@import"https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600&display=swap";:root{--bg: #fff;--fg: #131415;--text: #333;--link: #666;--link-hover: #000}[data-theme=dark]{--bg: #131415;--fg: #fff;--text: #e4e4e4;--link: #999;--link-hover: #fff}*{box-sizing:border-box}body{margin:0;font-family:Inter,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,Cantarell,Fira Sans,Droid Sans,Helvetica Neue,sans-serif;background:var(--bg);color:var(--text);transition:background .2s,color .2s}header{position:fixed;top:2rem;right:2rem;z-index:10}.theme-toggle{background:rgba(255,255,255,.1);backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);border:1px solid rgba(255,255,255,.2);border-radius:50px;width:80px;height:40px;cursor:pointer;display:flex;align-items:center;position:relative;transition:all .3s ease;box-shadow:0 8px 32px #0000001a}.theme-toggle:hover{transform:translateY(-2px);box-shadow:0 12px 40px #00000026}.toggle-slider{width:32px;height:32px;background:#fff;border-radius:50%;position:absolute;top:3px;left:4px;transition:all .3s ease;display:flex;align-items:center;justify-content:center;font-size:14px;box-shadow:0 2px 8px #00000026}.toggle-slider svg{filter:drop-shadow(0 0 4px #3b82f6) drop-shadow(0 0 8px #60a5fa)}.toggle-slider:not([data-theme=dark]){text-shadow:0 0 8px #1e3a8a,0 0 16px #3b82f6,0 0 24px #60a5fa}[data-theme=dark] .theme-toggle{background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.2)}[data-theme=dark] .toggle-slider{transform:translate(40px);background:#1c1c1e;box-shadow:0 2px 8px #0000004d}[data-theme=dark] .toggle-slider svg{filter:drop-shadow(0 0 4px #f59e0b) drop-shadow(0 0 8px #fbbf24)}.logo-container{max-width:45rem;margin:0 auto;padding:2rem 1rem 0}.logo-container svg{transition:all .3s ease;cursor:pointer}.logo-container svg:hover{transform:scale(1.05)}.logo-breathe{animation:breathe 3s ease-in-out infinite}@keyframes breathe{0%,to{transform:scale(1);filter:drop-shadow(0 0 8px var(--fg)) drop-shadow(0 0 16px var(--fg)) drop-shadow(0 0 24px var(--fg))}50%{transform:scale(1.05);filter:drop-shadow(0 0 16px var(--fg)) drop-shadow(0 0 32px var(--fg)) drop-shadow(0 0 48px var(--fg))}}main{max-width:45rem;margin:0 auto;padding:2rem 1rem;min-height:calc(100vh - 15rem);display:flex;align-items:center}article{line-height:1.6}h1{font-size:2.5rem;font-weight:600;margin-bottom:2rem;color:var(--fg)}p{font-size:1.25rem;margin-bottom:1.5rem}a{color:var(--link);text-decoration:underline;transition:color .2s}a:hover{color:var(--link-hover)}