:root{--primary-color: #2563eb;--primary-dark: #1d4ed8;--secondary-color: #7c3aed;--accent-color: #dc2626;--gold-accent: #f59e0b;--text-primary: #1f2937;--text-secondary: #6b7280;--text-light: #9ca3af;--bg-primary: #ffffff;--bg-secondary: #f9fafb;--bg-tertiary: #f3f4f6;--border-color: #e5e7eb;--border-light: #f3f4f6;--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);--gradient-primary: linear-gradient(135deg, #667eea 0%, #764ba2 100%);--gradient-secondary: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);--gradient-accent: linear-gradient(135deg, #4facfe 0%, #00f2fe 100%);--transition: all .3s ease;--transition-fast: all .2s ease;--border-radius: .5rem;--border-radius-lg: 1rem}*{margin:0;padding:0;box-sizing:border-box}html{scroll-behavior:smooth}body{font-family:Inter,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,Cantarell,sans-serif;line-height:1.6;color:var(--text-primary);background-color:var(--bg-primary);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}h1,h2,h3,h4,h5,h6{font-weight:700;line-height:1.2;margin-bottom:1rem;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)}p{margin-bottom:1rem;color:var(--text-secondary)}a{color:var(--primary-color);text-decoration:none;transition:all .3s ease}a:hover{color:var(--primary-dark)}.portfolio-container{min-height:100vh;display:flex;flex-direction:column;background-color:var(--bg-primary)}.main-content{flex:1;padding-top:80px}.section{padding:5rem 0;position:relative;scroll-margin-top:80px;background-color:var(--bg-primary)}.section-title{text-align:center;margin-bottom:3rem;position:relative}.section-title h2{color:var(--text-primary);font-weight:700;margin-bottom:1rem}.section-title p{color:var(--text-secondary);font-size:1.1rem}.section-title:after{content:"";position:absolute;bottom:-10px;left:50%;transform:translate(-50%);width:60px;height:4px;background:var(--gradient-primary);border-radius:2px}.container{max-width:1200px;margin:0 auto;padding:0 1.5rem}.btn{display:inline-flex;align-items:center;justify-content:center;padding:.75rem 1.5rem;border:none;border-radius:.5rem;font-weight:600;font-size:1rem;text-decoration:none;cursor:pointer;transition:all .3s ease;position:relative;overflow:hidden}.btn-primary{background:var(--gradient-primary);color:#fff}.btn-primary:hover{transform:translateY(-2px);box-shadow:var(--shadow-lg)}.btn-secondary{background:transparent;color:var(--primary-color);border:2px solid var(--primary-color)}.btn-secondary:hover{background:var(--primary-color);color:#fff}.btn-accent{background:var(--accent-color);color:#fff;border:none}.btn-accent:hover{background:#b91c1c;transform:translateY(-2px);box-shadow:var(--shadow-lg)}.card{background:var(--bg-primary);border-radius:1rem;padding:2rem;box-shadow:var(--shadow-md);transition:all .3s ease;border:1px solid var(--border-color)}.card:hover{transform:translateY(-5px);box-shadow:var(--shadow-xl)}.grid{display:grid;gap:2rem}.grid-2{grid-template-columns:repeat(auto-fit,minmax(300px,1fr))}.grid-3{grid-template-columns:repeat(auto-fit,minmax(250px,1fr))}.grid-4{grid-template-columns:repeat(auto-fit,minmax(200px,1fr))}.text-center{text-align:center}.text-left{text-align:left}.text-right{text-align:right}.mb-1{margin-bottom:.5rem}.mb-2{margin-bottom:1rem}.mb-3{margin-bottom:1.5rem}.mb-4{margin-bottom:2rem}.mb-5{margin-bottom:3rem}.mt-1{margin-top:.5rem}.mt-2{margin-top:1rem}.mt-3{margin-top:1.5rem}.mt-4{margin-top:2rem}.mt-5{margin-top:3rem}.p-1{padding:.5rem}.p-2{padding:1rem}.p-3{padding:1.5rem}.p-4{padding:2rem}.p-5{padding:3rem}@media (max-width: 768px){.section{padding:3rem 0}.container{padding:0 1rem}.grid-2,.grid-3,.grid-4{grid-template-columns:1fr}}@media (max-width: 480px){.section{padding:2rem 0}h1{font-size:2rem}h2{font-size:1.5rem}h3{font-size:1.25rem}}.fade-in{opacity:0;transform:translateY(30px);transition:all .6s ease}.fade-in.visible{opacity:1;transform:translateY(0)}.slide-in-left{opacity:0;transform:translate(-50px);transition:all .6s ease}.slide-in-left.visible{opacity:1;transform:translate(0)}.slide-in-right{opacity:0;transform:translate(50px);transition:all .6s ease}.slide-in-right.visible{opacity:1;transform:translate(0)}.loading{display:inline-block;width:20px;height:20px;border:3px solid rgba(255,255,255,.3);border-radius:50%;border-top-color:#fff;animation:spin 1s ease-in-out infinite}@keyframes spin{to{transform:rotate(360deg)}}::-webkit-scrollbar{width:8px}::-webkit-scrollbar-track{background:var(--bg-secondary)}::-webkit-scrollbar-thumb{background:var(--primary-color);border-radius:4px}::-webkit-scrollbar-thumb:hover{background:var(--primary-dark)}