@import url(https://fonts.googleapis.com/css2?family=Almarai:wght@400;800&family=Readex+Pro:wght@400;700&display=swap);@import url(https://fonts.googleapis.com/css2?family=Noto+Naskh+Arabic&display=swap);.collapsing, .navbar, .page-link {position: relative }.page-link:hover, a {text-decoration: none }h1, h2, h3, h4, h5, h6, p {margin-top: 0 }.btn, .btn-primary, body {color: #212529 }.btn, .navbar-toggler-icon, img {vertical-align: middle }:root {--blue: #007bff;--indigo: #6610f2;--purple: #6f42c1;--pink: #e83e8c;--red: #dc3545;--orange: #fd7e14;--yellow: #ffc107;--green: #28a745;--teal: #20c997;--cyan: #17a2b8;--white: #fff;--gray: #6c757d;--gray-dark: #343a40;--primary: #ffaa4c;--secondary: #4cc2ff;--success: #67baaf;--info: gray;--warning: #feda63;--danger: #dc6060;--light: #afafaf;--dark: #313133;--breakpoint-xs: 0;--breakpoint-sm: 576px;--breakpoint-md: 768px;--breakpoint-lg: 992px;--breakpoint-xl: 1200px;--font-family-sans-serif: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "Noto Sans", "Liberation Sans", sans-serif, "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol", "Noto Color Emoji";--font-family-monospace: SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace }*, ::after, ::before {box-sizing: border-box }html {font-family: sans-serif;line-height: 1.15;-webkit-text-size-adjust: 100%;-webkit-tap-highlight-color: transparent;scroll-behavior: smooth }.nav-link, article, aside, figcaption, figure, footer, header, hgroup, main, nav, section {display: block }body {margin: 0;font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "Noto Sans", "Liberation Sans", sans-serif, "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol", "Noto Color Emoji";font-size: 1rem;font-weight: 400;line-height: 1.5;text-align: left;background-color: #fff }.btn, a {background-color: transparent }p {margin-bottom: 1rem }a {color: #ffaa4c }img {border-style: none }button {border-radius: 0 }button, input, optgroup, select, textarea {margin: 0;font-family: inherit;font-size: inherit;line-height: inherit }h1, h2, h3 {font-family: Almarai, sans-serif }.navbar-expand .navbar-nav-scroll, button, input {overflow: visible }button, select {text-transform: none }.btn:not(:disabled):not(.disabled), [role=button], [type=button]:not(:disabled), [type=reset]:not(:disabled), [type=submit]:not(:disabled), button:not(:disabled) {cursor: pointer }[type=button], [type=reset], [type=submit], button {-webkit-appearance: button }.h1, .h2, .h3, .h4, .h5, .h6, h1, h2, h3, h4, h5, h6 {margin-bottom: .5rem;font-weight: 500;line-height: 1.2 }.nav, .navbar-nav {margin-bottom: 0;list-style: none }.h1, h1 {font-size: 2.5rem }.h2, h2 {font-size: 2rem }.h3, h3 {font-size: 1.75rem }.img-fluid {max-width: 100%;height: auto }.container, .container-fluid, .container-lg, .container-md, .container-sm, .container-xl {width: 100%;padding-right: 15px;padding-left: 15px;margin-right: auto;margin-left: auto }.row {display: flex;flex-wrap: wrap;margin-right: -15px;margin-left: -15px }.col, .col-1, .col-10, .col-11, .col-12, .col-2, .col-3, .col-4, .col-5, .col-6, .col-7, .col-8, .col-9, .col-auto, .col-lg, .col-lg-1, .col-lg-10, .col-lg-11, .col-lg-12, .col-lg-2, .col-lg-3, .col-lg-4, .col-lg-5, .col-lg-6, .col-lg-7, .col-lg-8, .col-lg-9, .col-lg-auto, .col-md, .col-md-1, .col-md-10, .col-md-11, .col-md-12, .col-md-2, .col-md-3, .col-md-4, .col-md-5, .col-md-6, .col-md-7, .col-md-8, .col-md-9, .col-md-auto, .col-sm, .col-sm-1, .col-sm-10, .col-sm-11, .col-sm-12, .col-sm-2, .col-sm-3, .col-sm-4, .col-sm-5, .col-sm-6, .col-sm-7, .col-sm-8, .col-sm-9, .col-sm-auto, .col-xl, .col-xl-1, .col-xl-10, .col-xl-11, .col-xl-12, .col-xl-2, .col-xl-3, .col-xl-4, .col-xl-5, .col-xl-6, .col-xl-7, .col-xl-8, .col-xl-9, .col-xl-auto {position: relative;width: 100%;padding-right: 15px;padding-left: 15px }.col-6 {flex: 0 0 50%;max-width: 50% }.col-12 {flex: 0 0 100%;max-width: 100% }.order-1 {order: 1 }.order-2 {order: 2 }.order-3 {order: 3 }.table-responsive {display: block;width: 100%;overflow-x: auto;-webkit-overflow-scrolling: touch }.btn {display: inline-block;font-weight: 400;text-align: center;user-select: none;border: 1px solid transparent;padding: .375rem .75rem;font-size: 1rem;line-height: 1.5;border-radius: 1.5rem;transition: color .15s ease-in-out, background-color .15s ease-in-out, border-color .15s ease-in-out, box-shadow .15s ease-in-out }.btn-primary, .page-item.active .page-link {background-color: #ffaa4c;border-color: #ffaa4c }.btn-secondary {color: #212529;background-color: #4cc2ff;border-color: #4cc2ff }.collapse:not(.show) {display: none }.nav, .navbar {flex-wrap: wrap;display: flex }.collapsing {height: 0;overflow: hidden;transition: height .35s }@media (prefers-reduced-motion: reduce) {.collapsing {transition: none }}.nav {padding-left: 0 }.nav-link, .navbar {padding: .5rem 1rem }.navbar {align-items: center;justify-content: space-between }.navbar .container, .navbar .container-fluid, .navbar .container-lg, .navbar .container-md, .navbar .container-sm, .navbar .container-xl {display: flex;flex-wrap: wrap;align-items: center;justify-content: space-between }.navbar-brand {display: inline-block;padding-top: .3125rem;padding-bottom: .3125rem;margin-right: 1rem;font-size: 1.25rem;line-height: inherit;white-space: nowrap }.navbar-nav {display: flex;flex-direction: column;padding-left: 0 }.navbar-nav .nav-link {padding-right: 0;padding-left: 0 }.navbar-nav .dropdown-menu {position: static;float: none }.navbar-text {display: inline-block;padding-top: .5rem;padding-bottom: .5rem }.navbar-collapse {flex-basis: 100%;flex-grow: 1;align-items: center }.navbar-toggler {padding: .25rem .75rem;font-size: 1.25rem;line-height: 1;background-color: transparent;border: 1px solid transparent;border-radius: 1.5rem }.navbar-toggler-icon {display: inline-block;width: 1.5em;height: 1.5em;content: "";background: 50%/100% 100% no-repeat }.navbar-nav-scroll {max-height: 75vh;overflow-y: auto }.d-none {display: none !important }.d-block {display: block !important }@media (min-width: 576px) {.d-sm-none{display:none!important}.d-sm-block{display:block!important}.navbar-expand-sm .navbar-nav {flex-direction: row }.navbar-expand-sm .navbar-nav .dropdown-menu {position: absolute }.navbar-expand-sm .navbar-nav .nav-link {padding-right: .5rem;padding-left: .5rem }.navbar-expand-sm .navbar-nav-scroll {overflow: visible }.navbar-expand-sm .navbar-collapse {display: flex !important;flex-basis: auto }}.navbar-expand .navbar-nav {flex-direction: row }.navbar-expand .navbar-nav .dropdown-menu {position: absolute }.navbar-expand .navbar-nav .nav-link {padding-right: .5rem;padding-left: .5rem }.navbar-expand .navbar-collapse {display: flex !important;flex-basis: auto }.navbar-light .navbar-brand, .navbar-light .navbar-nav .active > .nav-link, .navbar-light .navbar-nav .nav-link.active, .navbar-light .navbar-nav .nav-link.show, .navbar-light .navbar-nav .show > .nav-link {color: rgba(0, 0, 0, .9) }.navbar-light .navbar-nav .nav-link {color: rgba(0, 0, 0, .5) }.navbar-light .navbar-nav .nav-link:focus, .navbar-light .navbar-nav .nav-link:hover {color: rgba(0, 0, 0, .7) }.navbar-light .navbar-nav .nav-link.disabled {color: rgba(0, 0, 0, .3) }.navbar-light .navbar-toggler {color: rgba(0, 0, 0, .5);border-color: rgba(0, 0, 0, .1) }.navbar-light .navbar-toggler-icon {background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' width='30' height='30' viewBox='0 0 30 30'%3e%3cpath stroke='rgba%280,0,0,0.5%29' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e") }.navbar-dark .navbar-nav .nav-link {color: rgba(255, 255, 255, .5) }.navbar-dark .navbar-nav .nav-link:focus, .navbar-dark .navbar-nav .nav-link:hover {color: rgba(255, 255, 255, .75) }.navbar-dark .navbar-nav .nav-link.disabled {color: rgba(255, 255, 255, .25) }.navbar-dark .navbar-nav .active > .nav-link, .navbar-dark .navbar-nav .nav-link.active, .navbar-dark .navbar-nav .nav-link.show, .navbar-dark .navbar-nav .show > .nav-link {color: #fff }.pagination {display: flex;padding-left: 0;list-style: none;border-radius: 1.5rem }.page-link {display: block;padding: .5rem .75rem;margin-left: -1px;line-height: 1.25;color: #ffaa4c;background-color: #fff;border: 1px solid #dee2e6 }.page-link:hover {z-index: 2;color: #ff8600;background-color: #e9ecef;border-color: #dee2e6 }.page-link:focus {z-index: 3;outline: 0;box-shadow: 0 0 0 .2rem rgba(255, 170, 76, .25) }.page-item:first-child .page-link {margin-left: 0;border-top-left-radius: 1.5rem;border-bottom-left-radius: 1.5rem }.page-item:last-child .page-link {border-top-right-radius: 1.5rem;border-bottom-right-radius: 1.5rem }.page-item.active .page-link {z-index: 3;color: #fff }.page-item.disabled .page-link {color: #6c757d;pointer-events: none;cursor: auto;background-color: #fff;border-color: #dee2e6 }.pagination-lg .page-link {padding: .75rem 1.5rem;font-size: 1.25rem;line-height: 1.5 }.pagination-lg .page-item:first-child .page-link {border-top-left-radius: .3rem;border-bottom-left-radius: .3rem }.pagination-lg .page-item:last-child .page-link {border-top-right-radius: .3rem;border-bottom-right-radius: .3rem }.pagination-sm .page-link {padding: .25rem .5rem;font-size: .875rem;line-height: 1.5 }.pagination-sm .page-item:first-child .page-link {border-top-left-radius: .2rem;border-bottom-left-radius: .2rem }.pagination-sm .page-item:last-child .page-link {border-top-right-radius: .2rem;border-bottom-right-radius: .2rem }@keyframes spinner-grow {0% {transform: scale(0) }50% {opacity: 1;transform: none }}.bg-light {background-color: #afafaf !important }.bg-dark {background-color: #313133 !important }.bg-white {background-color: #fff !important }.border-0 {border: 0 !important }.rounded-circle {border-radius: 50% !important }.d-flex {display: flex !important }.d-inline-block {display: inline-block !important }.flex-column {flex-direction: column !important }.flex-wrap {flex-wrap: wrap !important }.justify-content-center {justify-content: center !important }.align-items-start {align-items: flex-start !important }.align-items-center {align-items: center !important }.align-self-end {align-self: flex-end !important }@supports (position:sticky) {.sticky-top {position: sticky;top: 0;z-index: 1020 }}.sr-only {position: absolute;width: 1px;height: 1px;padding: 0;margin: -1px;overflow: hidden;clip: rect(0, 0, 0, 0);white-space: nowrap;border: 0 }.sr-only-focusable:active, .sr-only-focusable:focus {position: static;width: auto;height: auto;overflow: visible;clip: auto;white-space: normal }.shadow {box-shadow: 0 .5rem 1rem rgba(0, 0, 0, .15) !important }.w-auto {width: auto !important }.h-100 {height: 100% !important }.mr-0, .mx-0 {margin-right: 0 !important }.mt-1, .my-1 {margin-top: .25rem !important }.mr-1, .mx-1 {margin-right: .25rem !important }.mb-1, .my-1 {margin-bottom: .25rem !important }.ml-1, .mx-1 {margin-left: .25rem !important }.mt-2, .my-2 {margin-top: .5rem !important }.mb-2, .my-2 {margin-bottom: .5rem !important }.mt-3, .my-3 {margin-top: 1rem !important }.mb-3, .my-3 {margin-bottom: 1rem !important }.mt-4, .my-4 {margin-top: 1.5rem !important }.mb-4, .my-4 {margin-bottom: 1.5rem !important }.mt-5, .my-5 {margin-top: 3rem !important }.pr-0, .px-0 {padding-right: 0 !important }.pt-1, .py-1 {padding-top: .25rem !important }.pb-1, .py-1 {padding-bottom: .25rem !important }.pt-2, .py-2 {padding-top: .5rem !important }.pb-2, .py-2 {padding-bottom: .5rem !important }.pt-3, .py-3 {padding-top: 1rem !important }.pb-3, .py-3 {padding-bottom: 1rem !important }.pt-4, .py-4 {padding-top: 1.5rem !important }.pr-4, .px-4 {padding-right: 1.5rem !important }.pb-4, .py-4 {padding-bottom: 1.5rem !important }.pl-4, .px-4 {padding-left: 1.5rem !important }.pt-5, .py-5 {padding-top: 3rem !important }.pb-5, .py-5 {padding-bottom: 3rem !important }.mb-n1, .my-n1 {margin-bottom: -.25rem !important }.mr-auto, .mx-auto {margin-right: auto !important }@media (min-width: 1200px) {.briefIntroduction-2line, .briefIntroduction-3line {overflow: hidden;text-overflow: ellipsis;display: -webkit-box;-webkit-box-orient: vertical }.container, .container-lg, .container-md, .container-sm, .container-xl {max-width: 1140px }.article-title-div {height: 5rem }.briefIntroduction-2line {-webkit-line-clamp: 2 }.briefIntroduction-3line {-webkit-line-clamp: 3 }.col-xl-3 {flex: 0 0 25%;max-width: 25% }.col-xl-5 {flex: 0 0 41.66667%;max-width: 41.66667% }.col-xl-7 {flex: 0 0 58.33333%;max-width: 58.33333% }.navbar-expand-xl .navbar-nav {flex-direction: row }.navbar-expand-xl .navbar-nav .dropdown-menu {position: absolute }.navbar-expand-xl .navbar-nav .nav-link {padding-right: .5rem;padding-left: .5rem }.navbar-expand-xl .navbar-nav-scroll {overflow: visible }.navbar-expand-xl .navbar-collapse {display: flex !important;flex-basis: auto }.mt-xl-5, .my-xl-5 {margin-top: 3rem !important }.pb-xl-2, .py-xl-2 {padding-bottom: .5rem !important }.pt-xl-4, .py-xl-4 {padding-top: 1.5rem !important }.pr-xl-4, .px-xl-4 {padding-right: 1.5rem !important }.pl-xl-4, .px-xl-4 {padding-left: 1.5rem !important }}.text-right {text-align: right !important }.text-center {text-align: center !important }@media (min-width: 768px) {.mr-md-0,.mx-md-0{margin-right:0!important}.d-md-none {display:none!important}.d-md-block{display:block!important}.col-md-6 {flex: 0 0 50%;max-width: 50% }.navbar-expand-md .navbar-nav {flex-direction: row }.navbar-expand-md .navbar-nav .dropdown-menu {position: absolute }.navbar-expand-md .navbar-nav .nav-link {padding-right: .5rem;padding-left: .5rem }.navbar-expand-md .navbar-nav-scroll {overflow: visible }.navbar-expand-md .navbar-collapse {display: flex !important;flex-basis: auto }.d-md-none {display: none !important }.d-md-block {display: block !important }.flex-md-row {flex-direction: row !important }.mr-md-4, .mx-md-4 {margin-right: 1.5rem !important }.ml-md-4, .mx-md-4 {margin-left: 1.5rem !important }.text-md-center {text-align: center !important }}@media (min-width: 992px) {.col-lg-3 {flex: 0 0 25%;max-width: 25% }.col-lg-4 {flex: 0 0 33.33333%;max-width: 33.33333% }.col-lg-5 {flex: 0 0 41.66667%;max-width: 41.66667% }.col-lg-6 {flex: 0 0 50%;max-width: 50% }.col-lg-8 {flex: 0 0 66.66667%;max-width: 66.66667% }.col-lg-9 {flex: 0 0 75%;max-width: 75% }.order-lg-1 {order: 1 }.order-lg-2 {order: 2 }.order-lg-3 {order: 3 }.navbar-expand-lg .navbar-nav {flex-direction: row }.navbar-expand-lg .navbar-nav .dropdown-menu {position: absolute }.navbar-expand-lg .navbar-nav .nav-link {padding-right: .5rem;padding-left: .5rem }.navbar-expand-lg .navbar-nav-scroll {overflow: visible }.navbar-expand-lg .navbar-collapse {display: flex !important;flex-basis: auto }.align-items-lg-start {align-items: flex-start !important }.mt-lg-0, .my-lg-0 {margin-top: 0 !important }.mb-lg-0, .my-lg-0 {margin-bottom: 0 !important }.mt-lg-3, .my-lg-3 {margin-top: 1rem !important }.pt-lg-3, .py-lg-3 {padding-top: 1rem !important }.pb-lg-3, .py-lg-3 {padding-bottom: 1rem !important }.text-lg-right {text-align: right !important }}.font-weight-bold {font-weight: 700 !important }.text-white {color: #fff !important }.text-primary {color: #ffaa4c !important }.text-info {color: gray !important }.text-light {color: #afafaf !important }.text-dark {color: #313133 !important }.text-decoration-none {text-decoration: none !important }@media print {.navbar {display: none }}* {font-family: 'Readex Pro', sans-serif;letter-spacing: -.02rem }h1 {line-height: 3.6rem }h2, h3 {line-height: 2.8rem }p {line-height: 1.7rem }.bg-extra-light {background-color: #f6f6f6 }.center-x-absolute {left: 50%;transform: translateX(-50%);-webkit-transform: translateX(-50%);-moz-transform: translateX(-50%);-ms-transform: translateX(-50%);-o-transform: translateX(-50%);width: 25%;height: 1rem;display: block;margin-top: -.5rem;z-index: 2;position: absolute }.nav-custom-headings-size h2,.nav-custom-headings-size p {font-size: 1.3rem }.subarticles-custom-heading-size h2 {font-size: 1.3rem;line-height: 2.1rem }.brainycore-block {background-color: #595378 }.brainycore-second-heading {font-size: 1.3rem;line-height: 2rem }.brainycore-image {bottom: 0 }.brainycore-logo {width: 80% }.footer-nav a.nav-link {margin-right: .02rem;padding-top: 0 }.social-links {display: flex;justify-content: center;flex-direction: row-reverse }.social-links img {width: 2rem;margin-right: .1rem;margin-left: .1rem;transition: .3s;-webkit-transition: .3s;-moz-transition: .3s;-ms-transition: .3s;-o-transition: .3s }@media (max-width: 767.98px) {.nav-custom-headings-size h2,.nav-custom-headings-size p {font-size: 1.1rem;line-height: 1.2rem }}.custom-sidenav-h2-size h2 {font-size: .8rem;line-height: .7rem;margin-bottom: .5rem }.custom-sidenav-h2-size span {margin-bottom: -.2rem }.position-relative {position: relative !important }.position-absolute {position: absolute !important }.mb-5, .my-5 {margin-bottom: 3rem !important }.w-100 {width: 100% !important }.list-unstyled {padding-left: 0;list-style: none;}.p-0 {padding: 0 !important }.m-0 {margin: 0 !important }.h-auto {height: auto !important }.w-50 {width: 50% !important }.form-control, body {font-size: 1rem;line-height: 1.5;background-color: #fff }.form-control {display: block;width: 100%;height: calc(1.5em + .75rem + 2px);padding: .375rem .75rem;font-weight: 400;color: #495057;background-clip: padding-box;border: 1px solid #ced4da;border-radius: 1.5rem;transition: border-color .15s ease-in-out, box-shadow .15s ease-in-out }.form-control::placeholder {color: #6c757d;opacity: 1 }@media (max-width: 768px) {.search-mobile-form{width: 100%!important;}}