/* ============================================================
   EDUCAFLEX — Thème clair « Agence IA Premium »
   Fond blanc, accents bleu électrique / violet, cartes douces.
============================================================ */
:root{
  --bg:#ffffff;
  --bg-soft:#f8fafc;
  --bg-tint:#f1f5f9;
  --ink:#0f172a;
  --ink-soft:#334155;
  --muted:#64748b;
  --line:#e2e8f0;
  --line-soft:#eef2f7;
  --blue:#2563eb;
  --blue-bright:#3b82f6;
  --violet:#7c3aed;
  --amber:#f59e0b;
  --green:#16a34a;
  --red:#dc2626;
  --card:#ffffff;
  --shadow-sm:0 1px 2px rgba(15,23,42,.04), 0 1px 3px rgba(15,23,42,.06);
  --shadow:0 10px 30px rgba(15,23,42,.08);
  --shadow-lg:0 24px 60px rgba(37,99,235,.12);
  --radius:18px;
  --radius-sm:12px;
  --maxw:1160px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0; background:var(--bg); color:var(--ink);
  font-family:"Inter",system-ui,-apple-system,Segoe UI,Roboto,sans-serif;
  font-size:16px; line-height:1.6; -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4{font-family:"Outfit","Inter",sans-serif; color:var(--ink); line-height:1.15; margin:0 0 .5em}
h1{font-size:clamp(2rem,4.5vw,3.2rem); font-weight:800; letter-spacing:-.02em}
h2{font-size:clamp(1.6rem,3vw,2.3rem); font-weight:700; letter-spacing:-.01em}
h3{font-size:1.2rem; font-weight:600}
p{margin:0 0 1rem}
a{color:var(--blue); text-decoration:none}
a:hover{color:var(--violet)}
img{max-width:100%}
.container{max-width:var(--maxw); margin:0 auto; padding:0 24px}
.narrow{max-width:820px}

/* ---------- Navigation ---------- */
.nav{
  position:sticky; top:0; z-index:50; background:rgba(255,255,255,.86);
  backdrop-filter:saturate(180%) blur(12px); -webkit-backdrop-filter:saturate(180%) blur(12px);
  border-bottom:1px solid var(--line-soft);
}
.nav-inner{display:flex; align-items:center; justify-content:space-between; height:70px}
.nav.scrolled{box-shadow:0 4px 20px rgba(15,23,42,.06)}
.brand{font-family:"Outfit",sans-serif; font-weight:800; font-size:1.4rem; letter-spacing:-.02em; color:var(--ink)}
.brand span{color:var(--blue)}
.nav-links{display:flex; align-items:center; gap:6px}
.nav-links a{
  color:var(--ink-soft); font-weight:500; font-size:.95rem; padding:9px 14px;
  border-radius:10px; transition:background .15s, color .15s;
}
.nav-links a:hover{background:var(--bg-tint); color:var(--ink)}
.nav-cta{
  background:linear-gradient(135deg,var(--blue),var(--violet)); color:#fff !important;
  box-shadow:0 6px 18px rgba(37,99,235,.28);
}
.nav-cta:hover{filter:brightness(1.05); background:linear-gradient(135deg,var(--blue),var(--violet))}
.nav-links a.nav-cta:hover{background:linear-gradient(135deg,var(--blue),var(--violet)); color:#fff !important; filter:brightness(1.06)}
.burger{display:none; flex-direction:column; gap:5px; background:none; border:none; cursor:pointer; padding:8px}
.burger span{width:24px; height:2px; background:var(--ink); border-radius:2px; transition:.25s}

/* ---------- Boutons ---------- */
.btn{
  display:inline-flex; align-items:center; justify-content:center; gap:8px;
  padding:13px 24px; border-radius:12px; font-weight:600; font-size:.98rem;
  cursor:pointer; border:1px solid transparent; transition:transform .12s, box-shadow .15s, filter .15s;
}
.btn-primary{background:linear-gradient(135deg,var(--blue),var(--violet)); color:#fff; box-shadow:0 10px 26px rgba(37,99,235,.28)}
.btn-primary:hover{filter:brightness(1.06); color:#fff; transform:translateY(-1px)}
.btn-ghost{background:#fff; color:var(--ink); border-color:var(--line)}
.btn-ghost:hover{background:#eef4ff; color:var(--blue); border-color:var(--blue)}
.btn-sm{padding:9px 16px; font-size:.88rem}
.btn-block{display:flex; width:100%; margin-top:10px}

/* ---------- Sections ---------- */
.section{padding:84px 0}
.page-top{padding-top:60px}
.section-head{text-align:center; max-width:720px; margin:0 auto 48px}
.kicker, .eyebrow{
  display:inline-block; font-weight:600; font-size:.8rem; letter-spacing:.08em; text-transform:uppercase;
  color:var(--blue); background:rgba(37,99,235,.08); padding:6px 14px; border-radius:999px; margin-bottom:16px;
}
.lead{font-size:1.12rem; color:var(--muted)}

/* ---------- Carte « glass » (version claire) ---------- */
.glass{
  background:var(--card); border:1px solid var(--line); border-radius:var(--radius);
  box-shadow:var(--shadow-sm);
}

/* ---------- Hero ---------- */
.hero{
  position:relative; padding:90px 0 70px; text-align:center; overflow:hidden;
  background:
    radial-gradient(40rem 22rem at 80% -10%, rgba(124,58,237,.10), transparent 60%),
    radial-gradient(40rem 22rem at 12% 0%, rgba(37,99,235,.12), transparent 60%),
    var(--bg);
}
.hero .container{position:relative}
.hero-title{margin:0 auto .3em; max-width:18ch}
.hero-title strong{
  background:linear-gradient(135deg,var(--blue),var(--violet));
  -webkit-background-clip:text; background-clip:text; color:transparent;
}
.hero-sub{font-size:1.18rem; color:var(--muted); max-width:60ch; margin:0 auto 30px}
.hero-cta{display:flex; gap:14px; justify-content:center; flex-wrap:wrap}
.hero-pills{display:flex; gap:10px; justify-content:center; flex-wrap:wrap; margin-top:34px}
.pill{
  background:#fff; border:1px solid var(--line); color:var(--ink-soft);
  padding:8px 16px; border-radius:999px; font-size:.9rem; font-weight:500; box-shadow:var(--shadow-sm);
}
.hero-ville{text-align:left}
.hero-ville .hero-title{margin-left:0; max-width:none}

/* ---------- Bandeau statistiques ---------- */
.stats-band{padding:46px 0; background:var(--bg-soft); border-top:1px solid var(--line-soft); border-bottom:1px solid var(--line-soft)}
.stats-grid{display:grid; grid-template-columns:repeat(4,1fr); gap:24px; text-align:center}
.stat strong{display:block; font-family:"Outfit",sans-serif; font-size:2.1rem; font-weight:800; color:var(--blue)}
.stat span{color:var(--muted); font-size:.92rem}

/* ---------- Avis ---------- */
.reviews-grid{display:grid; grid-template-columns:repeat(3,1fr); gap:22px}
.review{padding:26px}
.review .stars, .stars{color:var(--amber); letter-spacing:2px; margin-bottom:10px}
.review p{color:var(--ink-soft); font-style:italic}
.review footer{margin-top:14px; display:flex; flex-direction:column}
.review footer strong{color:var(--ink)}
.review footer span{color:var(--muted); font-size:.86rem}

/* ---------- Features ---------- */
.features-grid{display:grid; grid-template-columns:repeat(4,1fr); gap:22px}
.feature{padding:28px 24px; transition:transform .15s, box-shadow .15s}
.feature:hover{transform:translateY(-4px); box-shadow:var(--shadow)}
.ficon{font-size:1.9rem; margin-bottom:12px}
.feature p{color:var(--muted); font-size:.95rem; margin:0}

/* ---------- Cartes formations ---------- */
.cards-grid{display:grid; grid-template-columns:repeat(3,1fr); gap:24px}
.card{padding:28px 26px; display:flex; flex-direction:column; transition:transform .15s, box-shadow .15s}
.card:hover{transform:translateY(-4px); box-shadow:var(--shadow-lg)}
.card-code{
  align-self:flex-start; font-family:"Outfit",sans-serif; font-weight:700; font-size:.74rem;
  letter-spacing:.05em; color:var(--violet); background:rgba(124,58,237,.08);
  padding:4px 10px; border-radius:999px; margin-bottom:14px;
}
.card h3{margin-bottom:10px}
.card p{color:var(--muted); font-size:.96rem; flex:1}
.card-meta{display:flex; gap:16px; color:var(--muted); font-size:.85rem; margin:8px 0 16px}
.card-actions{display:flex; gap:10px; flex-wrap:wrap}

/* ---------- FAQ ---------- */
.faq{display:flex; flex-direction:column; gap:12px}
.faq-item{background:#fff; border:1px solid var(--line); border-radius:var(--radius-sm); overflow:hidden}
.faq-q{
  width:100%; display:flex; align-items:center; justify-content:space-between; gap:16px;
  background:none; border:none; cursor:pointer; padding:18px 20px; text-align:left;
  font-family:"Outfit",sans-serif; font-weight:600; font-size:1.02rem; color:var(--ink);
}
.faq-q i{font-style:normal; font-size:1.4rem; color:var(--blue); transition:transform .2s}
.faq-item.open .faq-q i{transform:rotate(45deg)}
.faq-a{max-height:0; overflow:hidden; transition:max-height .25s ease}
.faq-a p{padding:0 20px 18px; margin:0; color:var(--muted)}

/* ---------- CTA ---------- */
.cta-band{padding:60px 0}
.cta-inner{
  text-align:center; padding:54px 30px; border:none;
  background:linear-gradient(135deg,#1e293b,#312e81); color:#fff; box-shadow:var(--shadow-lg);
}
.cta-inner h2{color:#fff}
.cta-inner p{color:#cbd5e1; max-width:50ch; margin:0 auto 26px}
.cta-inner .btn-primary{background:#fff; color:var(--blue)}
.cta-inner .btn-primary:hover{color:var(--violet)}

/* ---------- Prose / À propos / Ville ---------- */
.prose{padding:34px 36px}
.prose p{color:var(--ink-soft)}
.prose h2,.prose h3{margin-top:1.2em}
.aida strong{color:var(--blue); font-weight:700}
.prose-domains .domains{list-style:none; padding:0; margin:0; display:flex; flex-wrap:wrap; gap:10px}
.prose-domains .domains li{background:var(--bg-tint); padding:8px 16px; border-radius:999px; font-weight:500; color:var(--ink-soft)}
.back-link{display:inline-block; margin-bottom:20px; color:var(--muted); font-weight:500}
.back-link:hover{color:var(--blue)}

/* ---------- Détail formation ---------- */
.formation-detail{display:grid; grid-template-columns:1fr 340px; gap:32px; align-items:start}
.formation-main{padding:36px 38px}
.formation-main .lead{font-size:1.08rem; margin-bottom:20px}
.formation-main h3{margin-top:1.6em; color:var(--blue)}
.program{white-space:normal; color:var(--ink-soft)}
.formation-side{position:sticky; top:90px}
.side-card{padding:26px}
.side-row{display:flex; justify-content:space-between; padding:12px 0; border-bottom:1px solid var(--line-soft)}
.side-row span{color:var(--muted)}
.side-note{text-align:center; color:var(--muted); font-size:.84rem; margin:14px 0 0}

/* ---------- Formulaires ---------- */
.form{padding:30px 32px; display:flex; flex-direction:column}
.form-row{display:grid; grid-template-columns:1fr 1fr; gap:16px}
.form label{font-weight:500; font-size:.9rem; color:var(--ink-soft); margin:14px 0 6px; display:block}
.form input,.form textarea{
  width:100%; padding:12px 14px; border:1px solid var(--line); border-radius:10px;
  font:inherit; color:var(--ink); background:#fff; transition:border-color .15s, box-shadow .15s;
}
.form input:focus,.form textarea:focus{outline:none; border-color:var(--blue); box-shadow:0 0 0 3px rgba(37,99,235,.14)}
.form button{margin-top:20px; align-self:flex-start}
.hp{position:absolute; left:-9999px; width:1px; height:1px; overflow:hidden}
.alert{padding:14px 18px; border-radius:12px; margin-bottom:18px; font-weight:500}
.alert.ok{background:rgba(22,163,74,.08); border:1px solid rgba(22,163,74,.3); color:#15803d}
.alert.err{background:rgba(220,38,38,.07); border:1px solid rgba(220,38,38,.3); color:#b91c1c}
.contact-info{text-align:center; margin-top:26px; color:var(--muted); font-size:.92rem}

/* ============================================================
   Bandeau logos financement & certification
============================================================ */
.certif-band{padding:30px 0; background:var(--bg-soft); border-top:1px solid var(--line-soft); border-bottom:1px solid var(--line-soft)}
.certif-logos{display:flex; align-items:center; justify-content:center; gap:clamp(28px,6vw,64px); flex-wrap:wrap}
.certif-logos img{height:42px; width:auto; max-width:200px; object-fit:contain; transition:transform .2s}
.certif-logos img:hover{transform:translateY(-2px)}
@media (max-width:680px){ .certif-logos img{height:34px} }

/* ============================================================
   Footer
============================================================ */
.footer{background:#0f172a; color:#cbd5e1; padding:60px 0 30px}
.footer .brand{color:#fff}
.footer .brand span{color:var(--blue-bright)}
.footer-top{display:grid; grid-template-columns:1.4fr 1fr 1.4fr; gap:34px; padding-bottom:36px; border-bottom:1px solid rgba(148,163,184,.18)}
.footer-brand p{color:#94a3b8; font-size:.92rem}
.footer-contacts{color:#cbd5e1 !important; font-size:.9rem}
.footer-links h4{color:#fff; font-size:.86rem; text-transform:uppercase; letter-spacing:.06em; margin-bottom:14px}
.footer-links a{display:block; color:#94a3b8; padding:5px 0; font-size:.92rem}
.footer-links a:hover{color:#fff}
.footer-cities{padding:30px 0; border-bottom:1px solid rgba(148,163,184,.18)}
.footer-cities h4{color:#fff; font-size:.95rem; margin-bottom:16px}
.cities-grid{display:grid; grid-template-columns:repeat(5,1fr); gap:6px 16px}
.cities-grid a{color:#94a3b8; font-size:.8rem; padding:3px 0}
.cities-grid a:hover{color:var(--blue-bright)}
.footer-bottom{display:flex; justify-content:space-between; flex-wrap:wrap; gap:10px; padding-top:24px; color:#94a3b8; font-size:.84rem}
.footer-credit a{color:var(--blue-bright)}
.footer-credit a:hover{color:#fff}

/* ============================================================
   Chatbot
============================================================ */
.chatbot{position:fixed; right:22px; bottom:22px; z-index:80}
.chatbot-toggle{
  width:60px; height:60px; border-radius:50%; border:none; cursor:pointer; color:#fff;
  background:linear-gradient(135deg,var(--blue),var(--violet)); box-shadow:0 14px 36px rgba(37,99,235,.4);
  display:flex; align-items:center; justify-content:center; transition:transform .15s;
}
.chatbot-toggle:hover{transform:scale(1.06)}
.chatbot-panel{
  position:absolute; right:0; bottom:74px; width:340px; max-width:calc(100vw - 44px);
  background:#fff; border:1px solid var(--line); border-radius:18px; overflow:hidden;
  box-shadow:0 30px 70px rgba(15,23,42,.25); display:flex; flex-direction:column;
}
.chatbot-head{display:flex; align-items:center; gap:12px; padding:16px; background:var(--bg-soft); border-bottom:1px solid var(--line-soft)}
.chatbot-avatar{width:38px; height:38px; border-radius:50%; background:linear-gradient(135deg,var(--blue),var(--violet));
  color:#fff; display:flex; align-items:center; justify-content:center; font-weight:700; font-size:.82rem; font-family:"Outfit",sans-serif}
.chatbot-head strong{display:block; font-size:.95rem; color:var(--ink)}
.chatbot-head small{color:var(--muted); font-size:.72rem}
.chatbot-close{margin-left:auto; background:none; border:none; font-size:1.5rem; color:var(--muted); cursor:pointer; line-height:1}
.chatbot-body{padding:16px; display:flex; flex-direction:column; gap:10px; max-height:300px; overflow-y:auto}
.msg{padding:11px 14px; border-radius:14px; font-size:.9rem; max-width:85%; line-height:1.45}
.msg.bot{background:var(--bg-tint); color:var(--ink-soft); align-self:flex-start; border-bottom-left-radius:4px}
.msg.user{background:linear-gradient(135deg,var(--blue),var(--violet)); color:#fff; align-self:flex-end; border-bottom-right-radius:4px}
.chatbot-lead{display:flex; flex-direction:column; gap:8px; padding:0 16px 12px}
.chatbot-lead input{padding:9px 12px; border:1px solid var(--line); border-radius:9px; font:inherit; font-size:.86rem}
.chatbot-lead input:focus{outline:none; border-color:var(--blue)}
.chatbot-input{display:flex; gap:8px; padding:12px 16px; border-top:1px solid var(--line-soft)}
.chatbot-input input{flex:1; padding:10px 12px; border:1px solid var(--line); border-radius:9px; font:inherit; font-size:.88rem}
.chatbot-input input:focus{outline:none; border-color:var(--blue)}
.chatbot-input button{padding:10px 16px; border:none; border-radius:9px; cursor:pointer; font-weight:600; font-size:.86rem;
  color:#fff; background:linear-gradient(135deg,var(--blue),var(--violet))}

/* ============================================================
   Responsive
============================================================ */
@media (max-width:980px){
  .stats-grid{grid-template-columns:repeat(2,1fr)}
  .reviews-grid,.features-grid,.cards-grid{grid-template-columns:repeat(2,1fr)}
  .formation-detail{grid-template-columns:1fr}
  .formation-side{position:static}
  .footer-top{grid-template-columns:1fr 1fr}
  .cities-grid{grid-template-columns:repeat(3,1fr)}
  .trust-grid{grid-template-columns:1fr}
}
@media (max-width:680px){
  .section{padding:60px 0}
  .nav-links{
    position:fixed; inset:70px 0 auto 0; flex-direction:column; gap:0; background:#fff;
    border-bottom:1px solid var(--line); padding:10px 24px 18px; box-shadow:var(--shadow);
    transform:translateY(-120%); transition:transform .25s; align-items:stretch;
  }
  .nav-links.open{transform:translateY(0)}
  .nav-links a{padding:14px 8px; border-bottom:1px solid var(--line-soft)}
  .nav-cta{margin-top:10px; text-align:center}
  .burger{display:flex}
  .stats-grid,.reviews-grid,.features-grid,.cards-grid{grid-template-columns:1fr}
  .form-row{grid-template-columns:1fr}
  .footer-top{grid-template-columns:1fr}
  .cities-grid{grid-template-columns:repeat(2,1fr)}
  .footer-bottom{flex-direction:column}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none !important; scroll-behavior:auto !important}
  .reveal{opacity:1 !important; transform:none !important}
}

/* Animations d'apparition au défilement */
.reveal{opacity:0; transform:translateY(20px); transition:opacity .6s ease, transform .6s ease}
.reveal.in{opacity:1; transform:none}

/* Indicateur « en train d'écrire » */
.msg.typing{display:flex; gap:4px; align-items:center}
.msg.typing span{width:7px; height:7px; border-radius:50%; background:var(--muted); opacity:.5; animation:edu-typing 1s infinite}
.msg.typing span:nth-child(2){animation-delay:.15s}
.msg.typing span:nth-child(3){animation-delay:.3s}
@keyframes edu-typing{0%,60%,100%{transform:translateY(0); opacity:.4} 30%{transform:translateY(-4px); opacity:1}}

/* Maillage interne des pages villes */
.nearby-grid{display:grid; grid-template-columns:repeat(3,1fr); gap:8px 18px; margin-top:8px}
.nearby-grid a{font-size:.92rem}
@media (max-width:680px){ .nearby-grid{grid-template-columns:1fr 1fr} }