:root{--primary-color: #2563eb;--primary-hover: #1d4ed8;--bg-color: #f8fafc;--text-color: #1e293b;--heading-color: #0f172a;--card-bg: #ffffff;--nav-bg: rgba(255, 255, 255, .8);--border-color: #e2e8f0}@media(prefers-color-scheme:dark){:root{--primary-color: #3b82f6;--primary-hover: #60a5fa;--bg-color: #0f172a;--text-color: #e2e8f0;--heading-color: #f8fafc;--card-bg: #1e293b;--nav-bg: rgba(15, 23, 42, .8);--border-color: #334155}}*{box-sizing:border-box;margin:0;padding:0}body{font-family:Inter,system-ui,-apple-system,sans-serif;background-color:var(--bg-color);color:var(--text-color);line-height:1.6}a{color:inherit;text-decoration:none;transition:color .2s}a:hover{color:var(--primary-color)}button{cursor:pointer;border:none;font-family:inherit}h1,h2,h3,h4,h5,h6{color:var(--heading-color);line-height:1.25;margin-bottom:1rem}.container{max-width:1200px;margin:0 auto;padding:0 1.5rem}.section{padding:4rem 0}.btn{display:inline-flex;align-items:center;justify-content:center;padding:.75rem 1.5rem;border-radius:.5rem;font-weight:600;transition:all .2s}.btn-primary{background-color:var(--primary-color);color:#fff}.btn-primary:hover{background-color:var(--primary-hover);transform:translateY(-1px)}.text-center{text-align:center}.mb-2{margin-bottom:.5rem}.mb-4{margin-bottom:1rem}.mb-8{margin-bottom:2rem}.home-page{animation:fadeIn .5s ease-in}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}