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.menu-overlay__link-text:not(:not(:lang(ar))),html:not(:lang(ar)) .header-bar .menu-overlay .menu-overlay__link-text[lang=ar]{font-family:var(--heading-2-ar-font-family);font-feature-settings:var(--heading-2-ar-font-feature-settings);font-size:var(--heading-2-ar-font-size);font-style:var(--heading-2-ar-font-style);font-variant:var(--heading-2-ar-font-variant);font-weight:var(--heading-2-ar-font-weight);font-weight:700;letter-spacing:var(--heading-2-ar-letter-spacing);line-height:var(--heading-2-ar-line-height);line-height:1.25em;text-transform:var(--heading-2-ar-text-transform);text-transform:uppercase;word-spacing:var(--heading-2-ar-word-spacing)}.header-bar .menu-overlay .menu-overlay__link-lists-end,.header-bar .menu-overlay .menu-overlay__link-lists-start{border-block-start:1px solid currentcolor;padding-block-start:2rem}.header-bar .menu-overlay .menu-overlay__link-lists-start{padding-block-end:2rem}.header-bar .menu-overlay .menu-overlay__link-lists-end{padding-block-end:1rem}.header-bar .menu-overlay .menu-overlay__link-list-links{list-style:none;padding-inline-start:0}.header-bar .menu-overlay .menu-overlay__link-list-links .link{display:block;margin-inline:calc(var(--grid-padding)*2) calc(var(--grid-padding)*2)}.header-bar .menu-overlay .menu-overlay__link-list-title{color:var(--heading-5-color,currentColor);font-family:var(--heading-5-font-family);font-feature-settings:var(--heading-5-font-feature-settings);font-size:var(--heading-5-font-size);font-style:var(--heading-5-font-style);font-variant:var(--heading-5-font-variant);font-weight:var(--heading-5-font-weight);letter-spacing:var(--heading-5-letter-spacing);line-height:var(--heading-5-line-height);margin-block-end:1rem;margin-inline:calc(var(--grid-padding)*2) calc(var(--grid-padding)*2);padding-block:var(--heading-5-padding-top) var(--heading-5-padding-bottom);-webkit-text-decoration:var(--heading-5-text-decoration);text-decoration:var(--heading-5-text-decoration);text-decoration-thickness:var(--heading-5-text-decoration-thickness);text-transform:var(--heading-5-text-transform);text-underline-offset:var(--heading-5-text-underline-offset);word-spacing:var(--heading-5-word-spacing)}html:lang(ar) .header-bar .menu-overlay .menu-overlay__link-list-title:not(:not(:lang(ar))),html:not(:lang(ar)) .header-bar .menu-overlay .menu-overlay__link-list-title[lang=ar]{font-family:var(--heading-5-ar-font-family);font-feature-settings:var(--heading-5-ar-font-feature-settings);font-size:var(--heading-5-ar-font-size);font-style:var(--heading-5-ar-font-style);font-variant:var(--heading-5-ar-font-variant);font-weight:var(--heading-5-ar-font-weight);letter-spacing:var(--heading-5-ar-letter-spacing);line-height:var(--heading-5-ar-line-height);text-transform:var(--heading-5-ar-text-transform);word-spacing:var(--heading-5-ar-word-spacing)}.header-bar .menu-overlay .menu-overlay__link-list--main .menu-overlay__link-list-link{margin-block-start:10px}.header-bar .menu-overlay .menu-overlay__link-list--main .link{color:var(--heading-2-color,currentColor);font-family:var(--heading-2-font-family);font-feature-settings:var(--heading-2-font-feature-settings);font-size:var(--heading-2-font-size);font-style:var(--heading-2-font-style);font-variant:var(--heading-2-font-variant);font-weight:var(--heading-2-font-weight);letter-spacing:var(--heading-2-letter-spacing);line-height:var(--heading-2-line-height);padding-block:var(--heading-2-padding-top) var(--heading-2-padding-bottom);-webkit-text-decoration:var(--heading-2-text-decoration);text-decoration:var(--heading-2-text-decoration);text-decoration-thickness:var(--heading-2-text-decoration-thickness);text-transform:var(--heading-2-text-transform);text-underline-offset:var(--heading-2-text-underline-offset);word-spacing:var(--heading-2-word-spacing)}html:lang(ar) .header-bar .menu-overlay .menu-overlay__link-list--main .link:not(:not(:lang(ar))),html:not(:lang(ar)) .header-bar .menu-overlay .menu-overlay__link-list--main .link[lang=ar]{font-family:var(--heading-2-ar-font-family);font-feature-settings:var(--heading-2-ar-font-feature-settings);font-size:var(--heading-2-ar-font-size);font-style:var(--heading-2-ar-font-style);font-variant:var(--heading-2-ar-font-variant);font-weight:var(--heading-2-ar-font-weight);letter-spacing:var(--heading-2-ar-letter-spacing);line-height:var(--heading-2-ar-line-height);text-transform:var(--heading-2-ar-text-transform);word-spacing:var(--heading-2-ar-word-spacing)}.header-bar .menu-overlay .menu-overlay__link-list--large+.menu-overlay__link-list--large{margin-block-start:3rem}.header-bar .menu-overlay .menu-overlay__link-list--large .link{color:var(--introduction-color,currentColor);font-family:var(--introduction-font-family);font-feature-settings:var(--introduction-font-feature-settings);font-size:var(--introduction-font-size);font-style:var(--introduction-font-style);font-variant:var(--introduction-font-variant);font-weight:var(--introduction-font-weight);letter-spacing:var(--introduction-letter-spacing);line-height:var(--introduction-line-height);padding-block:var(--introduction-padding-top) var(--introduction-padding-bottom);-webkit-text-decoration:var(--introduction-text-decoration);text-decoration:var(--introduction-text-decoration);text-decoration-thickness:var(--introduction-text-decoration-thickness);text-transform:var(--introduction-text-transform);text-underline-offset:var(--introduction-text-underline-offset);word-spacing:var(--introduction-word-spacing)}html:lang(ar) .header-bar .menu-overlay .menu-overlay__link-list--large .link:not(:not(:lang(ar))),html:not(:lang(ar)) .header-bar .menu-overlay .menu-overlay__link-list--large .link[lang=ar]{font-family:var(--introduction-ar-font-family);font-feature-settings:var(--introduction-ar-font-feature-settings);font-size:var(--introduction-ar-font-size);font-style:var(--introduction-ar-font-style);font-variant:var(--introduction-ar-font-variant);font-weight:var(--introduction-ar-font-weight);letter-spacing:var(--introduction-ar-letter-spacing);line-height:var(--introduction-ar-line-height);text-transform:var(--introduction-ar-text-transform);word-spacing:var(--introduction-ar-word-spacing)}.header-bar .menu-overlay .menu-overlay__link-list--small+.menu-overlay__link-list--small{margin-block-start:2rem}.header-bar .menu-overlay .menu-overlay__link-list--small .link{color:var(--paragraph-color,currentColor);font-family:var(--paragraph-font-family);font-feature-settings:var(--paragraph-font-feature-settings);font-size:var(--paragraph-font-size);font-style:var(--paragraph-font-style);font-variant:var(--paragraph-font-variant);font-weight:var(--paragraph-font-weight);letter-spacing:var(--paragraph-letter-spacing);line-height:var(--paragraph-line-height);padding-block:var(--paragraph-padding-top) var(--paragraph-padding-bottom);-webkit-text-decoration:var(--paragraph-text-decoration);text-decoration:var(--paragraph-text-decoration);text-decoration-thickness:var(--paragraph-text-decoration-thickness);text-transform:var(--paragraph-text-transform);text-underline-offset:var(--paragraph-text-underline-offset);word-spacing:var(--paragraph-word-spacing)}html:lang(ar) .header-bar .menu-overlay .menu-overlay__link-list--small .link:not(:not(:lang(ar))),html:not(:lang(ar)) .header-bar .menu-overlay .menu-overlay__link-list--small .link[lang=ar]{font-family:var(--paragraph-ar-font-family);font-feature-settings:var(--paragraph-ar-font-feature-settings);font-size:var(--paragraph-ar-font-size);font-style:var(--paragraph-ar-font-style);font-variant:var(--paragraph-ar-font-variant);font-weight:var(--paragraph-ar-font-weight);letter-spacing:var(--paragraph-ar-letter-spacing);line-height:var(--paragraph-ar-line-height);text-transform:var(--paragraph-ar-text-transform);word-spacing:var(--paragraph-ar-word-spacing)}.header-bar .menu-overlay .menu-overlay__button-bar,.header-bar .menu-overlay .menu-overlay__link-lists{position:relative;z-index:2}.header-bar .menu-overlay:not([aria-hidden=false]) .picture{display:block;height:100%;left:0;position:absolute;top:0;width:100%;z-index:0}@media (max-width:529px){.header-bar .menu-overlay{--menu-button-height:calc(var(--menu-bar-height) - 10px)}.header-bar .menu-overlay .menu-overlay__buttons{margin-inline:0 auto;width:100%}.header-bar .menu-overlay .button--close,.header-bar .menu-overlay .button--login,.header-bar .menu-overlay .button--logout,.header-bar .menu-overlay .button--search{position:absolute;right:0}[dir=rtl] .header-bar .menu-overlay .button--close,[dir=rtl] .header-bar .menu-overlay .button--login,[dir=rtl] .header-bar .menu-overlay .button--logout,[dir=rtl] .header-bar .menu-overlay .button--search{left:0;right:auto}.header-bar .menu-overlay .button--close{top:calc(var(--grid-padding)/2)}.header-bar .menu-overlay .button--login,.header-bar .menu-overlay .button--logout,.header-bar .menu-overlay .button--search{top:calc(var(--grid-padding)/2 + var(--menu-button-height))}.header-bar .menu-overlay .menu-overlay__call-to-action{display:none}}@media (min-width:530px) and (max-width:799px){.header-bar .menu-overlay .menu-overlay__call-to-action{display:none}}@media (min-width:530px){.header-bar .menu-overlay .menu-overlay__call-to-action,.header-bar .menu-overlay .menu-overlay__scroll-container{grid-column:column 1/span 6}.header-bar .menu-overlay .button--close{min-width:100px}.header-bar .menu-overlay .button--close .button__span{text-align:start}.header-bar .menu-overlay .menu-overlay__links{display:inline-flex}.header-bar .menu-overlay .menu-overlay__link{min-width:auto;width:auto}}@media (min-width:800px){.header-bar .menu-overlay .menu-overlay__call-to-action{grid-column:column 1/span 4}.header-bar .menu-overlay .menu-overlay__scroll-container{grid-column:column 5/span 8}.header-bar .menu-overlay .menu-overlay__scroll-object{display:flex;flex-direction:column;min-height:100%}.header-bar .menu-overlay .menu-overlay__links{margin-block-start:auto}}@media (min-width:1180px){.header-bar .menu-overlay .menu-overlay__call-to-action{grid-column:column 1/span 4}.header-bar .menu-overlay .menu-overlay__scroll-container{grid-column:column 5/span 8}.header-bar .menu-overlay .menu-overlay__button-bar{flex:0}.header-bar .menu-overlay .menu-overlay__link-item+.menu-overlay__link-item{margin-inline-start:calc(var(--block-margin))}.header-bar .menu-overlay .menu-overlay__link-lists{display:flex;flex:1;flex-direction:row;width:100%}.header-bar .menu-overlay .menu-overlay__link-lists-start{flex:0 1 66.66%}.header-bar .menu-overlay .menu-overlay__link-lists-end{border-inline-start:1px solid currentcolor;display:flex;flex:0 1 33.33%;flex-direction:column}.header-bar .menu-overlay .menu-overlay__logo{margin-block-start:auto}}@media (min-width:1480px){.header-bar .menu-overlay .menu-overlay__call-to-action{grid-column:column 1/span 5}.header-bar .menu-overlay .menu-overlay__scroll-container{grid-column:column 6/span 9}}@media (min-width:2260px){.header-bar .menu-overlay .menu-overlay__call-to-action{grid-column:column 1/span 6}.header-bar .menu-overlay .menu-overlay__scroll-container{grid-column:column 7/span 10}}.header-overlay__loader{background:var(--transparency-overlay);border-block-end:none;border-inline-end:none;height:100vh;margin-top:calc(var(--menu-bar-height)*-1);position:absolute;width:100%;z-index:1}body.subsite--mathaf .header-bar .menu-bar .menu-bar__top-wrapper,body.subsite--mathaf .header-bar .menu-bar .menu-bar__wrapper{border-width:0}body.subsite--mathaf .header-bar .menu-bar .menu-bar__logo{padding-block-start:.75rem;padding-inline-start:calc(var(--grid-padding)*2)}body.subsite--mathaf .header-bar .menu-bar .menu-bar__logo .logo__mathaf-full-wrapper{display:none}body.subsite--mathaf .header-bar .menu-bar .menu-bar__logo .logo{display:block;height:auto;width:132px}@media (min-width:800px){body.subsite--mathaf .header-bar .menu-bar .menu-bar__logo .logo{width:280px}}[dir=rtl] body.subsite--mathaf .header-bar .menu-bar .menu-bar__logo .logo .logo__svg{width:200%}@media (min-width:800px){[dir=rtl] body.subsite--mathaf .header-bar .menu-bar .menu-bar__logo .logo .logo__svg{width:100%}}body.subsite--mathaf .header-bar .menu-bar .menu-bar__link-text{font-weight:400}body.subsite--mathaf .header-bar .menu-bar .button--tickets{vertical-align:middle}body.subsite--mathaf .header-bar .menu-bar .button--tickets .button__span{font-weight:400}body.subsite--mathaf .header-bar .menu-bar .button--tickets:before{background-image:url("data:image/svg+xml;charset=utf8,%3Csvg class='mathaf-tickets-underline' xmlns='http://www.w3.org/2000/svg' viewBox='0 0 71.3 9.8'%3E%3Cpath fill='%23000' d='M123.3,151.8a255.7,255.7,0,0,1,52.3-6c5-.1,9.9,0,14.9.2,2.4.1,2.3-3.6,0-3.7a271.7,271.7,0,0,0-53.3,3.1c-5,.8-10,1.8-14.9,2.9-2.3.5-1.3,4,1,3.5Z' transform='translate(-121 -142.1)'/%3E%3C/svg%3E");bottom:-1.5rem;right:.5rem;width:80%}body.subsite--mathaf .header-bar .menu-bar .button--menu{vertical-align:middle}body.subsite--mathaf .header-bar .menu-bar .button--menu .button__icon{display:none}body.subsite--mathaf .header-bar .menu-bar .button--menu .button__span{font-weight:400}body.subsite--mathaf .header-bar .menu-bar .button--menu:after{align-self:center;background-image:url("data:image/svg+xml;charset=utf8,%3Csvg width='36' height='12' viewBox='0 0 36 12' fill='none' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M3.00046 2C9.99533 2 16.9548 2 23.9433 2C25.9802 2 27.9974 2 30.0005 2' stroke='%23000' stroke-width='4' stroke-linecap='round'/%3E%3Cpath d='M2.00046 10C12.6459 10 23.4061 10 34.0005 10' stroke='%23000' stroke-width='4' stroke-linecap='round'/%3E%3C/svg%3E");background-repeat:no-repeat;background-size:contain;content:"";display:block;height:.688rem;width:3rem}body.subsite--mathaf .header-bar .menu-bar .button--primary{padding-block:.5rem .5rem;padding-inline:1rem 1rem}body.subsite--mathaf .header-bar .menu-bar .button--language{padding-block:.4rem .6rem}body.subsite--mathaf .header-bar .menu-bar:not(.menu-bar--homepage) .logo__svg--en{width:132px}@media (min-width:1180px) and (max-width:1479px){body.subsite--mathaf .header-bar .menu-bar .menu-bar__buttons,body.subsite--mathaf .header-bar .menu-bar .menu-bar__links{align-items:center;display:flex}}body.subsite--mathaf .header-bar .menu-bar__buttons .button--language,body.subsite--mathaf .header-bar .menu-bar__buttons .button--venues{display:none}body.subsite--mathaf .header-bar .menu-bar--homepage .menu-bar__top-wrapper .button--back,body.subsite--mathaf .header-bar .menu-bar--transparent .menu-bar__top-wrapper .button--back{color:var(--color-black)}body.subsite--mathaf .header-bar .menu-bar--homepage .menu-bar__top-wrapper .button--back:focus,body.subsite--mathaf .header-bar .menu-bar--homepage .menu-bar__top-wrapper .button--back:hover,body.subsite--mathaf .header-bar .menu-bar--transparent .menu-bar__top-wrapper .button--back:focus,body.subsite--mathaf .header-bar .menu-bar--transparent .menu-bar__top-wrapper .button--back:hover{color:var(--color-black)!important}body.subsite--mathaf .header-bar .menu-bar--homepage .menu-bar__wrapper,body.subsite--mathaf .header-bar .menu-bar--transparent .menu-bar__wrapper{position:relative}body.subsite--mathaf .header-bar .menu-bar--homepage .menu-bar__logo .logo__mathaf-logo-only-wrapper path,body.subsite--mathaf .header-bar .menu-bar--transparent .menu-bar__logo .logo__mathaf-logo-only-wrapper path{fill:var(--color-white)}body.subsite--mathaf .header-bar .menu-bar--homepage .button--tickets:before,body.subsite--mathaf .header-bar .menu-bar--transparent .button--tickets:before{background-image:url("data:image/svg+xml;charset=utf8,%3Csvg class='mathaf-tickets-underline' xmlns='http://www.w3.org/2000/svg' viewBox='0 0 71.3 9.8'%3E%3Cpath fill='%23fff' d='M123.3,151.8a255.7,255.7,0,0,1,52.3-6c5-.1,9.9,0,14.9.2,2.4.1,2.3-3.6,0-3.7a271.7,271.7,0,0,0-53.3,3.1c-5,.8-10,1.8-14.9,2.9-2.3.5-1.3,4,1,3.5Z' transform='translate(-121 -142.1)'/%3E%3C/svg%3E");bottom:-1.5rem;right:.5rem;width:80%}body.subsite--mathaf .header-bar .menu-bar--homepage .button--menu:after,body.subsite--mathaf .header-bar .menu-bar--transparent .button--menu:after{align-self:center;background-image:url("data:image/svg+xml;charset=utf8,%3Csvg width='36' height='12' viewBox='0 0 36 12' fill='none' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M3.00046 2C9.99533 2 16.9548 2 23.9433 2C25.9802 2 27.9974 2 30.0005 2' stroke='%23fff' stroke-width='4' stroke-linecap='round'/%3E%3Cpath d='M2.00046 10C12.6459 10 23.4061 10 34.0005 10' stroke='%23fff' stroke-width='4' stroke-linecap='round'/%3E%3C/svg%3E");background-repeat:no-repeat;background-size:contain;content:"";display:block;height:.688rem;width:3rem}body.subsite--mathaf .header-bar .menu-bar--contrast .menu-bar__wrapper{color:var(--color-black)}body.subsite--mathaf .header-bar .menu-bar--contrast .button--menu:after{align-self:center;background-image:url("data:image/svg+xml;charset=utf8,%3Csvg width='36' height='12' viewBox='0 0 36 12' fill='none' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M3.00046 2C9.99533 2 16.9548 2 23.9433 2C25.9802 2 27.9974 2 30.0005 2' stroke='%23000' stroke-width='4' stroke-linecap='round'/%3E%3Cpath d='M2.00046 10C12.6459 10 23.4061 10 34.0005 10' stroke='%23000' stroke-width='4' stroke-linecap='round'/%3E%3C/svg%3E");background-repeat:no-repeat;background-size:contain;content:"";display:block;height:.688rem;width:3rem}body.subsite--mathaf .header-bar .menu-bar--contrast .button--tickets:before{background-image:url("data:image/svg+xml;charset=utf8,%3Csvg class='mathaf-tickets-underline' xmlns='http://www.w3.org/2000/svg' viewBox='0 0 71.3 9.8'%3E%3Cpath fill='%23000' d='M123.3,151.8a255.7,255.7,0,0,1,52.3-6c5-.1,9.9,0,14.9.2,2.4.1,2.3-3.6,0-3.7a271.7,271.7,0,0,0-53.3,3.1c-5,.8-10,1.8-14.9,2.9-2.3.5-1.3,4,1,3.5Z' transform='translate(-121 -142.1)'/%3E%3C/svg%3E");bottom:-1.5rem;right:.5rem;width:80%}body.subsite--mathaf .header-bar .menu-bar--contrast .menu-bar__logo .logo__mathaf-logo-only-wrapper path{fill:var(--color-black)}body.subsite--mathaf .header-bar .menu-bar--homepage{background-color:transparent;color:var(--color-white);margin-block-end:calc(var(--menu-bar-height)*-1 - 1px);overflow:visible;z-index:1024}body.subsite--mathaf .header-bar .menu-bar--homepage .menu-bar__wrapper:before{background-image:linear-gradient(0deg,transparent 35%,rgba(0,0,0,.5));content:"";display:block;height:calc(var(--menu-bar-height)*2);left:0;position:absolute;top:0;width:100%;z-index:0}body.subsite--mathaf .header-bar .menu-bar--homepage .menu-bar__logo .logo__mathaf-full-wrapper{display:block}body.subsite--mathaf .header-bar .menu-bar--homepage .menu-bar__logo .logo__mathaf-full-wrapper .logo__svg path{fill:var(--color-white)}body.subsite--mathaf .header-bar .menu-bar--homepage .menu-bar__logo .logo__mathaf-logo-only-wrapper{display:none}body.subsite--mathaf .header-bar .menu-bar--homepage .menu-bar__logo .logo{display:block;height:auto;position:absolute;width:80vw}@media (min-width:800px){body.subsite--mathaf .header-bar .menu-bar--homepage .menu-bar__logo .logo{width:65vw}}body.subsite--mathaf .header-bar .menu-overlay{padding-block:var(--grid-padding) var(--grid-padding);padding-inline:var(--grid-padding) var(--grid-padding)}body.subsite--mathaf .header-bar .menu-overlay .menu-overlay__scroll-container{background-color:var(--color-white)}body.subsite--mathaf .header-bar .menu-overlay .menu-overlay__button-bar{margin-block-end:calc(var(--block-margin)*2)}body.subsite--mathaf .header-bar .menu-overlay .menu-overlay__logotext{padding-block:0 0;padding-inline:0 0}body.subsite--mathaf .header-bar .menu-overlay .menu-overlay__logotext .logo{height:100%;width:175%}body.subsite--mathaf .header-bar .menu-overlay .menu-overlay__logotext .logo .logo__svg{height:100%;width:unset}[dir=rtl] body.subsite--mathaf .header-bar .menu-overlay .menu-overlay__logotext .logo{width:280px}[dir=rtl] body.subsite--mathaf .header-bar .menu-overlay .menu-overlay__logotext .logo .logo__svg{position:relative;right:-1.5rem}body.subsite--mathaf .header-bar .menu-overlay .button--tickets{padding-block:.5rem .5rem;padding-inline:1rem 1rem}body.subsite--mathaf .header-bar .menu-overlay .button--tickets .button__icon{display:none}body.subsite--mathaf .header-bar .menu-overlay .button--tickets .button__span{font-weight:400}body.subsite--mathaf .header-bar .menu-overlay .button--tickets:before{background-image:url("data:image/svg+xml;charset=utf8,%3Csvg width='65' height='6' viewBox='0 0 65 6' fill='none' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M1.00049 5.12138C22.3035 1.49431 43.3014 0.646583 64.3807 1.4178' stroke='black' stroke-linecap='round'/%3E%3C/svg%3E");background-size:contain;bottom:-1.5rem;right:.5rem;width:80%}body.subsite--mathaf .header-bar .menu-overlay .button--close .button__icon{display:none}body.subsite--mathaf .header-bar .menu-overlay .button--close .button__span{font-weight:400}body.subsite--mathaf .header-bar .menu-overlay 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.button--tertiary:hover:not(.button--disabled,:disabled) .button__span,body.subsite--mathaf .button--transparent.button--selected .button__span,body.subsite--mathaf .button--transparent:hover:not(.button--disabled,:disabled) .button__span{text-decoration:underline}body.subsite--mathaf .button--clean:focus:not(.button--disabled,:disabled),body.subsite--mathaf .button--outline:focus:not(.button--disabled,:disabled),body.subsite--mathaf .button--primary:focus:not(.button--disabled,:disabled),body.subsite--mathaf .button--secondary:focus:not(.button--disabled,:disabled),body.subsite--mathaf .button--tertiary:focus:not(.button--disabled,:disabled),body.subsite--mathaf .button--transparent:focus:not(.button--disabled,:disabled){background-color:transparent;border-color:transparent;color:currentcolor;outline:solid 1px var(--color-black)}body.subsite--mathaf .button{text-underline-offset:.25rem}body.subsite--mathaf .button--primary{overflow:visible;padding-block-start:0;padding-inline:0 3rem;position:relative}body.subsite--mathaf .button--primary:before{background-image:url("data:image/svg+xml;charset=utf8,%3Csvg class='mathaf-arrow-primary' data-direction='text-direction' xmlns='http://www.w3.org/2000/svg' viewBox='0 0 81.8 13.9'%3E%3Cpath fill='%23000' d='M205.1,163.6h-.2a1.4,1.4,0,0,0-1-.8,48.6,48.6,0,0,1-12.7-4.2c-.7-.3-2.1-.1-2.2,1-.5,3.2,3.4,4.1,5.9,4.9-17,1.4-34.1,2.7-51.2,3.3l-17.5.4a1.5,1.5,0,0,0,0,3c20.5,0,41-1.4,61.4-3.1l7.7-.6a20.9,20.9,0,0,0-2,2.2c-1.3,1.5.9,3.7,2.1,2.1a22.2,22.2,0,0,1,5.8-4.8l3.9-.3A1.6,1.6,0,0,0,205.1,163.6Z' transform='translate(-124.8 -158.5)'/%3E%3C/svg%3E");background-repeat:no-repeat;background-size:contain;bottom:-1rem;content:"";height:2.5rem;position:absolute;right:1rem;width:100px}[dir=rtl] body.subsite--mathaf .button--primary:before{left:.75rem;right:unset;transform:rotateY(180deg)}body.subsite--mathaf .button--primary.button--selected .button__span,body.subsite--mathaf .button--primary:focus:not(.button--disabled,:disabled) .button__span,body.subsite--mathaf .button--primary:hover:not(.button--disabled,:disabled) .button__span{text-decoration:none}body.subsite--mathaf .button--primary .button__icon{display:none}body.subsite--mathaf .button--secondary{padding-inline-end:44px}body.subsite--mathaf .button--secondary .nuxt-icon{display:none}body.subsite--mathaf .button--secondary:after{background-color:#000;content:"";display:block;height:1.45rem;-webkit-mask-image:url("data:image/svg+xml;charset=utf8,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 28.6 22.3'%3E%3Cpath d='M309,417.4c-4.2-2.5-8.3-5.2-12.3-8-1.8-1.2-3.8,1.5-2.3,2.9s3,3.2,4.7,4.6l-16,.3c-2.4,0-2.4,3.8,0,3.7l19.5-.3-2.4,1.8c-2,1.8-4.4,3.7-5.6,6.2s2.2,4,3.2,1.8,3.3-3.8,5.1-5.3a52.4,52.4,0,0,1,6.1-4.4A2,2,0,0,0,309,417.4Z' transform='translate(-281.3 -409.1)'/%3E%3C/svg%3E");mask-image:url("data:image/svg+xml;charset=utf8,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 28.6 22.3'%3E%3Cpath d='M309,417.4c-4.2-2.5-8.3-5.2-12.3-8-1.8-1.2-3.8,1.5-2.3,2.9s3,3.2,4.7,4.6l-16,.3c-2.4,0-2.4,3.8,0,3.7l19.5-.3-2.4,1.8c-2,1.8-4.4,3.7-5.6,6.2s2.2,4,3.2,1.8,3.3-3.8,5.1-5.3a52.4,52.4,0,0,1,6.1-4.4A2,2,0,0,0,309,417.4Z' transform='translate(-281.3 -409.1)'/%3E%3C/svg%3E");-webkit-mask-repeat:no-repeat;mask-repeat:no-repeat;width:1.875rem}@media (min-width:800px){body.subsite--mathaf .button--secondary:after{height:1.8rem;width:2.313rem}}[dir=rtl] body.subsite--mathaf .button--secondary:after{transform:rotateY(180deg)}body.subsite--mathaf .button--secondary:after{left:auto;position:absolute;right:0;top:18px}[dir=rtl] body.subsite--mathaf .button--secondary:after{left:0;right:auto}body.subsite--mathaf .button--tertiary{background-color:var(--color-mathaf-grey)}body.subsite--mathaf .button--tertiary.button--selected,body.subsite--mathaf .button--tertiary:focus:not(.button--disabled,:disabled),body.subsite--mathaf .button--tertiary:hover:not(.button--disabled,:disabled){background-color:var(--color-white)}body.subsite--mathaf .button__icon{align-self:center}body.subsite--mathaf .button__icon--before{margin-inline:.25rem .25rem}body.subsite--mathaf .button__icon--after{margin-inline-start:.75rem}body.subsite--mathaf .button--icon-only{align-items:center;height:48px;justify-content:center;min-width:unset;width:48px}body.subsite--mathaf .button--icon-only .button__icon{display:block;flex:0 0 var(--button-line-height);height:var(--button-line-height);padding-block:1px 1px;padding-inline:1px 1px;width:var(--button-line-height)}@media (min-width:800px){body.subsite--mathaf .button--icon-only{height:60px;width:60px}}.error-page{min-height:100dvh;overflow:hidden}.error-page,.error-page .bare-header{position:relative}.error-page .bare-header .bare-header__grid{display:grid;grid-gap:0 var(--grid-gutter);grid-template-columns:repeat(var(--grid-columns),[column] minmax(0,1fr));margin-inline:auto auto;max-width:calc(var(--grid-max-width) + var(--grid-gutter)*2 + var(--grid-margin)*2);padding-inline:calc(var(--grid-gutter) + var(--grid-margin)) calc(var(--grid-gutter) + var(--grid-margin))}.error-page .bare-header .bare-header__title-wrapper{grid-column:column 1/span 4;position:relative}.error-page .bare-header .bare-header__title{color:var(--heading-1-color,currentColor);font-family:var(--heading-1-font-family);font-feature-settings:var(--heading-1-font-feature-settings);font-size:var(--heading-1-font-size);font-style:var(--heading-1-font-style);font-variant:var(--heading-1-font-variant);font-weight:var(--heading-1-font-weight);letter-spacing:var(--heading-1-letter-spacing);line-height:var(--heading-1-line-height);margin-block:calc(var(--grid-padding)*2) calc(var(--heading-1-line-height)/2);padding-block:var(--heading-1-padding-top) var(--heading-1-padding-bottom);padding-inline:var(--grid-padding) var(--grid-padding);-webkit-text-decoration:var(--heading-1-text-decoration);text-decoration:var(--heading-1-text-decoration);text-decoration-thickness:var(--heading-1-text-decoration-thickness);text-transform:var(--heading-1-text-transform);text-transform:uppercase;text-underline-offset:var(--heading-1-text-underline-offset);word-spacing:var(--heading-1-word-spacing)}html:lang(ar) .error-page .bare-header .bare-header__title:not(:not(:lang(ar))),html:not(:lang(ar)) .error-page .bare-header .bare-header__title[lang=ar]{font-family:var(--heading-1-ar-font-family);font-feature-settings:var(--heading-1-ar-font-feature-settings);font-size:var(--heading-1-ar-font-size);font-style:var(--heading-1-ar-font-style);font-variant:var(--heading-1-ar-font-variant);font-weight:var(--heading-1-ar-font-weight);letter-spacing:var(--heading-1-ar-letter-spacing);line-height:var(--heading-1-ar-line-height);text-transform:var(--heading-1-ar-text-transform);word-spacing:var(--heading-1-ar-word-spacing)}@media (min-width:530px){.error-page .bare-header .bare-header__title-wrapper{grid-column:column 1/span 4}}@media (min-width:800px){.error-page .bare-header .bare-header__title-wrapper{grid-column:column 1/span 8}}@media (min-width:1180px){.error-page .bare-header .bare-header__title-wrapper{grid-column:column 1/span 8}}@media (min-width:1480px){.error-page .bare-header .bare-header__title-wrapper{grid-column:column 2/span 9}}@media (min-width:2260px){.error-page .bare-header .bare-header__title-wrapper{grid-column:column 3/span 10}}.error-page .article-content{margin-block:var(--block-margin) var(--block-margin);position:relative}.error-page .article-content .article-content__grid{display:grid;grid-gap:0 var(--grid-gutter);grid-template-columns:repeat(var(--grid-columns),[column] minmax(0,1fr));margin-inline:auto auto;max-width:calc(var(--grid-max-width) + var(--grid-gutter)*2 + var(--grid-margin)*2);padding-inline:calc(var(--grid-gutter) + var(--grid-margin)) calc(var(--grid-gutter) + var(--grid-margin))}.error-page .article-content .article-content__buttons,.error-page .article-content .article-content__wrapper{grid-column:column 1/span 4;padding-inline:var(--grid-padding) var(--grid-padding)}.error-page .article-content .article-content__buttons{font-size:0;margin-block-start:2rem}.error-page .article-content .article-content__buttons .button{margin-block-end:var(--grid-padding);margin-inline-end:var(--grid-padding)}@media (min-width:530px){.error-page .article-content .article-content__buttons,.error-page .article-content .article-content__wrapper{grid-column:column 1/span 6}}@media (min-width:800px){.error-page .article-content .article-content__buttons,.error-page .article-content .article-content__wrapper{grid-column:column 3/span 7}}@media (min-width:1180px){.error-page .article-content .article-content__buttons,.error-page .article-content .article-content__wrapper{grid-column:column 4/span 6}}@media (min-width:1480px){.error-page .article-content .article-content__buttons,.error-page .article-content .article-content__wrapper{grid-column:column 5/span 6}}@media (min-width:2260px){.error-page .article-content .article-content__buttons,.error-page .article-content .article-content__wrapper{grid-column:column 6/span 6}}.error-page .richtext{position:relative}.error-page .richtext--regular ol,.error-page .richtext--regular p,.error-page .richtext--regular ul{color:var(--paragraph-color,currentColor);font-family:var(--paragraph-font-family);font-feature-settings:var(--paragraph-font-feature-settings);font-size:var(--paragraph-font-size);font-style:var(--paragraph-font-style);font-variant:var(--paragraph-font-variant);font-weight:var(--paragraph-font-weight);letter-spacing:var(--paragraph-letter-spacing);line-height:var(--paragraph-line-height);padding-block:var(--paragraph-padding-top) var(--paragraph-padding-bottom);-webkit-text-decoration:var(--paragraph-text-decoration);text-decoration:var(--paragraph-text-decoration);text-decoration-thickness:var(--paragraph-text-decoration-thickness);text-transform:var(--paragraph-text-transform);text-underline-offset:var(--paragraph-text-underline-offset);word-spacing:var(--paragraph-word-spacing)}html:lang(ar) .error-page .richtext--regular ol:not(:not(:lang(ar))),html:lang(ar) .error-page .richtext--regular p:not(:not(:lang(ar))),html:lang(ar) .error-page .richtext--regular ul:not(:not(:lang(ar))),html:not(:lang(ar)) .error-page .richtext--regular ol[lang=ar],html:not(:lang(ar)) .error-page .richtext--regular p[lang=ar],html:not(:lang(ar)) .error-page .richtext--regular ul[lang=ar]{font-family:var(--paragraph-ar-font-family);font-feature-settings:var(--paragraph-ar-font-feature-settings);font-size:var(--paragraph-ar-font-size);font-style:var(--paragraph-ar-font-style);font-variant:var(--paragraph-ar-font-variant);font-weight:var(--paragraph-ar-font-weight);letter-spacing:var(--paragraph-ar-letter-spacing);line-height:var(--paragraph-ar-line-height);text-transform:var(--paragraph-ar-text-transform);word-spacing:var(--paragraph-ar-word-spacing)}.error-page .richtext--regular ol:not(:first-child),.error-page .richtext--regular p:not(:first-child),.error-page .richtext--regular ul:not(:first-child){margin-block-start:var(--paragraph-margin-top)}.error-page .richtext--regular ol:not(:last-child),.error-page .richtext--regular p:not(:last-child),.error-page .richtext--regular ul:not(:last-child){margin-block-end:var(--paragraph-margin-bottom)}.error-page .richtext--regular ol [lang=ar],.error-page .richtext--regular p [lang=ar],.error-page .richtext--regular ul [lang=ar]{font-family:var(--paragraph-ar-font-family);font-feature-settings:var(--paragraph-ar-font-feature-settings);font-size:var(--paragraph-ar-font-size);font-style:var(--paragraph-ar-font-style);font-variant:var(--paragraph-ar-font-variant);font-weight:var(--paragraph-ar-font-weight);letter-spacing:var(--paragraph-ar-letter-spacing);line-height:var(--paragraph-ar-line-height);text-transform:var(--paragraph-ar-text-transform);word-spacing:var(--paragraph-ar-word-spacing)}:root{--breakpoint-mobile:320px;--breakpoint-portrait:530px;--breakpoint-landscape:800px;--breakpoint-notebook:1180px;--breakpoint-desktop:1480px;--breakpoint-desktop-medium:1920px;--breakpoint-desktop-large:2260px;--breakpoint:var(--breakpoint-mobile);--document-min-width:320px;--document-max-width:2560px;--full-grid-column-width:calc((100% - var(--grid-margin)*2 - var(--grid-gutter)*(var(--grid-columns) + 1))/var(--grid-columns));--grid-columns:4;--grid-gutter:0;--grid-margin:0;--grid-max-width:100%;--grid-spacing:10px;--grid-padding:10px;--block-margin:30px}@media (min-width:530px){:root{--breakpoint:var(--breakpoint-portrait);--grid-columns:6}}@media (min-width:800px){:root{--breakpoint:var(--breakpoint-landcape);--grid-columns:12;--block-margin:60px}}@media (min-width:1180px){:root{--breakpoint:var(--breakpoint-notebook);--grid-columns:12}}@media (min-width:1480px){:root{--breakpoint:var(--breakpoint-desktop);--grid-columns:14}}@media (min-width:1920px){:root{--breakpoint:var(--breakpoint-desktop-medium);--grid-columns:14}}@media (min-width:2260px){:root{--breakpoint:var(--breakpoint-desktop-large);--grid-columns:16}}:root{--space-xxs:5px;--space-xs:10px;--space-sm:15px;--space-md:20px;--space-lg:30px;--space-xl:50px;--space-xxl:80px;font-size:16px;font-size-adjust:none;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;line-height:1.5em;text-rendering:optimizelegibility}:root b,:root strong{font-weight:700}:root{--color-black:#000;--color-white:#fff;--easing-default:var(--timing-default) var(--bezier-default);--easing-slow:var(--timing-slow) var(--bezier-default);--easing-extraslow:var(--timing-extraslow) var(--bezier-default);--color-blue:#78aaf9;--color-orange:#f6c343;--color-yellow:#ffe40c;--color-magenta:#e83082;--color-grey-dark:#222;--color-grey:#464646;--color-grey-light:#bdbdbd;--color-grey-lighter:#ebebeb;--color-grey-extralight:#f6f6f6;--color-grey-medium:#6e6e6e;--color-grey-medium-light:#9b9b9b;--color-grey-medium-dark:#cacbcb;--color-mathaf-grey:#eef1f2;--color-yellow-bright:#f9ff1e;--color-error:#e9190a;--color-success:#36ac17;--color-info:#000;--transparency-overlay:hsla(0,0%,100%,.8);--transparency-background:rgba(0,0,0,.55);--transparency-button:rgba(0,0,0,.33);--transparency-3d:hsla(0,0%,92%,.6);--grid-border:1px solid #000;--grid-border-white:1px solid #fff;--actual-vw:calc(100vw - var(--grid-padding)*2);--bezier-default:cubic-bezier(.26,.88,.57,.9);--bezier-tighter:cubic-bezier(.23,1,.32,1);--timing-fast:.15s;--timing-default:.35s;--timing-slow:.75s;--timing-extraslow:1.5s;--z-index-overlay:2048;--menu-bar-height:60px;--endorsement-bar-height:0px}@media (min-width:1180px){:root{--menu-bar-height:70px}}@media (min-width:800px){:root{--endorsement-bar-height:50px}}@media screen and (prefers-reduced-motion:reduce){:root{--timing-fast:1ms;--timing-default:1ms;--timing-slow:1ms;--timing-extraslow:1ms}}.error .header-overlay,.error .menu-bar__buttons,.error .menu-bar__links{display:none}