/* =====================================================================
   Nexial Studio — style.css
   Design system (hi-fi) recréé à partir du design handoff.
   Palette encre sombre + sections claires alternées, accent bleu unique.
   Typo : Space Grotesk (titres/texte) + JetBrains Mono (labels techniques).
   ===================================================================== */

/* ----------------------------- Tokens ------------------------------ */
:root {
  /* Fonds */
  --ink: #0c0e12;            /* fond principal sombre */
  --surface: #101319;        /* cartes / surfaces sombres */
  --footer: #0a0c0f;         /* footer */
  --light: #f3f1ec;          /* sections claires alternées */
  --card-light: #ffffff;     /* cartes sur clair */
  --card-light-2: #fbfaf7;   /* cartes alternatives sur clair */

  /* Accent unique */
  --accent: #3b6fe0;
  --accent-hover: #2f60cf;
  --accent-soft: rgba(59, 111, 224, .07);
  --accent-line: rgba(120, 150, 220, .30);

  /* Texte sur sombre */
  --t-strong: #f2f3f5;
  --t: #e9eaed;
  --t-2: #c4c9d0;
  --t-3: #aeb4bd;
  --t-4: #9aa1ab;
  --t-mut: #8b929c;
  --t-dim: #6f7884;
  --t-faint: #5f6772;
  --brand-2: #7e8794;

  /* Texte sur clair */
  --l-title: #14161a;
  --l-strong: #1a1d22;
  --l-body: #4d545d;
  --l-body-2: #585f68;
  --l-mut: #9097a0;
  --l-dim: #7c7e82;

  /* Bordures */
  --line: rgba(255, 255, 255, .07);
  --line-2: rgba(255, 255, 255, .09);
  --line-3: rgba(255, 255, 255, .12);
  --line-strong: rgba(255, 255, 255, .18);
  --line-light: rgba(12, 14, 18, .09);
  --line-light-2: rgba(12, 14, 18, .10);

  --err: #e0775f;

  /* Type & layout */
  --sans: 'Space Grotesk', system-ui, -apple-system, Segoe UI, Roboto, sans-serif;
  --mono: 'JetBrains Mono', ui-monospace, SFMono-Regular, Menlo, monospace;
  --maxw: 1200px;
  --maxw-narrow: 1100px;
  --pad: clamp(24px, 5vw, 64px);
  --radius: 16px;
  --radius-lg: 18px;
  --radius-sm: 14px;
  --field-radius: 10px;
}

/* ----------------------------- Reset ------------------------------- */
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
html, body { margin: 0; padding: 0; }
body {
  background: var(--ink);
  color: var(--t);
  font-family: var(--sans);
  line-height: 1.5;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
a { text-decoration: none; color: inherit; }
img, svg { display: block; max-width: 100%; }
button { font-family: inherit; }
::selection { background: rgba(59, 111, 224, .30); }

/* Accessibilité : focus visible clavier */
:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
  border-radius: 4px;
}

/* Lien d'évitement */
.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  z-index: 200;
  background: var(--accent);
  color: #fff;
  padding: 10px 18px;
  border-radius: 0 0 10px 0;
  font-size: 14px;
}
.skip-link:focus { left: 0; }

/* --------------------------- Animations ---------------------------- */
@keyframes nodePulse { 0%, 100% { opacity: .35; } 50% { opacity: 1; } }
@keyframes haloPulse { 0%, 100% { opacity: .08; transform: scale(.85); } 50% { opacity: .22; transform: scale(1.15); } }
@keyframes flow { to { stroke-dashoffset: -200; } }
@keyframes riseIn { from { opacity: 0; transform: translateY(14px); } to { opacity: 1; transform: none; } }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: .001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: .001ms !important;
    scroll-behavior: auto !important;
  }
}

/* ---------------------------- Layout ------------------------------- */
.container {
  max-width: var(--maxw);
  margin: 0 auto;
  padding-left: var(--pad);
  padding-right: var(--pad);
}
.container--narrow { max-width: var(--maxw-narrow); }

.section { border-bottom: 1px solid var(--line); }
.section__inner { padding-top: clamp(72px, 9vw, 116px); padding-bottom: clamp(72px, 9vw, 116px); }
.section--light { background: var(--light); color: var(--l-title); border-bottom: 1px solid var(--line-light); }

/* Espaces verticaux utilitaires */
.pt-lg { padding-top: clamp(80px, 10vw, 140px); }
.pb-lg { padding-bottom: clamp(80px, 10vw, 140px); }

/* --------------------------- Typographie --------------------------- */
.eyebrow {
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: .2em;
  text-transform: uppercase;
  color: var(--accent);
  margin: 0 0 22px;
}
.eyebrow--inline {
  display: inline-flex;
  align-items: center;
  gap: 10px;
}
.eyebrow--inline .bar { width: 24px; height: 1px; background: var(--accent); }

h1, h2, h3 { font-weight: 600; letter-spacing: -.02em; line-height: 1.06; margin: 0; }

.display { font-size: clamp(40px, 6.4vw, 76px); line-height: 1; letter-spacing: -.035em; }
.page-title { font-size: clamp(36px, 6vw, 68px); line-height: 1.02; letter-spacing: -.03em; max-width: 18ch; text-wrap: balance; }
.h2 { font-size: clamp(30px, 4.4vw, 52px); line-height: 1.04; letter-spacing: -.025em; }
.h2--sm { font-size: clamp(28px, 4vw, 46px); line-height: 1.06; }
.lead { font-size: clamp(17px, 2vw, 21px); line-height: 1.55; color: var(--t-4); }
.balance { text-wrap: balance; }

/* ----------------------------- Boutons ----------------------------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  font-weight: 500;
  font-size: 15px;
  padding: 13px 24px;
  border-radius: 999px;
  border: 1px solid transparent;
  cursor: pointer;
  transition: background .18s ease, border-color .18s ease, color .18s ease;
  white-space: nowrap;
}
.btn .arrow { font-size: 16px; line-height: 1; }
.btn--primary { background: var(--accent); color: #fff; }
.btn--primary:hover { background: var(--accent-hover); }
.btn--ghost { border-color: var(--line-strong); color: var(--t); }
.btn--ghost:hover { border-color: rgba(255, 255, 255, .4); }
.btn--lg { font-size: 16px; padding: 15px 30px; }

/* ============================== HEADER ============================== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(12, 14, 18, .72);
  backdrop-filter: saturate(140%) blur(12px);
  -webkit-backdrop-filter: saturate(140%) blur(12px);
  border-bottom: 1px solid var(--line);
}
.site-header__bar {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 0 var(--pad);
  height: 72px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}
.brand { display: flex; align-items: center; gap: 12px; flex: none; }
.brand__name { font-weight: 600; font-size: 17px; letter-spacing: -.01em; color: var(--t); }
.brand__name span { color: var(--brand-2); }

.nav {
  display: flex;
  align-items: center;
  gap: 30px;
  font-size: 14px;
}
.nav a { color: var(--t-3); white-space: nowrap; transition: color .15s ease; }
.nav a:hover { color: #fff; }
.nav a.is-active { color: #fff; }

.header__actions { display: flex; align-items: center; gap: 14px; }

/* Sélecteur de langue */
.lang-switch {
  display: flex;
  align-items: center;
  font-family: var(--mono);
  font-size: 12px;
  border: 1px solid var(--line-3);
  border-radius: 999px;
  overflow: hidden;
}
.lang-switch button {
  background: transparent;
  color: var(--t-3);
  border: none;
  padding: 6px 11px;
  cursor: pointer;
  font-size: 12px;
  transition: background .15s ease, color .15s ease;
}
.lang-switch button[aria-pressed="true"] { background: var(--accent); color: #fff; }

/* Bouton menu mobile */
.nav-toggle {
  display: none;
  width: 42px; height: 42px;
  border: 1px solid var(--line-3);
  border-radius: 10px;
  background: transparent;
  cursor: pointer;
  padding: 0;
  align-items: center;
  justify-content: center;
}
.nav-toggle span {
  position: relative;
  width: 18px; height: 1.6px;
  background: var(--t);
  display: block;
  transition: background .15s ease;
}
.nav-toggle span::before,
.nav-toggle span::after {
  content: ""; position: absolute; left: 0;
  width: 18px; height: 1.6px; background: var(--t);
  transition: transform .2s ease;
}
.nav-toggle span::before { top: -6px; }
.nav-toggle span::after { top: 6px; }
.nav-toggle[aria-expanded="true"] span { background: transparent; }
.nav-toggle[aria-expanded="true"] span::before { transform: translateY(6px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] span::after { transform: translateY(-6px) rotate(-45deg); }

/* Menu mobile déroulant */
.mobile-menu {
  display: none;
  border-bottom: 1px solid var(--line);
  background: rgba(12, 14, 18, .96);
  backdrop-filter: blur(12px);
}
.mobile-menu.is-open { display: block; }
.mobile-menu nav {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 14px var(--pad) 22px;
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.mobile-menu nav a {
  padding: 12px 4px;
  font-size: 16px;
  color: var(--t-3);
  border-bottom: 1px solid var(--line);
}
.mobile-menu nav a:hover,
.mobile-menu nav a.is-active { color: #fff; }
.mobile-menu .btn { margin-top: 16px; align-self: flex-start; }

/* =============================== HERO ============================== */
.hero__grid {
  padding-top: clamp(72px, 10vw, 128px);
  padding-bottom: clamp(72px, 9vw, 112px);
  display: grid;
  grid-template-columns: 1.05fr .95fr;
  gap: clamp(32px, 5vw, 72px);
  align-items: center;
}
.hero__sub {
  font-size: clamp(19px, 2.2vw, 26px);
  line-height: 1.32;
  font-weight: 500;
  letter-spacing: -.01em;
  margin: 0 0 22px;
  max-width: 30ch;
  color: var(--t-strong);
}
.hero h1 { margin-bottom: 22px; }
.hero__body { font-size: 16px; line-height: 1.62; color: var(--t-4); margin: 0 0 34px; max-width: 46ch; }
.hero__cta { display: flex; gap: 14px; flex-wrap: wrap; margin-bottom: 40px; }

/* Baseline segmentée */
.baseline {
  display: flex;
  flex-wrap: wrap;
  font-family: var(--mono);
  font-size: 13px;
  color: var(--t-2);
  border-top: 1px solid var(--line-2);
  padding-top: 20px;
}
.baseline span { color: var(--accent); }
.baseline .seg { padding-right: 14px; border-right: 1px solid var(--line-3); }
.baseline .seg + .seg { padding-left: 14px; }

/* Réseau de nœuds */
.node-net { position: relative; aspect-ratio: 1.05 / 1; width: 100%; }
.node-net svg { width: 100%; height: 100%; overflow: visible; }

/* Bandeau de nœuds décoratif (CTA) */
.net-bg { position: absolute; inset: 0; pointer-events: none; opacity: .5; }
.net-bg svg { width: 100%; height: 100%; }

/* ========================= Bloc définition ========================= */
.def-text {
  font-size: clamp(24px, 3.4vw, 40px);
  line-height: 1.32;
  letter-spacing: -.02em;
  font-weight: 500;
  margin: 0;
  color: var(--t-strong);
  text-wrap: balance;
}

/* ========================= En-têtes de section ===================== */
.sec-head {
  display: flex;
  flex-wrap: wrap;
  align-items: end;
  justify-content: space-between;
  gap: 24px;
  margin-bottom: 56px;
}
.sec-head .h2 { max-width: 18ch; }
.sec-head__intro { font-size: 16px; line-height: 1.6; color: var(--t-4); max-width: 36ch; margin: 0; }
.section--light .sec-head__intro { color: var(--l-body-2); }
.sec-head--stack { display: block; margin-bottom: 44px; }
.sec-head--stack .eyebrow { margin-bottom: 20px; }

/* ============================ Grilles ============================== */
.grid { display: grid; gap: 24px; }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }

/* Grilles "tuiles" avec lignes de séparation 1px */
.tile-grid {
  display: grid;
  gap: 1px;
  border-radius: var(--radius);
  overflow: hidden;
}
.tile-grid--4 { grid-template-columns: repeat(4, 1fr); background: var(--line-light-2); border: 1px solid var(--line-light-2); }
.tile-grid--5-dark { grid-template-columns: repeat(5, 1fr); background: var(--line-2); border: 1px solid var(--line-2); }
.tile-grid--2-light { grid-template-columns: repeat(2, 1fr); background: var(--line-light-2); border: 1px solid var(--line-light-2); }

/* ====================== Cartes : 3 piliers ======================== */
.pillar {
  background: var(--card-light);
  border: 1px solid var(--line-light);
  border-radius: var(--radius);
  padding: 34px 30px;
  display: flex;
  flex-direction: column;
  min-height: 340px;
}
.pillar__top { display: flex; align-items: center; justify-content: space-between; margin-bottom: 26px; }
.pillar__num { font-family: var(--mono); font-size: 13px; color: var(--accent); }
.dot { width: 8px; height: 8px; border-radius: 999px; background: var(--accent); flex: none; }
.pillar h3 { font-size: 23px; letter-spacing: -.01em; margin: 0 0 6px; }
.pillar__sub { font-size: 14px; color: var(--accent); font-weight: 500; margin-bottom: 16px; }
.pillar__desc { font-size: 15px; line-height: 1.6; color: var(--l-body); margin: 0 0 24px; }
.pillar__q { margin-top: auto; border-top: 1px solid var(--line-light); padding-top: 18px; }
.q-label {
  font-family: var(--mono); font-size: 11px; letter-spacing: .12em;
  text-transform: uppercase; color: var(--l-mut); margin-bottom: 8px;
}
.pillar__q p { font-size: 15px; line-height: 1.45; font-weight: 500; margin: 0; color: var(--l-strong); }

/* ===================== Tuiles : produits (light) ================== */
.product {
  background: var(--card-light-2);
  padding: 30px 26px;
  min-height: 210px;
  display: flex;
  flex-direction: column;
}
.product__num { font-family: var(--mono); font-size: 12px; color: var(--l-mut); margin-bottom: 22px; }
.product h3 { font-size: 18px; letter-spacing: -.01em; margin: 0 0 12px; line-height: 1.2; }
.product p { font-size: 14px; line-height: 1.55; color: var(--l-body-2); margin: 0; }

/* ===================== Tuiles : méthode (steps) ================== */
.step { padding: 28px 22px; min-height: 260px; display: flex; flex-direction: column; }
.step--dark { background: var(--surface); }
.step--light { background: var(--card-light-2); min-height: 270px; }
.step__num { font-family: var(--mono); font-size: 13px; color: var(--accent); margin-bottom: 24px; }
.step h3 { font-size: 17px; letter-spacing: -.01em; line-height: 1.22; margin: 0 0 12px; }
.step__desc { font-size: 13.5px; line-height: 1.55; margin: 0 0 20px; }
.step--dark .step__desc { color: var(--t-mut); }
.step--light .step__desc { color: var(--l-body-2); }
.step__deliv { margin-top: auto; padding-top: 14px; }
.step--dark .step__deliv { border-top: 1px solid rgba(255, 255, 255, .08); }
.step--light .step__deliv { border-top: 1px solid var(--line-light-2); }
.deliv-label {
  font-family: var(--mono); font-size: 10px; letter-spacing: .1em;
  text-transform: uppercase; margin-bottom: 6px;
}
.step--dark .deliv-label { color: var(--t-dim); }
.step--light .deliv-label { color: var(--l-mut); }
.step__deliv p { font-size: 13px; line-height: 1.4; margin: 0; }
.step--dark .step__deliv p { color: var(--t-2); }
.step--light .step__deliv p { color: #3a4049; }

/* ===================== Cartes : offres (home) ==================== */
.offer {
  background: var(--card-light);
  border: 1px solid var(--line-light);
  border-radius: var(--radius);
  padding: 36px 34px;
  display: flex;
  flex-direction: column;
}
.offer__head { display: flex; align-items: baseline; gap: 14px; margin-bottom: 14px; }
.offer__num { font-family: var(--mono); font-size: 13px; color: var(--accent); }
.offer h3 { font-size: 22px; letter-spacing: -.015em; margin: 0; line-height: 1.15; }
.offer__desc { font-size: 15px; line-height: 1.6; color: var(--l-body); margin: 0 0 24px; max-width: 46ch; }
.tags { display: flex; flex-wrap: wrap; gap: 8px; margin-top: auto; }
.tag {
  font-family: var(--mono); font-size: 12px; color: #3a4049;
  background: var(--light); border: 1px solid rgba(12, 14, 18, .08);
  border-radius: 999px; padding: 5px 11px;
}

/* =============== Cas d'usage : cartes avec visuel =============== */
.case {
  background: var(--card-light);
  border: 1px solid var(--line-light);
  border-radius: var(--radius);
  overflow: hidden;
  display: flex;
  flex-direction: column;
}
.case__media {
  aspect-ratio: 16 / 10;
  background-color: #e7e3da;
  background-image: repeating-linear-gradient(135deg, #e7e3da 0 11px, #efece4 11px 22px);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 16px;
  border-bottom: 1px solid rgba(12, 14, 18, .07);
}
.case__media span {
  font-family: var(--mono); font-size: 11px; letter-spacing: .04em;
  color: var(--l-dim); text-align: center; line-height: 1.5; text-transform: uppercase;
}
/* Variante avec vraie photo : l'image remplit le cadre (recadrage propre) */
.case__media--photo { padding: 0; background-image: none; background-color: #e7e3da; }
.case__media--photo img { width: 100%; height: 100%; object-fit: cover; display: block; }
.case__body { padding: 24px 24px 28px; display: flex; flex-direction: column; flex: 1; }
.case__tag {
  font-family: var(--mono); font-size: 11px; letter-spacing: .1em;
  text-transform: uppercase; color: var(--accent); margin-bottom: 12px;
}
.case h3 { font-size: 19px; letter-spacing: -.01em; margin: 0 0 10px; line-height: 1.2; }
.case p { font-size: 14px; line-height: 1.55; color: var(--l-body-2); margin: 0; }

/* Carte cas compacte (sans visuel) */
.case--plain { padding: 28px 26px; min-height: 200px; }
.case--plain .case__top { display: flex; align-items: center; justify-content: space-between; margin-bottom: 22px; }
.case--plain h3 { font-size: 18px; }

/* Liste de cas compacte (home) */
.case-row { background: var(--card-light-2); padding: 22px 24px; display: flex; align-items: center; gap: 14px; }
.case-row .dot--sm { width: 7px; height: 7px; border-radius: 999px; background: var(--accent); flex: none; }
.case-row span:last-child { font-size: 15px; font-weight: 500; letter-spacing: -.01em; }

/* ===================== CTA contact (dark) ======================= */
.cta { position: relative; overflow: hidden; }
.cta__inner { position: relative; text-align: center; max-width: 760px; margin: 0 auto; }
.cta__inner--wide { max-width: 900px; }
.cta h2 { font-size: clamp(32px, 5vw, 60px); line-height: 1.05; letter-spacing: -.03em; margin: 0 0 22px; text-wrap: balance; }
.cta__body { font-size: 17px; line-height: 1.6; color: var(--t-4); margin: 0 auto 38px; max-width: 52ch; }
.cta__statement {
  font-size: clamp(24px, 3.4vw, 40px); line-height: 1.3; letter-spacing: -.02em;
  font-weight: 500; color: var(--t-strong); margin: 0 0 40px; text-wrap: balance;
}

/* ===================== Approach : blocs détaillés ================ */
.approach-block {
  display: grid;
  grid-template-columns: .85fr 2fr;
  gap: clamp(24px, 5vw, 64px);
  padding: clamp(44px, 6vw, 72px) 0;
  border-top: 1px solid var(--line-2);
}
.approach-block__num { font-family: var(--mono); font-size: 13px; color: var(--accent); margin-bottom: 18px; }
.approach-block h2 { font-size: clamp(24px, 3vw, 34px); line-height: 1.08; letter-spacing: -.02em; margin: 0 0 8px; }
.approach-block__sub { font-size: 15px; color: var(--accent); font-weight: 500; }
.approach-block__lead {
  font-size: clamp(17px, 1.8vw, 20px); line-height: 1.5; color: #dfe2e6;
  font-weight: 500; letter-spacing: -.01em; margin: 0 0 28px; max-width: 52ch;
}
.point-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 12px 28px; margin-bottom: 30px; }
.point { display: flex; gap: 12px; align-items: flex-start; }
.point .dot--sm { width: 7px; height: 7px; border-radius: 999px; background: var(--accent); margin-top: 7px; flex: none; }
.point span:last-child { font-size: 15px; line-height: 1.5; color: var(--t-3); }
.q-box {
  border: 1px solid var(--line-3); border-radius: var(--radius-sm);
  padding: 20px 24px; background: var(--surface);
}
.q-box .q-label { color: var(--t-dim); letter-spacing: .14em; }
.q-box p { font-size: 16px; line-height: 1.45; font-weight: 500; margin: 0; color: var(--t-strong); }

/* ===================== Services : offre large ================== */
.offer-row {
  background: var(--surface);
  border: 1px solid var(--line-2);
  border-radius: var(--radius-lg);
  padding: clamp(28px, 3.4vw, 44px);
  display: grid;
  grid-template-columns: 1fr 1.15fr;
  gap: clamp(24px, 4vw, 56px);
  align-items: start;
}
.offer-row__num { font-family: var(--mono); font-size: 13px; color: var(--accent); margin-bottom: 18px; }
.offer-row h2 { font-size: clamp(22px, 2.6vw, 30px); line-height: 1.1; letter-spacing: -.02em; margin: 0 0 16px; }
.offer-row__desc { font-size: 16px; line-height: 1.6; color: var(--t-4); margin: 0; }
.incl-label {
  font-family: var(--mono); font-size: 10px; letter-spacing: .14em;
  text-transform: uppercase; color: var(--t-dim); margin-bottom: 16px;
}
.incl-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 11px 22px; }
.incl { display: flex; gap: 11px; align-items: center; }
.incl .dot--xs { width: 6px; height: 6px; border-radius: 999px; background: var(--accent); flex: none; }
.incl span:last-child { font-size: 14.5px; color: var(--t-2); }

/* Maintenance & évolution (tuiles claires) */
.split { display: grid; grid-template-columns: .9fr 1.1fr; gap: clamp(32px, 5vw, 72px); align-items: start; }
.split h2 { font-size: clamp(28px, 3.6vw, 44px); line-height: 1.06; letter-spacing: -.025em; margin: 0 0 18px; max-width: 14ch; }
.split__lead { font-size: 16px; line-height: 1.6; color: var(--l-body-2); margin: 0; max-width: 42ch; }
.maint { background: var(--card-light-2); padding: 24px 22px; min-height: 120px; }
.maint .dot { margin-bottom: 16px; }
.maint__t { font-size: 15px; font-weight: 600; letter-spacing: -.01em; margin-bottom: 6px; }
.maint__d { font-size: 13.5px; line-height: 1.5; color: var(--l-body-2); }

/* ===================== About : narratif ======================= */
.narrative { display: grid; grid-template-columns: .5fr 1.5fr; gap: clamp(24px, 5vw, 64px); }
.narrative__label { font-family: var(--mono); font-size: 12px; letter-spacing: .16em; text-transform: uppercase; color: var(--t-dim); }
.narrative__body { display: flex; flex-direction: column; gap: 26px; }
.narrative__lead { font-size: clamp(19px, 2.2vw, 26px); line-height: 1.45; letter-spacing: -.015em; font-weight: 500; color: var(--t-strong); margin: 0; }
.narrative__body p { font-size: 17px; line-height: 1.62; color: var(--t-3); margin: 0; }

.not-list { display: flex; flex-direction: column; gap: 14px; }
.not-list .item { display: flex; align-items: center; gap: 14px; color: #8a9099; }
.not-list .x { font-family: var(--mono); font-size: 15px; color: #b9bdc4; }
.not-list .item span:last-child { font-size: 17px; text-decoration: line-through; text-decoration-color: rgba(20, 22, 26, .22); }
.not-counter { font-size: clamp(22px, 3vw, 34px); line-height: 1.3; letter-spacing: -.02em; font-weight: 500; margin: 0; color: var(--l-title); text-wrap: balance; }

.competence { background: var(--card-light); border: 1px solid var(--line-light); border-radius: var(--radius); padding: 38px 34px; }
.competence__num { font-family: var(--mono); font-size: 13px; color: var(--accent); margin-bottom: 20px; }
.competence h3 { font-size: 22px; letter-spacing: -.015em; margin: 0 0 12px; }
.competence p { font-size: 15.5px; line-height: 1.6; color: var(--l-body); margin: 0; }

.diff { background: var(--surface); padding: 26px 22px; min-height: 200px; display: flex; flex-direction: column; }
.diff__num { font-family: var(--mono); font-size: 13px; color: var(--accent); margin-bottom: 22px; }
.diff h3 { font-size: 16px; letter-spacing: -.01em; line-height: 1.22; margin: 0 0 10px; }
.diff p { font-size: 13px; line-height: 1.5; color: var(--t-mut); margin: 0; }

/* ===================== Contact : formulaire =================== */
.contact-grid { display: grid; grid-template-columns: 1.5fr 1fr; gap: clamp(32px, 5vw, 72px); align-items: start; }
.form { display: flex; flex-direction: column; gap: 22px; }
.field-row { display: grid; grid-template-columns: 1fr 1fr; gap: 22px; }
.field label { display: block; font-size: 13px; font-weight: 500; color: var(--t-2); margin-bottom: 8px; }
.field label .req { color: var(--accent); }
.field label .opt { color: var(--t-dim); }
.field input,
.field select,
.field textarea {
  width: 100%;
  background: var(--surface);
  border: 1px solid var(--line-3);
  border-radius: var(--field-radius);
  padding: 12px 14px;
  color: var(--t);
  font-size: 15px;
  font-family: var(--sans);
}
.field textarea { line-height: 1.5; resize: vertical; min-height: 130px; }
.field input::placeholder, .field textarea::placeholder { color: var(--t-faint); }
.field input:focus, .field select:focus, .field textarea:focus { outline: none; border-color: var(--accent); }
.field select option { background: #14171c; color: var(--t); }
.field-error { font-size: 12.5px; color: var(--err); margin-top: 6px; min-height: 0; }
.field input[aria-invalid="true"],
.field textarea[aria-invalid="true"] { border-color: var(--err); }

/* Honeypot */
.hp { position: absolute; left: -9999px; width: 1px; height: 1px; opacity: 0; }

.consent { }
.consent label { display: flex; gap: 11px; align-items: flex-start; cursor: pointer; }
.consent input { margin-top: 2px; width: 16px; height: 16px; accent-color: var(--accent); flex: none; cursor: pointer; }
.consent .txt { font-size: 13.5px; line-height: 1.5; color: var(--t-4); }
.consent a { color: var(--accent); }
.consent a:hover { text-decoration: underline; }

.form__actions { display: flex; align-items: center; gap: 18px; flex-wrap: wrap; margin-top: 6px; }
.form__hint { font-family: var(--mono); font-size: 12px; color: var(--t-dim); }
.form__status { font-size: 14px; margin: 0; min-height: 0; }
.form__status.is-error { color: var(--err); }

/* États succès / erreur après envoi */
.form-result {
  border: 1px solid rgba(59, 111, 224, .4);
  background: var(--surface);
  border-radius: var(--radius-lg);
  padding: 44px 40px;
  text-align: center;
}
.form-result__icon {
  width: 48px; height: 48px; border-radius: 999px;
  background: rgba(59, 111, 224, .16);
  display: flex; align-items: center; justify-content: center;
  margin: 0 auto 22px;
}
.form-result h3 { font-size: 24px; letter-spacing: -.015em; margin: 0 0 12px; }
.form-result p { font-size: 16px; line-height: 1.6; color: var(--t-4); margin: 0 auto; max-width: 42ch; }
[hidden] { display: none !important; }

/* Panneau infos contact */
.info-stack { display: flex; flex-direction: column; gap: 28px; }
.info-card { border: 1px solid var(--line-2); border-radius: var(--radius); padding: 28px 26px; }
.info-card__label {
  font-family: var(--mono); font-size: 11px; letter-spacing: .14em;
  text-transform: uppercase; color: var(--t-dim); margin-bottom: 20px;
}
.next-steps { display: flex; flex-direction: column; gap: 18px; }
.next-step { display: flex; gap: 14px; align-items: flex-start; }
.next-step__n { font-family: var(--mono); font-size: 12px; color: var(--accent); margin-top: 2px; }
.next-step__t { font-size: 15px; font-weight: 600; margin-bottom: 3px; }
.next-step__d { font-size: 13.5px; line-height: 1.5; color: var(--t-mut); }
.info-card a.mail { font-size: 16px; color: var(--t); font-weight: 500; }
.info-card a.mail:hover { color: var(--accent); }
.info-card .resp { font-size: 13.5px; line-height: 1.55; color: var(--t-mut); margin: 14px 0 0; }

/* ===================== Legal ============================== */
.legal-notice {
  display: flex; align-items: flex-start; gap: 12px; max-width: 70ch;
  border: 1px solid rgba(59, 111, 224, .3); background: var(--accent-soft);
  border-radius: 12px; padding: 14px 18px;
}
.legal-notice .i { font-family: var(--mono); font-size: 13px; color: var(--accent); margin-top: 1px; }
.legal-notice p { font-size: 13.5px; line-height: 1.55; color: var(--t-3); margin: 0; }

.legal-grid { display: grid; grid-template-columns: 240px 1fr; gap: clamp(28px, 4vw, 64px); align-items: start; }
.legal-nav { position: sticky; top: 96px; display: flex; flex-direction: column; gap: 4px; }
.legal-nav a {
  text-align: left; border-left: 2px solid transparent; color: var(--t-mut);
  font-size: 14.5px; padding: 10px 16px; border-radius: 0 8px 8px 0;
  transition: color .15s ease, background .15s ease;
}
.legal-nav a:hover { color: var(--t); }
.legal-nav a.is-active { color: #fff; background: rgba(59, 111, 224, .10); border-left-color: var(--accent); }

.legal-doc { max-width: 760px; scroll-margin-top: 96px; }
.legal-doc + .legal-doc { margin-top: clamp(48px, 6vw, 80px); padding-top: clamp(48px, 6vw, 80px); border-top: 1px solid var(--line-2); }
.legal-doc h2 { font-size: clamp(24px, 3vw, 34px); line-height: 1.1; letter-spacing: -.02em; margin: 0 0 8px; }
.legal-doc__updated { font-family: var(--mono); font-size: 12px; color: var(--t-dim); margin-bottom: 28px; }
.legal-doc__intro { font-size: 16px; line-height: 1.7; color: var(--t-3); margin: 0 0 32px; }
.legal-blocks { display: flex; flex-direction: column; gap: 30px; }
.legal-blocks h3 { font-size: 17px; letter-spacing: -.01em; color: var(--t-strong); margin: 0 0 12px; }
.legal-blocks p { font-size: 15px; line-height: 1.7; color: var(--t-3); margin: 0 0 10px; }
.legal-blocks ul { list-style: none; margin: 6px 0 0; padding: 0; display: flex; flex-direction: column; gap: 9px; }
.legal-blocks li { display: flex; gap: 12px; align-items: flex-start; }
.legal-blocks li::before { content: ""; width: 6px; height: 6px; border-radius: 999px; background: var(--accent); margin-top: 8px; flex: none; }
.legal-blocks li span { font-size: 15px; line-height: 1.6; color: var(--t-2); }

/* =============================== FOOTER ============================ */
.site-footer { border-top: 1px solid var(--line-2); background: var(--footer); color: var(--t); }
.site-footer__top {
  max-width: var(--maxw); margin: 0 auto;
  padding: 60px var(--pad) 44px;
  display: grid; grid-template-columns: 1.6fr 1fr 1fr; gap: 40px;
}
.footer-brand { display: flex; align-items: center; gap: 12px; margin-bottom: 18px; }
.footer-brand span { font-weight: 600; font-size: 15px; color: var(--t); }
.footer__tagline { font-size: 13.5px; line-height: 1.62; color: var(--brand-2); max-width: 38ch; margin: 0 0 16px; }
.footer__domain { font-family: var(--mono); font-size: 12px; color: var(--t-faint); }
.footer-col__label {
  font-family: var(--mono); font-size: 11px; letter-spacing: .14em;
  text-transform: uppercase; color: var(--t-faint); margin-bottom: 16px;
}
.footer-col__links { display: flex; flex-direction: column; gap: 11px; font-size: 14px; }
.footer-col__links a { color: var(--t-3); transition: color .15s ease; }
.footer-col__links a:hover { color: #fff; }
.site-footer__bottom {
  max-width: var(--maxw); margin: 0 auto;
  padding: 20px var(--pad) 34px;
  border-top: 1px solid rgba(255, 255, 255, .06);
  display: flex; flex-wrap: wrap; justify-content: space-between; gap: 12px;
  font-family: var(--mono); font-size: 12px; color: var(--t-faint);
}
.site-footer__bottom .baseline-txt { color: #6b7480; }

/* Apparition douce au scroll */
.reveal { opacity: 0; transform: translateY(14px); }
.reveal.is-in { animation: riseIn .6s ease forwards; }

/* =========================== RESPONSIVE =========================== */
@media (max-width: 1000px) {
  .hero__grid { grid-template-columns: 1fr; gap: 40px; }
  .node-net { max-width: 460px; margin: 0 auto; order: -1; }
  .tile-grid--4 { grid-template-columns: repeat(2, 1fr); }
  .tile-grid--5-dark { grid-template-columns: repeat(2, 1fr); }
  .grid-3 { grid-template-columns: repeat(2, 1fr); }
  .approach-block { grid-template-columns: 1fr; gap: 20px; }
  .offer-row { grid-template-columns: 1fr; gap: 28px; }
  .split { grid-template-columns: 1fr; }
  .narrative { grid-template-columns: 1fr; gap: 14px; }
  .contact-grid { grid-template-columns: 1fr; }
  .legal-grid { grid-template-columns: 1fr; }
  .legal-nav { position: static; flex-direction: row; flex-wrap: wrap; gap: 6px; }
  .legal-nav a { border-left: none; border-bottom: 2px solid transparent; border-radius: 8px; }
  .legal-nav a.is-active { border-left: none; border-bottom-color: var(--accent); }
}

@media (max-width: 860px) {
  .nav { display: none; }
  .header__actions .header-contact-btn { display: none; }
  .nav-toggle { display: inline-flex; }
}

@media (max-width: 720px) {
  .grid-2 { grid-template-columns: 1fr; }
  .grid-3 { grid-template-columns: 1fr; }
  .tile-grid--4 { grid-template-columns: 1fr; }
  .tile-grid--5-dark { grid-template-columns: 1fr; }
  .tile-grid--2-light { grid-template-columns: 1fr; }
  .field-row { grid-template-columns: 1fr; }
  .point-grid { grid-template-columns: 1fr; }
  .incl-grid { grid-template-columns: 1fr; }
  .competence-grid { grid-template-columns: 1fr; }
  .site-footer__top { grid-template-columns: 1fr; gap: 32px; }
  .sec-head { display: block; }
  .sec-head__intro { margin-top: 20px; }
  .not-section { grid-template-columns: 1fr !important; }
}

@media (max-width: 480px) {
  .baseline { font-size: 12px; }
  .baseline .seg { border-right: none; padding-right: 0; flex-basis: 100%; margin-bottom: 6px; }
  .baseline .seg + .seg { padding-left: 0; }
}