:root{--canvas:#182b30;--panel:#1f353b;--accent:#6ECBB9;--accent-ink:#06282c;--text-primary:#e8efec;--text-secondary:#a3b6b3;--line:rgba(93,124,130,.35)}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;background:var(--canvas);color:var(--text-primary);font:400 17px/1.7 "Figtree",ui-sans-serif,system-ui,sans-serif;-webkit-font-smoothing:antialiased}
a{color:var(--accent)}
:focus-visible{outline:2px solid var(--accent);outline-offset:3px;border-radius:6px}
.top{position:sticky;top:0;z-index:5;display:flex;align-items:center;gap:18px;padding:14px clamp(16px,6vw,104px);background:rgba(22,40,45,.9);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);border-bottom:1px solid var(--line)}
.top .logo{width:108px;display:block}
.top .logo img{width:100%;height:auto;display:block}
.top .back{margin-left:auto;text-decoration:none;color:var(--text-primary);font-size:15px}
.top .back:hover{color:var(--accent)}
.lang{display:flex;border:1px solid #5d7c82;border-radius:999px;padding:3px;gap:2px}
.lang button{border:0;background:transparent;font:600 13px "Figtree",sans-serif;padding:6px 10px;border-radius:999px;cursor:pointer;color:var(--text-secondary)}
.lang button[aria-pressed="true"]{background:#eef3f1;color:#0f2226}
main{max-width:820px;margin:0 auto;padding:56px 20px 96px}
h1{margin:0 0 8px;font:600 clamp(32px,4vw,46px)/1.1 "Geologica",ui-sans-serif,sans-serif;letter-spacing:-.02em}
.upd{margin:0 0 36px;color:var(--text-secondary);font-size:15px}
h2{margin:40px 0 10px;font:600 21px/1.3 "Geologica",ui-sans-serif,sans-serif}
p,li{color:#d6e0dd}
ul{padding-left:22px}
.card{padding:18px 22px;border-radius:14px;background:var(--panel);box-shadow:inset 0 0 0 1px var(--line)}
.note{font-size:15px;color:var(--text-secondary)}
[data-l]{display:none}
html[lang="fr"] [data-l="fr"],html[lang="en"] [data-l="en"]{display:block}
footer{border-top:1px solid var(--line);padding:28px 20px;text-align:center;font-size:14px;color:var(--text-secondary)}
footer a{margin:0 10px}
@media (pointer:coarse){.lang button{min-height:44px}}