:root{--bg-dark:#f3f4f6;--bg-card:#ffffffbf;--bg-input:#fffffff2;--primary:#4f46e5;--primary-hover:#4338ca;--accent:#06b6d4;--text-main:#1f2937;--text-muted:#6b7280;--border-light:#00000014;--glow:0 0 40px #4f46e533}*{box-sizing:border-box;margin:0;padding:0;font-family:Outfit,sans-serif}body{background-color:var(--bg-dark);color:var(--text-main);min-height:100vh;position:relative;overflow-x:hidden}.background-effects{z-index:-1;pointer-events:none;width:100%;height:100%;position:fixed;top:0;left:0;overflow:hidden}.glow-orb{filter:blur(120px);opacity:.5;border-radius:50%;animation:10s ease-in-out infinite alternate float;position:absolute}.orb-1{background:radial-gradient(circle,#4f46e526 0%,#0000 70%);width:50vw;height:50vw;top:-10%;left:-10%}.orb-2{background:radial-gradient(circle,#06b6d426 0%,#0000 70%);width:60vw;height:60vw;animation-delay:-5s;bottom:-20%;right:-10%}@keyframes float{0%{transform:translate(0)scale(1)}to{transform:translate(5%,5%)scale(1.1)}}.navbar{z-index:50;pointer-events:none;width:100%;padding:2rem 3rem;position:absolute;top:0;left:0}.top-logo{pointer-events:auto;align-items:center;gap:.75rem;display:inline-flex}.logo-icon{width:32px;height:32px;color:var(--primary)}.logo-text{letter-spacing:-.5px;background:linear-gradient(135deg, var(--primary) 0%, var(--accent) 100%);-webkit-text-fill-color:transparent;-webkit-background-clip:text;font-size:1.6rem;font-weight:700}.hero-section{flex-direction:column;justify-content:flex-start;align-items:center;min-height:100vh;padding-top:22vh;display:flex;position:relative}#app{z-index:10;width:100%;max-width:800px;padding:0 2rem;position:relative}.header{text-align:center;margin-bottom:2.5rem}.visually-hidden{clip:rect(0, 0, 0, 0);border:0;width:1px;height:1px;margin:-1px;padding:0;position:absolute;overflow:hidden}.subtitle{color:var(--text-muted);max-width:550px;margin:0 auto;font-size:1.1rem;line-height:1.5}.downloader-card{background:var(--bg-card);border:1px solid var(--border-light);-webkit-backdrop-filter:blur(20px);backdrop-filter:blur(20px);border-radius:20px;padding:2.5rem;box-shadow:0 20px 40px #0000000d,inset 0 1px #ffffff80}.input-group{gap:1rem;display:flex;position:relative}.input-wrapper{flex:1;position:relative}.link-icon{width:20px;height:20px;color:var(--text-muted);transition:color .3s;position:absolute;top:50%;left:1.25rem;transform:translateY(-50%)}input[type=url]{background:var(--bg-input);border:1px solid var(--border-light);width:100%;color:var(--text-main);border-radius:14px;outline:none;padding:1.25rem 1.25rem 1.25rem 3.5rem;font-size:1.05rem;transition:all .3s cubic-bezier(.4,0,.2,1);box-shadow:inset 0 2px 4px #0000000d}input[type=url]::placeholder{color:#9ca3af}input[type=url]:focus{border-color:var(--primary);box-shadow:0 0 0 3px #4f46e540,inset 0 2px 4px #0000000d}input[type=url]:focus+.link-icon{color:var(--primary)}#download-btn{background:linear-gradient(135deg, var(--primary) 0%, #312e81 100%);color:#fff;cursor:pointer;border:none;border-radius:14px;align-items:center;gap:.5rem;padding:0 2rem;font-size:1.05rem;font-weight:600;transition:all .3s;display:flex;box-shadow:0 8px 20px #4f46e54d}#download-btn:hover{box-shadow:var(--glow);background:linear-gradient(135deg, var(--primary-hover) 0%, #3730a3 100%);transform:translateY(-2px)}#download-btn:active{transform:translateY(1px)}.btn-icon{width:20px;height:20px;transition:transform .3s}#download-btn:hover .btn-icon{transform:translate(3px)}.hidden{display:none!important}#loading-state{color:var(--text-muted);flex-direction:column;justify-content:center;align-items:center;gap:1rem;margin-top:3rem;animation:.4s fadeIn;display:flex}.spinner{border:3px solid #0000001a;border-top-color:var(--primary);border-radius:50%;width:40px;height:40px;animation:1s linear infinite spin}@keyframes spin{to{transform:rotate(360deg)}}@keyframes fadeIn{0%{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}.error-toast{color:#ef4444;background:#e53e3e1a;border:1px solid #e53e3e4d;border-radius:12px;align-items:center;gap:.75rem;margin-top:2rem;padding:1rem 1.5rem;animation:.4s fadeIn;display:flex}.error-toast svg{width:20px;height:20px}#result-area{margin-top:2rem;animation:.5s ease-out forwards fadeIn}.result-card{border:1px solid var(--border-light);background:#fff9;border-radius:16px;gap:1.5rem;padding:1.25rem;display:flex;box-shadow:0 4px 15px #00000008}.thumbnail-wrapper{background:#000;border-radius:10px;flex-shrink:0;width:160px;height:90px;position:relative;overflow:hidden}#video-thumbnail{object-fit:cover;opacity:.8;width:100%;height:100%;transition:opacity .3s}.play-overlay{-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);background:#0009;border-radius:50%;justify-content:center;align-items:center;width:36px;height:36px;display:flex;position:absolute;top:50%;left:50%;transform:translate(-50%,-50%)}.play-overlay svg{color:#fff;width:16px;height:16px;margin-left:2px}.video-info{flex-direction:column;flex:1;justify-content:center;display:flex}#video-title{-webkit-line-clamp:2;-webkit-box-orient:vertical;margin-bottom:.25rem;font-size:1.1rem;font-weight:600;display:-webkit-box;overflow:hidden}#video-meta{color:var(--text-muted);margin-bottom:1rem;font-size:.9rem}.download-options{flex-wrap:wrap;gap:.75rem;display:flex}.action-btn{border-radius:8px;align-items:center;gap:.5rem;padding:.6rem 1.2rem;font-size:.9rem;font-weight:600;text-decoration:none;transition:all .2s;display:inline-flex}.action-btn *,#download-btn *{pointer-events:none}.action-btn svg{width:16px;height:16px}.action-btn.primary{background:var(--primary);color:#fff}.action-btn.primary:hover{background:var(--primary-hover)}.action-btn.secondary{color:#475569;border:1px solid var(--border-light);background:#00000005}.action-btn.secondary:hover{background:#0000000d}.features{flex-wrap:wrap;justify-content:center;gap:2rem;margin-top:3rem;display:flex}.feature{color:var(--text-muted);border:1px solid var(--border-light);background:#00000005;border-radius:20px;align-items:center;gap:.5rem;padding:.5rem 1rem;font-size:.9rem;display:flex}.scroll-indicator{color:var(--text-muted);opacity:.7;flex-direction:column;align-items:center;animation:2s infinite bounce;display:flex;position:absolute;bottom:3rem;left:50%;transform:translate(-50%)}.scroll-indicator p{text-transform:uppercase;letter-spacing:1px;margin-bottom:.5rem;font-size:.85rem;font-weight:600}.scroll-indicator svg{width:20px;height:20px}@keyframes bounce{0%,20%,50%,80%,to{transform:translateY(0)translate(-50%)}40%{transform:translateY(-10px)translate(-50%)}60%{transform:translateY(-5px)translate(-50%)}}.content-sections{z-index:10;background:var(--bg-dark);position:relative}.seo-section{border-top:1px solid #00000008;padding:8rem 2rem}.seo-container{max-width:1100px;margin:0 auto}.section-header{margin-bottom:4rem}.section-header.center{text-align:center;flex-direction:column;align-items:center;display:flex}.eyebrow{text-transform:uppercase;letter-spacing:2px;color:var(--primary);margin-bottom:1rem;font-size:.85rem;font-weight:700;display:inline-block}.seo-section h2{letter-spacing:-1.5px;color:var(--text-main);margin-bottom:1rem;font-size:3.5rem;font-weight:700;line-height:1.1}.section-header .desc{color:var(--text-muted);max-width:600px;font-size:1.25rem}.human-steps{grid-template-columns:repeat(3,1fr);gap:2rem;display:grid;position:relative}.h-step{padding:2rem;position:relative}.mt-xl{margin-top:4rem}.mt-xxl{margin-top:8rem}.step-bg-number{color:#4f46e50a;z-index:0;font-size:8rem;font-weight:800;line-height:1;position:absolute;top:-2rem;left:0}.step-content{z-index:1;position:relative}.step-content h3{color:var(--text-main);margin-bottom:1rem;font-size:1.5rem;font-weight:700}.step-content p{color:var(--text-muted);font-size:1.05rem;line-height:1.6}.bento-section{background:#fff6}.bento-grid{grid-template-rows:repeat(2,250px);grid-template-columns:repeat(3,1fr);gap:1.5rem;display:grid}.bento-box{background:var(--bg-card);border:1px solid var(--border-light);border-radius:32px;transition:all .4s cubic-bezier(.16,1,.3,1);position:relative;overflow:hidden;box-shadow:0 4px 20px #00000005}.bento-box:hover{transform:translateY(-4px)scale(1.01);box-shadow:0 20px 40px #0000000f}.bento-large{grid-column:span 2}.bento-tall{grid-row:span 2}.bento-inner{flex-direction:column;justify-content:flex-end;height:100%;padding:2.5rem;display:flex}.bento-inner svg{width:48px;height:48px;color:var(--primary);margin-bottom:auto}.bento-text h4{color:var(--text-main);margin-bottom:.75rem;font-size:1.4rem;font-weight:700}.bento-text p{color:var(--text-muted);font-size:1rem;line-height:1.5}.article-section{background:var(--bg-card);border-top:1px solid #00000008}.seo-article{text-align:center;max-width:800px;margin:0 auto}.seo-article h2{letter-spacing:-.5px;margin-bottom:1.5rem;font-size:2rem}.seo-article p{color:var(--text-muted);margin-bottom:1.5rem;font-size:1.1rem;line-height:1.8}.seo-article strong{color:var(--text-main);font-weight:600}.faq-layout{grid-template-columns:1fr 2fr;gap:4rem;display:grid}.faq-header h2{letter-spacing:-1px;font-size:2.5rem}.faq-header p{color:var(--text-muted);font-size:1.1rem}.human-faq{border-bottom:1px solid #0000000f;padding:2rem 0;transition:border-color .3s}.human-faq:first-child{padding-top:0}.human-faq:hover{border-bottom-color:var(--primary)}.human-faq h4{color:var(--text-main);margin-bottom:1rem;font-size:1.3rem;font-weight:600}.human-faq p{color:var(--text-muted);font-size:1.05rem;line-height:1.6}.footer{background:var(--bg-dark);border-top:1px solid #00000008;padding:4rem 2rem}.footer-flex{flex-wrap:wrap;justify-content:space-between;align-items:center;gap:1.5rem;display:flex}.copyright{color:var(--text-muted);font-size:.95rem}.creator{color:var(--text-muted);font-size:.95rem;font-weight:500}.creator-name{color:var(--primary);letter-spacing:.5px;cursor:pointer;font-weight:700;text-decoration:none;transition:color .3s;display:inline-block;position:relative}.creator-name:after{content:"";background:linear-gradient(90deg, var(--primary), var(--accent));transform-origin:100% 100%;width:100%;height:2px;transition:transform .3s;position:absolute;bottom:-2px;left:0;transform:scaleX(0)}.creator-name:hover:after{transform-origin:0 100%;transform:scaleX(1)}@media (width<=640px){.input-group{flex-direction:column}#download-btn{justify-content:center;padding:1.25rem}.result-card{flex-direction:column}.thumbnail-wrapper{width:100%;height:180px}.hero-section{padding-top:15vh}.navbar{padding:1.5rem}}