.explore-course-card{display:flex;flex:1 0;flex-direction:column;gap:var(--scale-20);min-width:0;padding:var(--scale-24);border:1px solid var(--color-brand-secondary-940);border-radius:var(--radius-xl);background:var(--color-brand-secondary-980);text-decoration:none}.explore-course-card:hover{background:var(--color-brand-secondary-950);border-color:var(--color-brand-secondary-900)}.explore-course-card--draft{border-style:dashed}.explore-course-card--draft,.explore-course-card--draft:hover{border-color:var(--color-brand-secondary-600)}.explore-course-card-skeleton{min-height:204px}.explore-course-card-text{display:flex;flex-direction:column;gap:var(--scale-8)}.explore-course-card-eyebrow{margin:0;color:var(--color-brand-secondary-400);text-transform:uppercase;font-family:var(--font-family-base);font-size:var(--font-size-sm);font-weight:var(--font-weight-regular);line-height:20px}.explore-course-card-title{margin:0;color:var(--color-text-primary);font-family:var(--font-family-base);font-size:var(--font-size-lg2);font-weight:var(--font-weight-semibold);line-height:28px}.explore-course-card-description{margin:0;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;color:var(--color-text-secondary);font-size:var(--font-size-sm);line-height:20px}.explore-course-card-description,.explore-course-card-meta{font-family:var(--font-family-base);font-weight:var(--font-weight-regular)}.explore-course-card-meta{display:flex;align-items:center;gap:var(--scale-20);flex-wrap:wrap;color:var(--color-text-primary);font-size:var(--font-size-md);line-height:24px}.explore-course-card-meta-item{display:flex;align-items:center;gap:var(--scale-8)}.explore-course-card-meta-item--instructor{gap:var(--scale-12)}.explore-course-card-meta-icon{width:20px;height:20px;flex-shrink:0}.explore-course-card-divider{width:1px;height:24px;background:var(--color-brand-secondary-940)}.explore-course-card-coming-soon,.explore-course-card-start-date{color:var(--color-brand-primary-200)}.explore-course-card-avatar{width:32px;height:32px;border-radius:var(--radius-pill);object-fit:cover;background:var(--color-neutral-0)}.explore-course-card-avatar--placeholder,.skeleton-block{background:var(--color-brand-secondary-800)}.skeleton-block{position:relative;overflow:hidden;display:block;border-radius:var(--radius-sm)}.skeleton-block--circle{border-radius:50%}.skeleton-block:after{content:"";position:absolute;inset:0;transform:translateX(-100%);background:linear-gradient(90deg,hsla(0,0%,100%,0),hsla(0,0%,100%,.14) 50%,hsla(0,0%,100%,0));animation:skeleton-shimmer 1.6s ease-in-out infinite}@keyframes skeleton-shimmer{to{transform:translateX(100%)}}.header-account-menu{position:relative}.header-account-menu-trigger{display:flex;align-items:center;justify-content:center;width:34px;height:34px;padding:0;border:none;border-radius:var(--radius-pill);background:var(--color-brand-secondary-200);color:var(--color-neutral-900);cursor:pointer;font-family:var(--font-family-base);font-size:var(--font-size-sm);font-weight:var(--font-weight-regular);line-height:20px;text-transform:uppercase}.header-account-menu-dropdown{position:absolute;top:calc(100% + var(--scale-8));right:0;z-index:50;display:flex;flex-direction:column;gap:var(--scale-4);width:256px;padding:var(--scale-8);border-radius:var(--radius-lg);background:var(--color-brand-secondary-1000);box-shadow:0 8px 12px rgba(0,0,0,.48)}.header-account-menu-item{display:flex;align-items:center;gap:var(--scale-12);padding:var(--scale-12) var(--scale-16);border:none;border-radius:var(--radius-md);background:transparent;color:var(--color-text-primary);text-decoration:none;cursor:pointer;font-family:var(--font-family-base);font-size:var(--font-size-md);font-weight:var(--font-weight-regular);line-height:24px;text-align:left;transition:background .15s ease}.header-account-menu-item svg{flex-shrink:0;width:24px;height:24px}.header-account-menu-item:hover{background:var(--color-overlay-white-8)}.header-top-bar{position:-webkit-sticky;position:sticky;top:0;z-index:40;display:flex;align-items:center;gap:var(--scale-8);height:88px;padding:var(--scale-20) var(--scale-64);background:var(--color-brand-secondary-1000);box-shadow:4px 4px 14px 29px rgba(0,0,0,.08)}.header-top-bar-logo{display:inline-flex;flex-shrink:0}.header-top-bar-links{display:flex;flex:1 0;align-items:center;justify-content:center;gap:var(--scale-4)}.header-top-bar-link{padding:var(--scale-8) var(--scale-12);border-radius:var(--radius-sm);color:var(--color-text-primary);text-decoration:none;font-family:var(--font-family-base);font-size:var(--font-size-md);font-weight:var(--font-weight-regular);line-height:24px;transition:background .15s ease,color .15s ease}.header-top-bar-link:hover{background:var(--color-overlay-white-8);color:var(--color-brand-primary-500)}.header-top-bar-link--active{color:var(--color-brand-primary-500);font-weight:var(--font-weight-semibold)}.header-top-bar-right{flex-shrink:0;display:flex;align-items:center;gap:var(--scale-12)}.header-top-bar-toolbar-action{display:inline-flex;align-items:center}.header-top-bar-leading-slot{display:none;flex-shrink:0;align-items:center}.header-top-bar-join{display:flex;align-items:center;justify-content:center;height:48px;width:136px;padding:var(--scale-12) var(--scale-20);border:none;border-radius:var(--radius-pill);background:var(--color-brand-primary-500);color:var(--color-brand-secondary-1000);cursor:pointer;font-family:var(--font-family-base);font-size:var(--font-size-md);font-weight:var(--font-weight-semibold);line-height:24px;transition:background .15s ease}.header-top-bar-join:hover{background:var(--color-brand-primary-300)}.header-top-bar-menu-button{flex-shrink:0;width:24px;height:24px;background:transparent;color:var(--color-text-primary)}.header-top-bar-menu-button,.header-top-bar-mobile-avatar{display:none;align-items:center;justify-content:center;padding:0;border:none;cursor:pointer}.header-top-bar-mobile-avatar{width:34px;height:34px;border-radius:var(--radius-pill);background:var(--color-brand-secondary-200);color:var(--color-neutral-900);font-family:var(--font-family-base);font-size:var(--font-size-sm);font-weight:var(--font-weight-regular);line-height:20px;text-transform:uppercase}@media (max-width:767.98px){.header-top-bar{height:auto;padding:var(--scale-16)}.header-top-bar-links{display:none}.header-top-bar-right{margin-left:auto}.header-top-bar-join{height:48px;width:136px;padding:var(--scale-12) var(--scale-20)}.header-top-bar-menu-button{display:inline-flex}.header-top-bar-right .header-account-menu{display:none}.header-top-bar-mobile-avatar{display:flex}.header-top-bar-toolbar-action{display:none}.header-top-bar-leading-slot{display:inline-flex}}.header-bottom-tab-bar{display:none}@media (max-width:767.98px){.header-bottom-tab-bar{display:flex;align-items:center;justify-content:center;position:fixed;bottom:0;left:0;right:0;z-index:40;border-top:1px solid var(--color-brand-secondary-1000);background:var(--color-brand-secondary-980);padding:10px var(--scale-16) var(--scale-16);padding-bottom:calc(var(--scale-16) + env(safe-area-inset-bottom, 0px))}.header-bottom-tab{display:flex;flex:1 0;flex-direction:column;align-items:center;gap:var(--scale-4);color:var(--color-text-tertiary);text-decoration:none}.header-bottom-tab-icon{width:24px;height:24px}.header-bottom-tab-label{font-family:var(--font-family-base);font-size:var(--font-size-sm);font-weight:var(--font-weight-semibold);line-height:18px}.header-bottom-tab--active{color:var(--color-text-primary)}.header-bottom-tab--active .header-bottom-tab-label{font-weight:var(--font-weight-bold)}}.header-mobile-menu-backdrop{position:fixed;inset:0;z-index:9999;background:var(--color-overlay-white-40);display:flex;align-items:flex-end;opacity:0;transition:opacity .3s ease}.header-mobile-menu-backdrop--visible{opacity:1}.header-mobile-menu-sheet{display:flex;flex-direction:column;justify-content:space-between;width:100%;height:80vh;overflow-y:auto;overscroll-behavior:contain;padding:var(--scale-12) var(--scale-16) var(--scale-32);border-top-left-radius:28px;border-top-right-radius:28px;background:var(--color-brand-secondary-1000);transform:translateY(100%);transition:transform .3s ease}.header-mobile-menu-sheet--visible{transform:translateY(0)}.header-mobile-menu-top{display:flex;flex-direction:column;gap:var(--scale-12)}.header-mobile-menu-divider{height:1px;width:100%;background:var(--color-brand-secondary-940);border:none}.header-mobile-menu-links{display:flex;flex-direction:column;gap:var(--scale-12)}.header-mobile-menu-link{display:flex;align-items:center;gap:var(--scale-12);height:48px;padding:var(--scale-12) var(--scale-16);border-radius:var(--radius-md);color:var(--color-text-primary);text-decoration:none;font-family:var(--font-family-base);font-size:var(--font-size-md);font-weight:var(--font-weight-regular);line-height:24px}.header-mobile-menu-link-icon{width:24px;height:24px;flex-shrink:0}.header-mobile-menu-logout{width:100%;border:none;background:transparent;cursor:pointer;text-align:left}.header-mobile-menu-profile{display:flex;align-items:center;gap:var(--scale-12);padding:var(--scale-12) var(--scale-16)}.header-mobile-menu-profile-avatar{display:flex;align-items:center;justify-content:center;width:40px;height:40px;flex-shrink:0;border-radius:var(--radius-pill);background:var(--color-brand-secondary-200);color:var(--color-neutral-900);font-family:var(--font-family-base);font-size:var(--font-size-sm);font-weight:var(--font-weight-regular);text-transform:uppercase}.header-mobile-menu-profile-name{color:var(--color-text-primary)}.header-mobile-menu-join,.header-mobile-menu-profile-name{font-family:var(--font-family-base);font-size:var(--font-size-md);font-weight:var(--font-weight-semibold);line-height:24px}.header-mobile-menu-join{display:flex;align-items:center;justify-content:center;height:48px;width:100%;border:none;border-radius:var(--radius-pill);background:var(--color-brand-primary-500);color:var(--color-brand-secondary-1000);cursor:pointer;transition:background .15s ease}.header-mobile-menu-join:hover{background:var(--color-brand-primary-300)}.header-mobile-menu-become-instructor{align-self:flex-start;border:none;background:transparent;padding:0;color:var(--color-brand-primary-200);text-decoration:underline;cursor:pointer;font-family:var(--font-family-base);font-size:var(--font-size-md);font-weight:var(--font-weight-semibold);line-height:24px}.header-mobile-menu-footer{display:flex;flex-direction:column;gap:var(--scale-16);margin-top:var(--scale-24)}.header-mobile-menu-footer-caption{color:var(--color-text-secondary);font-family:var(--font-family-base);font-size:var(--font-size-xs);font-weight:var(--font-weight-regular);line-height:16px;margin:0}.header-mobile-menu-footer-links{display:flex;align-items:center;gap:var(--scale-8);flex-wrap:wrap}.header-mobile-menu-footer-links a{color:var(--color-text-subtitle);text-decoration:none;font-family:var(--font-family-base);font-size:var(--font-size-sm);font-weight:var(--font-weight-medium);line-height:20px}.header-mobile-menu-footer-links span{color:var(--color-brand-secondary-500)}.header-mobile-menu-footer-social{display:flex;align-items:center;gap:var(--scale-16)}.header-mobile-menu-footer-social a{display:flex;color:var(--color-text-subtitle)}@media (min-width:768px){.header-mobile-menu-backdrop{display:none}}.explore-courses-page{min-height:100vh;background:var(--color-brand-secondary-1000)}.explore-courses-main{display:flex;flex-direction:column;gap:var(--scale-20);padding:var(--scale-40) var(--scale-64)}.explore-courses-heading{margin:0;color:var(--color-text-primary);font-family:var(--font-family-base);font-size:var(--font-size-lg2);font-weight:var(--font-weight-semibold);line-height:28px}.explore-courses-grid{display:grid;grid-template-columns:repeat(2,1fr);grid-gap:var(--scale-20);gap:var(--scale-20)}.explore-courses-sentinel{height:1px;width:100%}@media (max-width:767.98px){.explore-courses-main{padding:var(--scale-24) var(--scale-16);padding-bottom:calc(var(--scale-24) + 76px)}.explore-courses-grid{grid-template-columns:1fr}}.data-load-error-card{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:var(--scale-12);width:100%;padding:var(--scale-32) var(--scale-24);border:1px solid var(--color-brand-secondary-940);border-radius:var(--radius-xl);background:var(--color-brand-secondary-980);text-align:center}.data-load-error-card-icon{width:28px;height:28px;color:var(--color-text-secondary)}.data-load-error-card-message{margin:0;color:var(--color-text-secondary);font-family:var(--font-family-base);font-size:var(--font-size-sm);font-weight:var(--font-weight-regular);line-height:20px}