/* Site vitrine Auditeo — feuille unique, sans dépendance. */

:root {
  --indigo: #4f46e5;
  --indigo-clair: #6366f1;
  --rose: #ec4899;
  --violet: #7c3aed;
  --encre: #0f172a;
  --texte: #334155;
  --gris: #64748b;
  --trait: #e2e8f0;
  --fond: #ffffff;
  --fond-teinte: #f5f6fb;
  --vert: #16a34a;
  --rouge: #dc2626;
  --degrade: linear-gradient(120deg, var(--indigo-clair), var(--violet) 55%, var(--rose));
  --ombre: 0 1px 2px rgba(15, 23, 42, .05), 0 8px 24px rgba(15, 23, 42, .06);
  --rayon: 14px;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 80px; }
body {
  margin: 0;
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  font-size: 17px;
  line-height: 1.6;
  color: var(--texte);
  background: var(--fond);
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a { color: var(--indigo); }
h1, h2, h3 { color: var(--encre); line-height: 1.2; margin: 0 0 .5em; letter-spacing: -.01em; }
h1 { font-size: clamp(2rem, 4.5vw, 3.2rem); font-weight: 800; }
h2 { font-size: clamp(1.5rem, 3vw, 2.1rem); font-weight: 750; }
h3 { font-size: 1.15rem; font-weight: 700; }
p { margin: 0 0 1em; }

.conteneur { max-width: 1160px; margin: 0 auto; padding: 0 20px; }
.conteneur-etroit { max-width: 820px; }
.ico { width: 1.1em; height: 1.1em; flex: none; vertical-align: -.15em; }
.ico-grand { width: 28px; height: 28px; color: var(--indigo); }

.evitement { position: absolute; left: -9999px; }
.evitement:focus { left: 12px; top: 12px; z-index: 100; background: #fff; padding: 8px 12px; }

/* Boutons */
.bouton {
  display: inline-flex; align-items: center; gap: .5em;
  padding: .8em 1.4em; border: 0; border-radius: 999px;
  background: var(--degrade); color: #fff; font: inherit; font-weight: 650;
  text-decoration: none; cursor: pointer;
  box-shadow: 0 6px 18px rgba(99, 102, 241, .3);
  transition: transform .15s ease, box-shadow .15s ease;
}
.bouton:hover { transform: translateY(-1px); box-shadow: 0 10px 24px rgba(99, 102, 241, .35); }
.bouton:disabled { opacity: .6; cursor: wait; }
.bouton-petit { padding: .5em 1.1em; font-size: .92rem; }
.bouton-large { width: 100%; justify-content: center; }
.bouton-clair { background: #fff; color: var(--encre); box-shadow: inset 0 0 0 1.5px var(--trait); }
.bouton-clair:hover { box-shadow: inset 0 0 0 1.5px var(--indigo-clair); }
.bouton-blanc { background: #fff; color: var(--indigo); box-shadow: none; }

/* En-tête */
.bandeau {
  position: sticky; top: 0; z-index: 50;
  background: rgba(255, 255, 255, .9);
  backdrop-filter: blur(10px); -webkit-backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--trait);
}
.bandeau-int { display: flex; align-items: center; justify-content: space-between; height: 66px; }
.logo {
  display: inline-flex; align-items: center; gap: .5em;
  font-size: 1.35rem; font-weight: 800; color: var(--encre); text-decoration: none; margin: 0;
}
.logo-marque {
  display: inline-grid; place-items: center; width: 34px; height: 34px;
  border-radius: 10px; background: var(--degrade); color: #fff; font-size: 1.05rem;
}
.menu { display: flex; align-items: center; gap: 28px; }
.menu a:not(.bouton) { color: var(--texte); text-decoration: none; font-weight: 550; font-size: .97rem; }
.menu a:not(.bouton):hover, .menu a[aria-current] { color: var(--indigo); }
.menu-bouton { display: none; background: none; border: 0; padding: 8px; color: var(--encre); cursor: pointer; }
.menu-bouton .ico { width: 26px; height: 26px; }

/* Hero */
.hero {
  padding: 72px 0 80px;
  background:
    radial-gradient(900px 400px at 85% -10%, rgba(236, 72, 153, .12), transparent 60%),
    radial-gradient(800px 500px at 0% 0%, rgba(99, 102, 241, .14), transparent 60%),
    var(--fond-teinte);
}
.hero-court { padding: 56px 0 48px; }
.hero-court h1 { max-width: 820px; }
.hero-grille { display: grid; grid-template-columns: 1.1fr .9fr; gap: 56px; align-items: center; }
.surtitre {
  display: inline-block; margin-bottom: 1em; padding: .25em .8em; border-radius: 999px;
  background: rgba(99, 102, 241, .1); color: var(--indigo); font-weight: 650; font-size: .85rem;
}
.hero-texte { font-size: 1.17rem; max-width: 620px; }
.actions { display: flex; flex-wrap: wrap; gap: 12px; margin: 28px 0 12px; }
.mention { font-size: .87rem; color: var(--gris); }
.centre { text-align: center; }


.pastille { font-size: .78rem; font-weight: 700; padding: .3em .8em; border-radius: 999px; }
.pastille-ok { background: #dcfce7; color: #166534; }

/* Sections */
.section { padding: 80px 0; }
.section-teinte { background: var(--fond-teinte); }
.section-sombre { background: var(--degrade); color: #fff; }
.section-sombre h2 { color: #fff; }
.section-tete { text-align: center; max-width: 720px; margin: 0 auto 44px; }
.section-tete p { color: var(--gris); font-size: 1.08rem; }
.appel { text-align: center; }
.appel p { opacity: .92; font-size: 1.1rem; margin-bottom: 1.6em; }

.carte { background: #fff; border-radius: var(--rayon); padding: 28px; box-shadow: var(--ombre); border: 1px solid var(--trait); }

/* Avant / après */
.comparatif { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; }
.carte-avant { background: #fffafa; border-color: #fee2e2; }
.carte-apres { background: #f7fdf9; border-color: #dcfce7; }
.liste-ico { list-style: none; margin: 0; padding: 0; }
.liste-ico li { display: flex; gap: 12px; padding: 10px 0; }
.liste-ico li strong { display: block; color: var(--encre); }
.liste-ico .ico { margin-top: .25em; }
.liste-non .ico { color: var(--rouge); }
.liste-oui .ico { color: var(--vert); }
.liste-serree li { padding: 4px 0; }

.etape-num {
  position: absolute; top: 20px; right: 22px; font-size: 2.6rem; font-weight: 800; line-height: 1;
  background: var(--degrade); -webkit-background-clip: text; background-clip: text; color: transparent; opacity: .35;
}
.etiquettes { display: flex; flex-wrap: wrap; gap: 6px; margin: 0; }
.etiquettes span { font-size: .8rem; padding: .2em .7em; border-radius: 999px; background: var(--fond-teinte); color: var(--gris); }

/* Secteurs */
.secteurs { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.secteur { border-radius: var(--rayon); overflow: hidden; background: #fff; box-shadow: var(--ombre); border: 1px solid var(--trait); }
.secteur img { width: 100%; aspect-ratio: 3 / 2; object-fit: cover; }
.secteur-texte { padding: 18px 22px 22px; }
.secteur-texte p { margin: 0; font-size: .95rem; }

/* Fonctionnalités */
.fonctions { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.fonction h2 { font-size: 1.25rem; margin-top: 14px; }
.fonction p { font-size: .96rem; }
.fonction-tete { display: flex; align-items: center; justify-content: space-between; }
.theme { font-size: .78rem; font-weight: 700; text-transform: uppercase; letter-spacing: .06em; color: var(--rose); }
.grille-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 24px; }
.grille-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.grille-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.petite-carte h3 { margin-top: 12px; }
.petite-carte p { margin: 0; font-size: .95rem; }

/* FAQ */
.faq details { background: #fff; border: 1px solid var(--trait); border-radius: 12px; margin-bottom: 10px; }
.faq summary { cursor: pointer; padding: 16px 20px; font-weight: 650; color: var(--encre); list-style: none; display: flex; justify-content: space-between; gap: 16px; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; color: var(--indigo); font-size: 1.3rem; line-height: 1; }
.faq details[open] summary::after { content: "−"; }
.faq details p { padding: 0 20px 16px; margin: 0; }

/* Tarif */
.offre-grille { display: grid; grid-template-columns: 1.1fr .9fr; gap: 28px; align-items: start; }
.offre { border: 2px solid var(--indigo-clair); }
.offre-nom { font-size: 1.4rem; font-weight: 800; color: var(--encre); margin: 0; }
.offre-sous { color: var(--gris); }
.offre-prix { color: var(--gris); margin: 8px 0 20px; }
.offre-prix span { font-size: 3rem; font-weight: 800; color: var(--encre); margin-right: .15em; }
.offre-liste { columns: 2; column-gap: 20px; margin-bottom: 24px; }
.offre-liste li { break-inside: avoid; }
.calculateur input[type="range"] { width: 100%; margin: 12px 0 20px; accent-color: var(--indigo); }
.calc-resultat { background: var(--fond-teinte); border-radius: 12px; padding: 18px 20px; text-align: center; }
.calc-resultat p { margin: 0; }
.calc-total { color: var(--gris); }
.calc-total span { font-size: 2.2rem; font-weight: 800; color: var(--indigo); }
.calculateur > .mention { margin: 12px 0 0; }
.roi { display: grid; gap: 16px; }
.roi-ligne { display: grid; grid-template-columns: 1fr auto; gap: 0 12px; padding: 16px 20px; border-radius: 12px; background: #fef2f2; }
.roi-ligne strong { font-size: 1.7rem; color: var(--rouge); grid-row: span 2; align-self: center; }
.roi-ligne-auditeo { background: #f0fdf4; }
.roi-ligne-auditeo strong { color: var(--vert); }
.roi-ligne > span:first-child { font-weight: 650; color: var(--encre); }
.roi-calcul dl { margin: 0; }
.roi-calcul dl div { display: flex; justify-content: space-between; gap: 12px; padding: 10px 0; border-bottom: 1px solid var(--trait); }
.roi-calcul dd { margin: 0; font-weight: 700; color: var(--encre); white-space: nowrap; }
.roi-total { border-bottom: 0 !important; font-size: 1.15rem; }
.roi-total dd { color: var(--vert); }

/* Contact */
.contact-grille { display: grid; grid-template-columns: .8fr 1.2fr; gap: 48px; align-items: start; }
.coordonnees { list-style: none; padding: 0; margin: 24px 0 0; }
.coordonnees li { display: flex; align-items: center; gap: 12px; padding: 8px 0; }
.coordonnees .ico { color: var(--indigo); width: 20px; height: 20px; }
.formulaire label { display: block; font-weight: 600; font-size: .92rem; color: var(--encre); margin-bottom: 14px; }
.formulaire input, .formulaire select, .formulaire textarea {
  display: block; width: 100%; margin-top: 6px; padding: .7em .9em;
  border: 1.5px solid var(--trait); border-radius: 10px; font: inherit; font-weight: 400; color: var(--encre); background: #fff;
}
.formulaire input:focus, .formulaire select:focus, .formulaire textarea:focus { outline: none; border-color: var(--indigo-clair); box-shadow: 0 0 0 3px rgba(99, 102, 241, .15); }
.champs-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 0 16px; }
.requis { color: var(--rose); }
.piege { position: absolute !important; left: -9999px; }
.formulaire .mention { margin: 14px 0 0; }
.message { padding: 12px 16px; border-radius: 10px; margin-bottom: 16px; font-size: .95rem; }
.message-ok { background: #dcfce7; color: #166534; }
.message-erreur { background: #fee2e2; color: #991b1b; }

/* Texte long */
.texte-long h2 { font-size: 1.4rem; margin-top: 2em; }
.texte-long h2:first-child { margin-top: 0; }
.texte-long h3 { margin-top: 1.4em; }

/* Pied */
.pied { background: var(--encre); color: #cbd5e1; padding: 56px 0 24px; font-size: .95rem; }
.pied a { color: #e2e8f0; text-decoration: none; }
.pied a:hover { color: #fff; text-decoration: underline; }
.pied-grille { display: grid; grid-template-columns: 1.4fr 1fr 1fr; gap: 40px; }
.logo-pied { color: #fff; margin-bottom: 12px; }
.pied-texte { max-width: 340px; }
.pied-titre { color: #fff; font-weight: 700; margin-bottom: 10px; }
.pied-liste { list-style: none; margin: 0; padding: 0; }
.pied-liste li { padding: 3px 0; }
.pied-bas { display: flex; justify-content: space-between; flex-wrap: wrap; gap: 12px; margin-top: 40px; padding-top: 20px; border-top: 1px solid #1e293b; font-size: .87rem; color: #94a3b8; }

/* Maquette de l'application (accueil) */
.appli { background: #fff; border-radius: 16px; box-shadow: 0 30px 60px rgba(15, 23, 42, .16); overflow: hidden; border: 1px solid var(--trait); }
.appli-barre { display: flex; gap: 6px; padding: 10px 14px; background: #f1f5f9; border-bottom: 1px solid var(--trait); }
.appli-barre span { width: 10px; height: 10px; border-radius: 50%; background: #cbd5e1; }
.appli-corps { display: grid; grid-template-columns: 150px 1fr; min-height: 330px; }
.appli-menu { list-style: none; margin: 0; padding: 14px 10px; background: linear-gradient(180deg, #4338ca, #6d28d9); color: rgba(255, 255, 255, .8); font-size: .8rem; }
.appli-menu li { padding: 8px 10px; border-radius: 8px; }
.appli-menu li.actif { background: rgba(255, 255, 255, .18); color: #fff; font-weight: 650; }
.appli-fiche { padding: 16px 18px; font-size: .85rem; }
.appli-entete { display: flex; justify-content: space-between; align-items: flex-start; gap: 8px; }
.appli-nom { font-weight: 750; color: var(--encre); font-size: 1rem; margin: 0; }
.appli-sous { color: var(--gris); margin: 0; font-size: .8rem; }
.appli-onglets { display: flex; gap: 14px; border-bottom: 1px solid var(--trait); margin: 14px 0 10px; color: var(--gris); font-size: .8rem; }
.appli-onglets span { padding-bottom: 6px; }
.appli-onglets .actif { color: var(--indigo); border-bottom: 2px solid var(--indigo); font-weight: 650; }
.appli-chrono { list-style: none; margin: 0; padding: 0; }
.appli-chrono li { display: flex; gap: 10px; padding: 8px 0; border-bottom: 1px dashed var(--trait); color: var(--texte); }
.appli-chrono strong { color: var(--encre); }
.appli-chrono small { display: block; color: var(--gris); font-size: .75rem; }
.puce { flex: none; width: 10px; height: 10px; border-radius: 50%; margin-top: 5px; }
.puce-violet { background: var(--violet); }
.puce-vert { background: var(--vert); }
.puce-bleu { background: var(--indigo-clair); }
.puce-gris { background: #cbd5e1; }

/* Cycle (accueil) */
.cycle { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.cycle .carte { position: relative; }
.cycle h3 { margin-top: 14px; }
.cycle p { margin: 0; font-size: .96rem; }
.pour-qui h3 { margin-top: 12px; }
.pour-qui p { margin: 0; }

/* Sommaire des modules */
.sommaire { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 24px; }
.sommaire a { display: inline-flex; align-items: center; gap: .45em; padding: .45em .9em; border-radius: 999px; background: #fff; border: 1px solid var(--trait); color: var(--encre); text-decoration: none; font-size: .88rem; font-weight: 550; }
.sommaire a:hover { border-color: var(--indigo-clair); color: var(--indigo); }
.sommaire .ico { color: var(--indigo); }

/* Responsive */
@media (max-width: 980px) {
  .hero-grille, .offre-grille, .contact-grille { grid-template-columns: 1fr; gap: 40px; }
  .secteurs, .fonctions, .grille-3 { grid-template-columns: repeat(2, 1fr); }
  .grille-4 { grid-template-columns: repeat(2, 1fr); }
  .cycle { grid-template-columns: repeat(2, 1fr); }
  .appli { max-width: 520px; }
}
@media (max-width: 1040px) {
  .menu-bouton { display: block; }
  .menu {
    display: none; position: absolute; top: 66px; left: 0; right: 0;
    flex-direction: column; align-items: stretch; gap: 0; padding: 8px 20px 20px;
    background: #fff; border-bottom: 1px solid var(--trait); box-shadow: var(--ombre);
  }
  .menu.ouvert { display: flex; }
  .menu a:not(.bouton) { padding: 12px 0; border-bottom: 1px solid var(--trait); }
  .menu .bouton { margin-top: 14px; justify-content: center; }
}
@media (max-width: 760px) {
  body { font-size: 16px; }
  .section { padding: 56px 0; }
  .hero { padding: 48px 0 56px; }
  .comparatif, .secteurs, .fonctions, .grille-2, .grille-3, .champs-2, .pied-grille, .cycle { grid-template-columns: 1fr; }
  .appli-corps { grid-template-columns: 1fr; }
  .appli-menu { display: none; }
  .offre-liste { columns: 1; }
  .carte { padding: 22px; }
}
@media (max-width: 420px) {
  .grille-4 { grid-template-columns: 1fr; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .bouton { transition: none; }
}
.secteur-texte h3 a { color: inherit; text-decoration: none; }
.secteur-texte h3 a:hover { color: var(--indigo); }
.etiquettes-grandes { margin-bottom: 1em; }
.etiquettes-grandes span { font-size: .9rem; background: #fff; border: 1px solid var(--trait); color: var(--encre); }

/* Choix de la langue */
.langues { display: inline-flex; gap: 2px; padding: 2px; border-radius: 999px; background: var(--fond-teinte); }
.langues a { padding: .2em .6em; border-radius: 999px; font-size: .8rem; font-weight: 700; color: var(--gris); text-decoration: none; }
.langues a[aria-current] { background: #fff; color: var(--indigo); box-shadow: 0 1px 2px rgba(15, 23, 42, .1); }
@media (max-width: 1040px) {
  .menu .langues { align-self: flex-start; margin-top: 12px; }
  .menu .langues a { padding: .4em .9em; border-bottom: 0 !important; }
}