:root{
  --bg:#0f1419;
  --text:#f9fafb;
  --muted:#9ca3af;
  --line:#374151;
  --soft:#1f2937;
  --soft2:#1a1f2e;
  --accent:#3b82f6;
  --accent2:#2563eb;
  --card:#1f2937;
  --shadow: 0 10px 30px rgba(0,0,0,.4);
  --radius:16px;
  --max:1080px;
}

@media (prefers-color-scheme: light){
  :root{
    --bg:#ffffff;
    --text:#111827;
    --muted:#6b7280;
    --line:#e5e7eb;
    --soft:#f7f7f8;
    --soft2:#fbfbfc;
    --accent:#1f4b99;
    --accent2:#0f2f6b;
    --card:#ffffff;
    --shadow: 0 10px 30px rgba(0,0,0,.08);
  }
}

*{ box-sizing:border-box; }

html{
  scroll-behavior:smooth;
  scroll-padding-top: 84px;
  -webkit-text-size-adjust: 100%;
}

body{
  margin:0;
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, Arial, "Noto Sans", "Liberation Sans", sans-serif;
  color:var(--text);
  background:var(--bg);
  line-height:1.55;
  text-rendering: optimizeLegibility;
  padding-inline-start: env(safe-area-inset-left);
  padding-inline-end: env(safe-area-inset-right);
}

img{ max-width:100%; height:auto; }

a{ color:var(--accent); text-decoration:none; }
a:hover{ color:var(--accent2); text-decoration:underline; }

a:focus-visible,
button:focus-visible{
  outline:3px solid rgba(59,130,246,.5);
  outline-offset:3px;
  border-radius:10px;
}

.container{
  width:min(var(--max), calc(100% - 40px));
  margin:0 auto;
}

/* Skip link */
.skip-link{
  position:absolute;
  left:-9999px;
  top:auto;
  width:1px;
  height:1px;
  overflow:hidden;
}
.skip-link:focus{
  inset-inline-start:20px;
  inset-block-start:20px;
  width:auto;
  height:auto;
  padding:10px 12px;
  background:var(--bg);
  border:1px solid var(--line);
  border-radius:10px;
  box-shadow:var(--shadow);
  z-index:999;
}

/* Header */
.header{
  position:sticky;
  top:0;
  background:rgba(15,20,25,.92);
  border-bottom:1px solid var(--line);
  z-index:20;
  box-shadow: 0 1px 0 rgba(0,0,0,.3);
}
@supports (backdrop-filter: blur(10px)){
  .header{
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    background:rgba(15,20,25,.85);
    box-shadow: none;
  }
}

.header__inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  padding:14px 0;
}

.brand{ display:flex; align-items:center; gap:10px; }
.brand:hover{ text-decoration:none; }
.brand__name{
  font-weight:700;
  letter-spacing:.2px;
}

.nav{
  display:flex;
  gap:16px;
  flex-wrap:wrap;
}
.nav a{
  color:var(--text);
  padding:8px 10px;
  border-radius:10px;
}
.nav a:hover{
  background:var(--soft);
  text-decoration:none;
}
.nav a:focus-visible{
  outline:3px solid rgba(59,130,246,.5);
  outline-offset:3px;
}

/* Hero */
.hero{ padding:44px 0 26px; }
.hero__grid{
  display:grid;
  grid-template-columns: 1.2fr .8fr;
  gap:24px;
  align-items:start;
}
.hero h1{
  margin:0 0 10px;
  font-size: clamp(30px, 4vw, 44px);
  line-height:1.1;
}
.lead{
  font-size:18px;
  color:var(--text);
  margin:0 0 10px;
}
.hero p{ margin:0 0 12px; }

/* Buttons / CTA */
.cta{
  display:flex;
  gap:12px;
  flex-wrap:wrap;
  margin:16px 0 12px;
}
.cta--small{ margin-top:14px; }

.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  padding:11px 14px;
  border-radius:12px;
  border:1px solid var(--line);
  background:var(--card);
  color:var(--text);
  font-weight:600;
  cursor:pointer;
  transition:background-color 0.2s ease, color 0.2s ease;
}
.btn:hover{ background:var(--soft); text-decoration:none; }

.btn--primary{
  background:var(--accent);
  color:#fff;
  border-color:transparent;
}
.btn--primary:hover{
  background:var(--accent2);
  color:#fff;
}
.btn--ghost{ background:var(--card); }

.quick{
  list-style:none;
  padding:0;
  margin:10px 0 0;
  color:var(--muted);
}
.quick li{ margin:6px 0; }

/* Sections */
.section{
  padding:34px 0;
  border-top:1px solid var(--line);
}
.section--alt{
  background:linear-gradient(180deg, var(--soft2), var(--soft));
}
.section h2{
  margin:0 0 12px;
  font-size: clamp(22px, 3vw, 30px);
}
.section h3{
  margin:18px 0 8px;
  font-size:18px;
}

.content p{ max-width:74ch; }
.content ul{ max-width:74ch; }

/* Cards */
.cards{
  display:grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap:14px;
  margin-top:14px;
}
.card{
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--radius);
  padding:16px;
  box-shadow: 0 1px 0 rgba(0,0,0,.2);
}
.card h3{ margin-top:0; }
.card ul{
  margin:10px 0 0;
  padding-left:18px;
}
.card li{ margin:8px 0; }

.note{
  margin-top:14px;
  border-inline-start:4px solid var(--accent);
  background:var(--card);
  padding:14px 14px 14px 16px;
  border-radius:12px;
  border:1px solid var(--line);
}

/* Photo card */
.card--photo{
  padding:0;
  overflow:hidden;
  box-shadow:var(--shadow);
}
.card--photo img{
  width:100%;
  height:auto;
  display:block;
}
.photo__caption{
  padding:10px 12px;
  color:var(--muted);
  font-size:14px;
  border-top:1px solid var(--line);
  background:var(--card);
}

/* Quote */
.quote{
  margin-top:14px;
  padding:14px 16px;
  border:1px dashed var(--line);
  border-radius:14px;
  background:var(--card);
  max-width:74ch;
}
.quote p{ margin:0; color:var(--text); }

/* Contact */
.contact{
  display:grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap:14px;
  margin-top:14px;
}
.contact__card{
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--radius);
  padding:16px;
  box-shadow: 0 1px 0 rgba(0,0,0,.2);
}
.contact__line{ margin:10px 0; }
.muted{ color:var(--muted); margin:10px 0 0; }

/* Media grid */
.media-grid{
  display:grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap:14px;
  margin-top:14px;
}

.media-item{
  display:block;
  padding:14px;
  border:1px solid var(--line);
  border-radius:var(--radius);
  background:var(--card);
  box-shadow: 0 1px 0 rgba(0,0,0,.2);
  text-decoration:none;
  color:inherit;
}

.media-item:hover{
  background:var(--soft);
  text-decoration:none;
}

.media-item__title{
  font-weight:700;
  margin:6px 0 6px;
  color:var(--text);
}

.media-item__desc{
  color:var(--muted);
  font-size:14px;
  line-height:1.45;
}

/* Badge */
.media-badge{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  padding:4px 10px;
  border-radius:999px;
  border:1px solid var(--line);
  font-size:12px;
  font-weight:700;
  color:var(--text);
  background:var(--soft2);
  margin-bottom:10px;
}

/* Varianty – pouze tv a video mají odlišné pozadí */
.media-badge--tv,
.media-badge--video{ background:var(--soft); }

/* Footer */
.footer{
  border-top:1px solid var(--line);
  padding:20px 0;
  background:var(--bg);
}
.footer__inner{
  display:flex;
  justify-content:space-between;
  align-items:center;
  gap:12px;
  flex-wrap:wrap;
}
.footer__small{ color:var(--muted); font-size:13px; }

/* Responsive */
@media (max-width: 920px){
  html{ scroll-padding-top: 96px; }
  .hero{ padding:32px 0 18px; }
  .hero__grid{ grid-template-columns: 1fr; }
  .cards{ grid-template-columns: 1fr; }
  .contact{ grid-template-columns: 1fr; }
  .media-grid{ grid-template-columns: 1fr; }
}

/* Reduced motion */
@media (prefers-reduced-motion: reduce){
  html{ scroll-behavior:auto; }
}