/* ATCCR · Atlas plates.
   Two grounds that hard-cut: the lightbox (Prussian blue, bone ink) and the
   page (bone paper, blue-black ink). One vermilion hue, two stops, keyed to
   the ground. No drift: a plate is a page, and pages do not blend. */

:root {
  --blue: #0A1F44;  --blue-2: #10295A;  --bone: #EEE9DF;  --bone-soft: #A9B6D3;  --verm-b: #FF7657;
  --paper: #EFEBE3; --paper-2: #E4DED2; --ink: #0B1B3A;   --ink-soft: #4A5670;   --verm-p: #B8321C;

  --sc-canvas: var(--blue); --sc-surface: var(--blue-2);
  --sc-ink: var(--bone); --sc-ink-soft: var(--bone-soft);
  --sc-accent: var(--verm-b); --sc-accent-ink: var(--blue);

  --sc-font-display: "Newsreader", "Iowan Old Style", Georgia, serif;
  --sc-font-text: "Geist", system-ui, -apple-system, "Segoe UI", sans-serif;
  --sc-font-mono: var(--sc-font-text);

  --sc-shadow-color: 222 70% 6%;
  --sc-r-sm: 2px;

  --index-w: 0rem;
  --gut: clamp(1.25rem, 4vw, 4rem);
  --bar-h: 3.5rem;
}
@media (min-width: 1100px) { :root { --index-w: 14.5rem; --bar-h: 0rem; } }

html { background: var(--blue); }
body { font-optical-sizing: auto; }

/* grounds ------------------------------------------------------------- */
.g-blue  { --sc-canvas: var(--blue);  --sc-surface: var(--blue-2);  --sc-ink: var(--bone); --sc-ink-soft: var(--bone-soft);
           --sc-accent: var(--verm-b); --sc-accent-ink: var(--blue);  --line: var(--bone);
           background: var(--blue); color: var(--sc-ink); }
.g-paper { --sc-canvas: var(--paper); --sc-surface: var(--paper-2); --sc-ink: var(--ink);  --sc-ink-soft: var(--ink-soft);
           --sc-accent: var(--verm-p); --sc-accent-ink: #F7F3EC;    --line: var(--ink);
           --sc-shadow-color: 32 20% 30%;
           background: var(--paper); color: var(--sc-ink); }
.g-paper ::selection { background: var(--verm-p); color: #F7F3EC; }

.plate { position: relative; }
.plate__in {
  padding: calc(var(--sc-section) * 0.7 + var(--bar-h)) var(--gut) calc(var(--sc-section) * 0.75) calc(var(--index-w) + var(--gut));
  max-width: calc(var(--index-w) + 84rem);
}

/* type ---------------------------------------------------------------- */
.h2 {
  font-family: var(--sc-font-display); font-weight: 400;
  font-size: var(--sc-t-3xl); line-height: 1.02; letter-spacing: -0.022em;
  text-wrap: balance; margin: 0;
}
.body { color: var(--sc-ink-soft); max-width: 58ch; text-wrap: pretty; margin: 0; }
.g-blue .body { letter-spacing: 0.002em; }
.num {
  display: inline-grid; place-items: center; flex: none;
  width: 1.55em; height: 1.55em; margin-right: 0.6em; border-radius: 50%;
  border: 1px solid currentColor; font: 500 0.72rem/1 var(--sc-font-text);
  font-variant-numeric: tabular-nums; vertical-align: 0.12em;
}
.source, .figcap { font-size: var(--sc-t-xs); color: var(--sc-ink-soft); line-height: 1.5; margin: 0; max-width: 60ch; }
.figcap { margin-top: var(--sc-3); letter-spacing: 0.01em; }
.source a { color: inherit; }
.soft { color: var(--sc-ink-soft); }
.sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip-path: inset(50%); white-space: nowrap; }

/* The running head is the atlas folio: a hairline with the plate number and
   title, set at the top edge of every plate. It is not an eyebrow. */
.runhead {
  display: flex; justify-content: space-between; gap: 1rem; margin: 0 0 var(--sc-7);
  padding-bottom: 0.55rem; border-bottom: 1px solid color-mix(in oklab, var(--sc-ink) 22%, transparent);
  font: 500 var(--sc-t-xs)/1 var(--sc-font-text); letter-spacing: 0.12em; text-transform: uppercase;
  color: var(--sc-ink-soft);
}
.runhead span:first-child { color: var(--sc-ink); }

/* buttons and links ---------------------------------------------------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; white-space: nowrap;
  min-height: 3rem; padding: 0 1.5rem; border: 0; border-radius: var(--sc-r-sm);
  background: var(--sc-accent); color: var(--sc-accent-ink);
  font: 600 0.98rem/1 var(--sc-font-text); letter-spacing: 0.01em; text-decoration: none; cursor: pointer;
  box-shadow: var(--sc-e1);
  transition: transform 140ms var(--sc-ease-out), background-color 160ms var(--sc-ease-out), box-shadow 160ms var(--sc-ease-out);
}
@media (hover: hover) and (pointer: fine) {
  .btn:hover { background: color-mix(in oklab, var(--sc-accent) 88%, white); box-shadow: var(--sc-e2); }
}
.btn:active { transform: translateY(1px) scale(0.98); }
.btn:disabled { opacity: 0.45; cursor: default; }
.link {
  color: var(--sc-ink); font-weight: 500; text-decoration: underline;
  text-decoration-color: color-mix(in oklab, var(--sc-ink) 40%, transparent);
  text-underline-offset: 0.3em; transition: text-decoration-color 160ms var(--sc-ease-out);
}
@media (hover: hover) and (pointer: fine) { .link:hover { text-decoration-color: var(--sc-accent); } }

.skip {
  position: fixed; left: 1rem; top: 1rem; z-index: 100; padding: 0.6rem 1rem;
  background: var(--bone); color: var(--blue); transform: translateY(-200%);
  transition: transform 160ms var(--sc-ease-out);
}
.skip:focus { transform: none; }

/* ======================================================= the index ==== */
.index { position: fixed; z-index: var(--sc-z-chrome); color: var(--bone); --ci: var(--bone); --cs: var(--bone-soft); --ca: var(--verm-b); }
[data-on="paper"] { --ci: var(--ink); --cs: var(--ink-soft); --ca: var(--verm-p); }
[data-on="blue"]  { --ci: var(--bone); --cs: var(--bone-soft); --ca: var(--verm-b); }
.index [data-chrome] { color: var(--ci); transition: color 120ms var(--sc-ease-out); }

.index__mark { display: grid; grid-template-columns: auto 1fr; column-gap: 0.7rem; align-items: center; text-decoration: none; }
.index__logo { grid-row: span 2; width: 2.8rem; height: 2.2rem; background: currentColor; -webkit-mask: url(assets/img/logo-mask.png) center / contain no-repeat; mask: url(assets/img/logo-mask.png) center / contain no-repeat; }
.index__word { display: block; font: 600 1.5rem/1 var(--sc-font-display); letter-spacing: 0.06em; }
.index__name { display: block; margin-top: 0.45rem; font-size: 0.72rem; line-height: 1.35; color: var(--cs); letter-spacing: 0.01em; }
.index__pict { width: 3rem; height: 3rem; overflow: visible; }
.index__pict path { fill: none; stroke: var(--cs); stroke-width: 2.2; stroke-linecap: round; transition: stroke 260ms var(--sc-ease-out); }
.index__pict path.is-done { stroke: var(--ca); }
.index__title { margin: 0 0 0.7rem; font-size: 0.68rem; letter-spacing: 0.14em; text-transform: uppercase; color: var(--cs) !important; }
.index__list { list-style: none; margin: 0; padding: 0; }
.index__list a {
  display: flex; align-items: baseline; gap: 0.7rem; padding: 0.3rem 0;
  font-size: 0.86rem; color: var(--cs); text-decoration: none;
  transition: color 160ms var(--sc-ease-out);
}
.index__list .n { width: 1.8rem; flex: none; font: italic 400 0.95rem/1 var(--sc-font-display); }
.index__list a[aria-current="true"] { color: var(--ci); }
.index__list a[aria-current="true"] .n { color: var(--ca); }
@media (hover: hover) and (pointer: fine) { .index__list a:hover { color: var(--ci); } }
.index__cta {
  display: inline-block; margin-top: 1.2rem; font-weight: 600; font-size: 0.92rem; text-decoration: underline;
  text-decoration-color: var(--ca); text-decoration-thickness: 2px; text-underline-offset: 0.32em; color: var(--ci);
}
.folio { display: none; }

/* FR / EN */
.lang { display: flex; align-items: center; gap: 0.15rem; font-size: 0.78rem; letter-spacing: 0.1em; }
.lang > span { color: var(--cs); }
.lang button {
  min-height: 2.75rem; min-width: 2.25rem; padding: 0 0.35rem; border: 0; background: none; cursor: pointer;
  font: inherit; font-weight: 500; letter-spacing: inherit; color: var(--cs);
  text-decoration: none; transition: color 120ms var(--sc-ease-out);
}
.lang button[aria-pressed="true"] {
  color: var(--ci); text-decoration: underline; text-decoration-color: var(--ca);
  text-decoration-thickness: 2px; text-underline-offset: 0.4em;
}
@media (hover: hover) and (pointer: fine) { .lang button:hover { color: var(--ci); } }
.lang button:active { transform: translateY(1px); }
@media (min-width: 1100px) { .lang { margin: -0.6rem 0 0 -0.35rem; } }

@media (min-width: 1100px) {
  .index {
    top: 0; left: 0; bottom: 0; width: var(--index-w);
    padding: 2.1rem 0 2rem var(--gut);
    display: flex; flex-direction: column; gap: 1.6rem; pointer-events: none;
  }
  .index > * { pointer-events: auto; }
  .index__nav { margin-top: auto; margin-bottom: 0; }
}

/* narrower screens: a folio bar, the table opens as a sheet */
@media (max-width: 1099.98px) {
  .index {
    top: 0; left: 0; right: 0; height: var(--bar-h);
    display: flex; align-items: center; justify-content: space-between; gap: 1rem;
    padding: 0 var(--gut);
    background: color-mix(in oklab, var(--bg, var(--blue)) 94%, transparent);
    transition: background-color 120ms var(--sc-ease-out);
  }
  .index[data-on="paper"] { --bg: var(--paper); }
  .index__name, .index__pict { display: none; }
  .index__word { font-size: 1.2rem; }
  .lang { margin-left: auto; }
  .folio { display: flex; align-items: center; gap: 0.9rem; font-size: 0.82rem; }
  .folio__cur { color: var(--cs); }
  .folio__btn {
    min-height: 2.75rem; padding: 0 0.9rem; border: 1px solid color-mix(in oklab, var(--ci) 40%, transparent);
    border-radius: var(--sc-r-sm); background: transparent; color: var(--ci); font-weight: 500; font-size: 0.82rem; cursor: pointer;
  }
  .index__nav {
    position: fixed; inset: var(--bar-h) 0 auto 0; padding: 1.4rem var(--gut) 2rem;
    background: var(--blue); color: var(--bone); --ci: var(--bone); --cs: var(--bone-soft); --ca: var(--verm-b);
    border-bottom: 1px solid color-mix(in oklab, var(--bone) 18%, transparent);
    box-shadow: var(--sc-e3);
    opacity: 0; visibility: hidden; transform: translateY(-0.5rem);
    transition: opacity 200ms var(--sc-ease-out), transform 200ms var(--sc-ease-out), visibility 0s linear 200ms;
  }
  .index.is-open .index__nav { opacity: 1; visibility: visible; transform: none; transition-delay: 0s; }
  .index__nav [data-chrome] { --ci: var(--bone); --cs: var(--bone-soft); --ca: var(--verm-b); }
  .index__list a { padding: 0.6rem 0; font-size: 1rem; }
}

@media (max-width: 459.98px) { .folio__cur { display: none; } .index { gap: 0.5rem; } }

/* ================================================= frontispiece ====== */
.front { background: var(--blue); }
.front > * { position: absolute; }
.front__glow {
  inset: -10%;
  background: radial-gradient(52% 48% at var(--gx, 54%) var(--gy, 46%), color-mix(in oklab, #2A5BB0 34%, transparent), transparent 72%);
  opacity: 0.9; will-change: opacity, transform;
}
.front__far, .front__mid, .front__lead { inset: 0; width: 100%; height: 100%; max-width: none; overflow: visible; will-change: transform, opacity; }
.front__far .grid { stroke: color-mix(in oklab, var(--bone) 7%, transparent); stroke-width: 1; fill: none; }
.front__far .grid--major { stroke: color-mix(in oklab, var(--bone) 12%, transparent); }
.front__far .border { stroke: color-mix(in oklab, var(--bone) 34%, transparent); stroke-width: 1; fill: none; }
.front__far .reg { stroke: color-mix(in oklab, var(--bone) 46%, transparent); stroke-width: 1; fill: none; }

/* the drawing itself: one ink, three weights */
.ink { fill: none; stroke: var(--line, var(--bone)); stroke-linecap: round; stroke-linejoin: round; }
.ink--w { stroke-width: 1.6; }
.ink--m { stroke-width: 1.05; opacity: 0.82; }
.ink--h { stroke-width: 0.8; opacity: 0.5; }
.ink--fill { fill: color-mix(in oklab, var(--blue-2) 70%, var(--blue)); stroke: none; }
.g-paper .ink--fill { fill: var(--paper); }

.draw { stroke-dasharray: 1 1; stroke-dashoffset: 1; }
.is-drawn .draw { animation: draw var(--dur, 1.8s) var(--sc-ease-in-out) var(--del, 0s) forwards; }
@keyframes draw { to { stroke-dashoffset: 0; } }
.fadein { opacity: 0; }
.is-drawn .fadein { animation: fadein 900ms var(--sc-ease-out) var(--del, 0.6s) forwards; }
@keyframes fadein { to { opacity: 1; } }
/* once the opening draw is over, drop the animations so a rebuild (resize)
   lands fully drawn instead of drawing itself again */
.is-settled .draw { animation: none; stroke-dashoffset: 0; }
.is-settled .fadein { animation: none; opacity: 1; }

.front__copy {
  left: calc(var(--index-w) + 16vw); top: 32vh; width: min(38rem, 56vw);
  z-index: 4; will-change: transform, opacity;
}
.front__h1 {
  margin: 0; font-family: var(--sc-font-display); font-weight: 380;
  font-size: clamp(2.3rem, 0.8rem + 3.1vw, 4.8rem); line-height: 1.02; letter-spacing: -0.026em; text-wrap: balance;
}
.front__h1 em { font-style: italic; font-weight: 340; color: var(--verm-b); }
.front__sub { margin: 1.4rem 0 0; max-width: 36ch; color: var(--bone-soft); font-size: var(--sc-t-base); line-height: 1.6; text-wrap: pretty; letter-spacing: 0.004em; }
.front__act { margin: 2rem 0 0; display: flex; align-items: center; gap: 1.6rem; flex-wrap: wrap; }
.front__beat {
  margin: 0; z-index: 4; opacity: 0;
  font: 400 var(--sc-t-2xl)/1.1 var(--sc-font-display); letter-spacing: -0.015em;
  left: calc(var(--index-w) + 16vw); top: 40vh; will-change: transform, opacity;
}
.front__beat em { color: var(--verm-b); }
.front__lead { z-index: 5; }
.front__lead .leader { stroke: color-mix(in oklab, var(--bone) 70%, transparent); stroke-width: 1; fill: none; }
.front__lead .dot { fill: var(--bone); }
.front__labels { inset: 0; z-index: 6; pointer-events: none; }
.lab {
  position: absolute; display: inline-flex; align-items: center; white-space: nowrap;
  padding: 0.18rem 0.45rem; background: var(--blue);
  font: 500 0.7rem/1 var(--sc-font-text); letter-spacing: 0.1em; text-transform: uppercase; color: var(--bone-soft);
  will-change: transform, opacity;
}
.lab .num { width: 1.6em; height: 1.6em; margin-right: 0.5em; font-size: 0.66rem; color: var(--bone); }
.front__cap {
  right: var(--gut); bottom: 1.25rem; margin: 0; z-index: 4;
  font-size: 0.68rem; letter-spacing: 0.12em; text-transform: uppercase; color: var(--bone-soft);
}

/* ===================================================== I · constat ==== */
.constat { display: grid; gap: var(--sc-8); align-items: end; }
@media (min-width: 900px) { .constat { grid-template-columns: minmax(0, 5fr) minmax(0, 6fr); gap: var(--sc-9); } }
.constat__text > .h2 { max-width: 14ch; }
.legend { margin: 0; padding: 0; list-style: none; }
.legend > div, .legend > li { display: flex; align-items: baseline; gap: 0.2rem; padding: 0.6rem 0; border-top: 1px solid color-mix(in oklab, var(--sc-ink) 14%, transparent); }
.legend dt { font-weight: 600; min-width: 5.5rem; }
.legend dd { margin: 0; color: var(--sc-ink-soft); }
.constat__fig { margin: 0; }
.bars {
  position: relative; display: flex; align-items: flex-end; gap: 12%;
  height: clamp(18rem, 52vh, 32rem); padding: 0 6% 0 4%;
  border-bottom: 1.5px solid var(--sc-ink);
}
/* section-line ground symbol under the baseline, as in a technical drawing */
.bars::after {
  content: ""; position: absolute; left: 0; right: 0; top: 100%; height: 0.7rem;
  background: repeating-linear-gradient(135deg, color-mix(in oklab, var(--sc-ink) 35%, transparent) 0 1px, transparent 1px 7px);
}
.bar { position: relative; flex: 1; height: calc(var(--h) * 78%); }
.bar::before {
  content: ""; position: absolute; inset: 0; border: 1.5px solid var(--sc-ink); border-bottom: 0;
  transform-origin: 50% 100%; transform: scaleY(0.001);
  transition: transform 1200ms var(--sc-ease-out) 120ms;
}
.bar--proj::before {
  border-style: dashed;
  background: repeating-linear-gradient(135deg, color-mix(in oklab, var(--verm-p) 55%, transparent) 0 1px, transparent 1px 9px);
}
.is-in .bar::before, .constat__fig.sc-in .bar::before { transform: none; }
.bar__num {
  position: absolute; left: 0; bottom: calc(100% + 0.6rem);
  font: 400 var(--sc-t-3xl)/1 var(--sc-font-display); letter-spacing: -0.02em;
  font-variant-numeric: lining-nums tabular-nums; white-space: nowrap;
}
.bar--proj .bar__num { color: var(--verm-p); }
.bar__lab { position: absolute; left: 0; top: calc(100% + 1.2rem); font-weight: 600; font-size: var(--sc-t-sm); }
.constat__fig .figcap { margin-top: 3.4rem; }
.silence {
  margin: 0; min-height: 56vh; display: flex; align-items: center;
  font: 400 var(--sc-t-3xl)/1.08 var(--sc-font-display); letter-spacing: -0.02em; max-width: 18ch;
  padding-top: var(--sc-9);
}

/* ===================================================== II · fenêtre ==== */
.win { background: var(--blue); }
.win__in {
  height: 100%;
  padding: calc(1.6rem + var(--bar-h)) var(--gut) 1.5rem calc(var(--index-w) + var(--gut));
  display: grid; grid-template-columns: minmax(0, 1fr) minmax(17rem, 22rem); column-gap: var(--sc-8);
  grid-template-rows: auto auto minmax(0, 1fr);
}
.win__in > .runhead { grid-column: 1 / -1; margin-bottom: var(--sc-5); }
.win__h2 { grid-column: 1; font-size: var(--sc-t-2xl); max-width: 22ch; letter-spacing: -0.018em; }
.win__fig { grid-column: 1; grid-row: 3; margin: 0; align-self: center; min-height: 0; }
.win__svg { width: 100%; height: auto; max-height: calc(100svh - 18rem); overflow: hidden; }
.win__legend { grid-column: 2; grid-row: 2 / span 2; align-self: center; }
.win__stage { margin: 0; display: flex; align-items: center; }
.win__stage .num { width: 2.1rem; height: 2.1rem; font-size: 0.85rem; margin-right: 0.8rem; color: var(--verm-b); border-color: var(--verm-b); }
.win__term { font: 400 var(--sc-t-xl)/1.1 var(--sc-font-display); letter-spacing: -0.01em; }
.win__desc { margin-top: 0.9rem; min-height: 3.2em; font-size: var(--sc-t-sm); }
.win__out { margin-top: 1.3rem; padding-top: 1rem; border-top: 1px solid color-mix(in oklab, var(--bone) 20%, transparent); }
.win__ifl { margin: 0; font-size: var(--sc-t-xs); letter-spacing: 0.1em; text-transform: uppercase; color: var(--bone-soft); }
.win__outcome { margin: 0.5rem 0 0; min-height: 2.9em; font-size: var(--sc-t-base); line-height: 1.45; transition: color 200ms var(--sc-ease-out); }
.is-screened .win__outcome { color: var(--verm-b); }
.btn--screen { margin-top: 1.3rem; width: 100%; }
.win__hint { margin: 0.6rem 0 0; font-size: var(--sc-t-xs); color: var(--bone-soft); }
.win__note { margin: 1.4rem 0 0; font-size: var(--sc-t-xs); line-height: 1.55; color: var(--bone); max-width: 40ch; }
.swap { transition: opacity 160ms var(--sc-ease-out); }
.swap.is-out { opacity: 0; }

.win__axis { position: relative; height: 4.6rem; margin-top: 2.2rem; border-top: 1px solid color-mix(in oklab, var(--bone) 40%, transparent); --t: 0; }
.win__band {
  position: absolute; left: 21%; width: 52%; top: -4px; height: 7px; background: var(--verm-b); border-radius: 1px;
}
.win__band span {
  position: absolute; left: 0; bottom: 0.85rem; white-space: nowrap;
  font-size: 0.68rem; font-weight: 600; letter-spacing: 0.12em; text-transform: uppercase; color: var(--verm-b);
}
.win__ticks { list-style: none; margin: 0; padding: 0; position: absolute; inset: 0; }
.win__ticks li {
  position: absolute; top: 0.9rem; translate: -50% 0; white-space: nowrap;
  font-size: 0.72rem; color: var(--bone-soft); transition: color 200ms var(--sc-ease-out);
}
.win__ticks li::before { content: ""; position: absolute; left: 50%; top: -0.9rem; width: 1px; height: 0.5rem; background: currentColor; }
.win__ticks li:nth-child(1) { left: 0; translate: 0 0; }
.win__ticks li:nth-child(1)::before { left: 0; }
.win__ticks li:nth-child(2) { left: 25%; }
.win__ticks li:nth-child(3) { left: 50%; }
.win__ticks li:nth-child(4) { left: 75%; }
.win__ticks li:nth-child(5) { left: 100%; translate: -100% 0; }
.win__ticks li:nth-child(5)::before { left: auto; right: 0; }
.win__ticks li.is-cur { color: var(--bone); font-weight: 600; }
.win__head {
  position: absolute; top: -0.95rem; left: 0; width: 0; height: 0;
  transform: translateX(calc(var(--t) * var(--axw, 600px)));
  border-left: 7px solid transparent; border-right: 7px solid transparent; border-top: 9px solid var(--bone);
  margin-left: -7px;
}
.win__time { position: absolute; right: 0; bottom: 0; font-size: 0.66rem; letter-spacing: 0.1em; text-transform: uppercase; color: var(--bone-soft); }

/* cross-section drawing */
.xs-lumen { fill: color-mix(in oklab, var(--blue-2) 40%, var(--blue)); }
.xs-wall  { fill: color-mix(in oklab, var(--blue-2) 85%, var(--blue)); }
.xs-polyp { fill: color-mix(in oklab, #1B3A78 70%, var(--blue)); stroke: var(--bone); stroke-width: 1.6; stroke-linejoin: round; }
.xs-cancer { fill: url(#xhatch); stroke: var(--verm-b); stroke-width: 1.4; stroke-linejoin: round; }
.xs-node { fill: none; stroke: var(--bone); stroke-width: 1.1; opacity: 0.7; }
.xs-node.is-hit { stroke: var(--verm-b); opacity: 1; fill: url(#xhatch); }
.xs-snare { fill: none; stroke: var(--verm-b); stroke-width: 2.2; stroke-linecap: round; }
.xs-cut { fill: none; stroke: var(--verm-b); stroke-width: 1.8; stroke-dasharray: 8 7; }
.xs-text {
  font: 500 13px var(--sc-font-text); letter-spacing: 0.12em; text-transform: uppercase; fill: var(--bone-soft);
  paint-order: stroke; stroke: var(--blue-2); stroke-width: 6px; stroke-linejoin: round;
}
.xs-text--v { fill: var(--verm-b); }

/* ===================================================== III · geste ==== */
.geste { display: grid; gap: var(--sc-6); }
.geste__head .h2 { max-width: 16ch; }
.geste__fig { margin: var(--sc-4) 0 0; }
.geste__svg { width: 100%; height: auto; overflow: visible; }
.legend--stitches { display: grid; gap: 0 var(--sc-8); }
@media (min-width: 900px) { .legend--stitches { grid-template-columns: 1fr 1fr; } }
.legend--stitches li { color: var(--sc-ink-soft); font-size: var(--sc-t-sm); line-height: 1.5; }
.legend--stitches b { color: var(--sc-ink); font-weight: 600; }
.legend--stitches .num { color: var(--verm-p); }
.st-num { font: 600 15px var(--sc-font-text); fill: var(--verm-p); }
.st-ring { fill: var(--paper); stroke: var(--verm-p); stroke-width: 1.2; }
.st { fill: none; stroke: var(--verm-p); stroke-width: 2.2; stroke-linecap: round; }

/* ===================================================== IV · données ==== */
.data { background: var(--blue); }
.data__in {
  height: 100%;
  padding: calc(1.6rem + var(--bar-h)) var(--gut) 1.6rem calc(var(--index-w) + var(--gut));
  display: grid; grid-template-columns: minmax(0, 4fr) minmax(0, 6fr); grid-template-rows: auto minmax(0, 1fr);
  column-gap: var(--sc-8);
}
.data__in > .runhead { grid-column: 1 / -1; }
.data__text { align-self: center; }
.data__text .h2 { font-size: var(--sc-t-2xl); max-width: 15ch; }
.stats { margin: var(--sc-6) 0 var(--sc-5); display: grid; grid-template-columns: 1fr 1fr; gap: var(--sc-5) var(--sc-6); }
.stats div { border-top: 1px solid color-mix(in oklab, var(--bone) 22%, transparent); padding-top: 0.6rem; }
.stats dt { font-size: var(--sc-t-xs); letter-spacing: 0.08em; text-transform: uppercase; color: var(--bone-soft); }
.stats dd { margin: 0.3rem 0 0; font: 400 var(--sc-t-2xl)/1 var(--sc-font-display); letter-spacing: -0.02em; font-variant-numeric: lining-nums tabular-nums; white-space: nowrap; }
.stats dd.stats__years { font-size: var(--sc-t-xl); padding-top: 0.35em; }
.data__fig { margin: 0; align-self: center; min-height: 0; display: flex; flex-direction: column; }
.data__dots { width: min(100%, calc((100svh - 13rem) * 40 / 23)); aspect-ratio: 40 / 23; height: auto; }

/* ===================================================== V · congrès ==== */
.cong { background: var(--paper); display: flex; flex-direction: column; justify-content: center; }
/* the rail passes behind the index margin, not under its text */
@media (min-width: 1100px) {
  .cong {
    -webkit-mask-image: linear-gradient(to right, transparent calc(var(--index-w) - 0.5rem), #000 calc(var(--index-w) + var(--gut) * 0.6));
    mask-image: linear-gradient(to right, transparent calc(var(--index-w) - 0.5rem), #000 calc(var(--index-w) + var(--gut) * 0.6));
  }
}
.cong__run { position: absolute; top: calc(1.6rem + var(--bar-h)); left: calc(var(--index-w) + var(--gut)); right: var(--gut); }
.rail { align-items: flex-start; gap: 0; padding-left: calc(var(--index-w) + var(--gut)); padding-right: var(--gut); width: max-content; }
.rail__lead { width: min(30rem, 78vw); padding-right: var(--sc-8); flex: none; }
.rail__lead .h2 { font-size: var(--sc-t-2xl); max-width: 12ch; }
.rail__lead .body { margin-top: var(--sc-4); }
.ed {
  position: relative; flex: none; width: clamp(13.5rem, 17vw, 17rem); padding: 1.6rem 1.6rem 0 0;
  border-top: 1px solid color-mix(in oklab, var(--ink) 40%, transparent);
  margin-top: 0.6rem;
}
.ed::before { content: ""; position: absolute; left: 0; top: -0.45rem; width: 1px; height: 0.9rem; background: var(--ink); }
.ed p { margin: 0; }
.ed__n { font: 400 var(--sc-t-3xl)/1 var(--sc-font-display); letter-spacing: -0.03em; }
.ed__n sup { font-size: 0.42em; vertical-align: 0.95em; margin-left: 0.04em; letter-spacing: 0; }
.ed__d { margin-top: 0.9rem !important; font-weight: 600; font-size: var(--sc-t-sm); }
.ed__p { font-size: var(--sc-t-sm); color: var(--ink-soft); }
.ed__x { margin-top: 0.75rem !important; font-size: var(--sc-t-sm); line-height: 1.5; color: var(--ink-soft); max-width: 24ch; }
.ed--gap .ed__n, .ed--gap .ed__d { color: var(--ink-soft); }
.ed--gap { border-top-style: dotted; }
.ed--now .ed__n { color: var(--verm-p); }
.ed--now::before { background: var(--verm-p); width: 2px; }
.ed--next { border-top-style: dashed; }
.ed--next .ed__n { color: transparent; -webkit-text-stroke: 1px var(--ink); }
.rail__end { flex: none; width: min(34rem, 84vw); margin: 0 0 0 var(--sc-6); }
.compass__svg { width: 100%; height: auto; overflow: visible; }
.cp-ring { fill: none; stroke: color-mix(in oklab, var(--ink) 18%, transparent); stroke-width: 1; }
.cp-ray { fill: none; stroke: var(--ink); stroke-linecap: round; }
.cp-end { fill: var(--paper); stroke: var(--ink); stroke-width: 1.2; }
.cp-home { fill: var(--verm-p); }
.cp-lab { font: 500 12.5px var(--sc-font-text); fill: var(--ink); }
.cp-cnt { font: 400 21px var(--sc-font-display); fill: var(--verm-p); }
.cp-small { font: 500 10.5px var(--sc-font-text); letter-spacing: 0.12em; text-transform: uppercase; fill: var(--ink-soft); }

/* ===================================================== VI · bulletin ==== */
.bull { padding-bottom: var(--sc-7); }
.slip {
  --sc-ink: var(--ink); --sc-ink-soft: var(--ink-soft); --sc-accent: var(--verm-p); --sc-accent-ink: #F7F3EC;
  position: relative; max-width: 50rem; margin: 0; padding: 2.6rem clamp(1.25rem, 4vw, 3rem) 2.4rem;
  background: var(--paper); color: var(--ink); border-radius: 2px;
  box-shadow: 0 2px 4px hsl(222 70% 4% / 0.3), 0 22px 48px -12px hsl(222 70% 4% / 0.55), 0 60px 110px -40px hsl(222 70% 4% / 0.5);
}
.slip__perf {
  position: absolute; left: 0; right: 0; top: 0.9rem; height: 6px;
  background: radial-gradient(circle at 3px 3px, var(--blue) 2.2px, transparent 2.6px) 0 0 / 14px 6px repeat-x;
  opacity: 0.85;
}
.slip__top { display: flex; justify-content: space-between; align-items: baseline; gap: 1rem; flex-wrap: wrap; padding-top: 0.6rem; }
.slip__h { margin: 0; font: 400 var(--sc-t-2xl)/1.05 var(--sc-font-display); letter-spacing: -0.02em; }
.slip__ref { margin: 0; font-size: var(--sc-t-xs); letter-spacing: 0.12em; text-transform: uppercase; color: var(--ink-soft); }
.slip__roles { margin: 1.8rem 0 0; padding: 0; border: 0; display: grid; gap: 0.15rem 1.5rem; grid-template-columns: repeat(auto-fill, minmax(14rem, 1fr)); }
.slip__roles legend { padding: 0; margin-bottom: 0.7rem; font-size: var(--sc-t-xs); letter-spacing: 0.12em; text-transform: uppercase; color: var(--ink-soft); }
.slip__roles label { display: flex; align-items: center; gap: 0.75rem; min-height: 2.75rem; cursor: pointer; font-size: var(--sc-t-sm); }
.slip__roles input {
  appearance: none; flex: none; width: 1.15rem; height: 1.15rem; margin: 0; border: 1.5px solid var(--ink); border-radius: 1px;
  display: grid; place-items: center; background: transparent; cursor: pointer;
}
.slip__roles input::after {
  content: ""; width: 0.65rem; height: 0.65rem; background: var(--verm-p); transform: scale(0);
  transition: transform 140ms var(--sc-ease-out);
}
.slip__roles input:checked::after { transform: scale(1); }
.slip__roles input:checked + span { font-weight: 600; }
.slip__roles input:focus-visible { outline: 2px solid var(--verm-p); outline-offset: 3px; }
.slip__lines { margin: 1.6rem 0 0; }
.slip__lines div { display: grid; grid-template-columns: 7rem 1fr; gap: 1rem; padding: 0.7rem 0; border-bottom: 1px dotted color-mix(in oklab, var(--ink) 45%, transparent); }
.slip__lines dt { font-size: var(--sc-t-xs); letter-spacing: 0.1em; text-transform: uppercase; color: var(--ink-soft); padding-top: 0.2rem; }
.slip__lines dd { margin: 0; font-size: var(--sc-t-sm); line-height: 1.5; }
.slip__lines dd a { color: inherit; }
.slip__go { margin: 2rem 0 0; display: flex; align-items: baseline; gap: 1.2rem; flex-wrap: wrap; }
.slip__cta {
  font: italic 400 var(--sc-t-2xl)/1 var(--sc-font-display); letter-spacing: -0.015em; color: var(--ink);
  text-decoration: underline; text-decoration-color: var(--verm-p); text-decoration-thickness: 2px; text-underline-offset: 0.2em;
  transition: text-underline-offset 160ms var(--sc-ease-out), color 160ms var(--sc-ease-out);
}
@media (hover: hover) and (pointer: fine) { .slip__cta:hover { color: var(--verm-p); text-underline-offset: 0.28em; } }
.slip__cta:active { transform: translateY(1px); }
.slip__cta[hidden] { display: none; }
.slip__aside { font-size: var(--sc-t-xs); color: var(--ink-soft); }

.colophon {
  margin-top: var(--sc-9); display: grid; gap: var(--sc-6) var(--sc-7);
  grid-template-columns: repeat(auto-fit, minmax(15rem, 1fr));
  font-size: var(--sc-t-sm); line-height: 1.6; color: var(--bone-soft);
}
.colophon p { margin: 0; }
.colophon a { color: var(--bone); }
.colophon__h { color: var(--bone); font-size: var(--sc-t-xs); letter-spacing: 0.12em; text-transform: uppercase; margin-bottom: 0.5rem !important; }
.colophon__col--wide { grid-column: 1 / -1; max-width: 70rem; }
.colophon__ar { grid-column: 1 / -1; font: 500 1.35rem/1.6 "Noto Naskh Arabic", serif; color: var(--bone); text-align: start; }
.colophon__small { grid-column: 1 / -1; font-size: var(--sc-t-xs); border-top: 1px solid color-mix(in oklab, var(--bone) 16%, transparent); padding-top: 1rem; }

/* ===================================================== mobile ======== */
@media (max-width: 899.98px) {
  .win__in { grid-template-columns: minmax(0, 1fr); grid-template-rows: auto auto auto auto; row-gap: 0.4rem; padding-bottom: 1rem; }
  .win__in > .runhead { margin-bottom: 0.6rem; }
  .win__h2 { font-size: var(--sc-t-xl); }
  .win__fig { grid-row: 3; }
  .win__svg { max-height: 30svh; }
  .win__legend { grid-column: 1; grid-row: 4; align-self: start; }
  .win__axis { height: 3.6rem; margin-top: 1.9rem; }
  .win__ticks li { display: none; }
  .win__ticks li.is-cur { display: block; left: 50%; translate: -50% 0; }
  .win__ticks li.is-cur::before { display: none; }
  .win__time { display: none; }
  .win__desc { display: none; }
  .win__out { margin-top: 0.7rem; padding-top: 0.6rem; }
  .win__outcome { font-size: var(--sc-t-sm); min-height: 2.9em; }
  .btn--screen { margin-top: 0.8rem; }
  .win__hint { display: none; }
  .win__note { margin-top: 0.8rem; }
  .win__term { font-size: var(--sc-t-lg); }

  .data__in { grid-template-columns: minmax(0, 1fr); grid-template-rows: auto auto minmax(0, 1fr); }
  .data__text .h2 { font-size: var(--sc-t-xl); }
  .stats { margin: var(--sc-4) 0 var(--sc-3); gap: var(--sc-3) var(--sc-5); }
  .stats dd { font-size: var(--sc-t-xl); }
  .data__dots { aspect-ratio: 25 / 34.2; width: min(100%, calc(38svh * 25 / 34.2)); margin-inline: auto; }
  .data__fig .figcap { display: none; }

  .silence { min-height: 62vh; }
  .ed { width: 15rem; }
  .front__h1 { font-size: clamp(1.75rem, 1rem + 3.4vw, 2.6rem); }
  .front__sub { font-size: var(--sc-t-sm); margin-top: 1rem; }
  .front__act { margin-top: 1.4rem; gap: 1.2rem; }
  .front__cap { display: none; }
  .front__beat { font-size: var(--sc-t-xl); }
}
@media (max-width: 899.98px) and (max-height: 700px) {
  .win__note { display: none; }
  .data__text .source { display: none; }
}

/* ===================================================== reduced ======= */
@media (prefers-reduced-motion: reduce) {
  .draw { stroke-dashoffset: 0; animation: none !important; }
  .fadein, .front__far { opacity: 1; animation: none !important; }
  .bar::before { transform: none; transition: none; }
  /* Without motion the chronology is not a rail at all: it is laid out as a
     plain grid in document flow, so nothing needs sideways scrolling and no
     pinned span sits still under the wheel. */
  #congres { height: auto !important; }
  #congres .cong {
    position: relative; height: auto; overflow: visible; display: block;
    padding: calc(var(--sc-section) * 0.7 + var(--bar-h)) 0 var(--sc-section);
  }
  .cong__run { position: static; margin: 0 var(--gut) var(--sc-7) calc(var(--index-w) + var(--gut)); }
  .rail { width: auto; flex-wrap: wrap; row-gap: var(--sc-7); transform: none !important; }
  .rail__lead { width: 100%; padding-bottom: var(--sc-4); }
  .rail__end { margin: var(--sc-4) 0 0; }
}

/* =================================================== photographs ===== */
/* Each photo is printed twice: in the ground's ink (the atlas state) and in
   colour on top. The page fades the colour print in around mid-screen. */
.ph { margin: 0; }
.ph__frame {
  position: relative; overflow: hidden; aspect-ratio: var(--ar, 4/3);
  background: var(--sc-surface);
  box-shadow: 0 0 0 1px color-mix(in oklab, var(--sc-ink) 18%, transparent);
}
.ph__frame img { position: absolute; inset: 0; width: 100%; height: 100%; max-width: none; object-fit: cover; }
.ph__col { opacity: 0; will-change: opacity; }
.ph .figcap { margin-top: var(--sc-3); }
.duo { display: grid; gap: var(--sc-6); align-items: start; }
@media (min-width: 900px) { .duo { grid-template-columns: minmax(0, 7fr) minmax(0, 4fr); } }
.geste .duo { margin-top: var(--sc-6); }

/* congress rail: photo editions and the figures card */
.ed--ph { width: clamp(15rem, 20vw, 19rem); }
.ed--ph .ph { margin-top: 1.1rem; }
.ed--ph .figcap { max-width: 26ch; }
.ed--fig { width: clamp(17rem, 22vw, 21rem); }
.ed--fig .ed__d { margin-top: 0 !important; }
.figs { margin: 1rem 0 0; display: grid; grid-template-columns: 1fr 1fr; gap: 0.9rem 1.2rem; }
.figs div { border-top: 1px solid color-mix(in oklab, var(--ink) 18%, transparent); padding-top: 0.4rem; }
.figs dt { font: 400 var(--sc-t-xl)/1 var(--sc-font-display); letter-spacing: -0.02em; font-variant-numeric: lining-nums tabular-nums; }
.figs dd { margin: 0.2rem 0 0; font-size: var(--sc-t-xs); color: var(--ink-soft); line-height: 1.35; }
.figs div:last-child dt { color: var(--verm-p); }

/* ======================================================= VI · faculté == */
.fac__head { display: grid; gap: var(--sc-5); margin-bottom: var(--sc-8); }
@media (min-width: 900px) { .fac__head { grid-template-columns: minmax(0, 6fr) minmax(0, 5fr); align-items: end; } }
.fac__head .h2 { max-width: 14ch; }
.fac__lead { font-size: var(--sc-t-sm); color: var(--bone-soft); line-height: 1.55; }
.fac__lead p { margin: 0 0 0.6rem; }
.fac__lead b { display: block; color: var(--bone); font-size: var(--sc-t-xs); letter-spacing: 0.12em; text-transform: uppercase; font-weight: 500; }
.fac { list-style: none; margin: 0; padding: 0; display: grid; gap: var(--sc-6) var(--sc-5); grid-template-columns: repeat(auto-fill, minmax(9.5rem, 1fr)); }
.fac__p { width: 100%; }
.fac__mono {
  aspect-ratio: 1; display: grid; place-items: center;
  border: 1px solid color-mix(in oklab, var(--bone) 30%, transparent);
  background: repeating-linear-gradient(135deg, color-mix(in oklab, var(--bone) 7%, transparent) 0 1px, transparent 1px 8px);
  font: italic 400 var(--sc-t-2xl)/1 var(--sc-font-display); color: var(--bone-soft);
}
.fac__t { margin: 0.75rem 0 0; font-size: var(--sc-t-xs); line-height: 1.45; color: var(--bone-soft); }
.fac__t b { display: block; margin-bottom: 0.2rem; font: 400 1.05rem/1.2 var(--sc-font-display); color: var(--bone); letter-spacing: -0.005em; }
.fac__cap { margin-top: var(--sc-7); }

/* ===================================================== VII · programme == */
.prog { display: grid; gap: var(--sc-7); }
.prog__head .h2 { max-width: 13ch; }
.h3 { margin: 0 0 var(--sc-4); font: 400 var(--sc-t-xl)/1.1 var(--sc-font-display); letter-spacing: -0.012em; }
.legend--themes { display: grid; gap: 0 var(--sc-8); }
@media (min-width: 900px) { .legend--themes { grid-template-columns: 1fr 1fr; } }
.legend--themes li { color: var(--sc-ink-soft); font-size: var(--sc-t-sm); line-height: 1.5; }
.legend--themes b { color: var(--sc-ink); font-weight: 600; }
.legend--themes .num { color: var(--verm-p); }
.join { display: grid; gap: var(--sc-7); padding-top: var(--sc-6); border-top: 1px solid color-mix(in oklab, var(--ink) 25%, transparent); }
@media (min-width: 900px) { .join { grid-template-columns: 1fr 1fr; gap: var(--sc-9); } }
.fees { width: 100%; border-collapse: collapse; font-size: var(--sc-t-sm); }
.fees caption { text-align: left; caption-side: top; padding-bottom: 0.5rem; font-size: var(--sc-t-xs); letter-spacing: 0.12em; text-transform: uppercase; color: var(--ink-soft); }
.fees th, .fees td { padding: 0.55rem 0; border-bottom: 1px dotted color-mix(in oklab, var(--ink) 40%, transparent); text-align: left; vertical-align: baseline; }
.fees th { font-weight: 500; padding-right: 1rem; }
.fees td:nth-child(2) { font: 400 1.1rem/1 var(--sc-font-display); white-space: nowrap; padding-right: 1rem; font-variant-numeric: lining-nums tabular-nums; }
.fees td:nth-child(3) { color: var(--ink-soft); font-size: var(--sc-t-xs); }
.join__inc { margin-top: var(--sc-4); font-size: var(--sc-t-sm); }
.join__inc b, .subs b { color: var(--ink); font-weight: 600; }
.subs { list-style: none; margin: 0 0 var(--sc-4); padding: 0; font-size: var(--sc-t-sm); }
.subs li { display: flex; justify-content: space-between; gap: 1rem; padding: 0.55rem 0; border-bottom: 1px dotted color-mix(in oklab, var(--ink) 40%, transparent); color: var(--ink-soft); }
.join__go { margin: var(--sc-5) 0 0; }

/* ===================================================== VIII · le mot === */
.mot { display: grid; gap: var(--sc-8); margin-bottom: var(--sc-9); align-items: start; }
@media (min-width: 1000px) { .mot { grid-template-columns: minmax(0, 7fr) minmax(0, 5fr); } }
.letter {
  position: relative; margin: 0; padding: clamp(1.6rem, 4vw, 3.2rem) clamp(1.25rem, 4vw, 3.2rem) clamp(1.6rem, 3vw, 2.6rem);
  background: var(--paper); color: var(--ink); border-radius: 2px;
  box-shadow: 0 2px 4px hsl(222 70% 4% / 0.3), 0 22px 48px -12px hsl(222 70% 4% / 0.5);
  --sc-ink: var(--ink); --sc-ink-soft: var(--ink-soft); --sc-surface: var(--paper-2);
}
.letter__h { margin: 0 0 var(--sc-5); font: italic 400 var(--sc-t-2xl)/1.05 var(--sc-font-display); letter-spacing: -0.02em; max-width: 12ch; }
.letter__body { font: 400 1.08rem/1.65 var(--sc-font-display); max-width: 54ch; }
.letter__body p { margin: 0 0 1em; text-wrap: pretty; }
.letter__sig { margin: 1.6rem 0 0; font: italic 400 var(--sc-t-xl)/1.1 var(--sc-font-display); }
.letter__sig span { display: block; margin-top: 0.35rem; font: 400 var(--sc-t-xs)/1.4 var(--sc-font-text); letter-spacing: 0.1em; text-transform: uppercase; color: var(--ink-soft); font-style: normal; }
.letter__ph { width: min(40%, 13rem); margin: var(--sc-5) 0 0 auto; }
@media (min-width: 700px) {
  .letter { padding-right: calc(min(30%, 13rem) + 3.4rem); }
  .letter__ph { position: absolute; top: 2.6rem; right: 2.2rem; width: min(30%, 13rem); margin: 0; transform: rotate(1.6deg); }
  .letter__ph .ph__frame { box-shadow: 0 1px 2px hsl(32 20% 20% / 0.25), 0 10px 22px -8px hsl(32 20% 20% / 0.35); }
}
.people { display: grid; gap: var(--sc-6); }
.people .h3 { color: var(--bone); }
.people .body { font-family: var(--sc-font-display); font-style: italic; font-size: 1.06rem; color: var(--bone); }
.duo--tight { grid-template-columns: 1fr 1fr !important; gap: var(--sc-4); }

/* the emblem, printed: in the index, stamped on the slip, in the colophon */
.slip__stamp, .colophon__logo {
  display: block; background: currentColor;
  -webkit-mask: url(assets/img/logo-mask.png) center / contain no-repeat; mask: url(assets/img/logo-mask.png) center / contain no-repeat;
}
.slip__stamp {
  position: absolute; top: -1.6rem; right: clamp(1rem, 4vw, 2.4rem); width: 6.6rem; height: 5.2rem;
  color: var(--verm-p); opacity: 0.82; transform: rotate(-9deg); pointer-events: none;
}
.colophon__logo { grid-column: 1 / -1; width: 4.6rem; height: 3.6rem; color: var(--bone); opacity: 0.9; }
.rib { font-variant-numeric: tabular-nums; letter-spacing: 0.02em; color: var(--bone); white-space: nowrap; }
.copy {
  margin-top: 0.5rem; min-height: 2.75rem; padding: 0 0.9rem; border: 1px solid color-mix(in oklab, var(--bone) 40%, transparent);
  border-radius: var(--sc-r-sm); background: transparent; color: var(--bone); font: 500 0.82rem/1 var(--sc-font-text); cursor: pointer;
  transition: border-color 140ms var(--sc-ease-out), background-color 140ms var(--sc-ease-out);
}
@media (hover: hover) and (pointer: fine) { .copy:hover { border-color: var(--verm-b); } }
.copy:active { transform: translateY(1px); }
.copy.is-done { border-color: var(--verm-b); color: var(--verm-b); }

@media (max-width: 899.98px) {
  .ed--ph, .ed--fig { width: 16.5rem; }
  .fac { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: var(--sc-5) var(--sc-4); }
  .slip__stamp { width: 5rem; height: 4rem; top: -1.3rem; }
}