:root{
  --bg:#F5F7FA;
  --card:#FFFFFF;
  --text:#2C3E50;
  --muted:#6B7C93;
  --accent:#00AEEF; /* bleu vif */
  --accent-2:#2ECC71; /* vert discret */
  --shadow:0 10px 30px rgba(0,0,0,.08);
  --radius:18px;
  --radius-sm:12px;
  --maxw:1100px;
}

*{box-sizing:border-box}

html,body{
  margin:0;
  padding:0;
  background:var(--bg);
  color:var(--text);
  font:16px/1.6 system-ui,-apple-system,Segoe UI,Roboto,Ubuntu,Cantarell,'Helvetica Neue',Arial;
}

a{
  color:var(--accent);
  text-decoration:none;
}

a:hover{opacity:.9}

.container{
  max-width:var(--maxw);
  margin:0 auto;
  padding:0 20px;
}

/* Header */
header{
  position:sticky;
  top:0;
  z-index:40;
  background:linear-gradient(180deg,#0e6f90 0%,#0c5f7a 100%);
  color:#fff;
  box-shadow:var(--shadow);
}

.nav{
  display:flex;
  align-items:center;
  justify-content:space-between;
  padding:16px 0;
}

.brand{
  display:flex;
  align-items:baseline;
  font-weight:700;
  letter-spacing:.2px;
  gap:0;
  font-size:2.2rem;
}

.brand .fix{color:var(--accent)}

.nav a{
  color:#e7f7ff;
  margin:0 10px;
  font-weight:600;
}

.cta{
  background:linear-gradient(180deg,var(--accent),#0499d1);
  color:#fff;
  border:0;
  padding:10px 16px;
  border-radius:999px;
  font-weight:700;
  font-size:16px;
  line-height:1.2;
  box-shadow:0 6px 16px rgba(0,174,239,.35);
  cursor:pointer;
}

.cta.secondary{
  background:transparent;
  border:2px solid #9adff6;
  color:#1b7ba0;
}

/* Hero */
.hero{
  background:linear-gradient(180deg,#0c5f7a 0%, #0a4e64 100%);
  color:#fff;
  padding:56px 0 64px;
}

.hero h1{
  font-size:clamp(28px,5vw,44px);
  line-height:1.15;
  margin:0 0 10px;
}

.hero p{
  font-size:clamp(16px,2.5vw,20px);
  margin:0 0 24px;
  color:#d8f3ff;
}

.badges{
  display:flex;
  gap:10px;
  flex-wrap:wrap;
  margin:6px 0 24px;
}

.badge{
  background:rgba(255,255,255,.12);
  border:1px solid rgba(255,255,255,.2);
  padding:6px 12px;
  border-radius:999px;
  font-weight:600;
}

.hero-actions{
  display:flex;
  gap:12px;
  flex-wrap:wrap;
}

/* Cards sections */
section{
  padding:56px 0;
  scroll-margin-top:120px;
}

.cards{
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr));
  gap:18px;
}

.card{
  background:var(--card);
  border-radius:var(--radius);
  box-shadow:var(--shadow);
  padding:22px;
}

.card h3{
  margin:10px 0 8px;
  font-size:20px;
}

.icon{
  width:36px;
  height:36px;
  display:inline-block;
}

.muted{color:var(--muted)}

/* Pricing */
.pricing{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:18px;
}

.price-card{
  background:var(--card);
  border-radius:var(--radius);
  box-shadow:var(--shadow);
  padding:22px;
}

.price{
  font-size:32px;
  font-weight:800;
  color:var(--accent);
}

.list{
  margin:10px 0 0;
  padding:0;
  list-style:none;
}

.list li{
  display:flex;
  align-items:flex-start;
  gap:10px;
  margin:10px 0;
}

.list .tick{
  color:var(--accent-2);
  font-weight:900;
}

.note{
  font-size:14px;
  color:var(--muted);
}

/* Contact */
.contact{
  display:flex;
  justify-content:center;
  padding:0 10px;
  gap:18px;
}

form{
  background:var(--card);
  padding:22px;
  border-radius:var(--radius);
  box-shadow:var(--shadow);
  max-width:760px;
  width:100%;
}

label{
  font-weight:700;
  display:block;
  margin:10px 0 6px;
}

.option-group{
  border:0;
  padding:0;
  margin:24px 0 12px;
  display:grid;
  gap:12px;
  grid-template-columns:repeat(auto-fit,minmax(220px,1fr));
}

.option-group legend{
  font-weight:700;
  margin-bottom:8px;
}

.option-group .option-item{
  position:relative;
  display:block;
}

.option-group .option-item input{
  position:absolute;
  inset:0;
  opacity:0;
}

.option-group .option-label{
  display:flex;
  flex-direction:column;
  gap:4px;
  border:1px solid #e3e8ef;
  border-radius:12px;
  padding:14px 16px 16px;
  background:var(--card);
  transition:all .2s ease;
  cursor:pointer;
  position:relative;
  padding-left:46px;
}

.option-group .option-label::before{
  content:"";
  width:18px;
  height:18px;
  border-radius:50%;
  border:2px solid #a6b7c9;
  box-sizing:border-box;
  position:absolute;
  left:16px;
  top:calc(50% - 9px);
  transition:all .2s ease;
  background:#fff;
}

.option-group .option-label strong{
  font-size:16px;
  font-weight:700;
  color:var(--text);
}

.option-group .option-label small{
  font-size:13px;
  color:var(--muted);
}

.option-group .option-item input:focus-visible + .option-label{
  box-shadow:0 0 0 3px rgba(0,174,239,.25);
}

.option-group .option-item:hover .option-label{
  border-color:#b7dff3;
}

.option-group .option-item input:checked + .option-label{
  border-color:var(--accent);
  background:rgba(0,174,239,.08);
  box-shadow:0 8px 20px rgba(0,174,239,.15);
}

.option-group .option-item input:checked + .option-label::before{
  border-color:var(--accent);
  background:radial-gradient(circle at center, var(--accent) 50%, transparent 52%);
}

.option-group--service{
  grid-template-columns:repeat(3,minmax(0,1fr));
  gap:10px;
}

.option-group--service .option-item{
  height:auto;
}

.option-group--service .option-label{
  height:100%;
  flex-direction:row;
  align-items:center;
  gap:10px;
  padding:10px 12px 10px 38px;
  border-radius:10px;
}

.option-group--service .option-label::before{
  width:14px;
  height:14px;
  left:14px;
  top:calc(50% - 7px);
}

.option-group--service .option-label strong{
  font-size:14px;
}

.option-group--service .option-label small{
  display:none;
}

.field-row{
  display:grid;
  grid-template-columns:repeat(2,minmax(0,1fr));
  gap:12px;
  margin:16px 0;
}

.field{
  display:flex;
  flex-direction:column;
}

.field-row label{
  margin:0 0 6px;
}

.contact-fields{
  display:flex;
  flex-direction:column;
  gap:12px;
  margin:16px 0 24px;
}

.contact-fields .field-row{
  margin:0;
}

.contact-fields__title{
  display:none;
  font-weight:700;
  font-size:16px;
  margin:0;
}

.contact-fields--card{
  background:var(--card);
  border-radius:var(--radius);
  box-shadow:var(--shadow);
  padding:18px 20px 22px;
  border:1px solid #e3e8ef;
}

.contact-fields--card .contact-fields__title{
  display:block;
  margin-bottom:8px;
}

input,textarea{
  width:100%;
  padding:12px 14px;
  border:1px solid #e3e8ef;
  border-radius:12px;
  font:inherit;
}

textarea{
  min-height:120px;
  resize:vertical;
}

.info{
  background:var(--card);
  border-radius:var(--radius);
  box-shadow:var(--shadow);
  padding:22px;
}

.info.callout{
  display:flex;
  flex-direction:column;
  justify-content:space-between;
  gap:14px;
  min-height:180px;
  background:var(--card);
  border:none;
  box-shadow:var(--shadow);
}

.info.callout h3{
  margin:0;
}

.info .row{
  display:flex;
  align-items:center;
  gap:10px;
  margin:10px 0;
}

.pill{
  display:inline-block;
  background:#e8fbff;
  border:1px solid #b7f0ff;
  color:#0a4e64;
  border-radius:999px;
  padding:4px 10px;
  font-weight:700;
}

footer{
  padding:30px 0;
  color:#8aa5b5;
  text-align:center;
}

/* Responsive */
@media (max-width: 980px){
  .cards{grid-template-columns:1fr 1fr}
  .pricing{grid-template-columns:1fr}
  .contact{padding:0}
  .option-group--service{grid-template-columns:repeat(2,minmax(0,1fr))}
}

@media (max-width: 560px){
  .nav a:not(.brand){display:none}
  .cards{grid-template-columns:1fr}
  .hero{padding:40px 0 54px}
  .option-group--service{grid-template-columns:1fr}
}
.hidden{display:none}

.field-row.hidden{
  display:none;
}

.field-row.active{
  display:grid;
}