/* Úvodná stránka používa typografiu a farebné tokeny prehľadu limitov. */
:root{
  --paper:#F3F5F6;--surface:#FFFFFF;--raised:#F7F9F9;--ink:#14212B;--muted:#55646E;--line:#D6DDE1;--line-strong:#B5C1C7;
  --accent:#1F3F8F;--accent-ink:#FFFFFF;--k-three:#22847A;--k-pub:#D8942A;--k-eu:#24418F;--k-out:#C5CFCB;
  --font-display:'Archivo','Arial Narrow',system-ui,sans-serif;
  --font-body:'IBM Plex Sans',system-ui,-apple-system,'Segoe UI',sans-serif;
  --font-mono:'IBM Plex Mono',ui-monospace,'SF Mono',Menlo,Consolas,monospace;
}
@media (prefers-color-scheme:dark){
  :root:not([data-theme="light"]){
    --paper:#0E1519;--surface:#151F25;--raised:#1A262D;--ink:#E3E9EC;--muted:#9AA9B2;--line:#26333B;--line-strong:#3B4A53;
    --accent:#8FA8F0;--accent-ink:#0E1519;--k-three:#3DB2A2;--k-pub:#EAAE4D;--k-eu:#7F9CEE;--k-out:#3A4743;color-scheme:dark;
  }
}
:root[data-theme="dark"]{
  --paper:#0E1519;--surface:#151F25;--raised:#1A262D;--ink:#E3E9EC;--muted:#9AA9B2;--line:#26333B;--line-strong:#3B4A53;
  --accent:#8FA8F0;--accent-ink:#0E1519;--k-three:#3DB2A2;--k-pub:#EAAE4D;--k-eu:#7F9CEE;--k-out:#3A4743;color-scheme:dark;
}
*{box-sizing:border-box}
body{background:var(--paper);color:var(--ink);font-family:var(--font-body);font-size:16px;line-height:1.6;-webkit-font-smoothing:antialiased}
.wrap{max-width:1120px;margin:0 auto;padding-left:max(16px,env(safe-area-inset-left,0px));padding-right:max(16px,env(safe-area-inset-right,0px))}
a{color:var(--accent)}
:focus-visible{outline:2px solid var(--accent);outline-offset:4px;border-radius:4px}
h1,h2,p{margin:0}
h1,h2{font-family:var(--font-display);text-wrap:balance}
.uvod{padding-top:clamp(36px,7vw,88px);padding-bottom:48px}
.uvod h1{max-width:18ch;font-size:clamp(2.35rem,6.5vw,4.6rem);font-weight:800;font-stretch:78%;line-height:1.04;letter-spacing:-.025em}
.uvod h1 span{color:var(--accent)}
.uvod-popis{max-width:66ch;margin-top:24px;font-size:clamp(1.02rem,1.6vw,1.15rem)}
.uvod-karty{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px;margin-top:42px}
.uvod-karta{display:flex;flex-direction:column;gap:22px;min-width:0;padding:clamp(22px,3vw,34px);border:1px solid var(--line);border-radius:14px;background:var(--surface);color:var(--ink);text-decoration:none}
.uvod-karta:hover{border-color:var(--accent)}
.uvod-stav{font-family:var(--font-mono);font-size:.75rem;color:var(--muted);letter-spacing:.02em}
.uvod-karta h2{font-size:clamp(1.6rem,3vw,2.15rem);font-weight:760;font-stretch:88%;line-height:1.15}
.uvod-karta p{margin-top:12px;color:var(--muted);font-size:.98rem;max-width:44ch}
.uvod-grafika{width:100%;height:62px;overflow:visible}
.uvod-vstup{display:flex;justify-content:space-between;align-items:center;gap:16px;margin-top:auto;padding-top:18px;border-top:1px solid var(--line);color:var(--accent);font-size:.9rem;font-weight:600}
.uvod-vstup svg{width:22px;height:22px;fill:none;stroke:currentColor;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round}
.footer{border-top:1px solid var(--line);padding-block:28px 40px;color:var(--muted);font-size:.84rem}
@media (max-width:760px){.uvod-karty{grid-template-columns:1fr;gap:16px;margin-top:30px}.uvod{padding-bottom:32px}.uvod-karta{gap:18px}}
@media (prefers-reduced-motion:no-preference){.uvod-karta{transition:border-color .15s}}