/* ============================================================
   SOGA Sénégal — Feuille de style principale
   Palette : marine #0E1F45 · bleu vif #1E6FF2 (dérivée du logo)
   ============================================================ */

:root {
    --marine: #0E1F45;
    --marine-fonce: #081430;
    --bleu: #1E6FF2;
    --bleu-clair: #5B96F7;
    --degrade: linear-gradient(100deg, #1E6FF2, #37B3F5);
    --encre: #0F172A;
    --texte: #334155;
    --texte-doux: #64748B;
    --fond: #F7F9FC;
    --blanc: #FFFFFF;
    --bordure: #E2E8F0;
    --rayon: 16px;
    --ombre: 0 10px 30px -12px rgba(14, 31, 69, .18);
    --ombre-forte: 0 20px 45px -15px rgba(14, 31, 69, .3);
    --police-titres: 'Space Grotesk', system-ui, sans-serif;
    --police-texte: 'Inter', system-ui, sans-serif;
}

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

html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }

body {
    font-family: var(--police-texte);
    font-size: 16px;
    line-height: 1.65;
    color: var(--texte);
    background: var(--blanc);
    overflow-x: hidden;
}

img { max-width: 100%; height: auto; display: block; }
a { color: var(--bleu); text-decoration: none; }

h1, h2, h3, h4 {
    font-family: var(--police-titres);
    color: var(--encre);
    line-height: 1.15;
    letter-spacing: -.02em;
}

.conteneur { max-width: 1180px; margin: 0 auto; padding: 0 20px; }

.texte-degrade {
    background: var(--degrade);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}

/* ── Boutons ─────────────────────────────────────────────── */
.btn {
    display: inline-flex; align-items: center; gap: 8px;
    padding: 13px 26px; border-radius: 999px;
    font-weight: 600; font-size: 15px; font-family: var(--police-texte);
    border: 2px solid transparent; cursor: pointer;
    transition: box-shadow .25s, background-color .25s, border-color .25s, color .25s;
}
.btn-degrade { background: var(--degrade); color: #fff; }
.btn-degrade:hover { box-shadow: 0 8px 25px -6px rgba(30, 111, 242, .55); }
.btn-fantome { border-color: rgba(255,255,255,.35); color: #fff; }
.btn-fantome:hover { border-color: #fff; background: rgba(255,255,255,.08); }
.btn-contour { border-color: var(--bleu); color: var(--bleu); }
.btn-contour:hover { background: var(--bleu); color: #fff; }

/* ── Header ──────────────────────────────────────────────── */
.site-header {
    position: fixed; top: 0; left: 0; right: 0; z-index: 50;
    background: rgba(14, 31, 69, .55);
    backdrop-filter: blur(14px);
    -webkit-backdrop-filter: blur(14px);
    transition: background-color .3s, box-shadow .3s;
}
.site-header.compact { background: rgba(8, 20, 48, .92); box-shadow: 0 4px 24px rgba(0,0,0,.25); }
.header-inner { display: flex; align-items: center; justify-content: space-between; height: 84px; transition: height .3s; }
.site-header.compact .header-inner { height: 72px; }
.logo-lien {
    display: inline-flex; align-items: center; gap: 10px;
    font-family: var(--police-titres); font-weight: 700; font-size: 24px; color: #fff;
    position: relative; flex-shrink: 0;
}
.logo-lien-badge {
    position: relative; display: grid; place-items: center;
    width: 62px; height: 62px; border-radius: 18px;
    background: rgba(255, 255, 255, .96);
    border: 1px solid rgba(255, 255, 255, .5);
    box-shadow: 0 8px 22px -6px rgba(0, 0, 0, .35), 0 0 0 5px rgba(30, 111, 242, .12);
    transition: width .3s, height .3s, transform .3s, box-shadow .3s;
    animation: respirer-logo 4s ease-in-out infinite;
}
@keyframes respirer-logo {
    0%, 100% { box-shadow: 0 8px 22px -6px rgba(0, 0, 0, .35), 0 0 0 5px rgba(30, 111, 242, .12); }
    50% { box-shadow: 0 8px 22px -6px rgba(0, 0, 0, .35), 0 0 0 8px rgba(30, 111, 242, .22); }
}
.logo-lien-badge::before {
    content: ''; position: absolute; inset: -6px; border-radius: 22px;
    background: var(--degrade); opacity: 0; z-index: -1; filter: blur(10px);
    transition: opacity .3s;
}
.logo-lien:hover .logo-lien-badge {
    transform: translateY(-2px) scale(1.05);
    box-shadow: 0 12px 28px -6px rgba(0, 0, 0, .4), 0 0 0 5px rgba(30, 111, 242, .22);
}
.logo-lien:hover .logo-lien-badge::before { opacity: .55; }
.site-header.compact .logo-lien-badge { width: 50px; height: 50px; border-radius: 15px; }
.logo-lien img {
    width: 76%; height: 76%; display: block; object-fit: contain;
    transition: transform .35s ease;
}
.logo-lien:hover img { transform: scale(1.08) rotate(-4deg); }

.nav-principale { display: flex; align-items: center; gap: 28px; }
.nav-principale > a:not(.nav-cta) {
    color: rgba(255,255,255,.85); font-weight: 500; font-size: 15px;
    position: relative; padding: 6px 0; transition: color .2s;
}
.nav-principale > a:not(.nav-cta)::after {
    content: ''; position: absolute; left: 0; bottom: 0;
    width: 100%; height: 2px; background: var(--degrade);
    transform: scaleX(0); transform-origin: left; transition: transform .25s;
}
.nav-principale > a:not(.nav-cta):hover,
.nav-principale > a.actif { color: #fff; }
.nav-principale > a:not(.nav-cta):hover::after,
.nav-principale > a.actif::after { transform: scaleX(1); }
.nav-cta { padding: 10px 22px; font-size: 14px; }

.burger { display: none; background: none; border: 0; color: #fff; cursor: pointer; padding: 8px; }
.burger .burger-icone-x { display: none; }
body.menu-ouvert .burger .burger-icone-menu { display: none; }
body.menu-ouvert .burger .burger-icone-x { display: block; }

/* ── Hero ────────────────────────────────────────────────── */
.hero {
    position: relative; overflow: hidden;
    background: radial-gradient(1100px 600px at 80% -10%, #1a3a7d 0%, var(--marine) 45%, var(--marine-fonce) 100%);
    color: #fff;
    padding: 170px 0 110px;
}
.hero::before {
    content: ''; position: absolute; inset: 0; opacity: .5;
    background-image: radial-gradient(rgba(91, 150, 247, .18) 1.5px, transparent 1.5px);
    background-size: 34px 34px;
    mask-image: linear-gradient(to bottom, transparent, #000 30%, transparent 95%);
    -webkit-mask-image: linear-gradient(to bottom, transparent, #000 30%, transparent 95%);
}
.hero-inner { position: relative; display: grid; grid-template-columns: 1.15fr .85fr; gap: 60px; align-items: center; }
.hero h1 { font-size: clamp(34px, 5vw, 56px); color: #fff; margin-bottom: 22px; }
.hero .mot-rotatif { display: inline-block; min-width: 5ch; }
.hero p.sous-titre { font-size: 18px; color: rgba(255,255,255,.78); max-width: 540px; margin-bottom: 34px; }
.hero-actions { display: flex; gap: 16px; flex-wrap: wrap; }

.hero-visuel { position: relative; }
.hero-carte {
    background: rgba(255,255,255,.06);
    border: 1px solid rgba(255,255,255,.14);
    border-radius: 20px; padding: 26px;
    backdrop-filter: blur(8px);
    box-shadow: var(--ombre-forte);
}
.hero-carte + .hero-carte { margin-top: 18px; }
.hero-carte .ligne { display: flex; align-items: center; gap: 14px; }
.hero-carte .puce {
    width: 46px; height: 46px; flex: 0 0 46px; border-radius: 13px;
    display: grid; place-items: center; color: #fff; background: var(--degrade);
}
.hero-carte h3 { color: #fff; font-size: 17px; }
.hero-carte p { color: rgba(255,255,255,.65); font-size: 14px; }
.hero-carte.flottante { animation: flotter 6s ease-in-out infinite; }
.hero-carte.flottante-2 { animation: flotter 7s ease-in-out 1.2s infinite; }
@keyframes flotter { 0%, 100% { transform: translateY(0); } 50% { transform: translateY(-12px); } }

/* ── Marquee logos clients ───────────────────────────────── */
.bande-clients { background: var(--marine-fonce); padding: 28px 0 40px; overflow: hidden; }
.bande-clients .intitule {
    text-align: center; color: rgba(255,255,255,.5);
    font-size: 13px; text-transform: uppercase; letter-spacing: .14em; margin-bottom: 22px;
}
.marquee { display: flex; overflow: hidden; gap: 60px;
    mask-image: linear-gradient(to right, transparent, #000 8%, #000 92%, transparent);
    -webkit-mask-image: linear-gradient(to right, transparent, #000 8%, #000 92%, transparent);
}
.marquee-piste { display: flex; align-items: center; gap: 60px; flex-shrink: 0; animation: defiler 35s linear infinite; }
.marquee:hover .marquee-piste { animation-play-state: paused; }
@keyframes defiler { to { transform: translateX(calc(-100% - 60px)); } }
.marquee-piste img { height: 64px; width: auto; filter: grayscale(1) brightness(2.2); opacity: .7; transition: filter .25s, opacity .25s; }
.marquee-piste img:hover { filter: none; opacity: 1; }
.marquee-piste .client-texte { color: rgba(255,255,255,.6); font-weight: 600; white-space: nowrap; font-size: 17px; }

/* ── Sections génériques ─────────────────────────────────── */
.section { padding: 90px 0; }
.section.fond-doux { background: var(--fond); }
.section.fond-sombre { background: linear-gradient(160deg, var(--marine) 0%, var(--marine-fonce) 100%); color: rgba(255,255,255,.8); }
.section.fond-sombre h2, .section.fond-sombre h3 { color: #fff; }

.entete-section { max-width: 640px; margin: 0 auto 56px; text-align: center; }
.entete-section .surtitre {
    display: inline-block; font-size: 13px; font-weight: 600; letter-spacing: .12em;
    text-transform: uppercase; color: var(--bleu); margin-bottom: 12px;
}
.section.fond-sombre .surtitre { color: var(--bleu-clair); }
.entete-section h2 { font-size: clamp(28px, 3.6vw, 40px); margin-bottom: 14px; }
.entete-section p { color: var(--texte-doux); font-size: 17px; }
.section.fond-sombre .entete-section p { color: rgba(255,255,255,.65); }

/* ── Cartes services ─────────────────────────────────────── */
.grille-services { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.carte-service {
    position: relative; background: var(--blanc);
    border: 1px solid var(--bordure); border-radius: var(--rayon);
    padding: 34px 28px; cursor: pointer;
    transition: box-shadow .3s, border-color .3s, transform .3s;
    display: flex; flex-direction: column;
}
.carte-service:hover { box-shadow: var(--ombre-forte); border-color: rgba(30,111,242,.4); transform: translateY(-5px); }
.carte-service .icone {
    width: 58px; height: 58px; border-radius: 16px; margin-bottom: 22px;
    display: grid; place-items: center; color: #fff; background: var(--degrade);
    box-shadow: 0 8px 20px -6px rgba(30,111,242,.5);
}
.carte-service h3 { font-size: 20px; margin-bottom: 12px; }
.carte-service p { color: var(--texte-doux); font-size: 15px; flex: 1; }
.carte-service .lien-carte { margin-top: 20px; font-weight: 600; font-size: 15px; display: inline-flex; align-items: center; gap: 7px; }
.carte-service .lien-carte svg { transition: transform .25s; }
.carte-service:hover .lien-carte svg { transform: translateX(5px); }

/* ── Statistiques ────────────────────────────────────────── */
.grille-stats { display: grid; grid-template-columns: repeat(4, 1fr); gap: 30px; text-align: center; }
.stat h3 { font-size: clamp(38px, 5vw, 58px); color: #fff; font-variant-numeric: tabular-nums; }
.stat h3 .plus { color: var(--bleu-clair); }
.stat p { color: rgba(255,255,255,.6); font-weight: 500; margin-top: 6px; }

/* ── Grille solutions / projets ──────────────────────────── */
.grille-cartes { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.carte-item {
    background: var(--blanc); border: 1px solid var(--bordure);
    border-radius: var(--rayon); overflow: hidden;
    transition: box-shadow .3s, transform .3s; cursor: pointer;
    display: flex; flex-direction: column;
}
.carte-item:hover { box-shadow: var(--ombre-forte); transform: translateY(-5px); }
.carte-item .visuel {
    aspect-ratio: 16 / 9; overflow: hidden;
    background: linear-gradient(135deg, #16305f, var(--marine));
    display: grid; place-items: center; color: var(--bleu-clair);
}
.carte-item .visuel img { width: 100%; height: 100%; object-fit: cover; transition: transform .4s; }
.carte-item:hover .visuel img { transform: scale(1.05); }
.carte-item .corps { padding: 22px 24px 26px; flex: 1; display: flex; flex-direction: column; gap: 8px; }
.carte-item h3 { font-size: 19px; }
.carte-item p { color: var(--texte-doux); font-size: 14.5px; flex: 1; }
.badge {
    display: inline-block; align-self: flex-start; font-size: 12px; font-weight: 600;
    padding: 4px 12px; border-radius: 999px;
    background: rgba(30,111,242,.1); color: var(--bleu);
}
.badge-vedette { background: var(--degrade); color: #fff; }

/* Section sombre : cartes en verre */
.fond-sombre .carte-item { background: rgba(255,255,255,.05); border-color: rgba(255,255,255,.12); }
.fond-sombre .carte-item h3 { color: #fff; }
.fond-sombre .carte-item p { color: rgba(255,255,255,.62); }

/* ── Section IA vedette ──────────────────────────────────── */
.bloc-ia { display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: center; }
.bloc-ia .icone-grande {
    width: 74px; height: 74px; border-radius: 20px; margin-bottom: 26px;
    display: grid; place-items: center; color: #fff; background: var(--degrade);
    box-shadow: 0 12px 30px -8px rgba(30,111,242,.6);
}
.bloc-ia h2 { font-size: clamp(28px, 3.4vw, 38px); margin-bottom: 18px; }
.bloc-ia p { margin-bottom: 16px; }
.liste-points { text-align: justify; list-style: none; margin: 22px 0 30px; display: grid; gap: 12px; }
.liste-points li { display: flex; gap: 12px; align-items: flex-start; }
.liste-points .coche { color: var(--bleu-clair); flex-shrink: 0; margin-top: 3px; }

/* ── Témoignages ─────────────────────────────────────────── */
.grille-temoignages { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.carte-temoignage {
    background: var(--blanc); border: 1px solid var(--bordure);
    border-radius: var(--rayon); padding: 30px;
    display: flex; flex-direction: column; gap: 18px;
}
.carte-temoignage .guillemets { color: var(--bleu); opacity: .35; }
.carte-temoignage blockquote { font-size: 15.5px; color: var(--texte); flex: 1; }
.carte-temoignage .auteur { display: flex; align-items: center; gap: 12px; }
.carte-temoignage .auteur img { width: 46px; height: 46px; border-radius: 50%; object-fit: cover; }
.carte-temoignage .auteur .initiales {
    width: 46px; height: 46px; border-radius: 50%; background: var(--degrade);
    color: #fff; display: grid; place-items: center; font-weight: 700;
}
.carte-temoignage .auteur strong { display: block; color: var(--encre); font-size: 15px; }
.carte-temoignage .auteur span { font-size: 13px; color: var(--texte-doux); }

/* ── CTA final ───────────────────────────────────────────── */
.cta-final {
    position: relative; overflow: hidden; text-align: center;
    background: var(--degrade); color: #fff;
    padding: 90px 20px; border-radius: 24px;
}
.cta-final h2 { color: #fff; font-size: clamp(28px, 3.6vw, 42px); margin-bottom: 16px; }
.cta-final p { max-width: 520px; margin: 0 auto 32px; color: rgba(255,255,255,.85); font-size: 17px; }
.cta-final .btn { background: #fff; color: var(--marine); }
.cta-final .btn:hover { box-shadow: 0 10px 30px rgba(0,0,0,.25); }

/* ── Pages internes ──────────────────────────────────────── */
.entete-page {
    background: radial-gradient(900px 400px at 70% -30%, #1a3a7d 0%, var(--marine) 55%, var(--marine-fonce) 100%);
    color: #fff; padding: 150px 0 70px; text-align: center;
}
.entete-page h1 { color: #fff; font-size: clamp(30px, 4.5vw, 46px); margin-bottom: 12px; }
.entete-page p { color: rgba(255,255,255,.7); max-width: 560px; margin: 0 auto; font-size: 17px; }

.filtres { display: flex; flex-wrap: wrap; gap: 10px; justify-content: center; margin-bottom: 44px; }
.filtres a {
    padding: 9px 20px; border-radius: 999px; font-size: 14px; font-weight: 600;
    border: 1.5px solid var(--bordure); color: var(--texte);
    transition: border-color .2s, color .2s, background-color .2s;
}
.filtres a:hover { border-color: var(--bleu); color: var(--bleu); }
.filtres a.actif { background: var(--bleu); border-color: var(--bleu); color: #fff; }

.prose { max-width: 760px; margin: 0 auto; font-size: 17px; }
.prose p { margin-bottom: 18px; text-align: justify; text-justify: inter-word; }
.prose h2, .prose h3, .prose h4 { margin: 30px 0 14px; }
.prose h4 { font-size: 18px; }
.prose strong { color: var(--encre); }
.prose a { text-decoration: underline; text-underline-offset: 2px; }
.prose ul, .prose ol { margin: 0 0 18px; padding-left: 22px; }
.prose ul { list-style: disc; }
.prose ol { list-style: decimal; }
.prose li { margin-bottom: 8px; }
.prose li::marker { color: var(--bleu); }
.prose blockquote {
    margin: 22px 0; padding: 4px 22px; border-left: 3px solid var(--bleu);
    color: var(--texte-doux); font-style: italic;
}

.detail-grille { display: grid; grid-template-columns: 1.1fr .9fr; gap: 50px; align-items: start; }
.detail-visuel { border-radius: var(--rayon); overflow: hidden; box-shadow: var(--ombre); position: sticky; top: 100px; }
.detail-meta { display: flex; flex-wrap: wrap; gap: 10px; margin: 18px 0 26px; }

/* ── CTA sidebar rapide (fiche service) ──────────────────────── */
.service-grille { display: grid; grid-template-columns: 1.15fr .85fr; gap: 46px; align-items: start; }
.service-cta {
    position: sticky; top: 100px;
    background: var(--blanc); border: 1px solid var(--bordure); border-radius: var(--rayon);
    padding: 32px 28px; box-shadow: var(--ombre); overflow: hidden;
}
.service-cta::before {
    content: ''; position: absolute; top: 0; left: 0; right: 0; height: 5px; background: var(--degrade);
}
.service-cta-icone {
    width: 50px; height: 50px; border-radius: 14px; margin-bottom: 16px;
    display: grid; place-items: center; color: #fff; background: var(--degrade);
    box-shadow: 0 8px 20px -6px rgba(30, 111, 242, .55);
    animation: respirer-icone 3.2s ease-in-out infinite;
}
@keyframes respirer-icone {
    0%, 100% { transform: scale(1); box-shadow: 0 8px 20px -6px rgba(30, 111, 242, .55); }
    50% { transform: scale(1.08); box-shadow: 0 10px 24px -4px rgba(30, 111, 242, .75); }
}
.service-cta h3 { font-size: 20px; margin-bottom: 8px; }
.service-cta-texte { color: var(--texte-doux); font-size: 14.5px; margin-bottom: 22px; }
.service-cta-form.form-grille { grid-template-columns: 1fr; gap: 14px; }
.service-cta-form .btn { width: 100%; justify-content: center; }
.service-cta-points { list-style: none; display: grid; gap: 8px; margin-top: 20px; }
.service-cta-points li {
    display: flex; align-items: center; gap: 8px; font-size: 13.5px; font-weight: 500; color: var(--texte-doux);
}
.service-cta-points svg { color: var(--bleu); flex-shrink: 0; }

@media (max-width: 1024px) {
    .service-grille { grid-template-columns: 1fr; }
    .service-cta { position: static; }
}

/* ── CTA formulaire rapide (fiche solution) ─────────────────── */
.cta-solution-section { padding-top: 0; }
.cta-solution {
    display: grid; grid-template-columns: .85fr 1.15fr; gap: 0;
    background: linear-gradient(150deg, var(--marine) 0%, var(--marine-fonce) 100%);
    border-radius: 24px; overflow: hidden; box-shadow: var(--ombre-forte);
    position: relative;
}
.cta-solution::before {
    content: ''; position: absolute; inset: 0; pointer-events: none;
    background: radial-gradient(520px 320px at 0% 0%, rgba(30,111,242,.35), transparent 60%);
}
.cta-solution-intro {
    position: relative; padding: 48px 40px; color: #fff;
    display: flex; flex-direction: column; gap: 16px; justify-content: center;
}
.cta-solution-intro h2 { color: #fff; font-size: clamp(24px, 2.6vw, 30px); }
.cta-solution-intro p { color: rgba(255,255,255,.72); font-size: 15.5px; }
.cta-solution-points { list-style: none; display: grid; gap: 10px; margin-top: 6px; }
.cta-solution-points li {
    display: flex; align-items: center; gap: 10px;
    color: rgba(255,255,255,.9); font-weight: 500; font-size: 14.5px;
}
.cta-solution-points svg { color: #4ADE80; flex-shrink: 0; }
.cta-solution-form {
    position: relative; background: var(--blanc);
    padding: 40px; margin: 14px; border-radius: 18px;
    align-content: start;
}
.cta-solution-form .btn { width: 100%; justify-content: center; }

@media (max-width: 1024px) {
    .cta-solution { grid-template-columns: 1fr; }
    .cta-solution-form { margin: 0 16px 16px; }
}
@media (max-width: 720px) {
    .cta-solution-intro { padding: 36px 24px 8px; }
    .cta-solution-form { padding: 28px 22px; margin: 0 12px 12px; }
}

/* ── Formulaires ─────────────────────────────────────────── */
.form-grille { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.form-grille .pleine-largeur { grid-column: 1 / -1; }
.champ label { display: block; font-weight: 600; font-size: 14px; color: var(--encre); margin-bottom: 7px; }
.champ input, .champ textarea, .champ select {
    width: 100%; padding: 13px 16px; font: inherit; font-size: 15px;
    border: 1.5px solid var(--bordure); border-radius: 12px; background: var(--blanc);
    color: var(--encre); transition: border-color .2s, box-shadow .2s;
}
.champ input:focus, .champ textarea:focus, .champ select:focus {
    outline: none; border-color: var(--bleu); box-shadow: 0 0 0 4px rgba(30,111,242,.14);
}
.champ .erreur-champ { color: #DC2626; font-size: 13px; margin-top: 5px; }
.champ-cache { position: absolute; left: -9999px; }

.alerte { padding: 15px 20px; border-radius: 12px; margin-bottom: 22px; font-size: 15px; font-weight: 500; }
.alerte-succes { background: #ECFDF5; color: #047857; border: 1px solid #A7F3D0; }
.alerte-erreur { background: #FEF2F2; color: #B91C1C; border: 1px solid #FECACA; }

.carte-contact {
    background: var(--blanc); border: 1px solid var(--bordure);
    border-radius: var(--rayon); padding: 34px; box-shadow: var(--ombre);
}
.infos-contact { display: grid; gap: 20px; }
.infos-contact .info { display: flex; gap: 15px; align-items: flex-start; }
.infos-contact .info .puce {
    width: 46px; height: 46px; flex: 0 0 46px; border-radius: 13px;
    display: grid; place-items: center; color: #fff; background: var(--degrade);
}
.infos-contact .info strong { display: block; color: var(--encre); }

/* ── WhatsApp flottant ───────────────────────────────────── */
.whatsapp-flottant {
    position: fixed; left: 20px; bottom: 20px; z-index: 40;
    width: 58px; height: 58px;
    display: flex; align-items: center; gap: 12px;
    animation: apparition-bouton .5s ease .6s both;
}
.whatsapp-flottant-onde {
    position: absolute; inset: 0; border-radius: 50%;
    background: #25D366; opacity: .55;
    animation: onde-whatsapp 2.4s ease-out infinite;
}
.whatsapp-flottant-bulle {
    position: relative; width: 58px; height: 58px; flex: 0 0 58px; border-radius: 50%;
    background: #25D366; color: #fff;
    display: grid; place-items: center;
    box-shadow: 0 10px 25px -5px rgba(37, 211, 102, .6);
    transition: box-shadow .25s, background-color .25s, transform .25s;
}
.whatsapp-flottant:hover .whatsapp-flottant-bulle {
    background: #1fb857; box-shadow: 0 14px 32px -5px rgba(37, 211, 102, .75);
    transform: scale(1.06);
}
.whatsapp-flottant-info {
    max-width: 0; overflow: hidden; white-space: nowrap;
    background: var(--marine-fonce); color: #fff; font-size: 14px; font-weight: 600;
    padding: 0; border-radius: 10px; box-shadow: var(--ombre);
    transition: max-width .3s ease, padding .3s ease, opacity .3s ease;
    opacity: 0;
}
.whatsapp-flottant:hover .whatsapp-flottant-info,
.whatsapp-flottant:focus-visible .whatsapp-flottant-info {
    max-width: 220px; padding: 10px 16px; opacity: 1;
}
@keyframes onde-whatsapp {
    0% { transform: scale(1); opacity: .55; }
    100% { transform: scale(1.9); opacity: 0; }
}
@keyframes apparition-bouton {
    from { opacity: 0; transform: translateY(16px) scale(.85); }
    to { opacity: 1; transform: none; }
}

/* ── Retour en haut ──────────────────────────────────────── */
.retour-haut {
    position: fixed; right: 20px; bottom: 20px; z-index: 40;
    width: 50px; height: 50px; border-radius: 50%;
    display: grid; place-items: center;
    background: var(--blanc); color: var(--marine);
    border: 1.5px solid var(--bordure);
    box-shadow: var(--ombre-forte);
    opacity: 0; visibility: hidden; pointer-events: none;
    transform: translateY(16px) scale(.85);
    cursor: pointer;
    transition: opacity .3s ease, transform .3s ease, visibility .3s, background-color .25s, border-color .25s, box-shadow .25s;
}
.retour-haut svg { transform: rotate(-90deg); transition: transform .25s ease; }
.retour-haut.visible { opacity: 1; visibility: visible; pointer-events: auto; transform: none; }
.retour-haut:hover { background: var(--degrade); color: #fff; border-color: transparent; }
.retour-haut:hover svg { transform: rotate(-90deg) translateX(2px); }
.retour-haut.visible:hover {
    transform: translateY(-5px) scale(1.07);
    box-shadow: 0 16px 34px -8px rgba(30, 111, 242, .55);
}
.retour-haut.visible:active { transform: translateY(-1px) scale(.97); }

/* ── Footer ──────────────────────────────────────────────── */
.site-footer { background: var(--marine-fonce); color: rgba(255,255,255,.65); overflow: hidden; }
.footer-grille { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1.3fr; gap: 40px; padding: 64px 20px 46px; }
.footer-col { min-width: 0; }
.footer-col h3 { color: #fff; font-size: 16px; margin-bottom: 18px; }
.footer-col a { display: block; color: rgba(255,255,255,.6); padding: 5px 0; font-size: 14.5px; transition: color .2s; overflow-wrap: anywhere; }
.footer-col a:hover { color: #fff; }
.logo-footer { margin-bottom: 14px; }
.footer-col p { font-size: 14.5px; overflow-wrap: anywhere; }
.footer-social { display: flex; gap: 12px; margin-top: 18px; flex-wrap: wrap; }
.footer-social .reseau {
    width: 40px; height: 40px; flex-shrink: 0; border-radius: 50%;
    display: grid; place-items: center; color: #fff;
    box-shadow: 0 6px 16px -5px rgba(0,0,0,.5);
    transition: transform .3s ease, box-shadow .3s ease, filter .25s ease;
}
.footer-social .reseau:hover { transform: translateY(-4px) scale(1.08); filter: brightness(1.12); }
.footer-social .reseau:active { transform: translateY(-1px) scale(.96); }
.reseau-facebook { background: #1877F2; }
.reseau-linkedin { background: #0A66C2; }
.reseau-x { background: #000; }
.reseau-instagram { background: radial-gradient(circle at 30% 110%, #fdf497 0%, #fdf497 5%, #fd5949 45%, #d6249f 60%, #285AEB 90%); }
.footer-contact { display: flex; gap: 10px; align-items: flex-start; margin-bottom: 12px; min-width: 0; }
.footer-contact svg { flex-shrink: 0; margin-top: 4px; color: var(--bleu-clair); }
.footer-contact a, .footer-contact span { display: inline; padding: 0; overflow-wrap: anywhere; min-width: 0; }
.footer-bas { border-top: 1px solid rgba(255,255,255,.09); padding: 20px 0; font-size: 14px; text-align: center; }

/* ── Animations d'apparition ─────────────────────────────── */
.reveler { opacity: 0; transform: translateY(26px); transition: opacity .6s ease, transform .6s ease; }
.reveler.visible { opacity: 1; transform: none; }
.reveler-delai-1 { transition-delay: .1s; }
.reveler-delai-2 { transition-delay: .2s; }
.reveler-delai-3 { transition-delay: .3s; }

/* ── Responsive ──────────────────────────────────────────── */
@media (max-width: 1024px) {
    .grille-services, .grille-cartes, .grille-temoignages { grid-template-columns: repeat(2, 1fr); }
    .hero-inner, .bloc-ia, .detail-grille { grid-template-columns: 1fr; }
    .hero-visuel { display: none; }
    .detail-visuel { position: static; }
    .footer-grille { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 720px) {
    .section { padding: 64px 0; }
    .hero { padding: 130px 0 80px; }
    .grille-services, .grille-cartes, .grille-temoignages, .form-grille { grid-template-columns: 1fr; }
    .grille-stats { grid-template-columns: repeat(2, 1fr); }
    .hero-actions .btn { width: 100%; justify-content: center; }

    .header-inner, .site-header.compact .header-inner { height: 68px; }
    .logo-lien-badge, .site-header.compact .logo-lien-badge { width: 48px; height: 48px; border-radius: 14px; }

    .burger { display: block; }
    .nav-principale {
        position: fixed; inset: 68px 0 auto 0; z-index: 49;
        flex-direction: column; align-items: stretch; gap: 0;
        background: var(--marine-fonce);
        padding: 12px 20px 26px;
        box-shadow: 0 30px 40px rgba(0,0,0,.4);
        transform: translateY(-130%); transition: transform .3s ease;
    }
    body.menu-ouvert .nav-principale { transform: none; }
    .nav-principale > a:not(.nav-cta) { padding: 15px 4px; font-size: 17px; border-bottom: 1px solid rgba(255,255,255,.08); }
    .nav-cta { margin-top: 18px; justify-content: center; }

    .whatsapp-flottant { left: 14px; bottom: 14px; width: 52px; height: 52px; }
    .whatsapp-flottant-bulle { width: 52px; height: 52px; flex-basis: 52px; }
    .whatsapp-flottant-info { display: none; }
    .retour-haut { right: 14px; bottom: 14px; width: 44px; height: 44px; }

    .footer-grille { grid-template-columns: 1fr; gap: 36px; padding: 52px 20px 34px; text-align: left; }
}

@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after { animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; }
    html { scroll-behavior: auto; }
    .reveler { opacity: 1; transform: none; }
    .whatsapp-flottant-onde { display: none; }
}