/* =========================================================================
   DIGITAL KPADJALÊ — Design tokens
   Palette : navy profond (autorité technique) + teal (le bulb du logo,
   énergie/idée) + orange (accent chaleureux du wordmark). Fond clair neutre,
   pas de crème ni de terracotta générique.
   Typo : Sora (display, géométrique, technique) + Inter (texte).
   ========================================================================= */
:root {
  --navy-950: #0A1B33;
  --navy-900: #0F2748;
  --navy-700: #1C3A63;
  --teal-600: #0E8F97;
  --teal-500: #16A6AE;
  --teal-300: #6FD8DE;
  --teal-100: #E4F7F8;
  --orange-600: #C96E1F;
  --orange-500: #E08A34;
  --orange-100: #FCE9D4;
  --ink: #16202B;
  --ink-soft: #4E5D6B;
  --line: #E1E7EB;
  --bg: #F7F9FA;
  --white: #FFFFFF;
  --success: #2E9E5B;
  --danger: #D64545;
  --warning: #C98A12;

  --font-display: 'Sora', system-ui, sans-serif;
  --font-body: 'Inter', system-ui, sans-serif;

  --radius-sm: 6px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --shadow-card: 0 1px 2px rgba(15,39,72,.06), 0 8px 24px -12px rgba(15,39,72,.18);
  --container: 1180px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--font-body);
  color: var(--ink);
  background: var(--bg);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
h1,h2,h3,h4 { font-family: var(--font-display); color: var(--navy-900); line-height: 1.15; margin: 0 0 .5em; }
h1 { font-size: clamp(2.1rem, 3.6vw, 3.4rem); font-weight: 700; letter-spacing: -.01em; }
h2 { font-size: clamp(1.6rem, 2.6vw, 2.3rem); font-weight: 700; letter-spacing: -.01em; }
h3 { font-size: 1.25rem; font-weight: 600; }
p { margin: 0 0 1em; color: var(--ink-soft); max-width: 68ch; }
ul { padding-left: 1.2em; }
:focus-visible { outline: 3px solid var(--teal-500); outline-offset: 2px; }
@media (prefers-reduced-motion: reduce) {
  * { animation-duration: .001ms !important; animation-iteration-count: 1 !important; transition-duration: .001ms !important; scroll-behavior: auto !important; }
}

.container { max-width: var(--container); margin: 0 auto; padding: 0 24px; }
.section { padding: 88px 0; }
.section--tight { padding: 56px 0; }
.section--alt { background: var(--white); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.section-head { max-width: 640px; margin-bottom: 44px; }
.section-head p { margin-bottom: 0; }
.section-kicker { display: inline-block; font-size: .8rem; font-weight: 600; color: var(--teal-600); margin-bottom: 10px; }
.section-head-flex { display: flex; justify-content: space-between; align-items: flex-end; max-width: none; flex-wrap: wrap; gap: 14px; }

/* Buttons */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  font-family: var(--font-body); font-weight: 600; font-size: .95rem;
  padding: 13px 26px; border-radius: var(--radius-sm); border: 1px solid transparent;
  cursor: pointer; transition: transform .15s ease, box-shadow .15s ease, background-color .15s ease, color .15s ease;
  white-space: nowrap;
}
.btn:hover { transform: translateY(-1px); }
.btn-primary { background: var(--orange-500); color: var(--white); }
.btn-primary:hover { background: var(--orange-600); }
.btn-secondary { background: var(--navy-900); color: var(--white); }
.btn-secondary:hover { background: var(--navy-950); }
.btn-outline { background: transparent; color: var(--navy-900); border-color: var(--line); }
.btn-outline:hover { border-color: var(--navy-900); }
.btn-outline-light { background: transparent; color: var(--white); border-color: rgba(255,255,255,.4); }
.btn-outline-light:hover { border-color: var(--white); }
.btn-teal { background: var(--teal-500); color: var(--white); }
.btn-teal:hover { background: var(--teal-600); }
.btn-sm { padding: 8px 16px; font-size: .85rem; }
.btn-block { width: 100%; }
.btn[disabled] { opacity: .55; cursor: not-allowed; transform: none; }

/* Header */
.site-header { position: sticky; top: 0; z-index: 100; background: rgba(247,249,250,.92); backdrop-filter: blur(10px); border-bottom: 1px solid var(--line); }
.site-header .container { display: flex; align-items: center; justify-content: space-between; height: 76px; }
.brand { display: flex; align-items: center; gap: 10px; font-family: var(--font-display); font-weight: 700; font-size: 1.15rem; color: var(--navy-900); }
.brand-mark { width: 38px; height: 38px; flex-shrink: 0; }
.brand span.accent { color: var(--orange-500); }
.main-nav { display: flex; align-items: center; gap: 6px; }
.main-nav a { padding: 10px 14px; border-radius: var(--radius-sm); font-weight: 500; font-size: .93rem; color: var(--navy-700); }
.main-nav a:hover, .main-nav a.active { background: var(--teal-100); color: var(--teal-600); }
.header-actions { display: flex; align-items: center; gap: 10px; }
.nav-toggle { display: none; background: none; border: none; cursor: pointer; padding: 8px; }
.nav-toggle span { display: block; width: 22px; height: 2px; background: var(--navy-900); margin: 5px 0; }

.nav-toggle span { transition: transform .25s ease, opacity .2s ease; }
.nav-toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.nav-toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* Tablette / mobile : menu déroulant sous l'en-tête.
   NB : .site-header a un backdrop-filter, ce qui en fait le bloc conteneur
   des éléments "fixed" ; on positionne donc le menu en absolute à top:100%
   (juste sous l'en-tête, quelle que soit sa hauteur). */
@media (max-width: 960px) {
  .site-header .container { gap: 12px; }
  .main-nav {
    position: absolute; top: 100%; left: 0; right: 0;
    max-height: calc(100vh - var(--kp-header-h, 76px));
    max-height: calc(100dvh - var(--kp-header-h, 76px));
    overflow-y: auto; -webkit-overflow-scrolling: touch;
    background: var(--white); border-bottom: 1px solid var(--line);
    box-shadow: 0 18px 30px -18px rgba(10,27,51,.35);
    flex-direction: column; align-items: stretch; gap: 4px; padding: 14px 18px 20px;
    opacity: 0; visibility: hidden; transform: translateY(-8px); pointer-events: none;
    transition: opacity .22s ease, transform .22s ease, visibility 0s linear .22s;
    z-index: 150;
  }
  .main-nav.open {
    opacity: 1; visibility: visible; transform: translateY(0); pointer-events: auto;
    transition: opacity .22s ease, transform .22s ease, visibility 0s;
  }
  .main-nav a { padding: 14px 16px; font-size: 1.02rem; }
  .site-header .nav-toggle { display: block; flex-shrink: 0; }
  .header-actions { margin-left: auto; }
  .header-actions .btn span.txt-desktop { display: none; }
  body.kp-nav-open { overflow: hidden; }
}

/* Petit écran : logo + "Digital Kpadjalê" + burger sur la 1re ligne,
   boutons Connexion / S'inscrire en dessous, sur toute la largeur. */
@media (max-width: 600px) {
  .site-header .container { flex-wrap: wrap; height: auto; padding: 10px 16px 12px; row-gap: 10px; }
  .brand { order: 1; flex: 1 1 auto; min-width: 0; font-size: 1.05rem; }
  .brand-mark { width: 34px; height: 34px; }
  .site-header .nav-toggle { order: 2; }
  .header-actions { order: 3; width: 100%; margin-left: 0; justify-content: center; gap: 10px; }
  .header-actions .btn { flex: 1 1 0; max-width: 220px; text-align: center; justify-content: center; }
}
@media (max-width: 340px) {
  .brand { font-size: .95rem; gap: 8px; }
}

/* Hero */
.hero { position: relative; overflow: hidden; background: var(--navy-900); color: var(--white); padding: 76px 0 100px; }
.hero .container { display: grid; grid-template-columns: 1.05fr .95fr; gap: 48px; align-items: center; }
.hero-eyebrow { display: inline-flex; align-items: center; gap: 8px; background: rgba(255,255,255,.08); border: 1px solid rgba(255,255,255,.18); color: var(--teal-300); padding: 7px 14px; border-radius: 999px; font-size: .82rem; font-weight: 600; margin-bottom: 22px; }
.hero h1 { color: var(--white); margin-bottom: .4em; }
.hero h1 .hl { color: var(--teal-300); }
.hero p.lead { color: rgba(255,255,255,.78); font-size: 1.08rem; max-width: 46ch; }
.hero-actions { display: flex; gap: 14px; margin-top: 30px; flex-wrap: wrap; }
.hero-stats { display: flex; gap: 34px; margin-top: 46px; flex-wrap: wrap; }
.hero-stats div b { display: block; font-family: var(--font-display); font-size: 1.7rem; color: var(--white); }
.hero-stats div span { font-size: .82rem; color: rgba(255,255,255,.65); }
.hero-art { position: relative; }
.hero-art svg { width: 100%; height: auto; }
@media (max-width: 900px) {
  .hero .container { grid-template-columns: 1fr; }
  .hero-art { order: -1; max-width: 340px; width: 70%; margin: 0 auto 10px; }
}
@media (max-width: 480px) {
  .hero { padding: 56px 0 70px; }
  .hero-art { max-width: 260px; width: 62%; }
}

/* Services */
.services-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.service-card { background: var(--white); border: 1px solid var(--line); border-radius: var(--radius-md); padding: 28px; transition: box-shadow .2s ease, transform .2s ease; }
.service-card:hover { box-shadow: var(--shadow-card); transform: translateY(-3px); }
.service-icon { width: 46px; height: 46px; border-radius: 10px; background: var(--teal-100); color: var(--teal-600); display: flex; align-items: center; justify-content: center; margin-bottom: 16px; }
.service-card h3 { margin-bottom: 8px; }
.service-card p { font-size: .93rem; margin-bottom: 0; }
@media (max-width: 860px) { .services-grid { grid-template-columns: 1fr 1fr; } }
@media (max-width: 560px) { .services-grid { grid-template-columns: 1fr; } }

/* Filters bar */
.filters-bar { display: flex; gap: 10px; flex-wrap: wrap; align-items: center; margin-bottom: 32px; padding: 16px; background: var(--white); border: 1px solid var(--line); border-radius: var(--radius-md); }
.filters-bar select, .filters-bar input[type=search] { border: 1px solid var(--line); border-radius: var(--radius-sm); padding: 10px 12px; font-family: var(--font-body); font-size: .9rem; background: var(--bg); }
.filters-bar input[type=search] { flex: 1; min-width: 180px; }

/* Réalisation cards */
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 26px; }
.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 26px; }
@media (max-width: 900px) { .grid-3, .grid-2 { grid-template-columns: 1fr 1fr; } }
@media (max-width: 620px) { .grid-3, .grid-2 { grid-template-columns: 1fr; } }

.realisation-card { background: var(--white); border-radius: var(--radius-md); overflow: hidden; border: 1px solid var(--line); transition: box-shadow .2s ease, transform .2s ease; display: flex; flex-direction: column; }
.realisation-card:hover { box-shadow: var(--shadow-card); transform: translateY(-4px); }
.realisation-thumb { aspect-ratio: 16/10; background: var(--navy-700) url('') center/cover; position: relative; }
.realisation-thumb img { width: 100%; height: 100%; object-fit: cover; }
.realisation-badges { position: absolute; top: 12px; left: 12px; display: flex; gap: 6px; }
.badge { font-size: .72rem; font-weight: 600; padding: 5px 10px; border-radius: 999px; background: var(--white); color: var(--navy-900); }
.badge-teal { background: var(--teal-500); color: var(--white); }
.badge-orange { background: var(--orange-500); color: var(--white); }
.badge-outline { background: rgba(255,255,255,.9); border: 1px solid var(--line); }
.realisation-body { padding: 20px; display: flex; flex-direction: column; gap: 8px; flex: 1; }
.realisation-body h3 { margin-bottom: 0; font-size: 1.08rem; }
.realisation-meta { display: flex; align-items: center; justify-content: space-between; font-size: .85rem; color: var(--ink-soft); margin-top: auto; padding-top: 10px; }
.etoiles { color: var(--orange-500); letter-spacing: 1px; }

/* Formation cards */
.formation-card { background: var(--white); border: 1px solid var(--line); border-radius: var(--radius-md); overflow: hidden; display: flex; flex-direction: column; }
.formation-thumb { aspect-ratio: 16/9; overflow: hidden; }
.formation-thumb img { width: 100%; height: 100%; object-fit: cover; }
.formation-body { padding: 20px; display: flex; flex-direction: column; gap: 10px; flex: 1; }
.formation-tags { display: flex; gap: 6px; flex-wrap: wrap; }
.formation-info { display: flex; flex-direction: column; gap: 6px; font-size: .87rem; color: var(--ink-soft); }
.formation-footer { display: flex; align-items: center; justify-content: space-between; margin-top: auto; padding-top: 12px; border-top: 1px solid var(--line); }
.prix { font-family: var(--font-display); font-weight: 700; color: var(--navy-900); }
.progress-track { height: 6px; background: var(--line); border-radius: 999px; overflow: hidden; }
.progress-fill { height: 100%; background: var(--teal-500); }

/* Forms */
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.form-grid .full { grid-column: 1 / -1; }
@media (max-width: 640px) { .form-grid { grid-template-columns: 1fr; } }
.field label { display: block; font-size: .87rem; font-weight: 600; color: var(--navy-900); margin-bottom: 6px; }
.field .hint { font-size: .78rem; color: var(--ink-soft); margin-top: 4px; }
.field input, .field select, .field textarea {
  width: 100%; padding: 12px 14px; border: 1px solid var(--line); border-radius: var(--radius-sm);
  font-family: var(--font-body); font-size: .95rem; background: var(--white); color: var(--ink);
}
.field input:focus, .field select:focus, .field textarea:focus { border-color: var(--teal-500); }
.field textarea { min-height: 130px; resize: vertical; }
.card-form { background: var(--white); border: 1px solid var(--line); border-radius: var(--radius-lg); padding: 34px; box-shadow: var(--shadow-card); }
.auth-shell { max-width: 460px; margin: 0 auto; }

/* Alerts */
.alert { padding: 14px 18px; border-radius: var(--radius-sm); font-size: .9rem; margin-bottom: 20px; border: 1px solid transparent; }
.alert-success { background: #E9F8EF; color: var(--success); border-color: #BFE9CD; }
.alert-error { background: #FCEAEA; color: var(--danger); border-color: #F3C4C4; }
.alert-info { background: var(--teal-100); color: var(--teal-600); border-color: #BFE8EA; }
.alert-warning { background: #FBF1DC; color: var(--warning); border-color: #F0DBA3; }

/* Stars input (rating) */
.rating-input { display: flex; gap: 6px; flex-direction: row-reverse; justify-content: flex-end; }
.rating-input input { display: none; }
.rating-input label { font-size: 1.6rem; color: var(--line); cursor: pointer; }
.rating-input input:checked ~ label,
.rating-input label:hover, .rating-input label:hover ~ label { color: var(--orange-500); }

/* Testimonial / comment */
.comment-item { border-bottom: 1px solid var(--line); padding: 18px 0; }
.comment-head { display: flex; justify-content: space-between; align-items: center; margin-bottom: 6px; }
.comment-author { font-weight: 600; color: var(--navy-900); }
.comment-date { font-size: .8rem; color: var(--ink-soft); }

/* Footer */
.site-footer { background: var(--navy-950); color: rgba(255,255,255,.72); padding: 64px 0 26px; margin-top: 60px; }
.footer-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1fr; gap: 40px; }
.footer-grid h4 { color: var(--white); font-family: var(--font-display); font-size: .95rem; margin-bottom: 16px; }
.footer-grid ul { list-style: none; padding: 0; margin: 0; display: flex; flex-direction: column; gap: 10px; font-size: .88rem; }
.footer-grid a:hover { color: var(--teal-300); }
.footer-bottom { border-top: 1px solid rgba(255,255,255,.12); margin-top: 44px; padding-top: 22px; display: flex; justify-content: space-between; font-size: .8rem; flex-wrap: wrap; gap: 10px; }
@media (max-width: 800px) { .footer-grid { grid-template-columns: 1fr 1fr; } }
@media (max-width: 480px) { .footer-grid { grid-template-columns: 1fr; gap: 28px; } }

/* Utility */
.text-center { text-align: center; }
.mt-0 { margin-top: 0; }
.flex { display: flex; }
.gap-2 { gap: 10px; }
.empty-state { text-align: center; padding: 60px 20px; color: var(--ink-soft); }
.empty-state svg { margin: 0 auto 16px; opacity: .5; }

/* PWA install banner */
#pwa-install-banner {
  position: fixed; left: 20px; right: 20px; bottom: 20px; z-index: 999;
  background: var(--navy-900); color: var(--white); border-radius: var(--radius-md);
  padding: 16px 20px; display: none; align-items: center; gap: 16px;
  box-shadow: 0 12px 30px rgba(0,0,0,.3); max-width: 480px; margin: 0 auto;
}
#pwa-install-banner.show { display: flex; }
#pwa-install-banner p { color: rgba(255,255,255,.75); margin: 0; font-size: .85rem; }
#pwa-install-banner strong { display: block; color: var(--white); font-size: .95rem; }

/* Carte d'installation dédiée (pages de connexion) */
.install-prompt-card {
  display: flex; align-items: flex-start; gap: 14px; text-align: left;
  background: var(--teal-100); border: 1px solid #BFE8EA; border-radius: var(--radius-md);
  padding: 16px 18px; margin: 0 0 22px;
}
.install-prompt-icon { border-radius: 9px; flex-shrink: 0; }
.install-prompt-text { flex: 1; min-width: 0; }
.install-prompt-text strong { display: block; color: var(--navy-900); font-size: .93rem; margin-bottom: 3px; }
.install-prompt-text p { font-size: .82rem; margin: 0; color: var(--ink-soft); }
.install-prompt-manual { display: none; margin-top: 8px !important; font-weight: 600; color: var(--teal-600) !important; }
.install-prompt-manual.show { display: block !important; }
.install-prompt-btn { flex-shrink: 0; }
@media (max-width: 560px) {
  .install-prompt-card { flex-direction: column; align-items: stretch; }
  .install-prompt-btn { width: 100%; }
}

/* Grille 2 colonnes générique (contenu + carte latérale), utilisée sur plusieurs pages */
.split-grid { display: grid; grid-template-columns: 1.1fr .9fr; gap: 50px; }
.split-grid.align-center { align-items: center; }
.split-grid.align-start { align-items: start; }
@media (max-width: 860px) { .split-grid { grid-template-columns: 1fr; gap: 30px; } }

/* Page header (pages intérieures) */
.page-hero { background: var(--navy-900); color: var(--white); padding: 54px 0; }
.page-hero h1 { color: var(--white); margin-bottom: 8px; }
.breadcrumb { font-size: .85rem; color: rgba(255,255,255,.6); }
.breadcrumb a:hover { color: var(--teal-300); }

/* Details layout */
.detail-layout { display: grid; grid-template-columns: 2fr 1fr; gap: 40px; align-items: start; }
@media (max-width: 900px) { .detail-layout { grid-template-columns: 1fr; } }
.gallery-main { border-radius: var(--radius-md); overflow: hidden; margin-bottom: 12px; aspect-ratio: 16/9; }
.gallery-main img { width: 100%; height: 100%; object-fit: cover; }
.gallery-thumbs { display: flex; gap: 10px; overflow-x: auto; }
.gallery-thumbs img { width: 84px; height: 60px; object-fit: cover; border-radius: 6px; cursor: pointer; border: 2px solid transparent; }
.gallery-thumbs img.active { border-color: var(--teal-500); }
.sidebar-card { background: var(--white); border: 1px solid var(--line); border-radius: var(--radius-md); padding: 22px; margin-bottom: 20px; }
.sidebar-card h4 { font-size: .95rem; margin-bottom: 12px; }
.sidebar-list { list-style: none; padding: 0; margin: 0; display: flex; flex-direction: column; gap: 10px; font-size: .88rem; }

/* =========================================================================
   PREMIUM — Animations, transitions & effets 3D
   Couche ajoutée par-dessus le design existant : rien n'est cassé, tout est
   amélioré (dégradés animés, cartes en relief avec tilt 3D au survol,
   apparitions au défilement, micro-interactions sur les boutons).
   ========================================================================= */

/* Transition douce généralisée sur tous les éléments interactifs */
a, .btn, .service-card, .realisation-card, .formation-card, .sidebar-card,
.stat-card, .panel, .icon-btn, .main-nav a, .admin-nav a, input, select, textarea {
  transition: transform .35s cubic-bezier(.2,.8,.2,1), box-shadow .35s cubic-bezier(.2,.8,.2,1),
              background-color .25s ease, border-color .25s ease, color .25s ease, opacity .35s ease;
}

body { animation: kpFadeIn .5s ease both; }
@keyframes kpFadeIn { from { opacity: 0; } to { opacity: 1; } }

/* Header : ombre plus marquée une fois la page défilée (classe posée en JS) */
.site-header { transition: box-shadow .3s ease, background-color .3s ease; }
.site-header.is-scrolled { box-shadow: 0 8px 24px -14px rgba(10,27,51,.35); background: rgba(247,249,250,.98); }
.brand-mark { transition: transform .4s cubic-bezier(.2,.8,.2,1); transform-style: preserve-3d; }
.brand:hover .brand-mark { transform: rotateY(180deg) scale(1.08); }

/* Boutons : effet de brillance au survol + relief */
.btn { position: relative; overflow: hidden; transform-style: preserve-3d; }
.btn::before {
  content: ""; position: absolute; inset: 0; pointer-events: none;
  background: linear-gradient(115deg, transparent 20%, rgba(255,255,255,.35) 45%, transparent 70%);
  transform: translateX(-120%); transition: transform .55s ease;
}
.btn:hover::before { transform: translateX(120%); }
.btn:hover { transform: translateY(-2px) scale(1.015); box-shadow: 0 10px 22px -10px rgba(10,27,51,.35); }
.btn:active { transform: translateY(0) scale(.98); }
.btn-primary:hover, .btn-secondary:hover, .btn-teal:hover { box-shadow: 0 12px 26px -10px rgba(201,110,31,.45); }

/* Hero : fond animé (orbes en dégradé façon "aurore") */
.hero { isolation: isolate; }
.hero::before, .hero::after {
  content: ""; position: absolute; z-index: -1; border-radius: 50%; filter: blur(60px); opacity: .55;
  animation: kpFloat 12s ease-in-out infinite;
}
.hero::before { width: 420px; height: 420px; top: -140px; right: -80px; background: radial-gradient(circle, var(--teal-500), transparent 70%); }
.hero::after { width: 360px; height: 360px; bottom: -160px; left: -60px; background: radial-gradient(circle, var(--orange-500), transparent 70%); animation-delay: -6s; }
@keyframes kpFloat {
  0%, 100% { transform: translate(0,0) scale(1); }
  50% { transform: translate(-22px, 26px) scale(1.08); }
}
.hero-eyebrow, .hero h1, .hero p.lead, .hero-actions, .hero-stats { animation: kpFadeUp .7s cubic-bezier(.2,.8,.2,1) both; }
.hero h1 { animation-delay: .06s; }
.hero p.lead { animation-delay: .12s; }
.hero-actions { animation-delay: .18s; }
.hero-stats { animation-delay: .24s; }
.hero-art { animation: kpFadeUp .8s cubic-bezier(.2,.8,.2,1) .15s both; }
@keyframes kpFadeUp { from { opacity: 0; transform: translateY(22px); } to { opacity: 1; transform: translateY(0); } }

/* Cartes en relief 3D : le tilt est piloté en JS (variables --rx/--ry), avec
   un fallback élégant (translation + ombre) si JS désactivé / tactile. */
.service-card, .realisation-card, .formation-card, .sidebar-card, .stat-card, .panel, .card-form {
  transform-style: preserve-3d; perspective: 900px; will-change: transform;
}
.service-card, .realisation-card, .formation-card { transform: perspective(900px) rotateX(var(--rx,0deg)) rotateY(var(--ry,0deg)) translateZ(0); }
.service-card:hover, .formation-card:hover { box-shadow: 0 22px 40px -18px rgba(10,27,51,.28); border-color: transparent; }
.realisation-card:hover { box-shadow: 0 24px 44px -18px rgba(10,27,51,.32); }
.stat-card:hover, .sidebar-card:hover, .panel:hover { box-shadow: 0 16px 30px -16px rgba(10,27,51,.22); transform: translateY(-3px); }
.service-icon { transition: transform .4s cubic-bezier(.2,.8,.2,1), background-color .3s ease; }
.service-card:hover .service-icon { transform: rotate(-8deg) scale(1.12); background: var(--teal-500); color: var(--white); }
.realisation-thumb img, .formation-thumb img { transition: transform .6s cubic-bezier(.2,.8,.2,1); }
.realisation-card:hover .realisation-thumb img, .formation-card:hover .formation-thumb img { transform: scale(1.08); }

/* Apparition au défilement (classes posées automatiquement par main.js) */
.kp-reveal { opacity: 0; transform: translateY(28px); }
.kp-reveal.kp-in-view { opacity: 1; transform: translateY(0); transition: opacity .7s cubic-bezier(.2,.8,.2,1), transform .7s cubic-bezier(.2,.8,.2,1); }
.kp-reveal.kp-in-view.kp-stagger-1 { transition-delay: .06s; }
.kp-reveal.kp-in-view.kp-stagger-2 { transition-delay: .12s; }
.kp-reveal.kp-in-view.kp-stagger-3 { transition-delay: .18s; }
.kp-reveal.kp-in-view.kp-stagger-4 { transition-delay: .24s; }
.kp-reveal.kp-in-view.kp-stagger-5 { transition-delay: .3s; }

/* Barre de progression : effet de remplissage animé */
.progress-fill { position: relative; overflow: hidden; transition: width .8s cubic-bezier(.2,.8,.2,1); }
.progress-fill::after {
  content: ""; position: absolute; inset: 0;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,.5), transparent);
  animation: kpShimmer 1.8s ease-in-out infinite;
}
@keyframes kpShimmer { from { transform: translateX(-100%); } to { transform: translateX(100%); } }

/* Étoiles : petit rebond au survol */
.rating-input label { transition: transform .2s ease, color .2s ease; }
.rating-input label:hover { transform: scale(1.2); }

/* Back-office : sidebar et cartes stats plus vivantes */
.admin-nav a { position: relative; }
.admin-nav a::before { content: ""; position: absolute; left: 0; top: 50%; height: 0; width: 3px; background: var(--teal-300); border-radius: 0 3px 3px 0; transform: translateY(-50%); transition: height .25s ease; }
.admin-nav a:hover::before, .admin-nav a.active::before { height: 60%; }
.admin-nav a:hover { transform: translateX(3px); }
.stat-card { position: relative; overflow: hidden; }
.stat-card::after { content: ""; position: absolute; inset: 0; background: linear-gradient(135deg, rgba(22,166,174,.06), transparent 60%); opacity: 0; transition: opacity .3s ease; }
.stat-card:hover::after { opacity: 1; }
.icon-btn:hover { transform: translateY(-2px); }
table.admin-table tr { transition: background-color .2s ease; }

/* Boutons flottants secondaires (toggles, badges) : petit pulse sur badge de notif */
.admin-nav .badge-count { animation: kpPulse 2.4s ease-in-out infinite; }
@keyframes kpPulse { 0%,100% { transform: scale(1); } 50% { transform: scale(1.12); } }

@media (prefers-reduced-motion: reduce) {
  .hero::before, .hero::after, .admin-nav .badge-count, .progress-fill::after { animation: none !important; }
  .kp-reveal { opacity: 1 !important; transform: none !important; }
}

/* ---------- Questions fréquentes (accueil) ---------- */
.faq-liste { max-width: 820px; margin: 0 auto; display: grid; gap: 12px; }
.faq-item { background: #fff; border: 1px solid var(--line); border-radius: var(--radius-md); padding: 16px 20px; }
.faq-item summary { cursor: pointer; font-family: var(--font-display); font-weight: 600; color: var(--navy-900); list-style: none; display: flex; justify-content: space-between; gap: 12px; }
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after { content: "+"; color: var(--teal-500); font-size: 1.3rem; line-height: 1; flex-shrink: 0; }
.faq-item[open] summary::after { content: "\2212"; }
.faq-item p { margin: 12px 0 0; color: var(--ink-soft); max-width: none; }
.service-icon[aria-hidden="true"] { font-size: 1.3rem; }