/* ===================================
   ACRIK.RU - Navigation Bar Styles
   =================================== */

/* --- Sticky Navbar --- */
.site-nav {
    background: #1a2744;
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.15);
}

.site-nav .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

/* --- Hamburger (mobile only) --- */
.site-nav__toggle {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    padding: 10px;
}

.site-nav__toggle-bar {
    display: block;
    width: 24px;
    height: 2px;
    background: #FFFFFF;
    margin: 5px 0;
    transition: transform 0.3s ease, opacity 0.3s ease;
}

.site-nav__toggle.active .site-nav__toggle-bar:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}

.site-nav__toggle.active .site-nav__toggle-bar:nth-child(2) {
    opacity: 0;
}

.site-nav__toggle.active .site-nav__toggle-bar:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -5px);
}

/* --- Menu List --- */
.site-nav__menu {
    display: flex;
    list-style: none;
    margin: 0;
    padding: 0;
}

.site-nav__menu > li {
    position: relative;
}

.site-nav__menu > li > a {
    display: block;
    padding: 15px 18px;
    color: #fcfcfc;
    font-size: 15px;
    font-weight: 500;
    text-decoration: none;
    transition: background 0.2s ease, color 0.2s ease;
    white-space: nowrap;
}

.site-nav__menu > li > a:hover,
.site-nav__menu > li.active > a {
    background: rgba(255, 255, 255, 0.1);
    color: #FF6B00;
}

/* --- Dropdown Sub-Menu (soft/warm minimalism) --- */
.site-nav__submenu {
    position: absolute;
    top: calc(100% + 6px);
    left: 0;
    min-width: 260px;
    list-style: none;
    margin: 0;
    padding: 8px 0;
    z-index: 1001;

    background: rgba(255, 255, 255, 0.82);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border-radius: 12px;
    border: 1px solid rgba(255, 255, 255, 0.5);
    box-shadow:
        0 2px 4px rgba(26, 39, 68, 0.04),
        0 8px 24px rgba(26, 39, 68, 0.08),
        0 20px 48px rgba(26, 39, 68, 0.06);

    opacity: 0;
    visibility: hidden;
    transform: translateY(-4px);
    pointer-events: none;
    transition:
        opacity 0.2s ease,
        transform 0.2s ease,
        visibility 0.2s;
}

@supports not (backdrop-filter: blur(16px)) {
    .site-nav__submenu {
        background: rgba(255, 255, 255, 0.95);
    }
}

/* Hover bridge — covers the 6px gap so mouse doesn't lose hover */
.site-nav__menu > li.has-submenu::after {
    content: '';
    position: absolute;
    left: 0;
    right: 0;
    top: 100%;
    height: 6px;
    background: transparent;
}

.site-nav__menu > li:hover > .site-nav__submenu {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
    pointer-events: auto;
}

.site-nav__submenu li a {
    display: block;
    padding: 10px 16px;
    margin: 2px 8px;
    color: #333333;
    font-size: 14px;
    text-decoration: none;
    border-radius: 8px;
    transition: background 0.15s ease, color 0.15s ease;
}

.site-nav__submenu li a:hover {
    background: rgba(255, 107, 0, 0.08);
    color: #FF6B00;
}

/* Dropdown arrow indicator for items with sub-menus */
.site-nav__menu > li.has-submenu > a::after {
    content: '';
    display: inline-block;
    width: 0;
    height: 0;
    margin-left: 8px;
    vertical-align: 1px;
    border-left: 4px solid transparent;
    border-right: 4px solid transparent;
    border-top: 5px solid #FF6B00;
}

/* --- Left Sidebar Menu (inner pages) --- */
.sidebar-menu {
    background: #FFFFFF;
    border: 1px solid #e8e8e8;
    border-radius: 12px;
    overflow: hidden;
}

.sidebar-menu__title {
    background: #1a2744;
    color: #FFFFFF;
    padding: 12px 18px;
    font-size: 15px;
    font-weight: 600;
}

.sidebar-menu__list {
    list-style: none;
    margin: 0;
    padding: 0;
}

.sidebar-menu__list li {
    border-bottom: 1px solid #f0f0f0;
}

.sidebar-menu__list li:last-child {
    border-bottom: none;
}

.sidebar-menu__list li a {
    display: block;
    padding: 10px 18px;
    color: #333333;
    font-size: 14px;
    text-decoration: none;
    transition: background 0.15s ease, color 0.15s ease, padding-left 0.15s ease;
}

.sidebar-menu__list li a:hover {
    background: #f8f8f8;
    color: #FF6B00;
    padding-left: 22px;
}

.sidebar-menu__list li.active a {
    color: #FF6B00;
    font-weight: 600;
    background: #fff8f0;
    border-left: 3px solid #FF6B00;
    padding-left: 15px;
}

/* --- Responsive Navbar --- */
@media (max-width: 768px) {
    .site-nav__toggle {
        display: block;
    }

    .site-nav .container {
        flex-wrap: wrap;
        padding: 0;
    }

    .site-nav__toggle {
        margin: 8px 15px;
    }

    .site-nav__menu {
        display: none;
        flex-direction: column;
        width: 100%;
        border-top: 1px solid rgba(255, 255, 255, 0.1);
    }

    .site-nav__menu.open {
        display: flex;
    }

    .site-nav__menu > li > a {
        padding: 12px 20px;
        border-bottom: 1px solid rgba(255, 255, 255, 0.05);
    }

    /* Sub-menu in mobile: static, no glass effect */
    .site-nav__submenu {
        position: static;
        box-shadow: none;
        border-radius: 0;
        background: #f5f5f5;
        min-width: auto;
        backdrop-filter: none;
        -webkit-backdrop-filter: none;
        border: none;
        opacity: 1;
        visibility: visible;
        transform: none;
        pointer-events: auto;
        transition: none;
        display: none;
    }

    /* Hover bridge not needed on mobile */
    .site-nav__menu > li.has-submenu::after {
        display: none;
    }

    .site-nav__menu > li:hover > .site-nav__submenu {
        display: none;
    }

    .site-nav__menu > li.submenu-open > .site-nav__submenu {
        display: block;
    }

    .site-nav__submenu li a {
        padding-left: 40px;
        margin: 0;
        border-radius: 0;
    }

    /* Dropdown arrow rotates when open */
    .site-nav__menu > li.has-submenu.submenu-open > a::after {
        transform: rotate(180deg);
    }
}