.header{display:flex;align-items:center;justify-content:space-between;padding:12px 24px;background:var(--background-rgba);-webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px);position:sticky;top:0;z-index:20;border-bottom:1px solid var(--border)}.logo-text{font-weight:700;color:var(--primary);font-size:1.2rem;transition:color .3s ease}.header-controls{display:flex;align-items:center;gap:1rem}.theme-toggle{background:none;border:none;color:var(--on-surface);cursor:pointer;padding:.5rem;border-radius:50%;display:flex;align-items:center;justify-content:center;transition:var(--transition);width:36px;height:36px}.theme-toggle:hover{background:var(--surface-variant);color:var(--primary)}.theme-icon{width:20px;height:20px;transition:transform .3s ease}.theme-toggle:hover .theme-icon{transform:rotate(20deg)}.nav-links{display:flex;gap:18px}.nav-links a{padding:8px 16px;border-radius:8px;color:var(--on-surface-variant);text-decoration:none;font-size:.95rem;font-weight:500;transition:all .2s ease}.nav-links a:hover{color:var(--primary);background:var(--tech-hover)}.nav-links a.active{color:var(--primary);font-weight:600}.burger-menu{display:none;flex-direction:column;justify-content:space-between;width:24px;height:18px;background:none;border:none;cursor:pointer;padding:0;z-index:30}.burger-line{width:100%;height:2px;background-color:var(--on-surface);border-radius:2px;transition:var(--transition);transform-origin:center}.burger-line.open:nth-child(1){transform:rotate(45deg) translate(5px,5px)}.burger-line.open:nth-child(2){opacity:0}.burger-line.open:nth-child(3){transform:rotate(-45deg) translate(7px,-6px)}.nav-links{transition:var(--transition)}.nav-links.open{display:flex;position:fixed;top:0;right:0;height:100vh;width:280px;background:var(--background-rgba);border-left:1px solid var(--border);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);flex-direction:column;padding:80px 24px 24px;gap:16px;box-shadow:-4px 0 20px var(--box-shadow);transform:translate(0);z-index:10}.nav-links.open a{font-size:1.1rem;padding:12px 16px;border-radius:8px;transition:var(--transition)}.nav-links.open a:hover{background:var(--tech-hover);transform:translate(-4px)}@media(max-width:768px){.header{padding:12px 16px}.logo-text{font-size:1.1rem}.nav-links{display:none}.burger-menu{display:flex}.theme-toggle{margin-right:8px}}@media(min-width:769px){.nav-links{display:flex;position:static;height:auto;width:auto;background:transparent;padding:0;flex-direction:row;transform:none;box-shadow:none}.burger-menu{display:none}.nav-links a{padding:8px 12px}}@media(max-width:700px){.nav-links{display:none}.burger-menu{display:flex}}.landing{max-width:1200px;margin:0 auto;padding:var(--spacing-lg)}.landing .intro{display:flex;gap:24px;align-items:center;margin-bottom:3rem}.profile-img{width:200px;height:260px;object-fit:cover;border-radius:18px;border:2px solid var(--border);transition:transform .3s ease,border-color .3s ease}.profile-img:hover{transform:scale(1.02);border-color:var(--primary-alpha)}.intro-text h1{margin:0;color:var(--on-background);font-size:2.5rem;margin-bottom:var(--spacing-sm)}.intro-text p{color:var(--on-surface-variant);margin:0 0 1.5rem;font-size:1.2rem}.tech-categories{display:flex;flex-direction:column;gap:2.5rem;margin-top:var(--spacing-lg)}.tech-category{background:var(--surface);border-radius:14px;padding:0;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);border:1px solid var(--border);min-height:auto;transition:all .3s ease}.tech-category:hover{border-color:var(--primary-alpha)}.tech-category-title{color:var(--on-surface);font-size:1.5rem;margin:0;padding-bottom:0;border-bottom:none}.stack-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:1.25rem;margin:0}.tech-card-grid{background:var(--surface);padding:1.25rem;border-radius:10px;border:1px solid var(--border);color:var(--on-background);transition:var(--transition);justify-content:center;align-items:center;text-align:center}.tech-card-grid:hover{background:var(--tech-hover);transform:translateY(-3px);box-shadow:0 4px 12px var(--box-shadow);border-color:var(--primary-alpha)}.level-icon{width:100px;height:100px;margin-bottom:var(--spacing-sm)}.tech-card-grid:hover .level-icon{color:var(--primary)}.tech-card-grid h3{margin:var(--spacing-md) 0 0 0;font-size:1.1rem;color:var(--on-surface)}@keyframes fadeIn{0%{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}.tech-card-grid{animation:fadeIn .5s ease-out forwards;opacity:0}.tech-category-header{display:flex;justify-content:space-between;align-items:center;cursor:pointer;padding:1.5rem;margin-bottom:0;transition:all .3s ease}.tech-category-header:hover{background:var(--tech-hover);border-radius:14px 14px 0 0}.expand-icon{color:var(--on-surface-variant);font-size:1.2rem;transition:transform .3s ease}.tech-category-content{padding:0 1.5rem 1.5rem;margin-top:0}@media(max-width:800px){.landing .intro{flex-direction:column;text-align:center}.stack-grid{grid-template-columns:1fr}.tech-category{padding:0;font-size:var(--spacing-md)}.tech-card-grid{padding:.5rem}.level-icon{width:80px;height:80px;margin-bottom:var(--spacing-sm)}.tech-card-grid h3{margin:var(--spacing-sm) 0 0 0}.intro-text h1{font-size:var(--spacing-lg)}.tech-category-header{padding:1.25rem}.tech-category-content{padding:0 1.25rem 1.25rem}.tech-category-title{font-size:1.2rem}}.topic{color:var(--primary);font-size:2.5rem;margin-bottom:2rem;text-align:center;position:relative}.topic:after{content:"";position:absolute;bottom:-10px;left:50%;transform:translate(-50%);width:60px;height:3px;background:var(--gradient);border-radius:2px}@media(max-width:800px){.topic{font-size:2rem}}.about-page{max-width:1200px;margin:0 auto;color:var(--on-background)}.about-content{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:var(--spacing-lg);margin-top:var(--spacing-lg);padding:0 var(--spacing-md)}.about-card{background:var(--surface);border-radius:12px;padding:var(--spacing-lg);display:flex;flex-direction:column;align-items:flex-start;text-align:left;transition:var(--transition);border:1px solid var(--border);height:100%;position:relative;overflow:hidden}.about-card:before{content:"";position:absolute;top:0;left:0;width:100%;height:4px;background:var(--gradient);transition:var(--transition)}.about-card:hover{transform:translateY(-5px);box-shadow:0 10px 30px var(--box-shadow);border-color:var(--primary-alpha)}.card-icon{font-size:var(--spacing-lg);margin-bottom:var(--spacing-md);color:var(--primary);background:var(--primary-alpha);margin-bottom:1.5rem;width:60px;height:60px;border-radius:50%;align-self:center;display:flex;align-items:center;justify-content:center}.card-icon:hover{cursor:default}.about-card p{color:var(--on-surface-variant);line-height:1.7;margin:0;font-size:1.05rem;position:relative;z-index:1}@media(max-width:768px){.about-content{grid-template-columns:1fr;gap:1.5rem}.about-header h1{font-size:2.2rem}.about-card{padding:1.5rem}}@media(max-width:480px){.about-page{padding:var(--spacing-lg) var(--spacing-md)}.about-header h1{font-size:var(--spacing-lg)}.card-icon{width:50px;height:50px;font-size:1.8rem}}.about-text{transform:translateY(20px);transition:all .5s ease}@media(max-width:800px){.about-page{padding:var(--spacing-md)}.about-page h1{font-size:var(--spacing-lg);margin-bottom:1.5rem}.about-page p{padding:1.25rem;font-size:var(--spacing-md)}}.project-card{background:var(--surface);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);border:1px solid var(--border);border-radius:16px;padding:var(--spacing-lg);transition:all .4s cubic-bezier(.4,0,.2,1);overflow:hidden;position:relative;z-index:1}.project-card:before{content:"";position:absolute;top:0;left:0;right:0;height:4px;background:var(--gradient);opacity:.8}.project-card:hover{transform:translateY(-1px);box-shadow:0 10px 25px var(--box-shadow);border-color:var(--primary-alpha)}.card-header{display:flex;line-height:1.2;justify-content:space-between;align-items:center}.card-body h3{margin:0 0 var(--spacing-md) 0;color:var(--primary);font-size:1.3rem}.card-body button{margin:0 0 var(--spacing-md) 0}.card-body p{margin:0 0 var(--spacing-md) 0;color:var(--on-surface);font-size:var(--spacing-md);line-height:1.6}.tag{display:inline-block;padding:6px 12px;border-radius:20px;font-size:12px;margin-right:8px;margin-bottom:8px;background:var(--surface-variant);color:var(--on-surface-variant);border:1px solid var(--border);transition:all .2s ease}.tag:hover{background:var(--box-shadow);color:var(--on-surface);border-color:var(--tech-hover);cursor:default}.modal-overlay{position:fixed;top:0;left:0;width:100%;height:100%;background:#000c;display:flex;justify-content:center;align-items:center;z-index:1000;padding:20px;box-sizing:border-box}.modal-content{background:var(--surface);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);border:1px solid var(--border);border-radius:16px;max-width:800px;width:100%;max-height:90vh;overflow-y:auto;box-shadow:0 20px 60px var(--box-shadow);transition:var(--transition)}.modal-content:hover{border-color:var(--primary-alpha)}.modal-header{display:flex;justify-content:space-between;align-items:center;padding:24px 24px 16px;border-bottom:1px solid var(--border);position:sticky;top:0;z-index:10;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px)}.modal-header h2{margin:0;color:var(--primary);font-size:1.8rem;font-weight:600}.modal-close{color:var(--on-surface);font-size:28px;cursor:pointer;padding:0;width:36px;height:36px;display:flex;align-items:center;justify-content:center;border-radius:50%;transition:var(--transition);background:var(--tech-hover);border:1px solid var(--border)}.modal-close:hover{border-color:var(--primary-alpha);background:var(--box-shadow);transform:scale(1.05);color:var(--primary)}.modal-body{padding:24px}.modal-body h3{color:var(--primary);margin:0 0 16px;font-size:1.2rem;font-weight:600}.demo-video-container{background:var(--surface-variant);margin-bottom:24px;border-radius:12px;overflow:hidden;border:1px solid var(--border)}.demo-video{width:100%;border-radius:12px;background:var(--background);display:block}.detailed-description{background:var(--surface-variant);border:1px solid var(--border);border-radius:12px;padding:1.5rem;transition:var(--transition)}.detailed-description:hover{border-color:var(--primary-alpha)}.detailed-description h3{color:var(--primary);margin:0 0 16px;font-size:1.2rem;font-weight:600}.detailed-description p{color:var(--on-surface);line-height:1.7;margin:0;font-size:var(--spacing-md)}.screenshots-container{margin-bottom:24px}.screenshots-container h3{color:var(--primary);margin:0 0 16px;font-size:1.2rem;font-weight:600}.screenshot-wrapper{display:flex;align-items:center;gap:16px;position:relative}.screenshot-display{flex:1;position:relative}.screenshot-image{width:100%;height:auto;max-height:400px;object-fit:contain;display:block;border-radius:8px;background:var(--background-rgba);border:1px solid var(--border)}.screenshot-indicators{display:flex;justify-content:center;gap:8px;margin-top:12px}.indicator{width:10px;height:10px;border-radius:50%;background:var(--border);border:none;cursor:pointer;transition:var(--transition);padding:0}.indicator:hover{background:var(--hover)}.indicator.active{background:var(--primary);box-shadow:0 0 8px var(--primary-alpha)}.screenshot-gallery{background:var(--background-rgba);border:1px solid var(--border);border-radius:12px;padding:var(--spacing-md);transition:var(--transition)}.screenshot-main{position:relative;width:100%;border-radius:8px;overflow:hidden;margin-bottom:var(--spacing-md)}.screenshot-image{width:100%;height:auto;display:block;border-radius:8px;transition:var(--transition)}.screenshot-image:hover{transform:scale(1.02)}.screenshot-controls{display:flex;justify-content:space-between;align-items:center;margin-bottom:var(--spacing-sm)}.screenshot-nav{background:var(--tech-hover);border:1px solid var(--border);color:var(--on-surface);font-size:1.5rem;width:36px;height:36px;border-radius:50%;cursor:pointer;display:flex;align-items:center;justify-content:center;transition:var(--transition)}.screenshot-nav:hover:not(:disabled){background:var(--box-shadow);border-color:var(--primary-alpha);transform:scale(1.05);color:var(--primary)}.screenshot-nav:disabled{opacity:.3;cursor:not-allowed}.screenshot-indicators{display:flex;gap:8px}.fullscreen-overlay{position:fixed;top:0;left:0;width:100%;height:100%;background:#000000e6;display:flex;justify-content:center;align-items:center;z-index:2000;padding:20px;box-sizing:border-box}.fullscreen-content{position:relative;max-width:100%;max-height:100%;display:flex;flex-direction:column;align-items:center}.fullscreen-close{position:absolute;top:-40px;right:0;color:var(--on-surface);font-size:28px;cursor:pointer;padding:0;width:36px;height:36px;display:flex;align-items:center;justify-content:center;border-radius:50%;transition:var(--transition);background:var(--tech-hover);border:1px solid var(--border)}.fullscreen-close:hover{border-color:var(--primary-alpha);background:var(--box-shadow);transform:scale(1.05);color:var(--primary)}.fullscreen-image{max-width:100%;max-height:80vh;object-fit:contain;border-radius:8px;box-shadow:0 10px 40px var(--box-shadow)}.fullscreen-controls{display:flex;align-items:center;gap:20px;margin-top:20px;background:var(--surface);padding:12px 20px;border-radius:30px;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px)}.fullscreen-nav{background:var(--tech-hover);border:1px solid var(--border);color:var(--on-surface);font-size:1.5rem;width:36px;height:36px;border-radius:50%;cursor:pointer;display:flex;align-items:center;justify-content:center;transition:var(--transition)}.fullscreen-nav:hover{border-color:var(--primary-alpha);background:var(--box-shadow);transform:scale(1.05);color:var(--primary)}.fullscreen-info{color:var(--on-surface);font-size:var(--spacing-md);font-weight:500;min-width:60px;text-align:center}@media(max-width:768px){.fullscreen-controls{gap:15px;padding:10px 15px}.fullscreen-nav{width:36px;height:36px;font-size:1.4rem}.fullscreen-info{font-size:.9rem}.fullscreen-close{top:-35px;font-size:24px;width:32px;height:32px}}.projects-page{max-width:1200px;margin:0 auto}.projects-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:1.5rem;margin-top:2rem;align-items:stretch}.project-card-wrapper{height:100%;display:flex}@media(max-width:1000px){.projects-grid{grid-template-columns:repeat(2,1fr)}}@media(max-width:600px){.projects-grid{grid-template-columns:1fr}}@media(max-width:800px){.projects-page{padding:1rem}}.certs-page{max-width:1200px;margin:0 auto;min-height:calc(100vh - 60px)}.certs-header{text-align:center}.certs-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:2rem}.cert-card{background:var(--surface);border-radius:12px;overflow:hidden;display:flex;flex-direction:column;border:1px solid var(--border);height:100%}.cert-card:before{content:"";top:0;left:0;width:100%;height:4px;background:var(--gradient);transition:var(--transition)}.cert-card:hover{box-shadow:0 10px 30px var(--box-shadow);border-color:var(--primary-alpha);cursor:pointer}.cert-image-container{width:100%;aspect-ratio:1.4;position:relative;overflow:hidden;display:flex;justify-content:center;align-items:center}.cert-image{width:100%;height:100%;object-fit:contain;transition:var(--transition);padding:var(--spacing-md)}.cert-card:hover .cert-image{transform:scale(1.03)}.cert-content{padding:1.2rem;text-align:center;border-top:1px solid var(--border)}.cert-content h3{margin:0 0 var(--spacing-sm) 0;color:var(--on-surface);font-size:var(--spacing-md);font-weight:600}.cert-meta{font-size:.9rem;color:var(--on-surface-variant);margin-top:var(--spacing-sm)}.issuer{display:block;margin-bottom:.3rem;color:var(--on-surface-variant);font-weight:500}.date,.expires{font-size:.8rem;color:var(--on-surface-variant);background:none;padding:0;border-radius:0}.date{color:var(--on-surface)}@media(max-width:768px){.certs-grid{grid-template-columns:1fr}.certs-page{padding:1.5rem 1rem}}.contact-page{max-width:1200px;margin:0 auto;color:var(--on-background);min-height:60vh;display:flex;flex-direction:column;align-items:center}.contact-container{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:2rem;width:100%;padding:0 1rem}.contact-card{background:var(--surface);border-radius:12px;overflow:hidden;display:flex;flex-direction:column;border:1px solid var(--border);text-decoration:none;align-items:center}.contact-card:before{content:"";top:0;left:0;width:100%;height:4px;background:var(--gradient);transition:var(--transition)}.contact-card:hover{box-shadow:0 10px 30px var(--box-shadow);border-color:var(--primary-alpha)}.contact-icon-container{aspect-ratio:1.4;position:relative;overflow:hidden;display:flex;justify-content:center;align-items:center;height:30vh;border-bottom:1px solid var(--border)}.contact-icon{font-size:10rem;color:var(--on-surface);transition:var(--transition)}.contact-card:hover .contact-icon{transform:rotate(10deg);color:var(--primary)}.contact-card h3{font-size:1.5rem;font-weight:600;color:var(--on-surface)}@media(max-width:768px){.contact-container{grid-template-columns:1fr}}:root{--primary: #1a73e8;--primary-dark: #0d47a1;--primary-light: #63a4ff;--primary-alpha: rgba(26, 115, 232, .6);--secondary: #ff6d00;--secondary-light: #ff9e40;--background: #f8f9fa;--background-rgba: rgba(248, 249, 250, .9);--surface: #ffffff;--surface-variant: #f1f3f4;--on-background: #202124;--on-surface: #3c4043;--on-surface-variant: #5f6368;--border: #dadce0;--gradient: linear-gradient(90deg, var(--secondary), var(--primary));--tech-hover: rgba(0, 0, 0, .05);--box-shadow: rgba(0, 0, 0, .15);--hover: rgba(0, 0, 0, .5);--transition: all .3s ease;--spacing-sm: .5rem;--spacing-md: 1rem;--spacing-lg: 2rem}[data-theme=dark]{--primary: #2ecdcf;--primary-dark: #1a9ea0;--primary-light: #5ce1e6;--primary-alpha: rgba(0, 234, 255, .2);--secondary: #ea00ff;--secondary-light: #ff40f0;--background: #0f0f13;--background-rgba: rgba(15, 15, 19, .9);--surface: #1a1a1f;--surface-variant: #2a2a2f;--on-background: #e8eaed;--on-surface: #e8eaed;--on-surface-variant: #9aa0a6;--border: #3c4043;--gradient: linear-gradient(90deg, var(--secondary), var(--primary));--tech-hover: rgba(255, 255, 255, .05);--box-shadow: rgba(255, 255, 255, .15);--hover: rgba(255, 255, 255, .5)}:focus-visible{outline:2px solid var(--primary);outline-offset:2px}@media(prefers-reduced-motion:reduce){*{animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important;scroll-behavior:auto!important}}*{box-sizing:border-box}body{margin:0;font-family:Inter,ui-sans-serif,system-ui,-apple-system,Segoe UI,Roboto,Helvetica Neue,Arial;background:var(--background);color:var(--on-surface);transition:background-color .3s ease,color .3s ease}.app-root{min-height:100vh;display:flex;flex-direction:column}.page-container{padding:var(--spacing-md);max-width:1200px;margin:0 auto;width:100%}a{color:inherit}.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:.5rem 1.5rem;border-radius:50px;font-weight:600;font-size:1rem;cursor:pointer;transition:all .3s ease;text-decoration:none;border:none;position:relative;overflow:hidden;z-index:1}.btn-primary{background:var(--gradient);color:#fff;box-shadow:0 4px 15px var(--box-shadow)}.btn-primary:hover{transform:translateY(-2px);box-shadow:0 6px 20px var(--box-shadow)}.btn-primary:active{transform:translateY(1px);box-shadow:0 2px 10px var(--box-shadow)}.btn-secondary{background:var(--surface);color:var(--primary);border:2px solid var(--primary)}.btn-secondary:hover{background:var(--primary-alpha);color:var(--on-surface);transform:translateY(-2px)}.btn-text{background:transparent;color:var(--primary);padding:.5rem 1rem}.btn-text:hover{text-decoration:underline;transform:translateY(-1px)}.btn .icon{color:#fff;transition:transform .3s ease}.btn-secondary .icon{color:var(--on-background);transition:transform .3s ease}.btn:hover .icon{transform:translate(4px)}.btn-sm{padding:.5rem 1rem;font-size:.9rem}.btn-lg{padding:1rem 2rem;font-size:1.1rem}@media(max-width:800px){.btn-secondary{font-size:.8rem}}