:root{--bg-primary: #ffffff;--bg-secondary: #f5f7fa;--bg-tertiary: #c3cfe2;--text-primary: #333;--text-secondary: #666;--text-muted: #999;--border-color: #e1e5e9;--shadow-color: rgba(0, 0, 0, .1);--navbar-bg: rgba(255, 255, 255, .95);--card-bg: #ffffff;--timeline-bg: #ffffff;--input-bg: #ffffff;--input-border: #e1e5e9;--accent-color: #667eea;--accent-secondary: #764ba2}[data-theme=dark]{--bg-primary: #1a1a1a;--bg-secondary: #2d2d2d;--bg-tertiary: #404040;--text-primary: #ffffff;--text-secondary: #cccccc;--text-muted: #999999;--border-color: #404040;--shadow-color: rgba(0, 0, 0, .3);--navbar-bg: rgba(26, 26, 26, .95);--card-bg: #2d2d2d;--timeline-bg: #2d2d2d;--input-bg: #404040;--input-border: #555555;--accent-color: #667eea;--accent-secondary: #764ba2}[data-theme=dark] .tech-tag{background:#404040;color:#667eea}[data-theme=dark] .hero-avatar:before{opacity:.8}[data-theme=dark] .btn-secondary{border-color:var(--accent-color);color:var(--accent-color)}[data-theme=dark] .btn-secondary:hover{background:var(--accent-color);color:#fff}*{margin:0;padding:0;box-sizing:border-box}html{scroll-behavior:smooth;overflow-x:hidden}body{font-family:Inter,sans-serif;line-height:1.6;color:var(--text-primary);background-color:var(--bg-primary);transition:background-color .3s ease,color .3s ease;overflow-x:hidden;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}.container{max-width:1200px;margin:0 auto;padding:0 20px}h1,h2,h3,h4,h5,h6{font-weight:600;line-height:1.2;margin-bottom:1rem}h1{font-size:3.5rem}h2{font-size:2.5rem}h3{font-size:1.75rem}h4{font-size:1.25rem}p{margin-bottom:1rem;line-height:1.7}.btn{display:inline-block;padding:12px 30px;border-radius:8px;text-decoration:none;font-weight:500;transition:all .3s ease;border:none;cursor:pointer;font-size:1rem;position:relative;overflow:hidden}.btn-primary{background:linear-gradient(135deg,#667eea,#764ba2);color:#fff}.btn-primary:hover{transform:translateY(-2px);box-shadow:0 10px 25px #667eea4d}.btn-secondary{background:transparent;color:#667eea;border:2px solid #667eea}.btn-secondary:hover{background:#667eea;color:#fff;transform:translateY(-2px)}.navbar{position:fixed;top:0;width:100%;background:var(--navbar-bg);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);z-index:1000;padding:1rem 0;transition:all .3s ease}.nav-container{max-width:1200px;margin:0 auto;padding:0 20px;display:flex;justify-content:space-between;align-items:center}.nav-logo a{font-size:1.5rem;font-weight:700;color:var(--text-primary);text-decoration:none}.nav-menu{display:flex;list-style:none;gap:2rem}.nav-link{color:var(--text-primary);text-decoration:none;font-weight:500;transition:color .3s ease;position:relative}.nav-link:hover{color:var(--accent-color)}.nav-link:after{content:"";position:absolute;bottom:-5px;left:0;width:0;height:2px;background:var(--accent-color);transition:width .3s ease}.nav-link:hover:after,.nav-link.active:after{width:100%}.hamburger{display:none;flex-direction:column;cursor:pointer}.bar{width:25px;height:3px;background:var(--text-primary);margin:3px 0;transition:.3s}.theme-toggle{margin:1rem}.theme-toggle-btn{background:none;border:none;cursor:pointer;padding:8px;border-radius:50%;display:flex;align-items:center;justify-content:center;color:var(--text-primary);transition:all .3s ease;background-color:var(--card-bg);border:1px solid var(--border-color)}.theme-toggle-btn:hover{background-color:var(--bg-secondary);transform:scale(1.1)}.theme-toggle-btn svg{width:20px;height:20px;transition:all .3s ease}.theme-toggle-btn .moon-icon,[data-theme=dark] .theme-toggle-btn .sun-icon{display:none}[data-theme=dark] .theme-toggle-btn .moon-icon{display:block}.hero{min-height:100vh;display:flex;align-items:center;background:linear-gradient(135deg,var(--bg-secondary) 0%,var(--bg-tertiary) 100%);padding-top:80px}.hero-container{max-width:1200px;margin:0 auto;padding:0 20px;display:grid;grid-template-columns:1fr 1fr;gap:4rem;align-items:center}.hero-title{font-size:3.5rem;margin-bottom:1rem;color:var(--text-primary);opacity:0;animation:fadeInUp 1s ease forwards}.highlight{background:linear-gradient(135deg,var(--accent-color) 0%,var(--accent-secondary) 100%);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}.hero-subtitle{font-size:1.5rem;color:var(--text-secondary);margin-bottom:1rem;opacity:0;animation:fadeInUp 1s ease .2s forwards}.hero-description{font-size:1.1rem;color:var(--text-secondary);margin-bottom:2rem;line-height:1.7;opacity:0;animation:fadeInUp 1s ease .4s forwards}.hero-buttons{display:flex;gap:1rem;margin-bottom:2rem;opacity:0;animation:fadeInUp 1s ease .6s forwards}.hero-social{display:flex;gap:1rem;opacity:0;animation:fadeInUp 1s ease .8s forwards}.hero-social a{display:flex;align-items:center;justify-content:center;width:50px;height:50px;background:var(--card-bg);border-radius:50%;color:var(--accent-color);transition:all .3s ease;box-shadow:0 5px 15px var(--shadow-color)}.hero-social a:hover{transform:translateY(-3px);box-shadow:0 10px 25px #667eea4d}.hero-image{display:flex;justify-content:center;align-items:center;opacity:0;animation:fadeInUp 1s ease 1s forwards}.hero-avatar{width:350px;height:350px;border-radius:50%;overflow:hidden;box-shadow:0 20px 40px var(--shadow-color);position:relative}.hero-avatar:before{content:"";position:absolute;top:-5px;left:-5px;right:-5px;bottom:-5px;background:linear-gradient(135deg,var(--accent-color) 0%,var(--accent-secondary) 100%);border-radius:50%;z-index:-1}.hero-avatar img{width:100%;height:100%;object-fit:cover}section{padding:80px 0}.section-title{text-align:center;margin-bottom:3rem;position:relative;opacity:0;transform:translateY(30px);transition:all .6s ease}.section-title.visible{opacity:1;transform:translateY(0)}.section-title:after{content:"";position:absolute;bottom:-10px;left:50%;transform:translate(-50%);width:60px;height:4px;background:linear-gradient(135deg,var(--accent-color) 0%,var(--accent-secondary) 100%);border-radius:2px}.about{background:var(--bg-secondary)}.about-content{display:grid;grid-template-columns:2fr 1fr;gap:4rem;align-items:center}.about-text{font-size:1.1rem;line-height:1.8;opacity:0;transform:translateY(30px);transition:all .6s ease}.about-text.visible{opacity:1;transform:translateY(0)}.about-stats{display:flex;flex-direction:column;gap:2rem}.stat{text-align:center;padding:2rem;background:var(--card-bg);border-radius:12px;box-shadow:0 5px 15px var(--shadow-color);transition:transform .3s ease;opacity:0;transform:translateY(30px)}.stat.visible{opacity:1;transform:translateY(0)}.stat:hover{transform:translateY(-5px)}.stat h3{font-size:2.5rem;color:var(--accent-color);margin-bottom:.5rem}.stat p{color:var(--text-secondary);margin:0}.timeline{max-width:800px;margin:0 auto;position:relative}.timeline:before{content:"";position:absolute;left:50%;top:0;bottom:0;width:2px;background:var(--accent-color);transform:translate(-50%)}.timeline-item{position:relative;margin-bottom:3rem;width:50%;opacity:0;transform:translateY(30px);transition:all .6s ease}.timeline-item.visible{opacity:1;transform:translateY(0)}.timeline-item:nth-child(odd){left:0;padding-right:2rem}.timeline-item:nth-child(2n){left:50%;padding-left:2rem}.timeline-marker{position:absolute;width:20px;height:20px;background:var(--accent-color);border-radius:50%;top:0}.timeline-item:nth-child(odd) .timeline-marker{right:-10px}.timeline-item:nth-child(2n) .timeline-marker{left:-10px}.timeline-content{background:var(--timeline-bg);padding:2rem;border-radius:12px;box-shadow:0 5px 15px var(--shadow-color);transition:transform .3s ease}.timeline-content:hover{transform:translateY(-5px)}.timeline-content h3{color:var(--text-primary);margin-bottom:.5rem}.timeline-content h4{color:var(--accent-color);margin-bottom:.5rem}.timeline-date{color:var(--text-secondary);font-size:.9rem;margin-bottom:1rem;display:block}.timeline-content ul{list-style:none;padding-left:0}.timeline-content li{position:relative;padding-left:1.5rem;margin-bottom:.5rem;color:var(--text-secondary)}.timeline-content li:before{content:"▸";position:absolute;left:0;color:var(--accent-color)}.projects{background:var(--bg-secondary)}.projects-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(350px,1fr));gap:2rem}.project-card{background:var(--card-bg);border-radius:12px;overflow:hidden;box-shadow:0 5px 15px var(--shadow-color);transition:all .3s ease;opacity:0;transform:translateY(30px)}.project-card.visible{opacity:1;transform:translateY(0)}.project-card:hover{transform:translateY(-10px);box-shadow:0 20px 40px var(--shadow-color)}.project-image{height:200px;overflow:hidden}.project-image img{width:100%;height:100%;object-fit:cover;transition:transform .3s ease}.project-card:hover .project-image img{transform:scale(1.1)}.project-content{padding:2rem}.project-content h3{margin-bottom:1rem;color:var(--text-primary)}.project-content p{color:var(--text-secondary);margin-bottom:1.5rem}.project-tech{display:flex;flex-wrap:wrap;gap:.5rem;margin-bottom:1.5rem}.tech-tag{background:#e3f2fd;color:#1976d2;padding:.25rem .75rem;border-radius:20px;font-size:.85rem;font-weight:500}.project-links{display:flex;gap:1rem}.project-link{color:var(--accent-color);text-decoration:none;font-weight:500;transition:color .3s ease}.project-link:hover{color:var(--accent-secondary)}.skills-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:2rem;align-items:stretch}.skill-category{background:var(--card-bg);padding:2rem;border-radius:12px;box-shadow:0 5px 15px var(--shadow-color);opacity:0;transform:translateY(30px);transition:all .6s ease;display:flex;flex-direction:column;height:100%}.skill-category.visible{opacity:1;transform:translateY(0)}.skill-category h3{margin-bottom:1.5rem;color:var(--text-primary);text-align:center}.skill-items{display:flex;flex-direction:column;gap:1rem;flex:1}.skill-item{display:flex;flex-direction:column;gap:.5rem}.skill-name{font-weight:500;color:var(--text-primary)}.skill-bar{height:8px;background:var(--border-color);border-radius:4px;overflow:hidden}.skill-progress{height:100%;background:linear-gradient(135deg,var(--accent-color) 0%,var(--accent-secondary) 100%);border-radius:4px;transition:width 1s ease;width:0}.contact{background:var(--bg-secondary)}.contact-content{display:grid;grid-template-columns:1fr 1fr;gap:4rem;align-items:start}.contact-info{opacity:0;transform:translateY(30px);transition:all .6s ease}.contact-info.visible{opacity:1;transform:translateY(0)}.contact-info h3{margin-bottom:1rem;color:var(--text-primary)}.contact-info p{color:var(--text-secondary);margin-bottom:2rem}.contact-details{display:flex;flex-direction:column;gap:1rem}.contact-item{display:flex;align-items:center;gap:1rem;color:var(--text-secondary)}.contact-item svg{color:var(--accent-color)}.contact-item a{color:var(--text-secondary);text-decoration:none;transition:color .3s ease}.contact-item a:hover{color:var(--accent-color)}.contact-form{background:var(--card-bg);padding:2rem;border-radius:12px;box-shadow:0 5px 15px var(--shadow-color);opacity:0;transform:translateY(30px);transition:all .6s ease}.contact-form.visible{opacity:1;transform:translateY(0)}.form-group{margin-bottom:1.5rem}.form-group input,.form-group textarea{width:100%;padding:12px 16px;border:2px solid var(--input-border);border-radius:8px;font-size:1rem;transition:border-color .3s ease;font-family:inherit;background-color:var(--input-bg);color:var(--text-primary)}.form-group input:focus,.form-group textarea:focus{outline:none;border-color:var(--accent-color)}.form-group textarea{resize:vertical;min-height:120px}.footer{background:var(--bg-tertiary);color:var(--text-primary);padding:2rem 0;text-align:center}.footer-content{display:flex;justify-content:space-between;align-items:center}.footer-links{display:flex;gap:2rem}.footer-links a{color:var(--text-primary);text-decoration:none;transition:color .3s ease}.footer-links a:hover{color:var(--accent-color)}@keyframes fadeInUp{0%{opacity:0;transform:translateY(30px)}to{opacity:1;transform:translateY(0)}}@keyframes ripple{to{transform:scale(4);opacity:0}}.loaded{opacity:1}body{opacity:0;transition:opacity .3s ease}@media (max-width: 768px){.nav-container{display:grid;grid-template-columns:1fr auto auto;gap:.5rem;align-items:center;position:relative}.nav-logo{grid-column:1;justify-self:start}.theme-toggle{grid-column:2;margin-left:0;justify-self:end}.hamburger{grid-column:3;display:flex;z-index:1001;justify-self:end}.nav-menu{display:none}.nav-menu.active{display:flex}.nav-menu{position:fixed;left:-100%;top:70px;flex-direction:column;background-color:var(--card-bg);width:100%;text-align:center;transition:.3s;box-shadow:0 10px 27px var(--shadow-color);padding:2rem 0;z-index:1000}.nav-menu.active{left:0}.nav-menu li{margin:1rem 0}.nav-link{font-size:1.1rem;padding:.5rem 1rem;display:block}.hamburger.active .bar:nth-child(2){opacity:0}.hamburger.active .bar:nth-child(1){transform:translateY(8px) rotate(45deg)}.hamburger.active .bar:nth-child(3){transform:translateY(-8px) rotate(-45deg)}h1{font-size:2.5rem}h2{font-size:2rem}h3{font-size:1.5rem}section{padding:60px 0}.hero{min-height:90vh;padding-top:70px}.hero-container{grid-template-columns:1fr;text-align:center;gap:2rem}.hero-title{font-size:2.5rem;margin-bottom:1rem}.hero-subtitle{font-size:1.2rem}.hero-description{font-size:1rem}.hero-image{display:flex;order:-1;margin-bottom:1rem}.hero-avatar{width:200px;height:200px}.hero-buttons{flex-direction:column;align-items:center;gap:1rem}.hero-buttons .btn{width:100%;max-width:280px}.hero-social{justify-content:center;gap:1.5rem}.hero-social a{width:45px;height:45px}.about-content{grid-template-columns:1fr;gap:2rem}.about-stats{flex-direction:row;justify-content:space-around;gap:1rem}.stat{padding:1.5rem 1rem;flex:1}.stat h3{font-size:2rem}.timeline:before{left:20px}.timeline-item{width:100%;left:0!important;padding-left:3rem!important;padding-right:0!important}.timeline-marker{left:10px!important}.timeline-content{padding:1.5rem}.projects-grid{grid-template-columns:1fr;gap:1.5rem}.project-card{margin:0 auto;max-width:400px}.skills-grid{grid-template-columns:1fr;gap:1.5rem}.skill-category{padding:1.5rem}.contact-content{grid-template-columns:1fr;gap:2rem}.contact-form{padding:1.5rem}.form-group input,.form-group textarea{padding:14px 16px;font-size:1rem}.footer-content{flex-direction:column;gap:1rem}.footer-links{justify-content:center;flex-wrap:wrap}.btn{padding:14px 24px;font-size:1rem;min-height:48px}.theme-toggle-btn{padding:12px;min-width:48px;min-height:48px}.container{padding:0 20px}}@media (max-width: 480px){.container{padding:0 15px}h1{font-size:2rem}h2{font-size:1.75rem}h3{font-size:1.25rem}section{padding:50px 0}.hero{min-height:85vh;padding-top:60px}.hero-title{font-size:2rem;line-height:1.2}.hero-subtitle{font-size:1.1rem}.hero-description{font-size:.95rem;line-height:1.6}.hero-avatar{width:180px;height:180px}.hero-buttons{width:100%;gap:.75rem}.hero-buttons .btn{width:100%;max-width:none;padding:12px 20px}.hero-social{gap:1rem}.hero-social a{width:40px;height:40px}.about-stats{flex-direction:column;gap:1rem}.stat{padding:1rem;text-align:center}.stat h3{font-size:1.75rem}.timeline-content{padding:1rem}.timeline-content h3{font-size:1.1rem}.timeline-content h4{font-size:1rem}.projects-grid{grid-template-columns:1fr;gap:1rem}.project-card{max-width:none;margin:0}.project-content{padding:1.5rem}.project-content h3{font-size:1.2rem}.project-tech{gap:.25rem}.tech-tag{font-size:.8rem;padding:.2rem .6rem}.skills-grid{grid-template-columns:1fr;gap:1rem}.skill-category{padding:1rem}.skill-category h3{font-size:1.2rem;margin-bottom:1rem}.skill-item{gap:.25rem}.skill-name{font-size:.9rem}.skill-bar{height:6px}.contact-form{padding:1rem}.form-group input,.form-group textarea{padding:12px 14px;font-size:.95rem}.contact-item{flex-direction:column;align-items:flex-start;gap:.5rem;text-align:left}.contact-item svg{align-self:flex-start}.nav-container{grid-template-columns:1fr auto auto;gap:.25rem}.nav-logo a{font-size:1.25rem}.nav-menu{top:60px;padding:1.5rem 0}.nav-link{font-size:1rem;padding:.75rem 1rem}.footer{padding:1.5rem 0}.footer-links{gap:1rem}.footer-links a{font-size:.9rem}.btn{padding:12px 20px;font-size:.95rem;min-height:44px}.theme-toggle-btn{padding:10px;min-width:44px;min-height:44px}.theme-toggle-btn svg{width:18px;height:18px}.section-title{margin-bottom:2rem}.section-title:after{width:50px;height:3px}}@media (max-width: 768px) and (orientation: landscape){.hero{min-height:100vh;padding-top:70px}.hero-container{gap:1rem}.hero-avatar{width:150px;height:150px}.hero-title{font-size:2rem;margin-bottom:.5rem}.hero-subtitle{font-size:1rem;margin-bottom:.5rem}.hero-description{font-size:.9rem;margin-bottom:1rem}.hero-buttons{gap:.5rem;margin-bottom:1rem}.hero-social{gap:1rem}section{padding:50px 0}}@media (max-width: 768px){.nav-menu.active{position:fixed;top:0;left:0;width:100vw;height:100vh;background-color:var(--card-bg);display:flex;flex-direction:column;justify-content:center;align-items:center;z-index:999}.nav-menu.active li{margin:1.5rem 0}.nav-menu.active .nav-link{font-size:1.2rem;padding:1rem 2rem}.theme-toggle,.hamburger{z-index:1001}}@media (max-width: 768px){.hero{margin-top:70px}}@media (max-width: 480px){.hero{margin-top:60px}}