:root{
  --paper:#FFFFFF;--tint:#F5F7FC;--ink:#17192B;--slate:#5D6377;
  --cobalt:#2743D6;--cobalt-deep:#1B2FA3;--sky:#E9EDFF;--lime:#C8F26A;--lime-deep:#8CC120;
  --line:#D9DDEA;--line-soft:#EBEEF6;--grid:#EEF0F7;--danger:#B3261E;
  --max:1140px;--r:14px;
  --head:"Sora",ui-sans-serif,system-ui,sans-serif;
  --body:"Public Sans",ui-sans-serif,system-ui,-apple-system,"Segoe UI",sans-serif;
}
*{box-sizing:border-box}
[hidden]{display:none!important}
html{scroll-behavior:smooth}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}*{transition:none!important}}
body{margin:0;font-family:var(--body);font-size:16.5px;line-height:1.6;color:var(--ink);background:var(--paper);-webkit-font-smoothing:antialiased}
img{max-width:100%;display:block;height:auto}
a{color:inherit;text-decoration:none}
button,input,select{font:inherit;color:inherit}
button{cursor:pointer}
h1,h2,h3{font-family:var(--head);font-weight:700;line-height:1.15;margin:0;letter-spacing:-.02em}
h1{font-size:clamp(2.2rem,5vw,3.5rem)}
h2{font-size:clamp(1.6rem,2.8vw,2.2rem)}
h3{font-size:1.15rem}
p{margin:0}
.wrap{width:min(100% - 40px,var(--max));margin-inline:auto}
.skip{position:absolute;left:-9999px}
.skip:focus{left:16px;top:16px;z-index:999;background:#fff;padding:10px 14px;outline:3px solid var(--lime)}
.sr-only{position:absolute!important;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;border:0}
:focus-visible{outline:3px solid var(--lime-deep);outline-offset:3px;border-radius:4px}

/* header: brand + underline nav + outlined CTA */
.site-header{background:var(--paper);border-bottom:1px solid var(--line);position:sticky;top:0;z-index:50}
.header-row{display:flex;align-items:center;gap:28px;min-height:70px}
.brand{display:inline-flex;align-items:center;gap:10px;font-family:var(--head);font-weight:700;font-size:1.2rem;margin-right:auto}
.brand img{width:36px;height:36px}
.nav{display:flex;align-items:center;gap:26px}
.nav a{font-weight:600;font-size:.95rem;color:var(--slate);padding:6px 0;border-bottom:2px solid transparent}
.nav a:hover{color:var(--ink);border-bottom-color:var(--lime-deep)}
.nav a.nav-cta{border:1.5px solid var(--ink);padding:9px 16px;border-radius:8px;color:var(--ink)}
.nav a.nav-cta:hover{background:var(--ink);color:#fff;border-bottom-color:var(--ink)}
.menu-btn{display:none;width:44px;height:44px;border:1px solid var(--line);border-radius:8px;background:#fff;align-items:center;justify-content:center}
.menu-btn svg{width:22px;height:22px}

/* buttons */
.btn{display:inline-flex;align-items:center;gap:8px;padding:12px 18px;border-radius:8px;font-weight:700;border:1.5px solid transparent;font-size:.98rem}
.btn svg{width:18px;height:18px;flex:0 0 auto}
.btn-primary{background:var(--cobalt);color:#fff;border-color:var(--cobalt)}
.btn-primary:hover{background:var(--cobalt-deep);border-color:var(--cobalt-deep)}
.btn-primary:disabled{opacity:.6;cursor:progress}
.btn-lime{background:var(--lime);color:var(--ink);border-color:var(--lime)}
.btn-lime:hover{background:#fff;border-color:var(--ink)}
.btn-outline{background:#fff;color:var(--ink);border-color:var(--line)}
.btn-outline:hover{border-color:var(--ink)}
.btn-text{display:inline-flex;align-items:center;gap:6px;background:none;border:0;padding:4px 0;font-weight:700;color:var(--cobalt)}
.btn-text:hover{text-decoration:underline;text-underline-offset:3px}
.btn-text svg{width:16px;height:16px}

/* hero: dark workspace */
.hero{padding:64px 0 72px;background-color:var(--ink);color:#fff;position:relative;overflow:hidden}
.hero::before{content:"";position:absolute;inset:0;background-image:radial-gradient(rgba(255,255,255,.14) 1px,transparent 1.5px);background-size:26px 26px;mask-image:linear-gradient(180deg,#000 0,transparent 85%);-webkit-mask-image:linear-gradient(180deg,#000 0,transparent 85%);pointer-events:none}
.hero::after{content:"";position:absolute;width:900px;height:900px;left:50%;top:-560px;transform:translateX(-50%);background:radial-gradient(closest-side,rgba(39,67,214,.7),transparent 70%);pointer-events:none}
.hero .wrap{position:relative;z-index:1}
.hero-copy{text-align:center;max-width:72ch;margin:0 auto 38px}
.hero-copy h1{color:#fff;margin-bottom:16px;font-size:clamp(2.6rem,6vw,4.4rem)}
.hero-copy p{color:#B9BED3;font-size:1.12rem;max-width:60ch;margin:0 auto}
.workspace{background:#fff;color:var(--ink);border-radius:18px;box-shadow:0 40px 90px -40px rgba(0,0,0,.7),0 0 0 1px rgba(255,255,255,.08);overflow:hidden}
.ws-bar{display:flex;align-items:center;gap:8px;padding:12px 16px;border-bottom:1px solid var(--line);background:var(--tint)}
.ws-dot{width:10px;height:10px;border-radius:50%;background:var(--line)}
.ws-dot:nth-child(1){background:#F26B6B}.ws-dot:nth-child(2){background:#F5C451}.ws-dot:nth-child(3){background:var(--lime-deep)}
.ws-title{margin-left:8px;font-weight:700;font-size:.9rem;color:var(--slate)}
.ws-status{margin-left:auto;font-size:.8rem;font-weight:700;padding:4px 10px;border-radius:999px;background:#fff;border:1px solid var(--line);color:var(--slate)}
.ws-status.ready{background:var(--sky);color:var(--cobalt);border-color:transparent}
.ws-status.busy{background:#FFF4E5;color:#B45309;border-color:transparent}
.ws-status.done{background:var(--lime);color:var(--ink);border-color:transparent}
.ws-status.error{background:#FBE8E6;color:var(--danger);border-color:transparent}
.drop-zone{margin:18px;border:2px dashed var(--line);border-radius:14px;padding:44px 24px 40px;text-align:center;cursor:pointer;background:linear-gradient(180deg,#fff,var(--tint))}
.drop-zone:hover,.drop-zone.over{border-color:var(--cobalt);background:var(--sky)}
.drop-zone h2{font-size:1.5rem;margin-bottom:6px}
.drop-zone p{color:var(--slate);margin-bottom:20px;font-size:.95rem}
.drop-art{display:flex;align-items:center;justify-content:center;gap:14px;margin-bottom:22px}
.da-sheet{width:64px;height:78px;border-radius:8px;background:#fff;border:1.5px solid var(--line);display:grid;grid-template-rows:14px 1fr 1fr 1fr;overflow:hidden;box-shadow:0 10px 24px -14px rgba(23,25,43,.5)}
.da-sheet::before{content:"";background:var(--lime)}
.da-sheet i{border-top:1px solid var(--line);display:block;background:repeating-linear-gradient(90deg,transparent 0 20px,var(--line) 20px 21px)}
.da-arrow{width:34px;height:34px;border-radius:50%;background:var(--ink);color:var(--lime);display:grid;place-items:center}
.da-arrow svg{width:18px;height:18px}
.da-pdf{width:64px;height:78px;border-radius:8px;background:var(--cobalt);color:#fff;display:grid;place-items:center;font-family:var(--head);font-weight:700;font-size:.9rem;box-shadow:0 10px 24px -14px rgba(39,67,214,.7)}
.ws-panes{display:grid;grid-template-columns:300px 1fr;min-height:420px}
.ws-side{border-right:1px solid var(--line);background:var(--tint);padding:18px;display:flex;flex-direction:column;gap:12px}
.ws-side-head{display:flex;align-items:center;justify-content:space-between}
.ws-side-head strong{font-family:var(--head);font-size:1rem}
.ws-side .file-list{max-height:none;flex:1;align-content:start}
.file-row{grid-template-columns:auto 1fr auto;background:#fff}
.file-actions{gap:3px}
.ws-main{display:grid;grid-template-columns:1fr 240px;gap:0}
.ws-settings{padding:22px 24px;display:grid;gap:18px;align-content:start}
.ws-group{display:grid;gap:8px}
.ws-label{font-size:.8rem;font-weight:800;color:var(--slate)}
.seg{display:inline-flex;flex-wrap:wrap;gap:6px}
.seg-item input{position:absolute;opacity:0;width:0;height:0}
.seg-item span{display:inline-block;padding:8px 14px;border-radius:999px;border:1px solid var(--line);font-size:.9rem;font-weight:600;cursor:pointer;background:#fff;transition:background .15s,border-color .15s,color .15s}
.seg-item input:checked+span{background:var(--ink);color:#fff;border-color:var(--ink)}
.seg-item input:focus-visible+span{outline:3px solid var(--lime-deep);outline-offset:2px}
.switches{display:flex;gap:22px;flex-wrap:wrap;padding-top:4px}
.switch{display:inline-flex;align-items:center;gap:10px;cursor:pointer;font-weight:600;font-size:.92rem}
.switch input{position:absolute;opacity:0;width:0;height:0}
.switch .track{width:40px;height:22px;border-radius:11px;background:var(--line);position:relative;transition:background .15s}
.switch .track::after{content:"";position:absolute;top:3px;left:3px;width:16px;height:16px;border-radius:50%;background:#fff;transition:left .15s}
.switch input:checked+.track{background:var(--cobalt)}
.switch input:checked+.track::after{left:21px}
.switch input:focus-visible+.track{outline:3px solid var(--lime-deep);outline-offset:2px}
.ws-preview{border-left:1px solid var(--line);background:var(--tint);padding:22px;display:flex;flex-direction:column;align-items:center;gap:12px;text-align:center}
.preview-page{display:grid;place-items:center;min-height:160px}
.preview-page svg{filter:drop-shadow(0 10px 18px rgba(23,25,43,.18))}
.ws-preview p{font-size:.82rem;color:var(--slate);font-weight:600}
.ws-preview .btn{width:100%;justify-content:center;margin-top:auto}
.ws-preview small{color:var(--slate);font-size:.78rem}
.notice{margin:0 18px 18px}
.progress,.results{padding:0 18px 18px;margin-top:0}
.results{border-top:1px solid var(--line);padding-top:18px}
.progress{margin-top:0}
.setup-head{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:12px;flex-wrap:wrap}
.setup-head strong{font-family:var(--head);font-size:1.15rem}
.setup-head .tools{display:flex;gap:6px}
.file-list,.result-list{list-style:none;margin:0;padding:0;display:grid;gap:6px;max-height:260px;overflow:auto}
.file-row,.result-row{display:grid;grid-template-columns:auto 1fr auto;align-items:center;gap:12px;padding:8px 10px;border:1px solid var(--line-soft);border-radius:8px;background:var(--tint)}
.file-badge{font-size:.72rem;font-weight:800;background:var(--ink);color:#fff;padding:5px 7px;border-radius:5px;min-width:44px;text-align:center}
.file-badge.pdf{background:var(--cobalt)}
.file-copy{min-width:0;display:grid}
.file-copy strong{white-space:nowrap;overflow:hidden;text-overflow:ellipsis;font-weight:700}
.file-copy small{color:var(--slate);font-size:.82rem}
.file-actions{display:flex;gap:4px}
.icon-btn{width:32px;height:32px;border-radius:6px;border:1px solid var(--line);background:#fff;display:grid;place-items:center}
.icon-btn:hover{border-color:var(--cobalt);color:var(--cobalt)}
.icon-btn:disabled{opacity:.35;cursor:not-allowed}
.icon-btn svg{width:16px;height:16px}
.settings{margin-top:18px;display:grid;grid-template-columns:repeat(4,1fr);gap:12px 14px}
.control{display:grid;gap:5px}
.control label{font-size:.85rem;font-weight:700;color:var(--slate)}
.control select{padding:10px 11px;border-radius:8px;border:1px solid var(--line);background:#fff;width:100%}
.control.check{display:flex;align-items:center;gap:10px;align-self:end;padding:10px 0}
.control.check input{width:18px;height:18px;accent-color:var(--cobalt)}
.control.check label{color:var(--ink)}
.convert-row{margin-top:18px;display:flex;align-items:center;justify-content:space-between;gap:14px;flex-wrap:wrap}
.convert-row p{font-size:.9rem;color:var(--slate);max-width:44ch}
.notice{margin-top:12px;padding:12px 14px;border-radius:8px;background:#FBE8E6;color:var(--danger);font-size:.92rem;font-weight:600}
.progress{margin-top:18px}
.progress-head{display:flex;justify-content:space-between;align-items:baseline;gap:12px;margin-bottom:8px}
.progress-head p{color:var(--slate);font-size:.92rem}
.progress-head strong{font-family:var(--head);font-size:1.2rem}
.progress-track{height:8px;border-radius:4px;background:var(--line-soft);overflow:hidden}
.progress-track span{display:block;height:100%;width:0;background:var(--cobalt);transition:width .25s}
.results{margin-top:20px;padding-top:20px;border-top:1px solid var(--line)}
.results-head{display:flex;justify-content:space-between;align-items:flex-start;gap:14px;flex-wrap:wrap;margin-bottom:12px}
.results-head h2{font-size:1.4rem}
.results-head p{color:var(--slate);font-size:.92rem;margin-top:4px}
.download-link{display:inline-flex;align-items:center;gap:6px;padding:8px 13px;border-radius:6px;background:var(--cobalt);color:#fff;font-weight:700;font-size:.9rem}
.download-link:hover{background:var(--cobalt-deep)}
.download-link svg{width:16px;height:16px}
.start-over{margin-top:14px}

/* sections */
.section{padding:72px 0}
.section.tint{background:var(--tint)}
.section-head{margin-bottom:34px;max-width:64ch}
.section-head p{color:var(--slate);margin-top:10px;font-size:1.05rem}
.section-head.row{max-width:none;display:flex;justify-content:space-between;align-items:flex-end;gap:24px;flex-wrap:wrap}
.section-head.row p{max-width:50ch}

/* steps: horizontal connected stepper */
.stepper{display:grid;grid-template-columns:repeat(3,1fr);gap:0;position:relative}
.stepper::before{content:"";position:absolute;left:24px;right:24px;top:24px;height:2px;background:var(--line)}
.step{position:relative;padding:0 24px 0 0}
.step b{position:relative;display:grid;place-items:center;width:48px;height:48px;border-radius:50%;background:var(--lime);color:var(--ink);font-family:var(--head);font-weight:700;font-size:1.1rem;margin-bottom:18px;border:4px solid #fff}
.step h3{margin-bottom:6px}
.step p{color:var(--slate);font-size:.98rem;max-width:34ch}

/* bento features */
.bento{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.bento article{border:1px solid var(--line);border-radius:12px;padding:24px;background:#fff}
.bento article.big{grid-column:span 2;background:var(--ink);color:#fff;border-color:var(--ink)}
.bento article.big p{color:#B9BED3}
.bento article.lime{background:var(--lime);border-color:var(--lime)}
.bento .mark{width:40px;height:40px;border-radius:10px;background:var(--sky);color:var(--cobalt);display:grid;place-items:center;margin-bottom:16px}
.bento .big .mark{background:rgba(255,255,255,.12);color:var(--lime)}
.bento .lime .mark{background:rgba(23,25,43,.1);color:var(--ink)}
.bento .mark svg{width:22px;height:22px}
.bento h3{margin-bottom:6px}
.bento p{color:var(--slate);font-size:.98rem}

/* guides ledger table */
.ledger{width:100%;border-collapse:collapse;border:1px solid var(--line);background:#fff;font-size:.98rem}
.ledger th,.ledger td{padding:14px 16px;border-bottom:1px solid var(--line);text-align:left;vertical-align:top}
.ledger th{background:var(--tint);font-size:.82rem;color:var(--slate);font-weight:700}
.ledger td:first-child,.ledger th:first-child{width:56px;color:var(--slate);border-right:1px solid var(--line);background:var(--tint);font-weight:700}
.ledger td.title a{font-family:var(--head);font-weight:700;font-size:1.05rem}
.ledger td.title a:hover{color:var(--cobalt)}
.ledger td.title p{color:var(--slate);font-size:.92rem;margin-top:4px}
.ledger td.cat{white-space:nowrap;width:170px}
.ledger tr:hover td{background:var(--sky)}
.ledger tr:hover td:first-child{background:var(--sky)}
.cat-tag{display:inline-block;font-size:.78rem;font-weight:800;color:var(--cobalt);background:var(--sky);padding:3px 9px;border-radius:5px}

/* article cards */
.post-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.post-card{border:1px solid var(--line);border-radius:12px;overflow:hidden;background:#fff;display:flex;flex-direction:column}
.post-card img{aspect-ratio:16/9;object-fit:cover;width:100%}
.post-card .body{padding:18px 20px 22px;display:grid;gap:8px;align-content:start;border-top:4px solid var(--lime)}
.post-card h3{font-size:1.1rem;line-height:1.3}
.post-card h3 a:hover{color:var(--cobalt)}
.post-card p{color:var(--slate);font-size:.94rem}
.meta{display:flex;gap:14px;flex-wrap:wrap;font-size:.85rem;color:var(--slate)}
.blog-list{display:grid;gap:18px}
.blog-list .post-card{display:grid;grid-template-columns:320px 1fr}
.blog-list .post-card img{height:100%;aspect-ratio:auto;min-height:200px}
.blog-list .post-card .body{border-top:0;border-left:4px solid var(--lime);padding:24px 28px}
.blog-list .post-card h3{font-size:1.35rem}

/* FAQ: two-column open Q&A grid */
.qa{display:grid;grid-template-columns:1fr 1fr;gap:0;border:1px solid var(--line);background:#fff}
.qa div{padding:22px 24px;border-bottom:1px solid var(--line)}
.qa div:nth-child(odd){border-right:1px solid var(--line)}
.qa h3{font-size:1.02rem;margin-bottom:8px}
.qa h3::before{content:"Q";display:inline-grid;place-items:center;width:22px;height:22px;border-radius:5px;background:var(--lime);font-size:.75rem;margin-right:8px;vertical-align:2px}
.qa p{color:var(--slate);font-size:.95rem}

/* CTA */
.cta{background:var(--cobalt);color:#fff;border-radius:12px;padding:40px 44px;display:flex;justify-content:space-between;align-items:center;gap:24px;flex-wrap:wrap}
.cta h2{color:#fff}
.cta p{color:#C9D2FF;margin-top:6px}

/* inner pages */
.page-head{padding:48px 0 30px;background:var(--tint);border-bottom:1px solid var(--line)}
.page-head .crumbs{font-size:.88rem;color:var(--slate);margin-bottom:12px}
.page-head h1{max-width:22ch;margin-bottom:12px}
.page-head p{color:var(--slate);font-size:1.08rem;max-width:62ch}
.page-head .meta{margin-top:16px}
.pager{display:flex;justify-content:center;gap:8px;margin-top:36px}
.pager a,.pager span{min-width:42px;height:42px;padding:0 14px;display:inline-flex;align-items:center;justify-content:center;border-radius:8px;border:1px solid var(--line);font-weight:700}
.pager a:hover{border-color:var(--ink)}
.pager .current{background:var(--ink);color:#fff;border-color:var(--ink)}
.pager .disabled{opacity:.4}

/* article: image, inline numbered TOC, single column */
.article-hero{margin:34px auto 0;border-radius:12px;overflow:hidden;border:1px solid var(--line);max-width:860px}
.article-body{max-width:760px;margin:0 auto;padding:36px 0 72px}
.toc{border:1px solid var(--line);border-left:4px solid var(--lime);background:var(--tint);padding:18px 22px;margin-bottom:34px;border-radius:0 10px 10px 0}
.toc h2{font-size:1rem;margin-bottom:10px}
.toc ol{margin:0;padding-left:20px;columns:2;column-gap:28px;font-size:.93rem}
.toc li{margin-bottom:5px;break-inside:avoid}
.toc a{color:var(--slate)}
.toc a:hover{color:var(--cobalt)}
.toc .toc-tool{display:inline-block;margin-top:10px;font-weight:800;color:var(--cobalt)}
.prose h2{font-size:1.55rem;margin:36px 0 12px}
.prose h2:first-child{margin-top:0}
.prose p{margin-bottom:16px}
.prose a{color:var(--cobalt);text-decoration:underline;text-underline-offset:3px}
.prose .email{font-family:var(--head);font-size:1.5rem;color:var(--cobalt)}
.related{background:var(--tint);padding:60px 0;border-top:1px solid var(--line)}
.related .post-card p{display:none}
.not-found{padding:100px 0;text-align:center}
.not-found b{font-family:var(--head);font-size:clamp(5rem,14vw,9rem);color:var(--cobalt);line-height:1;display:block}
.not-found p{color:var(--slate);margin:12px 0 26px}
.actions{display:flex;gap:12px;justify-content:center;flex-wrap:wrap}

/* footer: light */
.site-footer{border-top:1px solid var(--line);padding:52px 0 26px;background:#fff}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:32px;padding-bottom:32px;border-bottom:1px solid var(--line)}
.footer-brand .brand{margin-bottom:10px}
.footer-brand p{color:var(--slate);max-width:36ch;font-size:.95rem}
.site-footer h3{font-size:.95rem;margin-bottom:12px;font-family:var(--body);font-weight:800}
.footer-links{display:grid;gap:8px;font-size:.95rem;color:var(--slate)}
.footer-links a:hover{color:var(--cobalt)}
.footer-bottom{padding-top:20px;text-align:center;font-size:.9rem;color:var(--slate)}
.footer-bottom a{color:var(--ink);font-weight:700}

@media (max-width:980px){
  .ws-panes{grid-template-columns:1fr}
  .ws-side{border-right:0;border-bottom:1px solid var(--line)}
  .ws-main{grid-template-columns:1fr}
  .ws-preview{border-left:0;border-top:1px solid var(--line)}
  .stepper{grid-template-columns:1fr;gap:26px}
  .stepper::before{display:none}
  .bento{grid-template-columns:1fr 1fr}
  .bento article.big{grid-column:span 2}
  .settings{grid-template-columns:1fr 1fr}
  .post-grid{grid-template-columns:1fr 1fr}
  .qa{grid-template-columns:1fr}
  .qa div:nth-child(odd){border-right:0}
  .footer-grid{grid-template-columns:1fr 1fr}
  .blog-list .post-card{grid-template-columns:1fr}
  .ledger td.cat{display:none}
}
@media (max-width:720px){
  .menu-btn{display:grid}
  .nav{display:none;position:absolute;top:70px;left:0;right:0;background:#fff;border-bottom:1px solid var(--line);flex-direction:column;align-items:stretch;padding:12px 20px 18px;gap:6px}
  .nav.open{display:flex}
  .nav a.nav-cta{text-align:center;margin-top:8px}
  .section{padding:52px 0}
  .drop-zone{margin:12px;padding:32px 16px}
  .ws-settings{padding:16px}
  .settings{grid-template-columns:1fr}
  .bento{grid-template-columns:1fr}
  .bento article.big{grid-column:auto}
  .post-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr}
  .toc ol{columns:1}
  .cta{padding:28px 22px}
  .ledger th:nth-child(4),.ledger td:nth-child(4){display:none}
}