/* ===== Samsung WindFree Elite S2 — funnel · scenár A "Anatómia ticha" ===== */
:root{
  --ink:#050d17;          /* deep ink-blue ground */
  --ink-2:#0a1622;
  --ice:#a8dcf5;          /* ice cyan accent */
  --ice-strong:#5bc2ee;
  --paper:#eaf4fb;        /* text on dark */
  --muted:#7d93a6;
  --line:#16283a;
  --amber:#f2b04a;        /* price highlight */
}
*{box-sizing:border-box;margin:0;padding:0}
body{
  background:var(--ink);
  color:var(--paper);
  font-family:"Albert Sans",system-ui,sans-serif;
  font-size:17px;line-height:1.6;
  overflow-x:hidden;
}
h1,h2{font-family:Unbounded,sans-serif;font-weight:600;line-height:1.12;text-wrap:balance}
h2{font-size:clamp(1.6rem,3.6vw,2.6rem)}
.eyebrow{
  font-family:Unbounded,sans-serif;font-weight:500;
  font-size:.68rem;letter-spacing:.22em;text-transform:uppercase;
  color:var(--ice-strong);margin-bottom:1rem;
}
.cta{
  display:inline-block;background:var(--ice-strong);color:#04121d;
  font-family:Unbounded,sans-serif;font-weight:600;font-size:.82rem;
  padding:.95rem 1.7rem;border-radius:999px;text-decoration:none;border:0;cursor:pointer;
  transition:transform .25s ease, box-shadow .25s ease;
}
.cta:hover{transform:translateY(-2px);box-shadow:0 8px 30px rgba(91,194,238,.35)}
.cta.big{width:100%;font-size:.95rem;padding:1.15rem}

/* ===== film / scrub hero ===== */
.film{height:520vh;position:relative}
.film-sticky{position:sticky;top:0;height:100vh;height:100svh;overflow:hidden}
#orbitCanvas{position:absolute;inset:0;width:100%;height:100%;display:block}

.film-overlay{
  position:absolute;inset:0;display:flex;flex-direction:column;
  justify-content:center;align-items:flex-start;
  padding:0 8vw;pointer-events:none;
  opacity:0;transition:opacity .4s ease;
}
.stage-0{background:linear-gradient(100deg, rgba(5,13,23,.82) 0%, rgba(5,13,23,.45) 38%, transparent 62%)}
.stage-callout{background:linear-gradient(rgba(5,13,23,0) 55%, rgba(5,13,23,.7) 100%)}
.film-overlay.on{opacity:1}
.film-overlay.on .cta,.film-overlay.on a{pointer-events:auto}
.stage-0 h1{font-size:clamp(2.2rem,6.5vw,4.6rem);font-weight:700;margin:.4rem 0 1.2rem;text-shadow:0 2px 40px rgba(4,10,18,.8)}
.stage-0 h1 span{display:inline-block;opacity:0;transform:translateY(28px);animation:rise .8s cubic-bezier(.2,.7,.2,1) forwards}
.stage-0 h1 span:nth-child(2){animation-delay:.15s}
.stage-0 h1 span:nth-child(3){animation-delay:.3s}
@keyframes rise{to{opacity:1;transform:none}}
.stage-0 .sub{font-size:clamp(1rem,1.6vw,1.2rem);color:var(--ice);margin-bottom:1.8rem;text-shadow:0 1px 20px rgba(4,10,18,.9)}
@keyframes drip{0%{transform:scaleY(0);transform-origin:top}45%{transform:scaleY(1);transform-origin:top}55%{transform:scaleY(1);transform-origin:bottom}100%{transform:scaleY(0);transform-origin:bottom}}

.stage-callout{justify-content:flex-end;padding-bottom:12vh}
.stage-callout.right{align-items:flex-end}
.callout b{
  display:block;font-family:Unbounded,sans-serif;font-weight:700;
  font-size:clamp(2.4rem,6vw,4.2rem);color:var(--ice);
  text-shadow:0 0 60px rgba(91,194,238,.4);
}
.callout span{color:var(--paper);font-size:clamp(.95rem,1.5vw,1.15rem);line-height:1.5}


/* ===== šipka dolů ===== */
.scroll-down{
  position:absolute;z-index:3;left:8vw;bottom:2.4rem;
  display:flex;flex-direction:column;align-items:flex-start;gap:.5rem;
  text-decoration:none;transition:opacity .6s ease,transform .6s ease;
}
.scroll-down.gone{opacity:0;pointer-events:none;transform:translateY(10px)}
.sd-text{font-size:.62rem;letter-spacing:.28em;text-transform:uppercase;color:var(--muted)}
.sd-arrow{
  width:2.8rem;height:2.8rem;border-radius:50%;
  border:1px solid rgba(234,244,251,.25);background:rgba(5,13,23,.5);backdrop-filter:blur(6px);
  display:flex;align-items:center;justify-content:center;
  color:var(--ice-strong);animation:sink 2.2s ease-in-out infinite;
}
.sd-arrow svg{width:1.25rem;height:1.6rem;display:block}
.scroll-down:hover .sd-arrow{border-color:var(--ice-strong);background:rgba(91,194,238,.14)}
@keyframes sink{0%,100%{transform:translateY(-3px)}50%{transform:translateY(4px)}}

/* ===== macro ===== */
.macro{position:relative;min-height:100vh;display:flex;align-items:flex-end}
.macro-video{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;opacity:.92}
.macro-copy{
  position:relative;max-width:560px;margin:0 0 10vh 8vw;
  background:rgba(5,13,23,.55);backdrop-filter:blur(14px);
  border:1px solid var(--line);border-radius:18px;padding:2.2rem 2.4rem;
}
.macro-copy h2{margin-bottom:1rem}
.macro-copy em{color:var(--ice);font-style:normal;font-weight:600}

/* ===== engineering ===== */
.engineering{padding:16vh 8vw}
.eng-head{max-width:620px;margin-bottom:5vh}
.eng-stage{display:grid;grid-template-columns:1.5fr 1fr;gap:4vw;align-items:center}
.eng-video{width:100%;border-radius:18px;border:1px solid var(--line)}
.specs{list-style:none;display:grid;gap:1.1rem}
.specs li{border-left:2px solid var(--ice-strong);padding-left:1.1rem}
.specs b{font-family:Unbounded,sans-serif;font-weight:600;font-size:1.05rem;color:var(--ice);display:block}
.specs span{color:var(--muted);font-size:.92rem}

/* ===== offer ===== */
.offer{padding:14vh 8vw;background:var(--ink-2)}
.offer-head{max-width:640px;margin-bottom:5vh}
.sub2{color:var(--muted);margin-top:.8rem}
.packs{display:grid;grid-template-columns:repeat(auto-fit,minmax(290px,1fr));gap:1.6rem;max-width:860px}
.pack{
  border:1px solid var(--line);border-radius:20px;padding:2.2rem;
  background:linear-gradient(170deg,rgba(22,40,58,.5),rgba(10,22,34,.2));position:relative;
}
.pack.featured{border-color:var(--ice-strong);box-shadow:0 0 60px rgba(91,194,238,.12)}
.pack-badge{
  position:absolute;top:-0.8rem;left:2rem;background:var(--ice-strong);color:#04121d;
  font-family:Unbounded,sans-serif;font-size:.62rem;font-weight:600;letter-spacing:.08em;
  padding:.3rem .8rem;border-radius:999px;text-transform:uppercase;
}
.pack-name{font-family:Unbounded,sans-serif;font-weight:600;font-size:1.02rem}
.pack-room{color:var(--muted);font-size:.9rem;margin:.4rem 0 1.4rem}
.pack-price s{color:var(--muted);font-size:1rem;margin-right:.6rem}
.pack-price b{font-family:Unbounded,sans-serif;font-size:1.9rem;font-weight:700;color:var(--amber)}
.pack-inc{color:var(--muted);font-size:.85rem;margin:.3rem 0 1.6rem}
.steps{list-style:none;display:flex;gap:3rem;flex-wrap:wrap;margin-top:7vh}
.steps li{display:flex;gap:1rem;align-items:center}
.steps b{
  font-family:Unbounded,sans-serif;width:2.6rem;height:2.6rem;border-radius:50%;
  border:1px solid var(--ice-strong);color:var(--ice);display:flex;align-items:center;justify-content:center;
}
.steps span{color:var(--muted);font-size:.92rem;line-height:1.45}

/* ===== contact ===== */
.contact{padding:16vh 8vw;text-align:center}
.contact-inner{max-width:520px;margin:0 auto}
.contact h2{margin-bottom:3rem}
.lead{display:grid;gap:.9rem}
.lead input{
  background:var(--ink-2);border:1px solid var(--line);border-radius:12px;
  padding:1rem 1.2rem;color:var(--paper);font:inherit;
}
.lead input:focus{outline:2px solid var(--ice-strong);outline-offset:1px}
.lead .sent{font-family:Unbounded,sans-serif;color:var(--ice);padding:2rem 0}
.or{color:var(--muted);margin:1.6rem 0 .4rem;font-size:.9rem}
.phone{
  font-family:Unbounded,sans-serif;font-weight:600;font-size:1.5rem;
  color:var(--ice);text-decoration:none;
}
footer{padding:3rem 8vw;border-top:1px solid var(--line);color:var(--muted);font-size:.85rem}
footer .fine{font-size:.72rem;margin-top:.4rem;opacity:.7}

/* ===== reveal on scroll ===== */
.reveal{opacity:0;transform:translateY(30px);transition:opacity .7s ease,transform .7s cubic-bezier(.2,.7,.2,1)}
.reveal.in{opacity:1;transform:none}
@media (prefers-reduced-motion: reduce){
  .reveal{opacity:1;transform:none;transition:none}
  .stage-0 h1 span{animation:none;opacity:1;transform:none}
}


/* ===== kalkulačka ===== */
.calc{padding:16vh 8vw;background:var(--ink-2)}
.calc-head{max-width:680px;margin-bottom:6vh}
.calc h2{font-size:clamp(1.8rem,4.2vw,3rem)}
.calc-lede{color:var(--muted);margin-top:1rem;max-width:56ch}

.calc-box{
  display:grid;grid-template-columns:minmax(300px,380px) 1fr;gap:2.6rem;
  align-items:start;max-width:1080px;
}

/* --- vstupy --- */
.calc-inputs{
  background:var(--ink);border:1px solid var(--line);border-radius:18px;
  padding:2rem 1.8rem;display:grid;gap:1.5rem;
}
.field{display:grid;gap:.6rem}
.field label{font-size:.82rem;color:var(--muted);letter-spacing:.03em;display:flex;justify-content:space-between;align-items:baseline;gap:.6rem}
.field label b{font-family:Unbounded,sans-serif;font-size:.95rem;color:var(--ice);font-weight:600}
.calc select,.adv input{
  width:100%;background:var(--ink-2);border:1px solid var(--line);border-radius:11px;
  padding:.85rem 1rem;color:var(--paper);font:inherit;font-size:.95rem;
}
.calc select:focus,.adv input:focus{outline:2px solid var(--ice-strong);outline-offset:1px}
.calc input[type=range]{
  -webkit-appearance:none;appearance:none;width:100%;height:4px;border-radius:99px;
  background:linear-gradient(90deg,var(--ice-strong),var(--line));cursor:pointer;
}
.calc input[type=range]::-webkit-slider-thumb{
  -webkit-appearance:none;width:22px;height:22px;border-radius:50%;
  background:var(--ice-strong);border:3px solid var(--ink);cursor:pointer;
}
.calc input[type=range]::-moz-range-thumb{
  width:22px;height:22px;border-radius:50%;background:var(--ice-strong);
  border:3px solid var(--ink);cursor:pointer;
}
.seg{display:grid;grid-template-columns:1fr 1fr;gap:.5rem}
.seg button{
  background:var(--ink-2);border:1px solid var(--line);border-radius:11px;
  padding:.8rem;color:var(--muted);font:inherit;font-size:.92rem;cursor:pointer;transition:.2s;
}
.seg button.on{background:var(--ice-strong);border-color:var(--ice-strong);color:#04121d;font-weight:600}
.more{
  background:none;border:0;color:var(--ice-strong);font:inherit;font-size:.85rem;
  cursor:pointer;text-align:left;padding:.2rem 0;
}
.adv-grid{display:grid;grid-template-columns:1fr 1fr;gap:.9rem;margin-top:.4rem}
.adv-grid label{display:grid;gap:.35rem;font-size:.74rem;color:var(--muted)}
.adv-grid .u{color:var(--ice);font-size:.7rem}
.adv-note{font-size:.74rem;color:var(--muted);margin-top:.9rem;opacity:.8}

/* --- výsledky --- */
.calc-results{display:grid;gap:1.6rem;align-content:start}
.verdict{
  font-family:Unbounded,sans-serif;font-weight:600;line-height:1.3;
  font-size:clamp(1.05rem,2vw,1.45rem);
  border:1px solid var(--line);border-radius:18px;padding:1.6rem 1.8rem;
}
.verdict.win{background:linear-gradient(120deg,rgba(91,194,238,.14),transparent);border-color:var(--ice-strong)}
.verdict.win b{color:var(--ice)}
.verdict.lose{background:rgba(242,176,74,.08);border-color:rgba(242,176,74,.4)}
.verdict.lose b{color:var(--amber)}
.verdict i{font-style:normal;color:var(--muted);font-size:.8em}

.tiles{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:1px;background:var(--line);border:1px solid var(--line);border-radius:16px;overflow:hidden}
.tile{background:var(--ink);padding:1.2rem 1.1rem;display:grid;gap:.35rem}
.tile b{font-family:Unbounded,sans-serif;font-size:1.05rem;color:var(--paper);font-variant-numeric:tabular-nums;line-height:1.25}
.tile span{font-size:.76rem;color:var(--muted)}

.payback{
  display:flex;align-items:center;gap:1rem;flex-wrap:wrap;
  border:1px dashed var(--line);border-radius:14px;padding:1.1rem 1.3rem;
}
.payback b{font-family:Unbounded,sans-serif;font-size:1.5rem;color:var(--amber);font-variant-numeric:tabular-nums}
.payback span{font-size:.8rem;color:var(--muted);flex:1;min-width:200px}

.chart-title{font-size:.72rem;letter-spacing:.2em;text-transform:uppercase;color:var(--ice-strong);font-weight:600;font-family:Unbounded,sans-serif}
.chart{display:grid;gap:.9rem}
.crow.head{font-size:.68rem;letter-spacing:.14em;text-transform:uppercase;color:var(--muted);opacity:.7}
.crow.head .cbars,.crow.head .cs{padding:0}
.crow{display:grid;grid-template-columns:6.5rem 1fr 6.5rem;gap:.9rem;align-items:center}
.crow.hi .cn{color:var(--paper)}
.cn{font-size:.82rem;color:var(--muted)}
.cbars{display:grid;gap:.3rem}
.b{display:block;height:1.35rem;border-radius:4px;position:relative;min-width:5.5rem;transition:width .5s cubic-bezier(.2,.7,.2,1)}
.b.now{background:linear-gradient(90deg,#4a5a6b,#2c3a48)}
.b.ac{background:linear-gradient(90deg,var(--ice-strong),#2e7ea8)}
.b em{position:absolute;right:.5rem;top:50%;transform:translateY(-50%);font-style:normal;font-size:.7rem;font-variant-numeric:tabular-nums;color:#fff;white-space:nowrap}
.cs{font-family:Unbounded,sans-serif;font-size:.82rem;text-align:right;font-variant-numeric:tabular-nums}
.cs.plus{color:var(--ice)}
.cs.minus{color:var(--amber)}
.legend{display:flex;gap:1.4rem;font-size:.76rem;color:var(--muted)}
.legend .sw{width:.85rem;height:.85rem;border-radius:3px;display:inline-block;margin-right:.4rem;vertical-align:-1px}
.legend .sw.now{background:#4a5a6b}
.legend .sw.ac{background:var(--ice-strong)}

.breakeven{font-size:.9rem;color:var(--muted);border-top:1px solid var(--line);padding-top:1.2rem}
.breakeven b{color:var(--ice)}
.calc-note{font-size:.74rem;color:var(--muted);opacity:.75;line-height:1.6}
.calc-results .cta{justify-self:start}

@media (max-width:900px){
  .calc-box{grid-template-columns:1fr;gap:1.8rem}
}
@media (max-width:820px){
  .calc{padding:12vh 6vw}
  .calc-inputs{padding:1.5rem 1.3rem}
  .crow.head{display:none}
  .crow{grid-template-columns:4.6rem 1fr;row-gap:.35rem}
  .cs{grid-column:2;text-align:left}
  .cs.plus::before{content:"úspora ";font-family:"Albert Sans",sans-serif;font-size:.72rem;color:var(--muted);letter-spacing:.04em}
  .adv-grid{grid-template-columns:1fr}
  .calc-results .cta{justify-self:stretch;text-align:center}
  .tiles{grid-template-columns:1fr 1fr}
}

/* =========================================================
   MOBIL — otáčení produktu zůstává i na telefonu (lehčí sada
   políček). Snímek se vykresluje celý (letterbox), aby se
   jednotka neořízla; texty sedí v černém pásu pod ním.
   ========================================================= */
@media (max-width:820px){
  .film-overlay{
    justify-content:flex-end;align-items:flex-start;
    padding:0 6vw 8.5rem;
  }
  .eyebrow{font-size:.6rem;letter-spacing:.16em}
  .stage-0{background:none}
  .stage-0 h1{font-size:clamp(1.9rem,9vw,2.7rem)}
  .stage-0 .sub{font-size:.98rem}
  .stage-0 .cta{align-self:stretch;text-align:center}
  .stage-callout{
    display:flex;align-items:flex-start;
    background:none;
  }
  .stage-callout.right{align-items:flex-start}
  .callout b{font-size:clamp(2.2rem,11vw,3.2rem)}
  .callout span{font-size:.95rem}
  .scroll-down{left:50%;transform:translateX(-50%);align-items:center;bottom:1.6rem}
  .scroll-down.gone{transform:translateX(-50%) translateY(10px)}

  /* makro: video nahoře, text pod ním */
  .macro{display:block;min-height:0}
  .macro-video{
    position:relative;inset:auto;width:100%;height:auto;
    aspect-ratio:16/9;object-fit:cover;opacity:1;display:block;
  }
  .macro-copy{
    position:relative;margin:0;max-width:none;border:0;border-radius:0;
    background:var(--ink);backdrop-filter:none;padding:2.8rem 6vw 3.6rem;
  }

  /* inženýrství */
  .engineering{padding:12vh 6vw}
  .eng-stage{grid-template-columns:1fr;gap:2.6rem}
  .offer{padding:12vh 6vw}
  .contact{padding:12vh 6vw}
  .steps{gap:1.6rem;flex-direction:column;align-items:flex-start;margin-top:5vh}
  footer{padding:2.6rem 6vw}
}

@media (max-width:400px){
  .stage-0 h1{font-size:1.8rem}
}


/* ===== znacka Jan Otcovsky ===== */
.brand{
  position:absolute;top:2.2rem;left:8vw;z-index:60;width:170px;height:auto;
  opacity:.92;transition:opacity .6s ease;pointer-events:none;
}
.playing .brand{opacity:0}
.foot-logo{width:270px;height:auto;margin:0 auto 1.4rem}
@media (max-width:820px){
  .brand{top:1.4rem;left:6vw;width:132px}
  .foot-logo{width:220px;margin-bottom:1.1rem}
}


/* ===== nové logo — smaltovaný odznak (23. 9. 2026) ===== */
.brand{width:200px;height:auto;opacity:1;filter:drop-shadow(0 6px 18px rgba(0,0,0,.28))}
.foot-logo{width:260px;height:auto;display:block}
@media (max-width:820px){
  .brand{width:150px}
  .foot-logo{width:220px}
}