/* ═══════════════════════════════════════════════
   RESET
═══════════════════════════════════════════════ */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

/* ═══════════════════════════════════════════════
   TOKENS
═══════════════════════════════════════════════ */
:root {
  --night:      #0B1F2A;
  --deep:       #0A0F14;
  --light:      #F3F4F6;
  --white:      #FFFFFF;
  --text:       #111827;
  --mid:        #6B7280;
  --gold:       #C2A878;

  --b:          rgba(107,114,128,0.13);
  --b-dk:       rgba(255,255,255,0.065);
  --b-gold:     rgba(194,168,120,0.35);
  --b-gold-dim: rgba(194,168,120,0.15);

  --sans: 'IBM Plex Sans', sans-serif;
  --mono: 'IBM Plex Mono', monospace;

  --s:  10rem;   /* section padding — légèrement augmenté vs V3 */
  --sm: 5rem;
}

/* ═══════════════════════════════════════════════
   BASE
═══════════════════════════════════════════════ */
html { scroll-behavior: smooth; }
body {
  font-family: var(--sans);
  color: var(--text);
  background: var(--white);
  overflow-x: hidden;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

/* ═══════════════════════════════════════════════
   LAYOUT
═══════════════════════════════════════════════ */
.wrap {
  max-width: 1140px;
  margin: 0 auto;
  padding: 0 3rem;
}

/* ═══════════════════════════════════════════════
   COMPOSANTS PARTAGÉS
═══════════════════════════════════════════════ */
.label {
  display: inline-flex;
  align-items: center;
  gap: 0.85rem;
  font-family: var(--mono);
  font-size: 0.64rem;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 1.8rem;
}
.label::before {
  content: '';
  display: block;
  width: 18px;
  height: 1px;
  background: var(--gold);
  flex-shrink: 0;
}
.label.dim         { color: var(--mid); }
.label.dim::before { background: var(--mid); }

.h2 {
  font-size: clamp(1.9rem, 3.5vw, 2.85rem);
  font-weight: 600;
  letter-spacing: -0.03em;
  line-height: 1.12;
  color: var(--text);
}
.h2.on-dark  { color: var(--white); }
.h2.centered { text-align: center; }
/* V4: titre problématique plus imposant */
.h2.xl {
  font-size: clamp(2.1rem, 4vw, 3.4rem);
}

.btn {
  display: inline-block;
  font-family: var(--sans);
  font-size: 0.8rem;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  text-decoration: none;
  padding: 1.1rem 2.6rem;
  border: 1px solid;
  transition: background 0.22s, color 0.22s, border-color 0.22s;
  cursor: pointer;
}
.btn-outline-light {
  border-color: rgba(255,255,255,0.22);
  color: var(--white);
  background: transparent;
}
.btn-outline-light:hover { background: var(--gold); border-color: var(--gold); color: var(--deep); }
.btn-outline-gold {
  border-color: var(--b-gold);
  color: var(--gold);
  background: transparent;
}
.btn-outline-gold:hover { background: var(--gold); border-color: var(--gold); color: var(--deep); }
.btn-ghost {
  border-color: var(--b);
  color: var(--mid);
  background: transparent;
}
.btn-ghost:hover { border-color: var(--text); color: var(--text); }

/* ═══════════════════════════════════════════════
   NAV
═══════════════════════════════════════════════ */
nav {
  position: fixed;
  inset: 0 0 auto;
  z-index: 500;
  height: 62px;
  display: flex;
  align-items: center;
  background: rgba(10,15,20,0.95);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--b-dk);
}
.nav-inner { display: flex; align-items: center; justify-content: space-between; width: 100%; }
.nav-logo {
  font-family: var(--mono);
  font-size: 0.84rem;
  font-weight: 500;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--white);
  text-decoration: none;
}
.nav-logo span { color: var(--gold); }
.nav-links { display: flex; align-items: center; gap: 2.25rem; }
.nav-links a {
  font-family: var(--mono);
  font-size: 0.80rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.3);
  text-decoration: none;
  transition: color 0.18s;
}
.nav-links a:hover { color: var(--gold); }
.nav-links .nav-cta {
  color: var(--gold);
  border: 1px solid var(--b-gold);
  padding: 0.5rem 1.25rem;
  transition: background 0.2s, color 0.2s;
}
.nav-links .nav-cta:hover { background: var(--gold); color: var(--deep); }

/* ═══════════════════════════════════════════════
   HERO
   V4: diagram plus présent, opacités remontées
═══════════════════════════════════════════════ */
.hero {
  position: relative;
  background: var(--night);
  min-height: 100vh;
  display: flex;
  align-items: center;
  overflow: hidden;
}

/* Lignes verticales — V4: opacité 0.07 vs 0.045 */
.hero-vlines {
  position: absolute;
  inset: 0;
  pointer-events: none;
  display: flex;
  justify-content: space-between;
  padding: 0 3rem;
}
.hero-vlines span {
  display: block;
  width: 1px;
  height: 100%;
  background: rgba(194,168,120,0.07);
}

/* Canvas SVG background */
.hero-svg {
  position: absolute;
  inset: 0;
  pointer-events: none;
}
.hero-svg svg { position: absolute; inset: 0; width: 100%; height: 100%; }

.hero-body { position: relative; z-index: 2; padding: 10rem 0 8rem; width: 100%; }
.hero-body .wrap {
  /* full-width : on neutralise le max-width du .wrap générique */
  max-width: 100%;
  padding: 0 3rem;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 6rem;
  align-items: center;
}

/* Texte gauche — pas de contrainte de largeur, il suit la colonne */
.hero-text { max-width: none; }

.hero-ref {
  font-family: var(--mono);
  font-size: 0.63rem;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  color: rgba(194,168,120,0.55);
  margin-bottom: 2.4rem;
  display: flex;
  align-items: center;
  gap: 0.8rem;
}
.hero-ref::before { content: ''; width: 28px; height: 1px; background: var(--b-gold); display: block; flex-shrink: 0; }

.hero h1 {
  font-size: clamp(2.1rem, 4.4vw, 3.9rem);
  font-weight: 600;
  color: var(--white);
  line-height: 1.09;
  letter-spacing: -0.032em;
  margin-bottom: 2.4rem;
}
.hero h1 span { display: block; }
.hero h1 em { font-style: normal; color: var(--gold); }

.hero-underline { width: 48px; height: 1px; background: var(--gold); margin-bottom: 2.4rem; }

.hero-sub {
  font-size: 1rem;
  color: rgba(255,255,255,0.95);
  line-height: 1.84;
  margin-bottom: 1.8rem;
  font-weight: 400;
  max-width: none;
}
.hero-actors {
  font-family: var(--mono);
  font-size: 8pt;
  text-transform: uppercase;
  color: rgba(255,255,255,0.95);
  margin-bottom: 3.4rem;
  display: flex;
  align-items: center;
  gap: 0.7rem;
}
.hero-actors i { color: var(--b-gold); font-style: normal; }

/* Diagramme droite — agrandi pour lisibilité */
.hero-diagram { display: flex; align-items: center; justify-content: flex-end; }
.hero-diagram svg { width: 100%; max-width: 560px; opacity: 0.9; }

/* ═══════════════════════════════════════════════
   SECTION — BESOINS
═══════════════════════════════════════════════ */
.s-besoins { background: var(--white); padding: var(--s) 0; }
.besoins-top { margin-bottom: 4.5rem; }
.besoins-top .h2 { max-width: 520px; }

.besoins-cols {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0;
  border: 1px solid var(--b);
}
.besoins-list-col {
  padding: 3rem 3.5rem 3rem 0;
  border-right: 1px solid var(--b);
}
.besoins-item {
  display: grid;
  grid-template-columns: 14px 1fr;
  gap: 1rem;
  padding: 1.5rem 0;
  border-bottom: 1px solid var(--b);
}
.besoins-item:first-child { border-top: 1px solid var(--b); }
.besoins-dash { font-family: var(--mono); font-size: 0.72rem; color: var(--gold); margin-top: 0.15rem; }
/* LISIBILITÉ: taille et couleur remontées */
.besoins-item p { font-size: 1rem; color: var(--text); line-height: 1.65; font-weight: 400; }

.besoins-box {
  padding: 3rem 3rem 3rem 3.5rem;
  position: relative;
  background: var(--light);
}
.besoins-box::before {
  content: '';
  position: absolute;
  top: 0; left: 0;
  width: 2px; height: 44px;
  background: var(--gold);
}
.besoins-box-tag {
  font-family: var(--mono);
  font-size: 0.62rem;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: var(--mid);
  margin-bottom: 1.5rem;
}
.besoins-box h3 {
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 1.25rem;
  letter-spacing: -0.01em;
}
/* LISIBILITÉ: couleur plus sombre, taille augmentée, poids normal */
.besoins-box p { font-size: 0.97rem; color: #374151; line-height: 1.82; font-weight: 400; }
.besoins-box p + p { margin-top: 1rem; }
.besoins-box strong { color: var(--text); font-weight: 600; }

/* ═══════════════════════════════════════════════
   SECTION — PROBLÉMATIQUE
   V4: titre xl, texte réduit, espacement ++, arc renforcé
═══════════════════════════════════════════════ */
.s-problematique {
  background: var(--deep);
  padding: var(--s) 0;
  position: relative;
  overflow: hidden;
  text-align: center;
}
.s-problematique::before {
  content: '';
  position: absolute;
  top: 0; left: 5%; right: 5%;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--b-gold) 40%, var(--b-gold) 60%, transparent);
}
.s-problematique::after {
  content: '';
  position: absolute;
  bottom: 0; left: 5%; right: 5%;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--b-gold) 40%, var(--b-gold) 60%, transparent);
}
.s-problematique .pb-node-l,
.s-problematique .pb-node-r {
  position: absolute;
  top: 0;
  width: 4px;
  height: 4px;
  border-radius: 50%;
  background: var(--gold);
  opacity: 0.45;
  transform: translateY(-2px);
}
.s-problematique .pb-node-l { left: 5%; }
.s-problematique .pb-node-r { right: 5%; }

.pb-bg {
  position: absolute;
  inset: 0;
  pointer-events: none;
}
.pb-bg svg { position: absolute; inset: 0; width: 100%; height: 100%; }

.problematique-inner {
  position: relative;
  z-index: 2;
  max-width: 700px;
  margin: 0 auto;
  padding: 0 3rem;
}
.problematique-ref {
  font-family: var(--mono);
  font-size: 0.62rem;
  letter-spacing: 0.26em;
  text-transform: uppercase;
  color: rgba(194,168,120,0.55);
  margin-bottom: 3rem;
  display: inline-flex;
  align-items: center;
  gap: 0.8rem;
}
.problematique-ref::before,
.problematique-ref::after {
  content: '';
  width: 18px;
  height: 1px;
  background: var(--b-gold);
  display: block;
}
.problematique-inner .h2 { margin-bottom: 2.8rem; }

/* LISIBILITÉ: opacité remontée de 0.38 → 0.72, taille augmentée, poids 400 */
.problematique-inner .body {
  font-size: 1rem;
  color: rgba(255,255,255,0.72);
  line-height: 1.85;
  font-weight: 400;
}
.problematique-inner .body + .body { margin-top: 0.75rem; }
/* LISIBILITÉ: quote remontée à 0.92 d'opacité, fond légèrement distinct */
.problematique-quote {
  display: block;
  margin-top: 3.5rem;
  padding: 1.75rem 2.2rem;
  border-top: 1px solid rgba(194,168,120,0.45);
  border-bottom: 1px solid rgba(194,168,120,0.45);
  background: rgba(255,255,255,0.04);
  font-size: 1.05rem;
  color: rgba(255,255,255,0.92);
  font-weight: 400;
  font-style: italic;
  line-height: 1.75;
}

/* ═══════════════════════════════════════════════
   SECTION — APPROCHE
═══════════════════════════════════════════════ */
.s-approche {
  background: var(--light);
  padding: var(--s) 0;
  position: relative;
}
.s-approche::before {
  content: '';
  position: absolute;
  top: 0; left: 3rem; right: 3rem;
  height: 1px;
  background: var(--b);
}
.approche-inner { max-width: 720px; }
.approche-inner .h2 { margin-bottom: 2rem; margin-top: 1.5rem; }
/* LISIBILITÉ: couleur plus foncée, poids 400 */
.approche-inner .body { font-size: 1.05rem; color: #374151; line-height: 1.84; font-weight: 400; }

/* ═══════════════════════════════════════════════
   SECTION — PROCESS
═══════════════════════════════════════════════ */
.s-process { background: var(--white); padding: var(--s) 0; }
.process-head { margin-bottom: 5.5rem; }
.process-head .h2 { max-width: 520px; }

.process-sys {
  display: grid;
  grid-template-columns: 260px 1fr;
  gap: 0;
  border: 1px solid var(--b);
}

.process-index {
  border-right: 1px solid var(--b);
  position: relative;
  background: var(--light);
  padding: 0;
}
.process-index::before {
  content: '';
  position: absolute;
  left: 2.6rem;
  top: 3rem;
  bottom: 3rem;
  width: 1px;
  background: linear-gradient(to bottom, var(--gold) 0%, rgba(194,168,120,0.15) 100%);
}

.proc-idx-item {
  display: flex;
  align-items: flex-start;
  gap: 1.25rem;
  padding: 2.2rem 2rem 2.2rem 1.5rem;
  border-bottom: 1px solid var(--b);
  position: relative;
  cursor: default;
  transition: background 0.18s;
}
.proc-idx-item:last-child { border-bottom: none; }
.proc-idx-item:hover { background: rgba(194,168,120,0.04); }

.proc-dot {
  width: 9px;
  height: 9px;
  border-radius: 50%;
  border: 1.5px solid var(--gold);
  background: var(--white);
  flex-shrink: 0;
  margin-top: 0.08rem;
  position: relative;
  z-index: 1;
  margin-left: calc(2.6rem - 4.5px - 1.5rem);
  transition: background 0.18s;
}
.proc-idx-item:hover .proc-dot { background: var(--gold); }

.proc-num {
  font-family: var(--mono);
  font-size: 0.72rem;
  font-weight: 500;
  letter-spacing: 0.1em;
  color: var(--gold);
  margin-top: 0;
  flex-shrink: 0;
  width: 1.8rem;
}
/* LISIBILITÉ: label index plus grand et plus contrasté */
.proc-idx-label {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--text);
  letter-spacing: -0.01em;
  line-height: 1.4;
  padding-top: 0.04rem;
}

.proc-body-item {
  padding: 2.2rem 2.75rem;
  border-bottom: 1px solid var(--b);
  position: relative;
}
.proc-body-item:last-child { border-bottom: none; }
.proc-body-item::before {
  content: '';
  display: block;
  width: 20px;
  height: 1px;
  background: var(--gold);
  margin-bottom: 1rem;
  opacity: 0.7;
}
/* LISIBILITÉ: couleur plus foncée, taille augmentée, poids 400 */
.proc-body-desc {
  font-size: 0.97rem;
  color: #374151;
  line-height: 1.74;
  max-width: 540px;
  font-weight: 400;
}

/* ═══════════════════════════════════════════════
   SECTION — COMPARAISON
═══════════════════════════════════════════════ */
.s-comparaison { background: var(--light); padding: var(--s) 0; }
.comp-head { margin-bottom: 4.5rem; }
.comp-head .h2 { max-width: 560px; }

.comp-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1px;
  background: var(--b);
  border: 1px solid var(--b);
}
.comp-classic { background: var(--white); padding: 3rem 2.75rem; }
.comp-col-label {
  font-family: var(--mono);
  font-size: 0.62rem;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: var(--mid);
  padding-bottom: 1.5rem;
  margin-bottom: 1rem;
  border-bottom: 1px solid var(--b);
}
.comp-cyber .comp-col-label { color: var(--gold); border-bottom-color: var(--b-dk); }
.comp-entry { padding: 1.35rem 0; border-bottom: 1px solid var(--b); }
.comp-entry:last-child { border-bottom: none; }
/* LISIBILITÉ: tailles et poids augmentés */
.comp-role { font-size: 0.95rem; font-weight: 600; color: var(--text); margin-bottom: 0.3rem; letter-spacing: -0.01em; }
.comp-act  { font-size: 0.9rem; color: #4B5563; line-height: 1.6; font-weight: 400; }

.comp-cyber {
  background: var(--night);
  padding: 3rem 2.75rem;
  position: relative;
}
.comp-cyber::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--gold), rgba(194,168,120,0.4));
}
.comp-cyber::after {
  content: '';
  position: absolute;
  top: -3px; right: 2.75rem;
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--gold);
  opacity: 0.7;
}
.comp-cyber .comp-entry { border-bottom-color: var(--b-dk); }
/* LISIBILITÉ: blanc plein pour rôle, opacité remontée de 0.44 → 0.82 pour description */
.comp-cyber .comp-role { color: var(--white); }
.comp-cyber .comp-act  { color: rgba(255,255,255,0.82); font-weight: 400; }

/* LISIBILITÉ: texte conclusion plus foncé */
.comp-conclusion {
  margin-top: 3.5rem;
  padding-top: 2.2rem;
  border-top: 1px solid var(--b);
  font-size: 0.97rem;
  color: #374151;
  line-height: 1.75;
  max-width: 680px;
  font-weight: 400;
}
.comp-conclusion strong { color: var(--text); font-weight: 600; }

/* ═══════════════════════════════════════════════
   SECTION — EXPERTISE
═══════════════════════════════════════════════ */
.s-expertise {
  background: var(--night);
  padding: var(--s) 0;
  position: relative;
  overflow: hidden;
}
.expertise-bg-svg { position: absolute; inset: 0; pointer-events: none; }
.expertise-bg-svg svg { position: absolute; inset: 0; width: 100%; height: 100%; }

.expertise-head { margin-bottom: 4.5rem; max-width: 580px; }
.expertise-head .h2 { margin-top: 1rem; margin-bottom: 0.75rem; }
/* LISIBILITÉ: opacité intro remontée de 0.38 → 0.72 */
.expertise-head .body { font-size: 1rem; color: rgba(255,255,255,0.72); line-height: 1.8; font-weight: 400; }

.expertise-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--b-dk);
  border: 1px solid var(--b-dk);
}
.exp-mod {
  background: var(--night);
  padding: 2.8rem 2.2rem;
  position: relative;
  transition: background 0.2s;
}
.exp-mod:hover { background: rgba(255,255,255,0.03); }
/* LISIBILITÉ: label plus grand */
.exp-mod-label {
  font-family: var(--mono);
  font-size: 0.7rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 0.9rem;
}
.exp-mod-sep {
  display: block;
  width: 22px;
  height: 1px;
  background: var(--b-gold);
  margin-bottom: 1rem;
}
/* LISIBILITÉ: taille 0.82 → 0.97rem, opacité 0.4 → 0.82, poids 400 */
.exp-mod-desc {
  font-size: 0.97rem;
  color: rgba(255,255,255,0.82);
  line-height: 1.72;
  font-weight: 400;
}
.exp-mod:nth-child(3n+1)::after {
  content: '';
  position: absolute;
  top: 1.5rem; right: 1.5rem;
  width: 4px; height: 4px;
  border-radius: 50%;
  background: var(--gold);
  opacity: 0.25;
}

/* ═══════════════════════════════════════════════
   SECTION — CAPACITÉS
═══════════════════════════════════════════════ */
.s-capacites { background: var(--white); padding: var(--s) 0; }
.cap-layout {
  display: grid;
  grid-template-columns: 380px 1fr;
  gap: 6rem;
  align-items: start;
}
.cap-left .h2 { font-size: clamp(1.4rem, 2.2vw, 1.9rem); margin-bottom: 0.6rem; margin-top: 0.75rem; }
.cap-subtitle {
  font-family: var(--mono);
  font-size: 0.62rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--mid);
  margin-bottom: 1.8rem;
}
/* LISIBILITÉ: couleur plus foncée, taille augmentée */
.cap-left .body { font-size: 0.97rem; color: #374151; line-height: 1.78; font-weight: 400; margin-bottom: 2.5rem; }

.cap-right { border-top: 1px solid var(--b); }
/* LISIBILITÉ: taille augmentée */
.cap-line {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 1.15rem 0;
  border-bottom: 1px solid var(--b);
  font-size: 0.97rem;
  color: var(--text);
  font-weight: 400;
}
.cap-line::before { content: ''; width: 12px; height: 1px; background: var(--gold); flex-shrink: 0; }
/* LISIBILITÉ: texte note plus foncé */
.cap-note {
  margin-top: 2rem;
  padding: 1.75rem 1.75rem 1.75rem 2rem;
  background: var(--light);
  border-left: 2px solid var(--gold);
  font-size: 0.9rem;
  color: #374151;
  line-height: 1.72;
  font-weight: 400;
}

/* ═══════════════════════════════════════════════
   BANDEAU CONFORMITÉ
═══════════════════════════════════════════════ */
.s-conf {
  background: var(--light);
  padding: 3rem 0;
  border-top: 1px solid var(--b);
  border-bottom: 1px solid var(--b);
}
.conf-row { display: flex; align-items: center; gap: 2rem; }
.conf-badge {
  width: 38px; height: 38px;
  border: 1px solid var(--b-gold);
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0;
}
/* LISIBILITÉ: textes conformité plus foncés */
.conf-text strong { display: block; font-size: 0.97rem; font-weight: 600; color: var(--text); margin-bottom: 0.18rem; }
.conf-text span   { font-size: 0.9rem; color: #374151; font-weight: 400; }

/* ═══════════════════════════════════════════════
   SECTION — TYPOLOGIES
═══════════════════════════════════════════════ */
.s-typologies { background: var(--white); padding: var(--s) 0; }
.typo-head { margin-bottom: 4.5rem; }
.typo-head .h2 { max-width: 480px; }

.typo-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2px;
  background: var(--b);
  border: 1px solid var(--b);
}
.typo-item {
  background: var(--white);
  padding: 3rem 2.4rem;
  position: relative;
}
.typo-item::before {
  content: '';
  position: absolute;
  top: 3rem; left: 0;
  width: 2px; height: 28px;
  background: var(--gold);
  opacity: 0.55;
}
.typo-num {
  font-family: var(--mono);
  font-size: 0.62rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 1.5rem;
  display: flex;
  align-items: center;
  gap: 0.7rem;
}
.typo-num::after { content: ''; flex: 1; height: 1px; background: var(--b-gold-dim); }
/* LISIBILITÉ: couleur plus foncée, taille augmentée */
.typo-item p { font-size: 0.97rem; color: #374151; line-height: 1.8; font-weight: 400; }

/* ═══════════════════════════════════════════════
   SECTION — CTA FINAL
═══════════════════════════════════════════════ */
.s-cta {
  background: var(--deep);
  padding: var(--s) 0;
  position: relative;
  overflow: hidden;
  text-align: center;
}
.s-cta::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent 5%, rgba(194,168,120,0.45) 50%, transparent 95%);
}
.s-cta .cta-anchor {
  position: absolute;
  top: -3px; left: 50%;
  transform: translateX(-50%);
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--gold);
  opacity: 0.55;
}

.cta-bg-svg { position: absolute; inset: 0; pointer-events: none; }
.cta-bg-svg svg { position: absolute; inset: 0; width: 100%; height: 100%; }

.cta-inner {
  position: relative;
  z-index: 2;
  max-width: 580px;
  margin: 0 auto;
  padding: 0 3rem;
}
.cta-inner .h2 { margin-bottom: 1.5rem; }
/* LISIBILITÉ: opacité remontée de 0.38 → 0.72, taille augmentée, poids 400 */
.cta-inner .body {
  font-size: 1rem;
  color: rgba(255,255,255,0.72);
  line-height: 1.85;
  font-weight: 400;
  margin-bottom: 4.5rem;
}

/* ═══════════════════════════════════════════════
   FOOTER
═══════════════════════════════════════════════ */
footer {
  background: var(--deep);
  border-top: 1px solid var(--b-dk);
  padding: 3rem 0;
  position: relative;
  overflow: hidden;
}
.footer-sig { position: absolute; inset: 0; pointer-events: none; }
.footer-sig svg { position: absolute; inset: 0; width: 100%; height: 100%; }
.footer-row { display: flex; align-items: center; justify-content: space-between; position: relative; z-index: 2; }
/* LISIBILITÉ: footer logo et liens légèrement remontés */
.footer-logo { font-family: var(--mono); font-size: 0.72rem; letter-spacing: 0.22em; text-transform: uppercase; color: rgba(255,255,255,0.35); }
.footer-links { display: flex; gap: 2.5rem; }
.footer-links a { font-size: 0.78rem; color: rgba(255,255,255,0.35); text-decoration: none; letter-spacing: 0.05em; transition: color 0.18s; }
.footer-links a:hover { color: var(--gold); }

/* ═══════════════════════════════════════════════
   ANIMATIONS
═══════════════════════════════════════════════ */
@keyframes fup {
  from { opacity: 0; transform: translateY(18px); }
  to   { opacity: 1; transform: translateY(0); }
}
.hero-ref       { animation: fup 0.7s  ease both; }
.hero h1        { animation: fup 0.72s ease both 0.1s; }
.hero-underline { animation: fup 0.7s  ease both 0.2s; }
.hero-sub       { animation: fup 0.7s  ease both 0.28s; }
.hero-actors    { animation: fup 0.7s  ease both 0.36s; }
.btn-hero       { animation: fup 0.7s  ease both 0.44s; }
.hero-diagram   { animation: fup 0.85s ease both 0.28s; }

/* ═══════════════════════════════════════════════
   RESPONSIVE
═══════════════════════════════════════════════ */
@media (max-width: 980px) {
  :root { --s: 7rem; }
  .hero-body .wrap { grid-template-columns: 1fr; }
  .hero-diagram { display: none; }
  .besoins-cols { grid-template-columns: 1fr; }
  .besoins-list-col { border-right: none; border-bottom: 1px solid var(--b); padding: 2.5rem; }
  .besoins-box { padding: 2.5rem; }
  .comp-layout { grid-template-columns: 1fr; }
  .expertise-grid { grid-template-columns: 1fr 1fr; }
  .cap-layout { grid-template-columns: 1fr; gap: 3rem; }
  .typo-grid { grid-template-columns: 1fr; }
  .process-sys { grid-template-columns: 1fr; }
  .process-index { border-right: none; border-bottom: 1px solid var(--b); }
  .process-index::before { display: none; }
}
@media (max-width: 640px) {
  :root { --s: 5.5rem; }
  .wrap { padding: 0 1.5rem; }
  .expertise-grid { grid-template-columns: 1fr; }
  .hero-vlines { display: none; }
  .nav-links a:not(.nav-cta) { display: none; }
  .footer-row { flex-direction: column; gap: 1.5rem; text-align: center; }
  .footer-links { flex-wrap: wrap; justify-content: center; gap: 1.25rem; }
}



.btt {
  position: fixed;
  bottom: 2.2rem;
  right: 2.2rem;
  z-index: 400;
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(10,15,20,0.88);
  border: 1px solid rgba(194,168,120,0.32);
  color: #C2A878;
  cursor: pointer;
  backdrop-filter: blur(10px);
  opacity: 0;
  transform: translateY(10px);
  pointer-events: none;
  transition: opacity 0.28s ease, transform 0.28s ease, background 0.2s, border-color 0.2s;
}
.btt:hover {
  background: #C2A878;
  border-color: #C2A878;
  color: #0A0F14;
}
.btt.visible {
  opacity: 1;
  transform: translateY(0);
  pointer-events: auto;
}