/* Úvodná stránka – návrh (navrh-uvod.html). Samostatné štýly, nezávislé od témy Webfox. */
:root{
 --red:#e2001a;--red-d:#b80015;--ink:#1d1e22;--ink2:#4a4c55;--muted:#767985;
 --bg:#ffffff;--bg2:#f5f5f7;--dark:#18191d;--line:#e6e6ea;
 --r:14px;--sh:0 10px 30px rgba(20,20,30,.08);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{margin:0;font-family:'Open Sans',Arial,Helvetica,sans-serif;color:var(--ink2);background:var(--bg);font-size:16px;line-height:1.7}
img{max-width:100%;height:auto;display:block}
a{color:var(--red);text-decoration:none}
h1,h2,h3{color:var(--ink);line-height:1.2;margin:0 0 .5em;font-weight:700}
h2{font-size:clamp(26px,3.2vw,38px)}
h3{font-size:19px}
p{margin:0 0 1em}
.wrap{max-width:1180px;margin:0 auto;padding:0 24px}
.kicker{display:inline-block;font-size:13px;font-weight:700;letter-spacing:2px;text-transform:uppercase;color:var(--red);margin-bottom:10px}
.head{max-width:720px;margin:0 auto 44px;text-align:center}
.head p{font-size:17px}
.sec{padding:96px 0}
.sec.alt{background:var(--bg2)}
.btn{display:inline-flex;align-items:center;gap:10px;padding:15px 28px;border-radius:999px;font-weight:700;font-size:16px;
 background:var(--red);color:#fff;border:2px solid var(--red);transition:.2s;white-space:nowrap}
.btn:hover{background:var(--red-d);border-color:var(--red-d);color:#fff;transform:translateY(-1px)}
.btn.ghost{background:rgba(255,255,255,.12);border-color:rgba(255,255,255,.7);-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px)}
.btn.ghost:hover{background:#fff;color:var(--ink);border-color:#fff}
.btn.line{background:transparent;color:var(--red)}
.btn.line:hover{background:var(--red);color:#fff}
.btn svg{width:18px;height:18px;flex:none}
.more{font-weight:700;display:inline-flex;align-items:center;gap:6px}
.more:after{content:"→";transition:.2s}
.more:hover:after{transform:translateX(4px)}

.btn.tels{cursor:default;gap:10px}
.btn.tels a{color:inherit}
.btn.tels a:hover{text-decoration:underline}
.btn.ghost.tels:hover{background:rgba(255,255,255,.12);color:#fff;border-color:rgba(255,255,255,.7);transform:none}
.cta .tels{color:#fff}

/* ---------- Hero so sliderom ---------- */
.hero{position:relative;min-height:100vh;min-height:100svh;display:flex;align-items:center;color:#fff;overflow:hidden;background:#222}
.hero-slides,.hero-slides div{position:absolute;inset:0}
.hero-slides div{background-size:cover;background-position:center;opacity:0;transform:scale(1.06);transition:opacity 1.4s ease,transform 7s ease-out}
.hero-slides div.on{opacity:1;transform:scale(1)}
.hero:after{content:"";position:absolute;inset:0;background:linear-gradient(100deg,rgba(12,12,16,.78) 0%,rgba(12,12,16,.45) 55%,rgba(12,12,16,.15) 100%)}
.hero .wrap{position:relative;z-index:2;width:100%;padding-top:110px;padding-bottom:150px}
.hero-box{max-width:640px}
.hero .kicker{color:#fff;background:var(--red);padding:5px 12px;border-radius:4px;letter-spacing:1.5px}
.hero h1{color:#fff;font-size:clamp(34px,5.4vw,62px);font-weight:800;letter-spacing:-.5px;margin:6px 0 18px;text-shadow:0 2px 20px rgba(0,0,0,.3)}
.hero h1 em{font-style:normal;text-decoration:underline;text-decoration-color:var(--red);text-decoration-thickness:4px;text-underline-offset:8px}
.hero-lead{font-size:clamp(17px,1.6vw,20px);line-height:1.6;color:rgba(255,255,255,.92);margin-bottom:30px;max-width:560px}
.hero-cta{display:flex;flex-wrap:wrap;gap:12px}
.hero-trust{display:flex;flex-wrap:wrap;gap:8px 22px;margin-top:30px;font-size:15px;font-weight:600;color:rgba(255,255,255,.9);list-style:none;padding:0}
.hero-trust li{display:flex;align-items:center;gap:8px}
.hero-trust li:before{content:"✓";display:inline-grid;place-items:center;width:22px;height:22px;border-radius:50%;background:var(--red);font-size:12px}
.hero-dots{position:absolute;right:24px;top:50%;transform:translateY(-50%);z-index:3;display:flex;flex-direction:column;gap:10px}
.hero-dots button{width:10px;height:10px;padding:0;border-radius:50%;border:2px solid #fff;background:transparent;cursor:pointer;opacity:.7}
.hero-dots button.on{background:#fff;opacity:1;height:26px;border-radius:6px}
.scroll-down{position:absolute;left:50%;bottom:92px;transform:translateX(-50%);z-index:3;display:flex;flex-direction:column;align-items:center;gap:6px;
 color:#fff;font-size:12px;font-weight:600;letter-spacing:2px;text-transform:uppercase}
.scroll-down i{width:46px;height:46px;border-radius:50%;display:grid;place-items:center;
 background:rgba(255,255,255,.14);border:1px solid rgba(255,255,255,.45);-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);animation:bob 2s infinite}
.scroll-down svg{width:20px;height:20px}
.scroll-down:hover{color:#fff}
@keyframes bob{0%,100%{transform:translateY(0)}50%{transform:translateY(8px)}}

/* ---------- Čísla ---------- */
.stats{position:relative;z-index:5;margin-top:-64px}
.stats-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));background:#fff;border-radius:var(--r);box-shadow:0 20px 50px rgba(0,0,0,.12);overflow:hidden}
.stat{padding:26px 22px;text-align:center;border-right:1px solid var(--line)}
.stat:last-child{border-right:0}
.stat b{display:block;font-size:clamp(22px,2.4vw,30px);color:var(--red);font-weight:800;line-height:1.2}
.stat span{font-size:14px;color:var(--muted)}

/* ---------- Kto sme ---------- */
.about{display:grid;grid-template-columns:1.05fr .95fr;gap:64px;align-items:center}
.about-img{position:relative}
.about-img img{border-radius:var(--r);box-shadow:var(--sh);aspect-ratio:4/3;object-fit:cover;width:100%}
.about-img .badge{position:absolute;left:-24px;bottom:-24px;background:var(--red);color:#fff;border-radius:var(--r);padding:20px 24px;box-shadow:var(--sh);max-width:220px}
.about-img .badge b{display:block;font-size:40px;line-height:1;font-weight:800}
.about-img .badge span{font-size:14px;font-weight:600}
.checks{list-style:none;padding:0;margin:22px 0 28px;display:grid;grid-template-columns:1fr 1fr;gap:10px 20px}
.checks li{position:relative;padding-left:30px;font-weight:600;color:var(--ink)}
.checks li:before{content:"✓";position:absolute;left:0;top:2px;width:20px;height:20px;border-radius:50%;background:rgba(226,0,26,.1);color:var(--red);display:grid;place-items:center;font-size:12px}

/* ---------- Služby ---------- */
.services{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:22px}
.svc{background:#fff;border-radius:var(--r);overflow:hidden;box-shadow:var(--sh);display:flex;flex-direction:column;transition:.25s}
.svc:hover{transform:translateY(-6px);box-shadow:0 20px 40px rgba(20,20,30,.14)}
.svc .ph{display:block;aspect-ratio:4/3;overflow:hidden}
.svc .ph img{width:100%;height:100%;object-fit:cover;transition:transform .5s}
.svc:hover .ph img{transform:scale(1.06)}
.svc div.tx{padding:22px 22px 24px;display:flex;flex-direction:column;flex:1}
.svc h3 a{color:var(--ink)}
.svc p{font-size:15px;flex:1}

/* ---------- Postup ---------- */
.steps{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:22px;list-style:none;padding:0;margin:0;counter-reset:s}
.steps li{counter-increment:s;position:relative;padding:28px 24px;background:#fff;border-radius:var(--r);border:1px solid var(--line)}
.steps li:before{content:counter(s);display:grid;place-items:center;width:44px;height:44px;border-radius:50%;background:var(--red);color:#fff;font-weight:800;font-size:18px;margin-bottom:14px}
.steps p{font-size:15px;margin:0}

/* ---------- Materiály a normy ---------- */
.mat{background:var(--dark) url(../images/bg/why-2.jpg) center/cover;position:relative;color:rgba(255,255,255,.85)}
.mat:before{content:"";position:absolute;inset:0;background:rgba(18,18,22,.88)}
.mat .wrap{position:relative}
.mat h2,.mat h3{color:#fff}
.mat-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:56px;align-items:center}
.norms{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.norm{padding:20px;border-radius:var(--r);background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.14);-webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px)}
.norm b{display:block;color:#fff;font-size:20px}
.norm span{font-size:14px}
.chips{display:flex;flex-wrap:wrap;gap:8px;list-style:none;padding:0;margin:18px 0 26px}
.chips li{padding:6px 14px;border-radius:999px;border:1px solid rgba(255,255,255,.3);font-size:14px;color:#fff}
.mat .more{color:#fff}

/* ---------- Referencie ---------- */
.refs{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));grid-auto-rows:220px;gap:14px}
.ref{position:relative;border-radius:var(--r);overflow:hidden;margin:0;background:#ddd}
.ref.big{grid-column:span 2;grid-row:span 2}
.ref img{width:100%;height:100%;object-fit:cover;transition:transform .6s}
.ref:hover img{transform:scale(1.05)}
.ref figcaption{position:absolute;left:12px;right:12px;bottom:12px;padding:10px 14px;border-radius:10px;color:#fff;font-weight:600;font-size:14px;
 background:rgba(20,20,24,.45);-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px)}
.refs-dots{display:none}
.refs-more{text-align:center;margin-top:34px}


/* ---------- FAQ ---------- */
.faq{max-width:860px;margin:0 auto}
.faq details{background:#fff;border:1px solid var(--line);border-radius:12px;margin-bottom:12px;transition:.2s}
.faq details[open]{box-shadow:var(--sh);border-color:transparent}
.faq summary{cursor:pointer;list-style:none;padding:20px 56px 20px 24px;font-weight:700;color:var(--ink);font-size:17px;position:relative}
.faq summary::-webkit-details-marker{display:none}
.faq summary:after{content:"";position:absolute;right:22px;top:50%;width:28px;height:28px;margin-top:-14px;border-radius:50%;
 background:linear-gradient(var(--red),var(--red)) center/12px 2px no-repeat,linear-gradient(var(--red),var(--red)) center/2px 12px no-repeat,rgba(226,0,26,.1);transition:transform .25s}
.faq details[open] summary:after{background:linear-gradient(var(--red),var(--red)) center/12px 2px no-repeat,rgba(226,0,26,.1);transform:rotate(180deg)}
.faq details p{padding:0 24px 20px;margin:0}

/* ---------- Výzva ---------- */
.cta{background:linear-gradient(120deg,var(--red) 0%,#a50013 100%);color:#fff;padding:80px 0;text-align:center}
.cta h2{color:#fff}
.cta p{font-size:18px;color:rgba(255,255,255,.9);max-width:620px;margin:0 auto 30px}
.cta-btns{display:flex;flex-wrap:wrap;justify-content:center;gap:12px}
.cta .btn{background:#fff;color:var(--red);border-color:#fff}
.cta .btn:hover{background:var(--ink);border-color:var(--ink);color:#fff}
.cta .btn.ghost{background:transparent;color:#fff;border-color:rgba(255,255,255,.7)}
.cta .btn.ghost:hover{background:#fff;color:var(--red)}

/* ---------- Pätička ---------- */
.foot{background:var(--dark);color:rgba(255,255,255,.7);padding:64px 0 0;font-size:15px}
.foot-grid{display:grid;grid-template-columns:1.3fr 1fr 1fr 1fr;gap:40px}
.foot h3{color:#fff;font-size:16px;margin-bottom:14px}
.foot ul{list-style:none;padding:0;margin:0}
.foot li{margin-bottom:6px}
.foot a{color:rgba(255,255,255,.8)}
.foot a:hover{color:#fff}
.foot-logo{height:44px;width:auto;margin-bottom:16px}
.foot-bottom{margin-top:48px;padding:20px 0;border-top:1px solid rgba(255,255,255,.1);font-size:14px;text-align:center}

/* reveal pri rolovaní */
.rv{opacity:0;transform:translateY(24px);transition:opacity .7s ease,transform .7s ease}
.rv.in{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){.rv{opacity:1;transform:none}.hero-slides div{transition:opacity .6s}.scroll-down i{animation:none}html{scroll-behavior:auto}}

/* ---------- Tablet ---------- */
@media (max-width:1100px){
 .services,.steps{grid-template-columns:repeat(2,minmax(0,1fr))}
 .foot-grid{grid-template-columns:1fr 1fr}
}
@media (max-width:991px){
 .about,.mat-grid{grid-template-columns:1fr;gap:40px}
 .about-img{order:-1}
 .about-img .badge{left:16px;bottom:-20px}
 .hero-dots{display:none}
}

/* ---------- Mobil ---------- */
@media (max-width:767px){
 body{font-size:15px}
 .wrap{padding:0 16px}
 .sec{padding:64px 0}
 .head{margin-bottom:30px}
 .hero{min-height:92vh;min-height:92svh;align-items:flex-end}
 .hero .wrap{padding-top:90px;padding-bottom:110px}
 .hero:after{background:linear-gradient(180deg,rgba(12,12,16,.25) 0%,rgba(12,12,16,.55) 45%,rgba(12,12,16,.88) 100%)}
 .hero-cta .btn{flex:1 1 100%;justify-content:center}
 .hero-trust{gap:6px 16px;font-size:14px}
 .scroll-down{bottom:56px}
 .scroll-down span{display:none}
 .stats{margin-top:-40px}
 .stats-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
 .stat{padding:18px 12px;border-bottom:1px solid var(--line)}
 .stat:nth-child(2n){border-right:0}
 .stat:nth-child(n+3){border-bottom:0}
 .checks{grid-template-columns:1fr}
 .services{grid-template-columns:1fr;gap:14px}
 .svc{flex-direction:row}
 .svc .ph{flex:0 0 38%;aspect-ratio:auto}
 .svc div.tx{padding:14px 16px}
 .svc h3{font-size:17px;margin-bottom:4px}
 .svc p{font-size:14px;margin-bottom:6px}
 .about-img img{aspect-ratio:16/10}
 .steps{grid-template-columns:1fr}
 .steps li{display:grid;grid-template-columns:44px 1fr;column-gap:16px;padding:20px}
 .steps li:before{grid-row:span 2;margin:0}
 .steps h3{margin-bottom:4px}
 .norms{grid-template-columns:1fr}
 /* referencie: slider cez celú šírku */
 .refs-wrap{margin:0 -16px}
 .refs{display:flex;overflow-x:auto;scroll-snap-type:x mandatory;gap:0;-webkit-overflow-scrolling:touch;scrollbar-width:none}
 .refs::-webkit-scrollbar{display:none}
 .ref,.ref.big{flex:0 0 100%;height:auto;aspect-ratio:4/3;border-radius:0;scroll-snap-align:center}
 .ref figcaption{left:16px;right:16px}
 .refs-dots{display:flex;justify-content:center;gap:8px;margin-top:16px}
 .refs-dots button{width:8px;height:8px;padding:0;border:0;border-radius:4px;background:#ccc;transition:.25s}
 .refs-dots button.on{background:var(--red);width:24px}
 .faq summary{font-size:16px;padding:16px 50px 16px 18px}
 .faq details p{padding:0 18px 16px}
 .cta{padding:60px 0}
 .cta .btn{flex:1 1 100%;justify-content:center}
 .foot-grid{grid-template-columns:1fr;gap:28px}
}