:root{--bg-primary:#0b0d17;--bg-secondary:#111327;--bg-card:#151833;--bg-card-hover:#1a1e40;--accent-primary:#3b82f6;--accent-light:#60a5fa;--accent-dark:#2563eb;--accent-cyan:#22d3ee;--accent-glow:rgba(59,130,246,.15);--accent-glow-strong:rgba(59,130,246,.3);--text-primary:#f1f5f9;--text-secondary:#94a3b8;--text-muted:#64748b;--text-accent:#60a5fa;--border-subtle-chat:hsla(0,0%,100%,.2);--border-subtle:hsla(0,0%,100%,.06);--border-accent:rgba(59,130,246,.3);--radius-sm:8px;--radius-md:12px;--radius-lg:20px;--radius-xl:28px;--radius-full:50%;--transition-fast:0.2s ease;--transition-base:0.3s ease;--transition-slow:0.5s ease;--font-sans:"Inter",-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;--font-mono:"JetBrains Mono",monospace;--shadow-card:0 4px 24px rgba(0,0,0,.3);--shadow-glow:0 0 30px rgba(59,130,246,.1);--max-width:1200px;--nav-height:72px}*,:after,:before{margin:0;padding:0;box-sizing:border-box}html{scroll-behavior:smooth;font-size:16px}body{font-family:var(--font-sans);background-color:var(--bg-primary);background-image:radial-gradient(rgba(59,130,246,.045) 1px,transparent 0);background-size:32px 32px;color:var(--text-primary);line-height:1.7;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;overflow-x:hidden}a{color:inherit;text-decoration:none}img{max-width:100%;height:auto;display:block}button{font-family:inherit;cursor:pointer;border:none;outline:none}ol,ul{list-style:none}::selection{background:var(--accent-primary);color:#fff}::-webkit-scrollbar{width:6px}::-webkit-scrollbar-track{background:var(--bg-primary)}::-webkit-scrollbar-thumb{background:var(--accent-primary);border-radius:3px}::-webkit-scrollbar-thumb:hover{background:var(--accent-light)}.page-container{min-height:100vh;display:flex;flex-direction:column;position:relative}.page-container:after,.page-container:before{content:"";position:fixed;border-radius:50%;pointer-events:none;z-index:0}.page-container:before{top:15%;left:-120px;width:500px;height:500px;background:radial-gradient(circle,rgba(59,130,246,.055) 0,transparent 70%);animation:ambientFloat 25s ease-in-out infinite}.page-container:after{bottom:10%;right:-120px;width:450px;height:450px;background:radial-gradient(circle,rgba(34,211,238,.04) 0,transparent 70%);animation:ambientFloat 30s ease-in-out infinite reverse}.page-content{flex:1 1;width:100%;max-width:var(--max-width);margin:0 auto;padding:calc(var(--nav-height) + 40px) 24px 60px}.section-title{font-size:2.25rem;font-weight:800;margin-bottom:3rem;position:relative;display:inline-block}.section-title:after{content:"";position:absolute;bottom:-8px;left:0;width:60px;height:4px;background:var(--accent-primary);border-radius:2px}.section-title span{color:var(--accent-light)}.navbar{position:fixed;top:0;left:0;right:0;height:var(--nav-height);z-index:1000;display:flex;align-items:center;justify-content:space-between;padding:0 clamp(16px,4vw,48px);background:rgba(11,13,23,.85);backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);border-bottom:1px solid var(--border-subtle);transition:background var(--transition-base)}.navbar.scrolled{background:rgba(11,13,23,.95);box-shadow:0 2px 20px rgba(0,0,0,.3)}.nav-logo{font-size:1.25rem;font-weight:800;color:var(--text-primary);letter-spacing:-.5px}.nav-logo span{color:var(--accent-primary)}.nav-links{display:flex;align-items:center;gap:8px}.nav-links a{padding:8px 16px;border-radius:var(--radius-sm);font-size:.875rem;font-weight:500;color:var(--text-secondary);transition:all var(--transition-fast);position:relative}.nav-links a:hover{color:var(--text-primary);background:var(--accent-glow)}.nav-links a.active{color:var(--accent-light);background:var(--accent-glow)}.nav-mobile-toggle{display:none;background:none;color:var(--text-primary);font-size:1.5rem;padding:8px}.nav-mobile-menu{display:none;position:fixed;top:var(--nav-height);left:0;right:0;bottom:0;background:rgba(11,13,23,.98);-webkit-backdrop-filter:blur(20px);backdrop-filter:blur(20px);flex-direction:column;align-items:center;justify-content:center;gap:16px;z-index:999;animation:fadeIn .3s ease}.nav-mobile-menu.open{display:flex}.nav-mobile-menu a{font-size:1.25rem;font-weight:600;padding:12px 32px;color:var(--text-secondary);border-radius:var(--radius-md);transition:all var(--transition-fast)}.nav-mobile-menu a.active,.nav-mobile-menu a:hover{color:var(--accent-light);background:var(--accent-glow)}.hero{min-height:100vh;display:flex;align-items:center;justify-content:center;position:relative;padding:calc(var(--nav-height) + 24px) 24px 40px}.hero,.hero-bg{overflow:hidden}.hero-bg{position:absolute;inset:0;z-index:0}.hero-bg:before{top:-40%;right:-20%;width:700px;height:700px;background:radial-gradient(circle,rgba(59,130,246,.08) 0,transparent 70%);animation:pulseGlow 8s ease-in-out infinite}.hero-bg:after,.hero-bg:before{content:"";position:absolute;border-radius:50%}.hero-bg:after{bottom:-30%;left:-15%;width:500px;height:500px;background:radial-gradient(circle,rgba(34,211,238,.06) 0,transparent 70%);animation:pulseGlow 10s ease-in-out infinite reverse}.galaxy-container{position:absolute;inset:0;pointer-events:none;z-index:1}.galaxy-star-wrapper{position:absolute;animation:floatStar var(--duration,15s) ease-in-out infinite;opacity:0;transition:opacity .5s ease}.galaxy-star{display:flex;align-items:center;justify-content:center;border-radius:50%;background:rgba(21,24,51,.5);border:1px solid hsla(0,0%,100%,.04);box-shadow:0 4px 12px rgba(0,0,0,.2);-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);transition:transform .3s ease,box-shadow .3s ease,background .3s ease,border-color .3s ease}.galaxy-star svg{width:50%;height:50%}@media (min-width:1440px){.galaxy-star-wrapper{opacity:.6;pointer-events:auto}.galaxy-star:hover{opacity:1;transform:scale(1.4);background:var(--bg-card);border-color:var(--accent-primary);box-shadow:0 0 20px rgba(59,130,246,.4);z-index:10}}@media (min-width:1920px){.galaxy-star-wrapper{opacity:.85}}@keyframes floatStar{0%,to{transform:translateY(0)}50%{transform:translateY(-25px)}}.hero-content{max-width:var(--max-width);width:100%;display:grid;grid-template-columns:1fr 1fr;grid-gap:60px;gap:60px;align-items:center;position:relative;z-index:1}.hero-text{display:flex;flex-direction:column;gap:24px}.hero-greeting{font-size:1rem;font-weight:500;color:var(--accent-light);font-family:var(--font-mono);letter-spacing:1px}.hero-name{font-size:clamp(2.5rem,5vw,4rem);font-weight:900;line-height:1.1;letter-spacing:-1.5px}.hero-name span{color:var(--accent-primary)}.hero-tagline{font-size:1.125rem;color:var(--text-secondary);line-height:1.6;max-width:500px}.hero-tagline .highlight{color:var(--accent-cyan);font-weight:600}.hero-cta{display:flex;align-items:center;gap:16px;flex-wrap:wrap;margin-top:8px}.btn-primary{display:inline-flex;align-items:center;gap:8px;padding:14px 28px;background:var(--accent-primary);color:#fff;border-radius:var(--radius-md);font-weight:600;font-size:.9375rem;transition:all var(--transition-fast);box-shadow:0 4px 15px rgba(59,130,246,.3)}.btn-primary:hover{background:var(--accent-dark);transform:translateY(-2px);box-shadow:0 6px 25px rgba(59,130,246,.4)}.btn-outline{display:inline-flex;align-items:center;gap:8px;padding:14px 28px;background:transparent;color:var(--accent-light);border:1.5px solid var(--border-accent);border-radius:var(--radius-md);font-weight:600;font-size:.9375rem;transition:all var(--transition-fast)}.btn-outline:hover{background:var(--accent-glow);border-color:var(--accent-primary);transform:translateY(-2px)}.hero-social{display:flex;gap:12px;margin-top:16px}.hero-social a{display:flex;align-items:center;justify-content:center;width:44px;height:44px;border-radius:var(--radius-sm);border:1px solid var(--border-subtle);color:var(--text-muted);font-size:1.2rem;transition:all var(--transition-fast)}.hero-social a:hover{color:var(--accent-light);border-color:var(--accent-primary);background:var(--accent-glow);transform:translateY(-2px)}.hero-freelance-banner{margin-top:24px;padding:14px 20px;background:rgba(34,211,238,.06);border:1px solid rgba(34,211,238,.15);border-radius:var(--radius-md);display:flex;align-items:center;gap:12px;font-size:.875rem;color:var(--accent-cyan)}.hero-freelance-banner .pulse-dot{width:8px;height:8px;border-radius:50%;background:var(--accent-cyan);animation:pulse 2s ease-in-out infinite;flex-shrink:0}.hero-orbit-container{position:relative;width:100%;aspect-ratio:1;max-width:420px;margin:0 auto}.hero-portrait{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);width:180px;height:180px;border-radius:50%;overflow:hidden;border:3px solid var(--accent-primary);box-shadow:0 0 40px rgba(59,130,246,.2);z-index:2}.hero-portrait img{width:100%;height:100%;object-fit:cover;object-position:center top}.orbit-ring{position:absolute;top:50%;left:50%;border:1px dashed var(--border-subtle);border-radius:50%}.orbit-ring-1{width:270px;height:270px;animation:spinOrbit 30s linear infinite}.orbit-ring-1,.orbit-ring-2{transform:translate(-50%,-50%)}.orbit-ring-2{width:350px;height:350px;animation:spinOrbit 45s linear infinite reverse}.orbit-ring-3{width:420px;height:420px;transform:translate(-50%,-50%);animation:spinOrbit 60s linear infinite}.orbit-icon{position:absolute;display:flex;align-items:center;justify-content:center;width:42px;height:42px;border-radius:50%;background:var(--bg-card);border:1px solid var(--border-subtle);font-size:1.1rem;box-shadow:var(--shadow-card);transition:transform .3s ease,box-shadow .3s ease}.orbit-icon:hover{transform:scale(1.3);box-shadow:0 0 20px rgba(59,130,246,.3);z-index:10}.orbit-ring-1 .orbit-icon{animation:counterSpin 30s linear infinite}.orbit-ring-2 .orbit-icon{animation:counterSpin 45s linear infinite reverse}.orbit-ring-3 .orbit-icon{animation:counterSpin 60s linear infinite}.about-grid{display:grid;grid-template-columns:1fr 1fr;grid-gap:60px;gap:60px;align-items:start}.about-text p{color:var(--text-secondary);margin-bottom:20px;font-size:1.0625rem;line-height:1.8}.about-text .emphasis{color:var(--accent-light);font-weight:600}.about-stats{display:grid;grid-template-columns:1fr 1fr;grid-gap:20px;gap:20px}.stat-card{background:var(--bg-card);border:1px solid var(--border-subtle);border-radius:var(--radius-md);padding:28px 24px;text-align:center;transition:all var(--transition-base)}.stat-card:hover{border-color:var(--border-accent);background:var(--bg-card-hover);transform:translateY(-4px);box-shadow:var(--shadow-glow)}.stat-number{font-size:2.5rem;font-weight:800;color:var(--accent-primary);line-height:1;margin-bottom:8px}.stat-label{font-size:.8125rem;color:var(--text-muted);text-transform:uppercase;letter-spacing:1px;font-weight:500}.about-hobbies{display:flex;flex-wrap:wrap;gap:10px;margin-top:24px}.hobby-tag{padding:8px 16px;background:var(--bg-card);border:1px solid var(--border-subtle);border-radius:var(--radius-xl);font-size:.8125rem;color:var(--text-secondary);display:flex;align-items:center;gap:6px;transition:all var(--transition-fast)}.hobby-tag:hover{border-color:var(--border-accent);color:var(--accent-light)}.experience-timeline{position:relative;padding-left:40px}.experience-timeline:before{content:"";position:absolute;left:15px;top:0;bottom:0;width:2px;background:linear-gradient(to bottom,var(--accent-primary),var(--border-subtle))}.exp-item{position:relative;margin-bottom:48px}.exp-item:last-child{margin-bottom:0}.exp-dot{position:absolute;left:-33px;top:6px;width:14px;height:14px;border-radius:50%;background:var(--accent-primary);border:3px solid var(--bg-primary);box-shadow:0 0 0 3px var(--accent-glow-strong)}.exp-card{background:var(--bg-card);border:1px solid var(--border-subtle);border-radius:var(--radius-lg);padding:32px;transition:all var(--transition-base)}.exp-card:hover{border-color:var(--border-accent);transform:translateX(8px);box-shadow:var(--shadow-glow)}.exp-header{gap:20px;margin-bottom:16px}.exp-header,.exp-logo{display:flex;align-items:center}.exp-logo{width:56px;height:56px;border-radius:var(--radius-md);background:#fff;padding:8px;justify-content:center;flex-shrink:0}.exp-logo img{width:100%;height:100%;object-fit:contain}.exp-title{font-size:1.25rem;font-weight:700;margin-bottom:4px}.exp-company{font-size:.9375rem;color:var(--accent-light);font-weight:600}.exp-meta{display:flex;flex-wrap:wrap;gap:16px;margin-bottom:16px;font-size:.8125rem;color:var(--text-muted)}.exp-meta span{display:flex;align-items:center;gap:6px}.exp-badge{display:inline-block;padding:4px 12px;border-radius:var(--radius-xl);font-size:.75rem;font-weight:600;letter-spacing:.5px;text-transform:uppercase}.exp-badge.full-time{background:rgba(59,130,246,.15);color:var(--accent-light)}.exp-badge.internship{background:rgba(34,211,238,.15);color:var(--accent-cyan)}.exp-highlights{margin-top:16px}.exp-highlights li{position:relative;padding-left:20px;margin-bottom:8px;color:var(--text-secondary);font-size:.9375rem}.exp-highlights li:before{content:"▸";position:absolute;left:0;color:var(--accent-primary);font-weight:700}.projects-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(360px,1fr));grid-gap:24px;gap:24px}.project-card{background:var(--bg-card);border:1px solid var(--border-subtle);border-radius:var(--radius-lg);overflow:hidden;transition:all var(--transition-base);display:flex;flex-direction:column}.project-card:hover{border-color:var(--border-accent);transform:translateY(-6px);box-shadow:0 12px 40px rgba(59,130,246,.1)}.project-card-image{height:180px;background:var(--bg-secondary);display:flex;align-items:center;justify-content:center;overflow:hidden;border-bottom:1px solid var(--border-subtle)}.project-card-image img{max-height:100%;max-width:80%;object-fit:contain}.project-card-placeholder{height:180px;background:linear-gradient(135deg,var(--bg-secondary),var(--bg-card));display:flex;align-items:center;justify-content:center;font-size:3rem;color:var(--accent-primary);opacity:.3;border-bottom:1px solid var(--border-subtle)}.project-card-body{padding:24px;flex:1 1;display:flex;flex-direction:column}.project-card-title{font-size:1.125rem;font-weight:700;margin-bottom:8px}.project-card-desc{font-size:.875rem;color:var(--text-secondary);line-height:1.6;margin-bottom:16px;flex:1 1}.project-card-techs{display:flex;flex-wrap:wrap;gap:6px;margin-bottom:16px}.tech-tag{padding:4px 10px;background:rgba(59,130,246,.08);border:1px solid rgba(59,130,246,.15);border-radius:var(--radius-xl);font-size:.75rem;font-family:var(--font-mono);color:var(--accent-light)}.project-card-links{display:flex;gap:12px;margin-top:auto}.project-card-links a{display:inline-flex;align-items:center;gap:6px;font-size:.8125rem;font-weight:500;color:var(--text-muted);padding:6px 12px;border-radius:var(--radius-sm);border:1px solid var(--border-subtle);transition:all var(--transition-fast)}.project-card-links a:hover{color:var(--accent-light);border-color:var(--accent-primary);background:var(--accent-glow)}.project-featured{display:grid;grid-template-columns:1fr 1fr;grid-gap:0;gap:0;background:var(--bg-card);border:1px solid var(--border-subtle);border-radius:var(--radius-lg);overflow:hidden;transition:all var(--transition-base)}.project-featured:hover{border-color:var(--border-accent);box-shadow:0 12px 40px rgba(59,130,246,.1)}.project-featured-image{background:var(--bg-secondary);display:flex;align-items:center;justify-content:center;overflow:hidden;min-height:300px}.project-featured-image img{width:100%;height:100%;object-fit:cover}.project-featured-placeholder{background:linear-gradient(135deg,var(--bg-secondary),var(--bg-card));display:flex;align-items:center;justify-content:center;font-size:4rem;color:var(--accent-primary);opacity:.3;min-height:300px}.project-featured-body{padding:36px;display:flex;flex-direction:column;justify-content:center}.project-featured-title{font-size:1.5rem;font-weight:800;margin-bottom:16px}.project-featured-desc{font-size:.9375rem;color:var(--text-secondary);line-height:1.7;margin-bottom:20px}@media (max-width:768px){.project-featured{grid-template-columns:1fr}.project-featured-image{min-height:200px}.project-featured-body{padding:24px}}.pub-card{background:var(--bg-card);border:1px solid var(--border-subtle);border-radius:var(--radius-lg);padding:36px;transition:all var(--transition-base);position:relative;overflow:hidden}.pub-card:before{content:"";position:absolute;top:0;left:0;right:0;height:3px;background:var(--accent-primary)}.pub-card:hover{border-color:var(--border-accent);box-shadow:var(--shadow-glow)}.pub-venue{display:inline-block;padding:6px 14px;background:rgba(59,130,246,.12);border:1px solid rgba(59,130,246,.2);border-radius:var(--radius-xl);font-size:.8125rem;font-weight:700;color:var(--accent-light);margin-bottom:16px;font-family:var(--font-mono)}.pub-title{font-size:1.25rem;font-weight:700;line-height:1.5;margin-bottom:12px}.pub-authors{font-size:.9375rem;color:var(--text-secondary);margin-bottom:16px}.pub-authors .me{color:var(--accent-light);font-weight:700}.pub-abstract{font-size:.875rem;color:var(--text-muted);line-height:1.7;margin-bottom:20px}.pub-link{display:inline-flex;align-items:center;gap:8px;font-size:.875rem;font-weight:600;color:var(--accent-primary);transition:all var(--transition-fast)}.pub-link:hover{color:var(--accent-light);transform:translateX(4px)}.contact-grid{display:grid;grid-template-columns:1fr 1fr;grid-gap:48px;gap:48px}.contact-info-section h3{font-size:1.25rem;font-weight:700;margin-bottom:24px}.contact-info-item{display:flex;align-items:flex-start;gap:16px;margin-bottom:20px}.contact-info-icon{width:44px;height:44px;border-radius:var(--radius-sm);background:var(--accent-glow);border:1px solid var(--border-accent);display:flex;align-items:center;justify-content:center;color:var(--accent-light);font-size:1.1rem;flex-shrink:0}.contact-info-label{font-size:.8125rem;color:var(--text-muted);margin-bottom:2px;text-transform:uppercase;letter-spacing:.5px}.contact-info-value{font-size:.9375rem;color:var(--text-primary)}.contact-social{display:flex;gap:12px;margin-top:24px}.contact-social a{display:flex;align-items:center;justify-content:center;width:44px;height:44px;border-radius:var(--radius-sm);border:1px solid var(--border-subtle);color:var(--text-muted);font-size:1.2rem;transition:all var(--transition-fast)}.contact-social a:hover{color:var(--accent-light);border-color:var(--accent-primary);background:var(--accent-glow)}.freelance-section{margin-top:48px;padding-top:48px;border-top:1px solid var(--border-subtle)}.freelance-title{font-size:1.5rem;font-weight:800;margin-bottom:8px}.freelance-subtitle{color:var(--text-secondary);margin-bottom:32px;font-size:1rem}.freelance-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(240px,1fr));grid-gap:20px;gap:20px}.freelance-card{background:var(--bg-card);border:1px solid var(--border-subtle);border-radius:var(--radius-md);padding:24px;transition:all var(--transition-base)}.freelance-card:hover{border-color:var(--border-accent);background:var(--bg-card-hover);transform:translateY(-4px);box-shadow:var(--shadow-glow)}.freelance-card h4{font-size:1rem;font-weight:700;margin-bottom:8px;color:var(--text-primary)}.freelance-card p{font-size:.8125rem;color:var(--text-secondary);line-height:1.6}.contact-form{display:flex;flex-direction:column;gap:16px}.contact-form h3{font-size:1.25rem;font-weight:700;margin-bottom:8px}.form-group{display:flex;flex-direction:column;gap:6px}.form-group label{font-size:.8125rem;color:var(--text-muted);font-weight:500;text-transform:uppercase;letter-spacing:.5px}.form-group input,.form-group textarea{padding:14px 16px;background:var(--bg-secondary);border:1px solid var(--border-subtle);border-radius:var(--radius-sm);color:var(--text-primary);font-family:var(--font-sans);font-size:.9375rem;transition:all var(--transition-fast);outline:none}.form-group input:focus,.form-group textarea:focus{border-color:var(--accent-primary);box-shadow:0 0 0 3px var(--accent-glow)}.form-group textarea{resize:vertical;min-height:120px}.form-submit{align-self:flex-start}.footer{text-align:center;padding:32px 24px;border-top:1px solid var(--border-subtle);color:var(--text-muted);font-size:.8125rem}.footer span{color:var(--accent-light)}.chatbot-wrapper{position:fixed;bottom:2rem;right:2rem;z-index:1000;display:flex;align-items:flex-end;justify-content:flex-end}.chatbot-fab-container{display:flex;align-items:center;gap:16px;transition:transform .3s cubic-bezier(.175,.885,.32,1.275)}.chatbot-tooltip{background-color:var(--bg-card);color:var(--text-primary);font-size:.95rem;font-weight:500;padding:10px 18px;border-radius:20px;border:1px solid var(--border-subtle);position:relative;box-shadow:0 4px 15px rgba(0,0,0,.4);animation:floatTooltip 3s ease-in-out infinite;white-space:nowrap;opacity:0;pointer-events:none;transition:opacity .8s ease}.chatbot-fab-container:hover .chatbot-tooltip,.chatbot-tooltip.visible{opacity:1}.chatbot-tooltip:before{right:-7px;border-width:6.5px 0 6.5px 6.5px;border-style:solid;border-color:transparent transparent transparent var(--border-subtle)}.chatbot-tooltip:after,.chatbot-tooltip:before{content:"";position:absolute;top:50%;transform:translateY(-50%)}.chatbot-tooltip:after{right:-6px;border-width:6px 0 6px 6px;border-style:solid;border-color:transparent transparent transparent var(--bg-card)}@keyframes 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