:root{--brand-color:#2c3e50;--text-color:#333333;--white:#ffffff;--glass-bg:rgba(255, 255, 255, 0.95)}*{box-sizing:border-box;margin:0;padding:0}body{font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;height:100vh;display:flex;justify-content:center;align-items:center;text-align:center;color:var(--text-color);background:linear-gradient(rgba(0,0,0,.7),rgba(0,0,0,.8)),url(assets/fondo_np.webp);background-size:cover;background-position:center;padding:20px}.construction-container{background-color:var(--glass-bg);padding:40px 30px;border-radius:15px;box-shadow:0 10px 25px rgba(0,0,0,.3);max-width:500px;width:100%;animation:fadeIn 1s ease-out}@keyframes fadeIn{from{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}.logo-img{max-width:280px;height:auto;margin-bottom:25px}h1{font-size:1.8rem;color:var(--brand-color);margin-bottom:15px;text-transform:uppercase;letter-spacing:1px}p{font-size:1rem;color:#555;margin-bottom:10px;line-height:1.5}.separator{height:1px;background-color:#ddd;margin:25px 0;width:100%}.btn-action{display:inline-block;background-color:var(--brand-color);color:var(--white);padding:15px 30px;border-radius:8px;text-decoration:none;font-weight:700;transition:transform .2s,background-color .2s;box-shadow:0 4px 6px rgba(0,0,0,.1)}.btn-action:hover{transform:translateY(-2px);opacity:.9}