/* =========================================================================
   Základ: barevné proměnné (den i noc), reset, typografie, tlačítka, společné prvky
   ========================================================================= */

:root{
  --action:#238500; --action-hover:#1b6600;
  --teal:#0b465d; --teal2:#227798; --teal3:#e4eff3; --green:#32bb00; --green2:#238500; --green3:#46bf1a; --lime:#d5ff99; --orange:#ff793c;
  /* firemní barvy INTEGRI, Starlit, OK SOFT */ --brand-yellow:#ffed36; --brand-blue:#0088ca; --brand-navy:#0f475e; --brand-light:#eefcff;
  --bg:#ffffff; --soft:#f4f8f9; --mint:#f2fae9; --card:#ffffff; --ink:#0b465d; --text:#1d3743; --muted:#5b707b; --line:#dbe6ea; --inv:#ffffff;
  --sky1:#e8f5fa; --sky2:#ffffff; --shadow:0 24px 60px -28px rgba(11,70,93,.35);
  --iso-l:#0b465d; --iso-r:#083749; --iso-t:#2f7a94; --iso-w:#123d4d; --iso-lit:#ffe27a; --iso-roof:#32bb00; --iso-roof2:#249000;
  --iso-tree:#46bf1a; --iso-edge:#062c3b; --iso-st:#e2f3d6; --iso-sg:#cbe6bb; --iso-sl:#0b465d; --iso-sr:#083749;
}
html.night{
  --bg:#061820; --soft:#0a2229; --mint:#0a2520; --card:#0d2832; --ink:#e4f0f3; --text:#cfe0e6; --muted:#8eaab4; --line:#1c3b47; --teal3:#123543;
  --sky1:#04121a; --sky2:#0a2530; --shadow:0 24px 60px -28px rgba(0,0,0,.7);
  --iso-t:#1e5a70; --iso-w:#0e2f3c; --iso-lit:#ffd84d; --iso-roof:#1f7d00; --iso-roof2:#176200; --iso-tree:#1f6d27; --iso-st:#12342a; --iso-sg:#1b4637;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--bg);color:var(--text);font-family:"Montserrat",system-ui,sans-serif;font-size:16px;line-height:1.55;-webkit-font-smoothing:antialiased;overflow-x:hidden;transition:background-color .6s,color .6s}
h1,h2,h3,h4,.q{font-family:"Quicksand",sans-serif;color:var(--ink);letter-spacing:-.01em;margin:0}
a{color:inherit}
button{font-family:inherit}
:focus-visible{outline:3px solid var(--green);outline-offset:2px}
.w{max-width:1240px;margin:0 auto;padding:0 32px}
.sec{padding:110px 0}
.sec.soft{background:var(--soft)}
.sec.mint{background:var(--mint)}
.kick{display:inline-flex;align-items:center;gap:10px;font-weight:700;font-size:13px;letter-spacing:.12em;text-transform:uppercase;color:var(--green2)}
html.night .kick{color:var(--green3)}
.kick:before{content:"";width:22px;height:3px;border-radius:2px;background:var(--green)}
.h2{font-size:clamp(32px,3.8vw,50px);line-height:1.08;font-weight:700;margin-top:14px}
.lead{font-size:18px;line-height:1.65;color:var(--muted);margin:16px 0 0;max-width:620px}
.head{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:end;margin-bottom:52px}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:10px;min-height:50px;padding:0 24px;border-radius:12px;font-weight:600;font-size:15px;text-decoration:none;border:2px solid transparent;cursor:pointer;white-space:nowrap;transition:background .2s,border-color .2s,color .2s,transform .2s}
.btn:hover{transform:translateY(-2px)}
.btn.g{background:var(--action);color:#fff}.btn.g:hover{background:var(--action-hover)}
.btn.t{background:var(--teal);color:#fff}.btn.t:hover{background:#08384b}
html.night .btn.t{background:#e4f0f3;color:#0b465d}
.btn.o{border-color:var(--green);color:var(--ink);background:transparent}.btn.o:hover{background:var(--mint)}
.btn.wo{border-color:rgba(255,255,255,.4);color:#fff}.btn.wo:hover{border-color:#fff}
.btn .ar{transition:transform .2s}.btn:hover .ar{transform:translateX(3px)}
.tag{display:inline-flex;align-items:center;gap:6px;padding:5px 12px;border-radius:999px;font-size:12px;font-weight:700;background:var(--mint);color:var(--green2)}
html.night .tag{color:var(--lime)}
.tag.t{background:var(--teal3);color:var(--teal2)}
html.night .tag.t{color:#8fd3ef}
/* přepnutí den/noc kruhem (js/night.js): bez plynulých přebarvení během přechodu, okna a hvězdy se rozsvěcují dál */
::view-transition-old(root),::view-transition-new(root){animation:none;mix-blend-mode:normal}
::view-transition-new(root){z-index:2}
html.nt-vt *:not(.star):not(.iw){transition:none!important}
.todo{background:#fff6c9;border:1px dashed #c9a400;border-radius:4px;padding:0 5px;color:#6b5300;font-size:.9em;font-weight:600}
.nw{white-space:nowrap}
/* ikona telefonu (jednoduché plné sluchátko, čitelné i zmenšené) */
.ic-tel{width:1.1em;height:1.1em;fill:currentColor;vertical-align:-.18em;flex-shrink:0}