/* Brand colours shared with index.html */
:root{--bg:#031915;--surface:#0a332e;--line:#79e5c11a;--line-2:#79e5c133;--mint:#79e5c1;--mint-btn:#8de5bf;--cream:#fff4de;--text:#eaf6f0;--muted:#a4bdae;--dim:#6f8f84;--ink:#062a26;--p-inset:#11201c;--p-line:#2a3f38}
*{box-sizing:border-box;margin:0;padding:0}
body{background:var(--bg);color:var(--text);font-family:'Inter',system-ui,-apple-system,'Segoe UI',Roboto,sans-serif;font-size:16px;line-height:1.65;-webkit-font-smoothing:antialiased}
a{color:var(--mint)}
.nav{position:sticky;top:0;z-index:10;background:#031915d9;backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);border-bottom:1px solid var(--line)}
.nav .in{max-width:820px;margin:0 auto;padding:0 16px;height:64px;display:flex;align-items:center;justify-content:space-between}
.logo{display:flex;align-items:center;gap:11px;font-family:'Inter Tight','Inter',sans-serif;font-weight:800;font-size:17px;letter-spacing:-.02em;color:var(--text);text-decoration:none}
.logo img{width:44px;height:auto}
.logo small{display:block;font-family:'Inter',sans-serif;font-size:10px;font-weight:700;letter-spacing:.14em;color:var(--dim);margin-top:-2px}
.lang{position:relative}
.lang-btn{font:inherit;display:flex;align-items:center;gap:8px;height:38px;padding:0 12px;border-radius:11px;background:var(--p-inset);border:1px solid var(--p-line);font-size:13.5px;font-weight:700;color:var(--text);cursor:pointer}
.lang-btn:hover,.lang.open .lang-btn{border-color:#79e5c166}
.lang-btn svg{width:16px;height:16px;color:var(--mint)}
.lang-btn .chev{width:12px;height:12px;color:var(--muted);transition:transform .2s}
.lang.open .chev{transform:rotate(180deg)}
.lang-menu{position:absolute;right:0;top:calc(100% + 8px);min-width:190px;background:#172622;border:1px solid var(--p-line);border-radius:14px;padding:6px;box-shadow:0 24px 60px -16px #000;display:none;z-index:20}
.lang.open .lang-menu{display:block}
.lang-menu button{font:inherit;display:flex;align-items:center;justify-content:space-between;gap:12px;width:100%;padding:9px 12px;border:0;border-radius:9px;background:none;font-size:14px;font-weight:600;color:#d2e0d9;text-align:left;cursor:pointer}
.lang-menu button small{font-size:11px;font-weight:800;letter-spacing:.08em;color:var(--dim)}
.lang-menu button:hover{background:#ffffff0a}
.lang-menu button[aria-checked="true"]{background:#79e5c11c;color:var(--mint)}
.lang-menu button[aria-checked="true"] small{color:var(--mint)}
main{max-width:820px;margin:0 auto;padding:56px 16px 80px}
h1{font-family:'Inter Tight','Inter',sans-serif;font-weight:800;font-size:clamp(30px,5vw,46px);line-height:1.08;letter-spacing:-.035em;margin-bottom:8px}
.date{color:var(--dim);font-size:14px;margin-bottom:36px}
h2{font-size:20px;margin:40px 0 12px;letter-spacing:-.015em;color:var(--cream)}
p,li{color:#d2e0d9}
p+p{margin-top:12px}
ul{margin:10px 0 0 22px}
li+li{margin-top:6px}
li::marker{color:var(--mint)}
.box{background:var(--surface);border:1px solid var(--line-2);border-radius:16px;padding:18px 20px;margin-top:14px}
table{width:100%;border-collapse:collapse;margin-top:12px;font-size:15px}
th,td{text-align:left;padding:10px 12px;border-bottom:1px solid var(--line);vertical-align:top}
th{color:var(--muted);font-weight:600}
code{font-size:.9em;background:var(--p-inset);padding:1px 5px;border-radius:5px;color:var(--cream)}
.table-wrap{overflow-x:auto}
article[hidden]{display:none}
footer{border-top:1px solid var(--line);color:var(--dim);font-size:14px}
footer .in{max-width:820px;margin:0 auto;padding:28px 16px;display:flex;flex-wrap:wrap;gap:12px 22px;justify-content:space-between}
footer b{color:var(--muted);letter-spacing:.06em}
footer a{color:var(--dim);text-decoration:none}
footer a:hover{color:var(--text)}
footer nav{display:flex;gap:22px;flex-wrap:wrap}
.fill{background:#79e5c129;color:var(--mint);border-radius:4px;padding:0 4px}