@import url('https://fonts.googleapis.com/css2?family=Fontdiner+Swanky&family=Inter:wght@400;500;600;700&family=IBM+Plex+Sans:wght@400;500;600;700&display=swap');



body {

    margin: 0;

    background: #000000;

    color: #ffffff;

    font-family: Inter, "IBM Plex Sans", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;

    font-size: 1.4375rem; /* 23px */

    line-height: 1.5;

    text-rendering: optimizeLegibility;

    -webkit-font-smoothing: antialiased;

}



.container {

    max-width: 48.75rem;

    margin: 0 auto;

    padding: clamp(5rem, 10vw, 7.5rem) clamp(1.25rem, 4vw, 2.125rem) 4.5rem;

    isolation: isolate;

}



.details-widget {

  width: 100%;

  max-width: 48rem;

  margin: 2rem 0;

  padding: 0;

  text-align: left;

  color: #ffffff;

  font-family: Inter, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;

  font-size: 1.1875rem; /* 19px */

  line-height: 1.65;

}



.details-widget details {

  width: 100%;

  padding: 1.2rem 1.4rem;

  border: 0.0625rem solid rgba(255, 255, 255, 0.18);

  border-radius: 0.9rem;

  background: rgba(255, 255, 255, 0.035);

  box-sizing: border-box;

}



.details-widget summary {

  cursor: pointer;

  list-style-position: outside;

  text-align: left;

  font-family: Inter, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;

  font-size: 1.1875rem; /* 19px */

  line-height: 1.45;

  color: #868a85;

}



.details-widget summary::marker {

  color: #ffffff;

}



.details-content {

  margin-top: 1rem;

  padding-left: 1.4rem;

  text-align: left;

}



.details-content p {

  margin: 0;

  font-size: 1.1875rem; /* 19px */

  line-height: 1.65;

}



.details-widget a,

.details-widget a:visited {

  color: #868a85;

  text-decoration: underline;

  transition: color .25s ease;

}



.details-widget a:hover,

.details-widget a:focus {

  color: #ffffff;

}



.details-widget a:active {

  color: #6c746b;

}

/* ============================
   SOURCES — WIDGET CENTRE
   Le suffixe .sources-widget évite de modifier les autres <details> du site.
   ============================ */

.details-widget.sources-widget {
  width: 100%;
  display: flex;
  justify-content: center;
  margin: 2rem 0;
  padding: 0;
  max-width: none;
  text-align: initial;
}

.details-widget.sources-widget details {
  width: 100%;
  max-width: 800px;
  margin: 0 auto;
  padding: 1.2rem 1.4rem;
  border: 0.0625rem solid rgba(255, 255, 255, 0.18);
  border-radius: 0.9rem;
  background: rgba(255, 255, 255, 0.035);
  box-sizing: border-box;
}

.details-widget.sources-widget summary {
  cursor: pointer;
  list-style-position: outside;
  text-align: center;
  font-family: Inter, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: 1.1875rem;
  line-height: 1.45;
  color: #868a85;
}

.details-widget.sources-widget summary h2 {
  margin: 0 0 0.35rem;
  color: #868a85;
  font-family: Inter, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: 1.1875rem;
  line-height: 1.45;
  font-weight: 600;
}

.details-widget.sources-widget summary p {
  margin: 0;
  color: #868a85;
  font-size: 1rem;
  line-height: 1.45;
}

.details-widget.sources-widget summary::marker {
  color: #ffffff;
}

.details-widget.sources-widget .details-content {
  margin-top: 1rem;
  padding-left: 1.4rem;
  text-align: left;
}

.details-widget.sources-widget .details-content p {
  margin: 0;
  font-size: 1.1875rem;
  line-height: 1.65;
}

.details-widget.sources-widget a,
.details-widget.sources-widget a:visited {
  color: #868a85;
  text-decoration: underline;
  transition: color .25s ease;
  border-bottom: 0;
}

.details-widget.sources-widget a:hover,
.details-widget.sources-widget a:focus {
  color: #ffffff;
  border-bottom: 0;
}

.details-widget.sources-widget a:active {
  color: #6c746b;
}

h1 {

    font-family: "Fontdiner Swanky", Georgia, Inter, serif;

    font-size: clamp(2.5rem, 6vw, 4.5rem);

    font-weight: 600;

    text-align: center;

    letter-spacing: .08em;

    line-height: 1.12;

    margin: 0 0 1.75rem;

}



h2,

h3,

h4,

h5,

h6 {

    font-family: "Fontdiner Swanky", cursive;

    font-size: clamp(1.875rem, 4vw, 2.0625rem);

    line-height: 1.25;

    font-weight: 400; /* Fontdiner Swanky n'a qu'une graisse, 400 est préférable */

    margin: 0 0 1.75rem;

    color: #4df1fa;

}



.subtitle {

    text-align: center;

    color: #87ceeb;

    font-size: clamp(1.25rem, 2.75vw, 1.55rem);

    letter-spacing: .08em;

    text-transform: uppercase;

    margin: 0 0 2.8125rem;

}



.credit {

    font-size: .9375rem;

    line-height: 1.4;

    margin: 0 0 3.125rem;

    color: #7f7f7f;

    text-align: center;

}



p {



    font-size: clamp(1.125rem, 2.2vw, 1.5rem);



    line-height: 2;



    margin: 0 0 2.5em;



}



blockquote {

    font-family: Inter, "IBM Plex Sans", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;

    margin: 5rem auto;

    max-width: 42.5rem;

    font-size: clamp(1.5rem, 4vw, 2.2rem);

    line-height: 1.7;

    text-align: center;

    font-style: italic;

    color: #ddd8cf;

}



.separator {

    width: 5.625rem;

    height: .0625rem;

    background: #3d3d3d;

    margin: 6.875rem auto;

}



.final {

    text-align: center;

    font-size: clamp(1.6rem, 4vw, 2.2rem);

    font-style: italic;

    margin-top: 6.875rem;

}



a {

    color: #a3a3a3;

    text-decoration: none;

    border-bottom: .0625rem solid #555555;

    transition: .25s;

}



a:hover {

    color: #d8d8d8;

    border-bottom: .0625rem solid #888888;

}



.references {

    margin-top: 5.625rem;

    font-size: .95rem;

    color: #7f7f7f;

    line-height: 2.1;

}



.references a {

    color: #9a9a9a;

}



html {

    scroll-behavior: smooth;

}



#header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 999;
    background: rgba(0, 0, 0, .92);
    backdrop-filter: blur(.125rem);
}



.header-inner {

    max-width: 68.75rem;

    margin: auto;

    padding: 1.125rem 1.75rem;

    display: flex;

    justify-content: space-between;

    align-items: center;

}



.logo {

    color: #9a9a9a;

    font-size: .82rem;

    letter-spacing: .22em;

    text-decoration: none;

    border: none;

    text-transform: uppercase;

}



.logo:hover {

    color: #d6d6d6;

}



.nav {

    display: flex;

    align-items: center;

}



.nav a {

    margin-left: 1.125rem;

    color: #8fbf9f;

    font-size: .82rem;

    letter-spacing: .08em;

    border-bottom: none;

    text-transform: uppercase;

}



.nav a:hover {

    color: #d8d8d8;

}



.nav .nav-rss {

    display: inline-flex;

    align-items: center;

    min-height: 2.25rem;

    margin-left: 1.125rem;

    padding: 0 .78rem;

    border: .0625rem solid rgba(143, 191, 159, .62);

    border-radius: 999rem;

    background: rgba(143, 191, 159, .10);

    color: #d8f8f8;

    font-weight: 700;

    transition: background .2s ease, color .2s ease, border-color .2s ease, transform .2s ease;

}



.nav .nav-rss:hover,

.nav .nav-rss:focus-visible {

    border-color: #8fbf9f;

    background: #8fbf9f;

    color: #08100d;

    transform: translateY(-.0625rem);

}



.footer-rss {

    display: flex;

    align-items: center;

    justify-content: space-between;

    gap: 1.5rem;

    max-width: 65rem;

    margin: 2.5rem auto 3.5rem;

    padding: clamp(1.35rem, 3vw, 2.15rem);

    border: .0625rem solid rgba(143, 191, 159, .45);

    border-radius: 1.25rem;

    background: linear-gradient(125deg, rgba(143, 191, 159, .14), rgba(255, 255, 255, .025));

    text-align: left;

}



.footer-rss__content { max-width: 40rem; }

.footer-rss__eyebrow {

    margin: 0 0 .45rem;

    color: #8fbf9f;

    font-size: .76rem;

    font-weight: 700;

    letter-spacing: .14em;

    text-transform: uppercase;

}

.footer-rss h3 { margin: 0 0 .55rem; color: #edf7f7; font-size: clamp(1.2rem, 2.3vw, 1.7rem); }

.footer-rss p:not(.footer-rss__eyebrow) { margin: 0; color: #c9d4d4; line-height: 1.65; }

.footer-rss__button {

    display: inline-flex;

    flex: 0 0 auto;

    align-items: center;

    justify-content: center;

    gap: .65rem;

    min-height: 3.1rem;

    padding: .7rem 1rem;

    border: .0625rem solid #f26522;

    border-radius: .7rem;

    background: #f26522; /* Orange RSS standard. */

    color: #ffffff;

    font-weight: 800;

    line-height: 1.2;

    text-decoration: none;

    transition: background .2s ease, color .2s ease, transform .2s ease, box-shadow .2s ease;

}

.footer-rss__button svg { width: 1.3rem; height: 1.3rem; fill: none; stroke: currentColor; stroke-linecap: round; stroke-width: 2.2; }

.footer-rss__button:hover,

.footer-rss__button:focus-visible { background: #d95716; border-color: #d95716; color: #ffffff; transform: translateY(-.12rem); box-shadow: 0 .6rem 1.5rem rgba(242,101,34,.32); }

.footer-rss__button:focus-visible { outline: .15rem solid #ffd2ba; outline-offset: .22rem; }



@media (max-width: 42rem) {

    .header-inner { flex-wrap: wrap; gap: .7rem; padding-inline: 1rem; }

    .nav { flex-wrap: wrap; justify-content: flex-end; gap: .35rem; }

    .nav a, .nav .nav-rss { margin-left: .55rem; }

    .footer-rss { flex-direction: column; align-items: stretch; text-align: center; }

    .footer-rss__button { width: 100%; }

}



#footer {

    margin-top: 8.75rem;

    text-align: center;

    color: #7d7d7d;

    font-size: 1rem;

    line-height: 2;

}



#footer em,

footer em {

    font-style: italic !important;

}



#footer strong,

footer strong {

    font-weight: 700 !important;

}



.capsule-video-block {

    position: relative;

    display: block;

    margin: 2.5rem auto;

    width: 100%;

    max-width: 50rem;

    background-color: #000000;

}



.capsule-video-block video {

    width: 100%;

    height: auto;

    display: block;

    margin: 0 auto;

}



.audio-control-btn {

    position: absolute;

    bottom: 3.75rem;

    right: .9375rem;

    background-color: #000000;

    color: #ffffff;

    border: .0625rem solid #333333;

    padding: .5rem .75rem;

    cursor: pointer;

    font-size: .8rem;

    letter-spacing: .03125rem;

    transition: border-color .2s;

    z-index: 10;

}



.audio-control-btn:hover {

    border-color: #ffffff;

}



.capsule-video-block figcaption {

    margin-top: .9375rem;

    font-size: .9rem;

    color: #98b498;

    letter-spacing: .03125rem;

    line-height: 1.4;

    background-color: #000000;

    text-align: center;

}



/* =========================================================

   ZOOM UNIVERSEL DES IMAGES

   ========================================================= */



.img-flux-wrapper {

    position: relative;

    display: block;

    width: 100%;

    max-width: 100%;

    margin: 3.5rem auto !important;

    text-align: center;

    pointer-events: auto;

    overflow: visible;

    z-index: 1;

}



.img-flux-wrapper img {

    display: inline-block;

    width: 100%;

    max-width: 100% !important;

    height: auto !important;

    border: 0;

    border-radius: .9375rem;

    cursor: zoom-in;

    pointer-events: auto;

    transform-origin: center center;

    transition: transform .4s cubic-bezier(.16, 1, .3, 1);

    will-change: transform;

}



.img-flux-wrapper.active {

    position: relative;

    z-index: 9999;

}



.img-flux-wrapper.active img {

    position: relative;

    z-index: 2;

    cursor: zoom-out;

    transform: scale(1.15);

}



/* Évite que certains conteneurs coupent l’image agrandie */

.img-flux-wrapper,

.img-flux-wrapper figure,

.img-flux-wrapper a {

    overflow: visible;

}





/* interconnexion des huit sites */



.sites-wave-grid {

    display: grid;

    grid-template-columns: repeat(4, 1fr);

    gap: 1rem;

    max-width: 72rem;

    margin: 0 auto;

}



.wave-site {

    position: relative;

    min-height: 7rem;

    padding: 1.25rem;

    border-radius: 1.5rem;

    overflow: hidden;

    display: flex;

    align-items: center;

    justify-content: center;

    text-decoration: none;

    background:

        radial-gradient(circle at 20% 20%, rgba(150,230,255,.9), transparent 35%),

        linear-gradient(135deg,#001a44,#005bea,#00c6ff);

    box-shadow: 0 .75rem 2rem rgba(0,120,255,.3);

    animation: waveFloat 5s ease-in-out infinite;

    transition: .3s ease;

}



.wave-site::before {

    content: "";

    position: absolute;

    inset: -40%;

    background:

        linear-gradient(

            120deg,

            transparent 25%,

            rgba(255,255,255,.25) 50%,

            transparent 75%

        );

    animation: waveLight 4s ease-in-out infinite;

}



.wave-site span {

    position: relative;

    z-index: 2;

    color: #ffffff;

    font-family: Georgia, Inter, Arial, sans-serif;

    font-size: 1.25rem;

    font-weight: 700;

    text-align: center;

    text-shadow: 0 .125rem .25rem rgba(0,0,0,.4);

}



.wave-site:hover {

    transform: translateY(-.25rem) scale(1.03);

}



@keyframes waveFloat {

    0%,100% {

        transform: translateY(0);

        border-radius: 1.5rem 2.2rem 1.5rem 2rem;

    }

    50% {

        transform: translateY(-.35rem);

        border-radius: 2.2rem 1.5rem 2rem 1.5rem;

    }

}



@keyframes waveLight {

    0% {

        transform: translateX(-50%) rotate(12deg);

    }

    50% {

        transform: translateX(25%) rotate(12deg);

    }

    100% {

        transform: translateX(-50%) rotate(12deg);

    }

}



.wave-site:nth-child(2){animation-delay:-.5s;}

.wave-site:nth-child(3){animation-delay:-1s;}

.wave-site:nth-child(4){animation-delay:-1.5s;}

.wave-site:nth-child(5){animation-delay:-2s;}

.wave-site:nth-child(6){animation-delay:-2.5s;}

.wave-site:nth-child(7){animation-delay:-3s;}

.wave-site:nth-child(8){animation-delay:-3.5s;}



@media (max-width:60rem) {

    .sites-wave-grid {

        grid-template-columns: repeat(2,1fr);

    }

}



@media (max-width:36rem) {

    .sites-wave-grid {

        grid-template-columns: 1fr;

    }

}





/* ==============================

   CORRECTION ESPACEMENTS — THE-SEED.NET

   Remplace la section "CORRECTION ESPACEMENTS ARTICLES"

   existante (lignes ~433-483 du CSS actuel)

   

   Objectif : rétablir une aération correcte entre

   titres, paragraphes et images.

   ============================== */



/* ——— PARAGRAPHES ——— 

   Le margin-bottom de base (2.5em) était écrasé par 1rem !important.

   On rétablit un espacement généreux et lisible. */



.container p,

main p,

article p {

    margin-top: 0 !important;

    margin-bottom: 1.8em !important;   /* était 1rem — trop serré */

    line-height: 1.75 !important;      /* était 1.65 — un peu plus aéré */

}



/* Supprimer les paragraphes vides qui créent des doubles sauts */

.container p:empty,

main p:empty,

article p:empty {

    display: none !important;

}



.container p br:only-child,

main p br:only-child,

article p br:only-child {

    display: none !important;

}



/* ——— TITRES h1, h2, h3 ———

   Le margin-bottom était à 1rem — beaucoup trop collé au texte.

   On augmente l'espace AU-DESSUS (séparation des sections)

   et EN-DESSOUS (respiration avant le paragraphe). */



.container h1,

main h1,

article h1 {

    margin-top: 4rem !important;       /* grande respiration avant h1 */

    margin-bottom: 2rem !important;    /* était 1rem — doublé */

    line-height: 1.2 !important;

}



.container h2,

main h2,

article h2 {

    margin-top: 4.5rem !important;     /* était 2.5rem — plus d'air entre sections */

    margin-bottom: 1.8rem !important;  /* était 1rem — nettement plus aéré */

    line-height: 1.25 !important;

}



.container h3,

main h3,

article h3 {

    margin-top: 3.5rem !important;     /* était 2.5rem */

    margin-bottom: 1.5rem !important;  /* était 1rem */

    line-height: 1.3 !important;

}



/* ——— IMAGES ———

   Les images manquaient d'espace avant et après.

   On augmente les marges du wrapper. */



.img-flux-wrapper {

    margin: 3.5rem auto 3.5rem !important;  /* était 1.875rem / 2.5rem */

}



.container img,

main img,

article img {

    max-width: 100% !important;

    height: auto !important;

}



/* Légendes sous les images (italiques) — 

   ajouter un espace sous la légende avant le prochain bloc */

.img-flux-wrapper + p,

.img-flux-wrapper + em,

figure + p {

    margin-top: 0.5rem !important;

}



/* ——— BLOCS CENTRÉS (images dans des div text-align:center) ——— */



.container div[style*="text-align:center"],

main div[style*="text-align:center"],

article div[style*="text-align:center"] {

    margin-top: 3rem !important;       /* était 2rem */

    margin-bottom: 3rem !important;    /* était 2rem */

}



/* ——— BLOCKQUOTES (citations) ———

   Augmenter la respiration autour des citations */



.container blockquote,

main blockquote,

article blockquote {

    margin-top: 4rem !important;       /* cohérent avec le 5rem de base */

    margin-bottom: 4rem !important;

}



/* ——— VIDÉOS ———

   Plus d'espace autour des blocs vidéo */



.capsule-video-block {

    margin: 3.5rem auto !important;    /* était 2.5rem */

}



/* ——— SÉPARATEURS ———

   Garder une bonne respiration autour des séparateurs */



.separator {

    margin: 5rem auto !important;      /* cohérent avec le style existant */

}





/* FOOTER UNIFIÉ - Styles */



.biospheric-footer {

  background: linear-gradient(180deg, #000000 0%, #1a1f3a 100%);

  color: #e0e6f0;

  padding: 60px 40px 30px;

  margin-top: 80px;

  border-top: 1px solid rgba(0, 255, 200, 0.1);

  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;

}



/* SECTION 1 : SOUTIEN */

.footer-support {

  margin-bottom: 60px;

  text-align: center;

}



.footer-support h3 {

  font-size: 1.5em;

  margin-bottom: 15px;

  color: #00ffc8;

  text-transform: uppercase;

  letter-spacing: 1px;

  font-weight: 600;

}



.footer-support > p {

  font-size: 0.95em;

  margin-bottom: 30px;

  line-height: 1.6;

  max-width: 600px;

  margin-left: auto;

  margin-right: auto;

}



.support-options {

  display: grid;

  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));

  gap: 20px;

  margin-bottom: 30px;

  max-width: 900px;

  margin-left: auto;

  margin-right: auto;

}



.support-card {

  background: rgba(0, 255, 200, 0.05);

  border: 1px solid rgba(0, 255, 200, 0.2);

  border-radius: 8px;

  padding: 25px;

  transition: all 0.3s ease;

  display: flex;

  flex-direction: column;

  justify-content: space-between;

  min-height: 180px;

}



.support-card:hover {

  background: rgba(0, 255, 200, 0.1);

  border-color: rgba(0, 255, 200, 0.4);

  box-shadow: 0 0 20px rgba(0, 255, 200, 0.15);

}



.support-card-free {

  background: rgba(100, 200, 255, 0.05);

  border-color: rgba(100, 200, 255, 0.2);

}



.support-card-free:hover {

  background: rgba(100, 200, 255, 0.1);

  border-color: rgba(100, 200, 255, 0.4);

  box-shadow: 0 0 20px rgba(100, 200, 255, 0.15);

}



.support-amount {

  font-size: 1.8em;

  font-weight: 700;

  color: #00ffc8;

  margin-bottom: 10px;

}



.support-card-free .support-amount {

  color: #64c8ff;

}



.support-label {

  font-size: 0.85em;

  color: #b0b8c8;

  margin-bottom: 15px;

  line-height: 1.4;

}



.btn-donate {

  display: inline-block;

  background: linear-gradient(135deg, #00ffc8 0%, #00d9a3 100%);

  color: #0a0e27;

  padding: 10px 20px;

  border-radius: 5px;

  text-decoration: none;

  font-weight: 600;

  font-size: 0.9em;

  transition: all 0.3s ease;

  border: none;

  cursor: pointer;

}



.btn-donate:hover {

  transform: translateY(-2px);

  box-shadow: 0 8px 20px rgba(0, 255, 200, 0.3);

}



.btn-donate-free {

  background: linear-gradient(135deg, #64c8ff 0%, #3aa8ff 100%);

}



.support-note {

  font-size: 0.85em;

  color: #888;

  margin-top: 20px;

}



/* SECTION 2 : TRANSMISSION SOCIALE */

.footer-transmission {

  margin-bottom: 60px;

  text-align: center;

  padding: 40px 0;

  border-top: 1px solid rgba(0, 255, 200, 0.1);

  border-bottom: 1px solid rgba(0, 255, 200, 0.1);

}



.footer-transmission h3 {

  font-size: 1.3em;

  margin-bottom: 10px;

  color: #00ffc8;

  text-transform: uppercase;

  letter-spacing: 1px;

  font-weight: 600;

}



.footer-transmission > p {

  font-size: 0.95em;

  color: #b0b8c8;

  margin-bottom: 30px;

  line-height: 1.6;

}



.social-networks {

  display: flex;

  justify-content: center;

  gap: 15px;

  flex-wrap: wrap;

  max-width: 800px;

  margin: 0 auto;

}



.social-networks a {

  display: inline-flex;

  align-items: center;

  justify-content: center;

  width: 45px;

  height: 45px;

  background: rgba(0, 255, 200, 0.1);

  border: 1px solid rgba(0, 255, 200, 0.2);

  border-radius: 50%;

  color: #00ffc8;

  transition: all 0.3s ease;

  text-decoration: none;

}



.social-networks a:hover {

  background: rgba(0, 255, 200, 0.2);

  border-color: rgba(0, 255, 200, 0.4);

  transform: scale(1.1);

  box-shadow: 0 0 15px rgba(0, 255, 200, 0.2);

}



.social-networks svg {

  width: 22px;

  height: 22px;

}



/* SECTION 3 : SIGNATURE */

.footer-signature {

  margin-bottom: 40px;

  text-align: center;

}



.footer-text {

  font-size: 0.9em;

  line-height: 1.6;

  margin-bottom: 15px;

  color: #b0b8c8;

}



.footer-vision {

  font-size: 1.1em;

  font-style: italic;

  color: #00ffc8;

  font-weight: 500;

}



.footer-philosophy {

  font-size: 1.3em;

  color: #888;

  max-width: 700px;

  margin-left: auto;

  margin-right: auto;

}



.footer-navigation {

  display: flex;

  justify-content: center;

  gap: 30px;

  margin-top: 25px;

  flex-wrap: wrap;

}



.nav-link {

  color: #00ffc8;

  text-decoration: none;

  font-size: 0.9em;

  font-weight: 500;

  transition: all 0.3s ease;

  padding: 5px 10px;

  border-radius: 3px;

}



.nav-link:hover {

  background: rgba(0, 255, 200, 0.1);

  transform: translateY(-2px);

}



/* SECTION 4 : LIENS LÉGAUX */

.footer-legal {

  display: flex;

  justify-content: center;

  gap: 20px;

  flex-wrap: wrap;

  margin-bottom: 20px;

  padding-bottom: 20px;

  border-bottom: 1px solid rgba(0, 255, 200, 0.1);

}



.legal-link {

  color: #888;

  text-decoration: none;

  font-size: 0.85em;

  transition: color 0.3s ease;

}



.legal-link:hover {

  color: #00ffc8;

}



/* COPYRIGHT */

.footer-copyright {

  text-align: center;

  font-size: 0.8em;

  color: #555;

}



/* RESPONSIVE */

@media (max-width: 768px) {

  .biospheric-footer {

    padding: 40px 20px 20px;

  }



  .footer-support h3,

  .footer-transmission h3 {

    font-size: 1.2em;

  }



  .support-options {

    grid-template-columns: 1fr;

  }



  .social-networks {

    gap: 10px;

  }



  .footer-navigation {

    gap: 15px;

  }



  .footer-legal {

    gap: 10px;

  }

}



/* ========================================================

   INTRODUCTION FOOTER

   ======================================================== */



.footer-intro {

    max-width: 1000px;

    margin: 0 auto 40px auto;

    padding: 20px 25px;

    text-align: center;

}



.footer-intro p {

    margin: 0;

    font-size: 1.15rem;

    line-height: 1.8;

    color: #d8e7e2;

    font-weight: 300;

    letter-spacing: 0.02em;

}



.footer-intro strong {

    color: #ffffff;

    font-weight: 600;

}



/* ————————————————————————————————

   SYSTÈME GRANITE D’ESPACEMENT VERTICAL

   agibiospheric.net — Version stable 2026

   ———————————————————————————————— */



.spacer-s  { height: 40px; }

.spacer-m  { height: 70px; }

.spacer-l  { height: 110px; }

.spacer-xl { height: 160px; }

.spacer-xxl { height: 220px; }



/* ——— Version mobile ——— */

@media (max-width: 600px) {

  .spacer-s  { height: 30px; }

  .spacer-m  { height: 50px; }

  .spacer-l  { height: 80px; }

  .spacer-xl { height: 120px; }

  .spacer-xxl { height: 160px; }

}



/* ————————————————————————————————

   SECTIONS RESPIRANTES (optionnel)

   ———————————————————————————————— */



.section {

  padding-top: 80px;

  padding-bottom: 80px;

}



@media (max-width: 600px) {

  .section {

    padding-top: 50px;

    padding-bottom: 50px;

  }

}



/*    color: #F5EB27; */





/* =========================================================

   LETTRINES — AGIBIOSPHERIC.NET

   ========================================================= */



.lettrine {

    float: left;

    display: inline-block;

    margin: .04em .12em 0 0;

    padding: 0;

    font-family: "Fontdiner Swanky", cursive;

    font-size: 6.4em;

    font-weight: 400;

    line-height: .78;

    color: #f5eb27;

    text-shadow:

        0 0 .4rem rgba(245, 235, 39, .3),

        0 0 1.2rem rgba(245, 235, 39, .1);

    transition: text-shadow .4s ease;

}



.lettrine:hover {

    text-shadow:

        0 0 .6rem rgba(245, 235, 39, .5),

        0 0 1.8rem rgba(245, 235, 39, .2);

}



/* Taille raisonnable dans les titres */

h2 .lettrine,

h3 .lettrine,

h4 .lettrine,

h5 .lettrine,

h6 .lettrine {

    float: none;

    display: inline-block;

    margin: 0 .06em 0 0;

    font-size: 1em;

    line-height: .85;

    vertical-align: -.08em;

}



/* Ne pas couper une lettrine avec overflow:hidden */

p:has(> .lettrine) {

    overflow: visible;

}



@media (max-width: 600px) {

    .lettrine {

        font-size: 5.2em;

        margin-right: .08em;

    }



    h2 .lettrine,

    h3 .lettrine,

    h4 .lettrine,

    h5 .lettrine,

    h6 .lettrine {

        font-size: 1em;

    }

}





.scroll-buttons {

  position: fixed;

  right: 20px;

  top: 70%;

  transform: translateY(-50%);

  display: flex;

  flex-direction: column;

  gap: 12px;

  z-index: 9999;

}



.scroll-buttons a {

  display: block;

  width: 40px;

  height: 40px;

  background: #000;

  color: #fff;

  text-decoration: none;

  font-size: 22px;

  font-weight: bold;

  border-radius: 6px;

  display: flex;

  align-items: center;

  justify-content: center;

  opacity: 0.85;

  transition: opacity 0.2s;

}



.scroll-buttons a:hover {

  opacity: 1;

}




/* ==========================================================
   DÉFINITIONS PÉDAGOGIQUES — protocole partagé The Seed
   ========================================================== */
.seed-definition-term {
  appearance: none;
  display: inline;
  margin: 0;
  padding: 0 1px;
  border: 0;
  border-bottom: 1px dashed color-mix(in srgb, currentColor 72%, transparent);
  background: transparent;
  color: inherit;
  font: inherit;
  line-height: inherit;
  text-align: inherit;
  text-decoration: none !important;
  transition: color .18s ease, border-color .18s ease, background .18s ease;
}
.seed-definition-term:hover,
.seed-definition-term:focus-visible {
  color: #888888;
  border-bottom-color: currentColor;
  background: color-mix(in srgb, currentColor 7%, transparent);
  outline: none;
}
.seed-definition-term:focus-visible {
  outline: 2px solid color-mix(in srgb, currentColor 55%, transparent);
  outline-offset: 3px;
  border-radius: 3px;
}
.seed-definition-dialog {
  width: min(570px, calc(100% - 30px));
  max-height: min(80vh, 680px);
  padding: 0;
  border: 1px solid rgba(180, 220, 190, .42);
  border-radius: 22px;
  color: #edf3ef;
  background: #07110b;
  box-shadow: 0 28px 90px rgba(0,0,0,.72);
}
.seed-definition-dialog::backdrop {
  background: rgba(0, 5, 2, .76);
  backdrop-filter: blur(7px);
}
.seed-definition-dialog__inner {
  position: relative;
  padding: 34px 34px 30px;
}
.seed-definition-dialog__close {
  position: absolute;
  top: 13px;
  right: 14px;
  width: 36px;
  height: 36px;
  padding: 0;
  border-radius: 50%;
  border: 1px solid rgba(210,235,215,.4);
  color: #fff;
  background: rgba(255,255,255,.04);
  font: inherit;
  font-size: 1.15rem;
  line-height: 1;
  cursor: pointer;
}
.seed-definition-dialog__eyebrow {
  margin: 0 42px 9px 0;
  font-size: .72rem;
  letter-spacing: .17em;
  text-transform: uppercase;
  opacity: .56;
}
.seed-definition-dialog h3 {
  margin: 0 42px 14px 0;
  color: #fff;
  font-size: 1.35rem;
  font-weight: 400;
}
.seed-definition-dialog p {
  margin: 0 0 20px;
  color: #d9e5dc;
  font-size: 1rem;
  line-height: 1.68;
}
.seed-definition-dialog a,
.seed-definition-dialog a:visited {
  color: #a9d9b4 !important;
  text-decoration: underline !important;
  text-underline-offset: 4px;
}
@media (max-width: 600px) {
  .seed-definition-dialog__inner { padding: 30px 22px 25px; }
  .seed-definition-dialog h3 { font-size: 1.2rem; }
  .seed-definition-dialog p { font-size: .96rem; }
}

/* ==========================================================
   TITRES — INTERLIGNAGE RENFORCÉ (+0,25rem)
   Ajout ciblé : conserve les tailles et marges existantes.
   ========================================================== */
h1,
.container h1,
main h1,
article h1 {
    line-height: calc(1.2em + 0.25rem) !important;
}

h2,
.container h2,
main h2,
article h2 {
    line-height: calc(1.25em + 0.25rem) !important;
}

h3,
.container h3,
main h3,
article h3 {
    line-height: calc(1.3em + 0.25rem) !important;
}

h4, h5, h6 {
    line-height: calc(1.25em + 0.25rem) !important;
}



/* ==========================================================
   Template <div class="portal-window">  liens vers tous nos sites En fin de chaque site - penser à enlever le lien du site sur lequel cette ligne de code est déposée et AUSSI  penser pour index.php (Cédric) si pas index.html
   ========================================================== */


:root {
  --portal-border-color: #8fd3ff;
  --portal-bg-start: #020617;
  --portal-bg-end: #000000;
  --portal-inner-shadow: rgba(0, 0, 0, 0.65);
  --portal-text-color: #ffffff;
  --portal-link-color: #e5f4ff;
  --portal-link-hover-color: #ffffff;
}

/* Fenêtre granite */
.portal-window {
  box-sizing: border-box;
  padding: 1.5rem 1.75rem;
  border: 0.0625rem solid var(--portal-border-color); /* 1px rem */
  border-radius: 0.9375rem; /* 15px rem */
  background: linear-gradient(135deg, var(--portal-bg-start), var(--portal-bg-end));
  box-shadow:
    inset 0 0 1.5rem var(--portal-inner-shadow),
    0 0.5rem 1.5rem rgba(0, 0, 0, 0.45);
  color: var(--portal-text-color);
  display: flex;
  justify-content: center;
  align-items: center;
  text-align: center;
  transition: transform 180ms ease-out, box-shadow 180ms ease-out, border-color 180ms ease-out;
}

.portal-window:hover {
  transform: translateY(-0.125rem);
  box-shadow:
    inset 0 0 1.75rem var(--portal-inner-shadow),
    0 0.75rem 1.75rem rgba(0, 0, 0, 0.55);
  border-color: #b9e6ff;
}

/* Liens */
.portal-links {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  align-items: center;
  gap: 0.5rem;
  font-size: 1rem;
}

.portal-link {
  font-size: inherit; /* règle granite */
  color: var(--portal-link-color);
  text-decoration: none;
  white-space: nowrap;
  position: relative;
  padding: 0.15rem 0.35rem;
  border-radius: 999px;
  transition: color 140ms ease-out, background-color 140ms ease-out, transform 140ms ease-out;
}

.portal-link::before {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: inherit;
  border: 0.03125rem solid rgba(143, 211, 255, 0.25);
  opacity: 0;
  transition: opacity 140ms ease-out;
}

.portal-link:hover {
  color: var(--portal-link-hover-color);
  background-color: rgba(143, 211, 255, 0.12);
  transform: translateY(-0.0625rem);
}

.portal-link:hover::before {
  opacity: 1;
}

.portal-link-home {
  font-weight: 600;
}

/* Séparateur */
.portal-separator {
  font-size: 1.25rem;
  color: #ffffff;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0 0.25rem;
}

/* Responsive */
@media (max-width: 640px) {
  .portal-window {
    padding: 1.25rem 1.25rem;
  }
  .portal-links {
    gap: 0.35rem;
  }
  .portal-separator {
    font-size: 1.1rem;
  }
}

.portal-window {
  margin-left: auto;
  margin-right: auto;
  display: flex;
  justify-content: center;
}

/* =========================================================
   PARAGRAPHES SPÉCIFIQUES — VERSION VIOLET TRÈS FONCÉ
   ========================================================= */

.paragraphe-ajuste {
    position: relative !important;
    overflow: hidden !important;
    z-index: 0 !important;

    margin-top: 0 !important;
    margin-bottom: 1.15rem !important;

    padding: 1.15rem 1.35rem 1.15rem 1.5rem !important;
    line-height: 1.68 !important;

    color: #f2e9ff !important; /* texte légèrement lilas */
    border-left: .25rem solid rgba(140, 82, 255, .95) !important; /* violet lumineux */

    border-radius: .85rem !important;

    background:
        linear-gradient(
            90deg,
            rgba(140, 82, 255, .18),
            rgba(180, 120, 255, .11) 48%,
            rgba(0, 0, 0, .22)
        ),
        rgba(26, 15, 43, .75) !important; /* violet très foncé */

    box-shadow:
        0 0 .75rem rgba(140, 82, 255, .25),
        inset 0 0 1.25rem rgba(180, 120, 255, .10) !important;

    text-shadow:
        0 0 .18rem rgba(245, 235, 255, .32),
        0 0 .85rem rgba(140, 82, 255, .22) !important;

    animation: agiParagraphMeditativeGlow 7.2s ease-in-out infinite !important;
    will-change: box-shadow, border-color, text-shadow, background-position !important;
}

.paragraphe-ajuste::before {
    content: "" !important;
    position: absolute !important;
    inset: 0 !important;
    z-index: -1 !important;
    pointer-events: none !important;

    background: linear-gradient(
        115deg,
        transparent 0%,
        transparent 28%,
        rgba(140, 82, 255, .22) 44%,
        rgba(180, 120, 255, .25) 50%,
        rgba(140, 82, 255, .15) 56%,
        transparent 72%,
        transparent 100%
    ) !important;

    transform: translateX(-115%) !important;
    animation: agiParagraphSlowPassage 7.2s ease-in-out infinite !important;
}

/* =========================================================
   ANIMATIONS — VERSION VIOLET
   ========================================================= */

@keyframes agiParagraphMeditativeGlow {
    0%, 100% {
        border-left-color: rgba(140, 82, 255, .65);
        box-shadow: 0 0 .55rem rgba(140, 82, 255, .20);
    }
    38% {
        border-left-color: rgba(140, 82, 255, 1);
        box-shadow: 0 0 1.05rem rgba(140, 82, 255, .40);
    }
    52% {
        border-left-color: rgba(180, 120, 255, 1);
        box-shadow: 0 0 1.25rem rgba(180, 120, 255, .45);
    }
    78% {
        border-left-color: rgba(140, 82, 255, .80);
        box-shadow: 0 0 .75rem rgba(140, 82, 255, .28);
    }
}

@keyframes agiParagraphSlowPassage {
    0%, 18% { opacity: 0; transform: translateX(-115%); }
    38% { opacity: .9; transform: translateX(-22%); }
    52% { opacity: 1; transform: translateX(12%); }
    78%, 100% { opacity: 0; transform: translateX(115%); }
}


.seed-alive-btn {
  display: inline-block;
  padding: 14px 38px;
  background: #1a0f2b; /* violet très foncé */
  color: #e9d7ff; /* violet clair spectral */
  font-weight: 600;
  letter-spacing: 1.2px;
  border-radius: 48px;
  text-decoration: none;
  position: relative;
  overflow: hidden;
  border: 1px solid rgba(180, 120, 255, .25);
  transition: transform .45s ease, box-shadow .45s ease;
  
  /* respiration permanente */
  animation: seedBreath 3.8s ease-in-out infinite;
}

/* halo vivant */
.seed-alive-btn::before {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: inherit;
  background: radial-gradient(circle,
    rgba(180, 120, 255, .22) 0%,
    rgba(180, 120, 255, .08) 45%,
    transparent 70%
  );
  opacity: 0;
  transform: scale(0.85);
  transition: opacity .55s ease, transform .55s ease;
}

/* attraction PC */
.seed-alive-btn:hover {
  transform: scale(1.08);
  box-shadow: 0 0 26px rgba(180, 120, 255, .35);
}

.seed-alive-btn:hover::before {
  opacity: 1;
  transform: scale(1.15);
}

/* attraction mobile */
.seed-alive-btn:active {
  transform: scale(0.94);
  box-shadow: 0 0 20px rgba(180, 120, 255, .28);
}

.seed-definition-term {
    cursor: pointer
}


/* respiration organique */
@keyframes seedBreath {
  0%, 100% {
    transform: scale(1);
    box-shadow: 0 0 12px rgba(180, 120, 255, .18);
  }
  50% {
    transform: scale(1.03);
    box-shadow: 0 0 22px rgba(180, 120, 255, .28);
  }
}

/* ==========================================================
   THE SEED — PORTAL WINDOW
   CADRE VIVANT — ONDE RÉELLEMENT INTÉGRÉE AU CONTOUR
   ========================================================== */

:root {
  --portal-border-color: rgba(205, 238, 215, 0.38);
  --portal-bg-start: #020604;
  --portal-bg-end: #000000;
  --portal-inner-shadow: rgba(0, 0, 0, 0.72);
  --portal-text-color: #ffffff;
  --portal-link-color: #e9f8ed;
  --portal-link-hover-color: #ffffff;

  --portal-wave-core: rgba(235, 255, 240, 1);
  --portal-wave-soft: rgba(165, 235, 180, 0.28);
}


/* ==========================================================
   FENÊTRE
   ========================================================== */

.portal-window {
  position: relative;
  box-sizing: border-box;
  width: 100%;
  padding: 1.5rem 1.75rem;

  border: 1px solid var(--portal-border-color);
  border-radius: 15px;

  background:
    linear-gradient(
      135deg,
      var(--portal-bg-start),
      var(--portal-bg-end)
    );

  box-shadow:
    inset 0 0 1.5rem var(--portal-inner-shadow),
    0 0.5rem 1.5rem rgba(0, 0, 0, 0.45);

  color: var(--portal-text-color);

  display: flex;
  justify-content: center;
  align-items: center;

  text-align: center;
  isolation: isolate;
  overflow: hidden;

  transition:
    transform 180ms ease-out,
    box-shadow 180ms ease-out;
}


/* ==========================================================
   SUPPRESSION DES ANCIENS EFFETS
   Aucun conic-gradient.
   Aucune rotation.
   ========================================================== */

.portal-window::before,
.portal-window::after {
  content: none !important;
}


/* ==========================================================
   VRAI CONTOUR SVG
   ========================================================== */

.portal-wave {
  position: absolute;
  inset: 0;

  width: 100%;
  height: 100%;

  display: block;
  pointer-events: none;

  z-index: 1;
  overflow: visible;
}


/* ==========================================================
   CONTOUR FIXE
   ========================================================== */

.portal-wave-base {
  fill: none;

  stroke: rgba(205, 238, 215, 0.32);
  stroke-width: 1;

  vector-effect: non-scaling-stroke;
}


/* ==========================================================
   ONDE LUMINEUSE
   ----------------------------------------------------------
   Le segment se déplace sur le chemin SVG.
   Il ne tourne pas dans la fenêtre.
   ========================================================== */

.portal-wave-light {
  fill: none;

  stroke: var(--portal-wave-core);
  stroke-width: 2;

  stroke-linecap: round;
  stroke-linejoin: round;

  stroke-dasharray: 55 945;
  stroke-dashoffset: 0;

  vector-effect: non-scaling-stroke;

  filter:
    drop-shadow(0 0 2px rgba(225, 255, 232, 0.85))
    drop-shadow(0 0 6px rgba(150, 235, 170, 0.30));

  animation:
    seed-border-wave
    8s
    linear
    infinite;
}


/* ==========================================================
   DÉPLACEMENT SUR LE PÉRIMÈTRE
   ========================================================== */

@keyframes seed-border-wave {
  from {
    stroke-dashoffset: 0;
  }

  to {
    stroke-dashoffset: -1000;
  }
}


/* ==========================================================
   HOVER DU CADRE
   ========================================================== */

.portal-window:hover {
  transform: translateY(-2px);

  box-shadow:
    inset 0 0 1.75rem rgba(0, 0, 0, 0.75),
    0 0.75rem 1.75rem rgba(0, 0, 0, 0.55);
}


/* ==========================================================
   LIENS
   ========================================================== */

.portal-links {
  position: relative;
  z-index: 10;

  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  align-items: center;

  gap: 0.5rem 0.7rem;
  font-size: 1.08rem;
}


/* ==========================================================
   LIENS INDIVIDUELS
   ========================================================== */

.portal-link {
  position: relative;
  display: inline-block;

  font-size: inherit;
  color: var(--portal-link-color);

  text-decoration: none;
  white-space: nowrap;

  padding: 0.15rem 0.35rem;
  border-radius: 999px;

  transition:
    color 300ms ease,
    text-shadow 300ms ease,
    transform 300ms ease;
}


/* Aucun petit cadre autour des liens */

.portal-link::before {
  content: none;
}


/* ==========================================================
   HOVER DES LIENS
   ========================================================== */

.portal-link:hover,
.portal-link:focus-visible {
  color: var(--portal-link-hover-color);
  background: transparent;

  transform: translateY(-1px);

  text-shadow:
    0 0 7px rgba(225, 255, 232, 0.55),
    0 0 18px rgba(165, 235, 180, 0.22);
}


/* ==========================================================
   ACCUEIL
   ========================================================== */

.portal-link-home {
  font-weight: 600;
}


/* ==========================================================
   SÉPARATEURS
   ========================================================== */

.portal-separator {
  display: inline-flex;

  align-items: center;
  justify-content: center;

  padding: 0 0.15rem;

  font-size: 1.15rem;
  color: rgba(220, 245, 225, 0.62);
}


/* ==========================================================
   FOCUS CLAVIER
   ========================================================== */

.portal-link:focus-visible {
  outline: 1px solid rgba(220, 255, 230, 0.75);
  outline-offset: 4px;
  border-radius: 3px;
}


/* ==========================================================
   MOBILE
   ========================================================== */

@media (max-width: 640px) {
  .portal-window {
    padding: 1.25rem 1.1rem;
    border-radius: 13px;
  }

  .portal-links {
    gap: 0.4rem 0.5rem;
    font-size: 1rem;
  }

  .portal-separator {
    font-size: 1.05rem;
  }
}


/* ==========================================================
   ACCESSIBILITÉ
   ========================================================== */

@media (prefers-reduced-motion: reduce) {
  .portal-wave-light {
    animation: none;
    stroke: rgba(225, 255, 232, 0.72);
  }
}

/* =========================================================
   HEADER NAVIGATION — menu principal 2026-09
   ========================================================= */
.site-header { width: 100%; }

.header-inner {
    max-width: 82rem;
    gap: 1rem;
}

.nav {
    gap: .2rem;
    justify-content: flex-end;
    min-width: 0;
}

.nav > a,
.nav-menu > summary,
.nav-languages a {
    margin-left: 0;
    color: #8fbf9f;
    font-size: .76rem;
    letter-spacing: .055em;
    line-height: 1.2;
    text-transform: uppercase;
}

.nav > a,
.nav-menu > summary,
.nav-languages a {
    display: inline-flex;
    align-items: center;
    min-height: 2.4rem;
    padding: .52rem .68rem;
    border: .0625rem solid transparent;
    border-radius: .65rem;
    text-decoration: none;
    white-space: nowrap;
}

.nav > a:hover,
.nav > a:focus-visible,
.nav-menu > summary:hover,
.nav-menu > summary:focus-visible,
.nav-menu[open] > summary,
.nav-languages a:hover,
.nav-languages a:focus-visible,
.nav-languages a[aria-current="true"] {
    border-color: rgba(143, 191, 159, .38);
    background: rgba(143, 191, 159, .10);
    color: #e3f2e8;
}

.nav-menu {
    position: relative;
}

.nav-menu > summary {
    cursor: pointer;
    list-style: none;
    user-select: none;
}

.nav-menu > summary::-webkit-details-marker { display: none; }
.nav-menu > summary::marker { content: ""; font-size: 0; }
.nav-menu > summary { -webkit-appearance: none; appearance: none; }

.nav-menu > summary::after {
    content: "▾";
    margin-left: .42rem;
    font-size: .72em;
    transition: transform .18s ease;
}

.nav-menu[open] > summary::after { transform: rotate(180deg); }

.nav-dropdown {
    position: absolute;
    z-index: 1200;
    top: calc(100% + .45rem);
    left: 0;
    display: grid;
    min-width: 14rem;
    padding: .48rem;
    border: .0625rem solid rgba(143, 191, 159, .28);
    border-radius: .85rem;
    background: rgba(5, 9, 8, .98);
    box-shadow: 0 1rem 2.4rem rgba(0, 0, 0, .48);
    backdrop-filter: blur(.75rem);
}

.nav-dropdown-wide { min-width: 19rem; }
.nav-dropdown-right { left: auto; right: 0; }

.nav-dropdown a {
    margin: 0;
    padding: .68rem .78rem;
    border: 0;
    border-radius: .55rem;
    color: #b9d6c2;
    font-size: .82rem;
    letter-spacing: .025em;
    line-height: 1.3;
    text-align: left;
    text-transform: none;
    white-space: normal;
}

.nav-dropdown a:hover,
.nav-dropdown a:focus-visible {
    background: rgba(143, 191, 159, .12);
    color: #ffffff;
}

.nav-languages {
    display: inline-flex;
    align-items: center;
    gap: .08rem;
    margin-left: .2rem;
    padding-left: .3rem;
    border-left: .0625rem solid rgba(255,255,255,.13);
}

.nav-languages a {
    min-height: 2.1rem;
    padding-inline: .48rem;
}

.nav .nav-support {
    margin-left: .25rem;
    border-color: rgba(143, 191, 159, .48);
    background: rgba(143, 191, 159, .08);
}

@media (max-width: 68rem) {
    .header-inner {
        align-items: flex-start;
        flex-wrap: wrap;
        padding: .85rem 1rem;
    }

    .logo { padding-top: .7rem; }

    .nav {
        flex: 1 1 38rem;
        flex-wrap: wrap;
    }
}

@media (max-width: 48rem) {
    #header {
        position: fixed;
        background: rgba(0, 0, 0, .96);
    }

    .header-inner {
        display: block;
        padding: .85rem 1rem .95rem;
    }

    .logo {
        display: inline-block;
        padding: .45rem .25rem .75rem;
    }

    .nav {
        display: grid;
        grid-template-columns: repeat(2, minmax(0, 1fr));
        gap: .38rem;
        width: 100%;
    }

    .nav > a,
    .nav-menu > summary,
    .nav-languages {
        width: 100%;
    }

    .nav > a,
    .nav-menu > summary {
        justify-content: space-between;
        min-height: 2.75rem;
        padding: .68rem .72rem;
        border-color: rgba(143, 191, 159, .14);
        background: rgba(255,255,255,.025);
    }

    .nav-menu { position: static; }

    .nav-dropdown,
    .nav-dropdown-wide,
    .nav-dropdown-right {
        position: static;
        grid-column: 1 / -1;
        min-width: 0;
        margin-top: .28rem;
        box-shadow: none;
    }

    .nav-menu[open] {
        grid-column: 1 / -1;
    }

    .nav-languages {
        justify-content: center;
        gap: .25rem;
        margin: 0;
        padding: 0;
        border-left: 0;
    }

    .nav-languages a { justify-content: center; flex: 1; }
    .nav .nav-support { margin-left: 0; justify-content: center; }
}

/* =========================================================
   HEADER NAVIGATION — finition V4 2026-09-08
   ========================================================= */

/* Entrées du menu : effet plus fin, plus arrondi, sans "boîte" massive. */
#header .nav > a,
#header .nav details.nav-menu > summary,
#header .nav .nav-languages a {
    border-radius: 999px;
    border-color: transparent;
    background: transparent;
    transition:
        color .18s ease,
        background-color .18s ease,
        border-color .18s ease,
        box-shadow .18s ease;
}

#header .nav details.nav-menu {
    position: relative;
    display: block;
    margin: 0;
    padding: 0;
    font: inherit;
}

#header .nav details.nav-menu > summary {
    display: inline-flex !important;
    align-items: center;
    justify-content: center;
    box-sizing: border-box;
    margin: 0 !important;
    min-height: 2.4rem;
    padding: .52rem .68rem !important;
    border: .0625rem solid transparent;
    background: transparent;
    color: #8fbf9f !important;
    font-family: inherit !important;
    font-size: .76rem !important;
    font-style: normal !important;
    font-weight: 400 !important;
    letter-spacing: .055em !important;
    line-height: 1.2 !important;
    text-align: center;
    text-decoration: none !important;
    text-transform: uppercase !important;
    white-space: nowrap;
    cursor: pointer;
    list-style: none !important;
    -webkit-appearance: none !important;
    appearance: none !important;
}

#header .nav details.nav-menu > summary::-webkit-details-marker {
    display: none !important;
}

#header .nav details.nav-menu > summary::marker {
    content: "" !important;
    font-size: 0 !important;
}

#header .nav details.nav-menu > summary::before {
    content: none !important;
}

#header .nav details.nav-menu > summary::after {
    content: "▾" !important;
    display: inline-block;
    margin-left: .38rem;
    color: currentColor;
    font-size: .66em;
    line-height: 1;
    opacity: .72;
    transform-origin: center;
    transition: transform .18s ease, opacity .18s ease;
}

#header .nav details.nav-menu[open] > summary::after {
    transform: rotate(180deg);
    opacity: 1;
}

#header .nav > a:hover,
#header .nav > a:focus-visible,
#header .nav details.nav-menu > summary:hover,
#header .nav details.nav-menu > summary:focus-visible,
#header .nav details.nav-menu[open] > summary,
#header .nav .nav-languages a:hover,
#header .nav .nav-languages a:focus-visible,
#header .nav .nav-languages a[aria-current="true"] {
    border-color: rgba(143, 191, 159, .20);
    background: rgba(143, 191, 159, .055);
    box-shadow: 0 0 .7rem rgba(143, 191, 159, .035);
    color: #dbece1 !important;
}

/* Le bouton soutien garde une présence légère mais plus organique. */
#header .nav .nav-support {
    border-radius: 999px;
    border-color: rgba(143, 191, 159, .30);
    background: rgba(143, 191, 159, .045);
}

#header .nav .nav-support:hover,
#header .nav .nav-support:focus-visible {
    border-color: rgba(143, 191, 159, .42);
    background: rgba(143, 191, 159, .08);
}

/* Sous-menus : contours plus doux et coins plus généreux. */
#header .nav details.nav-menu > .nav-dropdown {
    position: absolute;
    z-index: 1200;
    top: calc(100% + .42rem);
    left: 0;
    border-color: rgba(143, 191, 159, .20);
    border-radius: 1.15rem;
    background: rgba(4, 8, 7, .965);
    box-shadow: 0 .8rem 2rem rgba(0, 0, 0, .38);
    backdrop-filter: blur(.85rem);
}

#header .nav details.nav-menu > .nav-dropdown.nav-dropdown-right {
    left: auto;
    right: 0;
}

#header .nav .nav-dropdown a {
    border-radius: .8rem;
    transition: color .16s ease, background-color .16s ease;
}

#header .nav .nav-dropdown a:hover,
#header .nav .nav-dropdown a:focus-visible {
    background: rgba(143, 191, 159, .075);
    color: #f1f7f3;
}

@media (max-width: 48rem) {
    #header .nav details.nav-menu {
        position: static;
        width: 100%;
    }

    #header .nav details.nav-menu > summary {
        width: 100%;
        justify-content: space-between;
        min-height: 2.75rem;
        padding: .68rem .78rem !important;
        border-radius: .9rem;
        border-color: rgba(143, 191, 159, .12);
        background: rgba(255, 255, 255, .02);
        text-align: left;
    }

    #header .nav details.nav-menu[open] {
        grid-column: 1 / -1;
    }

    #header .nav details.nav-menu > .nav-dropdown,
    #header .nav details.nav-menu > .nav-dropdown.nav-dropdown-right {
        position: static;
        width: 100%;
        min-width: 0;
        margin-top: .28rem;
        border-radius: .9rem;
        box-shadow: none;
    }
}


/* =========================================================
   HEADER NAVIGATION — V6 2026-09-08
   Flèches explicites + menu trigramme mobile
   ========================================================= */

#header .nav details.nav-menu > summary::after {
    content: "⌄" !important;
    margin-left: .42rem;
    font-size: .9em;
    font-weight: 600;
    opacity: .78;
    transform: translateY(-.06rem) rotate(0deg);
    transition: transform .18s ease, opacity .18s ease;
}

#header .nav details.nav-menu[open] > summary::after {
    transform: translateY(.02rem) rotate(180deg);
    opacity: 1;
}

#header .mobile-menu-toggle {
    display: none;
    width: 2.75rem;
    height: 2.75rem;
    padding: .65rem;
    border: .0625rem solid rgba(143, 191, 159, .24);
    border-radius: 999px;
    background: rgba(143, 191, 159, .035);
    color: #8fbf9f;
    cursor: pointer;
}

#header .mobile-menu-toggle span {
    display: block;
    width: 100%;
    height: .10rem;
    margin: .28rem 0;
    border-radius: 999px;
    background: currentColor;
    transform-origin: center;
    transition: transform .2s ease, opacity .2s ease;
}

#header .mobile-menu-toggle[aria-expanded="true"] span:nth-child(1) {
    transform: translateY(.38rem) rotate(45deg);
}

#header .mobile-menu-toggle[aria-expanded="true"] span:nth-child(2) {
    opacity: 0;
}

#header .mobile-menu-toggle[aria-expanded="true"] span:nth-child(3) {
    transform: translateY(-.38rem) rotate(-45deg);
}

@media (max-width: 48rem) {
    #header .header-inner {
        display: flex;
        align-items: center;
        justify-content: space-between;
        flex-wrap: wrap;
        gap: .7rem;
    }

    #header .mobile-menu-toggle {
        display: block;
        flex: 0 0 auto;
    }

    #header .nav {
        display: none;
        flex-basis: 100%;
        width: 100%;
        grid-template-columns: 1fr;
        gap: .38rem;
        padding-top: .3rem;
    }

    #header .nav.is-open {
        display: grid;
    }

    #header .nav > a,
    #header .nav details.nav-menu > summary,
    #header .nav .nav-languages {
        width: 100%;
    }

    #header .nav details.nav-menu,
    #header .nav details.nav-menu[open] {
        grid-column: 1;
        width: 100%;
    }

    #header .nav details.nav-menu > summary {
        justify-content: space-between;
        min-height: 2.75rem;
        padding: .68rem .78rem !important;
    }

    #header .nav details.nav-menu > .nav-dropdown,
    #header .nav details.nav-menu > .nav-dropdown.nav-dropdown-right {
        position: static;
        width: 100%;
        min-width: 0;
        margin-top: .3rem;
        border-radius: .9rem;
        box-shadow: none;
    }

    #header .nav-languages {
        display: grid;
        grid-template-columns: 1fr 1fr;
        gap: .4rem;
    }

    #header .nav .nav-support {
        justify-content: center;
    }
}


/* =========================================================
   SOMMAIRES DE PAGE — V10 2026-09-08
   Sommaire dépliable + retour visible aux sections
   ========================================================= */

html {
    scroll-behavior: smooth;
}

.page-toc {
    width: min(100%, 54rem);
    margin: 1.45rem auto 2.6rem;
    border: 1px solid rgba(143, 191, 159, .16);
    border-radius: 1.15rem;
    background: rgba(143, 191, 159, .022);
    box-shadow: 0 .5rem 1.5rem rgba(0, 0, 0, .12);
    overflow: clip;
}

.page-toc__title {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    margin: 0;
    padding: .9rem 1.15rem;
    color: #b8d2c0;
    font-size: .8rem;
    font-weight: 650;
    letter-spacing: .13em;
    text-transform: uppercase;
    cursor: pointer;
    list-style: none;
    user-select: none;
}

.page-toc__title::-webkit-details-marker { display: none; }
.page-toc__title::marker { content: ""; }

.page-toc__title:hover,
.page-toc__title:focus-visible {
    color: #d7eadc;
    background: rgba(143, 191, 159, .035);
}

.page-toc__chevron {
    display: inline-block;
    color: rgba(184, 210, 192, .8);
    font-size: 1rem;
    line-height: 1;
    transition: transform .18s ease;
}

.page-toc[open] .page-toc__chevron {
    transform: rotate(180deg);
}

.page-toc__content {
    padding: .15rem 1.25rem 1.1rem;
    border-top: 1px solid rgba(143, 191, 159, .09);
}

.page-toc__list {
    margin: .75rem 0 0;
    padding: 0;
    list-style: none;
    columns: 2;
    column-gap: 2rem;
}

.page-toc__list li {
    break-inside: avoid;
    margin: 0 0 .34rem;
    line-height: 1.38;
}

.page-toc__list a {
    display: inline-block;
    padding: .14rem 0;
    color: #9eb8a6;
    font-size: .92rem;
    text-decoration: none;
    text-underline-offset: .2em;
    transition: color .16s ease, transform .16s ease;
}

.page-toc__list a::before {
    content: "↳";
    display: inline-block;
    margin-right: .42rem;
    color: rgba(143, 191, 159, .58);
}

.page-toc__list .toc-subitem a {
    padding-left: .8rem;
    font-size: .86rem;
    opacity: .9;
}

.page-toc__list .toc-subitem a::before { content: "·"; }

.page-toc__list a:hover,
.page-toc__list a:focus-visible {
    color: #d7eadc;
    text-decoration: underline;
}

.toc-heading {
    scroll-margin-top: 7.25rem;
}

.heading-back-to-toc {
    display: block;
    width: max-content;
    margin: -.15rem 0 .75rem auto;
    padding: .22rem .55rem;
    border: 1px solid rgba(143, 191, 159, .13);
    border-radius: 999px;
    color: rgba(184, 210, 192, .78) !important;
    background: rgba(143, 191, 159, .025);
    font-size: .72rem;
    font-weight: 600;
    letter-spacing: .04em;
    line-height: 1.2;
    text-decoration: none !important;
    opacity: 1;
    transition: color .16s ease, border-color .16s ease, background-color .16s ease;
}

.heading-back-to-toc:hover,
.heading-back-to-toc:focus-visible {
    color: #e1efe5 !important;
    border-color: rgba(143, 191, 159, .3);
    background: rgba(143, 191, 159, .07);
}

@media (max-width: 48rem) {
    .page-toc {
        margin: 1rem auto 1.9rem;
        border-radius: 1rem;
    }

    .page-toc__title {
        padding: .85rem 1rem;
    }

    .page-toc__content {
        padding: .1rem 1rem .9rem;
    }

    .page-toc__list { columns: 1; }

    .page-toc__list a {
        display: block;
        padding: .28rem 0;
        font-size: .93rem;
    }

    .page-toc__list .toc-subitem a {
        padding-left: .65rem;
        font-size: .88rem;
    }

    .toc-heading { scroll-margin-top: 5.75rem; }

    .heading-back-to-toc {
        margin-top: -.05rem;
        margin-bottom: .65rem;
        font-size: .74rem;
    }
}

@media (prefers-reduced-motion: reduce) {
    html { scroll-behavior: auto; }
    .page-toc__chevron { transition: none; }
}

/*
  À ajouter à la fin de /css/style.css.
  Cette version évite le sélecteur global .img-flux-wrapper img :
  la vignette est une image d’arrière-plan, et non une balise <img>.
*/

.film-flux {
  max-width: 1100px;
  margin: 3rem auto;
  padding: 0 1rem;
}

.film-flux h2 {
  margin: 0 0 1rem;
}

.film-flux__intro {
  position: relative;
  margin: 0 0 2.4rem;
  padding: 1.2rem 1.35rem 1.25rem 1.5rem;
  border: 1px solid rgba(77, 241, 250, .22);
  border-radius: .85rem;
  background: linear-gradient(110deg, rgba(77, 241, 250, .10), rgba(255, 255, 255, .025));
  box-shadow: 0 .65rem 2rem rgba(0, 0, 0, .16);
  color: #e6f5f5;
  font-size: clamp(1.02rem, 2.1vw, 1.22rem);
  line-height: 1.7;
}

.film-flux__intro::before {
  position: absolute;
  top: 1.05rem;
  bottom: 1.05rem;
  left: 0;
  width: 3px;
  border-radius: 0 4px 4px 0;
  background: #4df1fa;
  box-shadow: 0 0 .8rem rgba(77, 241, 250, .55);
  content: "";
}

.film-flux__intro p {
  margin: 0 !important;
  padding: 0;
  color: inherit;
  font-size: inherit !important;
  line-height: inherit !important;
}

.film-flux__duree {
  display: inline-flex;
  align-items: center;
  margin-top: .85rem;
  padding: .32rem .68rem;
  border: 1px solid rgba(143, 191, 159, .55);
  border-radius: 999px;
  background: rgba(143, 191, 159, .11);
  color: #bce7d1;
  font-size: .78em;
  font-weight: 700;
  letter-spacing: .035em;
  line-height: 1.2;
}

.film-flux__lecteur {
  position: relative;
  overflow: hidden;
  aspect-ratio: 16 / 9;
  border-radius: 12px;
  background: #030b16;
  box-shadow: 0 12px 36px rgba(0, 0, 0, .22);
}

/* Rend l’attribut HTML hidden prioritaire sur tout autre display. */
.film-flux__vignette[hidden],
.film-flux__video[hidden] {
  display: none !important;
}

.film-flux__vignette,
.film-flux__video {
  display: block;
  width: 100%;
  height: 100%;
}

/*
  La vignette est volontairement un background CSS.
  Elle ne peut donc pas être prise par le zoom du site qui cible .img-flux-wrapper img.
*/
.film-flux__vignette {
  position: relative;
  padding: 0;
  border: 0;
  background-color: #030b16;
  background-image: linear-gradient(rgba(2, 15, 30, .05), rgba(2, 15, 30, .24)), url('/images/Vignette_Le_Testament_du_Vivant.webp');
  background-position: center;
  background-size: cover;
  background-repeat: no-repeat;
  color: #fff;
  cursor: pointer;
}

.film-flux__vignette:hover,
.film-flux__vignette:focus-visible {
  filter: brightness(.86);
}

.film-flux__vignette:focus-visible {
  outline: 3px solid #4df1fa;
  outline-offset: -3px;
}

.film-flux__bouton-play {
  position: absolute;
  top: 50%;
  left: 50%;
  display: grid;
  width: 76px;
  height: 76px;
  place-items: center;
  padding-left: 5px;
  border: 2px solid rgba(255, 255, 255, .9);
  border-radius: 50%;
  background: rgba(2, 15, 30, .72);
  font-size: 31px;
  line-height: 1;
  transform: translate(-50%, -50%);
  transition: background .25s ease;
}

.film-flux__vignette:hover .film-flux__bouton-play,
.film-flux__vignette:focus-visible .film-flux__bouton-play {
  background: #0a7896;
}

.film-flux__appel {
  position: absolute;
  right: 1rem;
  bottom: 1rem;
  padding: .55rem .85rem;
  border-radius: 999px;
  background: rgba(2, 15, 30, .78);
  font: 600 .92rem/1.1 system-ui, sans-serif;
}

.film-flux__description {
  margin: .85rem 0 0;
  line-height: 1.55;
}

.film-flux .credit {
  margin: 2.35rem 0 0 !important;
  color: #7f9b9f;
  font-size: clamp(.75rem, 1.45vw, .9rem) !important;
  font-style: italic;
  letter-spacing: .025em;
  line-height: 1.55 !important;
  text-align: center;
}

.film-flux__sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/* Protection si un ancien wrapper de zoom reste dans la page par erreur. */
.film-flux .img-flux-wrapper.active img {
  transform: none !important;
}

@media (max-width: 560px) {
  .film-flux__bouton-play {
    width: 60px;
    height: 60px;
    font-size: 24px;
  }
}

#seed-slide {
    position: fixed;
    top: 50%;
    left: 50%;
    width: 450px;
    height: 450px;

    /* Invisible au départ */
    opacity: 0;
    transform: translate(-50%, -50%) scale(0.05);

    background: url('https://the-seed.net/images/ChatGPT_Evolution-Mascotte-the-seed-Purgatorius-robot-corneille-TRex-450.webp')
                center/cover no-repeat;

    z-index: 9999;

    /* Disparition douce : durée augmentée */
    transition: opacity 3s ease;
}

#seed-close {
    position: absolute;
    top: 10px;
    left: 50%;
    transform: translateX(-50%);
    font-size: 2rem;
    font-weight: bold;
    color: #ff2b2b;
    cursor: pointer;
}

/* =========================================================
   ANCRE — VIDÉO ENTRER DANS LES FLUX
   ========================================================= */

.ancre-section {
  display: block;
  position: relative;
  top: -85px;
  visibility: hidden;
  pointer-events: none;
}

@media (max-width: 768px) {
  .ancre-section {
    top: -70px;
  }
}

/* =========================================================
   BOUTON — ENTRER DANS LES FLUX
   ========================================================= */

.bouton-flux-wrap {
  display: flex;
  justify-content: center;
  margin: 2.5rem auto;
}

.bouton-flux {
  display: inline-flex;
  align-items: center;
  gap: 0.9rem;

  padding: 0.85rem 1.35rem;

  color: #dff7e7;
  text-decoration: none;

  background:
    linear-gradient(
      135deg,
      rgba(41, 108, 77, 0.22),
      rgba(17, 57, 43, 0.28)
    );

  border: 1px solid rgba(121, 207, 155, 0.42);
  border-radius: 999px;

  box-shadow:
    0 8px 24px rgba(0, 0, 0, 0.18),
    inset 0 0 18px rgba(93, 190, 132, 0.04);

  transition:
    transform 0.25s ease,
    border-color 0.25s ease,
    background 0.25s ease,
    box-shadow 0.25s ease;
}

.bouton-flux:hover,
.bouton-flux:focus-visible {
  transform: translateY(-2px);

  color: #ffffff;

  border-color: rgba(143, 229, 176, 0.75);

  background:
    linear-gradient(
      135deg,
      rgba(53, 132, 94, 0.32),
      rgba(19, 72, 52, 0.36)
    );

  box-shadow:
    0 10px 28px rgba(0, 0, 0, 0.25),
    0 0 20px rgba(102, 207, 145, 0.08);
}

.bouton-flux__icone {
  display: grid;
  place-items: center;

  width: 2.15rem;
  height: 2.15rem;
  flex: 0 0 2.15rem;

  padding-left: 0.12rem;

  color: #d9f9e5;
  font-size: 0.8rem;

  border: 1px solid rgba(151, 225, 179, 0.48);
  border-radius: 50%;

  background: rgba(72, 149, 105, 0.17);
}

.bouton-flux strong,
.bouton-flux small {
  display: block;
}

.bouton-flux strong {
  font-size: 0.96rem;
  font-weight: 600;
  letter-spacing: 0.02em;
}

.bouton-flux small {
  margin-top: 0.12rem;
  color: rgba(218, 239, 225, 0.72);
  font-size: 0.72rem;
  font-weight: 400;
}

@media (max-width: 600px) {
  .bouton-flux {
    padding: 0.75rem 1rem;
    gap: 0.7rem;
  }

  .bouton-flux strong {
    font-size: 0.88rem;
  }

  .bouton-flux small {
    font-size: 0.68rem;
  }
}