:root{--primary:#3a86ff;--secondary:#ff006e;--dark:#1a1a2e;--light:#f8f9fa;--accent:#4cc9f0}*{margin:0;padding:0;box-sizing:border-box;font-family:'Segoe UI',Tahoma,Geneva,Verdana,sans-serif}html{scroll-behavior:smooth}body{background-color:var(--dark);color:var(--light);overflow-x:hidden}a{text-decoration:none;color:var(--light)}.container{width:90%;max-width:1200px;margin:0 auto;padding:0 15px}.btn{display:inline-block;padding:12px 30px;background:linear-gradient(45deg,var(--primary),var(--accent));color:#fff;border-radius:30px;font-weight:600;text-transform:uppercase;letter-spacing:1px;cursor:pointer;transition:all .3s ease;border:none;box-shadow:0 4px 15px rgba(74,201,240,.3)}.btn:hover{transform:translateY(-3px);box-shadow:0 8px 20px rgba(74,201,240,.4)}section{padding:80px 0}h1,h2,h3{margin-bottom:20px}p{line-height:1.6;margin-bottom:20px}header{position:fixed;top:0;width:100%;z-index:1000;background-color:rgba(26,26,46,.9);backdrop-filter:blur(10px);padding:20px 0;transition:all .3s ease}header.scrolled{padding:15px 0;background-color:rgba(26,26,46,.95);box-shadow:0 5px 20px rgba(0,0,0,.1)}nav{display:flex;justify-content:space-between;align-items:center}.logo{font-size:24px;font-weight:700;color:var(--light);display:flex;align-items:center}.logo span{color:var(--accent)}.nav-links{display:flex;list-style:none}.nav-links li{margin-left:30px}.nav-links a{position:relative;font-weight:500;transition:all .3s ease}.nav-links a:after{content:'';position:absolute;bottom:-5px;left:0;width:0;height:2px;background-color:var(--accent);transition:width .3s ease}.nav-links a:hover{color:var(--accent)}.nav-links a:hover:after{width:100%}.hamburger{display:none;cursor:pointer}.hamburger div{width:25px;height:3px;background-color:#fff;margin:5px;transition:all .3s ease}#hero{height:100vh;display:flex;align-items:center;position:relative;overflow:hidden}.hero-content{position:relative;z-index:2;text-align:center;margin:0 auto;max-width:800px}.hero-title{font-size:4rem;font-weight:700;margin-bottom:20px;line-height:1.2}.hero-title span{color:var(--accent)}.hero-subtitle{font-size:1.5rem;margin-bottom:40px;max-width:600px}.hero-bg{position:absolute;top:0;right:0;width:50%;height:100%;background:url(/api/placeholder/800/600) no-repeat center center;background-size:cover;opacity:.6;z-index:1}#about{background-color:#1d1d35}.about-grid{display:grid;grid-template-columns:1fr 1fr;gap:50px;align-items:center}.about-content h2{font-size:2.5rem;position:relative;padding-bottom:15px}.about-content h2:after{content:'';position:absolute;bottom:0;left:0;width:80px;height:4px;background:linear-gradient(45deg,var(--primary),var(--accent))}.about-image{position:relative;height:400px;border-radius:10px;overflow:hidden;box-shadow:0 15px 30px rgba(0,0,0,.3)}.about-image img{width:100%;height:100%;object-fit:cover}.section-title{text-align:center;font-size:2.5rem;margin-bottom:60px;position:relative}.section-title:after{content:'';position:absolute;bottom:-15px;left:50%;transform:translateX(-50%);width:80px;height:4px;background:linear-gradient(45deg,var(--primary),var(--accent))}.projects-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:30px}.project-card{background-color:#1d1d35;border-radius:10px;overflow:hidden;box-shadow:0 10px 20px rgba(0,0,0,.2);transition:all .3s ease}.project-card:hover{transform:translateY(-10px);box-shadow:0 15px 30px rgba(0,0,0,.3)}.project-image{height:200px;overflow:hidden}.project-image img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease}.project-card:hover .project-image img{transform:scale(1.1)}.project-content{padding:20px}.project-content h3{font-size:1.5rem;margin-bottom:10px}.project-tags{display:flex;flex-wrap:wrap;margin-top:15px}.tag{padding:5px 15px;background-color:rgba(74,201,240,.1);color:var(--accent);border-radius:20px;font-size:.8rem;margin-right:10px;margin-bottom:10px}#tech-stack{background-color:#1d1d35}.tech-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(120px,1fr));gap:30px;margin-top:50px}.tech-item{text-align:center;transition:all .3s ease}.tech-item:hover{transform:translateY(-10px)}.tech-icon{width:80px;height:80px;margin:0 auto 15px;background-color:#2a2a45;border-radius:50%;display:flex;align-items:center;justify-content:center;box-shadow:0 10px 20px rgba(0,0,0,.1)}.tech-icon i{font-size:36px;color:var(--accent)}#demo{position:relative;overflow:hidden}.demo-container{text-align:center}.canvas-container{width:100%;height:400px;margin:40px 0;position:relative;background-color:#1d1d35;border-radius:10px;overflow:hidden;box-shadow:0 15px 30px rgba(0,0,0,.3)}#demo-canvas{width:100%;height:100%}.canvas-overlay{position:absolute;top:0;left:0;width:100%;height:100%;display:flex;align-items:center;justify-content:center;background-color:rgba(26,26,46,.7);opacity:1;transition:opacity .5s ease}.canvas-overlay.hidden{opacity:0;pointer-events:none}#contact{position:relative}.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:50px}.contact-info h3{font-size:1.8rem;margin-bottom:30px}.contact-item{display:flex;margin-bottom:30px}.contact-icon{width:50px;height:50px;background-color:rgba(74,201,240,.1);border-radius:50%;display:flex;align-items:center;justify-content:center;margin-right:20px}.contact-icon i{font-size:20px;color:var(--accent)}.contact-details h4{font-size:1.2rem;margin-bottom:5px}.contact-form{background-color:#1d1d35;padding:30px;border-radius:10px;box-shadow:0 15px 30px rgba(0,0,0,.2)}.form-group{margin-bottom:20px}.form-control{width:100%;padding:12px 15px;background-color:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.1);border-radius:5px;color:var(--light);font-size:1rem;transition:all .3s ease}.form-control:focus{outline:0;border-color:var(--accent);background-color:rgba(255,255,255,.1)}textarea.form-control{min-height:150px;resize:vertical}footer{background-color:#151525;padding:30px 0;text-align:center}.footer-grid{display:grid;grid-template-columns:2fr 1fr 1.5fr;gap:40px;text-align:left;margin-bottom:30px}.footer-content{margin-bottom:20px}.footer-features{display:grid;grid-template-columns:repeat(auto-fit,minmax(140px,1fr));gap:20px;margin-top:20px}.footer-features .feature{display:flex;align-items:center;gap:10px}.footer-features .feature i{color:var(--accent);font-size:1.2rem}.footer-links h4,.footer-newsletter h4{color:var(--accent);margin-bottom:20px}.footer-links ul{list-style:none}.footer-links li{margin-bottom:10px}.footer-links a{transition:color .3s ease}.footer-links a:hover{color:var(--accent)}.footer-newsletter input{width:100%;padding:10px;margin-bottom:10px;background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.2);border-radius:5px;color:var(--light)}.social-links{display:flex;justify-content:center;gap:20px;margin-bottom:20px}.social-links a{width:40px;height:40px;background-color:rgba(255,255,255,.05);border-radius:50%;display:flex;align-items:center;justify-content:center;transition:all .3s ease}.social-links a:hover{background-color:var(--accent);transform:translateY(-5px)}.social-links i{font-size:18px}.footer-bottom{padding-top:20px;border-top:1px solid rgba(255,255,255,.1)}.footer-bottom a{color:var(--accent);transition:opacity .3s ease}.footer-bottom a:hover{opacity:.8}@media screen and (max-width:992px){.footer-grid{grid-template-columns:1fr;text-align:center}.footer-features{justify-content:center}.footer-links ul{display:flex;flex-wrap:wrap;justify-content:center;gap:20px}.footer-links li{margin-bottom:0}}@keyframes fadeInUp{from{opacity:0;transform:translateY(30px)}to{opacity:1;transform:translateY(0)}}.fade-in-up{animation:fadeInUp .5s ease forwards}.notification{position:fixed;bottom:20px;right:20px;padding:15px 25px;border-radius:5px;background:var(--accent);color:#fff;z-index:1000;display:none;animation:slideIn .5s ease;box-shadow:0 4px 15px rgba(0,0,0,.2)}.notification.error{background:var(--secondary)}@keyframes slideIn{from{transform:translateX(100%);opacity:0}to{transform:translateX(0);opacity:1}}@media screen and (max-width:768px){.hamburger{display:block;z-index:1001}.nav-links{position:fixed;top:0;right:-100%;height:100vh;width:70%;background:var(--dark);flex-direction:column;align-items:center;justify-content:center;transition:right .5s ease;box-shadow:-5px 0 15px rgba(0,0,0,.3)}.nav-links.nav-active{right:0}.nav-links li{margin:20px 0;opacity:0;animation:navLinkFade .5s ease forwards}.hamburger.active .line:nth-child(1){transform:rotate(45deg) translate(5px,5px)}.hamburger.active .line:nth-child(2){opacity:0}.hamburger.active .line:nth-child(3){transform:rotate(-45deg) translate(5px,-5px)}@keyframes navLinkFade{from{opacity:0;transform:translateX(50px)}to{opacity:1;transform:translateX(0)}}}@media screen and (max-width:992px){.hero-title{font-size:3rem}.about-grid,.contact-grid{grid-template-columns:1fr}.about-image{height:300px;order:-1}}@media screen and (max-width:576px){.hero-title{font-size:2rem}.section-title{font-size:2rem}.nav-links{width:70%}}.sphere{position:absolute;border-radius:50%;background:radial-gradient(circle at 30% 30%,var(--accent),var(--primary));box-shadow:0 0 20px rgba(74,201,240,.5);animation:float 8s ease-in-out infinite;z-index:0}.sphere-1{width:100px;height:100px;top:15%;right:10%}.sphere-2{width:150px;height:150px;bottom:15%;left:5%;animation-delay:2s}.sphere-3{width:80px;height:80px;top:50%;right:20%;animation-delay:4s}@keyframes float{0%,100%{transform:translateY(0) rotate(0)}50%{transform:translateY(-20px) rotate(10deg)}}