:root{--ink:#14202B;--text:#46535F;--line:#DCE3E8;--accent:#1F7FB8}
*{box-sizing:border-box}body{margin:0;min-height:100vh;display:flex;flex-direction:column;background:#F5F8FA;color:var(--text);font:400 18px/1.6 system-ui,-apple-system,"Segoe UI",Roboto,sans-serif}
html[data-lang="en"] [lang="fr"],html[data-lang="fr"] [lang="en"]{display:none!important}
main{flex:1;display:flex;align-items:center;justify-content:center;padding:40px 16px}
.box{max-width:560px;width:100%;background:#fff;border:1px solid var(--line);border-radius:14px;padding:clamp(28px,6vw,52px);text-align:center}
.box img{max-width:220px;max-height:110px;margin:0 auto 28px;display:block}
h1{color:var(--ink);font-size:clamp(26px,4vw,34px);line-height:1.2;margin:0 0 16px;letter-spacing:-.01em}
p{margin:0 0 14px}a{color:var(--accent)}
.lang{display:inline-flex;border:1px solid var(--line);border-radius:999px;overflow:hidden;margin-top:18px}
.lang button{font:600 13px system-ui,sans-serif;border:0;background:none;padding:6px 12px;cursor:pointer;color:var(--text)}
.lang button[aria-pressed="true"]{background:var(--ink);color:#fff}
button:focus-visible,a:focus-visible{outline:3px solid var(--accent);outline-offset:2px}
footer{text-align:center;font-size:14px;color:#7A8792;padding:0 16px 28px}