:root{--text-light:#ffffff;--text-muted:rgba(255, 255, 255, 0.85);--text-dim:rgba(255, 255, 255, 0.7);--focus-ring:3px solid rgba(0, 238, 255, 0.8);--focus-shadow:0 0 0 3px rgba(0, 238, 255, 0.4)}a:focus,button:focus,input:focus,select:focus,textarea:focus{outline:var(--focus-ring);box-shadow:var(--focus-shadow)}.bg-dark,.bg-darker,.bg-darkest,.bg-light,.bg-lighter{color:var(--text-light)}.text-muted{color:var(--text-muted)!important}.nav-link.active,.nav-link:focus,.nav-link:hover{color:var(--primary);text-shadow:0 0 5px var(--primary-glow)}.btn{font-weight:600}.btn-primary{background:var(--primary);color:var(--bg-darkest)}.btn-secondary{border:2px solid var(--primary)}.btn-secondary:focus,.btn-secondary:hover{background:rgba(0,238,255,.2);color:var(--text-light)}.form-control{border:2px solid rgba(255,255,255,.2);color:var(--text-light)}.form-control:focus{border-color:var(--primary);background:rgba(0,238,255,.1)}.form-label{color:var(--text-muted)}.about-feature-icon i,.contact-item-icon i,.product-icon i{color:var(--primary);text-shadow:0 0 5px var(--primary-glow)}.contact-form,.product-card,.testimonial-card{border:1px solid rgba(255,255,255,.1)}.contact-form:hover,.product-card:hover,.testimonial-card:hover{border-color:rgba(0,238,255,.3)}.about-feature-content h3,.portfolio-title,.testimonial-author h4{color:var(--text-light)}.about-feature-content p,.portfolio-description,.testimonial-text{color:var(--text-muted)}.footer-col a{color:var(--text-muted)}.footer-col a:focus,.footer-col a:hover{color:var(--primary)}.back-to-top,.lightbox-next,.lightbox-prev,.portfolio-nav-button{background:rgba(10,10,20,.7);border:1px solid rgba(0,238,255,.3)}.back-to-top:focus,.back-to-top:hover,.lightbox-next:focus,.lightbox-next:hover,.lightbox-prev:focus,.lightbox-prev:hover,.portfolio-nav-button:focus,.portfolio-nav-button:hover{background:rgba(0,238,255,.2);color:var(--primary)}.show-more-btn{background:rgba(0,238,255,.15);border:2px solid rgba(0,238,255,.3);color:var(--primary);font-weight:600}.show-more-btn:focus,.show-more-btn:hover{background:rgba(0,238,255,.25);box-shadow:0 0 10px rgba(0,238,255,.4)}.form-group.error .form-control{border-color:var(--secondary);box-shadow:0 0 0 1px var(--secondary)}.error-message{color:var(--secondary);font-weight:500}h1,h2,h3,h4,h5,h6{color:var(--text-light)}p{color:var(--text-muted)}p a{color:var(--primary);text-decoration:underline}p a:focus,p a:hover{color:var(--primary-light);text-shadow:0 0 5px var(--primary-glow)}@media (max-width:768px){.nav{background:rgba(5,5,16,.97)}.nav-link{color:var(--text-light);font-size:1.1rem;padding:.75rem 0}.menu-toggle{color:var(--primary)}}@media (max-width:576px){body{font-size:16px}h1{font-size:2.2rem}h2{font-size:1.8rem}h3{font-size:1.4rem}.btn{font-size:1rem;padding:.75rem 1.5rem}}.form-control::placeholder{color:transparent}.skip-to-content{position:absolute;top:-40px;left:0;background:var(--primary);color:var(--bg-darkest);padding:8px 16px;z-index:9999;transition:top .3s}.skip-to-content:focus{top:0}.lightbox-caption{background:rgba(5,5,16,.9)}.lightbox-title{color:var(--primary)}.lightbox-desc{color:var(--text-muted)}.stat-number{color:var(--primary);text-shadow:0 0 10px var(--primary-glow)}.stat-label{color:var(--text-muted);font-weight:500}.testimonial-rating{color:gold;text-shadow:0 0 5px rgba(255,215,0,.5)}.portfolio-item::before{background:linear-gradient(to bottom,transparent 50%,rgba(5,5,16,.9) 100%)}.hero-tagline{background:rgba(0,238,255,.15);color:var(--primary);font-weight:600}.hero-title .highlight{color:var(--primary);text-shadow:0 0 10px var(--primary-glow)}.hero-description{color:var(--text-muted);font-weight:400}.feature-item{color:var(--text-muted)}.feature-item i{color:var(--primary)}.section-title .highlight{color:var(--primary);text-shadow:0 0 10px var(--primary-glow)}.section-subtitle{color:var(--text-muted)}