:root{color-scheme:light;--bg:#fafbf9;--surface:#fff;--ink:#202b32;--muted:#58636b;--blue:#254f82;--blue-hover:#193c67;--tint:#edf2f6;--line:#dce1e2;--error:#a42c30;--radius:6px;font-family:"Segoe UI",Arial,sans-serif;font-synthesis:none}
*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:100px}body{margin:0;background:var(--bg);color:var(--ink);font-size:17px;line-height:1.65}a{color:inherit;text-decoration:none}button,input,textarea{font:inherit}button,a,input,textarea,summary{-webkit-tap-highlight-color:transparent}button,summary{cursor:pointer}button{color:inherit}a,button{touch-action:manipulation}button:disabled{cursor:wait}img{display:block;width:100%;height:auto}p{margin:0 0 20px}h1,h2,h3{margin:0;font-weight:500}h1,h2{font-family:Georgia,"Times New Roman",serif;letter-spacing:-.045em;line-height:1.12;text-wrap:balance}h1{font-size:clamp(48px,5.1vw,74px)}h2{font-size:clamp(34px,3.1vw,46px)}h3{font-size:21px;font-weight:600;line-height:1.4}a,button,summary{transition:background-color .18s,color .18s,border-color .18s}a:hover{color:var(--blue)}:focus-visible{outline:3px solid var(--blue);outline-offset:5px}::selection{background:#dce8f4}button:disabled{opacity:.65}[hidden]{display:none!important}.container{width:min(1200px,calc(100% - 112px));margin-inline:auto}.site-header{border-bottom:1px solid var(--line);background:var(--bg)}.header-inner{height:88px;display:flex;align-items:center;justify-content:space-between;gap:32px}.wordmark{font-family:Georgia,serif;font-weight:700;font-size:35px;letter-spacing:-2px;display:inline-flex;align-items:baseline;line-height:1;white-space:nowrap}.wordmark-dot{color:var(--blue)}.wordmark-sub{font-family:"Segoe UI",Arial,sans-serif;font-size:9px;font-weight:600;letter-spacing:2px;margin-left:11px}.main-nav,.header-actions{display:flex;align-items:center;gap:30px}.main-nav{font-size:15px}.header-actions{gap:24px}.language-switch{display:flex;align-items:center;gap:1px;font-size:13px}.language-switch button{border:0;background:none;min-width:38px;min-height:44px;font-weight:600;color:var(--muted);padding:8px}.language-switch button[aria-pressed=true]{color:var(--blue);text-decoration:underline;text-underline-offset:6px;text-decoration-thickness:2px}.language-switch>span{color:#a4adb3}.button{display:inline-flex;justify-content:center;align-items:center;gap:32px;background:var(--blue);border:1px solid var(--blue);border-radius:var(--radius);color:white;font-size:16px;font-weight:600;line-height:1.4;min-height:56px;padding:16px 25px;white-space:nowrap}.button:hover{background:var(--blue-hover);border-color:var(--blue-hover);color:white}.button span[aria-hidden]{font-size:22px;font-weight:400;line-height:1}.button-small{min-height:44px;padding:10px 18px;font-size:14px;gap:18px}.text-link{display:inline-flex;align-items:center;gap:18px;min-height:44px;color:var(--blue);font-size:15px;font-weight:600}.text-link:hover{text-decoration:underline;text-underline-offset:5px}.hero{display:grid;grid-template-columns:1.05fr 1fr;gap:68px;align-items:center;padding-block:76px 70px}.eyebrow{font-size:12px;font-weight:600;letter-spacing:.12em;text-transform:uppercase;color:var(--blue);margin-bottom:24px}.hero h1{max-width:580px}.hero-description{font-size:18px;line-height:1.8;color:var(--muted);max-width:490px;margin:26px 0 30px}.hero-actions{display:flex;align-items:center;gap:26px}.hero-photo{margin:0}.hero-photo img{aspect-ratio:1.18;object-fit:cover;border-radius:2px}.reassurance{border-top:1px solid var(--line);border-bottom:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;padding-block:23px;color:var(--muted);font-size:14px}.reassurance p{margin:0;display:flex;align-items:center;gap:12px}.reassurance p::before{content:"✓";color:var(--blue);font-size:16px}.section{padding-block:100px}.how-section{display:grid;grid-template-columns:1fr 1fr;gap:100px}.section-intro>p{color:var(--muted);margin:25px 0 16px;max-width:390px}.steps{list-style:none;margin:0;padding:0}.steps li{display:flex;gap:24px;padding:26px 0;border-bottom:1px solid var(--line)}.steps li:first-child{padding-top:0}.steps li:last-child{padding-bottom:0;border-bottom:0}.step-number{display:inline-flex;align-items:center;justify-content:center;flex-shrink:0;width:32px;height:32px;border:1px solid #bdcad7;border-radius:50%;font-size:14px;color:var(--blue);font-family:"Segoe UI",Arial,sans-serif;letter-spacing:0}.steps p{color:var(--muted);font-size:16px;line-height:1.75;margin:9px 0 0;max-width:430px}.tutorial-section{background:var(--tint);padding-block:80px}.tutorial-layout{display:grid;grid-template-columns:1fr 1fr;align-items:center;gap:100px}.tutorial-layout>div>p:not(.eyebrow){max-width:390px;color:var(--muted);margin-top:25px}.example{background:var(--surface);border-radius:var(--radius);border:1px solid #d3dce3}.example-switch{display:flex;gap:8px;border-bottom:1px solid var(--line);padding:12px}.example-switch button{flex:1;background:transparent;border:1px solid transparent;border-radius:4px;padding:11px 10px;font-size:14px;min-height:44px}.example-switch button[aria-pressed=true]{background:var(--tint);color:var(--blue);font-weight:600;border-color:#cfdae6}.example-content{padding:32px;min-height:270px}.example-label{font-size:10px;font-weight:600;letter-spacing:.12em;color:var(--muted);margin-bottom:15px}.example h3{font-family:Georgia,serif;font-size:27px;font-weight:400}.example-question{font-family:Georgia,serif;font-size:18px;margin:18px 0}.example-payload{border-left:2px solid var(--blue);padding-left:15px;margin-top:25px}.example-payload p{color:var(--blue);font-size:14px;margin:8px 0 0}.example-caption{margin:0;padding:18px 32px;border-top:1px solid var(--line);color:var(--muted);font-size:12px;line-height:1.65}.faq-section{display:grid;grid-template-columns:1fr 1.25fr;gap:80px}.faq-list details{border-bottom:1px solid var(--line)}summary{list-style:none;position:relative;padding:21px 36px 21px 0;font-size:16px;font-weight:600}summary::-webkit-details-marker{display:none}summary::after{content:"+";position:absolute;right:3px;top:17px;font-size:24px;font-weight:400;color:var(--blue)}details[open]>summary::after{content:"−"}.faq-list details:first-child summary{padding-top:0}.faq-list details:first-child summary::after{top:-5px}.faq-list p{font-size:15px;color:var(--muted);line-height:1.8;padding-right:24px}.final-cta{border-top:1px solid var(--line);text-align:center;padding-block:72px 88px}.final-cta p{color:var(--muted);margin:20px 0 28px}.site-footer{display:flex;align-items:center;justify-content:space-between;gap:24px;border-top:1px solid var(--line);padding-block:32px}.site-footer .wordmark{font-size:29px}.site-footer p,.site-footer>a:last-child{margin:0;font-size:13px;color:var(--muted)}.site-footer>a:last-child:hover{color:var(--blue)}.skip-link{position:fixed;left:16px;top:-100px;padding:12px 20px;z-index:10;background:white;border:2px solid var(--blue)}.skip-link:focus{top:16px}.sr-only{position:absolute;clip-path:inset(50%);width:1px;height:1px;overflow:hidden;white-space:nowrap}.back-home{font-size:15px;display:flex;align-items:center;gap:10px;min-height:44px}.tool-main{max-width:1050px;padding-block:55px 80px}.tool-heading{margin-bottom:40px}.tool-heading .eyebrow{margin-bottom:18px}.tool-heading h1{font-size:48px}.tool-heading>p:last-child{color:var(--muted);margin:18px 0 0}.workspace{display:grid;grid-template-columns:minmax(0,650px) minmax(240px,1fr);align-items:start;gap:55px}form{min-width:0}fieldset{padding:0;border:0;margin:0;min-width:0}.form-section{margin-bottom:28px}.form-section h2{display:flex;align-items:center;gap:13px;font-family:"Segoe UI",Arial,sans-serif;font-size:20px;font-weight:600;letter-spacing:-.02em;margin-bottom:18px}.drop-zone{position:relative;border:1.5px dashed #8d9dab;border-radius:var(--radius);background:#fff;display:flex;align-items:center;flex-direction:column;text-align:center;padding:23px;transition:background .15s,border-color .15s}.drop-zone:hover,.drop-zone.dragging{border-color:var(--blue);background:var(--tint)}.drop-zone:focus-within{outline:3px solid var(--blue);outline-offset:4px}.drop-zone input{position:absolute;inset:0;width:100%;height:100%;opacity:0;cursor:pointer}.drop-zone strong{font-size:17px;color:var(--blue);font-weight:600;overflow-wrap:anywhere;max-width:100%}.drop-zone>span:not(.file-symbol){font-size:14px;color:var(--muted)}.drop-zone .file-types{margin-top:13px;font-size:12px!important}.file-symbol{font-size:27px;color:var(--blue);line-height:1;border-bottom:1px solid var(--blue);margin-bottom:15px;padding-inline:5px}.file-controls{display:flex;justify-content:space-between;align-items:center;gap:16px;margin-top:5px;font-size:13px;color:var(--muted)}.text-button{border:0;background:transparent;padding:8px 0;min-height:44px;color:var(--blue);font-weight:600;font-size:13px;text-decoration:underline;text-underline-offset:4px}.field-hint{color:var(--muted);font-size:14px;margin:-5px 0 13px}textarea{display:block;width:100%;background:#fff;border:1px solid #8d9dab;border-radius:var(--radius);padding:16px;font-size:16px;color:var(--ink);line-height:1.7;resize:vertical;min-height:145px}textarea::placeholder{color:#68757f;opacity:1}textarea[aria-invalid=true],.drop-zone:has([aria-invalid=true]){border-color:var(--error)}.textarea-footer{display:flex;justify-content:space-between;align-items:center;gap:16px;color:var(--muted);font-size:12px}.field-error{color:var(--error);font-size:14px;margin:10px 0 0}.options{border-block:1px solid var(--line);padding:0 2px}.options>summary{font-size:14px;padding-block:17px}.options>summary::after{top:12px}.check-row{display:flex;align-items:start;gap:10px;font-size:14px;padding:8px 0;cursor:pointer}.check-row input{width:18px;height:18px;flex-shrink:0;accent-color:var(--blue);margin-top:3px}.payload-details{margin-bottom:12px}.payload-details>summary{font-size:13px;padding-block:12px;font-weight:400;color:var(--blue)}.payload-details>summary::after{top:6px}pre{font-family:inherit;font-size:13px;background:var(--tint);padding:16px;white-space:pre-wrap;overflow-wrap:anywhere;border-radius:var(--radius);max-height:260px;overflow:auto}.submit-area{padding-top:25px}.button-wide{width:100%;gap:20px}.submit-area>p{font-size:12px;text-align:center;color:var(--muted);margin:10px 0 0}.aside-note{background:var(--tint);padding:27px;border-radius:var(--radius)}.note-mark{display:inline-flex;border:1px solid var(--blue);border-radius:50%;width:22px;height:22px;align-items:center;justify-content:center;color:var(--blue);font:italic 16px Georgia,serif;margin-bottom:20px}.aside-note h2{font-family:"Segoe UI",Arial,sans-serif;font-size:18px;letter-spacing:0;font-weight:600;margin-bottom:16px}.aside-note p{font-size:14px;color:var(--muted);line-height:1.8;margin-bottom:16px}.aside-note blockquote{font-family:Georgia,serif;font-size:18px;line-height:1.65;margin:24px 0;color:var(--blue)}.aside-note .text-link{font-size:13px}.privacy-note{padding:26px 0}.privacy-note h3{font-size:14px;margin-bottom:8px}.privacy-note p{font-size:13px;color:var(--muted);line-height:1.8;margin:0}.process-status{margin-top:20px;border-left:3px solid var(--blue);padding:16px;background:var(--tint);font-size:15px;overflow-wrap:anywhere}.process-status.error{border-color:var(--error);color:var(--error);background:#fcf0ef}.download-result{padding:8px 0}.download-result p{font-size:14px;color:var(--muted);margin:8px 0 0}.noscript{padding:20px;background:var(--tint);text-align:center}
@media(min-width:1400px){.hero{gap:85px}.hero-photo img{aspect-ratio:1.2}.header-inner{height:80px}}
@media(max-width:1100px){.container{width:calc(100% - 72px)}.main-nav{gap:20px}.header-actions{gap:16px}.hero{gap:36px;padding-block:60px}.hero-actions{gap:18px;flex-wrap:wrap}.hero h1{font-size:59px}.how-section,.tutorial-layout{gap:55px}.workspace{gap:32px}.wordmark-sub{display:none}.faq-section{gap:50px}.section{padding-block:80px}}
@media(max-width:800px){.container{width:calc(100% - 40px)}.header-inner{height:74px;gap:18px}.main-nav{display:none}.header-actions{gap:12px}.hero{grid-template-columns:1fr;padding-block:46px 36px;gap:34px}.hero-copy{max-width:600px}.hero h1{font-size:clamp(44px,8.2vw,64px);max-width:520px}.hero-description{font-size:17px;margin-block:22px 26px}.hero-photo img{aspect-ratio:1.8;max-height:360px}.eyebrow{font-size:10px;margin-bottom:18px}.hero-actions{gap:24px}.reassurance{flex-wrap:wrap;justify-content:flex-start;gap:12px 28px;padding-block:20px;font-size:12px}.reassurance p{gap:8px}.how-section,.tutorial-layout,.faq-section,.workspace{grid-template-columns:1fr;gap:35px}.section{padding-block:60px}.section-intro>p,.tutorial-layout>div>p:not(.eyebrow){max-width:580px}.how-section .section-intro .text-link{display:none}.steps li{padding-block:24px}.steps p{max-width:none}.tutorial-section{padding-block:50px}.example-content{min-height:240px}.faq-list details:first-child summary{padding-top:20px}.faq-list details:first-child summary::after{top:15px}.final-cta{padding-block:55px}.site-footer{flex-wrap:wrap;padding-block:25px;gap:18px}.site-footer p{order:3;width:100%}.tool-main{padding-block:35px 55px}.tool-heading h1{font-size:40px}.tool-heading{margin-bottom:32px}.workspace-aside{display:grid;grid-template-columns:1.3fr 1fr;gap:25px}.privacy-note{padding-top:5px}.tool-heading>p:last-child{font-size:16px}}
@media(max-width:480px){.wordmark{font-size:30px}.header-cta{display:none}.header-actions{gap:14px}.language-switch button{min-width:36px}.hero h1{font-size:48px;max-width:350px}.hero-actions{gap:10px 20px}.button{padding:14px 20px;min-height:52px}.hero-actions .text-link{font-size:14px;gap:10px}.hero-photo img{aspect-ratio:1.45}.hero-description{line-height:1.75}.reassurance{gap:11px;font-size:12px}.reassurance p{width:100%}.how-section{gap:32px}h2{font-size:35px}.steps{padding-top:5px}.steps li{gap:17px}.steps h3{font-size:19px}.steps p{font-size:15px}.example-content{padding:24px;min-height:235px}.example-switch{padding:8px;gap:3px}.example-switch button{font-size:12px;padding-inline:7px}.example-caption{padding:16px 24px}.faq-section{gap:20px}.faq-list summary{font-size:15px}.tool-heading h1{font-size:37px}.tool-heading .eyebrow{font-size:10px}.workspace-aside{grid-template-columns:1fr;gap:5px}.privacy-note{padding:16px 0 0}.form-section h2{font-size:19px}.drop-zone{padding:24px 15px}.back-home{font-size:13px;gap:6px}.form-section{margin-bottom:24px}.site-footer .wordmark{font-size:27px}.site-footer>a:last-child{font-size:12px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*::before,*::after{transition:none!important}}
.privacy-section{max-width:790px;text-align:center;border-bottom:1px solid var(--line)}.privacy-label{font-size:11px;letter-spacing:.12em;font-weight:600;color:var(--blue);display:block;margin-bottom:24px}.privacy-section p{color:var(--muted);font-size:17px;line-height:1.85;max-width:640px;margin:25px auto 12px}.local-banner{display:flex;flex-direction:column;gap:5px;background:var(--tint);border-left:3px solid var(--blue);padding:19px 24px;margin-bottom:35px}.local-banner strong{font-size:16px;font-weight:600;color:var(--blue)}.local-banner span{font-size:13px;color:var(--muted)}.storage-status{font-size:12px;color:var(--blue);margin:7px 0 0}.storage-status:empty{display:none}.history-section{border-top:1px solid var(--line);margin-top:58px;padding-top:38px}.history-heading{display:flex;justify-content:space-between;align-items:start;gap:24px;margin-bottom:20px}.history-heading h2{font-family:"Segoe UI",Arial,sans-serif;font-size:23px;font-weight:600;letter-spacing:-.02em}.history-heading p{font-size:14px;color:var(--muted);margin:12px 0 0}.history-heading>.text-button{flex-shrink:0}.history-empty{font-size:14px;color:var(--muted);padding:26px;background:var(--tint);border-radius:var(--radius)}.history-row{display:flex;align-items:center;justify-content:space-between;gap:24px;padding:20px 0;border-bottom:1px solid var(--line)}.history-info{min-width:0}.history-info h3{font-size:16px;overflow-wrap:anywhere}.history-info p{font-size:12px;color:var(--muted);margin:5px 0 0}.history-actions{display:flex;gap:24px;flex-shrink:0}.history-remove{color:var(--muted)}.history-footnote{font-size:12px;color:var(--muted);max-width:700px;margin:20px 0 0}.history-info h3{line-height:1.6}@media(max-width:480px){.local-banner{padding:16px;margin-bottom:30px}.local-banner strong{font-size:14px}.local-banner span{font-size:12px}.history-heading{gap:12px}.history-heading h2{font-size:20px}.history-heading p{font-size:13px}.history-row{align-items:start;gap:10px;flex-direction:column}.history-actions{gap:26px}.history-section{margin-top:40px}.privacy-section{padding-block:55px}.privacy-section p{font-size:16px}.storage-status{line-height:1.7}}
.mechanism-section{border-bottom:1px solid var(--line)}.mechanism-intro{max-width:730px}.mechanism-intro>p{color:var(--muted);margin:26px 0 0;line-height:1.85}.reading-flow{list-style:none;padding:0;margin:40px 0 28px;display:grid;grid-template-columns:repeat(3,1fr);gap:36px}.reading-flow li{position:relative;border-top:2px solid #c9d6e3;padding:20px 24px 0 0}.reading-flow li:not(:last-child)::after{content:'→';position:absolute;right:-20px;top:16px;color:var(--blue);font-size:23px}.reading-flow strong{display:block;font-size:17px;font-weight:600;color:var(--blue)}.reading-flow span{display:block;margin-top:9px;font-size:15px;line-height:1.75;color:var(--muted)}.mechanism-key{padding:18px 22px;background:var(--tint);border-radius:var(--radius);font-size:15px;color:var(--blue);margin:32px 0 18px}.mechanism-details details{border-bottom:1px solid var(--line)}.detail-body{max-width:850px;padding-bottom:22px}.detail-body p{font-size:15px;color:var(--muted);line-height:1.85;margin-bottom:16px}.reference-link{display:inline-flex;align-items:center;min-height:44px;font-size:13px;color:var(--blue);text-decoration:underline;text-underline-offset:4px}.tradeoffs{display:grid;grid-template-columns:1fr 1fr;gap:65px;margin-top:40px}.tradeoffs h3{font-size:20px}.tradeoffs ul{padding-left:20px;margin:18px 0 0;font-size:15px;color:var(--muted)}.tradeoffs li{padding-left:5px;margin-bottom:12px;line-height:1.8}.tradeoffs li::marker{color:var(--blue)}.mechanism-footnote{font-size:14px;color:var(--muted);margin:25px 0 0;max-width:850px}.language-switch button{min-width:44px}@media(max-width:800px){.reading-flow{gap:26px}.tradeoffs{gap:35px}}@media(max-width:600px){.reading-flow{grid-template-columns:1fr;gap:28px;margin:30px 0}.reading-flow li{padding:15px 0 8px}.reading-flow li:not(:last-child)::after{content:'↓';right:4px;top:auto;bottom:-26px}.mechanism-key{padding:16px;font-size:14px}.tradeoffs{grid-template-columns:1fr;gap:24px;margin-top:30px}.mechanism-details summary{font-size:15px}.mechanism-intro>p{font-size:16px}.mechanism-footnote{font-size:13px}}