.header-logo {
    position: fixed;
    left: 16px;
    top: 16px;
}

.header-logo a {
    display: block;
}

/* Logo desktop - dwie grafiki jedna pod drugą */
.logo-desktop {
    display: none;
    flex-direction: column;
    gap: 0.4rem;
    align-items: flex-start;
}

.logo-desktop img {
    display: block;
    height: auto;
}

/* Górna grafika - crarch.webp */
.logo-crarch {
    max-width: 160px;
    width: auto;
}

/* Dolna grafika - napis.webp */
.logo-napis {
    max-width: 200px;
    width: auto;
}

/* Logo mobile */
.logo-mobile {
    display: block;
}

.logo-mobile img {
    display: block;
    max-width: 100%;
    height: auto;
}

/* Desktop i tablet - pokaż logo desktop, ukryj mobile */
@media (min-width: 768px) {
    .logo-desktop {
        display: flex;
    }
    
    .logo-mobile {
        display: none;
    }
}

/* Mobile - pokaż logo mobile, ukryj desktop */
@media (max-width: 767px) {
    .logo-desktop {
        display: none;
    }
    
    .logo-mobile {
        display: block;
    }
}

::selection {
    background: black;
    color: white;
}

footer#footer {
    position: fixed;
    top: 16px;
    right: 16px;
    z-index: 1000;
}

/* Ukryj submenu w lewym menu - ma być nierozwijalne */
.vertical-nav li .sub-menu {
  display: none !important;
}

.vertical-nav,
.vertical-nav .sub-menu {
  list-style: none;
  margin: 0;
  padding: 0;
  display: block;
}

.vertical-nav .sub-menu { padding-left: 16px; }
.vertical-nav .sub-menu .sub-menu { padding-left: 16px; }

/* Submenu zawsze ukryte w lewym menu */
.vertical-nav li:hover > .sub-menu { 
  display: none !important; 
} 


ul.lang-switcher {
    display: flex;
    gap: 1rem;
    font-size: 1.2rem;
}

ul.lang-switcher a {
    color: black;
    text-decoration: none;
}

#header {
    z-index: 1000;
    position: relative;
}
/* Submenu - accordion */
.vertical-nav li.has-submenu > a {
    display: flex;
    justify-content: space-between;
    align-items: center;
    position: relative;
    padding-right: 2rem;
}

.menu-arrow {
    margin-left: 8px;
    transition: transform 0.3s ease;
    display: inline-block;
    width: 12px;
    height: 12px;
    position: relative;
}

/* Strzałka w dół (CSS) */
.menu-arrow::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%) rotate(45deg);
    width: 6px;
    height: 6px;
    border-bottom: 2px solid #808080;
    border-right: 2px solid #808080;
    transition: all 0.3s ease;
}

/* Strzałka w górę gdy aktywne */
.vertical-nav li.has-submenu.active .menu-arrow::before {
    transform: translate(-50%, -50%) rotate(-135deg);
}

.vertical-nav li.has-submenu.active > a {
    color: #000;
}

.vertical-nav .sub-menu {
    list-style: none;
    padding: 0;
    margin: 0;
    padding-left: 1.6rem;
    padding-top: 0.8rem;
}

.vertical-nav .sub-menu li {
    margin: 0.4rem 0;
}

.vertical-nav .sub-menu li a {
    font-size: 1.4rem;
    color: #999;
    padding: 0.4rem 0;
    display: block;
}

.vertical-nav .sub-menu li a:hover {
    color: #000;
}

.footer-social {
    display: flex;
    gap: .8rem;
}