/* ================================================================
   HEADER (внутри первого экрана Hero)
   ================================================================ */
.header {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 5;
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    padding: 0;
    pointer-events: none;
}

.header__logo {
    pointer-events: auto;
    width: clamp(100px, 13vw, 230px);
    margin: clamp(20px, 3vw, 40px);
    flex-shrink: 0;
    transition: transform 0.3s ease;
}

.header__logo:hover {
    transform: scale(1.03);
    opacity: 1;
}

.header__logo img {
    width: 100%;
    height: auto;
}

.header__menu {
    pointer-events: auto;
    height: 100%;
    width: clamp(50px, 4vw, 70px);
    
    writing-mode: vertical-rl;
    text-orientation: mixed;
    
    background: rgb(0 6 14 / 1%);
    backdrop-filter: blur(10px);
    border-left: 1px solid rgba(255, 255, 255, 0.1);
    
    display: flex;
    align-items: center;
    justify-content: center;
    
    color: #ffffff;
    font-family: 'Seenonim', Arial, sans-serif;
    font-size: clamp(0.75rem, 1.2vw, 1.9rem);
    letter-spacing: 0.3em;
    text-transform: uppercase;
    
    cursor: pointer;
    transition: background 0.3s ease;
    opacity: 60%;
}
/* КНОПКА ЗАКРЫТИЯ — ДЕСKTOP */
.site-menu__close {
    position: absolute;
    top: 0;
    right: 0;
    height: 100%;
    width: clamp(50px, 4vw, 70px);

    display: flex;
    align-items: center;
    justify-content: center;

    background: rgb(0 6 14 / 1%);
    backdrop-filter: blur(10px);
    border-left: 1px solid rgba(255, 255, 255, 0.18);

    cursor: pointer;
    transition: background 0.3s ease, opacity 0.3s ease;
    opacity: 0.7;
}

/* вертикальный текст */
.site-menu__close-label {
    font-family: 'Seenonim', Arial, sans-serif;
    font-size: clamp(0.75rem, 1.2vw, 1.1rem);
    letter-spacing: 0.35em;
    text-transform: uppercase;
    color: #ffffff;

    writing-mode: vertical-rl;
    text-orientation: mixed;
}

.site-menu__close:hover {
    background: rgba(0, 6, 14, 0.82);
    opacity: 1;
}


.header__menu:hover,
.site-menu__close:hover {
    background: rgba(0, 6, 14, 0.7);
}

/* ================================================================
   FIXED HEADER — Фиксированное меню при скролле
   ================================================================ */
.fixed-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 150;

    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: clamp(6px, 1vw, 10px) clamp(20px, 3vw, 40px);

    background: rgba(0, 6, 14, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);

    /* Скрыто по умолчанию */
    transform: translateY(-100%);
    opacity: 0;
    visibility: hidden;

    transition: transform 0.3s ease, opacity 0.3s ease, visibility 0.3s ease;
}

/* Показываем при скролле */
.fixed-header.is-visible {
    transform: translateY(0);
    opacity: 1;
    visibility: visible;
}

/* Логотип */
.fixed-header__logo {
    width: clamp(50px, 6.5vw, 90px);
    flex-shrink: 0;
    transition: transform 0.3s ease;
}

.fixed-header__logo:hover {
    transform: scale(1.03);
}

.fixed-header__logo img {
    width: 100%;
    height: auto;
}

/* Кнопка меню */
.fixed-header__menu-btn {
    padding: clamp(10px, 1.5vw, 14px) clamp(20px, 3vw, 32px);

    background: rgba(0, 6, 14, 0.7);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 8px;

    font-family: 'Seenonim', Arial, sans-serif;
    font-size: clamp(0.75rem, 1.2vw, 1rem);
    letter-spacing: 0.3em;
    text-transform: uppercase;
    color: #ffffff;

    display: flex;
    align-items: center;
    justify-content: center;

    cursor: pointer;
    transition: background 0.3s ease, border-color 0.3s ease;
    opacity: 0.8;
}

.fixed-header__menu-btn:hover {
    background: rgba(0, 6, 14, 0.9);
    border-color: rgba(255, 255, 255, 0.2);
    opacity: 1;
}
/* ================================================================
   SIDE MENU OVERLAY
   ================================================================ */

/* оверлей на весь экран — ТОЛЬКО прозрачность, без transform */
.site-menu {
    position: fixed;
    inset: 0;
    z-index: 200;

    display: flex;
    justify-content: flex-end;

    background: rgba(0, 6, 14, 0.1);
    backdrop-filter: blur(4px);

    opacity: 0;
    pointer-events: none;
    transition: opacity 0.45s ease;
}

.site-menu.is-open {
    opacity: 1;
    pointer-events: auto;
}


/* картинка на фоне меню */
.site-menu__bg {
    position: absolute;
    top: 0;
    right: 0;
    bottom: 0;
    width: min(50vw, 70vw);     /* ширина панели */
    z-index: 0;
    pointer-events: none;
}

.site-menu__bg img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

/* контентная часть справа */
.site-menu__inner {
    position: relative;
    z-index: 1;
    width: min(520px, 70vw);
    height: 100%;

    display: flex;
    align-items: stretch;

    background: radial-gradient(circle at top left,
        rgba(0, 60, 90, 0.4),
        rgba(0, 6, 14, 0.95));
    border-left: 1px solid rgba(255, 255, 255, 0.16);

    /* стартовое состояние — спрятана справа */
    transform: translateX(100%);
    transition: transform 0.45s ease;
}

/* при открытом меню панель заезжает внутрь */
.site-menu.is-open .site-menu__inner {
    transform: translateX(0);
}


/* вертикальное меню + контакты */
.site-menu__content {
    flex: 1 1 auto;
    padding: clamp(40px, 5vw, 60px);
    padding-right: calc(clamp(50px, 4vw, 70px) + 24px);
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

/* список пунктов */
.site-menu__nav {
    display: flex;
    flex-direction: column;
    gap: clamp(14px, 1.8vw, 22px);
}

/* пункт меню */
.site-menu__nav-link {
    display: inline-block;
    font-family: 'Archaica', Georgia, serif;
    text-transform: uppercase;
    letter-spacing: 0.18em;
    font-size: clamp(1.1rem, 1.6vw, 1.6rem);
    color: #ffffff;
    text-decoration: none;
    text-shadow: 0 4px 30px rgba(0, 0, 0, 0.7);
    white-space: nowrap;
}

.site-menu__nav-link:hover {
    opacity: 0.9;
    transform: translateX(4px);
}

/* контакты */
.site-menu__contacts {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.site-menu__contacts-item {
    font-family: 'Seenonim', Arial, sans-serif;
    font-size: clamp(0.9rem, 1.2vw, 1.1rem);
    letter-spacing: 0.08em;
    text-transform: none;
    color: #ffffff;
}

.site-menu__contacts-item:hover {
    opacity: 0.85;
}



/* состояние body, когда меню открыто — блокируем скролл */
body.menu-open {
    overflow: hidden;
}
/* обёртка справа */
.site-menu__inner {
    position: relative;              /* добавляем */
    z-index: 1;
    width: min(50vw, 70vw);
    height: 100%;
    display: flex;
    /* justify-content: space-between;  можно оставить, но уже не критично */
    align-items: stretch;
    background: radial-gradient(circle at top left, rgba(0, 60, 90, 0.4), rgba(0, 6, 14, 0.95));
    border-left: 1px solid rgba(255, 255, 255, 0.16);
}
/* ---------------- ADAPTIVE ---------------- */

@media (max-width: 767px) {
    .site-menu__inner {
        width: 100%;
        background: radial-gradient(circle at top, rgba(0, 60, 90, 0.55), #00060E);
            width: min(100vw, 100vw);
    }

    .site-menu__content {
        padding: clamp(30px, 6vw, 40px);
    }

    .site-menu__nav-link {
        letter-spacing: 0.12em;
        white-space: normal;
    }

    .header__logo {
        width: clamp(110px, 20vw, 110px);
        margin: clamp(12px, 2vw, 20px);
    }
    
    .header__menu {
        position: absolute;
        top: clamp(12px, 2vw, 20px);
        right: clamp(12px, 2vw, 20px);
        height: auto;
        width: auto;
        writing-mode: horizontal-tb;
        text-orientation: initial;
        border-left: none;
        /*border: 1px solid rgba(255, 255, 255, 0.2);*/
        border-radius: 8px;
        padding: clamp(8px, 1vw, 12px) clamp(12px, 2vw, 20px);
        backdrop-filter: blur(10px);
        text-decoration: underline;
        text-decoration-thickness: 2px;
        text-underline-offset: 7px;
    }
}
@media (max-width: 479px) {
    .site-menu__inner {
    width: 100%;
}
}
/* ============================================================
   Мобильная кнопка закрытия — крестик (до 480px)
   ============================================================ */
@media (max-width: 480px) {
    .site-menu__close {
        position: absolute;
        top: 14px;
        right: 14px;

        width: 32px;
        height: 32px;
        padding: 0;

        background: none;
        backdrop-filter: none;
        border: none;
        border-radius: 6px;

        display: flex;
        align-items: center;
        justify-content: center;

        opacity: 1;
        z-index: 30;
    }

    /* прячем вертикальный текст */
    .site-menu__close-label {
        display: none;
    }

    /* рисуем крестик */
    .site-menu__close::before,
    .site-menu__close::after {
        content: "";
        position: absolute;
        width: 18px;
        height: 2px;
        background: #fff;
        border-radius: 2px;
    }

    .site-menu__close::before {
        transform: rotate(45deg);
    }

    .site-menu__close::after {
        transform: rotate(-45deg);
    }

    /* небольшой отступ сверху под крестик */
    .site-menu__inner {
        padding-top: 60px;
    }
    nav.site-menu.js-site-menu.is-open {
    width: 100vw;
}
.site-menu__inner {
    width: 100vw;
}
.site-menu__bg {
    width: 100vw;
}
.site-menu__content {
    height: 92vh;
}
}