.sd-header {
    background-color: var(--sd-bg-primary);
    border-bottom: 1px solid var(--sd-border);
    position: sticky;
    top: 0;
    z-index: 50;

    padding-top: env(safe-area-inset-top, 0);
}

.sd-header__nav {
    max-width: 80rem;
    margin: 0 auto;
    padding: 0 1rem;
}

@media (min-width: 640px) {
    .sd-header__nav {
        padding: 0 1.5rem;
    }
}

@media (min-width: 1024px) {
    .sd-header__nav {
        padding: 0 2rem;
    }
}

.sd-header__container {
    display: flex;

    height: 3.5rem;
    justify-content: space-between;
    align-items: center;
}

@media (min-width: 768px) {
    .sd-header__container {
        height: 4rem;
    }
}

.sd-header__logo {
    flex-shrink: 0;
}

.sd-header__logo-link {
    display: flex;
    align-items: center;
    gap: 0.5rem;

    padding: 0.5rem 0;
    margin: -0.5rem 0;
}

.sd-header__logo-img {
    height: 1.75rem;
    width: auto;
}

@media (min-width: 640px) {
    .sd-header__logo-img {
        height: 2rem;
    }
}

.sd-header__logo-text {
    font-size: 1.125rem;
    font-weight: 700;
    color: var(--sd-text-primary);
}

@media (min-width: 640px) {
    .sd-header__logo-text {
        font-size: 1.25rem;
    }
}

.sd-header__logo-text span {
    color: var(--sd-lime);
}

.sd-header__menu {
    display: none;
}

@media (min-width: 768px) {
    .sd-header__menu {
        display: flex;
        align-items: center;
        gap: 0.25rem;
    }
}

.sd-header__menu-link {
    color: var(--sd-text-secondary);
    padding: 0.5rem 0.75rem;
    border-radius: var(--sd-radius-lg);
    font-size: 0.875rem;
    font-weight: 500;
    transition: all var(--sd-transition);
    white-space: nowrap;
}

@media (min-width: 1024px) {
    .sd-header__menu-link {
        padding: 0.5rem 1rem;
    }
}

@media (hover: hover) {
    .sd-header__menu-link:hover {
        color: var(--sd-text-primary);
        background-color: var(--sd-bg-elevated);
    }
}

.sd-header__menu-link:active {
    color: var(--sd-text-primary);
    background-color: var(--sd-bg-elevated);
}

.sd-header__cta {
    display: none;
}

@media (min-width: 480px) {
    .sd-header__cta {
        display: flex;
        align-items: center;
        gap: 0.75rem;
    }
}

@media (min-width: 768px) {
    .sd-header__cta {
        gap: 1rem;
    }
}

.sd-header__demo-counter {
    display: none;
    color: var(--sd-cta);
    font-size: 0.75rem;
    font-weight: 500;
}

@media (min-width: 768px) {
    .sd-header__demo-counter {
        display: block;
        font-size: 0.875rem;
    }
}

.sd-header__mobile-btn {
    display: flex;
    align-items: center;
    justify-content: center;

    width: 2.75rem;
    height: 2.75rem;
    margin-right: -0.5rem;
    border-radius: var(--sd-radius-md);
    color: var(--sd-text-muted);
    background: transparent;
    border: none;
    cursor: pointer;
    transition: all var(--sd-transition);
}

.sd-header__mobile-btn:active {
    background-color: var(--sd-bg-elevated);
    color: var(--sd-text-primary);
}

@media (min-width: 768px) {
    .sd-header__mobile-btn {
        display: none;
    }
}

.sd-header__mobile-btn svg {
    width: 1.5rem;
    height: 1.5rem;
}

.sd-header__mobile-menu {
    border-top: 1px solid var(--sd-border);

    margin: 0 -1rem;
    padding: 0 1rem;
    max-height: calc(100vh - 3.5rem);
    overflow-y: auto;
}

@media (min-width: 768px) {
    .sd-header__mobile-menu {
        display: none !important;
    }
}

.sd-header__mobile-menu-inner {
    padding: 0.75rem 0;
}

.sd-header__mobile-link {
    display: flex;
    align-items: center;

    width: 100%;

    min-height: 2.75rem;
    padding: 0.625rem 0.5rem;
    font-size: 1rem;
    font-weight: 500;
    color: var(--sd-text-secondary);
    border-radius: var(--sd-radius-lg);
    transition: all var(--sd-transition);
}

.sd-header__mobile-link:active {
    background-color: var(--sd-bg-elevated);
    color: var(--sd-text-primary);
}

.sd-header__mobile-cta {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    min-height: 3rem;
    margin-top: 0.75rem;
    font-size: 1rem;
    font-weight: 600;
    color: white;
    background-color: var(--sd-cta);
    border-radius: var(--sd-radius-lg);
    transition: background-color var(--sd-transition);
}

.sd-header__mobile-cta:active {
    background-color: var(--sd-cta-hover);
}

.sd-header__actions {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

@media (min-width: 768px) {
    .sd-header__actions {
        gap: 0.75rem;
    }
}

.sd-header__action-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 2.5rem;
    height: 2.5rem;
    border-radius: var(--sd-radius-md);
    color: var(--sd-text-muted);
    background: transparent;
    border: none;
    cursor: pointer;
    transition: all var(--sd-transition);
}

.sd-header__action-btn:hover,
.sd-header__action-btn:active {
    background-color: var(--sd-bg-elevated);
    color: var(--sd-text-primary);
}

.sd-header__action-btn svg {
    width: 1.25rem;
    height: 1.25rem;
}

.sd-header__age-badge {
    display: none;
    padding: 0.25rem 0.5rem;
    font-size: 0.6875rem;
    font-weight: 700;
    color: white;
    background: linear-gradient(135deg, #cf2e2e 0%, #a31b1b 100%);
    border-radius: var(--sd-radius-sm);
}

@media (min-width: 480px) {
    .sd-header__age-badge {
        display: block;
    }
}

.sd-header__lang {
    position: relative;
    display: none;
}

@media (min-width: 768px) {
    .sd-header__lang {
        display: block;
    }
}

.sd-header__lang-btn {
    display: flex;
    align-items: center;
    gap: 0.25rem;
    padding: 0.375rem 0.5rem;
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--sd-text-secondary);
    background: transparent;
    border: 1px solid var(--sd-border);
    border-radius: var(--sd-radius-md);
    cursor: pointer;
    transition: all var(--sd-transition);
}

.sd-header__lang-btn:hover {
    border-color: var(--sd-purple);
    color: var(--sd-text-primary);
}

.sd-header__lang-btn svg {
    width: 0.75rem;
    height: 0.75rem;
}

.sd-header__lang-dropdown {
    position: absolute;
    top: 100%;
    right: 0;
    margin-top: 0.5rem;
    min-width: 5rem;
    background-color: var(--sd-bg-card);
    border: 1px solid var(--sd-border);
    border-radius: var(--sd-radius-md);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
    overflow: hidden;
    z-index: 100;
}

.sd-header__lang-option {
    display: block;
    padding: 0.5rem 0.75rem;
    font-size: 0.8125rem;
    font-weight: 500;
    color: var(--sd-text-secondary);
    transition: all var(--sd-transition);
}

.sd-header__lang-option:hover {
    background-color: var(--sd-bg-elevated);
    color: var(--sd-text-primary);
}

.sd-header__lang-option--active {
    color: var(--sd-lime);
}

.sd-header__search-dropdown {
    border-top: 1px solid var(--sd-border);
    padding: 0.75rem 0;
}

.sd-header__search-form {
    display: flex;
    gap: 0.5rem;
    max-width: 32rem;
    margin: 0 auto;
}

.sd-header__search-input {
    flex: 1;
    min-height: 2.75rem;
    padding: 0.625rem 1rem;
    font-size: 1rem;
    color: var(--sd-text-primary);
    background-color: var(--sd-bg-card);
    border: 1px solid var(--sd-border);
    border-radius: var(--sd-radius-full);
    transition: all var(--sd-transition);
}

.sd-header__search-input::placeholder {
    color: var(--sd-text-muted);
}

.sd-header__search-input:focus {
    outline: none;
    border-color: var(--sd-purple);
    box-shadow: 0 0 0 3px var(--sd-purple-glow);
}

.sd-header__search-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 2.75rem;
    height: 2.75rem;
    background-color: var(--sd-purple);
    border: none;
    border-radius: 50%;
    color: white;
    cursor: pointer;
    transition: all var(--sd-transition);
}

.sd-header__search-btn:hover {
    background-color: var(--sd-purple-light);
}

.sd-header__search-btn svg {
    width: 1.25rem;
    height: 1.25rem;
}

.sd-header__mobile-search {
    margin-top: 0.75rem;
    padding-top: 0.75rem;
    border-top: 1px solid var(--sd-border);
}

.sd-header__mobile-search-input {
    width: 100%;
    min-height: 2.75rem;
    padding: 0.625rem 1rem;
    font-size: 1rem;
    color: var(--sd-text-primary);
    background-color: var(--sd-bg-card);
    border: 1px solid var(--sd-border);
    border-radius: var(--sd-radius-full);
}

.sd-header__mobile-search-input::placeholder {
    color: var(--sd-text-muted);
}

.sd-header__mobile-search-input:focus {
    outline: none;
    border-color: var(--sd-purple);
}

.sd-header__mobile-age {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-top: 0.75rem;
    padding-top: 0.75rem;
    border-top: 1px solid var(--sd-border);
    font-size: 0.8125rem;
    color: var(--sd-text-muted);
}

[x-cloak] {
    display: none !important;
}