@import url('https://fonts.googleapis.com/css2?family=Outfit:wght@100..900&display=swap');

* {
    margin: 0;
    padding: 0;
}

:root {
    --white: #fff;
    --gray-light: #ccc;
    --gray-light-2: #D7DAE2;
    --gray: #6c757d;
    --white-transparent-1: #ffffffaa;
    --white-transparent-2: #ffffff77;

    --button-primary-text-color: #fff;
    --button-primary-bg-color: #052838;
    --button-primary-hover-color: #0C3D54;
    --button-primary-pressed-color: #041A24;
    --button-primary-focus-color: #052838;

    --button-primary-disabled-bg-color: #F7F8FA;
    --button-primary-disabled-text-color: #999EAD;

    --button-secondary-text-color: #052838;
    --button-secondary-bg-color: #fff;
    --button-secondary-hover-color: #F7F8FA;
    --button-secondary-pressed-color: #F2F4F8;
    --button-secondary-focus-color: #F7F8FA;

    --button-secondary-disabled-bg-color: #F7F8FA;
    --button-secondary-disabled-text-color: #999EAD;


    --text-menu: #375360;
    --text-menu-active: #052838;
    --text-hint: #999EAD;

    --project-card-bg: #0d1b2a;
    --accordion-after: #F7F8FA;
    --accordion-button: #052838;
}

/* Buttons */
.button, .button-m {
    display: flex;
    align-items: center;
    justify-content: center;
    height: 24px;
    border-radius: 12px;
    padding: 16px 24px;
    gap: 12px;
    position: relative;
    text-decoration: none;
    font-family: Outfit, serif;
    font-size: 16px;
    line-height: 24px;
    letter-spacing: 0;
    text-align: center;
    width: fit-content;
    box-sizing: content-box;
    border: none;

    .button__prefix, .button__suffix {
        display: none;
    }

    &.button--with-prefix .button__prefix {
        display: block;
    }

    &.button--with-suffix .button__suffix {
        display: block;
    }
}

.button-m {
    height: 24px;
    padding: 10px 12px;
}

.button-primary, .button-primary:visited {
    color: var(--button-primary-text-color);
    background-color: var(--button-primary-bg-color);

    &.button--with-prefix .button__prefix {
        fill: var(--button-primary-text-color);
    }

    &.button--with-suffix .button__suffix {
        fill: var(--button-primary-text-color);
    }
}

.button-primary:hover {
    color: var(--button-primary-text-color);
    background-color: var(--button-primary-hover-color);
}

.button-primary:active {
    background-color: var(--button-primary-pressed-color);
}

.button-primary:focus {
    background-color: var(--button-primary-focus-color);
}

.button-primary:disabled, .button-primary-disabled {
    color: var(--button-primary-disabled-text-color);
    background-color: var(--button-primary-disabled-bg-color);

    &.button--with-prefix .button__prefix {
        fill: var(--button-primary-disabled-text-color);
    }

    &.button--with-suffix .button__suffix {
        fill: var(--button-primary-disabled-text-color);
    }
}

.button-primary-disabled:hover {
    background-color: var(--button-primary-disabled-bg-color);
}

.button-secondary, .button-secondary:visited {
    color: var(--button-secondary-text-color);
    background-color: var(--button-secondary-bg-color);

    &.button--with-prefix .button__prefix {
        fill: var(--button-secondary-text-color);
    }

    &.button--with-suffix .button__suffix {
        fill: var(--button-secondary-text-color);
    }
}

.button-secondary:hover {
    color: var(--button-secondary-text-color);
    background-color: var(--button-secondary-hover-color);
}

.button-secondary:active {
    background-color: var(--button-secondary-pressed-color);
}

.button-secondary:focus {
    background-color: var(--button-secondary-focus-color);
}

.button-secondary:disabled, .button-secondary-disabled {
    color: var(--button-secondary-disabled-text-color);
    background-color: var(--button-secondary-disabled-bg-color);

    &.button--with-prefix .button__prefix {
        fill: var(--button-secondary-disabled-text-color);
    }

    &.button--with-suffix .button__suffix {
        fill: var(--button-secondary-disabled-text-color);
    }
}

.button-secondary-disabled:hover {
    background-color: var(--button-secondary-disabled-bg-color);
}

/* Buttons */

.header {
    display: flex;
    width: 100%;
    justify-content: space-between;
    align-items: center;
    position: fixed;
    font-family: Outfit, serif;
    font-size: 14px;
    z-index: 999;
    padding: 20px 120px;
    background-color: #FFFFFF00; /* прозрачный */
    transition:
            background-color 0.2s linear,
            transform 0.3s ease; /* плавный выезд */

    &.hidden {
        transform: translateY(-100%); /* прячем вверх */
    }

    nav {
        width: 25%;
        box-sizing: content-box;

        .main_menu {
            display: flex;
            justify-content: space-between;
            list-style-type: none;
            margin: 0;
            padding: 0;

            > li > a {
                color: var(--text-menu);
                text-decoration: none;
            }

            > li > a.active {
                color: var(--text-menu-active);
                text-decoration: underline;
            }
        }
    }
}

.screen-1, .screen-2, .screen-3, .screen-4, .screen-5, .screen-6, .screen-7 {
    display: flex;
    justify-content: center;
    align-items: flex-start;
    padding: 120px;
}

.screen-3, .screen-4, .screen-5 {
    .button.button-primary {
        width: 212px;
        float: right;
        margin-top: 20px;
    }
}

.screen-1 {
    background: url(assets/image1.png) no-repeat right;
    background-size: contain;
    height: 1020px;
    flex-direction: column;

    .screen1_h1 {
        margin-bottom: 20px;
        font-family: Outfit, serif;
        font-weight: 700;
        font-size: 100px;
        line-height: 110px;
        letter-spacing: 0;
        max-width: 35%;
        text-align: left;
    }

    .screen1_description {
        max-width: 35%;
        text-align: left;
        margin-bottom: 30px;
        font-family: Outfit, serif;
        font-size: 20px;
    }
}

.screen-2 {
    text-align: left;
    align-items: center;

    .screen2_description {
        text-align: left;
        margin-bottom: 20px;
        font-family: Outfit, serif;
        font-size: 20px;
    }
}

.screen2_h2 {
    margin-bottom: 20px;
    font-family: Outfit, serif;
    font-weight: 700;
    font-size: 64px;
    line-height: 44px;
    letter-spacing: 0;
    text-align: left;
}

.content-2 {
    display: flex;
    flex-direction: column;
    gap: 16px;
    max-width: 50%;
    margin-right: 2%;
}

.image-2 {
    margin-top: 20px;
    max-width: 50%;
    border-radius: 12px;
}

.screen3_description {
    max-width: 40%;
    text-align: left;
    margin-bottom: 30px;
    font-family: Outfit, serif;
    font-size: 16px;
}

.project-card {
    border-radius: 12px;
    overflow: hidden;
    height: 544px;
    display: flex;
    flex-direction: column;
}

.project-card img {
    height: 400px;
    object-fit: cover;
}

.project-card .card-body {
    background-color: var(--project-card-bg);
    color: var(--white);
    padding: 20px;
    height: 144px;
    display: flex;
    flex-direction: column;
    justify-content: flex-start;
}

.project-card .card-title {
    margin-bottom: 8px;
}

.project-card .card-text {
    overflow: hidden;
}

.carousel-control-prev {
    left: -5%;
    width: 10%
}

.carousel-control-next {
    right: -5%;
    width: 10%
}

.carousel-control-prev-icon, .carousel-control-next-icon {
    background-color: var(--project-card-bg);
    background-size: 40%, 40%;
    border-radius: 50%;
    padding: 20px;
    width: 64px;
    height: 64px;
}

.carousel-indicators {
    position: static;
    margin-top: 15px;
}

.carousel-indicators [data-bs-target] {
    width: 40px;
    height: 3px;
    background-color: var(--gray-light);
    border: none;
    border-radius: 2px;
}

.carousel-indicators .active {
    background-color: var(--project-card-bg);
}

.slide-counter {
    font-weight: 500;
    color: var(--gray);
    margin-top: 5px;
}

.screen-4 {
    text-align: left;
    flex-direction: column;
}

.certifications {
    display: flex;
    gap: 20px;
    flex-wrap: wrap;
}

.certification {
    flex: 1 1 32%;
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: left;
    color: var(--button-primary-text-color);
    background-color: var(--button-primary-bg-color);
    border-radius: 12px;
    padding: 20px;
    height: 280px;
}

.certification-card-name {
    font-family: Outfit, serif;
    font-weight: 600;
    font-size: 24px;
    line-height: 100%;
    letter-spacing: 0;
}

.certification-card-description {
    font-family: Outfit, serif;
    font-weight: 200;
    font-size: 16px;
    line-height: 24px;
    letter-spacing: 0;
    color: var(--gray-light-2);
}

.certification-text {
    display: flex;
    flex-direction: column;
    margin-top: 10px;
    width: 100%;
}

.certification-botton {
    display: flex;
    flex-direction: row;
    align-items: end;
    justify-content: space-between;
    width: 100%;
    flex: auto;
}

.certification-card-winner {
    font-family: Outfit, serif;
    font-weight: 500;
    font-size: 16px;
    line-height: 100%;
    letter-spacing: 0;
    color: var(--gray-light-2);
    border: 1px solid var(--white);
    border-radius: 8px;
    padding: 4px 12px 4px 12px;
    margin-bottom: 0;
}

.carousel-label {
    font-family: Outfit, serif;
    font-weight: 600;
    font-size: 32px;
    line-height: 100%;
    letter-spacing: 0;
    color: var(--white);
    margin-bottom: 10px;
    text-align: left;
}

.carousel-text {
    font-family: Outfit, serif;
    font-weight: 400;
    font-size: 20px;
    line-height: 32px;
    letter-spacing: 0;
    text-align: left;
    max-width: 50%;
    color: var(--gray-light-2);
}

.screen-5 .carousel-inner {
    border-radius: 12px;
}

#carouselTrustedPartners {
    .carousel-item {
        height: 584px;

        .carousel-image {
            height: 584px;
            object-fit: cover;
            object-position: center;
        }

        .carousel-caption {
            background-color: var(--button-primary-bg-color);
            width: 100%;
            margin: 0;
            padding: 20px 24px 44px 24px;
            left: 0;
            bottom: 0;
        }
    }
}

.screen-6 {
    text-align: left;

    .screen2_h2 {
        font-weight: 700;
        font-size: 64px;
        line-height: 64px;
        letter-spacing: 0;
    }

    .accordion-item {
        border: none;
        border-bottom: 1px solid var(--gray-light-2);
    }

    .accordion-button::after {
        background-color: var(--accordion-after);
        border-radius: 50%;
        padding: 12px 12px 12px 12px;
        width: 32px;
        height: 32px;
        background-position: center;
    }

    .accordion-button {
        font-weight: 600;
        font-size: 24px;
        line-height: 100%;
        letter-spacing: 0;
        color: var(--accordion-button);
        background-color: var(--white);
        border: none;
        box-shadow: none;
        padding: 32px 0 32px 20px;
    }

    .accordion-button:not(.collapsed) {

        font-weight: 600;
        font-size: 24px;
        line-height: 100%;
        letter-spacing: 0;
        color: var(--accordion-button);
        background-color: var(--white);

    }
}

div#faq-accordion {
    width: 50%;
}

.screen-7 {
    padding: 20px 120px;

    .content-7 {
        display: flex;
        flex-direction: row;
        align-items: center;
        text-align: center;
        gap: 20px;
        max-width: 100%;
        background-color: var(--button-primary-bg-color);
        padding: 60px;
        border-radius: 24px;
    }

    .screen7_h2 {
        margin-bottom: 20px;
        font-family: Outfit, serif;
        font-weight: 700;
        font-size: 40px;
        line-height: 44px;
        letter-spacing: 0;
        text-align: left;
        color: var(--white);
    }

    .screen7_description {
        text-align: justify;
        margin-bottom: 20px;
        font-family: Outfit, serif;
        font-size: 20px;
        color: var(--gray-light-2);
        padding-right: 18%;
    }

    .screen7_hint {
        font-family: Outfit, serif;
        font-size: 12px;
        margin-top: 10px;
        color: var(--text-hint);
        text-align: left;
    }

    .form {
        width: 83%;
    }

    .form-control {
        height: 24px;
        padding: 28px 24px;
        border-radius: 12px;
    }
}

.form {
    display: flex;
    flex-direction: row;
    align-items: center;
    gap: 12px;
    width: 100%;

    .form-control {
        background-color: transparent;
        border: 1px solid #375360;
    }

    .form-control::placeholder {
        font-weight: 400;
        font-size: 16px;
        line-height: 24px;
        letter-spacing: 0;
        vertical-align: middle;
        color: #999EAD;
    }
}

.footer_content {
    padding: 100px 120px;
    font-family: Outfit, serif;
    display: flex;
    flex-direction: row;
    justify-content: space-between;

    .footer_logo {
        display: flex;
        flex-direction: column;

        .footer_copyright {
            font-family: Outfit, serif;
            font-size: 14px;
            color: #375360;
            margin-top: 10px;
        }

        .footer_socials {
            display: flex;
            justify-content: space-between;
            margin-top: auto;

            .footer_social-link {
                text-decoration: none;
            }
        }
    }

    nav {
        width: 30%;

        .footer_menu {
            display: flex;
            list-style-type: none;
            flex-wrap: wrap;
            gap: 16px 64px;
            padding: 0;

            > li {
                flex-basis: 20%;

                > a {
                    color: var(--text-menu);
                    text-decoration: none;
                }

                > a.active {
                    color: var(--text-menu-active);
                    text-decoration: underline;
                }
            }
        }
    }

    .footer_subscribe {
        display: flex;
        flex-direction: column;
        gap: 20px;
        width: 32%;

        .footer_h4 {
            font-family: Outfit, serif;
            font-weight: 600;
            font-size: 24px;
            line-height: 100%;
            letter-spacing: 0;
            color: #375360;
            margin: 0;
        }

        .footer_text {
            font-family: Outfit, serif;
            font-weight: 400;
            font-size: 14px;
            line-height: 20px;
            letter-spacing: 0;
            color: #375360;
            margin: 0;
        }

        .footer-form {
            display: flex;
            flex-direction: row;
            align-items: center;
            gap: 12px;

            .form-control {
                padding: 10px;
                border-radius: 12px;
            }

            .button.button-primary {
                padding: 10px 24px;
            }
        }
    }
}

@media only screen and (max-width: 992px) {
    .header {
        padding: 20px 50px 20px 50px;
        background-color: var(--white-transparent-1);

        nav {
            width: 45%;
        }
    }

    .screen-1 {
        margin: 0;
        width: 100%;
        padding: 0;
        background-size: cover;
        height: auto;
        background-color: rgba(255, 255, 255, 0.4);
        background-blend-mode: lighten;

        .screen1_h1 {
            font-size: 32px;
            width: 100%;
            line-height: 32px;
            max-width: 100%;
            padding: 120px 15px 15px 15px;
            text-align: left;
        }

        .screen1_description {
            width: 100%;
            max-width: 50%;
            padding: 15px;
            margin: 0;
        }

        a.button.button-primary {
            margin: 10px 0 25px 10px;
        }
    }

    .screen-2 {
        padding: 0;
        flex-direction: column;
        position: relative;
        height: 580px;
        align-items: flex-start;

        .image-2 {
            position: absolute;
            top: 40px;
            width: 100%;
            max-width: 100%;
            object-fit: cover;
            z-index: -1;
            border-radius: 0;
            height: 500px;
            margin: 0;
        }

        .content-2 {
            max-width: 75%;
            gap: 0;
            margin: 0 0 0 0;
            background-color: var(--white-transparent-2);
            border-radius: 0 12px 12px 0;

            .screen2_h2 {
                padding: 10px 15px;
                margin-top: 0;
                margin-bottom: 0;
                font-size: 34px;
            }

            .screen2_description {
                text-align: left;
                font-family: Outfit, serif;
                padding: 0 15px;
                margin: 0;
                font-size: 12px;
            }

            a.button.button-primary {
                margin: 10px 10px 20px 10px;
                width: 50%;
                align-self: center;
            }
        }
    }

    .screen-3 {
        padding: 0 5%;
        margin: 0;

        .project-card .card-body {
            padding: 10px;

            .card-title {
                font-size: 18px;
            }

            .card-text {
                font-size: 12px;
            }
        }

        #portfolioCarousel {
            margin: 0;

            .carousel-control-prev {
                left: -5%;
                width: 10%;
            }

            .carousel-control-next {
                right: -5%;
                width: 10%;
            }
        }

        #slideCounter {
            display: none;
        }

        .content a.button.button-primary {
            float: none;
            margin: 0 auto;

            .button__suffix {
                display: none;
            }
        }

        .screen2_h2 {
            width: 100%;
            font-size: 32px;
            margin: 0;
            padding: 0 10px;
        }

        .screen3_description {
            width: 100%;
            font-size: 12px;
            max-width: 100%;
            padding: 0 10px;
        }

        .project-card {
            height: 350px;

            img {
                height: calc(350px - 100px);
                object-fit: cover;
            }
        }

        .carousel-control-prev-icon, .carousel-control-next-icon {
            padding: 20px;
            width: 32px;
            height: 32px;
        }
    }

    .screen-4 {
        flex-direction: row;
        width: 100%;
        padding: 0 5%;

        .screen2_h2 {
            font-size: 32px;
            padding: 20px 10px 20px 10px;
            margin: 0;
        }

        .screen3_description {
            width: 100%;
            max-width: 100%;
            padding: 0 10px 20px 10px;
            margin: 0;
        }

        .certifications {
            padding: 10px;
        }

        .certification {
            height: 260px;
        }

        .certification-botton {
            img {
                width: 60px;
            }
        }

        .content > a.button.button-primary {
            float: none;
            margin: 0 auto;
            padding: 12px 16px;

            .button__suffix {
                display: none;
            }
        }
    }

    .screen-5 {
        padding: 0 5%;
        margin: 0;

        .screen2_h2 {
            text-align: center;
            font-size: 32px;
            margin-top: 40px;
        }

        .screen3_description {
            width: 100%;
            max-width: 100%;
            padding: 10px;
            text-align: justify;
        }

        #carouselTrustedPartners {
            margin: 0 20px;

            .carousel-item {
                height: 450px;

                .carousel-image {
                    height: 450px;
                    object-fit: cover;
                    object-position: center;
                }
            }

            .carousel-control-prev {
                left: -5%;
                width: 10%;
            }

            .carousel-control-next {
                right: -5%;
                width: 10%;
            }

            h5.carousel-label {
                font-size: 24px;
            }

            p.carousel-text {
                font-size: 14px;
                line-height: normal;
                margin: 0;
            }

            .carousel-caption.d-none.d-md-block {
                padding: 14px 20px 14px 20px;
            }

            .carousel-control-prev-icon, .carousel-control-next-icon {
                padding: 20px;
                width: 32px;
                height: 32px;
            }
        }

        .content > a.button.button-primary {
            float: none;
            margin: 0 auto;
            padding: 12px 16px;

            .button__suffix {
                display: none;
            }
        }
    }

    .screen-6 {
        padding: 0 5%;
        flex-direction: column;
        max-width: 100%;
        width: 100%;
        margin: 0;

        .accordion-button:not(.collapsed) {
            font-size: 18px;
        }

        .accordion-button {
            font-size: 18px;
            padding: 12px 12px 12px 20px;
        }

        .accordion-body {
            padding: 8px 20px;
            text-align: justify;
        }

        .content-2 {
            max-width: 100%;
            width: 100%;

            .screen2_h2 {
                text-align: center;
                font-size: 32px;
                margin-top: 40px;
                line-height: normal;
            }
        }

        div#faq-accordion {
            width: 100%;
        }
    }

    .screen-7 {
        padding: 20px 5%;

        .content-7 {
            padding: 20px;

            .screen7_h2 {
                font-size: 24px;
            }

            .screen7_description {
                font-size: 14px;
                padding-right: 3%;
            }

            .form {
                width: 97%;
            }
        }

    }

    .footer_content {
        padding: 20px 50px;

        .footer_subscribe {
            width: 40%;
        }
    }
}

@media only screen and (max-width: 576px) {
    .header {
        width: 100%;
        flex-direction: row;
        padding: 10px 10px;
        gap: 5px;
        flex-wrap: wrap;

        img.logo {
            display: block;
            order: 1;
            width: 60%;
        }

        nav {
            width: 100%;
            order: 3;
        }

        .button-m {
            order: 2;
            width: 24px;
            border-radius: 50%;
            padding: 10px;

            > span {
                display: none;
            }
        }
    }

    .screen-1 {
        .screen1_h1 {
            text-align: center;
        }

        .screen1_description {
            max-width: 100%;
        }

        a.button.button-primary {
            margin: 0 auto 25px auto;
        }
    }

    .screen-3 {
        padding: 0 20px;

        div#portfolioCarousel {
            margin: 0;

            .carousel-control-prev {
                left: -7%;
                width: 15%;
            }

            .carousel-control-next {
                right: -7%;
                width: 15%;
            }
        }
    }

    .screen-4 {
        .certifications {
            flex-direction: column;
        }
    }

    .screen-5 {
        padding: 0 7%;

        #carouselTrustedPartners {
            margin: 0;

            p.carousel-text {
                max-width: 100%;
                text-align: justify;
            }

            .carousel-item {
                .carousel-caption {
                    padding: 12px;
                }
            }
        }
    }

    .screen-6 {
        padding: 0;
    }

    .screen-7 {
        padding: 10px 3%;
        margin-top: 25px;

        .content-7 {
            padding: 10px;

            .screen7_h2 {
                font-size: 24px;
            }

            .screen7_description {
                font-size: 14px;
                padding: 0;
            }
        }

        .image-2 {
            display: none;
        }

        .form {
            width: 100%;
        }
    }

    .footer_content {
        width: 100%;
        padding: 0;
        flex-wrap: wrap;

        .footer_logo {
            order: 2;
            width: 55%;
            padding: 10px;

            .footer_socials {
                justify-content: space-between;
            }
        }

        nav {
            order: 1;
            width: 45%;
            text-align: center;

            .footer_menu {
                display: flex;
                flex-direction: column;
                list-style-type: none;
                flex-wrap: wrap;
                gap: 3px;
                width: 100%;
                margin: 0;
                padding: 10px;
            }
        }

        .footer_subscribe {
            order: 3;
            padding: 15px;
            width: 100%;

            .footer_h4 {
                text-align: center;
            }
        }
    }
}