:root{--bg:#0b0b0f;--card:#111319;--text:#ededed;--muted:#a3a3a3;--brand:#3b82f6}html,body{background:var(--bg);color:var(--text);margin:0;padding:0;font-family:ui-sans-serif,system-ui,-apple-system,Segoe UI,Roboto,Helvetica,Arial,Apple Color Emoji,Segoe UI Emoji}.container{max-width:1100px;margin:0 auto;padding:0 16px}.site-header{-webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px);border-bottom:1px solid #1f2430;position:sticky;top:0}.site-header .container{justify-content:space-between;align-items:center;height:64px;display:flex}.logo{letter-spacing:.4px;color:var(--text);font-size:1.15rem;font-weight:700;text-decoration:none}.nav{align-items:center;gap:14px;display:flex}.nav a{color:var(--text);opacity:.9;text-decoration:none}.nav a:hover{opacity:1}.langs{border-left:1px solid #1f2430;align-items:center;gap:8px;margin-left:4px;padding-left:12px;display:flex}.page{min-height:calc(100vh - 128px)}.site-footer{border-top:1px solid #1f2430;align-items:center;height:64px;display:flex}.btn{border-radius:10px;justify-content:center;align-items:center;padding:10px 14px;font-weight:600;text-decoration:none;display:inline-flex}.btn-primary{background:var(--brand);color:#fff!important}.btn-primary:hover{filter:brightness(1.1)}