/* ═══════════════════════════════════════════════════════════
   DIDYMOSTAV s.r.o. – styly webu (design 2026-10)
   ═══════════════════════════════════════════════════════════ */
:root{
  --bg:#141518;
  --bg-2:#1b1c20;
  --bg-3:#222328;
  --line:#2c2d32;
  --line-2:#3a3b41;
  --text:#ebe7df;
  --soft:#cfcac0;
  --muted:#a29e95;
  --gold:#c49a4c;
  --gold-2:#e0bb6e;
  --rail:88px;
  --font:'Jost','Segoe UI',system-ui,sans-serif;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{background:var(--bg);color:var(--text);font-family:var(--font);font-weight:300;font-size:17px;line-height:1.6;overflow-x:hidden}
img{display:block;max-width:100%}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
ul,ol{list-style:none}
:focus-visible{outline:2px solid var(--gold-2);outline-offset:3px}
.skip{position:absolute;left:-9999px;top:8px;z-index:200;background:var(--gold);color:#111;padding:8px 14px}
.skip:focus{left:8px}
.no-scroll{overflow:hidden}

/* ───── Svislá lišta s čísly sekcí a kostkou ───── */
.rail{position:fixed;left:0;top:0;bottom:0;width:var(--rail);z-index:40;pointer-events:none}
.rail ol{position:absolute;left:0;right:0;top:50%;transform:translateY(-50%);display:flex;flex-direction:column;align-items:center;gap:6px;pointer-events:auto}
.rail ol::before,.rail ol::after{content:"";position:absolute;left:50%;width:1px;height:50vh;background:var(--line-2)}
.rail ol::before{bottom:calc(100% + 10px)}
.rail ol::after{top:calc(100% + 10px)}
.rail li{position:relative;padding:7px 0;transition:margin .4s cubic-bezier(.6,0,.2,1)}
.rail li:not(:last-child)::after{content:"";position:absolute;left:50%;bottom:-5px;width:1px;height:8px;background:var(--line-2)}
.rail li.on{margin-bottom:28px}
.rail li.on::after{display:none}
.rail a{display:block;font-size:14px;letter-spacing:.08em;color:#6f6c66;transition:color .3s;width:34px;text-align:center}
.rail a:hover{color:var(--text)}
.rail a.active{color:var(--gold)}
.rail .cube{position:absolute;left:50%;top:0;width:20px;height:18px;margin-left:-10px;transition:top .5s cubic-bezier(.6,0,.2,1)}
.rail .cube svg{width:20px;height:18px;display:block}

/* ───── Horní lišta ───── */
.top{position:fixed;left:0;right:0;top:0;z-index:50;padding:24px 44px 20px calc(var(--rail) + 4px);display:flex;align-items:center;gap:40px;transition:background .4s,padding .4s,border-color .4s;border-bottom:1px solid transparent}
.top.solid{background:rgba(20,21,24,.94);backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);padding-top:12px;padding-bottom:10px;border-bottom-color:var(--line)}
.brand img{width:112px;height:auto;transition:width .4s;filter:drop-shadow(0 2px 12px rgba(0,0,0,.7))}
.top.solid .brand img{width:80px}
.crumbs{flex:1;display:flex;gap:14px;font-size:13px;letter-spacing:.14em;text-transform:uppercase;color:var(--muted);padding-left:12%}
.crumbs a:hover{color:var(--text)}
.crumbs span:last-child{color:var(--gold)}
.crumbs i{font-style:normal;color:#5b5953}
.top-call{font-size:15px;letter-spacing:.06em;color:var(--soft);transition:color .2s}
.top-call:hover{color:var(--gold-2)}
.menu-btn{display:flex;align-items:center;gap:18px;min-height:44px;padding:0 2px;font-size:13px;letter-spacing:.16em;text-transform:uppercase}
.menu-btn .bars{width:24px;display:grid;gap:6px}
.menu-btn .bars span{height:1.5px;background:var(--gold);transition:transform .35s,opacity .35s}
.menu-open .menu-btn .bars span:nth-child(1){transform:translateY(7.5px) rotate(45deg)}
.menu-open .menu-btn .bars span:nth-child(2){opacity:0}
.menu-open .menu-btn .bars span:nth-child(3){transform:translateY(-7.5px) rotate(-45deg)}

/* ───── Celostránkové menu ───── */
.overlay{position:fixed;inset:0;z-index:45;background:rgba(17,18,21,.97);display:grid;place-items:center;opacity:0;visibility:hidden;transition:opacity .4s,visibility .4s}
.menu-open .overlay{opacity:1;visibility:visible}
.overlay ol{counter-reset:m}
.overlay li{counter-increment:m;overflow:hidden}
.overlay ol a{display:flex;align-items:baseline;gap:28px;font-size:clamp(34px,6vw,64px);font-weight:300;letter-spacing:.04em;text-transform:uppercase;line-height:1.35;transform:translateY(100%);transition:transform .6s cubic-bezier(.2,.7,.2,1),color .25s}
.overlay ol a::before{content:"0" counter(m);font-size:15px;color:var(--gold);letter-spacing:.1em;width:28px}
.overlay ol a:hover{color:var(--gold-2)}
.menu-open .overlay ol a{transform:none}
.overlay li:nth-child(2) a{transition-delay:.05s}.overlay li:nth-child(3) a{transition-delay:.1s}.overlay li:nth-child(4) a{transition-delay:.15s}
.ov-foot{position:absolute;bottom:40px;left:calc(var(--rail) + 4px);right:44px;display:flex;justify-content:space-between;flex-wrap:wrap;gap:12px;color:var(--muted);font-size:15px}
.ov-foot a{color:var(--text)}

/* ───── Společné ───── */
.panel{position:relative;min-height:100vh;padding:140px 44px 100px calc(var(--rail) + 40px);display:flex;flex-direction:column;justify-content:center}
.panel + .panel{border-top:1px solid var(--line)}
h1,h2,h3{font-weight:300;text-transform:uppercase;letter-spacing:.02em;line-height:1.05}
h2{font-size:clamp(40px,5vw,64px)}
.label{display:block;font-size:13px;letter-spacing:.16em;text-transform:uppercase;color:var(--gold);margin-bottom:18px}
.rule{width:44px;height:1px;background:var(--gold);margin:28px 0}
.btn{display:inline-flex;align-items:center;gap:20px;border:1px solid var(--gold);color:var(--gold-2);padding:16px 26px;font-size:14px;letter-spacing:.14em;text-transform:uppercase;font-weight:400;transition:background .3s,color .3s,border-color .3s}
.btn:hover{background:var(--gold);color:#16130d}
.btn.fill{background:var(--gold);color:#16130d}
.btn.fill:hover{background:var(--gold-2);border-color:var(--gold-2)}
.btn svg{flex:none}
.arrow{width:24px;height:10px;flex:none}
.split{display:grid;grid-template-columns:minmax(260px,1fr) 2.3fr;gap:56px}

/* ───── 01 Úvod ───── */
.hero{min-height:100vh;min-height:100svh;padding:0;overflow:hidden}
.hero-bg{position:absolute;top:0;bottom:0;right:0;left:50%}
.hero-bg img{width:100%;height:100%;object-fit:cover;object-position:8% 60%;filter:saturate(1.08) contrast(1.04) brightness(1.06);transform:scale(1.06);animation:settle 2.4s cubic-bezier(.2,.7,.2,1) forwards}
.hero-bg::after{content:"";position:absolute;inset:0;pointer-events:none;background:
  linear-gradient(90deg,rgba(20,21,24,.9) 0%,rgba(20,21,24,.3) 7%,rgba(20,21,24,0) 16%),
  linear-gradient(180deg,rgba(20,21,24,.55) 0%,rgba(20,21,24,0) 16%)}
.hero::before{content:"";position:absolute;left:50%;top:0;bottom:0;width:1px;background:var(--gold);opacity:.5;z-index:1}
@keyframes settle{to{transform:scale(1)}}
.hero-in{position:relative;z-index:2;padding:130px 44px 130px calc(var(--rail) + 40px);max-width:50%}

.hero .place{font-size:14px;letter-spacing:.16em;text-transform:uppercase;color:var(--soft);margin-bottom:26px}
.hero h1{font-size:clamp(40px,5.4vw,84px);line-height:1.02;letter-spacing:.01em}
.hero h1 span{display:block;opacity:0;transform:translateY(24px);animation:rise .9s cubic-bezier(.2,.7,.2,1) forwards}
.hero h1 span:nth-child(2){animation-delay:.12s}
.hero h1 span:nth-child(3){animation-delay:.24s;color:var(--gold)}
@keyframes rise{to{opacity:1;transform:none}}
.hero .rule{margin:34px 0 24px}
.tags{display:flex;flex-wrap:wrap;align-items:center;gap:12px 20px;font-size:16px;letter-spacing:.12em;text-transform:uppercase;font-weight:400}
.tags .dot{width:5px;height:5px;border-radius:50%;background:var(--gold)}
.hero .who{margin-top:18px;color:var(--soft);font-size:18px}
.hero .who strong{font-weight:400;color:var(--text)}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:38px}
.scroll{position:absolute;z-index:2;left:25%;bottom:30px;display:flex;flex-direction:column;align-items:center;gap:12px;font-size:11px;letter-spacing:.2em;color:var(--gold);text-transform:uppercase}
.scroll::before{content:"";width:1px;height:46px;background:linear-gradient(var(--gold),transparent)}

/* ───── 02 Služby ───── */
.svc-intro{align-self:start;position:sticky;top:140px}
.cards{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.card{background:var(--bg-2);border:1px solid var(--line);display:flex;flex-direction:column}
.card-media{position:relative;aspect-ratio:4/3;overflow:hidden;background:#000}
.card-media img{width:100%;height:100%;object-fit:cover;filter:saturate(.8) contrast(1.04);transition:transform 1.2s cubic-bezier(.2,.7,.2,1)}
.card:hover .card-media img{transform:scale(1.03)}
.card-media .no{position:absolute;left:0;bottom:0;background:var(--bg-2);color:var(--gold);font-size:15px;letter-spacing:.1em;padding:10px 18px 6px 30px}
.card-body{padding:22px 30px 32px}
.card h3{font-size:clamp(24px,2.2vw,30px);margin-bottom:14px}
.card p{color:var(--soft);font-size:16px}
.card ul{margin-top:20px;border-top:1px solid var(--line-2);font-size:15.5px}
.card li{padding:10px 0;border-bottom:1px solid rgba(58,59,65,.6);display:flex;gap:12px;color:#ddd8cf}
.card li::before{content:"";flex:none;width:6px;height:6px;margin-top:10px;background:var(--gold);transform:rotate(45deg)}

/* ───── 03 Reference ───── */
.ref-side{display:flex;flex-direction:column}
.ref-cap{margin-top:auto}
.ref-cap h3{font-size:clamp(26px,2.6vw,36px);line-height:1.1;min-height:2.2em}
.ref-ctrl{display:flex;align-items:center;gap:14px;margin-top:30px}
.ref-ctrl button{width:58px;height:50px;border:1px solid var(--gold);display:grid;place-items:center;color:var(--gold-2);transition:background .3s,color .3s}
.ref-ctrl button.fill{background:var(--gold);color:#17140e}
.ref-ctrl button:hover{background:var(--gold-2);color:#17140e}
.ref-ctrl .count{margin-left:10px;font-size:14px;letter-spacing:.12em;color:var(--muted)}
.ref-ctrl .count b{color:var(--gold);font-weight:400}
.stage{position:relative;aspect-ratio:16/10;overflow:hidden;background:#0d0e10;cursor:zoom-in;display:block;width:100%}
.stage .blur{position:absolute;inset:-30px;width:calc(100% + 60px);height:calc(100% + 60px);object-fit:cover;filter:blur(28px) brightness(.35) saturate(.6)}
.stage .main{position:relative;width:100%;height:100%;object-fit:contain;filter:saturate(.85) contrast(1.04);animation:swap .7s cubic-bezier(.2,.7,.2,1)}
.stage .zoom{position:absolute;right:14px;top:14px;z-index:2;width:40px;height:40px;display:grid;place-items:center;background:rgba(20,21,24,.75);border:1px solid var(--line-2);color:var(--gold-2)}
@keyframes swap{from{opacity:.15;transform:scale(1.02)}to{opacity:1;transform:none}}
.thumbs{display:grid;grid-template-columns:repeat(6,1fr);gap:10px;margin-top:10px}
.thumbs button{aspect-ratio:4/3;overflow:hidden;opacity:.5;transition:opacity .3s;border:1px solid transparent;background:#000}
.thumbs button img{width:100%;height:100%;object-fit:cover}
.thumbs button:hover{opacity:.9}
.thumbs button.on{opacity:1;border-color:var(--gold)}

/* Lightbox */
.lb{position:fixed;inset:0;z-index:120;background:rgba(10,10,12,.96);display:none;flex-direction:column;align-items:center;justify-content:center;padding:70px 80px 40px}
.lb.open{display:flex}
.lb img{max-width:100%;max-height:calc(100vh - 150px);object-fit:contain}
.lb-cap{margin-top:16px;color:var(--soft);letter-spacing:.12em;text-transform:uppercase;font-size:14px}
.lb-cap b{color:var(--gold);font-weight:400;margin-right:12px}
.lb button{position:absolute;width:50px;height:50px;display:grid;place-items:center;border:1px solid var(--line-2);color:var(--gold-2);font-size:20px;background:rgba(20,21,24,.8);transition:background .2s,color .2s}
.lb button:hover{background:var(--gold);color:#16130d}
.lb-close{top:16px;right:16px}
.lb-prev{left:16px;top:50%;transform:translateY(-50%)}
.lb-next{right:16px;top:50%;transform:translateY(-50%)}

/* ───── 04 Kontakt ───── */
.kcard{border:1px solid var(--line);background:var(--bg-2)}
.k-head{padding:38px 40px 30px;display:flex;gap:22px;align-items:center;border-bottom:1px solid var(--line)}
.k-head .mono{width:58px;height:58px;border:1px solid var(--gold);display:grid;place-items:center;color:var(--gold);font-size:18px;letter-spacing:.06em;flex:none}
.k-name{font-size:clamp(24px,2.4vw,32px);font-weight:300;letter-spacing:.03em}
.k-firm{color:var(--soft);font-size:17px}
.k-svc{color:var(--muted);font-size:14px;letter-spacing:.12em;text-transform:uppercase;margin-top:6px}
.k-cta{display:grid;grid-template-columns:1fr 1fr}
.k-cta a{padding:34px 40px;display:flex;flex-direction:column;gap:8px;transition:background .3s}
.k-cta a + a{border-left:1px solid var(--line)}
.k-cta a:hover{background:var(--bg-3)}
.k-cta .ic{color:var(--gold);width:26px;height:26px}
.k-cta .lbl{font-size:12.5px;letter-spacing:.14em;text-transform:uppercase;color:var(--muted)}
.k-cta .val{font-size:clamp(22px,2.2vw,30px);letter-spacing:.03em;color:var(--gold-2);word-break:break-word}
.k-foot{display:flex;justify-content:space-between;flex-wrap:wrap;gap:12px;padding:20px 40px;border-top:1px solid var(--line);font-size:15px;color:var(--soft)}
.k-foot a{display:inline-flex;align-items:center;gap:10px}
.k-foot a:hover{color:var(--gold-2)}
.k-foot svg{width:14px;height:16px;color:var(--gold);flex:none}

/* ───── Patička ───── */
.footer{border-top:1px solid var(--line);padding:26px 44px 26px calc(var(--rail) + 40px);display:flex;justify-content:space-between;flex-wrap:wrap;gap:10px 24px;color:#8a867e;font-size:14px}
.footer strong{font-weight:400;color:var(--soft)}
.footer-links{display:flex;flex-wrap:wrap;gap:0 18px}
.footer-links a{display:inline-block;padding:11px 0}
.footer a:hover{color:var(--gold-2)}

/* Zpět nahoru */
.to-top{position:fixed;right:22px;bottom:22px;z-index:80;width:46px;height:46px;border:1px solid var(--line-2);background:rgba(20,21,24,.85);color:var(--gold-2);display:grid;place-items:center;opacity:0;visibility:hidden;transition:opacity .3s,visibility .3s}
.to-top.visible{opacity:1;visibility:visible}
.to-top svg{width:20px;height:20px}

/* ───── Právní stránky ───── */
.legal-page{padding:150px 44px 90px calc(var(--rail) + 40px)}
.legal-page .container{max-width:820px}
.legal-back{display:inline-flex;gap:10px;margin-bottom:34px;color:var(--gold-2);font-size:14px;letter-spacing:.12em;text-transform:uppercase}
.legal-back:hover{color:var(--text)}
.legal-page .section-tag{display:block;font-size:13px;letter-spacing:.16em;text-transform:uppercase;color:var(--gold);margin-bottom:14px}
.legal-page h1{font-size:clamp(36px,5vw,58px);margin-bottom:18px}
.legal-meta{color:var(--muted);padding-bottom:22px;border-bottom:1px solid var(--line);margin-bottom:12px}
.legal-page h2{font-size:clamp(20px,2vw,24px);letter-spacing:.06em;margin:38px 0 12px;color:var(--text)}
.legal-page p{margin-bottom:14px;color:var(--soft)}
.legal-page ul{margin:0 0 16px}
.legal-page li{position:relative;padding-left:22px;margin-bottom:8px;color:var(--soft)}
.legal-page li::before{content:"";position:absolute;left:0;top:11px;width:7px;height:7px;background:var(--gold);transform:rotate(45deg)}
.legal-page strong{font-weight:500;color:var(--text)}
.legal-page a{color:var(--gold-2);border-bottom:1px solid rgba(224,187,110,.35)}
.legal-page code{background:var(--bg-3);padding:1px 6px;font-size:.92em;color:var(--text)}
.legal-page .mt{margin-top:40px}

/* ───── Jemné objevení obsahu ───── */
.reveal{opacity:0;transform:translateY(18px);transition:opacity .9s ease,transform .9s cubic-bezier(.2,.7,.2,1)}
.reveal.in{opacity:1;transform:none}
.no-js .reveal{opacity:1;transform:none}

/* ───── Responsivita ───── */
@media (max-width:1100px){
  .hero{display:flex;flex-direction:column;justify-content:flex-start;padding:0}
  .hero-bg{position:relative;left:0;height:52vh;min-height:300px;order:1}
  .hero-bg::after{background:linear-gradient(0deg,rgba(20,21,24,1) 0%,rgba(20,21,24,0) 30%),linear-gradient(180deg,rgba(20,21,24,.75) 0%,rgba(20,21,24,0) 30%)}
  .hero::before{display:none}
  .hero-in{order:2;max-width:none;padding:0 44px 90px calc(var(--rail) + 40px);margin-top:-30px}
  .hero h1{font-size:clamp(40px,8vw,84px)}
  .scroll{display:none}
  .split{grid-template-columns:1fr;gap:36px}
  .svc-intro{position:static}
  .crumbs{padding-left:4%}
  #reference .split{display:flex;flex-direction:column;gap:0}
  .ref-side{display:contents}
  .ref-head{order:1;margin-bottom:30px}
  .ref-media{order:2}
  .ref-cap{order:3;margin-top:26px}
  .ref-cap h3{min-height:0}
}
@media (max-width:860px){
  .cards{grid-template-columns:1fr}
  .top-call{display:none}
}
@media (max-width:760px){
  :root{--rail:0px}
  body{font-size:16px}
  .rail{display:none}
  .top{padding:14px 20px}
  .top.solid{padding:10px 20px}
  .brand img{width:88px}
  .top.solid .brand img{width:68px}
  .crumbs{display:none}
  .menu-btn{margin-left:auto}
  .panel{padding:100px 20px 70px;min-height:0}
  .hero{min-height:0}
  .hero{display:flex;flex-direction:column;justify-content:flex-start;padding:0}
  .hero-bg{position:relative;left:0;height:46vh;min-height:280px;order:1}
  .hero-bg img{object-position:30% 60%}
  .hero-bg::after{background:linear-gradient(0deg,rgba(20,21,24,1) 0%,rgba(20,21,24,0) 30%),linear-gradient(180deg,rgba(20,21,24,.75) 0%,rgba(20,21,24,0) 30%)}
  .hero::before{display:none}
  .hero-in{order:2;padding:0 20px 90px;margin-top:-30px;max-width:none}
  .scroll{display:none}
  .tags{font-size:13px;letter-spacing:.08em;gap:10px 12px}
  .hero .place{font-size:12px;letter-spacing:.12em}
  .card-body{padding:20px 22px 26px}
  .thumbs{grid-template-columns:repeat(6,1fr);gap:6px}
  .stage{aspect-ratio:4/3}
  .k-head{padding:28px 22px 24px}
  .k-cta{grid-template-columns:1fr}
  .k-cta a{padding:24px 22px}
  .k-cta a + a{border-left:0;border-top:1px solid var(--line)}
  .k-foot{padding:18px 22px}
  .footer{padding:22px 20px}
  .ov-foot{left:20px;right:20px}
  .lb{padding:70px 12px 30px}
  .lb-prev,.lb-next{top:auto;bottom:16px;transform:none}
  .legal-page{padding:110px 20px 70px}
}
@media (max-width:420px){
  .thumbs{grid-template-columns:repeat(3,1fr)}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation:none!important;transition:none!important}
  .hero h1 span,.reveal{opacity:1;transform:none}
  html{scroll-behavior:auto}
}