/* ============================================================
   barbadine.com — Répertoire de botanique tropicale
   Archetype: herbarium-index · Palette family: tropical
   Hand-written native CSS (custom props + nesting + @layer)
   ============================================================ */

/* ---- self-hosted fonts ---- */
@font-face{font-family:"Marcellus";font-style:normal;font-weight:400;font-display:swap;
  src:url("/assets/fonts/marcellus-400.woff2") format("woff2")}
@font-face{font-family:"Karla";font-style:normal;font-weight:300;font-display:swap;
  src:url("/assets/fonts/karla-300.woff2") format("woff2")}
@font-face{font-family:"Karla";font-style:normal;font-weight:400;font-display:swap;
  src:url("/assets/fonts/karla-400.woff2") format("woff2")}
@font-face{font-family:"Karla";font-style:normal;font-weight:500;font-display:swap;
  src:url("/assets/fonts/karla-500.woff2") format("woff2")}
@font-face{font-family:"Karla";font-style:normal;font-weight:700;font-display:swap;
  src:url("/assets/fonts/karla-700.woff2") format("woff2")}
@font-face{font-family:"Karla";font-style:italic;font-weight:400;font-display:swap;
  src:url("/assets/fonts/karla-400-italic.woff2") format("woff2")}

:root{
  --paper:#f4f0e8;
  --paper-deep:#ebe3d3;
  --paper-line:#d8cdb8;
  --ink:#2a2320;
  --ink-soft:#5c534b;
  --violet:#4a2c6f;
  --violet-deep:#35204f;
  --green:#5a7d4f;
  --green-deep:#3f5c37;
  --coral:#c8536b;
  --rule:1px solid var(--paper-line);
}
*{margin:0;padding:0;box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  font-family:"Karla",system-ui,sans-serif;font-weight:400;color:var(--ink);
  background:var(--paper);line-height:1.6;
  background-image:repeating-linear-gradient(0deg,transparent,transparent 27px,rgba(120,100,70,.035) 27px,rgba(120,100,70,.035) 28px);
}
@layer base{
  h1,h2,h3,h4{font-family:"Marcellus",Georgia,serif;font-weight:400;line-height:1.16;letter-spacing:.01em}
  a{color:var(--violet);text-decoration:none}
  a:hover{color:var(--coral)}
  em,i{font-style:italic}
  img{max-width:100%;height:auto;display:block}
  :focus-visible{outline:2px solid var(--violet);outline-offset:2px}
}

/* ---- plate frame ---- */
.bd-sheet{max-width:1160px;margin:0 auto;padding:clamp(14px,3vw,34px)}
.bd-plate{border:1px solid var(--ink);outline:5px solid var(--paper);
  box-shadow:0 0 0 6px var(--paper-line);background:var(--paper)}

/* ---- masthead ---- */
.bd-head{display:flex;align-items:center;justify-content:space-between;gap:24px;
  padding:22px clamp(18px,3vw,40px);border-bottom:1px solid var(--ink)}
.bd-brand{display:flex;align-items:center;gap:16px}
.bd-mark{width:52px;height:52px;flex:none;display:block}
.bd-wordmark{font-family:"Marcellus",serif;font-size:1.9rem;letter-spacing:.34em;
  text-transform:uppercase;color:var(--ink);line-height:1;padding-left:.34em}
.bd-brand a{color:inherit}
.bd-tagrule{font-size:.68rem;letter-spacing:.28em;text-transform:uppercase;
  color:var(--green-deep);margin-top:7px}
.bd-nav{display:flex;flex-wrap:wrap;gap:2px 22px;justify-content:flex-end;
  font-size:.78rem;letter-spacing:.13em;text-transform:uppercase}
.bd-nav a{color:var(--ink-soft);padding:3px 0;border-bottom:2px solid transparent}
.bd-nav a:hover,.bd-nav a[aria-current]{color:var(--violet);border-bottom-color:var(--coral)}

/* ---- intro band + mounting label ---- */
.bd-intro{display:grid;grid-template-columns:1.55fr .95fr;border-bottom:1px solid var(--ink)}
.bd-intro-main{padding:clamp(26px,4vw,52px) clamp(18px,3vw,44px)}
.bd-kicker{font-size:.72rem;letter-spacing:.24em;text-transform:uppercase;color:var(--coral);margin-bottom:18px}
.bd-intro-main h1{font-size:clamp(2.3rem,5vw,3.5rem);color:var(--violet-deep);max-width:16ch}
.bd-intro-main p{margin-top:20px;max-width:52ch;color:var(--ink-soft);font-size:1.06rem}
.bd-count{margin-top:26px;display:flex;flex-wrap:wrap;gap:20px 34px;font-size:.82rem;letter-spacing:.06em;color:var(--ink-soft)}
.bd-count b{display:block;font-family:"Marcellus",serif;font-size:1.9rem;color:var(--green-deep);letter-spacing:0}
.bd-label{border-left:1px solid var(--ink);background:var(--paper-deep);
  padding:clamp(22px,3vw,34px);display:flex;flex-direction:column;justify-content:center}
.bd-label-tt{font-size:.66rem;letter-spacing:.26em;text-transform:uppercase;color:var(--ink-soft);
  border-bottom:1px solid var(--paper-line);padding-bottom:10px;margin-bottom:16px}
.bd-label dl{display:grid;grid-template-columns:auto 1fr;gap:10px 16px;font-size:.9rem}
.bd-label dt{font-size:.64rem;letter-spacing:.16em;text-transform:uppercase;color:var(--green-deep);padding-top:3px}
.bd-label dd{color:var(--ink);border-bottom:1px dotted var(--paper-line);padding-bottom:3px}

/* ---- taxonomic register (homepage) ---- */
.bd-index{padding:clamp(26px,4vw,50px) clamp(18px,3vw,44px)}
.bd-section-tt{display:flex;align-items:baseline;gap:16px;margin:44px 0 14px}
.bd-section-tt:first-child{margin-top:0}
.bd-section-tt h2{font-size:1.5rem;color:var(--ink);white-space:nowrap}
.bd-section-tt .bd-n{font-size:.72rem;letter-spacing:.18em;text-transform:uppercase;color:var(--ink-soft)}
.bd-section-tt::after{content:"";flex:1;border-bottom:1px solid var(--paper-line);transform:translateY(-4px)}
.bd-register{list-style:none;columns:2;column-gap:52px}
@media(max-width:720px){.bd-register{columns:1}}
.bd-register li{break-inside:avoid;padding:9px 0;border-bottom:1px dotted var(--paper-line);
  display:flex;align-items:baseline;gap:10px}
.bd-register li:hover{background:linear-gradient(90deg,rgba(74,44,111,.06),transparent)}
.bd-sci{font-style:italic;color:var(--violet);font-size:1.02rem;font-weight:500}
.bd-register li:hover .bd-sci{color:var(--coral)}
.bd-vern{color:var(--ink-soft);font-size:.9rem}
.bd-fam{margin-left:auto;font-size:.64rem;letter-spacing:.12em;text-transform:uppercase;
  color:var(--green-deep);white-space:nowrap;padding-left:12px}

/* ---- featured specimen ---- */
.bd-feature{margin:52px 0 8px;border:1px solid var(--ink);background:var(--paper);
  display:grid;grid-template-columns:.85fr 1.15fr}
@media(max-width:720px){.bd-feature{grid-template-columns:1fr}}
.bd-plate-img{background:var(--paper-deep);border-right:1px solid var(--ink);min-height:290px;
  display:flex;align-items:center;justify-content:center;position:relative;overflow:hidden}
.bd-plate-img img{width:100%;height:100%;object-fit:cover;position:absolute;inset:0}
.bd-plate-img .bd-tag{position:absolute;top:14px;left:14px;z-index:2;font-size:.62rem;letter-spacing:.2em;
  text-transform:uppercase;color:var(--ink-soft);background:var(--paper);padding:4px 9px;border:1px solid var(--paper-line)}
.bd-plate-img svg{width:64%;height:auto;opacity:.9}
@media(max-width:720px){.bd-plate-img{border-right:0;border-bottom:1px solid var(--ink)}}
.bd-feature-body{padding:clamp(24px,3vw,40px)}
.bd-feature-body .bd-kicker{color:var(--green-deep)}
.bd-feature-body h3{font-size:2rem;color:var(--violet-deep);font-style:italic;margin:6px 0 2px}
.bd-feature-body .bd-common{color:var(--ink-soft);font-size:1rem;margin-bottom:16px}
.bd-feature-body p{color:var(--ink-soft);max-width:54ch}
.bd-more{display:inline-flex;align-items:center;gap:9px;margin-top:22px;font-size:.8rem;
  letter-spacing:.16em;text-transform:uppercase;color:var(--violet);border-bottom:2px solid var(--coral);padding-bottom:3px}
.bd-more:hover{color:var(--coral)}
.bd-more svg{stroke:currentColor}

/* ---- glossaire teaser ---- */
.bd-gloss{margin-top:46px;padding:30px clamp(20px,3vw,38px);border:1px dashed var(--green);background:rgba(90,125,79,.05)}
.bd-gloss h3{font-size:1.4rem;color:var(--green-deep)}
.bd-gloss p{color:var(--ink-soft);margin-top:8px;max-width:64ch}
.bd-terms{margin-top:14px;display:flex;flex-wrap:wrap;gap:8px}
.bd-terms span,.bd-terms a{font-size:.78rem;letter-spacing:.04em;color:var(--ink);
  border:1px solid var(--paper-line);padding:4px 11px;background:var(--paper)}
.bd-terms a:hover{border-color:var(--coral);color:var(--coral)}

/* ---- footer ---- */
.bd-foot{border-top:1px solid var(--ink);padding:clamp(26px,3vw,40px) clamp(18px,3vw,44px);
  display:grid;grid-template-columns:1.4fr repeat(3,1fr);gap:28px;background:var(--paper-deep)}
@media(max-width:720px){.bd-foot{grid-template-columns:1fr 1fr}}
.bd-foot h4{font-family:"Karla";font-weight:700;font-size:.68rem;letter-spacing:.2em;text-transform:uppercase;
  color:var(--green-deep);margin-bottom:12px}
.bd-foot ul{list-style:none;font-size:.9rem;line-height:2}
.bd-foot .bd-colophon{font-size:.86rem;color:var(--ink-soft);max-width:34ch}
.bd-foot .bd-wordmark{font-size:1.15rem;letter-spacing:.28em;margin-bottom:10px}
.bd-legal{max-width:1160px;margin:0 auto;padding:16px clamp(14px,3vw,34px);font-size:.78rem;
  color:var(--ink-soft);display:flex;justify-content:space-between;flex-wrap:wrap;gap:10px}

/* ============================================================
   SPECIES FICHE + article pages (specimen-detail layout)
   ============================================================ */
.bd-crumb{padding:16px clamp(18px,3vw,40px);border-bottom:1px solid var(--paper-line);
  font-size:.76rem;letter-spacing:.08em;text-transform:uppercase;color:var(--ink-soft)}
.bd-crumb a{color:var(--ink-soft)}.bd-crumb a:hover{color:var(--violet)}
.bd-crumb span{color:var(--green-deep)}

.bd-fiche{display:grid;grid-template-columns:1fr 320px;gap:0}
@media(max-width:860px){.bd-fiche{grid-template-columns:1fr}}
.bd-fiche-main{padding:clamp(26px,4vw,50px) clamp(18px,3vw,44px);min-width:0}
.bd-fiche-main h1{font-size:clamp(2rem,4.5vw,3rem);color:var(--violet-deep);font-style:italic}
.bd-fiche-main > figure{margin:22px 0 4px}
.bd-fiche-main > figure img{width:100%;border:1px solid var(--ink);background:var(--paper-deep);display:block}
.bd-fiche-main > figure figcaption{font-size:.8rem;color:var(--ink-soft);margin-top:8px;letter-spacing:.04em}
.bd-fiche-main h1 .bd-nonital{font-style:normal}
.bd-common-line{color:var(--ink-soft);font-size:1.05rem;margin-top:6px}
.bd-meta{margin:18px 0 10px;font-size:.8rem;letter-spacing:.06em;color:var(--ink-soft);
  display:flex;gap:18px;flex-wrap:wrap;align-items:center}
.bd-meta .bd-byline{color:var(--green-deep)}

.bd-prose{max-width:72ch}
.bd-prose h2{font-size:1.7rem;color:var(--ink);margin:42px 0 12px;padding-bottom:8px;border-bottom:1px solid var(--paper-line)}
.bd-prose h3{font-size:1.25rem;color:var(--green-deep);margin:28px 0 8px}
.bd-prose p{margin:0 0 16px;color:#3a332e}
.bd-prose ul,.bd-prose ol{margin:0 0 16px 22px}
.bd-prose li{margin-bottom:7px}
.bd-prose strong{font-weight:700;color:var(--ink)}
.bd-prose figure{margin:26px 0}
.bd-prose figure img{border:1px solid var(--ink);background:var(--paper-deep)}
.bd-prose figcaption{font-size:.8rem;color:var(--ink-soft);margin-top:8px;letter-spacing:.04em}
.bd-prose a{border-bottom:1px solid var(--paper-line)}
.bd-prose a:hover{border-bottom-color:var(--coral)}

/* herbarium note = site-specific callout (NOT the tint+border-l-4+label idiom) */
.bd-note{margin:26px 0;border:1px solid var(--ink);background:var(--paper-deep);
  padding:0;display:grid;grid-template-columns:auto 1fr}
.bd-note-spine{writing-mode:vertical-rl;transform:rotate(180deg);background:var(--green-deep);color:var(--paper);
  font-size:.6rem;letter-spacing:.24em;text-transform:uppercase;padding:12px 7px;text-align:center}
.bd-note-body{padding:16px 20px}
.bd-note-body p{margin:0;font-size:.95rem;color:var(--ink)}
.bd-note.is-caution .bd-note-spine{background:var(--coral)}

/* right-rail specimen label */
.bd-rail{border-left:1px solid var(--ink);background:var(--paper-deep);padding:clamp(22px,3vw,30px);align-self:start}
@media(max-width:860px){.bd-rail{border-left:0;border-top:1px solid var(--ink)}}
.bd-rail-tt{font-size:.64rem;letter-spacing:.26em;text-transform:uppercase;color:var(--ink-soft);
  border-bottom:1px solid var(--paper-line);padding-bottom:10px;margin-bottom:14px}
.bd-rail dl{display:grid;grid-template-columns:auto 1fr;gap:11px 14px;font-size:.9rem;margin-bottom:22px}
.bd-rail dt{font-size:.62rem;letter-spacing:.14em;text-transform:uppercase;color:var(--green-deep);padding-top:3px}
.bd-rail dd{color:var(--ink);border-bottom:1px dotted var(--paper-line);padding-bottom:3px}
.bd-rail dd em{font-style:italic}
.bd-rail h4{font-size:.64rem;letter-spacing:.2em;text-transform:uppercase;color:var(--ink-soft);margin:22px 0 10px}
.bd-rail ul{list-style:none;font-size:.95rem;line-height:1.9}
.bd-rail ul .bd-sci{font-size:.95rem}

/* FAQ — expandable accordion, site-specific styling */
.bd-faq{margin:40px 0 8px}
.bd-faq details{border-bottom:1px solid var(--paper-line)}
.bd-faq details:first-of-type{border-top:1px solid var(--paper-line)}
.bd-faq summary{cursor:pointer;list-style:none;padding:16px 40px 16px 4px;position:relative;
  font-family:"Marcellus",serif;font-size:1.12rem;color:var(--ink)}
.bd-faq summary::-webkit-details-marker{display:none}
.bd-faq summary::after{content:"+";position:absolute;right:8px;top:50%;transform:translateY(-50%);
  font-family:"Karla";font-size:1.5rem;color:var(--violet);line-height:1}
.bd-faq details[open] summary::after{content:"\2013"}
.bd-faq details[open] summary{color:var(--violet-deep)}
.bd-faq summary:hover{color:var(--violet)}
.bd-faq .bd-faq-a{padding:0 4px 20px}
.bd-faq .bd-faq-a p{margin:0 0 12px;color:#3a332e;max-width:72ch}

/* SVG infographic wrapper + embed snippet */
.bd-info{margin:34px 0}
.bd-info svg{width:100%;height:auto;border:1px solid var(--ink);background:var(--paper)}
.bd-embed{margin-top:12px}
.bd-embed summary{cursor:pointer;font-size:.76rem;letter-spacing:.1em;text-transform:uppercase;color:var(--ink-soft)}
.bd-embed textarea{width:100%;margin-top:8px;font-family:ui-monospace,monospace;font-size:.76rem;
  padding:10px;border:1px solid var(--paper-line);background:var(--paper-deep);color:var(--ink);min-height:78px}

/* related fiches strip */
.bd-related{margin-top:46px;border-top:1px solid var(--ink);padding-top:26px}
.bd-related h2{font-size:1.3rem;margin-bottom:16px}
.bd-related-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:var(--paper-line);border:1px solid var(--paper-line)}
@media(max-width:720px){.bd-related-grid{grid-template-columns:1fr}}
.bd-related-grid a{background:var(--paper);padding:16px 18px;display:block}
.bd-related-grid a:hover{background:var(--paper-deep)}
.bd-related-grid .bd-sci{display:block;font-size:1rem}
.bd-related-grid .bd-vern{display:block;margin-top:3px}

/* glossary page */
.bd-glossary{padding:clamp(26px,4vw,50px) clamp(18px,3vw,44px)}
.bd-alpha{display:flex;flex-wrap:wrap;gap:6px;margin:22px 0 34px}
.bd-alpha a{width:34px;height:34px;display:flex;align-items:center;justify-content:center;
  border:1px solid var(--paper-line);font-family:"Marcellus",serif;color:var(--violet)}
.bd-alpha a:hover{background:var(--violet);color:var(--paper);border-color:var(--violet)}
.bd-gloss-group{margin-bottom:34px}
.bd-gloss-group h2{font-family:"Marcellus";font-size:2rem;color:var(--coral);border-bottom:1px solid var(--paper-line);padding-bottom:6px;margin-bottom:14px}
.bd-gloss-list{list-style:none}
.bd-gloss-list dt{font-weight:700;color:var(--violet-deep);margin-top:16px}
.bd-gloss-list dd{color:#3a332e;max-width:74ch}

/* seeds hub */
.bd-hub-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:1px;background:var(--paper-line);
  border:1px solid var(--ink);margin:30px 0}
@media(max-width:720px){.bd-hub-grid{grid-template-columns:1fr}}
.bd-hub-cell{background:var(--paper);padding:22px 24px}
.bd-hub-cell h3{font-size:1.3rem;color:var(--violet-deep);margin-bottom:6px}
.bd-hub-cell p{font-size:.94rem;color:var(--ink-soft)}
.bd-hub-cell a{font-size:.94rem}