/* ===== Основное меню навигации (общее для всех страниц) ===== */
nav.main-nav {
    display: flex;
    gap: 5px;
    flex-wrap: wrap;
    align-items: center;
}

nav.main-nav > a,
.nav-item > a {
    display: inline-block;
    padding: 6px 12px;
    border-radius: 10px;
    font-size: 0.9em;
    font-weight: bold;
    text-decoration: none !important;
    color: #FFA500 !important;
    background: rgba(255,165,0,0.12);
    border: 1px solid rgba(255,165,0,0.35);
    line-height: 1.15;
    transition: background 0.15s, transform 0.15s, border-color 0.15s;
}
nav.main-nav > a:hover,
.nav-item > a:hover {
    background: rgba(255,165,0,0.3);
    transform: translateY(-1px);
}
nav.main-nav > a.active,
.nav-item > a.active {
    background: rgba(255,165,0,0.3);
    border-color: #FFA500;
    color: #FFFFFF !important;
}

/* ===== Выпадающий список ===== */
.nav-item {
    position: relative;
}
.caret {
    display: inline-block;
    margin-left: 3px;
    font-size: 0.65em;
    opacity: 0.85;
    transform: translateY(-1px);
    transition: transform 0.2s;
}
.has-dropdown:hover .caret {
    transform: translateY(-1px) rotate(180deg);
}

.dropdown {
    position: absolute;
    top: calc(100% + 5px);
    left: 0;
    min-width: 240px;
    background: linear-gradient(150deg, #14161c 0%, #0d0f13 100%);
    border: 1px solid #2a2f3a;
    border-radius: 12px;
    padding: 4px;
    display: none;
    z-index: 10000;
    box-shadow: 0 12px 40px rgba(0,0,0,0.65), 0 0 20px rgba(255,165,0,0.08);
}
.has-dropdown:hover .dropdown,
.has-dropdown.open .dropdown {
    display: block;
    animation: dropIn 0.15s ease-out;
}
@keyframes dropIn {
    from { opacity: 0; transform: translateY(-4px); }
    to   { opacity: 1; transform: translateY(0); }
}

.dropdown a {
    display: block;
    padding: 7px 12px;
    border-radius: 8px;
    font-size: 0.86em;
    color: #FFA500 !important;
    text-decoration: none !important;
    background: transparent !important;
    border: none !important;
    transition: background 0.12s, color 0.12s, padding-left 0.15s;
    white-space: nowrap;
    line-height: 1.3;
}
.dropdown a:hover {
    background: rgba(255,165,0,0.18) !important;
    color: #FFFFFF !important;
    padding-left: 16px;
}

/* ===== Липкая (sticky) шапка при прокрутке ===== */
header.top {
    position: sticky !important;
    top: 6px !important;
    z-index: 5000 !important;
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    box-shadow: 0 8px 32px rgba(0,0,0,0.45), 0 0 24px rgba(255,165,0,0.06);
    transition: box-shadow 0.2s ease, background 0.2s ease, padding 0.2s ease;
    padding: 10px 16px !important;
}

header.top.stuck {
    background: linear-gradient(150deg, #14161c 0%, #0d0f13 100%);
    box-shadow: 0 12px 40px rgba(0,0,0,0.6), 0 0 32px rgba(255,165,0,0.1);
    padding: 8px 16px !important;
}

@media (max-width: 640px) {
    header.top {
        top: 4px !important;
        padding: 8px 12px !important;
    }
    header.top.stuck {
        padding: 6px 12px !important;
    }
}

/* ===== Мобильная адаптация меню ===== */
@media (max-width: 640px) {
    nav.main-nav {
        position: relative;
        width: 100%;
        justify-content: space-between;
        gap: 4px;
    }

    nav.main-nav > a,
    .nav-item {
        flex: 1 1 0;
    }
    nav.main-nav > a,
    .nav-item > a {
        width: 100%;
        padding: 6px 4px;
        font-size: 0.78em;
        text-align: center;
        border-radius: 8px;
    }
    .caret { margin-left: 2px; }

    .nav-item {
        position: static;
    }

    .dropdown {
        position: absolute;
        top: calc(100% + 4px);
        left: 0;
        right: 0;
        width: 100%;
        min-width: 0;
        margin: 0;
        padding: 4px;
        border-radius: 10px;
        z-index: 10000;
    }

    .dropdown a {
        padding: 8px 12px;
        font-size: 0.82em;
        white-space: normal;
        line-height: 1.3;
    }
}