:root{font-size:62.5%;--font-primary:"Inter",-apple-system,BlinkMacSystemFont,"Segoe UI","Roboto","Oxygen","Ubuntu","Cantarell","Fira Sans","Droid Sans","Helvetica Neue",sans-serif;--font-heading:"Inter",-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;--font-mono:"Roboto Mono","Fira Code",monospace;--primary-50:#ecfdf5;--primary-100:#d1fae5;--primary-500:#10b981;--primary-600:#059669;--primary-700:#047857;--primary-900:#065f46;--secondary-50:#fafaf9;--secondary-100:#f5f5f4;--secondary-500:#78716c;--secondary-600:#57534e;--secondary-900:#1c1917;--accent-teal:#14b8a6;--accent-emerald:#10b981;--bg-primary:#fff;--bg-secondary:#f8fafc;--bg-accent:#f1f5f9;--text-primary:#1e293b;--text-secondary:#64748b;--text-muted:#94a3b8;--border-light:#e2e8f0;--border-medium:#cbd5e1;--shadow-sm:0 1px 2px 0 rgba(0,0,0,.05);--shadow-md:0 4px 6px -1px rgba(0,0,0,.1),0 2px 4px -2px rgba(0,0,0,.1);--shadow-lg:0 10px 15px -3px rgba(0,0,0,.1),0 4px 6px -4px rgba(0,0,0,.1);--shadow-xl:0 20px 25px -5px rgba(0,0,0,.1),0 8px 10px -6px rgba(0,0,0,.1);--nav-height:72px;--border-radius-sm:6px;--border-radius-md:8px;--border-radius-lg:12px;--border-radius-xl:16px;--transition-fast:150ms ease-in-out;--transition-normal:300ms ease-in-out;--transition-slow:500ms ease-in-out}*{box-sizing:border-box;margin:0;padding:0}html{scroll-behavior:smooth}body{font-family:var(--font-primary);font-size:1.6rem;line-height:1.6;background-color:var(--bg-primary);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;overflow-x:hidden}body,h1,h2,h3,h4,h5,h6{color:var(--text-primary)}h1,h2,h3,h4,h5,h6{font-family:var(--font-heading);font-weight:700;line-height:1.2;margin-bottom:1rem}h1{font-size:clamp(3.2rem,5vw,5.6rem);font-weight:800;letter-spacing:-.02em}h2{font-size:clamp(2.4rem,4vw,4rem);font-weight:700;letter-spacing:-.01em}h3{font-size:clamp(2rem,3vw,3.2rem);font-weight:600}p{font-size:clamp(1.6rem,2vw,1.8rem);line-height:1.7;color:var(--text-secondary);margin-bottom:1.6rem}a{color:var(--primary-600);text-decoration:none;transition:var(--transition-fast)}a:hover{color:var(--primary-700)}.btn{display:inline-flex;align-items:center;justify-content:center;padding:1.2rem 2.4rem;font-size:1.6rem;font-weight:600;border:none;border-radius:var(--border-radius-md);cursor:pointer;transition:var(--transition-normal);text-decoration:none;white-space:nowrap;position:relative;overflow:hidden}.btn:before{content:"";position:absolute;top:0;left:-100%;width:100%;height:100%;background:linear-gradient(90deg,transparent,hsla(0,0%,100%,.2),transparent);transition:var(--transition-slow)}.btn:hover:before{left:100%}.btn-primary{background:linear-gradient(135deg,var(--primary-500),var(--primary-600));color:#fff;box-shadow:var(--shadow-md)}.btn-primary:hover{background:linear-gradient(135deg,var(--primary-600),var(--primary-700));box-shadow:var(--shadow-lg);transform:translateY(-2px)}.btn-primary:active{transform:translateY(0);box-shadow:var(--shadow-md)}.btn-secondary{background:var(--bg-secondary);color:var(--text-primary);border:1px solid var(--border-medium)}.btn-secondary:hover{background:var(--bg-accent);border-color:var(--border-medium);transform:translateY(-1px);box-shadow:var(--shadow-sm)}.btn:disabled{opacity:.6;cursor:not-allowed;transform:none!important;box-shadow:var(--shadow-sm)!important}.container{width:100%;max-width:1200px;margin:0 auto;padding:0 2rem}.container-sm{max-width:768px}.container-lg{max-width:1400px}.grid{display:grid;grid-gap:2rem;gap:2rem}.grid-cols-1{grid-template-columns:1fr}.grid-cols-2{grid-template-columns:repeat(2,1fr)}.grid-cols-3{grid-template-columns:repeat(3,1fr)}@media (max-width:768px){.grid-cols-2,.grid-cols-3{grid-template-columns:1fr}.container{padding:0 1.6rem}}.text-center{text-align:center}.text-left{text-align:left}.text-right{text-align:right}.mb-1{margin-bottom:.8rem}.mb-2{margin-bottom:1.6rem}.mb-3{margin-bottom:2.4rem}.mb-4{margin-bottom:3.2rem}.mb-5{margin-bottom:4rem}.mt-1{margin-top:.8rem}.mt-2{margin-top:1.6rem}.mt-3{margin-top:2.4rem}.mt-4{margin-top:3.2rem}.mt-5{margin-top:4rem}:focus{outline:2px solid var(--primary-500);outline-offset:2px}.btn:focus{outline:none;box-shadow:var(--shadow-lg),0 0 0 3px rgba(16,185,129,.3)}@keyframes fadeInUp{0%{opacity:0;transform:translateY(30px)}to{opacity:1;transform:translateY(0)}}.animate-fade-in-up{animation:fadeInUp .6s ease-out forwards}::selection{background:var(--primary-100);color:var(--primary-900)}::-moz-selection{background:var(--primary-100);color:var(--primary-900)}::-webkit-scrollbar{width:8px}::-webkit-scrollbar-track{background:var(--bg-secondary)}::-webkit-scrollbar-thumb{background:var(--border-medium);border-radius:4px}::-webkit-scrollbar-thumb:hover{background:var(--text-muted)}@media (prefers-reduced-motion:no-preference){*{transition-property:background-color,border-color,color,fill,stroke,opacity,box-shadow,transform;transition-timing-function:cubic-bezier(.4,0,.2,1);transition-duration:.15s}}