.sr-only{position:absolute!important;width:1px!important;height:1px!important;padding:0!important;margin:-1px!important;overflow:hidden!important;clip:rect(0,0,0,0)!important;white-space:nowrap!important;border:0!important}
.sk-header{position:sticky;top:0;z-index:100;width:100%;margin:0;padding:0;border:0;border-bottom:1px solid #e1e4eb;background:#fffffff5;backdrop-filter:blur(18px);color:#132c50;font-family:Arial,Helvetica,sans-serif}.sk-header *,.sk-mobile-dock *{box-sizing:border-box}.sk-header .sk-header-inner{height:80px;max-width:1440px;padding:0 48px;margin:auto;display:flex;align-items:center;justify-content:space-between;gap:32px}.sk-header .sk-brand{display:flex;align-items:center;gap:8px;flex:none}.sk-brand img{display:block;object-fit:contain;filter:none}.sk-brand img:first-child{width:36px;height:32px}.sk-brand img:last-child{width:138px;height:43px}.sk-header a{text-decoration:none}.sk-desktop-nav{display:flex;align-items:center;gap:28px;margin:auto;font-size:13px}.sk-desktop-nav>a,.sk-role-menu>summary{display:flex;align-items:center;gap:9px;min-height:44px;color:#132c50;font-weight:600;cursor:pointer}.sk-role-menu{border:0;background:none;padding:0;margin:0;position:static}.sk-role-menu>summary{list-style:none;padding:0}.sk-role-menu>summary::-webkit-details-marker,.sk-menu>summary::-webkit-details-marker{display:none}.sk-role-menu>summary>svg{width:15px;height:15px;fill:none;stroke:currentColor;stroke-width:1.8;transition:transform .2s}.sk-role-menu[open]>summary>svg{transform:rotate(180deg)}.sk-role-menu[open]>summary,.sk-desktop-nav>a:hover{color:#146fa8;}.sk-header-actions{display:flex;align-items:center;gap:15px;flex:none}.sk-header .sk-about{font-size:12px;border:1px solid #e1e4eb;border-radius:30px;padding:13px 18px;color:#132c50;white-space:nowrap}.sk-header .sk-primary{background:#146fa8;color:white;border:0;border-radius:30px;padding:12px 18px;font:600 13px Arial;min-height:44px}.sk-dropdown{position:absolute;top:79px;left:50%;transform:translateX(-50%);width:min(850px,calc(100vw - 60px));padding:26px 30px 30px;border:1px solid #e1e4eb;border-radius:0 0 22px 22px;background:#fff;box-shadow:0 30px 60px #132c5029}.sk-dropdown-top{display:flex;justify-content:space-between;align-items:center;padding:0 0 19px;border-bottom:1px solid #f2f3f7;gap:20px}.sk-dropdown-top>span{font-size:10px;letter-spacing:.1em;color:#526680}.sk-dropdown-top>a{font-size:12px;color:#132c50;font-weight:600}.sk-dropdown nav{display:grid;grid-template-columns:1fr 1fr;gap:5px 24px;margin-top:12px}.sk-dropdown nav>a,.sk-mobile-groups>details>a:not(.sk-group-home){display:grid;grid-template-columns:38px 1fr 17px;align-items:center;gap:12px;min-height:78px;padding:12px 8px;border-radius:12px;color:#132c50}.sk-dropdown nav>a:hover,.sk-mobile-groups>details>a:hover{background:#f2f3f7}.sk-link-icon{display:grid;place-items:center;width:36px;height:36px;background:#e7efff;border-radius:10px;color:#146fa8;}.sk-link-icon svg{width:21px;height:21px}.sk-dropdown a>svg,.sk-mobile-groups a>svg{width:17px;height:17px}.sk-dropdown strong,.sk-mobile-groups strong{display:block;font-size:14px;font-weight:600}.sk-dropdown small,.sk-mobile-groups small{display:block;font-size:11px;line-height:1.5;color:#526680;margin-top:5px}.sk-menu{position:static;border:0;padding:0;margin:0;display:none}.sk-menu>summary{display:flex;align-items:center;gap:8px;min-height:44px;cursor:pointer;list-style:none;background:transparent;border:1px solid #e1e4eb;border-radius:30px;padding:10px 16px;color:#132c50;font:13px Arial}.sk-menu>summary svg{width:20px;height:20px}.sk-menu-panel{position:absolute;top:79px;right:30px;width:460px;max-width:calc(100vw - 30px);max-height:calc(100dvh - 170px);overflow-y:auto;overscroll-behavior:contain;padding:22px;background:#fff;border:1px solid #e1e4eb;border-radius:0 0 20px 20px;box-shadow:0 30px 60px #132c5029}.sk-menu-heading{display:flex;justify-content:space-between;align-items:center;margin-bottom:15px;font-size:10px;letter-spacing:.1em;color:#526680}.sk-menu-heading button{border:0;background:#f2f3f7;border-radius:50%;width:38px;height:38px;padding:9px;display:grid;place-items:center;cursor:pointer}.sk-menu-heading svg{width:20px;height:20px}.sk-mobile-groups details{border:0;border-top:1px solid #f2f3f7;padding:0;margin:0;background:none}.sk-mobile-groups summary{display:flex;align-items:center;justify-content:space-between;list-style:none;cursor:pointer;font-size:22px;font-weight:600;padding:20px 4px;color:#132c50}.sk-mobile-groups summary::-webkit-details-marker{display:none}.sk-mobile-groups summary>span{font-size:24px;font-weight:400;color:#526680}.sk-mobile-groups details[open]>summary>span{transform:rotate(45deg)}.sk-group-home{display:block;color:#24476e;font-size:13px;padding:8px 8px 12px}.sk-menu-footer{display:flex;flex-wrap:wrap;gap:12px;border-top:1px solid #e1e4eb;margin-top:15px;padding-top:20px}.sk-menu-footer a{font-size:12px;color:#24476e;min-height:30px}.sk-menu-backdrop{position:fixed;inset:80px 0 0;z-index:99;border:0;background:#132c5055;backdrop-filter:blur(3px);padding:0;width:100%;height:calc(100dvh - 80px)}.sk-menu-backdrop[hidden]{display:none}.sk-mobile-dock{display:none}.sk-header :focus-visible,.sk-mobile-dock :focus-visible{outline:3px solid #526680;outline-offset:3px}
html:not([data-site-role="teacher"]) [data-audience-for="teacher"],html[data-site-role="teacher"] [data-audience-for="student"]{display:none!important}html[data-site-role] :is(.launch-roles,.education-roles,.workshop-roles,.audience-switch){display:none!important}html[data-site-role] .seo-guide,html[data-site-role] .native-tools{grid-template-columns:minmax(0,1fr)}html[data-site-role] .app-shelf{grid-template-columns:repeat(2,minmax(0,1fr))}
@media(max-width:1050px){.sk-header .sk-header-inner{padding:0 26px;gap:20px}.sk-desktop-nav{gap:18px}.sk-about{display:none}}
@media(max-width:800px){.sk-header .sk-header-inner{height:68px;padding:0 20px}.sk-desktop-nav{display:none}.sk-menu{display:block}.sk-menu-panel{position:fixed;left:12px;right:12px;top:67px;width:auto;max-width:none;max-height:calc(100dvh - 154px - env(safe-area-inset-bottom));border-radius:0 0 18px 18px}.sk-menu-backdrop{inset:68px 0 0;height:calc(100dvh - 68px)}.sk-brand img:first-child{width:29px;height:28px}.sk-brand img:last-child{width:119px;height:36px}.sk-mobile-dock{position:fixed;left:0;right:0;bottom:0;z-index:101;background:#fffffff5;backdrop-filter:blur(15px);border-top:1px solid #e1e4eb;display:grid;grid-template-columns:repeat(4,minmax(0,1fr));padding:7px 12px calc(7px + env(safe-area-inset-bottom));font-family:Arial}.sk-mobile-dock a,.sk-mobile-dock button{border:0;border-radius:11px;background:none;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:5px;color:#526680;font:10px Arial;min-height:46px;padding:5px;text-decoration:none;cursor:pointer}.sk-mobile-dock svg{width:21px;height:21px}.sk-mobile-dock [aria-current=page],.sk-mobile-dock [aria-expanded=true]{background:#edf1f7;color:#146fa8;}.sk-header-actions{gap:8px}.sk-header .sk-primary{font-size:11px;padding:10px 13px}.sk-menu>summary{padding:10px 13px;font-size:12px}body:has(.sk-mobile-dock){padding-bottom:calc(75px + env(safe-area-inset-bottom))}body.sk-menu-open{overflow:hidden}html{scroll-padding-top:85px;scroll-padding-bottom:85px}}
@media(max-width:480px){.sk-header .sk-header-inner{padding-inline:16px;gap:10px}.sk-header-actions{gap:6px}.sk-header .sk-brand{gap:4px}.sk-brand img:first-child{width:26px}.sk-brand img:last-child{width:102px}.sk-header .sk-primary{font-size:10px;padding:9px}.sk-menu>summary{padding:10px;gap:6px}.sk-menu-panel{padding:20px 18px}html[data-site-role] .app-shelf{grid-template-columns:1fr}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto!important}.sk-header *{transition:none!important}}
@media print{.sk-header,.sk-menu-backdrop,.sk-mobile-dock{display:none!important}body:has(.sk-mobile-dock){padding-bottom:0}}

/* Owner-supplied social profiles; plain links, without third-party embeds. */
.sk-social-link{display:inline-flex!important;align-items:center;gap:8px;min-height:44px!important;text-decoration:none;font-size:11px;line-height:1.4;color:inherit;white-space:nowrap}
.sk-social-link>svg{width:20px;height:20px;flex:none}
.sk-social-link b{font-weight:500;margin-left:4px}
.sk-social-link:hover{text-decoration:underline;text-underline-offset:4px}
.sk-social-link:focus-visible{outline:2px solid currentColor;outline-offset:4px;border-radius:4px}
.sk-menu-footer .sk-social-link{flex-basis:100%;margin-bottom:3px}
.deneme-footer{align-items:center;flex-wrap:wrap}
.deneme-footer .sk-social-link span{display:inline;color:inherit}
.portal-footer nav{align-items:center;flex-wrap:wrap}
@media print{.sk-social-link{display:none!important}}