:root{
  --imperial:#00296b; --french:#003f88; --steel:#00509d;
  --gold:#ffd500; --schoolbus:#fdc500; --paper:#fbfcfe;
  --ink:#1d2942; --muted:#46546f; --line:rgba(0,80,157,.16);
  --display:"Fraunces",Georgia,serif; --body:"Inter",system-ui,sans-serif;
  --maxw:1080px;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;scroll-padding-top:84px}
body{font-family:var(--body);color:var(--ink);background:var(--paper);line-height:1.65;-webkit-font-smoothing:antialiased}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 28px}
a{color:var(--steel)}
img{max-width:100%}
.eyebrow{font-size:13px;font-weight:600;letter-spacing:.16em;text-transform:uppercase;color:var(--steel)}
.skip{position:absolute;left:-999px;top:0;background:var(--gold);color:var(--imperial);padding:10px 16px;border-radius:6px;font-weight:700;z-index:100}
.skip:focus{left:12px;top:12px}

/* Buttons */
.btn{font-family:var(--body);font-weight:700;font-size:15px;border:0;border-radius:8px;padding:12px 20px;cursor:pointer;text-decoration:none;display:inline-block;transition:transform .15s ease,background .15s ease,border-color .15s ease,color .15s ease}
.btn-gold{background:var(--gold);color:var(--imperial)}
.btn-gold:hover{background:var(--schoolbus);transform:translateY(-2px)}
.btn-ghost{color:#fff;border:1px solid rgba(255,255,255,.45);background:transparent}
.btn-ghost:hover{border-color:var(--gold);color:var(--gold)}
.btn-line{color:var(--steel);border:1px solid var(--line);background:#fff}
.btn-line:hover{border-color:var(--steel)}
.btn-dark{background:var(--imperial);color:#fff}
.btn-dark:hover{background:var(--french);transform:translateY(-2px)}

/* Nav */
.nav{position:sticky;top:0;z-index:50;background:rgba(251,252,254,.95);backdrop-filter:saturate(140%) blur(8px);border-bottom:1px solid var(--line)}
.nav .wrap{display:flex;align-items:center;justify-content:space-between;height:64px;gap:18px;position:relative}
.brand{display:flex;align-items:baseline;gap:10px;text-decoration:none}
.brand .rnbh{font-family:var(--display);font-weight:900;font-size:23px;color:var(--imperial);letter-spacing:.02em}
.brand .full{font-size:12px;color:var(--steel);font-weight:500;display:none}
.nav nav{display:flex;align-items:center;gap:24px}
.nav nav a{font-size:14.5px;font-weight:500;color:var(--muted);text-decoration:none}
.nav nav a:hover{color:var(--imperial)}
.nav nav a.active{color:var(--imperial);font-weight:600}
.nav nav a.btn{padding:9px 16px;font-size:14px;color:var(--imperial)}
.burger{display:none;flex-direction:column;justify-content:center;gap:5px;width:44px;height:38px;border:1px solid var(--line);border-radius:8px;background:#fff;cursor:pointer;padding:0 10px}
.burger span{display:block;height:2px;border-radius:2px;background:var(--imperial)}
@media(min-width:981px){.brand .full{display:inline}}

/* Hero (home) */
.hero{background:repeating-linear-gradient(90deg,rgba(255,255,255,.035) 0 1px,transparent 1px 46px),linear-gradient(160deg,var(--imperial),var(--french));color:#fff;overflow:hidden}
.hero .wrap{display:grid;grid-template-columns:1.1fr .9fr;gap:48px;align-items:center;padding-top:72px;padding-bottom:80px}
.hero .eyebrow{color:var(--gold)}
.hero h1{font-family:var(--display);font-weight:800;color:#fff;font-size:clamp(38px,6vw,66px);line-height:1.03;letter-spacing:-.01em;margin:16px 0 18px}
.hero h1 .em{color:var(--gold);font-style:italic;font-weight:600}
.hero p.lead{font-size:18px;color:rgba(255,255,255,.87);max-width:46ch}
.cta-row{display:flex;gap:14px;align-items:center;margin-top:28px;flex-wrap:wrap}
.credit{margin-top:24px;font-size:13px;color:rgba(255,255,255,.7)}
.credit b{color:#fff;font-weight:600}
.hero-media{position:relative;padding-bottom:30px}
.hero-photo{display:block;width:100%;aspect-ratio:4/5;object-fit:cover;object-position:center;border-radius:14px;box-shadow:0 30px 60px -24px rgba(0,12,40,.65)}
.hero-media .card{position:absolute;left:-26px;bottom:-8px;max-width:226px;margin:0}

/* Library card */
.card{background:#fff;color:var(--imperial);border-radius:12px;padding:20px 20px 16px;box-shadow:0 30px 60px -24px rgba(0,12,40,.6);transform:rotate(-3deg);transition:transform .25s ease;border:1px solid rgba(0,80,157,.18);max-width:330px}
.card:hover{transform:rotate(-1deg) translateY(-4px)}
.card .ct{font-size:10.5px;letter-spacing:.22em;text-transform:uppercase;color:var(--steel);font-weight:700}
.card .cn{font-family:var(--display);font-weight:900;font-size:20px;margin:4px 0 13px}
.card .cf{border-bottom:1px solid rgba(0,80,157,.22);padding:7px 0;display:flex;justify-content:space-between;font-size:12px;color:var(--steel)}
.card .cf b{color:var(--imperial);font-weight:600}
.bc{height:38px;margin-top:14px;border-radius:3px;background:repeating-linear-gradient(90deg,var(--imperial) 0 2px,#fff 2px 4px,var(--imperial) 4px 7px,#fff 7px 9px,var(--imperial) 9px 10px,#fff 10px 13px,var(--imperial) 13px 16px,#fff 16px 17px)}
.card .code{text-align:center;font-size:10.5px;letter-spacing:.3em;color:var(--steel);margin-top:6px}

/* Interior page header */
.page-head{background:repeating-linear-gradient(90deg,rgba(255,255,255,.035) 0 1px,transparent 1px 46px),linear-gradient(160deg,var(--imperial),var(--french));color:#fff}
.page-head .wrap{padding:56px 28px 52px}
.page-head .eyebrow{color:var(--gold)}
.page-head h1{font-family:var(--display);font-weight:800;font-size:clamp(32px,5vw,52px);line-height:1.04;margin:13px 0 14px}
.page-head p{font-size:17.5px;color:rgba(255,255,255,.87);max-width:62ch}

/* Stats strip */
.stats{background:var(--imperial);color:#fff}
.stats .wrap{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;padding:26px 28px}
.stat .k{font-family:var(--display);font-weight:800;font-size:26px;color:var(--gold)}
.stat .v{font-size:14px;color:rgba(255,255,255,.82);margin-top:2px}

/* Sections */
section{padding:70px 0;border-bottom:1px solid var(--line)}
section:last-of-type{border-bottom:0}
.sec-head{max-width:62ch;margin-bottom:30px}
.sec-head h2{font-family:var(--display);font-weight:800;font-size:clamp(26px,3.4vw,38px);color:var(--imperial);line-height:1.1;margin:10px 0 12px;letter-spacing:-.01em}
.sec-head p{font-size:17px;color:var(--muted)}
.prose p{font-size:16.5px;color:#2b3a57;max-width:68ch;margin-bottom:16px}
.lead-line{font-size:17.5px;color:#2b3a57;max-width:76ch;margin:0 0 4px}

.grid2{display:grid;grid-template-columns:1fr 1fr;gap:26px;margin-top:8px}
.grid3{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;margin-top:8px}
.panel{background:#fff;border:1px solid var(--line);border-radius:12px;padding:26px}
.panel h3{font-family:var(--display);font-weight:700;font-size:20px;color:var(--imperial);margin-bottom:8px}
.panel p{color:var(--muted);font-size:15.5px}
.flist{list-style:none;display:grid;gap:11px;margin-top:6px}
.flist li{display:flex;gap:12px;font-size:15.5px;color:#23324d}
.flist .dot{width:9px;height:9px;border-radius:2px;background:var(--gold);margin-top:8px;flex:none}
.figimg{width:100%;aspect-ratio:4/3;object-fit:cover;object-position:center;border-radius:12px;border:1px solid var(--line);background:var(--gold)}

/* Icon tiles, pillars & features */
.ic{width:44px;height:44px;border-radius:11px;background:#eef4fb;color:var(--steel);display:flex;align-items:center;justify-content:center;margin-bottom:14px;flex:none}
.ic svg{width:23px;height:23px;display:block}
.pillars{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin-top:26px}
.pillar{background:#fff;border:1px solid var(--line);border-radius:14px;padding:26px}
.pillar h3{font-family:var(--display);font-weight:700;font-size:19px;color:var(--imperial);margin-bottom:7px}
.pillar p{font-size:15px;color:var(--muted)}
.features{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin-top:8px}
.feature{background:#fff;border:1px solid var(--line);border-radius:12px;padding:20px 18px}
.feature .ic{margin-bottom:12px}
.feature h4{font-size:14.5px;font-weight:700;color:var(--imperial);margin-bottom:4px;line-height:1.3}
.feature p{font-size:13px;color:var(--muted);line-height:1.5}

/* Steps */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin-top:10px}
.step{position:relative;padding-top:20px}
.step::before{content:"";position:absolute;top:8px;left:0;width:26px;height:3px;background:var(--gold)}
.step .n{font-family:var(--display);font-weight:900;font-size:30px;color:var(--steel);opacity:.5;line-height:1}
.step h4{font-size:15px;color:var(--imperial);margin:8px 0 5px;font-weight:700}
.step p{font-size:13.5px;color:var(--muted)}

/* Note */
.note{background:#eef4fb;border:1px solid var(--line);border-left:4px solid var(--steel);border-radius:0 10px 10px 0;padding:18px 20px;margin-bottom:26px}
.note .tag{font-size:11px;letter-spacing:.14em;text-transform:uppercase;color:var(--steel);font-weight:700}
.note p{font-size:15px;color:#2b3a57;margin-top:4px}

/* Accent CTA */
.accent{background:var(--gold);border-radius:16px;padding:44px;display:flex;align-items:center;justify-content:space-between;gap:28px;flex-wrap:wrap}
.accent h2{font-family:var(--display);font-weight:800;font-size:clamp(24px,3.2vw,34px);color:var(--imperial);max-width:20ch;line-height:1.08}
.accent .sub{color:var(--imperial);opacity:.82;font-size:15px;margin-top:8px;max-width:42ch}

/* Contact */
.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:26px;margin-top:8px}
.contact-card{background:#fff;border:1px solid var(--line);border-radius:12px;padding:24px}
.contact-card .k{font-size:12px;letter-spacing:.12em;text-transform:uppercase;color:var(--steel);font-weight:700;margin-bottom:8px}
.contact-card a{font-weight:600;text-decoration:none}
.contact-card p{color:var(--muted);font-size:15px}

/* Form (rejoindre) */
.form-card{background:#fff;border:1px solid var(--line);border-radius:14px;padding:14px;box-shadow:0 24px 50px -30px rgba(0,12,40,.4)}
.form-frame{width:100%;min-height:680px;border:0;border-radius:8px;display:block}
.fallback{margin-top:18px;font-size:14.5px;color:var(--muted);text-align:center}
.chips{display:flex;flex-wrap:wrap;gap:10px;margin:8px 0 0}
.chip{font-size:13px;color:var(--steel);background:#fff;border:1px solid var(--line);border-radius:999px;padding:7px 14px}
.chip b{color:var(--imperial);font-weight:700;margin-right:6px}

/* Footer */
footer{background:var(--imperial);color:#fff;padding:50px 0 40px}
footer .cols{display:flex;justify-content:space-between;gap:30px;flex-wrap:wrap}
footer .rnbh{font-family:var(--display);font-weight:900;font-size:22px}
footer .muted{color:rgba(255,255,255,.72);font-size:14px;margin-top:8px;max-width:42ch}
footer a{color:var(--gold);text-decoration:none}
footer .fnav{font-size:14.5px;line-height:1.9;text-align:right}
footer .fnav a{display:block}

@media(max-width:900px){
  .hero .wrap{grid-template-columns:1fr;gap:40px;padding-top:54px;padding-bottom:58px}
  .hero-media{max-width:420px;margin:0 auto;padding-bottom:0}
  .hero-media .card{position:static;margin:-30px auto 0;left:auto;bottom:auto;transform:rotate(-2deg)}
  .grid2,.grid3,.contact-grid{grid-template-columns:1fr}
  .pillars{grid-template-columns:1fr}
  .features,.steps{grid-template-columns:1fr 1fr}
  .burger{display:flex}
  .nav nav{display:none;position:absolute;top:64px;left:0;right:0;flex-direction:column;align-items:stretch;gap:0;background:#fff;border-bottom:1px solid var(--line);padding:6px 0;box-shadow:0 18px 30px -20px rgba(0,12,40,.4)}
  .nt:checked ~ nav{display:flex}
  .nav nav a{padding:13px 28px}
  .nav nav a.btn{margin:8px 28px;text-align:center}
  footer .fnav{text-align:left}
  footer .cols{flex-direction:column}
}
@media(max-width:480px){.stats .wrap{grid-template-columns:1fr;gap:14px}.features,.steps{grid-template-columns:1fr}.accent{padding:30px}}
:focus-visible{outline:3px solid var(--gold);outline-offset:3px;border-radius:4px}
@media(prefers-reduced-motion:reduce){*{transition:none!important;scroll-behavior:auto}}