:root{--youtube-primary:#FF0000;--youtube-secondary:#cc0000;--youtube-dark:#282828;--youtube-light:rgba(255, 0, 0, 0.05);--text-color:#030303;--light-gray:#f1f1f1;--dark-gray:#606060;}body{font-family:'Poppins', sans-serif;color:var(--text-color);line-height:1.6;background-color:#f9f9f9;}.navbar{background-color:#fff;box-shadow:0 1px 2px rgba(0, 0, 0, 0.05);}.navbar-brand{font-weight:600;color:var(--youtube-primary) !important;}.nav-link{font-weight:500;}.nav-link:hover, .nav-link.active{color:var(--youtube-primary) !important;}.hero-section{background:#ffffff;color:var(--text-color);padding:4rem 0;border-bottom:1px solid var(--light-gray);}.hero-section h1{font-weight:700;}.hero-features .badge{background-color:var(--light-gray);color:var(--dark-gray);padding:0.5rem 1rem;margin:0 0.5rem;font-weight:500;border:1px solid #ddd;}.image-container{background:#fff;border-radius:12px;padding:1.5rem;border:1px solid var(--light-gray);}.drop-zone{border:2px dashed #ddd;border-radius:12px;padding:2rem;min-height:400px;display:flex;align-items:center;justify-content:center;transition:all 0.2s ease;}.drop-zone:hover, .drop-zone.dragover{border-color:var(--youtube-primary);background-color:var(--youtube-light);}.drop-zone-prompt i{font-size:5rem;color:var(--youtube-primary);margin-bottom:1rem;}.preview-image{max-width:100%;max-height:400px;border-radius:12px;}.options-container{background:#fff;border-radius:12px;padding:1.5rem;border:1px solid var(--light-gray);}.option-card{background:#f9f9f9;border-radius:12px;padding:1.25rem;cursor:pointer;border:2px solid transparent;transition:all 0.2s ease;}.option-card:hover{background:#eeeeee;}.option-card.active{border-color:var(--youtube-primary);background:var(--youtube-light);}.option-card i{font-size:1.5rem;color:var(--youtube-primary);margin-bottom:0.75rem;}.btn{padding:0.75rem 1.5rem;font-weight:600;border-radius:30px;}.btn-primary{background-color:var(--youtube-primary);border-color:var(--youtube-primary);}.btn-primary:hover{background-color:var(--youtube-secondary);border-color:var(--youtube-secondary);}.btn-outline-primary{color:var(--youtube-primary);border-color:#ddd;}.btn-outline-primary:hover{background-color:#f1f1f1;color:var(--youtube-primary);border-color:#ddd;}.feature-card{background:#fff;border-radius:12px;padding:2rem;height:100%;border:1px solid var(--light-gray);}.feature-card i{color:var(--youtube-primary);}.footer{background-color:#fff;border-top:1px solid var(--light-gray);}.footer-social a{background-color:var(--light-gray);color:var(--dark-gray);}.footer-social a:hover{background-color:var(--youtube-primary);color:white;}