/* ============================================================
   Qualizeo — feuille de style commune
   Site vitrine statique, sans dépendance externe.
   ============================================================ */

:root {
  --bleu: #2356d8;
  --bleu-fonce: #1a41a8;
  --bleu-clair: #eef3fd;
  --encre: #101a2c;
  --gris-texte: #4a5568;
  --gris-doux: #8a94a6;
  --fond: #ffffff;
  --fond-alt: #f6f8fb;
  --bordure: #e2e8f0;
  --vert: #1f9d66;
  --rayon: 10px;
  --ombre: 0 6px 24px rgba(16, 26, 44, .08);
}

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

html { scroll-behavior: smooth; }

body {
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  color: var(--encre);
  background: var(--fond);
  line-height: 1.65;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
}

img, svg { vertical-align: middle; }

a { color: var(--bleu); text-decoration: none; }
a:hover { text-decoration: underline; }

.container {
  max-width: 1120px;
  margin: 0 auto;
  padding: 0 24px;
}

/* ---------- En-tête ---------- */

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(255, 255, 255, .96);
  border-bottom: 1px solid var(--bordure);
  backdrop-filter: blur(6px);
}

.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  font-size: 18px;
  color: var(--encre);
}
.brand:hover { text-decoration: none; }
.brand small {
  display: block;
  font-size: 11px;
  font-weight: 500;
  color: var(--gris-doux);
  line-height: 1.2;
}

.main-nav { display: flex; align-items: center; gap: 26px; }
.main-nav a {
  color: var(--gris-texte);
  font-size: 15px;
  font-weight: 500;
}
.main-nav a:hover { color: var(--encre); text-decoration: none; }
.main-nav a.actif { color: var(--bleu); font-weight: 600; }

/* ---------- Boutons ---------- */

.btn {
  display: inline-block;
  padding: 12px 22px;
  border-radius: 8px;
  font-size: 15px;
  font-weight: 600;
  border: 1px solid transparent;
  cursor: pointer;
  transition: background .15s ease, border-color .15s ease;
}
.btn:hover { text-decoration: none; }
.btn-primaire { background: var(--bleu); color: #fff; }
.btn-primaire:hover { background: var(--bleu-fonce); }
.btn-secondaire { border-color: var(--bordure); color: var(--encre); background: #fff; }
.btn-secondaire:hover { border-color: var(--gris-doux); }
.btn-blanc { background: #fff; color: var(--bleu); }
.btn-contour-blanc { border-color: rgba(255,255,255,.5); color: #fff; }
.btn-contour-blanc:hover { border-color: #fff; }
.btn-nav { padding: 8px 16px; font-size: 14px; }

/* ---------- Hero ---------- */

.hero {
  background: linear-gradient(180deg, var(--bleu-clair) 0%, #fff 100%);
  padding: 88px 0 72px;
  border-bottom: 1px solid var(--bordure);
}
.hero .container { display: grid; grid-template-columns: 1.15fr .85fr; gap: 56px; align-items: center; }
.hero h1 {
  font-size: 42px;
  line-height: 1.15;
  letter-spacing: -.5px;
  margin-bottom: 20px;
}
.hero .surtitre {
  display: inline-block;
  background: #fff;
  border: 1px solid var(--bordure);
  color: var(--bleu);
  font-size: 13px;
  font-weight: 600;
  padding: 5px 12px;
  border-radius: 999px;
  margin-bottom: 18px;
}
.hero p.lead { font-size: 18px; color: var(--gris-texte); margin-bottom: 30px; max-width: 520px; }
.hero-actions { display: flex; gap: 14px; flex-wrap: wrap; }

/* ---------- Sections génériques ---------- */

.section { padding: 72px 0; }
.section-alt { background: var(--fond-alt); border-top: 1px solid var(--bordure); border-bottom: 1px solid var(--bordure); }
.section-titre { max-width: 640px; margin-bottom: 44px; }
.section-titre.centre { margin-left: auto; margin-right: auto; text-align: center; }
.section-titre h2 { font-size: 30px; letter-spacing: -.3px; margin-bottom: 12px; }
.section-titre p { color: var(--gris-texte); font-size: 17px; }

/* ---------- Bandeau chiffres ---------- */

.stats-band { background: var(--encre); color: #fff; padding: 40px 0; }
.stats-band .container { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; text-align: center; }
.stats-band .chiffre { font-size: 30px; font-weight: 700; }
.stats-band .libelle { font-size: 14px; color: #aab4c6; margin-top: 4px; }

/* ---------- Grilles de fonctionnalités ---------- */

.grid { display: grid; gap: 24px; }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }
.grid-5 { grid-template-columns: repeat(5, 1fr); }

.card {
  background: #fff;
  border: 1px solid var(--bordure);
  border-radius: var(--rayon);
  padding: 28px;
}
.card h3 { font-size: 18px; margin-bottom: 10px; }
.card p { color: var(--gris-texte); font-size: 15px; }
.card-ombre { box-shadow: var(--ombre); border: none; }

.icone {
  width: 44px;
  height: 44px;
  border-radius: 10px;
  background: var(--bleu-clair);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 16px;
}
.icone svg { width: 22px; height: 22px; stroke: var(--bleu); }

/* ---------- Étapes ---------- */

.etapes { counter-reset: etape; }
.etape { position: relative; padding-left: 58px; }
.etape::before {
  counter-increment: etape;
  content: counter(etape);
  position: absolute;
  left: 0; top: 0;
  width: 40px; height: 40px;
  border-radius: 50%;
  background: var(--bleu);
  color: #fff;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
}
.etape h3 { font-size: 17px; margin-bottom: 6px; }
.etape p { color: var(--gris-texte); font-size: 15px; }

/* ---------- Logos clients ---------- */

.logos { display: flex; flex-wrap: wrap; justify-content: center; gap: 18px 48px; align-items: center; }
.logo-client {
  font-weight: 700;
  color: var(--gris-doux);
  font-size: 20px;
  letter-spacing: .5px;
  white-space: nowrap;
}
.logo-client span { font-weight: 400; }

/* ---------- Témoignage ---------- */

.temoignage {
  max-width: 720px;
  margin: 0 auto;
  text-align: center;
}
.temoignage blockquote {
  font-size: 20px;
  line-height: 1.6;
  color: var(--encre);
  margin-bottom: 18px;
}
.temoignage .auteur { font-weight: 600; font-size: 15px; }
.temoignage .role { color: var(--gris-doux); font-size: 14px; }

/* ---------- CTA final ---------- */

.cta-final {
  background: linear-gradient(135deg, var(--bleu) 0%, var(--bleu-fonce) 100%);
  color: #fff;
  border-radius: 16px;
  padding: 56px 48px;
  text-align: center;
}
.cta-final h2 { font-size: 28px; margin-bottom: 12px; }
.cta-final p { color: #d5e0fb; margin-bottom: 28px; max-width: 520px; margin-left: auto; margin-right: auto; }
.cta-final .hero-actions { justify-content: center; }

/* ---------- Page interne : en-tête simple ---------- */

.page-titre {
  background: var(--fond-alt);
  border-bottom: 1px solid var(--bordure);
  padding: 56px 0 44px;
}
.page-titre h1 { font-size: 34px; letter-spacing: -.3px; margin-bottom: 10px; }
.page-titre p { color: var(--gris-texte); font-size: 17px; max-width: 640px; }

/* ---------- Bloc fonctionnalité détaillée ---------- */

.feature-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 56px;
  align-items: center;
  padding: 48px 0;
}
.feature-row + .feature-row { border-top: 1px solid var(--bordure); }
.feature-row.inverse > .feature-texte { order: 2; }
.feature-texte h2 { font-size: 24px; margin-bottom: 14px; }
.feature-texte p { color: var(--gris-texte); margin-bottom: 14px; }
.feature-texte ul { list-style: none; }
.feature-texte ul li {
  position: relative;
  padding-left: 26px;
  margin-bottom: 8px;
  color: var(--gris-texte);
  font-size: 15px;
}
.feature-texte ul li::before {
  content: "";
  position: absolute;
  left: 0; top: 8px;
  width: 14px; height: 14px;
  border-radius: 50%;
  background: var(--bleu-clair);
  border: 4px solid var(--bleu);
}

.note-technique {
  background: var(--fond-alt);
  border: 1px solid var(--bordure);
  border-left: 4px solid var(--bleu);
  border-radius: 8px;
  padding: 18px 22px;
  font-size: 14px;
  color: var(--gris-texte);
}

/* ---------- Maquette tableau de bord (CSS pur) ---------- */

.mockup {
  background: #fff;
  border: 1px solid var(--bordure);
  border-radius: 12px;
  box-shadow: var(--ombre);
  overflow: hidden;
  font-size: 13px;
}
.mockup-barre {
  background: #f1f4f9;
  border-bottom: 1px solid var(--bordure);
  padding: 10px 14px;
  display: flex;
  gap: 6px;
}
.mockup-barre span {
  width: 10px; height: 10px; border-radius: 50%;
  background: #d3dae4;
}
.mockup-corps { display: grid; grid-template-columns: 148px 1fr; min-height: 300px; }
.mockup-menu {
  background: var(--encre);
  padding: 16px 12px;
}
.mockup-menu div {
  color: #aab4c6;
  font-size: 12px;
  padding: 7px 10px;
  border-radius: 6px;
  margin-bottom: 2px;
}
.mockup-menu div.actif { background: rgba(255,255,255,.12); color: #fff; }
.mockup-principal { padding: 18px; background: #f8fafc; }
.mockup-stats { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; margin-bottom: 14px; }
.mockup-stat {
  background: #fff;
  border: 1px solid var(--bordure);
  border-radius: 8px;
  padding: 12px;
}
.mockup-stat .valeur { font-size: 20px; font-weight: 700; }
.mockup-stat .valeur.vert { color: var(--vert); }
.mockup-stat .valeur.orange { color: #d97a16; }
.mockup-stat .titre { color: var(--gris-doux); font-size: 11px; margin-top: 2px; }
.mockup-panneau {
  background: #fff;
  border: 1px solid var(--bordure);
  border-radius: 8px;
  padding: 14px;
  margin-bottom: 14px;
}
.mockup-panneau h4 { font-size: 12px; color: var(--gris-texte); margin-bottom: 10px; font-weight: 600; }
.barre { height: 8px; background: #edf1f6; border-radius: 4px; margin-bottom: 10px; overflow: hidden; }
.barre i { display: block; height: 100%; border-radius: 4px; background: var(--bleu); }
.barre i.vert { background: var(--vert); }
.barre i.orange { background: #e89b3c; }
.mockup-ligne {
  display: flex;
  justify-content: space-between;
  padding: 7px 4px;
  border-bottom: 1px solid #eef1f6;
  color: var(--gris-texte);
  font-size: 12px;
}
.mockup-ligne:last-child { border-bottom: none; }
.pastille {
  font-size: 11px;
  font-weight: 600;
  padding: 2px 8px;
  border-radius: 999px;
}
.pastille.vert { background: #e3f5ec; color: var(--vert); }
.pastille.orange { background: #fdf0dd; color: #b96a0f; }
.pastille.bleu { background: var(--bleu-clair); color: var(--bleu); }

/* ---------- Tarifs ---------- */

.pricing { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; align-items: stretch; }
.offre {
  background: #fff;
  border: 1px solid var(--bordure);
  border-radius: 12px;
  padding: 32px 28px;
  display: flex;
  flex-direction: column;
}
.offre.mise-en-avant {
  border: 2px solid var(--bleu);
  position: relative;
  box-shadow: var(--ombre);
}
.offre .badge {
  position: absolute;
  top: -13px; left: 50%;
  transform: translateX(-50%);
  background: var(--bleu);
  color: #fff;
  font-size: 12px;
  font-weight: 600;
  padding: 4px 14px;
  border-radius: 999px;
}
.offre h3 { font-size: 19px; margin-bottom: 6px; }
.offre .prix { font-size: 34px; font-weight: 700; margin: 14px 0 4px; }
.offre .prix small { font-size: 14px; font-weight: 500; color: var(--gris-doux); }
.offre .pitch { color: var(--gris-texte); font-size: 14px; margin-bottom: 20px; }
.offre ul { list-style: none; margin-bottom: 26px; flex: 1; }
.offre ul li {
  padding: 7px 0 7px 26px;
  position: relative;
  font-size: 14px;
  color: var(--gris-texte);
  border-bottom: 1px solid #f1f4f8;
}
.offre ul li::before {
  content: "✓";
  position: absolute;
  left: 0;
  color: var(--vert);
  font-weight: 700;
}

/* ---------- FAQ ---------- */

.faq details {
  background: #fff;
  border: 1px solid var(--bordure);
  border-radius: 8px;
  margin-bottom: 12px;
  padding: 16px 20px;
}
.faq summary {
  font-weight: 600;
  font-size: 15px;
  cursor: pointer;
  list-style: none;
  position: relative;
  padding-right: 28px;
}
.faq summary::after {
  content: "+";
  position: absolute;
  right: 0; top: -2px;
  font-size: 20px;
  color: var(--gris-doux);
}
.faq details[open] summary::after { content: "–"; }
.faq details p { margin-top: 12px; color: var(--gris-texte); font-size: 14px; }

/* ---------- Équipe ---------- */

.membre { text-align: center; }
.membre .avatar {
  width: 84px; height: 84px;
  border-radius: 50%;
  background: var(--bleu-clair);
  color: var(--bleu);
  font-weight: 700;
  font-size: 26px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 14px;
}
.membre h3 { font-size: 16px; }
.membre p { color: var(--gris-doux); font-size: 14px; }

/* ---------- Valeurs ---------- */

.valeur h3 { font-size: 17px; margin-bottom: 8px; }
.valeur p { color: var(--gris-texte); font-size: 15px; }

/* ---------- Blog ---------- */

.article-card { display: flex; flex-direction: column; }
.article-card .date { font-size: 13px; color: var(--gris-doux); margin-bottom: 8px; }
.article-card h3 { font-size: 18px; margin-bottom: 10px; }
.article-card h3 a { color: var(--encre); }
.article-card h3 a:hover { color: var(--bleu); text-decoration: none; }
.article-card p { color: var(--gris-texte); font-size: 14px; flex: 1; margin-bottom: 14px; }
.article-card .lien { font-size: 14px; font-weight: 600; }

.article-contenu { max-width: 720px; margin: 0 auto; }
.article-contenu .meta {
  color: var(--gris-doux);
  font-size: 14px;
  margin-bottom: 28px;
  padding-bottom: 20px;
  border-bottom: 1px solid var(--bordure);
}
.article-contenu h2 { font-size: 21px; margin: 32px 0 12px; }
.article-contenu p { margin-bottom: 16px; color: #2c3748; }
.article-contenu ul { margin: 0 0 16px 22px; color: #2c3748; }
.article-contenu ul li { margin-bottom: 6px; }
.retour-blog { font-size: 14px; font-weight: 600; }

/* ---------- Formulaire ---------- */

.formulaire {
  background: #fff;
  border: 1px solid var(--bordure);
  border-radius: 12px;
  padding: 32px;
}
.formulaire .ligne { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.formulaire label {
  display: block;
  font-size: 13px;
  font-weight: 600;
  margin-bottom: 6px;
  color: var(--encre);
}
.formulaire input,
.formulaire select,
.formulaire textarea {
  width: 100%;
  padding: 11px 12px;
  border: 1px solid var(--bordure);
  border-radius: 8px;
  font-size: 14px;
  font-family: inherit;
  margin-bottom: 16px;
  background: #fff;
}
.formulaire input:focus,
.formulaire select:focus,
.formulaire textarea:focus {
  outline: none;
  border-color: var(--bleu);
  box-shadow: 0 0 0 3px rgba(35, 86, 216, .12);
}
.formulaire textarea { resize: vertical; min-height: 120px; }
.formulaire .consentement {
  display: flex;
  gap: 10px;
  align-items: flex-start;
  font-size: 13px;
  color: var(--gris-texte);
  margin-bottom: 20px;
}
.formulaire .consentement input { width: auto; margin: 3px 0 0; }

.contact-grid { display: grid; grid-template-columns: 1.2fr .8fr; gap: 48px; align-items: start; }
.contact-infos h3 { font-size: 17px; margin-bottom: 8px; margin-top: 24px; }
.contact-infos h3:first-child { margin-top: 0; }
.contact-infos p { color: var(--gris-texte); font-size: 15px; }

/* ---------- Pages légales ---------- */

.legal { max-width: 760px; }
.legal h2 { font-size: 20px; margin: 36px 0 12px; }
.legal p { margin-bottom: 14px; color: #2c3748; font-size: 15px; }
.legal ul { margin: 0 0 14px 22px; color: #2c3748; font-size: 15px; }
.legal ul li { margin-bottom: 6px; }

/* ---------- Pied de page ---------- */

.site-footer {
  background: var(--encre);
  color: #aab4c6;
  padding: 56px 0 32px;
  margin-top: 0;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1fr;
  gap: 32px;
  margin-bottom: 40px;
}
.site-footer h4 {
  color: #fff;
  font-size: 14px;
  margin-bottom: 14px;
}
.site-footer ul { list-style: none; }
.site-footer ul li { margin-bottom: 9px; }
.site-footer a { color: #aab4c6; font-size: 14px; }
.site-footer a:hover { color: #fff; text-decoration: none; }
.footer-marque p { font-size: 14px; margin-top: 12px; max-width: 260px; }
.footer-bas {
  border-top: 1px solid rgba(255,255,255,.12);
  padding-top: 24px;
  font-size: 13px;
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 10px;
}

/* ---------- Responsive ---------- */

@media (max-width: 900px) {
  .hero .container { grid-template-columns: 1fr; gap: 32px; }
  .hero h1 { font-size: 32px; }
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .grid-3 { grid-template-columns: repeat(2, 1fr); }
  .grid-5 { grid-template-columns: repeat(2, 1fr); }
  .feature-row { grid-template-columns: 1fr; gap: 28px; }
  .feature-row.inverse > .feature-texte { order: 0; }
  .pricing { grid-template-columns: 1fr; max-width: 440px; margin: 0 auto; }
  .contact-grid { grid-template-columns: 1fr; }
  .stats-band .container { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 640px) {
  .main-nav { gap: 14px; flex-wrap: wrap; justify-content: flex-end; }
  .main-nav a { font-size: 13px; }
  .btn-nav { display: none; }
  .grid-4, .grid-3, .grid-2 { grid-template-columns: 1fr; }
  .formulaire .ligne { grid-template-columns: 1fr; }
  .mockup-corps { grid-template-columns: 1fr; }
  .mockup-menu { display: none; }
  .cta-final { padding: 40px 24px; }
  .section { padding: 52px 0; }
}