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3rem;--font-size-6xl: 3.75rem;--font-size-h1: 3.5rem;--font-size-h2: 2.5rem;--font-size-h3: 2rem;--font-size-h4: 1.5rem;--font-size-h5: 1.25rem;--font-size-h6: 1.125rem;--font-weight-thin: 100;--font-weight-light: 300;--font-weight-normal: 400;--font-weight-medium: 500;--font-weight-semibold: 600;--font-weight-bold: 700;--font-weight-extrabold: 800;--font-weight-black: 900;--line-height-tight: 1.25;--line-height-snug: 1.375;--line-height-normal: 1.5;--line-height-relaxed: 1.625;--line-height-loose: 2;--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 rgba(0, 0, 0, .05);--shadow-md: 0 4px 6px -1px rgba(0, 0, 0, .1), 0 2px 4px -1px rgba(0, 0, 0, .06);--shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, .1), 0 4px 6px -2px rgba(0, 0, 0, .05);--shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, .1), 0 10px 10px -5px rgba(0, 0, 0, .04);--shadow-2xl: 0 25px 50px -12px rgba(0, 0, 0, .25);--color-primary: var(--primary-500);--color-primary-dark: var(--primary-600);--color-primary-light: var(--primary-400);--color-secondary: var(--gray-600);--color-success: var(--success-500);--color-error: var(--error-500);--color-warning: var(--warning-500);--color-white: #ffffff;--color-black: #000000;--color-background: var(--gray-50);--color-background-dark: var(--gray-100);--color-text: var(--gray-800);--color-text-light: var(--gray-600);--color-text-muted: var(--gray-500);--color-border: var(--gray-200);--color-border-light: var(--gray-100)}*{margin:0;padding:0;box-sizing:border-box}html{font-size:16px;line-height:1.5}body{font-family:var(--font-sans);font-size:var(--font-size-base);line-height:var(--line-height-normal);color:var(--color-text);background:linear-gradient(135deg,#667eea,#764ba2);background-attachment:fixed;min-height:100vh;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}h1,h2,h3,h4,h5,h6{font-weight:var(--font-weight-bold);line-height:var(--line-height-tight);color:var(--color-text)}h1{font-size:var(--font-size-h1)}h2{font-size:var(--font-size-h2)}h3{font-size:var(--font-size-h3)}h4{font-size:var(--font-size-h4)}h5{font-size:var(--font-size-h5)}h6{font-size:var(--font-size-h6)}p{margin-bottom:1rem;line-height:var(--line-height-relaxed)}a{color:var(--color-primary);text-decoration:none;transition:color .2s ease}a:hover{color:var(--color-primary-dark);text-decoration:underline}.container{max-width:1200px;margin:0 auto;padding:0 1rem}.text-center{text-align:center}.text-left{text-align:left}.text-right{text-align:right}.mb-1{margin-bottom:var(--space-1)}.mb-2{margin-bottom:var(--space-2)}.mb-3{margin-bottom:var(--space-3)}.mb-4{margin-bottom:var(--space-4)}.mb-6{margin-bottom:var(--space-6)}.mb-8{margin-bottom:var(--space-8)}.mt-1{margin-top:var(--space-1)}.mt-2{margin-top:var(--space-2)}.mt-3{margin-top:var(--space-3)}.mt-4{margin-top:var(--space-4)}.mt-6{margin-top:var(--space-6)}.mt-8{margin-top:var(--space-8)}.p-1{padding:var(--space-1)}.p-2{padding:var(--space-2)}.p-3{padding:var(--space-3)}.p-4{padding:var(--space-4)}.p-6{padding:var(--space-6)}.p-8{padding:var(--space-8)}::-webkit-scrollbar{width:8px}::-webkit-scrollbar-track{background:var(--color-background)}::-webkit-scrollbar-thumb{background:var(--color-border);border-radius:4px}::-webkit-scrollbar-thumb:hover{background:var(--color-text-muted)}*:focus{outline:2px solid var(--color-primary);outline-offset:2px}::selection{background-color:var(--color-primary);color:var(--color-white)}