/* ==========================================================
   IBI GROUP TECH — Feuille de style principale
   Mobile-first — breakpoints : 640px (tablette) / 1024px (desktop)
   ========================================================== */

:root{
  --bg-deep:#060B18;
  --bg-panel:#0D1930;
  --bg-panel-alt:#101E3A;
  --border-soft:#1E2E4D;
  --cyan:#22D3EE;
  --blue:#3B82F6;
  --purple:#8B5CF6;
  --pink:#F4416F;
  --orange:#F5A623;
  --teal:#2DD4A7;
  --text-primary:#F5F8FF;
  --text-muted:#8CA3C7;
  --font-display:'Space Grotesk', sans-serif;
  --font-body:'Inter', sans-serif;
  --radius-lg:16px;
  --radius-md:12px;
  --container:1180px;
}

*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg-deep);
  color:var(--text-primary);
  font-family:var(--font-body);
  line-height:1.55;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block;}
a{color:inherit;}
h1,h2,h3,h4{font-family:var(--font-display);line-height:1.15;margin:0;}
p{margin:0;}
ul{margin:0;padding:0;list-style:none;}
button{font-family:inherit;}
:focus-visible{outline:2px solid var(--cyan);outline-offset:3px;}
.container{max-width:var(--container);margin:0 auto;padding:0 1.25rem;}
.section{padding:4rem 0;}
.section-head{max-width:640px;margin:0 0 2.25rem;}
.section-head .eyebrow{color:var(--cyan);font-size:.82rem;font-weight:600;margin:0 0 .5rem;}
.section-head h2{font-size:clamp(1.7rem,4.5vw,2.4rem);}
.section-head p{color:var(--text-muted);margin-top:.75rem;font-size:1rem;}
.bg-glow{
  background:
    radial-gradient(circle at 15% 0%, rgba(34,211,238,.10), transparent 45%),
    radial-gradient(circle at 90% 20%, rgba(139,92,246,.10), transparent 40%);
}

/* ---------- Boutons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:.5rem;
  padding:.85rem 1.5rem;border-radius:10px;font-weight:600;font-size:.95rem;
  text-decoration:none;border:1px solid transparent;cursor:pointer;transition:transform .15s ease, box-shadow .15s ease;
}
.btn:active{transform:translateY(1px);}
.btn-primary{background:linear-gradient(135deg,var(--cyan),var(--blue));color:#04121F;box-shadow:0 8px 24px -8px rgba(34,211,238,.55);}
.btn-primary:hover{box-shadow:0 10px 30px -6px rgba(34,211,238,.7);}
.btn-outline{background:transparent;border-color:var(--border-soft);color:var(--text-primary);}
.btn-outline:hover{border-color:var(--cyan);color:var(--cyan);}
.btn-block{width:100%;}

/* ---------- Header ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(6,11,24,.85);backdrop-filter:blur(10px);
  border-bottom:1px solid var(--border-soft);
}
.site-header .container{display:flex;align-items:center;justify-content:space-between;height:66px;}
.logo{display:flex;align-items:center;gap:.5rem;font-family:var(--font-display);font-weight:700;font-size:1.25rem;letter-spacing:.01em;text-decoration:none;}
.logo .mark{
  width:34px;height:34px;border-radius:9px;display:grid;place-items:center;
  background:linear-gradient(135deg,var(--cyan),var(--blue));color:#04121F;font-size:.9rem;font-weight:800;
}
.logo .accent{color:var(--cyan);}

.nav-toggle{
  display:flex;flex-direction:column;justify-content:center;gap:5px;
  width:40px;height:40px;background:none;border:1px solid var(--border-soft);border-radius:8px;
}
.nav-toggle span{width:18px;height:2px;background:var(--text-primary);margin:0 auto;display:block;transition:transform .2s ease, opacity .2s ease;}
.nav-toggle.is-open span:nth-child(1){transform:translateY(7px) rotate(45deg);}
.nav-toggle.is-open span:nth-child(2){opacity:0;}
.nav-toggle.is-open span:nth-child(3){transform:translateY(-7px) rotate(-45deg);}

.main-nav{
  position:fixed;inset:66px 0 0 0;background:var(--bg-deep);
  padding:1.5rem 1.25rem;transform:translateY(-8px);opacity:0;pointer-events:none;
  transition:opacity .2s ease, transform .2s ease;overflow-y:auto;
}
.main-nav.is-open{opacity:1;transform:translateY(0);pointer-events:auto;}
.main-nav ul{display:flex;flex-direction:column;gap:1.1rem;font-size:1.05rem;}
.main-nav a{text-decoration:none;color:var(--text-primary);}
.main-nav a:hover{color:var(--cyan);}
.nav-cta{margin-top:1.5rem;}

/* ---------- Hero ---------- */
.hero{padding:3rem 0 3.5rem;position:relative;}
.hero-tag{
  display:inline-flex;align-items:center;gap:.4rem;
  font-size:.78rem;color:var(--cyan);border:1px solid rgba(34,211,238,.35);
  padding:.3rem .75rem;border-radius:999px;margin-bottom:1.25rem;background:rgba(34,211,238,.06);
}
.hero h1{font-size:clamp(2rem,7vw,3.1rem);letter-spacing:-.01em;}
.hero h1 .grad{background:linear-gradient(135deg,var(--cyan),var(--purple));-webkit-background-clip:text;background-clip:text;color:transparent;}
.hero-lead{margin-top:1.1rem;color:var(--text-muted);font-size:1.05rem;max-width:52ch;}
.hero-cta{display:flex;flex-wrap:wrap;gap:.85rem;margin-top:1.75rem;}
.hero-flag{margin-top:1.5rem;font-size:.85rem;color:var(--text-muted);display:flex;align-items:center;gap:.4rem;}

.hero-visual{
  margin-top:2.5rem;border-radius:var(--radius-lg);overflow:hidden;
  border:1px solid var(--border-soft);background:var(--bg-panel-alt);
  padding:1.1rem;position:relative;
}
.hero-visual::before{
  content:"";position:absolute;inset:-40% -20% auto auto;width:60%;height:180%;
  background:radial-gradient(circle,rgba(34,211,238,.18),transparent 60%);pointer-events:none;
}
.code-window{background:#04101F;border-radius:10px;border:1px solid var(--border-soft);overflow:hidden;}
.code-window-bar{display:flex;gap:6px;padding:.6rem .75rem;background:#071427;}
.code-window-bar span{width:9px;height:9px;border-radius:50%;background:#324566;}
.code-window-bar span:nth-child(1){background:#F4416F;}
.code-window-bar span:nth-child(2){background:#F5A623;}
.code-window-bar span:nth-child(3){background:#2DD4A7;}
.code-window pre{margin:0;padding:1rem 1.1rem;font-family:'Space Mono','Courier New',monospace;font-size:.78rem;color:#9FD8FF;overflow-x:auto;line-height:1.6;}
.code-window pre .c1{color:var(--teal);}
.code-window pre .c2{color:var(--orange);}
.code-window pre .c3{color:var(--purple);}
.hero-stats{display:grid;grid-template-columns:repeat(2,1fr);gap:.75rem;margin-top:1rem;}
.hero-stat{background:var(--bg-panel);border:1px solid var(--border-soft);border-radius:10px;padding:.75rem .9rem;}
.hero-stat b{display:block;font-family:var(--font-display);font-size:1.15rem;}
.hero-stat span{font-size:.75rem;color:var(--text-muted);}

/* Valeurs (Innover / Accompagner / Sécuriser / Réussir) */
.values{display:grid;grid-template-columns:repeat(2,1fr);gap:1rem;margin-top:2.5rem;}
.value{display:flex;flex-direction:column;align-items:flex-start;gap:.6rem;padding:1rem;border-top:2px solid var(--border-soft);}
.value .ic{width:38px;height:38px;border-radius:9px;display:grid;place-items:center;background:var(--bg-panel);border:1px solid var(--border-soft);}
.value span{font-size:.85rem;color:var(--text-muted);font-weight:600;}

/* ---------- Services ---------- */
.services-grid{display:grid;grid-template-columns:1fr;gap:1rem;}
.service-card{
  background:var(--bg-panel);border:1px solid var(--border-soft);border-radius:var(--radius-md);
  padding:1.5rem;border-top:3px solid var(--accent,var(--cyan));transition:transform .15s ease, border-color .15s ease;
}
.service-card:hover{transform:translateY(-3px);}
.service-card .ic{width:44px;height:44px;border-radius:10px;display:grid;place-items:center;background:rgba(255,255,255,.04);margin-bottom:1rem;color:var(--accent,var(--cyan));}
.service-card h3{font-size:1.05rem;margin-bottom:.5rem;}
.service-card p{color:var(--text-muted);font-size:.9rem;}

/* ---------- Pourquoi nous ---------- */
.why-panel{background:var(--bg-panel);border:1px solid var(--border-soft);border-radius:var(--radius-lg);padding:1.75rem;}
.why-panel h3{font-size:1.2rem;margin-bottom:1.1rem;display:flex;align-items:center;gap:.6rem;}
.why-list{display:flex;flex-direction:column;gap:.85rem;}
.why-list li{display:flex;align-items:flex-start;gap:.65rem;font-size:.93rem;}
.why-list .check{
  flex:none;width:20px;height:20px;border-radius:50%;background:rgba(34,211,238,.15);color:var(--cyan);
  display:grid;place-items:center;font-size:.7rem;margin-top:.1rem;
}
.why-banner{
  margin-top:1.5rem;padding:1rem 1.1rem;border-radius:12px;border:1px solid rgba(34,211,238,.3);
  background:rgba(34,211,238,.06);display:flex;align-items:center;gap:.75rem;font-size:.92rem;
}

.vision-panel{background:var(--bg-panel);border:1px solid var(--border-soft);border-radius:var(--radius-lg);padding:1.75rem;margin-top:1.25rem;}
.vision-panel h3{font-size:1.2rem;margin-bottom:.6rem;}
.vision-panel p{color:var(--text-muted);font-size:.92rem;margin-bottom:1.25rem;}
.vision-steps{display:grid;grid-template-columns:repeat(2,1fr);gap:.9rem;}
.vision-step{text-align:center;padding:.9rem .5rem;background:var(--bg-panel-alt);border-radius:10px;border:1px solid var(--border-soft);}
.vision-step .num{
  width:28px;height:28px;border-radius:50%;margin:0 auto .5rem;display:grid;place-items:center;
  background:linear-gradient(135deg,var(--cyan),var(--blue));color:#04121F;font-weight:700;font-size:.78rem;
}
.vision-step span{font-size:.8rem;color:var(--text-muted);}

/* ---------- Réalisations ---------- */
.work-grid{display:grid;grid-template-columns:1fr;gap:1rem;}
.work-card{border-radius:var(--radius-md);overflow:hidden;border:1px solid var(--border-soft);background:var(--bg-panel);}
.work-thumb{aspect-ratio:4/3;display:flex;align-items:center;justify-content:center;font-family:var(--font-display);font-size:1.6rem;color:rgba(255,255,255,.85);position:relative;overflow:hidden;}
.work-thumb::after{content:"";position:absolute;inset:0;background:linear-gradient(160deg,rgba(0,0,0,.05),rgba(0,0,0,.45));}
.work-thumb span{position:relative;z-index:1;}
.work-info{padding:1rem 1.1rem 1.25rem;}
.work-info .tag{font-size:.72rem;color:var(--cyan);font-weight:600;margin-bottom:.3rem;}
.work-info h3{font-size:1rem;margin-bottom:.3rem;}
.work-info p{font-size:.85rem;color:var(--text-muted);}

/* ---------- Tarifs ---------- */
.pricing-grid{display:grid;grid-template-columns:1fr;gap:1.1rem;}
.price-card{background:var(--bg-panel);border:1px solid var(--border-soft);border-radius:var(--radius-lg);padding:1.75rem;display:flex;flex-direction:column;}
.price-card.featured{border-color:var(--cyan);box-shadow:0 0 0 1px var(--cyan), 0 20px 50px -20px rgba(34,211,238,.4);position:relative;}
.price-card.featured::before{
  content:"Recommandé";position:absolute;top:-11px;left:1.75rem;background:var(--cyan);color:#04121F;
  font-size:.68rem;font-weight:700;padding:.2rem .6rem;border-radius:999px;
}
.price-card .ic{font-size:1.6rem;margin-bottom:.75rem;}
.price-card h3{font-size:1.15rem;}
.price-card .price{font-family:var(--font-display);font-size:1.7rem;margin:.5rem 0 1.25rem;}
.price-card .price small{font-size:.85rem;color:var(--text-muted);font-family:var(--font-body);}
.price-list{display:flex;flex-direction:column;gap:.6rem;margin-bottom:1.5rem;flex:1;}
.price-list li{font-size:.87rem;color:var(--text-muted);display:flex;gap:.5rem;align-items:flex-start;}
.price-list li::before{content:"✓";color:var(--cyan);flex:none;}

/* ---------- Contact ---------- */
.contact-wrap{display:grid;grid-template-columns:1fr;gap:2rem;}
.contact-info{display:flex;flex-direction:column;gap:1.25rem;}
.contact-item{display:flex;gap:.85rem;align-items:flex-start;}
.contact-item .ic{width:40px;height:40px;flex:none;border-radius:10px;background:var(--bg-panel);border:1px solid var(--border-soft);display:grid;place-items:center;color:var(--cyan);}
.contact-item h4{font-size:.85rem;color:var(--text-muted);margin-bottom:.15rem;font-weight:500;}
.contact-item p{font-size:.95rem;}
.contact-form{background:var(--bg-panel);border:1px solid var(--border-soft);border-radius:var(--radius-lg);padding:1.5rem;}
.form-row{display:flex;flex-direction:column;gap:.4rem;margin-bottom:1rem;}
.form-row label{font-size:.82rem;color:var(--text-muted);}
.form-row input,.form-row select,.form-row textarea{
  background:var(--bg-deep);border:1px solid var(--border-soft);border-radius:9px;
  padding:.75rem .85rem;color:var(--text-primary);font-family:inherit;font-size:.92rem;
}
.form-row textarea{resize:vertical;min-height:110px;}
.form-status{font-size:.85rem;margin-top:.25rem;min-height:1.2em;}
.form-status.ok{color:var(--teal);}
.form-status.err{color:var(--pink);}

/* ---------- Footer ---------- */
.site-footer{border-top:1px solid var(--border-soft);padding:3rem 0 1.5rem;background:var(--bg-panel-alt);}
.footer-top{display:grid;grid-template-columns:1fr;gap:2rem;margin-bottom:2rem;}
.footer-brand p{color:var(--text-muted);font-size:.9rem;margin-top:.75rem;max-width:32ch;}
.footer-col h5{font-size:.82rem;text-transform:uppercase;letter-spacing:.06em;color:var(--text-muted);margin-bottom:.85rem;}
.footer-col ul{display:flex;flex-direction:column;gap:.55rem;}
.footer-col a{font-size:.88rem;text-decoration:none;color:var(--text-primary);opacity:.85;}
.footer-col a:hover{color:var(--cyan);opacity:1;}
.footer-bottom{border-top:1px solid var(--border-soft);padding-top:1.5rem;display:flex;flex-direction:column;gap:.75rem;font-size:.82rem;color:var(--text-muted);}
.footer-strip{background:var(--bg-deep);text-align:center;padding:.85rem;font-size:.78rem;color:var(--cyan);letter-spacing:.02em;}

/* ==========================================================
   Widget Chat
   ========================================================== */
.chat-launcher{
  position:fixed;right:1.1rem;bottom:1.1rem;z-index:100;
  width:58px;height:58px;border-radius:50%;border:none;cursor:pointer;
  background:linear-gradient(135deg,var(--cyan),var(--blue));
  display:grid;place-items:center;box-shadow:0 10px 30px -8px rgba(34,211,238,.65);
  color:#04121F;
}
.chat-launcher .dot{
  position:absolute;top:6px;right:6px;width:12px;height:12px;border-radius:50%;
  background:var(--pink);border:2px solid var(--bg-deep);display:none;
}
.chat-launcher.has-unread .dot{display:block;}

.chat-window{
  position:fixed;right:1.1rem;bottom:1.1rem;z-index:110;
  width:min(360px, calc(100vw - 1.6rem));height:min(520px, calc(100vh - 2rem));
  background:var(--bg-panel);border:1px solid var(--border-soft);border-radius:16px;
  display:flex;flex-direction:column;overflow:hidden;
  box-shadow:0 30px 70px -20px rgba(0,0,0,.6);
  transform:translateY(16px) scale(.97);opacity:0;pointer-events:none;
  transition:transform .2s ease, opacity .2s ease, width .2s ease, height .2s ease;
}
.chat-window.is-open{transform:translateY(0) scale(1);opacity:1;pointer-events:auto;}
.chat-window.is-expanded{width:min(420px, calc(100vw - 1.6rem));height:min(680px, calc(100vh - 2rem));}

.chat-head{
  display:flex;align-items:center;gap:.6rem;padding:.85rem 1rem;
  background:var(--bg-panel-alt);border-bottom:1px solid var(--border-soft);
}
.chat-head .avatar{width:34px;height:34px;border-radius:9px;background:linear-gradient(135deg,var(--cyan),var(--purple));display:grid;place-items:center;font-size:.85rem;font-weight:800;color:#04121F;}
.chat-head-text{flex:1;min-width:0;}
.chat-head-text b{font-size:.88rem;display:block;}
.chat-head-text span{font-size:.72rem;color:var(--teal);display:flex;align-items:center;gap:.3rem;}
.chat-head-text span::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--teal);}
.chat-head-btn{
  width:30px;height:30px;border-radius:8px;background:transparent;border:1px solid transparent;
  color:var(--text-muted);cursor:pointer;display:grid;place-items:center;
}
.chat-head-btn:hover{border-color:var(--border-soft);color:var(--text-primary);}

.chat-body{flex:1;overflow-y:auto;padding:1rem;display:flex;flex-direction:column;gap:.6rem;background:
  radial-gradient(circle at 20% 0%, rgba(34,211,238,.05), transparent 40%);}
.chat-msg{max-width:82%;padding:.55rem .8rem;border-radius:14px;font-size:.86rem;line-height:1.45;}
.chat-msg.bot,.chat-msg.admin{align-self:flex-start;background:var(--bg-panel-alt);border:1px solid var(--border-soft);border-bottom-left-radius:3px;}
.chat-msg.user{align-self:flex-end;background:linear-gradient(135deg,var(--cyan),var(--blue));color:#04121F;border-bottom-right-radius:3px;}
.chat-quick{display:flex;flex-wrap:wrap;gap:.4rem;padding:0 1rem .75rem;}
.chat-quick button{
  font-size:.76rem;background:var(--bg-panel-alt);border:1px solid var(--border-soft);color:var(--text-primary);
  padding:.4rem .65rem;border-radius:999px;cursor:pointer;
}
.chat-quick button:hover{border-color:var(--cyan);color:var(--cyan);}

.chat-input{display:flex;gap:.5rem;padding:.75rem;border-top:1px solid var(--border-soft);background:var(--bg-panel);}
.chat-input input{
  flex:1;background:var(--bg-deep);border:1px solid var(--border-soft);border-radius:10px;
  padding:.65rem .8rem;color:var(--text-primary);font-family:inherit;font-size:.88rem;
}
.chat-input button{
  width:40px;height:40px;flex:none;border-radius:10px;border:none;background:linear-gradient(135deg,var(--cyan),var(--blue));
  color:#04121F;display:grid;place-items:center;cursor:pointer;
}
.chat-input button:disabled{opacity:.5;cursor:not-allowed;}

/* ==========================================================
   Responsive — Tablette ≥ 640px
   ========================================================== */
@media (min-width:640px){
  .services-grid{grid-template-columns:repeat(2,1fr);}
  .work-grid{grid-template-columns:repeat(2,1fr);}
  .pricing-grid{grid-template-columns:repeat(3,1fr);}
  .values{grid-template-columns:repeat(4,1fr);}
  .hero-stats{grid-template-columns:repeat(4,1fr);}
  .footer-top{grid-template-columns:1.4fr 1fr 1fr 1fr;}
}

/* ==========================================================
   Responsive — Desktop ≥ 1024px
   ========================================================== */
@media (min-width:1024px){
  .nav-toggle{display:none;}
  .main-nav{
    position:static;inset:auto;background:none;padding:0;opacity:1;transform:none;pointer-events:auto;
    display:flex;align-items:center;gap:2rem;width:auto;overflow:visible;
  }
  .main-nav ul{flex-direction:row;gap:1.75rem;font-size:.92rem;}
  .nav-cta{margin-top:0;}
  .hero .container{display:grid;grid-template-columns:1.05fr .95fr;gap:3rem;align-items:center;}
  .hero-visual{margin-top:0;}
  .services-grid{grid-template-columns:repeat(3,1fr);}
  .why-grid{display:grid;grid-template-columns:1fr 1fr;gap:1.25rem;align-items:start;}
  .work-grid{grid-template-columns:repeat(4,1fr);}
  .contact-wrap{grid-template-columns:.85fr 1.15fr;gap:3rem;}
  .section{padding:6rem 0;}
}

@media (prefers-reduced-motion:reduce){
  *{animation-duration:.001ms !important;transition-duration:.001ms !important;}
}