:root{
  --paper:#f5f7f6; --surface:#ffffff; --ink:#132430; --ink-2:#4b5b66; --rule:#d6ddda;
  --stock:#1e7a4f; --stock-soft:#e3f1e9; --link:#1d5fa8; --focus:#1d5fa8; --on-stock:#ffffff;
  --serif:-apple-system,BlinkMacSystemFont,"SF Pro Text","SF Pro Display","Inter","Helvetica Neue",Helvetica,Arial,sans-serif; --sans:-apple-system,BlinkMacSystemFont,"SF Pro Text","SF Pro Display","Inter","Helvetica Neue",Helvetica,Arial,sans-serif;
}
@media (prefers-color-scheme:dark){:root:not([data-theme="light"]){ --paper:#0f1a21; --surface:#162530; --ink:#e8eeeb; --ink-2:#a9b7b1; --rule:#2b3b45;
    --stock:#5fc795; --stock-soft:#173a2b; --link:#8fbff2; --focus:#8fbff2; --on-stock:#0f1a21; ;color-scheme:dark}}
:root[data-theme="dark"]{ --paper:#0f1a21; --surface:#162530; --ink:#e8eeeb; --ink-2:#a9b7b1; --rule:#2b3b45;
    --stock:#5fc795; --stock-soft:#173a2b; --link:#8fbff2; --focus:#8fbff2; --on-stock:#0f1a21; ;color-scheme:dark}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;background:var(--paper);color:var(--ink);font-family:var(--serif);font-size:1.0625rem;line-height:1.5;letter-spacing:-.016em;font-optical-sizing:auto}
a{color:var(--link);text-underline-offset:.18em}
a:focus-visible,button:focus-visible,summary:focus-visible{outline:3px solid var(--focus);outline-offset:3px;border-radius:4px}
img{max-width:100%;height:auto;display:block}
.wrap{max-width:1040px;margin:0 auto;padding-left:max(16px,env(safe-area-inset-left,0px));padding-right:max(16px,env(safe-area-inset-right,0px))}
.measure{max-width:680px}
h1,h2,h3{font-family:var(--sans);line-height:1.1;letter-spacing:-.02em;margin:0;font-weight:600}
p{margin:0 0 1.1em}
ul{margin:0 0 1.2em;padding-left:1.2em}
li{margin:.35em 0}

/* Hero */
.hero{padding-top:72px;padding-bottom:56px;display:grid;grid-template-columns:1.25fr .95fr;gap:48px;align-items:end}
.hero h1{font-size:clamp(2.6rem,6.4vw,4.6rem);letter-spacing:-.025em}
.hero .line{font-family:var(--sans);font-weight:500;font-size:clamp(1.2rem,2.3vw,1.55rem);line-height:1.35;margin-top:18px;max-width:30ch}
.hero .who{color:var(--ink-2);margin-top:14px;font-size:1rem}

/* The availability card: the one playful moment */
.avail{background:var(--surface);border:1px solid var(--rule);border-radius:14px;padding:22px 22px 20px;font-family:var(--sans)}
.avail .row{display:grid;grid-template-columns:26px 1fr;gap:10px;align-items:start;padding:7px 0;font-size:1rem;line-height:1.4}
.avail svg{width:22px;height:22px;stroke:var(--ink);fill:none;stroke-width:1.6;margin-top:1px}
.avail b{font-weight:600}
.avail .ok{color:var(--stock);font-weight:600}
.avail .btn{display:block;margin-top:16px;text-align:center;background:var(--stock);text-decoration:none;font-weight:600;padding:13px 16px;border-radius:10px;font-size:1.02rem}
.avail .btn{color:var(--on-stock)}
.avail .btn-2{display:block;margin-top:10px;text-align:center;text-decoration:none;font-weight:600;padding:11px 16px;border-radius:10px;font-size:1.02rem;color:var(--stock);border:2px solid var(--stock);background:transparent}
.avail .btn-2:hover{background:var(--stock-soft)}
.avail .mail-alt{margin:10px 0 0;text-align:center;font-size:.86rem;color:var(--ink-2)}
.avail .fine{display:block;margin-top:10px;text-align:center;color:var(--ink-2);font-size:.86rem}

.intro{padding-top:8px;padding-bottom:40px;border-bottom:1px solid var(--rule)}
.intro p{font-size:1.2rem;line-height:1.6}

/* Case index */
.index{padding-top:40px;padding-bottom:24px}
.index h2{font-size:1.15rem;margin-bottom:12px;color:var(--ink-2);font-weight:600}
.index ol{list-style:none;padding:0;margin:0;display:grid;gap:2px}
.index h3{font-family:var(--sans);font-size:.8rem;font-weight:600;letter-spacing:.06em;text-transform:uppercase;color:var(--ink-2);margin:22px 0 4px}
.index a{display:grid;grid-template-columns:1fr auto;gap:16px;padding:14px 0;border-top:1px solid var(--rule);text-decoration:none;color:var(--ink)}
.index a:hover .t{text-decoration:underline}
.index .t{font-family:var(--sans);font-weight:600;font-size:1.12rem}
.index .r{color:var(--ink-2);font-size:.98rem;text-align:right}

/* Cases */
.case{padding-top:64px;padding-bottom:24px;border-top:1px solid var(--rule)}
.case h2{font-size:clamp(1.8rem,3.6vw,2.6rem);max-width:22ch}
.case .meta{font-family:var(--sans);color:var(--ink-2);margin:10px 0 28px;font-size:1rem}
.case h3{font-size:1.05rem;margin:30px 0 8px;font-weight:600}
.quote{font-family:var(--sans);font-weight:600;font-size:clamp(1.4rem,2.8vw,1.9rem);line-height:1.25;border-left:4px solid var(--stock);padding:2px 0 2px 18px;margin:8px 0 18px;max-width:26ch}
.results li::marker{color:var(--stock)}
.pair{display:grid;grid-template-columns:1fr 1fr;gap:20px;margin:32px 0 8px}
figure{margin:0}
figure a.zoom{display:block}
figure img{border:1px solid var(--rule);border-radius:8px;background:var(--surface)}
figcaption{font-family:var(--sans);font-size:.9rem;line-height:1.45;color:var(--ink-2);margin-top:10px;max-width:60ch}
figcaption b{color:var(--ink);font-weight:600}
.single{margin:32px 0 8px;max-width:820px}
.sources{font-family:var(--sans);font-size:.88rem;color:var(--ink-2);margin-top:26px}
.sources ul{padding-left:1.1em}
.repos li{margin:.6em 0}

footer{border-top:1px solid var(--rule);margin-top:56px;padding-top:36px;padding-bottom:56px;font-family:var(--sans);color:var(--ink-2);font-size:.95rem}
footer .links{display:flex;flex-wrap:wrap;align-items:baseline;gap:18px 26px}

/* Specifications (patents) */
.specs{padding-top:64px;padding-bottom:24px;border-top:1px solid var(--rule)}
.specs h2{font-size:clamp(1.8rem,3.6vw,2.6rem)}
.spec-sub{font-family:var(--sans);color:var(--ink-2);margin:10px 0 20px;font-size:1rem}
.spec-scroll{overflow-x:auto}
.spec{width:100%;border-collapse:collapse;font-family:var(--sans);font-size:.95rem;line-height:1.4;background:var(--surface);border:1px solid var(--rule);border-radius:10px}
.spec th,.spec td{text-align:left;padding:12px 14px;border-top:1px solid var(--rule);vertical-align:top}
.spec thead th{border-top:0;color:var(--ink-2);font-weight:600;font-size:.85rem}
.spec tbody th{white-space:nowrap;font-weight:600}
.spec td:nth-child(3){white-space:nowrap}
@media (max-width:640px){.spec thead{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}.spec,.spec tbody,.spec tr,.spec th,.spec td{display:block;width:100%}.spec tr{border-top:1px solid var(--rule);padding:10px 0}.spec tbody th,.spec td{border:0;padding:2px 14px}.spec td:nth-child(3)::before{content:"Granted " / ""}.spec td:nth-child(3),.spec td:nth-child(4){display:inline-block;width:auto;color:var(--ink-2);font-size:.88rem}}
.rv-who b a{color:var(--ink);text-decoration:none}
.rv-who b a:hover{text-decoration:underline;color:var(--link)}
.rv-src{color:var(--link)}
/* Product videos */
.videos{padding-top:56px;padding-bottom:24px;border-top:1px solid var(--rule)}
.videos h2{font-size:clamp(1.8rem,3.6vw,2.6rem)}
.vid-sub{font-family:var(--sans);color:var(--ink-2);margin:10px 0 22px;font-size:1rem}
.vid-grid{display:grid;grid-template-columns:1fr 1fr;gap:20px}
.vid-play,.vid-frame{position:relative;display:block;width:100%;aspect-ratio:16/9;padding:0;border:1px solid var(--rule);border-radius:10px;overflow:hidden;background:#000;cursor:pointer}
.vid-play img{width:100%;height:100%;object-fit:cover;border:0;border-radius:0;transition:transform .3s}
.vid-play:hover img{transform:scale(1.02)}
.vid-btn{position:absolute;left:50%;top:50%;width:68px;height:68px;margin:-34px 0 0 -34px;border-radius:50%;background:var(--stock);display:grid;place-items:center;box-shadow:0 4px 18px rgba(0,0,0,.35)}
.vid-btn svg{width:30px;height:30px;fill:var(--on-stock);margin-left:4px}
.vid-dur{position:absolute;right:10px;bottom:10px;background:rgba(0,0,0,.72);color:#fff;font-family:var(--sans);font-size:.82rem;font-weight:600;padding:3px 8px;border-radius:6px}
.vid-frame iframe{position:absolute;inset:0;width:100%;height:100%;border:0}
@media (max-width:820px){.vid-grid{grid-template-columns:1fr}}
/* Ratings & Reviews */
.st{color:#f2b01e;letter-spacing:.06em;font-size:1.15em;line-height:1}
.stars{display:inline-flex;flex-wrap:wrap;align-items:center;gap:4px 10px;margin-top:12px;font-family:var(--sans);font-size:1.05rem;text-decoration:none;color:var(--link)}
.stars b{font-weight:600}
.stars .ct{text-decoration:underline;text-underline-offset:.18em}
.stars:hover b{text-decoration:underline}
.sum-stars{margin-top:8px;font-size:1.3rem}
.reviews{padding-top:64px;padding-bottom:24px;border-top:1px solid var(--rule)}
.reviews h2{font-size:clamp(1.8rem,3.6vw,2.6rem);margin-bottom:28px}
.rv-grid{display:grid;grid-template-columns:280px 1fr;gap:44px;align-items:start}
.rv-sum{position:sticky;top:20px;background:var(--surface);border:1px solid var(--rule);border-radius:14px;padding:22px;font-family:var(--sans)}
.rv-sum .big{font-size:3rem;font-weight:600;line-height:1}
.rv-sum .big span{font-size:1.05rem;font-weight:600;color:var(--ink-2)}
.rv-sum .would{margin-top:14px;font-size:1rem}
.rv-sum .would b{color:var(--stock)}
.rv-sum .bar{height:8px;border-radius:4px;background:var(--rule);margin:8px 0 14px;overflow:hidden}
.rv-sum .bar i{display:block;height:100%;width:100%;background:var(--stock)}
.rv-sum .span{font-size:.9rem;color:var(--ink-2);line-height:1.45;margin:0 0 18px}
.rv-sum .mention{font-weight:600;font-size:.92rem;margin:0 0 8px}
.rv-sum .hint{font-size:.84rem;color:var(--ink-2);margin:-4px 0 10px;line-height:1.4}
.chips{list-style:none;padding:0;margin:0 0 18px;display:flex;flex-wrap:wrap;gap:6px}
.chips li{margin:0}
.chip{font:inherit;font-size:.84rem;line-height:1.2;padding:6px 10px;border-radius:999px;background:var(--stock-soft);color:var(--ink);border:1px solid transparent;cursor:pointer;text-align:left}
.chip:hover{border-color:var(--stock)}
.chip:focus-visible{outline:2px solid var(--focus);outline-offset:2px}
.chip[aria-pressed="true"]{background:var(--stock);color:var(--on-stock)}
.chip span{color:var(--ink-2)}
.chip[aria-pressed="true"] span{color:var(--on-stock)}
.filt{font-family:var(--sans);font-size:.95rem;margin:0 0 4px;padding:10px 14px;border-radius:10px;background:var(--stock-soft)}
.filt button{font:inherit;font-weight:600;color:var(--link);background:none;border:0;padding:0;margin-left:8px;cursor:pointer;text-decoration:underline;text-underline-offset:.18em}
.rv[hidden]{display:none}
.rv-sum .nostars{font-size:.84rem;color:var(--ink-2);line-height:1.45;margin:0 0 14px}
.rv-sum .all{font-weight:600;font-size:.95rem}
.sort{font-family:var(--sans);font-size:.9rem;color:var(--ink-2);margin:0 0 4px}
.rv-list{list-style:none;padding:0;margin:0}
.rv{display:grid;grid-template-columns:200px 1fr;gap:24px;padding:24px 0;border-top:1px solid var(--rule);margin:0}
.rv-who{display:flex;gap:12px;align-items:flex-start;font-family:var(--sans);line-height:1.3}
.rv-who b{display:block;font-size:.98rem}
.rv-who span{display:block;font-size:.84rem;color:var(--ink-2);margin-top:3px}
.rv-who .av{display:grid;flex:none;width:38px;height:38px;border-radius:50%;display:grid;place-items:center;background:var(--stock-soft);color:var(--stock);font-weight:600;font-size:.85rem;margin-top:0;line-height:1}
.rv-top{display:flex;flex-wrap:wrap;gap:6px 14px;align-items:center;font-family:var(--sans);font-size:.84rem}
.rec{color:var(--stock);font-weight:600}
.rv-meta{color:var(--ink-2)}
.rv h3{font-size:1.12rem;margin:8px 0 6px}
.rv p{margin:0;line-height:1.6}
.more summary{cursor:pointer;font-family:var(--sans);font-weight:600;color:var(--link);padding:16px 0;border-top:1px solid var(--rule);list-style:none}
.more summary::-webkit-details-marker{display:none}
.more summary::after{content:" +"}
.more[open] summary::after{content:" −"}
.more[open] summary{border-bottom:0}
@media (max-width:820px){
  .rv-grid{grid-template-columns:1fr;gap:28px}
  .rv-sum{position:static}
  .rv{grid-template-columns:1fr;gap:12px}
}

@media (max-width:820px){
  .hero{grid-template-columns:1fr;gap:32px;padding-top:48px}
  .pair{grid-template-columns:1fr}
  .index a{grid-template-columns:1fr}
  .index .r{text-align:left}
}
@media (prefers-reduced-motion:no-preference){
  .avail .ok{animation:pulse 2.4s ease-out 1}
  @keyframes pulse{0%{background:var(--stock-soft)}100%{background:transparent}}
}
.skip{position:absolute;left:16px;top:-60px;z-index:10;background:var(--surface);color:var(--link);font-family:var(--sans);font-weight:600;padding:10px 14px;border-radius:8px;border:2px solid var(--focus)}
.skip:focus{top:12px}
main:focus{outline:none}
.chip[aria-pressed="true"]::before{content:"\2713\00a0" / ""}
.sr-only{position:absolute;width:1px;height:1px;margin:-1px;padding:0;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;border:0}
@media (forced-colors:active){.chip[aria-pressed="true"]{outline:3px solid Highlight;outline-offset:1px}.rv-sum .bar i{background:CanvasText}}
@media (prefers-reduced-motion:reduce){*,*::before,*::after{animation:none!important;transition:none!important;scroll-behavior:auto!important}}

.qa h2{font-size:clamp(1.8rem,3.6vw,2.6rem);margin-bottom:28px}
.qchip{font:inherit;font-size:.84rem;line-height:1.2;padding:6px 10px;border-radius:999px;background:var(--stock-soft);color:var(--ink);border:1px solid transparent;cursor:pointer}
.qchip:hover{border-color:var(--stock)}.qchip:focus-visible{outline:2px solid var(--focus);outline-offset:2px}
.qchip span{color:var(--ink-2)}.qchip[aria-pressed="true"]{background:var(--stock);color:var(--on-stock)}.qchip[aria-pressed="true"] span{color:var(--on-stock)}
.qchip[aria-pressed="true"]::before{content:"\2713\00a0" / ""}
.qa-filt{font-family:var(--sans);font-size:.9rem;color:var(--ink-2);margin:0 0 6px}
.qa-filt button{font:inherit;background:none;border:0;color:var(--link);text-decoration:underline;cursor:pointer;padding:0}
.qa-titles{list-style:none;padding:0;margin:0}
.qa-t{display:grid;grid-template-columns:28px 1fr auto;gap:10px;padding:12px 0;border-top:1px solid var(--rule);font-family:var(--sans);line-height:1.4}
.qa-gate{font-family:var(--sans);margin:14px 0 0;padding:14px 16px;border-radius:10px;background:var(--stock-soft);font-size:.95rem}
.qa-gate a{color:var(--link);font-weight:600}
.qa-list{list-style:none;padding:0;margin:0}
.qa-item{padding:22px 0;border-top:1px solid var(--rule);font-family:var(--sans)}
.qa-q,.qa-a{display:grid;grid-template-columns:28px 1fr;gap:10px;align-items:start}
.qa-q b{font-size:1.05rem;line-height:1.4}
.qa-tag{font-weight:700;color:var(--stock);font-size:1rem;line-height:1.5}
.qa-a{margin-top:10px}
.qa-a p{margin:0;color:var(--ink-2);line-height:1.55}
.qa-t[hidden],.qa-list[hidden],.qa-gate[hidden],.qa-filt[hidden]{display:none}
.qa-co{font-size:.8rem;color:var(--ink-2);white-space:nowrap;padding-top:2px}
.qa-pills{margin:10px 0 0 38px;display:flex;flex-wrap:wrap;gap:6px}.qa-pills span{font-family:var(--sans);font-size:.74rem;padding:2px 8px;border-radius:999px;border:1px solid var(--rule);color:var(--ink-2)}
@media (max-width:560px){.qa-t{grid-template-columns:28px 1fr}.qa-co{grid-column:2;padding:0}}
.qa-meta{margin:8px 0 0 38px;font-size:.84rem;color:var(--ink-2)}
.qa-meta a{color:var(--link)}
.rv-sum .btn-qa{display:block;margin-top:16px;text-align:center;background:var(--stock);color:var(--on-stock);text-decoration:none;font-weight:600;padding:12px 14px;border-radius:10px}
.rv-sum .small{font-size:.84rem;color:var(--ink-2);margin:10px 0 0;line-height:1.45}

.case h1{font-size:clamp(1.8rem,3.6vw,2.6rem);max-width:22ch}
.topbar{padding-top:22px;font-family:var(--sans);font-size:.95rem}
.topbar a{color:var(--ink-2);text-decoration:none}
.topbar a:hover{text-decoration:underline}
.pn{display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;font-family:var(--sans);padding-top:28px;padding-bottom:8px}
.pn a{color:var(--link)}