/* =========================
   MasterIA Executive — UI
   Palette fournie + design premium
   ========================= */
:root{
  --petrol:#1B4B5E;
  --petrol2:#25556A;
  --petrol3:#1E3F49;
  --gold:#AA8114;
  --gold2:#BC9422;
  --bg:#E0E2DC;
  --white:#ffffff;
  --text:#0b1f2a;
  --muted: rgba(11,31,42,.72);
  --stroke: rgba(27,75,94,.18);
  --stroke2: rgba(188,148,34,.28);
  --shadow: 0 22px 70px rgba(11,31,42,.16);
  --shadow2: 0 14px 35px rgba(11,31,42,.12);
  --radius: 22px;
  --radius2: 30px;
  --max: 1200px;
  --ease: cubic-bezier(.2,.9,.2,1);
}
.mobile{
  display:none;
}
.qs{
  overflow:hidden;
}
.qs-inner{
  position:relative;
  padding: 22px;
  display:grid;
  grid-template-columns: 360px 1fr;
  gap: 18px;
  align-items: stretch;
}
@media (max-width: 980px){
  .qs-inner{ grid-template-columns: 1fr; }
}

.qs-photo{
  border-radius: 24px;
  overflow:hidden;
  border: 1px solid rgba(188,148,34,.22);
  background: rgba(255,255,255,.55);
  box-shadow: var(--shadow2);
  min-height: 260px;
}
.qs-photo img{
  width:100%;
  height:100%;
  object-fit: cover;
  display:block;
}

.qs-text{
  padding: 4px 6px;
}


*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Inter, Arial, "Apple Color Emoji","Segoe UI Emoji";
  color: var(--text);
  background: radial-gradient(1200px 800px at 15% 0%, rgba(27,75,94,.18), transparent 60%),
              radial-gradient(1000px 700px at 95% 20%, rgba(188,148,34,.16), transparent 55%),
              linear-gradient(180deg, #f6f7f4, var(--bg));
  overflow-x:hidden;
}

a{color:inherit; text-decoration:none}
.container{width:min(var(--max), calc(100% - 40px)); margin:0 auto}

.topbar{
  position:sticky; top:0; z-index:50;
  backdrop-filter: blur(16px);
  background: rgba(246,247,244,.72);
  border-bottom: 1px solid rgba(27,75,94,.10);
}
.nav{
  display:flex; align-items:center; justify-content:space-between;
  padding:14px 0;
}
.brand{
  display:flex; align-items:center; gap:14px;
}
.brand img{height:42px; width:auto}
.brand .tag{
  font-size:12px; letter-spacing:.10em; text-transform:uppercase;
  color: rgba(30,63,73,.78);
  display:none;
}
@media (min-width: 860px){ .brand .tag{display:block} }

.menu{
  display:flex; align-items:center; gap:18px;
}
.menu a{
  font-weight:700;
  color: rgba(30,63,73,.86);
  padding:10px 12px;
  border-radius: 999px;
  transition: transform .25s var(--ease), background .25s var(--ease), color .25s var(--ease);
}
.menu a:hover{
  background: rgba(27,75,94,.08);
  color: var(--petrol3);
  transform: translateY(-1px);
}
.menu .accent{
  border: 1px solid rgba(188,148,34,.35);
  background: linear-gradient(135deg, rgba(188,148,34,.18), rgba(27,75,94,.08));
}

.burger{
  display:none;
  width:44px; height:44px; border-radius: 14px;
  border: 1px solid rgba(27,75,94,.14);
  background: rgba(255,255,255,.65);
  box-shadow: var(--shadow2);
}
.burger span{display:block; height:2px; width:18px; background: var(--petrol3); margin:6px auto; border-radius:999px}
@media (max-width: 860px){
  .menu{display:none}
  .burger{display:block}
  .mobile{
    display:none;
    padding: 0 0 14px 0;
  }
  .mobile.open{display:block}
  .mobile a{
    display:block;
    padding:14px 12px;
    font-weight:800;
    border-radius: 16px;
    background: rgba(255,255,255,.65);
    border: 1px solid rgba(27,75,94,.12);
    margin-top:10px;
  }
}

.hero{
  padding: 54px 0 28px 0;
  position:relative;
}
.hero-grid{
  display:grid;
  grid-template-columns: 1.1fr .9fr;
  gap: 26px;
  align-items: stretch;
}
@media (max-width: 980px){
  .hero-grid{grid-template-columns: 1fr}
}

.card{
  background: rgba(255,255,255,.72);
  border: 1px solid rgba(27,75,94,.10);
  border-radius: var(--radius2);
  box-shadow: var(--shadow);
  overflow:hidden;
  position:relative;
}
.card::before{
  content:"";
  position:absolute; inset:-2px;
  background: radial-gradient(900px 400px at 15% 0%, rgba(27,75,94,.18), transparent 60%),
              radial-gradient(700px 350px at 90% 20%, rgba(188,148,34,.18), transparent 55%);
  opacity:.9;
  pointer-events:none;
  mask: linear-gradient(#000, transparent 78%);
}
.card-inner{position:relative; padding: 28px}

.kicker{
  display:inline-flex; align-items:center; gap:10px;
  padding: 8px 12px;
  border-radius: 999px;
  border: 1px solid rgba(188,148,34,.35);
  background: rgba(255,255,255,.55);
  font-weight:900;
  letter-spacing:.08em;
  text-transform:uppercase;
  font-size:12px;
  color: var(--petrol3);
}
.kicker i{
  width:10px; height:10px; border-radius:50%;
  background: linear-gradient(135deg, var(--gold2), var(--petrol));
  box-shadow: 0 0 0 6px rgba(188,148,34,.14);
}

.h1{
  margin: 16px 0 12px 0;
  font-size: clamp(34px, 4vw, 54px);
  line-height: 1.02;
  letter-spacing: -0.03em;
  color: var(--petrol3);
}
.h1 .gold{
  background: linear-gradient(135deg, var(--gold2), var(--gold));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.lead{
  margin:0;
  font-size: 18px;
  line-height: 1.6;
  color: rgba(11,31,42,.78);
  max-width: 62ch;
}

.hero-metrics{
  display:grid; grid-template-columns: repeat(3, 1fr);
  gap: 12px;
  margin-top: 18px;
}
@media (max-width: 520px){
  .hero-metrics{grid-template-columns: 1fr}
}
.metric{
  padding: 14px 14px;
  border-radius: 18px;
  background: rgba(255,255,255,.62);
  border: 1px solid rgba(27,75,94,.12);
}
.metric .n{
  font-size: 18px;
  font-weight: 950;
  color: var(--petrol3);
}
.metric .t{
  margin-top: 6px;
  font-size: 12px;
  letter-spacing: .06em;
  text-transform: uppercase;
  color: rgba(37,85,106,.78);
  font-weight: 900;
}

.side{
  padding: 24px;
  border-radius: var(--radius2);
  background: rgba(30,63,73,.92);
  color: rgba(255,255,255,.92);
  box-shadow: var(--shadow);
  border: 1px solid rgba(188,148,34,.26);
  position:relative;
  overflow:hidden;
}
.side::after{
  content:"";
  position:absolute; inset:-60px;
  background: radial-gradient(600px 320px at 15% 10%, rgba(188,148,34,.35), transparent 60%),
              radial-gradient(500px 260px at 90% 20%, rgba(255,255,255,.10), transparent 55%);
  transform: rotate(10deg);
  opacity:.9;
  pointer-events:none;
}
.side > *{position:relative}
.side h3{
  margin:0 0 10px 0;
  font-size: 22px;
  letter-spacing:-.02em;
}
.side p{margin:0; line-height:1.65; color: rgba(255,255,255,.84)}
.pills{display:flex; flex-wrap:wrap; gap:10px; margin-top:16px}
.pill{
  padding: 10px 12px;
  border-radius: 999px;
  border: 1px solid rgba(255,255,255,.18);
  background: rgba(255,255,255,.08);
  font-weight: 800;
  font-size: 12px;
  letter-spacing: .05em;
  text-transform: uppercase;
}

.section{
  padding: 18px 0 40px 0;
}
.section h2{
  margin:0 0 12px 0;
  font-size: 28px;
  letter-spacing:-.02em;
  color: var(--petrol3);
}
.grid{
  display:grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px;
}
@media (max-width: 900px){ .grid{grid-template-columns:1fr} }

.feature{
  padding: 20px;
  border-radius: var(--radius);
  background: rgba(255,255,255,.68);
  border: 1px solid rgba(27,75,94,.10);
  box-shadow: var(--shadow2);
}
.feature h3{margin:0 0 8px 0; font-size:18px; color: var(--petrol3)}
.feature p{margin:0; line-height:1.65; color: rgba(11,31,42,.78)}
.icon{
  width:44px; height:44px; border-radius: 16px;
  background: linear-gradient(135deg, rgba(27,75,94,.16), rgba(188,148,34,.18));
  border: 1px solid rgba(188,148,34,.24);
  display:grid; place-items:center;
  margin-bottom: 12px;
}
.icon svg{width:22px; height:22px; fill: var(--petrol3); opacity:.92}

.band{
  padding: 22px;
  border-radius: var(--radius2);
  background: linear-gradient(135deg, rgba(27,75,94,.10), rgba(188,148,34,.12));
  border: 1px solid rgba(188,148,34,.22);
  box-shadow: var(--shadow2);
}

.contact{
  padding: 26px;
  border-radius: var(--radius2);
  background: rgba(255,255,255,.72);
  border: 1px solid rgba(27,75,94,.12);
  box-shadow: var(--shadow);
  display:grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px;
}
@media (max-width: 900px){ .contact{grid-template-columns:1fr} }
.contact .line{
  padding: 14px 14px;
  border-radius: 18px;
  background: rgba(255,255,255,.65);
  border: 1px solid rgba(27,75,94,.10);
}
.label{
  font-size: 12px;
  letter-spacing: .08em;
  text-transform: uppercase;
  font-weight: 900;
  color: rgba(37,85,106,.84);
}
.value{
  margin-top: 6px;
  font-weight: 900;
  color: var(--petrol3);
}
.value a{color: inherit; text-decoration: underline; text-decoration-color: rgba(188,148,34,.6); text-underline-offset: 3px}
.small{
  margin-top:8px;
  color: rgba(11,31,42,.68);
  line-height:1.65;
}

.footer{
  margin-top: 34px;
  padding: 26px 0 34px 0;
  border-top: 1px solid rgba(27,75,94,.12);
}
.footer-grid{
  display:grid;
  grid-template-columns: 1.2fr .8fr;
  gap: 16px;
  align-items:start;
}
@media (max-width: 900px){ .footer-grid{grid-template-columns:1fr} }
.footer .links{
  display:flex; flex-wrap:wrap; gap:10px;
}
.footer .links a{
  padding: 10px 12px;
  border-radius: 999px;
  border: 1px solid rgba(27,75,94,.14);
  background: rgba(255,255,255,.55);
  font-weight: 800;
}
.footer .muted{color: rgba(11,31,42,.68); line-height:1.65}
.footer .brandline{
  display:flex; align-items:center; gap:12px;
}
.footer .brandline img{height:34px; width:auto}
.qualiopi-wrap{
  margin-top: 16px;
  display:flex; align-items:center; gap:14px; flex-wrap:wrap;
}
.qualiopi-wrap img{
  width:min(260px, 90vw);
  height:auto;
  border-radius: 18px;
  background: rgba(255,255,255,.7);
  border: 1px solid rgba(27,75,94,.12);
  box-shadow: var(--shadow2);
  padding: 10px;
}
.qualiopi-wrap a{
  font-weight: 900;
  color: var(--petrol3);
  text-decoration: underline;
  text-decoration-color: rgba(188,148,34,.6);
  text-underline-offset: 4px;
}

/* reveal */
.reveal{opacity:0; transform: translateY(12px); transition: opacity .8s var(--ease), transform .8s var(--ease)}
.reveal.on{opacity:1; transform: translateY(0)}