.site-header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    min-height: var(--header-height);
    z-index: 400;
    transition: background 0.35s ease, backdrop-filter 0.35s ease, border-color 0.35s ease;
    background: transparent;
    border-bottom: 1px solid transparent;
}

.site-header::after {
    content: "";
    position: absolute;
    left: 0;
    bottom: 0;
    width: 100%;
    height: 1px;
    background: transparent;
    pointer-events: none;
}

.site-header.is-scrolled {
    background: rgba(5, 5, 5, 0.78);
    backdrop-filter: blur(18px);
    -webkit-backdrop-filter: blur(18px);
    border-bottom-color: transparent;
}

.site-header.is-scrolled::after {
    background: rgba(255, 255, 255, 0.06);
}

.site-header__inner {
    min-height: var(--header-height);
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 18px;
}

.site-brand {
    display: inline-flex;
    align-items: center;
    position: relative;
    z-index: 2;
    flex-shrink: 0;
}

.site-brand__logo {
    display: block;
    width: auto;
    height: 42px;
    max-width: 100%;
    object-fit: contain;
}

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

.mobile-menu-toggle {
    width: 50px;
    height: 50px;
    border-radius: 18px;
    border: 1px solid rgba(255, 255, 255, 0.08);
    background: rgba(255, 255, 255, 0.02);
    display: inline-flex;
    flex-direction: column;
    justify-content: center;
    gap: 5px;
    padding: 0 13px;
    transition: var(--transition);
    flex-shrink: 0;
}

.mobile-menu-toggle:hover {
    border-color: rgba(182, 212, 51, 0.22);
    background: rgba(182, 212, 51, 0.05);
}

.mobile-menu-toggle span {
    width: 100%;
    height: 2px;
    border-radius: 999px;
    background: #ffffff;
    display: block;
}

.menu-overlay-panel {
    position: fixed;
    inset: 0;
    z-index: 9999;
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    transition:
        opacity 0.38s ease,
        visibility 0.38s ease;
    background:
        radial-gradient(circle at 80% 20%, rgba(182, 212, 51, 0.12), transparent 18%),
        radial-gradient(circle at 45% 60%, rgba(182, 212, 51, 0.08), transparent 18%),
        linear-gradient(180deg, rgba(0,0,0,0.96) 0%, rgba(0,0,0,0.985) 100%);
    backdrop-filter: blur(18px);
    -webkit-backdrop-filter: blur(18px);
}

.menu-overlay-panel__inner {
    min-height: 100vh;
    padding: 28px 0 28px;
    transform: translateY(-24px) scaleY(0.96);
    transform-origin: top center;
    opacity: 0;
    transition:
        transform 0.48s cubic-bezier(0.22, 1, 0.36, 1),
        opacity 0.38s ease;
}

.menu-overlay-panel.is-active {
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
}

.menu-overlay-panel.is-active .menu-overlay-panel__inner {
    transform: translateY(0) scaleY(1);
    opacity: 1;
}

.menu-overlay-panel__top {
    min-height: 56px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 18px;
    margin-bottom: 24px;
}

.menu-overlay-panel__close {
    width: 50px;
    height: 50px;
    border-radius: 18px;
    border: 1px solid rgba(182, 212, 51, 0.18);
    background: rgba(182, 212, 51, 0.04);
    color: var(--color-accent);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 1.05rem;
    transition: var(--transition);
    flex-shrink: 0;
}

.menu-overlay-panel__close:hover {
    transform: rotate(90deg);
    background: rgba(182, 212, 51, 0.08);
}

.menu-overlay-nav {
    border-top: 1px solid rgba(255, 255, 255, 0.06);
}

.menu-overlay-nav__item {
    min-height: 92px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 20px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.06);
    transition: var(--transition);
}

.menu-overlay-nav__item:hover {
    padding-left: 8px;
}

.menu-overlay-nav__title-wrap {
    display: inline-flex;
    align-items: baseline;
    gap: 12px;
    flex-wrap: wrap;
}

.menu-overlay-nav__title {
    font-size: clamp(2.5rem, 9vw, 6.2rem);
    font-weight: 800;
    line-height: 0.9;
    letter-spacing: -0.06em;
    color: #ffffff;
    transition: color 0.28s ease;
}

.menu-overlay-nav__item.is-active .menu-overlay-nav__title {
    color: var(--color-accent);
}

.menu-overlay-nav:hover .menu-overlay-nav__item.is-active .menu-overlay-nav__title {
    color: #ffffff;
}

.menu-overlay-nav:hover .menu-overlay-nav__item:hover .menu-overlay-nav__title {
    color: var(--color-accent);
}

.menu-overlay-nav__number {
    font-size: clamp(1rem, 2vw, 1.8rem);
    font-weight: 700;
    color: rgba(255, 255, 255, 0.35);
}

.menu-overlay-nav__arrow {
    width: 48px;
    height: 48px;
    border-radius: 16px;
    border: 1px solid rgba(255, 255, 255, 0.09);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    color: #ffffff;
    flex-shrink: 0;
    transition: var(--transition);
}

.menu-overlay-nav__item.is-active .menu-overlay-nav__arrow {
    color: var(--color-accent);
    border-color: rgba(182, 212, 51, 0.22);
    background: rgba(182, 212, 51, 0.05);
}

.menu-overlay-nav:hover .menu-overlay-nav__item.is-active .menu-overlay-nav__arrow {
    color: #ffffff;
    border-color: rgba(255, 255, 255, 0.09);
    background: transparent;
}

.menu-overlay-nav:hover .menu-overlay-nav__item:hover .menu-overlay-nav__arrow {
    color: var(--color-accent);
    border-color: rgba(182, 212, 51, 0.22);
    background: rgba(182, 212, 51, 0.05);
}

.menu-overlay-panel__bottom {
    padding-top: 24px;
    display: grid;
    gap: 28px;
}

.menu-overlay-panel__socials h3,
.menu-overlay-panel__newsletter h3 {
    font-size: 1rem;
    font-weight: 700;
    color: #ffffff;
    margin-bottom: 12px;
}

.menu-overlay-panel__social-links {
    display: flex;
    flex-wrap: wrap;
    gap: 14px;
}

.menu-overlay-panel__social-links a {
    color: rgba(255, 255, 255, 0.78);
    transition: var(--transition);
}

.menu-overlay-panel__social-links a:hover {
    color: var(--color-accent);
}

.menu-overlay-panel__newsletter-form {
    display: flex;
    align-items: center;
    gap: 12px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.12);
    padding-bottom: 12px;
}

.menu-overlay-panel__newsletter-form input {
    width: 100%;
    min-height: 48px;
    color: #ffffff;
    background: transparent !important;
    border: none;
    outline: none;
    box-shadow: none !important;
}

.menu-overlay-panel__newsletter-form input::placeholder {
    color: rgba(255, 255, 255, 0.46);
}

.menu-overlay-panel__newsletter-form input:focus,
.menu-overlay-panel__newsletter-form input:active {
    background: transparent !important;
    color: #ffffff;
    box-shadow: none !important;
    outline: none;
}

.menu-overlay-panel__newsletter-form input:-webkit-autofill,
.menu-overlay-panel__newsletter-form input:-webkit-autofill:hover,
.menu-overlay-panel__newsletter-form input:-webkit-autofill:focus {
    -webkit-text-fill-color: #ffffff;
    -webkit-box-shadow: 0 0 0px 1000px transparent inset;
    transition: background-color 9999s ease-in-out 0s;
    border: none;
}

.menu-overlay-panel__newsletter-form button {
    width: 50px;
    min-width: 50px;
    height: 50px;
    border-radius: 16px;
    border: 1px solid rgba(182, 212, 51, 0.20);
    background: rgba(182, 212, 51, 0.05);
    color: var(--color-accent);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    position: relative;
    flex-shrink: 0;
    overflow: hidden;
    padding: 0;
    transition:
        width 0.42s cubic-bezier(0.22, 1, 0.36, 1),
        min-width 0.42s cubic-bezier(0.22, 1, 0.36, 1),
        background 0.28s ease,
        border-color 0.28s ease,
        color 0.28s ease,
        transform 0.28s ease;
}

.menu-overlay-panel__newsletter-form button:hover {
    transform: translateY(-2px);
    border-color: rgba(182, 212, 51, 0.32);
    background: rgba(182, 212, 51, 0.09);
}

.menu-overlay-panel__newsletter-button-text {
    position: absolute;
    left: 46px;
    right: 16px;
    top: 50%;
    transform: translateY(-50%);
    opacity: 0;
    overflow: hidden;
    white-space: nowrap;
    text-align: left;
    font-size: 0.84rem;
    font-weight: 700;
    line-height: 1;
    pointer-events: none;
    transition: opacity 0.22s ease;
}

.menu-overlay-panel__newsletter-button-icon {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    font-size: 0.95rem;
    line-height: 1;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 18px;
    height: 18px;
    flex-shrink: 0;
}

.menu-overlay-panel__newsletter-form button.is-loading,
.menu-overlay-panel__newsletter-form button.is-success,
.menu-overlay-panel__newsletter-form button.is-error {
    width: 230px;
    min-width: 230px;
}

.menu-overlay-panel__newsletter-form button.is-loading .menu-overlay-panel__newsletter-button-text,
.menu-overlay-panel__newsletter-form button.is-success .menu-overlay-panel__newsletter-button-text,
.menu-overlay-panel__newsletter-form button.is-error .menu-overlay-panel__newsletter-button-text {
    opacity: 1;
}

.menu-overlay-panel__newsletter-form button.is-loading .menu-overlay-panel__newsletter-button-icon,
.menu-overlay-panel__newsletter-form button.is-success .menu-overlay-panel__newsletter-button-icon,
.menu-overlay-panel__newsletter-form button.is-error .menu-overlay-panel__newsletter-button-icon {
    left: 18px;
    transform: translateY(-50%);
}

.menu-overlay-panel__newsletter-form button.is-loading {
    color: #111111;
    background: rgba(182, 212, 51, 0.96);
    border-color: rgba(182, 212, 51, 0.96);
}

.menu-overlay-panel__newsletter-form button.is-success {
    color: #111111;
    background: rgba(182, 212, 51, 0.96);
    border-color: rgba(182, 212, 51, 0.96);
}

.menu-overlay-panel__newsletter-form button.is-error {
    color: #ffffff;
    background: rgba(216, 58, 58, 0.96);
    border-color: rgba(216, 58, 58, 0.96);
}

@media (max-width: 480px) {
    .menu-overlay-panel__newsletter-form button.is-loading,
    .menu-overlay-panel__newsletter-form button.is-success,
    .menu-overlay-panel__newsletter-form button.is-error {
        width: 220px;
        min-width: 220px;
    }

    .menu-overlay-panel__newsletter-button-text {
        font-size: 0.8rem;
        right: 14px;
    }
}

@media (min-width: 992px) {
    .site-brand__logo {
        height: 48px;
    }

    .mobile-menu-toggle {
        display: inline-flex;
    }

    .menu-overlay-panel__bottom {
        grid-template-columns: 1fr 1fr;
        align-items: end;
    }

    .menu-overlay-nav__item {
        min-height: 126px;
    }

    .menu-overlay-nav__arrow {
        width: 54px;
        height: 54px;
        border-radius: 18px;
    }
}