/* ===== IBANOVA — design tokens ===== */
:root{
  --navy:#170b43;
  --indigo:#4a1b96;
  --violet:#6a3bd1;
  --violet-light:#9d7aff;
  --cyan:#27dfff;
  --blue:#126fe8;
  --ink:#181229;
  --muted:#6c6784;
  --line:#e6e1f5;
  --bg:#faf9ff;
  --white:#fff;
  --shadow:0 14px 34px rgba(40,15,90,.10);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:Inter,Segoe UI,Arial,sans-serif;color:var(--ink);background:var(--white)}
img{max-width:100%;display:block}
a{color:inherit}
.wrap{width:min(100% - 40px,1180px);margin:0 auto}
h1,h2,h3,h4{margin:0;font-weight:850;letter-spacing:-.01em}
p{margin:0}
.progress{position:fixed;top:0;left:0;height:3px;background:linear-gradient(90deg,var(--cyan),var(--violet));width:0;z-index:1000;transition:width .1s linear}

/* Topbar + header */
.topbar{background:var(--navy);color:#cdd3ff;font-size:11px;letter-spacing:.06em;padding:7px 0}
.topbar .wrap{display:flex;justify-content:space-between;align-items:center}
.header{position:sticky;top:0;z-index:900;background:rgba(255,255,255,.94);backdrop-filter:blur(16px);border-bottom:1px solid var(--line)}
.header .wrap{display:flex;align-items:center;justify-content:space-between;padding:14px 0}
.brand{display:flex;align-items:center;min-width:0}
.brand img{width:190px;height:auto;object-fit:contain}
nav{display:flex;align-items:center;gap:26px}
nav a{text-decoration:none;color:var(--ink);font-weight:650;font-size:14.5px}
nav a:hover{color:var(--violet)}
.menu{display:none;background:none;border:0;font-size:26px;cursor:pointer;color:var(--ink)}
.btn{border:0;border-radius:12px;padding:13px 20px;font-weight:750;text-decoration:none;cursor:pointer;display:inline-flex;align-items:center;justify-content:center;gap:10px;font-family:inherit;font-size:14.5px}
.btn-primary{color:#fff;background:linear-gradient(135deg,#6a3bd1,#9d7aff);box-shadow:0 14px 30px rgba(106,59,209,.28)}
.btn-primary:hover{filter:brightness(1.06)}
.btn-ghost{background:#fff;border:1px solid var(--line);color:var(--ink)}
.btn-ghost:hover{border-color:var(--violet-light)}
.btn-lg{padding:16px 26px;font-size:15.5px}

/* Sections generic */
.section{padding:86px 0}
.section.tight{padding:56px 0}
.section-head{max-width:760px}
.section-head.center{margin:0 auto;text-align:center}
.section-head h2{font-size:36px;line-height:1.12;color:var(--ink)}
.section-head h2 span{color:var(--violet)}
.section-head p{margin-top:16px;font-size:15.5px;line-height:1.7;color:var(--muted)}
.eyebrow{display:inline-block;font-size:11px;font-weight:850;letter-spacing:.16em;color:var(--violet);margin-bottom:16px}
.eyebrow.cyan{color:#0aa8c4}

/* Reveal animation */
.reveal{opacity:0;transform:translateY(18px);transition:opacity .7s ease,transform .7s ease}
.reveal.visible{opacity:1;transform:none}

/* ===== Hero ===== */
.hero{background:linear-gradient(180deg,#170b43 0%,#1f0f57 55%,#170b43 100%);color:#fff;padding:70px 0 90px;position:relative;overflow:hidden}
.hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:50px;align-items:center}
.hero-grid>*{min-width:0}
.hero-copy .eyebrow{color:#bfa6ff}
.hero h1{font-size:46px;line-height:1.1;color:#fff}
.hero h1 .hl{background:linear-gradient(90deg,#8be8ff,#c3a7ff);-webkit-background-clip:text;background-clip:text;color:transparent}
.hero p.lead{margin-top:20px;font-size:16px;line-height:1.75;color:#d7cdf5;max-width:640px}
.hero .actions{display:flex;gap:14px;margin-top:30px;flex-wrap:wrap}
.hero .signature{margin-top:30px;font-size:11px;letter-spacing:.14em;color:#a99ac4;font-weight:800}

.hero-stage{position:relative;min-height:640px;display:block}
.node-wrap{width:300px;max-width:70%;position:absolute;top:0;left:50%;transform:translateX(-50%);z-index:1}
.node-wrap svg{width:100%;height:auto;filter:drop-shadow(0 20px 50px rgba(106,59,209,.4))}
@keyframes pulseNode{0%,100%{opacity:.55}50%{opacity:1}}
.node-wrap circle.pulse{animation:pulseNode 3s ease-in-out infinite}
@keyframes starGlow{0%,100%{filter:drop-shadow(0 0 6px rgba(246,201,74,.55));transform:scale(1)}50%{filter:drop-shadow(0 0 22px rgba(246,201,74,.95));transform:scale(1.06)}}
.star-mark{transform-origin:210px 180px;animation:starGlow 3.2s ease-in-out infinite}
@keyframes spinSlow{from{transform:rotate(0deg)}to{transform:rotate(360deg)}}
@keyframes spinSlowRev{from{transform:rotate(360deg)}to{transform:rotate(0deg)}}
.orbit-ring{transform-origin:210px 180px;animation:spinSlow 18s linear infinite}
.orbit-ring-2{animation:spinSlowRev 24s linear infinite}
.node-tag{position:absolute;background:rgba(23,11,67,.65);border:1px solid rgba(157,122,255,.35);border-radius:100px;padding:6px 12px;font-size:10.5px;font-weight:800;letter-spacing:.08em;color:#dfe7ff;backdrop-filter:blur(6px);z-index:2}
@keyframes floaty{0%,100%{transform:translateY(0)}50%{transform:translateY(-8px)}}
.node-tag{animation:floaty 5s ease-in-out infinite}

.advisor-preview{position:absolute;left:0;top:58%;width:320px;max-width:100%;background:rgba(20,10,50,.92);border:1px solid rgba(157,122,255,.3);border-radius:20px;padding:16px;box-shadow:0 30px 70px rgba(0,0,0,.4);backdrop-filter:blur(10px);z-index:3}
.advisor-top{display:flex;justify-content:space-between;font-size:10px;letter-spacing:.1em;color:#9d7aff;font-weight:800}
.advisor-carousel{transition:opacity .35s ease}
.advisor-carousel.fading{opacity:0}
.advisor-msg{margin-top:12px;font-size:12.5px;line-height:1.6;border-radius:12px;padding:10px 13px}
.advisor-msg.user{background:linear-gradient(135deg,#6a3bd1,#9d7aff);color:#fff;margin-left:26px}
.advisor-msg.bot{background:rgba(255,255,255,.06);color:#e3ddfa;border:1px solid rgba(255,255,255,.08);margin-top:8px}
.advisor-tag{display:inline-block;margin-top:12px;font-size:10px;font-weight:800;letter-spacing:.05em;color:#8be8ff;background:rgba(139,232,255,.08);border:1px solid rgba(139,232,255,.25);border-radius:100px;padding:5px 10px}
.advisor-note{margin-top:10px;font-size:10.5px;color:#a99ac4;font-style:italic}
.advisor-dots{display:flex;gap:5px;margin-top:10px}
.advisor-dots span{width:5px;height:5px;border-radius:50%;background:rgba(157,122,255,.35)}
.advisor-dots span.on{background:#8be8ff}

/* ===== Capacités IA ===== */
.cap-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.cap-card{background:#fff;border:1px solid var(--line);border-radius:18px;padding:20px;box-shadow:0 12px 30px rgba(40,15,90,.05);transition:transform .3s ease,box-shadow .3s ease}
.cap-card:hover{transform:translateY(-5px);box-shadow:0 20px 45px rgba(40,15,90,.12)}
.cap-art{height:150px;border-radius:14px;display:grid;place-items:center;overflow:hidden;position:relative}
.cap-art:before{content:"";position:absolute;inset:0;background-image:linear-gradient(rgba(157,122,255,.10) 1px,transparent 1px),linear-gradient(90deg,rgba(157,122,255,.10) 1px,transparent 1px);background-size:22px 22px}
.cap-art svg{width:88%;position:relative;z-index:1}
.cap-a{background:linear-gradient(135deg,#170b43,#4a1b96)}
.cap-b{background:linear-gradient(135deg,#1c0b49,#5921a5)}
.cap-c{background:linear-gradient(135deg,#053e50,#087a89)}
.cap-d{background:linear-gradient(135deg,#071d48,#0a5ab8)}
.cap-e{background:linear-gradient(135deg,#20204f,#3b6ca8)}
.cap-f{background:linear-gradient(135deg,#101c44,#3c2a91)}
.cap-card h3{font-size:18px;margin:16px 0 6px}
.cap-card p{font-size:12.5px;line-height:1.6;color:var(--muted);margin:0 0 8px;min-height:40px}
.cap-example{font-size:11.5px;color:var(--violet);font-weight:700;border-top:1px dashed var(--line);padding-top:8px;margin-top:8px}

/* ===== Platform diagram (capacités × solutions) ===== */
.platform-diagram{background:linear-gradient(180deg,#f8f6ff,#eee7ff);border-radius:24px;padding:44px 30px;text-align:center}
.platform-title{font-weight:900;font-size:14px;letter-spacing:.1em;color:var(--navy);margin-bottom:26px}
.platform-cols{display:grid;grid-template-columns:1fr 1fr;gap:26px;max-width:760px;margin:0 auto}
.platform-col h4{font-size:12px;letter-spacing:.1em;color:var(--violet);margin-bottom:12px}
.platform-col ul{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:8px}
.platform-col li{background:#fff;border:1px solid var(--line);border-radius:100px;padding:9px 16px;font-size:12.5px;font-weight:700;color:var(--ink)}

/* ===== Solutions grid ===== */
.solutions-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.sol-card{background:#fff;border:1px solid var(--line);border-radius:20px;overflow:hidden;box-shadow:0 12px 30px rgba(40,15,90,.05);transition:transform .3s ease}
.sol-card:hover{transform:translateY(-5px)}
.sol-art{height:150px;display:grid;place-items:center}
.sol-art svg{width:70%}
.sol-card h3{font-size:19px;margin:18px 20px 6px}
.sol-card p{font-size:12.5px;line-height:1.6;color:var(--muted);margin:0 20px 12px}
.sol-combo{margin:0 20px 14px;display:flex;flex-wrap:wrap;gap:6px}
.sol-combo span{font-size:10px;font-weight:800;letter-spacing:.03em;background:#f3edff;color:var(--violet);border-radius:100px;padding:5px 10px}
.sol-card a{display:block;margin:0 20px 20px;font-size:13px;font-weight:800;color:var(--violet);text-decoration:none}
.sol-card a:hover{text-decoration:underline}

/* ===== Socle technologique ===== */
.socle-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.socle-card{border:1px solid var(--line);border-radius:18px;padding:26px;background:linear-gradient(135deg,#fff,#f7f4ff)}
.socle-card .num{font-size:11px;font-weight:900;color:var(--violet-light);letter-spacing:.1em}
.socle-card h3{font-size:19px;margin:10px 0 8px}
.socle-card p{font-size:13px;color:var(--muted);line-height:1.65}
.socle-tag{margin-top:56px;text-align:center;font-size:11.5px;font-weight:800;letter-spacing:.08em;color:var(--violet)}

/* ===== Bloc crédibilité IAS ===== */
.ias-block{background:linear-gradient(135deg,#0c0630,#1f0f57 60%,#3a1e7a);border-radius:26px;padding:52px 44px;color:#fff;display:grid;grid-template-columns:1fr auto;gap:30px;align-items:center}
.ias-block h3{font-size:26px;line-height:1.25;max-width:520px}
.ias-block p{margin-top:14px;font-size:14.5px;line-height:1.75;color:#d7cdf5;max-width:520px}
.ias-block .btn-ghost{background:transparent;border:1px solid rgba(255,255,255,.35);color:#fff;white-space:nowrap}
.ias-block .btn-ghost:hover{background:rgba(255,255,255,.08)}

/* ===== Méthode ===== */
.method-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.method-card{border:1px solid var(--line);border-radius:18px;padding:22px;background:#fff;box-shadow:0 12px 30px rgba(40,15,90,.05)}
.method-art{height:110px;border-radius:12px;display:grid;place-items:center;margin-bottom:14px}
.method-art svg{width:70%}
.m1{background:linear-gradient(135deg,#170b43,#4a1b96)}
.m2{background:linear-gradient(135deg,#1c0b49,#5921a5)}
.m3{background:linear-gradient(135deg,#071d48,#0a5ab8)}
.m4{background:linear-gradient(135deg,#053e50,#087a89)}
.method-card .num{font-size:11px;font-weight:900;color:var(--violet-light);letter-spacing:.1em}
.method-card h3{font-size:17px;margin:8px 0 6px}
.method-card p{font-size:12px;color:var(--muted);line-height:1.6}

/* ===== Tarifs ===== */
.pricing-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px;max-width:820px;margin:0 auto}
.price-card{border:1px solid var(--line);border-radius:20px;padding:32px;background:#fff}
.price-card.highlight{border-color:var(--violet-light);box-shadow:0 20px 50px rgba(106,59,209,.15)}
.price-card h3{font-size:20px}
.price-card .tag{font-size:11px;font-weight:800;letter-spacing:.08em;color:var(--violet);margin-bottom:10px;display:block}
.price-card p{margin-top:12px;font-size:13.5px;color:var(--muted);line-height:1.7}
.price-card ul{margin:16px 0 0;padding:0;list-style:none;display:flex;flex-direction:column;gap:9px}
.price-card li{font-size:13px;color:var(--ink);padding-left:20px;position:relative}
.price-card li:before{content:"✓";position:absolute;left:0;color:var(--violet);font-weight:900}

/* ===== À propos / timeline ===== */
.history{list-style:none;margin:0;padding:0 0 0 26px;position:relative}
.history:before{content:"";position:absolute;left:5px;top:6px;bottom:6px;width:2px;background:linear-gradient(180deg,var(--cyan),var(--violet))}
.history-step{position:relative;padding:0 0 22px 20px}
.history-dot{position:absolute;left:-26px;top:3px;width:12px;height:12px;border-radius:50%;background:#fff;border:3px solid var(--violet);box-shadow:0 0 0 4px #f1e9ff}
.history-step b{display:block;font-size:14.5px;color:var(--ink);font-weight:850}
.history-step span{font-size:12px;color:var(--muted)}

/* ===== Diagnostic form ===== */
.diagnostic-panel{background:linear-gradient(135deg,#170b43,#3a1e7a);border-radius:26px;padding:46px 40px;color:#fff}
.diagnostic-grid{display:grid;grid-template-columns:1fr 1fr;gap:40px;align-items:start}
.diagnostic-grid>*{min-width:0}
.diagnostic-panel h2{font-size:30px;color:#fff}
.diagnostic-panel .section-head p{color:#d7cdf5}
.diagnostic-form{display:grid;gap:12px}
.diagnostic-form label{font-size:11px;font-weight:800;letter-spacing:.06em;color:#c9baf0;display:block;margin-bottom:5px}
.diagnostic-form input,.diagnostic-form select,.diagnostic-form textarea{width:100%;border-radius:10px;border:1px solid rgba(255,255,255,.2);background:rgba(255,255,255,.06);color:#fff;padding:11px 13px;font-family:inherit;font-size:13.5px}
.diagnostic-form input::placeholder,.diagnostic-form textarea::placeholder{color:#8f82ad}
.diagnostic-form textarea{min-height:90px;resize:vertical}
.diagnostic-form button{margin-top:6px}
.diagnostic-form>small{color:#a99ac4;font-size:11px;display:block;margin-top:6px}
#form-status{font-size:12.5px;color:#8be8ff;min-height:18px;display:block;margin-top:8px}

/* ===== Contact ===== */
.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:22px}
.contact-grid>*{min-width:0}
.contact-card{background:#fff;border:1px solid var(--line);border-radius:16px;padding:18px 20px;display:flex;gap:14px;align-items:flex-start}
.contact-icon{width:40px;height:40px;border-radius:12px;display:grid;place-items:center;font-size:17px;flex:none;background:linear-gradient(135deg,#6a3bd1,#9d7aff);color:#fff}
.contact-card small{display:block;font-size:10px;font-weight:800;letter-spacing:.08em;color:var(--muted);text-transform:uppercase}
.contact-card strong{display:block;font-size:14px;margin-top:3px}
.contact-card em{font-size:9.5px;color:#a06a1c;font-style:normal;display:block;margin-top:4px}

/* ===== Footer ===== */
footer{background:#0c0630;color:#cdc4e8;padding:0}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:40px;padding:55px 0 35px}
.footer-grid>*{min-width:0}
.footer-grid img{width:190px;height:auto;object-fit:contain}
.footer-grid p{font-size:11px;color:#a99ac4;margin-top:12px}
.footer-grid b{display:block;font-size:12px;margin-bottom:12px;color:#fff}
.footer-grid a,.footer-grid button{display:block;font-size:12.5px;color:#c9baf0;text-decoration:none;margin-bottom:9px;background:none;border:0;padding:0;cursor:pointer;font-family:inherit;text-align:left}
.footer-grid a:hover{color:#fff}
.footer-bottom{border-top:1px solid rgba(255,255,255,.08);padding:18px 0;text-align:center;font-size:11px;color:#a99ac4}

/* ===== Chat launcher + panel ===== */
.chat-launcher{position:fixed;right:20px;bottom:20px;z-index:950;display:flex;align-items:center;gap:10px;background:linear-gradient(135deg,#6a3bd1,#9d7aff);color:#fff;border:0;border-radius:100px;padding:12px 18px 12px 14px;cursor:pointer;box-shadow:0 18px 40px rgba(106,59,209,.4);animation:floaty 4s ease-in-out infinite}
.chat-launcher .p{width:34px;height:34px;border-radius:50%;background:rgba(255,255,255,.18);display:grid;place-items:center}
.chat-launcher .p svg{width:18px;height:18px}
.chat-launcher b{display:block;font-size:12.5px;letter-spacing:.03em}
.chat-launcher small{display:block;font-size:10.5px;opacity:.85}
.chat-launcher:has(~ .chat.open){display:none}

.chat{position:fixed;right:20px;bottom:20px;width:380px;max-width:calc(100vw - 24px);height:min(560px,calc(100vh - 40px));background:#fff;border-radius:20px;box-shadow:0 30px 80px rgba(0,0,0,.35);z-index:960;display:none;flex-direction:column;overflow:hidden;border:1px solid var(--line)}
.chat.open{display:flex;animation:chatIn .3s ease}
@keyframes chatIn{from{opacity:0;transform:translateY(14px)}to{opacity:1;transform:none}}
.chat-head{background:linear-gradient(135deg,#170b43,#4a1b96);color:#fff;padding:16px 18px;display:flex;justify-content:space-between;align-items:center}
.chat-head b{font-size:14px}
.chat-head small{font-size:11px;color:#c9baf0}
.chat-head button{background:rgba(255,255,255,.12);border:0;color:#fff;width:28px;height:28px;border-radius:50%;cursor:pointer;font-size:16px}
.chat-messages{flex:1;overflow-y:auto;padding:16px;display:flex;flex-direction:column;gap:10px;background:#faf9ff}
.chat-msg{max-width:85%;padding:10px 13px;border-radius:13px;font-size:13px;line-height:1.55}
.chat-msg.user{align-self:flex-end;background:linear-gradient(135deg,#6a3bd1,#9d7aff);color:#fff;border-bottom-right-radius:4px}
.chat-msg.bot{align-self:flex-start;background:#fff;border:1px solid var(--line);border-bottom-left-radius:4px}
.quick{display:flex;flex-wrap:wrap;gap:6px;padding:0 16px 10px}
.quick button{border:1px solid var(--line);background:#fff;border-radius:100px;padding:7px 12px;font-size:11px;cursor:pointer;color:var(--ink)}
.quick button:hover{border-color:var(--violet-light)}
.chat-input-row{display:flex;gap:8px;padding:12px;border-top:1px solid var(--line)}
.chat-input-row input{flex:1;border:1px solid var(--line);border-radius:100px;padding:11px 15px;font-family:inherit;font-size:13px}
.chat-input-row button{border:0;background:var(--violet);color:#fff;border-radius:100px;padding:0 18px;font-weight:800;cursor:pointer}
#mic{background:#f3edff;color:var(--violet);border:0;width:38px;height:38px;border-radius:50%;cursor:pointer;flex:none;font-size:15px}

.toast{position:fixed;left:50%;bottom:30px;transform:translateX(-50%) translateY(20px);background:var(--navy);color:#fff;padding:12px 20px;border-radius:100px;font-size:13px;opacity:0;pointer-events:none;transition:opacity .3s ease,transform .3s ease;z-index:1000}
.toast.show{opacity:1;transform:translateX(-50%) translateY(0)}

/* ===== Responsive ===== */
@media(max-width:1100px){
  .hero-grid{grid-template-columns:1fr}
  .hero-stage{min-height:620px}
  .cap-grid,.solutions-grid,.socle-grid,.method-grid{grid-template-columns:repeat(2,1fr)}
  .platform-cols{grid-template-columns:1fr}
  .ias-block{grid-template-columns:1fr;text-align:center}
  .ias-block p{margin-left:auto;margin-right:auto}
  .diagnostic-grid,.contact-grid,.pricing-grid{grid-template-columns:1fr}
  nav{position:fixed;top:0;right:-320px;width:300px;height:100vh;background:#fff;flex-direction:column;align-items:flex-start;padding:90px 26px;gap:20px;box-shadow:-20px 0 50px rgba(0,0,0,.15);transition:right .3s ease;z-index:940}
  nav.open{right:0}
  .menu{display:block}
}
@media(max-width:760px){
  .section{padding:60px 0}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .footer-grid img{width:min(200px,60vw);height:auto}
  .cap-grid,.solutions-grid,.socle-grid,.method-grid{grid-template-columns:1fr}
  .hero h1{font-size:34px}
  .advisor-preview{position:static;width:100%;margin-top:20px;top:auto}
  .node-wrap{width:min(260px,72vw);position:relative;top:auto;left:auto;transform:none;margin:0 auto}
  .hero-stage{min-height:0;display:flex;flex-direction:column;align-items:center}
  .chat{width:calc(100vw - 20px);right:10px;bottom:10px}
  .chat-launcher{right:12px;bottom:14px}
}
@media(max-width:520px){
  .ias-block{padding:34px 22px}
  .diagnostic-panel{padding:30px 22px}
}