.main-header {
    top: 0;
    z-index: 50;
    background-color: var(--bg-header);
    border-bottom: 1px solid var(--header-border);
    box-shadow: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    transition: background-color 0.3s, border-color 0.3s;

}

.main-header-container {
    margin-left: auto;
    margin-right: auto;
    max-width: 80rem;
    padding-left: 2rem;
    padding-right: 2rem;
    height: 4rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.main-header-logo {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    flex-shrink: 0;
    cursor: pointer;
    margin-right: 2rem;
}

.main-header-logo .icon {
    color: var(--header-logo-icon);
    transition: transform 0.15s cubic-bezier(0.4, 0, 0.2, 1);
    width: 1.5rem;
    height: 1.5rem;
}

.main-header-logo:hover .icon {
    transform: scale(1.1);
}

.main-header-logo span {
    font-weight: 700;
    font-size: 1.25rem;
    line-height: 1.75rem;
    letter-spacing: -0.025em;
}

.main-header-icon-button {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0.5rem;
    border-radius: 9999px;
    cursor: pointer;
    transition: background-color 0.2s;
}

.main-header-icon-button:hover {
    background-color: var(--header-icon-button-hover-bg);
}

.main-header-icon-button .icon {
    color: var(--header-icon-button);
    width: 1.5rem;
    height: 1.5rem;
}

.navigation-menu {
    display: flex;
    gap: 1.5rem;
}

.navigation-menu .link {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-weight: 500;
    padding-top: 1.25rem;
    padding-bottom: 1.25rem;
    border-bottom: 2px solid transparent;
    color: var(--navigation-menu-link);
    transition: color 0.2s, border-color 0.2s;
}

.navigation-menu .link .icon {
    color: var(--navigation-menu-link);
    width: 1rem;
    height: 1rem;
}

.navigation-menu .link:hover,
.navigation-menu .link:hover .icon {
    color: var(--navigation-menu-link-hover);
}

.navigation-menu .link:hover {
    border-bottom: 2px solid var(--navigation-menu-link-border-hover);
}

.navigation-menu .link.active {
    color: var(--navigation-menu-link-active);
    border-bottom: 2px solid var(--navigation-menu-link-border-active);
}

.navigation-menu .link.active .icon {
    color: var(--navigation-menu-link-active);
}

body:has(.burger-toggle:checked, .language-toggle:checked, .theme-toggle:checked) {
    overflow: hidden;
}

.burger-toggle,
.language-toggle,
.theme-toggle {
    display: none;
}

.burger-toggle-overlay,
.language-picker-overlay,
.theme-picker-overlay {
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 50;
    visibility: hidden;
    position: fixed;
    inset: 0;
    background-color: rgba(0, 0, 0, 0.6);
    opacity: 0;
    transition:
        opacity 0.3s ease,
        visibility 0s linear 0.3s;
}

.burger-toggle:checked~.burger-toggle-overlay,
.language-toggle:checked~.language-picker-overlay,
.theme-toggle:checked~.theme-picker-overlay {
    opacity: 1;
    visibility: visible;
    transition: opacity 0.3s ease;
}

.mobile-drawer-body .navigation-menu {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.mobile-drawer-body .navigation-menu .link {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-weight: 500;
    padding: 0.75rem;
    border: none;
    border-radius: 0.5rem;
    color: var(--drawer-link-text);
    transition: background-color 0.2s;
    cursor: pointer;
}

.mobile-drawer-header .main-header-logo {
    margin-right: 0;
}

.mobile-drawer-body .navigation-menu .link:hover {
    border: none;
    background-color: var(--drawer-link-hover-bg);
}

.mobile-drawer-body .navigation-menu .link.active {
    border: none;
    color: var(--drawer-link-active);
    background-color: var(--drawer-link-active-bg);
}

.mobile-drawer-body .navigation-menu .link.active .icon {
    color: var(--drawer-link-active);
}

.mobile-drawer {
    position: fixed;
    top: 0;
    bottom: 0;
    left: 0;
    width: 16rem;
    background-color: var(--drawer-bg);
    z-index: 50;
    padding: 0;
    transform: translateX(-100%);
    transition: transform 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    display: flex;
    flex-direction: column;
}

.burger-toggle:checked~.mobile-drawer {
    transform: translateX(0);
}

.mobile-drawer-header {
    padding: 1rem;
    border-bottom: 1px solid var(--drawer-border);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.mobile-drawer-close-button,
.dialog-close-button {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0.5rem;
    border-radius: 9999px;
    cursor: pointer;
    background-color: var(--header-icon-button-hover-bg);
}

.mobile-drawer-close-button .icon,
.dialog-close-button .icon {
    color: var(--header-icon-button);
    width: 1.25rem;
    height: 1.25rem;
}

.mobile-drawer-body {
    flex: 1;
    padding: 1.5rem 1rem;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    overflow-y: auto;
}

.language-picker,
.theme-picker {
    position: fixed;
    width: 420px;
    max-height: 80vh;
    z-index: 50;
    padding: 0;
    top: 50%;
    left: 50%;
    opacity: 0;
    visibility: hidden;
    transform: translate(-50%, -50%) scale(0.4);
    transition:
        transform 0.4s cubic-bezier(0.4, 0, 0.2, 1),
        opacity 0.3s ease,
        visibility 0s linear 0.4s;
    display: flex;
    flex-direction: column;
    background-color: var(--dialog-bg);
    border-radius: 24px;
    box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    border: 1px solid var(--dialog-border);
    overflow: hidden;
}

.language-toggle:checked~.language-picker,
.theme-toggle:checked~.theme-picker {
    opacity: 1;
    visibility: visible;
    transform: translate(-50%, -50%) scale(1);
    transition:
        transform 0.4s cubic-bezier(0.4, 0, 0.2, 1),
        opacity 0.3s ease,
        visibility 0s;
}

.dialog-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 24px;
    gap: 2rem;
    border-bottom: 1px solid var(--dialog-border);
    font-size: 1.25rem;
    font-weight: 700;
}

.dialog-body {
    overflow: auto;
    background-color: var(--dialog-bg);
    padding: 24px;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.divider {
    margin-top: 1rem;
    padding-top: 1rem;
    border-top: 1px solid var(--dialog-border);
}

.dialog-option-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 16px;
    border-radius: 16px;
    border: 1px solid var(--dialog-border);
    background-color: transparent;
    transition: all 0.2s;
    width: 100%;
}

.dialog-option-item:hover {
    background-color: var(--option-hover);
}

.dialog-option-item.active {
    background-color: var(--option-active-bg);
    border-color: var(--option-active-border);
}

.dialog-option-item .icon,
.dialog-option-item .icon-lang {
    width: 1.5rem;
    height: 1.5rem;
}

.dialog-option-item .row {
    display: flex;
    align-items: center;
    gap: 16px;
    font-size: 1.125rem;
    font-weight: 500;
}

.dialog-option-item-radio {
    width: 1.5rem;
    height: 1.5rem;
    border-radius: 50%;
    border: 2px solid var(--dialog-border);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s;
}

.dialog-option-item-radio .icon {
    width: 0.75rem;
    height: 0.75rem;
    color: transparent;
}

.dialog-option-item.active .dialog-option-item-radio .icon {
    width: 0.75rem;
    height: 0.75rem;
    color: #FFFFFF;
}

.dialog-option-item.active .dialog-option-item-radio {
    background-color: var(--color-accent);
    border-color: var(--color-accent);
}

.cookie-banner {
    position: fixed;
    z-index: 49;
    padding: 24px;
    width: 614px;
    bottom: 0;
    left: 50%;
    opacity: 0;
    visibility: hidden;
    transform: translate(-50%, -24px) scale(0.4);
    transition:
        transform 0.4s cubic-bezier(0.4, 0, 0.2, 1),
        opacity 0.3s ease,
        visibility 0s linear 0.4s;
    display: flex;
    flex-direction: column;
    align-items: center;
    background-color: var(--dialog-bg);
    border-radius: 24px;
    box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    border: 1px solid var(--dialog-border);
}

.cookie-banner.show {
    opacity: 1;
    visibility: visible;
    transform: translate(-50%, -24px) scale(1);
    transition:
        transform 0.4s cubic-bezier(0.4, 0, 0.2, 1),
        opacity 0.3s ease,
        visibility 0s;
}

.cookie-banner h3 {
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: 12px;
    text-align: center;
}

.cookie-banner p {
    color: var(--text-muted);
    font-size: 1rem;
    text-align: center;
    margin-bottom: 12px;
}

.button-primary {
    background-color: var(--color-accent);
    color: #FFFFFF;
    padding: 10px 20px;
    border-radius: 10px;
    font-weight: 600;
    transition: background-color 0.2s, transform 0.1s;
}

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

.button-primary:active {
    transform: scale(0.98);
}

.main-404 {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding-top: 3rem;
    padding-bottom: 3rem;
    text-align: center;
    overflow-y: auto;
}

.text-404-code {
    font-size: 8rem;
    line-height: 1;
    font-weight: 800;
    color: var(--title-404);
    margin-bottom: 1rem;
    letter-spacing: -0.05em;
}

.text-404-code span {
    color: var(--color-accent);
}

.text-404-title {
    font-size: 1.875rem;
    line-height: 2.25rem;
    font-weight: 700;
    color: var(--subtitle-404);
    margin-bottom: 1rem;
}

.text-404-desc {
    color: var(--text-404);
    max-width: 32rem;
    margin-left: auto;
    margin-right: auto;
    margin-bottom: 2.5rem;
    font-size: 1.125rem;
    line-height: 1.625rem;
}

.back-to-top {
    position: fixed;
    bottom: 24px;
    right: 2rem;
    border-radius: 10px;
    padding: 15px;
    background-color: var(--color-accent);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 49;
    opacity: 0;
    visibility: hidden;
    transform: translateY(20px);
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

.back-to-top.show {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.back-to-top:hover {
    background-color: var(--color-accent-hover);
}

.back-to-top .icon {
    color: #FFFFFF;
    width: 1.5rem;
    height: 1.5rem;
}

.mobile {
    display: none;
}

.full {
    display: flex;
}

.row {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

main {
    padding-left: 2rem;
    padding-right: 2rem;
    padding-top: 3rem;
    padding-bottom: 3rem;
    max-width: 80rem;
    margin-left: auto;
    margin-right: auto;
}

.overflow {
    overflow: auto;
    flex: 1;
}