:root{--color-primary: #61CE70;--color-primary-dark: #4db85f;--color-primary-light: #7ed88a;--color-text: #1a1a1a;--color-text-light: #666;--color-text-lighter: #999;--color-bg: #ffffff;--color-bg-light: #f8f9fa;--color-bg-dark: #e9ecef;--color-border: #dee2e6;--color-border-light: #e9ecef;--color-error: #dc3545;--color-success: #28a745;--color-warning: #ffc107;--font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;--font-family-heading: "Helvetica Neue", Arial, sans-serif;--spacing-xs: .25rem;--spacing-sm: .5rem;--spacing-md: 1rem;--spacing-lg: 1.5rem;--spacing-xl: 2rem;--spacing-xxl: 3rem;--border-radius: 4px;--border-radius-lg: 8px;--transition: all .3s ease;--max-width: 1200px;--header-height: 80px}*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}html{font-size:16px}body{font-family:var(--font-family);color:var(--color-text);background-color:var(--color-bg);line-height:1.6;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}h1,h2,h3,h4,h5,h6{font-family:var(--font-family-heading);font-weight:600;line-height:1.2;margin-bottom:var(--spacing-md)}h1{font-size:2.5rem}h2{font-size:2rem}h3{font-size:1.75rem}h4{font-size:1.5rem}h5{font-size:1.25rem}h6{font-size:1rem}p{margin-bottom:var(--spacing-md)}a{color:var(--color-primary);text-decoration:none;transition:var(--transition)}a:hover{color:var(--color-primary-dark)}.btn{display:inline-block;padding:var(--spacing-sm) var(--spacing-lg);font-size:1rem;font-weight:500;text-align:center;border:none;border-radius:var(--border-radius);cursor:pointer;transition:var(--transition);text-decoration:none}.btn-primary{background-color:var(--color-primary);color:#fff}.btn-primary:hover{background-color:var(--color-primary-dark);color:#fff}.btn-secondary{background-color:transparent;color:var(--color-text);border:1px solid var(--color-border)}.btn-secondary:hover{background-color:var(--color-bg-light)}.btn-lg{padding:var(--spacing-md) var(--spacing-xl);font-size:1.125rem}.btn-sm{padding:var(--spacing-xs) var(--spacing-md);font-size:.875rem}.container{max-width:var(--max-width);margin:0 auto;padding:0 var(--spacing-lg)}.grid{display:grid;gap:var(--spacing-lg)}.grid-2{grid-template-columns:repeat(2,1fr)}.grid-3{grid-template-columns:repeat(3,1fr)}.grid-4{grid-template-columns:repeat(4,1fr)}@media (max-width: 768px){.grid-2,.grid-3,.grid-4{grid-template-columns:1fr}}.text-center{text-align:center}.text-right{text-align:right}.text-left{text-align:left}.mt-sm{margin-top:var(--spacing-sm)}.mt-md{margin-top:var(--spacing-md)}.mt-lg{margin-top:var(--spacing-lg)}.mt-xl{margin-top:var(--spacing-xl)}.mb-sm{margin-bottom:var(--spacing-sm)}.mb-md{margin-bottom:var(--spacing-md)}.mb-lg{margin-bottom:var(--spacing-lg)}.mb-xl{margin-bottom:var(--spacing-xl)}.pt-sm{padding-top:var(--spacing-sm)}.pt-md{padding-top:var(--spacing-md)}.pt-lg{padding-top:var(--spacing-lg)}.pt-xl{padding-top:var(--spacing-xl)}.pb-sm{padding-bottom:var(--spacing-sm)}.pb-md{padding-bottom:var(--spacing-md)}.pb-lg{padding-bottom:var(--spacing-lg)}.pb-xl{padding-bottom:var(--spacing-xl)}.spinner{border:3px solid var(--color-border);border-top:3px solid var(--color-primary);border-radius:50%;width:40px;height:40px;animation:spin 1s linear infinite}@keyframes spin{0%{transform:rotate(0)}to{transform:rotate(360deg)}}@media (max-width: 768px){:root{--header-height: 72px}h1{font-size:2rem}h2{font-size:1.75rem}h3{font-size:1.5rem}}