:root{--blue:#2f6bd0;--cyan:#4fc3ea;--navy:#0f2342;--ink:#1f2a37;--muted:#5b6776;--soft:#f3f7fc;--line:#dfe6ef;--r:14px}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font:17px/1.65 system-ui,-apple-system,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;color:var(--ink);background:#fff}
img{max-width:100%;height:auto}
a{color:var(--blue)}
.wrap{max-width:1140px;margin:0 auto;padding:0 22px}
.wrap.narrow{max-width:800px}

/* header */
.site-header{position:sticky;top:0;z-index:50;background:#fff;border-bottom:1px solid var(--line)}
.bar{display:flex;align-items:center;justify-content:space-between;gap:20px;min-height:76px}
.logo img{display:block;height:54px;width:auto}
.main-nav{display:flex;align-items:center;gap:22px}
.main-nav ul{display:flex;gap:20px;list-style:none;margin:0;padding:0}
.main-nav li a{color:var(--ink);text-decoration:none;font-weight:500;font-size:15.5px;padding:6px 0;border-bottom:2px solid transparent}
.main-nav li a:hover,.main-nav li a.on{color:var(--blue);border-color:var(--cyan)}
.burger-cb{display:none}
.burger{display:none;width:42px;height:42px;cursor:pointer;position:relative}
.burger span,.burger span:before,.burger span:after{content:"";position:absolute;left:9px;right:9px;height:2px;background:var(--ink);transition:.2s}
.burger span{top:20px}.burger span:before{top:-7px;left:0;right:0}.burger span:after{top:7px;left:0;right:0}

/* boutons */
.btn{display:inline-block;background:linear-gradient(135deg,var(--blue),var(--cyan));color:#fff!important;text-decoration:none;font-weight:600;padding:12px 26px;border-radius:999px;border:0;transition:transform .15s,box-shadow .15s}
.btn:hover{transform:translateY(-2px);box-shadow:0 8px 20px rgba(47,107,208,.3)}
.btn-sm{padding:9px 20px;font-size:15px}
.btn-alt{background:#fff;color:var(--blue)!important;box-shadow:inset 0 0 0 2px var(--blue)}
.btn-wrap{margin:1.2em 0}

/* sections */
.blk{padding:64px 0}
.blk:nth-of-type(even){background:var(--soft)}
.row{display:flex;flex-wrap:wrap;gap:36px;align-items:flex-start}
.row.inner{margin:10px 0}
.col{flex:1 1 300px;min-width:0}
.col>*:first-child{margin-top:0}
h1,h2,h3,h4{line-height:1.2;color:var(--navy);margin:1.3em 0 .5em}
h1{font-size:clamp(2rem,4.5vw,3.2rem);margin-top:0}
h2{font-size:clamp(1.55rem,3vw,2.1rem)}
h3{font-size:1.25rem}
p{margin:.8em 0}
.txt ul,.txt ol{padding-left:1.3em}
.txt li{margin:.35em 0}
figure{margin:0 0 1em}
figure img{display:block;margin:0 auto;border-radius:10px;max-height:460px;width:auto;max-width:100%}
.feat img{width:100%;border-radius:var(--r)}
hr{border:0;border-top:1px solid var(--line);margin:2em 0}

/* hero */
.hero{background:linear-gradient(135deg,var(--navy),#1c4c96 70%,#2a79c9)!important;color:#fff;padding:92px 0 84px}
.hero h1,.hero h2,.hero h3{color:#fff}
.hero p,.hero .txt{color:#e6eefb}
.hero a:not(.btn){color:#9be0f7}
.hero .row{align-items:center}
.hero-sm{padding:58px 0 48px}
.hero .date{opacity:.8;font-size:.95rem}

/* cartes, listes */
.card{background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:24px;box-shadow:0 4px 18px rgba(15,35,66,.05);text-align:center;height:100%}
.card img{max-height:150px;width:auto;margin:0 auto 12px;display:block}
.card h3{margin-top:.3em}
.card a{text-decoration:none}
.checks{list-style:none;padding:0;margin:.6em 0}
.checks li{padding:6px 0 6px 30px;position:relative}
.checks li:before{content:"✓";position:absolute;left:0;color:var(--blue);font-weight:700}
.gen img{margin:6px auto}

/* FAQ */
.faq details{background:#fff;border:1px solid var(--line);border-radius:12px;margin:12px 0;overflow:hidden}
.faq summary{cursor:pointer;font-weight:600;padding:16px 20px;color:var(--navy);list-style:none}
.faq summary::-webkit-details-marker{display:none}
.faq summary:after{content:"+";float:right;color:var(--blue);font-size:1.4em;line-height:1}
.faq details[open] summary:after{content:"–"}
.faq .det{padding:0 20px 16px}

/* contact */
.contact-box{background:linear-gradient(135deg,#eef5fe,#e3f4fb);border:1px solid var(--line);border-radius:var(--r);padding:34px;text-align:center}
.contact-box h2{margin-top:0}
.contact-lines{display:flex;flex-wrap:wrap;gap:14px;justify-content:center}

/* footer */
.site-footer{background:var(--navy);color:#c7d3e6;padding:54px 0 0;margin-top:0}
.site-footer a{color:#c7d3e6;text-decoration:none}
.site-footer a:hover{color:#fff}
.foot{display:grid;grid-template-columns:1.2fr 1fr 1fr 1fr;gap:34px}
.site-footer h3{color:#fff;font-size:1rem;margin:0 0 .6em;text-transform:uppercase;letter-spacing:.06em}
.site-footer ul{list-style:none;padding:0;margin:0}
.site-footer li{margin:.3em 0}
.flogo{width:170px;display:block;margin-bottom:12px}
.flogo2{width:150px;display:block}
.legal{margin-top:40px;padding-top:18px;padding-bottom:22px;border-top:1px solid rgba(255,255,255,.12);font-size:14px;color:#8fa1bd}

@media (max-width:900px){
  .burger{display:block}
  .main-nav{display:none;position:absolute;left:0;right:0;top:76px;background:#fff;border-bottom:1px solid var(--line);flex-direction:column;align-items:flex-start;padding:16px 22px 22px;gap:14px}
  .main-nav ul{flex-direction:column;gap:6px}
  .burger-cb:checked~.main-nav{display:flex}
  .foot{grid-template-columns:1fr 1fr}
  .blk{padding:44px 0}
  .hero{padding:60px 0}
}
@media (max-width:560px){.foot{grid-template-columns:1fr}}