:root{--color-bg: #fafafa;--color-bg-alt: #ffffff;--color-text: #1a1a2e;--color-text-light: #555566;--color-accent: #4a6cf7;--color-accent-light: #6b8cff;--color-border: #e8e8ef;--color-card-shadow: rgba(0, 0, 0, .06);--font-family: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;--fs-xs: .75rem;--fs-sm: .875rem;--fs-base: 1rem;--fs-md: 1.125rem;--fs-lg: 1.25rem;--fs-xl: 1.5rem;--fs-2xl: 2rem;--fs-3xl: 2.5rem;--fs-4xl: 3.5rem;--spacing-xs: .5rem;--spacing-sm: .75rem;--spacing-md: 1rem;--spacing-lg: 1.5rem;--spacing-xl: 2rem;--spacing-2xl: 3rem;--spacing-3xl: 4rem;--spacing-4xl: 6rem;--spacing-5xl: 8rem;--radius-sm: 6px;--radius-md: 10px;--radius-lg: 16px;--nav-height: 70px;--max-width: 1100px;--transition-fast: .2s ease;--transition-base: .3s ease}*,*:before,*:after{margin:0;padding:0;box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:var(--nav-height)}body{font-family:var(--font-family);font-size:var(--fs-base);line-height:1.7;color:var(--color-text);background-color:var(--color-bg);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}img{max-width:100%;display:block}a{text-decoration:none;color:inherit}ul{list-style:none}button{font-family:inherit;cursor:pointer;border:none;background:none}input,textarea{font-family:inherit;font-size:inherit}.container{width:100%;max-width:var(--max-width);margin:0 auto;padding:0 var(--spacing-lg)}.section{padding:var(--spacing-5xl) 0}.section-title{font-size:var(--fs-3xl);font-weight:700;margin-bottom:var(--spacing-md);color:var(--color-text)}.section-subtitle{font-size:var(--fs-md);color:var(--color-text-light);margin-bottom:var(--spacing-3xl);max-width:560px}.section-header{text-align:center;display:flex;flex-direction:column;align-items:center}.accent{color:var(--color-accent)}.btn{display:inline-flex;align-items:center;gap:var(--spacing-xs);padding:.75rem 1.75rem;border-radius:var(--radius-sm);font-weight:500;font-size:var(--fs-sm);transition:all var(--transition-base)}.btn-primary{background-color:var(--color-accent);color:#fff}.btn-primary:hover{background-color:var(--color-accent-light);transform:translateY(-2px);box-shadow:0 4px 12px #4a6cf74d}.btn-outline{border:1.5px solid var(--color-border);color:var(--color-text)}.btn-outline:hover{border-color:var(--color-accent);color:var(--color-accent);transform:translateY(-2px)}@media (max-width: 1024px){:root{--fs-4xl: 2.75rem;--fs-3xl: 2rem}}@media (max-width: 768px){:root{--fs-4xl: 2.25rem;--fs-3xl: 1.75rem;--fs-2xl: 1.5rem}.section{padding:var(--spacing-4xl) 0}}@media (max-width: 480px){:root{--fs-4xl: 1.875rem;--fs-3xl: 1.5rem}.container{padding:0 var(--spacing-md)}}.navbar{position:fixed;top:0;left:0;width:100%;height:var(--nav-height);z-index:1000;transition:all var(--transition-base);background-color:#fafafad9;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px)}.navbar.scrolled{box-shadow:0 1px 12px var(--color-card-shadow)}.navbar .container{display:flex;align-items:center;justify-content:space-between;height:100%}.nav-logo{font-size:var(--fs-lg);font-weight:700;letter-spacing:-.5px}.nav-links{display:flex;gap:var(--spacing-xl)}.nav-links a{font-size:var(--fs-sm);font-weight:500;color:var(--color-text-light);transition:color var(--transition-fast);cursor:pointer}.nav-links a:hover,.nav-links a.active{color:var(--color-accent)}.hamburger{display:none;flex-direction:column;gap:5px;padding:4px}.hamburger span{display:block;width:24px;height:2px;background-color:var(--color-text);transition:all var(--transition-base);border-radius:2px}.hamburger.open span:nth-child(1){transform:rotate(45deg) translate(5px,5px)}.hamburger.open span:nth-child(2){opacity:0}.hamburger.open span:nth-child(3){transform:rotate(-45deg) translate(5px,-5px)}@media (max-width: 768px){.hamburger{display:flex}.nav-links{position:fixed;top:var(--nav-height);left:0;right:0;background-color:var(--color-bg);flex-direction:column;align-items:center;padding:var(--spacing-xl) 0;gap:var(--spacing-lg);box-shadow:0 8px 16px var(--color-card-shadow);transform:translateY(-120%);transition:transform var(--transition-base)}.nav-links.open{transform:translateY(0)}}.hero{min-height:100vh;display:flex;align-items:center;padding-top:var(--nav-height)}.hero-content{max-width:640px}.hero-greeting{font-size:var(--fs-md);color:var(--color-accent);font-weight:500;margin-bottom:var(--spacing-sm)}.hero-name{font-size:var(--fs-4xl);font-weight:700;line-height:1.15;margin-bottom:var(--spacing-md);letter-spacing:-1px}.hero-title{font-size:var(--fs-xl);color:var(--color-text-light);font-weight:400;margin-bottom:var(--spacing-xl);line-height:1.5}.hero-buttons{display:flex;gap:var(--spacing-md);flex-wrap:wrap}.about-grid{display:grid;grid-template-columns:280px 1fr;gap:var(--spacing-3xl);align-items:center}.about-image-wrapper{width:280px;height:280px;border-radius:var(--radius-lg);overflow:hidden;background:linear-gradient(135deg,var(--color-accent),var(--color-accent-light));display:flex;align-items:center;justify-content:center;font-size:5rem;color:#fff}.about-image-wrapper img{width:100%;height:100%;object-fit:cover}.about-text p{color:var(--color-text-light);margin-bottom:var(--spacing-md);font-size:var(--fs-md);line-height:1.8}.about-stats{display:flex;gap:var(--spacing-2xl);margin-top:var(--spacing-xl)}.about-stat-number{font-size:var(--fs-2xl);font-weight:700;color:var(--color-accent)}.about-stat-label{font-size:var(--fs-sm);color:var(--color-text-light)}@media (max-width: 768px){.about-grid{grid-template-columns:1fr;justify-items:center;text-align:center}.about-stats{justify-content:center}}.skills-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:var(--spacing-xl)}.skill-category{background:var(--color-bg-alt);border:1px solid var(--color-border);border-radius:var(--radius-md);padding:var(--spacing-xl)}.skill-category-title{font-size:var(--fs-sm);font-weight:600;text-transform:uppercase;letter-spacing:1px;color:var(--color-accent);margin-bottom:var(--spacing-lg)}.skill-items{display:flex;flex-wrap:wrap;gap:var(--spacing-sm)}.skill-item{display:inline-flex;align-items:center;gap:var(--spacing-xs);padding:.4rem .85rem;background:var(--color-bg);border-radius:var(--radius-sm);font-size:var(--fs-sm);font-weight:500;color:var(--color-text);border:1px solid var(--color-border);transition:all var(--transition-fast)}.skill-item:hover{border-color:var(--color-accent);color:var(--color-accent);transform:translateY(-2px)}.skill-item svg{font-size:1.1rem}.projects-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(320px,1fr));gap:var(--spacing-xl)}.project-card{background:var(--color-bg-alt);border:1px solid var(--color-border);border-radius:var(--radius-md);overflow:hidden;transition:all var(--transition-base)}.project-card:hover{transform:translateY(-6px);box-shadow:0 12px 32px var(--color-card-shadow)}.project-image{width:100%;height:200px;background:linear-gradient(135deg,#e8e8ef,#f5f5f8);display:flex;align-items:center;justify-content:center;font-size:var(--fs-3xl);color:var(--color-text-light);overflow:hidden}.project-image img{width:100%;height:100%;object-fit:cover}.project-info{padding:var(--spacing-xl)}.project-title{font-size:var(--fs-lg);font-weight:600;margin-bottom:var(--spacing-xs)}.project-description{font-size:var(--fs-sm);color:var(--color-text-light);margin-bottom:var(--spacing-md);line-height:1.7}.project-tags{display:flex;flex-wrap:wrap;gap:var(--spacing-xs);margin-bottom:var(--spacing-lg)}.project-tag{padding:.2rem .6rem;background:var(--color-bg);border-radius:var(--radius-sm);font-size:var(--fs-xs);font-weight:500;color:var(--color-accent)}.project-links{display:flex;gap:var(--spacing-md)}.project-links a{display:inline-flex;align-items:center;gap:var(--spacing-xs);font-size:var(--fs-sm);font-weight:500;color:var(--color-text-light);transition:color var(--transition-fast)}.project-links a:hover{color:var(--color-accent)}@media (max-width: 480px){.projects-grid{grid-template-columns:1fr}}.timeline{position:relative;max-width:700px;margin:0 auto}.timeline:before{content:"";position:absolute;left:0;top:0;bottom:0;width:2px;background:var(--color-border)}.timeline-item{position:relative;padding-left:var(--spacing-2xl);padding-bottom:var(--spacing-3xl)}.timeline-item:last-child{padding-bottom:0}.timeline-dot{position:absolute;left:-5px;top:6px;width:12px;height:12px;border-radius:50%;background:var(--color-accent);border:2px solid var(--color-bg)}.timeline-date{font-size:var(--fs-sm);font-weight:500;color:var(--color-accent);margin-bottom:var(--spacing-xs)}.timeline-title{font-size:var(--fs-lg);font-weight:600;margin-bottom:2px}.timeline-company{font-size:var(--fs-sm);color:var(--color-text-light);margin-bottom:var(--spacing-sm)}.timeline-bullets{list-style:disc;padding-left:var(--spacing-lg)}.timeline-bullets li{font-size:var(--fs-sm);color:var(--color-text-light);margin-bottom:var(--spacing-xs);line-height:1.7}.education-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:var(--spacing-xl);max-width:700px;margin:0 auto}.education-card{background:var(--color-bg-alt);border:1px solid var(--color-border);border-radius:var(--radius-md);padding:var(--spacing-xl);transition:all var(--transition-base)}.education-card:hover{transform:translateY(-4px);box-shadow:0 8px 24px var(--color-card-shadow)}.education-degree{font-size:var(--fs-lg);font-weight:600;margin-bottom:4px}.education-institution{font-size:var(--fs-base);color:var(--color-accent);font-weight:500;margin-bottom:var(--spacing-xs)}.education-period{font-size:var(--fs-sm);color:var(--color-text-light)}.contact-wrapper{display:grid;grid-template-columns:1fr 1fr;gap:var(--spacing-3xl);max-width:800px;margin:0 auto}.contact-info h3{font-size:var(--fs-xl);margin-bottom:var(--spacing-md)}.contact-info p{font-size:var(--fs-md);color:var(--color-text-light);margin-bottom:var(--spacing-xl);line-height:1.7}.contact-socials{display:flex;gap:var(--spacing-md)}.contact-socials a{display:flex;align-items:center;justify-content:center;width:44px;height:44px;border-radius:var(--radius-sm);border:1px solid var(--color-border);font-size:var(--fs-lg);color:var(--color-text-light);transition:all var(--transition-fast)}.contact-socials a:hover{border-color:var(--color-accent);color:var(--color-accent);transform:translateY(-2px)}.contact-form{display:flex;flex-direction:column;gap:var(--spacing-md)}.contact-form input,.contact-form textarea{padding:.85rem 1rem;border:1px solid var(--color-border);border-radius:var(--radius-sm);background:var(--color-bg-alt);color:var(--color-text);outline:none;transition:border-color var(--transition-fast)}.contact-form input:focus,.contact-form textarea:focus{border-color:var(--color-accent)}.contact-form textarea{min-height:140px;resize:vertical}@media (max-width: 768px){.contact-wrapper{grid-template-columns:1fr}}.footer{padding:var(--spacing-2xl) 0;border-top:1px solid var(--color-border);text-align:center}.footer-content{display:flex;align-items:center;justify-content:space-between}.footer-text{font-size:var(--fs-sm);color:var(--color-text-light)}.back-to-top{display:flex;align-items:center;justify-content:center;width:40px;height:40px;border-radius:var(--radius-sm);border:1px solid var(--color-border);color:var(--color-text-light);font-size:var(--fs-lg);transition:all var(--transition-fast);cursor:pointer}.back-to-top:hover{border-color:var(--color-accent);color:var(--color-accent);transform:translateY(-2px)}