#header{z-index:100;background:0 0;border-bottom:1px solid #0000;width:100%;padding:10px 0;transition:all .4s;position:fixed;top:0}#header.scrolled{-webkit-backdrop-filter:blur(12px);border-bottom:1px solid var(--border);background:#0f172ad9;padding:0}.header-content{justify-content:space-between;align-items:center;height:70px;display:flex}.logo{color:var(--text-muted);letter-spacing:-.5px;font-family:Fira Code,monospace;font-size:1.1rem}.logo-name{color:var(--text-main);margin-left:5px;font-weight:700}.logo-tag{color:var(--accent);font-weight:800}nav{align-items:center;gap:30px;display:flex}.nav-links{gap:32px;list-style:none;display:flex}.nav-links a{color:var(--text-muted);font-size:.9rem;font-weight:500}.nav-links a:hover{color:var(--primary)}.btn-nav{border:1px solid var(--border);border-radius:6px;padding:8px 20px;color:var(--text-main)!important}.btn-nav:hover{border-color:var(--primary);background:#3b82f61a}.mobile-menu-icon{cursor:pointer;color:#fff;font-size:1.5rem;display:none}.header-actions{align-items:center;gap:24px;display:flex}.lang-switch{border-left:1px solid var(--border);align-items:center;gap:8px;padding-left:20px;display:flex}.lang-btn{font-family:var(--font-body);color:var(--text-muted);cursor:pointer;background:0 0;border:none;border-radius:4px;padding:4px 8px;font-size:.85rem;font-weight:600;transition:all .3s}.lang-btn:hover{color:var(--text-main);background:#ffffff0d}.lang-btn.active{color:var(--primary);background:#3b82f61a;box-shadow:0 0 10px #3b82f633}.theme-btn{cursor:pointer;background:0 0;border:none;font-size:1.25rem;transition:transform .3s}.theme-btn:hover{transform:scale(1.15)}.divider{color:var(--border);font-size:.8rem}@media (width<=900px){.hide-mobile{display:none}.logo-name{font-size:1rem}.header-actions{gap:20px}.lang-switch{border-left:none;gap:4px;padding-left:0}.lang-btn{padding:2px 4px;font-size:.75rem}.theme-btn{font-size:1.1rem}nav{gap:0}.nav-links{display:none}.mobile-menu-icon{color:var(--text-main);font-weight:700;display:block}.nav-links.active{background:var(--bg-surface);border-bottom:2px solid var(--primary);flex-direction:column;align-items:center;gap:20px;width:100%;padding:30px 20px;display:flex;position:absolute;top:60px;left:0;box-shadow:0 10px 30px #00000080}.btn-nav{background:0 0;border:none;padding:0}.btn-nav:hover{background:0 0}}.hero{align-items:center;min-height:90vh;padding:160px 0 100px;display:flex}.hero-grid{grid-template-columns:1.2fr 1fr;align-items:center;gap:80px;display:grid}.bio{color:var(--text-muted);max-width:550px;margin-bottom:40px;font-size:1.15rem;line-height:1.8}.hero-buttons{gap:16px;margin-bottom:48px;display:flex}.stats-row{border-top:1px solid var(--border);gap:40px;padding-top:32px;display:flex}.stat{color:var(--text-muted);font-size:.95rem}.stat strong{color:var(--text-main);margin-bottom:4px;font-size:1.2rem;display:block}.hero-visual{justify-content:center;display:flex;position:relative}.glass-card{-webkit-backdrop-filter:blur(20px);backdrop-filter:blur(20px);z-index:2;background:#1e293b66;border:1px solid #ffffff1a;border-radius:24px;justify-content:center;align-items:flex-end;width:320px;height:380px;display:flex;position:relative;box-shadow:0 20px 50px #0000004d}.avatar-img{object-fit:contain;object-position:bottom;width:90%;height:90%}.bg-blur{background:var(--primary);opacity:.15;filter:blur(100px);z-index:1;width:350px;height:350px;position:absolute;top:50%;left:50%;transform:translate(-50%,-50%)}.floating-badge{background:var(--bg-surface);border:1px solid var(--border);border-radius:12px;justify-content:center;align-items:center;width:50px;height:50px;font-size:1.5rem;animation:3s ease-in-out infinite float;display:flex;position:absolute;box-shadow:0 10px 20px #0003}.badge-java{color:#f89820;animation-delay:0s;top:-20px;right:-10px}.badge-react{color:#61dafb;animation-delay:1.5s;bottom:30px;left:-20px}.badge-spring{color:#6db33f;animation-delay:.8s;top:20px;left:-25px}.badge-js{color:#f0db4f;animation-delay:2.5s;bottom:100px;right:-25px}@keyframes float{0%,to{transform:translateY(0)}50%{transform:translateY(-10px)}}@media (width<=900px){.hero-grid{text-align:center;grid-template-columns:1fr;gap:40px}.hero-visual{order:-1}.bio{margin:0 auto 30px}.hero-buttons,.stats-row{justify-content:center}}.typing-cursor{color:var(--accent);font-weight:400;animation:1s step-end infinite blink}@keyframes blink{0%,to{opacity:1}50%{opacity:0}}.progress-container{z-index:1000;background:0 0;width:100%;height:3px;position:fixed;top:0;left:0}.progress-bar{background:linear-gradient(90deg, var(--primary), var(--accent));width:0%;height:100%;transition:width .1s ease-out}.scroll-to-top{background:linear-gradient(135deg, var(--primary), var(--accent));color:#fff;opacity:0;visibility:hidden;cursor:pointer;z-index:999;border:none;border-radius:50%;justify-content:center;align-items:center;width:50px;height:50px;font-size:1.5rem;transition:all .3s;display:flex;position:fixed;bottom:30px;right:30px;transform:translateY(20px);box-shadow:0 4px 15px #3b82f64d}.scroll-to-top.show-btn{opacity:1;visibility:visible;transform:translateY(0)}.scroll-to-top:hover{transform:translateY(-5px)scale(1.05);box-shadow:0 8px 25px #06b6d480}.reveal-wrapper{opacity:0;will-change:opacity, transform;transition:opacity .8s cubic-bezier(.16,1,.3,1),transform .8s cubic-bezier(.16,1,.3,1);transform:translateY(40px)}.reveal-visible{opacity:1;transform:translateY(0)}:root{--bg-body:#0f172a;--bg-surface:#1e293b;--primary:#3b82f6;--accent:#06b6d4;--text-main:#f8fafc;--text-muted:#94a3b8;--border:#94a3b81a;--font-title:"Sora", sans-serif;--font-body:"Inter", sans-serif}[data-theme=light]{--bg-body:#f8fafc;--bg-surface:#fff;--primary:#2563eb;--accent:#0891b2;--text-main:#0f172a;--text-muted:#475569;--border:#0f172a26}[data-theme=light] #header.scrolled{background:#f8fafcd9}[data-theme=light] .glass-card{background:#fff9;border-color:#0000001a}[data-theme=light] .master-card,[data-theme=light] .std-card{background:var(--bg-surface);border-color:var(--border)}[data-theme=light] .master-img{border-right-color:var(--border);background:#e2e8f0}[data-theme=light] .proj-header h3,[data-theme=light] .link-item.code{color:var(--text-main)}[data-theme=light] .link-item.code:hover{background:#0000000d}[data-theme=light] .contact-box{background:var(--bg-surface)}[data-theme=light] .contact-form input,[data-theme=light] .contact-form textarea{color:var(--text-main);background:#f1f5f9;border-color:#cbd5e1}[data-theme=light] .contact-form input:focus,[data-theme=light] .contact-form textarea:focus{border-color:var(--primary);background:#fff}*{box-sizing:border-box;margin:0;padding:0}html,body{scroll-behavior:smooth;width:100%;position:relative;overflow-x:hidden}html{scroll-padding-top:90px}body{background-color:var(--bg-body);color:var(--text-main);font-family:var(--font-body);line-height:1.6}::-webkit-scrollbar{width:10px}::-webkit-scrollbar-track{background:var(--bg-body)}::-webkit-scrollbar-thumb{border:2px solid var(--bg-body);background:#334155;border-radius:5px}::-webkit-scrollbar-thumb:hover{background:var(--primary)}::selection{background:var(--primary);color:#fff}a{color:inherit;text-decoration:none;transition:all .3s}img{max-width:100%;display:block}.container{max-width:1100px;margin:0 auto;padding:0 24px}.section{padding:100px 0}.section-title{font-family:var(--font-title);margin-bottom:12px;font-size:2rem;font-weight:700}.text-gradient{background:linear-gradient(90deg,#60a5fa,#22d3ee);-webkit-text-fill-color:transparent;-webkit-background-clip:text;background-clip:text}.btn{cursor:pointer;border-radius:8px;justify-content:center;align-items:center;gap:8px;padding:12px 28px;font-weight:600;transition:all .3s;display:inline-flex}.btn-primary{background:var(--primary);color:#fff;border:none;box-shadow:0 4px 20px #3b82f666}.btn-primary:hover{background:#2563eb;transform:translateY(-2px);box-shadow:0 6px 25px #3b82f680}.btn-outline{border:1px solid var(--border);color:var(--text-main);font-family:var(--font-body);background:0 0}.btn-outline:hover{border-color:var(--text-main);background:#ffffff0d}:focus{outline:none}:focus-visible{outline:2px dashed var(--accent);outline-offset:4px;border-radius:4px;transition:outline-offset .2s;box-shadow:0 0 0 4px #06b6d41a}.btn:active,.filter-btn:active,.lang-btn:active,.theme-btn:active{transform:scale(.96)}