/* FolhaAI Estilização Atualizada */
body { font-family: 'Poppins', sans-serif; display: flex; flex-direction: column; min-height: 100vh; padding-top: 56px; background:#f4f6f8;}
main { flex: 1; }
.navbar-brand { font-weight: 700; letter-spacing: 1px; color:#2c3e50;}
.navbar .nav-link.active { font-weight: 600; color:#27ae60 !important;}
.hero-section { background: linear-gradient(rgba(0,0,0,0.5), rgba(0,0,0,0.5)), url('https://images.unsplash.com/photo-1601600576337-c1d9a131804a?q=80&w=1770') no-repeat center center; background-size: cover; height: 65vh; color: white; display:flex; align-items:center; justify-content:center; text-align:center; padding:0 1rem;}
.feature-icon { width:80px; height:80px; border-radius:50%; display:inline-flex; align-items:center; justify-content:center; margin:0 auto; background:#27ae60; color:white; }
.card { transition: transform 0.3s ease, box-shadow 0.3s ease; border-radius:1rem;}
.card:hover { transform: translateY(-5px); box-shadow: 0 .5rem 1rem rgba(0,0,0,.15)!important; }
.page-content { padding-top: 4rem; padding-bottom: 4rem; }
.upload-area { border: 2px dashed #27ae60; padding: 40px; border-radius: 15px; cursor: pointer; transition: border-color 0.3s, background-color 0.3s; text-align:center; background:#ecf0f1; }
.upload-area:hover { border-color: #2ecc71; background-color: #dff9e3; }
video, img { max-width:100%; border-radius:1rem;}