:root{
  --brand:#0B61C2;
  --brand-700:#084E9B;
  --brand-300:#3B86E0;
  --ink:#0d0d0d;
  --muted:#5b6168;
  --bg:#ffffff;
  --surface:#f5f7fa;
  --radius:12px;
  --shadow:0 10px 28px rgba(0,0,0,.06);
  --navH:74px;
  --success:#22c55e;
  --success-700:#15803d;
  --success-100:#dcfce7;
}


html, body {
  overflow-x: hidden;
}


/* Reset */
*{margin:0;padding:0;box-sizing:border-box}
html,body{height:100%}
html{-webkit-text-size-adjust:100%} /* iPhone text auto-zoom OFF */
body{
  font-family:'Montserrat',system-ui,-apple-system,Segoe UI,Roboto,Ubuntu,Cantarell,'Helvetica Neue',Arial;
  background:var(--bg);
  color:var(--ink);
  line-height:1.6;
}
a{color:inherit;text-decoration:none}

/* Disable body scroll when lightbox/dialog is open */
body.no-scroll{overflow:hidden}

/* ========================= HEADER ========================= */
header{
  position:fixed;inset:0 0 auto 0;z-index:1000;
  height:var(--navH);
  background:#fff;
  border-bottom:4px solid var(--brand);
}
header .wrap{
  max-width:1200px;margin:0 auto;
  height:100%;padding:0 24px;
  display:flex;align-items:center;justify-content:space-between;width:100%;
}

/* Logo */
header .logo{display:flex;align-items:center;height:100%}
header .logo img{
  max-height:calc(var(--navH) - 10px) !important;
  height:auto !important;width:auto !important;display:block;
}
nav ul{list-style:none;display:flex;gap:26px;align-items:center;flex-wrap:wrap}
.nav-link{font-weight:600;transition:color .2s}
.nav-link:hover{color:var(--brand)}



/* CTA */
header nav a.btn{
  display:inline-flex;align-items:center;justify-content:center;
  height:auto;
  padding:12px 22px;
  border-radius:999px;
  background:#0B61C2; /* fallback pre staršie prehliadače */
  background:var(--brand);
  color:#fff!important;
  font-weight:700;border:0;box-shadow:var(--shadow);
  transition:background .2s,transform .1s,box-shadow .2s;
}
header nav a.btn:hover,
header nav a.btn:focus-visible{background:var(--brand-700);transform:translateY(-2px);color:#fff!important}

/* Všeobecná .btn pre odkazy mimo headeru (napr. hero CTA) */
.btn{
  display:inline-flex;align-items:center;justify-content:center;
  background:#0B61C2; /* fallback */
  background:var(--brand);color:#fff!important;
  padding:12px 22px;border-radius:999px;font-weight:700;border:0;box-shadow:var(--shadow);
  transition:background .2s,transform .1s,box-shadow .2s;text-decoration:none
}
.btn:link,.btn:visited{color:#fff!important}
.btn:hover,.btn:focus-visible{background:var(--brand-700);transform:translateY(-2px);color:#fff!important}

/* Pás pod headerom */
.brand-stripe{
  height:10px;margin-top:var(--navH);
  background:linear-gradient(90deg,var(--brand)0 40%,var(--brand-300)40% 70%,var(--ink)70% 100%);
}

/* ========================= HERO ========================= */
.hero{
  min-height:72vh;display:flex;align-items:center;justify-content:center;
  text-align:center;padding:0 20px;position:relative;isolation:isolate;
}
.hero .hero-text{max-width:900px;position:relative;z-index:2}
.hero h1{
  font-size:clamp(30px,3.6vw + 10px,48px);
  margin-bottom:14px;color:#fff;font-weight:800;letter-spacing:.2px;
  text-shadow:0 2px 18px rgba(0,0,0,.35);
}
.hero p{
  font-size:clamp(16px,1vw + 12px,20px);
  color:#eef3ff;max-width:800px;margin:0 auto 26px;
  text-shadow:0 2px 14px rgba(0,0,0,.35);
}
.hero--welder{
  background:
    linear-gradient(to bottom,rgba(11,97,194,.55)0%,rgba(11,97,194,.28)25%,rgba(0,0,0,.55)100%),
    url('images/hero-welder.jpg.png') center/cover no-repeat;
  color:#fff;
}
.fade-overlay{
  position:absolute;inset:0;z-index:1;pointer-events:none;
  background:
    radial-gradient(120% 90% at 50% 10%,rgba(255,255,255,.06)0%,rgba(255,255,255,0)55%),
    radial-gradient(120% 120% at 50% 120%,rgba(0,0,0,.38)0%,rgba(0,0,0,0)45%),
    linear-gradient(to top,rgba(0,0,0,.45)0%,rgba(0,0,0,0)40%),
    linear-gradient(to bottom,rgba(0,0,0,0)60%,rgba(0,0,0,.45)100%);
  animation:heroFade 1s ease both;
}
@keyframes heroFade{from{opacity:0}to{opacity:1}}

/* ========================= SLUŽBY ========================= */
#services{padding:80px 20px;max-width:1200px;margin:0 auto}
#services h2{text-align:center;font-size:32px;margin-bottom:50px}
.services-grid{
  display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));
  gap:30px;justify-items:center;
}
.card{
  background:var(--surface);padding:30px;border-radius:var(--radius);
  box-shadow:var(--shadow);text-align:center;transition:transform .2s;
}
.card:hover{transform:translateY(-5px)}
.card img.icon{height:60px;margin-bottom:16px}

/* ========================= ABOUT ========================= */
#about{padding:80px 20px;max-width:900px;margin:0 auto;text-align:center}
#about h2{font-size:32px;margin-bottom:20px}
#about p{font-size:18px;color:var(--muted)}

/* ========================= PROJECTS ========================= */
#projects{padding:80px 20px;max-width:1200px;margin:0 auto}
#projects h2{text-align:center;font-size:32px;margin-bottom:50px}
.project-card{margin-bottom:40px;background:var(--surface);padding:20px;border-radius:var(--radius);box-shadow:var(--shadow)}
.thumb-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(160px,1fr));gap:12px}
.thumb-grid img{width:100%;height:160px;object-fit:cover;border-radius:10px;display:block;background:transparent}
.thumb-grid img{transition:transform .25s cubic-bezier(.2,.65,.3,1), box-shadow .25s}
@media (hover:hover){
  .thumb-grid img:hover{transform:scale(1.035); box-shadow:0 10px 24px rgba(0,0,0,.14)}
}
.project-card h3{margin:14px 0 6px;font-size:22px}
.project-card p{color:var(--muted);font-size:16px}

/* ========================= FORM ========================= */
#form{padding:60px 20px}
.form-container{max-width:760px;margin:0 auto;background:#fff;border-radius:var(--radius);box-shadow:var(--shadow);padding:26px}
.form-row{display:flex;flex-direction:column;gap:8px;margin-bottom:16px}
label{font-weight:600}
input[type="text"],input[type="email"],input[type="tel"],input[type="date"],input[type="file"],select,textarea{
  border:1px solid #dfe4ea;border-radius:10px;padding:12px 14px;font:inherit;outline:none;background:#fbfcfe;
  transition:border-color .2s,box-shadow .2s,background .2s;
}
textarea{resize:vertical}
input:focus,select:focus,textarea:focus{border-color:var(--brand);box-shadow:0 0 0 4px rgba(11,97,194,.12);background:#fff}
.form-check{display:flex;align-items:flex-start;gap:10px;margin:10px 0 18px}
.form-check input{margin-top:3px;width:18px;height:18px}
.btn--full{width:100%}

/* --- Objednávkový formulár (štýly použité v objednavka.html) --- */
.form-wrapper{max-width:880px;margin:0 auto;padding:0 20px}
.form-card{background:#fff;border-radius:var(--radius);box-shadow:var(--shadow);padding:28px}
.form-card h2{font-size:28px;margin-bottom:6px}
.form-card .sub{color:var(--muted);font-size:14px;margin-bottom:18px}
.field{margin-bottom:16px}
.field label{display:block;font-weight:700;margin-bottom:6px}
.field input[type="text"],
.field input[type="email"],
.field input[type="tel"],
.field input[type="date"],
.field input[type="file"],
.field select,
.field textarea{width:100%;border:1px solid #dfe4ea;border-radius:10px;padding:12px 14px;font:inherit;outline:none;background:#fbfcfe;transition:border-color .2s,box-shadow .2s,background .2s}
.field textarea{resize:vertical}
.field input:focus,.field select:focus,.field textarea:focus{border-color:var(--brand);box-shadow:0 0 0 4px rgba(11,97,194,.12);background:#fff}
.hint{font-size:13px;color:var(--muted);margin-top:6px}
.error{color:#b91c1c;font-weight:600;font-size:14px;margin-top:6px}

/* Telefón – všetko pod sebou */
.phone-row{display:flex;flex-direction:column;gap:8px}
.phone-row .country{flex:1 1 auto;width:100%}
.phone-row .dial{flex:1 1 auto;align-self:stretch;padding:12px 14px;border:1px solid #dfe4ea;border-radius:10px;background:#fbfcfe;font-weight:700;min-width:0;text-align:left}
.phone-row .number{flex:1 1 auto}
.phone-row .number input{width:100%}





/* ========================= FOOTER ========================= */
#contact{padding:80px 20px;text-align:center}
#contact h2{font-size:32px;margin-bottom:20px}
#contact p{font-size:18px;color:var(--muted)}
footer{margin-top:60px;background:#0d0d0d;color:#fff;text-align:center;padding:20px;font-size:14px}

/* ========================= ANIMÁCIE ========================= */
.fade-in{opacity:0;transform:translateY(14px);animation:fadeInUp .7s ease forwards;animation-play-state:paused;will-change:opacity,transform}
@keyframes fadeInUp{to{opacity:1;transform:translateY(0)}}
.animate-text{animation:fadeInUp 1s ease forwards}

/* ========================= THANK YOU ========================= */
.thanks-wrap{
  min-height:calc(100vh - var(--navH) - 10px);
  display:flex;align-items:center;justify-content:center;
  padding:32px 16px;text-align:center;background:linear-gradient(180deg,#f8fff9 0%, #ffffff 38%);
}
.thanks-card{background:#fff;padding:32px 28px;max-width:640px;width:min(92vw,640px);border-radius:24px;box-shadow:var(--shadow)}
.thanks-icon{
  width:96px;height:96px;margin:0 auto 14px;border-radius:999px;display:grid;place-items:center;color:var(--success);
  background:radial-gradient(60% 60% at 50% 40%, var(--success-100), #fff);box-shadow:0 10px 28px rgba(34,197,94,.18);animation:pop .55s ease-out both;
}
.thanks-icon svg{width:58px;height:58px}
.thanks-card h1{font-size:clamp(22px,2.5vw,28px);margin:6px 0 6px}
.thanks-card p{color:var(--muted);margin:4px 0 18px}
#countdown{font-weight:800;color:var(--success-700);font-variant-numeric:tabular-nums}
@keyframes pop{from{transform:scale(.7);opacity:0}to{transform:scale(1);opacity:1}}
@media (prefers-reduced-motion:reduce){
  .thanks-icon{animation:none}
  .fade-in,.animate-text{animation:none!important}
}

/* ========================= RESPONSIVE ========================= */
/* ======== Hamburger button (hidden on desktop) ======== */
.nav-toggle{
  display:none; /* show it only on mobile */
  appearance:none;border:0;background:transparent;cursor:pointer;
  width:42px;height:42px;border-radius:10px;
  align-items:center;justify-content:center;
}
.nav-toggle__bars,
.nav-toggle__bars::before,
.nav-toggle__bars::after{
  content:"";display:block;width:24px;height:2px;background:var(--ink);
  border-radius:2px;transition:transform .2s ease, opacity .2s ease, background .2s ease;
  position:relative;
}
.nav-toggle__bars::before{ position:absolute; transform:translateY(-7px); }
.nav-toggle__bars::after { position:absolute; transform:translateY(7px); }

/* X state when menu is open */
body.menu-open .nav-toggle__bars{ background:transparent; }
body.menu-open .nav-toggle__bars::before{ transform:rotate(45deg); }
body.menu-open .nav-toggle__bars::after { transform:rotate(-45deg); }

/* ======== Mobile dropdown nav ======== */
@media (max-width:768px){
  .nav-toggle{ display:flex; }

  /* Turn the same nav into a fixed dropdown below the header */
  #site-nav{
    position:fixed; left:0; right:0; top:var(--navH);
    background:#fff; z-index:999; /* just below header's z-index */
    border-bottom:1px solid #e9edf3;
    opacity:0; visibility:hidden; transform:translateY(-8px);
    transition:opacity .18s ease, transform .18s ease, visibility .18s;
    padding:8px 14px 12px;
  }
  body.menu-open #site-nav{
    opacity:1; visibility:visible; transform:translateY(0);
  }

  /* Stack nav items vertically with touch-friendly spacing */
  #site-nav ul{
    display:flex; flex-direction:column; gap:6px;
    overflow:visible; flex-wrap:nowrap;
  }
  #site-nav a{
    display:block; padding:10px 6px; border-radius:10px;
  }
  #site-nav a:active{ background:var(--surface); }

  /* Backdrop scrim behind the dropdown */
  .mobile-scrim{
    position:fixed; inset:0; z-index:998;
    background:rgba(0,0,0,.35); backdrop-filter:blur(2px);
    opacity:0; visibility:hidden; transition:opacity .18s ease, visibility .18s;
  }
  body.menu-open .mobile-scrim{ opacity:1; visibility:visible; }
}

/* Keep anchored sections visible below the fixed header on all screens */
[id] { scroll-margin-top: calc(var(--navH) + 16px); }

/* Respect iOS safe-area (notch) for the fixed header */
@supports (padding: max(0px)) {
  header { padding-top: max(0px, env(safe-area-inset-top)); }
}

/* Univerzálne obrazky/SVG */
img, svg{max-width:100%;height:auto}

/* ========================= FLIPBOOK BASE (galéria) ========================= */
#flipbook{padding:60px 16px;width: 100%;}
#flipbook .wrap{max-width:1200px;margin:0 auto}

/* Toolbar */
#flipbook .fb-toolbar{display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap;margin:10px 0 16px}
#flipbook .fb-brand{font-weight:800;font-size:20px}
#flipbook .fb-toolbar .right{display:flex;align-items:center;gap:12px}
#flipbook .fb-search{flex:1 1 12px;min-width:220px;border:1px solid #dfe4ea;border-radius:10px;padding:10px 12px;background:#fbfcfe}
#flipbook .fb-select{flex:0 0 auto;border:1px solid #dfe4ea;border-radius:10px;padding:10px 12px;background:#fbfcfe}
#flipbook .fb-btn{flex:0 0 auto;display:inline-flex;align-items:center;justify-content:center;padding:10px 16px;border-radius:999px;background:var(--brand);color:#fff;border:0;font-weight:700;box-shadow:var(--shadow);cursor:pointer}
#flipbook .fb-btn:hover{background:var(--brand-700)}
#flipbook .fb-btn-rst{flex:0 0 auto;display:inline-flex;align-items:center;justify-content:center;padding:10px 16px;border-radius:999px;background:var(--brand);color:#fff;border:0;font-weight:700;box-shadow:var(--shadow);cursor:pointer}
#flipbook .fb-btn-rst:hover{background:var(--brand-700)}

/* Stage + Book */
#flipbook .fb-stage{display:flex;flex-direction:column;gap:14px}
#flipbook .fb-book{display:grid;grid-template-columns:1fr 1fr;gap:20px;align-items:stretch}
#flipbook .fb-page{background:#fff;border-radius:var(--radius);box-shadow:var(--shadow);overflow:hidden}

/* Photos grid */
#flipbook .fb-photos{display:grid;grid-template-columns:repeat(2,1fr);gap:10px;padding:16px}
#flipbook .fb-photos figure{position:relative;margin:0}
#flipbook .fb-photos img{width:100%;height:180px;object-fit:cover;display:block;border-radius:10px;background:#f0f3f7}
#flipbook .fb-photos img{transition:transform .25s cubic-bezier(.2,.65,.3,1), box-shadow .25s}
@media (hover:hover){
  #flipbook .fb-photos figure:hover img{transform:scale(1.035); box-shadow:0 10px 24px rgba(0,0,0,.14)}
}
.fb-badge{position:absolute;right:8px;bottom:8px;background:rgba(0,0,0,.55);color:#fff;border-radius:999px;padding:2px 8px;font-size:12px}

/* Meta panel */
#flipbook .fb-meta{padding:18px}
#flipbook .fb-title{font-size:22px;font-weight:800;margin-bottom:4px}
#flipbook .fb-sub{color:var(--muted);margin-bottom:10px}
#flipbook .fb-chips{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:12px}
.fb-chip{display:inline-flex;align-items:center;gap:6px;padding:6px 10px;border-radius:999px;background:var(--surface);font-size:13px}
#flipbook .fb-kvp{display:grid;grid-template-columns:auto 1fr;gap:6px 12px;margin:8px 0 10px}
#flipbook .fb-kvp .k{font-weight:700}
#flipbook .fb-desc{color:var(--muted)}

/* Nav + Thumbs */
#flipbook .fb-nav{display:flex;align-items:center;justify-content:center;gap:12px;margin-top:4px}
#flipbook .fb-index{font-weight:700}
#flipbook .fb-thumbs{display:flex;gap:10px;overflow-x:auto;-webkit-overflow-scrolling:touch;padding:8px 2px}
#flipbook .fb-thumbs button{border:0;background:transparent;padding:0;cursor:pointer}
#flipbook .fb-thumbs img{width:120px;height:80px;border-radius:8px;object-fit:cover;display:block;opacity:.9;transition:opacity .2s}
#flipbook .fb-thumbs img{transition:transform .2s ease, opacity .2s}
@media (hover:hover){
  #flipbook .fb-thumbs img:hover{transform:scale(1.05); opacity:1}
}
#flipbook .fb-thumbs img:hover{opacity:1}
#flipbook .fb-thumbs [aria-current="true"] img{outline:2px solid var(--brand);opacity:1}

/* Lightbox base (detail fotky) */
.fb-lightbox{position:fixed;inset:0;z-index:2000;display:block;background:rgba(0,0,0,.86)}
.fb-lb-backdrop{position:absolute;inset:0}
.fb-lb-dialog{position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);background:#111;border-radius:18px;padding:12px 12px 48px;box-shadow:0 24px 60px rgba(0,0,0,.45)}
.fb-lb-frame{display:grid;place-items:center}
.fb-lb-img{display:block;max-width:calc(100% - 64px);max-height:calc(80vh - 64px);object-fit:contain;border-radius:12px}
.fb-lb-close{position:absolute;right:8px;top:8px;width:36px;height:36px;border-radius:999px;border:0;background:rgba(255,255,255,.16);color:#fff;font-size:20px;cursor:pointer}
.fb-lb-nav{position:absolute;top:50%;transform:translateY(-50%);width:44px;height:44px;border-radius:999px;border:0;background:rgba(255,255,255,.14);color:#fff;display:flex;align-items:center;justify-content:center;cursor:pointer}
.fb-lb-prev{left:6px}
.fb-lb-next{right:6px}
.fb-lb-counter{position:absolute;left:12px;bottom:8px;color:#fff;font-weight:700}
.fb-lb-zoom{position:absolute;right:12px;bottom:8px;display:flex;gap:8px}
.fb-lb-zoom [data-zoom]{width:34px;height:34px;border-radius:999px;border:0;background:rgba(255,255,255,.16);color:#fff;font-size:18px;cursor:pointer}

/* Flipbook responsívne doladenie (vybrané) */






@media (max-width: 768px) {
  #flipbook .fb-toolbar .right {
    flex-direction: column;
    align-items: stretch;
  }


  #flipbook .fb-btn-rst {
    width: 100%;
    height: 40px;
    font-size: 16px;
    box-sizing: border-box;
    display: flex;
    align-items: center;
  }

  #flipbook .fb-search,
  #flipbook .fb-select {
    width: 100%;
    height: 40px;
    font-size: 16px;
    box-sizing: border-box;
    display: flex;
    align-items: center;
  }

  #flipbook .fb-search input {
    width: 100%;
    height: 100%;
    padding: 0 10px 0 12px;
    font-size: 16px;
    box-sizing: border-box;
    border: 1px solid #ccc;
  }
  
  
 .fb-lb-dialog {
    position: absolute;
    left: 50%;
    top: 50%;
    transform: translate(-50%, -50%);
    width: 95vw;
    height: auto;
    max-height: 95vh;
    background: #111;
    border-radius: 18px;
    padding: 12px;
    box-shadow: 0 24px 60px rgba(0, 0, 0, 0.45);
    display: flex;
    align-items: center;
    justify-content: center;
    box-sizing: border-box;
  }

  #flipbook .fb-thumbs{
    display: none ;
  }

  

 







}





@media (min-width:1440px){
  #flipbook .wrap { width: min(100%, 1280px); }
  #flipbook .fb-photos img { height: 204px; }
}
@media (min-width:1200px) and (max-width:1439px){
  #flipbook .wrap { width: min(100%, 1200px); }
  #flipbook .fb-book { grid-template-columns:1fr 1fr; gap:20px; }
}
@media (min-width:1024px) and (max-width:1199px){
  #flipbook{padding:60px 16px;}
  #flipbook .wrap { width:min(100%,1040px); }
  #flipbook .fb-photos img{height:190px;}
}
@media (min-width:900px) and (max-width:1023px){
  #flipbook .fb-book{grid-template-columns:1fr 1fr; gap:18px;}
  #flipbook .fb-photos img{height:180px;}
}
@media (min-width:768px) and (max-width:899px){
  #flipbook{padding:56px 16px;}
  #flipbook .fb-book{display:flex;flex-direction:column;gap:16px;}
  #flipbook .fb-page:nth-child(2){order:1;}
  #flipbook .fb-page:nth-child(1){order:2;}
  #flipbook .fb-photos img{height:170px;}
}
@media (min-width:480px) and (max-width:767px){
  #flipbook{padding:52px 14px;}
  #flipbook .fb-book{display:flex;flex-direction:column;gap:14px;}
  #flipbook .fb-toolbar .right {width:100%;gap:10px;}
  #flipbook .fb-photos {padding:14px;grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));}
  #flipbook .fb-photos img{height:150px;}
  #flipbook .fb-thumbs img{width:96px;height:66px;}
}
@media (min-width:360px) and (max-width:479px){
  #flipbook{padding:48px 12px;}
  #flipbook .fb-book{display:flex;flex-direction:column;gap:12px;}
  #flipbook .fb-brand{font-size:21px;}
  #flipbook .fb-title{font-size:22px;}
  #flipbook .fb-photos img{height:138px;}
  #flipbook .fb-thumbs img{width:92px;height:64px;}
}
@media (max-width:359px){
  #flipbook{padding:44px 10px;}
  #flipbook .fb-book{display:flex;flex-direction:column;gap:10px;}
  #flipbook .fb-photos{grid-template-columns:1fr 1fr;gap:6px;}
  #flipbook .fb-photos img{height:120px;}
  #flipbook .fb-thumbs img{width:86px;height:60px;}
}


/* Performance tweaks */
#flipbook .fb-thumbs{ -webkit-overflow-scrolling: touch; scroll-snap-type: x mandatory; padding-block-end: 12px; content-visibility: auto; contain-intrinsic-size: 80px 120px; }
#flipbook .fb-thumbs > *{ scroll-snap-align: start; }
#flipbook .fb-toolbar{ row-gap: 8px; }
#flipbook .fb-toolbar .right{ flex: 1 1 100%; justify-content: flex-start; }
#flipbook .fb-nav{ flex-wrap: wrap; padding-inline: 2px; }
#flipbook .fb-page{ will-change: transform; contain: layout paint style; }

@media (prefers-color-scheme: dark){ .fb-lb-dialog{ border-color: rgba(255,255,255,.08); box-shadow: 0 24px 60px rgba(0,0,0,.5); } }
@media (prefers-reduced-motion: reduce){ .fb-lb-dialog, .fb-lb-img { transition: none !important; } }