:root{
  --ink:#14243a;
  --ink-2:#3a4b61;
  --mist:#e9eef3;
  --paper:#f7f9fb;
  --flame:#2b5cff;
  --flame-deep:#1b3fc4;
  --amber:#f0a22e;
  --alarm:#d6392b;
  --line:#c9d3de;
  --radius-s:6px;
  --radius-l:22px;
  --measure:68ch;
  --step--1:clamp(.84rem,.82rem + .1vw,.9rem);
  --step-0:clamp(1rem,.97rem + .15vw,1.08rem);
  --step-1:clamp(1.2rem,1.12rem + .4vw,1.4rem);
  --step-2:clamp(1.5rem,1.3rem + .9vw,2rem);
  --step-3:clamp(2rem,1.6rem + 2vw,3.1rem);
  --step-4:clamp(2.7rem,1.8rem + 4.4vw,5.6rem);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:84px}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}}
body{margin:0;font-family:"Schibsted Grotesk",system-ui,sans-serif;font-size:var(--step-0);line-height:1.55;color:var(--ink);background:var(--paper);-webkit-font-smoothing:antialiased}
img,svg{max-width:100%;display:block}
a{color:var(--flame-deep);text-underline-offset:.18em;text-decoration-thickness:1px}
a:hover{text-decoration-thickness:2px}
:focus-visible{outline:3px solid var(--amber);outline-offset:3px;border-radius:4px}
h1,h2,h3{line-height:1.08;letter-spacing:-.02em;margin:0 0 .5em;font-weight:800}
h2{font-size:var(--step-3)}
h3{font-size:var(--step-1);letter-spacing:-.01em;font-weight:700}
p{margin:0 0 1em;max-width:var(--measure)}
.wrap{width:min(1400px,100% - 2.5rem);margin-inline:auto}
.skip{position:absolute;left:-999px;top:0;background:var(--ink);color:#fff;padding:.6rem 1rem;z-index:100}
.skip:focus{left:1rem;top:1rem}
.tnum{font-variant-numeric:tabular-nums}

/* header */
.top{position:sticky;top:0;z-index:50;background:rgba(247,249,251,.92);backdrop-filter:blur(8px);border-bottom:1px solid var(--line)}
.top .wrap{display:flex;align-items:center;gap:1.5rem;height:64px}
.logo{display:flex;align-items:center;gap:.55rem;font-weight:800;color:var(--ink);text-decoration:none;font-size:1.08rem;letter-spacing:-.01em}
.logo-mark{width:30px;height:30px;border-radius:50%;background:var(--ink);color:#fff;display:grid;place-items:center;font-size:.78rem;font-weight:800}
.nav{display:flex;gap:1.2rem;margin-left:auto}
.nav a{color:var(--ink-2);text-decoration:none;font-size:.95rem}
.nav a:hover{color:var(--ink)}
.btn{white-space:nowrap;display:inline-flex;align-items:center;gap:.5rem;padding:.72rem 1.15rem;border-radius:999px;font-weight:700;text-decoration:none;font-size:.97rem;border:2px solid transparent;cursor:pointer;font-family:inherit}
.btn-primary{background:var(--flame);color:#fff}
.btn-primary:hover{background:var(--flame-deep)}
.btn-ghost{border-color:currentColor;color:inherit}

@media (max-width:480px){.top .btn{padding:.55rem .9rem;font-size:.88rem}.logo{font-size:.95rem}.hero .btn{white-space:normal}}

/* hero */
.hero{background:var(--ink);color:#fff;overflow:hidden;position:relative}
.hero .wrap{display:grid;grid-template-columns:1.45fr .8fr;gap:3rem;align-items:center;padding-block:clamp(3.5rem,8vw,7rem)}
.hero h1{font-size:var(--step-4);font-weight:900;letter-spacing:-.035em;line-height:.98;margin-bottom:.4em}
.hero h1 .fade{display:block;color:rgba(255,255,255,.3)}
.hero .lead{font-size:var(--step-1);color:#c9d6e6;max-width:34ch;line-height:1.45}
.hero .actions{display:flex;flex-wrap:wrap;gap:.8rem;margin-top:1.8rem}
.hero .btn-ghost{color:#fff}
@media (max-width:860px){.hero .wrap{grid-template-columns:1fr}}

/* detector device */
.device{justify-self:center;width:min(330px,100%);aspect-ratio:1/1.08;background:linear-gradient(160deg,#fdfdfd,#dfe5ec);border-radius:40px;box-shadow:0 30px 60px rgba(0,0,0,.35),inset 0 -6px 0 rgba(0,0,0,.06);padding:28px;display:flex;flex-direction:column;gap:18px;color:var(--ink);position:relative}
.device-brand{display:flex;justify-content:space-between;font-size:.8rem;font-weight:700;color:#5d6c7e}
.lcd{flex:1;border-radius:16px;background:#0f2a5c;color:#bcd3ff;padding:18px 20px;display:flex;flex-direction:column;justify-content:space-between;box-shadow:inset 0 0 0 3px #0a1d40;transition:background .3s}
.lcd-label{font-size:.82rem;opacity:.8}
.lcd-value{font-size:4.2rem;font-weight:800;line-height:1;letter-spacing:-.03em}
.lcd-value small{font-size:1.1rem;font-weight:600;margin-left:.3rem;letter-spacing:0}
.lcd-row{display:flex;justify-content:space-between;font-size:.88rem}
.device-foot{display:flex;align-items:center;justify-content:space-between}
.led{width:14px;height:14px;border-radius:50%;background:#7fcf8a;box-shadow:0 0 0 3px rgba(127,207,138,.25)}
.grille{display:flex;gap:5px}
.grille i{display:block;width:26px;height:5px;border-radius:3px;background:#c4ccd6}
.device.is-alarm .lcd{background:#7a1a12;color:#ffd9d3;box-shadow:inset 0 0 0 3px #4d0e09}
.device.is-alarm .led{background:var(--alarm);box-shadow:0 0 0 6px rgba(214,57,43,.35);animation:blink .7s steps(2) infinite}
@keyframes blink{50%{opacity:.25}}
.device-caption{font-size:.9rem;color:#9fb2c9;margin-top:1rem;text-align:center;max-width:32ch;justify-self:center}
.device-col{display:grid;justify-items:center}

/* facts */
.facts{border-bottom:1px solid var(--line);background:#fff}
.facts .wrap{display:grid;grid-template-columns:repeat(3,1fr);gap:0}
.fact{padding:2rem 1.5rem 2rem 0}
.fact + .fact{padding-left:1.5rem;border-left:1px solid var(--line)}
.fact b{display:block;font-size:var(--step-2);font-weight:800;letter-spacing:-.02em;line-height:1.1;margin-bottom:.3rem}
.fact span{color:var(--ink-2);font-size:.95rem}
@media (max-width:760px){.facts .wrap{grid-template-columns:1fr}.fact,.fact + .fact{padding:1.3rem 0;border-left:0}.fact + .fact{border-top:1px solid var(--line)}}

section{padding-block:clamp(3.5rem,7vw,6rem)}
.intro{display:grid;grid-template-columns:1fr 1fr;gap:3.5rem;align-items:start}
.intro p{font-size:var(--step-0)}
@media (max-width:860px){.intro{grid-template-columns:1fr;gap:1.5rem}}
.sources{list-style:none;padding:0;margin:0;border-top:1px solid var(--line)}
.sources li{display:grid;grid-template-columns:2.2rem 1fr;gap:.8rem;padding:.9rem 0;border-bottom:1px solid var(--line);align-items:start}
.sources svg{width:28px;height:28px;color:var(--flame)}
.sources strong{display:block}
.sources span{color:var(--ink-2);font-size:.95rem}

/* ppm explorer */
.explorer{background:var(--mist)}
.explorer-head{display:flex;justify-content:space-between;align-items:end;gap:2rem;flex-wrap:wrap;margin-bottom:2rem}
.explorer-head p{margin:0;color:var(--ink-2)}
.panel{background:#fff;border-radius:var(--radius-l);padding:clamp(1.4rem,3vw,2.6rem);display:grid;grid-template-columns:.85fr 1.15fr;gap:2.5rem;box-shadow:0 1px 0 var(--line)}
@media (max-width:860px){.panel{grid-template-columns:1fr}}
.reading{display:flex;flex-direction:column;justify-content:space-between;gap:1.5rem}
.ppm-big{font-size:clamp(4rem,9vw,7rem);font-weight:900;letter-spacing:-.05em;line-height:.9;transition:color .25s}
.ppm-big small{font-size:.22em;letter-spacing:0;font-weight:700;margin-left:.3rem;color:var(--ink-2)}
.meter{height:12px;border-radius:999px;background:linear-gradient(90deg,#7fcf8a 0%,#f0d03a 30%,var(--amber) 50%,var(--alarm) 75%,#5a0c06 100%);position:relative}
.meter-dot{position:absolute;top:50%;width:22px;height:22px;border-radius:50%;background:#fff;border:4px solid var(--ink);transform:translate(-50%,-50%);transition:left .25s}
input[type=range]{width:100%;margin:0;accent-color:var(--ink);height:32px;cursor:pointer}
.ticks{display:flex;justify-content:space-between;font-size:.78rem;color:var(--ink-2)}
.effect h3{font-size:var(--step-2);margin-bottom:.4em}
.effect p{color:var(--ink-2)}
.status{display:flex;gap:.9rem;align-items:flex-start;padding:1rem 1.1rem;border-radius:var(--radius-s);background:var(--mist);margin-top:1.2rem}
.status-dot{flex:none;width:12px;height:12px;border-radius:50%;margin-top:.45rem;background:#7fcf8a}
.status.warn .status-dot{background:var(--amber)}
.status.alarm{background:#fde8e5}
.status.alarm .status-dot{background:var(--alarm)}
.status p{margin:0;color:var(--ink)}
.footnote{font-size:var(--step--1);color:var(--ink-2);margin-top:1.4rem}

/* placement */
.place{display:grid;grid-template-columns:1.1fr .9fr;gap:3rem;align-items:start}
@media (max-width:900px){.place{grid-template-columns:1fr}}
.plan{background:#fff;border:1px solid var(--line);border-radius:var(--radius-l);padding:1rem}
.plan svg text{font-family:"Schibsted Grotesk",sans-serif}
.pin{cursor:pointer}
.pin circle.ring{fill:var(--flame);opacity:.15}
.pin circle.core{fill:var(--flame)}
.pin.on circle.core{fill:var(--amber)}
.pin.on circle.ring{fill:var(--amber);opacity:.3}
.pin:focus{outline:none}
.pin:focus-visible circle.ring{stroke:var(--ink);stroke-width:3;opacity:1;fill:rgba(240,162,46,.3)}
.room-info{border-left:4px solid var(--amber);padding:.2rem 0 .2rem 1.2rem;min-height:9rem}
.room-info h3{margin-bottom:.3em}
.rules{list-style:none;padding:0;margin:2rem 0 0}
.rules li{padding:.7rem 0 .7rem 1.8rem;border-top:1px solid var(--line);position:relative}
.rules li::before{content:"";position:absolute;left:0;top:1.15rem;width:12px;height:12px;border-radius:3px;background:var(--flame)}
.rules li.no::before{background:var(--alarm);border-radius:50%}

/* products */
.products{background:var(--ink);color:#fff}
.products h2{color:#fff}
.products .sub{color:#c9d6e6;font-size:var(--step-1);max-width:50ch}
.lineup{display:grid;grid-template-columns:1.3fr 1fr;gap:1.4rem;margin-top:2.5rem}
@media (max-width:900px){.lineup{grid-template-columns:1fr}}
.prod{background:#1d3150;border-radius:var(--radius-l);padding:1.8rem;display:flex;flex-direction:column;gap:1rem}
.prod.feature{grid-row:span 3;background:#fff;color:var(--ink)}
.prod .tag{align-self:flex-start;font-size:.85rem;font-weight:700;padding:.25rem .7rem;border-radius:999px;background:rgba(255,255,255,.12);color:#dbe6f4}
.prod.feature .tag{background:var(--mist);color:var(--flame-deep)}
.prod h3{font-size:var(--step-2);margin:0}
.prod:not(.feature) h3{font-size:var(--step-1)}
.prod p{margin:0;color:#c9d6e6}
.prod.feature p{color:var(--ink-2)}
.specs{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:1fr 1fr;gap:0}
.specs li{padding:.8rem 0;border-top:1px solid var(--line);font-size:.95rem}
.specs li b{display:block;font-size:1.25rem;letter-spacing:-.01em}
.prod .links{display:flex;flex-wrap:wrap;gap:.7rem;margin-top:auto;padding-top:.6rem}
.prod:not(.feature) .btn-ghost{color:#fff}
.prod a.inline{color:#a9c2ff}
.feature-art{display:flex;justify-content:center;padding:1rem 0}
.more{margin-top:2.5rem;display:grid;grid-template-columns:repeat(3,1fr);gap:1.4rem;border-top:1px solid rgba(255,255,255,.18);padding-top:2rem}
.more a{color:#fff;font-weight:700;text-decoration:none;display:block;margin-bottom:.3rem}
.more a:hover{text-decoration:underline}
.more span{color:#9fb2c9;font-size:.95rem}
@media (max-width:760px){.more{grid-template-columns:1fr}}

/* emergency */
.emergency .wrap{display:grid;grid-template-columns:.8fr 1.2fr;gap:3rem}
@media (max-width:900px){.emergency .wrap{grid-template-columns:1fr}}
.call{background:var(--alarm);color:#fff;border-radius:var(--radius-l);padding:2rem;align-self:start;position:sticky;top:90px}
.call h2{color:#fff;font-size:var(--step-2)}
.nums{display:grid;grid-template-columns:repeat(3,1fr);gap:.8rem;margin-top:1.2rem}
.nums a{display:block;background:rgba(0,0,0,.18);border-radius:var(--radius-s);padding:.9rem .6rem;color:#fff;text-decoration:none;text-align:center}
.nums b{display:block;font-size:2rem;font-weight:900;line-height:1}
.nums span{font-size:.8rem}
.steps{list-style:none;counter-reset:s;padding:0;margin:0}
.steps li{counter-increment:s;display:grid;grid-template-columns:3rem 1fr;gap:1rem;padding:1.2rem 0;border-bottom:1px solid var(--line)}
.steps li::before{content:counter(s);width:2.4rem;height:2.4rem;border-radius:50%;border:2px solid var(--ink);display:grid;place-items:center;font-weight:800}
.steps h3{margin:.25rem 0 .3rem}
.steps p{margin:0;color:var(--ink-2)}
.cpr{margin-top:2.5rem;background:var(--mist);border-radius:var(--radius-l);padding:1.6rem 1.8rem}
.cpr-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:1rem;margin-top:1rem}
.cpr-grid b{display:block;font-size:var(--step-2);line-height:1}
.cpr-grid span{font-size:.92rem;color:var(--ink-2)}

/* checklist */
.check{background:var(--mist)}
.check .wrap{display:grid;grid-template-columns:.9fr 1.1fr;gap:3rem;align-items:start}
@media (max-width:900px){.check .wrap{grid-template-columns:1fr}}
.score{font-size:var(--step-4);font-weight:900;letter-spacing:-.04em;line-height:1}
.score-text{color:var(--ink-2);min-height:3em}
.list{list-style:none;padding:0;margin:0;background:#fff;border-radius:var(--radius-l);overflow:hidden}
.list li + li{border-top:1px solid var(--line)}
.list label{display:grid;grid-template-columns:1.6rem 1fr;gap:.9rem;padding:1rem 1.3rem;cursor:pointer}
.list input{width:1.3rem;height:1.3rem;margin:.15rem 0 0;accent-color:var(--flame)}
.list small{display:block;color:var(--ink-2);font-size:.9rem}
.list a{font-weight:600}

/* faq */
.faq .wrap{display:grid;grid-template-columns:.7fr 1.3fr;gap:3rem}
@media (max-width:900px){.faq .wrap{grid-template-columns:1fr;gap:1rem}}
details{border-top:1px solid var(--line)}
details:last-child{border-bottom:1px solid var(--line)}
summary{list-style:none;cursor:pointer;padding:1.15rem 2.5rem 1.15rem 0;font-weight:700;font-size:var(--step-1);position:relative}
summary::-webkit-details-marker{display:none}
summary::after{content:"";position:absolute;right:.4rem;top:50%;width:12px;height:12px;border-right:2.5px solid var(--ink);border-bottom:2.5px solid var(--ink);transform:translateY(-70%) rotate(45deg);transition:transform .2s}
details[open] summary::after{transform:translateY(-30%) rotate(225deg)}
details .ans{padding:0 0 1.3rem;color:var(--ink-2)}

/* articles */
.articles{border-top:1px solid var(--line)}
.art-list{display:grid;grid-template-columns:repeat(auto-fit,minmax(210px,1fr));gap:0;border-top:2px solid var(--ink);margin-top:1.5rem}
.art-list a{padding:1.2rem 1.2rem 1.4rem 0;text-decoration:none;color:var(--ink);border-bottom:1px solid var(--line);font-weight:700;font-size:var(--step-1);line-height:1.25}
.art-list a span{display:block;font-weight:400;font-size:.95rem;color:var(--ink-2);margin-top:.4rem}
.art-list a:hover{color:var(--flame-deep)}

footer{background:var(--ink);color:#9fb2c9;padding-block:3rem;font-size:.94rem}
footer .wrap{display:grid;grid-template-columns:1.2fr 1fr 1fr;gap:2rem}
footer h4{color:#fff;margin:0 0 .8rem;font-size:1rem}
footer ul{list-style:none;padding:0;margin:0}
footer li{margin-bottom:.45rem}
footer a{color:#dbe6f4}
footer .legal{grid-column:1/-1;border-top:1px solid rgba(255,255,255,.14);padding-top:1.5rem;font-size:.85rem}
@media (max-width:760px){footer .wrap{grid-template-columns:1fr}}

/* ---------- autorun posuvníku ---------- */
.ppm-control{display:flex;justify-content:space-between;align-items:center;gap:1rem;margin:1rem 0 .2rem}
.ppm-control .footnote{margin:0}
.autoplay{display:inline-flex;align-items:center;gap:.45rem;border:1.5px solid var(--line);background:#fff;border-radius:999px;padding:.35rem .8rem;font:inherit;font-size:.85rem;font-weight:700;color:var(--ink);cursor:pointer;white-space:nowrap}
.autoplay:hover{border-color:var(--ink)}
.autoplay-icon{width:10px;height:12px;display:inline-block;border-left:3px solid currentColor;border-right:3px solid currentColor}
.autoplay[aria-pressed="false"] .autoplay-icon{border:0;width:0;height:0;border-top:6px solid transparent;border-bottom:6px solid transparent;border-left:10px solid currentColor}
.autoplay-hint{font-size:var(--step--1);color:var(--ink-2);margin:.6rem 0 0;transition:opacity .3s}
.autoplay-hint.is-hidden{opacity:0}
.panel.is-auto input[type=range]{animation:nudge 1.6s ease-in-out infinite}
@keyframes nudge{50%{filter:drop-shadow(0 0 6px rgba(43,92,255,.45))}}
@media (prefers-reduced-motion:reduce){.panel.is-auto input[type=range]{animation:none}}

/* ---------- podstránky ---------- */
.preview-bar{background:var(--amber);color:var(--ink);text-align:center;font-weight:700;padding:.5rem}
.nav a[aria-current="page"]{color:var(--ink);font-weight:700}
.page-hero{background:var(--ink);color:#fff;padding-block:clamp(2.8rem,6vw,5rem)}
.page-hero h1{font-size:var(--step-4);font-weight:900;letter-spacing:-.035em;line-height:1;max-width:16ch}
.page-hero .lead{font-size:var(--step-1);color:#c9d6e6;max-width:56ch;line-height:1.45}
.page-hero a{color:#a9c2ff}
.crumbs{display:flex;gap:.5rem;font-size:.9rem;color:#9fb2c9;margin-bottom:1.5rem}
.crumbs a{color:#c9d6e6}
.topics{list-style:none;padding:0;margin:2.5rem 0 0;display:grid;grid-template-columns:repeat(auto-fill,minmax(250px,1fr));gap:0;border:1px solid rgba(255,255,255,.14);border-radius:var(--radius-l);overflow:hidden}
.topics li{box-shadow:0 0 0 .5px rgba(255,255,255,.16)}
.topics a{display:grid;grid-template-columns:2.4rem 1fr;column-gap:.8rem;padding:1.2rem 1.3rem;background:var(--ink);color:#fff;text-decoration:none;height:100%}
.topics a:hover{background:#1d3150}
.topic-icon{width:30px;height:30px;color:var(--amber);grid-row:span 2}
.topic-title{font-weight:800;font-size:1.08rem;line-height:1.25}
.topic-sum{color:#9fb2c9;font-size:.9rem;line-height:1.4;margin-top:.25rem}

.article-grid{display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:4rem;align-items:start;padding-block:clamp(2.5rem,6vw,4.5rem)}
.page-body .article-grid{padding-block:0}
@media (max-width:980px){.article-grid{grid-template-columns:1fr;gap:2.5rem}}
.side{position:sticky;top:90px;display:grid;gap:1.2rem}
@media (max-width:980px){.side{position:static}.rady-side .toc{display:none}}
.toc{border-left:2px solid var(--line);padding-left:1.1rem}
.toc-title{font-weight:800;margin-bottom:.6rem}
.toc ol{list-style:none;margin:0;padding:0}
.toc li{margin:.15rem 0}
.toc a{display:block;padding:.3rem 0;color:var(--ink-2);text-decoration:none;font-size:.95rem;line-height:1.35}
.toc a:hover{color:var(--ink)}
.toc a.is-active{color:var(--flame-deep);font-weight:700;margin-left:-1.25rem;padding-left:1.1rem;border-left:3px solid var(--flame)}
.side-card{background:var(--mist);border-radius:var(--radius-l);padding:1.4rem}
.side-card h3{margin-bottom:.4rem}
.side-card p{font-size:.95rem;color:var(--ink-2)}
.side-kicker{font-size:.88rem;font-weight:700;color:var(--flame-deep);margin-bottom:.4rem}
.side-card .btn{width:100%;justify-content:center;white-space:normal;text-align:center}
.side-link{display:block;text-align:center;margin-top:.7rem;font-size:.92rem}
.side-call{border:2px solid var(--alarm);border-radius:var(--radius-l);padding:1.1rem 1.3rem;font-size:.95rem}
.side-call p{margin:0}
.side-call a{color:var(--alarm);font-weight:800}

.topic{padding:0 0 3.5rem;margin:0 0 3.5rem;border-bottom:1px solid var(--line);scroll-margin-top:90px}
.topic:last-child{border-bottom:0;margin-bottom:0}
.topic-head{display:flex;align-items:center;gap:1rem;margin-bottom:1.2rem}
.topic-head h2{margin:0;font-size:var(--step-3)}
.topic-head-icon{flex:none;width:52px;height:52px;padding:11px;border-radius:50%;background:var(--ink);color:var(--amber)}
.prose{font-size:1.06rem;line-height:1.65}
.prose p,.prose ul,.prose ol{max-width:var(--measure)}
.prose h3{font-size:var(--step-1);margin:2rem 0 .6rem}
.prose ul,.prose ol{padding-left:1.3rem;margin:0 0 1.2em}
.prose li{margin-bottom:.45em}
.prose li::marker{color:var(--flame)}
.prose strong{font-weight:700}
.prose blockquote,.prose .note{margin:1.6rem 0;padding:1.1rem 1.3rem;background:var(--mist);border-left:4px solid var(--flame);border-radius:0 var(--radius-s) var(--radius-s) 0;max-width:var(--measure)}
.prose .note.warn{border-left-color:var(--alarm);background:#fdf0ee}
.prose .note p:last-child,.prose blockquote p:last-child{margin-bottom:0}
.prose table{width:100%;max-width:var(--measure);border-collapse:collapse;margin:1.4rem 0;font-size:.96rem}
.prose th,.prose td{text-align:left;padding:.65rem .8rem .65rem 0;border-bottom:1px solid var(--line);vertical-align:top}
.prose th{font-weight:800;border-bottom:2px solid var(--ink)}
.prose td:first-child{font-weight:700;white-space:nowrap;font-variant-numeric:tabular-nums}
.table-scroll{overflow-x:auto}
.embed{margin-top:2rem}
.embed .panel{grid-template-columns:1fr;gap:1.6rem;background:var(--mist);box-shadow:none}
.embed-call .call{position:static;max-width:520px}
.embed-products .lineup{grid-template-columns:1fr;margin-top:0}
.embed-products .prod{background:var(--ink);color:#fff}
.embed-products .prod .btn-ghost{color:#fff}
.faq-list details:first-child{border-top:0}
.rady-cta{margin-top:0}

/* mobilní přetečení */
@media (max-width:980px){.article-grid{grid-template-columns:minmax(0,1fr)}}
@media (max-width:900px){.lineup{grid-template-columns:minmax(0,1fr)}}
.prod .btn,.side-card .btn{white-space:normal;text-align:center}
.topic-head h2{min-width:0;overflow-wrap:anywhere}
@media (max-width:600px){.topic-head-icon{width:42px;height:42px;padding:9px}.prose td:first-child{white-space:normal}}

/* ---------- obrázky a videa ---------- */
.media{margin:0}
.media img,.media video{display:block;width:100%;height:auto;border-radius:var(--radius-l);background:var(--mist)}
.media figcaption{font-size:var(--step--1);color:var(--ink-2);margin-top:.6rem}
.media-frame{position:relative}
.media-toggle{position:absolute;right:12px;bottom:12px;width:40px;height:40px;border-radius:50%;border:0;background:rgba(20,36,58,.72);color:#fff;cursor:pointer;display:grid;place-items:center}
.media-toggle:hover{background:var(--ink)}
.media-toggle span{width:10px;height:12px;border-left:3px solid #fff;border-right:3px solid #fff}
.media-toggle[data-state="paused"] span{border:0;width:0;height:0;border-top:7px solid transparent;border-bottom:7px solid transparent;border-left:11px solid #fff;margin-left:3px}
.intro-media{margin-top:2rem}
.intro-media img{max-width:440px}
.topic-media{margin:0 0 1.6rem}
.topic-media img,.topic-media video{max-height:520px;object-fit:cover}
.feature-art img{width:100%;max-width:440px;height:auto;margin-inline:auto}
.side-img{width:100%;height:auto;margin:.2rem 0 .8rem}
.video-band{margin-top:3rem;border-top:1px solid rgba(255,255,255,.18);padding-top:2rem}
.video-band h3{color:#fff;font-size:var(--step-2)}
.video-grid{display:grid;grid-template-columns:1fr 1fr;gap:1.4rem}
.video-grid figcaption{color:#c9d6e6}
@media (max-width:760px){.video-grid{grid-template-columns:1fr}}

/* ---------- článek se střídavými bloky ---------- */
.a-index{list-style:none;counter-reset:ai;padding:0;margin:2.2rem 0 0;display:flex;flex-wrap:wrap;gap:.5rem}
.a-index a{display:inline-block;padding:.45rem .9rem;border:1px solid rgba(255,255,255,.22);border-radius:999px;color:#dbe6f4;text-decoration:none;font-size:.93rem}
.a-index a:hover{background:rgba(255,255,255,.08);color:#fff}
.a-block{padding-block:clamp(3rem,6vw,5rem);scroll-margin-top:70px}
.a-block:nth-of-type(even){background:#fff}
.a-grid{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:clamp(2rem,5vw,4.5rem);align-items:center}
.a-block.is-flip .a-media{order:2}
.a-block.no-media .a-grid{grid-template-columns:minmax(0,1fr);max-width:820px}
.a-text h2{font-size:var(--step-3);margin-bottom:.6em}
.a-text .prose h3{counter-increment:none}
.a-media .media img,.a-media .media video{max-height:640px;object-fit:cover}
.a-cta{margin-top:1.6rem}
.a-summary{background:var(--ink)!important;color:#fff}
.a-summary .prose{font-size:var(--step-1);color:#dbe6f4}
.a-summary .prose a{color:#a9c2ff}
@media (max-width:860px){.a-grid{grid-template-columns:minmax(0,1fr)}.a-block.is-flip .a-media{order:0}}
.step-num{display:inline-grid;place-items:center;width:1.9rem;height:1.9rem;border-radius:50%;background:var(--ink);color:#fff;font-size:.95rem;font-weight:800;margin-right:.5rem;vertical-align:.1em}
.art-list.has-img a{display:flex;flex-direction:column}
.art-list img{width:100%;height:auto;aspect-ratio:16/10;object-fit:cover;border-radius:var(--radius-s);margin-bottom:.9rem}

/* ---------- úvod s fotkou na pozadí ---------- */
.hero.has-bg{isolation:isolate}
.hero-bg{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;object-position:75% 50%;z-index:-2;filter:brightness(1.18) saturate(1.05)}
.hero.has-bg::before{content:"";position:absolute;inset:0;z-index:-1;background:linear-gradient(90deg,rgba(14,26,44,.92) 0%,rgba(14,26,44,.72) 34%,rgba(14,26,44,.12) 68%,rgba(14,26,44,.05) 100%),linear-gradient(0deg,rgba(14,26,44,.55),rgba(14,26,44,0) 30%)}
.hero.has-bg .wrap{min-height:min(78vh,760px)}
.hero.has-bg .device{box-shadow:0 40px 90px rgba(0,0,0,.6),0 0 0 1px rgba(255,255,255,.08),inset 0 -6px 0 rgba(0,0,0,.06)}
.hero.has-bg .device.is-alarm{box-shadow:0 40px 90px rgba(0,0,0,.6),0 0 60px rgba(214,57,43,.35),inset 0 -6px 0 rgba(0,0,0,.06)}
.hero.has-bg .device-caption{color:#c9d6e6;text-shadow:0 1px 8px rgba(0,0,0,.6)}
@media (max-width:860px){.hero.has-bg::before{background:linear-gradient(180deg,rgba(14,26,44,.9) 0%,rgba(14,26,44,.75) 55%,rgba(14,26,44,.55) 100%)}.hero.has-bg .wrap{min-height:0}}

.hero h1 .line{display:block}
@media (min-width:600px){.hero h1 .line{white-space:nowrap}}

/* ---------- menu na menších obrazovkách ---------- */
.nav a{white-space:nowrap}
.nav-toggle{display:none;align-items:center;gap:.5rem;margin-left:auto;border:1.5px solid var(--line);background:#fff;border-radius:999px;padding:.55rem .95rem;font:inherit;font-weight:700;color:var(--ink);cursor:pointer}
.nav-toggle-bars,.nav-toggle-bars::before,.nav-toggle-bars::after{display:block;width:16px;height:2px;background:currentColor;border-radius:2px;position:relative;transition:transform .2s}
.nav-toggle-bars::before,.nav-toggle-bars::after{content:"";position:absolute;left:0}
.nav-toggle-bars::before{top:-5px}.nav-toggle-bars::after{top:5px}
.nav-toggle[aria-expanded="true"] .nav-toggle-bars{background:transparent}
.nav-toggle[aria-expanded="true"] .nav-toggle-bars::before{transform:translateY(5px) rotate(45deg)}
.nav-toggle[aria-expanded="true"] .nav-toggle-bars::after{transform:translateY(-5px) rotate(-45deg)}
@media (max-width:1180px){
  .nav-toggle{display:inline-flex}
  .top .wrap{position:relative}
  .nav{display:none;position:absolute;top:100%;left:0;right:0;flex-direction:column;gap:0;background:#fff;border:1px solid var(--line);border-radius:0 0 var(--radius-l) var(--radius-l);box-shadow:0 18px 40px rgba(20,36,58,.15);padding:.5rem 0;margin:0}
  .nav.is-open{display:flex}
  .nav a{padding:.85rem 1.4rem;font-size:1.05rem;color:var(--ink)}
  .nav a + a{border-top:1px solid var(--mist)}
}
@media (max-width:520px){.top .btn-primary{display:none}.nav-toggle{margin-left:auto}}

/* ---------- hlavička přes úvod: průhledná, po posunu tmavě modrá ---------- */
.top{position:fixed;left:0;right:0;top:0;background:transparent;border-bottom:1px solid transparent;backdrop-filter:none;transition:background-color .25s,box-shadow .25s,border-color .25s}
.top.is-scrolled,.top.menu-open{background:rgba(20,36,58,.97);border-bottom-color:rgba(255,255,255,.08);box-shadow:0 8px 24px rgba(0,0,0,.18)}
@supports (backdrop-filter:blur(8px)){.top.is-scrolled{background:rgba(20,36,58,.97);backdrop-filter:blur(10px)}}
.top .logo{color:#fff}
.top .logo-mark{background:#fff;color:var(--ink)}
.top .nav a{color:rgba(255,255,255,.82)}
.top .nav a:hover,.top .nav a[aria-current="page"]{color:#fff}
.top .nav-toggle{background:transparent;border-color:rgba(255,255,255,.45);color:#fff}
.top .nav-toggle:hover{border-color:#fff}
.top:not(.is-scrolled) .logo,.top:not(.is-scrolled) .nav a{text-shadow:0 1px 10px rgba(0,0,0,.35)}
.hero .wrap{padding-top:calc(clamp(3.5rem,8vw,7rem) + 64px)}
.page-hero{padding-top:calc(clamp(2.8rem,6vw,5rem) + 64px)}
.preview-bar{position:relative;z-index:60}
@media (max-width:1180px){
  .top .nav a{color:var(--ink);text-shadow:none}
  .top .nav a:hover,.top .nav a[aria-current="page"]{color:var(--flame-deep)}
}

/* ---------- decentnější nadpis v úvodu (Roboto) ---------- */
.hero h1,.page-hero h1{font-family:"Roboto",system-ui,sans-serif;font-weight:600;letter-spacing:-.015em;line-height:1.06}
.hero h1{font-size:clamp(2.4rem,1.5rem + 3.4vw,4.4rem)}
.page-hero h1{font-size:clamp(2.2rem,1.4rem + 3vw,4rem)}
.hero h1 .fade{color:rgba(255,255,255,.42);font-weight:400}

/* ikona loga */
.logo-svg{height:34px;width:auto;flex:none}
.logo{gap:.6rem}

/* text loga */
.logo-text{font-family:"Roboto",system-ui,sans-serif;font-weight:700;font-size:1.12rem;letter-spacing:.05em;line-height:1;white-space:nowrap}
.logo-tld{font-weight:300;font-size:.8em;letter-spacing:.02em;opacity:.72;margin-left:.08em}
@media (max-width:420px){.logo-text{font-size:1rem}.logo-svg{height:26px}}