:root{--color-primary:#0f172a;--color-primary-light:#1e293b;--color-primary-lighter:#334155;--color-accent:#3b82f6;--color-accent-dark:#1d4ed8;--color-accent-light:#60a5fa;--color-purple:#8b5cf6;--color-emerald:#10b981;--color-amber:#f59e0b;--color-red:#ef4444;--color-white:#fff;--color-gray:#64748b;--color-gray-light:#e2e8f0;--color-gray-dark:#475569;--spacing-xs:0.25rem;--spacing-sm:0.5rem;--spacing-md:1rem;--spacing-lg:1.5rem;--spacing-xl:2rem;--spacing-2xl:3rem;--font-family:"Inter",-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;--font-mono:"JetBrains Mono","Courier New",monospace;--shadow-sm:0 1px 2px 0 rgba(0,0,0,.05);--shadow-md:0 4px 6px -1px rgba(0,0,0,.1);--shadow-lg:0 10px 15px -3px rgba(0,0,0,.1);--shadow-xl:0 20px 25px -5px rgba(0,0,0,.1);--transition-fast:150ms ease-in-out;--transition-base:200ms ease-in-out;--transition-slow:300ms ease-in-out}*{margin:0;padding:0;box-sizing:border-box}html{scroll-behavior:smooth;font-size:16px}body{font-family:var(--font-family);background:linear-gradient(135deg,var(--color-primary) 0,var(--color-primary-light) 100%);color:var(--color-gray-light);line-height:1.6;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}h1,h2,h3,h4,h5,h6{font-weight:700;letter-spacing:-.02em;color:var(--color-white);line-height:1.2}h1{font-size:3.5rem}h2{font-size:2.25rem}h3{font-size:1.875rem}h4{font-size:1.5rem}h5{font-size:1.25rem}h6{font-size:1rem}p{color:var(--color-gray);margin-bottom:var(--spacing-md)}a{color:var(--color-accent);text-decoration:none;transition:color var(--transition-base)}a:hover{color:var(--color-accent-light)}input,select,textarea{font-family:var(--font-family);font-size:1rem;padding:var(--spacing-md);border:2px solid var(--color-primary-lighter);border-radius:.75rem;background:rgba(30,41,59,.5);color:var(--color-white);transition:all var(--transition-base)}input::-moz-placeholder,textarea::-moz-placeholder{color:var(--color-gray-dark)}input::placeholder,textarea::placeholder{color:var(--color-gray-dark)}input:focus,select:focus,textarea:focus{outline:none;border-color:var(--color-accent);box-shadow:0 0 0 3px rgba(59,130,246,.1);background:rgba(30,41,59,.8)}input:disabled,select:disabled,textarea:disabled{opacity:.5;cursor:not-allowed}::-webkit-scrollbar{width:10px;height:10px}::-webkit-scrollbar-track{background:var(--color-primary-light)}::-webkit-scrollbar-thumb{background:var(--color-accent);border-radius:5px}::-webkit-scrollbar-thumb:hover{background:var(--color-accent-light)}.container{max-width:1280px}.container,.container-sm{margin:0 auto;padding:0 var(--spacing-lg)}.container-sm{max-width:640px}.container-md{max-width:896px;margin:0 auto;padding:0 var(--spacing-lg)}.flex{display:flex}.flex-center{display:flex;align-items:center;justify-content:center}.grid{display:grid}.grid-2{grid-template-columns:repeat(2,1fr)}.grid-2,.grid-3{display:grid;gap:var(--spacing-lg)}.grid-3{grid-template-columns:repeat(3,1fr)}@media (max-width:768px){.grid-2,.grid-3{grid-template-columns:1fr}}.text-center{text-align:center}.text-white{color:var(--color-white)}.text-gray{color:var(--color-gray)}.text-accent{color:var(--color-accent)}.bg-primary{background:var(--color-primary)}.bg-gradient{background:linear-gradient(135deg,var(--color-accent) 0,var(--color-purple) 100%)}.shadow-lg{box-shadow:var(--shadow-lg)}.rounded{border-radius:.5rem}.rounded-lg{border-radius:1rem}.rounded-full{border-radius:9999px}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}@keyframes slideUp{0%{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}@keyframes slideDown{0%{opacity:0;transform:translateY(-20px)}to{opacity:1;transform:translateY(0)}}@keyframes slideLeft{0%{opacity:0;transform:translateX(-20px)}to{opacity:1;transform:translateX(0)}}@keyframes slideRight{0%{opacity:0;transform:translateX(20px)}to{opacity:1;transform:translateX(0)}}@keyframes pulse{0%,to{opacity:1}50%{opacity:.5}}@keyframes glow{0%,to{box-shadow:0 0 20px rgba(59,130,246,.5)}50%{box-shadow:0 0 30px rgba(59,130,246,.8)}}@keyframes float{0%,to{transform:translateY(0)}50%{transform:translateY(-10px)}}.animate-fade-in{animation:fadeIn .6s ease-out forwards}.animate-slide-up{animation:slideUp .6s ease-out forwards}.animate-slide-down{animation:slideDown .6s ease-out forwards}.animate-slide-left{animation:slideLeft .6s ease-out forwards}.animate-slide-right{animation:slideRight .6s ease-out forwards}.animate-pulse{animation:pulse 2s ease-in-out infinite}.animate-glow{animation:glow 2s ease-in-out infinite}.animate-float{animation:float 3s ease-in-out infinite}.delay-1{animation-delay:.1s}.delay-2{animation-delay:.2s}.delay-3{animation-delay:.3s}.delay-4{animation-delay:.4s}.delay-5{animation-delay:.5s}.gradient-text{background:linear-gradient(135deg,var(--color-accent) 0,var(--color-accent-light) 100%);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}.card{background:rgba(30,41,59,.6);border:1px solid rgba(71,85,105,.5);border-radius:1rem;padding:var(--spacing-lg);backdrop-filter:blur(10px);transition:all var(--transition-base)}.card:hover{border-color:var(--color-accent);box-shadow:0 0 30px rgba(59,130,246,.1);transform:translateY(-4px)}.btn{display:inline-flex;align-items:center;justify-content:center;gap:var(--spacing-sm);padding:var(--spacing-md) var(--spacing-lg);font-weight:600;border:none;border-radius:.75rem;cursor:pointer;transition:all var(--transition-base);font-family:var(--font-family);font-size:1rem}.btn-primary{background:linear-gradient(135deg,var(--color-accent) 0,var(--color-accent-dark) 100%);color:var(--color-white);box-shadow:0 4px 15px rgba(59,130,246,.3)}.btn-primary:hover{transform:translateY(-2px);box-shadow:0 6px 20px rgba(59,130,246,.4)}.btn-secondary{background:rgba(71,85,105,.5);color:var(--color-white);border:1px solid rgba(71,85,105,.8)}.btn-secondary:hover{background:rgba(71,85,105,.7);border-color:var(--color-accent)}.btn-outline{background:transparent;color:var(--color-accent);border:2px solid var(--color-accent)}.btn-outline:hover{background:rgba(59,130,246,.1)}.btn-lg{padding:var(--spacing-lg) var(--spacing-2xl);font-size:1.125rem}.btn-sm{padding:var(--spacing-sm) var(--spacing-md)}.badge,.btn-sm{font-size:.875rem}.badge{display:inline-block;padding:var(--spacing-xs) var(--spacing-sm);background:rgba(59,130,246,.2);color:var(--color-accent);border-radius:.375rem;font-weight:600}.badge-success{background:rgba(16,185,129,.2);color:var(--color-emerald)}.badge-warning{background:rgba(245,158,11,.2);color:var(--color-amber)}.badge-danger{background:rgba(239,68,68,.2);color:var(--color-red)}header{background:rgba(15,23,42,.8);backdrop-filter:blur(10px);border-bottom:1px solid rgba(71,85,105,.3);position:sticky;top:0;z-index:1000;padding:var(--spacing-md) 0}footer{background:var(--color-primary-light);border-top:1px solid rgba(71,85,105,.3);padding:var(--spacing-2xl) 0;margin-top:var(--spacing-2xl)}@media (max-width:768px){h1{font-size:2.25rem}h2{font-size:1.875rem}h3{font-size:1.5rem}.container{padding:0 var(--spacing-md)}.grid-2,.grid-3{grid-template-columns:1fr}}@media (max-width:480px){h1{font-size:1.875rem}h2{font-size:1.5rem}h3{font-size:1.25rem}.btn{width:100%}}