:root{
    --ink:#14150F;
    --ink-soft:#2A2C24;
    --paper:#EFEEE6;
    --paper-dim:#E4E2D6;
    --steel:#A7AEA4;
    --moss:#3E4A38;
    --moss-soft:#5C6B54;
    --ember:#8C4A2E;
    --line:rgba(20,21,15,0.14);
    --line-on-ink:rgba(239,238,230,0.16);
    --radius:2px;
    --disp:'Space Grotesk', sans-serif;
    --body:'IBM Plex Sans', sans-serif;
    --mono:'IBM Plex Mono', monospace;
  }
  *{box-sizing:border-box;}
  html{scroll-behavior:smooth;}
  body{
    margin:0;
    background:var(--paper);
    color:var(--ink);
    font-family:var(--body);
    line-height:1.5;
    -webkit-font-smoothing:antialiased;
  }
  img{display:block; max-width:100%;}
  a{color:inherit;}
  .wrap{max-width:1180px; margin:0 auto; padding:0 28px;}

  .eyebrow{
    font-family:var(--mono);
    font-size:12px;
    letter-spacing:.08em;
    text-transform:uppercase;
    color:var(--moss-soft);
    margin:0 0 14px;
  }
  h1,h2,h3{font-family:var(--disp); margin:0; letter-spacing:-0.01em;}
  h1{font-size:clamp(34px,5vw,58px); line-height:1.05; font-weight:600;}
  h2{font-size:clamp(26px,3.4vw,36px); font-weight:600; line-height:1.15;}
  h3{font-size:20px; font-weight:600;}
  p{margin:0;}
  .lede{font-size:17px; color:var(--ink-soft); max-width:46ch;}

  .btn{
    display:inline-flex; align-items:center; gap:8px;
    font-family:var(--mono); font-size:13px; letter-spacing:.03em;
    padding:13px 22px; border-radius:var(--radius);
    text-decoration:none; cursor:pointer; border:1px solid var(--ink);
    background:transparent;
  }
  .btn:focus-visible{outline:2px solid var(--moss); outline-offset:2px;}
  .btn-primary{background:var(--ink); color:var(--paper);}
  .btn-primary:hover{background:var(--moss);}
  .btn-ghost{background:transparent; color:var(--ink);}
  .btn-ghost:hover{background:rgba(20,21,15,0.06);}
  .btn-on-ink{border-color:var(--paper); color:var(--paper);}
  .btn-on-ink.btn-primary{background:var(--paper); color:var(--ink);}
  .btn-on-ink.btn-primary:hover{background:var(--steel);}

  /* NAV */
  .nav{
    position:sticky; top:0; z-index:50;
    background:rgba(239,238,230,0.92); backdrop-filter:blur(6px);
    border-bottom:1px solid var(--line);
  }
  .nav-inner{display:flex; align-items:center; justify-content:space-between; padding:16px 28px;}
  .nav-logo img{height:22px; width:auto;}
  .nav-links{display:flex; align-items:center; gap:28px; list-style:none; margin:0; padding:0;}
  .nav-links a{font-size:14px; text-decoration:none; color:var(--ink-soft);}
  .nav-links a:hover{color:var(--ink);}
  .nav-cta{display:flex; align-items:center; gap:18px;}
  .nav-toggle{display:none; background:none; border:none; cursor:pointer;}
  @media (max-width:820px){
    .nav-links{display:none;}
    .nav-cta .btn-ghost{display:none;}
    .nav-cta .btn-primary{display:none;}
  }

  /* HERO */
  .hero{
    position:relative; overflow:hidden;
    padding:0;
  }
  .hero-grid{display:grid; grid-template-columns:1fr 1fr; gap:0; align-items:stretch; min-height:640px;}
  @media (max-width:900px){ .hero-grid{grid-template-columns:1fr; min-height:auto;} }
  .hero-copy{
    display:flex; flex-direction:column; justify-content:center;
    padding:80px 56px; background-image:
      linear-gradient(var(--line) 1px, transparent 1px),
      linear-gradient(90deg, var(--line) 1px, transparent 1px);
    background-size:44px 44px;
  }
  @media (max-width:900px){ .hero-copy{padding:56px 28px 40px;} }
  .hero-copy .btn-row{display:flex; gap:14px; margin-top:30px; flex-wrap:wrap;}
  .hero-copy .lede{margin-top:18px;}
  .hero-photo{position:relative; overflow:hidden; background:var(--ink-soft);}
  @media (max-width:900px){ .hero-photo{min-height:340px;} }
  .hero-photo-caption{
    position:absolute; left:18px; bottom:18px; z-index:3;
    font-family:var(--mono); font-size:11.5px; letter-spacing:.03em;
    color:var(--paper); background:rgba(20,21,15,0.55); padding:5px 10px;
  }

  /* HERO SLIDER */
  .hero-slider{position:relative; width:100%; height:100%; min-height:100%;}
  .hero-slider-track{display:flex; width:100%; height:100%; transition:transform .45s ease;}
  .hero-slide{min-width:100%; height:100%; position:relative;}
  .hero-slide img{width:100%; height:100%; object-fit:cover; display:block;}
  .hero-slide-placeholder{
    width:100%; height:100%; display:flex; align-items:center; justify-content:center;
    background:linear-gradient(155deg, var(--paper-dim), var(--steel) 140%);
  }
  .hero-slide-placeholder span{
    font-family:var(--mono); font-size:12.5px; color:var(--ink-soft); text-align:center; max-width:220px;
  }
  .hero-slider-arrow{
    position:absolute; top:50%; transform:translateY(-50%); z-index:3;
    width:38px; height:38px; border-radius:50%; border:1px solid var(--paper);
    background:rgba(20,21,15,0.4); color:var(--paper); cursor:pointer;
    display:flex; align-items:center; justify-content:center; font-family:var(--mono); font-size:16px;
  }
  .hero-slider-arrow:hover{background:rgba(20,21,15,0.7);}
  .hero-slider-arrow:focus-visible{outline:2px solid var(--paper); outline-offset:2px;}
  .hero-slider-arrow.prev{left:14px;}
  .hero-slider-arrow.next{right:14px;}
  .hero-slider-dots{
    position:absolute; left:0; right:0; bottom:16px; z-index:3;
    display:flex; justify-content:center; gap:8px;
  }
  .hero-slider-dots button{
    width:8px; height:8px; border-radius:50%; border:1px solid var(--paper);
    background:transparent; padding:0; cursor:pointer;
  }
  .hero-slider-dots button[aria-current="true"]{background:var(--paper);}
  .hero-slider-dots button:focus-visible{outline:2px solid var(--paper); outline-offset:3px;}

  /* STRIP */
  .strip{padding:40px 0; border-top:1px solid var(--line); border-bottom:1px solid var(--line);}
  .strip-inner{display:flex; gap:44px; flex-wrap:wrap; justify-content:space-between;}
  .strip-item{display:flex; align-items:flex-start; gap:14px; flex:1; min-width:220px;}
  .strip-item svg{width:30px; height:30px; stroke:var(--ink); fill:none; stroke-width:2.2; flex-shrink:0; margin-top:2px;}
  .strip-item h4{font-family:var(--disp); font-size:16px; font-weight:600; margin:0 0 4px;}
  .strip-item p{font-size:14px; color:var(--ink-soft);}

  /* PRE KOHO */
  .split{display:grid; grid-template-columns:1fr 1fr;}
  @media (max-width:820px){ .split{grid-template-columns:1fr;} }
  .split-panel{padding:64px 40px; display:flex; flex-direction:column; justify-content:center; min-height:340px;}
  .split-panel.light{background:var(--paper);}
  .split-panel.dark{background:var(--ink); color:var(--paper);}
  .split-panel .lede{color:inherit; opacity:.82;}
  .split-panel h2{margin-bottom:14px;}
  .split-panel .eyebrow{color:var(--moss-soft);}
  .split-panel.dark .eyebrow{color:var(--steel);}

  /* SECTION generic */
  section{padding:88px 0;}
  .section-head{max-width:640px; margin-bottom:48px;}

  /* PRODUCTS */
  .prod-grid{display:grid; grid-template-columns:repeat(2, 1fr); gap:24px;}
  @media (max-width:820px){ .prod-grid{grid-template-columns:1fr;} }
  .prod-card{border:1px solid var(--line); background:var(--paper); display:flex; flex-direction:column; overflow:hidden;}
  .prod-visual{
    position:relative; aspect-ratio:16/11; display:flex; align-items:center; justify-content:center;
    background:linear-gradient(155deg, var(--paper-dim), var(--steel) 140%); overflow:hidden;
  }
  .prod-visual img{width:100%; height:100%; object-fit:cover; display:block;}
  .prod-visual svg{width:42%; stroke:var(--ink); fill:none; stroke-width:1.6;}
  .prod-visual-caption{
    position:absolute; left:16px; bottom:14px;
    font-family:var(--mono); font-size:11.5px; color:var(--ink-soft); text-align:center; max-width:200px;
  }
  .prod-body{padding:22px 24px 26px; display:flex; align-items:baseline; justify-content:space-between; gap:16px;}
  .prod-body h3{font-size:20px;}
  .prod-body p{font-size:14px; color:var(--ink-soft); max-width:32ch;}
  .prod-card.combo .prod-visual{background:linear-gradient(155deg, var(--moss), var(--ink) 150%);}
  .prod-card.combo .prod-visual img{opacity:.82;}
  .prod-card.combo .prod-visual-caption{color:var(--steel);}
  .prod-card.combo{background:var(--ink); color:var(--paper);}
  .prod-card.combo .prod-body p{color:var(--steel);}
  .prod-card.combo a{font-family:var(--mono); font-size:13px; text-decoration:underline; white-space:nowrap;}


  /* WHY */
  .why-grid{display:grid; grid-template-columns:1fr 1fr; gap:28px 40px;}
  @media (max-width:700px){ .why-grid{grid-template-columns:1fr;} }
  .why-item{display:flex; gap:16px; padding:22px 0; border-top:1px solid var(--line);}
  .why-item svg{width:28px; height:28px; stroke:var(--ink); fill:none; stroke-width:2.1; flex-shrink:0;}
  .why-item h4{font-family:var(--disp); font-size:17px; margin:0 0 6px;}
  .why-item p{font-size:14.5px; color:var(--ink-soft);}

  /* B2B */
  .b2b{background:var(--ink); color:var(--paper);}
  .b2b .eyebrow{color:var(--steel);}
  .b2b .lede{color:var(--paper); opacity:.8;}
  .scale-row{display:flex; align-items:center; gap:8px; margin:36px 0 8px; flex-wrap:wrap;}
  .scale-row .mod{width:14px; height:14px; background:var(--steel); border-radius:1px;}
  .scale-row .mod:nth-child(4n+1){background:var(--moss-soft);}
  .scale-row .mod:nth-child(5n+2){background:var(--ember);}
  .scale-caption{font-family:var(--mono); font-size:12px; color:var(--steel); margin-bottom:36px;}
  .b2b-actions{display:flex; gap:14px; flex-wrap:wrap;}

  /* REFERENCIE */
  .ref-scroll-wrap{position:relative;}
  .ref-scroll{
    display:flex; gap:20px; overflow-x:auto; scroll-snap-type:x mandatory;
    padding:4px 28px 20px; margin:0 auto; max-width:100vw;
    scrollbar-width:none; -ms-overflow-style:none;
  }
  .ref-scroll::-webkit-scrollbar{display:none;}
  .ref-tile{
    flex:0 0 auto; width:min(62vw, 620px); aspect-ratio:16/10; scroll-snap-align:start;
    border:1px solid var(--line);
    display:flex; align-items:center; justify-content:center; text-align:center; padding:16px;
    background:linear-gradient(135deg, var(--paper-dim), var(--paper) 60%, var(--steel) 130%);
  }
  @media (max-width:700px){ .ref-tile{width:82vw;} }
  .ref-tile span{font-family:var(--mono); font-size:11.5px; color:var(--ink-soft); letter-spacing:.03em; text-transform:uppercase;}
  .ref-tile.photo{padding:0;}
  .ref-tile.photo img{width:100%; height:100%; object-fit:cover; display:block;}
  .ref-note{font-family:var(--mono); font-size:12.5px; color:var(--ink-soft); margin-top:18px;}
  .ref-arrow{
    width:40px; height:40px; border-radius:50%; border:1px solid var(--ink);
    background:var(--paper); color:var(--ink); cursor:pointer;
    display:flex; align-items:center; justify-content:center; font-family:var(--mono); font-size:17px;
  }
  .ref-arrow:hover{background:var(--ink); color:var(--paper);}
  .ref-arrow:focus-visible{outline:2px solid var(--moss); outline-offset:2px;}
  .ref-arrows{display:flex; gap:10px; justify-content:flex-end; padding:0 28px 20px;}

  /* KONTAKTNÉ OSOBY */
  .people-grid{display:grid; grid-template-columns:repeat(2, 1fr); gap:24px;}
  @media (max-width:600px){ .people-grid{grid-template-columns:1fr;} }
  .person-card{display:flex; gap:20px; align-items:flex-start; padding:22px; border:1px solid var(--line); background:var(--paper);}
  .person-photo{
    width:112px; height:112px; flex-shrink:0; background:var(--paper-dim);
    border:1px solid var(--line); display:flex; align-items:center; justify-content:center; overflow:hidden;
  }
  .person-photo img{width:100%; height:100%; object-fit:cover; display:block;}
  .person-photo svg{width:30px; height:30px; stroke:var(--ink-soft); fill:none; stroke-width:1.6;}
  .person-info h4{font-family:var(--disp); font-size:16px; font-weight:600; margin:0 0 6px;}
  .person-phone{font-family:var(--mono); font-size:13px; color:var(--ink-soft); display:block; text-decoration:none; margin-bottom:3px;}
  .person-phone:hover{color:var(--ink);}
  .person-email{font-family:var(--mono); font-size:13px; color:var(--ink-soft); display:block; text-decoration:none; margin-bottom:8px;}
  .person-email:hover{color:var(--ink);}
  .person-cta{font-family:var(--mono); font-size:12.5px; color:var(--moss-soft); text-decoration:underline;}
  .person-cta:hover{color:var(--moss);}

  /* FINAL CTA */
  .final-cta{text-align:center; padding-top:70px; padding-bottom:100px;}
  .final-cta .section-head{margin:0 auto 30px; text-align:center;}
  .final-cta .btn-row{display:flex; justify-content:center; gap:14px; flex-wrap:wrap;}

  /* FOOTER */
  footer{background:var(--ink); color:var(--paper); padding:64px 0 30px;}
  .foot-grid{display:grid; grid-template-columns:1.4fr 1fr 1fr 1fr; gap:36px; padding-bottom:44px; border-bottom:1px solid var(--line-on-ink);}
  @media (max-width:820px){ .foot-grid{grid-template-columns:1fr 1fr;} }
  .foot-logo img{height:20px; margin-bottom:14px;}
  .foot-addr{font-size:13.5px; color:var(--steel); line-height:1.6;}
  .foot-col h5{font-family:var(--mono); font-size:12px; text-transform:uppercase; letter-spacing:.06em; color:var(--steel); margin:0 0 14px;}
  .foot-col ul{list-style:none; margin:0; padding:0; display:flex; flex-direction:column; gap:9px;}
  .foot-col a{font-size:14px; text-decoration:none; color:var(--paper);}
  .foot-col a:hover{color:var(--steel);}
  .foot-bottom{display:flex; justify-content:space-between; align-items:center; padding-top:22px; font-family:var(--mono); font-size:12px; color:var(--steel); flex-wrap:wrap; gap:10px;}

  @media (prefers-reduced-motion: reduce){
    html{scroll-behavior:auto;}
    *{transition:none !important;}
  }

/* ============ PRODUCT DETAIL PAGE ============ */

/* Breadcrumb */
.pd-breadcrumb{padding:20px 0 0; font-family:var(--mono); font-size:12px; color:var(--ink-soft);}
.pd-breadcrumb a{text-decoration:none; color:var(--ink-soft);}
.pd-breadcrumb a:hover{color:var(--ink);}

/* Product hero info block (below slider) */
.pd-hero-info{
  display:flex; justify-content:space-between; align-items:flex-end; gap:24px;
  padding:34px 0 0; flex-wrap:wrap;
}
.pd-hero-info h1{margin-bottom:10px;}
.pd-hero-meta{display:flex; gap:26px; font-family:var(--mono); font-size:13px; color:var(--ink-soft); flex-wrap:wrap;}
.pd-hero-meta strong{color:var(--ink); font-weight:500;}

/* Feature highlights strip */
.feature-grid{display:grid; grid-template-columns:repeat(4, 1fr); gap:1px; background:var(--line); border:1px solid var(--line);}
@media (max-width:900px){ .feature-grid{grid-template-columns:repeat(2, 1fr);} }
@media (max-width:520px){ .feature-grid{grid-template-columns:1fr;} }
.feature-item{background:var(--paper); padding:26px 22px; display:flex; flex-direction:column; gap:10px;}
.feature-item svg{width:26px; height:26px; stroke:var(--ink); fill:none; stroke-width:2;}
.feature-item h4{font-family:var(--disp); font-size:15.5px; font-weight:600; margin:0;}
.feature-item p{font-size:13.5px; color:var(--ink-soft);}

/* Technical section: two columns */
.pd-tech{display:grid; grid-template-columns:1fr 1fr; gap:56px; align-items:start;}
@media (max-width:860px){ .pd-tech{grid-template-columns:1fr; gap:40px;} }
.pd-diagram{border:1px solid var(--line); background:var(--paper-dim); padding:30px; display:flex; align-items:center; justify-content:center;}
.pd-diagram svg{width:100%; max-width:340px; stroke:var(--ink); fill:none; stroke-width:1.4;}
.pd-diagram-caption{font-family:var(--mono); font-size:11.5px; color:var(--ink-soft); text-align:center; margin-top:14px;}

.spec-list{list-style:none; margin:18px 0 0; padding:0; font-family:var(--mono); font-size:13.5px;}
.spec-list li{display:flex; justify-content:space-between; padding:10px 0; border-bottom:1px dotted var(--line);}
.spec-list li span:first-child{color:var(--ink-soft);}

.pd-included h3{font-family:var(--disp); font-size:16px; margin:0 0 14px;}
.check-list{list-style:none; margin:0; padding:0; display:flex; flex-direction:column; gap:11px;}
.check-list li{display:flex; align-items:flex-start; gap:10px; font-size:14.5px;}
.check-list svg{width:17px; height:17px; stroke:var(--moss); fill:none; stroke-width:2.4; flex-shrink:0; margin-top:2px;}
.pd-included-note{font-family:var(--mono); font-size:11.5px; color:var(--ink-soft); margin-top:16px;}

/* Combo teaser cards */
.combo-teaser{display:grid; grid-template-columns:repeat(2, 1fr); gap:20px;}
@media (max-width:700px){ .combo-teaser{grid-template-columns:1fr;} }
.combo-card{
  display:flex; align-items:center; gap:16px; padding:18px 20px;
  border:1px solid var(--line-on-ink); text-decoration:none; color:var(--paper);
}
.combo-card:hover{background:rgba(239,238,230,0.06);}
.combo-card .combo-thumb{
  width:56px; height:56px; flex-shrink:0; overflow:hidden; border:1px solid var(--line-on-ink);
  background:var(--ink-soft); display:flex; align-items:center; justify-content:center;
}
.combo-card .combo-thumb img{width:100%; height:100%; object-fit:cover;}
.combo-card .combo-thumb svg{width:22px; height:22px; stroke:var(--steel); fill:none; stroke-width:2;}
.combo-card h4{font-family:var(--disp); font-size:15px; margin:0 0 3px;}
.combo-card span{font-family:var(--mono); font-size:12px; color:var(--steel);}

/* FAQ accordion (native details/summary) */
.faq-list{border-top:1px solid var(--line);}
.faq-item{border-bottom:1px solid var(--line);}
.faq-item summary{
  cursor:pointer; list-style:none; padding:18px 4px;
  display:flex; justify-content:space-between; align-items:center; gap:16px;
  font-family:var(--disp); font-size:15.5px; font-weight:600;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary::after{content:'+'; font-family:var(--mono); font-size:18px; color:var(--ink-soft); flex-shrink:0;}
.faq-item[open] summary::after{content:'–';}
.faq-item p{margin:0 4px 18px; font-size:14.5px; color:var(--ink-soft); max-width:70ch;}
.faq-item summary:focus-visible{outline:2px solid var(--moss); outline-offset:2px;}

/* ============ B2B / PRE HOTELY A KOMPLEXY ============ */

/* Process steps */
.process-list{display:flex; flex-direction:column;}
.process-step{
  display:grid; grid-template-columns:56px 1fr; gap:20px; padding:26px 0;
  border-top:1px solid var(--line);
}
.process-step:last-child{border-bottom:1px solid var(--line);}
.process-step .step-num{font-family:var(--mono); font-size:13px; color:var(--moss-soft);}
.process-step h4{font-family:var(--disp); font-size:17px; margin:0 0 6px;}
.process-step p{font-size:14.5px; color:var(--ink-soft); max-width:62ch;}

/* Combination example cards */
.example-grid{display:grid; grid-template-columns:repeat(3, 1fr); gap:20px;}
@media (max-width:900px){ .example-grid{grid-template-columns:1fr;} }
.example-card{border:1px solid var(--line); background:var(--paper); display:flex; flex-direction:column;}
.example-visual{aspect-ratio:4/3; overflow:hidden; background:linear-gradient(155deg, var(--paper-dim), var(--steel) 140%); display:flex;}
.example-visual img{width:100%; height:100%; object-fit:cover;}
.example-body{padding:20px 22px 24px;}
.example-body .eyebrow{margin-bottom:8px;}
.example-body h4{font-family:var(--disp); font-size:16.5px; margin:0 0 8px;}
.example-body p{font-size:13.5px; color:var(--ink-soft);}

/* MOBILE NAV TOGGLE */
.nav-toggle{
  display:none; background:none; border:none; cursor:pointer; padding:6px;
  align-items:center; justify-content:center; margin-left:8px;
}
.nav-toggle svg{width:22px; height:22px; stroke:var(--ink); fill:none; stroke-width:1.8;}
.nav-toggle:focus-visible{outline:2px solid var(--moss); outline-offset:2px;}
@media (max-width:820px){
  .nav-toggle{display:flex;}
}
.nav-mobile-panel{
  display:none; flex-direction:column; border-top:1px solid var(--line); background:var(--paper);
}
.nav-mobile-panel.open{display:flex;}
.nav-mobile-panel > a{
  padding:15px 20px; font-size:15px; text-decoration:none; color:var(--ink);
  border-bottom:1px solid var(--line);
}
.nav-mobile-panel > a:hover{background:rgba(20,21,15,0.04);}
.nav-mobile-cta{padding:16px 20px 20px;}
.nav-mobile-cta .btn{width:100%; text-align:center; display:block;}