/* ===========================================================
   ZUŠ Rakúsy — Variant 3 „Editorial minimal"
   Swiss / editorial: biela plocha, tenké hairline linky,
   číslovanie sekcií, jeden akcent (sýta červená).
   =========================================================== */

:root{
  --ink:#0e0e10;        /* takmer čierna */
  --ink-2:#3a3a40;      /* sekundárny text */
  --muted:#6c6c74;      /* tlmený */
  --line:#dcdcdf;       /* hairline */
  --line-2:#ebebee;     /* jemnejšia linka */
  --paper:#ffffff;
  --paper-2:#f6f6f4;    /* veľmi jemné off-white */
  --accent:#e63027;     /* sýta červená */
  --accent-ink:#b71d16;
  --vh: var(--vswitch-h, 46px);
  --maxw:1240px;
  --gap:clamp(20px,4vw,56px);
  --ease:cubic-bezier(.22,.61,.36,1);
}

*{box-sizing:border-box;}
html{ -webkit-text-size-adjust:100%; }
body{
  margin:0;
  font-family:'Inter',system-ui,-apple-system,'Segoe UI',Roboto,Arial,sans-serif;
  color:var(--ink);
  background:var(--paper);
  font-size:17px;
  line-height:1.6;
  font-feature-settings:"ss01","cv05";
  -webkit-font-smoothing:antialiased;
}
img{display:block;max-width:100%;}
a{color:inherit;text-decoration:none;}
button{font-family:inherit;}
input,textarea,select{font-family:inherit;}
h1,h2,h3,h4{margin:0;font-weight:600;letter-spacing:-.02em;line-height:1.04;}

.wrap{max-width:var(--maxw);margin:0 auto;padding:0 clamp(20px,5vw,56px);}
.acc{color:var(--accent);}

/* ---------- HLAVIČKA ---------- */
.hdr{
  position:sticky;top:var(--vh);z-index:900;
  background:rgba(255,255,255,.86);
  backdrop-filter:saturate(180%) blur(12px);
  -webkit-backdrop-filter:saturate(180%) blur(12px);
  border-bottom:1px solid var(--line);
}
.hdr-in{
  display:flex;align-items:center;justify-content:space-between;
  height:74px;
}
.brand{display:flex;align-items:center;gap:12px;min-width:0;}
.brand img{width:40px;height:40px;border-radius:50%;flex:0 0 auto;}
.brand-tx{display:flex;flex-direction:column;line-height:1.05;}
.brand-tx b{font-size:16px;font-weight:700;letter-spacing:-.01em;}
.brand-tx span{font-size:11px;letter-spacing:.16em;text-transform:uppercase;color:var(--muted);}

.nav{display:flex;align-items:center;gap:4px;}
.nav a{
  font-size:14px;font-weight:500;color:var(--ink-2);
  padding:9px 13px;border-radius:2px;position:relative;
  transition:color .18s;
}
.nav a::after{
  content:"";position:absolute;left:13px;right:13px;bottom:4px;height:1px;
  background:var(--accent);transform:scaleX(0);transform-origin:left;
  transition:transform .25s var(--ease);
}
.nav a:hover{color:var(--ink);}
.nav a:hover::after{transform:scaleX(1);}

.burger{
  display:none;width:44px;height:44px;border:1px solid var(--line);
  background:#fff;border-radius:2px;cursor:pointer;
  position:relative;flex:0 0 auto;
}
.burger span,.burger span::before,.burger span::after{
  content:"";position:absolute;left:11px;width:22px;height:2px;background:var(--ink);
  transition:transform .25s var(--ease),opacity .2s;
}
.burger span{top:21px;}
.burger span::before{top:-7px;}
.burger span::after{top:7px;}

/* drawer (z PRAVA) */
.backdrop{
  position:fixed;inset:0;background:rgba(14,14,16,.42);
  opacity:0;pointer-events:none;transition:opacity .3s;z-index:950;
}
.backdrop.open{opacity:1;pointer-events:auto;}
.drawer{
  position:fixed;top:0;right:0;bottom:0;width:min(86vw,340px);
  background:#fff;z-index:960;
  transform:translateX(100%);transition:transform .34s var(--ease);
  pointer-events:none;display:flex;flex-direction:column;
  padding:26px 26px 40px;box-shadow:-20px 0 50px rgba(0,0,0,.16);
}
.drawer.open{transform:translateX(0);pointer-events:auto;}
.drawer-top{display:flex;align-items:center;justify-content:space-between;margin-bottom:18px;
  padding-bottom:18px;border-bottom:1px solid var(--line);}
.drawer-top b{font-size:13px;letter-spacing:.16em;text-transform:uppercase;color:var(--muted);}
.drawer-x{width:40px;height:40px;border:1px solid var(--line);background:#fff;border-radius:2px;
  font-size:20px;cursor:pointer;line-height:1;color:var(--ink);}
.drawer a{
  display:flex;align-items:baseline;gap:14px;padding:15px 2px;
  font-size:20px;font-weight:600;letter-spacing:-.01em;
  border-bottom:1px solid var(--line-2);transition:color .18s;
}
.drawer a em{font-style:normal;font-size:12px;font-weight:600;color:var(--accent);font-variant-numeric:tabular-nums;width:24px;}
.drawer a:hover{color:var(--accent);}

/* ---------- HERO ---------- */
.hero{padding:clamp(48px,9vw,108px) 0 clamp(40px,7vw,80px);border-bottom:1px solid var(--line);}
.hero-meta{
  display:flex;flex-wrap:wrap;gap:8px 18px;align-items:center;
  font-size:12px;letter-spacing:.14em;text-transform:uppercase;color:var(--muted);
  margin-bottom:clamp(22px,4vw,40px);
}
.hero-meta .tick{color:var(--accent);}
.hero h1{
  font-size:clamp(40px,8.2vw,104px);font-weight:700;letter-spacing:-.03em;line-height:.98;
  max-width:15ch;
}
.hero h1 .ln{display:block;}
.hero-lead{
  max-width:62ch;margin-top:clamp(24px,4vw,38px);
  font-size:clamp(17px,2.1vw,21px);color:var(--ink-2);line-height:1.55;
}
.hero-cta{display:flex;flex-wrap:wrap;gap:14px;margin-top:clamp(28px,4vw,42px);}
.btn{
  display:inline-flex;align-items:center;gap:10px;
  padding:15px 26px;border-radius:2px;font-size:14.5px;font-weight:600;
  letter-spacing:.01em;border:1px solid var(--ink);transition:all .2s var(--ease);
}
.btn .ar{transition:transform .25s var(--ease);}
.btn:hover .ar{transform:translateX(4px);}
.btn-fill{background:var(--accent);border-color:var(--accent);color:#fff;}
.btn-fill:hover{background:var(--accent-ink);border-color:var(--accent-ink);}
.btn-line{background:#fff;color:var(--ink);}
.btn-line:hover{background:var(--ink);color:#fff;}
.btn-ghost{border-color:var(--line);color:var(--ink-2);}
.btn-ghost:hover{border-color:var(--ink);color:var(--ink);}

/* ---------- SEKCIA — spoločné ---------- */
.section{padding:clamp(60px,9vw,118px) 0;}
.section--alt{background:var(--paper-2);}
.sec-head{
  display:flex;align-items:flex-end;justify-content:space-between;gap:24px;
  padding-bottom:clamp(26px,4vw,42px);margin-bottom:clamp(36px,5vw,58px);
  border-bottom:1px solid var(--line);
}
.sec-head .lhs{display:flex;flex-direction:column;gap:12px;min-width:0;}
.sec-num{
  font-size:12px;font-weight:600;letter-spacing:.18em;color:var(--accent);
  font-variant-numeric:tabular-nums;
}
.sec-num::before{content:"";display:inline-block;width:26px;height:1px;background:var(--accent);
  vertical-align:middle;margin-right:10px;}
.sec-title{font-size:clamp(28px,4.4vw,50px);font-weight:700;letter-spacing:-.025em;}
.sec-sub{color:var(--muted);font-size:15px;max-width:40ch;text-align:right;flex:0 0 auto;}

/* ---------- O ŠKOLE ---------- */
.about{display:grid;grid-template-columns:1.15fr .85fr;gap:clamp(34px,5vw,72px);align-items:start;}
.about p{margin:0 0 18px;color:var(--ink-2);font-size:clamp(16px,1.9vw,18.5px);line-height:1.62;}
.about p strong{color:var(--ink);font-weight:600;}
.about p:last-child{margin-bottom:0;}
.about-aside{position:sticky;top:calc(var(--vh) + 96px);}
.stats{display:grid;gap:0;border-top:1px solid var(--line);}
.stat{display:flex;align-items:baseline;gap:16px;padding:22px 0;border-bottom:1px solid var(--line);}
.stat b{font-size:clamp(34px,5vw,52px);font-weight:700;letter-spacing:-.03em;line-height:1;
  font-variant-numeric:tabular-nums;flex:0 0 auto;min-width:2.2ch;}
.stat .lab{font-size:13.5px;color:var(--muted);line-height:1.35;}
.stat .acc{color:var(--accent);}

/* ---------- ODBORY ---------- */
.fields{display:grid;grid-template-columns:repeat(4,1fr);border:1px solid var(--line);}
.field{
  padding:30px 26px 34px;border-right:1px solid var(--line);position:relative;
  transition:background .25s;display:flex;flex-direction:column;min-height:300px;
}
.field:last-child{border-right:none;}
.field:hover{background:var(--paper-2);}
.field-tag{font-size:12px;font-weight:700;letter-spacing:.12em;color:var(--accent);
  font-variant-numeric:tabular-nums;margin-bottom:auto;}
.field h3{font-size:23px;font-weight:700;letter-spacing:-.02em;margin:26px 0 12px;}
.field p{font-size:14.5px;color:var(--ink-2);line-height:1.55;margin:0;}
.field .corner{position:absolute;top:26px;right:26px;width:22px;height:22px;opacity:.18;transition:opacity .25s,transform .25s var(--ease);}
.field:hover .corner{opacity:.6;transform:translate(3px,-3px);}

/* ---------- OZNAMY ---------- */
.news{display:grid;grid-template-columns:repeat(2,1fr);gap:0;
  border-top:1px solid var(--line);}
.news-item{
  display:flex;flex-direction:column;gap:14px;padding:34px clamp(20px,3vw,40px) 36px;
  border-bottom:1px solid var(--line);position:relative;transition:background .22s;
}
.news-item:nth-child(odd){border-right:1px solid var(--line);}
.news-item:hover{background:var(--paper-2);}
.news-top{display:flex;align-items:center;justify-content:space-between;gap:14px;}
.news-date{font-size:12.5px;letter-spacing:.08em;color:var(--muted);font-variant-numeric:tabular-nums;text-transform:uppercase;}
.news-idx{font-size:12px;font-weight:700;color:var(--accent);font-variant-numeric:tabular-nums;}
.news-item h3{font-size:21px;font-weight:700;letter-spacing:-.02em;line-height:1.18;}
.news-item p{font-size:14.5px;color:var(--ink-2);line-height:1.58;margin:0;}
.news-item p strong{color:var(--ink);}

/* ---------- GALÉRIA ---------- */
.gal{display:grid;grid-template-columns:repeat(4,1fr);gap:10px;}
.gal-i{
  position:relative;overflow:hidden;cursor:pointer;background:var(--paper-2);
  border:1px solid var(--line);
}
.gal-i img{width:100%;height:100%;object-fit:cover;transition:transform .6s var(--ease),filter .4s;
  filter:grayscale(.18);}
.gal-i:hover img{transform:scale(1.05);filter:grayscale(0);}
.gal-i::after{content:"+";position:absolute;top:10px;right:12px;color:#fff;font-size:22px;font-weight:300;
  line-height:1;opacity:0;transform:translateY(-4px);transition:.25s;text-shadow:0 1px 6px rgba(0,0,0,.5);}
.gal-i:hover::after{opacity:1;transform:translateY(0);}
.gal-i.tall{grid-row:span 2;}
.gal-i.wide{grid-column:span 2;}

/* ---------- ZAMESTNANCI ---------- */
.staff{border-top:1px solid var(--line);}
.staff-row{
  display:grid;grid-template-columns:48px 1.1fr 1fr;gap:18px;align-items:baseline;
  padding:20px 0;border-bottom:1px solid var(--line);transition:padding-left .25s var(--ease),background .2s;
}
.staff-row:hover{padding-left:14px;background:var(--paper-2);}
.staff-num{font-size:12px;font-weight:700;color:var(--accent);font-variant-numeric:tabular-nums;}
.staff-name{font-size:clamp(17px,2.1vw,20px);font-weight:600;letter-spacing:-.01em;}
.staff-role{font-size:14.5px;color:var(--muted);line-height:1.4;}

/* ---------- RADA ŠKOLY ---------- */
.board{display:grid;grid-template-columns:repeat(5,1fr);border:1px solid var(--line);}
.board-c{padding:26px 20px 30px;border-right:1px solid var(--line);}
.board-c:last-child{border-right:none;}
.board-c .bn{font-size:12px;font-weight:700;color:var(--accent);font-variant-numeric:tabular-nums;display:block;margin-bottom:18px;}
.board-c b{display:block;font-size:16px;font-weight:600;letter-spacing:-.01em;margin-bottom:8px;line-height:1.2;}
.board-c span{font-size:13.5px;color:var(--muted);line-height:1.45;}

/* ---------- KONTAKT ---------- */
.contact{display:grid;grid-template-columns:1fr 1fr;gap:clamp(34px,5vw,72px);align-items:start;}
.c-block{margin-bottom:30px;}
.c-block:last-child{margin-bottom:0;}
.c-lab{font-size:12px;letter-spacing:.16em;text-transform:uppercase;color:var(--accent);
  display:block;margin-bottom:12px;}
.c-block .big{font-size:clamp(20px,2.6vw,26px);font-weight:600;letter-spacing:-.02em;line-height:1.3;}
.c-row{display:flex;flex-direction:column;gap:3px;padding:13px 0;border-bottom:1px solid var(--line-2);}
.c-row:first-of-type{border-top:1px solid var(--line-2);}
.c-row .k{font-size:13px;color:var(--muted);}
.c-row a,.c-row .v{font-size:16.5px;font-weight:500;color:var(--ink);transition:color .18s;}
.c-row a:hover{color:var(--accent);}
.c-map{margin-top:6px;}
.c-map iframe{width:100%;height:300px;border:1px solid var(--line);display:block;filter:grayscale(.35) contrast(1.02);}
.edu{display:inline-flex;align-items:center;gap:10px;margin-top:18px;padding:13px 22px;
  border:1px solid var(--ink);border-radius:2px;font-size:14.5px;font-weight:600;transition:all .2s var(--ease);}
.edu:hover{background:var(--ink);color:#fff;}
.edu .ar{transition:transform .25s var(--ease);}
.edu:hover .ar{transform:translateX(4px);}

/* ---------- FOOTER ---------- */
.ftr{background:var(--ink);color:#cfcfd6;padding:clamp(56px,8vw,84px) 0 30px;}
.ftr-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.3fr;gap:clamp(28px,4vw,52px);
  padding-bottom:clamp(40px,6vw,60px);border-bottom:1px solid rgba(255,255,255,.12);}
.ftr-brand{display:flex;align-items:center;gap:12px;margin-bottom:18px;}
.ftr-brand img{width:42px;height:42px;border-radius:50%;}
.ftr-brand b{color:#fff;font-size:17px;font-weight:700;}
.ftr p.fd{font-size:14px;line-height:1.6;max-width:36ch;color:#9a9aa3;}
.ftr h4{color:#fff;font-size:12px;letter-spacing:.16em;text-transform:uppercase;margin-bottom:18px;font-weight:600;}
.ftr ul{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:11px;}
.ftr ul a,.ftr ul li{font-size:14.5px;color:#b6b6be;transition:color .18s;}
.ftr ul a:hover{color:#fff;}
.ftr .fc{font-size:14.5px;line-height:1.5;color:#b6b6be;display:flex;flex-direction:column;gap:9px;}
.ftr .fc a:hover{color:#fff;}
.ftr-edu{display:inline-flex;align-items:center;gap:8px;color:#fff;margin-top:4px;font-weight:600;}
.ftr-bot{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:14px;
  padding-top:26px;font-size:13px;color:#85858e;}
.ftr-bot .links{display:flex;flex-wrap:wrap;gap:18px;}
.ftr-bot a:hover{color:#fff;}
.ftr-bot .mk{color:#6c6c74;}
.ftr-bot .mk a{color:#9a9aa3;}

/* ---------- LIGHTBOX ---------- */
.lb{position:fixed;inset:0;z-index:9000;background:rgba(10,10,12,.96);
  display:flex;align-items:center;justify-content:center;
  opacity:0;pointer-events:none;transition:opacity .28s;}
.lb.open{opacity:1;pointer-events:auto;}
.lb img{max-width:92vw;max-height:84vh;object-fit:contain;
  box-shadow:0 30px 80px rgba(0,0,0,.5);will-change:transform,opacity;}
.lb-btn{position:absolute;background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.22);
  color:#fff;width:52px;height:52px;border-radius:2px;font-size:22px;cursor:pointer;
  display:grid;place-items:center;transition:background .18s;}
.lb-btn:hover{background:rgba(255,255,255,.22);}
.lb-close{top:22px;right:22px;}
.lb-prev{left:22px;top:50%;transform:translateY(-50%);}
.lb-next{right:22px;top:50%;transform:translateY(-50%);}
.lb-count{position:absolute;bottom:24px;left:50%;transform:translateX(-50%);
  color:#fff;font-size:13px;letter-spacing:.1em;font-variant-numeric:tabular-nums;
  background:rgba(255,255,255,.08);padding:8px 16px;border-radius:2px;}

/* ---------- REVEAL ---------- */
[data-rev]{opacity:0;transform:translateY(22px);transition:opacity .7s var(--ease),transform .7s var(--ease);}
[data-rev].in{opacity:1;transform:none;}

/* ---------- RESPONZÍVNE ---------- */
@media (max-width:1080px){
  .fields{grid-template-columns:repeat(2,1fr);}
  .field:nth-child(2){border-right:none;}
  .field{border-bottom:1px solid var(--line);}
  .field:nth-child(3),.field:nth-child(4){border-bottom:none;}
  .board{grid-template-columns:repeat(2,1fr);}
  .board-c{border-bottom:1px solid var(--line);}
  .board-c:nth-child(2n){border-right:none;}
  .board-c:nth-child(4),.board-c:nth-child(5){border-bottom:none;}
  .gal{grid-template-columns:repeat(3,1fr);}
}
@media (max-width:860px){
  .nav{display:none;}
  .burger{display:block;}
  .about{grid-template-columns:1fr;gap:36px;}
  .about-aside{position:static;}
  .contact{grid-template-columns:1fr;gap:34px;}
  .ftr-grid{grid-template-columns:1fr 1fr;gap:34px 28px;}
  .ftr .fb{grid-column:1 / -1;}
}
@media (max-width:680px){
  body{font-size:16px;}
  .news{grid-template-columns:1fr;}
  .news-item:nth-child(odd){border-right:none;}
  .staff-row{grid-template-columns:34px 1fr;gap:6px 14px;}
  .staff-role{grid-column:2;}
  .gal{grid-template-columns:repeat(2,1fr);}
  .sec-head{flex-direction:column;align-items:flex-start;}
  .sec-sub{text-align:left;}
  .board{grid-template-columns:1fr;}
  .board-c{border-right:none;border-bottom:1px solid var(--line);}
  .board-c:last-child{border-bottom:none;}
  .lb-prev{left:12px;}.lb-next{right:12px;}
  .ftr-grid{grid-template-columns:1fr;}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important;}
  [data-rev]{opacity:1;transform:none;}
}