@font-face{font-family:Inter;font-style:normal;font-weight:400;font-display:swap;src:url('https://cdn.jsdelivr.net/npm/@fontsource/inter@5.2.8/files/inter-latin-400-normal.woff2') format('woff2')}
@font-face{font-family:Inter;font-style:normal;font-weight:500;font-display:swap;src:url('https://cdn.jsdelivr.net/npm/@fontsource/inter@5.2.8/files/inter-latin-500-normal.woff2') format('woff2')}
@font-face{font-family:Inter;font-style:normal;font-weight:600;font-display:swap;src:url('https://cdn.jsdelivr.net/npm/@fontsource/inter@5.2.8/files/inter-latin-600-normal.woff2') format('woff2')}
@font-face{font-family:Inter;font-style:normal;font-weight:700;font-display:swap;src:url('https://cdn.jsdelivr.net/npm/@fontsource/inter@5.2.8/files/inter-latin-700-normal.woff2') format('woff2')}
:root{--bg:#F7F9FC;--surface:#fff;--primary:#2563EB;--primary-hover:#1D4ED8;--accent:#14B8A6;--text:#111827;--muted:#667085;--border:#E5E7EB;--hover:#F1F5F9;--success:#16A34A;--warning:#F59E0B;--error:#DC2626;--shadow:0 12px 34px rgba(17,24,39,.07);--radius:14px;--max:1180px}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--bg);color:var(--text);font-family:Inter,Arial,Helvetica,sans-serif;font-size:16px;line-height:1.6}button,input{font:inherit}button,a{-webkit-tap-highlight-color:transparent}a{color:var(--primary);text-decoration:none}a:hover{text-decoration:underline}svg{display:block;width:100%;height:100%}.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}.skip-link{position:fixed;z-index:9999;left:16px;top:-80px;background:#111827;color:#fff;padding:10px 14px;border-radius:8px}.skip-link:focus{top:12px}.site-header{position:sticky;top:0;z-index:100;background:rgba(255,255,255,.96);border-bottom:1px solid var(--border);backdrop-filter:blur(10px)}.header-inner{max-width:var(--max);min-height:70px;margin:auto;padding:0 22px;display:flex;align-items:center;gap:24px}.brand{display:inline-flex;align-items:center;gap:10px;font-weight:800;color:var(--text);font-size:19px;white-space:nowrap}.brand:hover{text-decoration:none}.brand-mark{width:31px;height:31px;display:grid;place-items:center;border-radius:9px;background:var(--primary);color:#fff;padding:5px}.brand-mark svg{fill:currentColor}.main-nav{margin-left:auto;display:flex;align-items:center;gap:4px}.main-nav a{color:#344054;font-size:14px;font-weight:600;padding:10px 9px;border-radius:8px}.main-nav a:hover,.main-nav a[aria-current=page]{background:var(--hover);color:var(--primary);text-decoration:none}.menu-toggle{display:none;margin-left:auto;width:44px;height:44px;border:1px solid var(--border);background:#fff;border-radius:10px;padding:10px}.menu-toggle span:not(.sr-only){display:block;height:2px;background:#344054;margin:5px 0;border-radius:2px}.page-shell{max-width:var(--max);margin:auto;padding:0 22px}.breadcrumb{display:flex;gap:8px;align-items:center;flex-wrap:wrap;color:var(--muted);font-size:14px;padding:24px 0 4px}.breadcrumb a{color:#475467}.hero{text-align:center;max-width:900px;margin:22px auto 30px}.eyebrow,.section-kicker{display:inline-flex;align-items:center;min-height:28px;padding:3px 10px;background:#EFF6FF;color:var(--primary);border-radius:999px;font-size:13px;font-weight:800;letter-spacing:.02em}.hero h1{font-size:clamp(2rem,5vw,3rem);line-height:1.12;letter-spacing:-.035em;margin:12px 0 14px}.hero>p{font-size:18px;color:var(--muted);max-width:780px;margin:0 auto}.privacy-pill{display:inline-flex;align-items:center;gap:9px;margin-top:18px;background:#ECFDF5;color:#166534;border:1px solid #BBF7D0;border-radius:999px;padding:8px 13px;font-size:14px}.privacy-pill svg{width:20px;height:20px;fill:#16A34A}.tool-layout{display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:24px;align-items:start}.tool-card{background:var(--surface);border:1px solid var(--border);border-radius:18px;box-shadow:var(--shadow);overflow:hidden;min-height:460px}.drop-zone{margin:22px;border:2px dashed #BFDBFE;border-radius:16px;min-height:415px;padding:48px 24px;display:flex;align-items:center;justify-content:center;flex-direction:column;text-align:center;cursor:pointer;background:linear-gradient(180deg,#fff,#FAFCFF);transition:border-color .15s,background .15s,transform .15s}.drop-zone:hover,.drop-zone.is-dragover{border-color:var(--primary);background:#F8FBFF}.drop-zone:focus-visible,.btn:focus-visible,.icon-btn:focus-visible,.menu-toggle:focus-visible,summary:focus-visible,input:focus-visible,.related-card:focus-visible{outline:3px solid rgba(37,99,235,.28);outline-offset:2px}.pdf-icon{width:72px;height:72px;margin-bottom:8px}.pdf-icon svg{fill:#DBEAFE;stroke:var(--primary);stroke-width:2}.pdf-icon .paper-fold{fill:none}.pdf-icon .pdf-word{stroke:none;fill:var(--primary)}.drop-zone h2{font-size:27px;margin:8px 0 2px}.drop-zone>p{color:var(--muted);margin:2px 0 18px}.drop-zone .privacy-note{font-size:13px;margin:16px 0 0;color:#667085}.visually-hidden-file{position:absolute;opacity:0;pointer-events:none;width:1px;height:1px}.btn{border:0;border-radius:10px;min-height:44px;padding:10px 16px;font-weight:700;font-size:16px;display:inline-flex;align-items:center;justify-content:center;gap:8px;cursor:pointer;transition:background .15s,transform .08s,border-color .15s}.btn:hover{text-decoration:none}.btn:active{transform:translateY(1px)}.btn-primary{background:var(--primary);color:#fff}.btn-primary:hover{background:var(--primary-hover)}.btn-primary:disabled{background:#94A3B8;cursor:not-allowed;transform:none}.btn-secondary{background:#fff;color:#344054;border:1px solid #D0D5DD}.btn-secondary:hover{background:var(--hover)}.btn-ghost{background:transparent;color:#475467}.btn-ghost:hover{background:var(--hover)}.btn-lg{min-height:52px;padding:13px 24px;font-size:17px}.btn-xl{min-height:56px;padding:14px 26px;font-size:18px}.danger-text{color:#B42318}.workspace{padding:26px}.workspace-topbar{display:flex;justify-content:space-between;gap:16px;align-items:flex-start;margin-bottom:18px}.workspace-topbar h2{margin:0;font-size:24px}.totals{margin:3px 0 0;color:var(--muted)}.top-actions{display:flex;gap:8px;flex-wrap:wrap}.notice{padding:12px 14px;border-radius:10px;margin:0 0 16px;font-size:14px}.notice-warning{background:#FFFAEB;border:1px solid #FEDF89;color:#7A2E0E}.notice-error{background:#FEF3F2;border:1px solid #FECDCA;color:#912018}.file-list{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:10px}.file-card{position:relative;display:grid;grid-template-columns:34px 34px 78px minmax(0,1fr) auto;gap:12px;align-items:center;background:#fff;border:1px solid var(--border);border-radius:12px;padding:10px 12px;min-height:104px}.file-card.sortable-ghost{opacity:.5;background:#EFF6FF}.file-card.sortable-chosen{box-shadow:0 8px 20px rgba(37,99,235,.12)}.drag-handle{font-size:21px;letter-spacing:-5px;color:#98A2B3;cursor:grab;user-select:none}.sequence{display:grid;place-items:center;background:#F2F4F7;border-radius:50%;width:28px;height:28px;font-weight:800;font-size:13px;color:#344054}.thumb-wrap{width:72px;height:86px;background:#F8FAFC;border:1px solid var(--border);border-radius:7px;position:relative;overflow:hidden;display:grid;place-items:center}.thumb-canvas{width:100%;height:100%;object-fit:contain;background:#fff}.thumb-status{position:absolute;inset:0;display:grid;place-items:center;text-align:center;padding:5px;font-size:11px;color:var(--muted);background:#F8FAFC}.thumb-status.is-error{color:var(--error);background:#FEF3F2}.file-info{min-width:0}.file-name-row{display:flex;align-items:center;gap:8px;min-width:0}.file-name{font-size:15px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;max-width:100%}.file-badge{flex:0 0 auto;font-size:10px;font-weight:800;letter-spacing:.04em;color:#B42318;background:#FEF3F2;border-radius:5px;padding:2px 5px}.file-meta{display:flex;gap:7px;flex-wrap:wrap;color:var(--muted);font-size:13px;margin-top:5px}.file-error{color:var(--error);font-size:13px;margin-top:5px}.file-controls{display:flex;gap:4px}.icon-btn{width:40px;height:40px;border-radius:9px;border:1px solid var(--border);background:#fff;color:#475467;font-weight:800;font-size:18px;cursor:pointer}.icon-btn:hover:not(:disabled){background:var(--hover)}.icon-btn:disabled{opacity:.35;cursor:not-allowed}.remove-file{color:#B42318}.merge-settings{border-top:1px solid var(--border);margin-top:22px;padding-top:20px;max-width:520px}.merge-settings label{display:block;font-weight:700;margin-bottom:7px}.filename-control{display:flex;align-items:center;border:1px solid #D0D5DD;border-radius:10px;overflow:hidden;background:#fff}.filename-control:focus-within{box-shadow:0 0 0 3px rgba(37,99,235,.15);border-color:var(--primary)}.filename-control input{border:0;outline:0;flex:1;min-width:0;padding:11px 12px;color:var(--text)}.filename-control span{padding:11px 12px;background:#F9FAFB;border-left:1px solid var(--border);color:#667085}.field-help{font-size:13px;color:var(--muted);margin:5px 0 0}.merge-action-area{display:flex;align-items:center;justify-content:space-between;gap:18px;margin-top:22px;padding-top:20px;border-top:1px solid var(--border)}.eligibility-note{margin:0;color:var(--muted);font-size:14px}.processing,.result-panel{min-height:460px;padding:52px 26px;display:flex;align-items:center;justify-content:center;flex-direction:column;text-align:center}.spinner{width:52px;height:52px;border:5px solid #DBEAFE;border-top-color:var(--primary);border-radius:50%;animation:spin .8s linear infinite}.processing h2,.result-panel h2{font-size:28px;margin:18px 0 4px}.processing p,.result-panel>p{color:var(--muted);margin:0}.progress-track{width:min(560px,100%);height:12px;background:#E5E7EB;border-radius:99px;overflow:hidden;margin:24px 0 8px}.progress-track>div{height:100%;width:0;background:var(--primary);transition:width .25s ease}.processing-note{font-size:13px!important}.success-icon{width:68px;height:68px;border-radius:50%;background:#DCFCE7;padding:13px}.success-icon svg{fill:var(--success)}.result-stats{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));width:min(720px,100%);margin:25px 0;gap:8px}.result-stats>div{background:#F8FAFC;border:1px solid var(--border);border-radius:10px;padding:12px}.result-stats dt{font-size:12px;color:var(--muted)}.result-stats dd{margin:3px 0 0;font-weight:800;overflow-wrap:anywhere}.result-actions{display:flex;justify-content:center;gap:8px;flex-wrap:wrap}.sidebar-ad{position:sticky;top:94px}.ad-label{text-transform:uppercase;letter-spacing:.08em;font-size:10px;color:#98A2B3;text-align:center;margin-bottom:5px}.ad-slot{background:#F4F6F8;border:1px solid #EAECF0;display:grid;place-items:center;color:#98A2B3;font-size:12px}.ad-300x250{height:250px}.ad-band{margin:28px 0}.ad-desktop{width:min(728px,100%);height:90px;margin:auto}.ad-mobile{display:none;width:320px;max-width:100%;height:50px;margin:auto}.native-ad .ad-slot{min-height:90px}.content-section{margin:68px 0}.section-heading{text-align:center;max-width:800px;margin:0 auto 28px}.section-heading h2{font-size:clamp(1.75rem,3vw,2.15rem);line-height:1.25;letter-spacing:-.02em;margin:9px 0 8px}.section-heading p{color:var(--muted);margin:0}.steps-grid,.feature-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}.step-card,.feature-card{background:#fff;border:1px solid var(--border);border-radius:14px;padding:22px}.step-card>span{display:grid;place-items:center;width:36px;height:36px;border-radius:10px;background:#EFF6FF;color:var(--primary);font-weight:800}.step-card h3,.feature-card h3{font-size:18px;margin:13px 0 6px}.step-card p,.feature-card p{color:var(--muted);margin:0;font-size:15px}.feature-icon{width:42px;height:42px;border-radius:11px;background:#ECFDF5;color:#0F766E;display:grid;place-items:center;font-size:22px;font-weight:800}.article-grid{display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:36px}.article-grid article{background:#fff;border:1px solid var(--border);border-radius:14px;padding:30px}.article-grid article h2{font-size:25px;line-height:1.3;margin:30px 0 8px}.article-grid article h2:first-child{margin-top:0}.article-grid article p{color:#475467;margin:0 0 14px}.tip-card{background:#F0FDFA;border:1px solid #99F6E4;border-radius:14px;padding:20px}.tip-card h3{margin:0 0 9px}.tip-card ul{margin:0;padding-left:20px;color:#475467}.native-tall{height:250px;margin-bottom:20px}.article-aside>.ad-label{margin-top:24px}.platform-section{background:#fff;border:1px solid var(--border);border-radius:14px;padding:28px}.platform-section .section-heading{margin-bottom:10px}.platform-section>p{max-width:900px;margin:auto;color:#475467;text-align:center}.trouble-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}.trouble-grid article{background:#fff;border:1px solid var(--border);border-radius:12px;padding:20px}.trouble-grid h3{margin:0 0 6px;font-size:17px}.trouble-grid p{margin:0;color:var(--muted);font-size:14px}.faq-list{max-width:900px;margin:auto;display:grid;gap:9px}.faq-list details{background:#fff;border:1px solid var(--border);border-radius:11px;padding:0 18px}.faq-list summary{cursor:pointer;font-weight:700;list-style:none;padding:16px 34px 16px 0;position:relative}.faq-list summary::-webkit-details-marker{display:none}.faq-list summary:after{content:"+";position:absolute;right:2px;top:12px;font-size:24px;color:var(--primary)}.faq-list details[open] summary:after{content:"−"}.faq-list p{color:var(--muted);margin:0 0 17px}.related-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:12px}.related-card{display:flex;align-items:center;gap:12px;background:#fff;border:1px solid var(--border);border-radius:12px;padding:16px;color:var(--text)}.related-card:hover{border-color:#BFDBFE;box-shadow:0 8px 18px rgba(17,24,39,.05);text-decoration:none}.related-icon{width:40px;height:40px;border-radius:10px;display:grid;place-items:center;background:#EFF6FF;color:var(--primary);font-size:22px;font-weight:800;flex:0 0 auto}.related-card strong{display:block}.related-card small{display:block;color:var(--muted);line-height:1.4;margin-top:2px}.bottom-ad{margin-bottom:52px}.site-footer{background:#fff;border-top:1px solid var(--border);margin-top:40px}.footer-inner{max-width:var(--max);margin:auto;padding:36px 22px;display:flex;justify-content:space-between;gap:32px}.footer-inner>div{max-width:420px}.footer-inner p{color:var(--muted);margin:10px 0 0}.footer-inner nav{display:flex;gap:8px 18px;flex-wrap:wrap;align-content:flex-start}.footer-inner nav a{color:#475467;font-weight:600}.footer-bottom{text-align:center;border-top:1px solid var(--border);padding:14px 20px;color:var(--muted);font-size:13px}
@keyframes spin{to{transform:rotate(360deg)}}
@media (max-width:1040px){.main-nav{display:none;position:absolute;top:70px;left:0;right:0;background:#fff;border-bottom:1px solid var(--border);padding:12px 22px;box-shadow:0 15px 25px rgba(17,24,39,.08);flex-direction:column;align-items:stretch}.main-nav.is-open{display:flex}.main-nav a{padding:12px}.menu-toggle{display:block}.tool-layout{grid-template-columns:1fr}.sidebar-ad{display:none}.steps-grid,.feature-grid{grid-template-columns:repeat(2,1fr)}.article-grid{grid-template-columns:1fr}.article-aside{display:grid;grid-template-columns:1fr 1fr;gap:16px}.article-aside>.ad-label{display:none}.native-tall{height:200px;margin:0}.trouble-grid{grid-template-columns:repeat(2,1fr)}.related-grid{grid-template-columns:repeat(2,1fr)}}
@media (max-width:700px){body{font-size:16px}.header-inner,.page-shell{padding-left:16px;padding-right:16px}.header-inner{min-height:64px}.brand{font-size:17px}.main-nav{top:64px}.breadcrumb{padding-top:16px}.hero{margin-top:16px}.hero>p{font-size:16px}.privacy-pill{border-radius:12px;text-align:left}.tool-card{border-radius:14px}.drop-zone{margin:12px;min-height:390px;padding:36px 16px}.drop-zone h2{font-size:24px}.workspace{padding:16px}.workspace-topbar{flex-direction:column}.top-actions{width:100%}.top-actions .btn{flex:1}.file-card{grid-template-columns:24px 30px 62px minmax(0,1fr);gap:8px;padding:9px}.thumb-wrap{width:58px;height:72px}.file-controls{grid-column:3 / -1;justify-content:flex-end}.file-name{font-size:14px}.merge-action-area{position:sticky;bottom:0;z-index:10;background:#fff;margin-left:-16px;margin-right:-16px;margin-bottom:-16px;padding:13px 16px;box-shadow:0 -8px 20px rgba(17,24,39,.06);flex-direction:column;align-items:stretch}.merge-action-area .btn{width:100%}.eligibility-note{text-align:center}.result-stats{grid-template-columns:repeat(2,1fr)}.ad-desktop{display:none}.ad-mobile{display:grid}.content-section{margin:50px 0}.steps-grid,.feature-grid,.trouble-grid,.related-grid{grid-template-columns:1fr}.article-grid article{padding:22px}.article-aside{grid-template-columns:1fr}.platform-section{padding:22px}.footer-inner{flex-direction:column;padding:30px 16px}.processing,.result-panel{padding:42px 16px}.result-actions{width:100%}.result-actions .btn{width:100%}}
@media (max-width:380px){.brand-mark{width:28px;height:28px}.brand{font-size:16px}.hero h1{font-size:29px}.drop-zone{min-height:365px}.file-card{grid-template-columns:22px 28px 55px minmax(0,1fr)}.thumb-wrap{width:52px;height:67px}.file-meta span[aria-hidden=true]{display:none}.file-meta{gap:3px;flex-direction:column}.result-stats{grid-template-columns:1fr 1fr}}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*:before,*:after{animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important}}