:root{--bg: #00003c;--bg-alt: #0e122b;--text: #ffffff;--muted: #b5b5b5;--accent: #ff0000;--accent-2: #2d327a;--border: #111743}*{box-sizing:border-box}body{margin:0;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica,Arial,sans-serif;background:var(--bg);color:var(--text);line-height:1.6}.site-header{background:var(--bg-alt);border-bottom:1px solid var(--border)}.nav{max-width:960px;margin:0 auto;display:flex;justify-content:space-between;align-items:center;padding:1rem 1.5rem;flex-wrap:wrap}.nav-brand{font-weight:700;color:var(--text);text-decoration:none}.nav-links a{color:var(--muted);text-decoration:none;margin-left:1.5rem;font-size:.95rem}.nav-links a:hover,.nav-links a.active{color:var(--accent)}main{max-width:960px;margin:0 auto;padding:2rem 1.5rem 4rem}.hero{text-align:center;padding:3rem 0}.hero h1{font-size:2.25rem;margin-bottom:.5rem}.hero p{color:var(--muted)}.idea-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:1.25rem}.idea-card{display:block;background:var(--bg-alt);border:1px solid var(--border);border-radius:10px;padding:1.5rem;text-decoration:none;color:var(--text);transition:transform .15s ease,border-color .15s ease}.idea-card:hover{transform:translateY(-2px);border-color:var(--accent)}.idea-card h2{margin:0 0 .5rem;color:var(--accent-2)}.idea-card p{color:var(--muted);margin:0}.idea-detail h1{margin-bottom:.25rem}.tagline{color:var(--muted);font-size:1.1rem;margin-top:0;margin-bottom:2rem}.idea-detail section{margin-bottom:2rem}.idea-detail h2{color:var(--accent-2);font-size:1.2rem;border-bottom:1px solid var(--border);padding-bottom:.4rem;margin-bottom:.75rem}.site-footer{text-align:center;color:var(--muted);padding:1.5rem;font-size:.85rem;border-top:1px solid var(--border)}