.site-header {
    position: sticky;
    top: 0;
    z-index: 50;
    width: 100%;
    height: var(--header-height);
    min-height: var(--header-height);
    background:
        linear-gradient(180deg, rgba(180, 210, 255, 0.35) 0%, rgba(255, 255, 255, 0.92) 55%, rgba(255, 255, 255, 0.98) 100%),
        url("../images/header/bg.png") center / cover no-repeat;
    box-shadow: var(--shadow-header);
}

.site-header__inner {
    width: var(--container);
    max-width: 1616px;
    height: 100%;
    min-height: 0;
    margin: 0 auto;
    display: grid;
    grid-template-columns: auto 1fr auto;
    align-items: center;
    gap: 21px;
}

.site-header__logo {
    font-size: var(--fs-subtitle);
    font-weight: 400;
    line-height: 1;
    color: var(--color-logo);
    transition: opacity 0.25s var(--ease);
}

.site-header__logo:hover {
    opacity: 0.75;
}

.site-header__nav {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 32px;
}

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

.site-header__link,
.site-header__link--btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 0;
    border: 0;
    background: transparent;
    color: var(--color-navy);
    font-family: var(--font-body);
    font-size: var(--fs-caption);
    font-weight: 500;
    line-height: 1.2;
    cursor: pointer;
    transition: opacity 0.25s var(--ease);
}

.site-header__link:hover,
.site-header__link--btn:hover {
    opacity: 0.7;
}

.site-header__chevron {
    width: 13px;
    height: 8px;
    transform: scaleY(-1);
    transition: transform 0.25s var(--ease);
}

.site-header__link--btn[aria-expanded="true"] .site-header__chevron {
    transform: scaleY(-1) rotate(180deg);
}

.site-header__dropdown {
    position: absolute;
    top: calc(100% + 11px);
    left: 0;
    min-width: 220px;
    padding: 10px;
    border-radius: 12px;
    background: var(--color-white);
    box-shadow: var(--shadow-header);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-8px);
    pointer-events: none;
    transition: opacity 0.25s var(--ease), transform 0.25s var(--ease), visibility 0.25s var(--ease);
    z-index: 60;
}

.site-header__dropdown.is-open {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
    pointer-events: auto;
}

.site-header__nav-item--dropdown::after {
    content: "";
    position: absolute;
    left: 0;
    right: 0;
    top: 100%;
    height: 14px;
}

@media (min-width: 1024px) {
    .site-header__nav-item--dropdown:hover .site-header__dropdown,
    .site-header__nav-item--dropdown:focus-within .site-header__dropdown {
        opacity: 1;
        visibility: visible;
        transform: translateY(0);
        pointer-events: auto;
    }

    .site-header__nav-item--dropdown:hover .site-header__chevron,
    .site-header__nav-item--dropdown:focus-within .site-header__chevron {
        transform: scaleY(-1) rotate(180deg);
    }

    .site-header__nav-item--dropdown:hover .site-header__link--btn,
    .site-header__nav-item--dropdown:focus-within .site-header__link--btn {
        opacity: 0.7;
    }
}

.site-header__dropdown-link {
    display: block;
    padding: 10px 12px;
    border-radius: 10px;
    font-size: var(--fs-body-sm);
    font-weight: 500;
    color: var(--color-navy);
    transition: background-color 0.2s var(--ease);
}

.site-header__dropdown-link:hover {
    background: rgba(12, 18, 58, 0.06);
}

.site-header__login {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 127px;
    min-height: 53px;
    padding: 0 27px;
    border-radius: 15px;
    background: var(--color-yellow);
    color: var(--color-navy);
    font-size: var(--fs-caption);
    font-weight: 500;
    transition: transform 0.25s var(--ease), opacity 0.25s var(--ease), background-color 0.25s var(--ease);
}

.site-header__login:hover {
    background: #f0b800;
    transform: translateY(-2px);
}

.site-header__menu-btn {
    display: none;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 4px;
    width: 52px;
    height: 52px;
    padding: 0;
    border: 2px solid var(--color-navy);
    border-radius: 14px;
    background: transparent;
    cursor: pointer;
    transition: background-color 0.25s var(--ease), border-color 0.25s var(--ease);
}

.site-header__menu-btn:hover {
    background: var(--color-navy);
}

.site-header__menu-btn:hover .site-header__menu-line {
    background: var(--color-white);
}

.site-header__menu-line {
    display: block;
    width: 22px;
    height: 3px;
    margin: 0;
    border-radius: 2px;
    background: var(--color-navy);
    transition: transform 0.3s var(--ease), opacity 0.3s var(--ease), width 0.3s var(--ease);
}

.site-header__menu-line:nth-child(2) {
    width: 16px;
    align-self: flex-end;
    margin-right: 13px;
}

.site-header__menu-btn[aria-expanded="true"] .site-header__menu-line:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
}

.site-header__menu-btn[aria-expanded="true"] .site-header__menu-line:nth-child(2) {
    opacity: 0;
}

.site-header__menu-btn[aria-expanded="true"] .site-header__menu-line:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg);
}

@media (max-width: 1200px) {
    .site-header__nav {
        gap: 21px;
    }

    .site-header__link,
    .site-header__link--btn,
    .site-header__login {
        font-size: 14px;
    }

    .site-header__login {
        min-width: 117px;
        min-height: 48px;
    }

    .site-header__logo {
        font-size: 27px;
    }
}

@media (max-width: 1023px) {
    body:not(.page-has-hero) .site-header {
        width: calc(100% - 28px);
        max-width: 402px;
        margin: 0 auto;
        border-radius: 0 0 22px 22px;
        background: var(--color-navy);
        box-shadow: 0 4px 20px rgba(51, 61, 71, 0.2);
    }

    body:not(.page-has-hero) .site-header__inner {
        width: 100%;
        max-width: none;
        padding: 0 14px;
        grid-template-columns: 1fr auto;
        gap: 12px;
    }

    body:not(.page-has-hero) .site-header__logo {
        font-size: clamp(24px, 7vw, 28px);
        color: var(--color-white);
        opacity: 1;
    }

    body:not(.page-has-hero) .site-header__menu-btn {
        display: inline-flex;
        flex-shrink: 0;
        width: 44px;
        height: 44px;
        border-radius: 12px;
        border-color: var(--color-white);
        background: var(--color-navy);
    }

    body:not(.page-has-hero) .site-header__menu-btn:hover {
        background: rgba(255, 255, 255, 0.12);
    }

    body:not(.page-has-hero) .site-header__menu-line {
        background: var(--color-white);
        width: 18px;
    }

    body:not(.page-has-hero) .site-header__menu-line:nth-child(2) {
        width: 13px;
        margin-right: 10px;
    }

    body:not(.page-has-hero) .site-header__login {
        display: none;
    }

    body:not(.page-has-hero) .site-header__nav {
        position: absolute;
        top: calc(100% + 8px);
        left: 0;
        right: 0;
        display: grid;
        gap: 4px;
        justify-content: stretch;
        padding: 12px;
        border-radius: 16px;
        background: var(--color-white);
        box-shadow: var(--shadow-header);
        opacity: 0;
        transform: translateY(-8px);
        pointer-events: none;
        transition: opacity 0.3s var(--ease), transform 0.3s var(--ease);
        z-index: 60;
    }

    body:not(.page-has-hero) .site-header__nav.is-open {
        opacity: 1;
        transform: translateY(0);
        pointer-events: auto;
    }

    body:not(.page-has-hero) .site-header__link,
    body:not(.page-has-hero) .site-header__link--btn {
        justify-content: flex-start;
        min-height: 48px;
        padding: 0 12px;
        font-size: 18px;
        border-radius: 12px;
        color: var(--color-navy);
    }

    body:not(.page-has-hero) .site-header__nav-item--dropdown::after {
        display: none;
    }

    body:not(.page-has-hero) .site-header__dropdown {
        position: static;
        min-width: 0;
        box-shadow: none;
        padding: 0 0 0 12px;
        opacity: 1;
        visibility: visible;
        transform: none;
        pointer-events: auto;
        display: none;
    }

    body:not(.page-has-hero) .site-header__dropdown.is-open {
        display: grid;
        gap: 4px;
        padding-bottom: 8px;
    }

    body:not(.page-has-hero) .site-header__dropdown-link {
        min-height: 40px;
        padding: 8px 12px;
        font-size: 16px;
    }

    .page-has-hero .site-header__inner {
        grid-template-columns: 1fr auto;
        min-height: 0;
        padding: 0;
        gap: 12px;
        align-items: center;
    }

    .page-has-hero .site-header__logo {
        font-size: clamp(24px, 7vw, 28px);
    }

    .page-has-hero .site-header__menu-btn {
        display: inline-flex;
        flex-shrink: 0;
        width: 44px;
        height: 44px;
        border-radius: 12px;
    }

    .page-has-hero .site-header__login {
        display: none;
    }

    .page-has-hero .site-header__nav {
        position: absolute;
        top: calc(100% + 8px);
        left: 0;
        right: 0;
        display: grid;
        gap: 4px;
        justify-content: stretch;
        padding: 12px;
        border-radius: 16px;
        background: var(--color-white);
        box-shadow: var(--shadow-header);
        opacity: 0;
        transform: translateY(-8px);
        pointer-events: none;
        transition: opacity 0.3s var(--ease), transform 0.3s var(--ease);
        z-index: 60;
    }

    .page-has-hero .site-header__nav.is-open {
        opacity: 1;
        transform: translateY(0);
        pointer-events: auto;
    }

    .page-has-hero .site-header__link,
    .page-has-hero .site-header__link--btn {
        justify-content: flex-start;
        min-height: 48px;
        padding: 0 12px;
        font-size: 18px;
        border-radius: 12px;
        color: var(--color-navy);
    }

    .page-has-hero .site-header__nav-item--dropdown::after {
        display: none;
    }

    .page-has-hero .site-header__dropdown {
        position: static;
        min-width: 0;
        box-shadow: none;
        padding: 0 0 0 12px;
        opacity: 1;
        visibility: visible;
        transform: none;
        pointer-events: auto;
        display: none;
    }

    .page-has-hero .site-header__dropdown.is-open {
        display: grid;
        gap: 4px;
        padding-bottom: 8px;
    }

    .page-has-hero .site-header__dropdown-link {
        min-height: 40px;
        padding: 8px 12px;
        font-size: 16px;
        color: var(--color-navy);
    }

    .page-has-hero .site-header--hero {
        background: transparent;
        box-shadow: none;
    }

    .page-has-hero .site-header--hero .site-header__logo {
        color: var(--color-navy);
        text-shadow: none;
        opacity: 0.85;
    }

    .page-has-hero .site-header--hero .site-header__menu-line {
        background: var(--color-navy);
    }

    .page-has-hero .site-header--hero .site-header__menu-btn {
        border-color: rgba(11, 37, 99, 0.55);
        background: rgba(255, 255, 255, 0.55);
    }
}