*,:before,:after{box-sizing:border-box}:root{--brand-50:#eef6ff;--brand-100:#d9eaff;--brand-200:#b7d6ff;--brand-300:#89bbff;--brand-400:#5b9dff;--brand-500:#2b78ff;--brand-600:#1f5fe0;--brand-700:#184bb3;--brand-800:#123985;--brand-900:#0d2a5f;--accent-500:#18a999;--danger-500:#e64b4b;--warning-500:#f0b429;--success-500:#2bb673;--bg:#0b1220;--bg-alt:#0f1a2e;--surface:#121c33;--surface-2:#16223d;--fg:#e8eefc;--muted:#b7c0d8;--border:#ffffff14;--link:var(--brand-400);--radius-sm:10px;--radius-md:16px;--radius-lg:20px;--shadow-sm:0 2px 8px #00000026;--shadow-md:0 8px 24px #0000003d;--shadow-lg:0 16px 40px #00000047;--space-4:4px;--space-8:8px;--space-12:12px;--space-16:16px;--space-20:20px;--space-24:24px;--space-32:32px;--space-40:40px;--space-48:48px;--space-64:64px;--space-96:96px;--ff-base:ui-sans-serif,system-ui,-apple-system,Segoe UI,Roboto,"Helvetica Neue",Inter,Arial,"Noto Sans","Apple Color Emoji","Segoe UI Emoji","Segoe UI 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6px;font-size:12px}.hr{height:1px;margin:var(--space-24)0;background:#ffffff1a;border:0}.header{z-index:900;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);background:linear-gradient(#0a101ee6,#0a101e99);border-bottom:1px solid #ffffff0f;position:sticky;top:0}.header-inner{width:min(100% - 2*var(--gutter),var(--container));justify-content:space-between;align-items:center;gap:var(--space-16);margin-inline:auto;padding:14px 0;display:flex}.brand-group{align-items:center;gap:var(--space-16);flex-wrap:wrap;display:flex}.brand{letter-spacing:-.02em;color:var(--fg);align-items:center;gap:10px;font-weight:800;text-decoration:none;display:inline-flex}.brand:hover{color:#fff;text-decoration:none}.brand img{filter:drop-shadow(0 2px 4px #0006)}.header-right{align-items:center;gap:var(--space-12);flex-wrap:wrap;justify-content:flex-end;display:flex}.nav{align-items:center;gap:var(--space-12);flex-wrap:wrap;display:flex}.nav a{color:#ffffffd1;text-underline-offset:4px;border-radius:999px;padding:6px 10px;font-weight:600;text-decoration-thickness:2px}.nav a:hover{color:#fff;background:#ffffff0f;text-decoration:none}.lang-select-container{background:#ffffff0a;border:1px solid #ffffff1f;border-radius:999px;align-items:center;gap:8px;padding:6px 10px;display:flex}.globe-icon img{filter:invert();opacity:.9}.lang-select{font:inherit;color:var(--fg);cursor:pointer;background:0 0;border:0}.lang-select:focus{outline:2px solid var(--brand-300);outline-offset:2px;border-radius:10px}.btn{--btn-bg:var(--surface);--btn-color:var(--fg);--btn-bd:#ffffff1a;border:1px solid var(--btn-bd);background:var(--btn-bg);color:var(--btn-color);transition:transform var(--hover),box-shadow var(--hover),background var(--hover),color var(--hover),border-color var(--hover);border-radius:999px;justify-content:center;align-items:center;gap:10px;padding:10px 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