/* ==========================================================================
   Общая шапка сайта (редизайн) — все страницы с class="site-header-v2"
   ========================================================================== */

body.site-header-v2 {
    --site-header-gutter: clamp(16px, 4vw, 40px);
}

/* Шапка всегда видна при прокрутке */

body.site-header-v2 .header {
    position: sticky;
    top: 0;
    z-index: 1100;
    background: rgba(255, 255, 255, 0.92);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
}

body.site-header-v2 .header .container {
    padding-left: var(--site-header-gutter);
    padding-right: var(--site-header-gutter);
}

body.site-header-v2 .header {
    box-shadow: 0 1px 0 rgba(15, 23, 42, 0.06), 0 4px 20px rgba(15, 23, 42, 0.04);
}

body.site-header-v2 .nav {
    display: grid;
    grid-template-columns: 1fr auto 1fr;
    align-items: center;
    gap: 16px;
}

body.site-header-v2 .logo {
    justify-self: start;
    color: #1e293b;
    font-size: 22px;
    text-shadow: none;
    display: flex;
    align-items: center;
    gap: 12px;
    text-decoration: none;
}

body.site-header-v2 .logo:hover {
    color: #0f172a;
    text-shadow: none;
}

body.site-header-v2 .logo svg {
    filter: none;
}

body.site-header-v2 .nav-links {
    justify-self: center;
}

/* Десктоп: горизонтальные ссылки без панели меню */
@media (min-width: 769px) {
    body.site-header-v2 .nav-menu-panel__title {
        display: none;
    }

    body.site-header-v2 .nav-links.nav-menu-panel {
        position: static;
        visibility: visible;
        pointer-events: auto;
        opacity: 1;
        transform: none;
        flex-direction: row;
        gap: clamp(16px, 2vw, 32px);
        padding: 0;
        margin: 0;
        border: none;
        border-radius: 0;
        background: transparent;
        box-shadow: none;
        max-height: none;
        overflow: visible;
        transition: none;
    }

    body.site-header-v2 .nav-menu-panel__item {
        padding: 0;
        opacity: 1;
        transform: none;
        animation: none !important;
    }

    body.site-header-v2 .nav-menu-panel__link {
        display: inline;
        padding: 0;
        border-radius: 0;
        font-size: inherit;
        font-weight: 500;
        color: var(--text-gray, #64748b);
        transform: none;
        box-shadow: none;
    }

    body.site-header-v2 .nav-menu-panel__icon {
        display: none;
    }

    body.site-header-v2 .nav-menu-panel__link:hover,
    body.site-header-v2 .nav-menu-panel__link:focus-visible {
        background: transparent;
        color: var(--primary-blue, #4f46e5);
        transform: none;
        box-shadow: none;
    }
}

body.site-header-v2 .nav-header-actions {
    justify-self: end;
    display: flex;
    align-items: center;
    gap: 12px;
}

body.site-header-v2 .nav-auth-wrapper {
    align-self: center;
    opacity: 1;
    transform: none;
}

body.site-header-v2 .nav-auth-wrapper.nav-auth-pending {
    visibility: hidden;
}

body.site-header-v2 .nav-auth-wrapper.nav-auth-ready {
    visibility: visible;
}

body.site-header-v2 .nav-cabinet-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    border-radius: 10px;
    white-space: nowrap;
    flex-shrink: 0;
    line-height: 1.2;
}

body.site-header-v2 .nav-cabinet-btn .copy-short {
    display: none;
}

body.site-header-v2 .nav-mobile-auth-btn__label {
    display: none;
}

/* Мобильное меню: затемнение и панель */

body.site-header-v2 .nav-backdrop {
    display: none;
    position: fixed;
    inset: 0;
    z-index: 1090;
    background: rgba(15, 23, 42, 0.5);
    backdrop-filter: blur(6px);
    -webkit-backdrop-filter: blur(6px);
    opacity: 0;
    transition: opacity 0.28s ease;
}

body.site-header-v2.nav-open .nav-backdrop {
    opacity: 1;
}

body.site-header-v2.nav-open {
    overflow: hidden;
}

body.site-header-v2.nav-open .nav-backdrop {
    display: block;
}

body.site-header-v2.nav-open .mobile-menu-btn {
    z-index: 1102;
}

/* Кнопка-бургер: карточка + анимация в крестик (только мобильный редизайн) */

@media (max-width: 768px) {
    body.site-header-v2 .mobile-menu-btn {
        display: flex;
        position: relative;
        flex-shrink: 0;
        flex-direction: column;
        align-items: center;
        justify-content: center;
        gap: 5px;
        width: 44px;
        height: 44px;
        padding: 0;
        margin: 0;
        border: 1px solid #e2e8f0;
        border-radius: 12px;
        background: linear-gradient(180deg, #ffffff 0%, #f8fafc 100%);
        box-shadow:
            0 1px 2px rgba(15, 23, 42, 0.06),
            0 4px 14px rgba(79, 70, 229, 0.1);
        cursor: pointer;
        transition:
            border-color 0.22s ease,
            background 0.22s ease,
            box-shadow 0.22s ease,
            transform 0.15s ease;
    }
    body.site-header-v2 .mobile-menu-btn:hover {
        border-color: #c7d2fe;
        background: linear-gradient(180deg, #faf5ff 0%, #eef2ff 100%);
        box-shadow:
            0 2px 4px rgba(15, 23, 42, 0.06),
            0 6px 18px rgba(79, 70, 229, 0.16);
    }
    body.site-header-v2 .mobile-menu-btn:active {
        transform: scale(0.94);
    }
    body.site-header-v2 .mobile-menu-btn:focus-visible {
        outline: 2px solid #6366f1;
        outline-offset: 2px;
    }
    body.site-header-v2 .mobile-menu-btn span {
        display: block;
        width: 20px;
        height: 2.5px;
        margin: 0;
        background: linear-gradient(90deg, #4338ca 0%, #6366f1 100%);
        border-radius: 999px;
        box-shadow: 0 0 0 0 transparent;
        transition:
            transform 0.3s cubic-bezier(0.4, 0, 0.2, 1),
            opacity 0.2s ease,
            width 0.2s ease,
            background 0.2s ease;
        transform-origin: center;
    }
    body.site-header-v2.nav-open .mobile-menu-btn {
        background: linear-gradient(180deg, #eef2ff 0%, #e0e7ff 100%);
        border-color: #a5b4fc;
        box-shadow:
            0 2px 6px rgba(79, 70, 229, 0.12),
            0 8px 20px rgba(79, 70, 229, 0.18);
    }
    body.site-header-v2.nav-open .mobile-menu-btn span {
        background: #4338ca;
        width: 22px;
    }
    body.site-header-v2.nav-open .mobile-menu-btn span:nth-child(1) {
        transform: translateY(7.5px) rotate(45deg);
    }
    body.site-header-v2.nav-open .mobile-menu-btn span:nth-child(2) {
        opacity: 0;
        transform: scaleX(0);
    }
    body.site-header-v2.nav-open .mobile-menu-btn span:nth-child(3) {
        transform: translateY(-7.5px) rotate(-45deg);
    }
}

@media (max-width: 1100px) {
    body.site-header-v2 .nav {
        grid-template-columns: auto minmax(0, 1fr) auto;
        gap: 10px 14px;
    }
    body.site-header-v2 .nav-links {
        gap: clamp(10px, 1.4vw, 22px);
        justify-content: center;
        min-width: 0;
    }
    body.site-header-v2 .nav-menu-panel__link {
        font-size: 14px;
        white-space: nowrap;
    }
    body.site-header-v2 .nav-cabinet-btn {
        padding: 8px 12px;
        font-size: 13px;
    }
    body.site-header-v2 .nav-cabinet-btn .copy-full {
        display: none;
    }
    body.site-header-v2 .nav-cabinet-btn .copy-short {
        display: inline;
    }
}

@media (max-width: 900px) {
    body.site-header-v2 .nav-links {
        gap: 10px;
    }
    body.site-header-v2 .nav-menu-panel__link {
        font-size: 13px;
    }

    /* Войти / Кабинет: иконка + подпись (как на мобильном, без квадрата 40×40) */
    body.site-header-v2 .nav-header-actions .nav-cabinet-btn .copy-full,
    body.site-header-v2 .nav-header-actions .nav-cabinet-btn .copy-short {
        display: none !important;
    }

    body.site-header-v2 .nav-mobile-auth-btn__label {
        display: inline;
    }

    body.site-header-v2 .nav-mobile-auth-btn {
        display: inline-flex;
        align-items: center;
        justify-content: center;
        gap: 6px;
        height: 44px;
        min-height: 44px;
        width: auto;
        min-width: auto;
        padding: 0 12px;
        border-radius: 12px;
        font-size: 14px;
        font-weight: 600;
        line-height: 1;
        white-space: nowrap;
        flex-shrink: 0;
        text-shadow: none;
        transform: none;
        box-shadow: 0 1px 2px rgba(15, 23, 42, 0.06);
    }

    body.site-header-v2 .nav-mobile-auth-btn::before {
        display: none;
    }

    body.site-header-v2 .nav-mobile-auth-btn:hover {
        transform: none;
    }

    /* Войти и Кабинет — всегда основной фиолетовый стиль (как btn-primary) */
    body.site-header-v2 .nav-mobile-auth-btn--login,
    body.site-header-v2 .nav-mobile-auth-btn--cabinet {
        background: linear-gradient(135deg, #4f46e5 0%, #6366f1 100%);
        color: #ffffff;
        border: 1px solid rgba(129, 140, 248, 0.5);
    }

    body.site-header-v2 .nav-mobile-auth-btn--login:hover,
    body.site-header-v2 .nav-mobile-auth-btn--cabinet:hover {
        background: linear-gradient(135deg, #4338ca 0%, #4f46e5 100%);
        box-shadow: 0 6px 16px rgba(79, 70, 229, 0.28);
    }

    body.site-header-v2 .nav-mobile-auth-btn svg {
        flex-shrink: 0;
        color: currentColor;
    }
}

@media (max-width: 768px) {
    body.site-header-v2 .header {
        padding: 14px 0;
    }
    body.site-header-v2 .nav {
        display: flex;
        flex-wrap: nowrap;
        align-items: center;
        gap: 8px;
    }
    body.site-header-v2 .logo {
        flex: 1;
        min-width: 0;
        font-size: 19px;
    }
    body.site-header-v2 .nav-header-actions {
        display: flex;
        align-items: center;
        gap: 8px;
        flex-shrink: 0;
        margin-left: auto;
    }
    body.site-header-v2 .nav-auth-wrapper {
        display: flex !important;
        align-items: center;
    }
    body.site-header-v2 .nav-header-actions .nav-buttons:not(.hidden) {
        display: flex;
    }
    body.site-header-v2 .nav-header-actions .nav-buttons.hidden {
        display: none !important;
    }
    body.site-header-v2 .logo svg {
        width: 28px;
        height: 28px;
    }
    /* Панель меню бургера */
    body.site-header-v2 .nav-links.nav-menu-panel {
        display: flex;
        visibility: hidden;
        pointer-events: none;
        position: fixed;
        top: calc(58px + env(safe-area-inset-top, 0px));
        left: var(--site-header-gutter);
        right: var(--site-header-gutter);
        z-index: 1101;
        flex-direction: column;
        gap: 4px;
        margin: 0;
        padding: 0;
        list-style: none;
        border-radius: 22px;
        background: linear-gradient(165deg, #ffffff 0%, #f8faff 55%, #f5f3ff 100%);
        border: 1px dashed rgba(165, 180, 252, 0.9);
        box-shadow:
            0 28px 64px rgba(79, 70, 229, 0.2),
            0 10px 28px rgba(15, 23, 42, 0.1),
            inset 0 1px 0 rgba(255, 255, 255, 0.95);
        max-height: none;
        overflow: visible;
        opacity: 0;
        transform: translateY(-10px) scale(0.98);
        transition:
            opacity 0.28s cubic-bezier(0.4, 0, 0.2, 1),
            transform 0.32s cubic-bezier(0.4, 0, 0.2, 1),
            visibility 0.28s;
    }

    body.site-header-v2.nav-open .nav-links.nav-menu-panel {
        visibility: visible;
        pointer-events: auto;
        opacity: 1;
        transform: translateY(0) scale(1);
    }

    body.site-header-v2 .nav-menu-panel__title {
        display: block;
        padding: 12px 16px 8px;
        margin: 0;
        font-family: var(--font-heading);
        font-size: 11px;
        font-weight: 700;
        letter-spacing: 0.14em;
        text-transform: uppercase;
        color: #6366f1;
        border-bottom: 1px solid rgba(226, 232, 240, 0.85);
    }

    body.site-header-v2 .nav-menu-panel__title::before {
        content: '';
        display: inline-block;
        width: 18px;
        height: 2px;
        margin-right: 8px;
        vertical-align: middle;
        background: linear-gradient(90deg, #4f46e5, #a5b4fc);
        border-radius: 999px;
    }

    body.site-header-v2 .nav-menu-panel__item {
        padding: 0 6px;
        opacity: 1;
        transform: none;
    }

    body.site-header-v2 .nav-menu-panel__item:last-child {
        padding-bottom: 8px;
    }

    body.site-header-v2 .nav-menu-panel__link {
        display: flex;
        align-items: center;
        gap: 12px;
        padding: 9px 10px;
        border-radius: 14px;
        font-family: var(--font-heading);
        font-size: 16px;
        font-weight: 600;
        line-height: 1.25;
        color: #1e293b;
        text-decoration: none;
        transition:
            background 0.2s ease,
            color 0.2s ease,
            transform 0.2s ease,
            box-shadow 0.2s ease;
    }

    body.site-header-v2 .nav-menu-panel__icon {
        display: flex;
        align-items: center;
        justify-content: center;
        flex-shrink: 0;
        width: 36px;
        height: 36px;
        border-radius: 12px;
        background: linear-gradient(145deg, #ffffff 0%, #eef2ff 100%);
        border: 1px solid rgba(199, 210, 254, 0.95);
        color: #4f46e5;
        box-shadow: 0 4px 12px rgba(79, 70, 229, 0.1);
        transition:
            background 0.2s ease,
            border-color 0.2s ease,
            color 0.2s ease,
            transform 0.2s ease;
    }

    body.site-header-v2 .nav-menu-panel__link:hover,
    body.site-header-v2 .nav-menu-panel__link:focus-visible {
        background: rgba(238, 242, 255, 0.85);
        color: #4338ca;
        transform: translateX(4px);
        box-shadow: inset 3px 0 0 #6366f1;
    }

    body.site-header-v2 .nav-menu-panel__link:hover .nav-menu-panel__icon,
    body.site-header-v2 .nav-menu-panel__link:focus-visible .nav-menu-panel__icon {
        background: linear-gradient(145deg, #eef2ff 0%, #e0e7ff 100%);
        border-color: #a5b4fc;
        color: #4338ca;
        transform: scale(1.05);
    }

    body.site-header-v2 .nav-menu-panel__link:active {
        transform: translateX(2px);
    }

}

@media (prefers-reduced-motion: reduce) {
    body.site-header-v2 .nav-backdrop,
    body.site-header-v2 .nav-links.nav-menu-panel,
    body.site-header-v2 .nav-menu-panel__link,
    body.site-header-v2 .nav-menu-panel__icon {
        transition: none;
    }
}

@media (max-width: 520px) {
    body.site-header-v2 .nav-header-actions {
        gap: 6px;
    }

    /* Узкий экран: только иконка, подпись в aria-label */
    body.site-header-v2 .nav-mobile-auth-btn__label {
        display: none;
    }

    body.site-header-v2 .nav-mobile-auth-btn {
        width: 44px;
        min-width: 44px;
        padding: 0;
        gap: 0;
    }

    body.site-header-v2 .nav-mobile-auth-btn svg {
        display: block;
    }
}