.container{max-width:1200px;margin:0 auto;padding:0 2rem}.navbar{position:fixed;top:0;left:0;right:0;z-index:1000;background-color:var(--bg-primary);border-bottom:1px solid var(--border-color);transition:all var(--transition-base);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);background-color:rgba(var(--bg-primary-rgb, 255, 255, 255),.8)}[data-theme=dark] .navbar{background-color:#0d1117cc}.navbar.scrolled{box-shadow:var(--shadow-md)}.navbar-container{max-width:1200px;margin:0 auto;padding:1rem 2rem;display:flex;justify-content:space-between;align-items:center}.navbar-logo{font-size:1.5rem;font-weight:700;color:var(--accent-primary);text-decoration:none;transition:color var(--transition-fast)}.navbar-menu{display:flex;list-style:none;gap:2rem;align-items:center}.navbar-link{color:var(--text-primary);text-decoration:none;font-weight:500;transition:color var(--transition-fast);position:relative}.navbar-link:after{content:"";position:absolute;bottom:-5px;left:0;width:0;height:2px;background-color:var(--accent-primary);transition:width var(--transition-base)}.navbar-link:hover{color:var(--accent-primary)}.navbar-link:hover:after{width:100%}.navbar-actions{display:flex;align-items:center;gap:1rem}.theme-toggle{background:none;border:none;color:var(--text-primary);cursor:pointer;padding:.5rem;border-radius:50%;display:flex;align-items:center;justify-content:center;transition:background-color var(--transition-fast)}.theme-toggle:hover{background-color:var(--bg-secondary)}.mobile-menu-toggle{display:none;background:none;border:none;color:var(--text-primary);cursor:pointer;padding:.5rem}.hero{min-height:100vh;display:flex;align-items:center;padding:8rem 2rem 4rem;background:linear-gradient(180deg,var(--bg-primary) 0%,var(--bg-secondary) 100%)}.hero-container{max-width:1200px;margin:0 auto;width:100%}.hero-content{max-width:700px}.hero-greeting{font-size:1.25rem;color:var(--accent-primary);margin-bottom:.5rem;font-weight:500}.hero-name{font-size:clamp(3rem,8vw,5rem);font-weight:700;margin-bottom:.5rem;color:var(--text-primary);line-height:1.1}.hero-title{font-size:clamp(2rem,5vw,3.5rem);font-weight:600;margin-bottom:1.5rem;color:var(--text-secondary);line-height:1.2}.hero-description{font-size:1.125rem;color:var(--text-secondary);margin-bottom:2rem;line-height:1.7;max-width:600px}.hero-actions{display:flex;gap:1rem;margin-bottom:3rem;flex-wrap:wrap}.hero-social{display:flex;gap:1.5rem}.social-link{color:var(--text-secondary);transition:color var(--transition-fast);display:flex;align-items:center;justify-content:center}.social-link:hover{color:var(--accent-primary)}.btn{display:inline-flex;align-items:center;gap:.5rem;padding:.875rem 1.75rem;font-size:1rem;font-weight:500;text-decoration:none;border:none;border-radius:.5rem;cursor:pointer;transition:all var(--transition-fast);font-family:inherit}.btn-primary{background-color:var(--accent-primary);color:#fff}.btn-primary:hover{background-color:var(--accent-secondary)}.btn-secondary{background-color:transparent;color:var(--text-primary);border:1px solid var(--border-color)}.btn-secondary:hover{background-color:var(--bg-secondary);border-color:var(--accent-primary)}section{padding:6rem 0;scroll-margin-top:80px}.section-title{font-size:clamp(2rem,5vw,3rem);font-weight:700;margin-bottom:3rem;text-align:center;color:var(--text-primary);position:relative;display:inline-block;width:100%}.section-title:after{content:"";position:absolute;bottom:-10px;left:50%;transform:translate(-50%);width:60px;height:4px;background-color:var(--accent-primary);border-radius:2px}.about{background-color:var(--bg-secondary)}.about-content{display:grid;grid-template-columns:2fr 1fr;gap:4rem;align-items:start}.about-text p{margin-bottom:1.5rem;font-size:1.125rem;color:var(--text-secondary);line-height:1.8}.about-highlights{display:flex;flex-direction:column;gap:2rem}.highlight-item{display:flex;flex-direction:column;align-items:center;padding:1.5rem;background-color:var(--bg-primary);border-radius:.75rem;box-shadow:var(--shadow-sm)}.highlight-number{font-size:2.5rem;font-weight:700;color:var(--accent-primary);margin-bottom:.5rem}.highlight-label{font-size:.875rem;color:var(--text-secondary);text-transform:uppercase;letter-spacing:1px}.skills-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:2rem}.skill-category{background-color:var(--bg-secondary);padding:2rem;border-radius:1rem;border:1px solid var(--border-color);transition:transform var(--transition-base),box-shadow var(--transition-base)}.skill-category:hover{transform:translateY(-5px);box-shadow:var(--shadow-lg)}.skill-category-title{font-size:1.5rem;font-weight:600;margin-bottom:1.5rem;color:var(--text-primary)}.skill-items{display:flex;flex-wrap:wrap;gap:1rem}.skill-item{display:flex;flex-direction:column;align-items:center;gap:.5rem;padding:1rem;background-color:var(--bg-primary);border-radius:.5rem;min-width:100px;transition:all var(--transition-fast);border:1px solid var(--border-color)}.skill-item span{font-size:.875rem;color:var(--text-secondary);text-align:center}.skill-item svg{color:var(--accent-primary)}.projects{background-color:var(--bg-secondary)}.projects-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:2rem}.project-card{background-color:var(--bg-primary);border-radius:1rem;overflow:hidden;border:1px solid var(--border-color);transition:all var(--transition-base);box-shadow:var(--shadow-sm)}.project-card:hover{box-shadow:var(--shadow-lg)}.project-image{position:relative;width:100%;height:200px;background:linear-gradient(135deg,var(--accent-primary),var(--accent-secondary));overflow:hidden}.project-image-placeholder{width:100%;height:100%;display:flex;align-items:center;justify-content:center;font-size:4rem;font-weight:700;color:#fff;opacity:.8}.project-overlay{position:absolute;top:0;left:0;right:0;bottom:0;background-color:#000c;display:flex;align-items:center;justify-content:center;gap:1.5rem;opacity:0;transition:opacity var(--transition-base)}.project-card:hover .project-overlay{opacity:1}.project-overlay a{color:#fff;transition:transform var(--transition-fast)}.project-overlay a:hover{transform:scale(1.2)}.project-content{padding:1.5rem}.project-title{font-size:1.5rem;font-weight:600;margin-bottom:.75rem;color:var(--text-primary)}.project-description{color:var(--text-secondary);margin-bottom:1.5rem;line-height:1.6}.project-technologies{display:flex;flex-wrap:wrap;gap:.5rem}.tech-tag{font-size:.75rem;padding:.25rem .75rem;background-color:var(--bg-secondary);color:var(--text-secondary);border-radius:1rem;border:1px solid var(--border-color)}.experience-timeline{max-width:800px;margin:0 auto}.experience-item{background-color:var(--bg-secondary);padding:2rem;border-radius:1rem;margin-bottom:2rem;border-left:4px solid var(--accent-primary);transition:transform var(--transition-base),box-shadow var(--transition-base)}.experience-item:hover{transform:translate(10px);box-shadow:var(--shadow-md)}.experience-header{display:flex;justify-content:space-between;align-items:flex-start;margin-bottom:1rem;flex-wrap:wrap;gap:1rem}.experience-title{font-size:1.5rem;font-weight:600;color:var(--text-primary);margin-bottom:.25rem}.experience-company{font-size:1.125rem;color:var(--accent-primary);font-weight:500}.experience-meta{display:flex;flex-direction:column;gap:.5rem;align-items:flex-end}.experience-period,.experience-location{display:flex;align-items:center;gap:.5rem;font-size:.875rem;color:var(--text-secondary)}.experience-description{list-style:none;padding-left:0}.experience-description li{position:relative;padding-left:1.5rem;margin-bottom:.75rem;color:var(--text-secondary);line-height:1.6}.experience-description li:before{content:"▹";position:absolute;left:0;color:var(--accent-primary);font-weight:700}.competitive-programming{background-color:var(--bg-primary)}.section-subtitle{font-size:1.125rem;color:var(--text-secondary);max-width:700px;margin:0 auto;line-height:1.7}.platforms-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:2rem;margin-bottom:4rem}.platform-card{background-color:var(--bg-secondary);border-radius:1rem;padding:2rem;border:1px solid var(--border-color);transition:all var(--transition-base);box-shadow:var(--shadow-sm);display:flex;flex-direction:column}.platform-card:hover{box-shadow:var(--shadow-lg);border-color:var(--accent-primary)}.platform-header{display:flex;align-items:center;gap:1rem;margin-bottom:1rem}.platform-icon{font-size:2.5rem;line-height:1}.platform-info{flex:1;display:flex;justify-content:space-between;align-items:center}.platform-name{font-size:1.5rem;font-weight:600;color:var(--text-primary);margin:0}.platform-badge{font-size:.75rem;padding:.25rem .75rem;border-radius:1rem;color:#fff;font-weight:500;text-transform:uppercase;letter-spacing:.5px}.platform-description{color:var(--text-secondary);margin-bottom:1.5rem;line-height:1.6;flex:1}.platform-stats{display:grid;grid-template-columns:repeat(3,1fr);gap:1rem;margin-bottom:1.5rem}.stat-item{display:flex;flex-direction:column;align-items:center;padding:.75rem;background-color:var(--bg-primary);border-radius:.5rem;border:1px solid var(--border-color)}.stat-value{font-size:1.25rem;font-weight:700;color:var(--accent-primary);margin-bottom:.25rem}.stat-label{font-size:.75rem;color:var(--text-secondary);text-align:center;line-height:1.2}.platform-link{display:inline-flex;align-items:center;justify-content:center;gap:.5rem;padding:.75rem 1.5rem;background-color:var(--accent-primary);color:#fff;text-decoration:none;border-radius:.5rem;font-weight:500;transition:all var(--transition-fast);margin-top:auto}.platform-link:hover{background-color:var(--accent-secondary);transform:translateY(-2px)}.leetcode-heatmap-section{margin:4rem 0;padding:2rem;background-color:var(--bg-secondary);border-radius:1rem}.subsection-title{font-size:2rem;font-weight:600;color:var(--text-primary);margin-bottom:2rem;text-align:center}.heatmap-container{width:100%;max-width:900px;margin:0 auto;position:relative}.leetcode-heatmap{width:100%;height:200px;border:none;border-radius:.5rem;background-color:var(--bg-primary)}.leetcode-stats{width:100%;min-height:200px;display:flex;align-items:center;justify-content:center}.stats-placeholder{text-align:center;padding:3rem;background:linear-gradient(135deg,var(--bg-primary),var(--bg-secondary));border-radius:.5rem;border:2px dashed var(--border-color);width:100%}.stats-placeholder p:first-child{font-size:1.5rem;font-weight:600;color:var(--text-primary);margin-bottom:.5rem}.stats-note{color:var(--text-secondary);margin-bottom:1.5rem}.leetcode-profile-link{display:inline-flex;align-items:center;gap:.5rem;padding:.75rem 1.5rem;background-color:var(--accent-primary);color:#fff;text-decoration:none;border-radius:.5rem;font-weight:500;transition:all var(--transition-fast)}.leetcode-profile-link:hover{background-color:var(--accent-secondary)}.leetcode-heatmap-image{width:100%;height:auto;border-radius:.5rem;box-shadow:var(--shadow-md)}.heatmap-note{margin-top:1rem;font-size:.875rem;color:var(--text-secondary);text-align:center}.heatmap-note a{color:var(--accent-primary);text-decoration:none}.heatmap-note a:hover{text-decoration:underline}.achievements-section{margin-top:4rem}.achievements-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:2rem}.achievement-card{background-color:var(--bg-secondary);padding:2rem;border-radius:1rem;border:1px solid var(--border-color);text-align:center;transition:all var(--transition-base);box-shadow:var(--shadow-sm)}.achievement-card:hover{box-shadow:var(--shadow-md);transform:translateY(-5px)}.achievement-icon{width:60px;height:60px;margin:0 auto 1rem;display:flex;align-items:center;justify-content:center;background:linear-gradient(135deg,var(--accent-primary),var(--accent-secondary));border-radius:50%;color:#fff}.achievement-title{font-size:1.25rem;font-weight:600;color:var(--text-primary);margin-bottom:.75rem}.achievement-description{color:var(--text-secondary);line-height:1.6;font-size:.9375rem}.contact{background-color:var(--bg-secondary)}.contact-content{max-width:900px;margin:0 auto;display:grid;grid-template-columns:1fr 1.5fr;gap:4rem}.contact-info h3{font-size:1.5rem;font-weight:600;margin-bottom:1rem;color:var(--text-primary)}.contact-info p{color:var(--text-secondary);margin-bottom:2rem;line-height:1.7}.contact-email{display:inline-flex;align-items:center;gap:.75rem;color:var(--accent-primary);text-decoration:none;font-weight:500;transition:color var(--transition-fast)}.contact-email:hover{color:var(--accent-secondary)}.contact-form{display:flex;flex-direction:column;gap:1.5rem}.form-group{display:flex;flex-direction:column;gap:.5rem}.form-group label{font-weight:500;color:var(--text-primary);font-size:.875rem}.form-group input,.form-group textarea{padding:.875rem;border:1px solid var(--border-color);border-radius:.5rem;background-color:var(--bg-primary);color:var(--text-primary);font-family:inherit;font-size:1rem;transition:border-color var(--transition-fast)}.form-group input:focus,.form-group textarea:focus{outline:none;border-color:var(--accent-primary)}.form-group textarea{resize:vertical;min-height:120px}.footer{background-color:var(--bg-primary);border-top:1px solid var(--border-color);padding:2rem 0}.footer-content{display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:1rem}.footer-text{color:var(--text-secondary);font-size:.875rem}.footer-social{display:flex;gap:1.5rem}.footer-social a{color:var(--text-secondary);transition:color var(--transition-fast)}.footer-social a:hover{color:var(--accent-primary)}@media (max-width: 768px){.container{padding:0 1.5rem}.navbar-container{padding:1rem 1.5rem}.navbar-menu{position:fixed;top:70px;left:0;right:0;background-color:var(--bg-primary);flex-direction:column;padding:2rem;gap:1.5rem;border-bottom:1px solid var(--border-color);transform:translateY(-100%);opacity:0;visibility:hidden;transition:all var(--transition-base);box-shadow:var(--shadow-lg)}.navbar-menu.active{transform:translateY(0);opacity:1;visibility:visible}.mobile-menu-toggle{display:block}.hero{padding:6rem 1.5rem 4rem}.hero-actions{flex-direction:column}.hero-actions .btn{width:100%;justify-content:center}.about-content{grid-template-columns:1fr;gap:2rem}.about-highlights{flex-direction:row;justify-content:space-around}.skills-grid,.projects-grid{grid-template-columns:1fr}.experience-header{flex-direction:column}.experience-meta{align-items:flex-start;flex-direction:row;gap:1rem}.contact-content{grid-template-columns:1fr;gap:2rem}.platforms-grid,.platform-stats,.achievements-grid{grid-template-columns:1fr}.leetcode-heatmap{height:150px}.footer-content{flex-direction:column;text-align:center}}@media (max-width: 480px){.hero-name{font-size:2.5rem}.hero-title{font-size:1.75rem}.section-title{font-size:2rem}.about-highlights{flex-direction:column}}@media (prefers-reduced-motion: reduce){*,*:before,*:after{animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important}}*{margin:0;padding:0;box-sizing:border-box}:root{--bg-primary: #ffffff;--bg-secondary: #f8f9fa;--bg-tertiary: #e9ecef;--text-primary: #212529;--text-secondary: #6c757d;--accent-primary: #0066ff;--accent-secondary: #0052cc;--border-color: #dee2e6;--shadow-sm: 0 1px 3px rgba(0, 0, 0, .1);--shadow-md: 0 4px 6px rgba(0, 0, 0, .1);--shadow-lg: 0 10px 25px rgba(0, 0, 0, .1);--transition-fast: .15s;--transition-base: .3s;--transition-slow: .5s}[data-theme=dark]{--bg-primary: #0d1117;--bg-secondary: #161b22;--bg-tertiary: #21262d;--text-primary: #f0f6fc;--text-secondary: #8b949e;--accent-primary: #58a6ff;--accent-secondary: #79c0ff;--border-color: #30363d;--shadow-sm: 0 1px 3px rgba(0, 0, 0, .3);--shadow-md: 0 4px 6px rgba(0, 0, 0, .3);--shadow-lg: 0 10px 25px rgba(0, 0, 0, .4)}html{scroll-behavior:smooth}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,Cantarell,Fira Sans,Droid Sans,Helvetica Neue,sans-serif;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;background-color:var(--bg-primary);color:var(--text-primary);transition:background-color var(--transition-base),color var(--transition-base);line-height:1.6}code{font-family:source-code-pro,Menlo,Monaco,Consolas,Courier New,monospace}*{will-change:auto}img{max-width:100%;height:auto;display:block}@media (prefers-reduced-motion: no-preference){html{scroll-behavior:smooth}}*:focus-visible{outline:2px solid var(--accent-primary);outline-offset:2px}