/* auto-formation.com — identité edtech moderne (design propre au site) */
:root{
  --bg:#f5f7fc;
  --surface:#ffffff;
  --indigo:#3f46e0;
  --indigo-dark:#2a2fb0;
  --indigo-soft:#eef0fe;
  --blue:#2f8fed;
  --ink:#161b33;
  --ink-soft:#525a78;
  --border:#e4e8f4;
  --ring:0 1px 2px rgba(22,27,51,.04),0 10px 30px rgba(63,70,224,.08);
  --ring-lg:0 20px 50px rgba(42,47,176,.12);
  --radius:18px;
  --radius-sm:12px;
  --wrap:1120px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:"Inter",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  color:var(--ink);
  background:var(--bg);
  line-height:1.7;
  font-size:17px;
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4,h5{font-family:"DM Sans","Inter",sans-serif;line-height:1.18;color:var(--ink);font-weight:700;margin:0 0 .5em;letter-spacing:-.02em}
a{color:var(--indigo);text-decoration:none}
a:hover{color:var(--indigo-dark)}
img{max-width:100%;height:auto;display:block}
.wrap{max-width:var(--wrap);margin:0 auto;padding:0 24px}

/* Topbar */
.topbar{background:rgba(255,255,255,.86);backdrop-filter:saturate(160%) blur(10px);border-bottom:1px solid var(--border);position:sticky;top:0;z-index:30}
.topbar-inner{display:flex;align-items:center;justify-content:space-between;gap:20px;padding:15px 24px;max-width:var(--wrap);margin:0 auto}
.logo{display:flex;align-items:center;gap:10px;font-family:"DM Sans",sans-serif;font-size:1.28rem;font-weight:700;color:var(--ink);letter-spacing:-.03em}
.logo-mark{width:32px;height:32px;border-radius:9px;background:linear-gradient(135deg,var(--indigo),var(--blue));display:inline-flex;align-items:center;justify-content:center;color:#fff;font-weight:800;font-size:1rem;box-shadow:var(--ring)}
.logo em{font-style:normal;color:var(--indigo)}
.nav-links{display:flex;gap:8px;list-style:none;margin:0;padding:0;align-items:center;flex-wrap:wrap}
.nav-links a{color:var(--ink-soft);font-size:.95rem;font-weight:500;padding:8px 12px;border-radius:9px}
.nav-links a:hover{color:var(--indigo);background:var(--indigo-soft)}
.nav-links .nav-cta{background:var(--indigo);color:#fff;padding:9px 18px}
.nav-links .nav-cta:hover{background:var(--indigo-dark);color:#fff}
.burger{display:none;background:none;border:1px solid var(--border);border-radius:10px;padding:8px 12px;font-size:1.2rem;cursor:pointer;color:var(--ink);line-height:1}

/* Hero */
.hero{position:relative;overflow:hidden;padding:88px 0 76px;background:radial-gradient(1200px 500px at 80% -10%,#e7ebff 0%,rgba(231,235,255,0) 60%),linear-gradient(180deg,#ffffff 0%,var(--bg) 100%)}
.hero-badge{display:inline-flex;align-items:center;gap:8px;background:var(--indigo-soft);color:var(--indigo-dark);font-size:.82rem;font-weight:600;padding:7px 14px;border-radius:999px;margin-bottom:22px}
.hero h1{font-size:3.15rem;max-width:16ch;margin-bottom:.3em}
.hero .grad{background:linear-gradient(120deg,var(--indigo),var(--blue));-webkit-background-clip:text;background-clip:text;color:transparent}
.hero .sub{font-size:1.24rem;max-width:52ch;color:var(--ink-soft);margin:0 0 1.8em}
.hero-actions{display:flex;gap:14px;flex-wrap:wrap}
.btn{display:inline-flex;align-items:center;gap:8px;background:var(--indigo);color:#fff;font-family:"DM Sans",sans-serif;font-weight:600;padding:14px 28px;border-radius:12px;border:0;cursor:pointer;font-size:1rem;box-shadow:var(--ring);transition:transform .12s ease}
.btn:hover{background:var(--indigo-dark);color:#fff;transform:translateY(-1px)}
.btn.outline{background:#fff;color:var(--indigo);border:1px solid var(--border);box-shadow:none}
.btn.outline:hover{background:var(--indigo-soft);color:var(--indigo-dark)}
.hero-stats{display:flex;gap:36px;margin-top:44px;flex-wrap:wrap}
.hero-stats .stat{display:flex;flex-direction:column}
.hero-stats .stat b{font-family:"DM Sans",sans-serif;font-size:1.7rem;color:var(--indigo-dark)}
.hero-stats .stat span{font-size:.9rem;color:var(--ink-soft)}

/* Sections */
.block{padding:74px 0}
.block.tint{background:var(--surface);border-top:1px solid var(--border);border-bottom:1px solid var(--border)}
.kicker{text-transform:uppercase;letter-spacing:.16em;font-size:.76rem;color:var(--indigo);font-weight:700;margin-bottom:12px}
.block h2{font-size:2.25rem;margin-bottom:.4em}
.block .intro{font-size:1.14rem;color:var(--ink-soft);max-width:62ch}

/* Feature cards */
.features{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:24px;margin-top:44px}
.feature{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:30px 28px;box-shadow:var(--ring)}
.feature .ic{width:48px;height:48px;border-radius:14px;background:var(--indigo-soft);color:var(--indigo);display:flex;align-items:center;justify-content:center;font-size:1.4rem;margin-bottom:18px}
.feature h3{font-size:1.24rem;margin-bottom:.35em}
.feature p{color:var(--ink-soft);font-size:1rem;margin:0}

/* Guides grid */
.guides{display:grid;grid-template-columns:repeat(auto-fit,minmax(290px,1fr));gap:26px;margin-top:44px}
.guide{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);overflow:hidden;display:flex;flex-direction:column;box-shadow:var(--ring);transition:transform .14s ease,box-shadow .14s ease}
.guide:hover{transform:translateY(-4px);box-shadow:var(--ring-lg)}
.guide .cover{height:104px;background:linear-gradient(135deg,var(--indigo),var(--blue));position:relative}
.guide .cover.c2{background:linear-gradient(135deg,#5b53e6,#2f8fed)}
.guide .cover.c3{background:linear-gradient(135deg,#2f8fed,#22b8cf)}
.guide .cover.c4{background:linear-gradient(135deg,#7048e8,#4263eb)}
.guide .cover.c5{background:linear-gradient(135deg,#4263eb,#3bc9a0)}
.guide .cover span{position:absolute;left:20px;bottom:14px;color:rgba(255,255,255,.92);font-size:.74rem;font-weight:600;text-transform:uppercase;letter-spacing:.12em}
.guide .in{padding:24px 26px 28px;display:flex;flex-direction:column;flex:1}
.guide h3{font-size:1.2rem;margin:0 0 .4em}
.guide p{color:var(--ink-soft);font-size:.98rem;flex:1;margin:0}
.guide .read{margin-top:16px;font-weight:600;color:var(--indigo);font-size:.95rem}
.guide:hover .read{color:var(--indigo-dark)}

/* Article */
.post{background:var(--surface);border-bottom:1px solid var(--border)}
.post .wrap{max-width:780px;padding-top:52px;padding-bottom:64px}
.crumb{color:var(--ink-soft);font-size:.9rem;margin-bottom:22px}
.crumb a{color:var(--indigo)}
.post .chip{display:inline-block;background:var(--indigo-soft);color:var(--indigo-dark);font-size:.76rem;font-weight:600;text-transform:uppercase;letter-spacing:.1em;padding:6px 12px;border-radius:999px;margin-bottom:18px}
.post h1{font-size:2.65rem;margin-bottom:.35em}
.post .dek{font-size:1.2rem;color:var(--ink-soft);margin:0 0 8px}
.post h2{font-size:1.62rem;margin-top:1.7em}
.post h3{font-size:1.26rem;margin-top:1.4em}
.post p,.post ul,.post ol{font-size:1.07rem;color:#232a45}
.post ul,.post ol{padding-left:1.3em}
.post li{margin:.4em 0}
.post strong{color:var(--ink)}
.post blockquote{border-left:4px solid var(--indigo);margin:1.5em 0;padding:.6em 1.2em;color:var(--ink-soft);font-style:italic;background:var(--indigo-soft);border-radius:0 12px 12px 0}
.note{background:var(--indigo-soft);border:1px solid #d9ddfb;border-radius:var(--radius-sm);padding:22px 26px;margin:1.7em 0}
.note strong{color:var(--indigo-dark)}
.sources{font-size:.95rem;color:var(--ink-soft);border-top:1px solid var(--border);margin-top:44px;padding-top:22px}
.sources a{word-break:break-word}
.related{margin-top:44px}
.related h4{font-size:.8rem;text-transform:uppercase;letter-spacing:.14em;color:var(--indigo);margin-bottom:16px}
.related ul{list-style:none;padding:0;margin:0;display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:14px}
.related li a{display:block;background:var(--bg);border:1px solid var(--border);border-radius:var(--radius-sm);padding:15px 18px;color:var(--ink);font-weight:600;font-size:.98rem}
.related li a:hover{border-color:var(--indigo);color:var(--indigo)}

/* FAQ */
.faq{max-width:800px;margin:40px auto 0}
.faq details{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-sm);margin-bottom:14px;padding:6px 24px;box-shadow:var(--ring)}
.faq summary{cursor:pointer;font-family:"DM Sans",sans-serif;font-weight:600;font-size:1.08rem;color:var(--ink);padding:14px 0;list-style:none;display:flex;justify-content:space-between;align-items:center;gap:16px}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";color:var(--indigo);font-size:1.4rem;font-weight:400}
.faq details[open] summary::after{content:"–"}
.faq p{color:var(--ink-soft);margin:0 0 18px}

/* CTA band */
.cta{background:linear-gradient(135deg,var(--indigo-dark),var(--indigo) 55%,var(--blue));color:#fff;text-align:center;padding:70px 0;position:relative;overflow:hidden}
.cta h2{color:#fff;font-size:2.2rem}
.cta p{max-width:56ch;margin:0 auto 1.6em;color:rgba(255,255,255,.9)}
.cta .btn{background:#fff;color:var(--indigo-dark)}
.cta .btn:hover{background:#eef0fe;color:var(--indigo-dark)}

/* Generic page content (a-propos, contact, legal) */
.page{background:var(--surface);border-bottom:1px solid var(--border)}
.page .wrap{max-width:820px;padding-top:52px;padding-bottom:60px}
.page h1{font-size:2.5rem;margin-bottom:.4em}
.page h2{font-size:1.5rem;margin-top:1.6em}
.page p,.page ul,.page ol{font-size:1.06rem;color:#232a45}
.page ul{padding-left:1.3em}
.page li{margin:.35em 0}

/* Forms */
.form{max-width:600px;margin-top:30px}
.form label{display:block;font-size:.94rem;font-weight:600;margin:18px 0 7px;color:var(--ink)}
.form input,.form textarea{width:100%;padding:13px 15px;border:1px solid var(--border);border-radius:12px;font-family:inherit;font-size:1rem;background:var(--surface);color:var(--ink)}
.form input:focus,.form textarea:focus{outline:none;border-color:var(--indigo);box-shadow:0 0 0 3px var(--indigo-soft)}
.form textarea{min-height:150px;resize:vertical}
.form .btn{margin-top:22px}
.contact-alt{margin-top:26px;padding:20px 24px;background:var(--bg);border:1px solid var(--border);border-radius:var(--radius-sm);font-size:.98rem;color:var(--ink-soft)}

/* Footer */
.foot{background:#12163a;color:#aab1d6;padding:56px 0 30px;font-size:.96rem}
.foot-grid{display:grid;grid-template-columns:2fr 1fr 1fr;gap:38px}
.foot h5{color:#fff;font-family:"DM Sans",sans-serif;font-size:1.05rem;margin:0 0 16px}
.foot .logo{color:#fff;margin-bottom:14px}
.foot a{color:#b8bee0}
.foot a:hover{color:#fff}
.foot ul{list-style:none;padding:0;margin:0}
.foot li{margin:.45em 0}
.foot p{color:#8b93bd;max-width:38ch}
.foot-legal{border-top:1px solid #262b57;margin-top:38px;padding-top:20px;font-size:.86rem;color:#7b83ad;display:flex;justify-content:space-between;flex-wrap:wrap;gap:12px}

/* 404 */
.err{min-height:60vh;display:flex;align-items:center;justify-content:center;text-align:center;padding:80px 24px}
.err .code{font-family:"DM Sans",sans-serif;font-size:5rem;font-weight:800;background:linear-gradient(120deg,var(--indigo),var(--blue));-webkit-background-clip:text;background-clip:text;color:transparent;line-height:1}

@media(max-width:820px){
  .foot-grid{grid-template-columns:1fr 1fr}
}
@media(max-width:720px){
  body{font-size:16px}
  .hero{padding:60px 0 54px}
  .hero h1{font-size:2.3rem}
  .hero .sub{font-size:1.1rem}
  .block h2{font-size:1.8rem}
  .post h1{font-size:2rem}
  .nav-links{display:none;position:absolute;top:62px;left:0;right:0;background:var(--surface);flex-direction:column;align-items:stretch;gap:0;border-bottom:1px solid var(--border);padding:10px 20px;box-shadow:var(--ring)}
  .nav-links.open{display:flex}
  .nav-links li{width:100%}
  .nav-links a{display:block;padding:12px 10px;border-radius:8px}
  .nav-links .nav-cta{text-align:center;margin-top:6px}
  .burger{display:inline-block}
  .foot-grid{grid-template-columns:1fr}
  .hero-stats{gap:24px}
}

/* ============ Ajouts : catalogue des formations ============ */

/* Bandeau chiffre-clé (home + page catalogue) */
.count-banner{display:grid;grid-template-columns:1.4fr 1fr;gap:28px;align-items:center;background:linear-gradient(135deg,var(--indigo-dark),var(--indigo) 60%,var(--blue));color:#fff;border-radius:var(--radius);padding:34px 38px;margin-top:44px;box-shadow:var(--ring-lg);position:relative;overflow:hidden}
.count-banner::after{content:"";position:absolute;right:-40px;top:-40px;width:220px;height:220px;border-radius:50%;background:radial-gradient(circle at 30% 30%,rgba(255,255,255,.18),rgba(255,255,255,0) 65%)}
.count-banner .cb-main{position:relative;z-index:1}
.count-banner .flag{display:inline-block;background:rgba(255,255,255,.16);color:#fff;font-size:.74rem;font-weight:700;letter-spacing:.1em;text-transform:uppercase;padding:5px 12px;border-radius:999px;margin-bottom:14px}
.count-banner h2{color:#fff;font-size:1.8rem;margin:0 0 .35em}
.count-banner p{color:rgba(255,255,255,.9);margin:0 0 1.1em}
.count-banner .cb-nums{position:relative;z-index:1;display:grid;grid-template-columns:1fr 1fr;gap:14px}
.count-banner .cb-num{background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.16);border-radius:14px;padding:16px 18px}
.count-banner .cb-num b{display:block;font-family:"DM Sans",sans-serif;font-size:2rem;line-height:1}
.count-banner .cb-num span{font-size:.85rem;color:rgba(255,255,255,.85)}

/* Sommaire à ancres */
.toc{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:22px 26px;margin:1.8em 0;box-shadow:var(--ring)}
.toc h4{font-size:.78rem;text-transform:uppercase;letter-spacing:.14em;color:var(--indigo);margin:0 0 14px}
.toc ul{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:8px}
.toc li a{display:flex;justify-content:space-between;gap:10px;padding:9px 12px;border-radius:10px;color:var(--ink);font-weight:500;font-size:.96rem;border:1px solid transparent}
.toc li a:hover{background:var(--indigo-soft);color:var(--indigo-dark)}
.toc li a .n{color:var(--ink-soft);font-variant-numeric:tabular-nums;font-size:.85rem}

/* Domaines de formation */
.domain{margin:2.4em 0 0;scroll-margin-top:80px}
.domain-head{display:flex;align-items:center;gap:14px;flex-wrap:wrap;border-bottom:2px solid var(--indigo-soft);padding-bottom:12px;margin-bottom:6px}
.domain-head .dic{width:44px;height:44px;border-radius:12px;background:var(--indigo-soft);color:var(--indigo);display:flex;align-items:center;justify-content:center;font-size:1.35rem;flex:none}
.domain-head h2{margin:0;font-size:1.5rem}
.domain-head .fcount{margin-left:auto;background:var(--indigo);color:#fff;font-size:.78rem;font-weight:700;padding:4px 12px;border-radius:999px;white-space:nowrap}
.domain > p.dlede{color:var(--ink-soft);font-size:1.02rem;margin:.7em 0 0}
.flist{display:flex;flex-wrap:wrap;gap:10px;margin:16px 0 0;padding:0;list-style:none}
.flist li{background:var(--bg);border:1px solid var(--border);border-radius:999px;padding:9px 16px;font-size:.95rem;color:var(--ink);font-weight:500;transition:border-color .12s ease,color .12s ease}
.flist li:hover{border-color:var(--indigo);color:var(--indigo-dark)}
.flist li.hot{background:#fff4e8;border-color:#ffd8a8;color:#b5540b}
.flist li.hot::before{content:"🔥 ";}

@media(max-width:720px){
  .count-banner{grid-template-columns:1fr;padding:26px 24px}
  .count-banner .cb-nums{grid-template-columns:1fr 1fr}
  .domain-head .fcount{margin-left:0}
}

/* Chips cliquables (vers les pages dédiées) */
.flist li a{color:inherit;text-decoration:none;display:block;margin:-9px -16px;padding:9px 16px;border-radius:999px}
.flist li:has(a){padding:0}
.flist li:has(a):hover{border-color:var(--indigo);color:var(--indigo-dark)}
.flist li a::after{content:" ›";color:var(--indigo);font-weight:700}
.flist li.hot a::after{color:#b5540b}