:root {
  --bleu: #1565C0;
  --bleu-fonce: #0d47a1;
  --bleu-clair: #e8f1fc;
  --texte: #1a2230;
  --gris: #5a6474;
  --gris-clair: #f5f7fa;
  --bordure: #e4e8ee;
  --vert: #2e7d32;
  --ombre: 0 10px 30px rgba(21, 101, 192, .08);
  --ombre-forte: 0 20px 50px rgba(21, 101, 192, .15);
  --rayon: 16px;
  --largeur: 1140px;
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  color: var(--texte);
  line-height: 1.6;
  background: #fff;
  -webkit-font-smoothing: antialiased;
}
a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
.conteneur { max-width: var(--largeur); margin: 0 auto; padding: 0 24px; }
section { padding: 88px 0; }

/* --- Boutons --- */
.btn {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 13px 26px; border-radius: 999px; font-weight: 600; font-size: 15px;
  border: 2px solid transparent; cursor: pointer; transition: all .2s ease; white-space: nowrap;
}
.btn-primaire { background: var(--bleu); color: #fff; box-shadow: var(--ombre); }
.btn-primaire:hover { background: var(--bleu-fonce); transform: translateY(-2px); box-shadow: var(--ombre-forte); }
.btn-secondaire { background: #fff; color: var(--bleu); border-color: var(--bordure); }
.btn-secondaire:hover { border-color: var(--bleu); }
.btn-blanc { background: #fff; color: var(--bleu); }
.btn-blanc:hover { transform: translateY(-2px); box-shadow: var(--ombre-forte); }

/* --- En-tête --- */
header {
  position: sticky; top: 0; z-index: 100;
  background: rgba(255,255,255,.9); backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--bordure);
}
.nav { display: flex; align-items: center; justify-content: space-between; height: 72px; }
.marque { display: flex; align-items: center; gap: 10px; font-weight: 800; font-size: 22px; color: var(--bleu); }
.marque img { width: 34px; height: 34px; border-radius: 8px; }
.nav-liens { display: flex; align-items: center; gap: 32px; }
.nav-liens a { color: var(--gris); font-weight: 500; font-size: 15px; }
.nav-liens a:hover { color: var(--bleu); }
.nav-actions { display: flex; align-items: center; gap: 14px; }
.burger { display: none; background: none; border: 0; cursor: pointer; font-size: 26px; color: var(--texte); }

/* --- Hero --- */
.hero { padding: 80px 0 64px; background: linear-gradient(180deg, var(--bleu-clair) 0%, #fff 100%); }
.hero-grille { display: grid; grid-template-columns: 1.1fr 1fr; gap: 56px; align-items: center; }
.badge {
  display: inline-flex; align-items: center; gap: 8px; background: #fff; color: var(--bleu);
  padding: 7px 16px; border-radius: 999px; font-size: 13px; font-weight: 600;
  box-shadow: var(--ombre); margin-bottom: 22px;
}
.hero h1 { font-size: 52px; line-height: 1.1; letter-spacing: -1px; margin-bottom: 20px; }
.hero h1 span { color: var(--bleu); }
.hero p.sous { font-size: 19px; color: var(--gris); margin-bottom: 30px; max-width: 520px; }
.hero-cta { display: flex; gap: 14px; flex-wrap: wrap; margin-bottom: 18px; }
.hero-note { font-size: 14px; color: var(--gris); display: flex; align-items: center; gap: 8px; }
.hero-note b { color: var(--vert); }

.mockup {
  background: #fff; border: 1px solid var(--bordure); border-radius: 20px;
  box-shadow: var(--ombre-forte); overflow: hidden;
}
.mockup-barre { display: flex; gap: 6px; padding: 12px 16px; border-bottom: 1px solid var(--bordure); background: var(--gris-clair); }
.mockup-barre span { width: 11px; height: 11px; border-radius: 50%; background: #d5dae2; }
.mockup-corps { padding: 22px; }
.mockup-corps .ligne { height: 12px; border-radius: 6px; background: var(--gris-clair); margin-bottom: 12px; }
.mockup-corps .ligne.court { width: 45%; }
.mockup-corps .ligne.bleu { background: var(--bleu-clair); }
.mockup-cartes { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; margin-top: 8px; }
.mockup-carte { background: var(--gris-clair); border-radius: 12px; padding: 16px; }
.mockup-carte .rond { width: 32px; height: 32px; border-radius: 8px; background: var(--bleu-clair); margin-bottom: 10px; }
.mockup-carte .b { height: 9px; border-radius: 5px; background: #dfe4ea; margin-bottom: 7px; }
.mockup-carte .b.court { width: 60%; }

/* --- Bandeau confiance --- */
.confiance { padding: 28px 0; border-bottom: 1px solid var(--bordure); }
.confiance-liste { display: flex; justify-content: center; gap: 40px; flex-wrap: wrap; color: var(--gris); font-size: 15px; font-weight: 500; }
.confiance-liste span { display: inline-flex; align-items: center; gap: 8px; }
.confiance-liste .ico { color: var(--vert); font-weight: 700; }

/* --- Titres de section --- */
.section-titre { text-align: center; max-width: 640px; margin: 0 auto 56px; }
.section-titre .sur { color: var(--bleu); font-weight: 700; font-size: 14px; letter-spacing: 1px; text-transform: uppercase; }
.section-titre h2 { font-size: 38px; line-height: 1.15; letter-spacing: -.5px; margin: 10px 0 14px; }
.section-titre p { color: var(--gris); font-size: 18px; }

/* --- Fonctionnalités --- */
.grille-fonc { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.carte-fonc {
  background: #fff; border: 1px solid var(--bordure); border-radius: var(--rayon);
  padding: 30px; transition: all .25s ease;
}
.carte-fonc:hover { transform: translateY(-4px); box-shadow: var(--ombre); border-color: transparent; }
.carte-fonc .ico {
  width: 52px; height: 52px; border-radius: 13px; background: var(--bleu-clair); color: var(--bleu);
  display: flex; align-items: center; justify-content: center; font-size: 26px; margin-bottom: 18px;
}
.carte-fonc h3 { font-size: 19px; margin-bottom: 8px; }
.carte-fonc p { color: var(--gris); font-size: 15px; }

/* --- Étapes --- */
.etapes { background: var(--gris-clair); }
.grille-etapes { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; }
.etape { text-align: center; }
.etape .num {
  width: 56px; height: 56px; border-radius: 50%; background: var(--bleu); color: #fff;
  display: flex; align-items: center; justify-content: center; font-size: 22px; font-weight: 800;
  margin: 0 auto 18px; box-shadow: var(--ombre);
}
.etape h3 { font-size: 20px; margin-bottom: 8px; }
.etape p { color: var(--gris); }

/* --- Avantages (split) --- */
.split { display: grid; grid-template-columns: 1fr 1fr; gap: 56px; align-items: center; }
.split ul { list-style: none; margin-top: 22px; }
.split li { display: flex; gap: 14px; margin-bottom: 20px; }
.split li .check {
  flex: 0 0 26px; width: 26px; height: 26px; border-radius: 50%; background: var(--bleu-clair);
  color: var(--bleu); display: flex; align-items: center; justify-content: center; font-weight: 700; font-size: 15px;
}
.split li b { display: block; }
.split li span { color: var(--gris); font-size: 15px; }
.split-visuel { background: linear-gradient(135deg, var(--bleu) 0%, var(--bleu-fonce) 100%); border-radius: 24px; padding: 44px; color: #fff; box-shadow: var(--ombre-forte); }
.split-visuel .stat { margin-bottom: 28px; }
.split-visuel .stat:last-child { margin-bottom: 0; }
.split-visuel .stat b { font-size: 40px; display: block; line-height: 1; }
.split-visuel .stat span { opacity: .85; }

/* --- Tarifs --- */
.tarifs-grille { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; max-width: 980px; margin: 0 auto; align-items: stretch; }
.tarif {
  background: #fff; border: 1px solid var(--bordure); border-radius: 20px; padding: 34px 30px;
  display: flex; flex-direction: column;
}
.tarif.vedette { border: 2px solid var(--bleu); box-shadow: var(--ombre-forte); position: relative; }
.tarif.vedette .ruban {
  position: absolute; top: -13px; left: 50%; transform: translateX(-50%);
  background: var(--bleu); color: #fff; padding: 5px 16px; border-radius: 999px; font-size: 12px; font-weight: 700;
}
.tarif h3 { font-size: 20px; margin-bottom: 6px; }
.tarif .prix { font-size: 40px; font-weight: 800; letter-spacing: -1px; }
.tarif .prix small { font-size: 15px; font-weight: 500; color: var(--gris); }
.tarif .desc { color: var(--gris); font-size: 14px; margin: 4px 0 22px; min-height: 40px; }
.tarif ul { list-style: none; margin-bottom: 26px; flex: 1; }
.tarif li { padding: 8px 0; font-size: 15px; display: flex; gap: 10px; }
.tarif li::before { content: "✓"; color: var(--vert); font-weight: 700; }
.tarif .btn { width: 100%; justify-content: center; }

/* --- FAQ --- */
.faq { max-width: 800px; margin: 0 auto; }
.faq-item { border-bottom: 1px solid var(--bordure); padding: 22px 0; }
.faq-item h3 { font-size: 18px; margin-bottom: 8px; display: flex; align-items: center; gap: 10px; }
.faq-item h3::before { content: "?"; flex: 0 0 26px; width: 26px; height: 26px; background: var(--bleu-clair); color: var(--bleu); border-radius: 50%; display: inline-flex; align-items: center; justify-content: center; font-weight: 700; font-size: 15px; }
.faq-item p { color: var(--gris); padding-left: 36px; }

/* --- CTA final --- */
.cta-final { background: linear-gradient(135deg, var(--bleu) 0%, var(--bleu-fonce) 100%); }
.cta-final .conteneur { text-align: center; }
.cta-final h2 { color: #fff; font-size: 40px; letter-spacing: -.5px; margin-bottom: 14px; }
.cta-final p { color: rgba(255,255,255,.9); font-size: 19px; margin-bottom: 30px; }

/* --- Pied de page --- */
footer { background: #0f1826; color: #aeb8c7; padding: 64px 0 32px; font-size: 15px; }
.footer-grille { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 40px; margin-bottom: 44px; }
footer .marque { color: #fff; margin-bottom: 14px; }
footer h4 { color: #fff; font-size: 15px; margin-bottom: 16px; }
footer ul { list-style: none; }
footer li { margin-bottom: 10px; }
footer a:hover { color: #fff; }
.footer-desc { max-width: 300px; color: #7d8798; }
.footer-bas { border-top: 1px solid #1e2b3d; padding-top: 26px; display: flex; justify-content: space-between; flex-wrap: wrap; gap: 12px; color: #7d8798; font-size: 14px; }

/* --- Cadre téléphone (hero) --- */
.telephone {
  max-width: 300px; margin: 0 auto;
  border: 11px solid #141c28; border-radius: 40px; background: #141c28;
  box-shadow: var(--ombre-forte); overflow: hidden;
}
.telephone img { display: block; width: 100%; border-radius: 29px; }

/* --- Galerie de captures --- */
.galerie { display: grid; grid-template-columns: repeat(3, 1fr); gap: 32px; }
.galerie figure { margin: 0; }
.galerie .cadre {
  border-radius: 18px; overflow: hidden; border: 1px solid var(--bordure);
  box-shadow: var(--ombre); background: #fff; transition: transform .25s ease;
}
.galerie figure:hover .cadre { transform: translateY(-5px); }
.galerie .cadre img { display: block; width: 100%; }
.galerie figcaption {
  margin-top: 16px; text-align: center; font-weight: 600; font-size: 16px;
}

/* --- Responsive --- */
@media (max-width: 900px) {
  .hero-grille, .split, .footer-grille { grid-template-columns: 1fr; }
  .grille-fonc, .grille-etapes, .tarifs-grille { grid-template-columns: 1fr; }
  .galerie { grid-template-columns: 1fr 1fr; gap: 20px; }
  .galerie figcaption { font-size: 14px; }
  .hero h1 { font-size: 38px; }
  .section-titre h2, .cta-final h2 { font-size: 30px; }
  .nav-liens { display: none; }
  .burger { display: block; }
  .nav-liens.ouvert {
    display: flex; flex-direction: column; position: absolute; top: 72px; left: 0; right: 0;
    background: #fff; padding: 20px 24px; gap: 18px; border-bottom: 1px solid var(--bordure); box-shadow: var(--ombre);
  }
  .hero-visuel { order: -1; }
  section { padding: 60px 0; }
  .footer-grille { gap: 28px; }
}