.header{position:sticky;top:0;z-index:1000;background-color:var(--bg-primary);border-bottom:1px solid var(--border-color);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);transition:var(--transition)}.header-content{max-width:1200px;margin:0 auto;padding:var(--spacing-sm) var(--spacing-md);display:flex;justify-content:space-between;align-items:center;position:relative}.logo-text{font-size:1.5rem;font-weight:700;color:var(--accent-primary);letter-spacing:-.5px}.nav{display:flex;align-items:center;gap:var(--spacing-md)}.nav-list{display:flex;list-style:none;gap:var(--spacing-md);margin:0}.nav-list a{color:var(--text-secondary);font-weight:500;padding:var(--spacing-xs) var(--spacing-sm);border-radius:var(--radius-sm);transition:var(--transition)}.nav-list a:hover{color:var(--accent-primary);background-color:var(--bg-secondary)}.theme-toggle{width:40px;height:40px;border-radius:var(--radius-sm);background-color:var(--bg-secondary);display:flex;align-items:center;justify-content:center;font-size:1.4rem;transition:var(--transition);border:1px solid var(--border-color);color:var(--text-primary)}.theme-toggle:hover{transform:scale(1.05);background-color:var(--accent-primary);color:#fff}.theme-toggle i{display:flex;align-items:center;justify-content:center}.hamburger{display:none;width:40px;height:40px;background-color:var(--bg-secondary);border:1px solid var(--border-color);border-radius:var(--radius-sm);color:var(--text-primary);font-size:1.5rem;align-items:center;justify-content:center;cursor:pointer;transition:var(--transition);z-index:1001}.hamburger:hover{background-color:var(--accent-primary);color:#fff}.hamburger i{display:flex;align-items:center;justify-content:center}@media (max-width: 768px){.hamburger{display:flex}.nav{position:fixed;top:0;right:-100%;width:250px;height:100vh;background-color:var(--bg-primary);border-left:1px solid var(--border-color);flex-direction:column;padding:var(--spacing-lg) var(--spacing-md);gap:var(--spacing-md);transition:right .3s ease;box-shadow:-4px 0 12px var(--shadow);overflow-y:auto}.nav-open{right:0}.nav-list{flex-direction:column;gap:0;width:100%}.nav-list li{width:100%}.nav-list a{display:block;width:100%;padding:var(--spacing-sm);text-align:left;font-size:1rem;border-radius:var(--radius-sm)}.theme-toggle{width:100%;height:45px}}@media (max-width: 480px){.hamburger{width:36px;height:36px;font-size:1.3rem}.nav{width:200px;padding:var(--spacing-sm)}.logo-text{font-size:.95rem}}.hero{min-height:80vh;display:flex;align-items:center;justify-content:center;padding:var(--spacing-xl) var(--spacing-md);background:linear-gradient(135deg,var(--bg-primary) 0%,var(--bg-secondary) 100%)}.hero-content{text-align:center;animation:fadeInUp .8s ease-out}.avatar-container{margin-bottom:var(--spacing-md);display:inline-block;position:relative}.avatar{width:200px;height:200px;border-radius:var(--radius-full);border:5px solid var(--accent-primary);box-shadow:0 10px 40px var(--shadow);transition:var(--transition);background-color:var(--card-bg)}.avatar:hover{transform:scale(1.05) rotate(5deg);box-shadow:0 15px 50px var(--shadow)}.hero-title{font-size:3.5rem;margin-bottom:var(--spacing-sm);background:linear-gradient(135deg,var(--accent-primary),var(--accent-hover));-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;animation:fadeInUp .8s ease-out .2s both}.hero-tagline{font-size:1.5rem;color:var(--text-secondary);font-weight:300;letter-spacing:2px;animation:fadeInUp .8s ease-out .4s both}@keyframes fadeInUp{0%{opacity:0;transform:translateY(30px)}to{opacity:1;transform:translateY(0)}}@media (max-width: 768px){.hero{min-height:60vh;padding:var(--spacing-md) var(--spacing-sm)}.avatar{width:150px;height:150px}.hero-title{font-size:2.5rem}.hero-tagline{font-size:1.2rem;letter-spacing:1px}}@media (max-width: 480px){.hero{min-height:50vh;padding:var(--spacing-sm)}.avatar{width:120px;height:120px;border-width:3px}.hero-title{font-size:2rem}.hero-tagline{font-size:1rem}}.about{padding:var(--spacing-xl) 0;background-color:var(--bg-primary)}.about-content{max-width:800px;margin:0 auto}.about-text{font-size:1.2rem;line-height:1.8;color:var(--text-secondary);margin-bottom:var(--spacing-lg);text-align:center}.skills{margin-top:var(--spacing-lg)}.skills-title{font-size:1.5rem;text-align:center;margin-bottom:var(--spacing-md);color:var(--text-primary)}.skills-grid{display:flex;flex-wrap:wrap;gap:var(--spacing-sm);justify-content:center}.skill-tag{padding:var(--spacing-xs) var(--spacing-md);background-color:var(--bg-secondary);border:1px solid var(--border-color);border-radius:var(--radius-lg);font-size:.95rem;font-weight:500;color:var(--text-primary);transition:var(--transition)}.skill-tag:hover{background-color:var(--accent-primary);color:#fff;transform:translateY(-2px);box-shadow:0 4px 12px var(--shadow)}@media (max-width: 768px){.about{padding:var(--spacing-lg) 0}.about-content{padding:0 var(--spacing-sm)}.about-text{font-size:1rem}.skills-title{font-size:1.3rem}}@media (max-width: 480px){.about{padding:var(--spacing-md) 0}.about-text{font-size:.95rem;line-height:1.6}.skills-title{font-size:1.1rem}.skill-tag{font-size:.85rem;padding:.4rem .8rem}}.timeline-section{padding:var(--spacing-lg) 0;background-color:var(--bg-secondary);position:relative}.timeline{position:relative;max-width:800px;margin:0 auto;padding:var(--spacing-sm) 0}.timeline:before{content:"";position:absolute;left:50%;top:0;bottom:0;width:2px;background:linear-gradient(to bottom,var(--accent-primary),var(--accent-hover));transform:translate(-50%)}.timeline-item{position:relative;width:100%;margin-bottom:var(--spacing-lg);display:flex}.timeline-item.left{justify-content:flex-start}.timeline-item.left .timeline-content{margin-right:calc(50% + 30px);text-align:right}.timeline-item.right{justify-content:flex-end}.timeline-item.right .timeline-content{margin-left:calc(50% + 30px);text-align:left}.timeline-content{position:relative;background-color:var(--card-bg);border:1px solid var(--border-color);border-radius:var(--radius-sm);padding:var(--spacing-sm);width:100%;box-shadow:0 2px 8px var(--shadow);transition:var(--transition);animation:fadeInScale .5s ease-out backwards}.timeline-content:before{content:"";position:absolute;top:50%;width:30px;height:2px;background-color:var(--border-color);transform:translateY(-50%);transition:var(--transition)}.timeline-item.left .timeline-content:before{right:-30px}.timeline-item.right .timeline-content:before{left:-30px}.timeline-content:hover{transform:translateY(-4px);box-shadow:0 8px 16px var(--shadow);border-color:var(--accent-primary)}.timeline-content:hover:before{background-color:var(--accent-primary)}.timeline-icon{position:absolute;top:50%;width:36px;height:36px;background-color:var(--accent-primary);border:3px solid var(--bg-secondary);border-radius:var(--radius-full);display:flex;align-items:center;justify-content:center;color:#fff;font-size:1.1rem;transform:translateY(-50%);z-index:10;transition:var(--transition)}.timeline-item.left .timeline-icon{right:-18px}.timeline-item.right .timeline-icon{left:-18px}.timeline-content:hover .timeline-icon{transform:translateY(-50%) scale(1.1) rotate(360deg);background-color:var(--accent-hover);box-shadow:0 0 15px var(--accent-primary)}.timeline-year{display:inline-block;background:linear-gradient(135deg,var(--accent-primary),var(--accent-hover));color:#fff;padding:.2rem .6rem;border-radius:var(--radius-sm);font-weight:700;font-size:.8rem;margin-bottom:var(--spacing-xs);letter-spacing:.5px}.timeline-title{font-size:1.1rem;color:var(--text-primary);margin-bottom:.25rem;font-weight:600}.timeline-description{color:var(--text-secondary);line-height:1.5;font-size:.9rem}@keyframes fadeInScale{0%{opacity:0;transform:scale(.8)}to{opacity:1;transform:scale(1)}}.timeline-item:nth-child(1) .timeline-content{animation-delay:.1s}.timeline-item:nth-child(2) .timeline-content{animation-delay:.2s}.timeline-item:nth-child(3) .timeline-content{animation-delay:.3s}.timeline-item:nth-child(4) .timeline-content{animation-delay:.4s}.timeline-item:nth-child(5) .timeline-content{animation-delay:.5s}.timeline-item:nth-child(6) .timeline-content{animation-delay:.6s}@media (max-width: 768px){.timeline-section{padding:var(--spacing-md) 0}.timeline{padding:0 var(--spacing-sm)}.timeline:before{left:28px}.timeline-item{margin-bottom:var(--spacing-md)}.timeline-item.left,.timeline-item.right{justify-content:flex-start}.timeline-item.left .timeline-content,.timeline-item.right .timeline-content{margin:0 0 0 80px;padding:var(--spacing-sm);text-align:left;width:calc(100% - 90px)}.timeline-item.left .timeline-content:before,.timeline-item.right .timeline-content:before{left:-28px;right:auto;width:28px}.timeline-item.left .timeline-icon,.timeline-item.right .timeline-icon{display:none}.timeline-title{font-size:1rem}.timeline-description{font-size:.85rem}}@media (max-width: 480px){.timeline:before{left:24px}.timeline-item.left .timeline-content,.timeline-item.right .timeline-content{margin-left:68px;width:calc(100% - 78px);padding:.75rem}.timeline-item.left .timeline-content:before,.timeline-item.right .timeline-content:before{left:-24px;width:24px}.timeline-item.left .timeline-icon,.timeline-item.right .timeline-icon{display:none}.timeline-year{font-size:.75rem;padding:.15rem .5rem}.timeline-title{font-size:.95rem}.timeline-description{font-size:.8rem;line-height:1.4}}.portfolio{padding:var(--spacing-xl) 0;background-color:var(--bg-primary)}.projects-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:var(--spacing-md);margin-top:var(--spacing-md)}.project-card{background-color:var(--card-bg);border:1px solid var(--border-color);border-radius:var(--radius-md);overflow:hidden;transition:var(--transition);box-shadow:0 2px 8px var(--shadow);display:block;text-decoration:none;color:inherit}.project-card:hover{transform:translateY(-8px);box-shadow:0 12px 24px var(--shadow);border-color:var(--accent-primary)}.project-image{width:100%;height:160px;overflow:hidden;background-color:var(--bg-secondary)}.project-image img{width:100%;height:100%;object-fit:cover;transition:var(--transition)}.project-card:hover .project-image img{transform:scale(1.05)}.project-content{padding:var(--spacing-sm) var(--spacing-md)}.project-title{font-size:1.15rem;margin-bottom:var(--spacing-xs);color:var(--text-primary);font-weight:600}.project-description{color:var(--text-secondary);line-height:1.5;font-size:.9rem}@media (max-width: 768px){.portfolio{padding:var(--spacing-lg) 0}.projects-grid{grid-template-columns:1fr;gap:var(--spacing-sm);padding:0 var(--spacing-sm)}.project-image{height:150px}.project-content{padding:var(--spacing-sm)}}@media (max-width: 480px){.portfolio{padding:var(--spacing-md) 0}.project-image{height:140px}.project-content{padding:.75rem}.project-title{font-size:1rem}.project-description{font-size:.85rem;line-height:1.4}}.footer{background-color:var(--bg-primary);border-top:1px solid var(--border-color);padding:var(--spacing-xl) 0 var(--spacing-md)}.footer-content{text-align:center}.footer-title{font-size:2rem;margin-bottom:var(--spacing-sm);color:var(--text-primary)}.footer-text{font-size:1.1rem;color:var(--text-secondary);margin-bottom:var(--spacing-lg)}.social-links{display:flex;justify-content:center;gap:var(--spacing-sm);flex-wrap:wrap;margin-bottom:var(--spacing-lg)}.social-link{display:flex;align-items:center;justify-content:center;width:50px;height:50px;background-color:var(--bg-secondary);border:1px solid var(--border-color);border-radius:var(--radius-md);transition:var(--transition);color:var(--text-primary);font-size:1.5rem}.social-link:hover{background-color:var(--accent-primary);color:#fff;transform:translateY(-4px);box-shadow:0 8px 16px var(--shadow)}.footer-bottom{margin-top:var(--spacing-lg);padding-top:var(--spacing-md);border-top:1px solid var(--border-color);color:var(--text-secondary);font-size:.9rem}@media (max-width: 768px){.footer{padding:var(--spacing-lg) 0 var(--spacing-md)}.footer-content{padding:0 var(--spacing-sm)}.footer-title{font-size:1.5rem}.footer-text{font-size:1rem}.social-links{gap:var(--spacing-sm)}}@media (max-width: 480px){.footer{padding:var(--spacing-md) 0 var(--spacing-sm)}.footer-title{font-size:1.3rem}.footer-text{font-size:.95rem;margin-bottom:var(--spacing-md)}.social-link{width:45px;height:45px;font-size:1.3rem}.footer-bottom{font-size:.85rem;margin-top:var(--spacing-md)}}.app{min-height:100vh;display:flex;flex-direction:column}main{flex:1}:root{--bg-primary: #ffffff;--bg-secondary: #f8f9fa;--text-primary: #1a1a1a;--text-secondary: #6c757d;--accent-primary: #4a90e2;--accent-hover: #357abd;--border-color: #e9ecef;--shadow: rgba(0, 0, 0, .1);--card-bg: #ffffff;--font-primary: -apple-system, BlinkMacSystemFont, "Segoe UI", "Roboto", "Oxygen", "Ubuntu", "Cantarell", "Fira Sans", "Droid Sans", "Helvetica Neue", sans-serif;--font-mono: "Courier New", monospace;--spacing-xs: .5rem;--spacing-sm: 1rem;--spacing-md: 2rem;--spacing-lg: 4rem;--spacing-xl: 6rem;--radius-sm: .5rem;--radius-md: 1rem;--radius-lg: 1.5rem;--radius-full: 50%;--transition: all .3s ease}[data-theme=dark]{--bg-primary: #1a1a1a;--bg-secondary: #2d2d2d;--text-primary: #f8f9fa;--text-secondary: #adb5bd;--accent-primary: #5fa3ee;--accent-hover: #4a90e2;--border-color: #3a3a3a;--shadow: rgba(255, 255, 255, .1);--card-bg: #2d2d2d}*{margin:0;padding:0;box-sizing:border-box}html{scroll-behavior:smooth}body{font-family:var(--font-primary);background-color:var(--bg-primary);color:var(--text-primary);line-height:1.6;transition:var(--transition);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}h1,h2,h3,h4,h5,h6{line-height:1.2;font-weight:700}a{color:inherit;text-decoration:none;cursor:pointer;transition:var(--transition)}button{font-family:inherit;cursor:pointer;border:none;background:none}img{max-width:100%;height:auto;display:block}.container{max-width:1200px;margin:0 auto;padding:0 var(--spacing-md)}.section-title{font-size:2.5rem;text-align:center;margin-bottom:var(--spacing-lg);color:var(--text-primary)}@media (max-width: 768px){.section-title{font-size:2rem;margin-bottom:var(--spacing-md)}.container{padding:0 var(--spacing-sm)}}@media (max-width: 480px){.section-title{font-size:1.5rem;margin-bottom:var(--spacing-sm)}body{font-size:14px}}