/*
* Prefixed by https://autoprefixer.github.io
* PostCSS: v8.4.14,
* Autoprefixer: v10.4.7
* Browsers: last 4 version
*/

/* Сброс базовых отступов */
* {
    margin: 0;
    padding: 0;
    -webkit-box-sizing: border-box;
            box-sizing: border-box;
}

/* Базовый шрифт для всего текста */
body, button, input, textarea {
    font-family: "Open Sans", sans-serif;
    font-size: 16px;
    line-height: 1.5;
    color: #222;
    /* базовый цвет текста */
    background-color: rgb(0, 3, 10);
    color: white;
}

/* Заголовки — отдельный шрифт */
h1, h2, h3, h4, h5, h6 {
    font-family: "Playfair Display", serif;
    font-weight: 700;
    line-height: 1.2;
    color: white;
    /* цвет заголовков */
}

a {
    text-decoration: none;
}

img {
    max-width: 100%;
}

/* Контейнер для центровки контента */
.container {
    max-width: 1340px;
    padding-left: 20px;
    padding-right: 20px;
    margin-left: auto;
    margin-right: auto;
}

header {
    padding-bottom: 10px;
    position: relative;
    background-image: -o-linear-gradient(285deg, #00174E 0%, #00030A 100%);
    background-image: linear-gradient(165deg, #00174E 0%, #00030A 100%);
}

.header-lvl1 {
    display: -webkit-box;
    display: -ms-flexbox;
    display: flex;
    -ms-flex-wrap: wrap;
        flex-wrap: wrap;
    gap: 20px;
    padding-top: 30px;
    padding-bottom: 30px;
}

.header-lvl1-left, .header-lvl1-right {
    width: calc(20% - (20px * 2 / 3));
    display: -webkit-box;
    display: -ms-flexbox;
    display: flex;
}

.header-lvl1-center {
    width: calc(100% - 40% - (20px * 2 / 3));
    display: -webkit-box;
    display: -ms-flexbox;
    display: flex;
}

.header-lvl1-left>a {
    display: -webkit-box;
    display: -ms-flexbox;
    display: flex;
    margin-top: auto;
    margin-bottom: auto;
}

.header-lvl1-left>a>img {
    max-height: 30px;
    width: auto;
}

.header-lvl1-right {
    display: -webkit-box;
    display: -ms-flexbox;
    display: flex;
}

.header-lvl1-right>a {
    margin-top: auto;
    margin-bottom: auto;
    margin-left: auto;
}

.button1 {
    color: #000000;
    font-size: 18px;
    font-weight: 600;
    padding: 10px 20px;
    background-color: #00BFFF;
    border-radius: 30px 30px 30px 30px;
    -webkit-transition: background-color 0.3s ease;
    -o-transition: background-color 0.3s ease;
    transition: background-color 0.3s ease;
    display: -webkit-inline-box;
    display: -ms-inline-flexbox;
    display: inline-flex;
}

.button1:hover {
    background-color: white;
}

.header-menu {
    margin: auto;
}

.header-menu>ul {
    display: -webkit-box;
    display: -ms-flexbox;
    display: flex;
    -ms-flex-wrap: wrap;
        flex-wrap: wrap;
    list-style-type: none;
    gap: 24px;
}

.header-menu>ul>li>a {
    color: #FFFFFF;
    font-size: 16px;
    font-weight: 700;
    text-transform: uppercase;
    -webkit-transition: color 0.3s ease;
    -o-transition: color 0.3s ease;
    transition: color 0.3s ease;
    /* фикс */
}

.header-menu>ul>li>a:hover {
    color: #00BFFF;
}

.header-lvl2 {
    display: -webkit-box;
    display: -ms-flexbox;
    display: flex;
}

.header-lvl2>div {
    width: 50%;
}

.header-lvl2-right {
    background-position: left center;
    background-size: cover;
    background-repeat: no-repeat;
}

.header-lvl2-right-content {
    height: 100%;
    background-color: #000000a3;
    padding-bottom: 200px;
}

.header-lvl2-right-content-sod {
    padding-top: 250px;
    padding-left: 50px;
}

.container.header-lvl1-sp {
    position: absolute;
    top: 0;
    left: 50%;
    -webkit-transform: translateX(-50%);
        -ms-transform: translateX(-50%);
            transform: translateX(-50%);
    width: 100%;
}

.header-lvl2-right-content-sod-text1 {
    font-size: 16px;
    font-weight: 800;
    margin-bottom: 10px;
    text-transform: uppercase;
    font-family: "Playfair Display", serif;
    letter-spacing: 2px;
}

.header-lvl2-right-content-sod-text2 {
    margin-bottom: 10px;
    font-size: 35px;
    font-weight: 600;
    font-family: "Playfair Display", serif;
    text-transform: uppercase;
    letter-spacing: 2px;
}

.header-lvl2-right-content-sod-text3 {
    font-size: 16px;
    font-weight: 400;
    line-height: 24px;
    margin-bottom: 30px;
}

.header-lvl2-left-content {
    padding-top: 250px;
    padding-right: 10px;
}

.header-lvl2-left-content {
    display: -webkit-box;
    display: -ms-flexbox;
    display: flex;
    gap: 20px;
    -ms-flex-wrap: wrap;
        flex-wrap: wrap;
}

.header-lvl2-left-content-left {
    width: calc(90% - (20px * 1 / 2));
}

.header-lvl2-left-content-right {
    width: calc(10% - (20px * 1 / 2));
    display: -webkit-box;
    display: -ms-flexbox;
    display: flex;
}

.header-lvl2-left-content-right>p {
    font-size: 45px;
    font-weight: 400;
    -webkit-text-stroke-width: 1px;
    stroke-width: 1px;
    -webkit-text-stroke-color: #00BFFF;
    stroke: #00BFFF;
    color: #00BFFF00;
    -webkit-writing-mode: sideways-lr;
        -ms-writing-mode: sideways-lr;
            writing-mode: sideways-lr;
    /* вертикально */
    text-orientation: mixed;
    /* буквы остаются читаемыми */
    margin-left: auto;
    margin-top: auto;
    margin-bottom: auto;
}

.header-lvl2-left-content-left-text1 {
    font-size: 16px;
    font-weight: 800;
    margin-bottom: 10px;
    text-transform: uppercase;
    font-family: "Playfair Display", serif;
    letter-spacing: 2px;
}

.header-lvl2-left-content-left-text2 {
    margin-bottom: 10px;
    font-size: 35px;
    font-weight: 600;
    font-family: "Playfair Display", serif;
    text-transform: uppercase;
    letter-spacing: 2px;
}

.header-lvl2-left-content-left-text3 {
    font-size: 16px;
    font-weight: 400;
    line-height: 24px;
    margin-bottom: 30px;
}

.color-blue {
    background: -webkit-gradient(linear, left top, left bottom, from(#00BFFF), to(#003C51));
    background: -o-linear-gradient(top, #00BFFF 0%, #003C51 100%);
    background: linear-gradient(180deg, #00BFFF 0%, #003C51 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    color: transparent;
}

.header-lvl3 {
    padding-top: 40px;
}

.header-lvl3-sod {
    display: -webkit-box;
    display: -ms-flexbox;
    display: flex;
    -ms-flex-wrap: wrap;
        flex-wrap: wrap;
    gap: 30px;
}

.header-lvl3-sod-element {
    width: calc(100% / 4 - (30px * 3 / 4));
    padding: 15px;
    background-color: rgb(0, 3, 10);
    border-radius: 10px;
    position: relative;
    overflow: hidden;
}

.header-lvl3-sod-element {
    width: calc(100% / 4 - (30px * 3 / 4));
    padding: 15px;
    background-color: rgb(0, 3, 10);
    border-radius: 10px;
    position: relative;
    overflow: hidden;
}

.header-lvl3-sod-element {
    width: calc(100% / 4 - (30px * 3 / 4));
    padding: 15px;
    background-color: rgb(0, 3, 10);
    border-radius: 10px;
    position: relative;
    overflow: hidden;
}

.header-lvl3-sod>.header-lvl3-sod-element {
    width: calc(100% / 4 - (30px * 3 / 4));
    padding: 15px;
    background-color: rgb(0, 3, 10);
    border-radius: 10px;
    position: relative;
}

/* 1 и 2 блок – линии снизу */
.header-lvl3-sod>.header-lvl3-sod-element:nth-child(1),
.header-lvl3-sod>.header-lvl3-sod-element:nth-child(3) {
    -webkit-box-shadow:
        inset 2px -2px 0 #00BFFF,
        /* левая грань */
        inset -2px -2px 0 #00BFFF,
        /* правая грань */
        inset 0 -2px 0 #00BFFF;
            box-shadow:
        inset 2px -2px 0 #00BFFF,
        /* левая грань */
        inset -2px -2px 0 #00BFFF,
        /* правая грань */
        inset 0 -2px 0 #00BFFF;
    /* низ */
}

/* 3 и 4 блок – линии сверху */
.header-lvl3-sod>.header-lvl3-sod-element:nth-child(2),
.header-lvl3-sod>.header-lvl3-sod-element:nth-child(4) {
    -webkit-box-shadow:
        inset 2px 2px 0 #00BFFF,
        /* левая грань */
        inset -2px 2px 0 #00BFFF,
        /* правая грань */
        inset 0 2px 0 #00BFFF;
            box-shadow:
        inset 2px 2px 0 #00BFFF,
        /* левая грань */
        inset -2px 2px 0 #00BFFF,
        /* правая грань */
        inset 0 2px 0 #00BFFF;
    /* верх */
}

.header-lvl3-sod-element>p:first-of-type {
    text-align: center;
    color: #00BFFF;
    font-size: 25px;
    font-weight: 600;
    line-height: 30px;
    margin-bottom: 10px;
    text-transform: uppercase;
    font-family: "Playfair Display", serif;
    letter-spacing: 2px;
}

.header-lvl3-sod-element>p:last-of-type {
    text-align: center;
    font-size: 16px;
    font-weight: 400;
    line-height: 24px;
}

.block1 {
    display: -webkit-box;
    display: -ms-flexbox;
    display: flex;
    -ms-flex-wrap: wrap;
        flex-wrap: wrap;
    gap: 100px;
    margin-top: 80px;
    margin-bottom: 80px;
    background-position: center center;
    background-size: cover;
    background-repeat: no-repeat;
    border-radius: 20px;
}

.block1-element {
    width: calc(100% / 2 - (100px * 1 / 2));
}

.block1>.block1-element:first-child, .block1>.block1-element:last-of-type {
    padding: 30px;
    border-radius: 20px 0 20px 0;
    background-color: #00030A;
}

.block1>.block1-element:first-child>p:first-of-type {
    font-family: "Playfair Display", serif;
    letter-spacing: 2px;
    font-size: 16px;
    font-weight: 600;
    line-height: 24px;
    margin-bottom: 10px;
    text-transform: uppercase;
}

.block1>.block1-element:first-child>h2 {
    margin-bottom: 10px;
    text-transform: uppercase;
    font-size: 35px;
    font-weight: 600;
    line-height: 45px;
    letter-spacing: 2px;
}

.block1>.block1-element:first-child>p:last-of-type {
    font-size: 16px;
    font-weight: 400;
    line-height: 24px;
    margin-bottom: 30px;
}

.block1>.block1-element:last-of-type>img {
    height: 40px;
    width: auto;
    margin-bottom: 10px;
    -webkit-filter: invert(76%) sepia(63%) saturate(6094%) hue-rotate(162deg) brightness(105%) contrast(104%);
            filter: invert(76%) sepia(63%) saturate(6094%) hue-rotate(162deg) brightness(105%) contrast(104%);
}

.block1>.block1-element:last-of-type>h3 {
    font-size: 25px;
    font-weight: 600;
    line-height: 35px;
    text-transform: uppercase;
    margin-bottom: 10px;
}

.block1>.block1-element:last-of-type>p {
    font-size: 16px;
    font-weight: 400;
    line-height: 24px;
}

.block1>.block1-element:last-of-type>p:first-of-type {
    margin-bottom: 30px;
}

.block2 {
    position: relative;
    padding: 80px 0;
    background-color: #031018;
    /* базовый тёмный фон */
    overflow: hidden;
}

/* основной мягкий свет в центре + дополнительные «кольца» */
.block2::before {
    content: "";
    position: absolute;
    inset: 0;
    pointer-events: none;
    z-index: 0;

    /* несколько наложенных радиальных градиентов создают эффект расширяющихся колец */
    background-image:
        -o-radial-gradient(50% 45%,
            circle,
            rgba(0, 191, 255, 0.30) 0%,
            rgba(0, 191, 255, 0.16) 8%,
            rgba(0, 191, 255, 0.06) 18%,
            rgba(0, 191, 255, 0.00) 35%),

        -o-radial-gradient(30% 60%,
            circle,
            rgba(0, 191, 255, 0.08) 0%,
            rgba(0, 191, 255, 0.03) 12%,
            rgba(0, 191, 255, 0.00) 40%),

        -o-radial-gradient(70% 35%,
            circle,
            rgba(0, 191, 255, 0.06) 0%,
            rgba(0, 191, 255, 0.02) 15%,
            rgba(0, 191, 255, 0.00) 45%),

        /* лёгкий тёмный виньет для краёв (плавный переход к чёрному) */
        -o-radial-gradient(center,
            ellipse,
            rgba(3, 6, 10, 0) 40%,
            rgba(3, 6, 10, 0.55) 100%);
    background-image:
        radial-gradient(circle at 50% 45%,
            rgba(0, 191, 255, 0.30) 0%,
            rgba(0, 191, 255, 0.16) 8%,
            rgba(0, 191, 255, 0.06) 18%,
            rgba(0, 191, 255, 0.00) 35%),

        radial-gradient(circle at 30% 60%,
            rgba(0, 191, 255, 0.08) 0%,
            rgba(0, 191, 255, 0.03) 12%,
            rgba(0, 191, 255, 0.00) 40%),

        radial-gradient(circle at 70% 35%,
            rgba(0, 191, 255, 0.06) 0%,
            rgba(0, 191, 255, 0.02) 15%,
            rgba(0, 191, 255, 0.00) 45%),

        /* лёгкий тёмный виньет для краёв (плавный переход к чёрному) */
        radial-gradient(ellipse at center,
            rgba(3, 6, 10, 0) 40%,
            rgba(3, 6, 10, 0.55) 100%);

    background-repeat: no-repeat;
    background-size: 100% 100%;
    -webkit-transition: opacity .3s ease;
    -o-transition: opacity .3s ease;
    transition: opacity .3s ease;
}

/* содержимое блока выше слоя фона */
.block2>* {
    position: relative;
    z-index: 1;
}

/* опциональная анимация «дыхания» — делает свечку чуть больше/меньше */
@-webkit-keyframes bgPulse {
    0% {
        -webkit-transform: scale(1);
                transform: scale(1);
        opacity: 1;
    }

    50% {
        -webkit-transform: scale(1.02);
                transform: scale(1.02);
        opacity: 0.98;
    }

    100% {
        -webkit-transform: scale(1);
                transform: scale(1);
        opacity: 1;
    }
}
@keyframes bgPulse {
    0% {
        -webkit-transform: scale(1);
                transform: scale(1);
        opacity: 1;
    }

    50% {
        -webkit-transform: scale(1.02);
                transform: scale(1.02);
        opacity: 0.98;
    }

    100% {
        -webkit-transform: scale(1);
                transform: scale(1);
        opacity: 1;
    }
}

.block2::before {
    will-change: transform, opacity;
    /* раскомментируй строку ниже, если хочешь лёгкую анимацию */
    /* animation: bgPulse 8s ease-in-out infinite; */
}

.block2-content-lvl1>p, .block2-content-lvl1>h2 {
    text-align: center;
}

.block2-content-lvl1>p:first-of-type {
    font-family: "Playfair Display", serif;
    letter-spacing: 2px;
    font-size: 16px;
    font-weight: 600;
    line-height: 24px;
    margin-bottom: 10px;
    text-transform: uppercase;
}

.block2-content-lvl1>h2 {
    margin-bottom: 10px;
    text-transform: uppercase;
    font-size: 35px;
    font-weight: 600;
    line-height: 45px;
    letter-spacing: 2px;
}

.block2-content-lvl1>p:last-of-type {
    font-size: 16px;
    font-weight: 400;
    line-height: 24px;
    margin-bottom: 30px;
}

.block2-content-lvl2 {
    display: -webkit-box;
    display: -ms-flexbox;
    display: flex;
    -ms-flex-wrap: wrap;
        flex-wrap: wrap;
    gap: 30px;
}

.block2-content-lvl2>.block2-content-lvl2-element {
    width: calc(100% / 3 - (30px * 2 / 3));
    padding: 20px;
    background-color: rgb(0, 3, 10);
    border-radius: 10px;
    position: relative;
}

/* Первые три блока — линии сверху, слева и справа */
.block2-content-lvl2>.block2-content-lvl2-element:nth-child(1),
.block2-content-lvl2>.block2-content-lvl2-element:nth-child(2),
.block2-content-lvl2>.block2-content-lvl2-element:nth-child(3) {
    -webkit-box-shadow:
        inset 2px 2px 0 #00BFFF,
        /* левая грань сверху */
        inset -2px 2px 0 #00BFFF,
        /* правая грань сверху */
        inset 0 2px 0 #00BFFF;
            box-shadow:
        inset 2px 2px 0 #00BFFF,
        /* левая грань сверху */
        inset -2px 2px 0 #00BFFF,
        /* правая грань сверху */
        inset 0 2px 0 #00BFFF;
    /* верх */
}

/* Следующие три блока — линии снизу, слева и справа */
.block2-content-lvl2>.block2-content-lvl2-element:nth-child(4),
.block2-content-lvl2>.block2-content-lvl2-element:nth-child(5),
.block2-content-lvl2>.block2-content-lvl2-element:nth-child(6) {
    -webkit-box-shadow:
        inset 2px -2px 0 #00BFFF,
        /* левая грань снизу */
        inset -2px -2px 0 #00BFFF,
        /* правая грань снизу */
        inset 0 -2px 0 #00BFFF;
            box-shadow:
        inset 2px -2px 0 #00BFFF,
        /* левая грань снизу */
        inset -2px -2px 0 #00BFFF,
        /* правая грань снизу */
        inset 0 -2px 0 #00BFFF;
    /* низ */
}

.block2-content-lvl2-element-imgblock {
    display: -webkit-box;
    display: -ms-flexbox;
    display: flex;
    margin-bottom: 30px;
}

.block2-content-lvl2-element-imgblock-block {
    margin-left: auto;
    margin-right: auto;
    background-color: #222222;
    border-radius: 10px;
    padding: 10px;
}

.block2-content-lvl2-element-imgblock-block-img>img {
    height: 57px;
    width: auto;
}

.block2-content-lvl2-element-imgblock-block-img {
    padding: 10px;
    border-radius: 10px;
    background-color: rgb(0, 3, 10);
    -webkit-box-shadow: rgba(0, 191, 255, 0.28) -3px -3px 5px 0px;
            box-shadow: rgba(0, 191, 255, 0.28) -3px -3px 5px 0px;
}

.block2-content-lvl2-element>h3 {
    text-align: center;
    font-size: 25px;
    font-weight: 600;
    line-height: 35px;
    text-transform: uppercase;
    margin-bottom: 10px;
}

.block2-content-lvl2-element>p {
    text-align: center;
    font-size: 16px;
    font-weight: 400;
    line-height: 24px;
    margin-bottom: 30px;
}

.block2-content-lvl2-element-button {
    display: -webkit-box;
    display: -ms-flexbox;
    display: flex;
}

.block2-content-lvl2-element-button>a {
    margin-left: auto;
    margin-right: auto;
}

.block3 {
    padding-top: 80px;
    padding-bottom: 80px;
}

.block3-lvl1 {
    display: -webkit-box;
    display: -ms-flexbox;
    display: flex;
    -ms-flex-wrap: wrap;
        flex-wrap: wrap;
    gap: 30px;
    padding: 30px;
    border-radius: 10px;
    background-image: -o-radial-gradient(at center center, #0C6F91 0%, #065069 100%);
    background-image: radial-gradient(at center center, #0C6F91 0%, #065069 100%);
    margin-bottom: 40px;
}

.block3-lvl1-img {
    height: 42px;
    width: calc(100% / 5 - (30px * 4 / 5));
    background-position: center center;
    background-size: contain;
    background-repeat: no-repeat;
}

.block3-lvl2 {
    display: -webkit-box;
    display: -ms-flexbox;
    display: flex;
    -ms-flex-wrap: wrap;
        flex-wrap: wrap;
    gap: 30px;
    margin-bottom: 40px;
}

.block3-lvl2>div {
    width: calc(100% / 2 - (30px * 1 / 2));
}

.block3-lvl2-left {
    display: -webkit-box;
    display: -ms-flexbox;
    display: flex;
}

.block3-lvl2-left-content {
    margin-top: auto;
    margin-bottom: auto;
}

.block3-lvl2-left-content>p {
    font-family: "Playfair Display", serif;
    letter-spacing: 2px;
    font-size: 16px;
    font-weight: 600;
    line-height: 24px;
    margin-bottom: 10px;
    text-transform: uppercase;
}

.block3-lvl2-left-content>h2 {
    text-transform: uppercase;
    font-size: 35px;
    font-weight: 600;
    line-height: 45px;
    letter-spacing: 2px;
}

.block3-lvl2-right {
    display: -webkit-box;
    display: -ms-flexbox;
    display: flex;
}

.block3-lvl2-right>p {
    max-width: 400px;
    margin-top: auto;
    margin-bottom: auto;
    width: 100%;
    margin-left: auto;
    text-align: right;
}

.block3-lvl3 {
    display: -webkit-box;
    display: -ms-flexbox;
    display: flex;
    -ms-flex-wrap: wrap;
        flex-wrap: wrap;
    gap: 30px;
}

.block3-lvl3-img {
    position: relative;
    width: calc(100% / 3 - (30px * 2 / 3));
    height: 300px;
    background-position: center center;
    background-size: cover;
    border-radius: 10px;
    cursor: pointer;
    overflow: hidden;
}

.block3-lvl3-img::after {
    content: "";
    position: absolute;
    inset: 0;
    background-color: rgba(0, 191, 255, 0.5);
    opacity: 0;
    -webkit-transition: opacity 0.3s ease;
    -o-transition: opacity 0.3s ease;
    transition: opacity 0.3s ease;
    border-radius: inherit;
}

.block3-lvl3-img:hover::after {
    opacity: 1;
}

/* Лайтбокс */
.lightbox {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.9);
    z-index: 9999;
    -webkit-box-pack: center;
        -ms-flex-pack: center;
            justify-content: center;
    -webkit-box-align: center;
        -ms-flex-align: center;
            align-items: center;
    -webkit-box-orient: vertical;
    -webkit-box-direction: normal;
        -ms-flex-direction: column;
            flex-direction: column;
}

.lightbox-img {
    max-width: 90%;
    max-height: 80%;
    -o-object-fit: contain;
       object-fit: contain;
    border-radius: 10px;
    -webkit-box-shadow: 0 0 20px rgba(0, 191, 255, 0.6);
            box-shadow: 0 0 20px rgba(0, 191, 255, 0.6);
}

/* Кнопки */
.lightbox-close,
.lightbox-prev,
.lightbox-next {
    position: absolute;
    color: #fff;
    font-size: 40px;
    font-weight: bold;
    cursor: pointer;
    -webkit-user-select: none;
       -moz-user-select: none;
        -ms-user-select: none;
            user-select: none;
    -webkit-transition: 0.3s;
    -o-transition: 0.3s;
    transition: 0.3s;
}

.lightbox-close {
    top: 20px;
    right: 30px;
}

.lightbox-prev {
    top: 50%;
    left: 30px;
    -webkit-transform: translateY(-50%);
        -ms-transform: translateY(-50%);
            transform: translateY(-50%);
}

.lightbox-next {
    top: 50%;
    right: 30px;
    -webkit-transform: translateY(-50%);
        -ms-transform: translateY(-50%);
            transform: translateY(-50%);
}

.lightbox-close:hover,
.lightbox-prev:hover,
.lightbox-next:hover {
    color: #00BFFF;
}

/* Счётчик */
.lightbox-counter {
    position: absolute;
    bottom: 20px;
    color: #fff;
    font-size: 16px;
}

.block4 {
    padding-top: 80px;
    padding-bottom: 200px;
    background-color: transparent;
    background-image: -webkit-gradient(linear, left top, left bottom, from(#010F30), to(#033546));
    background-image: -o-linear-gradient(top, #010F30 0%, #033546 100%);
    background-image: linear-gradient(180deg, #010F30 0%, #033546 100%);
}

.block4-content-lvl1>p, .block4-content-lvl1>h2 {
    text-align: center;
}

.block4-content-lvl1>p:first-of-type {
    font-family: "Playfair Display", serif;
    letter-spacing: 2px;
    font-size: 16px;
    font-weight: 600;
    line-height: 24px;
    margin-bottom: 10px;
    text-transform: uppercase;
}

.block4-content-lvl1>p:last-of-type {
    font-size: 16px;
    font-weight: 400;
    line-height: 24px;
    margin-bottom: 30px;
}

.block4-content-lvl1>h2 {
    margin-bottom: 10px;
    text-transform: uppercase;
    font-size: 35px;
    font-weight: 600;
    line-height: 45px;
    letter-spacing: 2px;
}

.block4-content-lvl2 {
    display: -webkit-box;
    display: -ms-flexbox;
    display: flex;
    -ms-flex-wrap: wrap;
        flex-wrap: wrap;
    gap: 20px;
}

.block4-content-lvl2-element {
    width: calc(100% / 4 - (20px * 3 / 4));
    padding: 60px 20px;
    border-radius: 10px;
    background-color: rgb(0, 3, 10);
}

.block4-content-lvl2-element>h3 {
    text-align: center;
    font-size: 25px;
    font-weight: 600;
    line-height: 35px;
    text-transform: uppercase;
    margin-bottom: 10px;
}

.block4-content-lvl2-element>p {
    text-align: center;
    font-size: 16px;
    font-weight: 400;
    line-height: 24px;
}

.block4-content-lvl2>.block4-content-lvl2-element {

    position: relative;
    overflow: hidden;

    -webkit-box-shadow:
        inset 2px 0 0 #00BFFF,
        /* левая грань */
        inset -2px 0 0 #00BFFF,
        /* правая грань */
        inset 0 -2px 0 #00BFFF;

            box-shadow:
        inset 2px 0 0 #00BFFF,
        /* левая грань */
        inset -2px 0 0 #00BFFF,
        /* правая грань */
        inset 0 -2px 0 #00BFFF;
    /* нижняя грань */
}

.block4-contact-form {
    min-height: 30vh;
    margin-top: -120px;
    border-radius: 10px;
}

.block4-contact-form {
    display: -webkit-box;
    display: -ms-flexbox;
    display: flex;
    -ms-flex-wrap: wrap;
        flex-wrap: wrap;
}

.block4-contact-form-left {
    width: 40%;
    background-position: center center;
    background-size: cover;
    border-radius: 10px 0 0 10px;
}

.block5 {
    padding-bottom: 80px;
}

.block4-contact-form-right {
    padding: 30px;
    width: 60%;
    background-color: #0C6F91;
    border-radius: 0 10px 10px 0;
}

.block4-contact-form-right>p:first-of-type {
    font-family: "Playfair Display", serif;
    letter-spacing: 2px;
    font-size: 16px;
    font-weight: 600;
    line-height: 24px;
    margin-bottom: 10px;
    text-transform: uppercase;
}

.block4-contact-form-right>h2 {
    margin-bottom: 10px;
    text-transform: uppercase;
    font-size: 35px;
    font-weight: 600;
    line-height: 45px;
    letter-spacing: 2px;
}

.block4-contact-form-right>p:last-of-type {
    font-size: 16px;
    font-weight: 400;
    line-height: 24px;
    margin-bottom: 30px;
}

/* ---------- Contact Form Styles ---------- */
.contact-form-section {
    width: 100%;
    max-width: 980px;
    /* можно менять под ширину контейнера */
    margin: 0 auto;
    -webkit-box-sizing: border-box;
            box-sizing: border-box;
}

/* сетка: 2 колонки на больших экранах */
.contact-form {
    display: -ms-grid;
    display: grid;
    -ms-grid-columns: 1fr 30px 1fr;
    grid-template-columns: repeat(2, 1fr);
    gap: 30px;
    /* отступ между элементами = 30px */
    -webkit-box-align: start;
        -ms-flex-align: start;
            align-items: start;
}

/* общий стиль для всех полей */
.cf-input {
    -webkit-box-sizing: border-box;
            box-sizing: border-box;
    width: 100%;
    padding: 12px 20px;
    /* падинги 12 и 20 пикселей */
    height: 46px;
    /* требование */
    border-radius: 30px;
    /* радиус 30px */
    border: 1px solid rgba(255, 255, 255, 0.06);
    /* тонкая граница, при необходимости поменяй */
    background-color: #020101;
    /* как просил (8-символьный hex — прозрачный) */
    color: #ffffff;
    font-size: 16px;
    /* подсказка — 16px */
    font-weight: 600;
    /* подсказка — 600 */
    outline: none;
    -webkit-transition: -webkit-box-shadow .18s ease, -webkit-transform .18s ease;
    transition: -webkit-box-shadow .18s ease, -webkit-transform .18s ease;
    -o-transition: box-shadow .18s ease, transform .18s ease;
    transition: box-shadow .18s ease, transform .18s ease;
    transition: box-shadow .18s ease, transform .18s ease, -webkit-box-shadow .18s ease, -webkit-transform .18s ease;
}

/* textarea height override (всегда занимает больше места) */
.cf-textarea {
    height: auto;
    min-height: 120px;
    padding: 12px 20px;
    resize: vertical;
    font-family: inherit;
    line-height: 1.4;
}

/* select выглядит как input */
.cf-select {
    /* appearance reset */
    -webkit-appearance: none;
    -moz-appearance: none;
    appearance: none;
    background-image: -o-linear-gradient(45deg, transparent 50%, #999 50%),
        -o-linear-gradient(315deg, #999 50%, transparent 50%);
    background-image: linear-gradient(45deg, transparent 50%, #999 50%),
        linear-gradient(135deg, #999 50%, transparent 50%);
    background-position: calc(100% - 18px) calc(1em + 2px), calc(100% - 13px) calc(1em + 2px);
    background-size: 6px 6px, 6px 6px;
    background-repeat: no-repeat;
    padding-right: 48px;
    /* место под стрелку */
}

/* placeholder styling */
.cf-input::-webkit-input-placeholder {
    color: rgba(255, 255, 255, 0.65);
    font-size: 16px;
    font-weight: 600;
    opacity: 1;
    /* чтобы в некоторых браузерах placeholder не был прозрачнее */
}
.cf-input::-moz-placeholder {
    color: rgba(255, 255, 255, 0.65);
    font-size: 16px;
    font-weight: 600;
    opacity: 1;
    /* чтобы в некоторых браузерах placeholder не был прозрачнее */
}
.cf-input:-ms-input-placeholder {
    color: rgba(255, 255, 255, 0.65);
    font-size: 16px;
    font-weight: 600;
    opacity: 1;
    /* чтобы в некоторых браузерах placeholder не был прозрачнее */
}
.cf-input::-ms-input-placeholder {
    color: rgba(255, 255, 255, 0.65);
    font-size: 16px;
    font-weight: 600;
    opacity: 1;
    /* чтобы в некоторых браузерах placeholder не был прозрачнее */
}
.cf-input::placeholder {
    color: rgba(255, 255, 255, 0.65);
    font-size: 16px;
    font-weight: 600;
    opacity: 1;
    /* чтобы в некоторых браузерах placeholder не был прозрачнее */
}

/* style on focus */
.cf-input:focus {
    -webkit-box-shadow: 0 6px 18px rgba(2, 191, 255, 0.06);
            box-shadow: 0 6px 18px rgba(2, 191, 255, 0.06);
    border-color: rgba(2, 191, 255, 0.35);
    -webkit-transform: translateY(-1px);
        -ms-transform: translateY(-1px);
            transform: translateY(-1px);
}

/* make some inputs full-width (span 2 columns) */
.cf-col-2 {
    grid-column: 1 / -1;
}

/* submit button */
.cf-submit {
    display: -webkit-inline-box;
    display: -ms-inline-flexbox;
    display: inline-flex;
    -webkit-box-align: center;
        -ms-flex-align: center;
            align-items: center;
    -webkit-box-pack: center;
        -ms-flex-pack: center;
            justify-content: center;
    gap: 8px;
    cursor: pointer;
    border: none;
    background: -webkit-gradient(linear, left top, right top, from(#00bfff), to(#7affff));
    background: -o-linear-gradient(left, #00bfff, #7affff);
    background: linear-gradient(90deg, #00bfff, #7affff);
    color: #020101;
    font-weight: 700;
    font-size: 16px;
    padding: 12px 20px;
    height: 52px;
    border-radius: 30px;
    -webkit-transition: opacity .12s ease, -webkit-transform .12s ease, -webkit-box-shadow .12s ease;
    transition: opacity .12s ease, -webkit-transform .12s ease, -webkit-box-shadow .12s ease;
    -o-transition: transform .12s ease, box-shadow .12s ease, opacity .12s ease;
    transition: transform .12s ease, box-shadow .12s ease, opacity .12s ease;
    transition: transform .12s ease, box-shadow .12s ease, opacity .12s ease, -webkit-transform .12s ease, -webkit-box-shadow .12s ease;
}

.cf-submit:hover {
    -webkit-transform: translateY(-3px);
        -ms-transform: translateY(-3px);
            transform: translateY(-3px);
    -webkit-box-shadow: 0 8px 24px rgba(2, 191, 255, 0.14);
            box-shadow: 0 8px 24px rgba(2, 191, 255, 0.14);
}

.cf-submit:active {
    -webkit-transform: translateY(-1px);
        -ms-transform: translateY(-1px);
            transform: translateY(-1px);
}

/* responsive: one column on narrow screens */
@media (max-width: 720px) {
    .contact-form {
        -ms-grid-columns: 1fr;
        grid-template-columns: 1fr;
    }

    /* все элементы растягиваются автоматически — но на всякий случай */
    .cf-col-2 {
        grid-column: 1 / -1;
    }
}

.block4-contact-form {
    margin-bottom: 80px;
}

.block5-price>p:first-of-type {
    text-align: center;
    font-family: "Playfair Display", serif;
    letter-spacing: 2px;
    font-size: 16px;
    font-weight: 600;
    line-height: 24px;
    margin-bottom: 10px;
    text-transform: uppercase;
}

.block5-price>h2 {
    margin-bottom: 10px;
    text-transform: uppercase;
    font-size: 35px;
    font-weight: 600;
    line-height: 45px;
    letter-spacing: 2px;
    text-align: center;
}

.block5-price>p:last-of-type {
    font-size: 16px;
    font-weight: 400;
    line-height: 24px;
    margin-bottom: 30px;
    text-align: center;
}

.block5-price-content {
    display: -webkit-box;
    display: -ms-flexbox;
    display: flex;
    -ms-flex-wrap: wrap;
        flex-wrap: wrap;
    gap: 30px;
}

.block5-price-content-element {
    width: calc(100% / 3 - (30px * 2 / 3));
    padding: 25px;
    border-radius: 10px;
    position: relative;
    overflow: hidden;

    -webkit-box-shadow:
        inset 2px 0 0 #00BFFF,
        /* левая грань */
        inset -2px 0 0 #00BFFF,
        /* правая грань */
        inset 0 -2px 0 #00BFFF,
        /* нижняя грань */
        inset 0 2px 0 #00BFFF;

            box-shadow:
        inset 2px 0 0 #00BFFF,
        /* левая грань */
        inset -2px 0 0 #00BFFF,
        /* правая грань */
        inset 0 -2px 0 #00BFFF,
        /* нижняя грань */
        inset 0 2px 0 #00BFFF;
    /* верхняя грань */
}

.block5-price-content-element-price {
    padding: 10px;
    font-size: 35px;
    font-weight: 600;
    line-height: 45px;
    font-family: "Playfair Display", serif;
    -webkit-box-shadow: -3px -3px 5px 0px rgba(0, 191, 255, 0.28);
            box-shadow: -3px -3px 5px 0px rgba(0, 191, 255, 0.28);
    background-color: rgb(0, 3, 10);
    border-radius: 10px;
}

.block5-price-content-element-pr-rice {
    display: -webkit-inline-box;
    display: -ms-inline-flexbox;
    display: inline-flex;
    background-color: #222222;
    padding: 5px;
    border-radius: 10px;
    margin-bottom: 20px;
}

.block5-price-content-element>h3 {
    font-size: 25px;
    font-weight: 600;
    line-height: 35px;
    text-transform: uppercase;
    margin-bottom: 10px;
}

.block5-price-content-element>p {
    color: #00BFFF;
    font-size: 16px;
    font-weight: 600;
    line-height: 24px;
    margin-bottom: 10px;
}

.block5-price-content-element>ul {
    margin-left: 16px;
    font-size: 16px;
    font-weight: 400;
    line-height: 24px;
    margin-bottom: 30px;
}

.block5-price-content-element>ul>li:not(:last-of-type) {
    margin-bottom: 5px;
}

.block6 {
    padding-top: 80px;
    padding-bottom: 80px;
    background-color: transparent;
    background-image: -webkit-gradient(linear, left top, left bottom, from(#010F30), to(#033546));
    background-image: -o-linear-gradient(top, #010F30 0%, #033546 100%);
    background-image: linear-gradient(180deg, #010F30 0%, #033546 100%);
}

.block6-content>p {
    text-align: center;
    font-family: "Playfair Display", serif;
    letter-spacing: 2px;
    font-size: 16px;
    font-weight: 600;
    line-height: 24px;
    margin-bottom: 10px;
    text-transform: uppercase;
}

.block6-content>h2 {
    margin-bottom: 30px;
    text-transform: uppercase;
    font-size: 35px;
    font-weight: 600;
    line-height: 45px;
    letter-spacing: 2px;
    text-align: center;
}

.block6-content>iframe {
    border-radius: 10px;
}

footer {
    background-color: #001138;
    padding-top: 80px;
    padding-bottom: 30px;
}

.footer-content-lvl1 {
    display: -webkit-box;
    display: -ms-flexbox;
    display: flex;
    -ms-flex-wrap: wrap;
        flex-wrap: wrap;
    gap: 30px;
}

.footer-content-lvl1-element {
    width: calc(100% / 3 - (30px * 2 / 3));
}

.footer-content-lvl1-element>img {
    margin-bottom: 30px;
    max-height: 30px;
    height: 100%;
    width: auto;
}

.footer-content-lvl1-element>p {
    font-size: 16px;
    font-weight: 400;
    line-height: 24px;
    margin-bottom: 30px;
}

.footer-content-lvl1-element>h3 {
    margin-bottom: 30px;
    font-size: 25px;
    font-weight: 600;
    line-height: 35px;
    text-transform: uppercase;
}

.footer-content-lvl1-element-cont-element {
    display: -webkit-box;
    display: -ms-flexbox;
    display: flex;
    gap: 10px;
}

.footer-content-lvl1-element-cont-element>img {
    height: 18px;
    width: auto;
    margin-top: auto;
    margin-bottom: auto;
    -webkit-filter: invert(64%) sepia(31%) saturate(6331%) hue-rotate(159deg) brightness(103%) contrast(101%);
            filter: invert(64%) sepia(31%) saturate(6331%) hue-rotate(159deg) brightness(103%) contrast(101%);
}

.footer-content-lvl1-element-cont-element>p {
    margin-top: auto;
    margin-bottom: auto;
    font-size: 16px;
    font-weight: 400;
    line-height: 24px;
}

.footer-content-lvl1-element>.footer-content-lvl1-element-cont-element:not(:last-of-type) {
    margin-bottom: 10px;
}

.footer-content-lvl1 {
    padding-bottom: 30px;
    margin-bottom: 30px;
    border-bottom: solid 1px #525252;
}

.footer-content-lvl2 {
    display: -webkit-box;
    display: -ms-flexbox;
    display: flex;
    -ms-flex-wrap: wrap;
        flex-wrap: wrap;
    gap: 30px;
}

.footer-content-lvl2>p {
    margin-top: auto;
    margin-bottom: auto;
    width: calc(100% / 2 - (30px * 1 / 2));
    font-size: 16px;
    font-weight: 400;
    line-height: 24px;
}

.footer-content-lvl2>p:last-of-type {
    text-align: right;
}

.footer-content-lvl2>p:last-of-type>a {
    color: white;
}

/* простейшее решение (вставить в ваши глобальные стили) */
html {
    scroll-behavior: smooth;
}

/* уважать настройку пользователя — если он предпочитает уменьшенные анимации,
   отключаем плавную прокрутку */
@media (prefers-reduced-motion: reduce) {
    html {
        scroll-behavior: auto !important;
    }
}


@media (max-width: 1200px) {
    .header-lvl2-left-content-left-text2, .header-lvl2-right-content-sod-text2, .header-lvl2-left-content-right>p, .block1>.block1-element:first-child>h2, .block2-content-lvl1>h2, .block3-lvl2-left-content>h2, .block4-content-lvl1>h2, .block5-price>h2, .block6-content>h2, .block4-contact-form-right>h2 {
        font-size: 30px;
    }

    .header-lvl3-sod>.header-lvl3-sod-element {
        width: calc(100% / 2 - (30px * 1 / 2));
    }

    .block1 {
        gap: 40px;
    }

    .block1-element {
        width: calc(100% / 2 - (40px * 1 / 2));
    }

    .block4-content-lvl2-element {
        width: calc(100% / 2 - (20px * 1 / 2));
    }
}

@media (max-width: 1000px) {
    .header-lvl1-right {
        display: none;
    }

    .header-lvl1-left, .header-lvl1-right {
        width: calc(30% - (20px * 1 / 2));
    }

    .header-lvl1-center {
        width: calc(100% - 30% - (20px * 1 / 2));
    }

    .header-menu {
        margin: auto 0 auto auto;
    }

    .block1-element {
        width: 100%;
    }

    .block1>.block1-element:first-child {
        border-radius: 20px 20px 0 0;
    }

    .block1>.block1-element:last-of-type {
        border-radius: 0 0 20px 20px;
    }

    .block2-content-lvl2>.block2-content-lvl2-element {
        width: 100%;
    }

    .block3-lvl1-img {
        width: calc(100% / 2 - (30px * 1 / 2));
    }

    .block3-lvl1>.block3-lvl1-img:last-of-type {
        display: none;
    }

    .block3-lvl3-img {
        width: calc(100% / 2 - (30px * 1 / 2));
    }

    .block5-price-content-element {
        width: 100%;
    }

    .header-lvl2>div {
        width: 100%;
    }

    .header-lvl2 {
        -ms-flex-wrap: wrap;
            flex-wrap: wrap;
    }

    .header-lvl2-left-content {
        padding-top: 150px;
        padding-bottom: 30px;
    }

    .header-lvl2-right-content-sod {
        padding-left: 20px;
        padding-top: 30px;
    }

    .header-lvl2-right-content {
        padding-bottom: 30px;
    }
}

@media (min-width: 801px) {
    .mobil-button, .mobile-menu {
        display: none;
    }
}

@media (max-width: 800px) {
    .header-menu {
        display: none;
    }

    .header-lvl3-sod>.header-lvl3-sod-element {
        width: 100%;
    }

    /* 1 и 2 блок – линии снизу */
    .header-lvl3-sod>.header-lvl3-sod-element:nth-child(2),
    .header-lvl3-sod>.header-lvl3-sod-element:nth-child(4) {
        -webkit-box-shadow:
            inset 2px -2px 0 #00BFFF,
            /* левая грань */
            inset -2px -2px 0 #00BFFF,
            /* правая грань */
            inset 0 -2px 0 #00BFFF;
                box-shadow:
            inset 2px -2px 0 #00BFFF,
            /* левая грань */
            inset -2px -2px 0 #00BFFF,
            /* правая грань */
            inset 0 -2px 0 #00BFFF;
        /* низ */
    }

    /* 3 и 4 блок – линии сверху */
    .header-lvl3-sod>.header-lvl3-sod-element:nth-child(1),
    .header-lvl3-sod>.header-lvl3-sod-element:nth-child(3) {
        -webkit-box-shadow:
            inset 2px 2px 0 #00BFFF,
            /* левая грань */
            inset -2px 2px 0 #00BFFF,
            /* правая грань */
            inset 0 2px 0 #00BFFF;
                box-shadow:
            inset 2px 2px 0 #00BFFF,
            /* левая грань */
            inset -2px 2px 0 #00BFFF,
            /* правая грань */
            inset 0 2px 0 #00BFFF;
        /* верх */
    }

    .block4-contact-form-left {
        display: none;
    }

    .block4-contact-form-right {
        width: 100%;
        border-radius: 10px;
    }

    .footer-content-lvl1-element {
        width: 100%;
    }

    .footer-content-lvl2>p {
        width: 100%;
    }

    .footer-content-lvl2>p {
        text-align: center;
    }

    .footer-content-lvl2>p:last-of-type {
        text-align: center;
    }

    .block6-content>iframe {
        height: 400px;
    }

    .header-lvl2-left-content-left-text2, .header-lvl2-right-content-sod-text2, .header-lvl2-left-content-right>p, .block1>.block1-element:first-child>h2, .block2-content-lvl1>h2, .block3-lvl2-left-content>h2, .block4-content-lvl1>h2, .block5-price>h2, .block6-content>h2, .block4-contact-form-right>h2 {
        font-size: 27px;
    }

    .block3-lvl2>div {
        width: 100%;
    }

    .block3-lvl2-right>p {
        margin-left: 0;
        text-align: left;
        max-width: 100%;
    }

    .block3-lvl3-img {
        height: 150px;
    }

    .block4-content-lvl2-element {
        width: 100%;
    }

    .mobil-button {
        display: -webkit-box;
        display: -ms-flexbox;
        display: flex;
        margin-top: auto;
        margin-left: auto;
        margin-bottom: auto;
        cursor: pointer;
    }

    .mobil-button>img {
        display: -webkit-box;
        display: -ms-flexbox;
        display: flex;
        height: 35px;
        width: auto;
        -webkit-filter: invert(100%) sepia(0%) saturate(0%) hue-rotate(133deg) brightness(106%) contrast(102%);
                filter: invert(100%) sepia(0%) saturate(0%) hue-rotate(133deg) brightness(106%) contrast(102%);
    }

    .mobile-menu {
        position: absolute;
        top: 100%;
        /* сразу под .header-lvl1 */
        left: 0;
        right: 0;
        background: rgb(0, 3, 10);
        padding: 20px;
        -webkit-transform: translateY(-100%);
            -ms-transform: translateY(-100%);
                transform: translateY(-100%);
        opacity: 0;
        visibility: hidden;
        -webkit-transition: all 0.4s ease;
        -o-transition: all 0.4s ease;
        transition: all 0.4s ease;
        z-index: 999;
        border-radius: 10px;

        /* Добавляем тени по всем сторонам */
        -webkit-box-shadow:
            inset 2px 2px 0 #00BFFF,
            /* верхняя левая грань */
            inset -2px 2px 0 #00BFFF,
            /* верхняя правая грань */
            inset -2px -2px 0 #00BFFF,
            /* нижняя правая грань */
            inset 2px -2px 0 #00BFFF;
                box-shadow:
            inset 2px 2px 0 #00BFFF,
            /* верхняя левая грань */
            inset -2px 2px 0 #00BFFF,
            /* верхняя правая грань */
            inset -2px -2px 0 #00BFFF,
            /* нижняя правая грань */
            inset 2px -2px 0 #00BFFF;
        /* нижняя левая грань */
    }

    .mobile-menu ul {
        list-style: none;
        margin: 0;
        padding: 0;
        text-align: center;
    }

    .mobile-menu ul li {
        margin: 15px 0;
    }

    .mobile-menu ul li a {
        color: white;
        text-decoration: none;
        font-size: 18px;
        font-weight: 600;
    }

    .mobile-menu.active {
        -webkit-transform: translateY(0);
            -ms-transform: translateY(0);
                transform: translateY(0);
        opacity: 1;
        visibility: visible;
    }

    .header-lvl1-left, .header-lvl1-right, .header-lvl1-center {
        width: calc(50% - (20px * 1 / 2));
    }
}