:root{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica Neue,Arial,sans-serif;line-height:1.6;font-weight:400;color-scheme:dark;color:#fff;background-color:#000;font-synthesis:none;text-rendering:optimizeLegibility;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}#root{min-height:100vh}*,*:before,*:after{box-sizing:border-box}html,body{margin:0;padding:0;scroll-behavior:smooth}body{background-color:#000;color:#fff;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica Neue,Arial,sans-serif;line-height:1.6}a{color:#fff;text-decoration:none}.logo{display:flex;align-items:center;text-decoration:none}.periodic-logo{display:flex;gap:4px}.element{width:52px;height:60px;border:2px solid rgba(255,255,255,.8);border-radius:4px;display:flex;flex-direction:column;align-items:center;justify-content:center;position:relative;transition:transform .2s ease,box-shadow .2s ease}.element:hover{transform:translateY(-2px);box-shadow:0 4px 20px #fff3}.element .atomic-number{position:absolute;top:3px;left:5px;font-size:8px;font-weight:400;opacity:.8}.element .symbol{font-size:22px;font-weight:700;letter-spacing:-1px}header{display:flex;align-items:center;justify-content:space-between;padding:20px 50px;max-width:1400px;margin:0 auto;height:80px;position:fixed;top:0;left:0;right:0;z-index:100;background:linear-gradient(to bottom,rgba(0,0,0,.8) 0%,transparent 100%)}header .logo{position:fixed;top:15px;left:50%;transform:translate(-50%)}@media(min-width:1000px){header .logo{position:relative;top:initial;left:initial;transform:none}}.center-nav{display:none}@media(min-width:1000px){.center-nav{display:flex;gap:40px}}.center-nav a,.right-nav a{text-transform:uppercase;font-size:13px;font-weight:500;letter-spacing:1px;position:relative;padding:5px 0}.center-nav a:after,.right-nav a:after{content:"";position:absolute;bottom:0;left:0;width:0;height:2px;background-color:#fff;transition:width .3s ease}.center-nav a:hover:after,.right-nav a:hover:after,.center-nav a.active:after,.right-nav a.active:after{width:100%}.right-nav{display:none}@media(min-width:1000px){.right-nav{display:block}}.hamburger{position:fixed;z-index:200;right:15px;top:20px;padding:15px;background:transparent;border:none;cursor:pointer}@media(min-width:1000px){.hamburger{display:none}}.hamburger span{display:block;width:24px;height:2px;margin:5px 0;background-color:#fff;transition:all .3s ease}.hamburger.active span:first-child{transform:rotate(45deg) translate(5px,5px)}.hamburger.active span:nth-child(2){opacity:0}.hamburger.active span:last-child{transform:rotate(-45deg) translate(5px,-5px)}.shadow{position:fixed;inset:0;background-color:#0000;pointer-events:none;transition:background-color .3s ease;z-index:90}.shadow.active{background-color:#0009;pointer-events:auto}.mobile-nav{position:fixed;top:0;right:-300px;bottom:0;width:300px;background-color:#111;z-index:150;padding-top:100px;transition:right .3s ease}.mobile-nav.active{right:0}.mobile-nav a{display:block;padding:20px 30px;border-bottom:1px solid #222;text-transform:uppercase;font-size:14px;letter-spacing:1px;opacity:0;transform:translate(20px);transition:opacity .3s ease,transform .3s ease,color .2s ease}.mobile-nav.active a{opacity:1;transform:translate(0)}.mobile-nav a:nth-child(1){transition-delay:.1s}.mobile-nav a:nth-child(2){transition-delay:.15s}.mobile-nav a:nth-child(3){transition-delay:.2s}.mobile-nav a:nth-child(4){transition-delay:.25s}.mobile-nav a:nth-child(5){transition-delay:.3s}.mobile-nav a:nth-child(6){transition-delay:.35s}.mobile-nav a:hover{color:#4a90a4}.hero-section{min-height:100vh;background-size:cover;background-position:center;background-repeat:no-repeat;position:relative;display:flex;align-items:flex-end;overflow:hidden}.hero-section:before{content:"";position:absolute;inset:0;background:linear-gradient(to bottom,transparent 0%,rgba(0,0,0,.3) 50%,rgba(0,0,0,.7) 100%)}.hero-section .content-outer{flex-grow:1;max-width:1400px;margin:0 auto;position:relative;width:100%;padding:0 30px}.hero-section .content{position:relative;max-width:800px;padding-top:100px;padding-bottom:15vh;opacity:0;transform:translateY(30px);transition:all .8s ease}@media(min-width:1000px){.hero-section .content{padding-top:0}}.hero-section.active .content{opacity:1;transform:translateY(0)}.hero-section .subtitle{display:inline-block;text-transform:uppercase;font-size:12px;letter-spacing:3px;margin-bottom:15px;padding:8px 16px;background:#ffffff1a;border-radius:20px}.hero-section h2{font-size:clamp(32px,6vw,56px);font-weight:700;margin:0 0 25px;line-height:1.1;letter-spacing:-1px}.hero-description{font-size:18px;line-height:1.8;opacity:.9;max-width:600px;margin-bottom:40px}.cta-button{display:inline-block;padding:18px 50px;border:2px solid #fff;text-transform:uppercase;font-size:13px;font-weight:600;letter-spacing:2px;position:relative;overflow:hidden;transition:color .3s ease}.cta-button:before{content:"";position:absolute;top:0;left:0;width:100%;height:0;background-color:#fff;transition:height .3s ease;z-index:0}.cta-button:hover:before{height:100%}.cta-button span{position:relative;z-index:1}.cta-button:hover{color:#000}.feature-list{display:grid;grid-template-columns:1fr;gap:30px;margin-top:40px}@media(min-width:768px){.feature-list{grid-template-columns:repeat(3,1fr)}}.feature{padding:30px;background:#ffffff0d;border:1px solid rgba(255,255,255,.1);border-radius:8px;transition:background .3s ease,transform .3s ease}.feature:hover{background:#ffffff1a;transform:translateY(-5px)}.feature h3{font-size:18px;margin:0 0 12px;font-weight:600}.feature p{font-size:14px;margin:0;opacity:.8;line-height:1.6}.contact-info{display:flex;flex-direction:column;gap:30px;margin-top:40px}@media(min-width:768px){.contact-info{flex-direction:row;gap:60px}}.contact-item h3{font-size:12px;text-transform:uppercase;letter-spacing:2px;margin:0 0 10px;opacity:.6}.contact-item p{font-size:20px;margin:0}.contact-item a{color:#fff;text-decoration:none;border-bottom:1px solid rgba(255,255,255,.3);transition:border-color .2s ease}.contact-item a:hover{border-color:#fff}footer{padding:50px 30px;background:#000;border-top:1px solid #222}footer nav{max-width:1400px;margin:0 auto;display:flex;flex-direction:column;align-items:center;gap:20px}@media(min-width:768px){footer nav{flex-direction:row;justify-content:space-between}}footer nav span{color:#666;font-size:13px;text-transform:uppercase;letter-spacing:1px}.footer-links{display:flex;gap:30px}.footer-links a{font-size:13px;text-transform:uppercase;letter-spacing:1px;opacity:.6;transition:opacity .2s ease}.footer-links a:hover{opacity:1}.portfolio-hero{min-height:60vh}.portfolio-grid-section{background:#0a0a0a;padding:80px 30px}.portfolio-grid{max-width:1200px;margin:0 auto;display:grid;grid-template-columns:1fr;gap:30px}@media(min-width:768px){.portfolio-grid{grid-template-columns:repeat(2,1fr)}}@media(min-width:1024px){.portfolio-grid{grid-template-columns:repeat(3,1fr)}}.portfolio-item{display:block;background:linear-gradient(135deg,#1a1a2e,#16213e);border:1px solid rgba(255,255,255,.1);border-radius:12px;padding:40px 30px;text-decoration:none;color:#fff;opacity:0;transform:translateY(30px);transition:all .5s ease,background .3s ease,transform .3s ease}.portfolio-item.visible{opacity:1;transform:translateY(0)}.portfolio-item:hover{background:linear-gradient(135deg,#1f1f3a,#1a2847);transform:translateY(-5px);border-color:#fff3}.portfolio-content h3{font-size:24px;margin:0 0 15px;font-weight:600}.portfolio-content p{font-size:15px;line-height:1.7;opacity:.8;margin:0 0 20px}.portfolio-tags{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:25px}.portfolio-tags .tag{font-size:11px;text-transform:uppercase;letter-spacing:1px;padding:6px 12px;background:#ffffff1a;border-radius:20px;opacity:.7}.portfolio-link{font-size:13px;text-transform:uppercase;letter-spacing:1px;color:#4a90a4;transition:color .2s ease}.portfolio-item:hover .portfolio-link{color:#6bb3cc}::-webkit-scrollbar{width:8px}::-webkit-scrollbar-track{background:#111}::-webkit-scrollbar-thumb{background:#333;border-radius:4px}::-webkit-scrollbar-thumb:hover{background:#444}
