/* Fresh Technology — Rádce (články) — společný styl */
:root{
  --bg:#FAF8F4; --paper:#FFFFFF; --ink:#2E2721; --ink-soft:#5C4B3B;
  --green:#1F3529; --green-2:#2E4B3C; --green-dark:#16261D;
  --sage:#9BB4A3; --sand:#A08C79; --line:#C9BCAC; --line-soft:#EFE9E1;
  --gold:#B8863B; --mint:#E4ECE6;
}
*{box-sizing:border-box}
body{margin:0;background:var(--bg);color:var(--ink);
  font-family:'Inter',-apple-system,BlinkMacSystemFont,sans-serif;font-size:17px;line-height:1.75;
  -webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility}
img{max-width:100%;display:block}
a{color:var(--green-2)}
.wrap{max-width:760px;margin:0 auto;padding:0 24px}

/* NAV */
.nav{position:sticky;top:0;z-index:50;background:rgba(250,248,244,.92);backdrop-filter:blur(8px);border-bottom:1px solid var(--line)}
.nav .inner{max-width:1080px;margin:0 auto;padding:0 24px;height:64px;display:flex;align-items:center;gap:12px}
.brand{display:flex;align-items:center;gap:10px;text-decoration:none}
.brand span{font-weight:600;font-size:16px;letter-spacing:.02em;color:var(--ink)}
.brand span b{font-weight:400;color:var(--ink-soft)}
.nav .links{display:flex;gap:4px;margin-left:auto;align-items:center;flex-wrap:wrap}
.nav .links a{font-size:13.5px;font-weight:500;color:var(--ink-soft);text-decoration:none;padding:7px 12px;border-radius:999px}
.nav .links a:hover{background:var(--mint);color:var(--green)}
.nav .cta{color:#fff !important;background:var(--green-2);white-space:nowrap}
.nav .cta:hover{background:var(--green) !important;color:#fff !important}

/* HEADER / ARTICLE */
.arthead{background:var(--green);color:var(--bg);padding:56px 0 48px}
.crumb{font-size:13px;color:var(--sage);margin-bottom:18px}
.crumb a{color:var(--sage);text-decoration:none}
.crumb a:hover{text-decoration:underline}
.tag{display:inline-block;background:rgba(228,236,230,.14);color:#E4ECE6;font-size:12px;font-weight:600;
  letter-spacing:.06em;text-transform:uppercase;padding:5px 14px;border-radius:999px;margin-bottom:18px}
h1{font-family:'Fraunces',Georgia,serif;font-weight:500;line-height:1.12;font-size:40px;margin:0 0 16px;color:var(--bg)}
.byline{font-size:14px;color:var(--sage);display:flex;gap:16px;flex-wrap:wrap;margin-top:8px}
.byline b{color:#E4ECE6;font-weight:500}

article{padding:44px 0 8px}
article h2{font-family:'Fraunces',Georgia,serif;font-weight:500;font-size:27px;line-height:1.25;color:var(--green);margin:44px 0 12px}
article h3{font-size:19px;font-weight:600;color:var(--green);margin:28px 0 8px}
article p{margin:0 0 18px}
article ul,article ol{margin:0 0 20px;padding-left:22px}
article li{margin:0 0 8px}
article strong{font-weight:600;color:var(--ink)}

/* QUICK ANSWER */
.quick{background:var(--paper);border:1px solid var(--line);border-left:4px solid var(--gold);
  border-radius:0 12px 12px 0;padding:22px 26px;margin:8px 0 30px;font-size:17px}
.quick .lbl{display:block;font-size:12px;font-weight:600;letter-spacing:.1em;text-transform:uppercase;color:var(--sand);margin-bottom:8px}
.quick p:last-child{margin-bottom:0}

/* TABLE */
.tbl{width:100%;border-collapse:collapse;margin:8px 0 26px;font-size:15.5px}
.tbl th,.tbl td{text-align:left;padding:11px 14px;border-bottom:1px solid var(--line-soft)}
.tbl thead th{background:var(--mint);color:var(--green);font-weight:600;border-bottom:1px solid var(--line)}
.tbl tbody tr:hover{background:#FBFAF7}

/* CALLOUT / KEY NUMBER */
.keys{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin:8px 0 30px}
.key{background:var(--paper);border:1px solid var(--line);border-radius:12px;padding:18px 20px}
.key b{display:block;font-family:'Fraunces',Georgia,serif;font-size:26px;color:var(--green-2);font-weight:500;margin-bottom:2px}
.key span{font-size:13.5px;color:var(--ink-soft)}

/* FAQ */
.faq{margin:10px 0 6px}
.faq details{background:var(--paper);border:1px solid var(--line);border-radius:12px;margin-bottom:12px;overflow:hidden}
.faq summary{cursor:pointer;list-style:none;padding:18px 24px;font-weight:600;font-size:16.5px;color:var(--green);
  display:flex;justify-content:space-between;gap:16px;align-items:center}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:'+';font-family:'Fraunces',Georgia,serif;font-size:22px;color:var(--sand)}
.faq details[open] summary::after{content:'\2212'}
.faq details p{padding:0 24px 20px;margin:0;font-size:15.5px;color:var(--ink-soft)}

/* CTA */
.cta-band{background:var(--green);color:var(--bg);text-align:center;padding:56px 24px;margin-top:48px}
.cta-band h2{font-family:'Fraunces',Georgia,serif;font-weight:500;font-size:30px;color:var(--bg);margin:0 0 12px}
.cta-band p{color:#C9D6CD;max-width:520px;margin:0 auto 26px}
.callbtn{display:inline-block;font-family:'Fraunces',Georgia,serif;font-size:26px;font-weight:500;
  padding:16px 40px;border-radius:999px;background:var(--bg);color:var(--green);text-decoration:none}
.callbtn:hover{transform:translateY(-2px)}

/* RELATED */
.related{padding:44px 0}
.related h2{font-family:'Fraunces',Georgia,serif;font-weight:500;font-size:24px;color:var(--green);margin:0 0 20px}
.rgrid{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}
.rgrid a{display:block;background:var(--paper);border:1px solid var(--line);border-radius:12px;padding:20px 22px;text-decoration:none}
.rgrid a:hover{box-shadow:0 8px 26px rgba(46,39,33,.10);transform:translateY(-2px)}
.rgrid .rt{font-size:12px;font-weight:600;letter-spacing:.06em;text-transform:uppercase;color:var(--sand)}
.rgrid .rh{font-family:'Fraunces',Georgia,serif;font-size:18px;color:var(--green);margin:6px 0 0;line-height:1.3}

/* SOURCES */
.sources{border-top:1px solid var(--line);margin-top:36px;padding-top:22px;font-size:14px;color:var(--ink-soft)}
.sources h3{font-size:13px;font-weight:600;letter-spacing:.08em;text-transform:uppercase;color:var(--sand);margin:0 0 10px}
.sources a{color:var(--green-2)}
.upd{font-size:13.5px;color:var(--sand);font-style:italic;margin-top:6px}

/* FOOTER */
footer{background:var(--green-dark);color:var(--sage);padding:44px 0;font-size:14px}
footer .inner{max-width:1080px;margin:0 auto;padding:0 24px;display:flex;justify-content:space-between;gap:20px;flex-wrap:wrap}
footer a{color:#E4ECE6;text-decoration:none}

@media(max-width:900px){
  /* v navigaci necháme jen logo a tlačítko Zavolat */
  .nav .links a:not(.cta){display:none}
  .nav .cta{margin-left:auto}
}

@media(max-width:640px){
  h1{font-size:31px}
  .keys{grid-template-columns:1fr}
  .rgrid{grid-template-columns:1fr}
  article h2{font-size:23px}
  .arthead{padding:44px 0 36px}
  .wrap{padding:0 18px}
  /* tabulky se na úzkém displeji dají odscrollovat vodorovně */
  .tbl{display:block;overflow-x:auto;-webkit-overflow-scrolling:touch;white-space:nowrap}
  /* zmenšení velkého CTA tlačítka */
  .cta-band{padding:44px 18px}
  .cta-band h2{font-size:25px}
  .callbtn{font-size:22px;padding:15px 30px}
  footer .inner{gap:24px}
}