:root{--paper:#f5f7f8;--ink:#182a35;--muted:#586b76;--line:#dce4e8;--accent:#1b665e;--soft:#e6f0ed;--serif:Georgia,"Times New Roman",serif;color-scheme:light}
*{box-sizing:border-box}body{margin:0;background:var(--paper);color:var(--ink);font:16px/1.6 -apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;-webkit-font-smoothing:antialiased}a{color:inherit;text-underline-offset:4px}button,input,select,textarea{font:inherit}button,a,input,select,summary,textarea{outline-offset:5px}a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible,summary:focus-visible,textarea:focus-visible{outline:2px solid var(--accent)}button{cursor:pointer}button:disabled{opacity:.6;cursor:wait}[hidden]{display:none!important}.wrap{max-width:1240px;margin:auto;padding:0 48px}.skip{position:absolute;left:16px;top:12px;z-index:20;background:var(--ink);color:white;padding:12px;transform:translateY(-180%)}.skip:focus{transform:none}header{display:flex;align-items:center;justify-content:space-between;gap:24px;min-height:100px;border-bottom:1px solid var(--line)}.brand{display:inline-flex;align-items:center;gap:8px;font-size:24px;font-weight:700;text-decoration:none;letter-spacing:-1px}.vip{font:10px/1.8 ui-monospace,monospace;letter-spacing:1px;border:1px solid #b7c8ce;border-radius:4px;padding:0 5px;margin-left:2px}header nav{display:flex;align-items:center;gap:24px;font-size:13px}header nav a{text-decoration:none;padding:12px 0}header nav [aria-current]{color:var(--accent);font-weight:700}.official-link{display:inline-flex;align-items:center;justify-content:space-between;gap:14px;font-size:13px;font-weight:600}.hero{display:grid;grid-template-columns:1.1fr 1fr;gap:58px;align-items:center;padding:94px 0 90px}.eyebrow{font:10px/1.7 ui-monospace,monospace;letter-spacing:1.3px;color:var(--accent);margin:0 0 24px}.dot{display:inline-block;width:6px;height:6px;background:var(--accent);border-radius:50%;margin-right:7px}h1,h2,h3,p{margin-top:0}h1{font-size:clamp(42px,4.7vw,64px);line-height:1.08;letter-spacing:-3px;font-weight:550;margin-bottom:25px}h1 em{font-family:var(--serif);font-weight:400;color:var(--accent);letter-spacing:-2.5px}h2{font-size:32px;font-weight:550;line-height:1.25;letter-spacing:-1px}h3{font-size:20px;line-height:1.3;font-weight:600;letter-spacing:-.4px}.lead{font-size:17px;line-height:1.8;color:var(--muted);max-width:510px}.actions{display:flex;align-items:center;gap:24px;flex-wrap:wrap;margin-top:32px}.button{display:inline-flex;align-items:center;justify-content:space-between;gap:28px;min-height:52px;background:var(--ink);border:1px solid var(--ink);color:white;padding:12px 20px;border-radius:6px;font-size:14px;font-weight:600;text-decoration:none}.button:hover{background:var(--accent);border-color:var(--accent)}.text-link{font-size:13px;font-weight:600;text-decoration:none}.fine{font-size:11px;line-height:1.8;color:var(--muted);margin:15px 0 0}.section{border-top:1px solid var(--line);padding:58px 0}.section-heading{display:grid;grid-template-columns:1fr 1fr;gap:0 40px}.section-heading .eyebrow{grid-column:1/-1;margin-bottom:18px}.section-heading>p:last-child{color:var(--muted);padding-top:8px;font-size:14px}.tool-icon{display:inline-flex;width:56px;height:56px;background:var(--soft);border-radius:12px;padding:12px;color:var(--accent)}svg{width:100%;height:100%;fill:none;stroke:currentColor;stroke-width:1.5;stroke-linecap:round;stroke-linejoin:round}.principles{display:grid;grid-template-columns:repeat(3,1fr);gap:34px;padding:12px 0 60px}.step-number{font:10px ui-monospace,monospace;color:var(--accent);display:inline-flex;align-items:center;justify-content:center;width:28px;height:28px;background:var(--soft);border-radius:50%;flex-shrink:0}.principles h3{font-size:16px;margin:17px 0 10px}.principles p{font-size:13px;color:var(--muted);max-width:300px}.closing{display:flex;justify-content:space-between;align-items:center;gap:30px;background:#e5eeeb;border-radius:12px;padding:38px}.closing .eyebrow{margin-bottom:12px}.closing h2{font-size:28px}.closing p:last-child{font-size:13px;color:var(--muted);margin:0}.closing .official-link{flex-shrink:0;background:white;padding:14px 20px;border-radius:6px;text-decoration:none}footer{padding:45px 0 24px}.footer-top{display:flex;align-items:center;justify-content:space-between;gap:20px}.footer-top .brand{font-size:18px}.footer-top>span,.footer-top>a:last-child{font-size:11px;color:var(--muted)}.footer-bottom{display:flex;justify-content:space-between;gap:40px;border-top:1px solid var(--line);margin-top:24px;padding-top:20px;font-size:10px;color:var(--muted)}.footer-bottom p{max-width:540px}.breadcrumb{display:flex;gap:12px;font-size:11px;color:var(--muted);padding-top:24px}.tool-heading{padding:50px 0 36px}.tool-heading h1{font-size:54px}.tool-heading .eyebrow{margin-bottom:20px}.workspace{display:grid;grid-template-columns:1fr 1fr;gap:24px;align-items:start;margin-bottom:64px}.panel{background:white;border:1px solid var(--line);border-radius:12px;padding:30px;min-width:0}.panel-heading{display:flex;align-items:center;gap:12px;margin-bottom:22px}.panel-heading h2{font-size:19px;letter-spacing:-.3px;margin:0}.panel label,.panel legend{display:block;font-size:13px;font-weight:600;margin-bottom:8px}.panel input[type=number],.panel select{width:100%;min-height:47px;border:1px solid #b8c8cf;border-radius:6px;background:white;padding:10px 12px;color:var(--ink);margin-bottom:16px}.file-zone{display:flex!important;align-items:center;flex-direction:column;gap:12px;padding:24px 18px;border:1px dashed #a8c3ba;border-radius:9px;background:#f5faf8;margin-bottom:30px!important;text-align:center}.file-zone>span:not(.tool-icon){font-size:11px;color:var(--muted);font-weight:400}.file-zone input{width:100%;font-size:12px;margin-top:4px;overflow:hidden}.file-zone input::file-selector-button{border:0;border-radius:5px;padding:9px 12px;background:var(--soft);color:var(--ink);margin-right:8px}.helper{font-size:12px;color:var(--muted);line-height:1.8;margin:0 0 18px;overflow-wrap:anywhere}fieldset{border:0;padding:0;margin:10px 0 20px;min-width:0}.checkbox-grid{display:grid;grid-template-columns:1fr 1fr;gap:9px}.checkbox-grid label{display:flex;align-items:center;gap:8px;margin:0;font:12px ui-monospace,monospace;padding:8px;border:1px solid var(--line);border-radius:5px}.checkbox-grid input{accent-color:var(--accent);width:16px;height:16px}.help-details{font-size:12px;margin-bottom:24px}.help-details summary{cursor:pointer;font-weight:600}.help-details p{color:var(--muted);margin-top:12px;overflow-wrap:anywhere}code{font-size:11px;background:var(--paper);padding:2px 4px}.panel>.button{width:100%}.empty-state{text-align:center;padding:55px 15px;color:var(--muted)}.empty-state>svg{width:56px;height:56px;color:#90a9a0;margin-bottom:20px}.empty-state h3{font-size:18px;color:var(--ink)}.empty-state p{font-size:13px;margin-bottom:0}.result-boundary{font-size:11px;color:var(--muted);border-top:1px solid var(--line);padding-top:20px;margin:25px 0 0}.result-badge{padding:12px 14px;border-radius:6px;font-size:13px;font-weight:600;margin-bottom:20px}.result-badge.pass{background:#e4f3e9;color:#285c3c}.result-badge.blocked{background:#fff0e8;color:#884b25}.result-badge.unknown{background:#edf1f4;color:#426171}.metadata{margin:0 0 24px;font-size:12px}.metadata>div{display:grid;grid-template-columns:110px 1fr;gap:16px;padding:11px 0;border-bottom:1px solid var(--line)}dt{color:var(--muted)}dd{margin:0;font-weight:600;overflow-wrap:anywhere}.check-list{list-style:none;padding:0;font-size:12px}.check-list li{display:flex;gap:10px;margin-bottom:16px;align-items:start}.check-list span{background:var(--soft);color:var(--accent);width:20px;height:20px;flex-shrink:0;border-radius:50%;text-align:center;font-weight:600}.check-list .blocked span{color:#884b25;background:#fff0e8}#apk-status,#screen-status{font-size:13px;overflow-wrap:anywhere}.field-pair{display:grid;grid-template-columns:1fr 1fr;gap:14px}.screen-diagram{padding:20px;background:var(--paper);border-radius:8px;text-align:center;font-size:10px;color:var(--muted);margin-bottom:24px}.screen-outline{display:flex;align-items:center;justify-content:center;border:7px solid var(--ink);border-radius:9px;background:#e4ede9;max-height:220px;max-width:100%;margin:auto auto 14px}.screen-outline span{font:10px ui-monospace,monospace;overflow-wrap:anywhere}.result-metrics{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-bottom:22px}.result-metrics>div{border-bottom:1px solid var(--line);padding-bottom:14px}.result-metrics span{display:block;font-size:11px;color:var(--muted)}.result-metrics strong{display:block;font-size:23px;font-weight:500;margin-top:4px;overflow-wrap:anywhere}.result-metrics small{font-size:12px}.worksheet-steps{padding-left:20px;font-size:12px;color:var(--muted)}.worksheet-steps li{padding:0 0 14px 5px}.secondary-button{border:1px solid var(--line);background:var(--paper);border-radius:6px;padding:10px 14px;font-size:12px;color:var(--ink)}.manual-copy{width:100%;height:240px;border:1px solid var(--line);font-size:12px;padding:12px}.reading-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:32px;margin:32px 0}.reading-grid h3{font-size:16px}.reading-grid p{font-size:13px;color:var(--muted)}.guide-links{display:flex;flex-wrap:wrap;gap:20px}.guide-links .official-link{font-size:12px}.sources{font-size:11px;color:var(--muted);margin-top:24px}.notice{padding:20px;background:#fff0e8}
@media(max-width:1000px){.wrap{padding:0 32px}.hero{gap:30px;padding:65px 0}h1{font-size:49px}.actions{gap:16px}.tool-heading h1{font-size:46px}.panel{padding:24px}.official-link{font-size:12px}header nav{gap:16px}}
@media(max-width:720px){.wrap{padding:0 22px}header{flex-wrap:wrap;gap:0;min-height:120px;padding:17px 0}header>.brand{font-size:23px}header nav{width:100%;justify-content:space-between;gap:12px;font-size:11px}header .official-link{font-size:10px}.hero{grid-template-columns:1fr;padding:48px 0;gap:38px}h1{font-size:45px;letter-spacing:-2px}h1 em{letter-spacing:-2px}.lead{font-size:15px}.section{padding:40px 0}.section-heading{display:block}.section-heading h2{font-size:29px}.section-heading>p:last-child{padding:0}.principles{grid-template-columns:1fr;gap:10px;padding-bottom:32px}.principles>div{border-top:1px solid var(--line);padding-top:20px}.principles h3{display:inline-block;margin:0 0 10px 12px}.principles p{max-width:none;margin-top:8px}.closing{align-items:start;flex-direction:column;padding:28px}.closing h2{font-size:27px}.footer-top{flex-wrap:wrap;gap:12px}.footer-top>span{display:none}.footer-bottom{display:block}.tool-heading{padding:36px 0 24px}.tool-heading h1{font-size:40px;letter-spacing:-1.8px}.workspace{margin-bottom:40px}.reading-grid{grid-template-columns:1fr;gap:14px}.reading h2{font-size:28px}.guide-links{flex-direction:column;align-items:start}.panel{padding:23px}.empty-state{padding:35px 10px}}
@media(prefers-reduced-motion:reduce){*{transition:none!important}}

.faq-section h2{max-width:740px}
.faq-intro{max-width:760px;color:var(--muted);font-size:15px}
.faq-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:32px;margin:30px 0}
.faq-grid h3{font-size:17px;line-height:1.4}
.faq-grid p{font-size:14px;line-height:1.75;color:var(--muted);margin-bottom:0}
.faq-section .guide-links>a{font-size:13px;font-weight:600;color:var(--accent)}
.home-wrap .faq-section{margin:44px 48px 0}
@media(max-width:1200px){.home-wrap .faq-section{margin-left:30px;margin-right:30px}}
@media(max-width:720px){.faq-grid{grid-template-columns:1fr;gap:26px}.home-wrap .faq-section{margin:32px 6px 0}.faq-section h2{font-size:27px}.faq-grid h3{font-size:17px}}

/* Selected editorial hero; the photography is an independent image asset. */
.brand{gap:9px;letter-spacing:-1px}
.brand-symbol{display:block;width:48px;height:48px;flex-shrink:0}
.brand-wordmark{font-size:28px;letter-spacing:-1.2px}
.arrow-icon{display:inline-block;width:18px;height:18px;flex-shrink:0;vertical-align:middle}
.arrow-icon--light{filter:brightness(0) invert(1)}
.home-wrap{max-width:1480px;padding:0 20px}
.home-wrap header{min-height:82px;margin:0 48px;border-bottom:0}
.home-wrap header nav{font-size:14px;gap:28px}
.home-wrap header .official-link{font-size:14px}
.home-wrap .hero{display:block;position:relative;isolation:isolate;overflow:hidden;min-height:550px;padding:0;border-radius:16px;background:#142d31;color:#f5f7f8}
.hero-picture{position:absolute;inset:0;z-index:-1}
.hero-picture img{display:block;width:100%;height:100%;object-fit:cover;object-position:center}
.hero-copy{max-width:780px;padding:84px 48px 40px}
.home-wrap .hero .eyebrow{font-size:11px;letter-spacing:1.6px;color:#c5e5dc;margin:0 0 28px;line-height:1.4}
.home-wrap .hero .dot{background:#a6e5d1}
.home-wrap .hero h1{font-family:"Iowan Old Style","Baskerville",Georgia,serif;font-weight:400;font-size:clamp(56px,5.2vw,78px);line-height:1.04;letter-spacing:-3.4px;margin:0 0 28px}
.home-wrap .hero h1>span{display:block;white-space:nowrap}
.home-wrap .hero h1 em{font-family:inherit;color:#a6e5d1;font-weight:400;letter-spacing:inherit}
.home-wrap .hero .lead{max-width:555px;font-size:22px;line-height:1.4;color:#e0e9e9;margin:0}
.home-wrap .hero .actions{gap:28px;margin-top:34px}
.home-wrap .hero .button{background:#f8fbfb;border-color:#f8fbfb;color:#182a35;min-height:56px;padding:14px 22px;gap:25px}
.home-wrap .hero .button:hover{background:#d6eee6;border-color:#d6eee6}
.home-wrap .hero .text-link{display:inline-flex;align-items:center;gap:18px;font-size:14px;color:#f5f7f8;padding:12px 0}
.home-wrap .hero .fine{font-size:12px;color:#d4dfe0;margin-top:25px}
.hero-caption{position:absolute;right:24px;bottom:15px;font-size:10px;line-height:1.4;color:#f5f7f8;margin:0;text-shadow:0 1px 3px #142d31}
.toolkit{display:grid;grid-template-columns:1.12fr 1fr 1.04fr;gap:34px;margin:38px 48px 0;padding-bottom:58px}
.toolkit-intro{padding-top:20px}
.toolkit-intro .eyebrow{font-size:10px;letter-spacing:1.3px;color:#586b76;margin-bottom:23px}
.toolkit-intro h2{font-family:"Iowan Old Style","Baskerville",Georgia,serif;font-size:48px;font-weight:400;line-height:1.05;letter-spacing:-2px;margin:0 0 28px}
.toolkit-intro>p:last-child{font-size:18px;line-height:1.55;color:#586b76;margin:0;max-width:365px}
.tool-feature{min-width:0;display:flex;flex-direction:column}
.tool-feature:last-child{border-left:1px solid #dce4e8;padding-left:34px}
.tool-photo{display:block;width:100%;height:auto;aspect-ratio:2.14;object-fit:cover;border-radius:7px;margin-bottom:16px}
.tool-feature h3{font-size:19px;font-weight:600;line-height:1.3;letter-spacing:-.45px;margin:0 0 10px}
.tool-feature>p{font-size:16px;line-height:1.5;color:#586b76;margin:0 0 23px}
.tool-feature-bottom{display:flex;align-items:center;justify-content:space-between;gap:8px;margin-top:auto}
.tool-feature-bottom>a{display:inline-flex;align-items:center;gap:18px;font-size:14px;font-weight:600;color:#184e4d;text-decoration-thickness:1px}
.tool-feature-bottom>span{font-size:10px;font-style:italic;color:#677985}
.home-wrap .principles,.home-wrap .closing,.home-wrap footer{margin-left:48px;margin-right:48px}
.home-wrap .principles{border-top:1px solid #dce4e8;padding-top:40px}
.footer-top .brand-symbol{width:26px;height:26px}
.footer-top .brand-wordmark{font-size:19px}
@media(max-width:1200px){
  .home-wrap .hero h1{font-size:clamp(46px,5.2vw,62px)}
  .hero-copy{padding:72px 38px 48px;max-width:680px}
  .home-wrap .hero{min-height:500px}
  .home-wrap header{margin:0 30px}
  .toolkit{margin:34px 30px 0;gap:24px}
  .toolkit-intro h2{font-size:40px}
  .toolkit-intro>p:last-child{font-size:16px}
  .tool-feature:last-child{padding-left:24px}
  .home-wrap .principles,.home-wrap .closing,.home-wrap footer{margin-left:30px;margin-right:30px}
  .tool-feature-bottom{align-items:start;flex-direction:column}
}
@media(max-width:1000px){
  .home-wrap .hero h1{font-size:clamp(44px,5.5vw,56px);letter-spacing:-2px}
  .hero-copy{padding:64px 30px 40px;max-width:620px}
  .home-wrap .hero .lead{max-width:450px;font-size:17px}
  .home-wrap .hero{min-height:470px}
  .toolkit{grid-template-columns:1fr 1fr;gap:28px}
  .toolkit-intro{grid-column:1/-1;padding-top:5px}
  .toolkit-intro h2 br{display:none}
  .toolkit-intro h2{margin-bottom:12px}
  .toolkit-intro>p:last-child{max-width:none}
  .tool-feature:last-child{border-left:0;padding-left:0}
  .tool-feature-bottom{align-items:center;flex-direction:row}
  .home-wrap header nav{gap:18px;font-size:12px}
  .home-wrap header .official-link{font-size:12px}
}
@media(max-width:720px){
  .workspace{grid-template-columns:1fr}
  .home-wrap{padding:0 16px}
  .home-wrap header{margin:0 6px;min-height:120px;border-bottom:0}
  .home-wrap header nav{font-size:11px;gap:10px}
  .home-wrap header .official-link{font-size:10px;gap:5px}
  .brand-symbol{width:32px;height:32px}
  .brand-wordmark{font-size:23px}
  .home-wrap .hero{display:flex;flex-direction:column;align-items:stretch;gap:0;border-radius:12px;min-height:0}
  .hero-copy{order:1;max-width:none;padding:34px 25px 30px}
  .home-wrap .hero .eyebrow{font-size:8px;letter-spacing:1.05px;margin-bottom:22px}
  .home-wrap .hero h1{font-size:clamp(35px,7.8vw,54px);line-height:1.08;letter-spacing:-1.5px;margin-bottom:22px}
  .home-wrap .hero h1>span{white-space:normal}
  .home-wrap .hero .lead{font-size:15px;line-height:1.6;max-width:470px}
  .home-wrap .hero .actions{gap:9px 21px;margin-top:25px}
  .home-wrap .hero .button{min-height:49px;padding:12px 17px;font-size:13px;gap:18px}
  .home-wrap .hero .text-link{font-size:12px;gap:12px}
  .home-wrap .hero .fine{font-size:10px;margin-top:17px}
  .hero-picture{position:relative;order:2;inset:auto;z-index:0;display:block;width:100%;aspect-ratio:1.9}
  .hero-picture img{position:absolute;inset:0;object-fit:cover;object-position:85% center}
  .hero-caption{right:12px;bottom:10px;font-size:8px;z-index:1}
  .toolkit{display:block;margin:32px 6px 0;padding-bottom:18px}
  .toolkit-intro{padding:0;margin-bottom:28px}
  .toolkit-intro .eyebrow{font-size:9px;margin-bottom:16px}
  .toolkit-intro h2{font-size:36px;line-height:1.1;letter-spacing:-1.3px;margin-bottom:16px}
  .toolkit-intro>p:last-child{font-size:15px}
  .tool-feature{padding:0 0 29px;margin-bottom:28px;border-bottom:1px solid #dce4e8}
  .tool-photo{aspect-ratio:1.9;margin-bottom:16px}
  .tool-feature h3{font-size:19px}
  .tool-feature>p{font-size:14px;margin-bottom:20px}
  .tool-feature-bottom>a{font-size:13px;gap:12px}
  .home-wrap .principles,.home-wrap .closing,.home-wrap footer{margin-left:6px;margin-right:6px}
  .home-wrap .principles{padding-top:0;border-top:0}
  .home-wrap .principles>div:first-child{border-top:0}
}

header nav .official-link{padding:10px 14px;border:1px solid #bed7cd;border-radius:8px;background:var(--soft);color:var(--accent);gap:12px;line-height:1.4;font-weight:650;transition:background-color .15s,border-color .15s,color .15s}
header nav .official-link:hover{background:var(--accent);border-color:var(--accent);color:white}
header nav .official-link:hover .arrow-icon{filter:brightness(0) invert(1)}
@media(max-width:720px){header nav .official-link{padding:8px 9px;gap:8px}}
@media(prefers-reduced-motion:reduce){header nav .official-link{transition:none}}