/* =========================================================
   Koncertní portfolio — styl
   Tmavé, tiché rozhraní. Fotka je hlavní hrdina.
   ========================================================= */

:root{
  --ink:#0B0B0C;          /* pozadí */
  --paper:#F3F1EE;        /* text */
  --muted:#9C9890;        /* sekundární text (kontrast 5.6:1 na pozadí) */
  --accent:#C8A46A;       /* jantarový akcent */
  --line:rgba(243,241,238,.14);

  --serif:"Newsreader","Iowan Old Style",Palatino,Georgia,"Times New Roman",serif;
  --sans:"Inter",ui-sans-serif,-apple-system,"Segoe UI",Helvetica,Arial,sans-serif;

  --pad:clamp(20px,4vw,46px);
  --gap:14px;
}

*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  background:var(--ink);
  color:var(--paper);
  font-family:var(--sans);
  font-size:15px;
  line-height:1.65;
  -webkit-font-smoothing:antialiased;
}
body.lb-otevreno{overflow:hidden}
img{display:block;max-width:100%;height:auto}
a{color:inherit}
h1,h2,h3{font-family:var(--serif);font-weight:400;letter-spacing:-.015em}

/* jednotný focus stav pro klávesnici */
:focus-visible{outline:2px solid var(--accent);outline-offset:3px;border-radius:2px}

/* přeskočení navigace */
.skip{
  position:absolute;left:-9999px;top:0;z-index:200;
  background:var(--ink);color:var(--paper);padding:12px 18px;
  border:1px solid var(--accent);text-decoration:none;
  font-size:12px;letter-spacing:.16em;text-transform:uppercase;
}
.skip:focus{left:var(--pad);top:12px}

/* ---------- hlavička ---------- */
.site-nav{
  display:flex;align-items:center;justify-content:space-between;
  padding:22px var(--pad);position:relative;z-index:20;
}
.site-nav.over{position:absolute;top:0;left:0;right:0}
.brand{font-family:var(--serif);font-size:16px;letter-spacing:.03em;text-decoration:none}
.brand span{color:var(--muted)}
.menu{display:flex;gap:26px;font-size:11px;letter-spacing:.19em;text-transform:uppercase;color:var(--paper)}
.menu a{text-decoration:none;padding-bottom:3px;border-bottom:1px solid transparent;transition:border-color .3s}
.menu a:hover,.menu a[aria-current="page"]{border-color:var(--accent)}

.burger{display:none;background:none;border:0;padding:8px;cursor:pointer}
.burger i{display:block;width:20px;height:1px;background:var(--paper);margin:5px 0;transition:transform .3s,opacity .3s}
.burger.open i:nth-child(1){transform:translateY(6px) rotate(45deg)}
.burger.open i:nth-child(2){opacity:0}
.burger.open i:nth-child(3){transform:translateY(-6px) rotate(-45deg)}

/* ---------- hero ---------- */
.hero{position:relative;height:100vh;height:100svh;min-height:460px;overflow:hidden}
.hero .media{position:absolute;inset:0}
.hero .media img,.hero .media .ph{width:100%;height:100%;object-fit:cover}
.hero .media .hero-ph{aspect-ratio:auto}
.hero::after{
  content:"";position:absolute;inset:0;z-index:1;pointer-events:none;
  background:linear-gradient(to top,rgba(11,11,12,.94) 0%,rgba(11,11,12,.15) 45%,rgba(11,11,12,.6) 100%);
}
.hero-txt{position:absolute;left:var(--pad);right:var(--pad);bottom:clamp(34px,7vh,64px);z-index:3}
.hero-txt h1{font-size:clamp(32px,6vw,68px);line-height:1.02;letter-spacing:-.02em;margin:0 0 14px;max-width:16ch}
.hero-txt .sub{margin:0;font-size:12px;letter-spacing:.24em;text-transform:uppercase;color:rgba(243,241,238,.78)}
.scroll-cue{
  position:absolute;right:var(--pad);bottom:clamp(36px,7vh,66px);z-index:3;
  font-size:10px;letter-spacing:.2em;text-transform:uppercase;color:rgba(243,241,238,.72);
  display:flex;align-items:center;gap:10px;text-decoration:none;
}
.scroll-cue i{display:block;width:38px;height:1px;background:rgba(243,241,238,.45)}

/* ---------- obecné bloky ---------- */
.page{padding:clamp(30px,6vh,60px) var(--pad) 70px}
.page-head{border-bottom:1px solid var(--line);padding-bottom:16px;margin-bottom:28px;
  display:flex;align-items:baseline;justify-content:space-between;gap:20px;flex-wrap:wrap}
.page-head h1,.page-head h2{font-size:clamp(20px,3vw,26px);margin:0}
.kicker{font-size:11px;letter-spacing:.22em;text-transform:uppercase;color:var(--accent);margin:0 0 12px}
.lead{color:rgba(243,241,238,.82);max-width:62ch}
.lead a{color:var(--paper)}

/* ---------- filtry ---------- */
.filters{display:flex;gap:22px;flex-wrap:wrap}
.filters button{
  background:none;border:0;padding:0 0 4px;cursor:pointer;
  font:inherit;font-size:11px;letter-spacing:.18em;text-transform:uppercase;
  color:var(--muted);border-bottom:1px solid transparent;transition:color .3s,border-color .3s;
}
.filters button:hover{color:var(--paper)}
.filters button.on{color:var(--paper);border-color:var(--accent)}

/* ---------- mřížka ---------- */
.grid{columns:3;column-gap:var(--gap)}
.grid .cell{
  break-inside:avoid;margin:0 0 var(--gap);position:relative;cursor:pointer;
  display:block;width:100%;padding:0;border:0;background:none;text-align:left;
  font:inherit;color:inherit;
}
.grid .cell img,.grid .cell .ph{width:100%;transition:opacity .4s ease}
.grid .cell:hover img,.grid .cell:hover .ph,
.grid .cell:focus-visible img,.grid .cell:focus-visible .ph{opacity:.7}
.grid .cell .meta{
  position:absolute;left:12px;right:12px;bottom:11px;z-index:3;
  font-size:10px;letter-spacing:.16em;text-transform:uppercase;color:var(--paper);
  opacity:0;transition:opacity .3s ease;pointer-events:none;
  text-shadow:0 1px 6px rgba(0,0,0,.8);
}
.grid .cell:hover .meta,.grid .cell:focus-visible .meta{opacity:1}

/* ---------- karty sérií ---------- */
.serie-list{display:grid;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:clamp(18px,3vw,32px)}
.serie-card{text-decoration:none;display:block}
.serie-card .wrap-img{display:block;overflow:hidden;position:relative}
.serie-card img,.serie-card .ph{width:100%;aspect-ratio:4/3;object-fit:cover;transition:opacity .4s ease}
.serie-card:hover img,.serie-card:hover .ph{opacity:.72}
.serie-card h2,.serie-card h3{font-size:20px;margin:14px 0 4px;font-weight:400}
[hidden]{display:none !important}
.serie-card .d{display:block;font-size:11px;letter-spacing:.16em;text-transform:uppercase;color:var(--muted)}
.serie-card .d.misto{color:rgba(243,241,238,.72);margin-bottom:2px}

/* ---------- přehled alb (série jako nadpis, pod ní alba) ---------- */
.alba-prehled{display:block}
.serie-blok{margin:0 0 clamp(38px,6vw,64px)}
.serie-blok:last-child{margin-bottom:0}
.serie-blok-head{display:flex;align-items:baseline;justify-content:space-between;gap:20px;
  flex-wrap:wrap;border-bottom:1px solid var(--line);padding-bottom:12px;margin-bottom:22px}
.serie-blok-head h2{font-size:clamp(18px,2.4vw,22px);margin:0;font-weight:400}
.serie-blok-head h2 a{color:inherit;text-decoration:none;border-bottom:1px solid transparent;
  padding-bottom:2px;transition:border-color .3s}
.serie-blok-head h2 a:hover{border-color:var(--accent)}
.serie-blok-head .d{font-size:11px;letter-spacing:.16em;text-transform:uppercase;color:var(--muted)}
.kicker.odsazeny{margin-top:clamp(28px,5vw,44px)}

/* ---------- detail série ---------- */
.serie-hero img,.serie-hero .ph{width:100%;aspect-ratio:21/9;object-fit:cover}
.serie-intro{display:grid;grid-template-columns:1.4fr 1fr;gap:clamp(24px,5vw,48px);
  padding-bottom:32px;border-bottom:1px solid var(--line);margin-bottom:34px}
.serie-intro h1{font-size:clamp(26px,4vw,40px);margin:0 0 16px;max-width:20ch}
.facts{margin:0;display:grid;grid-template-columns:auto 1fr;gap:4px 14px;
  font-size:11px;letter-spacing:.14em;text-transform:uppercase}
.facts dt{color:var(--muted)}
.facts dd{margin:0;color:rgba(243,241,238,.88)}
.zpet{padding-top:0}
.zpet-odkaz{font-size:11px;letter-spacing:.18em;text-transform:uppercase;color:var(--muted);
  text-decoration:none;border-bottom:1px solid var(--line);padding-bottom:4px;transition:color .3s,border-color .3s}
.zpet-odkaz:hover{color:var(--paper);border-color:var(--accent)}

/* ---------- o mně / kontakt ---------- */
.about{display:grid;grid-template-columns:1fr 1.3fr;gap:clamp(26px,5vw,52px);align-items:start}
.about .portrait img,.about .portrait .ph{width:100%;aspect-ratio:4/5;object-fit:cover}
.about h1{font-size:clamp(24px,3.4vw,32px);margin:0 0 18px}
.about p{color:rgba(243,241,238,.82);margin:0 0 16px;max-width:56ch}
.meta-list{margin:26px 0 0;display:grid;grid-template-columns:auto 1fr;gap:4px 14px;
  font-size:11px;letter-spacing:.15em;text-transform:uppercase}
.meta-list dt{color:var(--muted)}
.meta-list dd{margin:0;color:rgba(243,241,238,.88)}

.contact{border-top:1px solid var(--line);margin-top:56px;padding-top:34px;
  display:grid;grid-template-columns:1fr 1fr;gap:clamp(24px,5vw,48px);align-items:end;
  scroll-margin-top:90px}
.kontakt-nadpis{font-family:var(--sans);font-size:11px;letter-spacing:.2em;text-transform:uppercase;
  color:var(--muted);margin:0 0 14px;font-weight:400}
.contact .mail{font-family:var(--serif);font-size:clamp(22px,4vw,36px);
  text-decoration:none;border-bottom:1px solid var(--line);padding-bottom:10px;
  display:inline-block;transition:border-color .3s}
.contact .mail:hover{border-color:var(--accent)}
.contact .rows{font-size:11px;letter-spacing:.16em;text-transform:uppercase;color:var(--muted)}
.contact .rows p{margin:0 0 8px}
.contact .rows a{color:rgba(243,241,238,.9);text-decoration:none;border-bottom:1px solid var(--line)}
.contact .rows a:hover{border-color:var(--accent)}

/* ---------- patička ---------- */
.site-foot{border-top:1px solid var(--line);margin:0 var(--pad);padding:18px 0 26px;
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:10px;letter-spacing:.18em;text-transform:uppercase;color:var(--muted)}

/* ---------- lightbox ---------- */
.lb{position:fixed;inset:0;z-index:100;background:rgba(6,6,8,.975);
  display:flex;flex-direction:column;padding:16px clamp(14px,3vw,34px) 20px}
.lb[hidden]{display:none}
.lb-top{display:flex;justify-content:space-between;align-items:center;
  font-size:11px;letter-spacing:.18em;text-transform:uppercase;color:var(--muted)}
.lb-top button{background:none;border:0;color:var(--muted);font:inherit;
  letter-spacing:.18em;text-transform:uppercase;cursor:pointer;padding:8px}
.lb-top button:hover{color:var(--paper)}
.lb-body{flex:1;display:flex;align-items:center;gap:clamp(10px,2vw,24px);min-height:0;padding:14px 0}
.lb-media{flex:1;min-height:0;display:flex;align-items:center;justify-content:center}
.lb-media img{max-width:100%;max-height:100%;width:auto;height:auto;object-fit:contain}
.lb-media .ph{width:min(100%,900px)}
.lb .arrow{background:none;border:1px solid var(--line);color:var(--muted);
  width:42px;height:42px;flex:0 0 42px;border-radius:50%;cursor:pointer;font-size:15px;
  transition:color .3s,border-color .3s}
.lb .arrow:hover{color:var(--paper);border-color:var(--accent)}
.lb .arrow[hidden]{display:none}
.lb-foot{display:flex;justify-content:space-between;align-items:flex-end;gap:20px;flex-wrap:wrap}
.lb-foot .t{font-family:var(--serif);font-size:19px}
.lb-foot .d{font-size:11px;letter-spacing:.15em;text-transform:uppercase;color:var(--muted);margin-top:4px}

/* ---------- placeholder (dokud nejsou fotky) ---------- */
.ph{position:relative;overflow:hidden;background:#141416;display:block}
.ph::before{content:"";position:absolute;inset:0;opacity:.16;mix-blend-mode:overlay;pointer-events:none;
  background-image:url("data:image/svg+xml;utf8,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='160'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='3'/%3E%3C/filter%3E%3Crect width='160' height='160' filter='url(%23n)' opacity='0.5'/%3E%3C/svg%3E")}
.ph .ph-cap{position:absolute;left:12px;right:12px;bottom:11px;z-index:2;
  font-size:9.5px;letter-spacing:.16em;text-transform:uppercase;color:rgba(243,241,238,.78)}
.ph .ph-cap b{display:block;font-weight:400;color:var(--paper)}

.ar-34{aspect-ratio:3/4}
.ar-43{aspect-ratio:4/3}
.ar-11{aspect-ratio:1/1}
.ar-32{aspect-ratio:3/2}
.ar-45{aspect-ratio:4/5}
.ar-23{aspect-ratio:2/3}
.ar-219{aspect-ratio:21/9}

.ph.g1{background:radial-gradient(120% 90% at 22% 8%,#6B4A1E 0%,#2A1C0C 42%,#0C0B0A 78%)}
.ph.g2{background:radial-gradient(90% 80% at 75% 20%,#2B4658 0%,#16222B 48%,#0A0D10 82%)}
.ph.g3{background:linear-gradient(200deg,#3A2036 0%,#1A1020 55%,#0A070D 100%)}
.ph.g4{background:radial-gradient(70% 70% at 50% 100%,#7A3520 0%,#2B140D 45%,#0B0807 85%)}
.ph.g5{background:linear-gradient(160deg,#4A4238 0%,#2A251F 45%,#12100D 100%)}
.ph.g6{background:radial-gradient(100% 100% at 10% 90%,#1E4A3C 0%,#122720 50%,#080D0B 88%)}
.ph.g7{background:linear-gradient(140deg,#4C3A2A 0%,#2B211A 40%,#100C09 100%)}
.ph.g8{background:radial-gradient(80% 80% at 60% 30%,#4A3E6B 0%,#211C33 50%,#0A0912 86%)}
.ph.g9{background:linear-gradient(180deg,#101318 0%,#242B33 50%,#0A0C0F 100%)}

/* ---------- responzivita ---------- */
@media (max-width:1000px){
  .grid{columns:2}
  .serie-intro,.about,.contact{grid-template-columns:1fr}
}
@media (max-width:700px){
  :root{--gap:8px}
  .burger{display:block}
  .menu{
    position:absolute;top:100%;left:0;right:0;
    background:rgba(11,11,12,.98);
    flex-direction:column;gap:0;padding:0 var(--pad);
    max-height:0;overflow:hidden;transition:max-height .35s ease;
  }
  .menu.open{max-height:300px;padding:8px var(--pad) 22px;border-bottom:1px solid var(--line)}
  .menu a{padding:14px 0;border-bottom:1px solid var(--line)}
  .menu a:last-child{border-bottom:0}
  .site-nav.over{background:linear-gradient(to bottom,rgba(11,11,12,.55),transparent)}
  .hero{height:88svh}
  .scroll-cue{display:none}
  .serie-hero img,.serie-hero .ph{aspect-ratio:3/2}
  .lb .arrow{display:none}
}
@media (max-width:420px){
  .grid{columns:1}
}

@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{transition-duration:.01ms !important;animation-duration:.01ms !important}
}