/* =========================================================
   Julien Jimenez, hub de presence en ligne
   Feuille de style unique, sans dependance externe
   Palette sombre bleutee, cartes en relief, halos discrets
   ========================================================= */

/* ---------- 1. Variables ---------- */
:root {
  --noir: #050810;
  --surface: #0D1425;
  --surface-2: #101A30;
  --bordure: #1B2740;
  --bleu: #2563EB;
  --bleu-clair: #38BDF8;
  --blanc: #F8FAFC;
  --texte-2: #94A3B8;

  --halo-bleu: rgba(37, 99, 235, 0.35);
  --halo-clair: rgba(56, 189, 248, 0.28);

  --police: "Segoe UI", "Inter", -apple-system, BlinkMacSystemFont, Roboto, "Helvetica Neue", Arial, sans-serif;
  --police-mono: "SFMono-Regular", "Consolas", "Liberation Mono", Menlo, monospace;

  --r-xs: 6px;
  --r-sm: 10px;
  --r-md: 16px;
  --r-lg: 24px;
  --r-xl: 34px;

  --e-1: 0.5rem;
  --e-2: 1rem;
  --e-3: 1.5rem;
  --e-4: 2.25rem;
  --e-5: 3.5rem;
  --e-6: 5.5rem;
  --e-7: 8rem;

  --ombre-douce: 0 18px 40px rgba(2, 6, 18, 0.55);
  --ombre-forte: 0 32px 80px rgba(2, 6, 18, 0.72);
  --ombre-bleue: 0 22px 60px rgba(37, 99, 235, 0.22);

  --transition: 280ms cubic-bezier(0.22, 0.61, 0.36, 1);
  --transition-lente: 640ms cubic-bezier(0.22, 0.61, 0.36, 1);

  --largeur: 1220px;
}

/* ---------- 2. Base ---------- */
*,
*::before,
*::after { box-sizing: border-box; }

html {
  scroll-behavior: smooth;
  scroll-padding-top: 96px;
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  background: var(--noir);
  color: var(--blanc);
  font-family: var(--police);
  font-size: clamp(1rem, 0.96rem + 0.2vw, 1.075rem);
  line-height: 1.72;
  font-weight: 400;
  letter-spacing: 0.005em;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

a { color: var(--bleu-clair); text-decoration: none; }
a:hover { color: var(--blanc); }

h1, h2, h3, h4 {
  margin: 0 0 var(--e-2);
  line-height: 1.06;
  letter-spacing: -0.032em;
  font-weight: 700;
  color: var(--blanc);
}

p { margin: 0 0 var(--e-2); }
ul, ol { margin: 0; padding: 0; list-style: none; }

::selection {
  background: var(--bleu);
  color: var(--blanc);
}

:focus-visible {
  outline: 2px solid var(--bleu-clair);
  outline-offset: 3px;
  border-radius: var(--r-xs);
}

.skip-link {
  position: absolute;
  left: 50%;
  top: -120px;
  transform: translateX(-50%);
  z-index: 999;
  background: var(--bleu);
  color: var(--blanc);
  padding: 0.85rem 1.4rem;
  border-radius: 0 0 var(--r-sm) var(--r-sm);
  font-weight: 600;
  transition: top var(--transition);
}
.skip-link:focus { top: 0; color: var(--blanc); }

.conteneur {
  width: min(100% - 2.5rem, var(--largeur));
  margin-inline: auto;
}

/* ---------- 3. Fond anime ---------- */
.fond-anime {
  position: fixed;
  inset: 0;
  width: 100%;
  height: 100%;
  z-index: 0;
  opacity: 0.55;
  pointer-events: none;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  background:
    radial-gradient(760px 520px at 12% -6%, rgba(37, 99, 235, 0.20), transparent 62%),
    radial-gradient(680px 480px at 88% 12%, rgba(56, 189, 248, 0.12), transparent 60%),
    radial-gradient(900px 700px at 50% 108%, rgba(37, 99, 235, 0.14), transparent 64%);
}

header, main, footer { position: relative; z-index: 1; }

/* ---------- 4. Entete ---------- */
.entete {
  position: sticky;
  top: 0;
  z-index: 60;
  background: rgba(5, 8, 16, 0.72);
  border-bottom: 1px solid transparent;
  backdrop-filter: blur(16px) saturate(140%);
  -webkit-backdrop-filter: blur(16px) saturate(140%);
  transition: background var(--transition), border-color var(--transition);
}
.entete.est-collee {
  background: rgba(5, 8, 16, 0.93);
  border-bottom-color: var(--bordure);
}

.entete__grille {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--e-2);
  min-height: 76px;
}

.marque {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  color: var(--blanc);
}

.marque__sigle {
  display: grid;
  place-items: center;
  width: 42px;
  height: 42px;
  border-radius: 12px;
  font-weight: 800;
  font-size: 0.95rem;
  letter-spacing: -0.04em;
  color: var(--blanc);
  background: linear-gradient(140deg, var(--bleu), var(--bleu-clair));
  box-shadow: 0 8px 22px rgba(37, 99, 235, 0.4);
  transition: transform var(--transition), box-shadow var(--transition);
}
.marque:hover .marque__sigle {
  transform: rotate(-6deg) scale(1.05);
  box-shadow: 0 12px 30px rgba(56, 189, 248, 0.45);
}

.marque__texte { display: flex; flex-direction: column; line-height: 1.25; }
.marque__texte strong { font-size: 1rem; letter-spacing: -0.02em; }
.marque__texte span { font-size: 0.74rem; color: var(--texte-2); letter-spacing: 0.05em; text-transform: uppercase; }

.nav__liste {
  display: flex;
  align-items: center;
  gap: 0.15rem;
}
.nav__liste a {
  display: inline-block;
  padding: 0.5rem 0.72rem;
  border-radius: 999px;
  color: var(--texte-2);
  font-size: 0.86rem;
  font-weight: 500;
  position: relative;
  transition: color var(--transition), background var(--transition);
}
.nav__liste a:hover { color: var(--blanc); background: rgba(27, 39, 64, 0.6); }
.nav__liste a.est-actif { color: var(--blanc); }
.nav__liste a.est-actif::after {
  content: "";
  position: absolute;
  left: 50%;
  bottom: 2px;
  width: 16px;
  height: 2px;
  transform: translateX(-50%);
  border-radius: 2px;
  background: linear-gradient(90deg, var(--bleu), var(--bleu-clair));
}
.nav__cta {
  background: linear-gradient(140deg, var(--bleu), #1D4ED8);
  color: var(--blanc) !important;
  margin-left: 0.4rem;
  box-shadow: 0 8px 22px rgba(37, 99, 235, 0.35);
}
.nav__cta:hover { filter: brightness(1.12); }

.burger {
  display: none;
  width: 44px;
  height: 44px;
  border: 1px solid var(--bordure);
  border-radius: 12px;
  background: var(--surface);
  cursor: pointer;
  padding: 0;
  place-items: center;
  gap: 5px;
  flex-direction: column;
}
.burger span {
  display: block;
  width: 18px;
  height: 2px;
  border-radius: 2px;
  background: var(--blanc);
  transition: transform var(--transition), opacity var(--transition);
}
.burger[aria-expanded="true"] span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.burger[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.burger[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ---------- 5. Elements communs ---------- */
.section {
  padding: var(--e-6) 0;
  position: relative;
}
.section--eco, .section--chiffres { padding-top: var(--e-5); }

.section__entete {
  max-width: 760px;
  margin: 0 auto var(--e-5);
  text-align: center;
}
.section__entete--gauche { text-align: left; margin-inline: 0; margin-bottom: var(--e-3); }

.section__entete h2 {
  font-size: clamp(1.95rem, 1.3rem + 2.6vw, 3.1rem);
  letter-spacing: -0.04em;
}
.section__intro {
  color: var(--texte-2);
  font-size: clamp(1rem, 0.97rem + 0.18vw, 1.1rem);
  margin-bottom: 0;
}

.etiquette {
  display: inline-block;
  font-family: var(--police-mono);
  font-size: 0.72rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--bleu-clair);
  margin-bottom: 0.9rem;
  padding: 0.3rem 0.7rem;
  border: 1px solid var(--bordure);
  border-radius: 999px;
  background: rgba(13, 20, 37, 0.75);
}

.surtitre {
  font-family: var(--police-mono);
  font-size: 0.76rem;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: var(--bleu-clair);
  margin-bottom: var(--e-2);
}

.prose p { color: var(--texte-2); }
.prose p strong { color: var(--blanc); }

.bouton {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.95rem 1.6rem;
  border-radius: 999px;
  font-weight: 600;
  font-size: 0.94rem;
  letter-spacing: 0.01em;
  border: 1px solid transparent;
  transition: transform var(--transition), box-shadow var(--transition), background var(--transition), border-color var(--transition);
}
.bouton--plein {
  background: linear-gradient(140deg, var(--bleu), #1E40AF);
  color: var(--blanc);
  box-shadow: var(--ombre-bleue);
}
.bouton--plein:hover {
  transform: translateY(-3px);
  box-shadow: 0 26px 60px rgba(37, 99, 235, 0.4);
  color: var(--blanc);
}
.bouton--ligne {
  border-color: var(--bordure);
  color: var(--blanc);
  background: rgba(13, 20, 37, 0.6);
}
.bouton--ligne:hover {
  border-color: var(--bleu-clair);
  color: var(--blanc);
  transform: translateY(-3px);
}

/* Apparition au scroll */
.reveal {
  opacity: 0;
  transform: translateY(26px);
  transition: opacity var(--transition-lente), transform var(--transition-lente);
  will-change: opacity, transform;
}
.reveal.est-visible { opacity: 1; transform: none; }

/* ---------- 6. Hero ---------- */
.hero {
  padding: clamp(3.5rem, 2rem + 8vw, 7.5rem) 0 var(--e-6);
  position: relative;
}
.hero__grille {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: clamp(2rem, 1rem + 4vw, 4.5rem);
  align-items: center;
}

.hero h1 {
  display: flex;
  flex-direction: column;
  gap: 0.55rem;
  margin-bottom: var(--e-3);
}
.hero__nom {
  font-size: clamp(2.7rem, 1.4rem + 6.6vw, 5.4rem);
  letter-spacing: -0.055em;
  line-height: 0.95;
  background: linear-gradient(120deg, var(--blanc) 20%, var(--bleu-clair) 96%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.hero__sous {
  font-size: clamp(1.05rem, 0.9rem + 0.7vw, 1.45rem);
  font-weight: 500;
  letter-spacing: -0.015em;
  line-height: 1.32;
  color: var(--texte-2);
  max-width: 30ch;
}

.hero__accroche {
  color: var(--texte-2);
  max-width: 58ch;
  margin-bottom: var(--e-3);
}

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.8rem;
  margin-bottom: var(--e-4);
}

.hero__indicateurs {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 0.6rem;
  border-top: 1px solid var(--bordure);
  padding-top: var(--e-3);
}
.hero__indicateurs li { display: flex; flex-direction: column; gap: 0.15rem; }
.hero__indicateurs strong {
  font-size: clamp(1.15rem, 1rem + 0.7vw, 1.6rem);
  letter-spacing: -0.04em;
  color: var(--blanc);
}
.hero__indicateurs span { font-size: 0.76rem; color: var(--texte-2); line-height: 1.35; }

/* Carte photo mise en avant */
.hero__carte { position: relative; }

.carte-photo {
  position: relative;
  border-radius: var(--r-xl);
  overflow: hidden;
  border: 1px solid var(--bordure);
  background: var(--surface);
  box-shadow: var(--ombre-forte);
  transform-style: preserve-3d;
  transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
}
.carte-photo::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(5, 8, 16, 0) 34%, rgba(5, 8, 16, 0.82) 76%, rgba(5, 8, 16, 0.97) 100%);
  pointer-events: none;
}
.carte-photo img {
  width: 100%;
  aspect-ratio: 1 / 1;
  object-fit: cover;
  filter: saturate(1.02) contrast(1.04);
  transition: transform var(--transition-lente);
}
.carte-photo:hover img { transform: scale(1.035); }
.carte-photo:hover { border-color: rgba(56, 189, 248, 0.45); }

.carte-photo__halo {
  position: absolute;
  inset: -1px;
  border-radius: inherit;
  pointer-events: none;
  z-index: 2;
  opacity: 0;
  transition: opacity var(--transition);
  background: radial-gradient(220px circle at var(--mx, 50%) var(--my, 50%), var(--halo-clair), transparent 62%);
}
.carte-photo:hover .carte-photo__halo { opacity: 1; }

.carte-photo__pied {
  position: absolute;
  left: 0; right: 0; bottom: 0;
  z-index: 3;
  padding: 1.4rem 1.5rem 1.5rem;
  transform: translateZ(40px);
}
.carte-photo__nom {
  font-size: 1.3rem;
  font-weight: 700;
  letter-spacing: -0.03em;
  margin-bottom: 0.2rem;
}
.carte-photo__role {
  font-size: 0.82rem;
  color: var(--texte-2);
  margin-bottom: 0.5rem;
}
.carte-photo__mail a {
  font-family: var(--police-mono);
  font-size: 0.79rem;
  color: var(--bleu-clair);
  border-bottom: 1px solid rgba(56, 189, 248, 0.35);
}
.carte-photo__mail { margin: 0; }

.carte-photo__pastille {
  position: absolute;
  top: 1.1rem;
  right: 1.1rem;
  z-index: 3;
  font-family: var(--police-mono);
  font-size: 0.7rem;
  letter-spacing: 0.18em;
  padding: 0.35rem 0.7rem;
  border-radius: 999px;
  color: var(--blanc);
  background: rgba(37, 99, 235, 0.85);
  border: 1px solid rgba(248, 250, 252, 0.18);
  transform: translateZ(60px);
}

.hero__legende {
  margin: var(--e-2) 0 0;
  font-size: 0.82rem;
  color: var(--texte-2);
  text-align: center;
}

.hero__defile {
  display: grid;
  place-items: center;
  margin-top: var(--e-4);
}
.hero__defile span {
  display: block;
  width: 1px;
  height: 54px;
  background: linear-gradient(180deg, transparent, var(--bleu-clair), transparent);
  animation: glisse 2.8s ease-in-out infinite;
}
@keyframes glisse {
  0%, 100% { opacity: 0.25; transform: translateY(-8px); }
  50% { opacity: 1; transform: translateY(8px); }
}

/* ---------- 7. Principes ---------- */
.principes {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1.25rem;
}
.principe {
  position: relative;
  padding: 2rem 1.7rem 1.9rem;
  border: 1px solid var(--bordure);
  border-radius: var(--r-lg);
  background: linear-gradient(180deg, var(--surface-2), var(--surface));
  box-shadow: var(--ombre-douce);
  transition: transform var(--transition), border-color var(--transition), box-shadow var(--transition);
  overflow: hidden;
}
.principe::before {
  content: "";
  position: absolute;
  top: 0; left: 1.7rem; right: 1.7rem;
  height: 2px;
  background: linear-gradient(90deg, var(--bleu), var(--bleu-clair));
  opacity: 0;
  transition: opacity var(--transition);
}
.principe:hover::before { opacity: 1; }
.principe:hover { border-color: rgba(56, 189, 248, 0.35); box-shadow: var(--ombre-bleue); }
.principe__num {
  font-family: var(--police-mono);
  font-size: 0.78rem;
  letter-spacing: 0.2em;
  color: var(--bleu-clair);
  display: block;
  margin-bottom: 0.9rem;
}
.principe h3 { font-size: 1.22rem; letter-spacing: -0.028em; line-height: 1.25; }
.principe p { color: var(--texte-2); font-size: 0.95rem; margin: 0; }

/* ---------- 8. Filtres et grille ecosysteme ---------- */
.filtres {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.5rem;
  margin-bottom: 0.9rem;
}
.filtre {
  font-family: inherit;
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--texte-2);
  background: rgba(13, 20, 37, 0.8);
  border: 1px solid var(--bordure);
  border-radius: 999px;
  padding: 0.55rem 1.1rem;
  cursor: pointer;
  transition: color var(--transition), border-color var(--transition), background var(--transition), transform var(--transition);
}
.filtre:hover { color: var(--blanc); border-color: rgba(56, 189, 248, 0.4); transform: translateY(-2px); }
.filtre.est-actif {
  color: var(--blanc);
  background: linear-gradient(140deg, var(--bleu), #1D4ED8);
  border-color: transparent;
  box-shadow: 0 10px 26px rgba(37, 99, 235, 0.32);
}
.filtres__resultat {
  text-align: center;
  font-family: var(--police-mono);
  font-size: 0.75rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--texte-2);
  margin-bottom: var(--e-3);
}

.grille-eco {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1.1rem;
}

.carte-eco {
  position: relative;
  padding: 1.8rem 1.5rem 1.6rem;
  border: 1px solid var(--bordure);
  border-radius: var(--r-md);
  background: linear-gradient(170deg, var(--surface-2) 0%, var(--surface) 62%);
  box-shadow: var(--ombre-douce);
  overflow: hidden;
  transform-style: preserve-3d;
  transition: transform var(--transition), border-color var(--transition), box-shadow var(--transition), opacity var(--transition);
}
.carte-eco__bord {
  position: absolute;
  inset: 0;
  border-radius: inherit;
  pointer-events: none;
  opacity: 0;
  transition: opacity var(--transition);
  background: radial-gradient(300px circle at var(--mx, 50%) var(--my, 50%), var(--halo-bleu), transparent 60%);
}
.carte-eco:hover .carte-eco__bord { opacity: 1; }
.carte-eco:hover {
  border-color: rgba(56, 189, 248, 0.42);
  box-shadow: 0 26px 60px rgba(2, 6, 18, 0.7), 0 0 0 1px rgba(56, 189, 248, 0.12);
}
.carte-eco > * { position: relative; z-index: 1; }

.carte-eco__tag {
  display: inline-block;
  font-family: var(--police-mono);
  font-size: 0.66rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--bleu-clair);
  padding: 0.24rem 0.6rem;
  border: 1px solid var(--bordure);
  border-radius: 999px;
  margin-bottom: 0.9rem;
}
.carte-eco h3 {
  font-size: 1.16rem;
  letter-spacing: -0.03em;
  margin-bottom: 0.6rem;
}
.carte-eco p { color: var(--texte-2); font-size: 0.92rem; }
.carte-eco__lien {
  margin: 0.9rem 0 0;
  padding-top: 0.8rem;
  border-top: 1px solid var(--bordure);
  font-family: var(--police-mono);
  font-size: 0.72rem;
  letter-spacing: 0.06em;
  color: var(--texte-2);
}
.carte-eco--vedette {
  border-color: rgba(37, 99, 235, 0.5);
  background: linear-gradient(170deg, #12203C 0%, var(--surface) 68%);
}
.carte-eco--vedette h3 { color: var(--bleu-clair); }

/* Etats de filtrage de la grille */
.carte-eco.est-sortante {
  opacity: 0;
  transform: scale(0.95) translateY(8px);
  pointer-events: none;
}
.carte-eco.est-masquee { display: none; }
.carte-eco.est-entrante { animation: entree-carte 420ms cubic-bezier(0.22, 0.61, 0.36, 1) both; }

@keyframes entree-carte {
  from { opacity: 0; transform: scale(0.96) translateY(14px); }
  to { opacity: 1; transform: none; }
}

/* ---------- 9. Partage ---------- */
.partages {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1.1rem;
}
.partage {
  display: flex;
  gap: 1.2rem;
  padding: 1.8rem 1.7rem;
  border: 1px solid var(--bordure);
  border-radius: var(--r-lg);
  background: rgba(13, 20, 37, 0.72);
  transition: border-color var(--transition), transform var(--transition), background var(--transition);
}
.partage:hover {
  border-color: rgba(56, 189, 248, 0.35);
  transform: translateY(-4px);
  background: rgba(16, 26, 48, 0.9);
}
.partage__index {
  flex: 0 0 auto;
  width: 46px;
  height: 46px;
  display: grid;
  place-items: center;
  border-radius: 14px;
  font-weight: 800;
  font-size: 1.05rem;
  color: var(--blanc);
  background: linear-gradient(140deg, rgba(37, 99, 235, 0.9), rgba(56, 189, 248, 0.55));
  box-shadow: 0 10px 26px rgba(37, 99, 235, 0.3);
}
.partage h3 { font-size: 1.14rem; letter-spacing: -0.028em; }
.partage p { color: var(--texte-2); font-size: 0.93rem; margin: 0; }

/* ---------- 10. Approche ---------- */
.approche__grille {
  display: grid;
  grid-template-columns: 0.85fr 1.15fr;
  gap: clamp(2rem, 1rem + 3.5vw, 4rem);
  align-items: start;
}
.approche__visuel {
  position: relative;
  border-radius: var(--r-lg);
  overflow: hidden;
  border: 1px solid var(--bordure);
  box-shadow: var(--ombre-forte);
  position: sticky;
  top: 110px;
}
.approche__visuel img {
  width: 100%;
  aspect-ratio: 4 / 5;
  object-fit: cover;
  filter: saturate(0.92) contrast(1.06) brightness(0.86);
  transition: transform var(--transition-lente), filter var(--transition-lente);
}
.approche__visuel:hover img { transform: scale(1.04); filter: saturate(1) brightness(0.95); }
.approche__visuel::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(190deg, rgba(37, 99, 235, 0.16), rgba(5, 8, 16, 0.55) 70%);
  pointer-events: none;
}
.approche__badge {
  position: absolute;
  left: 1.1rem;
  bottom: 1.1rem;
  right: 1.1rem;
  z-index: 2;
  display: flex;
  align-items: center;
  gap: 0.9rem;
  padding: 0.9rem 1.1rem;
  border-radius: var(--r-md);
  background: rgba(5, 8, 16, 0.86);
  border: 1px solid var(--bordure);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
}
.approche__badge strong {
  font-size: 1.7rem;
  letter-spacing: -0.04em;
  color: var(--bleu-clair);
  line-height: 1;
}
.approche__badge span { font-size: 0.76rem; color: var(--texte-2); line-height: 1.35; }

.approche__texte .prose p { font-size: 1.02rem; }

/* ---------- 11. Signaux ---------- */
.signaux {
  display: grid;
  gap: 0.85rem;
  counter-reset: signal;
  max-width: 980px;
  margin-inline: auto;
}
.signal {
  display: flex;
  gap: 1.3rem;
  align-items: flex-start;
  padding: 1.5rem 1.7rem;
  border: 1px solid var(--bordure);
  border-left: 3px solid var(--bordure);
  border-radius: var(--r-md);
  background: rgba(13, 20, 37, 0.66);
  transition: border-left-color var(--transition), transform var(--transition), background var(--transition);
}
.signal:hover {
  border-left-color: var(--bleu-clair);
  transform: translateX(6px);
  background: rgba(16, 26, 48, 0.86);
}
.signal__num {
  flex: 0 0 auto;
  font-family: var(--police-mono);
  font-size: 1.5rem;
  font-weight: 700;
  letter-spacing: -0.04em;
  color: rgba(56, 189, 248, 0.55);
  line-height: 1.1;
  min-width: 34px;
}
.signal h3 { font-size: 1.08rem; letter-spacing: -0.025em; margin-bottom: 0.4rem; }
.signal p { color: var(--texte-2); font-size: 0.93rem; margin: 0; }

/* ---------- 12. Chiffres ---------- */
.chiffres {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1rem;
}
.chiffre {
  position: relative;
  padding: 1.7rem 1.4rem;
  text-align: center;
  border: 1px solid var(--bordure);
  border-radius: var(--r-md);
  background: linear-gradient(180deg, var(--surface-2), rgba(5, 8, 16, 0.6));
  transition: transform var(--transition), border-color var(--transition), box-shadow var(--transition);
  overflow: hidden;
}
.chiffre::after {
  content: "";
  position: absolute;
  left: 50%;
  bottom: -60px;
  width: 160px;
  height: 120px;
  transform: translateX(-50%);
  background: radial-gradient(circle, rgba(37, 99, 235, 0.35), transparent 68%);
  opacity: 0;
  transition: opacity var(--transition);
}
.chiffre:hover::after { opacity: 1; }
.chiffre:hover { border-color: rgba(56, 189, 248, 0.4); box-shadow: var(--ombre-bleue); }
.chiffre__valeur {
  display: block;
  font-size: clamp(1.9rem, 1.3rem + 2vw, 2.85rem);
  font-weight: 800;
  letter-spacing: -0.055em;
  line-height: 1;
  margin-bottom: 0.6rem;
  background: linear-gradient(120deg, var(--blanc), var(--bleu-clair));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  font-variant-numeric: tabular-nums;
}
.chiffre__label { font-size: 0.92rem; font-weight: 600; margin-bottom: 0.25rem; }
.chiffre__detail { font-size: 0.78rem; color: var(--texte-2); margin: 0; }

.chiffres__note {
  max-width: 760px;
  margin: var(--e-4) auto 0;
  text-align: center;
  color: var(--texte-2);
  font-size: 0.95rem;
  padding-top: var(--e-3);
  border-top: 1px solid var(--bordure);
}

/* ---------- 13. Technologies ---------- */
.tech__grille {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(2rem, 1rem + 3vw, 3.5rem);
  align-items: center;
}
.tech__visuel {
  margin-top: var(--e-3);
  border-radius: var(--r-lg);
  overflow: hidden;
  border: 1px solid var(--bordure);
  box-shadow: var(--ombre-douce);
  position: relative;
}
.tech__visuel img {
  width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: cover;
  filter: saturate(0.9) brightness(0.85) contrast(1.05);
  transition: transform var(--transition-lente), filter var(--transition-lente);
}
.tech__visuel:hover img { transform: scale(1.05); filter: saturate(1) brightness(0.95); }

.tech__badges {
  display: grid;
  gap: 0.75rem;
  padding: 1.9rem 0;
  border: 1px solid var(--bordure);
  border-radius: var(--r-lg);
  background: linear-gradient(180deg, var(--surface), rgba(5, 8, 16, 0.7));
  box-shadow: var(--ombre-douce);
  overflow: hidden;
  position: relative;
}
.tech__badges::before,
.tech__badges::after {
  content: "";
  position: absolute;
  top: 0;
  bottom: 0;
  width: 90px;
  z-index: 2;
  pointer-events: none;
}
.tech__badges::before { left: 0; background: linear-gradient(90deg, var(--surface), transparent); }
.tech__badges::after { right: 0; background: linear-gradient(270deg, var(--surface), transparent); }

.piste { overflow: hidden; }
.piste__ruban {
  display: inline-flex;
  gap: 0.6rem;
  white-space: nowrap;
  animation: defilement 38s linear infinite;
  will-change: transform;
}
.piste--inverse .piste__ruban { animation-direction: reverse; }
.piste[data-piste="2"] .piste__ruban { animation-duration: 44s; }
.piste[data-piste="3"] .piste__ruban { animation-duration: 34s; }
.piste[data-piste="4"] .piste__ruban { animation-duration: 48s; }
.tech__badges:hover .piste__ruban { animation-play-state: paused; }

@keyframes defilement {
  from { transform: translateX(0); }
  to { transform: translateX(-50%); }
}

.badge {
  display: inline-flex;
  align-items: center;
  padding: 0.5rem 0.95rem;
  border-radius: 999px;
  border: 1px solid var(--bordure);
  background: rgba(16, 26, 48, 0.9);
  color: var(--texte-2);
  font-size: 0.83rem;
  font-weight: 500;
  letter-spacing: -0.005em;
  transition: color var(--transition), border-color var(--transition), background var(--transition);
}
.badge:hover {
  color: var(--blanc);
  border-color: rgba(56, 189, 248, 0.45);
  background: rgba(37, 99, 235, 0.22);
}
.tech__note {
  margin: 0.6rem 1.9rem 0;
  font-size: 0.78rem;
  color: var(--texte-2);
  text-align: center;
}

/* ---------- 14. FAQ ---------- */
.faq {
  max-width: 900px;
  margin-inline: auto;
  display: grid;
  gap: 0.6rem;
}
.faq__item {
  border: 1px solid var(--bordure);
  border-radius: var(--r-md);
  background: rgba(13, 20, 37, 0.7);
  overflow: hidden;
  transition: border-color var(--transition), background var(--transition);
}
.faq__item:hover { border-color: rgba(56, 189, 248, 0.3); }
.faq__item h3 { margin: 0; font-size: 1rem; }
.faq__bouton {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 1.25rem 1.5rem;
  background: none;
  border: 0;
  cursor: pointer;
  color: var(--blanc);
  font-family: inherit;
  font-size: 1rem;
  font-weight: 600;
  letter-spacing: -0.02em;
  text-align: left;
  line-height: 1.4;
  transition: color var(--transition);
}
.faq__bouton:hover { color: var(--bleu-clair); }
.faq__icone {
  flex: 0 0 auto;
  position: relative;
  width: 22px;
  height: 22px;
  border-radius: 50%;
  border: 1px solid var(--bordure);
  transition: transform var(--transition), border-color var(--transition), background var(--transition);
}
.faq__icone::before,
.faq__icone::after {
  content: "";
  position: absolute;
  top: 50%;
  left: 50%;
  width: 10px;
  height: 1.5px;
  background: var(--bleu-clair);
  transform: translate(-50%, -50%);
  transition: transform var(--transition), opacity var(--transition);
}
.faq__icone::after { transform: translate(-50%, -50%) rotate(90deg); }
.faq__bouton[aria-expanded="true"] .faq__icone {
  background: rgba(37, 99, 235, 0.25);
  border-color: rgba(56, 189, 248, 0.5);
  transform: rotate(180deg);
}
.faq__bouton[aria-expanded="true"] .faq__icone::after { opacity: 0; }
.faq__reponse {
  padding: 0 1.5rem 1.35rem;
  color: var(--texte-2);
  font-size: 0.95rem;
  animation: ouvre 320ms cubic-bezier(0.22, 0.61, 0.36, 1);
}
.faq__reponse p { margin: 0; }
@keyframes ouvre {
  from { opacity: 0; transform: translateY(-8px); }
  to { opacity: 1; transform: none; }
}

/* ---------- 15. Contact ---------- */
.section--contact { padding-bottom: var(--e-7); }
.contact {
  display: grid;
  grid-template-columns: 240px 1fr;
  gap: clamp(1.6rem, 1rem + 2.5vw, 3rem);
  align-items: center;
  padding: clamp(1.9rem, 1.2rem + 2.5vw, 3.2rem);
  border: 1px solid var(--bordure);
  border-radius: var(--r-xl);
  background:
    radial-gradient(600px 320px at 88% 0%, rgba(37, 99, 235, 0.20), transparent 66%),
    linear-gradient(180deg, var(--surface-2), var(--surface));
  box-shadow: var(--ombre-forte);
  position: relative;
  overflow: hidden;
}
.contact::before {
  content: "";
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(56, 189, 248, 0.7), transparent);
}
.contact__photo {
  border-radius: var(--r-lg);
  overflow: hidden;
  border: 1px solid var(--bordure);
  box-shadow: var(--ombre-douce);
}
.contact__photo img {
  width: 100%;
  aspect-ratio: 1 / 1;
  object-fit: cover;
  transition: transform var(--transition-lente);
}
.contact__photo:hover img { transform: scale(1.05); }
.contact__corps h2 {
  font-size: clamp(1.7rem, 1.2rem + 1.8vw, 2.5rem);
  letter-spacing: -0.04em;
}
.contact__corps > p { color: var(--texte-2); max-width: 62ch; }
.contact__mail {
  margin: var(--e-2) 0 var(--e-3);
}
.contact__mail a {
  display: inline-block;
  font-size: clamp(1.05rem, 0.9rem + 0.8vw, 1.5rem);
  font-weight: 700;
  letter-spacing: -0.03em;
  color: var(--blanc);
  padding: 0.75rem 1.4rem;
  border-radius: 999px;
  border: 1px solid rgba(56, 189, 248, 0.35);
  background: rgba(37, 99, 235, 0.16);
  transition: background var(--transition), transform var(--transition), border-color var(--transition);
}
.contact__mail a:hover {
  background: rgba(37, 99, 235, 0.34);
  border-color: var(--bleu-clair);
  transform: translateY(-3px);
}
.contact__reperes {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1rem;
  border-top: 1px solid var(--bordure);
  padding-top: var(--e-2);
}
.contact__reperes li { display: flex; flex-direction: column; gap: 0.2rem; }
.contact__reperes strong {
  font-family: var(--police-mono);
  font-size: 0.68rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--bleu-clair);
}
.contact__reperes span { font-size: 0.85rem; color: var(--texte-2); line-height: 1.4; }

/* ---------- 16. Pied de page ---------- */
.pied {
  border-top: 1px solid var(--bordure);
  background: rgba(5, 8, 16, 0.9);
  padding: var(--e-5) 0 var(--e-3);
}
.pied__grille {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr;
  gap: var(--e-3);
  padding-bottom: var(--e-4);
}
.pied__nom {
  font-size: 1.25rem;
  font-weight: 700;
  letter-spacing: -0.035em;
  margin-bottom: 0.5rem;
}
.pied__titre {
  font-family: var(--police-mono);
  font-size: 0.7rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--bleu-clair);
  margin-bottom: 0.8rem;
}
.pied__texte { color: var(--texte-2); font-size: 0.88rem; max-width: 46ch; }
.pied__bloc ul { display: grid; gap: 0.4rem; }
.pied__bloc ul a { color: var(--texte-2); font-size: 0.88rem; transition: color var(--transition), padding-left var(--transition); }
.pied__bloc ul a:hover { color: var(--blanc); padding-left: 5px; }
.pied__mail {
  font-family: var(--police-mono);
  font-size: 0.88rem;
  color: var(--bleu-clair);
  border-bottom: 1px solid rgba(56, 189, 248, 0.3);
}
.pied__bas {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--e-2);
  flex-wrap: wrap;
  border-top: 1px solid var(--bordure);
  padding-top: var(--e-2);
}
.pied__bas p { margin: 0; font-size: 0.8rem; color: var(--texte-2); }
.haut-de-page {
  font-size: 0.8rem;
  color: var(--texte-2);
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  transition: color var(--transition), transform var(--transition);
}
.haut-de-page::before { content: "\2191"; }
.haut-de-page:hover { color: var(--blanc); transform: translateY(-2px); }

/* ---------- 17. Page 404 ---------- */
.erreur {
  min-height: 78vh;
  display: grid;
  place-items: center;
  text-align: center;
  padding: var(--e-6) 0;
}
.erreur__code {
  font-size: clamp(4.5rem, 3rem + 12vw, 11rem);
  font-weight: 800;
  letter-spacing: -0.07em;
  line-height: 0.9;
  background: linear-gradient(120deg, var(--blanc), var(--bleu));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  margin-bottom: var(--e-2);
}
.erreur h1 { font-size: clamp(1.5rem, 1.1rem + 1.6vw, 2.2rem); }
.erreur p { color: var(--texte-2); max-width: 54ch; margin-inline: auto; }
.erreur__actions { display: flex; gap: 0.8rem; justify-content: center; flex-wrap: wrap; margin-top: var(--e-3); }
.erreur__photo {
  width: 132px;
  height: 132px;
  border-radius: 50%;
  overflow: hidden;
  border: 1px solid var(--bordure);
  margin: 0 auto var(--e-3);
  box-shadow: var(--ombre-bleue);
}
.erreur__photo img { width: 100%; height: 100%; object-fit: cover; }

/* ---------- 18. Responsive ---------- */
@media (max-width: 1200px) {
  .grille-eco { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .chiffres { grid-template-columns: repeat(4, minmax(0, 1fr)); }
  .nav__liste a { padding: 0.5rem 0.55rem; font-size: 0.82rem; }
}

@media (max-width: 1000px) {
  .hero__grille { grid-template-columns: 1fr; }
  .hero__carte { max-width: 460px; margin-inline: auto; }
  .approche__grille, .tech__grille { grid-template-columns: 1fr; }
  .approche__visuel { position: relative; top: auto; max-width: 560px; }
  .approche__visuel img { aspect-ratio: 16 / 10; }
  .principes { grid-template-columns: 1fr; }
  .chiffres { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (max-width: 900px) {
  .burger { display: flex; }
  .nav {
    position: fixed;
    inset: 76px 0 auto 0;
    background: rgba(5, 8, 16, 0.98);
    border-bottom: 1px solid var(--bordure);
    padding: var(--e-2) 1.25rem var(--e-3);
    transform: translateY(-14px);
    opacity: 0;
    visibility: hidden;
    transition: opacity var(--transition), transform var(--transition), visibility var(--transition);
    max-height: calc(100vh - 76px);
    overflow-y: auto;
  }
  .nav.est-ouverte { opacity: 1; transform: none; visibility: visible; }
  .nav__liste { flex-direction: column; align-items: stretch; gap: 0.15rem; }
  .nav__liste a {
    display: block;
    padding: 0.85rem 0.9rem;
    border-radius: var(--r-sm);
    font-size: 1rem;
    border-bottom: 1px solid rgba(27, 39, 64, 0.6);
  }
  .nav__liste a.est-actif::after { display: none; }
  .nav__cta { margin: 0.6rem 0 0; text-align: center; }
  .partages { grid-template-columns: 1fr; }
  .contact { grid-template-columns: 1fr; text-align: left; }
  .contact__photo { max-width: 190px; }
  .pied__grille { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 640px) {
  .section { padding: var(--e-5) 0; }
  .conteneur { width: min(100% - 1.8rem, var(--largeur)); }
  .hero__indicateurs { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 1rem; }
  .grille-eco { grid-template-columns: 1fr; }
  .chiffres { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .contact__reperes { grid-template-columns: 1fr; }
  .pied__grille { grid-template-columns: 1fr; }
  .signal { flex-direction: row; gap: 0.9rem; padding: 1.2rem 1.1rem; }
  .partage { flex-direction: column; gap: 0.9rem; }
  .bouton { width: 100%; }
  .hero__actions { flex-direction: column; align-items: stretch; }
  .faq__bouton { padding: 1.05rem 1.1rem; font-size: 0.95rem; }
  .faq__reponse { padding: 0 1.1rem 1.15rem; }
  .tech__badges::before, .tech__badges::after { width: 40px; }
}

/* ---------- 19. Accessibilite et mouvement reduit ---------- */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
    scroll-behavior: auto !important;
  }
  .reveal { opacity: 1 !important; transform: none !important; }
  .fond-anime { display: none; }
  .piste__ruban { animation: none; transform: none; }
  .hero__defile { display: none; }
  .carte-photo:hover img,
  .approche__visuel:hover img,
  .tech__visuel:hover img,
  .contact__photo:hover img { transform: none; }
}

@media print {
  .entete, .fond-anime, .hero__defile, .tech__badges, .haut-de-page { display: none; }
  body { background: #fff; color: #111; }
  .reveal { opacity: 1; transform: none; }
}