:root{--white: #ffffff;--off-white: #fafafa;--gray-50: #fafafa;--gray-100: #f5f5f5;--gray-200: #e5e5e5;--gray-300: #d4d4d4;--gray-400: #a3a3a3;--gray-500: #737373;--gray-600: #525252;--gray-700: #404040;--gray-800: #262626;--gray-900: #171717;--bg-primary: #ffffff;--bg-secondary: #fafafa;--bg-elevated: #ffffff;--text-primary: #171717;--text-secondary: #525252;--text-muted: #737373;--text-disabled: #a3a3a3;--accent-primary: #171717;--accent-hover: #404040;--accent-light: #f5f5f5;--accent-shadow: rgba(0, 0, 0, .15);--accent-shadow-hover: rgba(0, 0, 0, .25);--success: #171717;--warning: #d97706;--error: #dc2626;--gradient-primary: linear-gradient(135deg, #ffffff 0%, #fafafa 100%);--gradient-accent: linear-gradient(135deg, #171717 0%, #404040 100%);--gradient-subtle: linear-gradient(135deg, #fafafa 0%, #f5f5f5 100%);--shadow-sm: 0 1px 2px 0 rgb(0 0 0 / .05);--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);--radius-sm: .375rem;--radius-md: .5rem;--radius-lg: .75rem;--radius-xl: 1rem;--radius-2xl: 1.5rem;--radius-full: 9999px}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;padding:0;background-color:var(--bg-primary);color:var(--text-secondary);font-family:Inter,system-ui,-apple-system,Segoe UI,Roboto,Helvetica Neue,Arial,sans-serif;line-height:1.6;transition:background-color .3s ease,color .3s ease;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}h1,h2,h3,h4,h5,h6{color:var(--text-primary);font-weight:600;line-height:1.3;margin:0 0 1rem}h1{font-size:3.5rem;font-weight:700;letter-spacing:-.025em}@media (max-width: 768px){h1{font-size:2.5rem}}h2{font-size:2.5rem;font-weight:700;letter-spacing:-.025em}@media (max-width: 768px){h2{font-size:2rem}}h3{font-size:1.5rem;font-weight:600}p{color:var(--text-secondary);margin:0 0 1rem;line-height:1.7}a{color:var(--accent-primary);text-decoration:none;transition:color .2s ease}a:hover{color:var(--accent-hover)}.text-primary{color:var(--text-primary)}.text-secondary{color:var(--text-secondary)}.text-muted{color:var(--text-muted)}.text-disabled{color:var(--text-disabled)}.bg-primary{background-color:var(--bg-primary)}.bg-secondary{background-color:var(--bg-secondary)}.bg-elevated{background-color:var(--bg-elevated)}.gradient-primary{background:var(--gradient-primary)}.gradient-accent{background:var(--gradient-accent)}.gradient-subtle{background:var(--gradient-subtle)}.container{max-width:1200px;margin:0 auto;padding:0 2rem}@media (max-width: 768px){.container{padding:0 1.5rem}}.section{padding:6rem 0}@media (max-width: 768px){.section{padding:4rem 0}}.card{background:var(--bg-elevated);border-radius:var(--radius-xl);border:1px solid var(--gray-200);box-shadow:var(--shadow-sm);transition:all .3s ease}.card:hover{box-shadow:var(--shadow-lg);border-color:var(--gray-300)}.btn{display:inline-flex;align-items:center;justify-content:center;gap:.5rem;padding:.875rem 1.75rem;border-radius:var(--radius-lg);font-weight:600;font-size:1rem;cursor:pointer;transition:all .2s ease;border:none;text-decoration:none}.btn:disabled{opacity:.6;cursor:not-allowed}.btn-primary{background:var(--gradient-accent);color:#fff;box-shadow:var(--shadow-md),0 4px 14px 0 var(--accent-shadow)}.btn-primary:hover:not(:disabled){transform:translateY(-2px);box-shadow:var(--shadow-lg),0 6px 20px 0 var(--accent-shadow-hover)}.btn-primary:active:not(:disabled){transform:translateY(0)}.btn-secondary{background:transparent;color:var(--text-primary);border:2px solid var(--gray-300)}.btn-secondary:hover:not(:disabled){border-color:var(--accent-primary);color:var(--accent-primary);transform:translateY(-2px)}