/* ===== Glass header ===== */
.glass-header {
  background: rgba(255, 255, 255, 0.15);
  backdrop-filter: blur(5px);
  padding: 10px 20px;
  margin: 10px;
  border-radius: 99999px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.glass-header .logo {
  font-size: 1.6rem;
  font-weight: 700;
  color: #000;
  padding: 8px 20px;
  border-radius: 25px;
  background: rgba(255, 255, 255, 0.15);
}

.glass-header .logo span { color: #F8951D; }

.glass-header .nav-link {
  font-size: 16px;
  padding: 8px 18px;
  border-radius: 25px;
  background: rgba(255, 255, 255, 0.15);
  color: #000;
  transition: all 0.3s ease;
  text-decoration: none;
}

.glass-header .nav-link.aktivni {
  font-size: 20px;
  font-weight: bold;
  color: #F8951D;
  background: rgba(255, 255, 255, 0.2);
}

.glass-header .nav-link.neaktivni {
  font-size: 16px;
  color: #000;
  background: rgba(255, 255, 255, 0.15);
}

.glass-header .nav-link:hover {
  font-size: 18px;
  background: rgba(255, 255, 255, 0.2);
}

/* ===== Menu toggle default (desktop) ===== */
.glass-header .menu-toggle {
  display: none; /* desktop: skryté */
}

/* ===== Mobilní menu ===== */
@media(max-width: 768px) {

  .glass-header {
    flex-direction: column;
    align-items: flex-start;
    gap: 10px;
  }

  /* Zobraz hamburger */
  .glass-header .menu-toggle {
    display: grid; /* jen na mobilu */
    place-items: center;
    width: 42px;
    height: 42px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.12);
    backdrop-filter: blur(4px);
    border: none;
    cursor: pointer;
    overflow: hidden;
    color: transparent;
    transition: background 0.25s ease, transform 0.25s ease;
    margin-top: 5px;
  }

  .glass-header .menu-toggle:hover {
    background: rgba(255,255,255,0.2);
    transform: scale(1.05);
  }

  /* Hamburger čárky */
  .glass-header .menu-toggle::before,
  .glass-header .menu-toggle::after,
  .glass-header .menu-toggle span {
    content: "";
    position: absolute;
    width: 20px;
    height: 2px;
    background: rgba(0,0,0,0.85);
    border-radius: 2px;
    transition: all 0.3s ease;
  }

  .glass-header .menu-toggle::before { top: 12px; }
  .glass-header .menu-toggle span       { top: 20px; }
  .glass-header .menu-toggle::after     { top: 28px; }

  /* Navigace schovaná */
  .glass-header .nav ul {
    display: none;
    flex-direction: column;
    gap: 10px;
    width: 100%;
    text-align: center;
    transition: max-height 0.3s ease, opacity 0.25s ease, transform 0.3s ease;
    overflow: hidden;
    max-height: 0;
    opacity: 0;
    transform: translateY(-6px);
  }

  /* Navigace otevřená */
  .glass-header .nav ul.active {
    display: flex;
    max-height: 500px;
    opacity: 1;
    transform: translateY(0);
    animation: fadeIn 0.3s ease forwards;
  }

  @keyframes fadeIn {
    from { opacity: 0; transform: translateY(-10px); }
    to   { opacity: 1; transform: translateY(0); }
  }

  /* Odkazy v mobilu */
  .glass-header .nav-link {
    width: 100%;
    display: block;
    padding: 12px 16px;
    border-radius: 12px;
    margin: 0 8px;
    background: rgba(255,255,255,0.12);
  }

  .glass-header .nav-link:hover {
    background: rgba(255,255,255,0.2);
  }

  /* Hamburger animace open */
  .glass-header .menu-toggle.open::before {
    transform: translateY(8px) rotate(45deg);
  }
  .glass-header .menu-toggle.open::after {
    transform: translateY(-8px) rotate(-45deg);
  }
  .glass-header .menu-toggle.open span {
    opacity: 0;
  }
}


@media(max-width: 768px) {

  /* Glass header celkově */
  .glass-header {
    flex-direction: column;
    align-items: center; /* centrování obsahu */
    gap: 10px;
    padding: 8px 15px; /* menší padding na mobilu */
    margin: 5px;
  }

  /* Logo */
  .glass-header .logo {
    max-height: 60px; /* zmenšení loga na mobilu */
    padding: 5px 12px;
  }

  /* Logo-link pokud máš logo uvnitř <a> */
  .glass-header .logo-link img {
    max-height: 60px;
    display: block;
  }

  /* Navigace */
  .glass-header .nav ul {
    width: 100%;
    text-align: center;
  }

  .glass-header .nav-link {
    font-size: 14px; /* menší písmo */
    padding: 10px 12px;
  }

  /* Hamburger */
  .glass-header .menu-toggle {
    width: 36px;
    height: 36px;
  }

  .glass-header .menu-toggle::before,
  .glass-header .menu-toggle span,
  .glass-header .menu-toggle::after {
    width: 18px;
    height: 2px;
  }
}