:root{--accent: #d4750b;--accent-light: #f5a623;--accent-dark: #a85e09;--bg-primary: #ffffff;--bg-secondary: #f9fafb;--bg-tertiary: #f3f4f6;--text-primary: #0f172a;--text-secondary: #475569;--text-tertiary: #94a3b8;--border-color: #e2e8f0;--shadow-color: rgba(15, 23, 42, .1);--gradient-primary: linear-gradient(135deg, #d4750b 0%, #f5a623 100%);--gradient-secondary: linear-gradient(135deg, rgba(212, 117, 11, .1) 0%, rgba(245, 166, 35, .05) 100%);--gradient-mesh: radial-gradient(at 0% 0%, rgba(212, 117, 11, .15) 0px, transparent 50%), radial-gradient(at 100% 100%, rgba(245, 166, 35, .1) 0px, transparent 50%);--blur-sm: blur(8px);--blur-md: blur(16px);--box-shadow: 0 4px 6px -1px var(--shadow-color), 0 2px 4px -2px var(--shadow-color);--box-shadow-lg: 0 20px 25px -5px var(--shadow-color), 0 8px 10px -6px var(--shadow-color);--box-shadow-xl: 0 25px 50px -12px var(--shadow-color);--transition-fast: .15s cubic-bezier(.4, 0, .2, 1);--transition-base: .3s cubic-bezier(.4, 0, .2, 1);--transition-slow: .5s cubic-bezier(.4, 0, .2, 1)}.dark{--bg-primary: #0f172a;--bg-secondary: #1e293b;--bg-tertiary: #334155;--text-primary: #f1f5f9;--text-secondary: #cbd5e1;--text-tertiary: #94a3b8;--border-color: #334155;--shadow-color: rgba(0, 0, 0, .5);--gradient-secondary: linear-gradient(135deg, rgba(212, 117, 11, .2) 0%, rgba(245, 166, 35, .1) 100%);--gradient-mesh: radial-gradient(at 0% 0%, rgba(212, 117, 11, .25) 0px, transparent 50%), radial-gradient(at 100% 100%, rgba(245, 166, 35, .15) 0px, transparent 50%)}*{box-sizing:border-box;margin:0;padding:0}html{scroll-behavior:smooth}body{font-family:system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,Cantarell,Open Sans,Helvetica Neue,sans-serif;background:var(--bg-secondary);color:var(--text-primary);line-height:1.6;transition:background-color .3s ease,color .3s ease;min-height:100vh}body:before{content:"";position:fixed;inset:0;background:var(--gradient-mesh);pointer-events:none;z-index:0;opacity:.5}header{background:var(--bg-primary);backdrop-filter:var(--blur-md);-webkit-backdrop-filter:var(--blur-md);box-shadow:var(--box-shadow);padding:1rem 2rem;margin-bottom:2rem;position:sticky;top:0;z-index:100;border-bottom:1px solid var(--border-color);transition:background .3s ease,box-shadow .3s ease}.dark header{background:#0f172acc}.header-container{max-width:1200px;margin:0 auto;display:flex;justify-content:space-between;align-items:center;position:relative}.logo{display:block;position:relative;z-index:1}.logo img{height:50px;width:auto;transition:transform .3s ease}.dark .logo img{filter:brightness(0) invert(1)}.logo:hover img{transform:scale(1.05)}.nav-wrapper{display:flex;align-items:center;gap:2rem}nav{display:flex;gap:2rem;align-items:center}nav a{color:var(--text-primary);text-decoration:none;font-weight:500;transition:color .3s ease;padding-bottom:.25rem;border-bottom:2px solid transparent;position:relative}nav a:after{content:"";position:absolute;bottom:-2px;left:0;right:0;height:2px;background:var(--gradient-primary);transform:scaleX(0);transition:transform .4s ease}nav a:hover:after,nav a.active:after{transform:scaleX(1)}nav a:hover,nav a.active{color:var(--accent)}.theme-toggle{background:var(--bg-tertiary);border:1px solid var(--border-color);border-radius:9999px;padding:.5rem;cursor:pointer;display:flex;align-items:center;justify-content:center;transition:all .3s ease;position:relative;overflow:hidden}.theme-toggle:hover{background:var(--accent);border-color:var(--accent);transform:rotate(180deg)}.theme-toggle:hover svg{color:#fff}.theme-toggle svg{width:20px;height:20px;color:var(--text-primary);transition:color .3s ease}.dark .sun-icon,.moon-icon{display:none}.dark .moon-icon,.sun-icon{display:block}main{max-width:1200px;margin:0 auto;padding:2rem;min-height:calc(100vh - 200px);position:relative;z-index:1}footer{background:var(--bg-primary);border-top:1px solid var(--border-color);padding:2rem;margin-top:4rem;position:relative;z-index:1;transition:background .3s ease}.dark footer{background:#0f172a99;backdrop-filter:var(--blur-md);-webkit-backdrop-filter:var(--blur-md)}.footer-content{max-width:1200px;margin:0 auto;display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:1rem}.footer-info p{color:var(--text-tertiary);font-size:.9rem}.footer-social{display:flex;gap:1rem}.footer-social a{color:var(--text-tertiary);transition:all .3s ease;display:flex;align-items:center;justify-content:center;padding:.5rem;border-radius:.5rem}.footer-social a:hover{color:var(--accent);background:var(--bg-tertiary);transform:translateY(-2px)}@media (max-width: 968px){.nav-wrapper{flex-direction:column;gap:1rem}}@media (max-width: 768px){.header-container{flex-direction:column;gap:1rem}.logo img{height:40px}nav{gap:1rem;font-size:.9rem}.footer-content{flex-direction:column;text-align:center}}