@import url("https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700;800&display=swap");:root{--primary:#4f46e5;--primary-hover:#4338ca;--bg:#f8fafc;--text-main:#0f172a;--text-muted:#64748b;--card-bg:#fff;--border:#e2e8f0;--success:#10b981;--error:#ef4444}*{box-sizing:border-box;padding:0;margin:0}body{font-family:Inter,-apple-system,sans-serif;background-color:var(--bg);color:var(--text-main);line-height:1.6}.container{max-width:1000px;margin:0 auto;padding:4rem 1.5rem}.header-nav{display:flex;justify-content:flex-end;margin-bottom:2rem}.lang-toggle{background:#fff;border:1px solid var(--border);padding:.5rem 1rem;border-radius:.75rem;font-weight:600;cursor:pointer;font-size:.875rem;color:var(--text-muted);transition:all .2s;box-shadow:0 1px 2px rgba(0,0,0,.05)}.lang-toggle:hover{border-color:var(--primary);color:var(--primary)}.main-title{font-size:3.5rem;font-weight:800;text-align:center;letter-spacing:-.05em;margin-bottom:1rem;background:linear-gradient(135deg,#4f46e5,#7c3aed);-webkit-background-clip:text;-webkit-text-fill-color:transparent}.sub-title{text-align:center;font-size:1.25rem;color:var(--text-muted);margin-bottom:4rem;font-weight:500}.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(320px,1fr));grid-gap:2rem;gap:2rem;margin-top:3rem;animation:fadeInUp .6s ease-out}@keyframes fadeInUp{0%{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border-width:0}