/* =========================================================
   Parc du LEF — carnet de terrain numérique
   Palette : papier + encre forêt + accents rouille / ardoise
   ========================================================= */

:root{
  --paper: #F2ECDC;
  --paper-deep: #E9E0C7;
  --paper-card: #FBF8EF;
  --ink: #26332A;
  --ink-soft: #4B5A48;
  --forest: #3B5D45;
  --forest-deep: #2C4735;
  --moss: #7C8F5B;
  --rust: #A15B25;
  --rust-deep: #82471A;
  --slate: #35586B;
  --line: rgba(38, 51, 42, 0.22);
  --line-soft: rgba(38, 51, 42, 0.12);
  --shadow: 0 10px 30px rgba(38, 51, 42, 0.12);
  --radius: 3px;
  --serif-display: "Fraunces", "Iowan Old Style", serif;
  --serif-body: "Newsreader", "Iowan Old Style", Georgia, serif;
  --mono: "IBM Plex Mono", ui-monospace, SFMono-Regular, Menlo, monospace;
}

*{box-sizing:border-box;}
html{scroll-behavior:smooth;}

body{
  margin:0;
  background:
    radial-gradient(ellipse at top left, rgba(255,255,255,0.35), transparent 55%),
    var(--paper);
  color:var(--ink);
  font-family:var(--serif-body);
  font-size:18px;
  line-height:1.65;
  -webkit-font-smoothing:antialiased;
}

/* subtle paper grain */
body::before{
  content:"";
  position:fixed; inset:0;
  pointer-events:none;
  z-index:0;
  opacity:0.5;
  background-image:
    radial-gradient(rgba(38,51,42,0.035) 1px, transparent 1px);
  background-size: 3px 3px;
}

/* naturalist wallpaper — visible in the margins either side of the
   content column, very faint behind the column itself */
body::after{
  content:"";
  position:fixed; inset:0;
  pointer-events:none;
  z-index:0;
  opacity:0.11;
  background-image: url('img/pattern-tile.png');
  background-size: 320px 320px;
  background-repeat: repeat;
  mix-blend-mode:multiply;
}
@media (max-width: 980px){
  body::after{ opacity:0.07; background-size:220px 220px; }
}

/* naturalist wallpaper — visible in the margins either side of the
   content column, very faint behind the column itself */


a{color:var(--rust); text-decoration-thickness:1px; text-underline-offset:3px;}
a:hover{color:var(--rust-deep);}
img{max-width:100%; display:block;}

.wrap{
  position:relative;
  max-width:860px;
  margin:0 auto;
  padding: 0 32px 0 64px;
}

/* stitched ledger margin line */
.wrap::before{
  content:"";
  position:absolute;
  top:0; bottom:0; left:34px;
  width:1px;
  background:repeating-linear-gradient(
    to bottom, var(--line) 0 6px, transparent 6px 13px
  );
}
.wrap::after{
  content:"";
  position:absolute;
  top:0; bottom:0; left:32px;
  width:5px;
  background-image: radial-gradient(circle, var(--moss) 1.4px, transparent 1.6px);
  background-size: 5px 34px;
  background-repeat: repeat-y;
  opacity:0.55;
}

@media (max-width: 720px){
  .wrap{padding: 0 20px;}
  .wrap::before, .wrap::after{display:none;}
}

/* ---------------- Header / hero ---------------- */

header.hero{
  position:relative;
  padding: 72px 0 56px;
  text-align:center;
  overflow:visible;
}

.hero-motif{
  position:absolute;
  width: 150px;
  opacity: 0.92;
  filter: drop-shadow(0 6px 10px rgba(38,51,42,0.15));
}
.hero-motif.chene{ top:-10px; left:-18px; width:150px; transform:rotate(-6deg);}
.hero-motif.chardonneret{ top:-4px; right:-10px; width:150px; transform:rotate(4deg);}
@media (max-width: 640px){
  header.hero{ padding-top:40px; text-align:center; }
  .hero-motif{
    position:static;
    display:inline-block;
    width:56px;
    opacity:0.9;
    filter:none;
    transform:none !important;
    margin:0 10px 16px;
  }
}

.eyebrow{
  font-family:var(--mono);
  font-size:12.5px;
  letter-spacing:0.16em;
  text-transform:uppercase;
  color:var(--forest);
  margin:0 0 18px;
}
.eyebrow::before{content:"◆ ";}

h1.title{
  font-family:var(--serif-display);
  font-optical-sizing:auto;
  font-weight:600;
  font-size:clamp(2.1rem, 5vw, 3.3rem);
  line-height:1.08;
  letter-spacing:-0.01em;
  color:var(--forest-deep);
  margin: 0 auto 20px;
  max-width:640px;
}
h1.title em{
  font-style:italic;
  font-weight:400;
  color:var(--rust);
}

.subtitle{
  font-family:var(--mono);
  font-size:14px;
  color:var(--ink-soft);
  letter-spacing:0.04em;
}

.hero-rule{
  width:120px;
  height:1px;
  margin:30px auto 0;
  background:linear-gradient(to right, transparent, var(--forest), transparent);
}

/* =========================================================
   Collapsible page plan (replaces a separate "sommaire" page)
   ========================================================= */

nav.page-plan{
  background:var(--paper-card);
  border:1px solid var(--line);
  border-radius:var(--radius);
  box-shadow:var(--shadow);
  padding: 20px 26px 22px;
  margin: 0 0 54px;
}
.page-plan-label{
  font-family:var(--mono);
  font-size:12px;
  letter-spacing:0.1em;
  text-transform:uppercase;
  color:var(--forest);
  margin:0 0 14px;
}
.plan-row{
  padding: 7px 0;
  border-bottom:1px dotted var(--line-soft);
}
.plan-row:last-child{ border-bottom:none; }

.plan-group{ border-bottom:1px dotted var(--line-soft); }
.plan-group:last-child{ border-bottom:none; }
.plan-group summary{
  display:flex; align-items:center; gap:9px;
  padding: 7px 0;
  cursor:pointer;
  list-style:none;
}
.plan-group summary::-webkit-details-marker{ display:none; }
.plan-group summary::marker{ content:""; }

.plan-arrow{
  display:inline-flex; align-items:center; justify-content:center;
  width:16px; flex:none;
  font-size:11px;
  color:var(--moss);
  transition: transform .2s ease;
}
.plan-group[open] > summary .plan-arrow{ transform: rotate(90deg); }

.plan-link{
  font-family:var(--mono);
  font-size:14px;
  color:var(--ink);
  text-decoration:none;
  display:inline-flex; align-items:center; gap:9px;
}
.plan-link:hover{ color:var(--rust-deep); }
.plan-row > .plan-link{ padding-left:25px; }

.plan-num{
  font-family:var(--mono);
  font-size:11.5px;
  color:#fff;
  background:var(--forest);
  padding:2px 7px;
  border-radius:2px;
  flex:none;
}
.plan-num.sub{ background:var(--moss); }

.plan-sub{
  padding: 2px 0 6px 25px;
  border-left:1px dotted var(--line);
  margin-left:7px;
  display:flex; flex-direction:column; gap:2px;
}
.plan-sub .plan-link{ padding:5px 0; }
.plan-group-nested{ border-bottom:none; }
.plan-group-nested summary{ padding:5px 0; }

@media (max-width:640px){
  nav.page-plan{ padding:18px 18px 20px; }
  .plan-link{ font-size:13px; }
}

/* ---------------- Section index tab (desktop) ---------------- */

nav.tabs{
  position:fixed;
  right:16px;
  top:50%;
  transform:translateY(-50%);
  z-index:20;
  display:flex;
  flex-direction:column;
  align-items:flex-end;
  gap:2px;
  font-family:var(--mono);
  font-size:11.5px;
}
nav.tabs a{
  display:block;
  padding:7px 10px;
  background:var(--paper-card);
  border:1px solid var(--line);
  border-right:3px solid var(--moss);
  color:var(--ink-soft);
  text-decoration:none;
  white-space:nowrap;
  max-width:30px;
  overflow:hidden;
  text-overflow:ellipsis;
  transition:max-width .28s ease, background .2s ease, color .2s ease;
  box-shadow:var(--shadow);
}
nav.tabs:hover a, nav.tabs a:focus-visible{
  max-width:220px;
}
nav.tabs a:hover, nav.tabs a:focus-visible{
  color:var(--forest-deep);
  background:#fff;
}
nav.tabs a.top-link{
  border-right-color:var(--rust);
  font-weight:600;
  margin-bottom:6px;
}
@media (max-width: 980px){
  nav.tabs{display:none;}
}

/* ---------------- Sections ---------------- */

main{position:relative; z-index:1;}

section{
  padding: 46px 0 6px;
  scroll-margin-top: 24px;
}

.section-head{
  display:flex;
  align-items:baseline;
  gap:14px;
  margin-bottom:6px;
}
.section-num{
  font-family:var(--mono);
  font-size:13px;
  color:#fff;
  background:var(--forest);
  padding:3px 9px;
  border-radius:2px;
  letter-spacing:0.05em;
}
.section-num.sub{
  background:var(--moss);
}
h2.section-title{
  font-family:var(--serif-display);
  font-weight:600;
  font-size:clamp(1.5rem, 3vw, 2rem);
  color:var(--forest-deep);
  margin:0;
}
h3.subsection-title{
  font-family:var(--serif-display);
  font-weight:600;
  font-style:italic;
  font-size:1.35rem;
  color:var(--rust-deep);
  margin:0;
}

p{margin: 0 0 20px;}
p.lead{font-size:1.08em;}

.divider-motif{
  width:34px;
  opacity:0.85;
  margin: 34px 0;
}

/* ---------------- Figures ---------------- */

figure{
  margin: 30px 0 34px;
}
figure img, figure .img-frame{
  width:100%;
  display:block;
  border-radius: var(--radius);
  border:1px solid var(--line);
  box-shadow: var(--shadow);
}

/* hover-zoom: image scales up gently within its frame, no layout shift */
figure:not(.mosaic-figure) > img,
figure .zoom-frame img{
  overflow:hidden;
}
figure > img{
  transition: transform .45s cubic-bezier(.2,.7,.3,1), box-shadow .3s ease;
  will-change: transform;
}
figure > img:hover{
  transform: scale(1.045);
  box-shadow: 0 16px 38px rgba(38,51,42,0.22);
  position:relative;
  z-index:3;
}
.zoom-frame{
  overflow:hidden;
  border-radius: var(--radius);
  border:1px solid var(--line);
  box-shadow: var(--shadow);
}
.zoom-frame img{
  border:none; box-shadow:none; border-radius:0;
  transition: transform .45s cubic-bezier(.2,.7,.3,1);
}
.zoom-frame:hover img{ transform: scale(1.06); }
figcaption{
  font-family:var(--mono);
  font-size:13px;
  color:var(--ink-soft);
  margin-top:10px;
  line-height:1.5;
}
figcaption a{color:var(--slate);}

/* Results / figure-interpretation text — always mono, distinct from
   the serif body used for protocol & methodology paragraphs. */
p.result-note{
  font-family:var(--mono);
  font-size:13px;
  color:var(--ink-soft);
  line-height:1.6;
  margin: -6px 0 26px;
}
p.result-note a{ color:var(--slate); }
p.result-note a:hover{ color:var(--rust-deep); }

.figure-row{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:18px;
  align-items:center;
}
@media (max-width:640px){
  .figure-row{grid-template-columns:1fr;}
}
.figure-row figure{margin:0;}

/* ---------------- Interactive: hover polygons on aerial photos ---------------- */

.compare-block{margin:34px 0 12px;}
.compare-grid{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:18px;
}
@media (max-width:640px){ .compare-grid{grid-template-columns:1fr;} }

.photo-hover{
  position:relative;
  overflow:hidden;
  border-radius:var(--radius);
  border:1px solid var(--line);
  box-shadow:var(--shadow);
  cursor:crosshair;
}
.photo-hover img{display:block; border:none; box-shadow:none; border-radius:0; transition:transform .5s cubic-bezier(.2,.7,.3,1);}
.photo-hover:hover img{ transform:scale(1.08); }
.photo-hover svg{
  position:absolute; inset:0;
  width:100%; height:100%;
}
.photo-hover polygon{
  fill: rgba(196, 62, 36, 0.18);
  stroke: #C43E24;
  stroke-width: 2.4;
  stroke-dasharray: 7 5;
  opacity:0;
  transition:opacity .3s ease;
  vector-effect:non-scaling-stroke;
}
.photo-hover:hover polygon, .photo-hover:focus-within polygon{opacity:1;}
.photo-hover .hint{
  position:absolute;
  bottom:8px; left:8px;
  font-family:var(--mono);
  font-size:10.5px;
  color:#fff;
  background:rgba(38,51,42,0.62);
  padding:3px 7px;
  border-radius:2px;
  letter-spacing:0.03em;
  pointer-events:none;
}
.compare-caption{
  display:flex; justify-content:space-between; gap:12px;
  font-family:var(--mono); font-size:12.5px; color:var(--ink-soft);
  margin-top:10px;
}
.compare-source{
  font-family:var(--mono); font-size:12.5px; color:var(--ink-soft);
  margin-top:10px;
}

/* ---------------- Placette links ---------------- */

.placette-links{
  display:flex; flex-direction:column; gap:10px;
  margin: 18px 0 28px;
  max-width:420px;
}
.placette-chip{
  display:flex; align-items:center; gap:8px;
  font-family:var(--mono); font-size:13px;
  padding:8px 12px 8px 10px;
  background:var(--paper-card);
  border:1px solid var(--line);
  border-left:4px solid var(--rust);
  text-decoration:none;
  color:var(--ink);
  transition: box-shadow .2s ease, transform .2s ease;
}
.placette-chip:hover{box-shadow:var(--shadow); transform:translateY(-1px); color:var(--rust-deep);}
.placette-chip .dot{
  width:8px;height:8px;border-radius:50%;background:var(--rust);
  flex:none;
}
.placette-chip:nth-child(2){border-left-color:var(--forest);}
.placette-chip:nth-child(2) .dot{background:var(--forest);}
.placette-chip:nth-child(3){border-left-color:var(--slate);}
.placette-chip:nth-child(3) .dot{background:var(--slate);}

/* ---------------- Interactive plan (pins with photo tabs) ---------------- */

.plan-block{position:relative; margin:32px 0 8px;}
.plan-frame{
  position:relative;
  border-radius:var(--radius);
  overflow:visible;
  border:1px solid var(--line);
  box-shadow:var(--shadow);
  transition: transform .4s cubic-bezier(.2,.7,.3,1), box-shadow .3s ease;
}
.plan-frame:hover{
  transform: scale(1.025);
  box-shadow: 0 16px 38px rgba(38,51,42,0.22);
  z-index:3;
}
.plan-frame img{border:none; box-shadow:none; display:block; width:100%; border-radius:var(--radius);}

.pin{
  position:absolute;
  width:30px; height:30px;
  transform:translate(-50%,-50%);
  cursor:pointer;
  background:transparent;
  border:none;
  padding:0;
}
.pin .tooltip{
  position:absolute;
  width:150px;
  padding:6px;
  background:var(--paper-card);
  border:1px solid var(--line);
  box-shadow:var(--shadow);
  border-radius:2px;
  opacity:0;
  visibility:hidden;
  transition:opacity .2s ease;
  z-index:5;
  pointer-events:none;
}
.pin .tooltip img{width:100%; border-radius:1px;}
.pin .tooltip span{
  display:block; margin-top:5px;
  font-family:var(--mono); font-size:10px; text-align:center; color:var(--ink-soft);
}
.pin:hover .tooltip, .pin:focus-visible .tooltip{opacity:1; visibility:visible;}

.pin[data-quad="br"] .tooltip{ top:36px; left:50%; transform:translateX(-20%);}
.pin[data-quad="tl"] .tooltip{ bottom:36px; right:50%; transform:translateX(20%);}
.pin[data-quad="bl"] .tooltip{ top:36px; right:50%; transform:translateX(20%);}

/* ---------------- Data tables (plants / birds) ---------------- */

.taxon-panel{
  background:var(--paper-card);
  border:1px solid var(--line);
  border-radius:var(--radius);
  padding: 22px 24px 8px;
  margin: 22px 0 32px;
}
.taxon-panel-head{
  display:flex; align-items:center; gap:10px;
  margin-bottom:10px;
}
.taxon-panel-head img{width:34px;}
.taxon-panel-head h4{
  font-family:var(--serif-display);
  font-style:italic; font-weight:600;
  font-size:1.15rem;
  color:var(--forest-deep);
  margin:0;
}
.taxon-count{
  font-family:var(--mono); font-size:11.5px; color:var(--ink-soft);
  margin-left:auto;
}
.taxon-list{
  list-style:none; margin:0; padding:0;
  column-count:2;
  column-gap:22px;
}
@media (min-width: 700px){ .taxon-list.wide{ column-count:3; } }
@media (max-width: 520px){ .taxon-list{ column-count:1; } }

.taxon-list li{
  break-inside:avoid;
  border-bottom:1px dotted var(--line-soft);
  padding: 7px 0;
}
.taxon-list a{
  display:flex; flex-direction:column;
  text-decoration:none;
  color:var(--ink);
}
.taxon-list .sci{
  font-style:italic;
  font-size:14px;
}
.taxon-list .common{
  font-family:var(--mono);
  font-size:11.5px;
  color:var(--ink-soft);
}
.taxon-list a:hover .sci{color:var(--rust-deep);}
.data-download{
  display:inline-flex; align-items:center; gap:7px;
  font-family:var(--mono); font-size:12px;
  color:var(--forest-deep);
  background:var(--paper-card);
  border:1px solid var(--line);
  border-left:3px solid var(--forest);
  padding:6px 11px;
  text-decoration:none;
  margin: 6px 8px 22px 0;
}
.data-download:hover{ background:#fff; color:var(--rust-deep); }
.data-download .ic{ font-size:13px; }
.data-download-row{ margin-top:-6px; }

.taxon-note{
  font-family:var(--mono); font-size:11.5px; color:var(--ink-soft);
  opacity:0.8; margin: 4px 0 18px;
}

/* ---------------- Inline mosaic ---------------- */

.mosaic-caption{text-align:center;}

/* ---------------- Footer ---------------- */

footer{
  margin-top:70px;
  padding: 34px 0 60px;
  text-align:center;
  border-top:1px solid var(--line);
}
footer img{width:64px; margin:0 auto 14px;}
footer p{
  font-family:var(--mono); font-size:12px; color:var(--ink-soft);
  margin:0;
}

/* ---------------- misc ---------------- */

.underline-link{
  border-bottom:1px solid var(--line);
}

::selection{background: rgba(161,91,37,0.25);}

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

/* =========================================================
   Chart lightbox — real, legible zoom for data figures
   ========================================================= */

.chart-lightbox{
  position:fixed; inset:0;
  z-index:100;
  display:flex; align-items:center; justify-content:center;
  padding: 26px;
  background: rgba(38,51,42,0.55);
  backdrop-filter: blur(2px);
  opacity:0;
  visibility:hidden;
  transition: opacity .25s ease;
}
.chart-lightbox.is-open{ opacity:1; visibility:visible; }

.chart-lightbox-panel{
  position:relative;
  background:var(--paper-card);
  border:1px solid var(--line);
  border-radius:var(--radius);
  box-shadow: 0 30px 70px rgba(20,26,20,0.45);
  max-width: min(1100px, 94vw);
  max-height: 92vh;
  width:100%;
  overflow:auto;
  padding: 34px 38px 30px;
  transform: scale(.96);
  transition: transform .25s ease;
}
.chart-lightbox.is-open .chart-lightbox-panel{ transform:scale(1); }

.chart-lightbox-panel .chart-title{
  font-size:1.3rem;
}
.chart-lightbox-panel svg.chart{
  width:100%;
  height:auto;
  max-height:64vh;
}
.chart-lightbox-panel .chart-legend{
  font-size:14px;
  gap:8px 22px;
  margin-top:20px;
}
.chart-lightbox-panel .chart-legend .swatch{
  width:13px; height:13px;
}

.chart-lightbox-close{
  position:absolute;
  top:14px; right:14px;
  width:34px; height:34px;
  display:flex; align-items:center; justify-content:center;
  background:var(--paper);
  border:1px solid var(--line);
  border-radius:50%;
  font-size:18px;
  line-height:1;
  color:var(--ink-soft);
  cursor:pointer;
  transition: background .2s ease, color .2s ease, transform .2s ease;
}
.chart-lightbox-close:hover{
  background:#fff; color:var(--rust-deep); transform:rotate(90deg);
}

@media (max-width:640px){
  .chart-lightbox{ padding:14px; }
  .chart-lightbox-panel{ padding:24px 18px 20px; }
  .chart-lightbox-panel .chart-title{ font-size:1.1rem; }
}

/* =========================================================
   Sub-pages (fiches pédagogiques: insectes, araignées, ...)
   ========================================================= */

.back-link{
  display:inline-flex; align-items:center; gap:6px;
  font-family:var(--mono); font-size:12.5px;
  color:var(--ink-soft);
  text-decoration:none;
  border-bottom:1px dotted var(--line);
  margin-bottom:28px;
}
.back-link:hover{ color:var(--rust-deep); }

header.subpage-hero{
  padding: 64px 0 44px;
  text-align:center;
}
header.subpage-hero .eyebrow{ margin-bottom:16px; }
header.subpage-hero h1.title{ max-width:600px; }
header.subpage-hero .hero-motif-single{
  width:110px;
  margin: 0 auto 8px;
  opacity:0.95;
  filter: drop-shadow(0 6px 10px rgba(38,51,42,0.15));
}

.specimen-board{
  display:grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 6px 10px;
  align-items:end;
  justify-items:center;
  background:var(--paper-card);
  border:1px solid var(--line);
  border-radius:var(--radius);
  box-shadow:var(--shadow);
  padding: 28px 20px 18px;
  margin: 30px 0 8px;
}
.specimen-board .specimen{
  display:flex; align-items:flex-end; justify-content:center;
  height:130px;
  width:100%;
}
.specimen-board .specimen img{
  max-height:130px;
  max-width:100%;
  object-fit:contain;
  filter: drop-shadow(0 5px 7px rgba(38,51,42,0.18));
  transition: transform .3s ease;
}
.specimen-board .specimen img:hover{ transform: translateY(-4px) scale(1.04); }
@media (max-width:640px){
  .specimen-board{ grid-template-columns: repeat(3,1fr); }
  .specimen-board .specimen{ height:100px; }
  .specimen-board .specimen img{ max-height:100px; }
}

.figure-citation{
  font-family:var(--mono);
  font-size:11.5px;
  color:var(--ink-soft);
  opacity:0.85;
  margin-top:8px;
  line-height:1.5;
}
.figure-citation a{ color:var(--slate); }

.photo-gallery{
  display:grid;
  grid-template-columns: 1fr 1fr;
  gap:16px;
  margin: 30px 0 8px;
}
.photo-gallery figure{ margin:0; }
.photo-gallery img{
  width:100%; aspect-ratio: 8/5; object-fit:cover;
}
@media (max-width:640px){
  .photo-gallery{ grid-template-columns:1fr; }
}

/* photo placeholder note */
.todo-note{
  display:inline-block;
  font-family:var(--mono); font-size:10.5px;
  color:var(--rust-deep);
  background:rgba(161,91,37,0.1);
  border:1px dashed var(--rust);
  padding:2px 7px;
  border-radius:2px;
  margin-left:6px;
}

/* =========================================================
   Data visualisations (native SVG charts)
   ========================================================= */

.chart-figure{
  margin: 30px 0 8px;
  background:var(--paper-card);
  border:1px solid var(--line);
  border-radius:var(--radius);
  box-shadow:var(--shadow);
  padding: 20px 22px 18px;
  position:relative;
  cursor:zoom-in;
  transition: box-shadow .25s ease, transform .25s ease;
}
.chart-figure:hover{
  box-shadow: 0 14px 32px rgba(38,51,42,0.18);
  transform: translateY(-2px);
}
.chart-figure::after{
  content:"⤢ agrandir";
  position:absolute;
  top:10px; right:12px;
  font-family:var(--mono);
  font-size:10.5px;
  letter-spacing:.03em;
  color:var(--forest-deep);
  background:var(--paper-card);
  border:1px solid var(--line);
  padding:3px 8px;
  border-radius:2px;
  opacity:0;
  transform:translateY(-3px);
  transition:opacity .2s ease, transform .2s ease;
  pointer-events:none;
}
.chart-figure:hover::after{ opacity:0.95; transform:translateY(0); }
@media (hover:none){
  .chart-figure::after{ content:"⤢"; opacity:0.7; top:8px; right:8px; padding:4px 7px; }
}
.chart-figure + .chart-figure{ margin-top:18px; }
.chart-figure-row{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:18px;
  margin: 30px 0 8px;
}
.chart-figure-row .chart-figure{ margin:0; }
@media (max-width:640px){
  .chart-figure-row{grid-template-columns:1fr;}
}

.chart-title{
  font-family:var(--serif-display);
  font-style:italic;
  font-weight:600;
  font-size:1.02rem;
  color:var(--forest-deep);
  margin:0 0 12px;
}

svg.chart{
  width:100%;
  height:auto;
  overflow:visible;
  font-family:var(--mono);
}
svg.chart .axis-line{ stroke:var(--line); stroke-width:1; }
svg.chart .gridline{ stroke:var(--line-soft); stroke-width:1; }
svg.chart .axis-label{ fill:var(--ink-soft); font-size:11px; }
svg.chart .axis-label.rotated{ text-anchor:end; }
svg.chart .value-label{ fill:var(--ink-soft); font-size:10px; }
svg.chart .pie-pct{ fill:#fff; font-size:12.5px; font-weight:600; text-anchor:middle; dominant-baseline:middle; }
svg.chart .callout{ fill:none; stroke:var(--rust); stroke-width:1.4; stroke-dasharray:4 3; }
svg.chart .callout-text{ fill:var(--rust-deep); font-style:italic; font-family:var(--serif-body); font-size:12.5px; }
svg.chart .median-line{ stroke:var(--paper-card); stroke-width:2; }
svg.chart .whisker{ stroke-width:1.4; }
svg.chart .box-label{ fill:var(--ink-soft); font-size:11.5px; text-anchor:middle; }

.chart-legend{
  list-style:none; display:flex; flex-wrap:wrap;
  gap:6px 16px; margin:14px 0 0; padding:0;
  font-family:var(--mono); font-size:11.5px; color:var(--ink-soft);
}
.chart-legend li{ display:flex; align-items:center; gap:6px; }
.chart-legend .swatch{
  width:10px; height:10px; border-radius:2px; flex:none;
  display:inline-block;
}

/* category colour tokens — derived from the site palette */
.c-insecta{ fill:var(--rust); }
.c-malacostraca{ fill:var(--forest); }
.c-arachnida{ fill:var(--slate); }
.c-gastropoda{ fill:var(--moss); }
.c-chilopoda{ fill:#C79A3E; }
.c-diplopoda{ fill:#7A3B4A; }
.c-reptilia{ fill:#4A7A6E; }

.c-p1{ fill:var(--rust); color:var(--rust); }
.c-p2{ fill:var(--forest); color:var(--forest); }
.c-p3{ fill:var(--slate); color:var(--slate); }

.c-m1{ fill:#B9C7A4; color:#B9C7A4; }
.c-m2{ fill:var(--moss); color:var(--moss); }
.c-m3{ fill:var(--forest); color:var(--forest); }

.bg-insecta{ background:var(--rust); }
.bg-malacostraca{ background:var(--forest); }
.bg-arachnida{ background:var(--slate); }
.bg-gastropoda{ background:var(--moss); }
.bg-chilopoda{ background:#C79A3E; }
.bg-diplopoda{ background:#7A3B4A; }
.bg-reptilia{ background:#4A7A6E; }
.bg-p1{ background:var(--rust); }
.bg-p2{ background:var(--forest); }
.bg-p3{ background:var(--slate); }
.bg-m1{ background:#B9C7A4; }
.bg-m2{ background:var(--moss); }
.bg-m3{ background:var(--forest); }

/* =========================================================
   Generic resource-page components (e.g. software/tool pages
   like NetLogo) — reuse the same design tokens as the rest
   of the site, without the LEF-specific nature illustrations.
   ========================================================= */

.resource-figure{
  margin: 30px 0 8px;
  background:var(--paper-card);
  border:1px solid var(--line);
  border-radius:var(--radius);
  box-shadow:var(--shadow);
  padding: 20px 22px 22px;
  text-align:center;
}
.resource-figure img{
  max-width:100%;
  border-radius: var(--radius);
}
.resource-figure figcaption{
  text-align:left;
}

.btn-row{
  display:flex; flex-wrap:wrap; gap:16px;
  justify-content:center;
  margin-top:18px;
}
.btn-row a{ display:inline-block; }
.btn-row img{
  display:block;
  transition: transform .25s ease, box-shadow .25s ease;
  border-radius: 4px;
}
.btn-row a:hover img{
  transform: translateY(-3px);
  box-shadow: 0 10px 20px rgba(38,51,42,0.18);
}

.sprite-row{
  display:flex; flex-wrap:wrap; gap:22px;
  align-items:center; justify-content:center;
  margin: 22px 0 6px;
  padding: 18px;
  background:var(--paper-card);
  border:1px solid var(--line);
  border-radius:var(--radius);
}
.sprite-row img{ display:block; }

.inline-icon{
  height:1.3em;
  width:auto;
  vertical-align:middle;
  margin:0 3px;
  display:inline-block;
}

ol.step-list{
  margin: 18px 0 26px;
  padding-left:0;
  list-style:none;
  counter-reset: step;
}
ol.step-list li{
  counter-increment: step;
  position:relative;
  padding: 10px 0 10px 42px;
  border-bottom:1px dotted var(--line-soft);
  font-family:var(--serif-body);
  line-height:1.65;
}
ol.step-list li:last-child{ border-bottom:none; }
ol.step-list li::before{
  content: counter(step);
  position:absolute;
  left:0; top:9px;
  width:26px; height:26px;
  display:flex; align-items:center; justify-content:center;
  background:var(--forest);
  color:#fff;
  font-family:var(--mono);
  font-size:12.5px;
  border-radius:50%;
  flex:none;
}

.model-section{
  margin: 30px 0 8px;
}
.model-section + .model-section{
  margin-top:54px;
  padding-top:6px;
  border-top:1px solid var(--line);
}

/* =========================================================
   Language toggle (FR / EN)
   ========================================================= */

html[data-lang="fr"] .en{ display:none !important; }
html[data-lang="en"] .fr{ display:none !important; }
html[data-lang="fr"] tspan.en, html[data-lang="fr"] text.en{ display:none; }
html[data-lang="en"] tspan.fr, html[data-lang="en"] text.fr{ display:none; }

.lang-switch{
  position:fixed;
  top:16px; right:16px;
  z-index:50;
  display:flex;
  background:var(--paper-card);
  border:1px solid var(--line);
  border-radius:20px;
  box-shadow:var(--shadow);
  padding:3px;
  font-family:var(--mono);
  font-size:12px;
}
.lang-switch button{
  border:none; background:none; cursor:pointer;
  padding:6px 13px;
  border-radius:16px;
  color:var(--ink-soft);
  font-family:var(--mono);
  font-size:12px;
  letter-spacing:0.03em;
  transition: background .2s ease, color .2s ease;
}
.lang-switch button.is-active{
  background:var(--forest);
  color:#fff;
}
@media (max-width:640px){
  .lang-switch{ top:10px; right:10px; }
  .lang-switch button{ padding:5px 10px; }
}