/* Re-VOLT ENERGY — hlavný štýl
   Layout: sticky bar · hero s kruhovým motívom z loga · služby v mriežke · tmavé sekcie pre kontrast · kontakt */
:root{
  --lime:#a4cf00;        /* svetlý koniec gradientu v logu */
  --leaf:#5f8f00;        /* stred */
  --forest:#223d06;      /* tmavý koniec gradientu v logu */
  --ink:#151715;         /* čierna z loga */
  --paper:#ffffff;
  --mist:#f3f6ee;        /* svetlé pozadie sekcií */
  --muted:#58624f;
  --line:#e1e7d8;
  --night:#111510;       /* tmavé sekcie */
  --night-2:#1a2017;
  --night-fg:#eef3e6;
  --night-muted:#a9b5a0;
  --grad:linear-gradient(135deg,var(--lime) 0%,var(--leaf) 55%,var(--forest) 100%);
  --display:"Montserrat","Segoe UI",system-ui,sans-serif;
  --body:"Figtree","Segoe UI",system-ui,sans-serif;
  --r:14px;
  color-scheme:light;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:80px}
body{margin:0;background:var(--paper);color:var(--ink);font:400 1.0625rem/1.65 var(--body);-webkit-font-smoothing:antialiased}
body:not([data-lang="hu"]) [lang="hu"],body[data-lang="hu"] [lang="sk"]{display:none!important}
img{max-width:100%;height:auto}
[hidden]{display:none!important}
a{color:inherit}
h1,h2,h3{font-family:var(--display);line-height:1.08;margin:0;text-wrap:balance;letter-spacing:-.02em}
h2{font-size:clamp(1.9rem,4.2vw,2.9rem);font-weight:800}
h3{font-size:1.18rem;font-weight:700;letter-spacing:-.01em}
p{margin:0}
:focus-visible{outline:3px solid var(--lime);outline-offset:3px;border-radius:6px}
.wrap{width:100%;max-width:1180px;margin:0 auto;padding-inline:20px}
.eyebrow{display:inline-flex;flex-wrap:wrap;align-items:center;gap:10px;font:700 .74rem/1 var(--display);letter-spacing:.16em;text-transform:uppercase;color:var(--leaf)}
.eyebrow::before{content:"";width:22px;height:3px;border-radius:2px;background:var(--grad)}
.grad-text{background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}

/* ---------- bar ---------- */
.bar{position:sticky;top:env(safe-area-inset-top,0px);z-index:50;background:rgba(255,255,255,.86);backdrop-filter:saturate(1.4) blur(12px);-webkit-backdrop-filter:saturate(1.4) blur(12px);border-bottom:1px solid var(--line)}
.bar .wrap{display:flex;align-items:center;gap:18px;min-height:70px}
.brand{display:flex;align-items:center;gap:10px;text-decoration:none;font:900 1.3rem/1 var(--display);letter-spacing:-.02em;flex-shrink:0}
.brand img{width:34px;height:auto}
.brand small{display:block;font:700 .58rem/1 var(--display);letter-spacing:.32em;color:var(--muted);margin-top:4px}
.nav{display:flex;gap:4px;margin-left:auto}
.nav a{text-decoration:none;font-weight:500;color:var(--muted);padding:8px 12px;border-radius:8px}
.nav a:hover{color:var(--ink);background:var(--mist)}
.lang{display:flex;background:var(--mist);border-radius:999px;padding:3px}
.lang button{all:unset;cursor:pointer;font:700 .78rem/1 var(--display);padding:8px 11px;border-radius:999px;color:var(--muted)}
.lang button[aria-pressed="true"]{background:var(--ink);color:#fff}
.bar .btn{padding:11px 16px;font-size:.95rem}
.menu-btn{all:unset;display:none;cursor:pointer;width:42px;height:42px;border-radius:10px;place-items:center;background:var(--mist)}
.menu-btn span{display:block;width:18px;height:2px;background:var(--ink);box-shadow:0 6px 0 var(--ink),0 -6px 0 var(--ink)}
@media (max-width:960px){
  .nav{position:absolute;left:0;right:0;top:100%;flex-direction:column;background:#fff;border-bottom:1px solid var(--line);padding:10px 20px 18px;margin:0}
  .nav a{padding:12px 0;font-size:1.05rem}
  .bar:not(.open) .nav{display:none}
  .menu-btn{display:grid}
  .lang{margin-left:auto}
  .bar .btn{display:none}
}

/* ---------- buttons ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:10px;font:700 1rem/1 var(--display);padding:16px 24px;border-radius:12px;text-decoration:none;cursor:pointer;border:0;transition:transform .15s ease,box-shadow .15s ease}
.btn-main{background:var(--grad);color:#fff;box-shadow:0 8px 24px -10px rgba(95,143,0,.7)}
.btn-main:hover{transform:translateY(-1px);box-shadow:0 12px 28px -10px rgba(95,143,0,.8)}
.btn-dark{background:var(--ink);color:#fff}
.btn-line{background:transparent;color:var(--ink);box-shadow:inset 0 0 0 1.5px var(--line)}
.btn-line:hover{box-shadow:inset 0 0 0 1.5px var(--ink)}
.btn svg{width:18px;height:18px}

/* ---------- hero ---------- */
.hero{position:relative;overflow:hidden;padding-block:64px 80px;background:radial-gradient(900px 500px at 85% 20%,rgba(164,207,0,.16),transparent 60%),var(--paper)}
.hero .wrap{display:grid;grid-template-columns:1.1fr .9fr;gap:40px;align-items:center}
.hero h1{font-size:clamp(2.5rem,6.2vw,4.6rem);font-weight:900;letter-spacing:-.04em;margin-top:18px}
.hero .lede{font-size:1.18rem;color:var(--muted);max-width:33em;margin-top:22px}
.hero .ctas{display:flex;flex-wrap:wrap;gap:12px;margin-top:32px}
.trust{display:flex;flex-wrap:wrap;gap:10px;margin-top:32px;padding:0;list-style:none}
.trust li{display:flex;align-items:center;gap:8px;font-size:.92rem;font-weight:500;background:var(--mist);border-radius:999px;padding:8px 14px}
.trust svg{width:16px;height:16px;color:var(--leaf)}
.ring{position:relative;width:100%;max-width:470px;justify-self:center;aspect-ratio:1}
.ring>svg{width:100%;height:100%;display:block}
.ring .lbl{font:600 13px/1 var(--display);fill:var(--ink)}
.ring .lbl-s{font:500 11px/1 var(--body);fill:var(--muted)}
.ring .flow{fill:none;stroke-width:3;stroke-linecap:round;stroke-dasharray:2 9;animation:flow 1.2s linear infinite}
@keyframes flow{to{stroke-dashoffset:-22}}
@media (prefers-reduced-motion:reduce){.ring .flow{animation:none}html{scroll-behavior:auto}.btn{transition:none}}
@media (max-width:900px){.hero .wrap{grid-template-columns:1fr}.ring{max-width:380px}.hero{padding-block:40px 56px}}

/* ---------- sections ---------- */
.sec{padding-block:88px}
.sec-mist{background:var(--mist)}
.sec-head{display:grid;gap:14px;max-width:660px;margin-bottom:44px}
.sec-head p{color:var(--muted);font-size:1.1rem}
.sec-dark{background:var(--night);color:var(--night-fg)}
.sec-dark .eyebrow{color:var(--lime)}
.sec-dark .sec-head p{color:var(--night-muted)}
@media (max-width:700px){.sec{padding-block:64px}}

/* services */
.svc-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
@media (max-width:980px){.svc-grid{grid-template-columns:repeat(2,1fr)}}
@media (max-width:620px){.svc-grid{grid-template-columns:1fr}}
.svc{background:var(--paper);border:1px solid var(--line);border-radius:var(--r);padding:28px;display:grid;gap:14px;align-content:start;min-width:0;transition:border-color .2s,transform .2s}
.svc:hover{border-color:var(--lime);transform:translateY(-2px)}
.svc .ico{width:52px;height:52px;border-radius:14px;display:grid;place-items:center;background:var(--grad);color:#fff}
.svc .ico svg{width:26px;height:26px}
.svc .head{display:flex;justify-content:space-between;align-items:center;gap:10px}
.svc .spec{font:700 .72rem/1 var(--display);letter-spacing:.06em;color:var(--leaf);background:#eef6d9;padding:6px 9px;border-radius:6px;white-space:nowrap}
.svc p{color:var(--muted)}
.svc ul{margin:0;padding:0;list-style:none;display:grid;gap:7px;font-size:.96rem}
.svc li{display:flex;gap:10px}
.svc li::before{content:"";flex:0 0 7px;height:7px;margin-top:.62em;border-radius:50%;background:var(--grad)}
.svc.feature{background:var(--night);color:var(--night-fg);border-color:var(--night);position:relative;overflow:hidden}
.svc.feature p{color:var(--night-muted)}
.svc.feature::after{content:"";position:absolute;right:-70px;bottom:-70px;width:220px;height:220px;border-radius:50%;border:16px solid transparent;background:var(--grad) border-box;-webkit-mask:linear-gradient(#000 0 0) padding-box,linear-gradient(#000 0 0);-webkit-mask-composite:xor;mask-composite:exclude;opacity:.55}
.svc.feature .btn{justify-self:start;margin-top:6px;position:relative;z-index:1}

/* subsidy band */
.band{background:var(--grad);color:#fff;padding-block:48px}
.band .wrap{display:flex;flex-wrap:wrap;gap:22px 48px;align-items:center;justify-content:space-between}
.band h2{font-size:clamp(1.5rem,3vw,2.1rem);max-width:24ch}
.band p{max-width:46ch;opacity:.92}

/* process */
.steps{display:grid;grid-template-columns:repeat(5,1fr);gap:16px;counter-reset:s;list-style:none;margin:0;padding:0}
.steps li{position:relative;padding:26px 22px;border-radius:var(--r);background:var(--night-2);display:grid;gap:10px;align-content:start;min-width:0}
.steps li::before{counter-increment:s;content:counter(s);font:900 2.4rem/1 var(--display);background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.steps p{color:var(--night-muted);font-size:.96rem}
@media (max-width:1000px){.steps{grid-template-columns:repeat(2,1fr)}}
@media (max-width:560px){.steps{grid-template-columns:1fr}}

/* references */
.refs{display:grid;grid-template-columns:repeat(auto-fill,minmax(min(100%,260px),1fr));gap:18px}
.ref{border-radius:var(--r);overflow:hidden;background:var(--paper);border:1px solid var(--line);display:grid;grid-template-rows:auto 1fr}
.ref .img{aspect-ratio:4/3;max-width:100%;background:var(--mist);display:grid;place-items:center;overflow:hidden}
.ref .img img{width:100%;height:100%;object-fit:cover;display:block}
.ref .img.ph{background:repeating-linear-gradient(135deg,var(--mist) 0 12px,#e9eee2 12px 24px);color:var(--muted);font-size:.85rem;text-align:center;padding:16px}
.ref .meta{padding:18px;display:grid;gap:10px;align-content:start}
.ref .tags{display:flex;flex-wrap:wrap;gap:6px}
.ref .tags span{font:600 .74rem/1 var(--display);padding:6px 9px;border-radius:6px;background:var(--mist);color:var(--muted)}
.ref .tags span.k{background:#eef6d9;color:var(--forest)}
.note{margin-top:16px;font-size:.9rem;color:var(--muted)}

/* about */
.about{display:grid;grid-template-columns:.9fr 1.1fr;gap:56px;align-items:center}
.about .logo-card{background:var(--paper);border-radius:24px;padding:48px;display:grid;place-items:center;box-shadow:0 30px 60px -30px rgba(34,61,6,.35)}
.about .logo-card img{width:100%;max-width:320px}
.about .txt{display:grid;gap:18px}
.about .txt p{color:var(--muted);font-size:1.1rem;max-width:36em}
.chips{display:flex;flex-wrap:wrap;gap:8px}
.chips span{border:1px solid var(--line);background:var(--paper);border-radius:999px;padding:7px 14px;font-size:.92rem;font-weight:500}
@media (max-width:860px){.about{grid-template-columns:1fr;gap:32px}.about .logo-card{padding:32px}}

/* FAQ */
.faq{display:grid;gap:12px;max-width:860px}
.faq details{border:1px solid var(--line);border-radius:var(--r);background:var(--paper);padding:0 22px}
.faq summary{cursor:pointer;list-style:none;display:flex;justify-content:space-between;gap:16px;align-items:center;padding:20px 0;font:700 1.05rem/1.35 var(--display)}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";flex:0 0 30px;height:30px;border-radius:50%;display:grid;place-items:center;background:var(--mist);font-size:1.2rem;color:var(--leaf);transition:transform .2s}
.faq details[open] summary::after{transform:rotate(45deg)}
.faq details p{padding:0 0 20px;color:var(--muted)}

/* contact */
.contact{display:grid;grid-template-columns:.9fr 1.1fr;gap:56px;align-items:start}
.contact .logo-white{width:200px;margin-bottom:28px}
.cinfo{display:grid;gap:16px;margin-top:32px}
.cinfo a,.cinfo div.it{display:flex;gap:14px;align-items:center;text-decoration:none;padding:16px;border-radius:12px;background:var(--night-2)}
.cinfo .ic{flex:0 0 44px;height:44px;border-radius:10px;background:var(--grad);display:grid;place-items:center;color:#fff}
.cinfo .ic svg{width:20px;height:20px}
.cinfo .k{font:700 .7rem/1 var(--display);letter-spacing:.14em;text-transform:uppercase;color:var(--night-muted)}
.cinfo .v{font:700 1.12rem/1.3 var(--display);margin-top:5px;word-break:break-word}
.form{background:var(--paper);color:var(--ink);border-radius:20px;padding:30px;display:grid;gap:16px;min-width:0}
.form h3{font-size:1.35rem}
.row2{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.field{display:grid;gap:7px;font-size:.88rem;font-weight:600}
.field input,.field textarea{font:inherit;font-weight:400;font-size:1rem;padding:13px 14px;border:1.5px solid var(--line);border-radius:10px;background:var(--mist);color:var(--ink);width:100%}
.field input:focus,.field textarea:focus{outline:none;border-color:var(--leaf);background:#fff}
.field textarea{min-height:120px;resize:vertical}
.pick{display:flex;flex-wrap:wrap;gap:8px}
.pick label{cursor:pointer}
.pick input{position:absolute;opacity:0;pointer-events:none}
.pick span{display:inline-block;padding:9px 14px;border-radius:999px;border:1.5px solid var(--line);font-size:.92rem;font-weight:500;user-select:none}
.pick input:checked+span{background:var(--ink);color:#fff;border-color:var(--ink)}
.pick input:focus-visible+span{outline:3px solid var(--lime);outline-offset:2px}
.consent{display:flex;gap:10px;align-items:flex-start;font-size:.85rem;color:var(--muted);font-weight:400}
.consent input{margin-top:4px;accent-color:var(--leaf)}
.hp{position:absolute;left:-9999px}
.fmsg{font-size:.95rem;font-weight:600;padding:12px 14px;border-radius:10px}
.fmsg.ok{background:#eef6d9;color:var(--forest)}
.fmsg.err{background:#fde8e6;color:#8a1c12}
@media (max-width:900px){.contact{grid-template-columns:1fr;gap:40px}.row2{grid-template-columns:1fr}}

/* footer */
.foot{background:var(--night);color:var(--night-muted);padding-block:32px;border-top:1px solid var(--night-2);font-size:.9rem}
.foot .wrap{display:flex;flex-wrap:wrap;gap:12px 28px;justify-content:space-between;align-items:center}
.foot a{color:var(--night-fg);text-decoration:none}
.foot .social{display:flex;gap:18px}

/* generic page (WordPress podstránky) */
.page-body{padding-block:64px;max-width:760px}
.page-body h1{font-size:clamp(2rem,5vw,3rem);margin-bottom:24px}
.page-body p{margin-bottom:1em}

/* ---------- kalkulačka ---------- */
.calc{border:1px solid var(--line);border-radius:22px;background:var(--paper);box-shadow:0 30px 70px -40px rgba(34,61,6,.35);overflow:hidden}
.calc-tabs{display:flex;gap:6px;padding:10px;background:var(--mist);border-bottom:1px solid var(--line)}
.calc-tabs button{all:unset;cursor:pointer;display:inline-flex;align-items:center;gap:8px;padding:12px 18px;border-radius:12px;font:700 1rem/1 var(--display);color:var(--muted)}
.calc-tabs button svg{width:20px;height:20px}
.calc-tabs button[aria-selected="true"]{background:var(--paper);color:var(--ink);box-shadow:0 2px 10px -4px rgba(0,0,0,.18)}
.calc-tabs button[aria-selected="true"] svg{color:var(--leaf)}
.calc-tabs button:focus-visible{outline:3px solid var(--lime)}
.calc-body{display:grid;grid-template-columns:1.25fr .9fr}
.calc-in{padding:30px;min-width:0}
.calc-pane{display:grid;gap:20px}
.calc .field select{font:inherit;font-weight:400;font-size:1rem;padding:13px 14px;border:1.5px solid var(--line);border-radius:10px;background:var(--mist);color:var(--ink);width:100%;min-width:0}
.calc .field label b,.calc .field span b{font-family:var(--display)}
.calc input[type=range]{width:100%;accent-color:var(--leaf);height:28px}
.calc-meta{display:flex;flex-wrap:wrap;gap:8px}
.calc-meta span{font:700 .8rem/1 var(--display);padding:7px 10px;border-radius:8px;background:#eef6d9;color:var(--forest)}
.calc-meta span:empty{display:none}
.suggest{display:grid;grid-template-columns:1fr auto;gap:12px;align-items:end;padding:16px;border-radius:12px;background:var(--mist)}
.suggest .field input{background:var(--paper)}
.suggest .btn{padding:14px 18px}
.stepper{display:flex;align-items:center;justify-content:space-between;gap:16px}
.stp{display:flex;align-items:center;gap:6px;background:var(--mist);border-radius:12px;padding:4px}
.stp button{all:unset;cursor:pointer;width:40px;height:40px;display:grid;place-items:center;border-radius:9px;font:700 1.3rem/1 var(--display);background:var(--paper)}
.stp button:disabled{opacity:.35;cursor:default}
.stp button:focus-visible{outline:3px solid var(--lime)}
.stp b{min-width:30px;text-align:center;font:800 1.2rem/1 var(--display)}
.units{display:grid;gap:12px}
.unit{display:grid;gap:12px;padding:16px;border:1px solid var(--line);border-radius:12px}
.unit-h{font:800 .78rem/1 var(--display);letter-spacing:.12em;text-transform:uppercase;color:var(--leaf)}
.check{display:flex;gap:10px;align-items:center;font-size:.95rem;cursor:pointer}
.check input{width:18px;height:18px;accent-color:var(--leaf)}
.calc-out{background:var(--night);color:var(--night-fg);padding:30px;display:grid;gap:14px;align-content:start;position:relative;overflow:hidden}
.calc-out::before{content:"";position:absolute;inset:auto -80px -80px auto;width:240px;height:240px;border-radius:50%;background:radial-gradient(circle,rgba(164,207,0,.28),transparent 70%);pointer-events:none}
.calc-out .eyebrow{color:var(--lime)}
.calc-out .total{font:900 clamp(2.4rem,5vw,3.2rem)/1 var(--display);letter-spacing:-.03em;background:linear-gradient(135deg,#d8f26a,var(--lime));-webkit-background-clip:text;background-clip:text;color:transparent;font-variant-numeric:tabular-nums}
.calc-out .net{color:var(--night-muted);font-size:.95rem;font-variant-numeric:tabular-nums}
.lines{list-style:none;margin:6px 0 4px;padding:14px 0 0;border-top:1px solid var(--night-2);display:grid;gap:10px;font-size:.93rem}
.lines li{display:flex;justify-content:space-between;gap:16px}
.lines li span{color:var(--night-muted);min-width:0}
.lines li b{font-weight:600;white-space:nowrap;font-variant-numeric:tabular-nums}
.calc-out .btn{position:relative;margin-top:6px}
.calc-out .fine{font-size:.82rem;color:var(--night-muted)}
@media (max-width:900px){.calc-body{grid-template-columns:1fr}.calc-in,.calc-out{padding:22px}}
@media (max-width:480px){.suggest{grid-template-columns:1fr}.calc-tabs button{flex:1;justify-content:center;padding:12px}}