@font-face {
  font-family: vazir;
  src: url("/client/fonts/Vazir-Regular-FD.woff") format("woff");
  font-weight: normal;
  font-display: block;
}

@font-face {
    font-family: vazir;
    src: url("/client/fonts/Vazir-Bold-FD.woff") format("woff");
    font-weight: bold;
    font-display: block;
}

body {
    font-family: vazir;
}

#blazor-error-ui {
    background: lightyellow;
    bottom: 0;
    box-shadow: 0 -1px 2px rgba(0, 0, 0, 0.2);
    display: none;
    left: 0;
    padding: 0.6rem 1.25rem 0.7rem 1.25rem;
    position: fixed;
    width: 100%;
    z-index: 1000;
}

    #blazor-error-ui .dismiss {
        cursor: pointer;
        position: absolute;
        right: 0.75rem;
        top: 0.5rem;
    }

.blazor-error-boundary {
    background: url(data:image/svg+xml;base64,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) no-repeat 1rem/1.8rem, #b32121;
    padding: 1rem 1rem 1rem 3.7rem;
    color: white;
}

    .blazor-error-boundary::after {
        content: "An error has occurred."
    }

.loading-progress {
    position: absolute;
    text-align: center;
    font-weight: bold;
    inset: calc(20vh + 3.25rem) 0 auto 0.2rem;
}

    .loading-progress .spinner-grow {
        width: 3rem;
        height: 3rem;
    }
/* ============================== Variables */
:root {
    --blue-light: #007dfe;
    --blue-dark: #4d63dd;
    --blue-dark-2: #0137a4;
}

/* ============================== CSS RESET */
* {
    margin: 0;
    padding: 0;
}

ol,
ul {
    margin: 0;
    padding: 0;
}

li {
    list-style: none;
}

a {
    text-decoration: none;
}

html {
    font-size: 10px;
}

/* === btn Round */
.btn-round a {
    background-color: var(--blue-dark-2);
    font-size: 1.5rem;
    display: inline-block;
    color: #fff;
    padding: 0.6rem 0.6rem 0.6rem 0.6rem;
    border-radius: 2rem;
    transition: all 0.3s ease;
}

.btn-round span {
    margin-left: 1rem;
}

.btn-round i {
    vertical-align: middle;
    background-color: var(--blue-dark);
    width: 3rem;
    height: 3rem;
    border-radius: 50%;
    text-align: center;
    line-height: 3rem;
    transition: all 0.3s ease;
}

.btn-round a:hover {
    background-color: var(--blue-dark);
}

    .btn-round a:hover i {
        background-color: var(--blue-dark-2);
    }

/* === Btn main */
.btn-main a {
    background-color: var(--blue-dark);
    display: inline-block;
    color: #fff;
    font-size: 1.4rem;
    padding: 0.5rem 2rem;
    border-radius: 0.5rem;
    transition: all 0.3s ease;
}

    .btn-main a span {
        margin-left: 1.5rem;
    }

    .btn-main a i {
        vertical-align: middle;
        font-size: 1.2rem;
    }

    .btn-main a:hover {
        background-color: var(--blue-dark-2);
    }

/* === Btn more */
.btn-more a {
    font-size: 1.4rem;
    border: 2px solid var(--blue-dark);
    padding: 0.6rem 2rem;
    border-radius: 2rem;
    transition: all 0.3s ease;
    display: inline-block;
    color: var(--blue-dark);
    position: relative;
    overflow: hidden;
}

    .btn-more a:hover {
        transform: scale(1.2);
        color: #fff;
        background-color: var(--blue-dark);
    }

    .btn-more a::before {
        content: "";
        position: absolute;
        left: 0;
        top: 0;
        width: 100%;
        height: 80%;
        background-color: var(--blue-dark);
        transition: all 0.3s ease;
        z-index: -1;
        transform: rotate(90deg);
        opacity: 0;
    }

    .btn-more a:hover::before {
        opacity: 1;
        transform: rotate(0);
    }

/* === Responsive Btn */
.responsive-btn {
    background-color: #efefef;
    outline: none;
    border: none;
    font-size: 2.5rem;
    padding: 0.6rem 1.2rem;
    border-radius: 1rem;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
}

/* === Header main */
.header-main {
    background-image: url("/client/img/header/bg-header.jpg");
    background-position: center top;
    background-size: contain;
    padding: 0rem 6rem;
    height: 74.2rem;
}

.header-main__wrapper {
    height: 100%;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

.header-main__menu {
    background-color: #fff;
    /*box-shadow: 0 4px 14px rgba(5, 81, 81, 0.07);*/
    border-radius: 5px;
    padding: 1rem;
}

.header-main__menu-brand a img {
    width: 10rem;
}

.header-main__menu-list > ul {
    display: flex;
    align-items: center;
}

    .header-main__menu-list > ul > li {
        margin-left: 4rem;
        position: relative;
        padding: 1.7rem 0;
    }

.header-main__menu-list ul li a {
    font-size: 1.5rem;
    color: #001b24;
    position: relative;
    transition: color 0.3s ease;
}

.header-main__menu-list > ul > li:hover > a {
    color: var(--blue-light);
}

.header-main__menu-list ul li i {
    font-size: 1.1rem;
    color: #587c8a;
    margin-right: 0.8rem;
    vertical-align: middle;
}

.header-main__menu-list > ul > li::after {
    content: "";
    position: absolute;
    background-color: var(--blue-light);
    width: 30%;
    height: 0.3rem;
    bottom: 3px;
    left: 0;
    right: 0;
    margin: 0 auto;
    opacity: 0;
    transition: all 0.3s ease;
}

.header-main__menu-list > ul > li:hover::after {
    opacity: 1;
    visibility: visible;
    width: 80%;
}

.header-main__menu-list > ul > li:hover > a i {
    color: var(--blue-light);
}

/* level 1 menu */
.header-main__menu-list > ul > li > ul {
    position: absolute;
    background-color: #fff;
    width: 25rem;
    right: 0;
    top: 5.7rem;
    padding: 1.4rem;
    border-radius: 0.4rem;
    box-shadow: 0 4px 14px rgba(5, 81, 81, 0.07);
    visibility: hidden;
    opacity: 0;
    transition: all 0.3s ease;
    transform: translateY(5rem);
}

.header-main__menu-list > ul > li:hover > ul {
    visibility: visible;
    opacity: 1;
    transform: translateY(0);
}

.header-main__menu-list > ul > li > ul li {
    padding: 1rem;
    border-top: 1px solid #efefef;
    transition: all 0.3s ease;
    position: relative;
}

    .header-main__menu-list > ul > li > ul li:first-child {
        border-top-color: transparent;
    }

    .header-main__menu-list > ul > li > ul li:hover {
        background-color: #efefef;
    }

.header-main__menu-list ul li ul li a i {
    float: left;
    line-height: 2rem;
}

/* level 2 menu */
.header-main__menu-list > ul > li > ul li ul {
    position: absolute;
    width: 25rem;
    right: 106%;
    background-color: #fff;
    top: 0;
    border-radius: 0.4rem;
    padding: 1.4rem;
    box-shadow: 0 4px 14px rgba(5, 81, 81, 0.07);
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
}

.header-main__menu-list > ul > li > ul li:hover ul {
    visibility: visible;
    opacity: 1;
}

/* === Header Content */
.header-main__content {
    margin-bottom: 7rem;
}

.header-main__content-box {
    background-color: #fff;
    width: 40%;
    padding: 2rem 2rem 1rem;
    border-radius: 7rem 3rem 2rem 2rem;
}

.header-main__content-title {
    font-size: 3rem;
    font-weight: bold;
    margin-bottom: 2rem;
    color: #001b24;
}

.header-main__content-desc {
    font-size: 1.5rem;
    line-height: 3rem;
}

/* === Responsive Menu */
.responsive-menu__header {
    background-color: #f6f7f8;
    border-bottom: 1px solid #d0d7de;
    height: 6vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    padding: 0 2.5rem;
}

    .responsive-menu__header .btn-close {
        font-size: 1.4rem;
        color: #57606a !important;
        opacity: 1;
    }

.responsive-menu__body {
    height: 100%;
    overflow-y: scroll;
}

.responsive-menu__list > ul > li {
    border-bottom: 1px solid #f1f1f1;
    margin-bottom: 0.5rem;
    padding: 1.5rem 1rem;
}

    .responsive-menu__list > ul > li:last-child {
        border-bottom: none;
    }

    .responsive-menu__list > ul > li > a {
        font-size: 1.8rem;
        color: #242424;
    }

    .responsive-menu__list > ul > li i {
        background-color: #0098b1;
        height: 25px;
        width: 25px;
        font-size: 1.2rem;
        color: #fff;
        float: left;
        border-radius: 50%;
        display: flex;
        justify-content: center;
        align-items: center;
        margin-top: -3px;
        transition: 0.3s ease;
        cursor: pointer;
    }

.responsive-menu__list ul li i.rotate {
    transform: rotate(180deg);
}

.responsive-menu__list > ul > li ul li i {
    background-color: #adb5bd;
    height: 20px;
    width: 20px;
    font-size: 1.1rem;
    margin-top: auto;
}

.responsive-menu__list ul li ul {
    background-color: #e9ecef;
    border-radius: 1rem;
    margin-top: 0;
    height: 0;
    overflow: hidden;
    opacity: 0;
    transition: 0.3s ease-in-out;
}

    .responsive-menu__list ul li ul.show {
        margin-top: 2rem;
        height: auto;
        opacity: 1;
    }

    .responsive-menu__list ul li ul li {
        padding: 1.2rem 1rem;
    }

        .responsive-menu__list ul li ul li a {
            font-size: 1.6rem;
            color: #57606a;
        }

        .responsive-menu__list ul li ul li ul {
            background-color: #f8f9fa;
            border-right: 2px solid #dee2e6;
        }

/* === Head Info */
.head-info__title {
    font-size: 2rem;
    color: #1e266d;
    position: relative;
    display: inline-block;
}

.head-info__title--white {
    color: #fff;
}

.head-info__title::before {
    content: "";
    position: absolute;
    background-color: var(--blue-light);
    height: 2px;
    width: 12px;
    top: 50%;
    transform: translateY(-50%);
    right: -2.2rem;
}

.head-info__title::after {
    content: "";
    position: absolute;
    background-color: var(--blue-dark);
    height: 2px;
    width: 25px;
    top: 50%;
    transform: translateY(-50%);
    right: -5rem;
}

.head-info__desc {
    font-size: 2.2rem;
    color: #100221;
    font-weight: 600;
    line-height: 3.5rem;
}

/* === Services */
.services {
    margin: 4rem 0;
}

.services__item {
    background-color: #fff;
    box-shadow: 0 4px 40px rgba(182, 185, 255, 0.32);
    border-radius: 32px;
    padding: 3.5rem 3rem 6rem;
    position: relative;
    overflow: hidden;
}

.services__item-icon {
    background-color: #f2f9ff;
    width: 8rem;
    height: 7rem;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    border-radius: 8rem 5rem 12rem 3rem;
}

    .services__item-icon img {
        width: 4.5rem;
    }

.services__item-title {
    font-size: 1.6rem;
    color: #262626;
    font-weight: 600;
}

.services__item-desc {
    font-size: 1.3rem;
    color: #262626;
    text-align: justify;
    line-height: 2.6rem;
}

.services__item-link a {
    background-color: #f2f9ff;
    width: 4.8rem;
    height: 4.8rem;
    display: flex;
    justify-content: center;
    align-items: center;
    font-size: 1.5rem;
    color: #662d91;
    border-radius: 20px 20px 20px 0;
    position: absolute;
    bottom: -6px;
    left: -6px;
    padding-left: 10px;
    padding-bottom: 6px;
    transition: 0.3s ease;
}

    .services__item-link a:hover {
        background-color: #3d3d3d;
        color: #fff;
    }

.services__item--selected {
    background: linear-gradient(360deg, #6b63ff 0%, #1799fb 100%);
    z-index: 1;
    animation: service_item_selected 0.5s ease;
}

@keyframes service_item_selected {
    from {
        opacity: 0.5;
        border-radius: 30%;
        transform: skew(1deg, -10deg);
    }

    to {
        opacity: 1;
        transform: skew(0);
    }
}

.services__item--selected::before {
    content: "";
    position: absolute;
    width: 4rem;
    height: 4rem;
    border: 4rem solid rgba(104, 123, 254, 0.24);
    padding: 4rem;
    z-index: -2;
    border-radius: 50%;
    bottom: -55px;
    right: -20px;
}

.services__item--selected::after {
    content: "";
    position: absolute;
    width: 2rem;
    height: 2rem;
    border: 2rem solid rgba(104, 123, 254, 0.64);
    padding: 3rem;
    z-index: -1;
    border-radius: 50%;
    bottom: -30px;
    right: 4px;
}

.services__item--selected .services__item-title {
    color: #fff;
}

.services__item--selected .services__item-desc {
    color: #fcfaff;
}

.services__item--selected .services__item-icon {
    background-color: rgba(242, 249, 255, 0.15);
}

/* === About us */
.about-us {
    margin: 10rem 0;
}

.about-us__pic img {
    height: 42rem;
    border-radius: 2rem;
}

.about-us__text {
    font-size: 1.5rem;
    line-height: 3.5rem;
    text-align: justify;
}

.about-us .head-info__desc {
    /*width: 50%;*/
    line-height: 4rem;
}

/* === Articles */
.articles {
    margin: 3rem 0;
    padding: 4rem 0 1rem;
    background: linear-gradient(180deg, #f7fbff 0%, rgba(247, 251, 255, 0) 100%);
}

.articles__item {
    background-color: #fff;
    box-shadow: 0 20px 20px rgba(220, 226, 255, 0.38);
    border-radius: 2rem;
    overflow: hidden;
}

.articles__item-thumb a {
    display: block;
}

.articles__item-thumb img {
    width: 100%;
    object-fit: cover;
}

.articles__item-content {
    padding: 1.5rem 2.5rem 3rem;
}

.articles__item-title a {
    font-size: 1.5rem;
    font-weight: 600;
    color: #001b24;
    transition: color 0.3s ease;
}

    .articles__item-title a:hover {
        color: var(--blue-dark);
    }

.articles__item-text {
    font-size: 1.3rem;
    line-height: 3rem;
}

.articles__item-link a {
    font-size: 1.3rem;
    color: var(--blue-dark);
    font-weight: 600;
    transition: color 0.3s ease;
}

    .articles__item-link a:hover {
        color: #001b24;
    }

/* === Videos */
.videos {
    margin: 5rem 0;
}

.videos__head {
    display: flex;
    align-items: center;
}

.videos__head-icon {
    font-size: 3rem;
    color: var(--blue-dark);
}

.videos__head-title {
    font-size: 2.5rem;
    font-weight: 600;
    color: var(--blue-dark);
}

.videos__spec {
    height: 44rem;
    width: 100%;
    position: relative;
    overflow: hidden;
}

    .videos__spec::before {
        content: "";
        position: absolute;
        bottom: -16rem;
        width: 100%;
        height: 12rem;
        box-shadow: 0 -117px 32px rgba(0, 0, 0, 0.9);
        transform: scale(1.2);
    }
.videos__spec_play::before {
    box-shadow: 0 0px 0px rgba(0, 0, 0, 0)!important;
}

.videos__spec-thumb {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center center;
}

.videos__spec-icon {
    position: absolute;
    top: 50%;
    left: 50%;
    display: inline-block;
    font-size: 1.5rem;
    color: #fff;
    transform: translate(-50%, -50%);
}

.videos__spec-icon--sm {
    font-size: 1.2rem;
}

.videos__spec-icon i {
    width: 4.5rem;
    height: 4.5rem;
    border-radius: 50%;
    border: 3px solid #fff;
    color: #fff;
    display: flex;
    justify-content: center;
    align-items: center;
    padding-left: 4px;
    transition: all 0.3s ease;
}

.videos__spec-icon--sm i {
    width: 3.5rem;
    height: 3.5rem;
    border-width: 2px;
    padding-left: 3px;
}

.videos__spec-icon:hover i {
    color: #eff7ff;
    border-color: #eff7ff;
    background-color: rgba(0, 0, 0, 0.5);
    transform: scale(1.2);
}

.videos__spec-content {
    position: absolute;
    bottom: 7rem;
    right: 5rem;
    left: 5rem;
}

.videos__spec-tag a {
    background-color: #8525af;
    color: #fff;
    font-size: 1.2rem;
    padding: 0.3rem 2rem;
    border-radius: 6px;
    display: inline-block;
    transition: background 0.3s ease;
}

    .videos__spec-tag a:hover {
        background-color: #9535af;
    }

.videos__spec-title a {
    font-size: 2.2rem;
    color: #fff;
    line-height: 4rem;
    transition: background 0.3s ease;
}
.videos__spec-title p {
    font-size: 2.2rem;
    color: #fff;
    line-height: 4rem;
    transition: background 0.3s ease;
}
    .videos__spec-title a:hover {
        background-color: rgba(0, 0, 0, 0.2);
    }

.videos__spec-footer {
    position: absolute;
    bottom: 2rem;
    width: 100%;
    padding: 0 5rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.videos__spec-date {
    color: #fefefe;
    font-size: 1.3rem;
}

.videos__spec-date--gray {
    color: #787878;
}

.videos__spec-view {
    color: #f34343;
    font-size: 1.3rem;
}

.videos__item-thumb {
    width: 100%;
    height: 20rem;
    position: relative;
}

    .videos__item-thumb img {
        width: 100%;
        height: 100%;
        object-fit: fill;
        object-position: center center;
    }

.videos__item-title a {
    font-size: 1.4rem;
    color: #6e6e6e;
    font-weight: 600;
    transition: color 0.3s ease;
}
.videos__item-title p {
    font-size: 1.4rem;
    color: #6e6e6e;
    font-weight: 600;
    transition: color 0.3s ease;
}
    .videos__item-title a:hover {
        color: #001b24;
    }

/* --- Footer */
.footer {
    margin-top: 20rem;
    background-color: #1f2024;
    border-radius: 20rem 0 0 0;
    padding: 6rem 0 0;
}

.footer__info {
    background-color: #fff;
    box-shadow: 0 5px 23px rgba(0, 0, 0, 0.09);
    border-radius: 15px;
    padding: 3rem 3rem 2rem;
    margin-left: 4rem;
    position: relative;
    margin-top: -19rem;
}

.footer__info-dots {
    position: absolute;
    top: -3rem;
    right: -3rem;
    z-index: -1;
}

.footer__tel {
    display: flex;
    border-bottom: 2px solid #f6f6f6;
    padding-bottom: 5px;
}

.footer__tel-icon {
    font-size: 3rem;
    color: var(--blue-dark);
}

.footer__tel-content {
    display: flex;
    flex-direction: column;
}

.footer__info-label {
    font-size: 1.4rem;
    color: #96b1c1;
}

.footer__info-tel {
    font-size: 3rem;
    color: #001b24;
    letter-spacing: 3px;
    transition: color 0.3s ease;
}

    .footer__info-tel:hover {
        color: var(--blue-dark-2);
    }

.footer__brand-img {
    width: 10rem;
}

.footer__brand-title {
    font-size: 1.5rem;
    color: #001b24;
    font-weight: 600;
}

.footer__text {
    font-size: 1.2rem;
    line-height: 2.5rem;
    text-align: justify;
    color: #31474e;
}

.footer__contact-item {
    display: flex;
}

    .footer__contact-item i {
        font-size: 1.5rem;
        line-height: 2.5rem;
    }

.footer__contact-item-val {
    font-size: 1.2rem;
    color: #31474e;
    line-height: 2.5rem;
}

.footer__social ul {
    display: flex;
    align-items: center;
}

    .footer__social ul li {
        margin-left: 1rem;
    }

        .footer__social ul li i {
            background-color: #11345a;
            color: #fff;
            font-size: 1.4rem;
            width: 3rem;
            height: 3rem;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            transition: background 0.3s ease;
        }

            .footer__social ul li i:hover {
                background-color: var(--blue-dark);
            }

.footer__content {
    display: flex;
    justify-content: center;
    text-align: start;
}

.footer__link:first-child {
    margin-left: 8rem;
    padding-right: 10rem;
}

.footer__link ul li {
    margin-bottom: 1.4rem;
}

    .footer__link ul li a {
        font-size: 1.3rem;
        color: #bed0e2;
        transition: color 0.2s ease;
        position: relative;
    }

        .footer__link ul li a:hover {
            color: #fff;
        }

        .footer__link ul li a::before {
            content: "";
            position: absolute;
            right: -1.5rem;
            width: 8px;
            height: 3px;
            background-color: var(--blue-light);
            top: 50%;
            transform: translateY(-50%);
            border-radius: 1rem 2rem 2rem 0;
            visibility: hidden;
            opacity: 0;
            transition: 0.2s linear;
        }

        .footer__link ul li a:hover::before {
            visibility: visible;
            opacity: 1;
        }

.footer__posts ul {
    display: flex;
    flex-wrap: wrap;
    padding-right: 12rem;
}

.footer__posts li {
    padding: 0.4rem;
}

.footer__posts a {
    display: block;
}

.footer__posts img {
    width: 7rem;
    height: 7rem;
    object-fit: cover;
    object-position: center center;
    border-radius: 0.4rem;
}

.footer__copyright {
    padding: 0 10rem;
}

.footer__copyright-text {
    margin-top: 5rem;
    color: #d9d9d9;
    border-top: 1px solid #4a5764;
    padding: 2rem 0;
    font-size: 1.4rem;
}

/* **************** Responsive **************** */
/* --- Medium devices (tablets, less than 992px) */
@media (min-width: 768px) and (max-width: 991.98px) {
    html {
        font-size: 9px;
    }

    /* --- Btn main responsive */
    .btn-main a {
        font-size: 1.7rem;
    }

    /* --- Btn more responsive */
    .btn-more a {
        font-size: 1.7rem;
    }

    /* --- Header main responsive */
    .header-main {
        height: 45rem;
    }

    /* --- header main content responsive */
    .header-main__content {
        margin-bottom: 2rem;
    }

    .header-main__content-box {
        width: 60%;
    }

    .header-main__content-desc {
        font-size: 1.8rem;
        line-height: 3.8rem;
    }

    /* --- Head Info responsive */
    .head-info__title::after {
        right: -6rem;
    }

    /* --- Services responsive */
    .services__item {
        display: flex;
        flex-wrap: wrap;
        align-items: center;
        padding: 2rem 3rem;
    }

    .services__item-icon {
        width: 20%;
    }

    .services__item-title {
        width: 80%;
        padding-right: 2rem;
        font-size: 2rem;
    }

    .services__item-desc {
        font-size: 1.8rem;
        line-height: 4rem;
    }

    .services__item-link a {
        width: 6rem;
        height: 6rem;
    }

    /* --- About us responsive */
    .about-us {
        margin: 5rem 0;
    }

    .about-us__pic img {
        height: 32rem;
        width: 100%;
        object-fit: cover;
        object-position: center -18rem;
    }

    .about-us__text {
        font-size: 1.8rem;
    }

    .about-us .head-info__desc {
        width: 100%;
    }

    /* --- Articles responsive */
    .articles__item {
        display: flex;
        height: 100%;
        position: relative;
    }

    .articles__item-thumb {
        height: 100%;
    }

        .articles__item-thumb a {
            height: 100%;
        }

        .articles__item-thumb img {
            height: 100%;
            width: 30rem;
            object-position: center center;
        }

    .articles__item-content {
        padding: 4rem 2.5rem;
    }

    .articles__item-title a {
        font-size: 1.8rem;
    }

    .articles__item-text {
        font-size: 1.5rem;
    }

    .articles__item-link a {
        position: absolute;
        left: 0;
        bottom: 0;
        background-color: #001b24;
        padding: 1rem 3rem;
        color: #fff;
        border-radius: 0 2rem 0 0;
        font-size: 1.5rem;
    }

        .articles__item-link a:hover {
            color: #f1f1f1;
        }

    /* --- Videos responsive */
    .videos__spec {
        height: 30rem;
    }

        .videos__spec::before {
            bottom: -18rem;
            height: 13rem;
        }

    .videos__spec-content {
        bottom: 5rem;
        right: 2rem;
        left: 2rem;
    }

    .videos__spec-footer {
        bottom: 1rem;
        padding: 0 2rem;
    }

    .videos__spec .videos__spec-icon {
        top: -2px;
        left: -2px;
        font-size: 2.5rem;
        transform: translate(0);
        border: none;
    }

        .videos__spec .videos__spec-icon i {
            width: 8rem;
            height: 8rem;
            color: #001b24;
            background-color: #fff;
            border-radius: 0 0 4rem 0;
        }

        .videos__spec .videos__spec-icon:hover i {
            border: none;
            transform: scale(1);
        }

    .videos__item {
        display: flex;
        align-items: center;
        background-color: #fff;
        border: 1px solid #efefef;
        border-radius: 1rem 0 0 1rem;
        box-shadow: 0 20px 20px rgba(220, 226, 255, 0.38);
    }

    .videos__item-thumb {
        width: 35rem;
        height: 20rem;
    }

        .videos__item-thumb img {
            border-radius: 10rem 0 0 4rem;
        }

    .videos__item-content {
        padding: 2rem 4rem;
        width: 100%;
    }

    .videos__item-title a {
        font-size: 1.6rem;
        line-height: 3rem;
    }

    .videos__spec-date,
    .videos__spec-view {
        font-size: 1.5rem;
    }

    /* --- Footer responsive */
    .footer__info {
        margin-left: 2rem;
    }

    .footer__brand-title {
        font-size: 1.8rem;
    }

    .footer__text, .footer__info-label, .footer__contact-item-val {
        font-size: 1.6rem;
        line-height: 3rem;
    }

    .footer__info-dots {
        top: -3rem;
        right: 1rem;
    }

    .footer__social ul li i {
        width: 4rem;
        height: 4rem;
        font-size: 1.6rem;
    }

    .footer__head {
        padding-right: 8rem;
    }

    .footer__content {
        justify-content: start;
    }

    .footer__link ul li a {
        font-size: 1.6rem;
    }

    .footer__posts img {
        width: 10rem;
        height: 10rem;
    }

    .footer__posts ul {
        padding-right: 8rem;
    }

    .footer__copyright {
        padding: 0 3rem;
    }

    .footer__copyright-text {
        font-size: 1.6rem;
    }
}

/* === Small devices (landscape phones, less than 768px) */
@media (max-width: 767.98px) {
    html {
        font-size: 8px;
    }

    /* --- Btn main responsive */
    .btn-main a {
        font-size: 1.7rem;
    }

    /* --- Btn more responsive */
    .btn-more a {
        font-size: 1.7rem;
    }

    /* --- Header main responsive */
    .header-main {
        height: 40rem;
    }

    .header-main__menu {
        padding: 1.3rem;
    }

    .header-main__content-desc {
        font-size: 1.8rem;
        line-height: 3.8rem;
    }
    /* --- header main content responsive */
    .header-main__content {
        margin-bottom: 0;
    }

    .header-main__content-box {
        width: 90%;
    }

    /* --- Head Info responsive */
    .head-info__desc {
        width: 80%;
        margin: 0 auto;
    }

    .head-info__title::after {
        right: -6rem;
    }

    /* --- Services responsive */
    .services__item {
        display: flex;
        flex-wrap: wrap;
        align-items: center;
        padding: 2rem 3rem;
    }

    .services__item-icon {
        width: 20%;
    }

    .services__item-title {
        width: 80%;
        padding-right: 2rem;
        font-size: 2rem;
    }

    .services__item-desc {
        font-size: 1.8rem;
        line-height: 4rem;
    }

    .services__item-link a {
        width: 6rem;
        height: 6rem;
    }

    /* --- About us responsive */
    .about-us {
        margin: 5rem 0;
    }

    .about-us__pic img {
        height: 30rem;
        width: 100%;
        object-fit: cover;
        object-position: center top;
    }

    .about-us__text {
        font-size: 1.8rem;
    }

    .about-us .head-info__desc {
        width: 80%;
    }

    /* --- Articles responsive */
    .articles__item {
        display: flex;
        height: 100%;
        position: relative;
    }

    .articles__item-thumb {
        height: 100%;
    }

        .articles__item-thumb a {
            height: 100%;
        }

        .articles__item-thumb img {
            height: 100%;
            width: 15rem;
            object-position: center center;
        }

    .articles__item-content {
        padding: 4rem 2rem;
    }

    .articles__item-title a {
        font-size: 1.8rem;
    }

    .articles__item-text {
        font-size: 1.5rem;
    }

    .articles__item-link a {
        position: absolute;
        left: 0;
        bottom: 0;
        background-color: #001b24;
        padding: 1rem 3rem;
        color: #fff;
        border-radius: 0 2rem 0 0;
        font-size: 1.5rem;
    }

        .articles__item-link a:hover {
            color: #f1f1f1;
        }

    /* --- Videos responsive */
    .videos__spec {
        height: 25rem;
    }

        .videos__spec::before {
            bottom: -18rem;
            height: 13rem;
        }

    .videos__spec-content {
        bottom: 5rem;
        right: 2rem;
        left: 2rem;
    }

    .videos__spec-footer {
        bottom: 1rem;
        padding: 0 2rem;
    }

    .videos__spec .videos__spec-icon {
        top: -2px;
        left: -2px;
        font-size: 2.5rem;
        transform: translate(0);
        border: none;
    }

        .videos__spec .videos__spec-icon i {
            width: 8rem;
            height: 8rem;
            color: #001b24;
            background-color: #fff;
            border-radius: 0 0 4rem 0;
        }

        .videos__spec .videos__spec-icon:hover i {
            border: none;
            transform: scale(1);
        }

    .videos__item {
        display: flex;
        align-items: center;
        background-color: #fff;
        border: 1px solid #efefef;
        border-radius: 1rem 0 0 1rem;
        box-shadow: 0 20px 20px rgba(220, 226, 255, 0.38);
    }

    .videos__item-thumb {
        width: 25rem;
        height: 15rem;
    }

        .videos__item-thumb img {
            border-radius: 10rem 0 0 4rem;
        }

    .videos__item-content {
        padding: 2rem;
        width: 100%;
    }

    .videos__item-title a {
        font-size: 1.6rem;
        line-height: 3rem;
    }

    .videos__spec-date,
    .videos__spec-view {
        font-size: 1.5rem;
    }

    /* --- Footer responsive */
    .footer__info {
        margin-left: 2rem;
    }

    .footer__brand-title {
        font-size: 1.8rem;
    }

    .footer__text, .footer__info-label, .footer__contact-item-val {
        font-size: 1.6rem;
        line-height: 3rem;
    }

    .footer__info-dots {
        top: -3rem;
        right: 1rem;
    }

    .footer__social ul li i {
        width: 4rem;
        height: 4rem;
        font-size: 1.6rem;
    }

    .footer__head {
        padding-right: 8rem;
    }

    .footer__content {
        justify-content: center;
    }

    .footer__link ul li a {
        font-size: 1.6rem;
    }

    .footer__posts img {
        width: 10rem;
        height: 10rem;
    }

    .footer__posts ul {
        padding-right: 8rem;
    }

    .footer__copyright {
        padding: 0 3rem;
    }

    .footer__copyright-text {
        font-size: 1.6rem;
    }
}