/* ============================================================
   IA NUMERIS — feuille de style
   Couleurs, typo et sections clairement repérées pour édition.
   ============================================================ */
:root{
  --bg:#EAF4FF;
  --card:#F9FCFF;
  --bg-soft:#DCEEFF;
  --bg-soft-2:#CFE4F7;
  --ink:#233F5C;
  --ink-2:#40566B;
  --muted:#687F93;
  --line:#BCD2E4;
  --blue:#4F6D8C;
  --blue-600:#3D5872;
  --cyan:#6F9FC2;
  --violet:#7388A8;
  --green:#6D8F91;
  --grad:linear-gradient(135deg,#4F6D8C 0%,#6686A6 100%);
  --grad-cv:linear-gradient(135deg,#6F9FC2 0%,#7187A7 100%);
  --shadow-sm:0 4px 16px rgba(49,82,112,.10);
  --shadow:0 20px 48px -24px rgba(49,82,112,.32);
  --shadow-lift:0 28px 58px -24px rgba(49,82,112,.42);
  --radius:20px;
  --maxw:1180px;
  --display:"Bricolage Grotesque",system-ui,sans-serif;
  --body:"Plus Jakarta Sans",system-ui,sans-serif;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:var(--body);
  color:var(--ink);
  background:var(--bg);
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
h1,h2,h3,h4{font-family:var(--display);line-height:1.1;letter-spacing:-.02em;font-weight:700}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
.wrap{width:100%;max-width:var(--maxw);margin:0 auto;padding:0 24px}
.section{padding:96px 0}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:.8rem;font-weight:700;letter-spacing:.08em;text-transform:uppercase;
  color:var(--blue);background:var(--bg-soft-2);
  padding:7px 14px;border-radius:100px;margin-bottom:18px;
}
.eyebrow .dot{width:7px;height:7px;border-radius:50%;background:var(--grad-cv)}
.lead{font-size:1.12rem;color:var(--ink-2);max-width:62ch}
.center{text-align:center}
.center .lead{margin-left:auto;margin-right:auto}

/* ---------- Boutons ---------- */
.btn{
  display:inline-flex;align-items:center;gap:9px;
  font-family:var(--body);font-weight:600;font-size:1rem;
  padding:14px 26px;border-radius:100px;border:1px solid transparent;
  cursor:pointer;transition:transform .25s ease,box-shadow .25s ease,background .25s ease;
  white-space:nowrap;
}
.btn svg{width:18px;height:18px}
.btn-primary{background:var(--grad);color:#fff;box-shadow:var(--shadow)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:var(--shadow-lift)}
.btn-ghost{background:var(--card);color:var(--ink);border-color:var(--line);box-shadow:var(--shadow-sm)}
.btn-ghost:hover{transform:translateY(-2px);border-color:#C9D2D0;color:var(--blue)}
.btn-soft{background:var(--bg-soft-2);color:var(--blue-600)}
.btn-soft:hover{transform:translateY(-2px);background:#e2ecff}

/* ---------- En-tête / Navigation ---------- */
header{
  position:sticky;top:0;z-index:1000;
  background:rgba(244,243,239,.90);backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line);
}
.nav{display:flex;align-items:center;justify-content:space-between;height:74px}
.brand{display:flex;align-items:center;gap:11px;font-family:var(--display);font-weight:800;font-size:1.28rem}
.brand .logo{
  width:38px;height:38px;border-radius:11px;background:var(--grad-cv);
  display:grid;place-items:center;color:#fff;box-shadow:var(--shadow);flex:none;
}
.brand .logo svg{width:21px;height:21px}
.brand small{display:block;font-family:var(--body);font-size:.68rem;font-weight:600;color:var(--muted);letter-spacing:.02em;line-height:1}
.brand b{line-height:1;display:block}
.menu{display:flex;align-items:center;gap:4px;list-style:none}
.menu>li{position:relative}
.menu a.nav-link,.menu button.nav-link{
  display:inline-flex;align-items:center;gap:6px;
  font-family:var(--body);font-weight:600;font-size:.97rem;color:var(--ink-2);
  padding:10px 15px;border-radius:11px;background:none;border:none;cursor:pointer;
  transition:color .2s,background .2s;
}
.menu a.nav-link:hover,.menu button.nav-link:hover{color:var(--blue);background:var(--bg-soft)}
.menu a.nav-link.active{color:var(--blue);background:var(--bg-soft-2)}
.menu .chev{width:15px;height:15px;transition:transform .25s}
.has-drop:hover .chev,.has-drop.open .chev{transform:rotate(180deg)}
.dropdown{
  position:absolute;top:calc(100% + 10px);left:0;min-width:230px;
  background:var(--card);border:1px solid var(--line);border-radius:16px;
  box-shadow:0 24px 60px -20px rgba(22,35,58,.22);padding:8px;
  opacity:0;visibility:hidden;transform:translateY(8px);
  transition:opacity .22s,transform .22s,visibility .22s;
}
.has-drop:hover .dropdown,.has-drop.open .dropdown{opacity:1;visibility:visible;transform:translateY(0)}
.dropdown a{
  display:flex;align-items:center;gap:10px;
  padding:10px 12px;border-radius:11px;font-weight:600;font-size:.93rem;color:var(--ink-2);
  transition:background .18s,color .18s;
}
.dropdown a:hover{background:var(--bg-soft);color:var(--blue)}
.dropdown a .tdot{width:9px;height:9px;border-radius:50%;flex:none}
.nav-cta{display:flex;align-items:center;gap:10px}
.burger{display:none;background:none;border:1px solid var(--line);border-radius:11px;width:46px;height:46px;cursor:pointer;align-items:center;justify-content:center}
.burger svg{width:22px;height:22px;color:var(--ink)}

/* ---------- Pages (router JS) ---------- */
.page{display:none;animation:pageIn .5s ease}
.page.active{display:block}
@keyframes pageIn{from{opacity:0;transform:translateY(10px)}to{opacity:1;transform:none}}

/* ---------- HÉROS ---------- */
.hero{position:relative;overflow:hidden;padding:110px 0 96px;background:var(--bg-soft)}
.hero-inner{position:relative;z-index:2;max-width:880px;margin:0 auto;text-align:center}
.hero h1{font-size:clamp(2.4rem,6vw,4.3rem);font-weight:800;margin-bottom:22px}
.hero h1 .hl{background:var(--grad-cv);-webkit-background-clip:text;background-clip:text;color:transparent}
.hero .lead{font-size:clamp(1.05rem,2.5vw,1.3rem);margin:0 auto 36px}
.hero-cta{display:flex;gap:14px;justify-content:center;flex-wrap:wrap}
/* Aurores dégradées en fond — la signature visuelle */
.aurora{position:absolute;border-radius:50%;filter:blur(70px);opacity:.28;z-index:1;pointer-events:none}
.a1{width:520px;height:520px;background:radial-gradient(circle,#B7C8C2,transparent 65%);top:-180px;left:-120px;animation:drift1 16s ease-in-out infinite}
.a2{width:480px;height:480px;background:radial-gradient(circle,#C8C1CA,transparent 65%);top:-120px;right:-130px;animation:drift2 19s ease-in-out infinite}
.a3{width:420px;height:420px;background:radial-gradient(circle,#B8CCC8,transparent 65%);bottom:-200px;left:35%;animation:drift1 22s ease-in-out infinite}
@keyframes drift1{0%,100%{transform:translate(0,0)}50%{transform:translate(40px,30px)}}
@keyframes drift2{0%,100%{transform:translate(0,0)}50%{transform:translate(-35px,40px)}}
.hero-mini{display:flex;gap:26px;justify-content:center;flex-wrap:wrap;margin-top:42px;color:var(--muted);font-size:.92rem;font-weight:600}
.hero-mini span{display:inline-flex;align-items:center;gap:8px}
.hero-mini svg{width:18px;height:18px;color:var(--blue)}

/* page interne hero (plus compact) */
.subhero{padding:84px 0 56px;background:var(--bg-soft);position:relative;overflow:hidden}
.subhero .wrap{position:relative;z-index:2;max-width:820px;text-align:center;margin:0 auto}
.subhero h1{font-size:clamp(2rem,5vw,3.2rem);font-weight:800;margin-bottom:18px}

/* ---------- Grilles & cartes ---------- */
.grid{display:grid;gap:22px}
.g2{grid-template-columns:repeat(2,1fr)}
.g3{grid-template-columns:repeat(3,1fr)}
.g4{grid-template-columns:repeat(4,1fr)}
.card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius);
  padding:28px;box-shadow:var(--shadow-sm);
  transition:transform .3s ease,box-shadow .3s ease,border-color .3s ease;
  position:relative;overflow:hidden;
}
.card:hover{transform:translateY(-6px);box-shadow:var(--shadow);border-color:#C5CECA}
.card h3{font-size:1.22rem;margin-bottom:9px}
.card p{color:var(--ink-2);font-size:.97rem}
.ic{
  width:52px;height:52px;border-radius:14px;display:grid;place-items:center;
  background:var(--bg-soft-2);color:var(--blue);margin-bottom:16px;
}
.ic svg{width:25px;height:25px}
.ic.grad{background:var(--grad-cv);color:#fff}

/* Liste « pour qui » : pastilles compactes */
.pills{display:flex;flex-wrap:wrap;gap:14px}
.pill{
  display:flex;align-items:center;gap:11px;background:var(--card);border:1px solid var(--line);
  border-radius:100px;padding:12px 20px;font-weight:600;color:var(--ink);
  box-shadow:var(--shadow-sm);transition:transform .25s,border-color .25s,color .25s;
}
.pill:hover{transform:translateY(-3px);border-color:#C9D2D0;color:var(--blue)}
.pill .pc{width:30px;height:30px;border-radius:9px;display:grid;place-items:center;background:var(--bg-soft-2);color:var(--blue);flex:none}
.pill .pc svg{width:16px;height:16px}

/* Liste apprentissage (icône + texte aligné) */
.learn{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}
.learn-item{display:flex;gap:15px;align-items:flex-start;background:var(--card);border:1px solid var(--line);border-radius:16px;padding:20px;box-shadow:var(--shadow-sm);transition:transform .25s,box-shadow .25s}
.learn-item:hover{transform:translateY(-4px);box-shadow:var(--shadow)}
.learn-item .ic{margin-bottom:0;width:46px;height:46px;flex:none}
.learn-item b{display:block;font-family:var(--display);font-size:1.05rem;color:var(--ink)}

/* Bloc texte encadré */
.note{
  background:var(--bg-soft);border:1px solid var(--line);border-radius:var(--radius);
  padding:40px;
}
.note.lg{padding:48px}

/* ---------- Bandeau CTA ---------- */
.cta-band{position:relative;overflow:hidden;background:var(--grad);border-radius:28px;padding:64px 40px;text-align:center;color:#fff;box-shadow:var(--shadow)}
.cta-band h2{font-size:clamp(1.8rem,4vw,2.6rem);color:#fff;margin-bottom:14px}
.cta-band p{color:rgba(255,255,255,.9);font-size:1.12rem;max-width:54ch;margin:0 auto 28px}
.cta-band .btn-primary{background:var(--card);color:var(--blue-600);box-shadow:0 14px 40px -10px rgba(0,0,0,.3)}
.cta-band .gl{position:absolute;width:360px;height:360px;border-radius:50%;background:rgba(255,255,255,.16);filter:blur(40px)}
.cta-band .gl1{top:-120px;left:-80px}
.cta-band .gl2{bottom:-140px;right:-60px}

/* ---------- Cartes outils IA ---------- */
.tool{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius);
  padding:26px;box-shadow:var(--shadow-sm);position:relative;overflow:hidden;
  transition:transform .3s,box-shadow .3s,border-color .3s;
  display:flex;flex-direction:column;
}
.tool::before{content:"";position:absolute;inset:0 0 auto 0;height:4px;background:var(--tc,var(--grad-cv));opacity:0;transition:opacity .3s}
.tool:hover{transform:translateY(-7px);box-shadow:var(--shadow-lift);border-color:#CDD5D2}
.tool:hover::before{opacity:1}
.tool .badge{
  width:54px;height:54px;border-radius:15px;display:grid;place-items:center;color:#fff;
  font-family:var(--display);font-weight:800;font-size:1.3rem;margin-bottom:16px;
  background:var(--tc,var(--grad-cv));box-shadow:0 10px 26px -10px var(--tcs,rgba(45,127,249,.5));flex:none;
}
.tool h3{font-size:1.2rem;margin-bottom:8px;display:flex;align-items:center;gap:8px}
.tool p{color:var(--ink-2);font-size:.95rem}
.tool-start{margin-top:16px}
.ts-label{display:block;font-family:var(--display);font-weight:700;font-size:.9rem;color:var(--ink);margin-bottom:9px}
.tool-steps{list-style:none;display:flex;flex-direction:column;gap:7px}
.tool-steps li{position:relative;padding-left:22px;font-size:.92rem;color:var(--ink-2)}
.tool-steps li::before{content:"";position:absolute;left:0;top:7px;width:8px;height:8px;border-radius:50%;background:var(--tc,#5D7180)}
.tool-ex{margin-top:15px;background:var(--bg-soft);border:1px solid var(--line);border-radius:12px;padding:12px 14px;font-size:.91rem;color:var(--ink);font-style:italic}
.tool-ex b{display:block;font-family:var(--display);font-style:normal;font-size:.72rem;letter-spacing:.06em;text-transform:uppercase;color:var(--blue);margin-bottom:4px}
.tool-tip{margin-top:15px;background:#fff7ec;border:1px solid #ffe2b8;border-radius:12px;padding:13px 15px;font-size:.91rem;color:#8a5a12;font-weight:500}
.tool .tlink{margin-top:auto;padding-top:18px;display:inline-flex;align-items:center;gap:7px;font-weight:700;color:var(--blue-600);font-size:.93rem}
.tool .tlink svg{width:16px;height:16px;transition:transform .25s}
.tool:hover .tlink svg{transform:translate(3px,-3px)}

/* ---------- Promotions ---------- */
.promo{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius);
  padding:30px;box-shadow:var(--shadow-sm);position:relative;overflow:hidden;
  transition:transform .3s,box-shadow .3s,border-color .3s;display:flex;flex-direction:column;
}
.promo:hover{transform:translateY(-6px);box-shadow:var(--shadow);border-color:#CDD5D2}
.promo .tag{position:absolute;top:18px;right:18px;font-size:.72rem;font-weight:700;letter-spacing:.05em;text-transform:uppercase;padding:6px 12px;border-radius:100px;background:var(--bg-soft-2);color:var(--blue-600)}
.promo .tag.soon{background:#fff4e6;color:#c2740b}
.promo .ic{margin-bottom:18px}
.promo h3{font-size:1.25rem;margin-bottom:10px}
.promo p{color:var(--ink-2);font-size:.96rem;flex:1}
.promo .price{font-family:var(--display);font-weight:800;font-size:1.6rem;margin:18px 0 6px;color:var(--ink)}
.promo .price small{font-family:var(--body);font-size:.85rem;font-weight:600;color:var(--muted)}
.promo .price.soon{font-size:1.15rem;color:var(--muted)}
.promo .btn{margin-top:16px;width:100%;justify-content:center}

/* ---------- Liens utiles ---------- */
.cat-title{display:flex;align-items:center;gap:13px;margin:46px 0 22px}
.cat-title .ic{margin-bottom:0;width:46px;height:46px}
.cat-title h2{font-size:1.5rem}
.linkcard{
  display:flex;align-items:center;gap:16px;background:var(--card);border:1px solid var(--line);
  border-radius:16px;padding:18px 20px;box-shadow:var(--shadow-sm);
  transition:transform .25s,box-shadow .25s,border-color .25s;
}
.linkcard:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:#CDD5D2}
.linkcard .badge{width:46px;height:46px;border-radius:13px;display:grid;place-items:center;color:#fff;font-family:var(--display);font-weight:800;background:var(--tc,var(--grad-cv));flex:none;font-size:1.05rem}
.linkcard .lc-body{flex:1;min-width:0}
.linkcard b{display:block;font-family:var(--display);font-size:1.05rem}
.linkcard span{font-size:.88rem;color:var(--muted)}
.linkcard .go{display:inline-flex;align-items:center;gap:6px;font-weight:700;color:var(--blue-600);font-size:.88rem;flex:none}
.linkcard .go svg{width:15px;height:15px;transition:transform .25s}
.linkcard:hover .go svg{transform:translate(3px,-3px)}

/* ---------- Contact ---------- */
.contact-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:30px;align-items:start}
.form{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:34px;box-shadow:var(--shadow-sm)}
.field{margin-bottom:18px}
.field label{display:block;font-weight:600;font-size:.92rem;margin-bottom:8px;color:var(--ink)}
.field input,.field textarea{
  width:100%;font-family:var(--body);font-size:1rem;color:var(--ink);
  padding:13px 16px;border:1px solid var(--line);border-radius:13px;background:var(--bg-soft);
  transition:border-color .2s,box-shadow .2s,background .2s;
}
.field input:focus,.field textarea:focus{outline:none;border-color:var(--blue);background:var(--card);box-shadow:0 0 0 4px rgba(93,113,128,.14)}
.field textarea{min-height:140px;resize:vertical}
.form .btn{width:100%;justify-content:center}
.form-ok{display:none;margin-top:16px;padding:14px 16px;border-radius:13px;background:#eafaf0;color:#1a8348;font-weight:600;font-size:.95rem}
.contact-side .note{padding:30px}
.contact-side .ic{margin-bottom:14px}

/* ---------- Pied de page ---------- */
footer{background:#263132;color:#D7DEDA;padding:64px 0 30px;margin-top:20px}
.foot-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:36px;margin-bottom:42px}
footer .brand{color:#fff}
footer .brand small{color:#A7B3AF}
footer p.fdesc{color:#AEBBB7;font-size:.95rem;margin-top:16px;max-width:34ch}
.fcol h4{font-family:var(--body);font-size:.82rem;letter-spacing:.08em;text-transform:uppercase;color:#98A6A2;margin-bottom:16px}
.fcol a{display:block;color:#C7D0CC;font-size:.94rem;padding:6px 0;transition:color .2s,padding-left .2s}
.fcol a:hover{color:#fff;padding-left:5px}
.fbottom{border-top:1px solid rgba(255,255,255,.1);padding-top:24px;display:flex;justify-content:space-between;flex-wrap:wrap;gap:12px;color:#9AA8A4;font-size:.88rem}
.fbottom a{color:#9AA8A4}.fbottom a:hover{color:#fff}

/* ---------- Reveal animation ---------- */
.reveal{opacity:0;transform:translateY(24px);transition:opacity .7s ease,transform .7s ease}
.reveal.in{opacity:1;transform:none}
.reveal.d1{transition-delay:.08s}.reveal.d2{transition-delay:.16s}.reveal.d3{transition-delay:.24s}.reveal.d4{transition-delay:.32s}

.sec-head{max-width:680px;margin-bottom:48px}
.sec-head.center{margin-left:auto;margin-right:auto}
.sec-head h2{font-size:clamp(1.7rem,4vw,2.5rem);font-weight:800;margin-bottom:14px}
.alt{background:var(--bg-soft)}

/* ---------- Usages pratiques détaillés ---------- */
.use-intro{max-width:820px;margin:0 auto 54px;text-align:center}
.use-detail{display:grid;grid-template-columns:240px 1fr;gap:34px;align-items:start;padding:34px 0;border-top:1px solid var(--line)}
.use-detail:first-child{border-top:0}
.use-side{position:sticky;top:100px}
.use-num{font-family:var(--display);font-size:.78rem;font-weight:800;letter-spacing:.08em;color:var(--blue);text-transform:uppercase}
.use-side h2{font-size:2rem;margin:8px 0 12px}
.use-tagline{font-weight:700;color:var(--blue-600)}
.use-body{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:30px;box-shadow:var(--shadow-sm)}
.use-body p{color:var(--ink-2);margin-bottom:15px}
.use-body p:last-child{margin-bottom:0}
.use-body ul{margin:12px 0 18px 22px;color:var(--ink-2)}
.use-body li{margin:6px 0}
.use-example{background:var(--bg-soft);border-left:4px solid var(--blue);border-radius:0 14px 14px 0;padding:16px 18px;margin:18px 0;color:var(--ink);font-weight:600}
.use-example span{display:block;font-size:.75rem;letter-spacing:.07em;text-transform:uppercase;color:var(--blue);margin-bottom:5px}
.use-warning{background:#fff7ec;border:1px solid #ffe2b8;border-radius:14px;padding:16px 18px;color:#7c5313;margin-top:18px}
@media(max-width:760px){.use-detail{grid-template-columns:1fr;gap:16px}.use-side{position:static}.use-body{padding:22px}.use-side h2{font-size:1.65rem}}

/* ---------- Mobile ---------- */
.mobile-menu{display:none}
@media(max-width:980px){
  .g4{grid-template-columns:repeat(2,1fr)}
  .g3{grid-template-columns:repeat(2,1fr)}
  .contact-grid{grid-template-columns:1fr}
  .foot-grid{grid-template-columns:1fr 1fr}
}
@media(max-width:760px){
  .section{padding:64px 0}
  .menu,.nav-cta .btn-ghost{display:none}
  .burger{display:flex}
  .g2,.g3,.g4,.learn{grid-template-columns:1fr}
  .cta-band{padding:48px 24px}
  .note,.note.lg{padding:28px}
  .foot-grid{grid-template-columns:1fr;gap:28px}
  .hero{padding:80px 0 70px}
  /* Menu mobile déroulant */
  .mobile-menu{
    display:block;position:fixed;inset:74px 0 auto 0;background:var(--card);
    border-bottom:1px solid var(--line);box-shadow:0 24px 50px -20px rgba(22,35,58,.2);
    padding:14px 20px 24px;max-height:0;overflow:hidden;transition:max-height .35s ease;z-index:999;
  }
  .mobile-menu.open{max-height:90vh;overflow:auto}
  .mobile-menu a,.mobile-menu .m-sub a{display:block;padding:13px 8px;font-weight:600;color:var(--ink);border-radius:10px}
  .mobile-menu a:hover{background:var(--bg-soft);color:var(--blue)}
  .mobile-menu .m-sub{padding-left:14px;border-left:2px solid var(--line);margin:4px 0 8px}
  .mobile-menu .m-sub a{font-size:.92rem;color:var(--ink-2);padding:9px 8px}
  .mobile-menu .m-label{font-size:.78rem;letter-spacing:.06em;text-transform:uppercase;color:var(--muted);font-weight:700;padding:10px 8px 4px}
  .mobile-menu .btn{width:100%;justify-content:center;margin-top:12px}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none!important;scroll-behavior:auto}
  .reveal{opacity:1;transform:none;transition:none}
}

/* ---------- Contenus pédagogiques renforcés ---------- */
.pedago-box{background:linear-gradient(135deg,#f8fcff,#e7f3ff);border:1px solid #bdd3e6;border-radius:22px;padding:30px;box-shadow:0 14px 34px -24px rgba(63,88,114,.45)}
.pedago-box h3{font-size:1.35rem;margin-bottom:12px;color:#23405F}
.pedago-box p{color:#33485d;margin-top:10px}
.pedago-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin-top:28px}
.pedago-step{background:rgba(255,255,255,.78);border:1px solid #c8daea;border-radius:18px;padding:22px}
.pedago-step .n{width:36px;height:36px;border-radius:50%;display:grid;place-items:center;background:#4F6D8C;color:#fff;font-weight:800;margin-bottom:13px}
.pedago-step h4{font-size:1.08rem;margin-bottom:8px;color:#23405F}
.pedago-step p{font-size:.95rem;color:#475f75}
.tip-list{display:grid;gap:12px;margin-top:18px}
.tip-row{display:flex;gap:12px;align-items:flex-start;background:#f7fbff;border:1px solid #c8daea;border-radius:14px;padding:14px 16px;color:#33485d}
.tip-row b{color:#23405F}
.beginner-note{margin-top:20px;background:#fff7e8;border:1px solid #efd6a8;border-radius:16px;padding:17px 19px;color:#72541d}
.reading-guide{max-width:900px;margin:0 auto 42px}
.simple-table{width:100%;border-collapse:collapse;margin-top:18px;background:#fff;border-radius:16px;overflow:hidden;border:1px solid #c8daea}
.simple-table th,.simple-table td{padding:14px 16px;text-align:left;border-bottom:1px solid #d8e5ef;vertical-align:top}
.simple-table th{background:#dceeff;color:#23405F}
.simple-table tr:last-child td{border-bottom:none}
@media(max-width:760px){.pedago-grid{grid-template-columns:1fr}.pedago-box{padding:22px}.simple-table{font-size:.92rem}}



/* Thème IA Numeris : bleu ciel pastel + bleu acier */
body{background:linear-gradient(180deg,#EAF4FF 0%,#E4F1FC 100%);}
header{background:rgba(234,244,255,.90);border-bottom-color:#B9D0E2;box-shadow:0 5px 18px rgba(49,82,112,.08);}
.hero{background:linear-gradient(135deg,#EAF4FF 0%,#D7EAFC 55%,#CFE4F7 100%);}
.subhero{background:linear-gradient(135deg,#EAF4FF 0%,#D7EAFC 100%);}
.alt{background:#DCEEFF;}
.card,.tool,.promo,.linkcard,.form,.proof-card,.faq details,.learn-item{background:rgba(249,252,255,.94);border-color:#BCD2E4;}
.note{background:#E1F0FC;border-color:#BCD2E4;}
.btn-primary{background:linear-gradient(135deg,#4F6D8C,#607F9E);box-shadow:0 12px 28px rgba(61,88,114,.24);}
.btn-primary:hover{background:linear-gradient(135deg,#3D5872,#506F8D);}
.btn-ghost{background:rgba(249,252,255,.90);border-color:#ABC5DA;color:#29455F;}
.btn-soft{background:#D4E8F8;color:#3D5872;}
.eyebrow{background:#D4E8F8;color:#3D5872;border:1px solid #BDD4E7;}
.hero h1 .hl,.gradient-text{background:linear-gradient(135deg,#3D5872,#6F8FAF);-webkit-background-clip:text;background-clip:text;color:transparent;}
.aurora{opacity:.42;filter:blur(82px);}
.a1{background:radial-gradient(circle,#B6D9F5,transparent 66%);}
.a2{background:radial-gradient(circle,#C8DDF1,transparent 66%);}
.a3{background:radial-gradient(circle,#B7DFF0,transparent 66%);}
.trust-strip{background:rgba(249,252,255,.72);border-color:#BCD2E4;}
footer{background:#27445F;color:#DCE8F2;}
footer .fcol a,footer p.fdesc{color:#C4D6E4;}
.fbottom{color:#AEC4D5;border-top-color:rgba(255,255,255,.16);}
.news,.cta-band{background:linear-gradient(135deg,#4F6D8C 0%,#6686A6 100%);}
input,textarea{background:#F6FBFF!important;border-color:#B8CFE2!important;}
input:focus,textarea:focus{box-shadow:0 0 0 4px rgba(79,109,140,.18)!important;border-color:#4F6D8C!important;}


.checklist{list-style:none}
.checklist li{display:flex;gap:12px;align-items:flex-start;padding:9px 0;color:var(--ink-2);font-weight:500}
.checklist li svg{width:22px;height:22px;flex:none;margin-top:1px;color:var(--blue)}
.checklist.warn li svg{color:#e0594e}

/* Bandeau confiance */
.trust-strip{border-top:1px solid var(--line);border-bottom:1px solid var(--line);background:#fff}
.trust-grid{display:grid;grid-template-columns:repeat(4,1fr)}
.trust-item{display:flex;align-items:center;gap:13px;padding:24px 22px;border-right:1px solid var(--line)}
.trust-item:last-child{border-right:none}
.trust-item .ti{width:42px;height:42px;border-radius:12px;display:grid;place-items:center;background:var(--bg-soft-2);color:var(--blue);flex:none}
.trust-item .ti svg{width:21px;height:21px}
.trust-item b{font-family:var(--display);font-size:1.02rem;display:block;line-height:1.2}
.trust-item span{font-size:.84rem;color:var(--muted)}
@media(max-width:900px){.trust-grid{grid-template-columns:1fr 1fr}.trust-item:nth-child(2){border-right:none}.trust-item:nth-child(1),.trust-item:nth-child(2){border-bottom:1px solid var(--line)}}
@media(max-width:540px){.trust-grid{grid-template-columns:1fr}.trust-item{border-right:none;border-bottom:1px solid var(--line)}.trust-item:last-child{border-bottom:none}}

/* Preuve / exemple */
.proof-card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow-sm);display:flex;flex-direction:column}
.proof-head{padding:15px 22px;border-bottom:1px solid var(--line);display:flex;align-items:center;gap:10px;font-family:var(--display);font-weight:700;color:var(--ink);background:var(--bg-soft)}
.proof-head .badge{width:30px;height:30px;border-radius:9px;display:grid;place-items:center;background:#e0594e;color:#fff;font-family:var(--display);font-weight:800;font-size:.95rem}
.bubble{margin:16px 22px 0;padding:14px 17px;border-radius:16px;font-size:.95rem;line-height:1.55}
.bubble.you{background:var(--bg-soft-2);border-bottom-left-radius:5px;color:var(--ink)}
.bubble.ai{background:#f3fbf6;border:1px solid #d6f0e0;border-bottom-right-radius:5px;color:var(--ink-2)}
.bubble .who{font-size:.7rem;font-weight:700;letter-spacing:.06em;text-transform:uppercase;color:var(--muted);display:block;margin-bottom:5px}
.proof-tip{margin:14px 22px 20px;font-size:.9rem;color:var(--muted);display:flex;gap:8px;align-items:flex-start}
.proof-tip svg{width:17px;height:17px;color:var(--blue);flex:none;margin-top:2px}

/* Newsletter */
.news{position:relative;overflow:hidden;background:var(--grad);border-radius:28px;padding:56px 40px;color:#fff;box-shadow:var(--shadow);text-align:center}
.news .gl{position:absolute;width:340px;height:340px;border-radius:50%;background:rgba(255,255,255,.15);filter:blur(45px)}
.news .gl1{top:-130px;left:-70px}.news .gl2{bottom:-150px;right:-50px}
.news-inner{position:relative;z-index:2;max-width:620px;margin:0 auto}
.news h2{color:#fff;font-size:clamp(1.7rem,4vw,2.4rem);margin-bottom:12px}
.news p{color:rgba(255,255,255,.92);font-size:1.08rem;margin-bottom:26px}
.news-form{display:flex;gap:10px;max-width:480px;margin:0 auto;flex-wrap:wrap}
.news-form input{flex:1;min-width:210px;font-family:var(--body);font-size:1rem;padding:15px 18px;border-radius:100px;border:none;color:var(--ink)}
.news-form input:focus{outline:3px solid rgba(255,255,255,.55)}
.news-form .btn{background:var(--card);color:var(--blue-600);flex:none}
.news-form .btn:hover{transform:translateY(-2px)}
.news-fine{margin-top:14px;font-size:.84rem;color:rgba(255,255,255,.82)}
.news-ok{display:none;margin-top:16px;font-weight:600;background:rgba(255,255,255,.16);padding:12px 18px;border-radius:14px}

/* FAQ */
.faq{max-width:780px;margin:0 auto}
.faq details{background:var(--card);border:1px solid var(--line);border-radius:16px;margin-bottom:14px;box-shadow:var(--shadow-sm);overflow:hidden}
.faq summary{list-style:none;cursor:pointer;padding:20px 24px;font-family:var(--display);font-weight:700;font-size:1.06rem;display:flex;align-items:center;justify-content:space-between;gap:16px;color:var(--ink)}
.faq summary::-webkit-details-marker{display:none}
.faq summary .pm{width:26px;height:26px;border-radius:8px;background:var(--bg-soft-2);color:var(--blue);display:grid;place-items:center;flex:none;transition:transform .25s;font-size:1.2rem;line-height:1}
.faq details[open] summary .pm{transform:rotate(45deg)}
.faq .ans{padding:0 24px 22px;color:var(--ink-2);font-size:.98rem}

/* Engagement */
.promise{display:grid;grid-template-columns:repeat(2,1fr);gap:22px}
.promise-item{display:flex;gap:14px;align-items:flex-start}
.promise-item .pi{width:42px;height:42px;border-radius:12px;background:var(--grad-cv);color:#fff;display:grid;place-items:center;flex:none}
.promise-item .pi svg{width:21px;height:21px}
.promise-item b{font-family:var(--display);display:block;margin-bottom:3px;font-size:1.05rem}
.promise-item span{font-size:.93rem;color:var(--ink-2)}
@media(max-width:760px){.promise{grid-template-columns:1fr;gap:18px}}

/* Newsletter pied de page */
.foot-news{display:flex;gap:8px;margin-top:14px;flex-wrap:wrap}
.foot-news input{flex:1;min-width:150px;padding:11px 14px;border-radius:10px;border:1px solid rgba(255,255,255,.18);background:rgba(255,255,255,.06);color:#fff;font-family:var(--body)}
.foot-news input::placeholder{color:#9AA8A4}
.foot-news button{padding:11px 16px;border-radius:10px;border:none;background:var(--grad-cv);color:#fff;font-weight:700;cursor:pointer;font-family:var(--body)}
.foot-news button:hover{opacity:.92}
.foot-ok{display:none;color:#8fe3b4;font-size:.85rem;margin-top:8px;font-weight:600}

/* Pages pédagogiques détaillées */
.guide-shell{max-width:900px;margin:0 auto}
.guide-nav{display:flex;gap:10px;flex-wrap:wrap;margin-bottom:26px}
.guide-nav .btn{padding:10px 18px;font-size:.92rem}
.guide-article{background:var(--card);border:1px solid var(--line);border-radius:24px;padding:clamp(24px,5vw,52px);box-shadow:var(--shadow-sm)}
.guide-article h2{font-size:clamp(1.55rem,4vw,2.2rem);margin:34px 0 14px}
.guide-article h2:first-child{margin-top:0}
.guide-article h3{font-size:1.2rem;margin:26px 0 10px}
.guide-article p{color:var(--ink-2);margin:12px 0;line-height:1.75}
.guide-article ul,.guide-article ol{padding-left:22px;margin:14px 0;color:var(--ink-2)}
.guide-article li{margin:8px 0}
.guide-example{background:var(--bg-soft-2);border-left:4px solid var(--blue);border-radius:12px;padding:18px 20px;margin:20px 0;color:var(--ink)}
.guide-example b{display:block;margin-bottom:7px;color:var(--blue-600)}
.guide-warning{background:#fff7ec;border:1px solid #ffe2b8;border-radius:14px;padding:18px 20px;margin:20px 0;color:#795014}
.guide-actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:34px;padding-top:26px;border-top:1px solid var(--line)}
.mini-exercise{background:#f3fbf6;border:1px solid #d6f0e0;border-radius:16px;padding:20px;margin:22px 0}
.mini-exercise h3{color:#18764a;margin-top:0}
.legal-list{display:grid;gap:18px}

/* Multipage static overrides */
.page{display:block!important;animation:none!important}.reveal{opacity:1!important;transform:none!important}.mobile-menu{z-index:1200}
.site-breadcrumb{font-size:.9rem;color:var(--muted);margin-bottom:22px}.site-breadcrumb a{color:var(--blue-600)}
.article{max-width:860px;margin:0 auto}.article h2{font-size:1.7rem;margin:36px 0 14px}.article h3{font-size:1.25rem;margin:26px 0 10px}.article p{margin:0 0 16px;color:var(--ink-2)}
.article ul,.article ol{margin:0 0 20px 24px;color:var(--ink-2)}.article li{margin:7px 0}
.static-grid{display:grid;gap:22px}.static-grid.g3{grid-template-columns:repeat(3,minmax(0,1fr))}.static-grid.g2{grid-template-columns:repeat(2,minmax(0,1fr))}
.guide-card,.tool-static{background:var(--bg);border:1px solid var(--line);border-radius:var(--radius);padding:28px;box-shadow:var(--shadow-sm)}
.guide-card h2,.tool-static h2{font-size:1.25rem;margin-bottom:10px}.guide-card p,.tool-static p{color:var(--ink-2)}
.guide-example,.mini-exercise,.guide-warning{margin:22px 0;padding:18px 20px;border-radius:16px}.guide-example{background:var(--bg-soft-2);border:1px solid var(--line)}.guide-example b{display:block;margin-bottom:8px}.mini-exercise{background:#eef7ff;border:1px solid #cbdff1}.guide-warning{background:#fff5df;border:1px solid #ead19b}
.skip-link{position:absolute;left:-9999px;top:auto}.skip-link:focus{left:16px;top:12px;background:#fff;padding:10px 14px;z-index:2000;border-radius:8px}
@media(max-width:760px){.static-grid.g3,.static-grid.g2{grid-template-columns:1fr}}