:root{
  --ice:#e3f7fe; --paper:#f4fbff; --cream:#e9f6fb;
  --ink:#004358; --ink-2:#0e4e62; --steel:#44798a; --acc:#7fd8ee;
  --night:#00212c; --night-2:#052b38; --night-3:#0a3544;
  --on-night:#dff2f9; --dim:#6d93a1;
  --sans:'Plus Jakarta Sans','Helvetica Neue',Arial,sans-serif;
  --mono:'IBM Plex Mono','SFMono-Regular',Consolas,monospace;
  color-scheme:light;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
html,body{overflow-x:hidden}
@supports (overflow:clip){html,body{overflow-x:clip}}
body{margin:0;background:var(--paper);color:var(--ink);font-family:var(--sans);
  font-size:16px;line-height:1.5;-webkit-font-smoothing:antialiased;letter-spacing:-.01em}
img{max-width:100%;display:block}
a{color:inherit}
h1,h2,h3{margin:0;font-weight:700;letter-spacing:-.032em;word-spacing:.07em;text-wrap:balance}
h1{font-size:clamp(2.4rem,6vw,4.4rem);line-height:1.02}
h2{font-size:clamp(1.5rem,2.6vw,2.1rem);line-height:1.12}
h3{font-size:clamp(1.1rem,1.6vw,1.3rem)}
p{margin:0 0 1.05em}
p:last-child{margin-bottom:0}
.rail{width:min(1200px,100%);margin-inline:auto;padding-inline:clamp(20px,4vw,48px)}
.narrow{width:min(760px,100%);margin-inline:auto;padding-inline:clamp(20px,4vw,48px)}
.btn{display:inline-flex;align-items:center;gap:12px;border-radius:999px;text-decoration:none;
  padding:.82rem 1.15rem .82rem 1.5rem;font-weight:700;font-size:.97rem;border:0;cursor:pointer;
  font-family:var(--sans);transition:transform .3s cubic-bezier(.22,1.3,.4,1),box-shadow .3s}
.btn .arrow{width:30px;height:30px;border-radius:50%;display:grid;place-items:center;flex:none}
.btn .arrow svg{width:13px;height:13px}
.btn-dark{background:var(--night);color:var(--ice);box-shadow:0 14px 30px -16px rgba(0,33,44,.9)}
.btn-dark .arrow{background:var(--acc);color:var(--night)}
.btn-dark:hover{transform:translateY(-2px)}
.btn-white{background:#fff;color:var(--ink);box-shadow:0 14px 34px -18px rgba(0,67,88,.7)}
.btn-white .arrow{background:var(--night);color:var(--acc)}
.btn-white:hover{transform:translateY(-2px)}

/* barre du haut */
.topbar{position:sticky;top:0;z-index:40;background:rgba(244,251,255,.88);
  backdrop-filter:blur(14px);border-bottom:1px solid rgba(0,67,88,.09)}
.topbar .rail{display:flex;align-items:center;gap:16px;padding-block:10px}
.topbar .home{display:flex;align-items:center;gap:10px;text-decoration:none;font-weight:700;font-size:.9rem}
.topbar .home img{width:40px;height:40px;object-fit:contain;background:var(--ice);border-radius:12px;padding:3px}
.topbar .sep{flex:1}
.topbar .back{text-decoration:none;font-size:.9rem;font-weight:500;color:var(--ink-2)}
.topbar .back:hover{color:var(--ink)}

/* en-tete d'un rapport de mission */
.chero{position:relative;background:var(--night);color:#fff;overflow:hidden;
  min-height:clamp(420px,54vw,620px);display:flex;align-items:flex-end}
.chero .ph{position:absolute;inset:0}
.chero .ph img{width:100%;height:100%;object-fit:cover}
.chero .veil{position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(0,33,44,.62) 0%,rgba(0,33,44,.74) 45%,rgba(0,33,44,.94) 100%),
             linear-gradient(90deg,rgba(14,78,98,.55),rgba(0,33,44,.25))}
.chero .rail{position:relative;z-index:2;padding-block:clamp(34px,4.6vw,62px)}
.kick{display:block;font-family:var(--mono);font-size:.68rem;letter-spacing:.22em;
  text-transform:uppercase;color:var(--acc);margin-bottom:14px}
.badge{display:inline-block;background:var(--acc);color:var(--night);border-radius:7px;
  padding:.26rem .62rem;font-size:.72rem;font-weight:800;letter-spacing:.04em;text-transform:uppercase}
.chero .clogo{margin:18px 0 10px}
.chero .clogo img{height:clamp(38px,4.4vw,56px);width:auto;max-width:260px;object-fit:contain}
.chero h1{color:#fff;max-width:14ch}
.chero .act{margin-top:10px;font-size:clamp(1rem,1.4vw,1.15rem);color:var(--on-night);opacity:.88}
.chero .hero-num{margin-top:clamp(26px,3.4vw,44px);display:flex;align-items:baseline;gap:14px;flex-wrap:wrap}
.chero .hero-num b{font-size:clamp(2.6rem,6.6vw,5rem);font-weight:800;letter-spacing:-.05em;line-height:1;color:#fff}
.chero .hero-num span{font-size:.98rem;color:var(--on-night);opacity:.85}

/* bandeau de chiffres */
.cstats{background:var(--night-2);color:var(--on-night);padding-block:clamp(24px,3vw,38px)}
.cstats .rail{display:grid;grid-template-columns:repeat(3,1fr);gap:clamp(14px,2vw,28px)}
.cstats .st{min-width:0}
.cstats .st b{display:block;font-size:clamp(1.5rem,2.6vw,2.1rem);font-weight:800;
  letter-spacing:-.04em;color:#fff;line-height:1.05}
.cstats .st span{display:block;margin-top:6px;font-size:.88rem;opacity:.78;line-height:1.4}
@media(max-width:700px){.cstats .rail{grid-template-columns:1fr}}

/* corps du rapport */
.cbody{padding-block:clamp(50px,6vw,86px);background:var(--paper)}
.bloc{background:#fff;border-radius:20px;padding:clamp(24px,3.2vw,44px);
  box-shadow:0 26px 60px -46px rgba(0,67,88,.6);margin-bottom:clamp(16px,2vw,26px)}
.bloc:last-child{margin-bottom:0}
.bloc h2{margin-bottom:16px}
.bloc p{font-size:1.03rem;line-height:1.66;color:var(--ink-2)}
.bloc b{color:var(--ink)}
.bloc .note{font-family:var(--mono);font-size:.66rem;letter-spacing:.18em;text-transform:uppercase;
  color:var(--steel);margin-bottom:10px}
.bloc.sombre{background:var(--night);color:var(--on-night)}
.bloc.sombre h2{color:#fff}
.bloc.sombre p{color:var(--on-night);opacity:.9}
.bloc.sombre b{color:#fff}
.bloc.sombre .note{color:var(--acc)}
.pts{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:11px}
.pts li{display:flex;gap:11px;align-items:flex-start;font-size:1rem;line-height:1.55;color:var(--ink-2)}
.pts li::before{content:"";flex:none;width:9px;height:9px;margin-top:8px;border-radius:3px;background:var(--acc)}
.sombre .pts li{color:var(--on-night)}

/* appel a l'action de fin */
.cend{background:var(--ice);padding-block:clamp(50px,6vw,84px);text-align:center}
.cend h2{max-width:22ch;margin-inline:auto}
.cend p{margin-top:14px;max-width:52ch;margin-inline:auto;color:var(--ink-2)}
.cend .btn{margin-top:clamp(22px,2.6vw,32px)}

/* page de texte legal */
.legal{padding-block:clamp(44px,5.4vw,78px)}
.legal h1{font-size:clamp(1.9rem,3.6vw,2.7rem)}
.legal h2{margin-top:clamp(30px,3.4vw,44px);margin-bottom:12px;font-size:clamp(1.15rem,1.8vw,1.4rem)}
.legal p,.legal li{font-size:1rem;line-height:1.68;color:var(--ink-2)}
.legal ul{padding-left:1.1rem;margin:0 0 1.05em}
.legal li{margin-bottom:.4em}
.legal .maj{font-family:var(--mono);font-size:.72rem;letter-spacing:.14em;text-transform:uppercase;color:var(--steel)}
.legal dl{margin:0 0 1.05em}
.legal dt{font-weight:700;color:var(--ink);margin-top:.7em}
.legal dd{margin:0;color:var(--ink-2)}

footer{background:#001923;color:var(--dim);padding-block:clamp(34px,4vw,52px);font-size:.9rem}
footer .rail{display:flex;flex-wrap:wrap;gap:14px 26px;align-items:center}
footer a{color:var(--dim);text-decoration:none}
footer a:hover{color:#fff}
footer .sep{flex:1}
@media(prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important}}