*{margin:0;padding:0;box-sizing:border-box}body{background:linear-gradient(135deg,#fdfdfd,#e7e7e7);font-family:Arial,Helvetica,sans-serif}html{scroll-behavior:smooth}section{align-items:center;display:flex;flex-direction:column;margin:0 auto;max-width:1200px;opacity:100;padding:4rem 0rem;scroll-margin-top:4rem;transition:all .6s ease}section>p.subtitle{margin-bottom:3rem;max-width:900px;text-align:center}h1{font-size:6rem}h2{color:#333;font-size:2.2rem;margin-bottom:1rem;text-align:center}h3{color:#333;font-size:1.4rem}p{font-size:1rem}p.strong{font-weight:800}p.subtitle{color:#666}button{background:none;border:1px solid #bdbdbd;border-radius:15px;color:#9b9b9b;cursor:pointer;padding:1rem;transition:all .3s ease}button.primary{background:linear-gradient(135deg,#667eea,#764ba2);border:none;color:#fff;padding:1rem 1.5rem}button.primary:hover{border:none}button.disabled{background:#ececec;border:none;color:#bdbdbd;pointer-events:none}button:hover{background-color:#bdbdbd;border:1px solid #bdbdbd;color:#fff;transform:scale(1.05)}.image-placeholder{align-items:center;background:linear-gradient(135deg,#667eea,#764ba2);display:flex;flex-direction:column;height:100%;justify-content:center;padding:1rem;text-align:center}@keyframes fadeInUp{0%{opacity:0;transform:translateY(30px)}to{opacity:1;transform:translateY(0)}}@media (max-width: 1200px){section{max-width:calc(100% - 40px)}h1{font-size:4rem}h3{font-size:1.2rem}}