/* ============================================================
   AUTOMATISATION & IA : ce qui n'appartient qu'à cette page
   Le socle visuel (verre, halos, révélations, boutons, barre d'ancres,
   typographie de section) vient de moteur.css, chargé par le header sur
   toutes les pages. Ici, uniquement les compositions propres à la page,
   calquées sur services.css et qui-sommes-nous.css (mêmes valeurs).
   ============================================================ */

/* ------------------------------------------------------------
   Rythme vertical commun aux sections
   ------------------------------------------------------------ */
.ia-section { padding: clamp(90px, 13vh, 150px) 0; }
.ia-section--alt { background-color: var(--bg-2); }

/* ------------------------------------------------------------
   HERO
   ------------------------------------------------------------ */
.ia-hero {
  position: relative;
  padding: clamp(150px, 20vh, 230px) 0 clamp(70px, 9vh, 110px);
  overflow: hidden;
}
.ia-hero > .shell { position: relative; z-index: 1; }

.ia-breadcrumb {
  font-size: 11px;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--ink-mute);
  margin-bottom: 26px;
}
.ia-breadcrumb a { color: var(--ink-mute); text-decoration: none; }
.ia-breadcrumb a:hover { color: var(--accent); }
.ia-breadcrumb span { margin: 0 8px; }
.ia-breadcrumb span[aria-current] { margin: 0; white-space: nowrap; }

.ia-hero__title {
  font-size: clamp(42px, 6.6vw, 92px);
  line-height: 1.01;
  letter-spacing: -0.03em;
  margin: 0;
  max-width: 16ch;
  text-wrap: balance;
}
.ia-hero__title em { font-style: italic; color: var(--accent); }
.ia-hero__intro {
  margin: 32px 0 0;
  max-width: 64ch;
  font-size: clamp(17px, 1.9vw, 20px);
  line-height: 1.65;
  color: var(--ink-dim);
  text-wrap: pretty;
}
.ia-hero__line {
  margin: 18px 0 0;
  max-width: 64ch;
  font-size: 15.5px;
  line-height: 1.7;
  color: var(--ink-mute);
  text-wrap: pretty;
}
.ia-hero__actions {
  margin-top: 36px;
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
}

/* ------------------------------------------------------------
   Listes à puces (même puce que les listes de /services)
   ------------------------------------------------------------ */
.ia-bullets { list-style: none; margin: 0; padding: 0; display: grid; gap: 11px; }
.ia-bullets li {
  display: grid;
  grid-template-columns: 18px 1fr;
  align-items: start;
  gap: 8px;
  font-size: 14.5px;
  line-height: 1.55;
  color: var(--ink-dim);
}
.ia-bullets li::before {
  content: '';
  width: 7px; height: 7px;
  margin-top: 8px;
  border-radius: 50%;
  background: var(--accent);
}
.ia-panel__head { margin-bottom: 16px; color: var(--ink-mute); }
.ia-section .mr-sec-intro a { color: var(--accent); text-underline-offset: 3px; }

/* ------------------------------------------------------------
   CE QUE NOUS AUTOMATISONS : six cartes, la dernière ouverte
   ------------------------------------------------------------ */
.ia-cases {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
  max-width: 1400px;
  margin: 0 auto;
}
.ia-case {
  padding: 32px 30px;
  display: flex;
  flex-direction: column;
}
.ia-case__title {
  margin: 0 0 12px;
  font-size: 20px;
  font-weight: 600;
  letter-spacing: -0.01em;
  line-height: 1.28;
}
.ia-case__text {
  margin: 0 0 22px;
  font-size: 15.5px;
  line-height: 1.7;
  color: var(--ink-dim);
  text-wrap: pretty;
}
.ia-case__text a,
.ia-case__link a,
.ia-case__note a { color: var(--accent); text-underline-offset: 3px; }
.ia-case__note {
  margin: 22px 0 0;
  padding-top: 18px;
  border-top: 1px solid var(--line);
  font-size: 13.5px;
  line-height: 1.65;
  color: var(--ink-mute);
  text-wrap: pretty;
}
.ia-case__link {
  margin: auto 0 0;
  padding-top: 22px;
  font-size: 14.5px;
  color: var(--ink-dim);
}

/* La carte ouverte : l'invitation, en encre, comme les fins de page
   sombres du site (boutons --light). */
.ia-case--open {
  border-radius: var(--mr-r-card);
  background: var(--ink);
  color: #fff;
  justify-content: center;
  box-shadow: var(--mr-glass-sh);
}
.ia-case--open .ia-case__title {
  font-family: 'Instrument Serif', ui-serif, Georgia, serif;
  font-weight: 400;
  font-size: clamp(28px, 2.6vw, 36px);
  line-height: 1.1;
  letter-spacing: -0.02em;
  text-wrap: balance;
}
.ia-case--open .ia-case__text { color: rgba(255, 255, 255, 0.72); }
.ia-case__cta { margin-top: 6px; }

/* ------------------------------------------------------------
   LE RÔLE DE L'IA : deux colonnes, puis l'exemple de bout en bout
   ------------------------------------------------------------ */
.ia-modes {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 18px;
  max-width: 1240px;
  margin: 0 auto;
}
.ia-mode { padding: 34px 32px; }
.ia-mode__flow {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px 0;
  margin-bottom: 26px;
}
.ia-chip {
  display: inline-flex;
  align-items: center;
  padding: 7px 13px;
  border-radius: 999px;
  border: 1px solid var(--line-strong);
  background: rgba(255, 255, 255, 0.6);
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--ink);
}
.ia-chip--rule { color: var(--ink-dim); }
.ia-chip--ai { background: var(--accent); border-color: var(--accent); color: #fff; }
.ia-chip__link {
  width: 22px;
  height: 1px;
  background: var(--line-strong);
}
.ia-mode__label {
  margin: 0;
  font-size: 20px;
  font-weight: 600;
  letter-spacing: -0.01em;
}
.ia-mode__formula {
  margin: 12px 0 0;
  font-size: clamp(22px, 2.4vw, 30px);
  line-height: 1.2;
  letter-spacing: -0.02em;
  color: var(--accent);
  font-style: italic;
  text-wrap: balance;
}
.ia-mode__text {
  margin: 16px 0 0;
  font-size: 15.5px;
  line-height: 1.7;
  color: var(--ink-dim);
  text-wrap: pretty;
}

.ia-role {
  display: grid;
  grid-template-columns: 1fr 1.5fr;
  gap: 18px;
  align-items: start;
  max-width: 1240px;
  margin: 18px auto 0;
}
.ia-role__list { padding: 30px 28px; }
.ia-role__example { padding: 34px 32px 26px; }
.ia-role__title {
  margin: 0 0 22px;
  font-size: 20px;
  font-weight: 600;
  letter-spacing: -0.01em;
}

/* Le flux : une ligne verticale, un nœud par étape, coloré selon son
   type (règle : contour ; IA : accent ; humain : encre). */
.ia-flow { list-style: none; margin: 0; padding: 0; position: relative; }
.ia-flow::before {
  content: '';
  position: absolute;
  left: 14px;
  top: 18px;
  bottom: 18px;
  width: 1px;
  background: var(--line-strong);
}
.ia-flow__step {
  position: relative;
  display: grid;
  grid-template-columns: 29px 1fr auto;
  align-items: center;
  gap: 16px;
  padding: 10px 0;
}
.ia-flow__dot {
  position: relative;
  z-index: 1;
  width: 29px;
  height: 29px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px;
  background: var(--surface);
  border: 1px solid var(--line-strong);
  color: var(--ink-dim);
}
.ia-flow__step--ia .ia-flow__dot,
.ia-flow__step--mixte .ia-flow__dot { background: var(--accent); border-color: var(--accent); color: #fff; }
.ia-flow__step--humain .ia-flow__dot { background: var(--ink); border-color: var(--ink); color: #fff; }
.ia-flow__text {
  font-size: 15px;
  line-height: 1.55;
  color: var(--ink);
  text-wrap: pretty;
}
.ia-flow__tag {
  justify-self: end;
  padding: 5px 10px;
  border-radius: 999px;
  border: 1px solid var(--line-strong);
  font-size: 10.5px;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--ink-dim);
  white-space: nowrap;
}
.ia-flow__step--ia .ia-flow__tag,
.ia-flow__step--mixte .ia-flow__tag { border-color: var(--accent); color: var(--accent); }
.ia-flow__step--humain .ia-flow__tag { border-color: var(--ink); color: var(--ink); }

.ia-role__conclusion {
  max-width: 58ch;
  margin: clamp(40px, 6vh, 64px) auto 0;
  text-align: center;
  font-family: 'Instrument Serif', ui-serif, Georgia, serif;
  font-size: clamp(21px, 2.3vw, 27px);
  line-height: 1.4;
  letter-spacing: -0.015em;
  text-wrap: pretty;
}

/* ------------------------------------------------------------
   MÉTHODE : six étapes, même carte que l'accueil et qui-sommes-nous.
   Le numéro est séparé du titre, sur sa propre ligne.
   ------------------------------------------------------------ */
.ia-steps {
  list-style: none;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
  max-width: 1400px;
  margin: 0 auto;
}
.ia-step {
  padding: 34px 30px 30px;
  display: flex;
  flex-direction: column;
  gap: 14px;
  min-height: 240px;
}
.ia-step__num {
  font-family: 'Instrument Serif', ui-serif, Georgia, serif;
  font-size: 42px;
  line-height: 1;
  letter-spacing: -0.03em;
  color: var(--accent);
}
.ia-step__title { margin: 6px 0 0; font-size: 20px; font-weight: 600; letter-spacing: -0.01em; }
.ia-step__desc { margin: 0; font-size: 15px; line-height: 1.68; color: var(--ink-dim); text-wrap: pretty; }

/* ------------------------------------------------------------
   SUR MESURE : la phrase forte (patron « conviction » de l'accueil)
   ------------------------------------------------------------ */
.ia-conviction {
  position: relative;
  padding: clamp(100px, 15vh, 180px) 0;
  overflow: hidden;
}
.ia-conviction .shell { position: relative; z-index: 1; }
.ia-conviction__eyebrow { text-align: center; }
.ia-conviction__text {
  max-width: 24ch;
  margin: 0 auto;
  text-align: center;
  font-weight: 400;
  font-size: clamp(32px, 4.6vw, 64px);
  line-height: 1.08;
  letter-spacing: -0.03em;
  text-wrap: balance;
}
.ia-conviction__text em { font-style: italic; color: var(--accent); }
.ia-conviction__note {
  max-width: 54ch;
  margin: clamp(34px, 5vh, 52px) auto 0;
  text-align: center;
  font-size: clamp(16px, 1.8vw, 20px);
  line-height: 1.65;
  color: var(--ink-dim);
  text-wrap: pretty;
}
.ia-tailor {
  max-width: 900px;
  margin: clamp(34px, 5vh, 52px) auto 0;
  padding: 30px 32px;
}
.ia-bullets--cols { grid-template-columns: repeat(2, 1fr); gap: 14px 28px; }
.ia-bullets--cols li { font-size: 15.5px; color: var(--ink); }
.ia-conviction__end {
  max-width: 54ch;
  margin: 30px auto 0;
  text-align: center;
  font-size: 16px;
  line-height: 1.65;
  color: var(--ink-dim);
  text-wrap: pretty;
}

/* ------------------------------------------------------------
   IA ET MODÈLES : texte à gauche, panneau à droite
   ------------------------------------------------------------ */
.ia-models {
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: clamp(36px, 5vw, 76px);
  align-items: center;
  max-width: 1360px;
  margin: 0 auto;
}
.ia-models__head { margin-bottom: 0; }
.ia-prose {
  margin: 28px 0 0;
  max-width: 60ch;
  font-size: clamp(16px, 1.7vw, 18.5px);
  line-height: 1.75;
  color: var(--ink-dim);
  text-wrap: pretty;
}
.ia-models__panel { padding: 32px 30px; }
.ia-models__panel .ia-bullets li { font-size: 15.5px; }

/* ------------------------------------------------------------
   CONFIANCE : une dalle, une ligne par garantie
   ------------------------------------------------------------ */
.ia-trust {
  max-width: 1120px;
  margin: 0 auto;
  padding: 8px 34px;
}
.ia-trust__list { list-style: none; margin: 0; padding: 0; }
.ia-trust__row {
  display: grid;
  grid-template-columns: minmax(200px, 0.9fr) 1.6fr;
  gap: 28px;
  padding: 22px 0;
  border-bottom: 1px solid var(--line);
}
.ia-trust__row:last-child { border-bottom: 0; }
.ia-trust__k {
  font-size: 16.5px;
  font-weight: 600;
  letter-spacing: -0.01em;
  line-height: 1.45;
  color: var(--ink);
}
.ia-trust__v {
  font-size: 15.5px;
  line-height: 1.7;
  color: var(--ink-dim);
  text-wrap: pretty;
}
.ia-trust__end {
  max-width: 68ch;
  margin: 34px auto 0;
  text-align: center;
  font-size: 15px;
  line-height: 1.7;
  color: var(--ink-mute);
  text-wrap: pretty;
}

/* ------------------------------------------------------------
   QUESTIONS (même accordéon natif que /tarifs, sans JS)
   ------------------------------------------------------------ */
.ia-faq { max-width: 940px; margin: 0 auto; display: grid; gap: 12px; }
.ia-faq__item { padding: 0; }
.ia-faq__q {
  list-style: none;
  cursor: pointer;
  padding: 24px 28px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 22px;
}
.ia-faq__q::-webkit-details-marker { display: none; }
.ia-faq__q::marker { content: ''; }
.ia-faq__title {
  margin: 0;
  font-size: 17px;
  font-weight: 500;
  letter-spacing: -0.01em;
  line-height: 1.4;
}
.ia-faq__icon {
  flex: none;
  display: inline-flex;
  color: var(--accent);
  transition: transform .5s var(--mr-ease);
}
.ia-faq__item[open] .ia-faq__icon { transform: rotate(45deg); }
.ia-faq__a { padding: 0 28px 26px; }
.ia-faq__a p {
  margin: 0;
  max-width: 76ch;
  font-size: 15.5px;
  line-height: 1.75;
  color: var(--ink-dim);
  text-wrap: pretty;
}

/* ------------------------------------------------------------
   APPEL FINAL
   ------------------------------------------------------------ */
.ia-final { padding: clamp(90px, 13vh, 160px) 0; }
.ia-final__card {
  padding: clamp(50px, 7vh, 84px) 34px;
  text-align: center;
  max-width: 900px;
  margin: 0 auto;
}
.ia-final__title {
  font-size: clamp(36px, 5vw, 64px);
  line-height: 1.04;
  letter-spacing: -0.028em;
  margin: 0 auto;
  max-width: 18ch;
  text-wrap: balance;
}
.ia-final__title em { font-style: italic; color: var(--accent); }
.ia-final__sub {
  margin: 20px auto 0;
  max-width: 52ch;
  font-size: 17px;
  line-height: 1.6;
  color: var(--ink-dim);
}
.ia-final__actions {
  margin-top: 34px;
  display: flex;
  gap: 14px;
  justify-content: center;
  flex-wrap: wrap;
}
.ia-final__alt {
  margin: 22px 0 0;
  font-size: 14.5px;
  color: var(--ink-mute);
}
.ia-final__alt a { color: var(--accent); text-decoration: none; white-space: nowrap; }
.ia-final__alt a:hover { text-decoration: underline; }

/* ------------------------------------------------------------
   Adaptations d'écran
   ------------------------------------------------------------ */
@media (max-width: 1080px) {
  .ia-cases { grid-template-columns: repeat(2, 1fr); }
  .ia-steps { grid-template-columns: repeat(2, 1fr); }
  .ia-role { grid-template-columns: 1fr; }
  .ia-models { grid-template-columns: 1fr; gap: 40px; }
}
@media (max-width: 860px) {
  .ia-modes { grid-template-columns: 1fr; }
  .ia-trust__row { grid-template-columns: 1fr; gap: 6px; }
}
@media (max-width: 620px) {
  .ia-cases,
  .ia-steps { grid-template-columns: 1fr; }
  .ia-step { min-height: 0; }
  .ia-case,
  .ia-mode,
  .ia-role__list,
  .ia-role__example,
  .ia-models__panel,
  .ia-tailor { padding: 28px 22px; }
  .ia-trust { padding: 4px 22px; }
  .ia-bullets--cols { grid-template-columns: 1fr; }
  .ia-chip { padding: 6px 9px; letter-spacing: .06em; }
  .ia-chip__link { width: 10px; }
  .ia-flow__step { grid-template-columns: 29px 1fr; row-gap: 6px; }
  .ia-flow__tag { grid-column: 2; justify-self: start; }
  .ia-faq__q { padding: 20px 20px; }
  .ia-faq__title { font-size: 16px; }
  .ia-faq__a { padding: 0 20px 22px; }
  .ia-final__card { padding-left: 22px; padding-right: 22px; }
}
/* Barre d'ancres : cinq entrées ; on resserre les pastilles pour qu'elles
   tiennent sur un téléphone (même réglage que /services). */
@media (max-width: 640px) {
  .mr-subnav__pill a { padding: 10px 7px; }
}

/* Le reflet du verre (.glass::before, moteur.css) est posé en absolu : sans
   position, le contenu passerait dessous et pâlirait sur le haut de la
   carte. On le remonte au-dessus, comme .mr-fig__d dans moteur.css. */
.ia-case > *,
.ia-mode > *,
.ia-role__list > *,
.ia-role__example > *,
.ia-step > *,
.ia-tailor > *,
.ia-models__panel > *,
.ia-trust > *,
.ia-faq__item > *,
.ia-final__card > * { position: relative; z-index: 1; }