:root{--primary-color: #4A90E2;--primary-dark: #2E5C8A;--secondary-color: #6B9BD1;--text-primary: #ffffff;--text-secondary: #cccccc;--background: #000000;--background-alt: #0f0f0f;--background-card: #1a1a1a;--border: #333333;--success: #10b981;--shadow: rgba(0, 0, 0, .3)}*{margin:0;padding:0;box-sizing:border-box}html{scroll-behavior:smooth}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica Neue,Arial,sans-serif;line-height:1.6;color:var(--text-primary);background-color:var(--background);overflow-x:hidden;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}a{color:var(--primary-color);text-decoration:none;transition:color .3s}a:hover{color:var(--secondary-color)}img{max-width:100%;height:auto}.container{max-width:1200px;margin:0 auto;padding:0 20px}.site-header{background-color:var(--background);box-shadow:0 2px 4px var(--shadow);position:sticky;top:0;z-index:1000}.site-header nav{display:flex;justify-content:space-between;align-items:center;padding:1rem 20px;max-width:1200px;margin:0 auto}.logo{font-size:1.5rem;font-weight:700;color:var(--primary-color);text-decoration:none}.logo:hover{color:var(--primary-color)}.nav-links{display:flex;list-style:none;gap:2rem;align-items:center}.nav-links a{color:var(--text-primary);font-weight:500;transition:color .3s;text-decoration:none}.nav-links a:hover,.nav-links a[aria-current=page]{color:var(--primary-color)}.lang-switch{background:var(--background-card);color:var(--text-primary);border:1px solid var(--border);padding:.3rem .8rem;border-radius:6px;font-weight:600;font-size:.85rem;text-decoration:none;transition:all .3s}.lang-switch:hover{background:var(--primary-color);color:#fff;border-color:var(--primary-color)}.hero{background:linear-gradient(135deg,var(--primary-color) 0%,var(--secondary-color) 100%);color:#fff;padding:5rem 0;text-align:center}.hero h1{font-size:3rem;margin-bottom:1rem}.hero .subtitle{font-size:1.5rem;margin-bottom:1rem;opacity:.9}.hero .description{font-size:1.1rem;margin-bottom:2rem;max-width:700px;margin-left:auto;margin-right:auto;opacity:.95}.cta-buttons{display:flex;gap:1rem;justify-content:center;flex-wrap:wrap}.btn{display:inline-block;padding:.75rem 2rem;text-decoration:none;border-radius:8px;font-weight:600;transition:all .3s;cursor:pointer}.btn-primary{background-color:#fff;color:var(--primary-color)}.btn-primary:hover{transform:translateY(-2px);box-shadow:0 4px 12px #0003;color:var(--primary-color)}.btn-secondary{background-color:var(--primary-color);color:#fff}.btn-secondary:hover{background-color:var(--primary-dark);color:#fff;transform:translateY(-2px)}.btn-large{padding:1rem 3rem;font-size:1.1rem}section{padding:4rem 0}section h2{text-align:center;font-size:2.5rem;margin-bottom:3rem;color:var(--text-primary)}.section-alt{background-color:var(--background-alt)}.cards-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:2rem}.card{background:var(--background-card);padding:2rem;border-radius:12px;transition:all .3s;border:1px solid var(--border);text-decoration:none;color:inherit;display:block}.card:hover{transform:translateY(-5px);box-shadow:0 8px 16px var(--shadow);color:inherit}.card-icon{font-size:3rem;margin-bottom:1rem}.card h3{font-size:1.3rem;margin-bottom:.5rem;color:var(--primary-color)}.card p{color:var(--text-secondary);line-height:1.6}.card .category{display:inline-block;background:var(--background);color:var(--text-secondary);padding:.2rem .6rem;border-radius:4px;font-size:.8rem;margin-top:1rem}.stats-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:2rem}.stat-card{background:var(--background-card);padding:2rem;border-radius:12px;text-align:center;box-shadow:0 4px 6px var(--shadow);transition:transform .3s;border:1px solid var(--border)}.stat-card:hover{transform:translateY(-5px)}.stat-icon{font-size:3rem;margin-bottom:1rem}.stat-card h3{font-size:1.5rem;margin-bottom:.5rem;color:var(--primary-color)}.stat-card p{color:var(--text-secondary)}.download-section{background:linear-gradient(135deg,var(--primary-color) 0%,var(--secondary-color) 100%);color:#fff;text-align:center;padding:4rem 0}.download-section h2{color:#fff}.download-section p{font-size:1.2rem;margin-bottom:2rem}.site-footer{background-color:#111;color:var(--text-secondary);padding:3rem 0 1rem}.footer-content{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:2rem;margin-bottom:2rem;max-width:1200px;margin-left:auto;margin-right:auto;padding:0 20px}.footer-section h3{font-size:1.1rem;margin-bottom:1rem;color:var(--text-primary)}.footer-section p{color:var(--text-secondary);line-height:1.6}.footer-section ul{list-style:none}.footer-section li{margin-bottom:.5rem}.footer-section a{color:var(--text-secondary);text-decoration:none;transition:color .3s}.footer-section a:hover{color:var(--primary-color)}.footer-bottom{border-top:1px solid var(--border);padding-top:1rem;text-align:center;color:#fff6;max-width:1200px;margin:0 auto;padding-left:20px;padding-right:20px}.breadcrumbs{padding:1rem 0;font-size:.9rem;color:var(--text-secondary)}.breadcrumbs a{color:var(--text-secondary)}.breadcrumbs a:hover{color:var(--primary-color)}.breadcrumbs span{margin:0 .5rem;opacity:.5}.mobile-menu-btn{display:none;background:none;border:none;color:var(--text-primary);font-size:1.5rem;cursor:pointer}@media(max-width:768px){.mobile-menu-btn{display:block}.nav-links{display:none;position:absolute;top:100%;left:0;right:0;background:var(--background);flex-direction:column;padding:1rem;gap:1rem;border-top:1px solid var(--border)}.nav-links.active{display:flex}.hero h1{font-size:2rem}.hero .subtitle{font-size:1.2rem}section h2{font-size:2rem}.cards-grid,.stats-grid{grid-template-columns:1fr}}@media(max-width:480px){.hero h1{font-size:1.5rem}.hero .subtitle{font-size:1rem}}