:root{
  --max: 1120px;
  --pad: 18px;
  --radius: 16px;

  /* Charte (inspirée du logo) */
  --ink: #0f172a;        /* texte principal */
  --muted: #475569;      /* texte secondaire */
  --blue: #1b84d6;       /* accent bleu */
  --orange: #ff8a1f;     /* accent orange */
  --gray: #c9cfda;       /* fond gris premium (accentué) */
  --surface: rgba(255,255,255,.92);    /* cartes */
  --border: 1px solid rgba(15,23,42,.10);
  --shadow: 0 10px 30px rgba(15,23,42,.08);
}

*{ box-sizing: border-box; }
html{ scroll-behavior: smooth; }
body{
  margin: 0;
  font-family: system-ui, -apple-system, Segoe UI, Roboto, Arial, sans-serif;
  line-height: 1.55;
  color: var(--ink);
  background:
    radial-gradient(1200px 600px at 10% -10%, rgba(29,155,240,.16), transparent 55%),
    radial-gradient(900px 500px at 90% 0%, rgba(255,138,31,.14), transparent 55%),
    radial-gradient(900px 600px at 70% 110%, rgba(29,155,240,.08), transparent 55%),
    linear-gradient(180deg, #f7f9fc, var(--gray));
}

a{ color: inherit; }
a:hover{ text-decoration: underline; }
.wrap{ max-width: var(--max); margin: 0 auto; padding: 0 var(--pad); }

header{
  position: sticky;
  top: 0;
  z-index: 40;
  background: linear-gradient(
    90deg,
    rgba(27,132,214,.08),
    rgba(255,138,31,.08)
  );
  backdrop-filter: blur(14px);
}
header nav a:hover{
  background: rgba(27,132,214,.14); /* bleu un peu plus présent */
}

.topbar{
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  padding: 12px var(--pad);
  max-width: var(--max);
  margin: 0 auto;
}
.brand{
  display: flex;
  align-items: center;
  gap: 10px;
  min-width: 220px;
}
.brand img{
  height: 42px;
  width: auto;
  display: block;
}
nav{
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  justify-content: flex-end;
}
nav a{
  text-decoration: none;
  padding: 8px 10px;
  border-radius: 12px;
}
nav a:hover{ background: rgba(15,23,42,.06); }

main section{
  scroll-margin-top: 88px;
  padding: 58px 0;
}
main section:nth-of-type(even){
  background: rgba(255,255,255,.62);
  border-top: var(--border);
  border-bottom: var(--border);
}

h1,h2{ line-height: 1.12; margin: 0 0 12px; }
h1{ font-size: clamp(28px, 3.2vw, 46px); }
h2{ font-size: clamp(20px, 2.1vw, 32px); }
h2::before{
  content: "";
  display: block;
  width: 40px;
  height: 4px;
  margin-bottom: 8px;
  background: linear-gradient(90deg, var(--blue), var(--orange));
  border-radius: 4px;
}
.hero{
  background: linear-gradient(
    180deg,
    rgba(27,132,214,.08),
    transparent 70%
  );
}
p{ margin: 0 0 12px; }
.muted{ color: var(--muted); }

.hero{
  padding: 72px 0 64px;
}
.hero-grid{
  display: grid;
  grid-template-columns: 1.15fr .85fr;
  gap: 18px;
  align-items: start;
}
.kpis{
  display: grid;
  gap: 10px;
  margin-top: 12px;
}
.kpi{
  border: var(--border);
  border-radius: 14px;
  padding: 12px;
  background: rgba(255,255,255,.94);
}
.cta-row{
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 14px;
  align-items: center;
}

.btn{
  display: inline-block;
  padding: 11px 14px;
  border-radius: 14px;
  border: 1px solid transparent;
  background: linear-gradient(90deg, var(--blue), var(--orange));
  color: #fff;
  text-decoration: none;
  font-weight: 700;
  box-shadow: 0 10px 22px rgba(29,155,240,.18);
}
.btn:hover{ opacity: .94; text-decoration: none; }
.btn.secondary{
  background: rgba(255,255,255,.94);
  color: var(--ink);
  border: var(--border);
  box-shadow: none;
}

/* Badges (couleurs sobres, non flashy) */
.badge{
  display: inline-block;
  font-size: 12px;
  border: var(--border);
  padding: 4px 10px;
  border-radius: 999px;
  background: rgba(15,23,42,.03);
  margin-bottom: 10px;
}
.badge.blue{
  background: rgba(27,132,214,.22);
  border-color: rgba(27,132,214,.46);
}
.badge.orange{
  background: rgba(255,138,31,.26);
  border-color: rgba(255,138,31,.48);
}
.badge.gray{
  background: rgba(15,23,42,.12);
  border-color: rgba(15,23,42,.24);
}
.badge.green{
  background: rgba(31,138,112,.22);
  border-color: rgba(31,138,112,.42);
}

.card{
  background: rgba(255,255,255,.94);
  border: var(--border);
  border-radius: var(--radius);
  padding: 16px;
  box-shadow: 0 6px 18px rgba(15,23,42,.05);
}

.hero-media{
  border: var(--border);
  border-radius: calc(var(--radius) + 6px);
  overflow: hidden;
  background: var(--surface);
  box-shadow: var(--shadow);
}
.hero-media img{
  width: 100%;
  height: 100%;
  display: block;
  object-fit: cover;
  aspect-ratio: 4 / 3;
}

.grid-3{
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
  margin-top: 14px;
}
.two-col{
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
  margin-top: 14px;
}

.section-media{
  border: var(--border);
  border-radius: calc(var(--radius) + 6px);
  overflow: hidden;
  background: var(--surface);
  box-shadow: 0 10px 24px rgba(15,23,42,.06);
  margin-top: 14px;
}
.section-media img{
  width: 100%;
  display: block;
  object-fit: cover;
  aspect-ratio: 16 / 10;
}

.logo-grid{
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
  margin-top: 14px;
}
.logo-card{
  display: grid;
  grid-template-columns: 150px 1fr;
  gap: 12px;
  align-items: center;
  padding: 14px;
  border: var(--border);
  border-radius: var(--radius);
  background: rgba(255,255,255,.94);
  text-decoration: none;
}
.logo-card:hover{ background: rgba(255,255,255,.96); }
.logo-box{
  height: 60px;
  display: grid;
  place-items: center;
  background: rgba(255,255,255,.98);
  border: var(--border);
  border-radius: 14px;
  padding: 6px 10px;
}
.logo-box img{
  max-height: 46px;
  max-width: 100%;
  display: block;
}
.logo-name{ font-weight: 800; letter-spacing: .1px; }
.logo-sub{ color: var(--muted); font-size: 14px; margin-top: 4px; }

.subsection-title{
  margin-top: 18px;
  font-size: 16px;
  font-weight: 900;
  letter-spacing: .2px;
}

.steps{
  display: grid;
  gap: 12px;
  margin-top: 14px;
}
.step{
  background: rgba(255,255,255,.94);
  border: var(--border);
  border-radius: var(--radius);
  padding: 14px;
}

form{
  display: grid;
  gap: 10px;
  max-width: 760px;
  margin-top: 14px;
}
label{ font-weight: 750; font-size: 14px; }
input, textarea{
  width: 100%;
  padding: 10px 12px;
  border-radius: 14px;
  border: var(--border);
  font: inherit;
  background: rgba(255,255,255,.95);
}
textarea{ min-height: 140px; resize: vertical; }
button{
  justify-self: start;
  padding: 11px 14px;
  border-radius: 14px;
  border: 1px solid transparent;
  background: linear-gradient(90deg, var(--blue), var(--orange));
  color: #fff;
  cursor: pointer;
  font-weight: 800;
  box-shadow: 0 10px 22px rgba(255,138,31,.16);
}
button:hover{ opacity: .94; }

footer{
  padding: 26px 0;
  color: var(--muted);
  font-size: 14px;
}

@media (max-width: 920px){
  .hero-grid{ grid-template-columns: 1fr; }
  .grid-3{ grid-template-columns: 1fr; }
  .two-col{ grid-template-columns: 1fr; }
  .logo-grid{ grid-template-columns: 1fr; }
  .logo-card{ grid-template-columns: 1fr; }
  .brand{ min-width: 0; }
}
/* Logo sur fond (meilleure intégration) */
.brand{
  background: rgba(255,255,255,.95);
  border: var(--border);
  border-radius: 16px;
  padding: 6px 10px;
  box-shadow: 0 6px 18px rgba(15,23,42,.06);
}


/* Animations discrètes */
.reveal{
  opacity: 0;
  transform: translateY(10px);
  transition: opacity .55s ease, transform .55s ease;
}
.reveal.in{
  opacity: 1;
  transform: none;
}
@media (prefers-reduced-motion: reduce){
  .reveal{ opacity: 1; transform: none; transition: none; }
}
/* Menu : plus de contraste / peps */
header{
  box-shadow: 0 10px 24px rgba(15,23,42,.08);
}
header::after{
  content: "";
  display: block;
  height: 8px; /* ⬅ plus épais */
  background: linear-gradient(90deg, var(--blue), var(--orange));
  box-shadow: 0 4px 10px rgba(15,23,42,.18); /* léger relief coloré */
}

nav a{
  font-weight: 650;
}
nav a:hover{
  background: rgba(27,132,214,.10);
}
nav a:focus-visible{
  outline: 3px solid rgba(27,132,214,.30);
  outline-offset: 2px;
}
/* Vidéo (hero) */
.hero-video{
  margin-top: 14px;
  border: var(--border);
  border-radius: calc(var(--radius) + 6px);
  overflow: hidden;
  background: #fff;
  box-shadow: var(--shadow);
}
.hero-video video{
  width: 100%;
  height: auto;
  display: block;
  aspect-ratio: 16 / 9;
  object-fit: cover;
}
.hero-video .hint{
  padding: 10px 12px;
  font-size: 13px;
  color: var(--muted);
  background: rgba(15,23,42,.02);
  border-top: var(--border);
}
/* Vidéo intégrée dans la carte "En bref" */
.inline-video{
  margin-top: 12px;
  border-radius: 12px;
  overflow: hidden;
  box-shadow: 0 10px 22px rgba(15,23,42,.18);
  border: 1px solid rgba(15,23,42,.12);
}
.btn.secondary{
  background-color: #0A66C2;   /* bleu LinkedIn */
  color: #ffffff;
  border: 1px solid #0A66C2;
}

.btn.secondary:hover{
  background-color: #004182;   /* bleu LinkedIn plus foncé */
  border-color: #004182;
}.video-caption{
  text-align: center;
  margin-top: 10px;
  font-size: 15px;
}
.skip-link{
  position: absolute;
  top: -40px;
  left: 16px;
  background: #0f172a;
  color: #ffffff;
  padding: 8px 12px;
  border-radius: 999px;
  font-size: 14px;
  text-decoration: none;
  z-index: 50;
  transition: top .2s ease;
}
.skip-link:focus{
  top: 12px;
}
@media (max-width: 768px){
  .topbar{
    flex-direction: column;
    align-items: flex-start;
    padding: 8px 16px 10px;
    gap: 8px;
  }

  .brand{
    min-width: 0;
  }

  .brand img{
    height: 32px;
  }

  header nav{
    display: flex;
    flex-wrap: wrap;
    gap: 6px 10px;
    justify-content: flex-start;
    align-items: flex-start;   /* ⬅ clé n°1 */
    width: 100%;               /* ⬅ clé n°2 */
  }

  header nav a{
    display: block;            /* ⬅ clé n°3 */
    text-align: left;          /* ⬅ clé n°4 */
    padding: 6px 8px;
    font-size: 14px;
  }

  .hero{
    padding: 56px 0 40px;
  }

  .hero-grid{
    grid-template-columns: 1fr;
  }
}