/* ============================================================
   ECS Slovensko s.r.o. – redizajn 2026
   Firemná identita Küster (modrá). Responzívny dizajn systém.
   ============================================================ */

:root{
  --blue:#0066b2;
  --blue-dark:#00497f;
  --blue-darker:#06283d;
  --blue-50:#eef6fc;
  --blue-100:#d8ebf8;
  --ink:#1b2733;
  --muted:#5b6b7a;
  --line:#e2e8ef;
  --bg:#ffffff;
  --bg-soft:#f5f8fb;
  --white:#fff;
  --radius:14px;
  --radius-sm:9px;
  --shadow:0 6px 24px rgba(6,40,61,.08);
  --shadow-lg:0 18px 50px rgba(6,40,61,.16);
  --maxw:1180px;
  --ff:'Segoe UI',system-ui,-apple-system,Roboto,Arial,sans-serif;
}

.skip-link{position:absolute;left:-999px;top:auto;width:1px;height:1px;overflow:hidden}
.skip-link:focus{position:fixed;left:16px;top:16px;width:auto;height:auto;background:var(--blue);color:#fff;padding:10px 18px;border-radius:8px;font-weight:700;font-size:.95rem;z-index:9999;text-decoration:none}

*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;scroll-padding-top:92px}
body{font-family:var(--ff);color:var(--ink);background:var(--bg);line-height:1.65;font-size:17px;-webkit-font-smoothing:antialiased;overflow-x:hidden}
.person a,.dl,.info-box a,.footer-links a{overflow-wrap:anywhere;word-break:break-word}
img{max-width:100%;display:block}
a{color:var(--blue);text-decoration:none;transition:color .2s}
a:hover{color:var(--blue-dark)}
a:focus-visible,button:focus-visible{outline:3px solid var(--blue);outline-offset:3px;border-radius:4px}
.container{max-width:var(--maxw);margin:0 auto;padding:0 24px}
section{padding:76px 0}
h1,h2,h3,h4{line-height:1.2;color:var(--blue-darker);font-weight:700}
h1{font-size:clamp(2rem,4.5vw,3.2rem)}
h2{font-size:clamp(1.6rem,3vw,2.3rem)}
h3{font-size:1.3rem}
p{margin-bottom:1rem;color:var(--muted)}
.lead{font-size:1.15rem;color:var(--ink)}

.eyebrow{display:inline-block;font-size:.8rem;font-weight:700;letter-spacing:.12em;text-transform:uppercase;color:var(--blue);margin-bottom:.6rem}
.section-head{max-width:760px;margin:0 auto 48px;text-align:center}
.section-head p{font-size:1.08rem}
.bg-soft{background:var(--bg-soft)}
.center{text-align:center}

.btn{display:inline-flex;align-items:center;gap:.5rem;padding:13px 26px;border-radius:50px;font-weight:600;font-size:1rem;border:2px solid transparent;cursor:pointer;transition:.22s}
.btn-primary{background:var(--blue);color:#fff}
.btn-primary:hover{background:var(--blue-dark);color:#fff;transform:translateY(-2px);box-shadow:var(--shadow)}
.btn-ghost{border-color:#fff;color:#fff}
.btn-ghost:hover{background:#fff;color:var(--blue-dark)}
.btn-outline{border-color:var(--blue);color:var(--blue)}
.btn-outline:hover{background:var(--blue);color:#fff}

/* ============ HEADER / NAV ============ */
.site-header{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.96);backdrop-filter:blur(8px);border-bottom:1px solid var(--line)}
.nav{display:flex;align-items:center;justify-content:space-between;height:74px}
.brand{display:flex;align-items:center;gap:12px;font-weight:800;color:var(--blue-darker);font-size:1.15rem}
.brand small{display:block;font-size:.7rem;font-weight:500;color:var(--muted);letter-spacing:.02em}
.nav-links{display:flex;align-items:center;gap:6px;list-style:none}
.nav-links a{color:var(--ink);font-weight:600;font-size:.96rem;padding:9px 14px;border-radius:8px}
.nav-links a:hover,.nav-links a:focus-visible{background:var(--blue-50);color:var(--blue-dark)}
.nav-links a.active{color:var(--blue);background:var(--blue-50)}
.nav-right{display:flex;align-items:center;gap:14px}
.lang{display:flex;gap:4px;font-size:.85rem;font-weight:600}
.lang a{padding:5px 8px;border-radius:6px;color:var(--muted)}
.lang a.on{background:var(--blue);color:#fff}
.nav-toggle{display:none;background:none;border:0;cursor:pointer;width:42px;height:42px}
.nav-toggle span{display:block;width:24px;height:2.5px;background:var(--blue-darker);margin:5px auto;border-radius:2px;transition:.3s}

/* ============ HERO ============ */
.hero{position:relative;color:#fff;text-align:left;background:linear-gradient(120deg,rgba(6,40,61,.86),rgba(0,73,127,.72)),url('../images/slider/budova.jpg') center/cover no-repeat;padding:120px 0 110px}
.hero .container{max-width:820px}
.hero h1{color:#fff;margin-bottom:1rem}
.hero p{color:rgba(255,255,255,.92);font-size:1.2rem;margin-bottom:1.8rem;max-width:620px}
.hero-cta{display:flex;gap:14px;flex-wrap:wrap}
.hero-stats{display:flex;gap:40px;margin-top:54px;flex-wrap:wrap}
.hero-stats .stat strong{display:block;font-size:2rem;color:#fff;font-weight:800}
.hero-stats .stat span{color:rgba(255,255,255,.8);font-size:.92rem}

/* ============ GRID / CARDS ============ */
.grid{display:grid;gap:26px}
.grid-2{grid-template-columns:repeat(2,1fr)}
.grid-3{grid-template-columns:repeat(3,1fr)}
.grid-4{grid-template-columns:repeat(4,1fr)}
.card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:30px;box-shadow:var(--shadow);transition:.25s}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg)}
.card .ico{width:54px;height:54px;border-radius:12px;background:var(--blue-50);color:var(--blue);display:grid;place-items:center;margin-bottom:16px;font-size:1.5rem}
.card h3{margin-bottom:.5rem}
.card p{margin-bottom:0;font-size:.97rem}

.split{display:grid;grid-template-columns:1fr 1fr;gap:54px;align-items:center}
.split img{border-radius:var(--radius);box-shadow:var(--shadow)}
.checklist{list-style:none;margin-top:1rem}
.checklist li{position:relative;padding-left:32px;margin-bottom:12px;color:var(--ink)}
.checklist li::before{content:"";position:absolute;left:0;top:7px;width:18px;height:18px;border-radius:50%;background:var(--blue);-webkit-mask:url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'><path fill='white' d='M9 16.2 4.8 12l-1.4 1.4L9 19 21 7l-1.4-1.4z'/></svg>") center/14px no-repeat;mask:url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'><path fill='white' d='M9 16.2 4.8 12l-1.4 1.4L9 19 21 7l-1.4-1.4z'/></svg>") center/14px no-repeat}

.tile{background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow);transition:.25s}
.tile:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg)}
.tile img{width:100%;height:210px;object-fit:cover;background:#f0f4f8}
.tile .tile-body{padding:22px 24px}
.tile h4{color:var(--blue-darker);font-size:1.1rem;margin-bottom:.3rem}
.tile p{margin:0;font-size:.92rem}

.cert img{height:230px;object-fit:contain;padding:14px;background:var(--bg-soft)}
.cert{cursor:zoom-in}

/* Lightbox */
.lightbox{position:fixed;inset:0;z-index:100;display:none;align-items:center;justify-content:center;padding:24px}
.lightbox.open{display:flex}
.lightbox-backdrop{position:absolute;inset:0;background:rgba(6,40,61,.82);-webkit-backdrop-filter:blur(3px);backdrop-filter:blur(3px)}
.lightbox-content{position:relative;z-index:1;max-width:min(920px,92vw);max-height:90vh;display:flex;flex-direction:column;align-items:center;animation:lbIn .25s ease}
.lightbox-img{max-width:100%;max-height:80vh;object-fit:contain;border-radius:8px;background:#fff;box-shadow:var(--shadow-lg)}
.lightbox-caption{color:#fff;margin:14px 0 0;font-weight:600;text-align:center}
.lightbox-close{position:absolute;top:-48px;right:0;width:40px;height:40px;border:0;border-radius:50%;background:#fff;color:var(--blue-darker);font-size:1.7rem;line-height:1;cursor:pointer;display:grid;place-items:center;box-shadow:var(--shadow)}
.lightbox-close:hover{background:var(--blue);color:#fff}
@keyframes lbIn{from{opacity:0;transform:scale(.96)}to{opacity:1;transform:none}}
@media(max-width:560px){.lightbox{padding:16px}.lightbox-close{top:-44px}}

/* Logo */
.brand{gap:0}
.brand-logo{height:48px;width:auto;display:block}
.footer-logo{height:54px;width:auto;display:inline-block;background:#fff;padding:8px 12px;border-radius:10px;margin-bottom:14px}
@media(max-width:430px){.brand-logo{height:40px}}

/* CTA band */
.cta-band{background:linear-gradient(120deg,var(--blue-darker),var(--blue));color:#fff;text-align:center}
.cta-band h2{color:#fff}
.cta-band p{color:rgba(255,255,255,.9);max-width:560px;margin:0 auto 1.6rem}

/* ============ DEPT TABS ============ */
.dept-tabs{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:28px}
.dept-tab{padding:9px 18px;border-radius:50px;font-size:.88rem;font-weight:600;background:var(--bg-soft);border:1.5px solid var(--line);color:var(--ink);cursor:pointer;transition:.2s;white-space:nowrap}
.dept-tab:hover{border-color:var(--blue);color:var(--blue)}
.dept-tab.active{background:var(--blue);border-color:var(--blue);color:#fff}
.dept-panel{display:none}
.dept-panel.active{display:block}

/* ============ CONTACT ============ */
.contact-grid{display:grid;grid-template-columns:1.4fr 1fr;gap:40px;align-items:start}
.dept{margin-bottom:30px}
.dept h3{font-size:1.05rem;color:var(--blue);border-bottom:2px solid var(--blue-100);padding-bottom:8px;margin-bottom:16px}
.people{display:grid;grid-template-columns:repeat(2,1fr);gap:18px}
.person{background:#fff;border:1px solid var(--line);border-radius:var(--radius-sm);padding:16px 18px}
.person strong{color:var(--blue-darker)}
.person .role{font-size:.85rem;color:var(--muted);margin-bottom:8px}
.person a,.person .tel{display:flex;align-items:center;gap:7px;font-size:.9rem;margin-top:3px;color:var(--muted)}
.person a:hover{color:var(--blue)}
.info-box{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:26px;box-shadow:var(--shadow);position:sticky;top:96px}
.info-box h3{margin-bottom:12px}
.info-box table{width:100%;border-collapse:collapse;font-size:.92rem;margin:10px 0}
.info-box td{padding:5px 0;color:var(--muted)}
.info-box td:first-child{font-weight:600;color:var(--ink);width:42%}
.info-box iframe{width:100%;height:200px;border:0;border-radius:var(--radius-sm);margin-top:14px}
.hours{display:flex;gap:10px;align-items:center;background:var(--blue-50);border-radius:10px;padding:10px 14px;margin-bottom:10px;font-size:.9rem;color:var(--ink)}

/* ============ DOWNLOADS ============ */
.dl{display:flex;align-items:center;gap:16px;background:#fff;border:1px solid var(--line);border-radius:var(--radius-sm);padding:18px 20px;box-shadow:var(--shadow);transition:.2s}
.dl:hover{border-color:var(--blue);transform:translateX(3px)}
.dl .pdf{width:46px;height:46px;border-radius:9px;background:#fde8e8;color:#c0392b;display:grid;place-items:center;font-weight:800;font-size:.8rem;flex-shrink:0}
.dl strong{color:var(--blue-darker);display:block}
.dl span{font-size:.85rem;color:var(--muted)}

/* ============ PAGE HEADER ============ */
.page-hero{background:var(--blue-darker);color:#fff;padding:64px 0;text-align:center}
.page-hero h1{color:#fff;margin-bottom:.4rem}
.page-hero p{color:rgba(255,255,255,.82);max-width:620px;margin:0 auto}
.breadcrumb{font-size:.85rem;color:rgba(255,255,255,.6);margin-bottom:14px}
.breadcrumb a{color:rgba(255,255,255,.85)}

/* ============ GDPR / prose ============ */
.prose{max-width:880px;margin:0 auto}
.prose h2{font-size:1.5rem;margin:34px 0 14px;padding-top:10px}
.prose h3{font-size:1.15rem;margin:22px 0 8px;color:var(--blue-dark)}
.prose p{color:var(--ink)}
.prose ul{margin:0 0 1rem 1.2rem;color:var(--ink)}
.prose li{margin-bottom:6px}
.toc{background:var(--bg-soft);border:1px solid var(--line);border-radius:var(--radius);padding:24px 28px;margin-bottom:30px}
.toc h3{margin-bottom:10px}
.toc ul{list-style:none}
.toc li{margin-bottom:6px}
.gdpr-table{width:100%;border-collapse:collapse;font-size:.9rem;margin:1.5rem 0;overflow-x:auto;display:block}
.gdpr-table th,.gdpr-table td{border:1px solid var(--line);padding:10px 14px;text-align:left;vertical-align:top;min-width:120px}
.gdpr-table th{background:var(--blue-50);font-weight:700;color:var(--blue-darker)}

/* ============ FADE-IN ============ */
.reveal{opacity:0;transform:translateY(28px);transition:opacity .6s ease,transform .6s ease}
.reveal.visible{opacity:1;transform:none}
@media(prefers-reduced-motion:reduce){.reveal,.reveal.visible{opacity:1;transform:none;transition:none}}

/* ============ FOOTER ============ */
.site-footer{background:var(--blue-darker);color:rgba(255,255,255,.75);padding:60px 0 0}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr;gap:40px;padding-bottom:44px}
.site-footer h4{color:#fff;font-size:1rem;margin-bottom:16px;letter-spacing:.02em}
.site-footer a{color:rgba(255,255,255,.75)}
.site-footer a:hover{color:#fff}
.footer-links{list-style:none}
.footer-links li{margin-bottom:9px}
.footer-bottom{border-top:1px solid rgba(255,255,255,.12);padding:20px 0;font-size:.85rem;display:flex;justify-content:space-between;flex-wrap:wrap;gap:10px}

/* ============ RESPONSIVE ============ */
@media(max-width:960px){
  .grid-4{grid-template-columns:repeat(2,1fr)}
  .grid-3{grid-template-columns:repeat(2,1fr)}
  .contact-grid{grid-template-columns:1fr}
  .info-box{position:static}
  .footer-grid{grid-template-columns:1fr 1fr}
}
@media(max-width:720px){
  section{padding:54px 0}
  .nav-links{position:fixed;inset:74px 0 auto 0;background:#fff;flex-direction:column;gap:0;padding:10px 24px 24px;border-bottom:1px solid var(--line);box-shadow:var(--shadow);transform:translateY(-150%);transition:transform .32s;align-items:stretch}
  .nav-links.open{transform:translateY(0)}
  .nav-links a{padding:13px 10px;border-radius:8px}
  .nav-toggle{display:block}
  .grid-2,.grid-3,.grid-4{grid-template-columns:1fr}
  .split{grid-template-columns:1fr;gap:28px}
  .people{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr}
  .hero{padding:80px 0 70px}
  .hero-stats{gap:26px}
  .info-box iframe{height:200px}
  .container{padding:0 18px}
}
@media(max-width:430px){
  body{font-size:16px}
  .hero-stats{gap:18px}
  .hero-stats .stat strong{font-size:1.55rem}
  .hero-cta .btn{width:100%;justify-content:center}
  .btn{padding:12px 20px}
  .page-hero{padding:48px 0}
}


/* ===== Doplnené triedy (parita so SDC vzorom) ===== */
.eyebrow-light{color:rgba(255,255,255,.85)}   /* hero eyebrow na tmavom pozadí */
.cta-more{margin-top:36px}                     /* odkaz pod zoznamom produktov */
.helper-note{margin-top:24px;color:var(--muted);font-size:.9rem} /* drobný info text */
.helper-note.center{text-align:center}
.info-box h4{margin-top:20px;margin-bottom:6px;font-size:1rem;color:var(--blue-darker)}
.info-box p{font-size:.9rem;color:var(--muted);margin-bottom:4px}
.info-box p strong{color:var(--ink)}
.info-box .duns{font-size:.85rem;color:var(--muted)}
.info-box table{margin-top:16px}

/* Oddelenie certifikátov podľa prevádzky */
.plant-head{margin:40px 0 18px;padding-top:30px;border-top:2px solid var(--line);color:var(--blue-darker);font-size:1.3rem}
.plant-head:first-of-type{border-top:0;padding-top:0;margin-top:8px}