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var(--border-color);border-radius:12px;padding:1.5rem;transition:all .3s ease;text-align:center}.certification-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg);border-color:var(--primary-color)}.certification-icon{width:60px;height:60px;margin:0 auto 1rem;background:var(--gradient-primary);border-radius:12px;display:flex;align-items:center;justify-content:center;font-size:1.5rem;color:#fff}.certification-card h3{font-size:1.1rem;font-weight:600;margin-bottom:.5rem;color:var(--text-primary)}.certification-issuer{color:var(--text-secondary);font-size:.85rem;font-weight:500;margin-bottom:.75rem}.certification-date{color:var(--text-tertiary);font-size:.8rem;margin-bottom:1rem}.certification-link{display:inline-flex;align-items:center;gap:.5rem;padding:.5rem 1rem;background:var(--primary-color);color:#fff;text-decoration:none;border-radius:8px;font-size:.8rem;font-weight:500;transition:all .3s ease}.certification-link:hover{background:var(--primary-dark);transform:translateY(-1px)}@media (max-width: 768px){.certifications{padding:4rem 0}.certifications-grid{grid-template-columns:1fr;gap:1rem}.certification-card{padding:1.25rem}.certification-icon{width:50px;height:50px;font-size:1.25rem}}#root{max-width:1280px;margin:0 auto;padding:2rem;text-align:center}.logo{height:6em;padding:1.5em;will-change:filter;transition:filter .3s}.logo:hover{filter:drop-shadow(0 0 2em #646cffaa)}.logo.react:hover{filter:drop-shadow(0 0 2em #61dafbaa)}@keyframes logo-spin{0%{transform:rotate(0)}to{transform:rotate(360deg)}}@media (prefers-reduced-motion: no-preference){a:nth-of-type(2) .logo{animation:logo-spin infinite 20s linear}}.card{padding:2em}.read-the-docs{color:#888}.App{min-height:100vh;display:flex;flex-direction:column}main{flex:1}section{scroll-margin-top:80px}@keyframes fadeInUp{0%{opacity:0;transform:translateY(30px)}to{opacity:1;transform:translateY(0)}}.fade-in-up{animation:fadeInUp .6s ease-out forwards}@media (max-width: 768px){.container{padding:0 15px}}*{margin:0;padding:0;box-sizing:border-box}:root{--primary-color: #6366f1;--primary-rgb: 99, 102, 241;--primary-light: #818cf8;--primary-dark: #4338ca;--accent-color: #8b5cf6;--accent-rgb: 139, 92, 246;--accent-light: #a78bfa;--secondary-color: #06b6d4;--secondary-rgb: 6, 182, 212;--success-color: #10b981;--warning-color: #f59e0b;--bg-primary: #ffffff;--bg-primary-rgb: 255, 255, 255;--bg-secondary: #f8fafc;--bg-tertiary: #f1f5f9;--bg-quaternary: #e2e8f0;--text-primary: #0f172a;--text-secondary: #475569;--text-tertiary: #64748b;--text-quaternary: #94a3b8;--border-color: #e2e8f0;--border-light: #f1f5f9;--border-dark: #cbd5e1;--shadow-sm: 0 1px 2px 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);--gradient-primary: linear-gradient(135deg, var(--primary-color), var(--accent-color));--gradient-secondary: linear-gradient(135deg, var(--secondary-color), var(--primary-color));--gradient-subtle: linear-gradient(135deg, var(--bg-secondary), var(--bg-tertiary))}[data-theme=dark]{--primary-color: #818cf8;--primary-rgb: 129, 140, 248;--primary-light: #a5b4fc;--primary-dark: #6366f1;--accent-color: #a78bfa;--accent-rgb: 167, 139, 250;--accent-light: #c4b5fd;--secondary-color: #22d3ee;--secondary-rgb: 34, 211, 238;--bg-primary: #0f172a;--bg-primary-rgb: 15, 23, 42;--bg-secondary: #1e293b;--bg-tertiary: #334155;--bg-quaternary: #475569;--text-primary: #f1f5f9;--text-secondary: #cbd5e1;--text-tertiary: #94a3b8;--text-quaternary: #64748b;--border-color: #334155;--border-light: #475569;--border-dark: #1e293b;--shadow-sm: 0 1px 2px rgba(0, 0, 0, .3);--shadow-md: 0 4px 6px -1px rgba(0, 0, 0, .4);--shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, .4);--shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, .4);--shadow-2xl: 0 25px 50px -12px rgba(0, 0, 0, .6)}html{scroll-behavior:smooth;font-size:16px}body{font-family:Inter,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;line-height:1.7;color:var(--text-primary);background:var(--bg-primary);min-height:100vh;transition:all .3s ease;font-weight:400;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}h1,h2,h3,h4,h5,h6{font-weight:700;line-height:1.25;letter-spacing:-.025em;color:var(--text-primary)}h1{font-size:clamp(2.5rem,5vw,4rem)}h2{font-size:clamp(2rem,4vw,3rem)}h3{font-size:clamp(1.5rem,3vw,2rem)}h4{font-size:clamp(1.25rem,2.5vw,1.5rem)}h5{font-size:clamp(1.125rem,2vw,1.25rem)}h6{font-size:clamp(1rem,1.5vw,1.125rem)}.container{max-width:1400px;margin:0 auto;padding:0 clamp(1rem,5vw,2rem)}.section-title{font-size:clamp(2.5rem,5vw,3.5rem);font-weight:800;text-align:center;margin-bottom:1rem;position:relative;background:var(--gradient-primary);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}.section-title:after{content:"";position:absolute;bottom:-10px;left:50%;transform:translate(-50%);width:60px;height:4px;background:var(--gradient-primary);border-radius:2px}.section-subtitle{text-align:center;font-size:clamp(1.1rem,2vw,1.25rem);color:var(--text-secondary);margin-bottom:4rem;font-weight:500;max-width:600px;margin-left:auto;margin-right:auto}.btn{display:inline-flex;align-items:center;justify-content:center;gap:.5rem;padding:.875rem 1.75rem;border-radius:12px;font-weight:600;font-size:.9rem;text-decoration:none;border:none;cursor:pointer;transition:all .3s ease;position:relative;overflow:hidden}.btn-primary{background:var(--gradient-primary);color:#fff;box-shadow:var(--shadow-md)}.btn-primary:hover{transform:translateY(-2px);box-shadow:var(--shadow-lg)}.btn-secondary{background:var(--bg-secondary);color:var(--text-primary);border:2px solid var(--border-color)}.btn-secondary:hover{background:var(--bg-tertiary);border-color:var(--primary-color);color:var(--primary-color);transform:translateY(-1px);box-shadow:var(--shadow-md)}.btn-outline{background:transparent;color:var(--primary-color);border:2px solid var(--primary-color)}.btn-outline:hover{background:var(--primary-color);color:#fff;transform:translateY(-1px)}.card{background:var(--bg-secondary);border:1px solid var(--border-color);border-radius:16px;padding:2rem;box-shadow:var(--shadow-sm);transition:all .3s ease}.card:hover{box-shadow:var(--shadow-lg);transform:translateY(-2px);border-color:var(--primary-color)}.card-elevated{box-shadow:var(--shadow-lg);border:none}.text-gradient{background:var(--gradient-primary);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}.bg-gradient{background:var(--gradient-primary)}.rounded-full{border-radius:50%}.rounded-lg{border-radius:12px}.rounded-xl{border-radius:16px}.rounded-2xl{border-radius:20px}::-webkit-scrollbar{width:8px}::-webkit-scrollbar-track{background:var(--bg-secondary)}::-webkit-scrollbar-thumb{background:var(--gradient-primary);border-radius:4px}::-webkit-scrollbar-thumb:hover{background:var(--primary-dark)}*:focus{outline:2px solid var(--primary-color);outline-offset:2px}