:root {
    --blue-color: #4554a0;
    --dark-blue-color: #3c4a93;
    --darker-blue-color: #2c366a;
    --light-blue-color: #5a6497;
    --pink-color: #e35a9c;
    --dark-pink-color: #b0467a;
    --gray-light: #f0f0f3;
}

@font-face {
    font-family: IRANSans;
    font-style: normal;
    font-weight: 900;
    src: url('../fonts/iran-sans/eot/IRANSansWeb_Black.eot');
    src: url('../fonts/iran-sans/eot/IRANSansWeb_Black.eot?#iefix') format('embedded-opentype'),
        /* IE6-8 */ url('../fonts/iran-sans/woff2/IRANSansWeb_Black.woff2') format('woff2'),
        /* FF39+,Chrome36+, Opera24+ */ url('../fonts/iran-sans/woff/IRANSansWeb_Black.woff') format('woff'),
        /* FF3.6+, IE9, Chrome6+, Saf5.1+ */ url('../fonts/iran-sans/ttf/IRANSansWeb_Black.ttf') format('truetype');
}

@font-face {
    font-family: IRANSans;
    font-style: normal;
    font-weight: bold;
    src: url('../fonts/iran-sans/eot/IRANSansWeb_Bold.eot');
    src: url('../fonts/iran-sans/eot/IRANSansWeb_Bold.eot?#iefix') format('embedded-opentype'),
        /* IE6-8 */ url('../fonts/iran-sans/woff2/IRANSansWeb_Bold.woff2') format('woff2'),
        /* FF39+,Chrome36+, Opera24+ */ url('../fonts/iran-sans/woff/IRANSansWeb_Bold.woff') format('woff'),
        /* FF3.6+, IE9, Chrome6+, Saf5.1+ */ url('../fonts/iran-sans/ttf/IRANSansWeb_Bold.ttf') format('truetype');
}

@font-face {
    font-family: IRANSans;
    font-style: normal;
    font-weight: 500;
    src: url('../fonts/iran-sans/eot/IRANSansWeb_Medium.eot');
    src: url('../fonts/iran-sans/eot/IRANSansWeb_Medium.eot?#iefix') format('embedded-opentype'),
        /* IE6-8 */ url('../fonts/iran-sans/woff2/IRANSansWeb_Medium.woff2') format('woff2'),
        /* FF39+,Chrome36+, Opera24+ */ url('../fonts/iran-sans/woff/IRANSansWeb_Medium.woff') format('woff'),
        /* FF3.6+, IE9, Chrome6+, Saf5.1+ */ url('../fonts/iran-sans/ttf/IRANSansWeb_Medium.ttf') format('truetype');
}

@font-face {
    font-family: IRANSans;
    font-style: normal;
    font-weight: 300;
    src: url('../fonts/iran-sans/eot/IRANSansWeb_Light.eot');
    src: url('../fonts/iran-sans/eot/IRANSansWeb_Light.eot?#iefix') format('embedded-opentype'),
        /* IE6-8 */ url('../fonts/iran-sans/woff2/IRANSansWeb_Light.woff2') format('woff2'),
        /* FF39+,Chrome36+, Opera24+ */ url('../fonts/iran-sans/woff/IRANSansWeb_Light.woff') format('woff'),
        /* FF3.6+, IE9, Chrome6+, Saf5.1+ */ url('../fonts/iran-sans/ttf/IRANSansWeb_Light.ttf') format('truetype');
}

@font-face {
    font-family: IRANSans;
    font-style: normal;
    font-weight: 200;
    src: url('../fonts/iran-sans/eot/IRANSansWeb_UltraLight.eot');
    src: url('../fonts/iran-sans/eot/IRANSansWeb_UltraLight.eot?#iefix') format('embedded-opentype'),
        /* IE6-8 */ url('../fonts/iran-sans/woff2/IRANSansWeb_UltraLight.woff2') format('woff2'),
        /* FF39+,Chrome36+, Opera24+ */ url('../fonts/iran-sans/woff/IRANSansWeb_UltraLight.woff') format('woff'),
        /* FF3.6+, IE9, Chrome6+, Saf5.1+ */ url('../fonts/iran-sans/ttf/IRANSansWeb_UltraLight.ttf') format('truetype');
}

@font-face {
    font-family: IRANSans;
    font-style: normal;
    font-weight: normal;
    src: url('../fonts/iran-sans/eot/IRANSansWeb.eot');
    src: url('../fonts/iran-sans/eot/IRANSansWeb.eot?#iefix') format('embedded-opentype'),
        /* IE6-8 */ url('../fonts/iran-sans/woff2/IRANSansWeb.woff2') format('woff2'),
        /* FF39+,Chrome36+, Opera24+*/ url('../fonts/iran-sans/woff/IRANSansWeb.woff') format('woff'),
        /* FF3.6+, IE9, Chrome6+, Saf5.1+*/ url('../fonts/iran-sans/ttf/IRANSansWeb.ttf') format('truetype');
}

* {
    font-family: IRANSans, Arial, serif;
}

.bg-blue {
    background: var(--blue-color);
}

.btn-dark-blue {
    box-shadow: 0 3px 9px 0 rgb(0 0 0 / 3%);
    background: var(--dark-blue-color);
    border-radius: 7px;
    color: white;
    display: inline-block;
    padding: 9px 20px;
    transition: 0.3s ease all;
}

.btn-dark-blue:hover {
    background: var(--darker-blue-color);
    color: white;
}

.btn-pink {
    box-shadow: 0 3px 9px 0 rgb(0 0 0 / 3%);
    text-align: center;
    padding: 9px 20px;
    margin: 0;
    color: #fff;
    display: inline-block;
    background: var(--pink-color);
    border-radius: 7px;
    transition: 0.2s;
}

.btn-pink:hover {
    background: var(--dark-pink-color);
    color: white;
}

.ltr {
    direction: ltr
}

.rtl {
    direction: rtl
}

@media (min-width: 768px) {
    .dir-md-ltr {
        direction: ltr;
    }
}

body {
    direction: rtl;
    text-align: right;
    font-family: IRANSans, Arial, serif;
    font-size: unset;
    line-height: 1.8;
    overflow-x: hidden;
    background-color: var(--gray-light);
}

ul {
    list-style-type: none;
    padding: 0;
}

a {
    color: var(--blue-color);
    outline: none;
    text-decoration: none;
    transition: .3s all ease;
}

a:hover, button:hover {
    text-decoration: none;
    color: var(--pink-color);
    outline: none;
}

hr {
    margin-top: 1rem;
    margin-bottom: 1rem;
    border: 0;
    border-top: 1px solid rgba(0, 0, 0, .2);
    background-color: rgba(0, 0, 0, .2);
}

header {
    background: var(--blue-color);
    padding-top: 1rem;
}

header .logo {
    width: auto;
    height: 32px;
}

header .navbar-nav {
    text-align: center;
}

header .navbar-nav .nav-item {
    margin-left: 5px;
    margin-right: 5px;
    margin-top: 7px;
}

header .navbar-nav .nav-link {
    border-radius: 7px;
    transition: 0.3s all linear;
    color: white;
    background-color: var(--dark-blue-color);
}

@media (min-width: 768px) {
    header .navbar-nav .nav-link {
        background-color: transparent;
    }

    header .navbar-nav .nav-item {
        margin-top: 0;
    }
}

header .navbar-nav .nav-link:hover {
    background-color: var(--dark-blue-color);
}

main .title-bar p {
    width: 100%;
    margin: auto;
}

main .content h2 {
    font-size: x-large;
}

main .content h3 {
    font-size: large;
}

@media (min-width: 768px) {
    main .title-bar p {
        width: 75%;
    }
}

main .content {
    position: relative;
    top: -4rem;
    background: white;
    border-radius: 7px;
    box-shadow: 0 3px 9px 0 rgb(0 0 0 / 3%);
}

footer .social {
    background: #f0f7ff;
    border-radius: 7px;
    display: inline-block;
    width: 40px;
    height: 40px;
    padding: 10px;
    color: var(--blue-color);
    transition: .3s ease all;
}

footer .social:hover {
    color: var(--pink-color);
}

footer .certs img {
    width: 4.5rem;
    height: 4.5rem;
    margin-left: 7px;
    margin-right: 7px;
}