:root{color-scheme:light dark;--mint:#1DD3A9;--navy:#292767;--paper:#fff;--bg:#f5f7fb;--text:#24324a;--muted:#647089;--line:#dbe1ec}*{box-sizing:border-box}html{font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;line-height:1.65;background:var(--bg);color:var(--text)}body{margin:0}.skip{position:absolute;left:-10000px}.skip:focus{left:16px;top:8px;z-index:10;background:var(--paper);padding:8px 12px;border-radius:8px}header{background:var(--mint);padding:max(16px,env(safe-area-inset-top)) max(20px,calc((100vw - 980px)/2));display:flex;align-items:center;gap:28px;justify-content:space-between}.brand{display:flex;align-items:center;gap:12px;color:var(--navy);text-decoration:none}.brand img{width:48px;height:48px;border-radius:12px}.brand span{display:grid}.brand strong{font-size:1.4rem}.brand small{font-size:.78rem}nav{display:flex;gap:6px;flex-wrap:wrap;justify-content:flex-end}nav a{color:var(--navy);text-decoration:none;font-weight:700;padding:8px 10px;border-radius:999px}nav a[aria-current=page],nav a:hover{background:rgba(255,255,255,.72)}main{max-width:860px;margin:0 auto;padding:56px 24px 80px}.hero{padding-bottom:28px;border-bottom:1px solid var(--line)}.eyebrow{color:#087e68;text-transform:uppercase;font-weight:800;letter-spacing:.08em}h1{font-size:clamp(2.2rem,7vw,4.6rem);line-height:1.05;margin:.2em 0}.summary{font-size:1.2rem;color:var(--muted);max-width:720px}.effective{font-weight:700}section{padding:28px 0;border-bottom:1px solid var(--line)}h2{font-size:1.35rem;line-height:1.3;margin:0 0 12px}p,li{font-size:1rem}a{color:#087e68}.action a{display:inline-flex;min-height:52px;align-items:center;background:var(--navy);color:#fff;padding:0 24px;border-radius:999px;text-decoration:none;font-weight:800}.controlling{margin-top:32px;padding:18px;border-left:5px solid var(--mint);background:var(--paper);border-radius:0 12px 12px 0}.languages div{display:flex;gap:8px;flex-wrap:wrap}.languages a{border:1px solid var(--line);padding:8px 12px;border-radius:999px;text-decoration:none}.languages a[aria-current=true]{background:var(--mint);color:var(--navy);border-color:var(--mint);font-weight:800}.invite-code{font-size:1.1rem;background:var(--paper);padding:18px;border-radius:14px;word-break:break-word}footer{display:flex;gap:18px;flex-wrap:wrap;justify-content:center;padding:28px 20px calc(28px + env(safe-area-inset-bottom));border-top:1px solid var(--line);color:var(--muted)}@media(max-width:760px){header{align-items:flex-start;flex-direction:column}.brand small{display:none}nav{justify-content:flex-start}main{padding-top:36px}}@media(prefers-color-scheme:dark){:root{--paper:#202c43;--bg:#172238;--text:#f5f7fb;--muted:#b4bdd0;--line:#3b4861}.eyebrow,a{color:#64e5c7}.action a{background:var(--mint);color:var(--navy)}}@media(prefers-reduced-motion:no-preference){a{transition:background-color .15s ease,color .15s ease}}