:root{
  /* Thème */
  --bg:#0a2333;         /* foncé unique PARTOUT */
  --paper:#ffffff;      /* clair : blanc */
  --ink:#0e141b;        /* texte foncé */
  --ink-2:#1c2430;
  --muted:#6b7380; --muted-2:#8a94a6;

  --brand:#ef7d00;      /* CTA & accents */
  --brand-2:#ffb45a;
  --ok:#10b981; --warn:#f59e0b; --err:#ef4444;

  --radius:16px; --shadow:0 10px 24px rgba(20,24,40,.08);
  --wrap:1160px;
  --pad:clamp(16px,4vw,24px);
  --h1:clamp(28px,5vw,44px);
  --h2:clamp(20px,3vw,28px);
  --h3:clamp(18px,2.4vw,22px);
  --text:16px;
  --header-h:72px;
}

/* Resets & helpers */
*{box-sizing:border-box}
[hidden]{display:none !important}
html{scroll-behavior:smooth}
body{
  margin:0;color:#fff;
  font:400 var(--text)/1.6 system-ui,-apple-system,"Segoe UI",Roboto,Inter,Arial,sans-serif;
  background: var(--bg);
}
img{max-width:100%;height:auto;display:block}
a{color:inherit;text-decoration:none}
h1,h2,h3{margin:0 0 10px}
.h1{font-size:var(--h1);line-height:1.12;font-weight:900}
.h2{font-size:var(--h2);font-weight:800;color:#fff}
.h3{font-size:var(--h3);font-weight:700;color:var(--ink)}
.muted{color:#cbd5e1}
.footnote{color:#c3d5ff;font-size:14px}

.container{max-width:var(--wrap);margin-inline:auto;padding-inline:var(--pad)}
.section{padding-block:clamp(28px,6vw,96px);scroll-margin-top: calc(var(--header-h) + 16px);}

/* Modificateurs d’arrière-plan */
.section--paper{
  background: var(--paper);
  color: var(--ink);
}
.section--paper .h2{ color: var(--ink); }
.section--paper .muted{ color:#4b5563; }

/* Grids */
.grid{display:grid;gap:16px}
.grid--2col{grid-template-columns:1fr}
.grid--3col{grid-template-columns:1fr}
@media (min-width:768px){
  .grid--2col{grid-template-columns:1fr 1fr}
  .grid--3col{grid-template-columns:repeat(3,1fr)}
}

/* Header & nav (toujours foncé) */
.site-header{ z-index:200; position:relative; }
.nav{
  background:rgba(10,35,51,.88);
  backdrop-filter:blur(8px);
  border-bottom:1px solid rgba(255,255,255,.10);
  position:sticky; top:0; z-index:40;
}
.nav__inner{display:flex;align-items:center;justify-content:space-between;padding-block:10px}
.brand{display:flex;gap:10px;align-items:center}
.brand__badge{width:28px;height:28px;border-radius:10px;background:linear-gradient(135deg,var(--brand),var(--brand-2));box-shadow:0 6px 18px rgba(239,125,0,.35)}
.brand__name{font-weight:800;letter-spacing:.3px}
.nav__toggle{display:inline-flex;background:transparent;border:1px solid rgba(255,255,255,.25);color:#fff;border-radius:8px;padding:8px}
.nav__menu{display:none;gap:10px;align-items:center;flex-wrap:wrap}
.nav__link{padding:8px 12px;border-radius:12px}
.nav__link:hover{background:rgba(255,255,255,.10)}

/* Mobile menu */
@media (max-width:1023px){
  .nav__inner{ position: relative; }
  .nav__menu{
    position:absolute; top:100%; left:0; right:0;
    display:none; flex-direction:column; gap:10px;
    padding:10px var(--pad); background:rgba(10,35,51,.98);
    border-bottom:1px solid rgba(255,255,255,.12);
    z-index: 50;
  }
  .nav__menu.is-open{ display:flex; }
}

/* Desktop : header fixe + compensation */
@media (min-width:1024px){
  .nav__toggle{display:none}
  .nav__menu{display:flex}
  .site-header{ position:fixed; top:0; left:0; right:0; }
  body{ padding-top: var(--header-h); }
}

/* Buttons */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:10px;
  border-radius:999px;padding:12px 16px;border:0;background:var(--brand);color:#0e141b;
  font-weight:800;cursor:pointer;box-shadow:0 6px 20px rgba(239,125,0,.35)
}
.btn--ghost{
  background:transparent;border:1px solid rgba(255,255,255,.25);color:#fff;box-shadow:none
}
.section--paper .btn--ghost{
  color: var(--ink);
  border-color:#d1dae6;
}
.section--paper .btn--ghost:hover{ background:#f3f6fb; }

/* HERO (foncé) */
.hero{ background: var(--bg); }
.hero__inner{
  display:grid;gap:16px;
  grid-template-columns:1fr; grid-template-areas:"content" "card";
}
.hero__content{ grid-area:content; }
.hero__content .subhead{color:#e6f0ff;opacity:.92;margin:8px 0}
.benefits{margin:8px 0 0;padding-left:18px}
.benefits li{margin:4px 0}
.chip{display:inline-flex;gap:6px;align-items:center;border:1px solid rgba(255,255,255,.22);border-radius:999px;padding:6px 10px;font-size:12px;margin-top:10px}
.cta-row{display:flex;gap:10px;flex-wrap:wrap;margin-top:14px}
.hero__card{ grid-area:card; align-self:center; }
@media (min-width:1024px){
  .hero__inner{
    grid-template-columns: 1.2fr 1fr;
    grid-template-areas: "content card";
    align-items:center; min-height: clamp(560px, 80vh, 780px);
  }
}

/* Cards, rows, tags (toujours blancs) */
.card{background:#fff;color:var(--ink);border-radius:var(--radius);box-shadow:var(--shadow);padding:16px}
.card--flat{padding:0;overflow:hidden}
.row{display:flex;align-items:center;justify-content:space-between;gap:12px;border:1px solid #eef2f7;border-radius:12px;padding:10px 12px}
.kpi{display:flex;gap:8px;align-items:center;color:var(--ink);font-weight:800}
.tag{font-size:11px;border-radius:6px;padding:3px 8px;color:#fff;line-height:1.2;background:#64748b}
.tag--ok{background:var(--ok)} .tag--warn{background:var(--warn)} .tag--err{background:var(--err)}

/* Steps (stacking clair) */
.steps--stack{ list-style:none; margin:20px 0 0; padding:0; display:grid; gap:12px; }
.steps--stack > li::marker{ content:""; }
.steps--stack .step{
  position:relative;background:#fff;color:var(--ink);
  border:1px solid #e6edf7;border-radius:16px;padding:14px;
  box-shadow:0 6px 16px rgba(20,24,40,.05);
  opacity:0; transform:translateY(14px);
  transition:opacity .45s ease, transform .45s ease, box-shadow .3s ease;
}
.steps--stack .step.is-in{ opacity:1; transform:none; }
.steps--stack .step__head{ display:flex; align-items:center; gap:10px; }
.steps--stack .step__num{
  width:34px; height:34px; border-radius:12px; display:grid; place-items:center; font-weight:900;
  background:linear-gradient(135deg,var(--brand),var(--brand-2)); color:#0e141b;
  box-shadow:0 6px 16px rgba(239,125,0,.22);
}
.steps--stack .step__title{ margin:0; font-size:18px; font-weight:800; color:var(--ink); }
.steps--stack .step__desc{ margin:6px 0 0; color:#4b5563; }
@media (min-width:900px){
  .steps--stack{ gap:0; }
  .steps--stack .step{
    position:sticky; top: calc(var(--header-h) + 24px);
    margin-top:-20px; padding-bottom:36px; z-index:auto;
  }
  .steps--stack .step:first-child{ margin-top:0; }
  .steps--stack .step:hover{ box-shadow:0 10px 24px rgba(20,24,40,.08); }
}

/* --- OFFRES & SERVICES : CARROUSEL --- */
.offer-carousel{ position:relative; margin-top:14px; }
.offer-viewport{
  overflow:hidden;
  padding-inline: var(--peek, 64px); /* aperçu latéral des slides */
}
.offer-track{
  display:flex; align-items:stretch; gap:16px;
  will-change: transform; transform: translateX(0);
}
.offer{ flex:0 0 auto; width:100%; transition: transform .3s ease, opacity .3s ease; }
.card--offer{ min-height: 260px; display:grid; gap:10px; }
.offer.is-active{ transform: scale(1.0); opacity:1; }
.offer.is-near{ transform: scale(.98); opacity:.95; }
.offer:not(.is-active):not(.is-near){ transform: scale(.94); opacity:.85; }

/* Boutons nav */
.offer-nav{
  position:absolute; top:50%; transform:translateY(-50%);
  width:40px; height:40px; border-radius:999px; border:1px solid rgba(255,255,255,.35);
  background:rgba(10,35,51,.6); color:#fff; font-size:22px;
  display:grid; place-items:center; cursor:pointer; z-index:5;
}
.offer-prev{ left:8px; }
.offer-next{ right:8px; }
.offer-nav:hover{ background:rgba(255,255,255,.1); }

/* Sur section claire, nav adaptée (si jamais on reuse) */
.section--paper .offer-nav{
  background:#fff; color:var(--ink); border-color:#d1dae6;
  box-shadow:0 6px 16px rgba(20,24,40,.1);
}

/* Metrics & testimonials */
.metrics .metric{display:grid;place-items:center;padding:20px}
.metric__value{font-size:clamp(24px,4vw,36px);font-weight:900;}
.section .metric__value{ color:#fff; }
.section--paper .metric__value{ color:var(--ink); }
.metric__label{ color:#cbd5e1; }
.section--paper .metric__label{ color:#4b5563; }
.testimonials{margin-top:10px}
.quote{margin:0;background:#fff;color:var(--ink);border-left:4px solid var(--brand);padding:12px;border-radius:12px}

/* Checklist */
.section--paper .lead{ color: var(--ink); opacity:1; }
.checklist{ list-style:none; padding:0; margin:12px auto 0; display:grid; gap:10px; max-width:780px; }
.checklist li{ display:flex; align-items:flex-start; gap:10px; color: var(--ink); }
.checklist li::before{
  content:"✓"; display:grid; place-items:center; width:22px; height:22px; border-radius:8px;
  background:var(--ok); color:#fff; font-weight:900; line-height:1; margin-top:1px;
}

/* FAQ les cartes si réutilisation ailleurs */
.faq{background:#fff;color:var(--ink);border:1px solid #e6edf7;border-radius:12px;padding:12px}
.faq+ .faq{margin-top:8px}
.faq summary{cursor:pointer;font-weight:700}

/* Form */
.form{display:grid;gap:12px}
.form-field{display:flex;flex-direction:column;gap:6px}
.form-field label{font-weight:700}
input,select,textarea{
  width:100%;padding:12px 14px;border:1px solid #dfe7f0;border-radius:12px;background:#fff;color:var(--ink)
}
input:focus-visible,select:focus-visible,textarea:focus-visible{outline:3px solid rgba(239,125,0,.4)}
.error{min-height:1.2em;color:var(--err);font-size:14px;margin:0}
.form-status{margin:6px 0 0}
.form-actions{
  display:flex;align-items:center;gap:12px;flex-wrap:wrap;
}
.form-actions > .consent{
  display:inline-flex;align-items:center;gap:4px;margin:0;line-height:1.2;color:var(--muted);
  flex:1 1 auto;min-width:260px;
}
.form-actions > .consent input[type="checkbox"]{
  margin:0; inline-size:18px; block-size:18px; vertical-align:middle;
}
.form-actions > .consent span{ display:inline; white-space:normal; }
.form-actions > .btn{ flex:0 0 auto; position:static; }
@media (max-width:600px){
  .form-actions > .consent{ min-width:100%; }
  .form-actions > .btn{ width:100%; }
}

/* Footer (foncé) */
.footer{border-top:1px solid rgba(255,255,255,.12);color:#c3d5ff;padding-block:22px}
.footer__inner{display:grid;gap:12px}
.footer__nav a{margin-right:12px}
@media (min-width:768px){
  .footer__inner{grid-template-columns:1fr auto auto;align-items:start}
}

/* Sticky CTA mobile */
.sticky-cta{position:fixed;left:var(--pad);right:var(--pad);bottom:16px;display:none;z-index:900}
@media (max-width:900px){ .sticky-cta{display:block} }

/* Cookie banner (clair) */
.cookie-banner{
  position:fixed;left:var(--pad);right:var(--pad);bottom:16px;z-index:1000;
  background:#fff;color:var(--ink);border:1px solid #e6edf7;border-radius:12px;box-shadow:0 8px 22px rgba(20,24,40,.18);
  padding:12px;display:flex;gap:12px;align-items:center;justify-content:space-between
}
.cookie-actions{display:flex;gap:10px;align-items:center}

/* Modal */
.modal{position:fixed;inset:0;display:grid;place-items:center;background:rgba(2,8,18,.6);padding:20px;z-index:1100}
.modal[hidden]{display:none}
.modal__panel{width:min(760px, 100%);border-radius:18px;background:#fff;color:var(--ink);box-shadow:0 20px 60px rgba(0,0,0,.35);overflow:hidden}
.modal__head,.modal__foot{padding:16px 20px;border-bottom:1px solid #e9eef5;display:flex;justify-content:space-between;align-items:center}
.modal__foot{border-top:1px solid #e9eef5;border-bottom:0}
.modal__body{padding:18px 20px;display:grid;gap:10px}

/* Accessibilité */
.skip-link{position:absolute;left:-9999px;top:auto;width:1px;height:1px;overflow:hidden}
.skip-link:focus{position:fixed;left:16px;top:16px;width:auto;height:auto;background:#fff;color:#000;padding:8px 10px;border-radius:8px;z-index:2000}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);border:0}

/* Compteurs : chiffres tabulaires */
.metric__value .count{display:inline-block;font-variant-numeric:tabular-nums;letter-spacing:.3px;}