/* obor.css — detail oboru
   ZUŠ Pardubice — viz CSS-ARCHITEKTURA.md. Vzhled 1:1 z předlohy. */

  /* Hudebka detail */
  .obor-detail {
    background: var(--bg);
    padding: 100px 0;
    border-top: 2px solid var(--ink);
    position: relative;
    overflow: hidden;
  }
  .obor-detail .bg-circle {
    position: absolute;
    width: 720px; height: 720px;
    border-radius: 50%;
    background: var(--obor-barva);
    top: -300px; right: -200px;
    opacity: 0.08;
    pointer-events: none;
  }
  .obor-detail-head {
    display: grid;
    grid-template-columns: 1.4fr 1fr;
    gap: 64px;
    margin-bottom: 60px;
    align-items: end;
  }
  .obor-detail h2 {
    font-size: clamp(64px, 9vw, 156px);
    line-height: 0.86;
    letter-spacing: -0.045em;
    font-weight: 700;
    color: var(--obor-barva);
  }
  .obor-detail h1 .serif,
  .obor-detail h2 .serif { color: var(--ink); font-weight: 400; }
  .obor-detail-lead {
    font-family: 'Instrument Serif', serif;
    font-style: italic;
    font-size: 22px;
    line-height: 1.4;
  }
  .obor-subnav {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
    padding: 20px 0;
    margin-bottom: 50px;
  }
  .obor-subnav a {
    background: var(--bg);
    border: 2px solid var(--ink);
    border-radius: 999px;
    padding: 10px 18px;
    font-size: 14px;
    font-weight: 500;
    transition: all .15s;
  }
  .obor-subnav a:hover { background: var(--ink); color: var(--bg); }
  .obor-subnav a.active { background: var(--obor-barva); color: var(--bg); border-color: var(--ink); }

  /* Oddělení (instruments by section) */
  .oddeleni {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 16px;
    margin-bottom: 60px;
  }
  .oddil {
    background: var(--bg);
    border: 2px solid var(--ink);
    border-radius: 18px;
    padding: 20px 22px;
    box-shadow: -4px 4px 0 var(--ink);
  }
  .oddil h5 {
    font-family: 'JetBrains Mono', monospace;
    font-size: 11px;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    margin-bottom: 10px;
    color: var(--obor-barva);
  }
  .oddil-nazev {
    font-size: 22px;
    line-height: 1.05;
    margin-bottom: 8px;
    letter-spacing: -0.02em;
  }
  .oddil-list {
    font-size: 13px;
    line-height: 1.6;
    color: rgba(31, 27, 26, 0.75);
  }
  .soubory-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
  }
  .soubor-tile {
    display: block;
    background: var(--bg);
    border: 2px solid var(--ink);
    border-radius: 18px;
    padding: 22px;
    position: relative;
    transition: transform .2s;
    box-shadow: -5px 5px 0 var(--ink);
    color: inherit;
    text-decoration: none;
  }
  .soubor-tile:hover { transform: translate(2px, -2px); box-shadow: -8px 8px 0 var(--obor-barva); }
  .soubor-tile .sb-more {
    display: inline-block;
    margin-top: 14px;
    font-family: 'JetBrains Mono', monospace;
    font-size: 11px;
    letter-spacing: 0.06em;
    color: var(--obor-barva);
    opacity: 0;
    transform: translateX(-4px);
    transition: opacity .2s, transform .2s;
  }
  .soubor-tile:hover .sb-more { opacity: 1; transform: translateX(0); }
  @media (hover: none) { .soubor-tile .sb-more { opacity: 1; transform: none; } }
  .soubor-tile .sb-num {
    font-family: 'JetBrains Mono', monospace;
    font-size: 11px;
    letter-spacing: 0.1em;
    margin-bottom: 8px;
    color: var(--obor-barva);
  }
  .soubor-tile h4 {
    font-size: 21px;
    line-height: 1.1;
    margin-bottom: 6px;
    letter-spacing: -0.02em;
  }
  .soubor-tile p { font-size: 13px; opacity: 0.7; line-height: 1.4; }
  .soubor-tile .conductor {
    font-family: 'JetBrains Mono', monospace;
    font-size: 10px;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--obor-barva);
    margin-top: 8px;
  }


/* Oborové logo v hlavičce detailu (lokální — .obor-logo jinak žije v home.css) */
.obor-detail .obor-logo { display:block; width:88px; height:88px; margin-bottom:20px; }
.obor-detail .obor-logo img { display:block; width:88px; height:88px; object-fit:contain; }

/* Oborový switcher — grafická volba sekce (loga jako navigace) */
.obor-switcher { display:flex; flex-wrap:wrap; gap:12px; margin:40px 0 56px; }
.obor-switch-item {
  display:flex; align-items:center; gap:10px; padding:10px 18px 10px 10px;
  border:2px solid var(--ink); border-radius:999px; background:var(--bg);
  font-weight:600; font-size:15px; transition:transform .15s, box-shadow .15s, background .15s;
}
.obor-switch-item img { width:46px; height:46px; object-fit:contain; display:block; }
.obor-switch-item:hover { transform:translate(2px,-2px); box-shadow:-5px 5px 0 var(--c); color:var(--ink); }
.obor-switch-item.active { background:var(--c); color:var(--bg); border-color:var(--ink); box-shadow:-5px 5px 0 var(--ink); }
@media (max-width:640px){ .obor-switch-item span{display:none;} .obor-switch-item{padding:8px;} }

/* Tlačítko Rozvrhy oboru (PDF ke stažení) */
.obor-rozvrh-btn {
  display: inline-flex; align-items: center; gap: 8px;
  margin-top: 4px; padding: 14px 24px;
  background: #fff; color: var(--ink); text-decoration: none;
  border: 2px solid var(--ink); border-radius: 999px;
  font-weight: 600; font-size: 15px;
  box-shadow: -4px 4px 0 var(--obor-barva, var(--ink));
  transition: transform .15s, box-shadow .15s;
}
.obor-rozvrh-btn:hover {
  transform: translate(2px, -2px);
  box-shadow: -6px 6px 0 var(--obor-barva, var(--ink));
  color: var(--ink);
}