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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;--line-height-tight: 1.2;--line-height-normal: 1.5;--line-height-relaxed: 1.75;--spacing-xs: .25rem;--spacing-sm: .5rem;--spacing-md: 1rem;--spacing-lg: 1.5rem;--spacing-xl: 2rem;--spacing-2xl: 2.5rem;--spacing-3xl: 3rem;--spacing-4xl: 4rem;--border-radius-sm: .375rem;--border-radius-md: .5rem;--border-radius-lg: .75rem;--border-radius-xl: 1rem;--border-radius-2xl: 1.5rem;--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);--shadow-2xl: 0 25px 50px -12px rgba(0, 0, 0, .25);--transition-fast: .15s ease-in-out;--transition-normal: .3s ease-in-out;--transition-slow: .5s ease-in-out}@media (prefers-color-scheme: dark){:root{color-scheme:dark}}*{margin:0;padding:0;box-sizing:border-box}html{scroll-behavior:smooth}body{font-family:var(--font-family-body);font-size:var(--font-size-base);line-height:var(--line-height-normal);color:var(--color-gray-900);background-color:var(--color-white);transition:background-color var(--transition-normal),color var(--transition-normal)}@media (prefers-color-scheme: dark){body{background-color:var(--color-dark-bg);color:var(--color-gray-50)}}h1,h2,h3,h4,h5,h6{font-family:var(--font-family-header);font-weight:700;line-height:var(--line-height-tight)}h1{font-size:var(--font-size-5xl)}h2{font-size:var(--font-size-4xl)}h3{font-size:var(--font-size-3xl)}h4{font-size:var(--font-size-2xl)}h5{font-size:var(--font-size-xl)}h6{font-size:var(--font-size-lg)}p{line-height:var(--line-height-relaxed)}a{color:var(--color-primary);text-decoration:none;transition:color var(--transition-fast)}a:hover{color:var(--color-primary-dark)}@media (prefers-color-scheme: dark){a:hover{color:var(--color-primary-light)}}.container{width:100%;max-width:1280px;margin-left:auto;margin-right:auto;padding-left:var(--spacing-md);padding-right:var(--spacing-md)}@media (min-width: 768px){.container{padding-left:var(--spacing-xl);padding-right:var(--spacing-xl)}}@media (max-width: 640px){h1{font-size:var(--font-size-3xl)}h2{font-size:var(--font-size-2xl)}h3{font-size:var(--font-size-xl)}}@media (prefers-color-scheme: dark){h1,h2,h3,h4,h5,h6{color:var(--color-gray-50)}p,span{color:var(--color-gray-300)}}::-webkit-scrollbar{width:8px;height:8px}::-webkit-scrollbar-track{background:var(--color-gray-100)}@media (prefers-color-scheme: dark){::-webkit-scrollbar-track{background:var(--color-dark-surface)}}::-webkit-scrollbar-thumb{background:var(--color-gray-400);border-radius:4px}::-webkit-scrollbar-thumb:hover{background:var(--color-gray-500)}@media (prefers-color-scheme: dark){::-webkit-scrollbar-thumb{background:var(--color-gray-600)}::-webkit-scrollbar-thumb:hover{background:var(--color-gray-500)}}