/* Veřejný web Frank & Vanguard — vše dle FV identity manuálu.
   Barvy: Deep Forest #0F2714 · White · Ink #0A0A0A · Stone #9AA39C · Paper #F4F5F4.
   Písmo: Outfit (Google Fonts). Motiv identity: svislý předěl + kontrast tenké × tučné. */

:root {
  --les: #0F2714;
  --les-svetly: #1B3A24;
  --les-tmavy: #081408;
  --inkoust: #0A0A0A;
  --kamen: #9AA39C;
  --papir: #F4F5F4;
  --bila: #FFFFFF;
  --linka: rgba(15, 39, 20, 0.12);
  --linka-bila: rgba(255, 255, 255, 0.16);
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: "Outfit", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: var(--inkoust);
  background: var(--bila);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; }
a { color: inherit; }

.sirka { max-width: 1120px; margin: 0 auto; padding: 0 1.4rem; }

/* ---------- hlavička ---------- */
.hlavicka {
  position: sticky; top: 0; z-index: 50;
  background: var(--les);
  border-bottom: 1px solid var(--linka-bila);
}
.hlavicka-vnitrek { display: flex; align-items: center; justify-content: space-between; gap: 1rem; height: 72px; }
.hlavicka-logo img { height: 34px; display: block; }
.menu { display: flex; align-items: center; gap: 1.6rem; }
.menu a {
  color: rgba(255, 255, 255, 0.82); text-decoration: none;
  font-size: 0.92rem; font-weight: 400; letter-spacing: 0.02em;
  padding: 0.3rem 0; border-bottom: 2px solid transparent;
}
.menu a:hover { color: var(--bila); }
.menu a.aktivni { color: var(--bila); font-weight: 600; border-bottom-color: var(--bila); }
.menu .cta {
  border: 1px solid rgba(255, 255, 255, 0.55); border-radius: 999px;
  padding: 0.45rem 1.1rem; color: var(--bila); font-weight: 600;
}
.menu .cta:hover { background: var(--bila); color: var(--les); border-color: var(--bila); }
.menu-prepinac { display: none; }
.menu-tlacitko { display: none; }

/* ---------- hero ---------- */
.hero {
  background: radial-gradient(1200px 700px at 70% -10%, var(--les-svetly) 0%, var(--les) 55%, var(--les-tmavy) 100%);
  color: var(--bila);
  padding: 5.5rem 0 5rem;
}
.hero-nadtitul {
  letter-spacing: 0.28em; text-transform: uppercase;
  font-size: 0.72rem; color: var(--kamen); margin-bottom: 1.4rem;
}
.hero h1 {
  font-size: clamp(2.1rem, 5.5vw, 3.6rem);
  line-height: 1.15; letter-spacing: 0.01em; max-width: 17ch;
}
.hero h1 .tenke { font-weight: 300; }
.hero h1 .tucne { font-weight: 700; }
.hero-veta { color: rgba(255, 255, 255, 0.78); font-size: clamp(1rem, 2.2vw, 1.15rem); max-width: 56ch; margin: 1.4rem 0 2.4rem; }
.hero-tlacitka { display: flex; gap: 0.9rem; flex-wrap: wrap; }

.tl { display: inline-block; text-decoration: none; border-radius: 999px; padding: 0.75rem 1.6rem; font-weight: 600; font-size: 0.95rem; transition: opacity 0.15s; }
.tl:hover { opacity: 0.88; }
.tl-bily { background: var(--bila); color: var(--les); }
.tl-obrys-bily { border: 1px solid rgba(255, 255, 255, 0.55); color: var(--bila); }
.tl-lesni { background: var(--les); color: var(--bila); }
.tl-obrys { border: 1px solid var(--les); color: var(--les); }

/* ---------- sekce ---------- */
.sekce { padding: 4.5rem 0; }
.sekce.papir { background: var(--papir); }
.sekce.les { background: var(--les); color: var(--bila); }
.sekce-nadtitul { letter-spacing: 0.24em; text-transform: uppercase; font-size: 0.7rem; color: var(--kamen); margin-bottom: 0.6rem; }
.sekce h2 { font-size: clamp(1.5rem, 3.4vw, 2.2rem); font-weight: 700; line-height: 1.2; margin-bottom: 0.8rem; }
.sekce h2 .tenke { font-weight: 300; }
.sekce-uvodni { color: #4a544c; max-width: 62ch; margin-bottom: 2.4rem; }
.sekce.les .sekce-uvodni { color: rgba(255, 255, 255, 0.75); }

/* ---------- karty a mřížky ---------- */
.mrizka-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1.2rem; }
.mrizka-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.2rem; }
.karta {
  background: var(--bila); border: 1px solid var(--linka); border-radius: 16px;
  padding: 1.6rem;
}
.karta h3 { font-size: 1.12rem; font-weight: 700; margin-bottom: 0.5rem; }
.karta p { font-size: 0.93rem; color: #4a544c; }
.sekce.les .karta { background: rgba(255, 255, 255, 0.05); border-color: var(--linka-bila); }
.sekce.les .karta h3 { color: var(--bila); }
.sekce.les .karta p { color: rgba(255, 255, 255, 0.72); }
.karta .odkaz { display: inline-block; margin-top: 0.9rem; color: var(--les); font-weight: 600; text-decoration: none; font-size: 0.92rem; }
.karta .odkaz:hover { text-decoration: underline; }

.stitek {
  display: inline-block; font-size: 0.68rem; font-weight: 600;
  letter-spacing: 0.12em; text-transform: uppercase;
  color: var(--les); background: rgba(15, 39, 20, 0.07);
  border-radius: 999px; padding: 0.25rem 0.7rem; margin-bottom: 0.7rem;
}

/* ---------- pilíře (svislý předěl z identity) ---------- */
.pilire { display: grid; grid-template-columns: 1fr 1px 1fr; gap: 2.4rem; align-items: start; }
.pilire-predel { background: var(--linka); height: 100%; min-height: 120px; }
.sekce.les .pilire-predel { background: var(--linka-bila); }
.pilir h3 { font-size: 1.6rem; margin-bottom: 0.6rem; }
.pilir h3 .tenke { font-weight: 300; }
.pilir h3 .tucne { font-weight: 700; }
.pilir p { font-size: 0.95rem; }
.sekce.les .pilir p { color: rgba(255, 255, 255, 0.78); }

/* ---------- kroky ---------- */
.kroky { display: grid; gap: 0; counter-reset: krok; max-width: 720px; }
.krok { display: flex; gap: 1.2rem; padding: 1.1rem 0; border-bottom: 1px solid var(--linka); }
.krok:last-child { border-bottom: none; }
.krok-cislo {
  counter-increment: krok; flex: none;
  width: 40px; height: 40px; border-radius: 999px;
  background: var(--les); color: var(--bila);
  display: flex; align-items: center; justify-content: center;
  font-weight: 700; font-size: 0.95rem;
}
.krok-cislo::before { content: counter(krok); }
.krok h3 { font-size: 1.02rem; font-weight: 700; }
.krok p { font-size: 0.92rem; color: #4a544c; }

/* ---------- seznamy zásad / rizik ---------- */
.zasady { display: grid; gap: 0.9rem; max-width: 720px; }
.zasada { display: flex; gap: 0.8rem; align-items: flex-start; font-size: 0.95rem; }
.zasada b { font-weight: 700; }
.zasada-znak { flex: none; color: var(--les); font-weight: 700; margin-top: 0.1rem; }
.sekce.les .zasada-znak { color: var(--kamen); }

/* ---------- formulář ---------- */
.formular {
  background: var(--bila); border: 1px solid var(--linka); border-radius: 16px;
  padding: 1.8rem; max-width: 560px;
}
.sekce.les .formular { background: rgba(255, 255, 255, 0.05); border-color: var(--linka-bila); }
.formular label { display: block; font-size: 0.82rem; font-weight: 600; margin: 0.9rem 0 0.25rem; }
.formular label:first-of-type { margin-top: 0; }
.formular input, .formular textarea {
  width: 100%; font: inherit; font-size: 0.95rem;
  border: 1px solid var(--linka); border-radius: 10px;
  padding: 0.6rem 0.8rem; background: var(--bila); color: var(--inkoust);
}
.sekce.les .formular input, .sekce.les .formular textarea {
  background: rgba(255, 255, 255, 0.08); border-color: var(--linka-bila); color: var(--bila);
}
.formular input:focus, .formular textarea:focus { outline: 2px solid var(--les-svetly); outline-offset: 1px; }
.formular button { margin-top: 1.3rem; border: none; cursor: pointer; font: inherit; }
.formular .pole-firma { position: absolute; left: -9999px; opacity: 0; }  /* honeypot */
.formular-pozn { font-size: 0.78rem; color: var(--kamen); margin-top: 0.8rem; }
.zprava-ok, .zprava-chyba {
  border-radius: 10px; padding: 0.8rem 1rem; font-size: 0.92rem; font-weight: 600; margin-bottom: 1.2rem;
}
.zprava-ok { background: rgba(53, 178, 107, 0.14); color: #1d6b40; }
.sekce.les .zprava-ok { color: #7fd8a5; }
.zprava-chyba { background: rgba(200, 60, 60, 0.12); color: #a03030; }
.sekce.les .zprava-chyba { color: #f0a0a0; }

/* ---------- patička ---------- */
.paticka { background: var(--les-tmavy); color: rgba(255, 255, 255, 0.75); padding: 3.5rem 0 2.5rem; font-size: 0.88rem; }
.paticka-vnitrek { display: grid; grid-template-columns: 1.4fr 1fr 1fr; gap: 2rem; margin-bottom: 2.4rem; }
.paticka img { height: 56px; margin-bottom: 1rem; }
.paticka h4 { color: var(--bila); font-size: 0.8rem; letter-spacing: 0.18em; text-transform: uppercase; margin-bottom: 0.8rem; }
.paticka a { color: rgba(255, 255, 255, 0.75); text-decoration: none; }
.paticka a:hover { color: var(--bila); }
.paticka ul { list-style: none; display: grid; gap: 0.4rem; }
.paticka-pravni { border-top: 1px solid var(--linka-bila); padding-top: 1.6rem; font-size: 0.78rem; color: var(--kamen); }

/* ---------- drobnosti ---------- */
.mezera-nahoru { margin-top: 2.4rem; }
.stred { text-align: center; }
.stred .sekce-uvodni, .stred .formular { margin-left: auto; margin-right: auto; }

/* ---------- mobil ---------- */
@media (max-width: 860px) {
  .mrizka-2, .mrizka-3 { grid-template-columns: 1fr; }
  .pilire { grid-template-columns: 1fr; gap: 1.6rem; }
  .pilire-predel { width: 48px; height: 1px; min-height: 0; }
  .paticka-vnitrek { grid-template-columns: 1fr; }

  .menu-tlacitko {
    display: flex; flex-direction: column; gap: 5px;
    background: none; border: none; cursor: pointer; padding: 0.4rem;
  }
  .menu-tlacitko span { width: 22px; height: 2px; background: var(--bila); display: block; }
  .menu {
    display: none; position: absolute; top: 72px; left: 0; right: 0;
    background: var(--les); flex-direction: column; align-items: flex-start;
    padding: 1rem 1.4rem 1.4rem; gap: 1rem; border-bottom: 1px solid var(--linka-bila);
  }
  .menu-prepinac:checked ~ .menu { display: flex; }
  .hero { padding: 3.5rem 0 3.5rem; }
  .sekce { padding: 3rem 0; }
}