/* ===== NEXIRA SOLUTIONS – web ===== */
:root{
  --bg:#0a0d16;
  --bg-alt:#0f1424;
  --card:#141a2c;
  --card-hover:#1a2238;
  --line:rgba(255,255,255,.08);
  --text:#e8ecf6;
  --muted:#9aa6c0;
  --blue:#2b6fff;
  --teal:#19c3c3;
  --accent:linear-gradient(135deg,#2b6fff,#19c3c3);
  --radius:16px;
  --maxw:1140px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;background:var(--bg);color:var(--text);
  font-family:"Segoe UI",system-ui,-apple-system,Arial,sans-serif;
  line-height:1.6;-webkit-font-smoothing:antialiased;overflow-x:hidden;
}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
h1,h2,h3{line-height:1.15;margin:0 0 .5em;font-weight:800;letter-spacing:-.02em}
h1{font-size:clamp(2.1rem,5vw,3.6rem)}
h2{font-size:clamp(1.6rem,3.5vw,2.4rem)}
p{margin:0 0 1rem}
.container{width:100%;max-width:var(--maxw);margin:0 auto;padding:0 22px}

/* ---- Tlačidlá ---- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:.5em;
  padding:.8em 1.5em;border-radius:999px;font-weight:700;font-size:.97rem;
  border:1px solid transparent;cursor:pointer;transition:.2s;white-space:nowrap}
.btn-primary{background:var(--accent);color:#fff;box-shadow:0 8px 24px rgba(43,111,255,.32)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 12px 30px rgba(43,111,255,.45)}
.btn-ghost{background:rgba(255,255,255,.04);color:var(--text);border-color:var(--line)}
.btn-ghost:hover{background:rgba(255,255,255,.1);border-color:rgba(255,255,255,.25)}
.btn-lg{padding:1em 1.9em;font-size:1.05rem}
.btn-block{display:flex;width:100%}

/* ---- Hlavička ---- */
.site-header{position:fixed;top:0;left:0;right:0;z-index:50;transition:.3s}
.site-header.scrolled{background:rgba(10,13,22,.85);backdrop-filter:blur(12px);
  border-bottom:1px solid var(--line)}
.nav-wrap{display:flex;align-items:center;justify-content:space-between;height:84px}
.brand-logo{height:52px;width:auto}
.nav{display:flex;align-items:center;gap:18px}
.nav a{color:var(--muted);font-weight:600;font-size:.9rem;transition:.2s;white-space:nowrap}
.nav a:hover{color:var(--teal)}
.nav .nav-cta{color:#fff}
.nav-toggle{display:none;flex-direction:column;gap:5px;background:none;border:0;cursor:pointer;padding:8px}
.nav-toggle span{width:24px;height:2px;background:var(--text);border-radius:2px;transition:.3s}

/* ---- Hero ---- */
.hero{position:relative;min-height:100vh;display:flex;align-items:center;
  overflow:hidden;background:var(--bg)}
.hero-video{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;z-index:0}
.hero-overlay{position:absolute;inset:0;z-index:1;
  background:linear-gradient(180deg,rgba(10,13,22,.55) 0%,rgba(10,13,22,.78) 60%,rgba(10,13,22,.96) 100%)}
.hero-content{position:relative;z-index:2;padding-top:84px;max-width:780px}
.hero-kicker{letter-spacing:.28em;font-size:.8rem;font-weight:700;color:var(--teal);margin-bottom:1rem}
.hero-sub{font-size:1.18rem;color:var(--muted);max-width:620px;margin-bottom:2rem}
.hero-sub strong{color:var(--text)}
.hero-actions{display:flex;gap:14px;flex-wrap:wrap}
.scroll-hint{position:absolute;bottom:26px;left:50%;transform:translateX(-50%);z-index:2;
  color:var(--muted);font-size:1.6rem;animation:bounce 2s infinite}
@keyframes bounce{0%,100%{transform:translate(-50%,0)}50%{transform:translate(-50%,8px)}}

/* ---- Sekcie ---- */
.section{padding:96px 0}
.section-alt{background:var(--bg-alt)}
.section-head{max-width:680px;margin:0 auto 56px;text-align:center}
.eyebrow{letter-spacing:.2em;text-transform:uppercase;font-size:.78rem;font-weight:700;
  color:var(--teal);margin-bottom:.8rem}
.lead{color:var(--muted);font-size:1.1rem}

/* ---- Mriežky ---- */
.grid{display:grid;gap:22px}
.grid-2{grid-template-columns:repeat(2,1fr)}
.grid-3{grid-template-columns:repeat(3,1fr)}
.grid-4{grid-template-columns:repeat(4,1fr)}

/* ---- Karty ---- */
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);
  padding:30px;transition:.25s}
.card:hover{background:var(--card-hover);transform:translateY(-4px);border-color:rgba(43,111,255,.4)}
.card-icon{font-size:2rem;margin-bottom:14px}
.card h3{font-size:1.2rem}
.card p{color:var(--muted);margin:0}

/* ---- Výhody ---- */
.feature{text-align:center;padding:18px}
.feature-mark{font-size:2.2rem;margin-bottom:12px}
.feature h3{font-size:1.12rem}
.feature p{color:var(--muted);font-size:.96rem;margin:0}

/* ---- Cenník ---- */
.pricing{max-width:1160px;margin:0 auto}
.price-card{position:relative;background:var(--card);border:1px solid var(--line);
  border-radius:20px;padding:36px 30px;display:flex;flex-direction:column}
.price-featured{border-color:rgba(43,111,255,.55);
  box-shadow:0 20px 50px rgba(43,111,255,.18);background:linear-gradient(180deg,#16213c,#121829)}
.price-badge{position:absolute;top:-13px;left:50%;transform:translateX(-50%);
  background:var(--accent);color:#fff;font-size:.72rem;font-weight:700;letter-spacing:.08em;
  text-transform:uppercase;padding:6px 14px;border-radius:999px;white-space:nowrap}
.price-bot{position:absolute;top:8px;right:10px;height:86px;width:auto;object-fit:contain;
  filter:drop-shadow(0 6px 14px rgba(43,111,255,.35));pointer-events:none}
.price-name{font-size:1.4rem;margin-bottom:.3rem}
.price{margin:.2rem 0 .4rem}
.price .amount{font-size:2.5rem;font-weight:800}
.price .per{color:var(--muted);font-size:1rem;margin-left:6px}
.price-year{font-size:.92rem;color:var(--text);margin:0 0 .6rem;display:flex;align-items:center;gap:8px;flex-wrap:wrap}
.price-year strong{color:var(--text)}
.price-save{background:rgba(25,195,195,.15);color:var(--teal);font-size:.74rem;font-weight:700;padding:2px 9px;border-radius:99px}
.price-note{color:var(--muted);font-size:.95rem;margin-bottom:1.4rem}
.price-list{list-style:none;padding:0;margin:0 0 1.8rem;flex:1}
.price-list li{padding:9px 0 9px 28px;position:relative;border-bottom:1px solid var(--line);font-size:.97rem}
.price-list li:before{content:"✓";position:absolute;left:0;color:var(--teal);font-weight:800}
.price-disclaimer{text-align:center;color:var(--muted);font-size:.86rem;margin-top:26px}

/* ---- Naše produkty ---- */
.products{display:grid;grid-template-columns:repeat(2,1fr);gap:24px;align-items:stretch}
.product-card{background:var(--card);border:1px solid var(--line);border-radius:18px;overflow:hidden;display:flex;flex-direction:column;transition:.25s}
.product-card:hover{transform:translateY(-4px);border-color:rgba(43,111,255,.4)}
.product-featured{border-color:rgba(43,111,255,.45);box-shadow:0 20px 50px rgba(43,111,255,.15)}
.product-card{padding:16px}
.product-media{display:flex;align-items:center;justify-content:center;line-height:0;border-radius:12px;overflow:hidden;background:#0a0d16;aspect-ratio:1.19/1}
.product-media img{width:100%;height:100%;object-fit:contain;display:block;transition:transform .3s}
.product-media:hover img{transform:scale(1.02)}
.product-card .btn{margin-top:16px}
@media(max-width:820px){.products{grid-template-columns:1fr}}

/* ---- O nás ---- */
.about-wrap{display:grid;grid-template-columns:1.6fr 1fr;gap:50px;align-items:center}
.about-text p{color:var(--muted)}
.about-text strong{color:var(--text)}
.about-stats{display:grid;gap:16px}
.stat{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);
  padding:22px;text-align:center}
.stat-num{display:block;font-size:1.9rem;font-weight:800;
  background:var(--accent);-webkit-background-clip:text;background-clip:text;color:transparent}
.stat-label{color:var(--muted);font-size:.9rem}

/* ---- Kontakt ---- */
.contact-wrap{display:grid;grid-template-columns:1fr 1.1fr;gap:50px;align-items:start}
.contact-list{list-style:none;padding:0;margin:1.5rem 0 0;display:grid;gap:14px}
.contact-list li{display:flex;align-items:center;gap:12px;color:var(--muted)}
.contact-list a:hover{color:var(--text)}
.contact-form{background:var(--card);border:1px solid var(--line);border-radius:20px;padding:32px}
.field{margin-bottom:18px}
.field label{display:block;font-size:.9rem;font-weight:600;margin-bottom:6px}
.field input,.field textarea{width:100%;background:#0c1120;border:1px solid var(--line);
  border-radius:10px;padding:12px 14px;color:var(--text);font:inherit;font-size:.97rem;transition:.2s}
.field input:focus,.field textarea:focus{outline:none;border-color:var(--blue);
  box-shadow:0 0 0 3px rgba(43,111,255,.18)}
.field textarea{resize:vertical}
.hp{position:absolute;left:-9999px;width:1px;height:1px;opacity:0}
.form-msg{margin:14px 0 0;font-size:.92rem;text-align:center;min-height:1.2em}
.form-msg.ok{color:#39d98a}
.form-msg.err{color:#ff6b6b}

/* ---- Pätička ---- */
.site-footer{background:#070a12;border-top:1px solid var(--line);padding:54px 0 30px}
.footer-grid{display:flex;justify-content:space-between;gap:40px;flex-wrap:wrap;padding-bottom:30px;border-bottom:1px solid var(--line)}
.footer-logo{height:38px;margin:0 0 12px;display:block}
.footer-tag{color:var(--muted);max-width:320px;margin:0}
.footer-links{display:flex;flex-direction:column;gap:10px}
.footer-links h4{color:var(--text);font-size:.9rem;text-transform:uppercase;letter-spacing:.08em;margin:0 0 4px}
.footer-links a{color:var(--muted);font-size:.95rem}
.footer-links a:hover{color:var(--text)}
.footer-bottom{display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap;
  padding-top:22px;color:var(--muted);font-size:.85rem}
.footer-bottom p{margin:0}

/* ---- Cookie lišta ---- */
.cookie-banner{position:fixed;left:0;right:0;bottom:0;z-index:200;
  background:rgba(13,17,30,.97);backdrop-filter:blur(10px);border-top:1px solid var(--line);
  transform:translateY(110%);transition:transform .4s ease;padding:18px 0}
.cookie-banner.show{transform:none}
.cookie-inner{max-width:var(--maxw);margin:0 auto;padding:0 22px;
  display:flex;align-items:center;gap:24px;flex-wrap:wrap;justify-content:space-between}
.cookie-text{margin:0;color:var(--muted);font-size:.92rem;flex:1;min-width:260px}
.cookie-text a{color:var(--teal);font-weight:600}
.cookie-actions{display:flex;gap:10px;flex-shrink:0}
.cookie-actions .btn{padding:.6em 1.3em;font-size:.92rem}
@media(max-width:620px){.cookie-actions{width:100%}.cookie-actions .btn{flex:1}}

/* ---- Jednoduché stránky (zásady) ---- */
.legal{max-width:820px;margin:0 auto;padding:120px 22px 80px}
.legal h1{font-size:2rem;margin-bottom:.4em}
.legal h2{font-size:1.25rem;margin-top:1.8em}
.legal p,.legal li{color:var(--muted)}
.legal a{color:var(--teal);font-weight:600}
.legal .back{display:inline-block;margin-bottom:24px;color:var(--teal);font-weight:600}
.legal table{width:100%;border-collapse:collapse;margin:1em 0}
.legal th,.legal td{text-align:left;padding:10px 12px;border:1px solid var(--line);font-size:.92rem}
.legal th{background:var(--card)}

/* ---- Reveal animácia ---- */
.reveal{opacity:0;transform:translateY(24px);transition:opacity .7s ease,transform .7s ease}
.reveal.in{opacity:1;transform:none}
@media(prefers-reduced-motion:reduce){
  .reveal{opacity:1;transform:none;transition:none}
  .scroll-hint{animation:none}
}

/* ---- Responzívne ---- */
@media(max-width:900px){
  .grid-3,.grid-4{grid-template-columns:repeat(2,1fr)}
  .about-wrap,.contact-wrap{grid-template-columns:1fr;gap:34px}
}
@media(max-width:1000px){
  .nav{position:fixed;top:84px;right:0;left:0;flex-direction:column;align-items:stretch;
    gap:0;background:rgba(10,13,22,.97);backdrop-filter:blur(12px);
    border-bottom:1px solid var(--line);padding:10px 22px 22px;
    transform:translateY(-130%);transition:.32s;visibility:hidden}
  .nav.open{transform:none;visibility:visible}
  .nav a{padding:14px 0;border-bottom:1px solid var(--line)}
  .nav .nav-cta{margin-top:14px;justify-content:center;border-bottom:0}
  .nav-toggle{display:flex}
  .nav-toggle.open span:nth-child(1){transform:translateY(7px) rotate(45deg)}
  .nav-toggle.open span:nth-child(2){opacity:0}
  .nav-toggle.open span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}
}
@media(max-width:720px){
  .section{padding:70px 0}
  .grid-2,.grid-3,.grid-4{grid-template-columns:1fr}
  .footer-grid{flex-direction:column;gap:24px}
}