/* ==========================================================================
   AITAD 2027 — 3e Assises Internationales des Territoires d'Activités Durables
   Feuille de style principale (Bootstrap 5 + Font Awesome 6 + jQuery)
   ========================================================================== */

/* ---------- 1. Charte graphique ---------- */
:root {
  --sable:        #FFF1D8;   /* fond principal */
  --sable-fonce:  #F6E2BE;
  --violet:       #4D3082;   /* violet AITAD */
  --violet-fonce: #321C5C;
  --turquoise:    #35ABA9;
  --vert:         #BCC729;   /* vert anis */
  --encre:        #2A1F3D;   /* texte courant */
  --blanc:        #FFFFFF;

  --degrade: linear-gradient(90deg, var(--violet) 0%, var(--turquoise) 55%, var(--vert) 100%);
  --degrade-diag: linear-gradient(135deg, var(--violet) 0%, var(--turquoise) 60%, var(--vert) 100%);
  --degrade-vertical: linear-gradient(0deg, var(--violet) 0%, var(--turquoise) 55%, var(--vert) 100%); /* lignes verticales (timeline) */

  --font: "Lexend", "Segoe UI", system-ui, sans-serif;          /* texte courant */
  --font-titre: "Nunito", "Segoe UI Rounded", system-ui, sans-serif; /* titres – charte AITAD 2027 */
  --radius-pill: 999px;
  --radius: 1.25rem;
  --header-h: 84px;

  /* Surcharges Bootstrap */
  --bs-body-bg: var(--sable);
  --bs-body-color: var(--encre);
  --bs-body-font-family: var(--font);
  --bs-link-color: var(--violet);
  --bs-link-color-rgb: 77, 48, 130;
  --bs-link-hover-color: var(--turquoise);
  --bs-primary: var(--violet);
  --bs-primary-rgb: 77, 48, 130;
}

html { scroll-behavior: smooth; scroll-padding-top: var(--header-h); }
body { background: var(--sable); color: var(--encre); font-family: var(--font); font-weight: 300; }
h1, h2, h3, h4, h5, h6 { font-family: var(--font-titre); font-weight: 800; color: var(--violet); letter-spacing: .01em; }
strong, b { font-weight: 600; }
::selection { background: var(--turquoise); color: #fff; }

.text-violet    { color: var(--violet) !important; }
.text-turquoise { color: var(--turquoise) !important; }
.text-vert      { color: var(--vert) !important; }
.bg-sable       { background: var(--sable) !important; }
.bg-sable-fonce { background: var(--sable-fonce) !important; }
.bg-violet      { background: var(--violet) !important; color: #fff; }
.text-degrade {
  background: var(--degrade); -webkit-background-clip: text; background-clip: text;
  color: transparent;
}

/* ---------- 2. Boutons ---------- */
.btn-aitad, .btn-aitad-outline {
  white-space: nowrap; border-radius: var(--radius-pill); font-weight: 500; padding: .7rem 1.6rem;
  letter-spacing: .04em; text-transform: uppercase; font-size: .9rem; transition: all .25s ease;
}
.btn-aitad { background: var(--degrade); background-size: 200% 100%; color: #fff; border: 0; }
.btn-aitad:hover, .btn-aitad:focus { background-position: 100% 0; color: #fff; transform: translateY(-2px);
  box-shadow: 0 10px 25px -10px rgba(77, 48, 130, .6); }
.btn-aitad-outline { border: 2px solid currentColor; color: var(--violet); background: transparent; }
.btn-aitad-outline:hover { background: var(--violet); border-color: var(--violet); color: #fff; }
.btn-aitad-outline.light { color: #fff; }
.btn-aitad-outline.light:hover { background: #fff; color: var(--violet); border-color: #fff; }

/* ---------- 3. En-tête ---------- */
.site-header {
  position: fixed; inset: 0 0 auto 0; z-index: 1030; height: var(--header-h);
  display: flex; align-items: center; transition: background .35s ease, box-shadow .35s ease, height .35s ease;
}
.site-header .navbar { width: 100%; padding: 0; }
.site-header .brand { display: flex; align-items: center; gap: .6rem; text-decoration: none; }
.brand-text { font-weight: 700; font-size: 1.6rem; letter-spacing: .02em; line-height: 1; }
.brand-text small { display: block; white-space: nowrap; margin-top: .2rem; font-size: .7rem; font-weight: 400; letter-spacing: .12em; }

.site-header .nav-link {
  font-weight: 500; font-size: .88rem; padding: .5rem .65rem !important; white-space: nowrap; position: relative; color: var(--violet);
}
.site-header .nav-link::after {
  content: ""; position: absolute; left: .8rem; right: .8rem; bottom: .2rem; height: 3px;
  border-radius: 3px; background: var(--degrade); transform: scaleX(0); transform-origin: left; transition: transform .25s;
}
.site-header .nav-link:hover::after, .site-header .nav-link.active::after { transform: scaleX(1); }

/* état transparent au-dessus de la vidéo (page d'accueil) */
.has-hero .site-header:not(.is-scrolled) .nav-link,
.has-hero .site-header:not(.is-scrolled) .brand-text,
.has-hero .site-header:not(.is-scrolled) .navbar-toggler { color: #fff; }
.has-hero .site-header:not(.is-scrolled) .navbar-toggler { border-color: rgba(255,255,255,.6); }
.has-hero .site-header:not(.is-scrolled) .brand-text small { color: rgba(255,255,255,.85); }

/* état opaque (au scroll, ou pages intérieures) */
/* Le fond flouté est porté par ::before : un backdrop-filter sur le header lui-même
   enfermerait le menu latéral (position fixed) dans la hauteur du header. */
.site-header::before {
  content: ""; position: absolute; inset: 0; z-index: -1; opacity: 0; transition: opacity .35s ease;
  background: rgba(255, 241, 216, .94); backdrop-filter: blur(10px); -webkit-backdrop-filter: blur(10px);
  box-shadow: 0 6px 24px -14px rgba(50, 28, 92, .45);
}
.site-header.is-scrolled::before, body:not(.has-hero) .site-header::before { opacity: 1; }
.site-header.is-scrolled, body:not(.has-hero) .site-header { height: 70px; }
.site-header .navbar-toggler { border: 2px solid var(--violet); color: var(--violet); border-radius: .75rem; padding: .35rem .6rem; }
.site-header .navbar-toggler:focus { box-shadow: none; }




/* ---------- 4. Hero vidéo plein écran ---------- */
.hero {
  position: relative; height: 100vh; height: 100svh; min-height: 560px; overflow: hidden;
  color: #fff; display: flex; align-items: center; justify-content: center; text-align: center;
  background: var(--degrade-diag);  /* fallback si pas de vidéo */
}
.hero__video { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; z-index: 0; }
.hero__overlay {
  position: absolute; inset: 0; z-index: 1;
  backdrop-filter: blur(3px);
  -webkit-backdrop-filter: blur(3px);
  background:
    linear-gradient(180deg, rgba(50, 28, 92, .65) 0%, rgba(255, 241, 216, .25) 40%, rgba(50, 28, 92, .65) 100%),
    linear-gradient(90deg, rgba(77, 48, 130, .25), rgba(46, 169, 165, .1), rgba(184, 200, 44, .15));
}
.hero__content { position: relative; z-index: 2; padding: var(--header-h) 1rem 4rem; max-width: 1100px; }
.hero__kicker {
  display: inline-block; font-weight: 600; letter-spacing: .3em; text-transform: uppercase;
  font-size: clamp(.8rem, 1.4vw, 1.05rem); padding: .45rem 1.2rem; border-radius: var(--radius-pill);
  background: rgba(255, 255, 255, .14); border: 1px solid rgba(255, 255, 255, .35); backdrop-filter: blur(6px);
}
.hero__logo { width: min(520px, 80vw); height: auto; margin: 1.5rem auto 1rem; display: block;
  filter: drop-shadow(0 10px 30px rgba(0,0,0,.25)); }
.hero__logo-text { font-size: clamp(4rem, 13vw, 9rem); font-weight: 700; line-height: .9; margin: 1.2rem 0 .6rem; letter-spacing: .02em; }
.hero__title { color: #fff; font-weight: 500; font-size: clamp(1rem, 2.2vw, 1.5rem); letter-spacing: .08em; text-transform: uppercase; }
.hero__date {
  display: inline-flex; align-items: center; gap: .75rem; flex-wrap: wrap; justify-content: center;
  margin: 1.25rem 0 2rem; font-weight: 600; font-size: clamp(1.05rem, 2.2vw, 1.5rem);
}
.hero__date .sep { width: 6px; height: 6px; border-radius: 50%; background: var(--vert); }
.hero__date .lieu { background: var(--violet); padding: .25rem 1rem; border-radius: var(--radius-pill); letter-spacing: .06em; }

.badge-30ans {
  position: absolute; z-index: 3; top: calc(var(--header-h) + 1.5rem); left: clamp(1rem, 4vw, 3rem);
  width: clamp(96px, 11vw, 150px); aspect-ratio: 1; border-radius: 50%; background: var(--violet);
  color: #fff; display: flex; flex-direction: column; align-items: center; justify-content: center;
  text-align: center; text-transform: uppercase; font-weight: 600; line-height: 1.05;
  font-size: clamp(.5rem, .8vw, .72rem); box-shadow: 0 12px 30px -10px rgba(0,0,0,.45);
  transform: rotate(-8deg);
}
.badge-30ans .num { font-size: clamp(2rem, 4vw, 3.4rem); font-weight: 700; line-height: .95; }

.hero__controls { position: absolute; z-index: 3; right: 1.25rem; bottom: 1.25rem; }
.hero__controls button {
  width: 44px; height: 44px; border-radius: 50%; border: 1px solid rgba(255,255,255,.5);
  background: rgba(255,255,255,.12); color: #fff; backdrop-filter: blur(6px);
}
.hero__controls button:hover { background: rgba(255,255,255,.3); }

.scroll-indicator {
  position: absolute; z-index: 3; left: 50%; bottom: 1.5rem; transform: translateX(-50%);
  color: #fff; text-decoration: none; display: flex; flex-direction: column; align-items: center;
  gap: .4rem; font-size: .72rem; letter-spacing: .25em; text-transform: uppercase;
}
.scroll-indicator .mouse { width: 26px; height: 42px; border: 2px solid #fff; border-radius: 14px; position: relative; }
.scroll-indicator .mouse::before {
  content: ""; position: absolute; left: 50%; top: 7px; width: 4px; height: 8px; margin-left: -2px;
  border-radius: 2px; background: #fff; animation: molette 1.8s infinite;
}
@keyframes molette { 0% { opacity: 1; transform: translateY(0); } 80% { opacity: 0; transform: translateY(14px); } 100% { opacity: 0; } }
.scroll-indicator:hover { color: var(--vert); }

/* ---------- 5. Sections ---------- */
.section { padding: clamp(4rem, 8vw, 7rem) 0; position: relative; }
.section-title { font-size: clamp(1.8rem, 3.5vw, 2.6rem); margin-bottom: .75rem; }
.section-title::after {
  content: ""; display: block; width: 72px; height: 5px; border-radius: 5px; background: var(--degrade); margin-top: .9rem;
}
.text-center .section-title::after, .section-title.text-center::after { margin-left: auto; margin-right: auto; }
.section-lead { font-size: 1.1rem; max-width: 760px; }

/* Bandeau titre (pilule blanche comme sur le visuel) */
.pill-titre {
  background: #fff; border-radius: var(--radius-pill); padding: 1.25rem 2.5rem;
  display: inline-flex; align-items: center; gap: 1rem; box-shadow: 0 20px 40px -25px rgba(50,28,92,.35);
}
.pill-titre .rang { font-size: clamp(3rem, 6vw, 4.5rem); font-weight: 700; line-height: 1; }
.pill-titre .rang sup { font-size: .35em; color: var(--violet); top: -1.3em; }
.pill-titre .l1 { color: var(--violet); font-weight: 600; font-size: clamp(1rem, 2.2vw, 1.55rem); letter-spacing: .08em; text-transform: uppercase; line-height: 1.15; }
.pill-titre .l2 { font-weight: 600; font-size: clamp(1rem, 2.2vw, 1.55rem); letter-spacing: .08em; text-transform: uppercase; line-height: 1.15; }

/* Bandeau thème dégradé */
.bandeau-theme {
  background: var(--degrade); color: #fff; border-radius: 2.5rem; padding: 1.5rem 2rem; text-align: center;
  box-shadow: 0 25px 50px -30px rgba(50,28,92,.6);
}
.bandeau-theme .theme { font-style: italic; font-weight: 500; font-size: clamp(1.15rem, 2.6vw, 2rem); text-transform: uppercase; margin: 0; color: #fff; }
.bandeau-theme .axes { font-style: italic; font-size: clamp(.95rem, 1.8vw, 1.35rem); margin: .4rem 0 0; text-transform: uppercase; letter-spacing: .04em; }

/* Partenaire d'accueil */
.partenaire-hote { text-align: center; }
.partenaire-hote .label { font-weight: 600; letter-spacing: .14em; text-transform: uppercase; font-size: .85rem; color: var(--violet); }
.partenaire-hote .logo-box {
  display: inline-flex; align-items: center; justify-content: center; background: #fff; border-radius: 1.5rem;
  padding: 1.25rem 2rem; margin-top: .75rem; min-width: 260px; min-height: 120px;
  box-shadow: 0 15px 35px -25px rgba(50,28,92,.45); transition: transform .25s;
}
.partenaire-hote .logo-box:hover { transform: translateY(-4px); }
.partenaire-hote .logo-box img { max-height: 110px; width: auto; }

/* Formats */
.formats { display: flex; flex-wrap: wrap; justify-content: center; gap: 1rem; }
.format {
  flex: 1 1 170px; max-width: 210px; background: #fff; border-radius: var(--radius); padding: 1.75rem 1rem;
  text-align: center; transition: transform .25s, box-shadow .25s; position: relative; overflow: hidden;
}
.format::before { content: ""; position: absolute; inset: 0 0 auto 0; height: 5px; background: var(--degrade); }
.format:hover { transform: translateY(-6px); box-shadow: 0 20px 40px -25px rgba(50,28,92,.5); }
.format i { font-size: 2rem; margin-bottom: .75rem; }
.format:nth-child(3n+1) i { color: var(--violet); }
.format:nth-child(3n+2) i { color: var(--turquoise); }
.format:nth-child(3n+3) i { color: var(--vert); }
.format h3 { font-size: 1rem; margin: 0; }

/* Compte à rebours */
.countdown-wrap { background: var(--violet); color: #fff; position: relative; overflow: hidden; }
.countdown-wrap::before, .countdown-wrap::after {
  content: ""; position: absolute; border-radius: 50%; filter: blur(60px); opacity: .5;
}
.countdown-wrap::before { width: 420px; height: 420px; background: var(--turquoise); top: -200px; right: -120px; }
.countdown-wrap::after  { width: 360px; height: 360px; background: var(--vert); bottom: -220px; left: -100px; opacity: .35; }
.countdown-wrap > .container { position: relative; z-index: 1; }
.countdown { display: flex; justify-content: center; gap: clamp(.5rem, 2vw, 1.5rem); flex-wrap: wrap; }
.countdown .unit {
  min-width: clamp(78px, 14vw, 130px); padding: 1rem .5rem; border-radius: var(--radius);
  background: rgba(255,255,255,.08); border: 1px solid rgba(255,255,255,.18); text-align: center;
}
.countdown .val { display: block; font-size: clamp(2rem, 5vw, 3.6rem); font-weight: 700; line-height: 1; font-variant-numeric: tabular-nums; }
.countdown .lbl { display: block; font-size: .72rem; letter-spacing: .2em; text-transform: uppercase; margin-top: .4rem; color: var(--vert); }

/* Cartes génériques */
.card-aitad {
  background: #fff; border: 0; border-radius: var(--radius); padding: 1.75rem; height: 100%;
  box-shadow: 0 15px 35px -28px rgba(50,28,92,.55); transition: transform .25s, box-shadow .25s;
}
.card-aitad:hover { transform: translateY(-4px); box-shadow: 0 25px 45px -28px rgba(50,28,92,.6); }
.icone-ronde {
  width: 58px; height: 58px; border-radius: 50%; display: inline-flex; align-items: center; justify-content: center;
  background: var(--degrade-diag); color: #fff; font-size: 1.35rem; margin-bottom: 1rem;
}

/* Axes (Énergie / Gouvernance / Requalification) */
.axe { border-radius: var(--radius); padding: 2rem; color: #fff; height: 100%; position: relative; overflow: hidden; }
.axe { padding: 2rem 2rem 1.75rem; }
.axe h3 { color: #fff; font-size: clamp(1.45rem, 2.1vw, 1.9rem); font-weight: 900; text-transform: uppercase; letter-spacing: .04em; margin-bottom: .6rem; }
.axe h3, .axe p { position: relative; z-index: 1; }
.axe p { font-size: .95rem; max-width: 30ch; }
/* icône de l'axe en filigrane */
.axe .axe__filigrane {
  position: absolute; right: 1.25rem; top: 50%; z-index: 0; pointer-events: none;
  font-size: clamp(5.5rem, 7.5vw, 7.5rem); line-height: 1; color: #fff; opacity: .16;
  transform: translateY(-50%) rotate(-12deg); transition: transform .6s cubic-bezier(.22,.61,.36,1), opacity .6s;
}
.axe:hover .axe__filigrane { transform: translateY(-50%) rotate(0deg) scale(1.1); opacity: .24; }
.axe--energie        { background: var(--violet); }
.axe--gouvernance    { background: var(--turquoise); }
.axe--requalification{ background: #8FA01E; }

/* Intervenants */
.intervenant { text-align: center; }
.intervenant .photo {
  width: 150px; height: 150px; border-radius: 50%; margin: 0 auto 1rem; overflow: hidden; position: relative;
  background: var(--sable-fonce); display: flex; align-items: center; justify-content: center;
  padding: 4px; background-image: var(--degrade-diag);
}
.intervenant .photo img, .intervenant .photo .placeholder {
  width: 100%; height: 100%; border-radius: 50%; object-fit: cover; background: var(--sable-fonce);
}
.intervenant .photo .placeholder { display: flex; align-items: center; justify-content: center; font-size: 2.6rem; color: var(--violet); opacity: .8; }
.intervenant h3 { font-size: 1rem; margin-bottom: .2rem; text-transform: uppercase; }
.intervenant p { font-size: .88rem; margin: 0; }
.intervenant .fonction { color: var(--turquoise); font-weight: 500; }

/* Partenaires */
.logos-partenaires { display: flex; flex-wrap: wrap; justify-content: center; gap: 1.25rem; }
.logo-partenaire {
  width: 200px; height: 120px; background: #fff; border-radius: 1rem; display: flex; align-items: center; justify-content: center;
  padding: 1rem; transition: transform .25s, box-shadow .25s; color: #9a8f80; font-weight: 500; text-decoration: none;
}
.logo-partenaire img { max-width: 100%; max-height: 100%; transition: transform .3s; }
.logo-partenaire:hover { transform: translateY(-4px); box-shadow: 0 18px 35px -25px rgba(50,28,92,.55); }
.logo-partenaire:hover img { transform: scale(1.04); }
.niveau-partenaire { font-size: .85rem; letter-spacing: .2em; text-transform: uppercase; color: var(--turquoise); font-weight: 600; }

/* Galerie (activée après l'événement) */
.galerie { columns: 4 240px; column-gap: 1rem; }
.galerie a { display: block; margin-bottom: 1rem; border-radius: 1rem; overflow: hidden; break-inside: avoid; }
.galerie img { width: 100%; display: block; transition: transform .4s; }
.galerie a:hover img { transform: scale(1.05); }

/* ---------- 6. Pages intérieures ---------- */
.page-header {
  padding: calc(var(--header-h) + 4rem) 0 4rem; position: relative; overflow: hidden; color: #fff;
  background: var(--degrade-diag);
}
.page-header::after {
  content: ""; position: absolute; right: -6%; top: -30%; width: 45%; aspect-ratio: 1; border-radius: 50%;
  border: 50px solid rgba(255,255,255,.08);
}
.page-header h1 { color: #fff; font-size: clamp(2rem, 5vw, 3.4rem); }
.page-header .breadcrumb { --bs-breadcrumb-divider-color: rgba(255,255,255,.7); --bs-breadcrumb-item-active-color: #fff; margin: 0; }
.page-header .breadcrumb a { color: rgba(255,255,255,.85); text-decoration: none; }
.page-header .meta { font-weight: 500; letter-spacing: .08em; text-transform: uppercase; font-size: .85rem; opacity: .9; }

/* Programme */
.nav-jours { gap: .75rem; }
.nav-jours .nav-link {
  border-radius: var(--radius-pill); background: #fff; color: var(--violet); font-weight: 600; padding: .8rem 1.8rem;
}
.nav-jours .nav-link.active { background: var(--degrade); color: #fff; }
.timeline { position: relative; padding-left: 2rem; }
.timeline::before { content: ""; position: absolute; left: .55rem; top: .5rem; bottom: .5rem; width: 3px; background: var(--degrade-vertical); border-radius: 3px; }
.slot { position: relative; background: #fff; border-radius: var(--radius); padding: 1.25rem 1.5rem; margin-bottom: 1rem; }
.slot::before {
  content: ""; position: absolute; left: -1.95rem; top: 1.5rem; width: 16px; height: 16px; border-radius: 50%;
  background: var(--sable); border: 4px solid var(--turquoise);
}
.slot .heure { font-weight: 700; color: var(--turquoise); font-size: .95rem; }
.slot h3 { font-size: 1.1rem; margin: .25rem 0 .4rem; }
.tag { display: inline-block; font-size: .72rem; font-weight: 600; text-transform: uppercase; letter-spacing: .08em; padding: .2rem .7rem; border-radius: var(--radius-pill); margin-right: .3rem; }
.tag-energie { background: rgba(77,48,130,.12); color: var(--violet); }
.tag-gouvernance { background: rgba(53,171,169,.15); color: #1d7a77; }
.tag-requalification { background: rgba(188,199,41,.22); color: #5d6a0e; }
.tag-temps-fort { background: var(--violet); color: #fff; }
.slot.pause { background: transparent; border: 2px dashed rgba(77,48,130,.2); }

/* Formulaires */
.form-aitad .form-control, .form-aitad .form-select {
  border-radius: .85rem; border: 2px solid transparent; background: #fff; padding: .8rem 1rem;
}
.form-aitad .form-control:focus, .form-aitad .form-select:focus { border-color: var(--turquoise); box-shadow: 0 0 0 .2rem rgba(53,171,169,.15); }
.form-aitad label { font-weight: 500; font-size: .9rem; margin-bottom: .35rem; color: var(--violet); }
.form-check-input:checked { background-color: var(--turquoise); border-color: var(--turquoise); }

/* Tarifs */
.tarif { text-align: center; }
.tarif .prix { font-size: 2.6rem; font-weight: 700; color: var(--violet); line-height: 1; }
.tarif .prix small { font-size: .9rem; font-weight: 400; color: var(--encre); }
.tarif.mise-en-avant { background: var(--violet); color: #fff; }
.tarif.mise-en-avant h3, .tarif.mise-en-avant .prix, .tarif.mise-en-avant .prix small { color: #fff; }
.tarif ul { list-style: none; padding: 0; text-align: left; margin: 1.5rem 0; }
.tarif li { padding: .35rem 0; }
.tarif li i { color: var(--turquoise); margin-right: .5rem; }
.tarif.mise-en-avant li i { color: var(--vert); }

/* Accordéon */
.accordion-aitad .accordion-item { border: 0; border-radius: 1rem !important; overflow: hidden; margin-bottom: .75rem; }
.accordion-aitad .accordion-button { font-weight: 600; color: var(--violet); }
.accordion-aitad .accordion-button:not(.collapsed) { background: #fff; box-shadow: none; color: var(--turquoise); }
.accordion-aitad .accordion-button:focus { box-shadow: none; }

/* Carte */
.carte-embed { border-radius: var(--radius); overflow: hidden; height: 100%; min-height: 360px; }
.carte-embed iframe { width: 100%; height: 100%; min-height: 360px; border: 0; }

/* ---------- 7. Pied de page ---------- */
.site-footer { background: var(--violet-fonce); color: rgba(255,255,255,.8); padding: 4rem 0 0; position: relative; }
.site-footer::before { content: ""; position: absolute; top: 0; left: 0; right: 0; height: 6px; background: var(--degrade); }
.site-footer h4 { color: #fff; font-size: .9rem; letter-spacing: .15em; text-transform: uppercase; margin-bottom: 1.2rem; }
.site-footer a { color: rgba(255,255,255,.8); text-decoration: none; }
.site-footer a:hover { color: var(--vert); }
.site-footer ul { list-style: none; padding: 0; }
.site-footer li { padding: .2rem 0; font-size: .92rem; }
.reseaux a {
  width: 40px; height: 40px; border-radius: 50%; display: inline-flex; align-items: center; justify-content: center;
  border: 1px solid rgba(255,255,255,.3); margin-right: .4rem; transition: all .25s;
}
.reseaux a:hover { background: var(--turquoise); border-color: var(--turquoise); color: #fff; }
.footer-bottom { border-top: 1px solid rgba(255,255,255,.12); margin-top: 3rem; padding: 1.25rem 0; font-size: .82rem; }

/* Bouton retour haut */
.back-to-top {
  position: fixed; right: 1.25rem; bottom: 1.25rem; z-index: 1020; width: 48px; height: 48px; border-radius: 50%;
  border: 0; background: var(--degrade-diag); color: #fff; opacity: 0; visibility: hidden; transform: translateY(10px);
  transition: all .3s; box-shadow: 0 10px 25px -10px rgba(50,28,92,.6);
}
.back-to-top.show { opacity: 1; visibility: visible; transform: none; }

/* ---------- 8. Animations au scroll ---------- */
/* Éléments .reveal : invisibles jusqu'à leur entrée à l'écran, puis animés par animate.css
   (nom de l'animation dans data-animate, décalage dans data-delay, voir aitad.js §3) */
:root { --animate-duration: .8s; }
.reveal { opacity: 0; }
.reveal.animate__animated, .reveal.is-visible { opacity: 1; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .reveal { opacity: 1; }
  .scroll-indicator .mouse::before { animation: none; }
}

@media (max-width: 767.98px) {
  .pill-titre { border-radius: 2rem; padding: 1rem 1.25rem; }
  .badge-30ans { top: auto; bottom: 5.5rem; left: 1rem; }
  .hero__controls { bottom: 1rem; right: 1rem; }
}
.site-footer .brand-text small { white-space: normal; line-height: 1.4; }
.brand-text small { color: var(--violet); }
@media (max-width: 575.98px) {
  .countdown { gap: .4rem; flex-wrap: nowrap; }
  .countdown .unit { min-width: 0; flex: 1; padding: .8rem .2rem; }
  .countdown .lbl { font-size: .58rem; letter-spacing: .1em; }
  .brand-text small { display: none; }
}

/* ---------- 9. Typographie de titrage (Nunito) ---------- */
.brand-text, .hero__kicker, .hero__logo-text, .hero__title, .hero__date, .badge-30ans,
.pill-titre, .bandeau-theme, .partenaire-hote .label, .countdown .val, .countdown .lbl,
.btn-aitad, .btn-aitad-outline, .site-header .nav-link, .nav-jours .nav-link, .tag,
.slot .heure, .niveau-partenaire, .tarif .prix, .site-footer h4, .accordion-aitad .accordion-button,
.page-header .meta { font-family: var(--font-titre); }
.btn-aitad, .btn-aitad-outline { font-weight: 800; }
.site-header .nav-link { font-weight: 700; font-size: .92rem; }
.hero__kicker, .hero__title, .hero__date { font-weight: 800; }
.hero__logo-text { font-weight: 900; }
.pill-titre .l1, .pill-titre .l2 { font-weight: 800; }
.pill-titre .rang { font-weight: 900; }
.bandeau-theme .theme { font-weight: 800; }
.bandeau-theme .axes { font-weight: 700; }
.badge-30ans { font-weight: 800; }
.badge-30ans .num, .countdown .val, .tarif .prix { font-weight: 900; }
.brand-text { font-weight: 900; }
.brand-text small { font-weight: 700; }
.hero__title sup { text-transform: none; }

/* ---------- 10. Titre vectoriel AITAD dans le hero ---------- */
.hero { min-height: 640px; }
.hero__content { display: flex; flex-direction: column; align-items: center; gap: clamp(1rem, 2.5vh, 1.75rem); }
.hero__titre { display: block; width: min(820px, 78vw); height: auto; max-height: 30vh; max-height: 30svh; margin: 0 auto; }
.pill-titre--hero { padding: .75rem 1.75rem; gap: .75rem; }
.pill-titre--hero .rang { font-size: clamp(2.2rem, 4vw, 3.2rem); }
.pill-titre--hero .l1, .pill-titre--hero .l2 { font-size: clamp(.8rem, 1.5vw, 1.15rem); }

/* Logo du header : blanc sur la vidéo, couleur ailleurs */
.brand-logo { height: 40px; width: auto; transition: height .3s; }
.brand-logo--blanc { display: none; }
.has-hero .site-header:not(.is-scrolled) .brand-logo--couleur { display: none; }
.has-hero .site-header:not(.is-scrolled) .brand-logo--blanc { display: block; }
.site-header.is-scrolled .brand-logo { height: 34px; }
.brand .brand-text small { font-size: .7rem; letter-spacing: .04em; line-height: 1.25; text-transform: uppercase; }
.footer-titre { width: 100%; max-width: 300px; height: auto; display: block; }

@media (max-width: 767.98px) {
  .hero__titre { width: 100%; }
  .pill-titre--hero { border-radius: 1.5rem; }
}
@media (max-height: 760px) and (min-width: 768px) {
  .badge-30ans { width: 96px; }
}

/* ---------- 11. Hero : thème + partenaire ---------- */
.hero { height: auto; min-height: 100vh; min-height: 100svh; }
.hero__content { padding-top: calc(var(--header-h) + 1.5rem); padding-bottom: 6rem; }
.hero__titre { width: min(760px, 80vw); max-height: 24vh; max-height: 24svh; filter: drop-shadow(0 8px 24px rgba(20, 10, 40, .35)); }
.bandeau-theme--hero { width: min(1100px, 92vw); padding: .9rem 2rem; border-radius: 2rem; }
.bandeau-theme--hero .theme { font-size: clamp(1rem, 2.1vw, 1.65rem); }
.bandeau-theme--hero .axes { font-size: clamp(.85rem, 1.5vw, 1.15rem); margin-top: .2rem; }
.hero__partenaire { display: flex; flex-direction: column; align-items: center; gap: .5rem; }
.hero__partenaire .label {
  margin: 0; color: #fff; font-family: var(--font-titre); font-weight: 800; letter-spacing: .08em;
  text-transform: uppercase; font-size: clamp(.8rem, 1.3vw, 1rem); text-shadow: 0 2px 10px rgba(0,0,0,.35);
}
.hero__partenaire .logo-box {
  display: inline-flex; background: #fff; border-radius: 1.25rem; padding: .6rem 1.1rem;
  box-shadow: 0 15px 35px -20px rgba(0,0,0,.6); transition: transform .25s;
}
.hero__partenaire .logo-box:hover { transform: translateY(-3px); }
.hero__partenaire img { height: clamp(56px, 8vh, 84px); width: auto; display: block; }
@media (max-width: 767.98px) {
  .bandeau-theme--hero { padding: .8rem 1.1rem; border-radius: 1.5rem; }
  .hero__content { padding-bottom: 7rem; }
}
@media (max-width: 767.98px) {
  .badge-30ans { top: calc(var(--header-h) + .25rem); bottom: auto; left: auto; right: 1rem; width: 82px; }
  .hero__content { padding-top: calc(var(--header-h) + 6rem); }
}

/* ---------- 12. Carousel intervenants (accueil) ---------- */
.inter-carousel { position: relative; display: flex; align-items: center; justify-content: center; gap: .75rem; }
/* largeur = nombre entier de cartes, calculée par aitad.js §8 (aucune carte coupée) */
.inter-viewport { overflow: hidden; flex: 0 1 auto; min-width: 0; padding: .5rem 0 1rem; }
/* fondu sur les bords (largeur réglable via --inter-fondu) */
.inter-viewport {
  --inter-fondu: 40px;
  -webkit-mask-image: linear-gradient(90deg, transparent 0, #000 var(--inter-fondu), #000 calc(100% - var(--inter-fondu)), transparent 100%);
          mask-image: linear-gradient(90deg, transparent 0, #000 var(--inter-fondu), #000 calc(100% - var(--inter-fondu)), transparent 100%);
}
@media (max-width: 575.98px) { .inter-viewport { --inter-fondu: 24px; } }
.inter-track { display: flex; will-change: transform; }
/* marges (et non gap) : le script décale de outerWidth(true) */
.inter-track > .intervenant { flex: 0 0 auto; width: var(--inter-w, 200px); margin: 0 12px; }
.inter-track .photo { width: 140px; height: 140px; }
.carousel-btn {
  flex: 0 0 auto; width: 48px; height: 48px; border-radius: 50%; border: 2px solid var(--violet);
  background: transparent; color: var(--violet); transition: all .25s; z-index: 2;
}
.carousel-btn:hover { background: var(--violet); color: #fff; }
@media (max-width: 575.98px) {
  .inter-track > .intervenant { margin: 0 8px; }
  .inter-track .photo { width: 110px; height: 110px; }
  .carousel-btn { width: 38px; height: 38px; }
  .inter-carousel { gap: .25rem; }
}
.intervenant .photo img { display: block; }

/* ---------- 13. Programme : deux journées sur la même page ---------- */
.jour + .jour { margin-top: 4rem; }
.jour__titre {
  display: flex; flex-wrap: wrap; align-items: center; gap: .75rem; font-size: clamp(1.4rem, 2.6vw, 1.9rem);
  margin-bottom: 1.75rem;
}
.jour__num {
  background: var(--degrade); color: #fff; border-radius: var(--radius-pill); padding: .3rem 1rem;
  font-size: .8em; letter-spacing: .04em; text-transform: uppercase;
}
.nav-jours a.nav-link:hover { background: var(--violet); color: #fff; }

/* ---------- 14. Reflet lumineux sur le logo du hero ---------- */
.hero__shine { position: relative; display: inline-block; line-height: 0; max-width: 100%; }
.hero__shine .hero__titre { object-fit: contain; }
.hero__shine::after {
  content: ""; position: absolute; inset: 0; pointer-events: none;
  /* bande claire en diagonale */
  background: linear-gradient(110deg, transparent 42%, rgba(255,255,255,.85) 50%, transparent 58%) no-repeat;
  background-size: 250% 100%;
  background-position: 100% 0;
  /* le reflet n'apparaît que sur les formes du logo :
     silhouette du titre intégrée en data-URI (fonctionne aussi en local, sans serveur) */
  --masque-titre: url("data:image/svg+xml,%3Csvg viewBox=%220 0 1087 264%22 version=%221.1%22 xmlns=%22http://www.w3.org/2000/svg%22 xmlns:xlink=%22http://www.w3.org/1999/xlink%22 xml:space=%22preserve%22 style=%22fill-rule:evenodd;clip-rule:evenodd;stroke-linejoin:round;stroke-miterlimit:2;%22%3E%3Cg transform=%22matrix(0.303852,0,0,0.215467,616.500451,-102.487666)%22%3E%3Cpath d=%22M1495.432,1546.779C1524.242,1546.779 1547.631,1579.763 1547.631,1620.389C1547.631,1661.016 1524.242,1694 1495.432,1694L477.074,1694C448.265,1694 424.876,1661.016 424.876,1620.389C424.876,1579.763 448.265,1546.779 477.074,1546.779L1495.432,1546.779Z%22 style=%22fill:%23000;%22/%3E%3C/g%3E%3Cg transform=%22matrix(0.658877,0,0,0.658877,-148.333763,-114.427446)%22%3E%3Cg transform=%22matrix(0,2.83128,-1.019515,0,1467.337927,-1484.877465)%22%3E%3Cpath d=%22M715.394,644C721.799,644 727,658.443 727,676.232C727,694.021 721.799,708.463 715.394,708.463L603.606,708.463C597.201,708.463 592,694.021 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style=%22fill:%23000;%22/%3E%3C/g%3E%3C/svg%3E");
  -webkit-mask: var(--masque-titre) center / contain no-repeat;
          mask: var(--masque-titre) center / contain no-repeat;
  animation: aitad-reflet 6s ease-in-out 1.5s infinite;
}
/* passage du reflet en ~1,4 s, puis pause jusqu'au cycle suivant (durée totale : 6 s) */
@keyframes aitad-reflet {
  0%        { background-position: 100% 0; }
  24%, 100% { background-position: 0% 0; }
}
/* Survol : la boucle automatique s'arrête et le reflet passe une seule fois.
   En quittant le logo, la boucle automatique reprend (changer de nom d'animation la relance). */
.hero__shine:hover::after { animation: aitad-reflet-survol 1.2s ease-in-out 1 forwards; }
@keyframes aitad-reflet-survol {
  from { background-position: 100% 0; }
  to   { background-position: 0% 0; }
}
@media (prefers-reduced-motion: reduce) {
  .hero__shine::after { animation: none; display: none; }
}

/* ---------- 15. Effet de profondeur (vidéo pilotée par la souris, voir aitad.js §10) ---------- */
.hero__video { will-change: transform; transform: scale(1.06); }
@media (prefers-reduced-motion: reduce) { .hero__video { transform: none; } }

/* ---------- 16. Navigation : logo PALME + menu latéral mobile ---------- */
.site-header .brand-logo { height: 46px; width: auto; }
.site-header.is-scrolled .brand-logo { height: 38px; }
/* négatif provisoire : tant que logo-palme-blanc.svg n'existe pas, tout le logo passe en blanc */
.brand-logo--provisoire { filter: brightness(0) invert(1); }

/* Grand écran : le menu reste une barre horizontale */
@media (min-width: 1400px) {
  .nav-mobile { flex-grow: 1; }
  .nav-mobile .offcanvas-body { flex-grow: 1; align-items: center; }
  .nav-mobile__actions { display: flex; align-items: center; }
}

/* En dessous de 1400 px : panneau plein hauteur qui glisse depuis la droite */
@media (max-width: 1399.98px) {
  .nav-mobile {
    --bs-offcanvas-width: min(380px, 88vw);
    --bs-offcanvas-transition: transform .35s cubic-bezier(.22, .61, .36, 1);
    background: linear-gradient(165deg, var(--violet) 0%, var(--violet-fonce) 70%);
    color: #fff; border-left: 0 !important;
    box-shadow: -20px 0 50px -20px rgba(0, 0, 0, .5);
  }
  .nav-mobile::before {   /* liseré dégradé de la charte */
    content: ""; position: absolute; left: 0; top: 0; bottom: 0; width: 5px;
    background: linear-gradient(180deg, var(--violet), var(--turquoise), var(--vert));
  }
  .nav-mobile .offcanvas-header { padding: 1.25rem 1.25rem 1rem 1.75rem; gap: 1rem; align-items: flex-start; }
  .nav-mobile__titre { width: 70%; max-width: 230px; height: auto; }
  .nav-mobile__fermer {
    flex: 0 0 auto; width: 44px; height: 44px; border-radius: 50%; border: 1px solid rgba(255,255,255,.35);
    background: rgba(255,255,255,.08); color: #fff; font-size: 1.2rem; transition: background .2s;
  }
  .nav-mobile__fermer:hover { background: rgba(255,255,255,.2); }
  .nav-mobile .offcanvas-body { display: flex; flex-direction: column; padding: .5rem 1.25rem 1.5rem 1.75rem; }
  .nav-mobile .navbar-nav { gap: 0; }
  .site-header .nav-mobile .nav-link {
    color: #fff !important; font-size: 1.2rem; font-weight: 800; padding: .85rem 0 !important;
    border-bottom: 1px solid rgba(255,255,255,.1); display: flex; align-items: center; justify-content: space-between;
  }
  .site-header .nav-mobile .nav-link::before {   /* chevron façon menu d'app */
    content: "\f054"; font-family: "Font Awesome 6 Free"; font-weight: 900; font-size: .75rem;
    order: 2; opacity: .45; transition: transform .2s, opacity .2s;
  }
  .site-header .nav-mobile .nav-link:hover::before { opacity: 1; transform: translateX(3px); }
  .site-header .nav-mobile .nav-link::after { left: 0; right: auto; width: 40px; bottom: -1px; }
  .site-header .nav-mobile .nav-link.active { color: var(--vert) !important; }
  .nav-mobile__actions { margin-top: 1.75rem; }
  .nav-mobile__actions .btn { width: 100%; padding: .9rem 1rem; }
  .nav-mobile__pied { margin-top: auto; padding-top: 2rem; display: flex; align-items: center; justify-content: space-between; gap: 1rem; flex-wrap: wrap; }
  .nav-mobile__pied .reseaux a { color: #fff; border-color: rgba(255,255,255,.3); }
  .nav-mobile__palme { color: rgba(255,255,255,.7); font-size: .85rem; text-decoration: none; }
  .nav-mobile__palme:hover { color: var(--vert); }
  .offcanvas-backdrop.show { opacity: .55; }
}
@media (prefers-reduced-motion: reduce) { .nav-mobile { --bs-offcanvas-transition: none; } }

/* ---------- 17. Programme : intervenants des créneaux ---------- */
.slot__tags { display: flex; flex-wrap: wrap; gap: .35rem; }
.slot__tags .tag { margin: 0; }
.tag-format { background: var(--sable); color: var(--violet-fonce); border: 1px solid rgba(77,48,130,.18); }
.tag-format i { margin-right: .35rem; }

.orateurs-bloc { margin-top: 1.1rem; padding-top: 1rem; border-top: 1px dashed rgba(77,48,130,.18); }
.orateurs__titre {
  font-family: var(--font-titre); font-weight: 800; font-size: .75rem; letter-spacing: .14em;
  text-transform: uppercase; color: var(--turquoise); margin: 0 0 .65rem;
}
.orateurs { list-style: none; margin: 0; padding: 0; display: grid; gap: .65rem;
  grid-template-columns: repeat(auto-fill, minmax(230px, 1fr)); }
.orateur {
  display: flex; align-items: flex-start; gap: .75rem; padding: .7rem .8rem; border-radius: 1rem;
  background: #FBF7F0; transition: background .2s, transform .2s;
}
.orateur:hover { background: var(--sable); transform: translateY(-2px); }
.orateur__photo {
  flex: 0 0 auto; width: 58px; height: 58px; border-radius: 50%; padding: 3px; background: var(--degrade-diag);
}
.orateur__photo img, .orateur__photo .placeholder {
  width: 100%; height: 100%; border-radius: 50%; object-fit: cover; display: flex; align-items: center;
  justify-content: center; background: var(--sable-fonce); color: var(--violet); font-size: 1.3rem;
}
.orateur__infos { display: flex; flex-direction: column; min-width: 0; line-height: 1.25; }
.orateur__nom { font-family: var(--font-titre); font-weight: 800; color: var(--violet); font-size: .95rem; text-transform: uppercase; letter-spacing: .02em; }
.orateur__fonction { color: var(--turquoise); font-weight: 500; font-size: .82rem; margin-top: .15rem; }
.orateur__structure { font-size: .82rem; }
.orateur__pays { display: inline-flex; align-items: center; gap: .4rem; font-size: .78rem; color: #6b5f7d; margin-top: .3rem; }
.orateur__pays .fi { width: 1.25em; line-height: .95em; border-radius: 2px; box-shadow: 0 0 0 1px rgba(0,0,0,.08); flex: 0 0 auto; }

/* animateur / animatrice : mis en avant */
.orateur--animation { background: rgba(77,48,130,.08); box-shadow: inset 4px 0 0 var(--violet); }
.orateur--animation:hover { background: rgba(77,48,130,.12); }
.orateur__role {
  align-self: flex-start; display: inline-flex; align-items: center; gap: .35rem; margin-bottom: .3rem;
  font-family: var(--font-titre); font-weight: 800; font-size: .68rem; letter-spacing: .1em; text-transform: uppercase;
  color: #fff; background: var(--degrade); padding: .2rem .6rem; border-radius: var(--radius-pill);
}
@media (max-width: 575.98px) {
  .slot { padding: 1.1rem 1rem; }
  .orateurs { grid-template-columns: 1fr; }
}

/* ---------- 18. Vignettes cliquables + lightbox intervenant (aitad.js §9) ---------- */
.js-bio { cursor: pointer; }
.js-bio:focus-visible { outline: 3px solid var(--turquoise); outline-offset: 4px; border-radius: 1rem; }
.intervenant.js-bio .photo { transition: transform .3s ease, box-shadow .3s ease; }
.intervenant.js-bio:hover .photo { transform: scale(1.05); box-shadow: 0 12px 30px -14px rgba(50,28,92,.55); }
.intervenant.js-bio:hover h3 { color: var(--turquoise); }
.intervenant .pays { display: inline-flex; align-items: center; gap: .4rem; font-size: .8rem; color: #6b5f7d; margin-top: .35rem; }
.intervenant .pays .fi, .bio-modal__pays .fi { width: 1.25em; line-height: .95em; border-radius: 2px; box-shadow: 0 0 0 1px rgba(0,0,0,.08); }

.bio-modal .modal-content { border: 0; border-radius: 1.75rem; overflow: hidden; background: #fff; }
.bio-modal .modal-dialog { max-width: 860px; }
.bio-modal.show .modal-content { animation: bio-entree .45s cubic-bezier(.22,.61,.36,1); }
@keyframes bio-entree { from { opacity: 0; transform: translateY(24px) scale(.97); } to { opacity: 1; transform: none; } }
.bio-modal__fermer {
  position: absolute; top: 1rem; right: 1rem; z-index: 2; width: 44px; height: 44px; border-radius: 50%;
  border: 0; background: var(--sable); color: var(--violet); font-size: 1.15rem; transition: background .2s, transform .2s;
}
.bio-modal__fermer:hover { background: var(--violet); color: #fff; transform: rotate(90deg); }
.bio-modal__grille { display: grid; grid-template-columns: 290px 1fr; min-height: 340px; }
.bio-modal__visuel {
  background: var(--degrade-diag); display: flex; flex-direction: column; align-items: center; justify-content: center;
  gap: 1rem; padding: 2.5rem 1.5rem; position: relative;
}
.bio-modal__photo {
  width: 200px; height: 200px; border-radius: 50%; padding: 6px; background: rgba(255,255,255,.9);
  box-shadow: 0 25px 45px -20px rgba(20,10,40,.6);
}
.bio-modal__photo img, .bio-modal__photo .placeholder {
  width: 100%; height: 100%; border-radius: 50%; object-fit: cover; display: flex; align-items: center; justify-content: center;
  background: var(--sable-fonce); color: var(--violet); font-size: 4rem;
}
.bio-modal__pays {
  display: inline-flex; align-items: center; gap: .5rem; margin: 0; padding: .35rem .9rem; border-radius: var(--radius-pill);
  background: rgba(255,255,255,.92); color: var(--violet-fonce); font-family: var(--font-titre); font-weight: 800; font-size: .85rem;
}
.bio-modal__texte { padding: 2.5rem 2.5rem 2.25rem; }
.bio-modal__nom { font-size: clamp(1.5rem, 3vw, 2rem); font-weight: 900; text-transform: uppercase; margin: 0 3rem .5rem 0; line-height: 1.1; }
.bio-modal__fonction { color: var(--turquoise); font-weight: 600; margin: 0; }
.bio-modal__structure { margin: .15rem 0 0; }
.bio-modal__bio { margin-top: 1.25rem; padding-top: 1.25rem; border-top: 1px solid rgba(77,48,130,.12); }
.bio-modal__bio::before { content: ""; display: block; width: 56px; height: 4px; border-radius: 4px; background: var(--degrade); margin: -1.4rem 0 1.15rem; }
.bio-modal__bio p { margin-bottom: .8rem; }
.bio-modal__bio p:last-child { margin-bottom: 0; }
.bio-modal__vide { font-style: italic; color: #6b5f7d; }
.modal-backdrop.show { opacity: .6; }
@media (max-width: 767.98px) {
  .bio-modal .modal-dialog { margin: .75rem; }
  .bio-modal__grille { grid-template-columns: 1fr; }
  .bio-modal__visuel { padding: 2rem 1rem 1.5rem; }
  .bio-modal__photo { width: 150px; height: 150px; }
  .bio-modal__texte { padding: 1.5rem 1.4rem 1.75rem; }
  .bio-modal__nom { margin-right: 0; }
  .bio-modal__fermer { background: rgba(255,255,255,.9); }
}
@media (prefers-reduced-motion: reduce) { .bio-modal.show .modal-content { animation: none; } }