/* Sudoku Pod TestFlight page. A copy of the Planetside page's styles; the palette follows
   the app: cinnabar ink on washi paper in light, gold leaf on agarwood in dark appearance.
   Radius scale: 12px controls, 24px callouts, 30px screenshot corners. */
:root{color-scheme:light dark;--bg:#faf6ee;--surface:#f0e8da;--paper:#fffdf8;--text:#22160f;--muted:#5c4a3d;--blue:#9a3324;--button:#7a2a1c;--on-button:#fff8ec;--line:#ddd0bc;--focus:#6e2418;--tint:#f5e6d3;--shadow:0 18px 52px #3a1d0e18;--serif:"New York",ui-serif,Georgia,"Times New Roman",serif;font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Helvetica,Arial,sans-serif;font-size:17px;line-height:1.55;background:var(--bg);color:var(--text)}
*{box-sizing:border-box}body{margin:0}button,textarea{font:inherit}a{color:var(--blue);text-underline-offset:4px}button,a,summary{-webkit-tap-highlight-color:transparent}button{cursor:pointer}a:focus-visible,button:focus-visible,summary:focus-visible,textarea:focus-visible{outline:3px solid var(--focus);outline-offset:5px}img{max-width:100%;height:auto;display:block}.wrap{width:min(100% - 48px,1024px);margin-inline:auto}.site-header{border-bottom:1px solid var(--line);background:var(--bg)}.nav-wrap{max-width:1120px;margin:auto;min-height:76px;padding:12px 24px;display:flex;align-items:center;gap:28px}.brand{display:flex;gap:10px;align-items:center;font-size:22px;font-weight:650;color:var(--text);text-decoration:none;white-space:nowrap}.brand img{border-radius:9px}.brand span{font-size:14px;font-weight:400;color:var(--muted);border-left:1px solid var(--line);padding-left:12px;margin-left:4px}nav{display:flex;gap:26px;margin-left:auto}nav a{font-size:14px;color:var(--muted);text-decoration:none;padding-block:10px}nav a:hover{text-decoration:underline}.languages{display:flex;gap:2px;font-size:13px}.languages a{padding:10px 9px;text-decoration:none;border-radius:8px;color:var(--muted)}.languages a[aria-current]{background:var(--surface);color:var(--text);font-weight:700;text-decoration:underline}.hero{text-align:center;padding:64px 0 36px}.app-icon{border-radius:25%;margin:0 auto 24px;box-shadow:0 6px 20px #19345112}.eyebrow{color:var(--blue);font-size:14px;font-weight:600;letter-spacing:.14em;text-transform:uppercase;font-family:ui-monospace,"SF Mono",Menlo,monospace;margin:0 0 16px}h1,h2,h3,p{margin-top:0}h1{font-family:var(--serif);font-size:clamp(42px,5.7vw,72px);line-height:1.04;letter-spacing:-.03em;font-weight:700;margin-bottom:24px}.intro{font-size:23px;line-height:1.42;letter-spacing:-.018em;max-width:640px;margin:0 auto 22px;color:var(--muted)}.text-link{display:inline-block;font-size:19px;text-decoration:none;padding:8px}.text-link:hover{text-decoration:underline}.compatibility{display:flex;justify-content:center;gap:0;color:var(--muted);font-size:14px;padding-bottom:46px}.compatibility span{padding:0 20px}.compatibility span+span{border-left:1px solid var(--line)}.gallery-section{padding:34px 46px 28px;background:var(--surface);border-radius:32px}.screens{display:flex;gap:28px;align-items:start;overflow-x:auto;scroll-snap-type:x mandatory;padding:4px 4px 18px;margin-inline:-4px;scrollbar-width:thin}.screens figure{flex:0 0 calc((100% - 84px)/4);scroll-snap-align:start}.screens:focus-visible{outline:3px solid var(--focus);outline-offset:5px}.duo{margin-top:40px;text-align:center}.duo h3{font-size:24px;margin-bottom:8px}.duo>p{color:var(--muted);font-size:16px;max-width:560px;margin:0 auto 26px}.duo-shots{display:grid;grid-template-columns:1fr 2fr;gap:32px;align-items:end}.duo-shots figure{margin:0}.duo-shots a{display:block;border-radius:18px}.duo-shots img{width:100%;filter:drop-shadow(0 14px 28px #19345124)}.devices{display:grid;grid-template-columns:3fr 1fr;gap:32px;align-items:end;margin-top:34px}.devices figure{margin:0}.devices a{display:block;border-radius:18px}.devices img{width:100%;border:1px solid var(--line);border-radius:18px;box-shadow:var(--shadow);background:var(--paper)}.devices .watch a,.devices .watch img{border-radius:38px}.screens figure{margin:0}.screens a{display:block;border-radius:30px}.screens img{width:100%;border:1px solid var(--line);border-radius:30px;box-shadow:var(--shadow);background:var(--paper)}figcaption{font-size:15px;line-height:1.35;font-weight:600;margin-top:18px;text-align:center}.caption{font-size:13px;text-align:center;color:var(--muted);margin:26px 0 0}.section{padding-top:92px;padding-bottom:88px}h2{font-size:clamp(32px,4vw,44px);line-height:1.12;letter-spacing:-.038em;font-weight:680;margin-bottom:20px;max-width:800px}h3{font-size:20px;line-height:1.3;letter-spacing:-.02em;margin-bottom:10px}.section-intro{font-size:19px;color:var(--muted);max-width:780px;margin-bottom:34px}.text-button{border:0;background:none;color:var(--blue);padding:10px 0;text-decoration:underline;text-underline-offset:4px;font-size:15px;margin-bottom:8px}.feature-list{border-top:1px solid var(--line)}.feature-group{border-bottom:1px solid var(--line)}summary{list-style:none;cursor:pointer;padding:25px 4px;font-size:22px;font-weight:600;display:flex;align-items:center;justify-content:space-between;gap:25px;line-height:1.35}summary::-webkit-details-marker{display:none}summary span{font-weight:300;font-size:28px;line-height:1;color:var(--blue);flex-shrink:0}.feature-group[open] summary span{transform:rotate(45deg)}.feature-group ul{margin:0;padding:0 26px 24px;columns:2;column-gap:54px;color:var(--muted);font-size:16px}.feature-group li{padding-left:4px;padding-bottom:17px;break-inside:avoid}.feature-group li::marker{color:var(--blue)}.future{background:var(--surface);border-radius:24px;padding:28px 32px;margin-top:38px}.future p{font-size:16px;color:var(--muted);margin:0}.test-section{background:var(--surface)}.test-list{list-style:none;counter-reset:tests;margin:0;padding:0;display:grid;grid-template-columns:1fr 1fr;gap:38px 52px}.test-list li{counter-increment:tests;position:relative;padding-left:46px}.test-list li::before{content:counter(tests);position:absolute;left:0;top:0;color:var(--blue);border:1px solid var(--blue);width:29px;height:29px;border-radius:50%;display:grid;place-items:center;font-size:14px;font-weight:600}.test-list h3{font-size:20px}.test-list p{font-size:16px;color:var(--muted);margin:0}.test-list li:first-child{grid-column:1/-1;padding-bottom:30px;border-bottom:1px solid var(--line)}.test-list li:first-child p{max-width:830px}.note{font-size:14px;border-top:1px solid var(--line);padding-top:24px;margin:38px 0 0;color:var(--muted)}.feedback h2{max-width:650px}.feedback-layout{display:grid;grid-template-columns:1fr 1fr;gap:66px;margin-top:45px}.feedback-steps>div{margin-bottom:30px}.feedback-steps p{font-size:16px;color:var(--muted)}.template{background:var(--surface);border-radius:24px;padding:28px;align-self:start}.template label{display:block;font-size:16px;font-weight:600;margin-bottom:15px}.template textarea{width:100%;resize:vertical;border:0;padding:12px;border-radius:12px;background:var(--paper);color:var(--text);font-size:14px;line-height:1.65;min-height:285px}.secondary-button{color:var(--blue);border:1px solid var(--blue);border-radius:12px;background:transparent;padding:11px 17px;font-size:14px;margin-top:15px;min-height:44px}.secondary-button:hover{background:var(--tint)}#copy-status{font-size:13px;margin:12px 0 0;color:var(--muted)}#copy-status:empty{display:none}.privacy{font-size:14px;color:var(--muted);margin:38px 0 0;max-width:840px}.join{background:var(--tint);border-radius:32px;text-align:center;padding:48px 30px 40px}.join img{border-radius:20px;margin:0 auto 22px}.join h2{margin:0 auto 16px}.join>p{max-width:560px;margin:0 auto 26px;color:var(--muted)}.primary-button{display:inline-flex;align-items:center;justify-content:center;gap:16px;background:var(--button);color:var(--on-button);border-radius:12px;padding:15px 25px;font-size:18px;font-weight:600;min-height:54px;text-decoration:none;max-width:100%;text-align:center}.primary-button:not([aria-disabled]):hover{filter:brightness(.92)}.primary-button[aria-disabled]{cursor:default}.join .invite-status{font-size:14px;margin:15px auto 0}footer{padding-block:34px 40px;color:var(--muted);font-size:12px}footer p{margin-bottom:9px}.skip{position:absolute;top:8px;left:12px;transform:translateY(-160%);background:var(--paper);padding:10px 16px;z-index:1}.skip:focus{transform:none}.visually-hidden{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}[hidden]{display:none!important}
@media(prefers-color-scheme:dark){:root{--bg:#160f0b;--surface:#231812;--paper:#1c130e;--text:#f4ead9;--muted:#c4b29b;--blue:#e2b65c;--button:#e2b65c;--on-button:#1a110b;--line:#433226;--focus:#f2d38a;--tint:#2c1e15;--shadow:0 18px 52px #0008}}
@media(max-width:767px){.wrap{width:calc(100% - 36px)}.nav-wrap{padding:10px 18px;min-height:64px;gap:12px}.brand{font-size:20px}.brand img{width:30px;height:30px}.brand span{font-size:12px;padding-left:10px}nav{display:none}.languages{margin-left:auto}.hero{padding-top:42px}.app-icon{width:88px;height:88px;margin-bottom:22px}.intro{font-size:20px;max-width:440px}.compatibility{flex-wrap:wrap;gap:8px 16px;padding-bottom:26px}.compatibility span{padding:0;border:0!important;font-size:12px}.gallery-section{padding:25px 20px;border-radius:24px}.screens{gap:15px}.screens img,.screens a{border-radius:17px}figcaption{font-size:12px;margin-top:12px}.caption{font-size:12px}.section{padding-top:60px;padding-bottom:56px}.section-intro{font-size:17px}summary{font-size:19px;padding-block:23px}.feature-group ul{columns:1;font-size:16px}.future{padding:24px}.test-list{grid-template-columns:1fr;gap:30px}.test-list li:first-child{grid-column:auto;padding-bottom:0;border:0}.feedback-layout{grid-template-columns:1fr;gap:16px;margin-top:30px}.join{padding:36px 22px}.primary-button{font-size:16px}.template{padding:22px}}
@media(max-width:767px){.screens{gap:22px;padding-bottom:14px}.screens figure{flex:0 0 72%;max-width:260px;margin:0}.screens img,.screens a{border-radius:27px}.screens figcaption,.devices figcaption{font-size:14px}.devices{grid-template-columns:1fr;gap:26px}.duo-shots{grid-template-columns:1fr;gap:26px}.duo-shots figure:first-child{width:62%;margin-inline:auto}.devices .watch{width:58%;max-width:220px;margin-inline:auto}}
@media(min-width:768px) and (max-width:1023px){.screens figure{flex-basis:calc((100% - 56px)/3)}}
@media(max-width:420px){.brand span{display:none}}
@media(prefers-reduced-motion:no-preference){button,.primary-button{transition:background-color .15s ease,transform .15s ease}.secondary-button:active,.primary-button:not([aria-disabled]):active{transform:scale(.98)}}
@media(forced-colors:active){.primary-button,.secondary-button,.languages a[aria-current]{border:2px solid ButtonText}.screens img,.devices img{border:1px solid CanvasText}}
@media print{.site-header,.text-button,#copy,.skip{display:none}.wrap{width:100%}.section{padding:20px 0}.screens{flex-wrap:wrap;overflow:visible}.screens figure{flex-basis:22%}.devices,.duo-shots{max-width:550px}.join{break-inside:avoid}body{color:#111;background:white}.feature-group ul{display:block}details::details-content{display:block}.test-list{display:block}.test-list li{margin-bottom:18px}}

.future-next{margin-top:26px}
.duo-shots img.tv{border-radius:14px}
.primary-button[aria-disabled]{opacity:.5}

.device-gallery{margin-top:40px;text-align:center}.device-gallery h3{font-size:24px;margin-bottom:8px}.device-gallery>p{color:var(--muted);font-size:16px;max-width:640px;margin:0 auto 26px}.tv-shots{display:grid;grid-template-columns:1fr 1fr;gap:28px;align-items:start}.tv-shots figure,.vision-shot figure{margin:0;min-width:0}.tv-shots a,.vision-shot a{display:block;border-radius:14px}.tv-shots img,.vision-shot img{width:100%;border:1px solid var(--line);border-radius:14px;background:var(--paper)}
@media(max-width:767px){.tv-shots{grid-template-columns:1fr;gap:26px}.device-gallery>p{font-size:15px}}
@media(forced-colors:active){.tv-shots img,.vision-shot img{border-color:CanvasText}}
@media print{.device-gallery{break-inside:avoid}}
/* Campaign galleries: readable landscape art and keyboard-scrollable device sets. */
.gallery-nav{display:flex;flex-wrap:wrap;gap:10px 18px;justify-content:flex-start;margin:22px 0 32px;max-width:100%}.gallery-nav a{font-size:14px;padding:8px 0}.device-gallery{scroll-margin-top:24px}.screens.landscape figure{flex:0 0 76%;max-width:720px}.screens.landscape img,.screens.landscape a{border-radius:14px}
@media(max-width:767px){.screens.landscape figure{flex-basis:94%;max-width:none}.gallery-nav{gap:4px 16px}.device-gallery h3{font-size:22px}}
/* A landscape view inside a portrait device group (an iPhone or iPad turned sideways). */
.screens figure.wide{flex:0 0 62%;max-width:640px}.screens figure.wide img,.screens figure.wide a{border-radius:14px}
@media(max-width:767px){.screens figure.wide{flex-basis:94%;max-width:none}}
.back{display:inline-flex;align-items:center;gap:6px;min-height:44px;padding:0 14px 0 10px;margin-left:-10px;border-radius:12px;color:var(--muted);font-size:14px;text-decoration:none;white-space:nowrap}.back span[aria-hidden]{font-size:24px;line-height:1;margin-top:-3px}.back:hover{background:var(--surface);color:var(--text)}
@media(max-width:767px){.back{min-width:44px;justify-content:center;padding:0;margin-left:-8px}.back-text{display:none}.nav-wrap{gap:6px}}
/* Equal heights: every shot in a gallery shares one height, set so its widest shot (--max-ar, width ÷ height) still fits the row. */
.screens{container-type:inline-size;--max-ar:.69}#gallery-duo-open .screens{--max-ar:1.43}#gallery-iphone .screens{--max-ar:2.18}#gallery-ipad .screens{--max-ar:1.46}#gallery-tv-vision .screens{--max-ar:1.78}
.screens figure,.screens.landscape figure,.screens figure.wide{flex:0 0 auto;width:min-content;max-width:none}.screens img{width:auto;max-width:none;height:min(520px,calc(92cqi / var(--max-ar)))}
@media(max-width:767px){.screens figure,.screens.landscape figure,.screens figure.wide{flex-basis:auto;max-width:none}.screens img{height:min(460px,calc(92cqi / min(var(--max-ar),1.45)))}}
.screens figure{min-width:140px}.screens a{width:fit-content;margin-inline:auto}
@media(max-width:767px){.screens figure{min-width:120px}.screens img,.screens a{border-radius:14px}}