.site-header {
    position: fixed;
    top: 20px;
    left: 0;
    width: 100%;
    z-index: 100;
}

.header-glass-panel {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 12px 24px;
    background: var(--glass-bg);
    backdrop-filter: var(--glass-blur);
    -webkit-backdrop-filter: var(--glass-blur);
    border: 1px solid var(--glass-border);
    border-radius: 60px;
    position: relative;
}

.logo,
.logo a {
    display: flex;
    align-items: center;
    font-size: 24px;
    font-weight: 700;
    letter-spacing: -0.5px;
}

.logo img {
    display: block;
    width: auto;
}

.logo-desktop {
    display: block;
}

.logo-mobile {
    display: none !important;
}

/* Обновленная структура для ПК */
.main-nav-inner {
    display: flex;
    align-items: center;
    width: 100%;
}

.main-nav ul.primary-menu {
    display: flex;
    gap: 30px;
    list-style: none;
    margin: 0;
    padding: 0;
}

.main-nav a {
    font-size: 14px;
    font-weight: 500;
    opacity: 0.9;
}

.main-nav a:hover {
    opacity: 1;
}

.header-actions {
    display: flex;
    align-items: center;
    gap: 24px;
}

.phone-link {
    font-size: 14px;
    font-weight: 600;
}

.btn-primary {
    background-color: var(--color-accent);
    color: var(--color-black);
    padding: 12px 24px;
    border-radius: 40px;
    font-size: 14px;
    font-weight: 600;
}

.btn-primary:hover {
    background-color: var(--color-accent-hover);
}

/* Классы видимости */
.mobile-only {
    display: none !important;
}

.desktop-only {
    display: block;
}

/* Кнопка бутерброда */
.hamburger-btn {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    width: 26px;
    height: 18px;
    position: relative;
    z-index: 2100;
}

.hamburger-btn span {
    display: block;
    position: absolute;
    height: 2px;
    width: 100%;
    background: var(--color-white);
    border-radius: 2px;
    transition: all 0.3s cubic-bezier(0.25, 1, 0.5, 1);
    left: 0;
}

.hamburger-btn span:nth-child(1) {
    top: 0;
}

.hamburger-btn span:nth-child(2) {
    top: 8px;
}

.hamburger-btn span:nth-child(3) {
    top: 16px;
}

.hamburger-btn.active span:nth-child(1) {
    transform: rotate(45deg);
    top: 8px;
    background: var(--color-white);
}

.hamburger-btn.active span:nth-child(2) {
    opacity: 0;
}

.hamburger-btn.active span:nth-child(3) {
    transform: rotate(-45deg);
    top: 8px;
    background: var(--color-white);
}

/* Планшеты */
@media (max-width: 1100px) {
    .header-glass-panel {
        padding: 10px 20px;
    }

    .main-nav ul.primary-menu {
        gap: 15px;
    }

    .main-nav a {
        font-size: 13px;
    }

    .btn-primary {
        padding: 10px 20px;
    }
}

/* Мобильные телефоны */
@media (max-width: 768px) {
    .desktop-only {
        display: none !important;
    }

    .mobile-only {
        display: block !important;
    }

    .mobile-menu-top.mobile-only {
        display: flex !important;
    }

    .hamburger-btn {
        display: block;
    }

    .logo-desktop {
        display: none !important;
    }

    .logo-mobile {
        display: block !important;
    }

    .header-glass-panel {
        padding: 12px 20px;
        border-radius: 40px;
    }

    .header-actions {
        gap: 20px;
    }

    .phone-link {
        font-size: 14px;
        position: relative;
        z-index: 2100;
    }

    /* Темный оверлей на весь экран */
    .main-nav {
        position: fixed;
        top: 0;
        left: 0;
        width: 100%;
        height: 100vh;
        background: rgba(0, 0, 0, 0.6);
        z-index: 2000;
        opacity: 0;
        visibility: hidden;
        transition: opacity 0.3s ease, visibility 0.3s ease;
        display: flex;
        flex-direction: column;
        justify-content: flex-end;
    }

    .main-nav.active {
        opacity: 1;
        visibility: visible;
    }

    /* Белая выезжающая шторка (Bottom Sheet) */
    .main-nav-inner {
        background: #ffffff;
        width: 100%;
        max-height: 90vh;
        border-radius: 24px 24px 0 0;
        padding: 24px 24px 40px 24px;
        box-sizing: border-box;
        transform: translateY(100%);
        transition: transform 0.4s cubic-bezier(0.25, 1, 0.5, 1);
        overflow-y: auto;
        display: flex;
        flex-direction: column;
        align-items: stretch;
    }

    .main-nav.active .main-nav-inner {
        transform: translateY(0);
    }

    /* Шапка внутри мобильного меню */
    .mobile-menu-top {
        flex-direction: column;
        align-items: center;
        margin-bottom: 30px;
    }

    .drag-handle {
        width: 36px;
        height: 4px;
        border-radius: 2px;
        background: #e0e0e0;
        margin-bottom: 25px;
    }

    .mobile-menu-phone {
        font-size: 24px;
        font-weight: 700;
        color: #111111;
        text-decoration: none;
        align-self: flex-start;
    }

    /* Сброс стилей списков */
    .main-nav ul {
        flex-direction: column;
        align-items: stretch;
        gap: 0;
        padding: 0;
        margin: 0;
    }

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

    /* Общие стили для ссылок мобильного меню */
    .main-nav a {
        display: flex;
        justify-content: space-between;
        align-items: center;
        width: 100%;
        padding: 16px 0;
        color: #111111;
        opacity: 1;
        text-align: left;
    }

    /* Стрелочка вправо */
    .main-nav a::after {
        content: '❯';
        font-size: 14px;
        color: #cccccc;
        font-weight: 400;
    }

    .main-nav a:hover,
    .main-nav a:active {
        color: var(--color-danger);
    }

    /* Главное меню */
    .main-nav ul.primary-menu a {
        font-size: 20px;
        font-weight: 600;
    }

    /* Разделительная линия */
    .mobile-divider {
        height: 1px;
        background: #eeeeee;
        margin: 10px 0;
        width: 100%;
    }

    /* Дополнительное меню */
    .main-nav ul.secondary-menu a {
        font-size: 17px;
        font-weight: 500;
        color: #444444;
        padding: 12px 0;
    }

    .main-nav ul.secondary-menu a::after {
        font-size: 12px;
    }
}