/*
 * ip-2026.css — Systeme de design Info Perdu 2026
 * Identite violette Info Perdu conservee (#667eea / #764ba2 / #1a1d3a), ecriture moderne 2026.
 * CMULTIMEDIA — Neurablue — 2026-09-17
 */

:root{
  /* Violets Info Perdu (repris de l'existant) */
  --violet:#6c5ce7;
  --violet-d:#4c39c4;        /* texte sur clair, boutons */
  --violet-l:#8b7bf0;
  --indigo:#1a1d3a;          /* nuit Info Perdu : hero, footer */
  --indigo-2:#2d1b69;
  /* aplats uniquement, aucun degrade */
  --night:#1a1d3a;

  /* Neutres teintes violet */
  --ink:#171432;              /* titres */
  --body:#565175;             /* texte courant */
  --muted:#8c87a8;
  --line:#e9e6f5;             /* filets */
  --bg:#ffffff;
  --wash:#f7f5ff;             /* fonds alternes violet tres pale */
  --card-sh:0 10px 30px rgba(23,20,50,.07);

  --radius:22px;
  --radius-btn:999px;         /* boutons pilule : signature Info Perdu, pas ELA */
  --maxw:1180px;
}

*{box-sizing:border-box;margin:0;padding:0}
@media (prefers-reduced-motion:no-preference){html:focus-within{scroll-behavior:smooth}}
body{font-family:Inter,-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,sans-serif;
  color:var(--ink);background:var(--bg);line-height:1.55;-webkit-font-smoothing:antialiased}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 24px}
h1,h2,h3{letter-spacing:-.025em;line-height:1.12;font-weight:800}
a{text-decoration:none;color:inherit}
img{max-width:100%;display:block}
section{position:relative}

/* ---------- Navigation ---------- */
.nav{position:sticky;top:0;z-index:50;background:rgba(26,29,58,.92);backdrop-filter:blur(14px);
  border-bottom:1px solid rgba(255,255,255,.08)}
.nav-inner{max-width:var(--maxw);margin:0 auto;padding:14px 24px;display:flex;align-items:center;gap:28px}
.brand{display:flex;align-items:center;gap:11px;font-weight:800;letter-spacing:-.01em;font-size:16.5px;color:#fff}
.brand-mark{width:34px;height:34px;border-radius:11px;background:var(--violet);display:grid;place-items:center;color:#fff}
.nav-links{display:flex;gap:24px;margin-left:auto;font-size:14.5px;font-weight:500;color:rgba(255,255,255,.75)}
.nav-links a{position:relative;padding:4px 0}
.nav-links a:hover{color:#fff}
.nav-links a::after{content:"";position:absolute;left:0;right:100%;bottom:0;height:2px;background:var(--violet-l);
  transition:right .25s ease}
.nav-links a:hover::after{right:0}
.nav .btn-primary{padding:10px 20px;font-size:14px}

/* ---------- Boutons ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:9px;font-weight:700;
  border-radius:var(--radius-btn);border:1px solid transparent;cursor:pointer;transition:.2s ease;font-size:15px}
.btn-primary{background:var(--violet);color:#fff;padding:16px 30px}
.btn-primary:hover{background:var(--violet-d)}
.btn-ghost{background:transparent;color:#fff;border-color:rgba(255,255,255,.28);padding:16px 30px}
.btn-ghost:hover{border-color:#fff;background:rgba(255,255,255,.08)}
.btn-outline{background:#fff;color:var(--violet-d);border-color:var(--line);padding:15px 28px}
.btn-outline:hover{border-color:var(--violet-l);box-shadow:var(--card-sh)}
.link-cta{display:inline-flex;align-items:center;gap:8px;font-weight:700;font-size:15px;color:var(--violet-d)}
.link-cta:hover{gap:12px}
.btn-block{width:100%}

/* ---------- Tag (signature Info Perdu : rectangle arrondi, pas de pastille pulsante) ---------- */
.tag{display:inline-flex;align-items:center;gap:8px;font-size:12.5px;font-weight:700;letter-spacing:.04em;
  text-transform:uppercase;color:var(--violet-d);background:rgba(108,92,231,.1);padding:8px 14px;border-radius:9px}
.tag--light{color:#cfc6ff;background:rgba(255,255,255,.1)}

/* ---------- Bandeau d'avertissement ---------- */
.ip-alert{display:flex;gap:13px;align-items:flex-start;background:#fff6e3;border:1px solid #f4d79a;
  border-left:5px solid #e8a33d;border-radius:16px;padding:15px 19px;color:#5b4413;font-size:14.8px;line-height:1.55}
.ip-alert svg{flex:0 0 auto;color:#d08a1e;margin-top:2px}
.ip-alert strong{color:#7a5510}

/* ---------- Hero : nuit violette, asymetrique ---------- */
.hero{background:var(--night);color:#fff;padding:86px 0 96px;overflow:hidden}
.hero-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:56px;align-items:center;position:relative;z-index:1}
.hero h1{font-size:clamp(38px,5.2vw,60px);margin:22px 0 20px;letter-spacing:-.03em}
.hero h1 .grad{color:#a99cff}
.hero p.lead{font-size:clamp(16px,1.6vw,18px);color:rgba(255,255,255,.76);max-width:52ch;margin-bottom:30px}
.hero-actions{display:flex;gap:14px;flex-wrap:wrap;margin-bottom:30px}
.proofs{display:flex;gap:12px;flex-wrap:wrap}
.proofs span{display:inline-flex;align-items:center;gap:8px;font-size:13.5px;color:rgba(255,255,255,.8);
  background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.12);padding:8px 14px;border-radius:999px}
.proofs svg{color:#9f90ff}

/* Carte produit du hero */
.hero-card{background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.14);border-radius:26px;padding:18px;
  backdrop-filter:blur(8px)}
.hero-card img{border-radius:18px;aspect-ratio:1;object-fit:cover}
.hero-card .pricetag{display:flex;align-items:baseline;justify-content:space-between;gap:12px;margin-top:16px;padding:0 6px}
.hero-card .pricetag b{font-size:27px;font-weight:800;letter-spacing:-.03em}
.hero-card .pricetag span{font-size:12.5px;color:rgba(255,255,255,.6)}

/* Bande de chiffres : ligne separee, pas de boite a cellules */
.figures{display:flex;gap:44px;flex-wrap:wrap;justify-content:center;padding:26px 0 0;margin-top:40px;
  border-top:1px solid rgba(255,255,255,.14);position:relative;z-index:1}
.figures div{text-align:center}
.figures b{display:block;font-size:26px;font-weight:800;letter-spacing:-.03em}
.figures small{font-size:12px;letter-spacing:.06em;text-transform:uppercase;color:rgba(255,255,255,.55)}

/* ---------- Sections ---------- */
.sec{padding:84px 0}
.sec.wash{background:var(--wash)}
.head{max-width:60ch;margin-bottom:46px}
.head.center{text-align:center;margin-left:auto;margin-right:auto}
.head h2{font-size:clamp(28px,3.5vw,40px);margin:14px 0 14px}
.head p{color:var(--body);font-size:16.5px}

/* ---------- Cartes ---------- */
.grid2{display:grid;grid-template-columns:repeat(2,1fr);gap:22px}
.grid3{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.grid4{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:28px;transition:.22s ease}
.card:hover{transform:translateY(-4px);box-shadow:var(--card-sh);border-color:#ded7fa}
.card .ico{width:46px;height:46px;border-radius:14px;background:#efecff;display:grid;place-items:center;
  color:var(--violet-d);margin-bottom:18px}
.card h3{font-size:18px;margin-bottom:10px}
.card p{color:var(--body);font-size:14.8px}

/* ---------- Etapes : gros chiffres violets ---------- */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:26px}
.step{border-top:3px solid var(--line);padding-top:20px;transition:.22s ease}
.step:hover{border-top-color:var(--violet)}
.step .n{font-size:34px;font-weight:800;letter-spacing:-.04em;color:var(--violet);margin-bottom:10px}
.step h3{font-size:16.5px;margin-bottom:9px}
.step p{color:var(--body);font-size:14.5px}

/* ---------- Bloc achat ---------- */
.buy{display:grid;grid-template-columns:.95fr 1.05fr;gap:40px;align-items:start;
  border:1px solid var(--line);border-radius:30px;padding:36px;background:#fff;box-shadow:var(--card-sh)}
.buy-media{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.buy-media figure{margin:0}
.buy-media img{border-radius:18px;aspect-ratio:4/5;object-fit:cover}
.buy-media{position:sticky;top:104px}
.buy-media figcaption{font-size:12px;color:var(--muted);margin-top:9px;text-align:center;font-weight:700;
  letter-spacing:.03em;text-transform:uppercase}
.price{font-size:44px;font-weight:800;letter-spacing:-.04em;margin:12px 0 4px;color:var(--violet-d)}
.price small{font-size:15px;font-weight:700;color:var(--muted);letter-spacing:0}
.price-note{font-size:13.5px;color:var(--muted);margin-bottom:22px}
.incl{list-style:none;margin:0 0 24px;display:grid;gap:11px}
.incl li{display:flex;gap:11px;align-items:flex-start;font-size:14.8px;color:var(--body)}
.incl svg{flex:0 0 auto;color:var(--violet);margin-top:3px}
.opts{border-top:1px dashed var(--line);padding-top:20px;margin-bottom:22px}
.opts h4{font-size:12px;text-transform:uppercase;letter-spacing:.07em;color:var(--violet-d);margin-bottom:13px}
.opts ul{list-style:none;display:grid;gap:9px}
.opts li{display:flex;justify-content:space-between;font-size:14px;color:var(--body);gap:14px}
.opts b{font-weight:700;color:var(--ink);white-space:nowrap}

/* ---------- Specs ---------- */
.spec{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:26px}
.spec h3{font-size:15.5px;margin-bottom:15px;color:var(--violet-d)}
.spec ul{list-style:none;display:grid;gap:10px}
.spec li{font-size:14px;color:var(--body);display:flex;gap:10px;align-items:flex-start}
.spec li::before{content:"";width:6px;height:6px;border-radius:2px;background:var(--violet);margin-top:8px;flex:0 0 auto}

/* ---------- Bandeau final ---------- */
.dark{background:var(--night);color:#fff;border-radius:30px;padding:56px 44px;text-align:center;overflow:hidden;
  position:relative}
.dark h2{font-size:clamp(26px,3.4vw,36px);margin-bottom:15px;position:relative;z-index:1}
.dark p{color:rgba(255,255,255,.74);max-width:56ch;margin:0 auto 28px;font-size:16px;position:relative;z-index:1}
.dark .btn-primary{position:relative;z-index:1}

/* ---------- Split ---------- */
.split{display:grid;grid-template-columns:1fr 1fr;gap:44px;align-items:center}
.split img{border-radius:var(--radius)}
.split h2{font-size:clamp(25px,3.2vw,34px);margin:16px 0 15px}
.split p{color:var(--body);margin-bottom:20px;font-size:15.5px}
.frame{border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;box-shadow:var(--card-sh)}

/* ---------- Cadre telephone ---------- */
.phone{position:relative;width:100%;max-width:290px;margin:0 auto;padding:11px;background:var(--night);
  border-radius:40px;box-shadow:0 18px 44px rgba(23,20,50,.22)}
.phone::before{content:"";position:absolute;top:20px;left:50%;transform:translateX(-50%);
  width:84px;height:5px;border-radius:5px;background:rgba(255,255,255,.22);z-index:2}
.phone-screen{width:100%;aspect-ratio:9/16;object-fit:cover;border-radius:30px;display:block;background:var(--wash)}

/* ---------- Footer ---------- */
.footer{background:var(--night);color:rgba(255,255,255,.72);padding:58px 0 30px}
.footer-inner{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:34px}
.footer h4{font-size:12px;text-transform:uppercase;letter-spacing:.08em;color:#fff;margin-bottom:16px}
.footer a{font-size:14.2px;display:block;margin-bottom:10px}
.footer a:hover{color:#fff}
.footer-about p{font-size:14.2px;max-width:36ch;margin-top:14px}
.footer-bottom{border-top:1px solid rgba(255,255,255,.12);margin-top:38px;padding-top:22px;
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;font-size:13px;color:rgba(255,255,255,.5)}

/* ---------- Reveal ---------- */
.reveal{opacity:0;transform:translateY(18px);transition:opacity .6s ease,transform .6s ease}
.reveal.in{opacity:1;transform:none}

/* ---------- Responsive ---------- */
@media (max-width:980px){
  .hero-grid,.buy,.split{grid-template-columns:1fr}
  .grid3,.grid4,.steps{grid-template-columns:repeat(2,1fr)}
  .footer-inner{grid-template-columns:1fr 1fr}
  .hero-card{max-width:420px}
}
@media (max-width:640px){
  .nav-links{display:none}
  .hero{padding:56px 0 64px}
  .grid2,.grid3,.grid4,.steps{grid-template-columns:1fr}
  .sec{padding:60px 0}
  .dark{padding:40px 24px}
  .figures{gap:26px;justify-content:flex-start}
  .hero-actions{flex-direction:column}
  .hero-actions .btn{width:100%}
  .footer-inner{grid-template-columns:1fr}
  .buy{padding:24px}
}

/* ---------- Menu mobile ---------- */
.nav-toggle{display:none;background:none;border:1px solid rgba(255,255,255,.22);border-radius:11px;
  padding:9px 10px;cursor:pointer;color:#fff;line-height:0}
.nav-toggle:hover{border-color:rgba(255,255,255,.45)}
.nav-mobile{display:none;background:var(--night);border-top:1px solid rgba(255,255,255,.1);
  padding:10px 24px 20px}
.nav-mobile.open{display:block}
.nav-mobile a{display:block;padding:13px 2px;font-size:16px;font-weight:600;color:rgba(255,255,255,.82);
  border-bottom:1px solid rgba(255,255,255,.08)}
.nav-mobile a:last-of-type{border-bottom:0}
.nav-mobile .btn{margin-top:14px;width:100%}

@media (max-width:860px){
  .nav-links{display:none}
  .nav-toggle{display:inline-flex;margin-left:auto}
  .nav .btn-primary{display:none}
  .nav-inner{gap:14px}
}

/* ---------- Hero des pages interieures ---------- */
.page-hero{background:var(--night);color:#fff;padding:62px 0 58px;text-align:center}
.page-hero h1{font-size:clamp(31px,4.4vw,48px);margin:18px 0 16px}
.page-hero p{color:rgba(255,255,255,.72);max-width:60ch;margin:0 auto;font-size:16.5px}

/* ---------- Filtres ---------- */
.filtres{display:flex;gap:10px;flex-wrap:wrap;justify-content:center;margin-bottom:38px}
.filtre{font:inherit;font-size:14px;font-weight:600;color:var(--body);background:#fff;cursor:pointer;
  border:1px solid var(--line);border-radius:999px;padding:10px 17px;transition:.18s ease}
.filtre:hover{border-color:var(--violet-l);color:var(--violet-d)}
.filtre.actif{background:var(--violet);border-color:var(--violet);color:#fff}
.filtre span{opacity:.6;margin-left:5px;font-weight:700}

/* ---------- Accordeon FAQ ---------- */
.faq-liste{max-width:820px;margin:0 auto;display:grid;gap:12px}
.faq-item{border:1px solid var(--line);border-radius:16px;background:#fff;overflow:hidden;transition:.2s ease}
.faq-item:hover{border-color:#ded7fa}
.faq-item.open{border-color:var(--violet-l);box-shadow:var(--card-sh)}
.faq-q{width:100%;display:flex;align-items:center;justify-content:space-between;gap:18px;text-align:left;
  font:inherit;font-size:16px;font-weight:700;color:var(--ink);background:none;border:0;cursor:pointer;
  padding:20px 22px;line-height:1.35}
.faq-q svg{flex:0 0 auto;color:var(--violet);transition:transform .22s ease}
.faq-item.open .faq-q svg{transform:rotate(180deg)}
.faq-a{display:none;padding:0 22px 22px;color:var(--body);font-size:15px;line-height:1.65}
.faq-item.open .faq-a{display:block}
.faq-a p{margin-bottom:12px}
.faq-a p:last-child{margin-bottom:0}
.faq-a ul,.faq-a ol{margin:0 0 12px 20px;display:grid;gap:7px}
.faq-a li{font-size:14.8px}
.faq-a strong{color:var(--ink)}
.faq-a a{color:var(--violet-d);font-weight:600;text-decoration:underline}
.faq-vide{text-align:center;color:var(--muted);padding:30px 0}

/* ---------- Contenu editorial (mentions, confidentialite) ---------- */
.prose{max-width:780px;margin:0 auto;color:var(--body);font-size:15.5px;line-height:1.7}
.prose h2{font-size:24px;color:var(--ink);margin:38px 0 14px}
.prose h3{font-size:18px;color:var(--ink);margin:26px 0 10px}
.prose p{margin-bottom:14px}
.prose ul,.prose ol{margin:0 0 16px 22px;display:grid;gap:8px}
.prose a{color:var(--violet-d);font-weight:600;text-decoration:underline}
.prose strong{color:var(--ink)}
.prose table{width:100%;border-collapse:collapse;margin:0 0 18px}
.prose th,.prose td{border:1px solid var(--line);padding:10px 12px;text-align:left;font-size:14.5px}
.prose th{background:var(--wash);color:var(--ink);font-weight:700}
.prose .encadre{background:var(--wash);border:1px solid var(--line);border-radius:16px;padding:20px 22px;margin:0 0 20px}

@media (max-width:640px){
  .page-hero{padding:44px 0 42px}
  .faq-q{font-size:15px;padding:17px 18px}
}

/* ---------- Numero d'etape dans une carte ---------- */
.card .step-n{font-size:13px;font-weight:800;letter-spacing:.08em;color:var(--violet);margin-bottom:10px}

/* ---------- Formulaires ---------- */
.form-group{margin-bottom:18px}
.form-group label{display:block;font-size:14px;font-weight:700;color:var(--ink);margin-bottom:8px}
.form-group .required{color:#d63c6a}
.form-group input,.form-group select,.form-group textarea{width:100%;font:inherit;font-size:15px;
  color:var(--ink);background:#fff;border:1px solid var(--line);border-radius:13px;padding:13px 15px;
  transition:.18s ease}
.form-group input:focus,.form-group select:focus,.form-group textarea:focus{outline:none;
  border-color:var(--violet);box-shadow:0 0 0 3px rgba(108,92,231,.14)}
.form-group textarea{min-height:150px;resize:vertical}
.form-help{font-size:12.5px;color:var(--muted);margin-top:7px}
.btn-submit{width:100%;font:inherit;font-size:15px;font-weight:700;color:#fff;background:var(--violet);
  border:0;border-radius:999px;padding:16px 26px;cursor:pointer;transition:.2s ease}
.btn-submit:hover{background:var(--violet-d)}
.btn-submit:disabled{opacity:.6;cursor:not-allowed}
.form-alert{border-radius:14px;padding:14px 18px;margin-bottom:18px;font-size:14.5px}
.form-alert--ok{background:#e9f8ef;border:1px solid #a8dfc0;color:#1c6b3f}
.form-alert--ko{background:#fdecef;border:1px solid #f2b9c6;color:#96203c}

/* ---------- Zone du bandeau d'avertissement (continuite avec la nav sombre) ---------- */
.bandeau-zone{background:var(--night);padding:24px 0 26px}
@media (max-width:640px){.bandeau-zone{padding:18px 0 20px}}