.i4a-section{
  padding:84px 24px;
  scroll-margin-top:110px;
}

.i4a-container{
  width:min(1120px,100%);
  margin:0 auto;
}

.i4a-kicker,
.i4a-card-kicker{
  display:inline-block;
  margin:0 0 16px;
  font-size:12px;
  font-weight:700;
  letter-spacing:.14em;
  text-transform:uppercase;
  color:#0c6a6f;
}

.i4a-section h1{
  margin:0 0 20px;
  font-size:clamp(2.7rem,5vw,5.2rem);
  line-height:1;
  letter-spacing:-.03em;
  color:#142028;
}

.i4a-section h2{
  margin:0 0 18px;
  font-size:clamp(2rem,3vw,3.2rem);
  line-height:1.05;
  letter-spacing:-.025em;
  color:#142028;
}

.i4a-section h3{
  margin:0 0 12px;
  font-size:1.4rem;
  line-height:1.15;
  color:#142028;
}

.i4a-section p,
.i4a-section li{
  font-size:1.05rem;
  line-height:1.75;
  color:#42525b;
}

.i4a-section p{
  max-width:780px;
  margin:0 0 16px;
}

.i4a-actions{
  display:flex;
  flex-wrap:wrap;
  gap:14px;
  margin-top:28px;
}

.i4a-btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  min-height:50px;
  padding:13px 20px;
  border-radius:999px;
  text-decoration:none;
  font-weight:700;
  font-size:.98rem;
  transition:all .2s ease;
}

.i4a-btn-primary{
  background:#0c6a6f;
  color:#fff;
  box-shadow:0 10px 24px rgba(12,106,111,.18);
}

.i4a-btn-primary:hover{
  background:#084f53;
  color:#fff;
  transform:translateY(-1px);
}

.i4a-btn-secondary{
  background:#ffffff;
  color:#0c6a6f;
  border:1px solid rgba(12,106,111,.18);
}

.i4a-btn-secondary:hover{
  background:#f3f8f8;
  color:#084f53;
}

.i4a-text-link{
  color:#0c6a6f;
  font-weight:700;
  text-decoration:none;
}

.i4a-text-link:hover{
  text-decoration:underline;
}

.i4a-card{
  background:#fff;
  border:1px solid rgba(20,32,40,.08);
  border-radius:24px;
  padding:30px;
  box-shadow:0 18px 40px rgba(20,32,40,.05);
}

.i4a-note{
  margin-top:18px;
  color:#6a7a84;
  font-size:.97rem;
}

.i4a-hero{
  padding-top:110px;
  padding-bottom:94px;
  background:
    radial-gradient(circle at top left, rgba(12,106,111,.08), transparent 32%),
    linear-gradient(180deg,#f5faf9 0%,#ffffff 100%);
}

.i4a-hero .i4a-container{
  max-width:960px;
}

.i4a-hero-grid{
  display:grid;
  grid-template-columns:1.2fr .8fr;
  gap:28px;
  align-items:end;
}

.i4a-hero-panel{
  background:rgba(255,255,255,.7);
  border:1px solid rgba(20,32,40,.06);
  border-radius:24px;
  padding:24px;
  backdrop-filter:blur(8px);
}

.i4a-parcours{
  background:#fbfcfc;
}

.i4a-cards{
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr));
  gap:24px;
  margin-top:34px;
}

.i4a-card ul{
  margin:18px 0 20px 18px;
  padding:0;
}

.i4a-card li{
  margin-bottom:10px;
}

.i4a-card:hover{
  transform:translateY(-2px);
  transition:transform .2s ease;
}

.i4a-faq{
  background:#f7fbfb;
}

.i4a-faq-wrap{
  display:grid;
  grid-template-columns:.95fr 1.05fr;
  gap:28px;
  align-items:start;
}

.i4a-faq-panel{
  background:#fff;
  border:1px solid rgba(20,32,40,.08);
  border-radius:24px;
  padding:28px;
  box-shadow:0 18px 40px rgba(20,32,40,.04);
}

.i4a-faq-tabs{
  display:flex;
  flex-wrap:wrap;
  gap:10px;
  margin:18px 0 20px;
}

.i4a-chip{
  display:inline-flex;
  align-items:center;
  min-height:40px;
  padding:10px 14px;
  border-radius:999px;
  background:#ffffff;
  border:1px solid rgba(12,106,111,.16);
  color:#0c6a6f;
  font-size:.92rem;
  font-weight:700;
}

.i4a-candidater,
.i4a-cta-final{
  background:linear-gradient(180deg,#f7fbfb 0%,#fdfefe 100%);
}

.i4a-cta-shell{
  display:grid;
  grid-template-columns:1fr auto;
  gap:24px;
  align-items:end;
}

.i4a-footer{
  background:#142028;
  color:#d8e5ea;
  padding:72px 24px 28px;
}

.i4a-footer-grid{
  display:grid;
  grid-template-columns:1.2fr .8fr .8fr .8fr;
  gap:28px;
}

.i4a-footer h3,
.i4a-footer h4{
  margin:0 0 14px;
  color:#fff;
  font-size:1rem;
  letter-spacing:.04em;
}

.i4a-footer p{
  color:#b8c9cf;
  line-height:1.75;
}

.i4a-footer a{
  color:#d8ecef;
  text-decoration:none;
  display:inline-block;
  margin:0 0 8px;
}

.i4a-footer a:hover{
  text-decoration:underline;
}

.i4a-footer-bottom{
  margin-top:34px;
  padding-top:18px;
  border-top:1px solid rgba(216,236,239,.12);
  font-size:.92rem;
  color:#9db2bb;
}

@media (max-width: 980px){
  .i4a-hero-grid,
  .i4a-faq-wrap,
  .i4a-cta-shell,
  .i4a-footer-grid,
  .i4a-cards{
    grid-template-columns:1fr;
  }

  .i4a-section{
    padding:60px 20px;
  }

  .i4a-actions{
    flex-direction:column;
    align-items:flex-start;
  }

  .i4a-btn{
    width:100%;
  }
}