:root{--primary-50: #eff6ff;--primary-100: #dbeafe;--primary-200: #bfdbfe;--primary-300: #93c5fd;--primary-400: #60a5fa;--primary-500: #3b82f6;--primary-600: #2563eb;--primary-700: #1d4ed8;--primary-800: #1e40af;--primary-900: #1e3a8a;--metamask-orange: #f6851b;--metamask-orange-hover: #e2761b;--gray-50: #f9fafb;--gray-100: #f3f4f6;--gray-200: #e5e7eb;--gray-300: #d1d5db;--gray-400: #9ca3af;--gray-500: #6b7280;--gray-600: #4b5563;--gray-700: #374151;--gray-800: #1f2937;--gray-900: #111827;--success-500: #10b981;--warning-500: #f59e0b;--error-500: #ef4444;--font-family: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", "Roboto", sans-serif;--font-size-xs: .75rem;--font-size-sm: .875rem;--font-size-base: 1rem;--font-size-lg: 1.125rem;--font-size-xl: 1.25rem;--font-size-2xl: 1.5rem;--font-size-3xl: 1.875rem;--font-size-4xl: 2.25rem;--font-size-5xl: 3rem;--font-size-6xl: 3.75rem;--space-1: .25rem;--space-2: .5rem;--space-3: .75rem;--space-4: 1rem;--space-5: 1.25rem;--space-6: 1.5rem;--space-8: 2rem;--space-10: 2.5rem;--space-12: 3rem;--space-16: 4rem;--space-20: 5rem;--space-24: 6rem;--space-32: 8rem;--shadow-sm: 0 1px 2px 0 rgb(0 0 0 / .05);--shadow: 0 1px 3px 0 rgb(0 0 0 / .1), 0 1px 2px -1px rgb(0 0 0 / .1);--shadow-md: 0 4px 6px -1px rgb(0 0 0 / .1), 0 2px 4px -2px rgb(0 0 0 / .1);--shadow-lg: 0 10px 15px -3px rgb(0 0 0 / .1), 0 4px 6px -4px rgb(0 0 0 / .1);--shadow-xl: 0 20px 25px -5px rgb(0 0 0 / .1), 0 8px 10px -6px rgb(0 0 0 / .1);--rounded-sm: .125rem;--rounded: .25rem;--rounded-md: .375rem;--rounded-lg: .5rem;--rounded-xl: .75rem;--rounded-2xl: 1rem;--rounded-3xl: 1.5rem;--transition-fast: .15s ease;--transition: .25s ease;--transition-slow: .35s ease}*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}html{scroll-behavior:smooth;line-height:1.5;-webkit-text-size-adjust:100%}body{font-family:var(--font-family);font-size:var(--font-size-base);line-height:1.6;color:var(--gray-800);background-color:#fff;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}.container{max-width:1200px;margin:0 auto;padding:0 var(--space-6)}@media (max-width: 640px){.container{padding:0 var(--space-4)}}.navbar{position:fixed;top:0;left:0;right:0;background:#fff;border-bottom:1px solid var(--gray-200);z-index:1000;transition:var(--transition)}.navbar.navbar-dark{background:#111827f2;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);border-bottom:1px solid rgba(255,255,255,.1)}.navbar-dark .nav-link{color:#fffc}.navbar-dark .nav-link:hover,.navbar-dark .nav-link.active{color:#fff}.navbar-dark .nav-toggle .bar{background:#fff}.navbar-dark .nav-logo{filter:brightness(0) invert(1)}.mobile-wallet-item{display:none}.nav-container{display:flex;align-items:center;justify-content:space-between;padding:var(--space-4) var(--space-6);max-width:1200px;margin:0 auto}.nav-brand{display:flex;align-items:center;text-decoration:none}.nav-logo{height:40px;width:auto}.nav-menu{display:flex;list-style:none;gap:var(--space-8);align-items:center}.nav-link{text-decoration:none;font-weight:500;color:var(--gray-600);transition:var(--transition-fast);position:relative;padding:var(--space-2) 0}.nav-link:hover,.nav-link.active{color:var(--primary-600)}.nav-link.active:after{content:"";position:absolute;bottom:-8px;left:0;right:0;height:2px;background:var(--primary-600);border-radius:1px}.nav-toggle{display:none;flex-direction:column;cursor:pointer;gap:4px}.nav-toggle .bar{width:25px;height:3px;background:var(--gray-700);transition:var(--transition);border-radius:2px}.nav-wallet-btn{display:flex;align-items:center;gap:8px;padding:8px 20px;background:var(--metamask-orange);color:#fff;border:none;border-radius:8px;font-weight:600;font-size:14px;cursor:pointer;transition:all .2s ease}.nav-wallet-btn svg{width:16px;height:16px;fill:none;stroke:currentColor;stroke-width:2}.nav-wallet-btn:hover{background:var(--metamask-orange-hover);transform:translateY(-1px);box-shadow:0 4px 12px #f6851b4d}.btn{display:inline-flex;align-items:center;gap:var(--space-2);padding:var(--space-3) var(--space-6);border-radius:var(--rounded-lg);font-weight:600;font-size:var(--font-size-base);text-decoration:none;transition:var(--transition-fast);cursor:pointer;border:2px solid transparent;white-space:nowrap}.btn-primary{background:var(--primary-600);color:#fff;box-shadow:var(--shadow)}.btn-primary:hover{background:var(--primary-700);transform:translateY(-1px);box-shadow:var(--shadow-lg)}.btn-secondary{background:#fff;color:var(--primary-600);border-color:var(--gray-300);box-shadow:var(--shadow-sm)}.btn-secondary:hover{background:var(--gray-50);border-color:var(--primary-300);transform:translateY(-1px);box-shadow:var(--shadow)}.btn-outline{background:transparent;color:var(--primary-600);border-color:var(--primary-600)}.btn-outline:hover{background:var(--primary-600);color:#fff}.section-header{text-align:center;margin-bottom:var(--space-16)}.section-title{font-size:var(--font-size-4xl);font-weight:800;color:var(--gray-900);margin-bottom:var(--space-4);line-height:1.1}.section-description{font-size:var(--font-size-lg);color:var(--gray-600);max-width:600px;margin:0 auto;line-height:1.7}.footer{background:var(--gray-900);color:#fff;padding:var(--space-16) 0 var(--space-8)}.footer-content{display:grid;grid-template-columns:1.5fr 2fr;gap:var(--space-16);margin-bottom:var(--space-16);padding-bottom:var(--space-16);border-bottom:1px solid rgba(255,255,255,.1)}.footer-brand{max-width:400px}.footer-logo{height:40px;margin-bottom:var(--space-4)}.footer-tagline{color:var(--gray-400);line-height:1.6}.footer-links{display:grid;grid-template-columns:repeat(3,1fr);gap:var(--space-12)}.footer-section h4{font-size:var(--font-size-sm);font-weight:600;text-transform:uppercase;letter-spacing:.5px;margin-bottom:var(--space-6);color:var(--gray-400)}.footer-section ul{list-style:none;padding:0;margin:0}.footer-section li{margin-bottom:var(--space-3)}.footer-section a{color:var(--gray-300);text-decoration:none;transition:color var(--transition-fast)}.footer-section a:hover{color:#fff}.footer-bottom{display:flex;justify-content:space-between;align-items:center;color:var(--gray-400);font-size:var(--font-size-sm);gap:var(--space-4);flex-wrap:wrap}.footer-actions{display:flex;gap:var(--space-3)}.connect-btn{display:inline-flex;align-items:center;gap:var(--space-2);padding:var(--space-2) var(--space-4);background:var(--metamask-orange);color:#fff;border:none;border-radius:var(--rounded-lg);font-size:var(--font-size-sm);font-weight:600;cursor:pointer;transition:var(--transition-fast)}.connect-btn svg{width:16px;height:16px;fill:none;stroke:currentColor;stroke-width:2}.connect-btn:hover{background:var(--metamask-orange-hover);transform:translateY(-1px);box-shadow:0 4px 12px #f6851b4d}.network-btn{display:inline-flex;align-items:center;gap:var(--space-2);padding:var(--space-2) var(--space-4);background:var(--gray-600);color:#fff;border:none;border-radius:var(--rounded-lg);font-size:var(--font-size-sm);font-weight:600;cursor:pointer;transition:var(--transition-fast)}.network-btn:hover{background:var(--gray-700);transform:translateY(-1px)}.footer-legal{display:flex;gap:var(--space-6)}.footer-legal a{color:var(--gray-400);text-decoration:none;transition:var(--transition-fast)}.footer-legal a:hover{color:#fff}.network-modal{position:fixed;top:0;left:0;width:100%;height:100%;background:#000c;display:flex;align-items:center;justify-content:center;z-index:10000;animation:fadeIn .3s ease}.modal-content{background:#fff;border-radius:var(--rounded-2xl);max-width:500px;width:90%;max-height:80vh;overflow-y:auto;animation:slideUp .3s ease}.modal-header{display:flex;justify-content:space-between;align-items:center;padding:var(--space-6);border-bottom:1px solid var(--gray-200)}.modal-header h3{margin:0;color:var(--gray-900);font-size:var(--font-size-xl);font-weight:700}.modal-close{background:none;border:none;font-size:var(--font-size-2xl);cursor:pointer;color:var(--gray-500);padding:var(--space-2)}.modal-close:hover{color:var(--gray-700)}.modal-body{padding:var(--space-6)}.network-info-item{margin-bottom:var(--space-4);padding:var(--space-3);background:var(--gray-50);border-radius:var(--rounded-lg);font-size:var(--font-size-sm)}.network-info-item strong{color:var(--gray-900);display:block;margin-bottom:var(--space-1)}.network-info-item a{color:var(--primary-600);text-decoration:none}.network-info-item a:hover{text-decoration:underline}.add-network-btn{width:100%;padding:var(--space-3) var(--space-6);background:var(--primary-600);color:#fff;border:none;border-radius:var(--rounded-lg);font-weight:600;cursor:pointer;margin-top:var(--space-4);transition:var(--transition-fast)}.add-network-btn:hover{background:var(--primary-700)}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}@keyframes slideUp{0%{transform:translateY(30px);opacity:0}to{transform:translateY(0);opacity:1}}.toast-container{position:fixed;top:20px;right:20px;z-index:10000;display:flex;flex-direction:column;gap:10px;pointer-events:none}.toast{background:#fff;padding:16px 20px;border-radius:12px;box-shadow:0 4px 20px #00000026;display:flex;align-items:center;gap:12px;min-width:300px;max-width:400px;pointer-events:auto;animation:slideInRight .3s ease;transition:all .3s ease}.toast.success{border-left:4px solid #10b981}.toast.error{border-left:4px solid #ef4444}.toast.warning{border-left:4px solid #f59e0b}.toast.info{border-left:4px solid #3b82f6}.toast-icon{width:24px;height:24px;flex-shrink:0}.toast.success .toast-icon{color:#10b981}.toast.error .toast-icon{color:#ef4444}.toast.warning .toast-icon{color:#f59e0b}.toast.info .toast-icon{color:#3b82f6}.toast-content{flex:1}.toast-title{font-weight:600;font-size:14px;color:var(--gray-900);margin-bottom:2px}.toast-message{font-size:13px;color:var(--gray-600);line-height:1.4}.toast-close{background:none;border:none;color:var(--gray-400);cursor:pointer;padding:4px;margin:-4px -4px -4px 8px;border-radius:4px;transition:all .2s ease}.toast-close:hover{background:var(--gray-100);color:var(--gray-600)}@keyframes slideInRight{0%{transform:translate(100%);opacity:0}to{transform:translate(0);opacity:1}}@keyframes slideOutRight{0%{transform:translate(0);opacity:1}to{transform:translate(100%);opacity:0}}.toast.removing{animation:slideOutRight .3s ease forwards}@media (max-width: 1024px){.section-title{font-size:var(--font-size-3xl)}.nav-container{padding:var(--space-4)}}@media (max-width: 768px){.navbar,.navbar-dark{background:#fff!important}.navbar-dark .nav-link{color:var(--gray-600)!important}.navbar-dark .nav-link:hover,.navbar-dark .nav-link.active{color:var(--primary-600)!important}.navbar-dark .nav-toggle .bar{background:var(--gray-700)!important}.navbar-dark .nav-logo{filter:none!important}.nav-menu:before{content:"";position:fixed;top:0;left:0;width:100%;height:100%;background:#00000080;opacity:0;visibility:hidden;transition:opacity .3s ease,visibility .3s ease;z-index:-1}.nav-menu.active:before{opacity:1;visibility:visible}.nav-menu{position:fixed;top:0;right:-100%;width:85%;max-width:400px;height:100vh;background-color:#fff;flex-direction:column;padding:80px var(--space-6) var(--space-8);box-shadow:-4px 0 20px #00000026;transition:right .3s ease;gap:0;z-index:999;overflow-y:auto;align-items:stretch;justify-content:flex-start}.nav-menu.active{right:0}.nav-item{width:100%;margin:0;padding:0;border-bottom:1px solid rgba(0,0,0,.05)}.nav-link{display:block;padding:var(--space-4) 0;font-size:1.125rem;font-weight:500;color:var(--gray-700);transition:all .2s ease;position:relative}.nav-link:hover,.nav-link.active{color:var(--primary-600);padding-left:var(--space-3)}.nav-link.active:after{content:"";position:absolute;left:0;top:50%;transform:translateY(-50%);height:20px;width:3px;background:var(--primary-600);border-radius:0 2px 2px 0}.nav-toggle{display:flex;z-index:1001;position:relative;padding:8px;border-radius:8px;transition:background .2s ease}.nav-toggle:hover{background:#0000000d}.nav-actions{display:none}.mobile-wallet-item{display:block!important;margin-top:var(--space-8);padding-top:var(--space-8);border-top:2px solid rgba(0,0,0,.05);border-bottom:none!important}.mobile-wallet-btn{display:flex;align-items:center;gap:12px;width:100%;padding:16px 24px;background:var(--metamask-orange);color:#fff;border:none;border-radius:12px;font-weight:600;font-size:16px;cursor:pointer;transition:all .2s ease}.mobile-wallet-btn svg{width:16px;height:16px;fill:none;stroke:currentColor;stroke-width:2}.mobile-wallet-btn:hover{background:var(--metamask-orange-hover);transform:translateY(-1px);box-shadow:0 4px 12px #f6851b4d}.nav-toggle.active .bar:nth-child(1){transform:rotate(45deg) translate(5px,5px)}.nav-toggle.active .bar:nth-child(2){opacity:0}.nav-toggle.active .bar:nth-child(3){transform:rotate(-45deg) translate(7px,-6px)}.section-title{font-size:var(--font-size-2xl)}.section-description{font-size:var(--font-size-base)}.footer-content{grid-template-columns:1fr;gap:var(--space-12)}.footer-links{grid-template-columns:repeat(2,1fr);gap:var(--space-8)}.footer-bottom{flex-direction:column;gap:var(--space-4);text-align:center}.footer-actions{order:-1;justify-content:center}}@media (max-width: 640px){body{overflow-x:hidden}.btn{padding:var(--space-3) var(--space-4);font-size:var(--font-size-sm)}.footer-links{grid-template-columns:1fr;gap:var(--space-6)}.toast-container{top:10px;right:10px;left:10px}.toast{min-width:auto;max-width:none;width:100%}}