/* ============================================================
   AURA — návrh homepage | FUBAH 2026
   Paleta je návrh a platí vždy. Žádná adaptace na tmavý režim.
   ============================================================ */
:root{
  color-scheme: light;

  --navy-900:#00132F;
  --navy-800:#001B45;
  --navy-700:#002A6E;
  --navy:#003DA5;
  --navy-500:#1E6BD6;
  --navy-050:#EDF2FB;

  --pozadi:#F6F7F9;
  --povrch:#FFFFFF;
  --povrch-2:#EEF1F6;
  --linka:#E0E5EE;
  --linka-2:#C9D2E0;

  --text:#0F1622;
  --text-2:#49556A;
  --text-3:#646E80;
  --na-tmave:#FFFFFF;
  --na-tmave-2:#B6C4DC;

  --signal:#C2410C;
  --signal-050:#FDF1EA;

  --pismo:'Public Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', system-ui, sans-serif;

  --v0:.8125rem; --v1:.9375rem; --v2:1.0625rem; --v3:1.25rem;
  --v4:1.625rem;  --v5:2.125rem;  --v6:2.875rem; --v7:3.75rem;

  --mezera:6.5rem;
  --max:1200px;
  --max-text:66ch;
  --radius:4px;
  --radius-l:8px;
  --stin:0 1px 3px rgba(15,22,34,.06), 0 12px 32px -16px rgba(15,22,34,.16);
}

@font-face{
  font-family:'Public Sans';
  src:url('../fonty/public-sans-latin-ext-wght-normal.woff2') format('woff2-variations');
  font-weight:100 900; font-style:normal; font-display:swap;
  unicode-range:U+0100-02BA,U+02BD-02C5,U+02C7-02CC,U+02CE-02D7,U+02DD-02FF,U+0304,U+0308,U+0329,U+1D00-1DBF,U+1E00-1E9F,U+1EF2-1EFF,U+2020,U+20A0-20AB,U+20AD-20C0,U+2113,U+2C60-2C7F,U+A720-A7FF;
}
@font-face{
  font-family:'Public Sans';
  src:url('../fonty/public-sans-latin-wght-normal.woff2') format('woff2-variations');
  font-weight:100 900; font-style:normal; font-display:swap;
  unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+0304,U+0308,U+0329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD;
}

*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;scroll-padding-top:5rem}
@media (prefers-reduced-motion: reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{animation-duration:.01ms !important;transition-duration:.01ms !important}
}
body{
  margin:0;background:var(--pozadi);color:var(--text);
  font-family:var(--pismo);font-size:var(--v2);line-height:1.6;
  font-synthesis-weight:none;-webkit-font-smoothing:antialiased;
}
img,svg{max-width:100%;display:block}
img{height:auto}

h1,h2,h3,h4{margin:0;font-weight:700;letter-spacing:-.022em;line-height:1.14}
h1{font-size:var(--v7)}
h2{font-size:var(--v6)}
h3{font-size:var(--v4)}
h4{font-size:var(--v3);letter-spacing:-.012em}
p{margin:0 0 1rem;max-width:var(--max-text)}
ul{margin:0 0 1rem;padding-left:1.15rem;max-width:var(--max-text)}
li{margin-bottom:.35rem}
a{color:var(--navy);text-underline-offset:.16em}
:focus-visible{outline:3px solid var(--navy-500);outline-offset:3px;border-radius:2px}
strong{font-weight:650}

.obal{max-width:var(--max);margin-inline:auto;padding-inline:1.5rem}
.uzky{max-width:var(--max-text)}
.nadpis-sekce{font-size:var(--v0);font-weight:700;letter-spacing:.12em;text-transform:uppercase;
  color:var(--navy);margin-bottom:1rem}
.perex{font-size:var(--v3);color:var(--text-2);line-height:1.5;max-width:60ch}

.preskocit{position:absolute;left:-9999px;top:0;background:var(--navy);color:#fff;
  padding:.75rem 1.25rem;z-index:200}
.preskocit:focus{left:0}

/* ---------- tlačítka ---------- */
.btn{display:inline-flex;align-items:center;gap:.5rem;font-size:var(--v1);font-weight:650;
  padding:.8rem 1.4rem;border-radius:var(--radius);text-decoration:none;border:1.5px solid transparent;
  transition:background .18s ease, border-color .18s ease, color .18s ease;
  min-height:44px;cursor:pointer;line-height:1.2}
.btn--hlavni{background:var(--navy);color:#fff}
.btn--hlavni:hover{background:var(--navy-700);color:#fff}
.btn--druhy{background:transparent;color:var(--navy);border-color:var(--linka-2)}
.btn--druhy:hover{border-color:var(--navy);background:var(--navy-050)}
.btn--na-tmave{background:#fff;color:var(--navy-800)}
.btn--na-tmave:hover{background:var(--navy-050);color:var(--navy-800)}
.btn--obrys-tmave{background:transparent;color:#fff;border-color:rgba(255,255,255,.45)}
.btn--obrys-tmave:hover{border-color:#fff;background:rgba(255,255,255,.1);color:#fff}
.btn svg{width:1.05em;height:1.05em;flex-shrink:0}

/* ---------- hlavička ---------- */
.hlavicka{position:sticky;top:0;z-index:100;background:rgba(255,255,255,.94);
  backdrop-filter:blur(10px);border-bottom:1px solid var(--linka)}
.hlavicka__vnitrek{display:flex;align-items:center;gap:1.5rem;min-height:4.5rem}
.logo{display:flex;align-items:center;gap:.55rem;text-decoration:none;color:var(--navy);
  font-weight:800;font-size:1.3rem;letter-spacing:-.03em;flex-shrink:0}
.logo svg{width:1.6rem;height:1.6rem}
.hlavicka nav{display:flex;gap:.15rem;margin-left:auto}
.hlavicka nav a{font-size:var(--v1);font-weight:550;color:var(--text-2);text-decoration:none;
  padding:.55rem .75rem;border-radius:var(--radius);white-space:nowrap}
.hlavicka nav a:hover{color:var(--navy);background:var(--navy-050)}
.hlavicka__akce{display:flex;align-items:center;gap:.6rem;flex-shrink:0}
.tel-odkaz{display:inline-flex;align-items:center;gap:.4rem;font-size:var(--v1);font-weight:650;
  color:var(--text);text-decoration:none;padding:.55rem .6rem;border-radius:var(--radius);
  white-space:nowrap}
.tel-odkaz:hover{color:var(--navy);background:var(--navy-050)}
.tel-odkaz svg{width:1rem;height:1rem;color:var(--navy)}
.jazyk{font-size:var(--v1);font-weight:650;color:var(--text-2);text-decoration:none;
  padding:.55rem .6rem;border-radius:var(--radius);border:1px solid var(--linka)}
.jazyk:hover{color:var(--navy);border-color:var(--navy)}

/* ---------- hero ---------- */
.hero{position:relative;background:var(--navy-900);color:var(--na-tmave);overflow:hidden;
  isolation:isolate}
.hero__obr{position:absolute;inset:0;z-index:-2}
.hero__obr img{width:100%;height:100%;object-fit:cover;object-position:60% 40%}
.hero::after{content:'';position:absolute;inset:0;z-index:-1;
  background:linear-gradient(103deg, var(--navy-900) 0%, rgba(0,19,47,.95) 40%,
             rgba(0,27,69,.78) 62%, rgba(0,42,110,.45) 100%)}
.hero__vnitrek{padding-block:5.5rem 4rem;max-width:calc(44rem + 3rem)}
.odznak{display:inline-flex;align-items:center;gap:.5rem;font-size:var(--v0);font-weight:700;
  letter-spacing:.05em;text-transform:uppercase;background:rgba(194,65,12,.18);
  border:1px solid rgba(233,124,74,.5);color:#FFC9AC;
  padding:.4rem .8rem;border-radius:999px;margin-bottom:1.6rem}
.odznak svg{width:.95rem;height:.95rem}
.hero h1{margin-bottom:1.4rem;letter-spacing:-.03em}
.hero h1 em{font-style:normal;color:#8FB6F0}
.hero__perex{font-size:var(--v3);color:var(--na-tmave-2);line-height:1.55;max-width:38rem;
  margin-bottom:2.2rem}
.hero__akce{display:flex;gap:.75rem;flex-wrap:wrap}

.cisla{border-top:1px solid rgba(255,255,255,.16);margin-top:3.5rem;padding-top:2rem;
  display:grid;grid-template-columns:repeat(4,1fr);gap:1.5rem;max-width:56rem}
.cislo__h{font-size:var(--v5);font-weight:800;letter-spacing:-.035em;line-height:1;
  font-variant-numeric:tabular-nums;margin-bottom:.35rem}
.cislo__p{font-size:var(--v1);color:var(--na-tmave-2);line-height:1.35}

/* ---------- sekce ---------- */
.sekce{padding:var(--mezera) 0}
.sekce--povrch{background:var(--povrch);border-block:1px solid var(--linka)}
.sekce__hlava{margin-bottom:3rem;max-width:62ch}
.sekce__hlava h2{margin-bottom:1rem}

/* ---------- segmenty ---------- */
.segmenty{display:grid;grid-template-columns:repeat(4,1fr);gap:1rem}
.segment{display:flex;flex-direction:column;background:var(--povrch);border:1px solid var(--linka);
  border-radius:var(--radius-l);padding:1.75rem;text-decoration:none;color:inherit;
  transition:border-color .18s ease, transform .18s ease, box-shadow .18s ease}
.segment:hover{border-color:var(--navy);transform:translateY(-3px);box-shadow:var(--stin);color:inherit}
.segment__ikona{width:2.5rem;height:2.5rem;color:var(--navy);margin-bottom:1.1rem}
.segment h3{font-size:var(--v3);margin-bottom:.5rem}
.segment p{font-size:var(--v1);color:var(--text-2);margin-bottom:1.1rem;flex-grow:1}
.segment__sip{font-size:var(--v1);font-weight:650;color:var(--navy);display:inline-flex;
  align-items:center;gap:.35rem}
.segment:hover .segment__sip svg{transform:translateX(3px)}
.segment__sip svg{width:1rem;height:1rem;transition:transform .18s ease}

/* ---------- důkaz NDER ---------- */
.dukaz{background:var(--navy-800);color:var(--na-tmave);border-radius:var(--radius-l);
  padding:3.25rem;display:grid;grid-template-columns:1.25fr 1fr;gap:3rem;align-items:center}
.dukaz h2{font-size:var(--v5);margin-bottom:1.1rem}
.dukaz p{color:var(--na-tmave-2);max-width:48ch}
.dukaz__zdroj{font-size:var(--v0);color:#8FA4C6;margin-top:1.5rem;margin-bottom:0}
.dukaz__panel{background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.14);
  border-radius:var(--radius);padding:1.75rem}
.dukaz__radek{display:flex;justify-content:space-between;gap:1rem;padding:.7rem 0;
  border-bottom:1px solid rgba(255,255,255,.1);font-size:var(--v1)}
.dukaz__radek:last-child{border-bottom:0;padding-bottom:0}
.dukaz__radek:first-child{padding-top:0}
.dukaz__radek span{color:var(--na-tmave-2)}
.dukaz__radek b{font-weight:700;text-align:right}

/* ---------- produkty ---------- */
.produkty{display:grid;grid-template-columns:repeat(3,1fr);gap:1rem}
.produkt{display:flex;flex-direction:column;background:var(--povrch);border:1px solid var(--linka);
  border-radius:var(--radius-l);padding:1.75rem;text-decoration:none;color:inherit;
  transition:border-color .18s ease, box-shadow .18s ease}
.produkt:hover{border-color:var(--navy);box-shadow:var(--stin);color:inherit}
.produkt__stitek{font-size:.6875rem;font-weight:700;letter-spacing:.07em;text-transform:uppercase;
  color:var(--navy);background:var(--navy-050);padding:.22rem .55rem;border-radius:3px;
  align-self:flex-start;margin-bottom:1rem}
.produkt__stitek--prvni{color:var(--signal);background:var(--signal-050)}
.produkt h3{font-size:var(--v3);margin-bottom:.5rem}
.produkt__co{font-size:var(--v0);font-weight:650;color:var(--text-3);text-transform:uppercase;
  letter-spacing:.05em;margin-bottom:.75rem}
.produkt p{font-size:var(--v1);color:var(--text-2);flex-grow:1;margin-bottom:1.1rem}
.produkt__meta{font-size:var(--v0);color:var(--text-3);border-top:1px solid var(--linka);
  padding-top:.9rem;display:flex;justify-content:space-between;gap:1rem;align-items:center}
.produkt__meta b{color:var(--navy);font-weight:650}

/* ---------- ukázka produktu ---------- */
.ukazka{display:grid;grid-template-columns:1fr 1.15fr;gap:3.5rem;align-items:center}
.ukazka h2{margin-bottom:1.25rem}
.ukazka__obr{border-radius:var(--radius-l);overflow:hidden;border:1px solid var(--linka);
  box-shadow:var(--stin)}
.ukazka__obr img{width:100%}
.seznam-odrazek{list-style:none;padding:0;margin:1.5rem 0 2rem}
.seznam-odrazek li{display:flex;gap:.7rem;margin-bottom:.8rem;font-size:var(--v2);color:var(--text-2)}
.seznam-odrazek svg{width:1.25rem;height:1.25rem;color:var(--navy);flex-shrink:0;margin-top:.22rem}
.seznam-odrazek b{color:var(--text);font-weight:650}

/* ---------- reference ---------- */
.reference{display:grid;grid-template-columns:repeat(2,1fr);gap:1rem}
.citace{background:var(--povrch);border:1px solid var(--linka);border-radius:var(--radius-l);
  padding:2rem;display:flex;flex-direction:column}
.citace__text{font-size:var(--v3);line-height:1.5;margin-bottom:1.5rem;flex-grow:1;max-width:none}
.citace__original{font-size:var(--v0);color:var(--text-3);font-style:italic;margin-bottom:1.5rem;
  padding-left:1rem;border-left:2px solid var(--linka);max-width:none}
.citace__kdo{display:flex;align-items:center;gap:.9rem;border-top:1px solid var(--linka);
  padding-top:1.25rem}
.vlajka{width:2.25rem;height:2.25rem;border-radius:50%;flex-shrink:0;border:1px solid var(--linka);
  display:grid;place-items:center;font-size:1.25rem;background:var(--povrch-2)}
.citace__kdo b{display:block;font-size:var(--v1);font-weight:700}
.citace__kdo span{display:block;font-size:var(--v0);color:var(--text-2);line-height:1.35}

/* ---------- novinky ---------- */
.novinky{display:grid;grid-template-columns:repeat(3,1fr);gap:1.25rem}
.novinka{background:var(--povrch);border:1px solid var(--linka);border-radius:var(--radius-l);
  overflow:hidden;display:flex;flex-direction:column;text-decoration:none;color:inherit;
  transition:border-color .18s ease, box-shadow .18s ease}
.novinka:hover{border-color:var(--navy);box-shadow:var(--stin);color:inherit}
.novinka__obr{aspect-ratio:16/9;overflow:hidden;background:var(--povrch-2)}
.novinka__obr img{width:100%;height:100%;object-fit:cover}
.novinka__telo{padding:1.4rem;display:flex;flex-direction:column;flex-grow:1}
.novinka__datum{font-size:var(--v0);color:var(--text-3);margin-bottom:.5rem;
  display:flex;gap:.6rem;align-items:center}
.novinka__datum em{font-style:normal;color:var(--navy);font-weight:650}
.novinka h3{font-size:var(--v2);line-height:1.3;margin-bottom:.6rem}
.novinka p{font-size:var(--v1);color:var(--text-2);margin-bottom:0}

/* ---------- závěrečné CTA ---------- */
.zaver{background:var(--navy);color:#fff;border-radius:var(--radius-l);padding:3.25rem;
  text-align:center}
.zaver h2{font-size:var(--v5);margin-bottom:1rem}
.zaver>p{color:#C9DAF5;max-width:52ch;margin-inline:auto;margin-bottom:2.5rem;font-size:var(--v3)}
.kroky{display:grid;grid-template-columns:repeat(3,1fr);gap:1rem;text-align:left}
.krok{background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.18);
  border-radius:var(--radius);padding:1.5rem;display:flex;flex-direction:column;
  text-decoration:none;color:#fff;transition:background .18s ease,border-color .18s ease}
.krok:hover{background:rgba(255,255,255,.14);border-color:rgba(255,255,255,.4);color:#fff}
.krok__uroven{font-size:.6875rem;font-weight:700;letter-spacing:.07em;text-transform:uppercase;
  color:#C3D9F8;margin-bottom:.8rem}
.krok h3{font-size:var(--v2);margin-bottom:.45rem}
.krok p{font-size:var(--v1);color:#C9DAF5;margin-bottom:1rem;flex-grow:1}
.krok__sip{font-size:var(--v1);font-weight:650;display:inline-flex;align-items:center;gap:.35rem}
.krok__sip svg{width:1rem;height:1rem}

/* ---------- patička ---------- */
.paticka{background:var(--navy-900);color:var(--na-tmave-2);padding:4rem 0 2rem;
  font-size:var(--v1)}
.paticka a{color:#fff;text-decoration:none}
.paticka a:hover{text-decoration:underline}
.paticka__mrizka{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:2.5rem;
  padding-bottom:2.5rem;border-bottom:1px solid rgba(255,255,255,.14)}
.paticka h4{color:#fff;font-size:var(--v0);text-transform:uppercase;letter-spacing:.09em;
  margin-bottom:1rem;font-weight:700}
.paticka ul{list-style:none;padding:0;margin:0}
.paticka li{margin-bottom:.55rem}
.paticka p{max-width:34ch}
.paticka__kontakt a{display:inline-flex;align-items:center;gap:.5rem;font-weight:650;
  padding:.2rem 0}
.paticka__kontakt svg{width:1rem;height:1rem;color:#8FB6F0}
.paticka__spod{display:flex;justify-content:space-between;gap:2rem;flex-wrap:wrap;
  padding-top:1.75rem;font-size:var(--v0);color:#7C8DAB}

/* ---------- pruh dema ---------- */
.demo-pruh{background:var(--signal);color:#fff;font-size:var(--v1);padding:.7rem 0;
  text-align:center;font-weight:600}
.demo-pruh a{color:#fff;font-weight:700}

/* ---------- responzivita ---------- */
@media (max-width:1040px){
  .segmenty{grid-template-columns:repeat(2,1fr)}
  .produkty,.novinky{grid-template-columns:repeat(2,1fr)}
  .dukaz,.ukazka{grid-template-columns:1fr;gap:2rem}
  .paticka__mrizka{grid-template-columns:1fr 1fr}
  .hlavicka nav{display:none}
}
@media (max-width:760px){
  :root{--mezera:3.75rem;--v7:2.25rem;--v6:1.875rem;--v5:1.5rem;--v4:1.3125rem;--v3:1.125rem}
  .hero__vnitrek{padding-block:3rem 2.5rem}
  .cisla{grid-template-columns:repeat(2,1fr);gap:1.5rem 1rem;margin-top:2.5rem}
  .segmenty,.produkty,.novinky,.reference,.kroky{grid-template-columns:1fr}
  .dukaz,.zaver{padding:2rem 1.5rem}
  .paticka__mrizka{grid-template-columns:1fr;gap:2rem}
  .hero__akce .btn{flex:1 1 100%;justify-content:center}
  .tel-odkaz span{display:none}
}