt — set in mono like a typewriter log, never
   in a hand-lettered face. */
.field-note {
  background: var(--color-paper-raised);
  border: 1px solid var(--color-ink-line);
  box-shadow: var(--shadow-paper);
  padding: var(--space-5) var(--space-6);
}

.field-note__head {
  display: flex;
  justify-content: space-between;
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: var(--color-ink-faint);
  text-transform: uppercase;
  letter-spacing: var(--tracking-wide);
  margin-bottom: var(--space-4);
  padding-bottom: var(--space-3);
  border-bottom: 1px dashed var(--color-ink-line-strong);
}

.field-note p {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  line-height: var(--leading-relaxed);
  color: var(--color-ink-soft);
  max-width: none;
}

/* ---- Evidence spread ----
   Several real objects composed in one view, at different sizes, some
   overlapping — the "art director laid it out on a table" moment. Built
   on the 12-col grid; each item positions itself with col-/start- classes. */

.spread { position: relative; }
.spread-item { position: relative; }

/* ---- Index row (catalogue / ledger entries) ---- */

.index-row {
  display: grid;
  grid-template-columns: 3.25rem 1fr auto auto;
  align-items: center;
  gap: var(--space-5);
  padding-block: var(--space-5);
  border-top: 1px solid var(--color-ink-line);
  text-decoration: none;
  color: var(--color-ink);
  /* Nudged with a transform, not padding: animating a layout property makes
     the browser reflow the whole list on every frame of a hover. */
  transition: transform var(--duration-base) var(--ease-ink);
}

.index-row:last-child { border-bottom: 1px solid var(--color-ink-line); }

a.index-row:hover,
a.index-row:focus-visible { transform: translateX(var(--space-3)); }

.index-row__no {
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  color: var(--color-ink-faint);
}

.index-row__name {
  font-family: var(--font-serif);
  font-size: var(--text-md);
  font-variation-settings: var(--serif-personality);
}

.index-row__meta {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: var(--color-ink-faint);
  text-transform: uppercase;
  letter-spacing: var(--tracking-wide);
  white-space: nowrap;
}

.index-row__arrow { color: var(--color-ink-faint); transition: transform var(--duration-base) var(--ease-ink); }
a.index-row:hover .index-row__arrow { transform: translateX(4px); color: var(--color-eggplant); }

@media (max-width: 640px) {
  .index-row { grid-template-columns: 2.5rem 1fr; row-gap: var(--space-2); }
  .index-row__meta { grid-column: 2; }
  .index-row__arrow { display: none; }
}

/* ---- Pull quote (the page's one deliberate quiet/loud beat) ---- */

.pull {
  font-family: var(--font-serif);
  font-variation-settings: var(--serif-personality);
  font-size: var(--text-2xl);
  line-height: var(--leading-tight);
  letter-spacing: var(--tracking-tight);
  color: var(--color-ink);
  max-width: 22ch;
}

/* ---- Margin aside (factual annotation, never decorative) ---- */

.aside {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  line-height: var(--leading-normal);
  color: var(--color-ink-faint);
  border-left: 1px solid var(--color-ink-line-strong);
  padding-left: var(--space-4);
}

/* ---- Dossier file header (case-file metadata block) ---- */

.file-header {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-8);
  padding-block: var(--space-5);
  border-top: 1px solid var(--color-ink);
  border-bottom: 1px solid var(--color-ink);
}

.file-header__field {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: var(--tracking-wide);
}

.file-header__field span {
  display: block;
  color: var(--color-ink-faint);
  text-transform: uppercase;
  margin-bottom: 2px;
}

.file-header__field strong { color: var(--color-ink); font-weight: 400; }

/* ---- Catalog number (figure / page numbering) ---- */

.catalog-no,
.page-mark {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: var(--color-ink-faint);
  letter-spacing: var(--tracking-wide);
}

/* ==========================================================================
   NOTEBOOK BEHAVIOURS
   The devices a working notebook actually uses, built as components so they
   are placed on purpose rather than sprinkled. Every one of these carries
   information: a margin note explains a specific paragraph, a revision shows
   what changed, a box marks the sentence that matters, a cross-reference
   points somewhere real. None of them is ornament.
   ========================================================================== */

/* ---- Metadata stamp ----
   The context line a documented thing always carries: what kind of note,
   when, where, under what conditions. Middot-separated mono fields. */

.meta {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 0 var(--space-3);
  margin: 0;
  max-width: none;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: var(--tracking-wider);
  text-transform: uppercase;
  color: var(--color-ink-faint);
  line-height: 1.5;
}

/* The separator trails the field it follows rather than leading the next one,
   so a wrapped metadata line never starts with an orphaned middot. */
.meta > *:not(:last-child)::after {
  content: "·";
  margin-left: var(--space-3);
  color: var(--color-hairline-strong);
}

.meta strong { color: var(--color-ink); font-weight: 400; }
.meta em { font-style: normal; color: var(--color-plum); }

/* Stacked: one field per line, for a record rather than a caption. */
.meta--stack {
  flex-direction: column;
  gap: 2px;
}

.meta--stack > *:not(:last-child)::after { content: none; }

/* ---- Notebook page layout ----
   A body column with a real margin beside it. Annotations are grid siblings
   placed immediately after the block they annotate, so auto-placement lands
   each note on its paragraph's row — no absolute positioning to drift. */

/* The body column is sized for the monospace advance width: at 36rem it held
   barely 53 characters, which is short for continuous reading. */
.page-layout {
  display: grid;
  grid-template-columns: minmax(0, 42rem) minmax(0, 15rem);
  column-gap: var(--space-8);
  align-items: start;
}

.page-layout > * { grid-column: 1; }
.page-layout > .page-note { grid-column: 2; }

/* ---- Margin note ----
   Hand, plum, short, with an arrow that points at the thing it is about:
   left toward the text on a wide screen, up toward it on a narrow one. */

.page-note {
  display: flex;
  gap: var(--space-2);
  font-family: var(--font-hand);
  font-size: 1.06rem;
  line-height: 1.3;
  color: var(--color-plum);
  padding-top: 0.35em;
}

.page-note__arrow {
  flex: 0 0 auto;
  width: 26px;
  height: 16px;
  margin-top: 0.28em;
  color: var(--color-plum);
  opacity: 0.85;
}

/* ---- Revision mark ----
   Struck word, correction beside it. This is what a page looks like when the
   thinking changed after it was written down. */

.revision s {
  color: var(--color-ink-faint);
  text-decoration-line: line-through;
  text-decoration-color: var(--color-plum);
  text-decoration-thickness: 1.5px;
}

.revision em {
  font-style: normal;
  font-family: var(--font-hand);
  color: var(--color-plum);
  margin-left: 0.3em;
  font-size: 1.08em;
}

/* ---- Boxed idea ----
   A drawn box around the one sentence that matters. The frame is an SVG
   stretched to the content with a constant pen width, so the irregularity
   reads as a hand and never as a border-radius. */

/* The drawn frame sits at inset 0, so the padding is the only thing keeping
   the sentence off the pen line. It needs more than a text block would. */
.boxed {
  position: relative;
  padding: var(--space-7) var(--space-7);
  margin-block: var(--space-7);
  text-align: center;
}

/* Centred inside the box, whatever measure the statement is given. */
.boxed > * { margin-inline: auto; }

.boxed__frame {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  overflow: visible;
  fill: none;
  stroke: var(--color-plum);
  pointer-events: none;
}

.boxed__frame path {
  stroke-width: 1.6;
  stroke-linecap: round;
  stroke-linejoin: round;
  vector-effect: non-scaling-stroke;
}

.boxed > :last-child { margin-bottom: 0; }

/* A drawn box is only as wide as it is; text ragging out two thirds of the
   way across leaves the frame looking half empty on the right. Centred and
   balanced, the sentence fills the box it was drawn for. */
.boxed--centred p {
  max-width: none;
  text-align: center;
  text-wrap: balance;
}

/* ---- Cross-reference ----
   "see fig. 02", "revisit later", "still unresolved". Mono when it is a
   pointer, hand when it is a note to self. */

.xref {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: var(--tracking-wide);
  text-transform: uppercase;
  color: var(--color-ink-faint);
  white-space: nowrap;
}

a.xref {
  color: var(--color-plum);
  text-decoration-color: var(--color-plum-rule);
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
  transition: text-decoration-color var(--duration-fast) var(--ease-ink);
}

a.xref:hover { text-decoration-color: var(--color-plum); }

.xref--hand {
  font-family: var(--font-hand);
  font-size: 1rem;
  letter-spacing: 0;
  text-transform: none;
  color: var(--color-plum);
}

/* ---- Tipped-in sheet ----
   The one licensed exception to "diagrams are drawn straight on the page":
   a document that genuinely came from somewhere else — a case file excerpt,
   a printed page — laid on top of the notebook. Lighter than the page, one
   hairline, one low shadow. Never rotated, never taped. */

.tipped {
  position: relative;
  background: var(--color-paper-raised);
  border: 1px solid var(--color-hairline);
  box-shadow: var(--shadow-paper);
  padding: var(--space-8) var(--space-8) var(--space-7);
}

@media (max-width: 700px) {
  .tipped { padding: var(--space-6) var(--space-5); }
}

/* ---- Section opener ----
   Every movement states the one question it answers. This is the site's
   only kicker pattern, and it is a question, not a category label. */

.opener {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: var(--space-3) var(--space-6);
  padding-bottom: var(--space-3);
  border-bottom: 1px solid var(--color-hairline);
  margin-bottom: var(--space-8);
}

.opener__q {
  margin: 0;
  max-width: none;
  font-family: var(--font-mono);
  font-size: 0.76rem;
  letter-spacing: var(--tracking-wide);
  text-transform: uppercase;
  color: var(--color-ink);
}

.opener__q::before {
  content: attr(data-index);
  margin-right: var(--space-4);
  color: var(--color-ink-faint);
}

@media (max-width: 900px) {
  .page-layout { grid-template-columns: 1fr; row-gap: var(--space-5); }
  .page-layout > .page-note { grid-column: 1; }

  /* In one column the note sits under its paragraph, so the arrow turns to
     point back up at it. */
  .page-note {
    padding-top: 0;
    padding-left: var(--space-4);
    border-left: 1px solid var(--color-plum-rule);
  }
  .page-note__arrow { transform: rotate(90deg); }
}

/* ---- Site footer ---- */

.site-footer {
  border-top: 1px solid var(--color-ink-line);
  background: var(--color-ink);
  color: rgba(250, 246, 239, 0.86);
  padding-block: var(--space-9) var(--space-6);
}

.site-footer a { color: inherit; }

.site-footer__status {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: var(--tracking-wide);
  text-transform: uppercase;
  color: rgba(250, 246, 239, 0.7);
}

.status-dot {
  width: 7px; height: 7px;
  border-radius: 50%;
  background: #8fd19e;
  box-shadow: 0 0 0 3px rgba(143, 209, 158, 0.2);
  flex-shrink: 0;
}

/* The inside back cover, not a sitemap. One chapter row, one base line. */

.site-footer__chapters {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2) var(--space-6);
  padding-block: var(--space-7);
  margin-top: var(--space-6);
  border-top: 1px solid rgba(250, 246, 239, 0.14);
  border-bottom: 1px solid rgba(250, 246, 239, 0.14);
}

.site-footer__chapters a {
  font-family: var(--font-display);
  font-optical-sizing: auto;
  font-size: var(--text-md);
  text-decoration: none;
  color: rgba(250, 246, 239, 0.82);
  transition: color var(--duration-fast) var(--ease-ink);
}
.site-footer__chapters a:hover { color: var(--color-paper); }

.site-footer__base {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-3) var(--space-6);
  padding-top: var(--space-5);
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: rgba(250, 246, 239, 0.5);
}

.site-footer__base a { color: rgba(250, 246, 239, 0.72); }
.site-footer__base a:hover { color: var(--color-paper); }
.site-footer .page-mark { color: rgba(250, 246, 239, 0.42); }

/* ---- Entry card (used for field-note tiles) ---- */

.entry-card {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
  background: var(--color-paper-raised);
  border: 1px solid var(--color-ink-line);
  padding: var(--space-6);
  text-decoration: none;
  color: var(--color-ink);
  transition: transform var(--duration-base) var(--ease-ink), box-shadow var(--duration-base) var(--ease-ink), border-color var(--duration-base) var(--ease-ink);
}

a.entry-card:hover,
a.entry-card:focus-visible {
  transform: translateY(-5px) rotate(-0.4deg);
  box-shadow: var(--shadow-paper-lift);
  border-color: var(--color-ink-line-strong);
}

.entry-card__meta {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: var(--color-ink-faint);
  letter-spacing: var(--tracking-wide);
  text-transform: uppercase;
}

.entry-card__title { font-size: var(--text-md); }

.entry-card__excerpt {
  font-size: var(--text-sm);
  color: var(--color-ink-soft);
  line-height: var(--leading-relaxed);
}

.entry-card__foot {
  margin-top: auto;
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: var(--color-eggplant);
  letter-spacing: var(--tracking-wide);
  text-transform: uppercase;
}

.entry-card__foot svg { transition: transform var(--duration-base) var(--ease-ink); }
a.entry-card:hover .entry-card__foot svg { transform: translateX(3px); }

.divider {
  width: 100%;
  height: 22px;
  background-repeat: repeat-x;
  background-position: center;
  background-size: 64px 22px;
  opacity: 0.5;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='64' height='22'%3E%3Cpath d='M2 11c6-9 10 9 16 0s10-9 16 0 10 9 16 0 10-9 14 0' fill='none' stroke='%2358524a' stroke-width='1.2' stroke-linecap='round'/%3E%3C/svg%3E");
}

/* ---- Chapter stub (placeholder pages not yet rebuilt) ---- */

.chapter-stub {
  min-height: 62vh;
  display: flex;
  align-items: center;
  padding-block: var(--space-10);
}

.chapter-stub__inner { max-width: 40rem; }
.chapter-stub__inner .lede { margin-block: var(--space-5) var(--space-6); }

.chapter-stub__actions {
  display: flex;
  align-items: center;
  gap: var(--space-5);
  flex-wrap: wrap;
}