body{background:var(--bg-body,#1a1a1a);position:relative;overflow-x:hidden}.sidebar{background:var(--surface-strong,rgba(26,26,26,.8));backdrop-filter:blur(20px)saturate(180%)}.nav-item{background:var(--gradient-nav,linear-gradient(135deg,rgba(45,55,72,.8),rgba(55,65,81,.8)))}.nav-item::before{background:var(--gradient-nav-indicator,linear-gradient(90deg,var(--accent,#4fd1c7),var(--accent-60,rgba(79,209,199,.6))))}.nav-item::after{background:var(--accent,#4fd1c7)}.nav-item:hover{background:var(--gradient-nav-hover,linear-gradient(135deg,rgba(79,209,199,.3),rgba(55,65,81,.8)))}.nav-item.active{background:var(--gradient-nav-active,linear-gradient(135deg,rgba(79,209,199,.4),rgba(55,65,81,.9)))}.contact-section{background:linear-gradient(135deg,var(--surface-alt,rgba(55,65,81,.6)),var(--accent-10,rgba(79,209,199,.1)));backdrop-filter:blur(15px)saturate(180%)}.contact-header h2{background:var(--gradient-accent-linear,linear-gradient(135deg,var(--accent,#4fd1c7),var(--accent-alt,#40e0d0)));-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}.aero-glass{background:var(--surface-medium,rgba(26,26,26,.6));backdrop-filter:blur(10px)saturate(150%)}.contact-item:hover{background:var(--glass-bg-hover,rgba(255,255,255,.15))}.form-group input,.form-group select,.form-group textarea{background:var(--glass-bg-lighter,rgba(255,255,255,.1))}.form-group input:focus,.form-group select:focus,.form-group textarea:focus{background:var(--glass-bg-hover,rgba(255,255,255,.15))}.form-group select option{background:var(--color-bg-600,#374151)}.submit-btn{background:var(--gradient-accent-linear,linear-gradient(135deg,var(--accent,#4fd1c7),var(--accent-alt,#40e0d0)))}.submit-btn:hover{background:var(--gradient-accent-linear-reverse,linear-gradient(135deg,var(--accent-alt,#40e0d0),var(--accent,#4fd1c7)))}.scroll-progress{background:var(--progress-bg,rgba(26,26,26,.8))}.scroll-progress-bar{background:var(--progress-fill,linear-gradient(90deg,var(--accent,#4fd1c7),var(--accent-80,rgba(79,209,199,.8))))}.social-icon{background:var(--accent-20,rgba(79,209,199,.2));backdrop-filter:blur(10px)}.social-icon:hover{background:var(--accent-40,rgba(79,209,199,.4))}@keyframes sectionHighlight{0%{background:var(--accent-10,rgba(79,209,199,.1))}100%{background:0 0}}.skill-block{background:var(--surface-alt,rgba(55,65,81,.6))}.shimmer::before{background:var(--shimmer-gradient,linear-gradient(90deg,transparent,rgba(255,255,255,.2),transparent))}