/* =========================================================
   NEOQIT — Feuille de style
   Charte « Beige Noir » (juillet 2026) :
     Noir #000000 · Blanc #FFFFFF · Crème #FBF7F0 · Bleu accent #040482
     Lavande #E9E6FF · Beige #EDE5DE · Gris clair #EFEFEF
   Typos  : DM Sans (titres) · Segoe UI (corps), conformes à la charte.
   ========================================================= */

:root {
  --noir:       #000000;
  --anthracite: #0e0e12;
  --bleu:       #040482;   /* couleur d'accent */
  --bleu-fonce: #030362;   /* accent survol */
  --lavande:    #E9E6FF;
  --beige:      #EDE5DE;
  --blanc:      #FBF7F0;   /* fond crème (charte Beige Noir) */
  --gris-clair: #EFEFEF;   /* gris de la charte — fonds discrets sur fond clair */
  --gris:       #DAD4CB;   /* bordures & texte discret : plus contrasté que #EFEFEF, illisible en bordure sur fond crème/blanc */
  --gris-txt:   #5b554e;
  --blanc-pur:  #ffffff;

  --font-titre: "DM Sans", system-ui, sans-serif;
  --font-corps: "Segoe UI", -apple-system, "Segoe UI Variable", system-ui, sans-serif;

  --container: 1180px;
  --radius: 14px;
  --ease: cubic-bezier(.22, 1, .36, 1);
  --shadow: 0 20px 50px -25px rgba(0,0,0,.35);
}

* { margin: 0; padding: 0; box-sizing: border-box; }

html { scroll-behavior: smooth; scroll-padding-top: 90px; }

body {
  font-family: var(--font-corps);
  color: var(--anthracite);
  background: var(--blanc);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

h1, h2, h3, h4 { font-family: var(--font-titre); line-height: 1.1; letter-spacing: -.02em; }
a { color: inherit; text-decoration: none; }
img, svg { display: block; max-width: 100%; }

.container { width: 100%; max-width: var(--container); margin-inline: auto; padding-inline: 24px; }

/* ---------- Boutons ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: .5em;
  font-family: var(--font-titre); font-weight: 600; font-size: .96rem;
  padding: 15px 28px; border-radius: 999px; border: 1.5px solid transparent;
  cursor: pointer; transition: transform .25s var(--ease), background .25s, color .25s, border-color .25s;
  white-space: nowrap;
}
.btn--primary { background: var(--blanc); color: var(--noir); }
.btn--primary:hover { transform: translateY(-2px); background: var(--gris); }
.btn--ghost { background: transparent; border-color: rgba(255,255,255,.45); color: var(--blanc); }
.btn--ghost:hover { transform: translateY(-2px); background: rgba(255,255,255,.08); border-color: var(--blanc); }
.btn--block { width: 100%; }
/* Bouton d'accent (sur fond clair) */
.btn--dark { background: var(--bleu); color: #fff; }
.btn--dark:hover { transform: translateY(-2px); background: var(--bleu-fonce); }
.btn--dark-ghost { background: transparent; border-color: var(--bleu); color: var(--bleu); }
.btn--dark-ghost:hover { transform: translateY(-2px); background: var(--bleu); color: #fff; }

.link-arrow {
  font-family: var(--font-titre); font-weight: 600; font-size: .95rem; color: var(--bleu);
  display: inline-flex; align-items: center; gap: .35em;
  border-bottom: 2px solid var(--bleu); padding-bottom: 2px;
  transition: gap .25s var(--ease);
}
.link-arrow:hover { gap: .8em; }
.link-arrow--light { color: var(--blanc); border-color: var(--blanc); }

/* =========================================================
   HEADER (style charte : sombre, intégré au hero)
   ========================================================= */
.header {
  position: fixed; inset: 0 0 auto 0; z-index: 100;
  background: transparent;
  border-bottom: 1px solid transparent;
  transition: background .35s var(--ease), border-color .35s, box-shadow .35s;
}
.header.scrolled {
  background: var(--noir);
  border-color: rgba(255,255,255,.12);
  box-shadow: 0 8px 30px -18px rgba(0,0,0,.8);
}
.header__inner { display: flex; align-items: center; justify-content: space-between; height: 74px; }

.logo { display: inline-flex; align-items: center; gap: 11px; }
.logo__mark { width: 34px; height: 34px; fill: var(--blanc); }
.logo__word { font-family: var(--font-titre); font-weight: 800; letter-spacing: .18em; font-size: 1.05rem; color: var(--blanc); }

.nav__list { display: flex; align-items: center; gap: 2px; list-style: none; margin: 0; padding: 0; }
.nav__item { position: relative; }
.nav__link {
  display: inline-flex; align-items: center; gap: 7px;
  font-size: .92rem; font-weight: 500; color: var(--blanc);
  padding: 10px 14px; border-radius: 8px; transition: background .2s;
}
.nav__link:hover { background: rgba(255,255,255,.08); }
.nav__link .chev { width: 11px; height: 8px; flex-shrink: 0; transition: transform .25s var(--ease); }
.nav__item.has-mega:hover .chev, .nav__item.open .chev { transform: rotate(180deg); }

.nav__cta {
  display: inline-block; margin-left: 10px;
  border: 1.5px solid rgba(255,255,255,.45); color: var(--blanc) !important;
  padding: 9px 22px; border-radius: 999px;
  font-family: var(--font-titre); font-weight: 600; font-size: .92rem;
  transition: background .2s, color .2s, border-color .2s;
}
.nav__cta:hover { background: var(--blanc); color: var(--noir) !important; border-color: var(--blanc); }

/* ---------- Méga-menu déroulant ---------- */
.mega {
  position: absolute; top: 100%; left: 0; padding-top: 14px;
  opacity: 0; visibility: hidden; transform: translateY(10px);
  transition: opacity .25s var(--ease), transform .25s var(--ease), visibility .25s;
  z-index: 120;
}
.mega--right { left: auto; right: 0; }
.nav__item.has-mega:hover .mega, .nav__item.has-mega:focus-within .mega {
  opacity: 1; visibility: visible; transform: translateY(0);
}
.mega__inner {
  min-width: 340px; background: var(--anthracite);
  border: 1px solid rgba(255,255,255,.12); border-radius: 14px; padding: 10px;
  box-shadow: 0 30px 60px -22px rgba(0,0,0,.75);
}
.mega__head {
  display: block; font-family: var(--font-titre); font-weight: 600; font-size: .78rem;
  letter-spacing: .04em; color: var(--gris); padding: 8px 14px 12px;
  border-bottom: 1px solid rgba(255,255,255,.1); margin-bottom: 6px; transition: color .2s;
}
.mega__head:hover { color: var(--blanc); }
.mega__link { display: block; padding: 11px 14px; border-radius: 10px; transition: background .2s; }
.mega__link:hover { background: rgba(255,255,255,.07); }
.mega__link strong { display: block; font-family: var(--font-titre); font-weight: 600; font-size: .93rem; color: var(--blanc); }
.mega__link span { display: block; font-size: .82rem; color: var(--gris); margin-top: 2px; }

.burger { display: none; flex-direction: column; gap: 5px; background: none; border: 0; cursor: pointer; padding: 8px; }
.burger span { width: 24px; height: 2px; background: var(--blanc); transition: transform .3s var(--ease), opacity .2s; }
.burger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.burger.open span:nth-child(2) { opacity: 0; }
.burger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* =========================================================
   HERO
   ========================================================= */
.hero {
  position: relative; overflow: hidden;
  background: var(--noir); color: var(--blanc);
  padding: 190px 0 130px;
}
.hero__grid {
  position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,.045) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.045) 1px, transparent 1px);
  background-size: 62px 62px;
  mask-image: radial-gradient(ellipse 80% 70% at 40% 0%, #000 40%, transparent 100%);
}
.hero__glow {
  position: absolute; top: -25%; right: 2%; width: 720px; height: 720px;
  background: radial-gradient(circle, rgba(255,255,255,.14) 0%, transparent 60%);
  pointer-events: none;
}
.hero__building {
  position: absolute; right: -20px; bottom: 0; height: 100%; width: auto;
  max-width: 55%; pointer-events: none; z-index: 1;
}
.hero__inner { position: relative; z-index: 2; text-align: left; }
.hero__eyebrow {
  display: inline-block; font-size: .8rem; letter-spacing: .14em; text-transform: uppercase;
  color: var(--gris); border: 1px solid rgba(255,255,255,.22); border-radius: 999px;
  padding: 7px 16px; margin-bottom: 28px;
}
.hero__title { font-size: clamp(2.4rem, 6vw, 4.1rem); font-weight: 800; margin-bottom: 24px; max-width: 620px; }
.hero__title span { position: relative; white-space: nowrap; }
.hero__title span::after {
  content: ""; position: absolute; left: 0; right: 0; bottom: .06em; height: .12em;
  background: linear-gradient(90deg, rgba(245,245,243,.15), var(--blanc) 50%, rgba(245,245,243,.15));
  background-size: 200% 100%; animation: shimmer 3.5s linear infinite;
}
.hero__subtitle { font-size: clamp(1.02rem, 1.7vw, 1.18rem); color: var(--gris); max-width: 520px; margin-bottom: 38px; }
.hero__actions { display: flex; flex-wrap: wrap; gap: 16px; margin-bottom: 40px; justify-content: flex-start; }
.hero__reassurance {
  font-size: 1rem; color: var(--gris); padding-top: 28px;
  border-top: 1px solid rgba(255,255,255,.15); max-width: 520px;
}
.hero__reassurance strong { color: var(--blanc); }

/* =========================================================
   SECTION HEAD
   ========================================================= */
.section-head { max-width: 720px; margin-bottom: 56px; }
.section-head__kicker {
  display: inline-block; font-family: var(--font-titre); font-weight: 600;
  font-size: .8rem; letter-spacing: .16em; text-transform: uppercase; color: var(--gris-txt);
  margin-bottom: 14px;
}
.section-head__kicker::before { content: "— "; }
.section-head__title { font-size: clamp(1.8rem, 3.6vw, 2.7rem); font-weight: 700; }
.section-head__lead { margin-top: 20px; font-size: 1.08rem; color: var(--gris-txt); }

/* =========================================================
   VALEURS (3 colonnes)
   ========================================================= */
.values { padding: 100px 0; }
.values__grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 26px; }
.value {
  background: var(--blanc-pur); border: 1px solid var(--gris);
  border-radius: var(--radius); padding: 40px 34px;
  transition: transform .35s var(--ease), box-shadow .35s, border-color .35s;
}
.value:hover { transform: translateY(-6px); box-shadow: var(--shadow); border-color: var(--bleu); }
.value__icon {
  width: 56px; height: 56px; border-radius: 14px; background: var(--bleu); color: #fff;
  display: grid; place-items: center; margin-bottom: 22px;
}
.value__icon svg { width: 28px; height: 28px; }
.value h3 { font-size: 1.35rem; font-weight: 700; margin-bottom: 12px; }
.value p { color: var(--gris-txt); }

/* =========================================================
   EXPERTISES (bulles : nom seul, détail au survol, clic = page)
   ========================================================= */
.pillars { padding: 100px 0; background: var(--anthracite); color: var(--blanc); }
.pillars .section-head__title { color: var(--blanc); }
.pillars .section-head__kicker { color: var(--gris); }
.pillars__grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 22px; }
.pillar {
  position: relative; display: flex; flex-direction: column; justify-content: flex-start;
  background: rgba(255,255,255,.03); border: 1px solid rgba(94,94,255,.28);
  border-radius: var(--radius); padding: 26px 30px; min-height: 180px;
  transition: transform .35s var(--ease), background .35s, border-color .35s, box-shadow .35s;
}
.pillar:hover, .pillar:focus-visible {
  transform: translateY(-6px); background: rgba(255,255,255,.07);
  border-color: #5b5bff; box-shadow: 0 0 0 1px rgba(91,91,255,.25), 0 20px 40px -22px rgba(91,91,255,.5);
}
.pillar h3 { font-size: 1.35rem; font-weight: 700; margin: 0; }
.pillar p {
  color: var(--gris); font-size: .97rem; margin-top: 14px;
  opacity: 0; transform: translateY(6px);
  transition: opacity .3s, transform .35s var(--ease);
}
.pillar__arrow {
  font-family: var(--font-titre); font-weight: 600; font-size: .9rem;
  color: var(--gris); margin-top: auto; padding-top: 12px;
  opacity: 0; transform: translateY(6px);
  transition: opacity .3s, transform .35s var(--ease);
}
.pillar:hover p, .pillar:focus-within p { opacity: 1; transform: none; }
.pillar:hover .pillar__arrow, .pillar:focus-within .pillar__arrow { opacity: 1; transform: none; }
.pillar:hover .pillar__arrow { color: var(--blanc); }

/* =========================================================
   POSITIONNEMENT
   ========================================================= */
.statement { padding: 110px 0; background: var(--lavande); border-block: 1px solid var(--gris); }
.statement__text {
  font-family: var(--font-titre); font-weight: 600; font-size: clamp(1.5rem, 3.4vw, 2.4rem);
  line-height: 1.32; max-width: 940px; margin-inline: auto; text-align: center; letter-spacing: -.02em;
}
.statement__text em { font-style: normal; background: var(--bleu); color: #fff; padding: 0 .18em; border-radius: 4px; }

/* =========================================================
   QUI SOMMES-NOUS
   ========================================================= */
.team { padding: 100px 0; }
.team .section-head { text-align: center; margin-inline: auto; }
.team__grid {
  display: grid; grid-template-columns: repeat(2, 1fr); gap: 26px;
  max-width: 780px; margin: 50px auto 0;
}
.team-card {
  text-align: center; background: var(--blanc-pur); border: 1px solid var(--gris);
  border-radius: var(--radius); padding: 36px 28px;
  transition: transform .35s var(--ease), box-shadow .35s, border-color .35s;
}
.team-card:hover { transform: translateY(-6px); box-shadow: var(--shadow); border-color: var(--bleu); }
.team-card__photo {
  position: relative; width: 136px; height: 136px; margin: 0 auto 22px;
  border-radius: 50%; overflow: hidden; background: var(--noir);
  display: grid; place-items: center;
}
.team-card__initials { font-family: var(--font-titre); font-weight: 700; font-size: 2.5rem; color: var(--blanc); letter-spacing: .04em; }
.team-card__photo img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; }
.team-card h3 { font-size: 1.3rem; font-weight: 700; }
.team-card__role {
  font-family: var(--font-titre); font-weight: 600; font-size: .82rem;
  letter-spacing: .08em; text-transform: uppercase; color: var(--gris-txt); margin-top: 6px;
}
.team-card__bio { color: var(--gris-txt); font-size: .95rem; margin-top: 14px; }

/* =========================================================
   CONTACT
   ========================================================= */
.contact { padding: 100px 0; background: var(--noir); color: var(--blanc); }
.contact .section-head__title { color: var(--blanc); }
.contact .section-head__kicker { color: var(--gris); }
.contact__inner { display: grid; grid-template-columns: 1fr 1.05fr; gap: 60px; align-items: start; }
.contact__intro > p { color: var(--gris); font-size: 1.08rem; margin-top: 18px; }
.contact__facts { list-style: none; margin-top: 36px; display: grid; gap: 22px; }
.contact__facts li { display: flex; gap: 16px; align-items: flex-start; }
.contact__facts svg { width: 26px; height: 26px; flex-shrink: 0; color: var(--blanc); margin-top: 2px; }
.contact__facts span { font-size: .98rem; color: var(--gris); }
.contact__facts strong { color: var(--blanc); font-size: 1.05rem; }

.form {
  background: var(--blanc-pur); border: 1px solid var(--gris);
  border-radius: 20px; padding: 34px; box-shadow: var(--shadow);
}
.form__toggle { display: flex; gap: 6px; background: var(--blanc); border-radius: 999px; padding: 5px; margin-bottom: 28px; }
.form__tab {
  flex: 1; border: 0; background: transparent; cursor: pointer;
  font-family: var(--font-titre); font-weight: 600; font-size: .92rem; color: var(--gris-txt);
  padding: 11px; border-radius: 999px; transition: background .25s, color .25s;
}
.form__tab.is-active { background: var(--noir); color: var(--blanc); }
.form__row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; margin-bottom: 16px; }
.form label { display: flex; flex-direction: column; gap: 7px; font-size: .85rem; font-weight: 600; color: var(--anthracite); }
.form input, .form textarea {
  font-family: var(--font-corps); font-size: .98rem; color: var(--anthracite);
  padding: 13px 15px; border: 1.5px solid var(--gris); border-radius: 10px; background: var(--blanc);
  transition: border-color .2s, box-shadow .2s; resize: vertical;
}
.form input:focus, .form textarea:focus { outline: 0; border-color: var(--bleu); box-shadow: 0 0 0 3px rgba(4,4,130,.15); }
.form__field-message { margin-bottom: 20px; }
.form__note { margin-top: 14px; font-size: .9rem; font-weight: 500; text-align: center; min-height: 1.2em; }
.form__note.ok { color: #1a7a3c; }
.form__note.err { color: #b12318; }

/* =========================================================
   PAGES EXPERTISE
   ========================================================= */
.page-hero {
  position: relative; overflow: hidden;
  background: var(--noir); color: var(--blanc);
  padding: 160px 0 90px;
}
.page-hero__inner { position: relative; z-index: 2; max-width: 780px; }
.breadcrumb { font-size: .85rem; color: var(--gris); margin-bottom: 24px; }
.breadcrumb a { color: var(--gris); transition: color .2s; }
.breadcrumb a:hover { color: var(--blanc); }
.breadcrumb span { color: #6a6a6a; margin: 0 8px; }
.page-hero__index {
  display: inline-block; font-family: var(--font-titre); font-weight: 600;
  font-size: .78rem; letter-spacing: .16em; text-transform: uppercase; color: var(--gris);
  border: 1px solid rgba(255,255,255,.22); border-radius: 999px; padding: 6px 15px; margin-bottom: 22px;
}
.page-hero h1 { font-size: clamp(2.1rem, 5vw, 3.4rem); font-weight: 800; margin-bottom: 22px; }
.page-hero__lead { font-size: clamp(1.02rem, 1.7vw, 1.2rem); color: var(--gris); max-width: 660px; margin-bottom: 34px; }
.page-hero__actions { display: flex; flex-wrap: wrap; gap: 14px; }

.page-body { padding: 90px 0; }
.page-body__head { max-width: 720px; margin-bottom: 48px; }
.page-body__head h2 { font-size: clamp(1.6rem, 3vw, 2.2rem); font-weight: 700; }
.page-body__head p { margin-top: 16px; color: var(--gris-txt); font-size: 1.06rem; }
.page-body + .page-body { padding-top: 0; }

.feature-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 20px; }
.feature-card {
  background: var(--blanc-pur); border: 1px solid var(--gris); border-radius: var(--radius);
  padding: 26px 26px; display: flex; gap: 16px; align-items: flex-start;
  transition: transform .3s var(--ease), box-shadow .3s, border-color .3s;
}
.feature-card:hover { transform: translateY(-4px); box-shadow: var(--shadow); border-color: var(--bleu); }
.feature-card__icon {
  flex-shrink: 0; width: 40px; height: 40px; border-radius: 10px;
  background: var(--bleu); color: #fff; display: grid; place-items: center;
}
.feature-card__icon svg { width: 20px; height: 20px; }
.feature-card h3 { font-size: 1.08rem; font-weight: 700; margin-bottom: 5px; }
.feature-card p { color: var(--gris-txt); font-size: .95rem; }

/* Blocs de sous-services (sections ancrées des pages catégories) */
.svc-block { padding: 58px 0; border-top: 1px solid var(--gris); scroll-margin-top: 96px; }
.svc-block:first-of-type { padding-top: 6px; border-top: 0; }
.svc-block__head { max-width: 720px; margin-bottom: 30px; }
.svc-block__head h2 { font-size: clamp(1.45rem, 2.8vw, 2rem); font-weight: 700; }
.svc-block__head p { margin-top: 12px; color: var(--gris-txt); font-size: 1.05rem; }

/* Bloc secondaire (matériel, téléphonie, serveurs) */
.subservice { margin-top: 60px; padding-top: 50px; border-top: 1px solid var(--gris); }
.subservice h2 { font-size: clamp(1.4rem, 2.6vw, 1.9rem); font-weight: 700; margin-bottom: 10px; }
.subservice p { color: var(--gris-txt); margin-bottom: 26px; max-width: 640px; }
.tag-list { display: flex; flex-wrap: wrap; gap: 12px; }
.tag-list span {
  font-family: var(--font-titre); font-weight: 500; font-size: .92rem;
  background: var(--blanc-pur); border: 1px solid var(--gris); border-radius: 999px;
  padding: 10px 18px; transition: border-color .2s, transform .2s;
}
.tag-list span:hover { border-color: var(--noir); transform: translateY(-2px); }

/* Bande CTA */
.cta-band { background: var(--noir); color: var(--blanc); padding: 90px 0; text-align: center; }
.cta-band h2 { font-size: clamp(1.8rem, 3.6vw, 2.6rem); font-weight: 700; margin-bottom: 18px; }
.cta-band p { color: var(--gris); max-width: 560px; margin: 0 auto 32px; font-size: 1.08rem; }
.cta-band__actions { display: flex; flex-wrap: wrap; gap: 14px; justify-content: center; }

/* Autres expertises */
.related { padding: 90px 0; background: var(--blanc-pur); border-top: 1px solid var(--gris); }
.related__grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; margin-top: 40px; }
.related__card {
  border: 1px solid var(--gris); border-radius: var(--radius); padding: 26px;
  display: flex; align-items: center; justify-content: space-between; gap: 16px;
  font-family: var(--font-titre); font-weight: 600; font-size: 1.05rem;
  transition: transform .3s var(--ease), border-color .3s, background .3s;
}
.related__card:hover { transform: translateY(-4px); border-color: var(--bleu); background: var(--blanc); }
.related__card span { color: var(--gris-txt); transition: transform .3s var(--ease); }
.related__card:hover span { transform: translateX(5px); color: var(--bleu); }

/* =========================================================
   FOOTER
   ========================================================= */
.footer { background: var(--blanc-pur); color: var(--gris-txt); padding: 70px 0 30px; border-top: 1px solid var(--gris); }
.footer .logo__mark { fill: var(--noir); }
.footer .logo__word { color: var(--noir); }
.footer__inner { display: grid; grid-template-columns: 1.6fr 1fr 1fr 1fr; gap: 40px; }
.footer__brand p { margin-top: 18px; font-size: .95rem; line-height: 1.7; }
.footer__col h4 { font-size: .82rem; letter-spacing: .14em; text-transform: uppercase; color: var(--noir); margin-bottom: 18px; font-weight: 700; }
.footer__col ul { list-style: none; display: grid; gap: 11px; }
.footer__col a, .footer__col li { font-size: .93rem; transition: color .2s; }
.footer__col a:hover { color: var(--noir); }
.footer__bottom {
  display: flex; justify-content: space-between; flex-wrap: wrap; gap: 12px;
  margin-top: 50px; padding-top: 26px; border-top: 1px solid var(--gris);
  font-size: .85rem; color: var(--gris-txt);
}

/* =========================================================
   REVEAL (animation au scroll)
   ========================================================= */
.reveal { opacity: 0; transform: translateY(28px); transition: opacity .7s var(--ease), transform .7s var(--ease); }
.reveal.in { opacity: 1; transform: none; }

/* Révélation en cascade dans les grilles */
.values__grid .value:nth-child(2), .related__grid .related__card:nth-child(2),
.feature-grid .feature-card:nth-child(2), .pillars__grid .pillar:nth-child(2) { transition-delay: .09s; }
.values__grid .value:nth-child(3), .related__grid .related__card:nth-child(3),
.feature-grid .feature-card:nth-child(3), .pillars__grid .pillar:nth-child(3) { transition-delay: .18s; }
.feature-grid .feature-card:nth-child(4), .pillars__grid .pillar:nth-child(4) { transition-delay: .27s; }
.team__grid .team-card:nth-child(2) { transition-delay: .12s; }

/* =========================================================
   ANIMATIONS & VIE
   ========================================================= */
@keyframes heroIn   { from { opacity: 0; transform: translateY(24px); } to { opacity: 1; transform: none; } }
@keyframes buildFade{ from { opacity: 0; } to { opacity: .85; } }
@keyframes floatY   { 0%, 100% { transform: translateY(0); } 50% { transform: translateY(-16px); } }
@keyframes glowPulse{ 0%, 100% { opacity: .65; transform: scale(1); } 50% { opacity: 1; transform: scale(1.1); } }
@keyframes shimmer  { from { background-position: 200% 0; } to { background-position: -200% 0; } }
@keyframes marquee  { from { transform: translateX(0); } to { transform: translateX(-50%); } }

/* Entrée du hero en cascade */
.hero__inner > * { animation: heroIn .8s var(--ease) both; }
.hero__title       { animation-delay: .05s; }
.hero__subtitle    { animation-delay: .18s; }
.hero__actions     { animation-delay: .30s; }
.hero__reassurance { animation-delay: .42s; }

/* Monolithe qui flotte + halo qui pulse */
.hero__building { animation: buildFade 1.2s ease both, floatY 7s ease-in-out infinite; }
.hero__glow { animation: glowPulse 6.5s ease-in-out infinite; }
.hero__grid { transition: transform .4s var(--ease); will-change: transform; }

/* Icônes & médias réactifs au survol */
.value__icon, .feature-card__icon, .team-card__photo, .pillar__arrow { transition: transform .35s var(--ease); }
.value:hover .value__icon { transform: translateY(-3px) rotate(-6deg); }
.feature-card:hover .feature-card__icon { transform: rotate(-6deg) scale(1.08); }
.team-card:hover .team-card__photo { transform: scale(1.05); }
.related__card:hover span { transform: translateX(6px); }

/* Reflet qui balaie les boutons au survol */
.btn { position: relative; overflow: hidden; }
.btn::after {
  content: ""; position: absolute; top: 0; left: -130%; width: 70%; height: 100%;
  background: linear-gradient(120deg, transparent, rgba(255,255,255,.35), transparent);
  transform: skewX(-20deg); transition: left .6s var(--ease); pointer-events: none;
}
.btn--primary::after, .btn--dark-ghost::after {
  background: linear-gradient(120deg, transparent, rgba(0,0,0,.10), transparent);
}
.btn:hover::after { left: 140%; }

/* Bandeau de services : interactif (glisser + clic) */
.marquee {
  overflow-x: auto; overflow-y: hidden; background: var(--blanc-pur);
  border-block: 1px solid var(--gris); padding: 16px 0;
  cursor: grab; user-select: none; scrollbar-width: none; -ms-overflow-style: none;
}
.marquee::-webkit-scrollbar { display: none; }
.marquee.dragging { cursor: grabbing; }
.marquee__track { display: inline-flex; align-items: center; gap: 34px; width: max-content; padding: 0 34px; }
.marquee__item {
  font-family: var(--font-titre); font-weight: 600; font-size: 1rem;
  color: var(--anthracite); white-space: nowrap; padding: 3px 2px;
  border-bottom: 2px solid transparent; transition: color .2s, border-color .2s;
}
.marquee__item:hover { color: var(--bleu); border-color: var(--bleu); }
.marquee__track .dot { color: var(--gris); font-weight: 700; }

/* Barre de progression de lecture */
.scroll-progress {
  position: fixed; top: 0; left: 0; height: 3px; width: 0; z-index: 200;
  background: linear-gradient(90deg, var(--bleu), var(--lavande));
  transition: width .12s linear; pointer-events: none;
}

/* =========================================================
   RESPONSIVE
   ========================================================= */
@media (max-width: 960px) {
  .nav {
    position: fixed; inset: 74px 0 auto 0;
    background: var(--noir); border-bottom: 1px solid rgba(255,255,255,.12);
    padding: 8px 24px 24px; max-height: calc(100vh - 74px); overflow-y: auto;
    transform: translateY(-135%); transition: transform .4s var(--ease); box-shadow: var(--shadow);
  }
  .nav.open { transform: translateY(0); }
  .nav__list { flex-direction: column; align-items: stretch; gap: 0; }
  .nav__item { position: static; }
  .nav__link { justify-content: space-between; padding: 16px 2px; border-bottom: 1px solid rgba(255,255,255,.1); border-radius: 0; }
  .nav__link:hover { background: transparent; }
  .mega {
    position: static; padding-top: 0; opacity: 1; visibility: visible; transform: none;
    max-height: 0; overflow: hidden; transition: max-height .35s var(--ease);
  }
  .nav__item.open .mega { max-height: 760px; }
  .mega__inner { min-width: 0; background: transparent; border: 0; box-shadow: none; padding: 4px 0 10px; }
  .mega__head { padding: 12px 10px; }
  .mega__link { padding: 10px 10px; }
  .nav__cta { display: block; text-align: center; margin: 14px 0 0; }
  .burger { display: flex; }

  .hero__building { display: none; }
  .hero__inner { max-width: 100%; }

  .values__grid { grid-template-columns: 1fr; }
  .pillars__grid { grid-template-columns: 1fr 1fr; }
  .contact__inner { grid-template-columns: 1fr; gap: 44px; }
  .footer__inner { grid-template-columns: 1fr 1fr; }
  .related__grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 620px) {
  .hero { padding: 150px 0 90px; }
  .pillars__grid { grid-template-columns: 1fr; }
  .pillar { min-height: 0; }
  .pillar p { max-height: 180px; opacity: 1; margin-top: 14px; }
  .pillar__arrow { opacity: 1; transform: none; margin-top: 18px; }
  .feature-grid { grid-template-columns: 1fr; }
  .team__grid { grid-template-columns: 1fr; max-width: 340px; }
  .form__row { grid-template-columns: 1fr; }
  .footer__inner { grid-template-columns: 1fr; }
  .related__grid { grid-template-columns: 1fr; }
  .btn { width: 100%; }
  .hero__actions, .page-hero__actions, .cta-band__actions { flex-direction: column; }
}

@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1; transform: none; transition: none; }
  html { scroll-behavior: auto; }
  .hero__inner > *, .hero__building, .hero__glow, .marquee__track,
  .hero__title span::after { animation: none !important; }
  .hero__building { opacity: .85; }
  .btn::after { display: none; }
  .scroll-progress { display: none; }
}