/* Sdilene styly pro vsechny stranky: promenne, zaklad, tlacitka, hlavicka, paticka.
   Styly konkretni stranky patri do jejiho <style>. */
:root{
  --soil:#0e0e0e;      /* zaklad */
  --soil-2:#161512;    /* plochy */
  --soil-3:#1f1d18;    /* karty */
  --gold:#baa060;      /* BCG zlata */
  --gold-hi:#d9c48a;   /* hover/odlesk */
  --ink:#f4f1ea;       /* nadpisy */
  --text:#c9c4b8;      /* text */
  --muted:#8a8578;     /* popisky */
  --line:rgba(186,160,96,.18);
  --r:20px;            /* zaobleni karet a fotek */
  --hdr-h:92px;        /* vyska hlavicky nahore (mobil 72px); po scrollu se lista zmensi, odsazeni obsahu zustava */
  --f:Kanit,"Helvetica Neue",Arial,sans-serif;
  --gut:max(16px,env(safe-area-inset-left,0px));
  --gutr:max(16px,env(safe-area-inset-right,0px));
  color-scheme:dark;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:calc(var(--hdr-h) + 16px)}
body{margin:0;padding-top:calc(var(--hdr-h) + env(safe-area-inset-top,0px));background:var(--soil);color:var(--text);font-family:var(--f);font-weight:300;font-size:16px;line-height:1.65;-webkit-font-smoothing:antialiased;overflow-x:hidden}
img{max-width:100%;height:auto;display:block}
a{color:inherit}
h1,h2,h3{font-family:var(--f);color:var(--ink);text-transform:uppercase;line-height:1.02;margin:0;text-wrap:balance;letter-spacing:-.01em}
h2{font-size:clamp(32px,5vw,60px);font-weight:700}
h3{font-size:20px;font-weight:600;letter-spacing:.02em}
p{margin:0}
.wrap{max-width:1240px;margin:0 auto;padding-left:var(--gut);padding-right:var(--gutr)}
.eyebrow{display:inline-flex;align-items:center;gap:10px;font-size:12px;font-weight:500;letter-spacing:.22em;text-transform:uppercase;color:var(--gold)}
.eyebrow::before{content:"";width:28px;height:1px;background:var(--gold)}
.gold{color:var(--gold)}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}
:focus-visible{outline:2px solid var(--gold-hi);outline-offset:3px}

/* ---------- fotky: pevna sada pomeru stran (nic jineho nepouzivat) ----------
   .ratio-wide     16/9  siroke fotky v sekcich (technologie, bannery, fotka pres celou sirku)
   .ratio-card      4/3  fotky v kartach a mrizkach (reference, produkty, clanky)
   .ratio-portrait  4/5  lide a fotky vedle textu
   .ratio-square    1/1  packshoty produktu
   Pouziti na <img> (object-fit) i na <div> s background-image. Dulezity obsah u kraje -> .pos-* */
.ratio-wide,.ratio-card,.ratio-portrait,.ratio-square{display:block;width:100%;height:auto;object-fit:cover;object-position:center;background-color:var(--soil-2);background-size:cover;background-position:center;border-radius:var(--r);overflow:hidden}
.ratio-wide{aspect-ratio:16/9}
.ratio-card{aspect-ratio:4/3}
.ratio-portrait{aspect-ratio:4/5}
.ratio-square{aspect-ratio:1/1}
.pos-top{object-position:center 15%;background-position:center 15%}
.pos-face{object-position:center 30%;background-position:center 30%}
.pos-low{object-position:center 65%;background-position:center 65%}
.pos-right{object-position:65% center;background-position:65% center}

/* ---------- buttons ---------- */
.btn{display:inline-flex;align-items:center;gap:12px;padding:15px 28px;font:500 13px/1 var(--f);letter-spacing:.14em;text-transform:uppercase;text-decoration:none;border:1.5px solid var(--gold);border-radius:999px;color:var(--ink);transition:background .25s,color .25s,transform .25s}
.btn:hover{background:var(--gold);color:var(--soil)}
.btn--solid{background:var(--gold);color:var(--soil)}
.btn--solid:hover{background:var(--gold-hi);border-color:var(--gold-hi)}
.btn .arr{font-weight:700;letter-spacing:0}

/* ---------- header: pevna lista pres celou sirku (position:fixed) ----------
   Obsah odsazuje body{padding-top:var(--hdr-h)} – plati pro vsechny stranky, nic nezajizdi pod listu. */
.hdr{position:fixed;z-index:50;top:0;left:0;right:0;padding-top:env(safe-area-inset-top,0px);background:rgba(14,14,14,.88);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);border-bottom:1px solid rgba(186,160,96,.2)}
.hdr .wrap{position:relative;display:flex;align-items:center;gap:28px;height:var(--hdr-h);transition:height .3s ease}
.hdr.is-scrolled .wrap{height:64px}
.logo{display:flex;align-items:center;gap:14px;text-decoration:none;flex-shrink:0}
.logo img{width:64px;height:64px;transition:width .3s ease,height .3s ease}
.hdr.is-scrolled .logo img{width:44px;height:44px}
.logo span{font-weight:700;font-size:16px;letter-spacing:.2em;color:var(--ink);line-height:1.2;transition:font-size .3s ease}
.hdr.is-scrolled .logo span{font-size:13px}
.hdr.is-scrolled .logo small{font-size:10px}
.ftr .logo img{width:48px;height:48px}
.ftr .logo span{font-size:13px}
.ftr .logo small{font-size:10px}
.logo small{display:block;margin-top:6px;line-height:1.2;font-weight:300;font-size:11.5px;color:var(--muted);letter-spacing:.24em;transition:font-size .3s ease}
.nav{display:flex;align-items:center;gap:32px;margin-left:auto;align-self:stretch}
.nav a{position:relative;display:flex;align-items:center;font:600 14px/1 var(--f);letter-spacing:.06em;text-transform:uppercase;text-decoration:none;color:var(--text);background:none;transition:color .25s ease}
.nav a::after{content:"";position:absolute;left:0;right:.06em;bottom:calc(50% - 15px);height:2px;background:var(--gold);transform:scaleX(0);transition:transform .25s ease}
.nav a:hover,.nav a[aria-current="page"]{color:var(--gold)}
.nav a[aria-current="page"]::after{transform:scaleX(1)}
.farma-btn{position:relative;display:inline-flex;align-items:center;gap:10px;padding:10px 18px 10px 14px;background:var(--gold);color:var(--soil);text-decoration:none;font:600 12px/1.1 var(--f);letter-spacing:.08em;text-transform:uppercase;overflow:hidden;flex-shrink:0;border-radius:4px}
.farma-btn svg{width:22px;height:22px;flex-shrink:0}
.farma-btn em{font-style:normal;display:block;font-size:9px;font-weight:500;letter-spacing:.2em;opacity:.75}
.farma-btn::after{content:"";position:absolute;inset:0;background:linear-gradient(105deg,transparent 35%,rgba(255,255,255,.55) 50%,transparent 65%);transform:translateX(-120%);animation:shine 3.6s ease-in-out infinite}
.farma-btn:hover{background:var(--gold-hi)}
@keyframes shine{0%,55%{transform:translateX(-120%)}80%,100%{transform:translateX(120%)}}
.burger{display:none;margin-left:auto;background:none;border:1px solid var(--line);color:var(--ink);width:44px;height:44px;cursor:pointer;flex-shrink:0}
.burger svg{width:20px;height:20px}

/* ---------- footer ---------- */
.ftr{padding-block:64px 36px;border-top:1px solid var(--line)}
.ftr-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:40px}
.ftr h4{margin:0 0 16px;font:500 12px/1 var(--f);letter-spacing:.22em;text-transform:uppercase;color:var(--gold)}
.ftr ul{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:9px}
.ftr a{text-decoration:none}
.ftr a:hover{color:var(--gold)}
.ftr-brand p{margin-top:18px;max-width:30em;font-size:14px}
.partners{display:flex;align-items:center;gap:22px;margin-top:24px}
.partners img{height:40px;width:auto;opacity:.75;transition:opacity .2s}
.partners a:hover img{opacity:1}
.social a{display:inline-flex;align-items:center;gap:10px}
.social svg{width:18px;height:18px;color:var(--gold)}
.copy{margin-top:48px;padding-top:22px;border-top:1px solid var(--line);font-size:12px;color:var(--muted);display:flex;flex-wrap:wrap;gap:8px 24px;justify-content:space-between}

/* ---------- responsive ---------- */
@media (max-width:1320px){
  .nav{gap:22px}
  .hdr .logo span{display:none}
}
@media (max-width:1180px){
  .nav{display:none;position:absolute;top:100%;left:0;right:0;flex-direction:column;gap:0;background:var(--soil);border-bottom:1px solid rgba(186,160,96,.2);padding:4px var(--gutr) 16px var(--gut);max-height:calc(100svh - var(--hdr-h));overflow-y:auto}
  .nav.open{display:flex}
  .nav{align-self:auto}
  .nav a{padding:16px 0;border-bottom:1px solid var(--line);font-size:14px}
  .nav a::after{bottom:8px;right:auto;width:28px}
  .nav a:last-child{border-bottom:0}
  .burger{display:grid;place-items:center;margin-left:0}
  .farma-btn{margin-left:auto}
  .hdr .logo span{display:block}
  .ftr-grid{grid-template-columns:1fr 1fr}
  .ftr-brand{grid-column:1/-1}
}
@media (max-width:640px){
  :root{--hdr-h:72px}
  .hdr.is-scrolled .wrap{height:60px}
  .hdr .wrap{gap:10px}
  .logo img{width:52px;height:52px}
  .hdr.is-scrolled .logo img{width:40px;height:40px}
  .hdr .logo span{display:none}
  .farma-btn{padding:9px 14px 9px 10px;font-size:11px}
  .farma-btn em{display:none}
  .farma-btn svg{width:18px;height:18px}
  .ftr-grid{grid-template-columns:1fr}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation:none!important;transition:none!important}
  html{scroll-behavior:auto}
}

/* ---------- badge: ikona v kolecku + hodnota + popisek (styl jako /turbo-substrat/) ---------- */
.badges{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.badge{display:flex;align-items:center;gap:18px;padding:22px 24px;background:var(--soil-2);border-radius:14px;min-width:0}
.badge-icon{display:grid;place-items:center;width:50px;height:50px;flex-shrink:0;border-radius:50%;background:rgba(186,160,96,.12);color:var(--gold)}
.badge-icon svg{width:26px;height:26px}
.badge-text{display:flex;flex-direction:column;min-width:0}
.badge-text b{font-size:clamp(19px,1.8vw,24px);font-weight:600;color:var(--ink);line-height:1.1;letter-spacing:.01em}
.badge-text small{margin-top:6px;font-size:11px;letter-spacing:.14em;text-transform:uppercase;color:var(--muted);line-height:1.35}
@media (max-width:980px){.badges{grid-template-columns:1fr}}

/* ---------- jednotny styl dlazdic / karet na celem webu ----------
   klid: jemny zlaty ramecek; hover: povyjede o 4 px, plne zlaty ramecek + jemna zlata zare.
   "body " zvysuje prioritu nad pravidly jednotlivych stranek. Na dotykovych zarizenich bez hover efektu. */
body :is(.badge,.prod,.sub-card,.step,.stat,.shop,.socky-copy,.card,.feat,.pitem,.tsubstrat-page .ts-badge,.tsubstrat-page .ts-detail-card,.tsubstrat-page .ts-tile){border:1px solid rgba(186,160,96,.25);transition:transform .3s ease,border-color .3s ease,box-shadow .3s ease}
@media (hover:hover) and (pointer:fine){
  body :is(.badge,.prod,.sub-card,.step,.stat,.shop,.socky-copy,.card,.feat,.pitem,.tsubstrat-page .ts-badge,.tsubstrat-page .ts-detail-card,.tsubstrat-page .ts-tile):hover{transform:translateY(-4px);border-color:var(--gold);box-shadow:0 0 0 1px rgba(186,160,96,.25),0 12px 32px -8px rgba(186,160,96,.28)}
}
@media (hover:none),(pointer:coarse){
  body :is(.badge,.prod,.sub-card,.step,.stat,.shop,.socky-copy,.card,.feat,.pitem,.tsubstrat-page .ts-badge,.tsubstrat-page .ts-detail-card,.tsubstrat-page .ts-tile):hover{transform:none;border-color:rgba(186,160,96,.25);box-shadow:none}
}

/* ---------- lightbox (js/lightbox.js) ---------- */
.lb-zoom{cursor:zoom-in}
.lb-zoom:focus-visible{outline:2px solid var(--gold-hi);outline-offset:3px}
html.lb-open{overflow:hidden}
.lb{position:fixed;inset:0;z-index:200;display:flex;align-items:center;justify-content:center;gap:12px;padding:clamp(12px,3vw,40px);background:rgba(8,8,8,.97);opacity:0;transition:opacity .25s ease}
.lb.is-on{opacity:1}
.lb[hidden]{display:none}
.lb-fig{margin:0;flex:1;min-width:0;height:100%;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:14px}
.lb-img{max-width:100%;max-height:calc(100% - 60px);width:auto;height:auto;object-fit:contain;border-radius:calc(var(--r) / 2);box-shadow:0 20px 60px rgba(0,0,0,.6)}
.lb-cap{display:flex;gap:16px;align-items:baseline;justify-content:center;flex-wrap:wrap;max-width:60em;text-align:center;color:var(--text);font-size:15px}
.lb-count{color:var(--gold);font-size:12px;letter-spacing:.16em;white-space:nowrap}
.lb-btn{flex-shrink:0;display:grid;place-items:center;width:48px;height:48px;border-radius:50%;border:1px solid rgba(186,160,96,.35);background:rgba(14,14,14,.7);color:var(--ink);cursor:pointer;transition:border-color .2s,background .2s}
.lb-btn:hover,.lb-btn:focus-visible{border-color:var(--gold);background:rgba(186,160,96,.15)}
.lb-btn svg{width:22px;height:22px;fill:none;stroke:currentColor;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}
.lb-btn[hidden]{display:none}
.lb-close{position:absolute;top:clamp(10px,2vw,22px);right:clamp(10px,2vw,22px);z-index:1}
@media (max-width:640px){
  .lb{padding:56px 8px 16px}
  .lb-prev,.lb-next{position:absolute;bottom:14px;width:44px;height:44px}
  .lb-prev{left:16px}.lb-next{right:16px}
  .lb-img{max-height:calc(100% - 90px)}
  .lb-cap{font-size:14px;padding:0 56px}
}
@media (prefers-reduced-motion:reduce){.lb{transition:none}}