/* ============================================================
   REMECO.SK — Header / Navigation Styles
   ============================================================ */

/* ============= HEADER ============= */
header {
    background: var(--color-bg-header);
    position: fixed;
    width: 100%;
    top: 0;
    z-index: var(--z-header);
    backdrop-filter: var(--header-blur);
    -webkit-backdrop-filter: var(--header-blur);
    border-bottom: 1px solid var(--color-border-primary);
    box-shadow: var(--shadow-sm);
    padding: var(--header-padding);
}

/* ============= NAVIGATION ============= */
nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    min-height: var(--header-height);
    gap: 1rem;
}

nav.container {
    max-width: var(--container-max-width);
    margin: 0 auto;
    padding: 0 20px;
    box-sizing: border-box;
}

/* ============= LOGO ============= */
.logo {
    color: var(--color-text-primary);
    font-size: 1.5rem;
    font-weight: var(--font-weight-bold);
    display: flex;
    align-items: center;
    flex-shrink: 0;
}

.logo a {
    display: flex;
    align-items: center;
}

.logo-img {
    height: 45px; /* Reduced from var(--logo-height) 50px */
    width: auto;
    object-fit: contain;
}

/* ============= NAV MENU ============= */
.nav-menu {
    display: flex;
    list-style: none;
    gap: 0.5rem; /* Compact for desktop */
    align-items: center;
    margin: 0;
    padding: 0;
    padding-left: 0.5rem;
    flex-shrink: 1;
    flex-wrap: nowrap;
}

/* ============= NAV DROPDOWN ============= */
.nav-dropdown {
    position: relative;
}

.nav-dropdown-toggle {
    display: flex;
    align-items: center;
    gap: 0.3rem;
    cursor: pointer;
}

.nav-dropdown-toggle::after {
    content: '▼';
    font-size: 0.6rem;
    transition: transform var(--transition-fast);
}

.nav-dropdown:hover .nav-dropdown-toggle::after {
    transform: rotate(180deg);
}

.nav-dropdown-menu {
    position: absolute;
    top: 100%;
    left: 0;
    min-width: 220px;
    background: var(--color-bg-white);
    border-radius: var(--radius-medium);
    box-shadow: var(--shadow-card);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: all 0.3s;
    z-index: 1001;
    list-style: none;
    padding: 0.5rem 0;
    margin: 0;
}

.nav-dropdown-menu li {
    list-style: none;
}

.nav-dropdown-menu a {
    display: block;
    padding: 0.75rem 1.25rem;
    color: var(--color-text-primary);
    text-decoration: none;
    font-size: var(--font-size-small);
    transition: var(--transition-default);
    white-space: nowrap;
}

.nav-dropdown-menu a:hover {
    background: var(--color-primary-10);
    color: var(--color-primary);
}

.nav-dropdown:hover .nav-dropdown-menu {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.nav-menu li {
    list-style: none;
}

.nav-menu a {
    color: var(--color-text-primary);
    text-decoration: none;
    transition: var(--transition-default);
    padding: 0.3rem 0.5rem; /* Compact for desktop */
    border-radius: var(--radius-nav);
    font-weight: var(--font-weight-medium);
    font-size: 0.85rem; /* Smaller for PC */
    display: flex;
    align-items: center;
    white-space: nowrap;
}

.nav-menu a:hover,
.nav-menu a.active,
.nav-menu a[aria-current="page"] {
    color: var(--color-primary);
    background: var(--color-primary-10);
}

/* ============= NAV CTA BUTTON ============= */
.nav-menu .btn,
.nav-menu a.btn {
    margin-left: 0.2rem;
    padding: 0.4rem 0.8rem;
    font-size: 0.8rem;
}

/* ============= MOBILE MENU TOGGLE ============= */
.mobile-menu-toggle {
    display: none;
    background: none;
    border: none;
    font-size: 1.5rem;
    color: var(--color-text-primary);
    cursor: pointer;
    padding: 0.5rem;
    line-height: 1;
}

.mobile-menu-toggle:hover {
    color: var(--color-primary);
}

/* ============= LANGUAGE SWITCHER ============= */
.lang-switcher,
.lang-switch {
    display: flex;
    align-items: center;
    gap: 0.2rem;
    margin-left: 0.3rem;
    padding-left: 0.3rem;
    border-left: 1px solid var(--color-border);
}

.lang-switcher a,
.lang-switch a {
    padding: 0.2rem 0.4rem;
    border-radius: var(--radius-small);
    font-size: 0.8rem;
    font-weight: var(--font-weight-medium);
    text-transform: uppercase;
    background: none;
}

.lang-switcher a.active,
.lang-switch a.active {
    background: var(--color-primary);
    color: var(--color-text-white);
}

.lang-switcher a:not(.active):hover,
.lang-switch a:not(.active):hover {
    background: var(--color-primary-10);
}

/* ============= RESPONSIVE — LARGE DESKTOP 1400-1200px ============= */
@media (max-width: 1399px) and (min-width: 1200px) {
    header nav.container {
        max-width: 1200px;
    }

    .nav-menu {
        gap: 0.6rem;
    }

    .nav-menu a {
        padding: 0.35rem 0.5rem;
        font-size: 0.85rem;
    }

    .nav-menu .btn,
    .nav-menu a.btn {
        padding: 0.4rem 0.8rem;
        font-size: 0.8rem;
    }

    .logo-img {
        height: 42px;
    }

    .lang-switch {
        margin-left: 0.3rem;
        padding-left: 0.3rem;
    }

    .lang-switch a {
        padding: 0.25rem 0.4rem;
        font-size: 0.8rem;
    }
}

/* ============= RESPONSIVE — TABLET 1199-1000px ============= */
@media (max-width: 1199px) and (min-width: 950px) {
    header nav.container {
        max-width: 100%;
        padding: 0 15px;
    }

    .nav-menu {
        gap: 0.4rem;
    }

    .nav-menu a {
        padding: 0.3rem 0.4rem;
        font-size: 0.75rem;
    }

    .nav-menu .btn,
    .nav-menu a.btn {
        padding: 0.35rem 0.6rem;
        font-size: 0.75rem;
    }

    .logo-img {
        height: 38px;
    }

    .lang-switch {
        margin-left: 0.2rem;
        padding-left: 0.2rem;
    }

    .lang-switch a {
        padding: 0.2rem 0.35rem;
        font-size: 0.75rem;
    }
}

/* ============= RESPONSIVE — BURGER MENU 999-768px ============= */
@media (max-width: 949px) and (min-width: 768px) {
    .mobile-menu-toggle {
        display: block;
    }

    .nav-menu {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: var(--color-bg-header-mobile);
        flex-direction: column;
        padding: 1rem;
        box-shadow: var(--shadow-nav-mobile);
        gap: 0.5rem;
    }

    .nav-menu.active {
        display: flex;
    }

    .nav-menu a {
        width: 100%;
        justify-content: center;
        padding: 0.75rem 1rem;
        font-size: 0.9rem;
    }

    .logo-img {
        height: 40px;
    }

    .lang-switch {
        width: 100%;
        justify-content: center;
        margin: 0.5rem 0 0 0;
        padding: 0.5rem 0 0 0;
        border-left: none;
        border-top: 1px solid var(--color-border);
    }

    /* Dropdown in burger */
    .nav-dropdown-menu {
        position: static;
        display: none;
        opacity: 1;
        visibility: visible;
        transform: none;
        box-shadow: none;
        background: var(--color-bg-light);
        border-radius: var(--radius-small);
        margin-top: 0.5rem;
    }

    .nav-dropdown.active .nav-dropdown-menu {
        display: block;
    }

    .nav-dropdown-toggle::after {
        transition: transform var(--transition-fast);
    }

    .nav-dropdown.active .nav-dropdown-toggle::after {
        transform: rotate(180deg);
    }
}

/* ============= RESPONSIVE — MOBILE 767px and below ============= */
@media (max-width: 767px) {
    .mobile-menu-toggle {
        display: block;
    }

    .nav-menu {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: var(--color-bg-header-mobile);
        flex-direction: column;
        padding: 1rem;
        box-shadow: var(--shadow-nav-mobile);
        gap: 0.5rem;
        padding-left: 1rem;
    }

    .nav-menu.active {
        display: flex;
    }

    .nav-menu a {
        width: 100%;
        justify-content: center;
        padding: 0.75rem 1rem;
    }

    .logo-img {
        height: 35px;
    }

    .lang-switcher {
        width: 100%;
        justify-content: center;
        margin: 0.5rem 0 0 0;
        padding: 0.5rem 0 0 0;
        border-left: none;
        border-top: 1px solid var(--color-border);
    }

    /* Mobile dropdown - tap to open */
    .nav-dropdown-menu {
        position: static;
        display: none;
        opacity: 1;
        visibility: visible;
        transform: none;
        box-shadow: none;
        background: var(--color-bg-light);
        border-radius: var(--radius-small);
        margin-top: 0.5rem;
    }

    .nav-dropdown.active .nav-dropdown-menu {
        display: block;
    }

    .nav-dropdown-toggle::after {
        transition: transform var(--transition-fast);
    }

    .nav-dropdown.active .nav-dropdown-toggle::after {
        transform: rotate(180deg);
    }

    .nav-dropdown-menu a {
        padding: 0.6rem 1rem;
        font-size: 0.85rem;
    }
}

/* ============= SKIP LINK (Accessibility) ============= */
.skip-link {
    position: absolute;
    top: -40px;
    left: 0;
    background: var(--color-primary);
    color: var(--color-text-white);
    padding: 8px 16px;
    z-index: 10000;
    transition: top 0.3s;
}

.skip-link:focus {
    top: 0;
}