.navbar{position:sticky;top:0;z-index:1000;background-color:var(--bg-primary);border-bottom:1px solid var(--border-color);backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);border-bottom:1px solid rgba(229,231,235,.5);transition:all var(--transition-normal)}[data-theme=dark] .navbar{border-bottom:1px solid rgba(255,255,255,.05)}.nav-container{max-width:var(--max-width-wide);margin:0 auto;padding:0 var(--spacing-md);height:var(--nav-height);display:flex;align-items:center;justify-content:space-between}.nav-brand{display:flex;align-items:center;gap:var(--spacing-sm);font-weight:700;font-size:1.25rem;letter-spacing:-.02em}.nav-logo{width:36px;height:36px;background:var(--text-primary);color:var(--bg-primary);display:flex;align-items:center;justify-content:center;border-radius:8px;font-weight:800;font-size:1.25rem;transition:transform var(--transition-fast)}.nav-brand:hover .nav-logo{transform:scale(1.05)}.nav-title{color:var(--text-primary)}.nav-actions{display:flex;align-items:center;gap:var(--spacing-xs)}.nav-btn{height:40px;display:flex;align-items:center;justify-content:center;border-radius:8px;color:var(--text-primary);transition:all var(--transition-fast);border:1px solid transparent}.theme-toggle{width:40px}.portfolio-link{width:40px;height:40px;padding:0;border-radius:50%;overflow:hidden;border:2px solid var(--accent);background-color:transparent}.portfolio-link:hover{transform:scale(1.1);box-shadow:0 4px 12px var(--shadow)}.profile-img{width:100%;height:100%;object-fit:cover;display:block}.dsa-link{width:40px;height:40px;padding:4px;border-radius:8px;overflow:hidden;border:2px solid var(--accent);background-color:transparent}.dsa-link:hover{transform:scale(1.1);box-shadow:0 4px 12px var(--shadow)}.dsa-img{width:100%;height:100%;object-fit:contain;display:block}.nav-btn:hover{background-color:var(--bg-secondary);border-color:var(--border-color)}.nav-btn:active{transform:scale(.95)}@media(max-width:768px){.nav-title{font-size:1rem}.nav-logo{width:32px;height:32px;font-size:1rem}.nav-btn,.dsa-link,.portfolio-link{width:36px;height:36px}}@media(max-width:480px){.nav-title{display:none}}.footer{background-color:var(--bg-secondary);border-top:1px solid var(--border-color);padding:var(--spacing-xl) var(--spacing-md);margin-top:auto}.footer-container{max-width:var(--max-width-wide);margin:0 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var(--border-color)}.footer-copyright{color:var(--text-muted);font-size:.875rem;margin-bottom:var(--spacing-xs)}.footer-made{color:var(--text-muted);font-size:.8rem}.heart{color:#ef4444;animation:heartbeat 1.5s ease-in-out infinite}@keyframes heartbeat{0%,to{transform:scale(1)}50%{transform:scale(1.2)}}@media(max-width:768px){.footer-content{flex-direction:column;gap:var(--spacing-md)}.footer-links{gap:var(--spacing-xs)}.footer-link{width:36px;height:36px}.footer-link svg{width:18px;height:18px}}.back-to-top{position:fixed;bottom:var(--spacing-lg);right:var(--spacing-lg);width:50px;height:50px;border-radius:50%;background-color:var(--text-primary);color:var(--bg-primary);display:flex;align-items:center;justify-content:center;cursor:pointer;opacity:0;visibility:hidden;transform:translateY(20px);transition:all var(--transition-normal);z-index:999;box-shadow:var(--shadow-lg);border:1px solid transparent}.back-to-top.visible{opacity:1;visibility:visible;transform:translateY(0)}.back-to-top:hover{transform:translateY(-4px);box-shadow:var(--shadow-xl);background-color:var(--accent);color:#fff}[data-theme=dark] .back-to-top{background-color:var(--text-primary);color:var(--bg-primary)}[data-theme=dark] .back-to-top:hover{background-color:var(--bg-tertiary);color:var(--text-primary);border-color:var(--border-color)}@media(max-width:768px){.back-to-top{bottom:var(--spacing-md);right:var(--spacing-md);width:44px;height:44px}}.hero{min-height:60vh;display:flex;align-items:center;justify-content:center;position:relative;overflow:hidden;padding:var(--spacing-3xl) var(--spacing-md)}.hero-container{max-width:var(--max-width);width:100%;text-align:center;position:relative;z-index:1}.hero-title{font-size:clamp(3rem,12vw,8rem);font-weight:900;line-height:1;margin-bottom:var(--spacing-lg);letter-spacing:-.04em}.hero-title-main{display:block;background:linear-gradient(135deg,var(--text-primary) 0%,var(--text-secondary) 100%);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}.hero-title-accent{display:block;background:linear-gradient(135deg,#000,#666);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;background-size:200% auto}[data-theme=dark] .hero-title-accent{background:linear-gradient(135deg,#fff,#888);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}@keyframes glowPulseLight{0%,to{filter:drop-shadow(0 0 20px rgba(0,0,0,.1));background-position:0% 50%}50%{filter:drop-shadow(0 0 40px rgba(0,0,0,.2));background-position:100% 50%}}@keyframes glowPulseDark{0%,to{filter:drop-shadow(0 0 20px rgba(255,255,255,.1));background-position:0% 50%}50%{filter:drop-shadow(0 0 40px rgba(255,255,255,.2));background-position:100% 50%}}.hero-title-accent{animation:glowPulseLight 4s ease-in-out infinite}[data-theme=dark] .hero-title-accent{animation:glowPulseDark 4s ease-in-out infinite}.hero-subtitle{font-size:clamp(1.25rem,3vw,1.75rem);color:var(--text-secondary);margin-bottom:var(--spacing-md);font-weight:500}.hero-description{font-size:clamp(1rem,2vw,1.125rem);color:var(--text-muted);max-width:600px;margin:0 auto var(--spacing-xl);line-height:1.7}.hero-cta{display:inline-flex;align-items:center;gap:var(--spacing-sm);background:var(--text-primary);color:var(--bg-primary);padding:var(--spacing-sm) var(--spacing-lg);border-radius:50px;font-size:1rem;font-weight:600;border:none;cursor:pointer;transition:all var(--transition-normal);box-shadow:0 4px 14px #007aff66}.hero-cta:hover{transform:translateY(-2px);box-shadow:0 6px 20px #007aff80;background:var(--accent-secondary)}.hero-cta:active{transform:translateY(0)}.hero-cta svg{transition:transform var(--transition-fast)}.hero-cta:hover svg{transform:translateY(3px)}.hero-glow{position:absolute;width:600px;height:600px;background:radial-gradient(circle,rgba(0,122,255,.15) 0%,transparent 70%);border-radius:50%;top:50%;left:50%;transform:translate(-50%,-50%);pointer-events:none;animation:glowFloat 6s ease-in-out infinite}[data-theme=dark] .hero-glow{background:radial-gradient(circle,rgba(0,122,255,.2) 0%,transparent 70%)}@keyframes glowFloat{0%,to{transform:translate(-50%,-50%) scale(1);opacity:.8}50%{transform:translate(-50%,-50%) scale(1.1);opacity:1}}@media(max-width:768px){.hero{min-height:50vh;padding:var(--spacing-xl) var(--spacing-md)}.hero-description{padding:0 var(--spacing-sm)}}@media(max-width:480px){.hero{min-height:45vh}.hero-glow{width:300px;height:300px}}.blog-card{background-color:var(--bg-secondary);border:1px solid var(--border-color);border-radius:16px;overflow:hidden;transition:all var(--transition-normal);display:flex;flex-direction:column}.blog-card:hover{transform:translateY(-4px);border-color:var(--accent);box-shadow:var(--shadow-xl)}[data-theme=dark] .blog-card:hover{box-shadow:0 20px 25px -5px #00000080,0 10px 10px -5px #0000004d;border-color:var(--accent)}.blog-card-image{width:100%;height:200px;overflow:hidden}.blog-card-image img{width:100%;height:100%;object-fit:cover;transition:transform var(--transition-normal)}.blog-card:hover .blog-card-image img{transform:scale(1.05)}.blog-card-content{padding:var(--spacing-lg);display:flex;flex-direction:column;flex-grow:1}.blog-card-meta{display:flex;align-items:center;gap:var(--spacing-xs);font-size:.875rem;color:var(--text-muted);margin-bottom:var(--spacing-sm)}.blog-card-date{font-weight:500;transition:color var(--transition-fast)}.blog-card:hover .blog-card-date{color:var(--accent)}.blog-card-title{font-size:1.25rem;font-weight:700;color:var(--text-primary);margin-bottom:var(--spacing-sm);line-height:1.4;transition:color var(--transition-fast)}.blog-card:hover .blog-card-title{color:var(--accent)}.blog-card-excerpt{font-size:.95rem;color:var(--text-secondary);line-height:1.6;margin-bottom:var(--spacing-md);flex-grow:1;display:-webkit-box;-webkit-line-clamp:3;line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}.blog-card-tags{display:flex;flex-wrap:wrap;gap:var(--spacing-xs);margin-bottom:var(--spacing-md)}.blog-card-tag{background-color:var(--bg-primary);color:var(--text-secondary);padding:4px 10px;border-radius:20px;font-size:.75rem;font-weight:500;border:1px solid var(--border-color);transition:all var(--transition-fast)}.blog-card:hover .blog-card-tag{border-color:var(--accent);color:var(--accent)}.blog-card-footer{margin-top:auto}.blog-card-link{display:inline-flex;align-items:center;gap:var(--spacing-xs);color:var(--accent);font-weight:600;font-size:.9rem;transition:gap var(--transition-fast)}.blog-card:hover .blog-card-link{gap:var(--spacing-sm)}.blog-card-link svg{transition:transform var(--transition-fast)}.blog-card:hover .blog-card-link svg{transform:translate(4px)}@media(max-width:768px){.blog-card-image{height:160px}.blog-card-content{padding:var(--spacing-md)}.blog-card-title{font-size:1.1rem}.blog-card-excerpt{font-size:.9rem}}.home{min-height:100vh}.posts-section{padding:var(--spacing-3xl) var(--spacing-md);padding-bottom:var(--spacing-3xl);background-color:var(--bg-primary)}.posts-container{max-width:var(--max-width-wide);margin:0 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var(--border-color);background-color:var(--bg-primary)}.index-title{font-size:1.25rem;font-weight:700;color:var(--text-primary);margin:0}.index-close-btn{background:none;border:none;color:var(--text-secondary);cursor:pointer;padding:8px;display:flex;align-items:center;justify-content:center;border-radius:6px;transition:all var(--transition-fast)}.index-close-btn:hover{background-color:var(--bg-secondary);color:var(--text-primary)}.index-nav{flex:1;overflow-y:auto;padding:var(--spacing-lg) 0}.index-item{background:none;border:none;padding:12px var(--spacing-xl);text-align:left;font-size:.95rem;color:var(--text-secondary);cursor:pointer;transition:all var(--transition-fast);line-height:1.5;border-left:3px solid transparent;width:100%;display:block}.index-item:hover{color:var(--text-primary);background-color:var(--bg-primary);border-left-color:var(--accent)}.index-item.active{color:var(--accent);background-color:var(--bg-primary);border-left-color:var(--accent);font-weight:600}.index-h3{padding-left:calc(var(--spacing-xl) + 20px);font-size:.875rem}.index-nav::-webkit-scrollbar{width:6px}.index-nav::-webkit-scrollbar-track{background:var(--bg-secondary)}.index-nav::-webkit-scrollbar-thumb{background:var(--border-color);border-radius:3px}.index-nav::-webkit-scrollbar-thumb:hover{background:var(--text-muted)}.blog-post-meta{display:flex;align-items:center;gap:var(--spacing-xs);font-size:.9rem;color:var(--text-muted);margin-bottom:var(--spacing-md)}.blog-post-date{font-weight:500}.blog-post-separator{opacity:.5}.blog-post-title{font-size:clamp(2rem,5vw,3rem);font-weight:800;color:var(--text-primary);line-height:1.2;letter-spacing:-.02em;margin-bottom:var(--spacing-md)}.blog-post-tags{display:flex;flex-wrap:wrap;gap:var(--spacing-xs)}.blog-post-tag{background-color:var(--bg-secondary);color:var(--text-secondary);padding:6px 14px;border-radius:20px;font-size:.8rem;font-weight:500;border:1px solid var(--border-color)}.blog-post-content{font-size:1.125rem;line-height:1.8;color:var(--text-primary);animation:fadeIn 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.theme-image.light-only,[data-theme=light] .theme-image.dark-only{display:none!important}.theme-image{display:block!important;margin-left:auto!important;margin-right:auto!important}.blog-post-content blockquote{margin:var(--spacing-lg) 0;padding:var(--spacing-md) var(--spacing-lg);border-left:4px solid var(--accent);background-color:var(--bg-secondary);border-radius:0 8px 8px 0}.blog-post-content blockquote p{margin:0;font-style:italic;color:var(--text-secondary)}.blog-post-content code{background-color:var(--bg-secondary);padding:2px 6px;border-radius:4px;font-family:var(--font-mono);font-size:.9em;color:var(--accent)}.blog-post-content img{max-width:100%;height:auto;border-radius:8px;margin:var(--spacing-md) 0;box-shadow:0 2px 8px #0000001a;transition:transform var(--transition-fast),box-shadow var(--transition-fast)}.blog-post-content img:hover{transform:scale(1.01);box-shadow:0 4px 16px #00000026}[data-theme=light] .blog-post-content img{box-shadow:0 2px 8px #00000014}[data-theme=light] .blog-post-content img:hover{box-shadow:0 4px 16px #0000001f}.info-box{background:linear-gradient(135deg,#007aff1a,#007aff0d);border-left:4px solid var(--accent);border-radius:8px;padding:var(--spacing-md) var(--spacing-lg);margin:var(--spacing-md) 0;box-shadow:0 2px 8px #007aff1a}[data-theme=light] .info-box{background:linear-gradient(135deg,#007aff14,#007aff08);box-shadow:0 2px 8px #007aff14}.info-box-title{font-weight:700;color:var(--accent);font-size:.9rem;text-transform:uppercase;letter-spacing:.5px;margin-bottom:8px;display:flex;align-items:center;gap:8px}.info-box-title:before{content:"💡";font-size:1.2rem}.info-box p{margin-bottom:0;font-size:.95rem;line-height:1.6}.blog-post-placeholder{padding:var(--spacing-xl);background-color:var(--bg-secondary);border-radius:12px;text-align:center}.blog-post-placeholder p{color:var(--text-secondary)}.coming-soon{margin-top:var(--spacing-md);color:var(--text-muted)!important;font-style:italic}.loading{text-align:center;padding:var(--spacing-3xl);color:var(--text-muted)}.blog-post-footer{margin-top:var(--spacing-2xl);padding-top:var(--spacing-2xl);border-top:1px solid var(--border-color)}.blog-post-author{display:flex;align-items:center;gap:var(--spacing-md)}.author-image{width:56px;height:56px;border-radius:50%;object-fit:cover;border:2px solid var(--accent)}.author-info{display:flex;flex-direction:column}.author-name{font-weight:700;color:var(--text-primary);font-size:1.1rem}@media(max-width:768px){.blog-post{padding:var(--spacing-lg) var(--spacing-md)}.index-toggle-btn{right:var(--spacing-md);bottom:100px;width:50px;height:50px}.index-toggle-btn svg{width:20px;height:20px}.index-sidebar{width:85vw;left:-85vw}.index-sidebar.open{left:0}.index-header{padding:var(--spacing-md) var(--spacing-lg)}.index-title{font-size:1.1rem}.index-item{padding:10px var(--spacing-lg);font-size:.9rem}.index-h3{padding-left:calc(var(--spacing-lg) + 16px)}.blog-post-content{font-size:1rem}.blog-post-content h2{font-size:1.5rem}.blog-post-content h3{font-size:1.25rem}}@media(max-width:1024px)and (min-width:769px){.index-toggle-btn{right:var(--spacing-lg);bottom:110px}.index-sidebar{width:350px;left:-350px}}:root{--bg-primary: #FFFFFF;--bg-secondary: #F4F4F5;--bg-tertiary: #E4E4E7;--text-primary: #000000;--text-secondary: #333333;--text-tertiary: #666666;--border-color: #E5E5E5;--accent: #000000;--accent-secondary: #333333;--code-bg: #F4F4F5;--shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, .05);--shadow: 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);--tech: #000000;--tutorial: #333333;--thoughts: #666666;--projects: #999999;--transition-fast: .2s cubic-bezier(.4, 0, .2, 1);--transition-normal: .3s cubic-bezier(.4, 0, .2, 1);--font-sans: "JetBrains Mono", "Fira Code", monospace;--font-mono: "JetBrains Mono", "Fira Code", monospace;--spacing-xs: .5rem;--spacing-sm: 1rem;--spacing-md: 1.5rem;--spacing-lg: 2.5rem;--spacing-xl: 4rem;--spacing-2xl: 6rem;--spacing-3xl: 10rem;--max-width: 1200px;--max-width-wide: 1600px;--nav-height: 80px}[data-theme=dark]{--bg-primary: #000000;--bg-secondary: #111111;--bg-tertiary: #222222;--text-primary: #FFFFFF;--text-secondary: #CCCCCC;--text-tertiary: #888888;--border-color: #333333;--accent: #FFFFFF;--accent-secondary: #CCCCCC;--code-bg: #111111;--shadow: 0 4px 6px -1px rgba(255, 255, 255, .1), 0 2px 4px -1px rgba(255, 255, 255, .05);--shadow-lg: 0 10px 15px -3px rgba(255, 255, 255, .1), 0 4px 6px -2px rgba(255, 255, 255, .05);--shadow-xl: 0 20px 25px -5px rgba(255, 255, 255, .1), 0 10px 10px -5px rgba(255, 255, 255, .05)}*{margin:0;padding:0;box-sizing:border-box}html{scroll-behavior:smooth;font-size:18px;scroll-padding-top:100px}body{font-family:var(--font-sans);font-size:1rem;line-height:1.7;color:var(--text-primary);background-color:var(--bg-primary);transition:background-color var(--transition-normal),color var(--transition-normal);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;overflow-x:hidden}h1,h2,h3,h4,h5,h6{font-weight:700;line-height:1.2;letter-spacing:-.02em;color:var(--text-primary);margin-bottom:var(--spacing-md)}h1{font-size:3rem;font-weight:800}h2{font-size:2rem;font-weight:700}h3{font-size:1.5rem;font-weight:600}p{margin-bottom:var(--spacing-md);color:var(--text-secondary);font-size:1.125rem}a{color:var(--text-primary);text-decoration:none;transition:opacity var(--transition-fast)}a:hover{opacity:.7}code{font-family:var(--font-mono);font-size:.9em;background-color:var(--code-bg);padding:.2em .4em;border-radius:4px;color:var(--text-primary)}pre{background-color:var(--code-bg);padding:var(--spacing-md);border-radius:8px;overflow-x:auto;margin-bottom:var(--spacing-md);border:1px solid var(--border-color)}pre code{background:none;padding:0;font-size:.95rem;line-height:1.6}::-webkit-scrollbar{width:10px;height:10px}::-webkit-scrollbar-track{background:var(--bg-secondary)}::-webkit-scrollbar-thumb{background:var(--border-color);border-radius:5px}::-webkit-scrollbar-thumb:hover{background:var(--text-tertiary)}::selection{background-color:var(--accent);color:var(--bg-primary)}button{font-family:var(--font-sans);cursor:pointer;border:none;background:none;transition:all var(--transition-fast)}button:focus-visible{outline:2px solid var(--accent);outline-offset:2px}.container{max-width:var(--max-width);margin:0 auto;padding:0 var(--spacing-md)}.container-wide{max-width:var(--max-width-wide);margin:0 auto;padding:0 var(--spacing-md)}@keyframes fadeIn{0%{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}@keyframes slideDown{0%{opacity:0;transform:translateY(-10px)}to{opacity:1;transform:translateY(0)}}.animate-in{animation:fadeIn .6s ease forwards}@media(max-width:768px){html{font-size:14px}h1{font-size:2rem}h2{font-size:1.5rem}h3{font-size:1.25rem}p{font-size:1rem}}*:focus-visible{outline:2px solid var(--accent);outline-offset:2px}img{max-width:100%;height:auto;display:block}.loading{display:inline-block;width:20px;height:20px;border:3px solid var(--border-color);border-top-color:var(--accent);border-radius:50%;animation:spin .8s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}