:root{--primary-color: #667eea;--primary-dark: #5a67d8;--secondary-color: #764ba2;--accent-color: #f093fb;--success-color: #4ade80;--warning-color: #fbbf24;--error-color: #f87171;--white: #ffffff;--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;--black: #000000;--gradient-primary: linear-gradient(135deg, #667eea 0%, #764ba2 100%);--gradient-secondary: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);--gradient-dark: linear-gradient(135deg, #2d3748 0%, #1a202c 100%);--gradient-light: linear-gradient(135deg, #f7fafc 0%, #edf2f7 100%);--font-family-primary: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;--font-family-mono: "JetBrains Mono", "Fira Code", monospace;--spacing-xs: .25rem;--spacing-sm: .5rem;--spacing-md: 1rem;--spacing-lg: 1.5rem;--spacing-xl: 2rem;--spacing-2xl: 3rem;--spacing-3xl: 4rem;--radius-sm: .375rem;--radius-md: .5rem;--radius-lg: .75rem;--radius-xl: 1rem;--radius-2xl: 1.5rem;--radius-full: 9999px;--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);--transition-fast: .15s ease-in-out;--transition-normal: .3s ease-in-out;--transition-slow: .5s ease-in-out;--z-dropdown: 1000;--z-sticky: 1020;--z-fixed: 1030;--z-modal-backdrop: 1040;--z-modal: 1050;--z-popover: 1060;--z-tooltip: 1070}*{margin:0;padding:0;box-sizing:border-box}html{scroll-behavior:smooth;font-size:16px;height:100%}body{font-family:var(--font-family-primary);line-height:1.6;color:var(--gray-800);background-color:var(--white);overflow-x:hidden;min-height:100vh;display:flex;flex-direction:column}body:has(app-about) .navbar,app-about .navbar{position:fixed!important;top:0!important;left:0!important;right:0!important;z-index:1001!important;transform:none!important;clip:auto!important;overflow:visible!important;height:60px!important}app-about{overflow:visible!important}app-about .about-hero{overflow:visible!important}app-root{display:flex;flex-direction:column;min-height:100vh}h1,h2,h3,h4,h5,h6{font-weight:700;line-height:1.2;margin-bottom:var(--spacing-md)}h1{font-size:3.5rem}h2{font-size:2.5rem}h3{font-size:2rem}h4{font-size:1.5rem}h5{font-size:1.25rem}h6{font-size:1rem}p{margin-bottom:var(--spacing-md);color:var(--gray-600)}.btn{display:inline-flex;align-items:center;justify-content:center;padding:var(--spacing-sm) var(--spacing-lg);border:none;border-radius:var(--radius-md);font-weight:600;text-decoration:none;cursor:pointer;transition:all var(--transition-normal);position:relative;overflow:hidden}.btn-primary{background:var(--gradient-primary);color:var(--white);box-shadow:var(--shadow-md)}.btn-primary:hover{transform:translateY(-2px);box-shadow:var(--shadow-lg)}.btn-secondary{background:var(--white);color:var(--primary-color);border:2px solid var(--primary-color)}.btn-secondary:hover{background:var(--primary-color);color:var(--white);transform:translateY(-2px)}.btn-ghost{background:transparent;color:var(--gray-600);border:2px solid var(--gray-200)}.btn-ghost:hover{background:var(--gray-100);color:var(--gray-800)}.card{background:var(--white);border-radius:var(--radius-xl);box-shadow:var(--shadow-md);padding:var(--spacing-xl);transition:all var(--transition-normal);border:1px solid var(--gray-100)}.card:hover{transform:translateY(-4px);box-shadow:var(--shadow-xl)}.card-gradient{background:var(--gradient-primary);color:var(--white)}@keyframes fadeInUp{0%{opacity:0;transform:translateY(30px)}to{opacity:1;transform:translateY(0)}}@keyframes fadeInLeft{0%{opacity:0;transform:translate(-30px)}to{opacity:1;transform:translate(0)}}@keyframes fadeInRight{0%{opacity:0;transform:translate(30px)}to{opacity:1;transform:translate(0)}}@keyframes slideInUp{0%{opacity:0;transform:translateY(100px)}to{opacity:1;transform:translateY(0)}}@keyframes pulse{0%,to{opacity:1}50%{opacity:.5}}@keyframes float{0%,to{transform:translateY(0)}50%{transform:translateY(-10px)}}.animate-fade-in-up{animation:fadeInUp .6s ease-out}.animate-fade-in-left{animation:fadeInLeft .6s ease-out}.animate-fade-in-right{animation:fadeInRight .6s ease-out}.animate-slide-in-up{animation:slideInUp .8s ease-out}.animate-pulse{animation:pulse 2s infinite}.animate-float{animation:float 3s ease-in-out infinite}.text-gradient{background:var(--gradient-primary);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}.bg-gradient{background:var(--gradient-primary)}.glass{background:#ffffff1a;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);border:1px solid rgba(255,255,255,.2)}@media (max-width: 768px){h1{font-size:2.5rem}h2{font-size:2rem}h3{font-size:1.5rem}.card{padding:var(--spacing-lg)}}::-webkit-scrollbar{width:8px}::-webkit-scrollbar-track{background:var(--gray-100)}::-webkit-scrollbar-thumb{background:var(--gradient-primary);border-radius:var(--radius-full)}::-webkit-scrollbar-thumb:hover{background:var(--primary-dark)}*:focus{outline:2px solid var(--primary-color);outline-offset:2px}::selection{background:var(--primary-color);color:var(--white)}