:root{--theme-transition-duration:0.3s;--theme-transition-timing:ease;--hover-transition-duration:0.2s;--header-bg:#242424;--header-shadow:rgba(0,0,0,0.3);--header-text:#e0e0e0;--footer-bg:#242424;--footer-text:#e0e0e0;--footer-link:#b0b0b0;--footer-heading:#4db8a8;--bg-color:white;--text-color:#333;--button-bg:#4db8a8;--button-hover:#3da896;--button-text:white;--border-color:#eee;--hero-text:#333;--hero-text-shadow:rgba(0,0,0,0.5);--hero-bg-overlay:rgba(255,255,255,0.65);--link-text:#333;--box-shadow:rgba(0,0,0,0.2);--box-shadow-hover:rgba(0,0,0,0.25);--nav-hover:#4db8a8}:root,[data-theme=light]{transition:all var(--theme-transition-duration) var(--theme-transition-timing)}[data-theme=light]{--header-bg:white;--header-shadow:rgba(0,0,0,0.1);--header-text:#333;--footer-bg:#f8f8f8;--footer-text:#333;--footer-link:#666;--footer-heading:#4db8a8;--bg-color:white;--text-color:#333;--button-bg:#4db8a8;--button-hover:#3da896;--button-text:white;--border-color:#eee;--hero-text:#333;--hero-text-shadow:rgba(0,0,0,0.5);--hero-bg-overlay:rgba(255,255,255,0.65);--link-text:#333;--box-shadow:rgba(0,0,0,0.2);--box-shadow-hover:rgba(0,0,0,0.25);--nav-hover:#4db8a8}body{margin:0;padding:0;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica Neue,Arial,sans-serif;background-color:var(--bg-color);color:var(--text-color);transition:background-color var(--theme-transition-duration) var(--theme-transition-timing),color var(--theme-transition-duration) var(--theme-transition-timing)}a{text-decoration:none}*{box-sizing:border-box}body,html{max-width:100vw;overflow-x:hidden}body{-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}