:root{--bg-primary: #0a0a0a;--bg-secondary: #1a1a1a;--bg-tertiary: #111111;--text-primary: #ffffff;--text-secondary: #cccccc;--text-muted: #888888;--accent-color: #333333;--border-color: #333333;--input-bg: #1a1a1a;--button-bg: #ffffff;--button-text: #000000;--font-family: "Inter", system-ui, Avenir, Helvetica, Arial, sans-serif;--nav-bg: rgba(10, 10, 10, .9);--gradient-primary: linear-gradient(135deg, #667eea 0%, #764ba2 100%);--gradient-accent: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);--gradient-glow: linear-gradient(135deg, #4facfe 0%, #00f2fe 100%)}[data-theme=light]{--bg-primary: #ffffff;--bg-secondary: #f4f4f4;--bg-tertiary: #eeeeee;--text-primary: #1a1a1a;--text-secondary: #444444;--text-muted: #666666;--accent-color: #e0e0e0;--border-color: #e0e0e0;--input-bg: #ffffff;--button-bg: #1a1a1a;--button-text: #ffffff;--nav-bg: rgba(255, 255, 255, .9);--gradient-primary: linear-gradient(135deg, #667eea 0%, #764ba2 100%);--gradient-accent: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);--gradient-glow: linear-gradient(135deg, #4facfe 0%, #00f2fe 100%)}*{box-sizing:border-box;margin:0;padding:0}html{scroll-behavior:smooth;overflow-x:hidden}section{position:relative}section:after{content:"";position:absolute;bottom:0;left:50%;transform:translate(-50%);width:80%;max-width:800px;height:1px;background:linear-gradient(90deg,transparent 0%,var(--border-color) 20%,var(--border-color) 80%,transparent 100%);opacity:.3}section:last-child:after{display:none}.section-divider{width:100%;height:2px;background:var(--gradient-primary);margin:4rem 0;transform-origin:center;animation:divider-expand 1s ease-out}@keyframes divider-expand{0%{transform:scaleX(0);opacity:0}to{transform:scaleX(1);opacity:1}}body{font-family:var(--font-family);background-color:var(--bg-primary);color:var(--text-primary);line-height:1.5;font-weight:400;font-synthesis:none;text-rendering:optimizeLegibility;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;transition:background-color .5s cubic-bezier(.4,0,.2,1),color .5s cubic-bezier(.4,0,.2,1);overflow-x:hidden}@keyframes gradient-shift{0%{background-position:0% 50%}50%{background-position:100% 50%}to{background-position:0% 50%}}@keyframes float{0%,to{transform:translateY(0)}50%{transform:translateY(-20px)}}@keyframes pulse-glow{0%,to{box-shadow:0 0 20px #667eea66}50%{box-shadow:0 0 40px #667eeacc}}@keyframes shimmer{0%{background-position:-1000px 0}to{background-position:1000px 0}}@keyframes rotate-gradient{0%{filter:hue-rotate(0deg)}to{filter:hue-rotate(360deg)}}@keyframes scale-in{0%{opacity:0;transform:scale(.9)}to{opacity:1;transform:scale(1)}}.glass{background:#ffffff0d;backdrop-filter:blur(20px) saturate(180%);-webkit-backdrop-filter:blur(20px) saturate(180%);border:1px solid rgba(255,255,255,.1);box-shadow:0 8px 32px #0000001a}[data-theme=light] .glass{background:#ffffffb3;border:1px solid rgba(0,0,0,.1)}.gradient-text{background:var(--gradient-primary);background-size:200% 200%;-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent;animation:gradient-shift 3s ease infinite}.premium-button{position:relative;overflow:hidden;transition:all .3s cubic-bezier(.4,0,.2,1)}.premium-button:before{content:"";position:absolute;top:50%;left:50%;width:0;height:0;border-radius:50%;background:#ffffff4d;transform:translate(-50%,-50%);transition:width .6s,height .6s}.premium-button:hover:before{width:300px;height:300px}.desktop-menu{display:flex;align-items:center;gap:2rem}.mobile-menu-icon{display:none;font-size:1.5rem;cursor:pointer}@media(max-width:768px){.desktop-menu{display:none}.mobile-menu-icon{display:block}body{cursor:auto!important}}a{color:inherit;text-decoration:none;position:relative}.nav-link{position:relative;transition:color .3s ease}.nav-link:after{content:"";position:absolute;bottom:-5px;left:0;width:0;height:2px;background:var(--gradient-primary);transition:width .3s cubic-bezier(.4,0,.2,1)}.nav-link:hover:after{width:100%}button{cursor:pointer;border:none;background:none;font-family:inherit}input:focus,textarea:focus{outline:none;border-color:transparent;box-shadow:0 0 0 2px #667eea80,0 0 20px #667eea4d;transform:translateY(-2px);transition:all .3s cubic-bezier(.4,0,.2,1)}.scroll-progress{position:fixed;top:0;left:0;right:0;height:3px;background:var(--gradient-primary);transform-origin:0%;z-index:9999}.will-animate{will-change:transform,opacity}.gpu-accelerate{transform:translateZ(0);backface-visibility:hidden;perspective:1000px}@media(prefers-reduced-motion:reduce){*,*:before,*:after{animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important}html{scroll-behavior:auto}}::selection{background:#667eea4d;color:var(--text-primary)}::-webkit-scrollbar{width:10px}::-webkit-scrollbar-track{background:var(--bg-secondary)}::-webkit-scrollbar-thumb{background:var(--gradient-primary);border-radius:5px}::-webkit-scrollbar-thumb:hover{background:var(--gradient-accent)}