/* ==========================================================================
   Impulse IA — feuille de style, conforme à la référence de style.
   Sora pour la structure, Manrope pour le texte courant.
   Aucune media query : clamp(), flex-wrap et grilles auto-fit.
   ========================================================================== */

:root{
  --bleu:#3b74ff;
  --cyan:#2ad4ee;
  --violet:#8b5cf6;
  --magenta:#e355e6;
  --nuit:#0b0e2a;
  --fond:#f6f7fb;
  --blanc:#fff;

  --txt-titre:#0b0e2a;
  --txt:#4c5478;
  --txt-carte:#5a627f;
  --txt-discret:#8089a8;
  --txt-accent:#3f4bc4;
  --bord:#e4e7f0;
  --bord-clair:#eceffa;

  --grad2:linear-gradient(90deg,var(--bleu),var(--violet));
  --grad4:linear-gradient(90deg,var(--bleu),var(--cyan),var(--violet),var(--magenta));

  --sora:'Sora',sans-serif;
  --manrope:'Manrope',sans-serif;
}

*{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{margin:0;background:var(--fond);color:var(--txt-titre);font-family:var(--manrope);font-size:16px;line-height:1.65;-webkit-font-smoothing:antialiased;overflow-x:hidden}
img{max-width:100%;display:block}
a{color:var(--bleu);text-decoration:none}
a:hover{color:var(--violet)}

.wrap{max-width:1160px;margin:0 auto;padding:0 24px;position:relative;z-index:2}
.sec{padding:clamp(56px,7vw,96px) 0;position:relative}
.sec--fond{background:var(--fond)}

h1{margin:0;font:800 clamp(25px,4vw,46px)/1.16 var(--sora);letter-spacing:-.02em;text-wrap:balance;color:var(--txt-titre)}
h2{margin:0;font:700 clamp(26px,3.4vw,40px)/1.15 var(--sora);letter-spacing:-.02em;text-wrap:balance;color:var(--txt-titre)}
h3{margin:0;font:700 18px/1.3 var(--sora);color:var(--txt-titre)}
p{margin:0}

.label{font:600 12px/1 var(--sora);letter-spacing:.16em;text-transform:uppercase;color:var(--txt-discret)}
.num{font:800 13px/1 var(--sora);background:var(--grad2);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}
.mot-cle{background:var(--grad4);background-size:200% auto;-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent;animation:sheen 6s linear infinite}

/* ---- animations, toutes lentes et en boucle ---- */
@keyframes floatA{0%,100%{transform:translate(0,0)}50%{transform:translate(30px,40px)}}
@keyframes floatB{0%,100%{transform:translate(0,0)}50%{transform:translate(-34px,28px)}}
@keyframes floatC{0%,100%{transform:translate(0,0)}50%{transform:translate(22px,-32px)}}
@keyframes driftX{0%{transform:translateX(0)}100%{transform:translateX(-48px)}}
@keyframes dashPulse{0%{stroke-dashoffset:720}100%{stroke-dashoffset:0}}
@keyframes sheen{0%{background-position:0% 50%}100%{background-position:200% 50%}}

.halo{position:absolute;border-radius:50%;pointer-events:none}
svg.onde{position:absolute;inset:0;width:120%;height:100%;opacity:.5;animation:driftX 14s linear infinite alternate;pointer-events:none}

[data-reveal]{opacity:0;transform:translateY(24px);transition:opacity .7s cubic-bezier(.22,1,.36,1),transform .7s cubic-bezier(.22,1,.36,1)}
[data-reveal].is-visible{opacity:1;transform:none}

/* ---- boutons ---- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:10px;border:none;cursor:pointer;font-family:var(--sora);text-decoration:none;transition:transform .25s,box-shadow .25s,border-color .2s,color .2s}
.btn .fl{font-size:19px;line-height:1}
.btn--primaire{padding:18px 30px;border-radius:15px;font:700 17px/1 var(--sora);color:#fff;background:var(--grad2);box-shadow:0 16px 34px -10px rgba(59,116,255,.6)}
.btn--primaire:hover{transform:translateY(-2px);box-shadow:0 22px 46px -10px rgba(139,92,246,.7);color:#fff}
.btn--conversion{padding:19px 34px;border-radius:15px;font:700 18px/1 var(--sora);color:#05061a;background:var(--grad4);box-shadow:0 16px 40px -12px rgba(139,92,246,.7)}
.btn--conversion:hover{transform:translateY(-2px);color:#05061a}
.btn--nav{padding:11px 20px;border-radius:11px;font:700 14px/1 var(--sora);color:#fff;background:var(--grad2);box-shadow:0 10px 24px -10px rgba(59,116,255,.6)}
.btn--nav:hover{transform:translateY(-1px);color:#fff}
.btn--nav .fl{font-size:16px}
.btn--contour{padding:12px 20px;border:1px solid rgba(255,255,255,.28);border-radius:11px;font:600 14px/1 var(--sora);color:#cfd6ff;background:transparent}
.btn--contour:hover{border-color:var(--cyan);color:#fff}
.btn--contour .fl{font-size:15px}

/* ---- navigation ---- */
.nav{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.82);backdrop-filter:blur(12px);border-bottom:1px solid var(--bord-clair)}
.nav__in{max-width:1160px;margin:0 auto;padding:14px 24px;display:flex;align-items:center;gap:16px;flex-wrap:wrap}
.marque{display:flex;align-items:center;gap:11px;text-decoration:none}
.marque img{width:38px;height:38px;border-radius:10px;object-fit:cover}
.marque span{font:800 17px/1 var(--sora);color:var(--txt-titre)}
.marque span i{font-style:normal;color:var(--bleu)}
.nav__liens{display:flex;align-items:center;gap:26px;margin-left:auto;flex-wrap:wrap}
.nav__lien{font:500 14px/1 var(--manrope);color:var(--txt);text-decoration:none}
.nav__lien:hover{color:var(--txt-titre)}

/* ---- hero ---- */
.hero{position:relative;overflow:hidden;background:linear-gradient(180deg,#fff 0%,var(--fond) 100%);border-bottom:1px solid var(--bord-clair)}
.hero__in{max-width:1160px;margin:0 auto;padding:clamp(52px,6.5vw,84px) 24px clamp(56px,7vw,92px);position:relative;z-index:2;display:flex;flex-wrap:wrap;gap:clamp(32px,4vw,64px);align-items:center}
.hero__txt{flex:2 1 440px;min-width:300px}
.hero__vis{flex:1 1 240px;max-width:320px;margin-inline:auto}
.titre-lignes{display:flex;flex-direction:column}
.hero__accroche{margin:20px 0 0;font-size:19px;line-height:1.6;color:var(--txt);max-width:46ch}
.hero__actions{margin-top:28px;display:flex;flex-wrap:wrap;gap:14px;align-items:center}
.hero__note{margin:14px 0 0;font-size:14px;line-height:1.6;color:var(--txt-discret)}

.portrait{width:clamp(150px,16vw,200px);aspect-ratio:1/1;border-radius:50%;overflow:hidden;border:4px solid #fff;box-shadow:0 22px 46px -16px rgba(11,14,42,.4);margin-inline:auto}
.portrait img{width:100%;height:100%;object-fit:cover;object-position:50% 18%}
.portrait--hero{width:clamp(180px,20vw,260px)}
.signature{margin-top:16px;text-align:center}
.signature b{display:block;font:700 16px/1.3 var(--sora);color:var(--txt-titre)}
.signature span{font-size:13.5px;color:var(--txt-discret)}

.impulsion{width:100%;max-width:280px;height:34px;margin:18px auto 0;overflow:visible;display:block}
.impulsion polyline{fill:none;stroke:url(#gradOnde);stroke-width:2.5;stroke-linejoin:round;stroke-linecap:round;stroke-dasharray:720;animation:dashPulse 3.5s ease-in-out infinite alternate;filter:drop-shadow(0 0 5px rgba(59,116,255,.45))}

/* ---- cartes ---- */
.grille{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,280px),1fr));gap:16px;align-items:stretch}
.grille--4{grid-template-columns:repeat(auto-fit,minmax(min(100%,420px),1fr))}
.carte{border:1px solid var(--bord);border-radius:18px;padding:26px;background:#fff;box-shadow:0 14px 34px -22px rgba(11,14,42,.35)}
.carte h3{margin-bottom:8px}
.carte p{font-size:14.5px;line-height:1.6;color:var(--txt-carte)}
.carte .num{display:block;margin-bottom:12px}

.intro{margin:8px 0 28px;font-size:16px;line-height:1.65;color:var(--txt-carte);max-width:60ch}

/* ---- bloc de conversion ---- */
.conv{position:relative;overflow:hidden;border-radius:28px;padding:clamp(34px,5vw,60px) clamp(26px,4vw,56px);background:linear-gradient(160deg,#101440,#241056);border:1px solid rgba(139,92,246,.4);box-shadow:0 40px 80px -30px rgba(37,16,86,.6)}
.conv__in{position:relative;z-index:2;display:flex;flex-wrap:wrap;gap:clamp(28px,4vw,56px);align-items:center}
.conv__txt{flex:2 1 420px;min-width:290px}
.conv__cta{flex:1 1 240px;min-width:240px}
.conv .label{color:#8fe6f5;margin-bottom:12px;display:block}
.conv h2{color:#fff;margin-bottom:20px}
.conv h2 em{font-style:normal;color:var(--cyan)}
.etapes{display:flex;flex-direction:column;gap:14px;margin:0;padding:0;list-style:none}
.etapes li{display:flex;gap:14px;align-items:flex-start;font-size:16px;line-height:1.5;color:#eef1ff}
.pastille{flex:none;display:inline-flex;align-items:center;justify-content:center;width:28px;height:28px;border-radius:50%;color:#05061a;font:800 15px/1 var(--sora)}
.p1{background:linear-gradient(135deg,#3b74ff,#2ad4ee)}
.p2{background:linear-gradient(135deg,#2ad4ee,#8b5cf6)}
.p3{background:linear-gradient(135deg,#8b5cf6,#e355e6)}
.conv__note{margin:16px 0 0;font-size:13.5px;line-height:1.6;color:#9aa3c7}

/* ---- questions ---- */
.q{border:1px solid var(--bord);border-radius:16px;background:#fff;margin-bottom:10px;overflow:hidden}
.q__t{width:100%;display:flex;align-items:flex-start;justify-content:space-between;gap:16px;background:none;border:0;cursor:pointer;text-align:left;padding:18px 22px;font:700 16px/1.35 var(--sora);color:var(--txt-titre)}
.q__t:hover{color:var(--txt-accent)}
.q__s{flex:none;width:24px;height:24px;border-radius:50%;background:var(--grad2);position:relative;margin-top:2px}
.q__s::before,.q__s::after{content:"";position:absolute;background:#fff;left:50%;top:50%;border-radius:2px;transition:transform .3s}
.q__s::before{width:10px;height:2px;transform:translate(-50%,-50%)}
.q__s::after{width:2px;height:10px;transform:translate(-50%,-50%)}
.q.ouvert .q__s::after{transform:translate(-50%,-50%) rotate(90deg)}
.q__r{max-height:0;overflow:hidden;transition:max-height .4s cubic-bezier(.22,1,.36,1)}
.q__r p{padding:0 22px 20px;font-size:14.5px;line-height:1.65;color:var(--txt-carte);max-width:70ch}

/* ---- pied ---- */
.pied{background:var(--nuit);color:#fff}
.pied__in{max-width:1160px;margin:0 auto;padding:40px 24px;display:flex;flex-wrap:wrap;gap:16px;align-items:center}
.pied a{color:#8b93bd}
.pied a:hover{color:#fff}
.pied__d{margin-left:auto;display:flex;gap:20px;flex-wrap:wrap;font-size:13px;color:#8b93bd;align-items:center}

/* ---- page document ---- */
.doc{max-width:74ch;margin:0 auto;padding:clamp(48px,6vw,80px) 24px}
.doc h1{margin-bottom:24px}
.doc h2{font:700 20px/1.3 var(--sora);margin:32px 0 10px}
.doc p{font-size:16px;line-height:1.7;color:var(--txt);margin-bottom:12px}

/* ---- bandeau cookies ---- */
#rgpd{display:none;position:fixed;left:20px;bottom:20px;z-index:900;max-width:390px;background:rgba(11,14,42,.96);backdrop-filter:blur(10px);border:1px solid rgba(255,255,255,.12);border-radius:16px;padding:18px 20px;box-shadow:0 20px 50px -18px rgba(0,0,0,.6)}
#rgpd p{margin:0 0 14px;font-size:13px;line-height:1.55;color:#c3c9ec}
#rgpd .r{display:flex;gap:10px}
#rgpd button{flex:1;padding:11px 14px;border-radius:10px;cursor:pointer;font:600 13px/1 var(--sora)}
#rgpd-accept{border:none;color:#05061a;background:linear-gradient(90deg,#2ad4ee,#8b5cf6)}
#rgpd-refuse{border:1px solid rgba(255,255,255,.16);color:#cfd6ff;background:transparent}

@media (prefers-reduced-motion:reduce){
  *{animation-duration:.001ms!important;animation-iteration-count:1!important;transition-duration:.001ms!important}
  html{scroll-behavior:auto}
  [data-reveal]{opacity:1;transform:none}
}

/* ---- pourquoi moi ---- */
.raisons{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,260px),1fr));gap:clamp(20px,3vw,36px);align-items:start}
.raison{position:relative;padding-top:18px;border-top:2px solid transparent;border-image:linear-gradient(90deg,var(--bleu),var(--violet)) 1}
.raison b{display:block;font:700 17px/1.35 var(--sora);color:var(--txt-titre);margin-bottom:8px}
.raison p{font-size:14.5px;line-height:1.6;color:var(--txt-carte)}

/* ---- réactions au survol ----
   Deux signaux : la carte se soulève avec une ombre colorée, et un filet
   dégradé se déploie en haut. Rien ne bouge pour qui a réduit les animations. */
.carte{position:relative;overflow:hidden;transition:transform .3s cubic-bezier(.22,1,.36,1),box-shadow .3s,border-color .3s}
.carte::after{
  content:"";position:absolute;left:0;top:0;height:3px;width:0;
  background:var(--grad2);transition:width .45s cubic-bezier(.22,1,.36,1);
}
.carte:hover,.carte:focus-within{
  transform:translateY(-5px);
  border-color:rgba(59,116,255,.28);
  box-shadow:0 26px 50px -24px rgba(59,116,255,.45);
}
.carte:hover::after,.carte:focus-within::after{width:100%}

.raison{transition:transform .3s cubic-bezier(.22,1,.36,1)}
.raison b{transition:color .3s}
.raison:hover{transform:translateY(-3px)}
.raison:hover b{color:var(--txt-accent)}

.q{transition:transform .25s cubic-bezier(.22,1,.36,1),box-shadow .25s,border-color .25s}
.q:hover{transform:translateY(-2px);border-color:rgba(59,116,255,.28);box-shadow:0 16px 34px -22px rgba(59,116,255,.5)}
.q.ouvert{border-color:rgba(139,92,246,.35);box-shadow:0 18px 40px -26px rgba(139,92,246,.5)}

/* le portrait respire lui aussi */
.portrait{transition:transform .4s cubic-bezier(.22,1,.36,1),box-shadow .4s}
.portrait:hover{transform:translateY(-4px) scale(1.02);box-shadow:0 30px 56px -18px rgba(11,14,42,.45)}

/* accessibilité clavier : même repère visuel que le survol */
a:focus-visible,button:focus-visible{outline:2px solid var(--bleu);outline-offset:3px;border-radius:6px}

@media (prefers-reduced-motion:reduce){
  .carte:hover,.raison:hover,.q:hover,.portrait:hover{transform:none}
  .carte::after{transition:none}
}

/* ---- assistant ---- */
.iabtn{
  position:fixed;right:20px;bottom:20px;z-index:800;
  display:flex;align-items:center;gap:10px;border:none;cursor:pointer;
  padding:14px 20px;border-radius:100px;font:700 14px/1 var(--sora);color:#fff;
  background:var(--grad2);box-shadow:0 14px 34px -12px rgba(59,116,255,.7);
  transition:transform .25s,box-shadow .25s;
}
.iabtn:hover{transform:translateY(-2px);box-shadow:0 20px 44px -12px rgba(139,92,246,.8)}
.iabtn .pt{width:8px;height:8px;border-radius:50%;background:#2ad4ee;box-shadow:0 0 10px #2ad4ee;animation:pulse 2.2s ease-in-out infinite}
.iafen{
  position:fixed;right:20px;bottom:88px;z-index:800;width:min(380px,calc(100vw - 40px));
  display:none;flex-direction:column;overflow:hidden;border-radius:20px;background:#fff;
  border:1px solid var(--bord);box-shadow:0 40px 90px -30px rgba(11,14,42,.5);
  max-height:min(560px,calc(100vh - 120px));
}
.iafen.ouvert{display:flex}
.iatete{display:flex;align-items:center;gap:10px;padding:16px 18px;background:linear-gradient(160deg,#101440,#241056);color:#fff}
/* avatar de Pulse : mascotte détourée, halo, flottement, salut et clin d'oeil */
.iavatar{position:relative;width:72px;height:65px;flex:none;display:flex;align-items:center;justify-content:center;
  animation:iaFlotte 4s ease-in-out infinite}
.iavatar__corps{position:relative;z-index:2;display:block;width:72px;height:65px;
  transform-origin:46% 88%;animation:iaSalut 5.4s ease-in-out infinite}
.iavatar__img{position:absolute;inset:0;width:100%;height:100%;object-fit:contain;
  filter:drop-shadow(0 0 5px rgba(0,220,255,.55)) drop-shadow(0 0 13px rgba(130,70,255,.32))}
.iavatar__yeux{position:absolute;left:41.5%;top:26.4%;width:27.5%;height:15.2%;object-fit:fill;
  opacity:0;animation:iaClin 6.5s ease-in-out infinite}
.iavatar__halo{position:absolute;inset:6px;border-radius:50%;
  background:radial-gradient(circle,rgba(0,220,255,.38) 0%,rgba(90,70,255,.2) 45%,transparent 72%);
  filter:blur(8px);animation:iaHalo 2.8s ease-in-out infinite}
.iatete b{display:flex;align-items:center;gap:7px}
.iaenligne{width:7px;height:7px;border-radius:50%;background:#31e5d1;
  box-shadow:0 0 5px rgba(49,229,209,.8),0 0 10px rgba(49,229,209,.45);
  animation:iaEnLigne 2s ease-in-out infinite}
@keyframes iaFlotte{0%,100%{transform:translateY(0)}50%{transform:translateY(-5px)}}
@keyframes iaSalut{0%,100%{transform:rotate(-4deg)}28%{transform:rotate(3.5deg)}52%{transform:rotate(-1.5deg)}76%{transform:rotate(4.5deg)}}
@keyframes iaClin{0%,76%{opacity:0}78%,81%{opacity:1}83%,88%{opacity:0}90%,93%{opacity:1}95%,100%{opacity:0}}
@keyframes iaHalo{0%,100%{opacity:.5;transform:scale(.88)}50%{opacity:1;transform:scale(1.14)}}
@keyframes iaEnLigne{0%,100%{opacity:.65;transform:scale(.9)}50%{opacity:1;transform:scale(1.15)}}
.iatete b{font:700 16px/1.2 var(--sora)}
.iatete span{display:block;font-size:12px;color:#9aa3c7}
.iatete button{margin-left:auto;background:none;border:0;color:#9aa3c7;font-size:20px;line-height:1;cursor:pointer;padding:4px}
.iatete button:hover{color:#fff}
.iacorps{flex:1;overflow-y:auto;padding:16px;display:flex;flex-direction:column;gap:10px;background:var(--fond)}
.iamsg{max-width:85%;padding:10px 14px;border-radius:14px;font-size:14px;line-height:1.55}
.iamsg--bot{background:#fff;border:1px solid var(--bord);color:var(--txt);border-bottom-left-radius:4px;align-self:flex-start}
.iamsg--moi{background:var(--grad2);color:#fff;border-bottom-right-radius:4px;align-self:flex-end}
.iamsg--bot a{color:var(--bleu);font-weight:600}
.iasugg{display:flex;flex-wrap:wrap;gap:8px;padding:0 16px 10px;background:var(--fond)}
.iasugg button{
  border:1px solid var(--bord);background:#fff;border-radius:100px;cursor:pointer;
  padding:8px 12px;font:500 12.5px/1.3 var(--manrope);color:var(--txt);
  transition:border-color .2s,color .2s;text-align:left;
}
.iasugg button:hover{border-color:var(--bleu);color:var(--txt-titre)}
.iasaisie{display:flex;gap:8px;padding:12px;border-top:1px solid var(--bord);background:#fff}
.iasaisie input{
  flex:1;border:1px solid var(--bord);border-radius:12px;padding:11px 14px;
  font:400 14px/1.4 var(--manrope);color:var(--txt-titre);outline:none;
}
.iasaisie input:focus{border-color:var(--bleu)}
.iasaisie button{
  border:none;border-radius:12px;padding:0 16px;cursor:pointer;
  font:700 14px/1 var(--sora);color:#fff;background:var(--grad2);
}
.iasaisie button:disabled{opacity:.5;cursor:default}
.ianote{padding:0 14px 10px;font-size:10.5px;line-height:1.45;color:var(--txt-discret);background:#fff;text-align:center}
.iapense{display:inline-flex;gap:4px;align-items:center}
.iapense i{width:6px;height:6px;border-radius:50%;background:var(--violet);animation:pulse 1s ease-in-out infinite}
.iapense i:nth-child(2){animation-delay:.2s}
.iapense i:nth-child(3){animation-delay:.4s}