@import url('https://fonts.googleapis.com/css2?family=Roboto:ital,wght@0,100..900;1,100..900&display=swap');

:root {
    --header-bg: #ffffff;
    --header-text: #0f1d2f;
    --header-muted: #5e6e81;
    --submenu-bg: #ffffff;
    --submenu-hover: #163257;
    --forum-bg: #0076b1;
    --forum-bg-hover: #00689c;
    --drawer-overlay: rgba(0, 0, 0, 0.46);
    --header-height: 84px;
}

body.drawer-open {
    overflow: hidden;
}

body.search-open {
    overflow: hidden;
}

.site-header {
    position: sticky;
    top: 0;
    z-index: 1200;
    width: 100%;
    background: var(--header-bg);
    color: var(--header-text);
    border-bottom: 1px solid rgba(15, 29, 47, 0.14);
}

.site-header__inner {
    min-height: var(--header-height);
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: flex-start;
    padding-left: 1.5rem;
    padding-right: 1.5rem;
    gap: 1rem;
}

.site-header__left {
    display: flex;
    align-items: center;
    gap: 1.1rem;
    flex: 1 1 auto;
    min-width: 0;
}

.site-header__logo {
    display: inline-flex;
    align-items: center;
}

.site-header__logo img {
    display: block;
    width: auto;
    height: 62px;
}

.site-header__nav {
    flex: 1 1 auto;
    min-width: 0;
}

.site-header__menu {
    list-style: none;
    display: flex;
    align-items: center;
    flex-wrap: nowrap;
    gap: 0.65rem;
}

.site-header__item {
    position: relative;
}

.site-header__link {
    display: inline-flex;
    align-items: center;
    white-space: nowrap;
    color: var(--header-text);
    text-decoration: none;
    font-size: clamp(0.92rem, 0.45vw + 0.58rem, 1.06rem);
    line-height: 1;
    padding: 0.74rem clamp(0.46rem, 0.35vw + 0.22rem, 0.88rem);
    border-radius: 4px;
    background: transparent;
    border: 0;
    font-weight: 600;
    transition: color 0.18s ease;
}

.site-header__item.is-parent>.site-header__link {
    padding-right: 1.5rem;
    position: relative;
}

.site-header__item.is-parent>.site-header__link::after {
    content: '▾';
    position: absolute;
    right: 0.58rem;
    top: 50%;
    transform: translateY(-50%);
    font-size: 0.8rem;
    color: var(--header-muted);
}

.site-header__link:hover,
.site-header__link:focus-visible {
    color: var(--submenu-hover);
}

.site-header__item--search {
    display: flex;
}

.site-header__search-toggle {
    justify-content: center;
    min-width: 44px;
    padding-left: 0.64rem;
    padding-right: 0.64rem;
}

.site-header__search-icon {
    position: relative;
    width: 19px;
    height: 19px;
    border: 2px solid currentColor;
    border-radius: 999px;
    display: inline-block;
}

.site-header__search-icon::after {
    content: '';
    position: absolute;
    width: 9px;
    height: 2px;
    background: currentColor;
    right: -7px;
    bottom: -3px;
    border-radius: 999px;
    transform: rotate(44deg);
}

.site-header__submenu-wrap {
    position: absolute;
    left: 0;
    top: 100%;
    padding-top: 0.45rem;
    opacity: 0;
    visibility: hidden;
    transform: translateY(8px);
    pointer-events: none;
    transition: opacity 0.2s ease, transform 0.2s ease;
}

.site-header__item:hover>.site-header__submenu-wrap,
.site-header__item:focus-within>.site-header__submenu-wrap {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
    pointer-events: auto;
}

.site-header__submenu {
    list-style: none;
    min-width: 250px;
    background: var(--submenu-bg);
    border: 1px solid rgba(15, 29, 47, 0.06);
    border-radius: 4px;
    padding: 0.55rem;
    box-shadow: 0 10px 24px rgba(15, 29, 47, 0.14);
}

.site-header__submenu-item {
    position: relative;
}

.site-header__submenu-link {
    background: #ffffff;
    border: 0;
    display: block;
    color: var(--header-text);
    text-decoration: none;
    border-radius: 4px;
    padding: 0.74rem 0.78rem;
    line-height: 1.25;
    font-size: 1rem;
    font-weight: 600;
    transition: color 0.18s ease;
}

.site-header__submenu-link:hover,
.site-header__submenu-link:focus-visible {
    color: var(--submenu-hover);
}

.site-header__submenu--nested {
    position: absolute;
    left: calc(100% + 0.5rem);
    top: -0.55rem;
    opacity: 0;
    visibility: hidden;
    transform: translateX(8px);
    pointer-events: none;
    transition: opacity 0.2s ease, transform 0.2s ease;
}

.site-header__submenu-item:hover>.site-header__submenu--nested,
.site-header__submenu-item:focus-within>.site-header__submenu--nested {
    opacity: 1;
    visibility: visible;
    transform: translateX(0);
    pointer-events: auto;
}

.site-header__submenu-item.is-parent>.site-header__submenu-link {
    padding-right: 1.5rem;
    position: relative;
}

.site-header__submenu-item.is-parent>.site-header__submenu-link::after {
    content: '▸';
    position: absolute;
    right: 0.58rem;
    top: 50%;
    transform: translateY(-50%);
    color: var(--header-muted);
    font-size: 0.95rem;
}

.site-header__forum {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    flex: 0 0 auto;
    min-height: 52px;
    padding: 0.9rem 1.3rem;
    border-radius: 4px;
    text-decoration: none;
    color: #ffffff;
    background-color: var(--forum-bg);
    background-image: linear-gradient(to bottom, #29b7ff 0%, #0076b1 100%);
    font-weight: 700;
    letter-spacing: 0.01em;
    transition: background-color 0.2s ease;
    margin-left: auto;
}

.site-header__forum:hover,
.site-header__forum:focus-visible {
    background-color: var(--forum-bg-hover);
}

.site-header__burger {
    display: none;
    align-items: center;
    justify-content: center;
    border: 0;
    background: transparent;
    width: 52px;
    height: 52px;
    cursor: pointer;
    border-radius: 4px;
}

.site-header__burger img {
    width: 28px;
    height: 28px;
}

.mobile-drawer {
    position: fixed;
    inset: 0;
    z-index: 1500;
    background: var(--drawer-overlay);
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    transition: opacity 0.25s ease;
}

.mobile-drawer.is-open {
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
}

.mobile-drawer__panel {
    width: 100%;
    height: 100%;
    background: #ffffff;
    color: var(--header-text);
    transform: translateX(-100%);
    transition: transform 0.28s ease;
    display: flex;
    flex-direction: column;
    overflow-y: auto;
    -webkit-overflow-scrolling: touch;
}

.mobile-drawer.is-open .mobile-drawer__panel {
    transform: translateX(0);
}

.mobile-drawer__top {
    min-height: var(--header-height);
    display: flex;
    align-items: center;
    justify-content: flex-start;
    position: relative;
    padding-left: 0.5rem;
    padding-right: 3.25rem;
    border-bottom: 0;
}

.mobile-drawer__back {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    width: fit-content;
    border: 0;
    background: transparent;
    color: var(--header-text);
    cursor: pointer;
    font-size: 1.06rem;
    font-weight: 600;
}

.mobile-drawer__back[hidden] {
    display: none !important;
}

.mobile-drawer__back-arrow {
    font-size: 1.55rem;
    transform: rotate(180deg);
    line-height: 1;
    color: var(--header-muted);
}

.mobile-drawer__title {
    display: none;
}

.mobile-drawer__close {
    position: absolute;
    right: 0.5rem;
    top: 50%;
    transform: translateY(-50%);
    border: 0;
    background: transparent;
    width: 44px;
    height: 44px;
    cursor: pointer;
}

.mobile-drawer__close img {
    width: 24px;
    height: 24px;
}

.site-search-modal {
    position: fixed;
    inset: 0;
    z-index: 1900;
    background: rgba(0, 0, 0, 0.62);
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    transition: opacity 0.24s ease;
}

.site-search-modal.is-open {
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
}

.site-search-modal__panel {
    width: 100%;
    height: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
    overflow-y: auto;
    padding: 2.6rem 1rem 2rem;
}

.site-search-modal__close {
    position: fixed;
    top: 1.25rem;
    right: 1.15rem;
    border: 0;
    background: transparent;
    width: 74px;
    height: 74px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    border-radius: 4px;
}

.site-search-modal__close img {
    width: 48px;
    height: 48px;
    filter: brightness(0) invert(1);
}

.site-search-modal__content {
    width: min(980px, 100%);
    margin-top: 1.8rem;
    background: #ffffff;
    border-radius: 8px;
    padding: 1.3rem;
    box-shadow: 0 20px 54px rgba(12, 27, 46, 0.26);
}

.site-search-modal__title {
    margin: 0;
    color: #0f1d2f;
    font-size: clamp(1.4rem, 3vw, 2rem);
    font-weight: 700;
}

.site-search-modal__form {
    margin-top: 1rem;
    display: flex;
    gap: 0.65rem;
}

.site-search-modal__input {
    width: 100%;
    min-height: 54px;
    border: 1px solid rgba(15, 29, 47, 0.22);
    border-radius: 6px;
    padding: 0.7rem 0.9rem;
    font-size: 1rem;
    font-weight: 500;
    color: #0f1d2f;
    background: #ffffff;
}

.site-search-modal__input:focus-visible {
    outline: none;
    border-color: #0076b1;
    box-shadow: 0 0 0 2px rgba(0, 118, 177, 0.16);
}

.site-search-modal__submit {
    min-width: 132px;
    min-height: 54px;
    border: 0;
    border-radius: 6px;
    background-color: var(--forum-bg);
    background-image: linear-gradient(to bottom, #29b7ff 0%, #0076b1 100%);
    color: #ffffff;
    font-size: 1rem;
    font-weight: 700;
    cursor: pointer;
    transition: background-color 0.2s ease;
}

.site-search-modal__submit:hover,
.site-search-modal__submit:focus-visible {
    background-color: var(--forum-bg-hover);
}

.site-search-modal__results {
    margin-top: 1rem;
}

.site-search-modal__results-card {
    border: 1px solid rgba(15, 29, 47, 0.12);
    border-radius: 8px;
    background: #f8fbff;
    max-height: min(55vh, calc(100dvh - 260px));
    overflow-y: auto;
    -webkit-overflow-scrolling: touch;
    padding: 1rem;
}

.site-search-modal__results-info,
.site-search-modal__results-empty,
.site-search-modal__results-error {
    color: #40536a;
    font-size: 0.98rem;
    font-weight: 500;
}

.site-search-modal__group + .site-search-modal__group {
    margin-top: 1rem;
    padding-top: 0.95rem;
    border-top: 1px solid rgba(15, 29, 47, 0.08);
}

.site-search-modal__group-title {
    margin: 0;
    font-size: 1rem;
    color: #0f1d2f;
    font-weight: 700;
}

.site-search-modal__group-list {
    margin: 0.6rem 0 0;
    padding: 0;
    list-style: none;
    display: grid;
    gap: 0.38rem;
}

.site-search-modal__result-link {
    display: flex;
    justify-content: space-between;
    align-items: baseline;
    gap: 0.9rem;
    text-decoration: none;
    color: #0f1d2f;
    border-radius: 4px;
    padding: 0.4rem 0.44rem;
    transition: color 0.18s ease, background-color 0.18s ease;
}

.site-search-modal__result-link:hover,
.site-search-modal__result-link:focus-visible {
    color: #163257;
    background-color: rgba(0, 118, 177, 0.08);
}

.site-search-modal__result-title {
    font-weight: 600;
}

.site-search-modal__result-meta {
    color: #59708b;
    font-size: 0.86rem;
    font-weight: 600;
    white-space: nowrap;
}

.mobile-drawer__body {
    flex: 1;
    display: flex;
    flex-direction: column;
    padding: 0.42rem 0.5rem 0.62rem;
    gap: 0.18rem;
    overflow-y: auto;
}

.mobile-drawer__list {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 0;
}

.mobile-drawer__item {
    width: 100%;
}

.mobile-drawer__next,
.mobile-drawer__link {
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
    min-height: 48px;
    text-decoration: none;
    color: var(--header-text);
    border: 0;
    border-radius: 4px;
    background: #ffffff;
    padding: 0.6rem 0.9rem;
    font-size: 1.08rem;
    font-weight: 600;
    transition: color 0.18s ease;
}

.mobile-drawer__next {
    cursor: pointer;
}

.mobile-drawer__next::after {
    content: '▸';
    font-size: 1.55rem;
    line-height: 1;
    color: var(--header-muted);
}

.mobile-drawer__next:hover,
.mobile-drawer__next:focus-visible,
.mobile-drawer__link:hover,
.mobile-drawer__link:focus-visible {
    color: var(--submenu-hover);
}

.mobile-drawer__item--search {
    margin-top: 0.15rem;
}

.mobile-drawer__search-btn {
    width: 100%;
    display: flex;
    align-items: center;
    gap: 0.75rem;
    min-height: 48px;
    border: 0;
    border-radius: 4px;
    background: #ffffff;
    padding: 0.6rem 0.9rem;
    font-size: 1.08rem;
    font-weight: 600;
    color: var(--header-text);
    cursor: pointer;
    transition: color 0.18s ease;
}

.mobile-drawer__search-btn:hover,
.mobile-drawer__search-btn:focus-visible {
    color: var(--submenu-hover);
}

.mobile-drawer__search-icon {
    position: relative;
    width: 18px;
    height: 18px;
    border: 2px solid currentColor;
    border-radius: 999px;
    display: inline-block;
    flex: 0 0 auto;
}

.mobile-drawer__search-icon::after {
    content: '';
    position: absolute;
    width: 8px;
    height: 2px;
    background: currentColor;
    right: -7px;
    bottom: -2px;
    border-radius: 999px;
    transform: rotate(44deg);
}

@media (max-width: 1420px) {
    .site-header__inner {
        gap: 0.82rem;
    }

    .site-header__left {
        gap: 0.84rem;
    }

    .site-header__menu {
        gap: 0.2rem;
    }

    .site-header__link {
        font-size: 0.9rem;
        padding: 0.62rem 0.48rem;
    }

    .site-header__search-toggle {
        min-width: 38px;
        padding-left: 0.44rem;
        padding-right: 0.44rem;
    }

    .site-header__forum {
        min-height: 48px;
        padding: 0.7rem 0.9rem;
        font-size: 0.88rem;
    }
}

@media (max-width: 1280px) {
    .site-header__inner {
        gap: 0.86rem;
    }

    .site-header__left {
        gap: 0.9rem;
    }

    .site-header__menu {
        gap: 0.3rem;
    }

    .site-header__link {
        font-size: 0.98rem;
        padding: 0.7rem 0.68rem;
    }

    .site-header__forum {
        padding: 0.82rem 1.08rem;
        font-size: 0.96rem;
    }
}

@media (max-width: 1248px) {
    .site-header__menu {
        gap: 0.16rem;
    }

    .site-header__link {
        font-size: 0.92rem;
        padding: 0.62rem 0.52rem;
    }

    .site-header__search-toggle {
        min-width: 40px;
        padding-left: 0.5rem;
        padding-right: 0.5rem;
    }

    .site-header__forum {
        min-height: 48px;
        padding: 0.68rem 0.9rem;
        font-size: 0.89rem;
    }
}

@media (max-width: 1188px) {
    .site-header__inner {
        gap: 0.7rem;
    }

    .site-header__left {
        gap: 0.72rem;
    }

    .site-header__menu {
        gap: 0.12rem;
    }

    .site-header__link {
        font-size: 0.84rem;
        padding: 0.54rem 0.42rem;
    }

    .site-header__forum {
        min-height: 46px;
        padding: 0.58rem 0.8rem;
        font-size: 0.86rem;
    }
}

@media (max-width: 1120px) {
    .site-header__inner {
        padding-left: 0.5rem;
        padding-right: 0.5rem;
    }

    .site-header__left {
        gap: 0.65rem;
    }

    .site-header__nav {
        display: none;
    }

    .site-header__forum {
        margin-left: auto;
        min-height: 44px;
        padding: 0.62rem 0.95rem;
        font-size: 0.94rem;
    }

    .site-header__burger {
        display: inline-flex;
        margin-left: 0;
    }

    .site-header__logo img {
        height: 58px;
    }

    .site-search-modal__panel {
        padding-top: 1.65rem;
    }

    .site-search-modal__content {
        margin-top: 1.2rem;
    }
}

@media (max-width: 720px) {
    .site-header__inner {
        min-height: 74px;
    }

    .site-header__logo img {
        height: 52px;
    }

    .site-search-modal__close {
        top: 1.45rem;
        right: 0.48rem;
    }

    .site-search-modal__content {
        margin-top: 4.2rem;
        padding: 1rem;
    }

    .site-search-modal__form {
        flex-direction: column;
    }

    .site-search-modal__submit {
        width: 100%;
        min-width: 0;
    }

    .site-search-modal__results-card {
        max-height: min(62vh, calc(100dvh - 300px));
    }

    .site-search-modal__result-link {
        flex-direction: column;
        align-items: flex-start;
        gap: 0.1rem;
    }

    .site-search-modal__result-meta {
        white-space: normal;
    }
}