/* =========================================
   НОВОЕ МОБИЛЬНОЕ МЕНЮ (Изолированные стили)
========================================= */

/* 1. Кнопка бургера */
.arch-burger-btn {
    display: none; /* Скрыта на ПК */
    background: transparent;
    border: none;
    cursor: pointer;
    flex-direction: column;
    justify-content: space-between;
    width: 30px;
    height: 20px;
    padding: 0;
    z-index: 50;
}
.arch-burger-btn span {
    display: block;
    width: 100%;
    height: 2px;
    background-color: #fff; /* Цвет полосок бургера */
    border-radius: 2px;
}

/* 2. Темный фон (Overlay) */
.arch-mobile-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100vh;
    background: rgba(0, 0, 0, 0.8);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    z-index: 999999;
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    transition: all 0.3s ease;
}

/* 3. Само окно меню */
.arch-mobile-window {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -45%) scale(0.95);
    width: 92%;
    max-width: 400px;
    background: #0a0a0a;
    border: 1px solid rgba(212, 175, 55, 0.2); /* Золотая рамка */
    border-radius: 16px;
    box-shadow: 0 25px 50px rgba(0,0,0,0.5);
    transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
    display: flex;
    flex-direction: column;
    max-height: 85vh;
}

/* 4. СОСТОЯНИЕ: ОТКРЫТО */
.arch-mobile-overlay.is-active {
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
}
.arch-mobile-overlay.is-active .arch-mobile-window {
    transform: translate(-50%, -50%) scale(1);
}

/* 5. Шапка окна */
.arch-mobile-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px;
    border-bottom: 1px solid rgba(255,255,255,0.05);
}
.arch-title { color: #d4af37; font-weight: bold; font-size: 18px; }
.arch-close-btn { background: none; border: none; color: #fff; font-size: 24px; cursor: pointer; }

/* 6. Внутренности (ссылки) */
.arch-mobile-body {
    padding: 20px;
    overflow-y: auto;
    display: flex;
    flex-direction: column;
    gap: 15px;
}
.arch-group-title {
    display: block;
    color: #fff;
    font-size: 20px;
    font-weight: bold;
    margin-bottom: 10px;
    text-decoration: none;
}
.arch-sub-links {
    display: flex;
    flex-direction: column;
    gap: 10px;
    padding-left: 15px;
    border-left: 1px solid #d4af37;
    margin-bottom: 10px;
}
.arch-sub-links a, .arch-main-link {
    color: #b0b0b0;
    text-decoration: none;
    font-size: 16px;
    transition: color 0.2s;
}
.arch-main-link {
    font-size: 20px;
    color: #fff;
    font-weight: bold;
}
.arch-sub-links a:hover, .arch-main-link:hover { color: #d4af37; }

/* 7. Кнопка "Оставить заявку" */
.arch-mobile-btn {
    display: inline-block;
    text-align: center;
    background: #d4af37;
    color: #000;
    padding: 15px;
    border-radius: 8px;
    font-weight: bold;
    text-decoration: none;
    margin-top: 10px;
}

/* =========================================
   АДАПТИВ (Прячем/Показываем)
========================================= */
@media (max-width: 992px) {
    .desktop-menu, .hide-on-mobile { display: none !important; }
    .arch-burger-btn { display: flex; }
}