@charset "UTF-8";:root{--color-primary: #1a1a1a;--color-secondary: #2b4f81;--color-accent: #4c8bf5;--color-background: #f4f4f4;--color-text: #111111;--color-light-gray: #e8e8e8;--color-border: #d0d0d0;--color-white: #ffffff;--color-success: #10b981;--color-error: #ef4444;--font-family-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", "Roboto", "Oxygen", "Ubuntu", "Cantarell", "Fira Sans", "Droid Sans", "Helvetica Neue", sans-serif;--spacing-unit: 8px;--spacing-xs: calc(var(--spacing-unit) * .5);--spacing-sm: var(--spacing-unit);--spacing-md: calc(var(--spacing-unit) * 2);--spacing-lg: calc(var(--spacing-unit) * 3);--spacing-xl: calc(var(--spacing-unit) * 4);--spacing-1xl: calc(var(--spacing-unit) * 4.5);--spacing-2xl: calc(var(--spacing-unit) * 6);--transition-fast: .15s ease-in-out;--transition-normal: .3s ease-in-out;--transition-slow: .5s ease-in-out}@media (max-width: 480px){:root{--spacing-unit: 6px}}*{margin:0;padding:0;box-sizing:border-box}html{scroll-behavior:smooth}body{font-family:var(--font-family-sans);color:var(--color-text);background-color:var(--color-background);line-height:1.6;font-size:16px}img{max-width:100%;height:auto}h1,h2,h3,h4,h5,h6{font-weight:600;line-height:1.3;margin-bottom:var(--spacing-md);color:var(--color-primary)}h1{font-size:3rem}h2{font-size:2.25rem}h3{font-size:1.5rem}h4{font-size:1.25rem}h5{font-size:1.125rem}h6{font-size:1rem}p{margin-bottom:var(--spacing-md);line-height:1.65;color:#555}a{color:var(--color-accent);text-decoration:none;transition:color var(--transition-normal)}a:hover{color:var(--color-secondary)}.container{max-width:1200px;margin:0 auto;padding:0 var(--spacing-xl)}@media (max-width: 768px){h1{font-size:2rem}h2{font-size:1.75rem}h3{font-size:1.25rem}.container{padding:0 var(--spacing-lg)}}@media (max-width: 480px){h1{font-size:1.75rem}h2{font-size:1.5rem}}.navbar{background-color:var(--color-white);box-shadow:0 2px 8px #00000014;position:sticky;top:0;z-index:1000;animation:slideDown .3s ease-in-out}@keyframes slideDown{0%{opacity:0;transform:translateY(-20px)}to{opacity:1;transform:translateY(0)}}.navbar-container{max-width:1200px;margin:0 auto;padding:var(--spacing-lg) var(--spacing-xl);display:flex;justify-content:space-between;align-items:center}.navbar-brand{flex-shrink:0}.logo{font-size:1.5rem;font-weight:700;color:var(--color-primary);text-decoration:none;letter-spacing:-.5px}.navbar-menu{display:flex;list-style:none;gap:var(--spacing-2xl);align-items:center}.nav-link{color:var(--color-text);font-weight:500;font-size:1rem;transition:color var(--transition-normal);position:relative}.nav-link:after{content:"";position:absolute;bottom:-4px;left:0;width:0;height:2px;background-color:var(--color-accent);transition:width var(--transition-normal)}.nav-link:hover:after{width:100%}.mobile-menu-toggle{display:none;background:none;border:none;cursor:pointer;padding:8px}.mobile-menu-toggle svg{color:var(--color-text);transition:transform var(--transition-normal)}.mobile-menu-toggle:hover svg{transform:scale(1.1)}@media (max-width: 768px){.mobile-menu-toggle{display:flex}.navbar-menu{position:absolute;top:70px;left:0;right:0;flex-direction:column;background-color:var(--color-white);gap:0;max-height:0;overflow:hidden;transition:max-height var(--transition-normal);box-shadow:0 4px 6px -1px #0000001a}.navbar-menu.active{max-height:400px;border-bottom:1px solid var(--color-border)}.navbar-menu li{width:100%;padding:var(--spacing-md) 0;border-bottom:1px solid var(--color-border)}.navbar-menu li a{display:block;padding:var(--spacing-md) var(--spacing-xl)}}@media (max-width: 480px){.navbar-menu .lang-switch{display:flex;justify-content:center;align-items:center;gap:32px;padding:24px 0;margin-top:16px;border-top:1px solid rgba(0,0,0,.06);width:100%}.navbar-menu .lang-switch a{font-family:var(--font-family-sans);font-size:.9rem;font-weight:500;color:#999;text-decoration:none;padding:8px 12px;transition:all .3s ease;letter-spacing:1px;text-transform:uppercase;position:relative}.navbar-menu .lang-switch a:hover{color:var(--color-primary)}.navbar-menu .lang-switch a:active{color:var(--color-primary);font-weight:600}.navbar-menu .lang-switch span{display:none}}.button{padding:var(--spacing-md) var(--spacing-xl);border:none;border-radius:50px;font-size:1rem;font-weight:600;cursor:pointer;transition:all .4s cubic-bezier(.175,.885,.32,1.275);display:inline-flex;align-items:center;justify-content:center;gap:8px;text-decoration:none;position:relative;overflow:hidden}.btn-hero-primary{background-color:var(--color-white);color:var(--color-primary);box-shadow:0 4px 15px #0000001a}.btn-hero-primary:hover{transform:translateY(-4px) scale(1.02);box-shadow:0 10px 25px #0003}.btn-hero-secondary{background:#ffffff1a;backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);border:1px solid rgba(255,255,255,.3);color:var(--color-white)}.btn-hero-secondary:hover{background:#fff3;border-color:var(--color-white);transform:translateY(-4px)}.btn-modern-dark{background-color:var(--color-primary);color:var(--color-white);padding:16px 48px;font-size:1.1rem;box-shadow:0 10px 20px #0000001a}.btn-modern-dark:hover{background-color:#000;transform:translateY(-4px);box-shadow:0 15px 30px #0003}.btn-modern-dark svg{transition:transform .3s ease}.btn-modern-dark:hover svg{transform:rotate(15deg) scale(1.1)}@media (max-width: 480px){.button{width:100%;padding:12px 24px}}.intro-card{padding:var(--spacing-1xl);background-color:var(--color-background);border-radius:8px;transition:all var(--transition-normal);animation:fadeIn .6s ease-in-out}.intro-card:hover{transform:translateY(-8px);box-shadow:0 12px 24px #0000001a}.intro-card h3{color:var(--color-secondary);margin-bottom:var(--spacing-md)}.intro-card p{color:#666;margin-bottom:0}.project-card{background-color:var(--color-background);border:1px solid var(--color-border);border-radius:8px;padding:var(--spacing-2xl);transition:all var(--transition-normal);display:flex;flex-direction:column}.project-card:hover{transform:translateY(-8px);box-shadow:0 16px 32px #0000001a;border-color:var(--color-accent)}.project-header h3{color:var(--color-primary);margin-bottom:var(--spacing-md)}.project-description{color:#666;margin-bottom:var(--spacing-lg);flex-grow:1}.project-tech{display:flex;flex-wrap:wrap;gap:var(--spacing-sm);margin-bottom:var(--spacing-lg)}.tech-badge{display:inline-block;background-color:var(--color-white);color:var(--color-secondary);padding:4px 12px;border-radius:20px;font-size:.875rem;font-weight:500;border:1px solid var(--color-secondary)}.project-links{display:flex;gap:var(--spacing-lg)}.project-link{color:var(--color-accent);font-weight:600;transition:color var(--transition-normal);position:relative}.project-link:after{content:"";position:absolute;bottom:-2px;left:0;width:0;height:2px;background-color:var(--color-accent);transition:width var(--transition-normal)}.project-link:hover:after{width:100%}@media (max-width: 768px){.project-card{padding:var(--spacing-lg)}}.contact-form-container{background-color:var(--color-white);padding:var(--spacing-2xl);border-radius:8px;box-shadow:0 4px 12px #00000014}.contact-form{display:flex;flex-direction:column;gap:var(--spacing-lg)}.form-group{display:flex;flex-direction:column}.form-group label{font-weight:600;color:var(--color-primary);margin-bottom:var(--spacing-sm)}.form-group input,.form-group textarea{padding:var(--spacing-md);border:2px solid var(--color-border);border-radius:6px;font-family:var(--font-family-sans);font-size:1rem;color:var(--color-text);transition:border-color var(--transition-normal)}.form-group input:focus,.form-group textarea:focus{outline:none;border-color:var(--color-accent)}.form-group textarea{resize:vertical;min-height:150px}.error-message{color:var(--color-error);font-size:.875rem;margin-top:4px;display:none}.error-message.show{display:block}.success-message{color:var(--color-success);font-weight:600;text-align:center;padding:var(--spacing-md);background-color:#10b9811a;border-radius:6px;display:none}.success-message.show{display:block}@media (max-width: 768px){.contact-form-container{padding:var(--spacing-lg)}}@media (max-width: 480px){.form-group input,.form-group textarea{padding:12px;font-size:16px}}.hero{background:linear-gradient(135deg,var(--color-primary) 0%,var(--color-secondary) 100%);color:var(--color-white);padding:calc(var(--spacing-xl) * 6) var(--spacing-xl) calc(var(--spacing-xl) * 4);text-align:center;animation:fadeIn .8s ease-in-out}@keyframes fadeIn{0%{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}.hero-container{max-width:1200px;margin:0 auto;padding:0 var(--spacing-xl)}.hero-content{animation:slideUp .8s ease-in-out .2s both}@keyframes slideUp{0%{opacity:0;transform:translateY(40px)}to{opacity:1;transform:translateY(0)}}.hero-title{font-size:4rem;font-weight:700;margin-bottom:var(--spacing-lg);letter-spacing:-1px;color:var(--color-white)}.hero-subtitle{font-size:1.5rem;margin-bottom:var(--spacing-md);color:#ffffffe6;white-space:nowrap}.hero-tagline{font-size:1.125rem;margin-bottom:var(--spacing-2xl);color:var(--color-accent);font-weight:500}.hero-actions{display:flex;gap:var(--spacing-lg);justify-content:center;flex-wrap:wrap}.page-hero{background:linear-gradient(135deg,#2b2b2b 0%,var(--color-secondary) 100%);color:var(--color-white);padding:calc(var(--spacing-xl) * 4) var(--spacing-xl);text-align:center}.page-title{font-size:3rem;margin-bottom:var(--spacing-md);color:var(--color-white)}.page-subtitle{font-size:1.25rem;color:#fffc;margin-bottom:0}@media (max-width: 768px){.hero{padding-top:calc(var(--spacing-xl) * 4);padding-bottom:calc(var(--spacing-xl) * 2)}.hero-title{font-size:2.5rem}.hero-subtitle{font-size:1.25rem;white-space:normal}.page-title{font-size:2rem}}@media (max-width: 480px){.hero-title{font-size:2rem}.hero-subtitle{font-size:1rem}.hero-actions{flex-direction:column;gap:var(--spacing-md)}.page-title{font-size:1.75rem}}.intro-section{padding:calc(var(--spacing-1xl) * 4) var(--spacing-xl);background-color:var(--color-white)}.intro-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:var(--spacing-xl)}@media (max-width: 768px){.intro-section{padding-top:calc(var(--spacing-xl) * 2);padding-bottom:calc(var(--spacing-xl) * 2)}}@media (max-width: 480px){.intro-grid{grid-template-columns:1fr}}.about-section{padding:calc(var(--spacing-xl) * 4) var(--spacing-xl);background-color:var(--color-white)}.about-grid{max-width:800px;margin:0 auto}.about-text h2{color:var(--color-primary);margin-bottom:var(--spacing-lg)}.about-text p{margin-bottom:var(--spacing-lg);color:#555;line-height:1.8}.education-section{padding:calc(var(--spacing-xl) * 4) var(--spacing-xl);background-color:var(--color-background)}.education-section h2{text-align:center;margin-bottom:calc(var(--spacing-xl) * 2);color:var(--color-primary)}@media (max-width: 768px){.about-section,.education-section{padding-top:calc(var(--spacing-xl) * 2);padding-bottom:calc(var(--spacing-xl) * 2)}}.skills-section{padding:calc(var(--spacing-xl) * 4) var(--spacing-xl);background-color:var(--color-background)}.section-title{text-align:center;margin-bottom:calc(var(--spacing-xl) * 2);color:var(--color-primary)}.skills-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:var(--spacing-2xl)}.skill-category{background-color:var(--color-white);padding:var(--spacing-2xl);border-radius:8px;box-shadow:0 2px 8px #0000000d}.skill-category h3{color:var(--color-secondary);margin-bottom:var(--spacing-lg)}.skill-list{list-style:none}.skill-list li{padding:var(--spacing-sm) 0;color:#666;position:relative;padding-left:var(--spacing-lg)}.skill-list li:before{content:"•";position:absolute;left:0;color:var(--color-accent);font-weight:700}@media (max-width: 768px){.skills-section{padding-top:calc(var(--spacing-xl) * 2);padding-bottom:calc(var(--spacing-xl) * 2)}}@media (max-width: 480px){.section-title{font-size:1.5rem;margin-bottom:var(--spacing-xl)}.skills-grid{grid-template-columns:1fr}}.timeline-section{padding:calc(var(--spacing-xl) * 4) var(--spacing-xl);background-color:var(--color-white)}.timeline{max-width:800px;margin:0 auto;position:relative;padding:var(--spacing-2xl) 0}.timeline:before{content:"";position:absolute;left:30px;top:0;bottom:0;width:2px;background:linear-gradient(to bottom,var(--color-accent),var(--color-secondary))}.timeline-item{margin-bottom:calc(var(--spacing-xl) * 2);padding-left:100px;position:relative}.timeline-marker{position:absolute;left:0;top:6px;width:16px;height:16px;background-color:var(--color-accent);border:3px solid var(--color-white);border-radius:50%;box-shadow:0 0 0 4px var(--color-background)}.timeline-content h3{color:var(--color-primary);margin-bottom:var(--spacing-sm)}.timeline-date{color:var(--color-secondary);font-weight:600;margin-bottom:var(--spacing-md);display:block}.timeline-content p{color:#666;margin-bottom:0}@media (max-width: 768px){.timeline-section{padding-top:calc(var(--spacing-xl) * 2);padding-bottom:calc(var(--spacing-xl) * 2)}.timeline-item{padding-left:60px;margin-bottom:var(--spacing-xl)}.timeline-marker{left:-5px}.timeline:before{left:15px}.timeline-item{padding-left:45px;margin-bottom:var(--spacing-xl)}.timeline-marker{left:6px}}.projects-section{padding:calc(var(--spacing-xl) * 4) var(--spacing-xl);background-color:var(--color-white)}.projects-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(350px,1fr));gap:var(--spacing-2xl)}@media (max-width: 768px){.projects-section{padding-top:calc(var(--spacing-xl) * 2);padding-bottom:calc(var(--spacing-xl) * 2)}.projects-grid{grid-template-columns:1fr}}.contact-section{padding:calc(var(--spacing-xl) * 4) var(--spacing-xl);background-color:var(--color-background)}.contact-content{display:grid;grid-template-columns:1fr 1fr;gap:calc(var(--spacing-xl) * 3);max-width:1000px;margin:0 auto}.contact-info h2{margin-bottom:var(--spacing-lg);color:var(--color-primary)}.contact-info p{color:#666;line-height:1.8}.contact-links{background-color:var(--color-white);padding:var(--spacing-2xl);border-radius:8px;margin-top:var(--spacing-2xl)}.contact-links p{margin-bottom:var(--spacing-md)}.contact-links a{color:var(--color-accent);font-weight:600}@media (max-width: 768px){.contact-section{padding-top:calc(var(--spacing-xl) * 2);padding-bottom:calc(var(--spacing-xl) * 2)}.contact-content{grid-template-columns:1fr;gap:var(--spacing-2xl)}.contact-links{padding:var(--spacing-lg);margin-top:var(--spacing-xl)}}.footer{background-color:var(--color-primary);color:var(--color-white);padding:var(--spacing-2xl) var(--spacing-xl);margin-top:calc(var(--spacing-xl) * 4)}.footer-container{max-width:1200px;margin:0 auto}.footer-content{display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:var(--spacing-lg)}.copyright{color:#ffffffb3;margin-bottom:0}.footer-links{display:flex;gap:var(--spacing-lg)}.footer-link{color:#ffffffb3;transition:color var(--transition-normal)}.footer-link:hover{color:var(--color-accent)}@media (max-width: 480px){.footer-content{flex-direction:column;text-align:center;gap:var(--spacing-xl)}.footer-links{justify-content:center;flex-wrap:wrap}}