:root{--teal:#0f5f61;--tmava:#0a4547;--svetly:#e3f1f0;--zluta:#FFD400;--text:#1f2a2b;--ram:#e3e7e8}
*{box-sizing:border-box}
body{margin:0;font-family:Inter,system-ui,-apple-system,"Segoe UI",Arial,sans-serif;color:var(--text);background:#fff;line-height:1.5}
a{color:var(--teal)}

/* navigace */
#nav{border-bottom:1px solid var(--ram);background:#fff;position:sticky;top:0;z-index:10}
.nav-vnitr{max-width:1100px;margin:0 auto;padding:8px 20px;display:flex;align-items:center;gap:18px;flex-wrap:wrap;justify-content:center}
.logo img{height:38px;display:block}
nav{display:flex;gap:6px;flex-wrap:wrap;justify-content:center}
nav a{text-decoration:none;color:var(--text);font-size:14px;font-weight:600;padding:10px 12px;border-bottom:2px solid transparent}
nav a:hover{color:var(--teal)}
nav a.aktivni{border-bottom-color:var(--teal);color:var(--tmava)}

/* tlačítka */
.btn{display:inline-block;padding:10px 18px;border-radius:8px;border:1.5px solid var(--teal);color:var(--teal);text-decoration:none;font-weight:600;font-size:15px;background:#fff;transition:.15s}
.btn:hover{background:var(--svetly)}
.btn.plne{background:var(--teal);color:#fff}
.btn.zluty{background:var(--zluta);border-color:var(--zluta);color:#111}
.btn.zluty:hover{filter:brightness(.93)}
.btn.maly{padding:8px 14px;font-size:14px}
.btn.velky{padding:18px 40px;font-size:22px;font-weight:700;box-shadow:0 4px 14px rgba(255,212,0,.45)}

/* obsah */
.hero{text-align:center;padding:40px 20px 10px}
.hero h1{font-size:40px;color:var(--tmava);margin:0 0 6px}
.podnadpis{margin:0 0 24px;color:#5b6a6b;font-size:17px}
.tlacitka{display:flex;gap:10px;justify-content:center;flex-wrap:wrap;margin-top:22px}
.odpocet-blok{text-align:center;padding:30px 20px 10px}
.popisek{font-size:13px;font-weight:700;letter-spacing:.03em;color:var(--tmava);margin-bottom:10px}
.odpocet{display:flex;gap:10px;justify-content:center}
.cd{width:70px;border:1px solid var(--ram);border-radius:8px;padding:8px 0;background:#fff}
.cd b{display:block;font-size:22px;color:var(--tmava)}
.cd span{font-size:10px;text-transform:uppercase;color:#6b7a7b}
.banner{display:block;max-width:720px;width:calc(100% - 40px);margin:26px auto;border-radius:12px}
h2.sekce{text-align:center;color:var(--tmava);font-size:30px;margin:40px 20px 24px}
h2.sekce::after{content:"";display:block;width:50px;height:3px;background:var(--teal);margin:10px auto 0}
.karty{display:grid;grid-template-columns:repeat(auto-fit,minmax(290px,1fr));gap:18px;max-width:1100px;margin:0 auto 40px;padding:0 20px}
.karta{border:1px solid var(--ram);border-radius:12px;padding:22px;box-shadow:0 1px 4px rgba(0,0,0,.06);background:#fff}
.karta h3{display:flex;align-items:center;gap:12px;margin:0 0 14px;font-size:18px;color:var(--tmava)}
.ikona{display:inline-flex;width:40px;height:40px;border-radius:10px;background:var(--svetly);align-items:center;justify-content:center;font-size:20px}
.karta ul,.karta ol{margin:0;padding-left:20px;font-size:14px}
.karta li{margin-bottom:8px}
footer{text-align:center;padding:26px 20px;color:#6b7a7b;font-size:13px;border-top:1px solid var(--ram)}

@media (max-width:600px){.hero h1{font-size:30px}.btn.velky{font-size:19px;padding:16px 28px}}

@media (max-width: 768px) {
  .nav-vnitr {
    gap: 8px !important;
    padding: 8px 10px !important;
  }
  .logo img {
    height: 28px !important; /* Zmenší logo */
  }
  nav a {
    font-size: 12px !important;
    padding: 6px 8px !important;
  }
  .btn.maly {
    font-size: 12px !important;
    padding: 6px 10px !important;
  }
}