:root{--primary:#0a192f;--secondary:#17a2b8;--accent:#ffc107;--light:#f8f9fa;--success:#2ecc71;--text:#333;--muted:#65727f}*{margin:0;padding:0;box-sizing:border-box;font-family:Poppins,Segoe UI,sans-serif}body{background:var(--light);color:var(--text);line-height:1.7;padding-top:72px}a{text-decoration:none}nav{background:#0a192f;padding:.9rem 5%;display:flex;justify-content:space-between;align-items:center;position:fixed;top:0;width:100%;z-index:10}.logo{color:white;font-weight:900}.logo span{color:var(--accent)}.nav-links{display:flex;gap:1rem;align-items:center}.nav-links a{color:white;font-weight:700;font-size:.85rem}.menu-btn{display:none;color:white;font-size:1.4rem}.hero{padding:90px 8%;background:linear-gradient(rgba(10,25,47,.78),rgba(10,25,47,.86)),url('https://images.unsplash.com/photo-1542838132-92c53300491e?auto=format&fit=crop&w=1600&q=80');background-size:cover;background-position:center;color:white;text-align:center}.hero h1{font-size:clamp(2.1rem,5vw,4.2rem);line-height:1.1;margin-bottom:18px}.hero p{max-width:850px;margin:0 auto 28px;color:#e3edf5;font-size:1.1rem}.btn{display:inline-flex;gap:8px;align-items:center;background:var(--accent);color:var(--primary);padding:14px 24px;border-radius:50px;font-weight:900;margin:6px}.btn.dark{background:var(--primary);color:white}.section{padding:75px 8%}.title{text-align:center;color:var(--primary);font-size:clamp(1.8rem,4vw,2.5rem);margin-bottom:35px}.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:26px}.card{background:white;border-radius:20px;box-shadow:0 8px 24px rgba(0,0,0,.07);padding:28px;border:1px solid #e9eef3}.card img{width:100%;height:230px;object-fit:cover;border-radius:16px;margin-bottom:18px}.card h2,.card h3{color:var(--primary);margin-bottom:10px}.tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:12px}.tags span{background:#eef7f8;color:#0b6470;border-radius:99px;padding:5px 10px;font-weight:700;font-size:.83rem}.content{max-width:950px;margin:auto;background:white;padding:36px;border-radius:20px;box-shadow:0 8px 24px rgba(0,0,0,.06)}.content h2{color:var(--primary);margin:22px 0 10px}.content ul{margin-left:22px}footer{background:#050c16;color:#b9c2cb;text-align:center;padding:50px 8%}.footer-links{margin:18px 0;display:flex;gap:16px;justify-content:center;flex-wrap:wrap}.footer-links a{color:#fff}.whatsapp{position:fixed;right:20px;bottom:20px;background:#25d366;color:white;width:58px;height:58px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:30px;box-shadow:0 4px 18px #0004}@media(max-width:850px){.nav-links{position:fixed;top:72px;right:-100%;height:calc(100vh - 72px);width:260px;background:#0a192f;flex-direction:column;align-items:flex-start;padding:30px;transition:.3s}.nav-links.active{right:0}.menu-btn{display:block}.section{padding:55px 5%}}