/* ==========================================================================
   Katalog solarnych panelov - vizualny styl
   Paleta: teple neutraly (bone / warm black), mosadzny akcent, zlta signalna
   Pismo:  Montserrat (nadpisy, popisky) + Barlow (text, udaje)
   ========================================================================== */

/* ---------- tokeny: svetly rezim ---------- */
:root{
  --bone:#f3f1ec; --bone-2:#eae6de; --paper:#ffffff; --paper-2:#faf9f6;
  --ink:#141310; --ink-2:#57534b; --ink-3:#8b8579;
  --line:#e0dcd3; --line-2:#cbc5b8;
  --brass:#8a7350; --brass-2:#a28b6c;
  --signal:#ffd300; --signal-ink:#141310; --signal-d:#e6be00;
  --ok:#1f7a4d; --danger:#b3261e;

  /* cierne pasy (horny pruh, hero, paticka) - rovnake v oboch rezimoch */
  --band-bg:#141310; --band-ink:#f3f1ec; --band-ink-2:#a8a196;
  --band-ink-3:#7d776d; --band-line:#2e2a24; --band-brass:#a28b6c;
  --hero-bg:#141310; --hero-ink:#f3f1ec; --hero-ink-2:#a8a196; --hero-line:#2e2a24;

  --shadow:0 1px 2px rgba(20,19,16,.05);
  --shadow-lg:0 24px 60px rgba(20,19,16,.28);
  --max:1320px;
  --f-display:"Montserrat",system-ui,-apple-system,"Segoe UI",sans-serif;
  --f-body:"Barlow",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
}
/* ---------- tokeny: tmavy rezim ---------- */
@media (prefers-color-scheme:dark){
  :root:not([data-theme="light"]){
    --bone:#141310; --bone-2:#1a1815; --paper:#1c1a17; --paper-2:#221f1b;
    --ink:#f3f1ec; --ink-2:#b4ada1; --ink-3:#8b8579;
    --line:#2e2a24; --line-2:#413c33;
    --brass:#c2a97a; --brass-2:#a28b6c;
    --signal:#ffd300; --signal-ink:#141310; --signal-d:#ffdd3d;
    --band-bg:#0d0c0a; --band-ink:#f3f1ec; --band-ink-2:#a8a196;
    --band-ink-3:#7d776d; --band-line:#2e2a24; --band-brass:#c2a97a;
    --hero-bg:#0d0c0a; --hero-ink:#f3f1ec; --hero-ink-2:#a8a196; --hero-line:#2e2a24;
    --shadow:0 1px 2px rgba(0,0,0,.5);
    --shadow-lg:0 24px 60px rgba(0,0,0,.7);
  }
}
:root[data-theme="dark"]{
  --bone:#141310; --bone-2:#1a1815; --paper:#1c1a17; --paper-2:#221f1b;
  --ink:#f3f1ec; --ink-2:#b4ada1; --ink-3:#8b8579;
  --line:#2e2a24; --line-2:#413c33;
  --brass:#c2a97a; --brass-2:#a28b6c;
  --signal:#ffd300; --signal-ink:#141310; --signal-d:#ffdd3d;
  --band-bg:#0d0c0a; --band-ink:#f3f1ec; --band-ink-2:#a8a196;
  --band-ink-3:#7d776d; --band-line:#2e2a24; --band-brass:#c2a97a;
  --hero-bg:#0d0c0a; --hero-ink:#f3f1ec; --hero-ink-2:#a8a196; --hero-line:#2e2a24;
  --shadow:0 1px 2px rgba(0,0,0,.5);
  --shadow-lg:0 24px 60px rgba(0,0,0,.7);
}

*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0; background:var(--bone); color:var(--ink);
  font:400 16px/1.6 var(--f-body); overflow-wrap:break-word;
  font-variant-numeric:tabular-nums;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button,input,select,textarea{font:inherit;color:inherit}
h1,h2,h3,h4{margin:0;font-family:var(--f-display);line-height:1.08;
  letter-spacing:-.02em;text-wrap:balance}
.wrap{max-width:var(--max);margin:0 auto;padding:0 24px}
.sr{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
:where(a,button,input,select,textarea):focus-visible{outline:2px solid var(--brass);outline-offset:2px}

/* uppercase mikropopisky - nesu informaciu, nie dekoraciu */
.eyebrow{font-family:var(--f-display);font-size:11px;font-weight:700;
  text-transform:uppercase;letter-spacing:.14em;color:var(--brass)}

/* ---------- horny informacny pruh ---------- */
.util{background:var(--band-bg);color:var(--band-ink);font-size:12.5px;font-weight:500;
  border-bottom:1px solid var(--band-line)}
.util-in{max-width:var(--max);margin:0 auto;padding:8px 24px;display:flex;
  align-items:center;gap:22px;flex-wrap:wrap}
.util a:hover{color:var(--signal)}
.util .sp{flex:1}
.util span{color:var(--band-ink-2)}

/* ---------- hlavicka ---------- */
.hdr{position:sticky;top:0;z-index:50;background:var(--paper);
  border-bottom:1px solid var(--line)}
.hdr-in{display:flex;align-items:center;gap:22px;height:76px}
.brand{display:flex;align-items:center;gap:11px;font-family:var(--f-display);
  font-weight:800;font-size:18px;letter-spacing:-.02em;text-transform:uppercase;flex:0 0 auto}
.brand-mark{width:34px;height:34px;flex:0 0 auto;background:var(--signal);
  display:grid;place-items:center}
.brand-mark svg{width:19px;height:19px}
.hdr-sp{flex:1}
.search{position:relative;flex:1 1 300px;max-width:460px}
.search svg{position:absolute;left:14px;top:50%;transform:translateY(-50%);
  width:16px;height:16px;color:var(--ink-3)}
.search input{width:100%;padding:11px 14px 11px 40px;border:1px solid var(--line-2);
  background:var(--paper-2);outline:none;font-size:14.5px}
.search input:focus{border-color:var(--ink);background:var(--paper)}
.langs{display:flex;gap:0;border:1px solid var(--line-2)}
.langs a,.langs button{padding:7px 13px;font-family:var(--f-display);font-size:12px;
  font-weight:700;letter-spacing:.06em;color:var(--ink-3);background:none;border:none;cursor:pointer}
.langs a:hover,.langs button:hover{color:var(--ink)}
.langs a[aria-current="true"],.langs button[aria-current="true"]{
  background:var(--ink);color:var(--bone)}
.icon-btn{display:grid;place-items:center;width:40px;height:40px;flex:0 0 auto;
  border:1px solid var(--line-2);background:var(--paper);cursor:pointer;color:var(--ink-2)}
.icon-btn:hover{border-color:var(--ink);color:var(--ink)}
.icon-btn svg{width:17px;height:17px}

/* ---------- hero: tmavy pas ---------- */
.hero{background:var(--hero-bg);color:var(--hero-ink);padding:74px 0 66px;
  border-bottom:1px solid var(--hero-line)}
.hero h1{font-size:clamp(34px,6vw,66px);font-weight:800;text-transform:uppercase;
  letter-spacing:-.03em;max-width:15ch;margin:16px 0 0}
.hero h1 em{font-style:normal;color:var(--signal)}
.hero p{margin:20px 0 0;color:var(--hero-ink-2);max-width:56ch;font-size:17px}
.hero-stats{display:flex;flex-wrap:wrap;gap:0;margin-top:42px;
  border-top:1px solid var(--hero-line)}
.hero-stats div{display:flex;flex-direction:column;gap:3px;padding:20px 34px 0 0;
  margin-right:34px;border-right:1px solid var(--hero-line)}
.hero-stats div:last-child{border-right:none;margin-right:0;padding-right:0}
.hero-stats b{font-family:var(--f-display);font-size:30px;font-weight:800;letter-spacing:-.03em}
.hero-stats span{font-size:11px;text-transform:uppercase;letter-spacing:.12em;
  font-weight:600;color:var(--hero-ink-2)}

/* ---------- dlazdice kategorii ---------- */
.cats{padding:56px 0 10px}
.sec-head{display:flex;align-items:baseline;justify-content:space-between;
  gap:16px;flex-wrap:wrap;margin-bottom:22px}
.sec-head h2{font-size:26px;font-weight:800;text-transform:uppercase}
.tiles{display:grid;gap:12px;grid-template-columns:repeat(auto-fill,minmax(198px,1fr))}
.tile{display:flex;flex-direction:column;justify-content:space-between;gap:26px;
  min-height:112px;padding:16px 17px;background:var(--paper);border:1px solid var(--line);
  cursor:pointer;text-align:left;transition:border-color .14s,background .14s}
.tile:hover{border-color:var(--ink);background:var(--paper-2)}
.tile[aria-pressed="true"]{background:var(--ink);border-color:var(--ink);color:var(--bone)}
.tile[aria-pressed="true"] .tile-n{color:var(--signal)}
.tile-t{font-family:var(--f-display);font-weight:700;font-size:14.5px;line-height:1.25}
.tile-n{font-family:var(--f-display);font-size:23px;font-weight:800;
  letter-spacing:-.02em;color:var(--brass)}

/* ---------- filtre ---------- */
.filters{position:sticky;top:76px;z-index:40;background:var(--bone);
  border-bottom:1px solid var(--line);padding:16px 0;margin-top:40px}
.f-row{display:flex;gap:10px;align-items:center;flex-wrap:wrap}
select{padding:10px 13px;border:1px solid var(--line-2);background:var(--paper);
  cursor:pointer;outline:none;max-width:250px;font-size:14.5px}
select:focus{border-color:var(--ink)}
.chips{display:flex;gap:7px;overflow-x:auto;padding:0 0 2px;scrollbar-width:thin;flex:1 1 auto}
.chip{flex:0 0 auto;padding:8px 15px;border:1px solid var(--line-2);border-radius:99px;
  background:var(--paper);cursor:pointer;font-size:13.5px;font-weight:500;
  color:var(--ink-2);white-space:nowrap}
.chip:hover{border-color:var(--ink);color:var(--ink)}
.chip[aria-pressed="true"]{background:var(--ink);border-color:var(--ink);
  color:var(--bone);font-weight:600}
.chip b{font-weight:inherit;opacity:.55;margin-left:6px;font-size:12px}
.f-meta{display:flex;justify-content:space-between;align-items:center;gap:12px;
  padding-top:13px;font-size:13.5px;color:var(--ink-2);flex-wrap:wrap}
.link-btn{background:none;border:none;padding:0;color:var(--brass);cursor:pointer;
  font-size:13.5px;font-weight:600;text-decoration:underline;text-underline-offset:3px}
.link-btn:hover{color:var(--ink)}

/* ---------- mriezka produktov ---------- */
.grid{display:grid;gap:14px;padding:30px 0 14px;
  grid-template-columns:repeat(auto-fill,minmax(262px,1fr))}
.card{display:flex;flex-direction:column;background:var(--paper);
  border:1px solid var(--line);transition:border-color .14s,box-shadow .14s}
.card:hover{border-color:var(--ink);box-shadow:var(--shadow)}
.card-img{position:relative;aspect-ratio:1/1;background:var(--paper-2);
  cursor:pointer;overflow:hidden;border-bottom:1px solid var(--line)}
.card-img img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease}
.card:hover .card-img img{transform:scale(1.035)}
.card-img .ph{width:100%;height:100%;display:grid;place-items:center;
  color:var(--ink-3);font-size:12px}
.badge{position:absolute;top:0;left:0;background:var(--signal);color:var(--signal-ink);
  font-family:var(--f-display);font-size:11.5px;font-weight:800;padding:5px 10px;
  letter-spacing:.03em}
.card-b{padding:15px 16px 17px;display:flex;flex-direction:column;gap:9px;flex:1}
.card-cat{font-family:var(--f-display);font-size:10.5px;font-weight:700;
  text-transform:uppercase;letter-spacing:.12em;color:var(--brass)}
.card-t{font-family:var(--f-display);font-size:14px;font-weight:600;line-height:1.32;
  cursor:pointer;letter-spacing:-.005em}
.card-t:hover{color:var(--brass)}
.specs{display:flex;flex-wrap:wrap;gap:5px}
.spec{font-size:11.5px;padding:3px 8px;background:var(--bone-2);color:var(--ink-2);
  font-weight:600;letter-spacing:.02em}
.card-f{margin-top:auto;padding-top:13px;border-top:1px solid var(--line);
  display:flex;align-items:flex-end;justify-content:space-between;gap:10px}
.price{display:flex;flex-direction:column;line-height:1.2}
.price b{font-family:var(--f-display);font-size:19px;font-weight:800;letter-spacing:-.02em}
.price s{font-size:12px;color:var(--ink-3)}
.price .ask{font-size:14px;font-weight:600;color:var(--ink-2)}

/* ---------- tlacidla ---------- */
.btn{border:1px solid var(--ink);background:var(--ink);color:var(--bone);
  font-family:var(--f-display);font-weight:700;font-size:13px;letter-spacing:.03em;
  padding:10px 17px;border-radius:99px;cursor:pointer;white-space:nowrap;
  transition:background .14s,color .14s,border-color .14s}
.btn:hover{background:var(--signal);border-color:var(--signal);color:var(--signal-ink)}
.btn.ghost{background:transparent;color:var(--ink);border-color:var(--line-2)}
.btn.ghost:hover{background:var(--ink);color:var(--bone);border-color:var(--ink)}
.btn.wide{width:100%;padding:14px 18px;font-size:14px}
.btn:disabled{opacity:.45;cursor:not-allowed}
.more{display:flex;justify-content:center;padding:22px 0 70px}
.empty{padding:76px 20px;text-align:center;color:var(--ink-2)}
.empty h3{margin-bottom:8px;font-size:21px;text-transform:uppercase}

/* ---------- modalne okna ---------- */
.ov{position:fixed;inset:0;z-index:100;background:rgba(13,12,10,.66);
  display:grid;place-items:center;padding:22px;overflow-y:auto}
.ov[hidden]{display:none}
.modal{background:var(--paper);border:1px solid var(--line);width:100%;
  max-width:980px;box-shadow:var(--shadow-lg);margin:auto;position:relative}
.modal.sm{max-width:580px}
.m-close{position:absolute;top:0;right:0;z-index:2;width:44px;height:44px;
  border:none;border-left:1px solid var(--line);border-bottom:1px solid var(--line);
  background:var(--paper);cursor:pointer;display:grid;place-items:center;color:var(--ink-2)}
.m-close:hover{background:var(--ink);color:var(--bone)}
.m-close svg{width:16px;height:16px}
.p-detail{display:grid;grid-template-columns:1.05fr 1fr}
.p-media{background:var(--paper-2);padding:26px;display:flex;flex-direction:column;
  gap:12px;border-right:1px solid var(--line)}
.p-main{aspect-ratio:1/1;background:var(--paper);overflow:hidden;border:1px solid var(--line)}
.p-main img{width:100%;height:100%;object-fit:contain}
.p-thumbs{display:flex;gap:8px;flex-wrap:wrap}
.p-thumbs button{width:58px;height:58px;overflow:hidden;border:1px solid var(--line);
  background:var(--paper);cursor:pointer;padding:0}
.p-thumbs button[aria-current="true"]{border-color:var(--ink);outline:1px solid var(--ink)}
.p-thumbs img{width:100%;height:100%;object-fit:cover}
.p-info{padding:30px 30px 28px;display:flex;flex-direction:column;gap:15px;min-width:0}
.p-info h2{font-size:23px;font-weight:800;padding-right:34px;letter-spacing:-.025em}
.p-desc{color:var(--ink-2);font-size:15px;margin:0}
.p-price{display:flex;align-items:baseline;gap:11px;flex-wrap:wrap;
  padding:14px 0;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.p-price b{font-family:var(--f-display);font-size:29px;font-weight:800;letter-spacing:-.03em}
.p-price s{color:var(--ink-3);font-size:15px}
.tbl{width:100%;border-collapse:collapse;font-size:14px}
.tbl th,.tbl td{text-align:left;padding:9px 0;border-bottom:1px solid var(--line);
  vertical-align:top}
.tbl th{color:var(--ink-3);font-weight:500;width:44%}
.tbl td{font-weight:600}
.note{font-size:12.5px;color:var(--ink-3);margin:0}

/* ---------- formular ---------- */
.form{padding:30px;display:flex;flex-direction:column;gap:17px}
.form h2{font-size:21px;font-weight:800;text-transform:uppercase;padding-right:34px}
.f-prod{display:flex;gap:13px;padding:13px;background:var(--paper-2);
  border:1px solid var(--line);align-items:center}
.f-prod img{width:58px;height:58px;object-fit:cover;flex:0 0 auto}
.f-prod div{min-width:0}
.f-prod strong{display:block;font-size:14px;font-weight:600;line-height:1.35;
  font-family:var(--f-display)}
.f-prod span{font-size:12.5px;color:var(--ink-3)}
.fields{display:grid;grid-template-columns:1fr 1fr;gap:13px}
label{display:flex;flex-direction:column;gap:6px;font-size:11px;font-weight:700;
  font-family:var(--f-display);text-transform:uppercase;letter-spacing:.09em;color:var(--ink-2)}
label.full{grid-column:1/-1}
label input,label select,label textarea{padding:11px 13px;border:1px solid var(--line-2);
  background:var(--paper);outline:none;font-family:var(--f-body);font-weight:400;
  font-size:15px;text-transform:none;letter-spacing:0;color:var(--ink);width:100%;max-width:none}
label input:focus,label select:focus,label textarea:focus{border-color:var(--ink)}
label input:invalid:not(:placeholder-shown){border-color:var(--danger)}
textarea{resize:vertical;min-height:80px}
.req{color:var(--danger);font-style:normal}
.f-actions{display:flex;gap:10px;flex-wrap:wrap}
.f-actions .btn{flex:1 1 auto}
.msg{font-size:13.5px;padding:12px 14px;background:var(--bone-2);
  border-left:3px solid var(--brass);color:var(--ink-2)}
.msg a{color:var(--brass);font-weight:600;text-decoration:underline}
.msg.ok{border-left-color:var(--ok);background:var(--bone-2);color:var(--ink)}

/* ---------- paticka ---------- */
.ftr{border-top:1px solid var(--band-line);background:var(--band-bg);color:var(--band-ink);
  padding:58px 0 40px;margin-top:26px}
.ftr-in{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:36px}
.ftr h4{font-family:var(--f-display);font-size:11px;text-transform:uppercase;
  letter-spacing:.14em;color:var(--band-brass);margin:0 0 14px;font-weight:700}
.ftr p,.ftr li{color:var(--band-ink-2);font-size:14.5px;margin:0 0 8px}
.ftr strong{color:var(--band-ink);font-family:var(--f-display);font-weight:700}
.ftr ul{list-style:none;padding:0;margin:0}
.ftr a:hover,.ftr .linkish:hover{color:var(--signal)}
.ftr-btm{margin-top:38px;padding-top:22px;border-top:1px solid var(--band-line);
  font-size:12.5px;color:var(--band-ink-3);display:flex;justify-content:space-between;
  gap:14px;flex-wrap:wrap}

/* ---------- responzivita ---------- */
@media (max-width:900px){
  .hdr-in{height:auto;padding:14px 0;flex-wrap:wrap;gap:12px}
  .search{order:3;flex:1 1 100%;max-width:none}
  .filters{top:0;position:static}
  .hero{padding:48px 0 42px}
  .hero-stats div{padding-right:22px;margin-right:22px}
}
@media (max-width:760px){
  .p-detail{grid-template-columns:1fr}
  .p-media{border-right:none;border-bottom:1px solid var(--line)}
  .fields{grid-template-columns:1fr}
  .ov{padding:0}
  .modal{min-height:100%;border:none}
  .util-in{gap:14px;font-size:12px}
  .hero-stats div{border-right:none;padding:14px 0 0;margin:0;flex:1 0 44%}
}
@media (prefers-reduced-motion:reduce){*{transition:none!important;animation:none!important}}