:root{--rcl-radius:24px;--rcl-shadow:0 12px 38px rgba(16,24,40,.075);--rcl-shadow-lg:0 30px 75px rgba(16,24,40,.15)}body.rcl-enabled{background:linear-gradient(180deg,var(--rcl-bg),color-mix(in srgb,var(--rcl-bg) 94%,var(--rcl-brand) 6%));font-feature-settings:"ss01" 1}.rcl-shell{width:min(1240px,calc(100% - 48px));padding:72px 0 110px}.rcl-card,.rcl-course-card,.rcl-module-card,.rcl-course-picker{border-color:color-mix(in srgb,var(--rcl-border) 78%,transparent);box-shadow:var(--rcl-shadow)}.rcl-card{padding:34px}.rcl-button{min-height:44px;padding:11px 18px;border-radius:999px;transition:.2s ease}.rcl-button:hover{box-shadow:0 12px 25px color-mix(in srgb,var(--rcl-brand) 28%,transparent)}
.rcl-heading h1,.rcl-heading h2,.rcl-course-hero h1,.rcl-dashboard-hero h1{letter-spacing:-.06em}.rcl-heading p,.rcl-course-hero p,.rcl-dashboard-hero p{line-height:1.7}.rcl-course-grid{gap:26px}.rcl-course-card{border-radius:26px;transition:transform .25s ease,box-shadow .25s ease}.rcl-course-card:hover{transform:translateY(-5px);box-shadow:var(--rcl-shadow-lg)}.rcl-cover{aspect-ratio:16/9}.rcl-course-content{padding:28px}.rcl-course-content h3{font-size:1.6rem;letter-spacing:-.035em}.rcl-progress{height:8px}.rcl-progress i{border-radius:inherit}
.rcl-course-hero{position:relative;overflow:hidden;min-height:420px;padding:58px;border-radius:34px;background:radial-gradient(circle at 86% 8%,rgba(255,255,255,.16),transparent 27%),linear-gradient(135deg,var(--rcl-brand-dark),var(--rcl-brand));box-shadow:var(--rcl-shadow-lg)}.rcl-course-hero::before{content:"";position:absolute;right:-170px;bottom:-280px;width:510px;height:510px;border:1px solid rgba(255,255,255,.13);border-radius:50%;box-shadow:0 0 0 65px rgba(255,255,255,.035),0 0 0 130px rgba(255,255,255,.02)}.rcl-course-hero>*{position:relative;z-index:1}.rcl-course-hero h1{font-size:clamp(3rem,6vw,5.2rem);max-width:780px}.rcl-course-image{flex-basis:390px;min-height:270px;border-radius:28px;background:rgba(17,24,39,.13);backdrop-filter:blur(10px)}.rcl-course-layout{grid-template-columns:minmax(0,2.2fr) minmax(290px,.8fr);gap:28px;margin-top:30px}.rcl-course-tabs{position:sticky;top:96px;z-index:8;padding:8px;border-radius:18px;box-shadow:0 8px 25px rgba(16,24,40,.06)}.rcl-course-tabs a{padding:13px 18px}.rcl-course-about{font-size:1.02rem;line-height:1.8}.rcl-module-card{border-radius:18px}.rcl-module-card summary{padding:24px 28px}.rcl-module-card summary strong{font-size:1.12rem}.rcl-curriculum-lesson{padding:18px 27px}.rcl-lesson-icon{flex:0 0 38px;height:38px;border-radius:12px}.rcl-progress-card{position:sticky;top:174px;align-self:start}.rcl-progress-card strong{font-size:3.4rem;letter-spacing:-.06em}
.rcl-lesson-layout{grid-template-columns:minmax(0,2.5fr) minmax(280px,.75fr);gap:30px}.rcl-lesson-page .rcl-heading h1{font-size:clamp(2.6rem,5vw,4.4rem)}.rcl-video{border-radius:26px;box-shadow:var(--rcl-shadow-lg)}.rcl-lesson-content{font-size:1.06rem;line-height:1.85}.rcl-lesson-content h2,.rcl-lesson-content h3{letter-spacing:-.03em}.rcl-material-list>a{padding:16px;border-radius:15px}.rcl-material-list>a>span:first-child{border-radius:12px}.rcl-sticky{top:110px}
.rcl-table tr:last-child td{border-bottom:0}:root[data-rcl-theme=dark] body.rcl-enabled{background:linear-gradient(180deg,var(--rcl-bg),#0b0d12)}:root[data-rcl-theme=dark] .rcl-card,:root[data-rcl-theme=dark] .rcl-course-card,:root[data-rcl-theme=dark] .rcl-module-card{box-shadow:0 14px 40px rgba(0,0,0,.2)}
@media(max-width:900px){.rcl-shell{width:min(100% - 32px,1240px)}.rcl-course-hero{min-height:0}.rcl-course-tabs{position:static}.rcl-progress-card{position:static}}
@media(max-width:620px){.rcl-shell{width:min(100% - 22px,1240px)}.rcl-card{padding:24px}.rcl-course-hero{padding:34px 24px;border-radius:25px}.rcl-course-hero h1{font-size:2.7rem}.rcl-course-image{flex-basis:190px;min-height:190px}.rcl-course-content{padding:23px}}