:root{--primary:#ff8a80;--secondary:#264653;--accent:#2a9d8f;--bg-light:#f0f7f4;--text-dark:#333;--white:#fff;--shadow:0 4px 6px rgba(0,0,0,.1);--radius:12px;--container-width:1100px}*,:after,:before{box-sizing:border-box;margin:0;padding:0}html{scroll-behavior:smooth}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica,Arial,sans-serif;line-height:1.6;color:var(--text-dark);background-color:var(--bg-light)}.container{max-width:var(--container-width);margin:0 auto;padding:0 30px}section{padding:60px 0}.grid{display:grid;grid-gap:30px;gap:30px;grid-template-columns:repeat(auto-fit,minmax(300px,1fr))}h1,h2,h3{color:var(--secondary);margin-bottom:1rem;line-height:1.2}h1{font-size:2.8rem}h2{font-size:2rem}.btn{background:var(--primary);color:#fff;padding:12px 28px;border-radius:50px;text-decoration:none;display:inline-block;font-weight:700;transition:transform .2s;cursor:pointer;border:none;font-size:1rem}.btn:hover{transform:scale(1.05)}.card{background:var(--white);padding:25px;border-radius:var(--radius);box-shadow:var(--shadow);transition:transform .3s}.card:hover{transform:translateY(-5px)}.tag{background:var(--bg-light);color:var(--accent);padding:4px 12px;border-radius:20px;font-size:.8rem;font-weight:700;display:inline-block;margin-bottom:10px;margin-right:5px}.section-heading{font-size:2rem;color:var(--secondary);border-bottom:3px solid var(--primary);display:inline-block;margin-bottom:2rem}a.section-heading{text-decoration:none;padding:0;line-height:1.2;font-weight:700}a.section-heading:hover{color:var(--primary)}.qa-item{background:var(--white);margin-bottom:15px;padding:20px;border-radius:var(--radius);border-left:5px solid var(--accent)}.question{font-weight:700;color:var(--secondary);display:block;margin-bottom:10px}@media (max-width:768px){h1{font-size:2.2rem}.grid{grid-template-columns:1fr}.container{padding:0 20px}}.mt-1{margin-top:5px}.mt-2{margin-top:10px}.filters{display:flex;flex-wrap:wrap;gap:.5rem;justify-content:flex-end}.filter-btn{padding:.4rem 1rem;border:1px solid #ccc;border-radius:999px;background:transparent;cursor:pointer;font-size:.9rem;transition:all .2s ease}.filter-btn:hover{border-color:#666}.filter-btn.active{background:#222;color:#fff;border-color:#222}.section-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:1.5rem}