:root{
  --ink:#1b2340;--muted:#5a6384;--bg:#fffaf0;--card:#ffffff;--line:#e6e0d0;
  --brand:#2f6fd6;--brand-dark:#1f4fa3;--sun:#ffd34d;--radius:16px;
}
@media (prefers-color-scheme:dark){
  :root{--ink:#f2f0ea;--muted:#aeb4cc;--bg:#141a2e;--card:#1d2540;--line:#2f3a5e;--brand:#7ab0ff;--brand-dark:#a8c9ff}
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--bg);color:var(--ink);font:17px/1.65 system-ui,-apple-system,"Segoe UI",Roboto,sans-serif}
img{max-width:100%;height:auto;display:block}
a{color:var(--brand)}
a:hover{color:var(--brand-dark)}
:focus-visible{outline:3px solid var(--brand);outline-offset:3px;border-radius:4px}
.wrap{max-width:1020px;margin:0 auto;padding:0 20px}
.skip{position:absolute;left:-999px;top:8px;background:var(--card);padding:8px 14px;border-radius:8px;z-index:10}
.skip:focus{left:8px}
header.site{background:var(--card);border-bottom:1px solid var(--line)}
header.site .wrap{display:flex;align-items:center;gap:20px;flex-wrap:wrap;padding-top:10px;padding-bottom:10px}
header.site .logo img{height:64px;width:auto}
nav.main{display:flex;gap:6px;flex-wrap:wrap;margin-left:auto}
nav.main a{text-decoration:none;color:var(--ink);padding:8px 14px;border-radius:999px;font-weight:600}
nav.main a:hover,nav.main a[aria-current="page"]{background:var(--brand);color:#fff}
main{padding:36px 0 60px}
h1{font-size:clamp(2rem,5vw,3rem);line-height:1.15;margin:0 0 14px}
h2{font-size:1.6rem;line-height:1.25;margin:2.2em 0 .5em}
h3{font-size:1.2rem;margin:1.6em 0 .4em}
p,ul,ol{margin:0 0 1em}
li{margin-bottom:.35em}
.lead{font-size:1.25rem;color:var(--muted);max-width:44em}
.hero{display:grid;grid-template-columns:1.1fr .9fr;gap:36px;align-items:center;padding:12px 0 8px}
.hero img{border-radius:var(--radius);box-shadow:0 14px 40px rgba(20,30,70,.18)}
.btn{display:inline-block;background:var(--brand);color:#fff;text-decoration:none;padding:12px 22px;border-radius:999px;font-weight:700;border:2px solid var(--brand)}
.btn:hover{background:var(--brand-dark);border-color:var(--brand-dark);color:#fff}
.btn.alt{background:transparent;color:var(--brand)}
.btn.alt:hover{background:var(--brand);color:#fff}
.actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:20px}
.cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:22px;margin-top:20px}
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:22px;box-shadow:0 4px 16px rgba(20,30,70,.06)}
.card h2,.card h3{margin-top:0}
.card img{border-radius:12px;margin-bottom:14px}
.note{background:var(--card);border-left:5px solid var(--sun);padding:14px 18px;border-radius:10px;margin:1.2em 0}
table{border-collapse:collapse;width:100%;margin:1em 0;background:var(--card);border-radius:12px;overflow:hidden}
th,td{padding:10px 14px;text-align:left;border-bottom:1px solid var(--line);vertical-align:top}
th{background:rgba(47,111,214,.1)}
.doc{max-width:46em}
.doc h2{border-top:1px solid var(--line);padding-top:1.2em}
.doc h2:first-of-type{border-top:0;padding-top:0}
.meta{color:var(--muted);font-size:.95rem}
footer.site{border-top:1px solid var(--line);background:var(--card);padding:28px 0;color:var(--muted);font-size:.95rem}
footer.site .wrap{display:flex;gap:18px;flex-wrap:wrap;justify-content:space-between}
footer.site a{color:var(--muted)}
.cover{max-width:300px}
@media (max-width:760px){.hero{grid-template-columns:1fr}nav.main{margin-left:0}}
nav.lang{display:flex;gap:4px;font-size:.9rem}
nav.lang a{color:var(--muted);text-decoration:none;padding:4px 10px;border-radius:999px;border:1px solid var(--line)}
nav.lang a[aria-current="true"]{background:var(--ink);color:var(--card);border-color:var(--ink)}
nav.lang a:hover{border-color:var(--brand)}


.gallery{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:18px;margin:14px 0}
.gallery figure{margin:0}
.gallery img,.shot{border-radius:12px;border:1px solid var(--line);box-shadow:0 6px 20px rgba(20,30,70,.12);width:100%;height:auto}
.gallery figcaption{font-size:.9rem;color:var(--muted);margin-top:6px}
.shot{margin:12px 0 4px;max-width:760px}
h2 small{font-weight:400}
form.contact{display:grid;gap:14px;max-width:560px}
form.contact label{display:grid;gap:4px;font-weight:600}
form.contact input,form.contact select,form.contact textarea{font:inherit;padding:10px 12px;border:2px solid var(--line);border-radius:10px;background:var(--card);color:var(--ink);width:100%}
form.contact textarea{resize:vertical}
form.contact .hp{position:absolute;left:-9999px;width:1px;height:1px;overflow:hidden}
form.contact button{justify-self:start;cursor:pointer;font:inherit;font-weight:700}
.note--bad{border-left-color:#e0152b}
[hidden]{display:none !important}

.store-buttons{display:flex;gap:12px;flex-wrap:wrap;margin:16px 0}
.btn.store{display:inline-flex;align-items:center;gap:10px}
.btn.store.is-soon{background:var(--line);border-color:var(--line);color:var(--muted);cursor:not-allowed;pointer-events:none}
.btn.store.alt:not(.is-soon){background:transparent;color:var(--brand)}
.btn.store.alt:not(.is-soon):hover{background:var(--brand);color:#fff}

/* ---- screenshot slideshow */
.viewer{margin:14px 0 26px;max-width:940px}
.viewer:focus-visible{outline:3px solid var(--brand);outline-offset:6px;border-radius:16px}
.viewer__stage{position:relative;border-radius:16px;overflow:hidden;background:#101830;box-shadow:0 12px 34px rgba(20,30,70,.22);aspect-ratio:1000/694}
.viewer__open{display:block;width:100%;height:100%;line-height:0}
.viewer__img{display:block;width:100%;height:100%;object-fit:cover;object-position:top center;background:#fff}
.viewer__title{position:absolute;left:0;right:0;bottom:0;display:flex;justify-content:space-between;align-items:flex-end;gap:16px;padding:44px 20px 16px;color:#fff;font-weight:700;font-size:1.05rem;line-height:1.3;background:linear-gradient(to top,rgba(10,16,40,.9),rgba(10,16,40,.55) 60%,rgba(10,16,40,0));pointer-events:none}
.viewer__count{flex:0 0 auto;font-weight:600;font-size:.9rem;opacity:.85;background:rgba(255,255,255,.18);border-radius:999px;padding:2px 12px}
.viewer__nav{position:absolute;top:50%;transform:translateY(-50%);width:52px;height:52px;border-radius:50%;border:2px solid rgba(255,255,255,.9);background:rgba(10,16,40,.72);color:#fff;cursor:pointer;display:grid;place-items:center;padding:0;box-shadow:0 4px 14px rgba(0,0,0,.35);transition:background .15s,transform .15s}
.viewer__nav:hover{background:var(--brand);transform:translateY(-50%) scale(1.08)}
.viewer__nav:focus-visible{outline:3px solid #fff;outline-offset:3px}
.viewer__prev{left:14px}.viewer__next{right:14px}
.viewer__thumbs{display:flex;gap:10px;margin-top:12px;overflow-x:auto;padding:4px 2px 10px;scroll-snap-type:x proximity}
.viewer__thumb{flex:0 0 auto;width:120px;aspect-ratio:1000/694;padding:0;border:3px solid transparent;border-radius:10px;overflow:hidden;background:var(--card);cursor:pointer;line-height:0;opacity:.7;scroll-snap-align:center;transition:opacity .15s,border-color .15s}
.viewer__thumb img{width:100%;height:100%;object-fit:cover;object-position:top center;display:block}
.viewer__thumb:hover,.viewer__thumb.is-on{opacity:1}
.viewer__thumb.is-on{border-color:var(--brand)}
@media (max-width:560px){.viewer__nav{width:42px;height:42px}.viewer__prev{left:8px}.viewer__next{right:8px}.viewer__title{padding:32px 12px 10px;font-size:.92rem}.viewer__thumb{width:92px}}
.doc .shot{margin:1.4em 0}
.doc .shot img{display:block;width:100%;height:auto;border-radius:14px;border:1px solid var(--line)}
.video{margin:1.2em 0}
.video video{display:block;width:100%;height:auto;aspect-ratio:16/9;border-radius:14px;background:#000}

/* home page: every product with its picture */
.kicker{font-weight:700;letter-spacing:.04em;text-transform:uppercase;font-size:.82rem;color:var(--brand);margin:0 0 .3em}
.intro{padding:6px 0 10px}
.chips{display:flex;gap:10px;flex-wrap:wrap;margin:18px 0 0}
.chips a{text-decoration:none;font-weight:600;background:var(--card);border:1px solid var(--line);color:var(--ink);padding:8px 16px;border-radius:999px}
.chips a:hover{background:var(--brand);border-color:var(--brand);color:#fff}
.product{display:grid;grid-template-columns:1.05fr .95fr;gap:40px;align-items:center;margin:56px 0;scroll-margin-top:16px}
.product--flip .product__img{order:2}
.product__img img{width:100%;height:auto;border-radius:var(--radius);box-shadow:0 14px 40px rgba(20,30,70,.18)}
.product__img--book{display:flex;justify-content:center}
.product__img--book img{width:min(320px,100%)}
.product__text h2{margin-top:0}
.product__text h2 a{color:inherit;text-decoration:none}
.product__text h2 a:hover{color:var(--brand)}
.ticks{list-style:none;padding:0;margin:0 0 1em}
.ticks li{padding-left:1.6em;position:relative}
.ticks li::before{content:"\2713";position:absolute;left:0;color:var(--brand);font-weight:700}
.new{display:inline-block;background:var(--sun);color:#1b2340;font-weight:700;font-size:.78rem;padding:2px 10px;border-radius:999px;margin-left:8px;vertical-align:middle;text-transform:none;letter-spacing:0}
@media (max-width:760px){.product{grid-template-columns:1fr;gap:20px;margin:40px 0}.product--flip .product__img{order:0}}