*,:before,:after{box-sizing:border-box;margin:0;padding:0}html,body{font-family:Inter,Roboto,sans-serif;font-size:16px;line-height:1.5;transition:background-color .3s,color .3s}:root{--bg-main:#f3f4f6;--bg-card:#fff;--text-primary:#111827;--text-secondary:#555;--border:#e5e7eb;--accent:#3b82f6;--accent-hover:#2563eb}html.dark{--bg-main:#0f172a;--bg-card:#1e293b;--text-primary:#f3f4f6;--text-secondary:#cbd5e1;--accent:#60a5fa;--accent-hover:#3b82f6}body{background-color:var(--bg-main);color:var(--text-primary)}.accent{color:var(--accent)}a{color:var(--accent);text-decoration:none}a:hover{text-decoration:underline}button{cursor:pointer;background-color:var(--accent);color:#fff;border:none;border-radius:6px;padding:.5rem 1rem;font-family:inherit;transition:background-color .3s}button:hover{filter:brightness(.9)}.header{background:var(--bg-card);max-height:150px;color:var(--text-primary);z-index:100;justify-content:space-between;align-items:center;padding:1rem 2rem;display:flex;position:relative;top:0}.theme-switcher-animated{background:var(--bg-card);border:1px solid var(--border);cursor:pointer;border-radius:50%;justify-content:center;align-items:center;width:42px;height:42px;transition:all .3s;display:flex;position:relative;overflow:hidden}.theme-switcher-animated svg{color:var(--text-primary);transition:color .3s}.theme-switcher-animated:hover{background:var(--accent)}.theme-switcher-animated:hover svg{color:#fff}.hero{text-align:center;background:url(/hero-bg.jpg) 50%/cover no-repeat;justify-content:center;align-items:center;height:80vh;display:flex;position:relative}.hero-overlay{color:#fff;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);background:#0000008c;border-radius:1rem;padding:3rem}.hero-title{font-size:3rem;font-weight:700}.hero-subtitle{margin:1rem 0 2rem;font-size:1.25rem}.categories{padding:4rem 2rem}.section-title{text-align:center;margin-bottom:2rem;font-size:2rem;font-weight:600}.grid{grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:2rem;display:grid}.category-card{background:var(--bg-card);border:1px solid var(--border);border-radius:1rem;transition:transform .25s,box-shadow .25s;display:block;overflow:hidden;box-shadow:0 4px 10px #00000014}.category-card:hover{transform:translateY(-6px);box-shadow:0 6px 16px #0000001f}.category-card .card-image{width:100%;height:180px;position:relative}.category-card .card-content{padding:1.5rem}.category-card .card-content h3{margin-bottom:.5rem;font-size:1.25rem}.category-card .card-content p{opacity:.85;font-size:.95rem}.blog-preview{padding:4rem 2rem}.blog-grid{grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:2rem;display:grid}.blog-card{background:var(--bg-card);border:1px solid var(--border);border-radius:1rem;padding:2rem;box-shadow:0 4px 12px #0000000f}.blog-card h3{margin-bottom:.75rem;font-size:1.25rem}.blog-card p{opacity:.9;margin-bottom:1.25rem;font-size:.95rem}.btn{background:var(--accent);color:#fff;text-align:center;border-radius:.5rem;padding:.6rem 1.2rem;font-weight:500;transition:background .2s;display:inline-block}.btn:hover{background:var(--accent-hover)}.btn.small{padding:.4rem .9rem;font-size:.9rem}.btn.primary{background:var(--accent)}.footer{background:var(--bg-card);max-height:150px;color:var(--text-primary);z-index:100;justify-content:center;align-items:center;padding:1rem 2rem;display:flex;position:relative;bottom:0}