/* =========================================================
   FIREBOT — Feuille de style principale
   Tokens dérivés de la plaquette de marque (rouge braise,
   noir encre, blanc, mockups de chat).
   ========================================================= */

:root{
  --red-deep:   #4F0E12;
  --red-brand:  #B40D10;
  --red-bright: #E0262A;
  --ink:        #15110F;
  --paper:      #FFFFFF;
  --smoke:      #F4F1EF;
  --steel:      #6E6760;
  --line:       #E7E1DC;

  --grad-brand: linear-gradient(115deg, var(--red-deep) 0%, var(--red-brand) 55%, var(--red-bright) 100%);

  --font-display: "Poppins", "Helvetica Neue", Arial, sans-serif;
  --font-body:    "Plus Jakarta Sans", "Helvetica Neue", Arial, sans-serif;
  --font-ui:      "Quicksand", "Plus Jakarta Sans", sans-serif;

  --radius-lg: 28px;
  --radius-md: 18px;
  --radius-sm: 10px;
  --shadow-card: 0 18px 40px -18px rgba(21,17,15,.35);
  --container: 1180px;
}

*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--font-body);
  color:var(--ink);
  background:var(--paper);
  -webkit-font-smoothing:antialiased;
  line-height:1.6;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
ul{margin:0;padding:0;}
h1,h2,h3,h4{
  font-family:var(--font-display);
  font-weight:800;
  line-height:1.08;
  margin:0 0 .5em;
  letter-spacing:-.01em;
}
p{margin:0 0 1em;}
.container{
  width:100%;
  max-width:var(--container);
  margin:0 auto;
  padding:0 24px;
}
.eyebrow{
  font-family:var(--font-ui);
  font-weight:700;
  text-transform:uppercase;
  letter-spacing:.14em;
  font-size:.78rem;
  color:var(--red-brand);
  display:inline-flex;
  align-items:center;
  gap:.5em;
  margin-bottom:.9em;
}
.eyebrow::before{
  content:"";
  width:22px;height:3px;border-radius:3px;
  background:var(--red-brand);
  display:inline-block;
}
:focus-visible{
  outline:3px solid var(--red-bright);
  outline-offset:3px;
  border-radius:6px;
}

/* ---------- Buttons ---------- */
.btn{
  display:inline-flex;
  align-items:center;
  gap:.6em;
  font-family:var(--font-ui);
  font-weight:700;
  font-size:.98rem;
  padding:.85em 1.6em;
  border-radius:999px;
  border:2px solid transparent;
  cursor:pointer;
  transition:transform .18s ease, box-shadow .18s ease, background .18s ease, color .18s ease;
  white-space:nowrap;
}
.btn-primary{
  background:var(--ink);
  color:var(--paper);
  box-shadow:0 10px 24px -10px rgba(0,0,0,.5);
}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 16px 28px -10px rgba(0,0,0,.55);}
.btn-accent{
  background:var(--paper);
  color:var(--red-brand);
}
.btn-accent:hover{transform:translateY(-2px);background:var(--ink);color:var(--paper);}
.btn-outline{
  background:transparent;
  border-color:rgba(255,255,255,.55);
  color:var(--paper);
}
.btn-outline:hover{background:rgba(255,255,255,.12);}
.btn-ghost{
  background:transparent;
  border-color:var(--line);
  color:var(--ink);
}
.btn-ghost:hover{border-color:var(--red-brand);color:var(--red-brand);}

/* ---------- Header ---------- */
.site-header{
  position:sticky; top:0; z-index:50;
  background:rgba(255,255,255,.92);
  backdrop-filter:saturate(160%) blur(10px);
  border-bottom:1px solid var(--line);
}
.nav{
  display:flex;
  align-items:center;
  justify-content:space-between;
  padding:14px 24px;
  max-width:var(--container);
  margin:0 auto;
}
.brand{
  display:flex;align-items:center;gap:.65em;
  font-family:var(--font-display);
  font-weight:800;
  font-size:1.15rem;
}
.brand img{height:40px;width:40px;}
.brand-word b{color:var(--red-brand);}
.nav-links{
  display:flex;
  align-items:center;
  gap:28px;
  font-family:var(--font-ui);
  font-weight:600;
  font-size:.96rem;
}
.nav-links a{
  position:relative;
  padding:6px 0;
  color:var(--ink);
}
.nav-links a.active,.nav-links a:hover{color:var(--red-brand);}
.nav-links a.active::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:2px;
  background:var(--red-brand);border-radius:2px;
}
.nav-cta{display:flex;align-items:center;gap:14px;}
.nav-toggle{display:none;}

@media (max-width:880px){
  .nav-links{
    position:fixed;inset:64px 0 0 0;
    background:var(--paper);
    flex-direction:column;
    align-items:flex-start;
    padding:28px 24px;
    gap:18px;
    font-size:1.1rem;
    transform:translateX(100%);
    transition:transform .25s ease;
    overflow-y:auto;
  }
  .nav-links.open{transform:translateX(0);}
  .nav-toggle{
    display:inline-flex;
    width:42px;height:42px;
    align-items:center;justify-content:center;
    border-radius:50%;
    border:1px solid var(--line);
    background:none;
  }
  .nav-toggle span{display:block;width:18px;height:2px;background:var(--ink);position:relative;}
  .nav-toggle span::before,.nav-toggle span::after{
    content:"";position:absolute;left:0;width:18px;height:2px;background:var(--ink);
  }
  .nav-toggle span::before{top:-6px;}
  .nav-toggle span::after{top:6px;}
  .nav-cta .btn-primary{padding:.7em 1.2em;font-size:.88rem;}
}

/* ---------- Hero (signature split layout) ---------- */
.hero{
  display:grid;
  grid-template-columns:1.05fr .95fr;
  min-height:640px;
  background:var(--grad-brand);
  position:relative;
  overflow:hidden;
}
.hero-content{
  color:var(--paper);
  display:flex;
  flex-direction:column;
  justify-content:center;
  padding:70px 56px;
  position:relative;
  z-index:2;
}
.hero-logo{
  background:var(--paper);
  border-radius:var(--radius-lg);
  width:108px;height:108px;
  display:flex;align-items:center;justify-content:center;
  padding:14px;
  box-shadow:var(--shadow-card);
  margin-bottom:28px;
}
.hero h1{
  font-size:clamp(2.2rem,4vw,3.4rem);
  color:var(--paper);
}
.hero h1 em{
  font-style:normal;color:#FFD9D2;
}
.hero-lede{
  font-size:1.15rem;
  max-width:480px;
  color:rgba(255,255,255,.92);
}
.hero-quote{
  margin-top:34px;
  font-family:var(--font-ui);
  font-size:1.02rem;
  font-style:italic;
  color:rgba(255,255,255,.85);
  border-left:3px solid rgba(255,255,255,.55);
  padding-left:16px;
  max-width:440px;
}
.hero-ctas{display:flex;gap:16px;margin-top:36px;flex-wrap:wrap;}
.hero-visual{
  position:relative;
  background:#111;
}
.hero-visual img{
  width:100%;height:100%;object-fit:cover;
  filter:grayscale(1) contrast(1.05);
}
.hero-mock{
  position:absolute;
  right:42px;bottom:42px;
  width:300px;
  z-index:3;
}
@media (max-width:980px){
  .hero{grid-template-columns:1fr;min-height:auto;}
  .hero-visual{height:260px;order:-1;}
  .hero-mock{display:none;}
  .hero-content{padding:48px 24px;}
}

/* ---------- Chat mockup (signature element) ---------- */
.chat-mock{
  background:var(--paper);
  border-radius:var(--radius-md);
  box-shadow:var(--shadow-card);
  overflow:hidden;
  font-family:var(--font-ui);
  border:1px solid rgba(0,0,0,.05);
}
.chat-mock .chat-head{
  display:flex;align-items:center;gap:.5em;
  padding:14px 16px;
  border-bottom:1px solid var(--line);
}
.chat-mock .chat-head img{height:24px;width:24px;}
.chat-mock .chat-head b{font-family:var(--font-display);font-size:.85rem;}
.chat-mock .chat-head b i{color:var(--red-brand);font-style:normal;}
.chat-bubble{
  margin:0;
  padding:14px 16px;
  font-size:.86rem;
}
.chat-bubble.q{background:var(--smoke);font-weight:600;}
.chat-bubble.a{background:#fff;color:#2b2724;}
.chat-bubble.a ul{padding-left:1.1em;margin:.4em 0;}
.chat-sources{
  font-size:.68rem;
  color:var(--steel);
  padding:10px 16px 16px;
  border-top:1px dashed var(--line);
}
.chat-sources b{display:block;color:var(--ink);font-size:.7rem;margin-bottom:4px;}

/* ---------- Sections ---------- */
.section{padding:88px 0;}
.section-tight{padding:56px 0;}
.section-alt{background:var(--smoke);}
.section-dark{background:var(--ink);color:var(--paper);}
.section-head{
  max-width:680px;
  margin-bottom:48px;
}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center;}
.section-head h2{font-size:clamp(1.8rem,3vw,2.5rem);}
.section-head p{color:var(--steel);font-size:1.08rem;}
.section-dark .section-head p{color:rgba(255,255,255,.75);}

/* ---------- Grids & Cards ---------- */
.grid{display:grid;gap:24px;}
.grid-2{grid-template-columns:repeat(2,1fr);}
.grid-3{grid-template-columns:repeat(3,1fr);}
.grid-4{grid-template-columns:repeat(4,1fr);}
@media (max-width:920px){.grid-3,.grid-4{grid-template-columns:repeat(2,1fr);}}
@media (max-width:620px){.grid-2,.grid-3,.grid-4{grid-template-columns:1fr;}}

.card{
  background:var(--paper);
  border:1px solid var(--line);
  border-radius:var(--radius-md);
  padding:30px;
  box-shadow:var(--shadow-card);
}
.card h3{font-size:1.18rem;margin-bottom:.4em;}
.card p{color:var(--steel);font-size:.96rem;margin-bottom:0;}
.icon-badge{
  width:54px;height:54px;
  border-radius:16px;
  background:var(--smoke);
  display:flex;align-items:center;justify-content:center;
  margin-bottom:18px;
}
.icon-badge svg{width:26px;height:26px;stroke:var(--red-brand);}

/* Use-case category card (brand red header strip) */
.usecase-card{
  border-radius:var(--radius-md);
  overflow:hidden;
  background:var(--paper);
  box-shadow:var(--shadow-card);
  border:1px solid var(--line);
}
.usecase-card .uc-head{
  background:var(--grad-brand);
  color:var(--paper);
  text-align:center;
  font-family:var(--font-display);
  font-weight:700;
  padding:14px 10px;
  font-size:1.05rem;
}
.usecase-card .uc-photo{height:140px;overflow:hidden;}
.usecase-card .uc-photo img{width:100%;height:100%;object-fit:cover;filter:grayscale(1);}
.usecase-card .uc-body{padding:20px 18px 24px;}
.usecase-card .uc-body ul{list-style:none;}
.usecase-card .uc-body li{
  font-size:.92rem;
  margin-bottom:8px;
  padding-left:1.1em;
  position:relative;
}
.usecase-card .uc-body li::before{
  content:"";
  position:absolute;left:0;top:.55em;
  width:6px;height:6px;border-radius:50%;
  background:var(--red-brand);
}
.usecase-card .uc-body li b{display:block;}

/* Pill stat (shield/gear style row) */
.pill-row{display:flex;gap:20px;flex-wrap:wrap;justify-content:center;}
.pill{
  background:var(--paper);
  border-radius:var(--radius-md);
  padding:26px 22px;
  width:280px;
  text-align:center;
  box-shadow:var(--shadow-card);
}
.pill .icon-badge{margin:0 auto 16px;}
.pill h4{font-size:1rem;margin-bottom:.3em;}
.pill p{font-size:.86rem;color:var(--steel);margin:0;}

/* Steps / numbered list when order matters */
.steps{counter-reset:step;}
.steps li{
  counter-increment:step;
  list-style:none;
  position:relative;
  padding-left:54px;
  margin-bottom:26px;
}
.steps li::before{
  content:counter(step,decimal-leading-zero);
  position:absolute;left:0;top:0;
  font-family:var(--font-display);
  font-weight:800;
  color:var(--red-brand);
  font-size:1.3rem;
}

/* ---------- Logo strip (partners) ---------- */
.logo-strip{
  display:flex;
  flex-wrap:wrap;
  gap:18px;
  justify-content:center;
}
.logo-strip .logo-tile{
  width:200px;height:110px;
  border:1px solid var(--line);
  border-radius:var(--radius-sm);
  display:flex;align-items:center;justify-content:center;
  background:var(--paper);
  font-family:var(--font-ui);
  font-weight:700;
  color:var(--steel);
  text-align:center;
  padding:12px;
}
.logo-strip .logo-tile img{
  max-width:100%;
  max-height:60px;
  width:auto;
  object-fit:contain;
}
.logo-strip a.logo-tile{
  text-decoration:none;
  transition:border-color .18s ease, transform .18s ease;
}
.logo-strip a.logo-tile:hover{
  border-color:var(--red-brand);
  transform:translateY(-2px);
}

/* ---------- CTA banner ---------- */
.cta-banner{
  background:var(--grad-brand);
  color:var(--paper);
  border-radius:var(--radius-lg);
  padding:54px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:30px;
  flex-wrap:wrap;
}
.cta-banner h3{font-size:1.7rem;margin-bottom:.3em;}
.cta-banner p{color:rgba(255,255,255,.85);margin-bottom:0;max-width:480px;}

/* ---------- Footer ---------- */
.site-footer{background:var(--ink);color:rgba(255,255,255,.78);padding:64px 0 28px;}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:36px;margin-bottom:48px;}
.footer-brand{display:flex;align-items:center;gap:.6em;margin-bottom:14px;}
.footer-brand img{height:36px;width:36px;}
.footer-brand b{font-family:var(--font-display);color:var(--paper);font-size:1.05rem;}
.site-footer h5{
  font-family:var(--font-ui);
  color:var(--paper);
  text-transform:uppercase;
  letter-spacing:.08em;
  font-size:.78rem;
  margin-bottom:16px;
}
.site-footer ul li{margin-bottom:10px;font-size:.92rem;}
.site-footer a:hover{color:var(--red-bright);}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.12);
  padding-top:24px;
  display:flex;
  justify-content:space-between;
  flex-wrap:wrap;
  gap:12px;
  font-size:.82rem;
  color:rgba(255,255,255,.55);
}
@media (max-width:880px){
  .footer-grid{grid-template-columns:1fr 1fr;}
}
@media (max-width:560px){
  .footer-grid{grid-template-columns:1fr;}
}

/* ---------- Page header (sub-pages) ---------- */
.page-hero{
  background:var(--grad-brand);
  color:var(--paper);
  padding:120px 0 64px;
  text-align:center;
}
.page-hero h1{font-size:clamp(2rem,4vw,2.9rem);}
.page-hero p{max-width:600px;margin:0 auto;color:rgba(255,255,255,.85);font-size:1.08rem;}

/* ---------- Legal pages ---------- */
.legal-doc{max-width:760px;margin:0 auto;}
.legal-doc h2{
  font-size:1.3rem;
  margin-top:2.2em;
  padding-top:.2em;
  border-top:1px solid var(--line);
}
.legal-doc h2:first-child{border-top:none;margin-top:0;}
.legal-doc .meta{color:var(--steel);font-size:.9rem;margin-bottom:2em;}
.legal-doc table{width:100%;border-collapse:collapse;margin:1.2em 0;font-size:.92rem;}
.legal-doc table th,.legal-doc table td{
  border:1px solid var(--line);
  padding:10px 12px;
  text-align:left;
}
.legal-doc table th{background:var(--smoke);}
.legal-doc ul{padding-left:1.3em;margin-bottom:1em;}
.legal-doc li{margin-bottom:.4em;}
.legal-nav{
  display:flex;flex-wrap:wrap;gap:10px;
  margin-bottom:3em;
  padding:18px;
  background:var(--smoke);
  border-radius:var(--radius-sm);
}
.legal-nav a{
  font-size:.84rem;font-weight:600;
  padding:6px 12px;border-radius:999px;background:var(--paper);
  border:1px solid var(--line);
}
.legal-nav a:hover{border-color:var(--red-brand);color:var(--red-brand);}

/* ---------- Contact form ---------- */
.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:flex-start;}
@media (max-width:880px){.contact-grid{grid-template-columns:1fr;}}
.form-field{margin-bottom:20px;}
.form-field label{
  display:block;font-family:var(--font-ui);font-weight:700;
  font-size:.86rem;margin-bottom:6px;
}
.form-field input,.form-field textarea,.form-field select{
  width:100%;
  padding:13px 16px;
  border:1px solid var(--line);
  border-radius:var(--radius-sm);
  font-family:var(--font-body);
  font-size:.96rem;
  background:#fff;
  color:var(--ink);
}
.form-field textarea{resize:vertical;min-height:140px;}
.form-field input:focus,.form-field textarea:focus,.form-field select:focus{
  border-color:var(--red-brand);
  outline:none;
  box-shadow:0 0 0 3px rgba(180,13,16,.12);
}
.form-note{font-size:.82rem;color:var(--steel);margin-top:8px;}
.contact-info-card{
  background:var(--ink);
  color:var(--paper);
  border-radius:var(--radius-lg);
  padding:40px;
}
.contact-info-card h3{color:var(--paper);}
.contact-info-row{
  display:flex;gap:14px;align-items:flex-start;
  margin-bottom:20px;
  font-size:.96rem;
}
.contact-info-row svg{width:20px;height:20px;flex-shrink:0;stroke:var(--red-bright);margin-top:2px;}
.form-success{
  display:none;
  background:#E9F7EF;
  border:1px solid #B7E4C7;
  color:#1E6B3C;
  padding:16px 18px;
  border-radius:var(--radius-sm);
  margin-bottom:20px;
  font-size:.92rem;
}

/* ---------- Misc ---------- */
.tag-list{display:flex;flex-wrap:wrap;gap:8px;}
.tag{
  font-family:var(--font-ui);font-weight:700;font-size:.78rem;
  padding:6px 12px;border-radius:999px;
  background:var(--smoke);color:var(--red-brand);
}
.split{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center;}
@media (max-width:880px){.split{grid-template-columns:1fr;}}
.disclaimer-box{
  border-left:3px solid var(--red-brand);
  background:var(--smoke);
  padding:18px 22px;
  border-radius:0 var(--radius-sm) var(--radius-sm) 0;
  font-size:.92rem;
  color:var(--steel);
}
.reveal{transition:opacity .6s ease, transform .6s ease;}
.reveal.pending{opacity:0;transform:translateY(18px);}
.reveal.in{opacity:1;transform:none;}
@media (prefers-reduced-motion: reduce){
  .reveal.pending{opacity:1;transform:none;transition:none;}
  html{scroll-behavior:auto;}
}