/* VoltLine — industrial "štítok / revízna správa" motív.
   Layout: tmavý podklad, obsah v jednom stĺpci max 1160px, karty len tam, kde ide o samostatnú položku. */
:root{
  --ink:#0A0A0A;        /* podklad */
  --panel:#121619;      /* plochy */
  --panel-2:#181D21;
  --line:#26303A;       /* linky, rámiky */
  --fg:#EEF2F5;         /* text */
  --muted:#9AA6B2;      /* sekundárny text */
  --blue:#0F7EE2;       /* značka */
  --blue-soft:#4FA6F2;  /* modrá pre text na tmavom */
  --lime:#9BFB1A;       /* značka – akcent, výzvy */
  --font-display:"Big Shoulders Display", "Arial Narrow", Impact, sans-serif;
  --font-body:"IBM Plex Sans", "Segoe UI", Roboto, Arial, sans-serif;
  --font-mono:"IBM Plex Mono", Consolas, "Courier New", monospace;
  --radius:6px;
  color-scheme:dark;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}*{transition:none!important;animation:none!important}}
body{margin:0;background:var(--ink);color:var(--fg);font:16px/1.65 var(--font-body);-webkit-font-smoothing:antialiased}
img{max-width:100%;display:block}
a{color:var(--blue-soft)}
a:hover{color:var(--lime)}
:focus-visible{outline:2px solid var(--lime);outline-offset:3px}

.wrap{max-width:1160px;margin:0 auto;padding-inline:20px}
section{padding-block:72px}
section + section{border-top:1px solid var(--line)}

h1,h2,h3{font-family:var(--font-display);font-weight:800;line-height:1.02;letter-spacing:.005em;text-wrap:balance;margin:0}
h1{font-size:clamp(2.4rem,6vw,4.6rem);text-transform:uppercase;overflow-wrap:break-word;hyphens:auto}
h2{font-size:clamp(2rem,4.4vw,3.1rem);text-transform:uppercase}
h3{font-size:1.55rem;text-transform:uppercase;letter-spacing:.01em}
p{margin:0}
.lead{font-size:1.15rem;color:var(--muted);max-width:62ch}
.eyebrow{font:600 .78rem/1 var(--font-mono);letter-spacing:.14em;text-transform:uppercase;color:var(--lime);display:flex;align-items:center;gap:10px}
.eyebrow::before{content:"";width:22px;height:2px;background:var(--lime)}
.mono{font-family:var(--font-mono)}
.stack{display:grid;gap:18px}
.sec-head{display:grid;gap:14px;margin-bottom:40px;max-width:760px}

/* ---------- hlavička ---------- */
.top{position:sticky;top:env(safe-area-inset-top,0px);z-index:20;background:rgba(10,10,10,.92);backdrop-filter:blur(8px);border-bottom:1px solid var(--line)}
.top .wrap{display:flex;align-items:center;gap:20px;min-height:68px}
.logo img{height:40px;width:auto}
.logo{display:flex;align-items:center;gap:9px;text-decoration:none;font:800 1.65rem/1 var(--font-display);letter-spacing:.01em}
.logo svg{width:26px;height:30px;flex:none}
.logo .v{color:var(--blue)}.logo .l{color:var(--lime)}
.nav{display:flex;gap:4px;margin-left:auto}
.nav a{color:var(--fg);text-decoration:none;font-weight:500;font-size:.95rem;padding:8px 12px;border-radius:var(--radius)}
.nav a:hover{background:var(--panel-2);color:var(--fg)}
.nav a[aria-current="page"]{color:var(--lime)}
.top .call{margin-left:8px}
.burger{display:none;margin-left:auto;background:none;border:1px solid var(--line);color:var(--fg);border-radius:var(--radius);padding:8px 10px;font:600 .85rem var(--font-mono);cursor:pointer}
@media (max-width:920px){
  .burger{display:block}
  .top .call{display:none}
  .nav{display:none;position:absolute;left:0;right:0;top:100%;flex-direction:column;background:var(--ink);border-bottom:1px solid var(--line);padding:10px 20px 18px}
  .nav.open{display:flex}
  .nav a{padding:12px 4px;border-bottom:1px solid var(--line);border-radius:0}
}

/* ---------- tlačidlá ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:10px;font:600 1rem/1 var(--font-body);padding:15px 22px;border-radius:var(--radius);text-decoration:none;border:2px solid transparent;cursor:pointer;transition:transform .15s,background .15s,color .15s}
.btn:hover{transform:translateY(-1px)}
.btn-lime{background:var(--lime);color:var(--ink)}
.btn-lime:hover{background:#B4FF52;color:var(--ink)}
.btn-ghost{border-color:var(--line);color:var(--fg);background:transparent}
.btn-ghost:hover{border-color:var(--blue);color:var(--fg)}
.btn-sm{padding:10px 14px;font-size:.92rem}
.btn svg{width:18px;height:18px}
.btns{display:flex;flex-wrap:wrap;gap:12px}

/* ---------- hero ---------- */
.hero{position:relative;overflow:hidden;padding-block:80px 72px;
  background:
    radial-gradient(600px 300px at 85% 10%, rgba(15,126,226,.22), transparent 70%),
    radial-gradient(circle at 1px 1px, rgba(255,255,255,.06) 1px, transparent 0) 0 0/22px 22px,
    var(--ink)}
.hero .wrap{display:grid;grid-template-columns:minmax(0,1.35fr) minmax(0,1fr);gap:48px;align-items:center}
.hero h1 .hl{color:var(--lime)}
.hero .stack{gap:24px}
.hero-sub{font-size:1.2rem;color:var(--muted);max-width:52ch}
.facts{display:flex;flex-wrap:wrap;gap:8px 22px;font:500 .9rem var(--font-mono);color:var(--muted)}
.facts span::before{content:"✓ ";color:var(--lime)}
@media (max-width:860px){.hero .wrap{grid-template-columns:1fr}}

/* štítok – typový štítok zariadenia */
.plate{background:linear-gradient(180deg,var(--panel-2),var(--panel));border:1px solid var(--line);border-radius:10px;padding:22px;position:relative;font-family:var(--font-mono);font-size:.88rem}
.plate::before,.plate::after{content:"";position:absolute;width:9px;height:9px;border-radius:50%;background:var(--line);top:12px}
.plate::before{left:12px}.plate::after{right:12px}
.plate h3{font-family:var(--font-mono);font-size:.78rem;letter-spacing:.14em;color:var(--muted);text-align:center;margin-bottom:16px;font-weight:600}
.plate dl{display:grid;grid-template-columns:auto 1fr;gap:9px 16px;margin:0}
.plate dt{color:var(--muted)}
.plate dd{margin:0;text-align:right;color:var(--fg);font-variant-numeric:tabular-nums}
.plate dd.ok{color:var(--lime)}
.plate .rule{grid-column:1/-1;border-top:1px dashed var(--line);margin:4px 0}
.plate .big{display:block;font:800 2rem/1 var(--font-display);color:var(--lime);text-align:center;margin-top:16px;text-decoration:none}

/* ---------- rozcestník ---------- */
.paths{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px}
.path{display:grid;gap:16px;align-content:start;padding:30px;border:1px solid var(--line);border-radius:10px;background:var(--panel);text-decoration:none;color:var(--fg);transition:border-color .15s}
.path:hover{border-color:var(--blue);color:var(--fg)}
.path ul{margin:0;padding:0;list-style:none;display:grid;gap:8px}
.path li{padding-left:22px;position:relative;color:var(--muted)}
.path li::before{content:"";position:absolute;left:0;top:.62em;width:10px;height:2px;background:var(--lime)}
.path .go{font:600 .95rem var(--font-mono);color:var(--lime)}
@media (max-width:760px){.paths{grid-template-columns:1fr}}

/* ---------- výhody ---------- */
.why{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:28px}
.why div{display:grid;gap:10px;align-content:start;border-top:2px solid var(--blue);padding-top:18px}
.why h3{font-size:1.3rem}
.why p{color:var(--muted);font-size:.97rem}
@media (max-width:900px){.why{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media (max-width:520px){.why{grid-template-columns:1fr}}

/* ---------- postup ---------- */
.steps{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:0;counter-reset:s}
.steps li{counter-increment:s;padding:0 18px 0 0;display:grid;gap:8px;align-content:start;position:relative}
.steps li::before{content:counter(s);font:800 2.6rem/1 var(--font-display);color:var(--blue-soft)}
.steps li::after{content:"";position:absolute;top:20px;left:44px;right:12px;height:1px;background:var(--line)}
.steps li:last-child::after{display:none}
.steps b{font-size:1.02rem}
.steps span{color:var(--muted);font-size:.94rem}
@media (max-width:900px){.steps{grid-template-columns:1fr;gap:22px}.steps li{grid-template-columns:52px 1fr;column-gap:12px}.steps li::before{grid-row:span 2}.steps li::after{display:none}}

/* ---------- služby ---------- */
.svc{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.3fr);gap:40px;padding-block:40px;border-top:1px solid var(--line)}
.svc:first-of-type{border-top:0;padding-top:0}
.svc .stack{gap:14px}
.svc p{color:var(--muted)}
.checks{margin:0;padding:0;list-style:none;display:grid;gap:10px}
.checks li{padding-left:28px;position:relative}
.checks li::before{content:"";position:absolute;left:0;top:.35em;width:16px;height:16px;border-radius:3px;background:var(--lime);
  -webkit-mask:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16'%3E%3Cpath d='M3 8.5l3 3 7-7' stroke='black' stroke-width='2.4' fill='none'/%3E%3C/svg%3E") center/100% no-repeat;
          mask:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16'%3E%3Cpath d='M3 8.5l3 3 7-7' stroke='black' stroke-width='2.4' fill='none'/%3E%3C/svg%3E") center/100% no-repeat}
.tag{display:inline-block;font:600 .74rem/1 var(--font-mono);letter-spacing:.1em;text-transform:uppercase;color:var(--ink);background:var(--lime);padding:6px 8px;border-radius:3px;justify-self:start}
@media (max-width:820px){.svc{grid-template-columns:1fr;gap:18px}}

.note{border:1px solid var(--line);border-left:3px solid var(--lime);background:var(--panel);padding:18px 20px;border-radius:0 var(--radius) var(--radius) 0;color:var(--fg)}
.note b{color:var(--lime)}

/* ---------- cenník ---------- */
.tbl-wrap{overflow-x:auto;border:1px solid var(--line);border-radius:10px}
table{width:100%;border-collapse:collapse;font-size:.97rem}
th,td{padding:14px 18px;text-align:left;border-bottom:1px solid var(--line)}
tr:last-child td{border-bottom:0}
th{font:600 .76rem var(--font-mono);letter-spacing:.12em;text-transform:uppercase;color:var(--muted);background:var(--panel)}
td.p{text-align:right;font-family:var(--font-mono);white-space:nowrap;font-variant-numeric:tabular-nums;color:var(--lime)}
th.p{text-align:right}
td small{display:block;color:var(--muted);font-size:.86rem}
.todo{background:#5a3c00;color:#FFD27A;padding:1px 6px;border-radius:3px;font-family:var(--font-mono);font-size:.85em}
.fine{color:var(--muted);font-size:.9rem;margin-top:12px}

/* ---------- recenzie ---------- */
.reviews{display:flex;flex-wrap:wrap;align-items:center;gap:24px 40px;padding:28px 30px;border:1px solid var(--line);border-radius:10px;background:var(--panel)}
.score{font:800 3.4rem/1 var(--font-display);color:var(--lime)}
.stars{color:var(--lime);letter-spacing:3px;font-size:1.2rem}
.reviews .names{color:var(--muted);flex:1 1 260px;min-width:0}

/* ---------- oblasť ---------- */
.towns{display:flex;flex-wrap:wrap;gap:8px;list-style:none;margin:0;padding:0}
.towns li{border:1px solid var(--line);border-radius:999px;padding:6px 14px;font-size:.93rem}
.towns li.home{border-color:var(--lime);color:var(--lime)}

/* ---------- FAQ ---------- */
.faq{display:grid;gap:10px;max-width:860px}
.faq details{border:1px solid var(--line);border-radius:var(--radius);background:var(--panel)}
.faq summary{cursor:pointer;padding:16px 20px;font-weight:600;list-style:none;display:flex;justify-content:space-between;gap:16px}
.faq summary::after{content:"+";font:600 1.3rem/1 var(--font-mono);color:var(--lime)}
.faq details[open] summary::after{content:"–"}
.faq details p{padding:0 20px 18px;color:var(--muted)}

/* ---------- kontakt ---------- */
.contact{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.2fr);gap:48px;align-items:start}
.contact .stack{gap:22px}
.cline{display:grid;gap:4px}
.cline small{font:600 .75rem var(--font-mono);letter-spacing:.12em;text-transform:uppercase;color:var(--muted)}
.cline a,.cline span{font:700 1.5rem/1.2 var(--font-display);color:var(--fg);text-decoration:none;letter-spacing:.01em}
.cline a:hover{color:var(--lime)}
form{display:grid;gap:14px;background:var(--panel);border:1px solid var(--line);border-radius:10px;padding:26px}
.row2{display:grid;grid-template-columns:1fr 1fr;gap:14px}
@media (max-width:560px){.row2{grid-template-columns:1fr}}
label{display:grid;gap:6px;font-size:.88rem;color:var(--muted)}
input,select,textarea{font:inherit;font-size:1rem;color:var(--fg);background:var(--ink);border:1px solid var(--line);border-radius:var(--radius);padding:12px 14px;width:100%}
input:focus,select:focus,textarea:focus{border-color:var(--blue);outline:none}
textarea{min-height:120px;resize:vertical}
.form-msg{font-size:.95rem;color:var(--lime)}
@media (max-width:860px){.contact{grid-template-columns:1fr}}

/* ---------- pätička ---------- */
footer{border-top:1px solid var(--line);padding-block:40px 90px;color:var(--muted);font-size:.9rem}
footer .wrap{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:28px}
footer b{color:var(--fg)}
footer a{color:var(--muted)}
@media (max-width:760px){footer .wrap{grid-template-columns:1fr}}

/* plávajúce tlačidlo na mobile */
.btn-wa{background:#25D366;color:#06210F}
.btn-wa:hover{background:#3BE07B;color:#06210F}
.fab{display:none}
@media (max-width:920px){
  .fab{display:grid;grid-template-columns:1fr 1fr;gap:10px;position:fixed;left:16px;right:16px;bottom:calc(14px + env(safe-area-inset-bottom,0px));z-index:30}
  .fab .btn{box-shadow:0 8px 24px rgba(0,0,0,.5)}
}

.hp{position:absolute;left:-9999px;width:1px;height:1px;overflow:hidden}
form{position:relative}
button[disabled]{opacity:.6;cursor:wait}

/* galéria prác */
.gallery{display:grid;grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:16px}
.gallery figure{margin:0;display:grid;gap:8px;align-content:start}
.gallery img{width:100%;height:300px;object-fit:cover;border-radius:8px;border:1px solid var(--line);background:var(--panel)}
.gallery figcaption{font-size:.9rem;color:var(--muted)}