:root{--primary-color: #f8fafc;--secondary-color: #3b82f6;--bg-color: #0f172a;--text-color: #94a3b8;--card-bg: #1e293b;--border-color: #334155}*{box-sizing:border-box;margin:0;padding:0}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica,Arial,sans-serif;background-color:var(--bg-color);color:var(--text-color);line-height:1.6;-webkit-font-smoothing:antialiased;padding-top:60px}.navbar{position:fixed;top:0;left:0;width:100%;height:60px;background:#0f172ab3;backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);border-bottom:1px solid rgba(255,255,255,.1);display:flex;justify-content:space-between;align-items:center;padding:0 5%;z-index:1000}.nav-brand{font-weight:700;font-size:1.2rem;color:var(--primary-color);text-decoration:none;letter-spacing:-.5px}.nav-brand:hover{color:var(--secondary-color)}.container{max-width:900px;margin:0 auto;padding:2rem}.hero{text-align:center;padding:4rem 0;border-bottom:1px solid var(--border-color);margin-bottom:3rem}.hero h1{font-size:3rem;color:var(--primary-color);margin-bottom:.5rem;letter-spacing:-.02em}.subtitle{font-size:1.25rem;color:#64748b;font-weight:300}.intro{margin-bottom:3rem;text-align:center;max-width:600px;margin-left:auto;margin-right:auto}.intro h2{font-size:1.75rem;margin-bottom:1rem;color:var(--primary-color)}.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:2rem;margin-bottom:4rem}.card{background:var(--card-bg);border-radius:8px;box-shadow:0 4px 6px #0000004d;transition:transform .2s ease,box-shadow .2s ease;overflow:hidden;display:flex;flex-direction:column}.card img{width:100%;height:auto;border-bottom:1px solid var(--border-color);display:block}.card-content{padding:2rem;flex-grow:1}.card:hover{transform:translateY(-5px);box-shadow:0 10px 15px #00000080}.card-content h3{color:var(--primary-color);margin-bottom:1rem}footer{text-align:center;padding-top:2rem;border-top:1px solid var(--border-color);color:#64748b;font-size:.9rem}.lang-switcher{display:flex;gap:.5rem}input[type=text]{width:100%;padding:1rem;border:1px solid var(--border-color);border-radius:8px;background:#0f172a;color:#f8fafc;margin-bottom:1.5rem;box-sizing:border-box;font-size:1rem}input[type=text]:focus{outline:none;border-color:var(--secondary-color)}.btn-primary{width:100%;padding:1rem;background:var(--secondary-color);color:#fff;border:none;border-radius:8px;font-weight:600;font-size:1.1rem;cursor:pointer;transition:transform .2s,background .2s}.btn-primary:hover{background:#2563eb;transform:translateY(-2px)}.btn-primary:disabled{background:#475569;cursor:not-allowed;transform:none}.error{color:#ef4444;background:#ef44441a;border:1px solid #ef4444;padding:1rem;border-radius:8px;margin-bottom:2rem;text-align:center}.spinner{display:inline-block;width:20px;height:20px;border:3px solid rgba(255,255,255,.3);border-radius:50%;border-top-color:#fff;animation:spin 1s ease-in-out infinite;vertical-align:middle;margin-right:10px}@keyframes spin{to{transform:rotate(360deg)}}.lang-switcher button{background:transparent;border:1px solid var(--border-color);color:var(--text-color);padding:.25rem .5rem;border-radius:4px;cursor:pointer;font-size:.85rem;transition:all .2s}.lang-switcher button:hover{background:#ffffff1a}.lang-switcher button.active{background:var(--secondary-color);color:#fff;border-color:var(--secondary-color)}