/* Phare IA : site de présentation. Couleurs de la marque : sarcelle #0F766E, menthe #5EEAD4 */
:root {
  --sarcelle: #0F766E; --sarcelle-fonce: #0B5F58; --menthe: #5EEAD4;
  --encre: #17201F; --doux: #56615F; --ligne: #E2E8E6; --fond: #FAFBFA; --carte: #FFFFFF; --alt: #F1F6F5;
  --nuit: #0B1F1D; --nuit-2: #10302C;
  --rouge: #B42318; --rouge-fond: #FDECEA; --ambre: #A44A04; --ambre-fond: #FDF1E4; --vert: #157A3B; --vert-fond: #E6F5EB;
  --rayon: 18px; --ombre: 0 24px 60px -30px rgba(11, 31, 29, .45);
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 76px; }
body { margin: 0; font: 17px/1.6 "Segoe UI Variable Text", "Segoe UI", system-ui, -apple-system, "Helvetica Neue", Arial, sans-serif; color: var(--encre); background: var(--fond); -webkit-font-smoothing: antialiased; }
img, svg { display: block; }
a { color: var(--sarcelle); }
:focus-visible { outline: 3px solid #2563EB; outline-offset: 3px; border-radius: 6px; }
.contenu { max-width: 1160px; margin: 0 auto; padding: 0 24px; }
.evitement { position: absolute; left: -999px; top: 8px; background: #fff; padding: 8px 14px; border-radius: 8px; z-index: 50; }
.evitement:focus { left: 8px; }
h1, h2, h3 { line-height: 1.12; letter-spacing: -.02em; margin: 0; }
h2 { font-size: clamp(28px, 3.6vw, 42px); margin-bottom: 14px; }
h3 { font-size: 20px; margin-bottom: 8px; }

/* Boutons */
.bouton { display: inline-flex; align-items: center; justify-content: center; gap: 8px; background: var(--sarcelle); color: #fff; text-decoration: none; font-weight: 650; padding: 11px 20px; border-radius: 999px; border: 2px solid transparent; white-space: nowrap; transition: background .2s, transform .2s, box-shadow .2s; }
.bouton:hover { background: var(--sarcelle-fonce); transform: translateY(-1px); box-shadow: 0 10px 24px -12px rgba(15, 118, 110, .8); }
.bouton-clair { background: transparent; color: var(--sarcelle); border-color: currentColor; }
.bouton-clair:hover { background: rgba(15, 118, 110, .08); box-shadow: none; }
.bouton-grand { padding: 14px 26px; font-size: 17px; }
.lien-discret { color: inherit; text-decoration: none; font-weight: 600; }
.lien-discret:hover { color: var(--sarcelle); }

/* En-tête */
.entete { position: sticky; top: 0; z-index: 20; background: rgba(250, 251, 250, .86); backdrop-filter: saturate(1.4) blur(12px); border-bottom: 1px solid var(--ligne); }
.entete-ligne { display: flex; align-items: center; gap: 24px; height: 68px; }
.marque { display: inline-flex; align-items: center; gap: 10px; font-weight: 750; font-size: 19px; text-decoration: none; color: var(--encre); }
.menu { display: flex; gap: 22px; margin-left: 12px; }
.menu a { color: var(--doux); text-decoration: none; font-weight: 550; font-size: 15.5px; }
.menu a:hover { color: var(--encre); }
.entete-actions { margin-left: auto; display: flex; align-items: center; gap: 18px; }

/* Héros : nuit et faisceau du phare */
.hero { position: relative; overflow: hidden; background: radial-gradient(1200px 600px at 85% -10%, var(--nuit-2), var(--nuit) 60%); color: #EAF4F2; padding: 88px 0 96px; }
.faisceau { position: absolute; inset: -40% -20% auto auto; width: 140%; height: 180%; background: conic-gradient(from 200deg at 78% 30%, transparent 0deg, rgba(94, 234, 212, .16) 14deg, transparent 30deg); transform-origin: 78% 30%; animation: balayage 9s ease-in-out infinite alternate; pointer-events: none; }
@keyframes balayage { from { transform: rotate(-10deg); } to { transform: rotate(14deg); } }
.hero-grille { position: relative; display: grid; grid-template-columns: 1.08fr .92fr; gap: 56px; align-items: center; }
.sur-titre { display: inline-flex; align-items: center; gap: 10px; margin: 0 0 22px; padding: 6px 14px; border: 1px solid rgba(94, 234, 212, .35); border-radius: 999px; font-size: 14px; font-weight: 600; color: var(--menthe); }
.point-vivant { width: 8px; height: 8px; border-radius: 50%; background: var(--menthe); box-shadow: 0 0 0 0 rgba(94, 234, 212, .6); animation: pulsation 2s infinite; }
@keyframes pulsation { 70% { box-shadow: 0 0 0 10px rgba(94, 234, 212, 0); } 100% { box-shadow: 0 0 0 0 rgba(94, 234, 212, 0); } }
.hero h1 { font-size: clamp(36px, 5.2vw, 62px); margin-bottom: 20px; color: #fff; }
.lumiere { background: linear-gradient(90deg, var(--menthe), #A7F3D0); -webkit-background-clip: text; background-clip: text; color: transparent; }
.chapo { font-size: 19.5px; color: #B9CBC8; max-width: 600px; margin: 0 0 30px; }
.actions { display: flex; gap: 12px; flex-wrap: wrap; }
.hero .bouton { background: var(--menthe); color: var(--nuit); }
.hero .bouton:hover { background: #99F6E4; }
.hero .bouton-clair { background: transparent; color: #EAF4F2; border-color: rgba(234, 244, 242, .4); }
.hero .bouton-clair:hover { background: rgba(255, 255, 255, .06); }
.confiance { display: flex; flex-wrap: wrap; gap: 8px 22px; list-style: none; padding: 0; margin: 30px 0 0; font-size: 14.5px; color: #A7BDB9; }
.confiance li::before { content: "✓"; color: var(--menthe); font-weight: 800; margin-right: 8px; }

/* Maquette de l'espace agences */
.ecran { background: #fff; color: var(--encre); border-radius: 16px; box-shadow: 0 40px 90px -30px rgba(0, 0, 0, .7), 0 0 0 1px rgba(255, 255, 255, .08); overflow: hidden; transform: perspective(1400px) rotateY(-7deg) rotateX(3deg); }
.ecran-barre { display: flex; align-items: center; gap: 6px; padding: 10px 14px; background: #EEF3F2; border-bottom: 1px solid var(--ligne); }
.ecran-barre span { width: 10px; height: 10px; border-radius: 50%; background: #CBD5D3; }
.ecran-barre em { margin-left: 10px; font-style: normal; font-size: 12px; color: var(--doux); }
.ecran-corps { position: relative; display: grid; grid-template-columns: repeat(4, 1fr); gap: 10px; padding: 18px; }
.kpi { border: 1px solid var(--ligne); border-radius: 12px; padding: 10px; }
.kpi b { display: block; font-size: 24px; }
.kpi small { font-size: 11.5px; color: var(--doux); line-height: 1.3; display: block; }
.kpi.vert b { color: var(--vert); } .kpi.ambre b { color: var(--ambre); } .kpi.rouge b { color: var(--rouge); }
.ligne-site { grid-column: 1 / -1; display: flex; justify-content: space-between; align-items: center; gap: 10px; padding: 10px 12px; border: 1px solid var(--ligne); border-radius: 10px; font-size: 14px; font-weight: 600; }
.p { font-style: normal; font-size: 12px; font-weight: 650; padding: 3px 10px; border-radius: 999px; white-space: nowrap; }
.p.rouge { background: var(--rouge-fond); color: var(--rouge); } .p.ambre { background: var(--ambre-fond); color: var(--ambre); } .p.vert { background: var(--vert-fond); color: var(--vert); }
.alerte-flottante { position: absolute; right: -14px; bottom: -18px; background: var(--nuit); color: #EAF4F2; font-size: 13px; padding: 10px 14px; border-radius: 12px; box-shadow: var(--ombre); animation: flotter 4s ease-in-out infinite; }
.alerte-flottante b { color: var(--menthe); margin-right: 6px; }
@keyframes flotter { 50% { transform: translateY(-6px); } }

/* Sections */
.bloc { padding: 96px 0; }
.alt { background: var(--alt); }
.etiquette { display: inline-block; margin: 0 0 12px; font-size: 13.5px; font-weight: 750; letter-spacing: .08em; text-transform: uppercase; color: var(--sarcelle); }
.intro { color: var(--doux); font-size: 18px; max-width: 640px; margin: 0 0 26px; }
.note { color: var(--doux); font-size: 14.5px; margin-top: 22px; max-width: 820px; }

/* Frise de la loi */
.frise { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; margin-top: 28px; }
.jalon { position: relative; background: var(--carte); border: 1px solid var(--ligne); border-radius: var(--rayon); padding: 26px 24px 24px; }
.jalon time { display: inline-block; font-size: 13px; font-weight: 700; color: var(--sarcelle); background: #E3F4F1; padding: 4px 10px; border-radius: 999px; margin-bottom: 14px; }
.jalon p { margin: 0; color: var(--doux); font-size: 15.5px; }

/* Démo interactive */
.demo-grille { display: grid; grid-template-columns: .9fr 1.1fr; gap: 56px; align-items: center; }
.interrupteur, .periode { display: inline-flex; padding: 5px; background: #fff; border: 1px solid var(--ligne); border-radius: 999px; gap: 4px; }
.choix { font: inherit; font-size: 15px; font-weight: 650; border: 0; background: transparent; color: var(--doux); padding: 9px 18px; border-radius: 999px; cursor: pointer; }
.choix[aria-pressed="true"] { background: var(--sarcelle); color: #fff; }
.choix em { font-style: normal; font-size: 12.5px; opacity: .85; margin-left: 4px; }
.verdict { margin: 22px 0 18px; min-height: 52px; color: var(--doux); }
.verdict .p { margin-right: 8px; }
.rapports { display: flex; gap: 18px; flex-wrap: wrap; font-weight: 600; }
.faux-site { background: #FBF7F2; border-radius: 16px; box-shadow: var(--ombre); overflow: hidden; border: 1px solid #EADFD3; font-family: Georgia, serif; }
.fs-barre { display: flex; justify-content: space-between; align-items: center; padding: 14px 20px; background: #fff; border-bottom: 1px solid #EADFD3; color: #2B2622; }
.fs-barre span { font: 13px/1 Arial, sans-serif; color: #7A6F65; }
.fs-image { position: relative; height: 230px; margin: 18px; border-radius: 12px; background: radial-gradient(closest-side at 50% 38%, rgba(255, 214, 120, .75), transparent 70%), linear-gradient(180deg, #F4EDE4 0 62%, #CDB49A 62%); display: flex; align-items: flex-end; }
.fs-image p { margin: 0 0 18px 20px; font-size: 22px; color: #2B2622; }
.badge-ia { position: absolute; top: 12px; left: 12px; display: inline-flex; align-items: center; gap: 6px; padding: 3px 10px 3px 3px; border-radius: 999px; background: rgba(17, 17, 16, .84); color: #fff; font: 650 12px/1.25 Arial, sans-serif; opacity: 0; transform: translateY(-6px); transition: opacity .35s, transform .35s; }
.fs-chat { position: relative; margin: 0 18px 18px auto; width: min(330px, calc(100% - 36px)); background: #fff; border-radius: 14px; box-shadow: 0 12px 30px rgba(0, 0, 0, .14); font-family: Arial, sans-serif; font-size: 14px; overflow: hidden; }
.fs-chat-tete { background: #2B2622; color: #fff; font-weight: 700; padding: 11px 14px; }
.fs-mention { display: flex; align-items: center; gap: 8px; margin: 0; max-height: 0; padding: 0 14px; overflow: hidden; background: #F1F6F5; color: #17201F; font-weight: 600; transition: max-height .35s, padding .35s; }
.fs-bulle { margin: 12px 14px 14px; background: #F3EDE6; border-radius: 12px 12px 12px 4px; padding: 10px 12px; line-height: 1.45; }
.faux-site[data-mode="avec"] .badge-ia { opacity: 1; transform: none; }
.faux-site[data-mode="avec"] .fs-mention { max-height: 60px; padding: 10px 14px; }

/* Étapes et atouts */
.etapes { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; margin-top: 30px; }
.etape { background: var(--carte); border: 1px solid var(--ligne); border-radius: var(--rayon); padding: 28px; }
.etape p { margin: 0; color: var(--doux); }
.num { display: inline-grid; place-items: center; width: 38px; height: 38px; border-radius: 12px; background: linear-gradient(135deg, var(--sarcelle), #14B8A6); color: #fff; font-weight: 800; margin-bottom: 16px; }
.atouts { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; margin-top: 20px; }
.atout { display: flex; gap: 14px; align-items: baseline; padding: 18px 20px; border-radius: 14px; background: var(--alt); }
.atout b { font-size: 21px; color: var(--sarcelle); white-space: nowrap; }
.atout span { color: var(--doux); font-size: 15px; }

/* Preuves (fond nuit) */
.sombre { background: var(--nuit); color: #EAF4F2; }
.sombre h2 { color: #fff; }
.etiquette.clair { color: var(--menthe); }
.chiffres { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; margin-top: 30px; }
.chiffre { border: 1px solid rgba(94, 234, 212, .2); border-radius: var(--rayon); padding: 24px; background: rgba(255, 255, 255, .03); }
.chiffre b { display: block; font-size: 44px; line-height: 1.05; color: var(--menthe); margin-bottom: 8px; }
.chiffre span { color: #A7BDB9; font-size: 15px; }
.note.clair { color: #8FA6A2; }

/* Tarifs */
.lancement { background: var(--nuit); color: #EAF4F2; border-radius: 16px; padding: 18px 22px; margin: 18px 0 24px; }
.lancement strong { color: var(--menthe); }
.periode { margin-bottom: 26px; }
.tarifs { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; align-items: stretch; }
.carte { background: var(--carte); border: 1px solid var(--ligne); border-radius: var(--rayon); padding: 28px; }
.tarif { position: relative; display: flex; flex-direction: column; }
.tarif ul { flex: 1; margin: 14px 0 24px; padding-left: 20px; color: var(--doux); }
.tarif li { margin: 6px 0; }
.prix { display: flex; align-items: baseline; gap: 8px; margin: 6px 0 0; }
.montant { font-size: 40px; font-weight: 800; letter-spacing: -.02em; }
.unite { color: var(--doux); font-size: 15px; }
.vedette { border: 2px solid var(--sarcelle); box-shadow: 0 30px 60px -32px rgba(15, 118, 110, .6); transform: translateY(-8px); }
.badge-tarif { position: absolute; top: -13px; left: 26px; background: var(--sarcelle); color: #fff; font-size: 13px; font-weight: 700; padding: 4px 12px; border-radius: 999px; }

/* FAQ */
.faq { max-width: 860px; }
details { border-bottom: 1px solid var(--ligne); padding: 18px 0; }
summary { cursor: pointer; font-weight: 650; font-size: 18px; list-style: none; display: flex; justify-content: space-between; gap: 16px; }
summary::-webkit-details-marker { display: none; }
summary::after { content: "+"; color: var(--sarcelle); font-size: 24px; line-height: 1; transition: transform .2s; }
details[open] summary::after { transform: rotate(45deg); }
details p { color: var(--doux); margin: 12px 0 0; }

/* Appel final et pied de page */
.appel { padding: 0 0 96px; }
.appel-grille { display: flex; align-items: center; justify-content: space-between; gap: 28px; background: linear-gradient(120deg, var(--sarcelle), #14B8A6); color: #fff; border-radius: 24px; padding: 44px 48px; }
.appel h2 { color: #fff; margin-bottom: 6px; }
.appel p { margin: 0; color: #DDF6F1; }
.appel .bouton { background: #fff; color: var(--sarcelle-fonce); }
.appel .bouton:hover { background: #F0FDFA; }
.pied { border-top: 1px solid var(--ligne); padding: 48px 0 28px; color: var(--doux); font-size: 15px; }
.pied-grille { display: grid; grid-template-columns: 1.6fr 1fr 1fr 1fr; gap: 28px; }
.pied p { margin: 12px 0 0; max-width: 340px; }
.pied nav { display: flex; flex-direction: column; gap: 8px; }
.pied nav b { color: var(--encre); }
.pied nav a { color: var(--doux); text-decoration: none; }
.pied nav a:hover { color: var(--sarcelle); }
.pied-bas { margin-top: 32px; font-size: 13.5px; }

/* Écrans étroits */
@media (max-width: 960px) {
  .menu { display: none; }
  .hero { padding: 64px 0 72px; }
  .hero-grille, .demo-grille { grid-template-columns: 1fr; gap: 40px; }
  .ecran { transform: none; }
  .frise, .etapes, .tarifs { grid-template-columns: 1fr; }
  .atouts { grid-template-columns: 1fr 1fr; }
  .chiffres { grid-template-columns: 1fr 1fr; }
  .vedette { transform: none; }
  .appel-grille { flex-direction: column; align-items: flex-start; padding: 32px 28px; }
  .pied-grille { grid-template-columns: 1fr 1fr; }
  .bloc { padding: 72px 0; }
}
@media (max-width: 560px) {
  .entete-actions .lien-discret { display: none; }
  .entete-ligne { gap: 12px; }
  .marque { font-size: 17px; white-space: nowrap; }
  .entete .bouton { padding: 9px 14px; font-size: 14.5px; }
  .atouts, .chiffres, .pied-grille { grid-template-columns: 1fr; }
  .ecran-corps { grid-template-columns: 1fr 1fr; }
  .alerte-flottante { right: 8px; }
}

/* Respect du réglage « réduire les animations » */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .faisceau, .point-vivant, .alerte-flottante { animation: none; }
  .badge-ia, .fs-mention, .bouton { transition: none; }
}