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var(--transition-smooth);box-shadow:var(--shadow-sm)}.faq-item:hover{border-color:rgba(99,102,241,.2)}.faq-item.open{border-color:var(--primary);box-shadow:0 4px 20px rgba(99,102,241,.1)}.faq-question{width:100%;padding:1.25rem 1.5rem;background:transparent;border:none;font-family:inherit;font-size:1.05rem;font-weight:600;color:var(--text-primary);text-align:left;display:flex;align-items:center;justify-content:space-between;gap:1rem;cursor:pointer}.faq-chevron{transition:transform var(--transition-fast);color:var(--text-muted)}.faq-item.open .faq-chevron{transform:rotate(180deg);color:var(--primary)}.faq-answer-wrap{display:grid;grid-template-rows:0fr;transition:grid-template-rows var(--transition-smooth)}.faq-item.open .faq-answer-wrap{grid-template-rows:1fr}.faq-answer-wrap>div{overflow:hidden}.faq-answer-inner{padding:0 1.5rem 1.25rem;font-size:.95rem;color:var(--text-secondary);line-height:1.7}.blog-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));grid-gap:1.75rem;gap:1.75rem}.blog-card{background:var(--bg-surface);border:1px solid var(--border-subtle);border-radius:var(--radius-lg);overflow:hidden;display:flex;flex-direction:column;transition:all var(--transition-smooth);box-shadow:var(--shadow-sm)}.blog-card:hover{border-color:var(--border-medium);transform:translateY(-4px);box-shadow:var(--shadow-md)}.blog-card-cover{width:100%;height:200px;background:var(--bg-surface-elevated);display:flex;align-items:center;justify-content:center;color:var(--primary);position:relative}.blog-card-body{padding:1.5rem;display:flex;flex-direction:column;flex:1 1}.blog-meta-tag{font-size:.75rem;font-weight:700;text-transform:uppercase;color:var(--primary);margin-bottom:.5rem}.blog-card-title{font-size:1.2rem;font-weight:700;margin-bottom:.6rem;line-height:1.4}.blog-card-excerpt{font-size:.9rem;color:var(--text-secondary);margin-bottom:1.25rem;flex:1 1;line-height:1.6}.blog-author-row{display:flex;align-items:center;justify-content:space-between;font-size:.8rem;color:var(--text-muted);border-top:1px solid var(--border-subtle);padding-top:.85rem}.article-layout{display:grid;grid-template-columns:1fr 300px;grid-gap:3rem;gap:3rem;padding:2.5rem 0 5rem}.article-content{font-size:1.05rem;line-height:1.8;color:var(--text-secondary)}.article-content h2{margin:2.5rem 0 1rem;color:var(--text-primary);padding-bottom:.5rem;border-bottom:1px solid var(--border-subtle)}.article-content h3{margin:1.75rem 0 .75rem;color:var(--text-primary)}.article-content p{margin-bottom:1.25rem}.article-content ol,.article-content ul{margin:1rem 0 1.5rem 1.5rem}.article-content li{margin-bottom:.5rem}.callout-box{background:var(--bg-surface-elevated);border-left:4px solid var(--primary);border-radius:0 var(--radius-md) var(--radius-md) 0;padding:1.25rem 1.5rem;margin:1.75rem 0;color:var(--text-primary)}.callout-title{font-weight:700;color:var(--text-primary);margin-bottom:.4rem;display:flex;align-items:center;gap:.5rem}.sticky-toc{position:-webkit-sticky;position:sticky;top:6rem;background:var(--bg-surface);border:1px solid var(--border-subtle);border-radius:var(--radius-lg);padding:1.5rem;box-shadow:var(--shadow-sm)}.toc-title{font-size:.95rem;font-weight:700;margin-bottom:1rem;color:var(--text-primary);text-transform:uppercase;letter-spacing:.05em}.toc-list{list-style:none;display:flex;flex-direction:column;gap:.6rem;font-size:.88rem}.toc-list a{color:var(--text-secondary)}.toc-list a:hover{color:var(--primary)}.modal-overlay{position:fixed;inset:0;background:rgba(0,0,0,.65);-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);display:flex;align-items:center;justify-content:center;padding:1.5rem;z-index:1000;animation:fadeIn .2s ease-out}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}.modal-card{border:1px solid var(--border-medium);border-radius:var(--radius-xl);padding:2rem;max-width:540px;width:100%;box-shadow:var(--shadow-lg);position:relative}.footer,.modal-card{background:var(--bg-surface)}.footer{border-top:1px solid var(--border-subtle);padding:4.5rem 0 2.5rem;margin-top:auto}.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1.2fr;grid-gap:3rem;gap:3rem;margin-bottom:3.5rem}.footer-brand p{font-size:.92rem;margin-top:1rem;max-width:320px;line-height:1.6}.footer-col-title{font-size:.95rem;font-weight:700;color:var(--text-primary);text-transform:uppercase;letter-spacing:.05em;margin-bottom:1.25rem}.footer-links{list-style:none;display:flex;flex-direction:column;gap:.75rem;font-size:.9rem}.footer-links a{color:var(--text-secondary)}.footer-links a:hover{color:var(--primary)}.footer-bottom{border-top:1px solid var(--border-subtle);padding-top:2rem;display:flex;align-items:center;justify-content:space-between;font-size:.85rem;color:var(--text-muted)}@media (max-width:1024px){.container{padding:0 1.25rem}.media-card{gap:1.25rem;padding:1.25rem}.media-preview-col{flex:0 0 100%}.article-layout,.steps-grid{grid-template-columns:1fr}.sticky-toc{display:none}.footer-grid{grid-template-columns:1fr 1fr;gap:2rem}}@media (max-width:768px){body,html{overflow-x:hidden}.header-actions,.nav-links{display:none}.mobile-menu-btn{display:flex}.hero-section{padding:2.5rem 0 2rem}.downloader-box{padding:1rem;border-radius:var(--radius-lg)}.social-proof-bar{flex-direction:column;gap:.85rem;margin-top:2rem;padding:.85rem}.input-row{flex-direction:column;align-items:stretch;padding:.75rem;gap:.75rem}.media-url-input{width:100%;min-height:44px}.input-actions{justify-content:stretch;width:100%;gap:.5rem}.input-actions .btn{flex:1 1;min-height:46px}.trimmer-inputs{grid-template-columns:1fr}.format-card{flex-direction:column;align-items:stretch;gap:.85rem}.format-card .btn{width:100%;min-height:44px}.footer-grid{grid-template-columns:1fr;gap:2rem}.footer-bottom{flex-direction:column;gap:1rem;text-align:center}.download-toast{width:calc(100vw - 2rem);max-width:380px;right:1rem;left:1rem;bottom:1rem;margin:0 auto}}@media (max-width:480px){.container{padding:0 1rem}.hero-title{font-size:clamp(1.6rem,7.5vw,2.2rem)}.hero-subtitle{font-size:.95rem;margin-bottom:1.5rem}.mode-tabs{width:100%;display:flex}.mode-tab-btn{flex:1 1;justify-content:center;padding:.5rem;font-size:.82rem;min-height:42px}.downloader-box{padding:.75rem}.quick-platforms{gap:.4rem}.quick-pill{padding:.35rem .65rem;font-size:.78rem;min-height:38px}.feature-card,.step-card{padding:1.75rem 1.25rem}.modal-card{padding:1.25rem;max-width:calc(100vw - 1.5rem)}}.spinner{animation:spin 1s linear infinite}@keyframes spin{0%{transform:rotate(0deg)}to{transform:rotate(1turn)}}.media-preview-col{flex:1 1 340px;max-width:100%}.media-formats-col{flex:1 1 400px;max-width:100%;display:flex;flex-direction:column;gap:1.25rem}.tools-hub-section{background:var(--bg-surface-elevated);border-top:1px solid var(--border-subtle)}.tools-hub-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));grid-gap:1.25rem;gap:1.25rem;margin-top:2rem}.tools-hub-card{padding:1.5rem;text-decoration:none}.tools-hub-card-title{font-size:1.1rem;font-weight:600;color:var(--text-primary);margin-bottom:.5rem}.tools-hub-card-desc{font-size:.88rem;color:var(--text-secondary);line-height:1.5;margin:0}.seo-text-section{border-top:1px solid var(--border-subtle);background:var(--bg-base)}.seo-text-container{font-size:.92rem;color:var(--text-secondary);line-height:1.8}.seo-text-title{font-size:1.4rem;color:var(--text-primary)}.seo-text-p,.seo-text-title{margin-bottom:1rem}.logo-dark,[data-theme=dark] .logo-light{display:none}[data-theme=dark] .logo-dark{display:block}.theme-aware-lottie{filter:invert(1)}[data-theme=dark] .theme-aware-lottie{filter:invert(0)}