:root{--primary-color: #2563eb;--secondary-color: #10b981;--text-primary: #1f2937;--text-secondary: #6b7280;--bg-primary: #ffffff;--bg-secondary: #f9fafb;--bg-tertiary: #f3f4f6;--border-color: #e5e7eb;--shadow: rgba(0, 0, 0, .1);--shadow-lg: rgba(0, 0, 0, .15);--transition: all .3s ease}[data-theme=dark]{--primary-color: #3b82f6;--secondary-color: #10b981;--text-primary: #f9fafb;--text-secondary: #d1d5db;--bg-primary: #111827;--bg-secondary: #1f2937;--bg-tertiary: #374151;--border-color: #374151;--shadow: rgba(0, 0, 0, .3);--shadow-lg: rgba(0, 0, 0, .5)}*{margin:0;padding:0;box-sizing:border-box}html{scroll-behavior:smooth}body{font-family:Poppins,sans-serif;background-color:var(--bg-primary);color:var(--text-primary);line-height:1.6;transition:var(--transition)}.container{max-width:1200px;margin:0 auto;padding:0 20px}.navbar{position:fixed;top:0;width:100%;background-color:var(--bg-primary);box-shadow:0 2px 10px var(--shadow);z-index:1000;transition:var(--transition)}.nav-container{max-width:1200px;margin:0 auto;padding:1rem 20px;display:flex;justify-content:space-between;align-items:center}.logo{text-decoration:none;color:var(--text-primary)}.logo-text{font-size:1.5rem;font-weight:700;background:linear-gradient(135deg,var(--primary-color),var(--secondary-color));-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}.nav-menu{display:flex;list-style:none;gap:2rem}.nav-link{text-decoration:none;color:var(--text-primary);font-weight:500;transition:var(--transition);position:relative}.nav-link:after{content:"";position:absolute;bottom:-5px;left:0;width:0;height:2px;background:var(--primary-color);transition:width .3s ease}.nav-link:hover:after,.nav-link.active:after{width:100%}.nav-actions{display:flex;align-items:center;gap:1rem}.theme-toggle{background:none;border:none;color:var(--text-primary);font-size:1.2rem;cursor:pointer;padding:.5rem;border-radius:50%;transition:var(--transition)}.theme-toggle:hover{background-color:var(--bg-tertiary);transform:rotate(15deg)}.btn{padding:.75rem 1.5rem;border:none;border-radius:8px;font-weight:500;cursor:pointer;transition:var(--transition);display:inline-flex;align-items:center;gap:.5rem;text-decoration:none}.btn-primary{background:linear-gradient(135deg,var(--primary-color),#1d4ed8);color:#fff}.btn-primary:hover{transform:translateY(-2px);box-shadow:0 10px 20px var(--shadow-lg)}.btn-secondary{background:var(--bg-tertiary);color:var(--text-primary);border:2px solid var(--border-color)}.btn-secondary:hover{background:var(--bg-secondary);transform:translateY(-2px)}.hamburger{display:none;flex-direction:column;background:none;border:none;cursor:pointer;padding:.5rem;gap:4px}.hamburger span{width:25px;height:3px;background:var(--text-primary);transition:var(--transition);border-radius:2px}.hamburger.active span:nth-child(1){transform:rotate(45deg) translate(5px,5px)}.hamburger.active span:nth-child(2){opacity:0}.hamburger.active span:nth-child(3){transform:rotate(-45deg) translate(7px,-6px)}.hero-section{min-height:100vh;display:flex;align-items:center;padding-top:80px;position:relative}.hero-content{display:grid;grid-template-columns:1fr 1.5fr;gap:4rem;align-items:center;animation:fadeIn 1s ease-out}.hero-image-wrapper{position:relative}.image-border{position:relative;top:-20px;left:-20px;width:100%;height:100%;border:3px solid var(--primary-color);border-radius:20px;z-index:-1;animation:float 3s ease-in-out infinite;padding:5px 12px;display:flex;aspect-ratio:unset;max-width:350px}.hero-image{width:100%;max-width:350px;border-radius:20px;box-shadow:0 20px 40px var(--shadow-lg)}.hero-greeting{color:var(--text-secondary);font-size:1.1rem;margin-bottom:.5rem}.hero-name{font-size:3rem;font-weight:700;margin-bottom:.5rem;background:linear-gradient(135deg,var(--primary-color),var(--secondary-color));-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}.typing-wrapper{min-height:70px}.hero-title{font-size:1.8rem;color:var(--text-secondary);margin-bottom:1.5rem;font-weight:500}.cursor{animation:blink 1s infinite;color:var(--primary-color)}@keyframes blink{0%,50%{opacity:1}51%,to{opacity:0}}.hero-bio{color:var(--text-secondary);font-size:1.1rem;line-height:1.8;margin-bottom:2rem}.hero-buttons{display:flex;gap:1rem;margin-bottom:2rem}.social-links{display:flex;gap:1rem}.social-link{display:inline-flex;align-items:center;justify-content:center;width:45px;height:45px;background:var(--bg-tertiary);border-radius:50%;color:var(--text-primary);text-decoration:none;font-size:1.2rem;transition:var(--transition)}.social-link:hover{background:var(--primary-color);color:#fff;transform:translateY(-3px)}.scroll-indicator{position:absolute;bottom:30px;left:50%;transform:translate(-50%)}.mouse{width:25px;height:40px;border:2px solid var(--text-secondary);border-radius:15px;position:relative}.mouse:before{content:"";width:4px;height:8px;background:var(--text-secondary);position:absolute;top:8px;left:50%;transform:translate(-50%);border-radius:2px;animation:scroll 2s infinite}@keyframes scroll{0%{opacity:1;top:8px}to{opacity:0;top:20px}}.section-header{text-align:center;margin-bottom:4rem}.section-title{font-size:2.5rem;font-weight:700;margin-bottom:1rem;position:relative;display:inline-block}.section-title:after{content:"";position:absolute;bottom:-10px;left:50%;transform:translate(-50%);width:80px;height:4px;background:linear-gradient(135deg,var(--primary-color),var(--secondary-color));border-radius:2px}.section-subtitle{color:var(--text-secondary);font-size:1.1rem}.skills-section{padding:6rem 0;background:var(--bg-secondary)}.skills-container{display:grid;gap:2rem}.skill-category{background:var(--bg-primary);padding:2rem;border-radius:12px;box-shadow:0 4px 20px var(--shadow);opacity:0;transform:translateY(30px);transition:var(--transition)}.skill-category.visible{opacity:1;transform:translateY(0)}.skill-category h3{font-size:1.5rem;margin-bottom:1.5rem;color:var(--primary-color)}.skills-grid{display:grid;gap:1.5rem}.skill-item{display:flex;flex-direction:column;gap:.5rem}.skill-header{display:flex;justify-content:space-between;align-items:center}.skill-name{font-weight:500;color:var(--text-primary)}.skill-level{color:var(--text-secondary);font-size:.9rem}.skill-bar{height:8px;background:var(--bg-tertiary);border-radius:10px;overflow:hidden}.skill-progress{height:100%;background:linear-gradient(135deg,var(--primary-color),var(--secondary-color));width:0;transition:width 1s ease-out;border-radius:10px}.projects-section{padding:6rem 0}.projects-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(320px,1fr));gap:2rem}.project-card{background:var(--bg-secondary);border-radius:12px;overflow:hidden;box-shadow:0 4px 20px var(--shadow);transition:var(--transition);opacity:0;transform:translateY(30px)}.project-card.visible{opacity:1;transform:translateY(0)}.project-card:hover{transform:translateY(-10px);box-shadow:0 10px 40px var(--shadow-lg)}.project-image{width:100%;height:200px;object-fit:cover;background:var(--bg-tertiary)}.project-content{padding:1.5rem}.project-title{font-size:1.3rem;font-weight:600;margin-bottom:.5rem}.project-description{color:var(--text-secondary);margin-bottom:1rem;line-height:1.6}.project-tags{display:flex;flex-wrap:wrap;gap:.5rem;margin-bottom:1rem}.project-tag{background:var(--bg-tertiary);color:var(--text-primary);padding:.25rem .75rem;border-radius:20px;font-size:.85rem}.project-links{display:flex;gap:1rem}.project-link{display:inline-flex;align-items:center;gap:.5rem;color:var(--primary-color);text-decoration:none;font-weight:500;transition:var(--transition)}.project-link:hover{transform:translate(5px)}.timeline-section{padding:6rem 0;background:var(--bg-secondary)}.timeline-container{position:relative;max-width:800px;margin:0 auto}.timeline-container:before{content:"";position:absolute;left:50%;transform:translate(-50%);width:3px;height:100%;background:var(--border-color)}.timeline-item{position:relative;margin-bottom:3rem;opacity:0;transform:translateY(30px);transition:var(--transition)}.timeline-item.visible{opacity:1;transform:translateY(0)}.timeline-item:nth-child(odd) .timeline-content{margin-left:auto;text-align:left}.timeline-content{width:calc(50% - 30px);background:var(--bg-primary);padding:2rem;border-radius:12px;box-shadow:0 4px 20px var(--shadow);position:relative}.timeline-icon{position:absolute;left:50%;transform:translate(-50%,-50%);top:2rem;width:50px;height:50px;background:linear-gradient(135deg,var(--primary-color),var(--secondary-color));border-radius:50%;display:flex;align-items:center;justify-content:center;color:#fff;font-size:1.5rem;z-index:1}.timeline-period{color:var(--primary-color);font-weight:600;margin-bottom:.5rem}.timeline-title{font-size:1.3rem;font-weight:600;margin-bottom:.5rem}.timeline-institution{color:var(--text-secondary);font-style:italic;margin-bottom:.5rem}.timeline-location{color:var(--text-secondary);font-size:.9rem;margin-bottom:.5rem}.timeline-description{color:var(--text-secondary);line-height:1.6}.contact-section{padding:6rem 0}.contact-content{display:grid;grid-template-columns:1fr 1.5fr;gap:4rem}.contact-info{display:flex;flex-direction:column;gap:2rem}.contact-item{display:flex;gap:1rem;align-items:flex-start}.contact-item i{width:50px;height:50px;background:var(--bg-secondary);border-radius:50%;display:flex;align-items:center;justify-content:center;color:var(--primary-color);font-size:1.3rem;flex-shrink:0}.contact-item h3{font-size:1.1rem;margin-bottom:.25rem}.contact-item p{color:var(--text-secondary)}.contact-social{display:flex;gap:1rem;margin-top:1rem}.contact-form{opacity:0;transform:translateY(30px);transition:var(--transition)}.contact-form.visible{opacity:1;transform:translateY(0)}.form-group{margin-bottom:1.5rem}.form-group label{display:block;margin-bottom:.5rem;font-weight:500}.form-group input,.form-group textarea{width:100%;padding:.75rem 1rem;border:2px solid var(--border-color);border-radius:8px;background:var(--bg-secondary);color:var(--text-primary);font-family:inherit;transition:var(--transition)}.form-group input:focus,.form-group textarea:focus{outline:none;border-color:var(--primary-color)}.form-group textarea{resize:vertical}.footer{background:var(--bg-secondary);padding:2rem 0;text-align:center;border-top:1px solid var(--border-color)}.footer-text{color:var(--text-secondary);margin-bottom:1rem}.footer-social{display:flex;justify-content:center;gap:1rem}.scroll-top-btn{position:fixed;bottom:30px;right:30px;width:50px;height:50px;background:linear-gradient(135deg,var(--primary-color),var(--secondary-color));color:#fff;border:none;border-radius:50%;cursor:pointer;font-size:1.2rem;opacity:0;pointer-events:none;transition:var(--transition);z-index:999}.scroll-top-btn.visible{opacity:1;pointer-events:auto}.scroll-top-btn:hover{transform:translateY(-5px)}@keyframes fadeIn{0%{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}@keyframes float{0%,to{transform:translateY(0)}50%{transform:translateY(-10px)}}@media (max-width: 968px){.nav-menu{position:fixed;left:-100%;top:70px;flex-direction:column;background-color:var(--bg-primary);width:100%;text-align:center;transition:.3s;box-shadow:0 10px 27px var(--shadow);padding:2rem 0}.nav-menu.active{left:0}.hamburger{display:flex}.hero-content{grid-template-columns:1fr;text-align:center}.hero-image-wrapper{order:-1;display:flex;justify-content:center}.hero-name{font-size:2.5rem}.hero-title{font-size:1.5rem}.hero-buttons,.social-links{justify-content:center}.contact-content{grid-template-columns:1fr}.timeline-container:before{left:20px}.timeline-content{width:calc(100% - 60px);margin-left:60px!important;text-align:left!important}.timeline-icon{left:20px;transform:translateY(-50%)}}@media (max-width: 640px){.hero-name{font-size:2rem}.hero-title{font-size:1.2rem}.section-title{font-size:2rem}.hero-buttons{flex-direction:column;width:100%}.btn{width:100%;justify-content:center}.projects-grid{grid-template-columns:1fr}}