:root{--primary: #6366f1;--primary-light: #818cf8;--secondary: #10b981;--dark: #1e293b;--light: #f8fafc;--text: #334155;--text-light: #64748b;--glass-bg: rgba(255, 255, 255, .15);--glass-border: rgba(255, 255, 255, .2);--glass-shadow: rgba(0, 0, 0, .1);--font-primary: "Space Grotesk", sans-serif;--font-secondary: "Inter", sans-serif}*{margin:0;padding:0;box-sizing:border-box}html{scroll-behavior:smooth}body{font-family:var(--font-secondary);color:var(--text);background:linear-gradient(135deg,#f0f4ff,#e6f7ff);background-attachment:fixed;line-height:1.6;overflow-x:hidden}h1,h2,h3,h4,h5,h6{font-family:var(--font-primary);font-weight:600;color:var(--dark)}a{text-decoration:none;color:var(--primary);transition:color .3s ease}a:hover{color:var(--primary-light)}.container{max-width:1200px;margin:0 auto;padding:0 2rem}.glass{background:var(--glass-bg);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);border:1px solid var(--glass-border);border-radius:16px;box-shadow:0 4px 30px var(--glass-shadow)}.header{position:fixed;top:0;left:0;width:100%;z-index:100;padding:1.5rem 0;transition:all .3s ease}.header.scrolled{padding:1rem 0;background:#1e293be6;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);box-shadow:0 4px 20px #0000001a}.header-container{display:flex;justify-content:space-between;align-items:center}.logo{font-family:var(--font-primary);font-size:1.5rem;font-weight:700;color:var(--light)}.nav-links{display:flex;gap:2rem}.nav-link{font-weight:500;position:relative;color:var(--light)}.nav-link:after{content:"";position:absolute;bottom:-4px;left:0;width:0;height:2px;background-color:var(--light);transition:width .3s ease}.nav-link:hover:after{width:100%}.nav-link.download-cv{background:var(--primary);color:#fff;padding:.5rem 1.2rem;border-radius:50px;transition:all .3s ease}.nav-link.download-cv:hover{background:var(--primary-light);transform:translateY(-3px);box-shadow:0 5px 15px #6366f14d}.nav-link.download-cv:after{display:none}.mobile-menu-btn{display:none;background:none;border:none;cursor:pointer;font-size:1.5rem;color:var(--light)}.hero{min-height:100vh;display:flex;align-items:center;overflow:hidden;background:url(/images/hero-bg.jpg) no-repeat center center;background-size:cover;position:relative}.hero:before{content:"";position:absolute;top:0;left:0;width:100%;height:100%;background:linear-gradient(to right,#000000b3,#0006);z-index:1}.hero .container{position:relative;z-index:2}.hero-content{max-width:600px}.hero-title{font-size:3.5rem;line-height:1.2;margin-bottom:1.5rem;color:#fff}.hero-subtitle{font-size:1.25rem;color:#fffc;margin-bottom:2rem}.hero-cta{display:inline-block;background:var(--primary);color:#fff;padding:.75rem 2rem;border-radius:50px;font-weight:500;transition:all .3s ease}.hero-cta:hover{background:var(--primary-light);transform:translateY(-3px);box-shadow:0 10px 20px #6366f133}.hero-cta.secondary{background:transparent;border:2px solid white;margin-left:1rem}.hero-cta.secondary:hover{background:#ffffff1a}.hero-image{position:absolute;right:0;top:50%;transform:translateY(-50%);width:45%;z-index:-1}.about{padding:8rem 0}.section-title{font-size:2.5rem;margin-bottom:1rem;position:relative;display:inline-block}.section-title:after{content:"";position:absolute;bottom:-10px;left:0;width:60px;height:4px;background:var(--primary);border-radius:2px}.about-grid{display:grid;grid-template-columns:1fr 1fr;gap:4rem;margin-top:3rem}.about-card{padding:2rem}.about-card h3{font-size:1.5rem;margin-bottom:1rem}.skill-list{display:flex;flex-wrap:wrap;gap:.75rem;margin-top:1.5rem}.skill-tag{background:#6366f11a;color:var(--primary);padding:.5rem 1rem;border-radius:50px;font-size:.875rem;font-weight:500}.projects{padding:8rem 0;background:linear-gradient(135deg,#f8fafc,#f1f5f9)}.projects-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(350px,1fr));gap:2rem;margin-top:3rem}.project-card{padding:2rem;transition:transform .3s ease,box-shadow .3s ease}.project-card:hover{transform:translateY(-5px);box-shadow:0 15px 30px #0000001a}.project-image{width:100%;height:200px;object-fit:cover;border-radius:8px;margin-bottom:1.5rem}.project-title{font-size:1.5rem;margin-bottom:.75rem}.project-tags{display:flex;flex-wrap:wrap;gap:.5rem;margin:1rem 0}.project-tag{background:#10b9811a;color:var(--secondary);padding:.25rem .75rem;border-radius:50px;font-size:.75rem;font-weight:500}.project-links{display:flex;gap:1rem;margin-top:1.5rem}.project-link{display:inline-flex;align-items:center;gap:.5rem;font-size:.875rem;font-weight:500}.demo{padding:8rem 0;background:linear-gradient(135deg,#f5f7ff,#e6f7ff)}.demo-tabs{display:flex;flex-wrap:wrap;gap:1rem;margin:2rem 0;justify-content:center}.demo-tab{padding:.75rem 1.5rem;background:transparent;border:1px solid var(--primary);color:var(--primary);border-radius:30px;font-weight:500;cursor:pointer;transition:all .3s ease}.demo-tab:hover{background:#6366f11a}.demo-tab.active{background:var(--primary);color:#fff}.demo-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(350px,1fr));gap:2.5rem;margin-top:3rem}.demo-card{display:flex;flex-direction:column;overflow:hidden;transition:transform .3s ease,box-shadow .3s ease;height:100%}.demo-card:hover{transform:translateY(-8px);box-shadow:0 15px 30px #0000001a}.demo-card-header{padding:1.5rem 1.5rem 0}.demo-card-category{display:inline-block;font-size:.75rem;font-weight:600;color:var(--primary);text-transform:uppercase;letter-spacing:.05em;margin-bottom:.5rem}.demo-card-title{font-size:1.35rem;margin-bottom:1rem}.demo-card-preview{width:100%;height:200px;overflow:hidden;position:relative}.demo-image{width:100%;height:100%;object-fit:cover;transition:transform .5s ease}.demo-card:hover .demo-image{transform:scale(1.05)}.demo-card-content{padding:1.5rem;display:flex;flex-direction:column;flex-grow:1}.demo-card-content p{margin-bottom:1.25rem;line-height:1.6;color:var(--text);flex-grow:1}.demo-card-tags{display:flex;flex-wrap:wrap;gap:.5rem;margin-bottom:1.5rem}.demo-tag{background:#6366f11a;color:var(--primary);padding:.25rem .75rem;border-radius:50px;font-size:.75rem;font-weight:500}.demo-card-actions{display:flex;gap:1rem;margin-top:auto}.demo-btn{background:var(--primary);color:#fff;border:none;padding:.75rem 1.5rem;border-radius:50px;font-weight:500;cursor:pointer;transition:all .3s ease;flex-grow:1;text-align:center}.demo-btn:hover{background:var(--primary-light);transform:translateY(-3px);box-shadow:0 10px 20px #6366f133}.demo-btn.secondary{background:transparent;color:var(--primary);border:1px solid var(--primary)}.demo-btn.secondary:hover{background:#6366f11a;transform:translateY(-3px);box-shadow:0 10px 20px #6366f11a}.certificates{padding:8rem 0}.certificates-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:2rem;margin-top:3rem}.certificate-card{padding:2rem;text-align:center;transition:transform .3s ease}.certificate-card:hover{transform:translateY(-5px)}.certificate-logo{width:160px;height:160px;margin:0 auto 1.5rem}.certificate-title{font-size:1.25rem;margin-bottom:.5rem}.certificate-issuer{color:var(--text-light);font-size:.875rem;margin-bottom:1rem}.certificate-link{display:inline-flex;align-items:center;gap:.5rem;font-size:.875rem;font-weight:500}.contact{padding:8rem 0;background:linear-gradient(135deg,#f8fafc,#f1f5f9)}.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:4rem;margin-top:3rem}.contact-info{display:flex;flex-direction:column;gap:2rem}.contact-item{display:flex;align-items:center;gap:1rem}.contact-icon{width:40px;height:40px;display:flex;align-items:center;justify-content:center;background:#6366f11a;color:var(--primary);border-radius:50%}.contact-form{padding:2rem}.form-group{margin-bottom:1.5rem}.form-label{display:block;margin-bottom:.5rem;font-weight:500}.form-input,.form-textarea{width:100%;padding:.75rem 1rem;border:1px solid rgba(0,0,0,.1);border-radius:8px;background:#fffc;font-family:var(--font-secondary);transition:all .3s ease}.form-input:focus,.form-textarea:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 3px #6366f133}.form-textarea{resize:vertical;min-height:150px}.form-button{background:var(--primary);color:#fff;border:none;padding:.75rem 2rem;border-radius:50px;font-weight:500;cursor:pointer;transition:all .3s ease}.form-button:hover{background:var(--primary-light);transform:translateY(-3px);box-shadow:0 10px 20px #6366f133}.footer{padding:4rem 0;text-align:center;background:var(--dark);color:var(--light)}.footer-container{display:flex;flex-direction:column;align-items:center;gap:2rem}.footer-logo{font-family:var(--font-primary);font-size:1.5rem;font-weight:700;color:var(--light)}.footer-links{display:flex;gap:2rem}.footer-link{color:var(--light);opacity:.8;transition:opacity .3s ease}.footer-link:hover{opacity:1}.social-links{display:flex;gap:1.5rem;margin-top:2rem}.social-link{display:flex;align-items:center;justify-content:center;width:40px;height:40px;background:#ffffff1a;color:var(--light);border-radius:50%;transition:all .3s ease}.social-link:hover{background:var(--primary);transform:translateY(-3px)}.copyright{margin-top:2rem;opacity:.6;font-size:.875rem}@media (max-width: 1024px){.hero-title{font-size:3rem}.hero-image{width:40%}.about-grid,.contact-grid{grid-template-columns:1fr;gap:3rem}}@media (max-width: 768px){.nav-links{display:none}.mobile-menu-btn{display:block}.hero-content{text-align:center;margin:0 auto}.hero-title{font-size:2.5rem}.hero-image{display:none}.section-title{font-size:2rem}.projects-grid{grid-template-columns:1fr}}@media (max-width: 480px){.hero-title{font-size:2rem}.section-title{font-size:1.75rem}.certificates-grid{grid-template-columns:1fr}}.fade-in{opacity:0;transform:translateY(20px);transition:opacity .6s ease,transform .6s ease}.fade-in.active{opacity:1;transform:translateY(0)}.slide-in-left{opacity:0;transform:translate(-50px);transition:opacity .6s ease,transform .6s ease}.slide-in-left.active{opacity:1;transform:translate(0)}.slide-in-right{opacity:0;transform:translate(50px);transition:opacity .6s ease,transform .6s ease}.slide-in-right.active{opacity:1;transform:translate(0)}.back-to-top{position:fixed;bottom:30px;right:30px;width:50px;height:50px;border-radius:50%;background-color:var(--primary);color:#fff;display:flex;align-items:center;justify-content:center;cursor:pointer;box-shadow:0 4px 10px #0003;transition:all .3s ease;opacity:0;visibility:hidden;z-index:99}.back-to-top.visible{opacity:1;visibility:visible}.back-to-top:hover{background-color:var(--primary-light);transform:translateY(-5px);box-shadow:0 6px 15px #6366f14d}.back-to-top svg{width:24px;height:24px;fill:#fff}@media (max-width: 768px){.back-to-top{bottom:20px;right:20px;width:45px;height:45px}}ul{list-style-position:inside;padding-left:1rem}li{margin-bottom:.5rem;padding-left:1.5rem;position:relative}.nav-links li,.footer-links li{padding-left:0}.highlights ul{list-style-type:none}.highlights li{position:relative;padding-left:2rem}.highlights li:before{content:"→";position:absolute;left:0;color:var(--primary);font-weight:700}.expertise-list{list-style-type:none}.expertise-list li{margin-bottom:1.25rem;padding-left:0}.project-details ul{list-style-type:none;padding-left:0}.project-details li{position:relative;padding-left:1.5rem}.project-details li:before{content:"•";position:absolute;left:0;color:var(--primary);font-weight:700}@media (max-width: 1200px){.demo-grid{grid-template-columns:repeat(auto-fill,minmax(300px,1fr))}}@media (max-width: 768px){.demo-grid{grid-template-columns:repeat(auto-fill,minmax(280px,1fr))}.demo-tabs{gap:.75rem}.demo-tab{padding:.5rem 1rem;font-size:.875rem}}@media (max-width: 576px){.demo-grid{grid-template-columns:1fr}.demo-card-preview{height:180px}.demo-card-actions{flex-direction:column;gap:.75rem}}